INFO: rcu detected stall in sys_bpf

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: db2d0b7c Linux 4.19.73
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1259e121600000
kernel config: https://syzkaller.appspot.com/x/.config?x=1515ac7d82731bf1
dashboard link: https://syzkaller.appspot.com/bug?extid=565d144466c12542557d
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+565d14...@syzkaller.appspotmail.com

aoe: skb alloc failure
1965979 pages RAM
0 pages HighMem/MovableOnly
338856 pages reserved
0 pages cma reserved
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
warn_alloc: 15 callbacks suppressed
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1):
/ mems_allowed=0-1
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
P4429
rcu: 0-....: (968 ticks this GP) idle=33e/1/0x4000000000000000
softirq=253900/253902 fqs=13
rcu:
(detected by 1, t=10527 jiffies, g=343077, q=5)
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:94
Code: 41 bc f4 ff ff ff e8 e3 66 ea ff 48 c7 05 34 16 cd 08 00 00 00 00 e9
ca e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48
8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 18 8b
RSP: 0000:ffff8880aa236cc0 EFLAGS: 00000086
RAX: ffff8880aa226240 RBX: ffff8880aa236dcc RCX: ffffffff86f08769
RDX: 0000000000000100 RSI: ffffffff86f088ae RDI: 0000000000000007
RBP: ffff8880aa236ce8 R08: ffff8880aa226240 R09: fffffbfff1467e4d
R10: fffffbfff1467e4c R11: ffffffff8a33f266 R12: 0000000000000007
R13: 000000000000002d R14: 0000000000000007 R15: ffffffff8a33f267
FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff94f4ab1d3 CR3: 000000008a735000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
put_dec+0x3b/0xd0 lib/vsprintf.c:258
number+0xb7a/0xc70 lib/vsprintf.c:467
vsnprintf+0x26b/0x19a0 lib/vsprintf.c:2359
sprintf+0xc0/0x100 lib/vsprintf.c:2495
print_time kernel/printk/printk.c:1229 [inline]
print_prefix+0x386/0x3f0 kernel/printk/printk.c:1252
msg_print_text+0xc9/0x1c0 kernel/printk/printk.c:1279
console_unlock+0x392/0x10b0 kernel/printk/printk.c:2384
vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927
vprintk_default+0x28/0x30 kernel/printk/printk.c:1968
vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398
printk+0xba/0xed kernel/printk/printk.c:2001
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
show_stack+0x39/0x3b arch/x86/kernel/dumpstack.c:293
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
syz-executor.5 R
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
running task
24216 4429 7464 0x80000006
Call Trace:
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x866/0x1dc0 kernel/sched/core.c:3474
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
preempt_schedule_notrace kernel/sched/core.c:3672 [inline]
preempt_schedule_notrace+0xa0/0x130 kernel/sched/core.c:3643
___preempt_schedule_notrace+0x16/0x2f
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
rcu_is_watching+0x23/0x30 kernel/rcu/tree.c:1026
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
rcu_read_lock include/linux/rcupdate.h:628 [inline]
mem_cgroup_iter+0x47a/0xac0 mm/memcontrol.c:940
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
shrink_node+0x20d/0x1450 mm/vmscan.c:2702
shrink_zones mm/vmscan.c:2966 [inline]
do_try_to_free_pages+0x3cb/0x11c0 mm/vmscan.c:3024
try_to_free_pages+0x2ee/0x7f0 mm/vmscan.c:3239
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__perform_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3811 [inline]
__alloc_pages_slowpath+0x990/0x2870 mm/page_alloc.c:4201
__do_softirq+0x25c/0x921 kernel/softirq.c:292
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193
kthread+0x354/0x420 kernel/kthread.c:246
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc mm/filemap.c:968 [inline]
__page_cache_alloc+0x2bd/0x450 mm/filemap.c:953
pagecache_get_page+0x231/0xa40 mm/filemap.c:1599
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
find_or_create_page include/linux/pagemap.h:322 [inline]
ext4_mb_load_buddy_gfp+0x737/0x13e0 fs/ext4/mballoc.c:1194
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
ext4_free_blocks+0x9fc/0x23c0 fs/ext4/mballoc.c:4856
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
ext4_remove_blocks fs/ext4/extents.c:2578 [inline]
ext4_ext_rm_leaf fs/ext4/extents.c:2734 [inline]
ext4_ext_remove_space+0x2575/0x40c0 fs/ext4/extents.c:2967
Node 0
DMA free:10292kB min:220kB low:272kB high:324kB 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
2555 2557
ext4_ext_truncate+0x1b5/0x200 fs/ext4/extents.c:4661
