Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
INFO: task syz-executor1:5356 blocked for more than 140 seconds.
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
Not tainted 4.19.0+ #134
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1 D
14408 5356 1 0x80000006
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
Call Trace:
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
__bpf_try_make_writable net/core/filter.c:1638 [inline]
bpf_try_make_writable net/core/filter.c:1644 [inline]
bpf_try_make_head_writable net/core/filter.c:1652 [inline]
____bpf_clone_redirect net/core/filter.c:2089 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb94/0x1000
schedule+0xfe/0x460 kernel/sched/core.c:3518
schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1780
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=syz0 mems_allowed=0
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
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+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
do_wait_for_common kernel/sched/completion.c:83 [inline]
__wait_for_common kernel/sched/completion.c:104 [inline]
wait_for_common kernel/sched/completion.c:115 [inline]
wait_for_completion+0x427/0x8a0 kernel/sched/completion.c:136
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__wait_rcu_gp+0x265/0x360 kernel/rcu/update.c:362
synchronize_rcu.part.53+0x104/0x120 kernel/rcu/tree_plugin.h:859
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
synchronize_rcu+0x27/0xa0 kernel/rcu/tree_plugin.h:860
____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
namespace_unlock+0x1bb/0x210 fs/namespace.c:1363
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
drop_collected_mounts+0x85/0x90 fs/namespace.c:1787
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
put_mnt_ns+0x69/0x90 fs/namespace.c:3238
free_nsproxy+0x46/0x220 kernel/nsproxy.c:176
switch_task_namespaces+0xb3/0xd0 kernel/nsproxy.c:229
exit_task_namespaces+0x17/0x20 kernel/nsproxy.c:234
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
do_exit+0x1ad1/0x26d0 kernel/exit.c:866
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
__bpf_try_make_writable net/core/filter.c:1638 [inline]
bpf_try_make_writable net/core/filter.c:1644 [inline]
bpf_try_make_head_writable net/core/filter.c:1652 [inline]
____bpf_clone_redirect net/core/filter.c:2089 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb94/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:52381 inactive_anon:131 isolated_anon:0
active_file:13 inactive_file:11 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9315 slab_unreclaimable:1471627
mapped:32770 shmem:2902 pagetables:560 bounce:0
free:13748 free_pcp:427 free_cma:0
do_group_exit+0x177/0x440 kernel/exit.c:970
Node 0 active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:11608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 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[]: 0 2819 6323 6323
Node 0 DMA32 free:25116kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2240kB bounce:0kB free_pcp:1212kB local_pcp:352kB 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
Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25116kB
Node 0 Normal: 942*4kB (UME) 479*8kB (MEH) 206*16kB (MEH) 77*32kB (UMEH) 3*64kB (UH) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 14064kB
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
2926 total pagecache pages
get_signal+0x8b0/0x1980 kernel/signal.c:2517
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
342293 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=syz0 mems_allowed=0
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
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+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
__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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
entry_SYSCALL_64_after_hwframe+0x49/0xbe
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
RIP: 0033:0x410fa0
Code: Bad RIP value.
RSP: 002b:00007ffc58fcbfe8 EFLAGS: 00000246
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000410fa0
RDX: 0000000000000038 RSI: 0000000000728020 RDI: 00000000000000f9
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RBP: 0000000000000003 R08: 00000000000003b8 R09: 0000000000004000
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
R10: 0000000000709660 R11: 0000000000000246 R12: 0000000000000019
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
R13: 00000000000856e0 R14: 0000000000000388 R15: 0000000000000001
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
Showing all locks held in the system:
4 locks held by init/1:
1 lock held by khungtaskd/980:
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
#0:
00000000fa1401ef
(rcu_read_lock
){....}
__bpf_try_make_writable net/core/filter.c:1638 [inline]
bpf_try_make_writable net/core/filter.c:1644 [inline]
bpf_try_make_head_writable net/core/filter.c:1652 [inline]
____bpf_clone_redirect net/core/filter.c:2089 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb94/0x1000
, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4379
2 locks held by rsyslogd/5219:
#0:
000000009a77ae32
(&mm->mmap_sem
){++++}
, at: do_user_addr_fault arch/x86/mm/fault.c:1351 [inline]
, at: __do_page_fault+0x3da/0xe60 arch/x86/mm/fault.c:1489
#1:
00000000e44bc5e9
(
Mem-Info:
active_anon:52381 inactive_anon:131 isolated_anon:0
active_file:13 inactive_file:11 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9315 slab_unreclaimable:1471627
mapped:32770 shmem:2902 pagetables:560 bounce:0
free:13748 free_pcp:427 free_cma:0
&ei->i_mmap_sem
