INFO: task hung in hci_conn_del_sysfs
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syzbot
Aug 15, 2022, 10:35:27 AM8/15/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=109b292d080000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=c547ab7f5cfd16330f64
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c547ab...@syzkaller.appspotmail.com
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb48e71bf R14: 00007f8b1a8d3300 R15: 0000000000022000
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.0:8127 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D24368 8127 1 0x80000006
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
kobject_uevent_env+0x85d/0x1480 lib/kobject_uevent.c:584
device_del+0x69e/0xaf0 drivers/base/core.c:2356
hci_conn_del_sysfs+0xdc/0x180 net/bluetooth/hci_sysfs.c:78
hci_conn_cleanup+0x24b/0x550 net/bluetooth/hci_conn.c:128
hci_conn_del+0x2a0/0x780 net/bluetooth/hci_conn.c:611
hci_conn_hash_flush+0x19c/0x260 net/bluetooth/hci_conn.c:1513
hci_dev_do_close+0x6bc/0x1020 net/bluetooth/hci_core.c:1687
hci_unregister_dev+0x14f/0x460 net/bluetooth/hci_core.c:3288
vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xbf3/0x2be0 kernel/exit.c:870
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
khungtaskd cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline]
RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196
Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09
RSP: 0018:ffff8880a468fc30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: 0000000000000201 RCX: 1ffff110148d05aa
RDX: dffffc0000000000 RSI: ffff8880a4682d30 RDI: ffff8880a4682d04
RBP: ffffffff87dbdfc6 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a4682480
R13: dffffc0000000000 R14: 0000000000000251 R15: ffff8880a45b3000
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:8454 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1368115
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10963 free_pcp:294 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:0kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
<IRQ>
lowmem_reserve[]: 0 2693 2695 2695 2695
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA32 free:12972kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7616kB pagetables:3668kB bounce:0kB free_pcp:892kB local_pcp:140kB free_cma:0kB
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20032kB min:53876kB low:67344kB high:80812kB active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:284kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10848kB
Node 0 DMA32: 747*4kB (UME) 328*8kB (UME) 152*16kB (UME) 56*32kB (ME) 23*64kB (ME) 13*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12972kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 6*4kB (UM) 5*8kB (UME) 6*16kB (ME) 5*32kB (UM) 2*64kB (ME) 1*128kB (M) 2*256kB (UM) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20032kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
19623 total pagecache pages
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap = 0kB
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
bat_events cpuset=/ mems_allowed=0-1
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2464
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d dc c2 a3 08 00 0f 84 2f 01 00 00 e8 b9 c5 14 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 6e a1 4a 00 e9 cf
RSP: 0018:ffff8880b289fb50 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880b2894140 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dbfb7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8446efa0
R13: 000000000000002a R14: 0000000000000000 R15: ffffffff8a6dd090
vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405
printk+0xba/0xed kernel/printk/printk.c:2040
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x21e/0x2b4 arch/x86/kernel/dumpstack.c:258
sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337
check_hung_task kernel/hung_task.c:136 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline]
watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:8454 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1368140
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10963 free_pcp:289 free_cma:0
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:0kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:12972kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7616kB pagetables:3668kB bounce:0kB free_pcp:872kB local_pcp:140kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20032kB min:53876kB low:67344kB high:80812kB active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:284kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10848kB
Node 0 DMA32: 747*4kB (UME) 328*8kB (UME) 152*16kB (UME) 56*32kB (ME) 23*64kB (ME) 13*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12972kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 6*4kB (UM) 5*8kB (UME) 6*16kB (ME) 5*32kB (UM) 2*64kB (ME) 1*128kB (M) 2*256kB (UM) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20032kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
19623 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
warn_alloc: 58676 callbacks suppressed
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
bat_events cpuset=/ mems_allowed=0-1
CPU: 1 PID: 14507 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline]
RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196
Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09