2557
ext4_truncate+0xdf9/0x13d0 fs/ext4/inode.c:4514
Node 0
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:480kB free_cma:0kB
lowmem_reserve[]:
0
0 2
2
ext4_evict_inode+0xa2f/0x1890 fs/ext4/inode.c:289
Node 0
Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0
0
evict+0x306/0x680 fs/inode.c:558
0
0
iput_final fs/inode.c:1547 [inline]
iput fs/inode.c:1573 [inline]
iput+0x4fe/0x880 fs/inode.c:1559
dentry_unlink_inode+0x28f/0x350 fs/dcache.c:374
Node 1
__dentry_kill+0x38b/0x600 fs/dcache.c:566
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:24kB free_cma:0kB
dentry_kill+0xd3/0x570 fs/dcache.c:685
lowmem_reserve[]:
0
dput+0x58a/0x670 fs/dcache.c:846
0
path_put+0x31/0x70 fs/namei.c:484
0
free_fs_struct+0x25/0x70 fs/fs_struct.c:90
0
exit_fs+0xf0/0x130 fs/fs_struct.c:107
Node 0
do_exit+0x963/0x2fa0 kernel/exit.c:872
DMA: 1*4kB
(E)
2*8kB
(UE)
2*16kB
(UE)
do_group_exit+0x135/0x370 kernel/exit.c:979
2*32kB
get_signal+0x3ec/0x1fc0 kernel/signal.c:2574
(UE)
1*64kB
do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821
(E)
1*128kB
(E)
1*256kB (E)
3*512kB
(UE)
4*1024kB (UE)
2*2048kB
(ME)
0*4096kB
= 10292kB
exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163
Node 0
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
DMA32: 1456*4kB
entry_SYSCALL_64_after_hwframe+0x49/0xbe
(ME)
RIP: 0033:0x4598e9
679*8kB
Code: Bad RIP value.
(M)
RSP: 002b:00007f8df91bdcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
0*16kB
RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 00000000004598e9
2*32kB (U)
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
0*64kB 1*128kB
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
(U) 0*256kB
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
0*512kB
R13: 00007ffe873e2b7f R14: 00007f8df91be9c0 R15: 000000000075bf2c
0*1024kB
syz-executor.5 R
1*2048kB (M)
running task
0*4096kB = 13496kB
24216 4429 7464 0x80000006
Node 0
Call Trace:
Normal:
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x866/0x1dc0 kernel/sched/core.c:3474
0*4kB
1*8kB (U)
0*16kB 0*32kB
preempt_schedule_notrace kernel/sched/core.c:3672 [inline]
preempt_schedule_notrace+0xa0/0x130 kernel/sched/core.c:3643
0*64kB
___preempt_schedule_notrace+0x16/0x2f
0*128kB 0*256kB
0*512kB 0*1024kB
rcu_is_watching+0x23/0x30 kernel/rcu/tree.c:1026
0*2048kB
rcu_read_lock include/linux/rcupdate.h:628 [inline]
mem_cgroup_iter+0x47a/0xac0 mm/memcontrol.c:940
0*4096kB = 8kB
Node 1
Normal:
82*4kB
shrink_node+0x20d/0x1450 mm/vmscan.c:2702
(ME)
33*8kB
(UM)
27*16kB (M)
shrink_zones mm/vmscan.c:2966 [inline]
do_try_to_free_pages+0x3cb/0x11c0 mm/vmscan.c:3024
23*32kB (UME)
19*64kB
try_to_free_pages+0x2ee/0x7f0 mm/vmscan.c:3239
(UME)
18*128kB
__perform_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3811 [inline]
__alloc_pages_slowpath+0x990/0x2870 mm/page_alloc.c:4201
(UM)
9*256kB
(M)
12*512kB
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
(ME)
6*1024kB
(UM) 0*2048kB
0*4096kB = 19872kB
alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc mm/filemap.c:968 [inline]
__page_cache_alloc+0x2bd/0x450 mm/filemap.c:953
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
pagecache_get_page+0x231/0xa40 mm/filemap.c:1599
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
3835 total pagecache pages
find_or_create_page include/linux/pagemap.h:322 [inline]
ext4_mb_load_buddy_gfp+0x737/0x13e0 fs/ext4/mballoc.c:1194
0 pages in swap cache
ext4_free_blocks+0x9fc/0x23c0 fs/ext4/mballoc.c:4856
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
ext4_remove_blocks fs/ext4/extents.c:2578 [inline]
ext4_ext_rm_leaf fs/ext4/extents.c:2734 [inline]
ext4_ext_remove_space+0x2575/0x40c0 fs/ext4/extents.c:2967
1965979 pages RAM
0 pages HighMem/MovableOnly
338856 pages reserved
0 pages cma reserved
aoe: skb alloc failure
ext4_ext_truncate+0x1b5/0x200 fs/ext4/extents.c:4661
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ext4_truncate+0xdf9/0x13d0 fs/ext4/inode.c:4514
ksoftirqd/0 cpuset=
/
mems_allowed=0-1
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
ext4_evict_inode+0xa2f/0x1890 fs/ext4/inode.c:289
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
evict+0x306/0x680 fs/inode.c:558
iput_final fs/inode.c:1547 [inline]
iput fs/inode.c:1573 [inline]
iput+0x4fe/0x880 fs/inode.c:1559
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
dentry_unlink_inode+0x28f/0x350 fs/dcache.c:374
__dentry_kill+0x38b/0x600 fs/dcache.c:566
dentry_kill+0xd3/0x570 fs/dcache.c:685
dput+0x58a/0x670 fs/dcache.c:846
