INFO: rcu detected stall in proc_reg_read
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syzbot
Oct 2, 2018, 2:34:05 PM10/2/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 4288ea006c73 bpf: harden flags check in cgroup_storage_upd..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=12dc77fa400000
kernel config: https://syzkaller.appspot.com/x/.config?x=a8212f992609a887
dashboard link: https://syzkaller.appspot.com/bug?extid=bbac79b329bee44893af
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org gu...@fb.com han...@cmpxchg.org
kirill....@linux.intel.com linux-...@vger.kernel.org
linu...@kvack.org mho...@kernel.org penguin...@i-love.sakura.ne.jp
rien...@google.com yan...@alibaba-inc.com]
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+bbac79...@syzkaller.appspotmail.com
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
rcu: 1-...!: (1 GPs behind) idle=e62/1/0x4000000000000004
softirq=9539/9540 fqs=0
<IRQ>
rcu: (t=10680 jiffies g=11233 q=1)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: rcu_preempt kthread starved for 10680 jiffies! g11233 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22872 10 2 0x80000000
Call Trace:
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
NMI backtrace for cpu 1
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
2819
6323
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
6323
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
Node 0
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
lowmem_reserve[]: 0
0
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
3503
3503
Node 0 Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
0
0
Node 0 DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB 1*1024kB
(U) 1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
2*16kB
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(M)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
2*32kB
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
(M)
4*64kB
(M)
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
3*2048kB
(UM)
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
3*4096kB
(M)
= 25084kB
Node 0
Normal:
1111*4kB
(MEH)
318*8kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
(MEH)
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
146*16kB
Code: 40 7e 0f 85 32 ff ff ff e8 d5 e0 3e ff e9 28 ff ff ff e8 2c 24 c3 ff
48 83 3d 0c 55 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00
e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
(MEH)
RSP: 0018:ffff8801daf07450 EFLAGS: 00000286
76*32kB
ORIG_RAX: ffffffffffffff13
(UMEH)
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184c1ba
24*64kB
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
(UMH)
RBP: ffff8801daf074c0 R08: ffff8801d8792140 R09: fffffbfff12811f4
R10: ffff8801daf06098 R11: ffffffff89408fa3 R12: ffff8801d9be7680
4*128kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
(UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*4096kB
= 13804kB
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
153 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Free swap = 0kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
Total swap = 0kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
1965979 pages RAM
0 pages HighMem/MovableOnly
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
mems_allowed=0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2 cpuset=
syz2
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
Mem-Info:
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Call Trace:
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB 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[]:
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
0
2819
6323
6323
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U) 2*64kB
(U)
1*128kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
1*2048kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*4096kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
= 15908kB
Node 0
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
DMA32:
5*4kB
(UM)
1*8kB
(U)
2*16kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
2*32kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
4*64kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(UM)
3*4096kB
(M)
= 25084kB
Node 0
Normal:
1111*4kB
(MEH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
318*8kB
(MEH)
146*16kB (MEH)
76*32kB
(UMEH)
24*64kB
(UMH)
4*128kB
(UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13804kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
153 total pagecache pages
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
rsyslogd cpuset=/
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
mems_allowed=0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
Call Trace:
syz-executor2 cpuset=
<IRQ>
syz2 mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB (M)
= 15908kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*16kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*32kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*64kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UM) 3*2048kB (UM)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*4096kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
(M)
= 25084kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
1111*4kB
(MEH)
318*8kB
(MEH)
146*16kB
(MEH)
76*32kB
(UMEH)
24*64kB
(UMH)
4*128kB (UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB
= 13804kB
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
153 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2 cpuset=
syz2
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0 Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
Node 0
DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
---
This bug 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 bug report. See:
https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with
syzbot.
syzbot found the following crash on:
HEAD commit: 4288ea006c73 bpf: harden flags check in cgroup_storage_upd..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=12dc77fa400000
kernel config: https://syzkaller.appspot.com/x/.config?x=a8212f992609a887
dashboard link: https://syzkaller.appspot.com/bug?extid=bbac79b329bee44893af
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org gu...@fb.com han...@cmpxchg.org
kirill....@linux.intel.com linux-...@vger.kernel.org
linu...@kvack.org mho...@kernel.org penguin...@i-love.sakura.ne.jp
rien...@google.com yan...@alibaba-inc.com]
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+bbac79...@syzkaller.appspotmail.com
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
rcu: 1-...!: (1 GPs behind) idle=e62/1/0x4000000000000004
softirq=9539/9540 fqs=0
<IRQ>
rcu: (t=10680 jiffies g=11233 q=1)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: rcu_preempt kthread starved for 10680 jiffies! g11233 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22872 10 2 0x80000000
Call Trace:
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
NMI backtrace for cpu 1
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
2819
6323
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
6323
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
Node 0
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
lowmem_reserve[]: 0
0
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
3503
3503
Node 0 Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
0
0
Node 0 DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB 1*1024kB
(U) 1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
2*16kB
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(M)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
2*32kB
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
