INFO: rcu detected stall in skb_ensure

RDX: 0000000000000000 RSI: 00007ffd4410d090 RDI: 00007ffd4410d090
RBP: 00007ffd4410cf90 R08: 00007ffd4410cef0 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd4410d1f0 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20702 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #120
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=152/1/0x4000000000000004 softirq=33887/33888 fqs=0 
 <IRQ>
rcu: 	 (t=10781 jiffies g=41497 q=19)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: rcu_preempt kthread starved for 10781 jiffies! g41497 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    
23088    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:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __neigh_notify+0x8c/0x160 net/core/neighbour.c:2993
 neigh_update_notify net/core/neighbour.c:2339 [inline]
 neigh_timer_handler+0x6cb/0xdf0 net/core/neighbour.c:998
 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
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20702 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_switch+0x40/0x90 kernel/kcov.c:224
Code: 6b 76 4a 48 83 f8 20 74 5b 48 83 f8 40 41 be 07 00 00 00 75 2d 4c 8b 3e 31 db 49 89 f4 49 89 fd 4d 85 ff 74 1d 49 8b 74 dc 10 <4c> 89 ea 4c 89 f7 48 83 c3 01 48 8b 4d 08 e8 ed fd ff ff 49 39 df
RSP: 0000:ffff8801dae062f8 EFLAGS: 00000006
RAX: 0000000000000103 RBX: 0000000000000003 RCX: ffffffff87af8970
RDX: 0000000000000009 RSI: 0000000000000003 RDI: 0000000000000001
RBP: ffff8801dae06320 R08: ffff88019bba6480 R09: fffffbfff15d44e4
R10: fffffbfff15d44e4 R11: ffffffff8aea2720 R12: ffffffff88b33ba0
R13: 0000000000000009 R14: 0000000000000001 R15: 0000000000000008
FS:  00007f34f967f700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc107a8e40 CR3: 00000001c85fc000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 00000000200001c0 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 vsnprintf+0x1c0/0x1b60 lib/vsprintf.c:2249
 sprintf+0xb0/0xe0 lib/vsprintf.c:2495
 print_time kernel/printk/printk.c:1224 [inline]
 print_prefix+0x26a/0x3f0 kernel/printk/printk.c:1247
 msg_print_text+0xcc/0x1d0 kernel/printk/printk.c:1274
 console_unlock+0x4d6/0x1160 kernel/printk/printk.c:2379
 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
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
 show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
 __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:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __neigh_notify+0x8c/0x160 net/core/neighbour.c:2993
 neigh_update_notify net/core/neighbour.c:2339 [inline]
 neigh_timer_handler+0x6cb/0xdf0 net/core/neighbour.c:998
 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: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 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 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 62 23
RSP: 0000:ffff8801a17c74a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007ea6000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801a17c7520 R08: ffff88019bba6480 R09: fffffbfff12720c0
R10: ffff8801a17c60f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 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.39+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:5068
 ? __this_
Lost 37 message(s)!
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: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 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 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 62 23
RSP: 0000:ffff8801a17c74a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007ea6000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801a17c7520 R08: ffff88019bba6480 R09: fffffbfff12720c0
R10: ffff8801a17c60f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 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.39+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:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x155/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5685 Comm: cron Not tainted 4.19.0-rc6+ #120
Mem-Info:
active_anon:54083 inactive_anon:1041 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1479498
 mapped:16386 shmem:1048 pagetables:456 bounce:0
 free:13770 free_pcp:409 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:4192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB 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:25240kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB 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
 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
 0
 3503
 3503
Node 0 
Normal free:13932kB min:37352kB low:46688kB high:56024kB active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:1824kB bounce:0kB free_pcp:1636kB local_pcp:248kB 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: 
2*4kB 
(M) 2*8kB 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
(UM) 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
2*16kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(M) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
3*32kB 
(UM) 
4*64kB 
(M) 
4*128kB 
(UM) 
3*256kB 
(M) 4*512kB 
(UM) 
3*1024kB 
(UM) 
3*2048kB 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
(M) 
3*4096kB 
 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
(M) 
= 25240kB
Node 0 
Normal: 
833*4kB 
(UMEH) 
345*8kB 
(ME) 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
164*16kB 
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
(UME) 
Code: 3f 7e 0f 85 32 ff ff ff e8 c5 7e 3e ff e9 28 ff ff ff e8 2c e2 c2 ff 48 83 3d 7c f3 6f 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 62 23
71*32kB 
RSP: 0000:ffff8801daf07268 EFLAGS: 00000286
(ME) 
 ORIG_RAX: ffffffffffffff13
16*64kB 
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca
(M) 
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
15*128kB 
RBP: ffff8801daf072d8 R08: ffff8801bd29e5c0 R09: fffffbfff12812c4
(U) 
R10: ffff8801daf05eb0 R11: ffffffff89409623 R12: ffff8801d9be7680
0*256kB 
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
= 13932kB
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
1082 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
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
0 pages HighMem/MovableOnly
342307 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.583 msecs
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
 mems_allowed=0
 br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
 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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 77 f5 a3 f9 e8 b2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 04 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d da 74
RSP: 0000:ffff8801bd1de150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740
RBP: ffff8801bd1de178 R08: ffff8801bd29e5c0 R09: ffffed003b5e5979
R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000
R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 59 21 17 fa 48 83 3d 79 9c 86 01 00 75 07 e8 7a 7f d3 f9 0f 0b e8 73 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 0d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bd1de238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801bd29e5c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab561d RDI: 0000000000000293
RBP: ffff8801bd1de240 R08: ffff8801bd29e5c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fbc107a8e40
Code: Bad RIP value.