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
path_put+0x31/0x70 fs/namei.c:484
free_fs_struct+0x25/0x70 fs/fs_struct.c:90
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
exit_fs+0xf0/0x130 fs/fs_struct.c:107
do_exit+0x963/0x2fa0 kernel/exit.c:872
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
do_group_exit+0x135/0x370 kernel/exit.c:979
get_signal+0x3ec/0x1fc0 kernel/signal.c:2574
do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
RIP: 0033:0x4598e9
Code: Bad RIP value.
RSP: 002b:00007f8df91bdcf8 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 00000000004598e9
__do_softirq+0x25c/0x921 kernel/softirq.c:292
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
R13: 00007ffe873e2b7f R14: 00007f8df91be9c0 R15: 000000000075bf2c
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
rcu: rcu_preempt kthread starved for 616 jiffies! g343077 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
kthread+0x354/0x420 kernel/kthread.c:246
29008 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x866/0x1dc0 kernel/sched/core.c:3474
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
aoe: skb alloc failure
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=
schedule+0x92/0x1c0 kernel/sched/core.c:3518
/
schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804
mems_allowed=0-1
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
syz-executor.2 cpuset=
syz2
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
mems_allowed=0-1
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
Mem-Info:
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
DMA free:10292kB min:220kB low:272kB high:324kB 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
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
lowmem_reserve[]:
0 2555 2557
2557
Node 0
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:480kB free_cma:0kB
lowmem_reserve[]:
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
0
0
2
2
Node 0
Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
lowmem_reserve[]: 0
0 0
0
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
Node 1
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:24kB free_cma:0kB
lowmem_reserve[]: 0
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 0
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
0
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
Node 0
DMA:
1*4kB
__build_skb+0x3e/0x310 net/core/skbuff.c:281
(E)
__netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
2*8kB
netdev_alloc_skb include/linux/skbuff.h:2645 [inline]
dev_alloc_skb include/linux/skbuff.h:2658 [inline]
send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
(UE)
2*16kB
(UE)
hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
2*32kB
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(UE) 1*64kB
(E) 1*128kB
(E) 1*256kB
(E)
3*512kB (UE)
4*1024kB
(UE)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
2*2048kB
(ME)
0*4096kB = 10292kB
__do_softirq+0x25c/0x921 kernel/softirq.c:292
Node 0
DMA32:
1456*4kB
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
(ME)
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
679*8kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
(M)
</IRQ>
0*16kB 2*32kB
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
(U)
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
0*64kB 1*128kB
RSP: 0000:ffff888070957920 EFLAGS: 00000282
(U) 0*256kB
ORIG_RAX: ffffffffffffff13
0*512kB
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
0*1024kB 1*2048kB
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
(M)
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
0*4096kB
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
= 13496kB
Node 0
Normal:
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
0*4kB
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
1*8kB (U)
bpf_prog_bebbfe2050753572+0x341/0x1000
0*16kB
0*32kB
0*64kB 0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB = 8kB
Node 1
Normal:
82*4kB
(ME)
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
33*8kB (UM)
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
27*16kB
(M)
23*32kB
(UME)
19*64kB
(UME)
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
18*128kB
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
(UM)
9*256kB
(M) 12*512kB
(ME)
6*1024kB
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
(UM)
entry_SYSCALL_64_after_hwframe+0x49/0xbe
0*2048kB 0*4096kB
RIP: 0033:0x4598e9
= 19872kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
Code: Bad RIP value.