Node 0 active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:11608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 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[]: 0 2819 6323 6323
){++++}
Node 0
, at: ext4_filemap_fault+0x7a/0xad fs/ext4/inode.c:6258
DMA32 free:25116kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
2 locks held by cron/5259:
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2240kB bounce:0kB free_pcp:1212kB local_pcp:352kB 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
Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25116kB
#0:
Node 0 Normal: 942*4kB (UME) 479*8kB (MEH) 206*16kB (MEH) 77*32kB (UMEH) 3*64kB (UH) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 14064kB
000000002a84ab19
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
2926 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
342293 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
&mm->mmap_sem
syz-executor0 cpuset=
){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1351 [inline]
){++++}, at: __do_page_fault+0x3da/0xe60 arch/x86/mm/fault.c:1489
syz0 mems_allowed=0
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
#1:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
000000009a2af931 (
&ei->i_mmap_sem
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
){++++}
, at: ext4_filemap_fault+0x7a/0xad fs/ext4/inode.c:6258
2 locks held by getty/5309:
#0:
00000000e709f443 (
&tty->ldisc_sem
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
__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+0xa5/0x8c0 mm/slab.c:2677
#1: 00000000ef68ffdb
fallback_alloc+0x204/0x2e0 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
&ldata->atomic_read_lock){+.+.}
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
2 locks held by getty/5310:
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
#0: 0000000014341209
(
&tty->ldisc_sem
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
){++++}
, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
#1:
00000000823e9f82 (
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
&ldata->atomic_read_lock){+.+.}
__do_softirq+0x308/0xb7e kernel/softirq.c:292
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
2 locks held by getty/5311:
#0:
00000000d1897fd0 (
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
&tty->ldisc_sem
){++++}
, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
#1:
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
000000009a8eaed8
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
(
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
&ldata->atomic_read_lock
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
){+.+.}
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
2 locks held by getty/5312:
#0:
000000001c1a0564
(
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
&tty->ldisc_sem){++++}
, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
__bpf_try_make_writable net/core/filter.c:1638 [inline]
bpf_try_make_writable net/core/filter.c:1644 [inline]
bpf_try_make_head_writable net/core/filter.c:1652 [inline]
____bpf_clone_redirect net/core/filter.c:2089 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb94/0x1000
#1:
0000000054a0edfb
(&ldata->atomic_read_lock
){+.+.}
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
2 locks held by getty/5313:
#0:
00000000568fcf31 (
&tty->ldisc_sem
){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
#1: 00000000a058b17e
(
&ldata->atomic_read_lock
){+.+.}
Mem-Info:
active_anon:52381 inactive_anon:131 isolated_anon:0
active_file:13 inactive_file:11 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9315 slab_unreclaimable:1471627
mapped:32770 shmem:2902 pagetables:560 bounce:0
free:13748 free_pcp:427 free_cma:0
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
Node 0 active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:11608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0
2 locks held by getty/5314:
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
#0:
lowmem_reserve[]: 0 2819 6323 6323
Node 0 DMA32 free:25116kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2240kB bounce:0kB free_pcp:1212kB local_pcp:352kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
0000000015a36669
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
&tty->ldisc_sem
Node 0 DMA32:
){++++}
5*4kB (UM) 1*8kB (M) 4*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25116kB
Node 0 Normal: 942*4kB (UME) 479*8kB (MEH) 206*16kB (MEH) 77*32kB (UMEH) 3*64kB (UH) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 14064kB
, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
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
2926 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
#1:
Free swap = 0kB
Total swap = 0kB
00000000e9573038
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
(
syz-executor0 cpuset=syz0 mems_allowed=0
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
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+0x244/0x39d lib/dump_stack.c:113
&ldata->atomic_read_lock){+.+.}
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
2 locks held by getty/5315:
#0: 000000006cc83364
(
&tty->ldisc_sem
){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353
#1:
000000009dad470d (
&ldata->atomic_read_lock
){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
2 locks held by syz-fuzzer/5335:
#0: 00000000a8681051
__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+0xa5/0x8c0 mm/slab.c:2677
(
fallback_alloc+0x204/0x2e0 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
&mm->mmap_sem
){++++}
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