(M)
4*64kB
(M)
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
3*2048kB
(UM)
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
3*4096kB
(M)
= 25084kB
Node 0
Normal:
1111*4kB
(MEH)
318*8kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
(MEH)
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
146*16kB
Code: 40 7e 0f 85 32 ff ff ff e8 d5 e0 3e ff e9 28 ff ff ff e8 2c 24 c3 ff
48 83 3d 0c 55 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00
e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
(MEH)
RSP: 0018:ffff8801daf07450 EFLAGS: 00000286
76*32kB
ORIG_RAX: ffffffffffffff13
(UMEH)
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184c1ba
24*64kB
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
(UMH)
RBP: ffff8801daf074c0 R08: ffff8801d8792140 R09: fffffbfff12811f4
R10: ffff8801daf06098 R11: ffffffff89408fa3 R12: ffff8801d9be7680
4*128kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
(UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*4096kB
= 13804kB
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
153 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
Free swap = 0kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
Total swap = 0kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
1965979 pages RAM
0 pages HighMem/MovableOnly
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
mems_allowed=0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2 cpuset=
syz2
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
Mem-Info:
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Call Trace:
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB 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[]:
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
0
2819
6323
6323
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U) 2*64kB
(U)
1*128kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
1*2048kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*4096kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
= 15908kB
Node 0
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
DMA32:
5*4kB
(UM)
1*8kB
(U)
2*16kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
2*32kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
4*64kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(UM)
3*4096kB
(M)
= 25084kB
Node 0
Normal:
1111*4kB
(MEH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
318*8kB
(MEH)
146*16kB (MEH)
76*32kB
(UMEH)
24*64kB
(UMH)
4*128kB
(UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13804kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
153 total pagecache pages
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
rsyslogd cpuset=/
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
mems_allowed=0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
Call Trace:
syz-executor2 cpuset=
<IRQ>
syz2 mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M)
3*4096kB (M)
= 15908kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
2*16kB
(M)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
2*32kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*64kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*128kB
(M)
3*256kB
(M)
4*512kB
(UM)
3*1024kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(UM) 3*2048kB (UM)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
3*4096kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
(M)
= 25084kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
1111*4kB
(MEH)
318*8kB
(MEH)
146*16kB
(MEH)
76*32kB
(UMEH)
24*64kB
(UMH)
4*128kB (UMH)
0*256kB
0*512kB
0*1024kB
0*2048kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB
= 13804kB
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
153 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
/
mems_allowed=0
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48
83 3d 6d 35 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00
e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 9e
RSP: 0018:ffff8801d8f3f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000648f000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
RBP: ffff8801d8f3f7b0 R08: ffff8801d8792140 R09: fffffbfff12720b0
R10: ffff8801d8f3e390 R11: ffffffff89390583 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3aea14b1f6cd0d8b+0x1f9/0x1000
CPU: 0 PID: 5713 Comm: rsyslogd Not tainted 4.19.0-rc5+ #61
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
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+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor2 cpuset=
syz2
mems_allowed=0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:console_unlock+0xfdf/0x1160 kernel/printk/printk.c:2409
Code: c1 e8 03 42 80 3c 20 00 0f 85 d1 00 00 00 48 83 3d 5d 74 cd 07 00 0f
84 bc 00 00 00 e8 ca 37 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00
e9 cc f9 ff ff 48 8b bd c8 fe ff ff e8 1b 97 5d 00
RSP: 0000:ffff8801c049e450 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bfcd2580 RBX: 0000000000000200 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff81647db6 RDI: 0000000000000293
RBP: ffff8801c049e5b8 R08: ffff8801bfcd2580 R09: fffffbfff12720b0
R10: fffffbfff12720b0 R11: ffffffff89390583 R12: dffffc0000000000
R13: ffffffff8487f1f0 R14: dffffc0000000000 R15: ffffffff899424f0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
dump_unreclaimable_slab.cold.22+0xd8/0xe5 mm/slab_common.c:1371
dump_header+0x7cc/0xf72 mm/oom_kill.c:447
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc_trace+0x214/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:513 [inline]
syslog_print kernel/printk/printk.c:1297 [inline]
do_syslog+0xb9b/0x1690 kernel/printk/printk.c:1465
kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40
proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231
__vfs_read+0x117/0x9b0 fs/read_write.c:416
vfs_read+0x17f/0x3c0 fs/read_write.c:452
ksys_read+0x101/0x260 fs/read_write.c:578
__do_sys_read fs/read_write.c:588 [inline]
__se_sys_read fs/read_write.c:586 [inline]
__x64_sys_read+0x73/0xb0 fs/read_write.c:586
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f01e76771fd
Code: Bad RIP value.
RSP: 002b:00007f01e4c16e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000d59ce0 RCX: 00007f01e76771fd
RDX: 0000000000000fff RSI: 00007f01e644b5a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000d45260 R09: 0000000000000000
R10: 6b205d3936383139 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f01e4c179c0 R14: 00007f01e7cbc040 R15: 0000000000000003
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7714 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:42899 inactive_anon:112 isolated_anon:0
active_file:17 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8917 slab_unreclaimable:1480874
mapped:49154 shmem:119 pagetables:659 bounce:0
free:13699 free_pcp:126 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:171596kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:196616kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 114688kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25084kB min:30060kB low:37572kB high:45084kB active_anon:10240kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB
free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0 Normal free:13804kB min:37352kB low:46688kB high:56024kB
active_anon:161356kB inactive_anon:448kB active_file:68kB
inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB
managed:3588044kB mlocked:0kB kernel_stack:5088kB pagetables:2636kB
bounce:0kB free_pcp:256kB local_pcp:8kB free_cma:0kB
lowmem_reserve[]: 0
0
0
0
Node 0
DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
---
This bug is generated by a bot. It may contain errors.
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