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
ORIG_RAX: 0000000000000141
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
3835 total pagecache pages
RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a
0 pages in swap cache
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb63b17a6d4
Total swap = 0kB
1965979 pages RAM
R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff
0 pages HighMem/MovableOnly
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
338856 pages reserved
syz-executor.2 cpuset=
0 pages cma reserved
aoe: skb alloc failure
syz2 mems_allowed=0-1
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
Call Trace:
ksoftirqd/0 cpuset=
<IRQ>
/
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
mems_allowed=0-1
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
__build_skb+0x3e/0x310 net/core/skbuff.c:281
__netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
netdev_alloc_skb include/linux/skbuff.h:2645 [inline]
dev_alloc_skb include/linux/skbuff.h:2658 [inline]
send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
RSP: 0000:ffff888070957920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
bpf_prog_bebbfe2050753572+0x341/0x1000
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
Code: Bad RIP value.
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb63b17a6d4
R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
Mem-Info:
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
Node 0
DMA free:10292kB min:220kB low:272kB high:324kB 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
2555 2557
2557
Node 0
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
0 0
2
2
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
Node 0
Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
lowmem_reserve[]:
0 0
0
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Node 1
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:248kB free_cma:0kB
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
lowmem_reserve[]:
0 0
0 0
Node 0
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
DMA: 1*4kB
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
(E)
2*8kB
(UE)
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
2*16kB
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(UE)
2*32kB
(UE)
1*64kB (E)
1*128kB (E)
1*256kB
(E)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
3*512kB (UE)
4*1024kB
(UE)
2*2048kB (ME)
0*4096kB
__do_softirq+0x25c/0x921 kernel/softirq.c:292
= 10292kB
Node 0
DMA32:
1456*4kB
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
(ME)
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
679*8kB (M)
0*16kB
2*32kB
(U) 0*64kB
kthread+0x354/0x420 kernel/kthread.c:246
1*128kB
(U)
0*256kB
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
0*512kB 0*1024kB
aoe: skb alloc failure
1*2048kB (M) 0*4096kB = 13496kB
Node 0 Normal: 0*4kB
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
1*8kB
ksoftirqd/0 cpuset=
(U) 0*16kB
/
0*32kB 0*64kB
mems_allowed=0-1
0*128kB
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
0*256kB 0*512kB
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
0*1024kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
0*2048kB
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
0*4096kB = 8kB
Node 1
Normal:
82*4kB
(ME)
33*8kB
(UM)
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
27*16kB (M)
23*32kB
(UME) 19*64kB
(UME)
18*128kB
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
(UM)
9*256kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
(M)
12*512kB (ME)
6*1024kB (UM)
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0*2048kB 0*4096kB
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
= 19872kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
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
3835 total pagecache pages
0 pages in swap cache
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
Swap cache stats: add 0, delete 0, find 0/0
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338856 pages reserved
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
0 pages cma reserved
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=
syz2
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
mems_allowed=0-1
__do_softirq+0x25c/0x921 kernel/softirq.c:292
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
Mem-Info:
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
DMA free:10292kB min:220kB low:272kB high:324kB 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
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
lowmem_reserve[]:
0 2555
2557
2557
Node 0
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:480kB free_cma:0kB
lowmem_reserve[]:
0 0
2
2
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
Node 0
Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
lowmem_reserve[]: 0
0 0
0
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
Node 1
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:24kB free_cma:0kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
lowmem_reserve[]:
0
0 0
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0
Node 0
DMA:
1*4kB
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x2af/0xe40 net/bridge/br_mdb.c:377
(E)
2*8kB (UE)
2*16kB
br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410
(UE)
2*32kB
(UE)
1*64kB (E)
1*128kB
br_multicast_group_expired+0x141/0x410 net/bridge/br_multicast.c:253
(E)
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
1*256kB
(E)
3*512kB
(UE)
4*1024kB
(UE)
2*2048kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
(ME)
0*4096kB
= 10292kB
__do_softirq+0x25c/0x921 kernel/softirq.c:292
Node 0
DMA32: 1456*4kB
(ME)
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
679*8kB
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
(M)
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
0*16kB 2*32kB