, at: do_user_addr_fault arch/x86/mm/fault.c:1351 [inline]
, at: __do_page_fault+0x3da/0xe60 arch/x86/mm/fault.c:1489
#1:
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
000000000a2e1a67
(&ei->i_mmap_sem
){++++}, at: ext4_filemap_fault+0x7a/0xad fs/ext4/inode.c:6258
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
4 locks held by syz-fuzzer/5336:
2 locks held by syz-fuzzer/5339:
#0:
00000000a8681051 (
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
&mm->mmap_sem){++++}
__do_softirq+0x308/0xb7e kernel/softirq.c:292
, at: do_user_addr_fault arch/x86/mm/fault.c:1351 [inline]
, at: __do_page_fault+0x3da/0xe60 arch/x86/mm/fault.c:1489
#1: 000000000a2e1a67
(
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
&ei->i_mmap_sem
){++++}, at: ext4_filemap_fault+0x7a/0xad fs/ext4/inode.c:6258
6 locks held by syz-executor0/4533:
=============================================
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
NMI backtrace for cpu 0
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
__bpf_try_make_writable net/core/filter.c:1638 [inline]
bpf_try_make_writable net/core/filter.c:1644 [inline]
bpf_try_make_head_writable net/core/filter.c:1652 [inline]
____bpf_clone_redirect net/core/filter.c:2089 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb94/0x1000
CPU: 0 PID: 980 Comm: khungtaskd Not tainted 4.19.0+ #134
Mem-Info:
active_anon:52381 inactive_anon:131 isolated_anon:0
active_file:13 inactive_file:11 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9315 slab_unreclaimable:1471627
mapped:32770 shmem:2902 pagetables:560 bounce:0
free:13748 free_pcp:427 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:11608kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 182272kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d 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[]:
0
nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
2819
6323
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
6323
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
watchdog+0xb3e/0x1050 kernel/hung_task.c:265
Node 0 DMA32 free:25116kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
0
0
3503 3503
Node 0
Normal free:13968kB min:37352kB low:46688kB high:56024kB active_anon:209524kB inactive_anon:524kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2240kB bounce:0kB free_pcp:1212kB local_pcp:352kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0 DMA:
kthread+0x35a/0x420 kernel/kthread.c:246
1*4kB
(U)
0*8kB
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
0*16kB
Sending NMI from CPU 0 to CPUs 1:
1*32kB (U)
NMI backtrace for cpu 1
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:outb arch/x86/include/asm/io.h:334 [inline]
RIP: 0010:io_serial_out+0x73/0x90 drivers/tty/serial/8250/8250_port.c:455
Code: 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 19 41 03 5c 24 38 44 89 e8 89 da ee <5b> 41 5c 41 5d 5d c3 e8 71 ee e2 fd eb c0 e8 ca ee e2 fd eb e0 0f
RSP: 0000:ffff8801daf05a48 EFLAGS: 00000002
RAX: 000000000000005b RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff83df72a6 RDI: ffffffff8b8bcc18
RBP: ffff8801daf05a60 R08: ffff880193e78100 R09: ffffed003b5e0b47
R10: ffffed003b5e0b47 R11: 0000000000000003 R12: ffffffff8b8bcbe0
R13: 000000000000005b R14: dffffc0000000000 R15: 000000000000005b
FS: 00007f023f51f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e7ebad1d3 CR3: 0000000196521000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_port_out include/linux/serial_core.h:273 [inline]
serial8250_console_putchar+0x4b/0x60 drivers/tty/serial/8250/8250_port.c:3200
uart_console_write+0x63/0x110 drivers/tty/serial/serial_core.c:1837
serial8250_console_write+0x714/0xb10 drivers/tty/serial/8250/8250_port.c:3265
univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590
call_console_drivers kernel/printk/printk.c:1724 [inline]
console_unlock+0xadc/0x1160 kernel/printk/printk.c:2405
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
show_migration_types mm/page_alloc.c:4841 [inline]
show_free_areas.cold.118+0x1f34/0x215d mm/page_alloc.c:5031
show_mem+0x34/0x17b lib/show_mem.c:18
warn_alloc_show_mem mm/page_alloc.c:3403 [inline]
warn_alloc.cold.117+0x152/0x1bd mm/page_alloc.c:3427
__alloc_pages_slowpath+0x2660/0x2d70 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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 b3 5d 3e ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d 22 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff8801d95f74a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff880193e78980 RDI: 0000000000000286
RBP: ffff8801d95f7518 R08: ffff880193e78100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
Lost 66 message(s)!
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 (M) 4*16kB (UM) 2*32kB (M) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25116kB
Node 0 Normal: 942*4kB (UME) 479*8kB (MEH) 206*16kB (MEH) 77*32kB (UMEH) 3*64kB (UH) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 14064kB
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
2926 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
342293 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.737 msecs
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=syz0 mems_allowed=0
CPU: 1 PID: 4533 Comm: syz-executor0 Not tainted 4.19.0+ #134
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+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 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+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 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:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326