RSP: 0018:ffff88804a06f960 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: 0000000000000200 RCX: 1ffff11009ff3925
RDX: dffffc0000000000 RSI: ffff88804ff9c908 RDI: ffff88804ff9c904
RBP: ffffffff86a43e12 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804ff9c080
R13: 000000000000a113 R14: 0000000000000000 R15: 0000000000000001
local_bh_enable include/linux/bottom_half.h:32 [inline]
get_next_corpse net/netfilter/nf_conntrack_core.c:1907 [inline]
nf_ct_iterate_cleanup+0x239/0x520 net/netfilter/nf_conntrack_core.c:1930
nf_conntrack_cleanup_net_list+0x7e/0x250 net/netfilter/nf_conntrack_core.c:2117
ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156
setup_net+0x3d1/0x720 net/core/net_namespace.c:333
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f797463a279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7972f0a118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f797474d390 RCX: 00007f797463a279
RDX: 00000000200000c0 RSI: 0000000020000a60 RDI: 0000000040007000
RBP: 00007f7974694189 R08: 0000000020000780 R09: 0000000020000780
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc9e1f3e1f R14: 00007f7972f0a300 R15: 0000000000022000
warn_alloc_show_mem: 10 callbacks suppressed
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:7398 isolated_file:0
unevictable:0 dirty:7 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1369277
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10970 free_pcp:220 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:29588kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:28kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Workqueue: bat_events batadv_tt_purge
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
<IRQ>
lowmem_reserve[]: 0 2693 2695 2695 2695
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA32 free:13252kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:29588kB unevictable:0kB writepending:28kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7552kB pagetables:3668kB bounce:0kB free_pcp:484kB local_pcp:236kB free_cma:0kB
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=109b292d080000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=c547ab7f5cfd16330f64
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c547ab...@syzkaller.appspotmail.com
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb48e71bf R14: 00007f8b1a8d3300 R15: 0000000000022000
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.0:8127 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D24368 8127 1 0x80000006
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
kobject_uevent_env+0x85d/0x1480 lib/kobject_uevent.c:584
device_del+0x69e/0xaf0 drivers/base/core.c:2356
hci_conn_del_sysfs+0xdc/0x180 net/bluetooth/hci_sysfs.c:78
hci_conn_cleanup+0x24b/0x550 net/bluetooth/hci_conn.c:128
hci_conn_del+0x2a0/0x780 net/bluetooth/hci_conn.c:611
hci_conn_hash_flush+0x19c/0x260 net/bluetooth/hci_conn.c:1513
hci_dev_do_close+0x6bc/0x1020 net/bluetooth/hci_core.c:1687
hci_unregister_dev+0x14f/0x460 net/bluetooth/hci_core.c:3288
vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xbf3/0x2be0 kernel/exit.c:870
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
khungtaskd cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline]
RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196
Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09
RSP: 0018:ffff8880a468fc30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: 0000000000000201 RCX: 1ffff110148d05aa
RDX: dffffc0000000000 RSI: ffff8880a4682d30 RDI: ffff8880a4682d04
RBP: ffffffff87dbdfc6 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a4682480
R13: dffffc0000000000 R14: 0000000000000251 R15: ffff8880a45b3000
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:8454 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1368115
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10963 free_pcp:294 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:0kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
<IRQ>
lowmem_reserve[]: 0 2693 2695 2695 2695
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA32 free:12972kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7616kB pagetables:3668kB bounce:0kB free_pcp:892kB local_pcp:140kB free_cma:0kB
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20032kB min:53876kB low:67344kB high:80812kB active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:284kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10848kB
Node 0 DMA32: 747*4kB (UME) 328*8kB (UME) 152*16kB (UME) 56*32kB (ME) 23*64kB (ME) 13*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12972kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 6*4kB (UM) 5*8kB (UME) 6*16kB (ME) 5*32kB (UM) 2*64kB (ME) 1*128kB (M) 2*256kB (UM) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20032kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
19623 total pagecache pages
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap = 0kB
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
bat_events cpuset=/ mems_allowed=0-1
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2464
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d dc c2 a3 08 00 0f 84 2f 01 00 00 e8 b9 c5 14 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 6e a1 4a 00 e9 cf
RSP: 0018:ffff8880b289fb50 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880b2894140 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dbfb7 RDI: 0000000000000293