</IRQ>
(U)
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
0*64kB
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
1*128kB
RSP: 0000:ffff888070957920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
(U)
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
0*256kB
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
0*512kB
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
0*1024kB 1*2048kB
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
(M) 0*4096kB
= 13496kB
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
Node 0
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
Normal: 0*4kB
bpf_prog_bebbfe2050753572+0x341/0x1000
1*8kB
(U)
0*16kB
0*32kB
0*64kB
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB = 8kB
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
Node 1
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
Normal:
82*4kB
(ME)
33*8kB
(UM)
27*16kB
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
(M)
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
23*32kB (UME)
19*64kB (UME)
18*128kB (UM)
9*256kB
(M) 12*512kB
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
(ME) 6*1024kB
entry_SYSCALL_64_after_hwframe+0x49/0xbe
(UM)
RIP: 0033:0x4598e9
0*2048kB
Code: Bad RIP value.
0*4096kB = 19872kB
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
ORIG_RAX: 0000000000000141
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
3835 total pagecache pages
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
0 pages in swap cache
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb63b17a6d4
R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff
Swap cache stats: add 0, delete 0, find 0/0
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
Free swap = 0kB
syz-executor.2 cpuset=
Total swap = 0kB
1965979 pages RAM
syz2
0 pages HighMem/MovableOnly
338856 pages reserved
mems_allowed=0-1
0 pages cma reserved
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
ksoftirqd/0 cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
/
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
mems_allowed=0-1
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
__br_mdb_notify+0x2af/0xe40 net/bridge/br_mdb.c:377
br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410
br_multicast_group_expired+0x141/0x410 net/bridge/br_multicast.c:253
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
RSP: 0000:ffff888070957920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
bpf_prog_bebbfe2050753572+0x341/0x1000
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
Code: Bad RIP value.
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb63b17a6d4
R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Call Trace:
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
Node 0
DMA free:10292kB min:220kB low:272kB high:324kB 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
2555
2557 2557
Node 0
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
0
2 2
Node 0
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
0
0
0
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Node 1
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:248kB free_cma:0kB
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
lowmem_reserve[]: 0
0
0
0
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
Node 0
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
DMA:
1*4kB
(E) 2*8kB
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
(UE) 2*16kB
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(UE) 2*32kB
(UE)
1*64kB (E)
1*128kB
(E) 1*256kB
(E)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
3*512kB
(UE)
4*1024kB
(UE)
__do_softirq+0x25c/0x921 kernel/softirq.c:292
2*2048kB
(ME)
0*4096kB
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
= 10292kB
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
Node 0
DMA32:
1456*4kB
(ME)
kthread+0x354/0x420 kernel/kthread.c:246
679*8kB
(M)
0*16kB 2*32kB
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
(U)
aoe: skb alloc failure
0*64kB 1*128kB (U) 0*256kB 0*512kB 0*1024kB 1*2048kB
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
(M) 0*4096kB
ksoftirqd/0 cpuset=
= 13496kB
/
Node 0
mems_allowed=0-1
Normal:
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.73 #0
0*4kB
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
1*8kB
Call Trace:
(U) 0*16kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
0*32kB 0*64kB
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
0*128kB
0*256kB
0*512kB 0*1024kB
0*2048kB
0*4096kB = 8kB
Node 1
Normal:
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
82*4kB
(ME)
33*8kB (UM)
27*16kB
(M) 23*32kB
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
(UME)
19*64kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
(UME) 18*128kB
(UM) 9*256kB
(M)
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
12*512kB (ME)
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
6*1024kB (UM)
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
0*2048kB
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0*4096kB = 19872kB
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
alloc_skb include/linux/skbuff.h:995 [inline]
new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
3835 total pagecache pages
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
0 pages HighMem/MovableOnly
338856 pages reserved
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
0 pages cma reserved
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=
syz2
mems_allowed=0-1
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
run_ksoftirqd kernel/softirq.c:653 [inline]
run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645
smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164
kthread+0x354/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
Mem-Info:
active_anon:264935 inactive_anon:3753 isolated_anon:0