RSP: 002b:00007ffd4410cee8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd4410d010 RCX: 00007fbc107a8e40
RDX: 0000000000000000 RSI: 00007ffd4410d090 RDI: 00007ffd4410d090
RBP: 00007ffd4410cf90 R08: 00007ffd4410cef0 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd4410d1f0 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20702 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
cron cpuset=
 <IRQ>
/ 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: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:1374
 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+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_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 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 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 62 23
RSP: 0000:ffff8801a17c74a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007ea6000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801a17c7520 R08: ffff88019bba6480 R09: fffffbfff12720c0
R10: ffff8801a17c60f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 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.39+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:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x155/0x1000
Mem-Info:
CPU: 1 PID: 5685 Comm: cron Not tainted 4.19.0-rc6+ #120
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:54083 inactive_anon:1041 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1479498
 mapped:16386 shmem:1048 pagetables:456 bounce:0
 free:13770 free_pcp:409 free_cma:0
Call Trace:
Node 0 active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:4192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB 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:25240kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13932kB min:37352kB low:46688kB high:56024kB active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:1824kB bounce:0kB free_pcp:1636kB local_pcp:248kB 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) 1*2048kB 
(M) 
 __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
3*4096kB 
(M) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
= 15908kB
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Node 0 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
DMA32: 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*4kB 
(M) 
2*8kB 
(UM) 
2*16kB 
(M) 
3*32kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
4*64kB 
(M) 
4*128kB 
(UM) 
3*256kB 
(M) 
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
4*512kB 
(UM) 
3*1024kB 
(UM) 
 br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
3*2048kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*4096kB 
(M) 
= 25240kB
Node 0 
Normal: 
833*4kB 
(UMEH) 
345*8kB 
(ME) 
164*16kB 
(UME) 
71*32kB 
(ME) 
16*64kB 
(M) 
15*128kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13932kB
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
1082 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
aoe: skb alloc failure
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
syz-executor3 cpuset=
syz3
 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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 77 f5 a3 f9 e8 b2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 04 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d da 74
RSP: 0000:ffff8801bd1de150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740
RBP: ffff8801bd1de178 R08: ffff8801bd29e5c0 R09: ffffed003b5e5979
R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000
R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 59 21 17 fa 48 83 3d 79 9c 86 01 00 75 07 e8 7a 7f d3 f9 0f 0b e8 73 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 0d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bd1de238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801bd29e5c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab561d RDI: 0000000000000293
RBP: ffff8801bd1de240 R08: ffff8801bd29e5c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fbc107a8e40
Code: Bad RIP value.
RSP: 002b:00007ffd4410cee8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffd4410d010 RCX: 00007fbc107a8e40
RDX: 0000000000000000 RSI: 00007ffd4410d090 RDI: 00007ffd4410d090
RBP: 00007ffd4410cf90 R08: 00007ffd4410cef0 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffd4410d1f0 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 20702 Comm: syz-executor3 Not tainted 4.19.0-rc6+ #120
cron: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
cron cpuset=
Call Trace:
/ mems_allowed=0
 <IRQ>
 __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: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:1374
 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+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_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 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 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 62 23
RSP: 0000:ffff8801a17c74a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90007ea6000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff8801a17c7520 R08: ffff88019bba6480 R09: fffffbfff12720c0
R10: ffff8801a17c60f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 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.39+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:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x155/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5685 Comm: cron Not tainted 4.19.0-rc6+ #120
Mem-Info:
active_anon:54083 inactive_anon:1041 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9476 slab_unreclaimable:1479498
 mapped:16386 shmem:1048 pagetables:456 bounce:0
 free:13770 free_pcp:409 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:4192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB 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:25240kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB 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:13932kB min:37352kB low:46688kB high:56024kB active_anon:216332kB inactive_anon:4164kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5312kB pagetables:1824kB bounce:0kB free_pcp:1636kB local_pcp:248kB 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) 
1*2048kB 
(M) 
 __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
3*4096kB 
(M) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
= 15908kB
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Node 0 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
DMA32: 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*4kB 
(M) 
2*8kB 
(UM) 
2*16kB 
(M) 
3*32kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
4*64kB 
(M) 
4*128kB 
(UM) 
3*256kB 
(M) 
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
4*512kB 
(UM) 
3*1024kB 
(UM) 
 br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
3*2048kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*4096kB 
(M) 
= 25240kB
Node 0 Normal: 
833*4kB 
(UMEH) 
345*8kB 
(ME) 
164*16kB 
(UME) 
71*32kB 
(ME) 
16*64kB 
(M) 
15*128kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13932kB
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
1082 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
aoe: skb alloc failure
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
syz3
 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_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:preempt_schedule_irq+0x7d/0x110 kernel/sched/core.c:3699
Code: 00 e8 77 f5 a3 f9 e8 b2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 04 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d da 74
RSP: 0000:ffff8801bd1de150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740
RBP: ffff8801bd1de178 R08: ffff8801bd29e5c0 R09: ffffed003b5e5979
R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000
R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 59 21 17 fa 48 83 3d 79 9c 86 01 00 75 07 e8 7a 7f d3 f9 0f 0b e8 73 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 0d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bd1de238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801bd29e5c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab561d RDI: 0000000000000293
RBP: ffff8801bd1de240 R08: ffff8801bd29e5c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569