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8446efa0
R13: 000000000000002a R14: 0000000000000000 R15: ffffffff8a6dd090
vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405
printk+0xba/0xed kernel/printk/printk.c:2040
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x21e/0x2b4 arch/x86/kernel/dumpstack.c:258
sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337
check_hung_task kernel/hung_task.c:136 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline]
watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:8454 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1368140
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10963 free_pcp:289 free_cma:0
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:0kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:12972kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:33812kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7616kB pagetables:3668kB bounce:0kB free_pcp:872kB local_pcp:140kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20032kB min:53876kB low:67344kB high:80812kB active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:284kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10848kB
Node 0 DMA32: 747*4kB (UME) 328*8kB (UME) 152*16kB (UME) 56*32kB (ME) 23*64kB (ME) 13*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12972kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 6*4kB (UM) 5*8kB (UME) 6*16kB (ME) 5*32kB (UM) 2*64kB (ME) 1*128kB (M) 2*256kB (UM) 3*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20032kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
19623 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
bat_events cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_tt_purge
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
</IRQ>
do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
do_softirq kernel/softirq.c:328 [inline]
__local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
spin_unlock_bh include/linux/spinlock.h:374 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2541 [inline]
batadv_tt_purge+0x386/0xa00 net/batman-adv/translation-table.c:3812
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
process_scheduled_works kernel/workqueue.c:2212 [inline]
rescuer_thread+0x5b4/0xce0 kernel/workqueue.c:2403
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
warn_alloc: 58676 callbacks suppressed
bat_events: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
bat_events cpuset=/ mems_allowed=0-1
CPU: 1 PID: 14507 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:99 [inline]
RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196
Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09
RSP: 0018:ffff88804a06f960 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: 0000000000000200 RCX: 1ffff11009ff3925
RDX: dffffc0000000000 RSI: ffff88804ff9c908 RDI: ffff88804ff9c904
RBP: ffffffff86a43e12 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804ff9c080
R13: 000000000000a113 R14: 0000000000000000 R15: 0000000000000001
local_bh_enable include/linux/bottom_half.h:32 [inline]
get_next_corpse net/netfilter/nf_conntrack_core.c:1907 [inline]
nf_ct_iterate_cleanup+0x239/0x520 net/netfilter/nf_conntrack_core.c:1930
nf_conntrack_cleanup_net_list+0x7e/0x250 net/netfilter/nf_conntrack_core.c:2117
ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156
setup_net+0x3d1/0x720 net/core/net_namespace.c:333
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f797463a279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7972f0a118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f797474d390 RCX: 00007f797463a279
RDX: 00000000200000c0 RSI: 0000000020000a60 RDI: 0000000040007000
RBP: 00007f7974694189 R08: 0000000020000780 R09: 0000000020000780
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc9e1f3e1f R14: 00007f7972f0a300 R15: 0000000000022000
warn_alloc_show_mem: 10 callbacks suppressed
CPU: 0 PID: 4607 Comm: bat_events Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:257388 inactive_anon:4788 isolated_anon:0
active_file:5943 inactive_file:7398 isolated_file:0
unevictable:0 dirty:7 writeback:0 unstable:0
slab_reclaimable:16133 slab_unreclaimable:1369277
mapped:14886 shmem:5237 pagetables:917 bounce:0
free:10970 free_pcp:220 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Node 0 active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:29588kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59544kB dirty:28kB writeback:0kB shmem:20948kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 948224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Workqueue: bat_events batadv_tt_purge
Node 1 active_anon:332kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 0 DMA free:10848kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
<IRQ>
lowmem_reserve[]: 0 2693 2695 2695 2695
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA32 free:13252kB min:35996kB low:44992kB high:53988kB active_anon:1029220kB inactive_anon:19152kB active_file:23768kB inactive_file:29588kB unevictable:0kB writepending:28kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7552kB pagetables:3668kB bounce:0kB free_pcp:484kB local_pcp:236kB free_cma:0kB
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
---
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syzbot
Dec 13, 2022, 9:35:30 AM12/13/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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