active_file:15 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:11605 slab_unreclaimable:1215477
mapped:52226 shmem:3806 pagetables:13198 bounce:0
free:10901 free_pcp:250 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:208904kB dirty:0kB writeback:0kB shmem:15224kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 1 active_anon:16852kB inactive_anon:0kB active_file:12kB
inactive_file:12kB 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? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
DMA free:10292kB min:220kB low:272kB high:324kB 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
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
lowmem_reserve[]:
0
2555 2557
2557
Node 0
DMA32 free:13432kB min:36248kB low:45308kB high:54368kB
active_anon:1042888kB inactive_anon:15012kB active_file:48kB
inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB
managed:2619972kB mlocked:0kB kernel_stack:18560kB pagetables:40800kB
bounce:0kB free_pcp:728kB local_pcp:480kB free_cma:0kB
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
lowmem_reserve[]: 0
0
2
2
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
Node 0 Normal free:8kB min:32kB low:40kB high:48kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB
writepending:0kB present:786432kB managed:2428kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
lowmem_reserve[]: 0
0
0
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Node 1
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Normal free:19872kB min:53608kB low:67008kB high:80408kB
active_anon:16852kB inactive_anon:0kB active_file:12kB inactive_file:12kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB
mlocked:0kB kernel_stack:3712kB pagetables:11992kB bounce:0kB
free_pcp:272kB local_pcp:24kB free_cma:0kB
lowmem_reserve[]: 0
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0
0 0
Node 0 DMA:
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
1*4kB (E)
ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669
2*8kB (UE)
addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3821
2*16kB (UE)
2*32kB
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
(UE) 1*64kB
(E) 1*128kB
(E)
1*256kB
(E)
3*512kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
(UE)
4*1024kB
(UE)
__do_softirq+0x25c/0x921 kernel/softirq.c:292
2*2048kB
(ME)
0*4096kB
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
= 10292kB
Node 0
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
DMA32:
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
1456*4kB
</IRQ>
(ME) 679*8kB
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
(M) 0*16kB
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
2*32kB (U)
RSP: 0000:ffff888070957920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
0*64kB
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
1*128kB
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
(U)
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
0*256kB 0*512kB
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
0*1024kB 1*2048kB
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
(M)
0*4096kB = 13496kB
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
Node 0
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
Normal:
bpf_prog_bebbfe2050753572+0x341/0x1000
0*4kB
1*8kB
(U)
0*16kB
0*32kB 0*64kB
0*128kB
0*256kB
0*512kB 0*1024kB
0*2048kB 0*4096kB
= 8kB
Node 1
Normal:
82*4kB
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
(ME)
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
33*8kB
(UM)
27*16kB
(M)
23*32kB
(UME)
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
19*64kB
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
(UME)
18*128kB
(UM)
9*256kB
(M) 12*512kB
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
(ME)
entry_SYSCALL_64_after_hwframe+0x49/0xbe
6*1024kB (UM)
RIP: 0033:0x4598e9
0*2048kB
Code: Bad RIP value.
0*4096kB
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246
= 19872kB
ORIG_RAX: 0000000000000141
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb63b17a6d4
R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
3835 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
338856 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=
ksoftirqd/0 cpuset=
syz2 mems_allowed=0-1
/ mems_allowed=0-1
CPU: 1 PID: 32168 Comm: syz-executor.2 Not tainted 4.19.73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447
__alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307
__alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
__alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3821
call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers kernel/time/timer.c:1682 [inline]
__run_timers kernel/time/timer.c:1650 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789
[inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48
83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7
RSP: 0000:ffff888070957920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888067d6a8c0 RDI: 0000000000000282
RBP: ffff888070957988 R08: ffff888067d6a040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880aa347ac0 R14: 0000000000480020 R15: ffff8880aa347ac0
skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
____bpf_clone_redirect net/core/filter.c:2076 [inline]
bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
bpf_prog_bebbfe2050753572+0x341/0x1000
bpf_test_run_one net/bpf/test_run.c:22 [inline]
bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785
__do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
__se_sys_bpf kernel/bpf/syscall.c:2367 [inline]
__x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
Code: Bad RIP value.
RSP: 002b:00007fb63b179c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000028 RSI: 000

---
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Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.