CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu:
(detected by 0, t=10675 jiffies, g=44129, q=46)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10441 (4294984333-4294973892), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor3 R running task
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
20856 18540 5463 0x8010000c
Call Trace:
sched_show_task.cold.81+0x2b6/0x30a kernel/sched/core.c:5297
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
print_other_cpu_stall.cold.66+0x7dd/0x8bb kernel/rcu/tree.c:1286
check_cpu_stall kernel/rcu/tree.c:1415 [inline]
rcu_pending kernel/rcu/tree.c:2961 [inline]
rcu_check_callbacks+0xfd7/0x13f0 kernel/rcu/tree.c:2506
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
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+0x247/0x730 mm/slab.c:3642
Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 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 c2 3b
RSP: 0018:ffff8801dae07268 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100373d7996
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
__do_softirq+0x308/0xb7e kernel/softirq.c:292
RBP: ffff8801dae072d8 R08: ffff8801b9ebccb0 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801b9ebc3c0 R12: ffff8801d9bd2c80
R13: ffff8801d9bd2c80 R14: 0000000000000000 R15: 0000000000000286
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
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
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
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e
RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293
RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
dump_header+0x27b/0xf72 mm/oom_kill.c:441
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
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
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
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [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 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 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 c2 3b
RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286
RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
bpf_prog_bebbfe2050753572+0x380/0x1000
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:2993
rcu: rcu_preempt kthread starved for 10441 jiffies! g44129 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
running task
22568 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2826 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
schedule+0xfe/0x460 kernel/sched/core.c:3518
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:62883 inactive_anon:113 isolated_anon:0
active_file:13 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9465 slab_unreclaimable:1459554
mapped:49154 shmem:4214 pagetables:691 bounce:0
free:13759 free_pcp:161 free_cma:0
Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
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:25132kB 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:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB 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
kthread+0x35a/0x420 kernel/kthread.c:246
(U)
1*256kB (U)
0*512kB 1*1024kB
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
(U)
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
1*2048kB (M) 3*4096kB (M)
syz-executor3 cpuset=
= 15908kB
Node 0 DMA32: 5*4kB
syz3
(UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25132kB
mems_allowed=0
Node 0
CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134
Normal:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
951*4kB
Call Trace:
(UMEH)
234*8kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
(UME)
222*16kB
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
(UMEH)
132*32kB
(UM)
1*64kB
(H)
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
0*128kB
0*256kB
1*512kB (H)
0*1024kB 0*2048kB
0*4096kB
= 14028kB
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
4244 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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
__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]
nlmsg_new include/net/netlink.h:654 [inline]
__neigh_notify+0x8c/0x160 net/core/neighbour.c:3011
neigh_update_notify net/core/neighbour.c:2357 [inline]
neigh_timer_handler+0x6cb/0xdf0 net/core/neighbour.c:1017
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 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 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 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 c2 3b
RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286
RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0x380/0x1000
Mem-Info:
CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134
active_anon:62883 inactive_anon:113 isolated_anon:0
active_file:13 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9465 slab_unreclaimable:1459554
mapped:49154 shmem:4214 pagetables:691 bounce:0
free:13759 free_pcp:161 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
DMA32 free:25132kB 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:248kB local_pcp:248kB free_cma:0kB
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0
3503 3503
Node 0
Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:96kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB (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+0xa5/0x8c0 mm/slab.c:2677
3*16kB (M)
3*32kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*64kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
2*128kB (M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*256kB
(M)
4*512kB
(UM)
3*1024kB
(UM)
3*2048kB
(M)
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*4096kB (M)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 25132kB
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
Node 0
Normal:
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
951*4kB
(UMEH)
234*8kB
(UME)
222*16kB (UMEH)
132*32kB
(UM)
1*64kB
(H)
0*128kB 0*256kB
1*512kB
(H)
0*1024kB
0*2048kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB = 14028kB
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
4244 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
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-executor3 cpuset=
__do_softirq+0x308/0xb7e kernel/softirq.c:292
syz3
mems_allowed=0
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:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e
RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293
RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
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+0x22d4/0x2d70 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 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:2993
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000
Mem-Info:
CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:62883 inactive_anon:113 isolated_anon:0
active_file:13 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9465 slab_unreclaimable:1459554
mapped:49154 shmem:4214 pagetables:691 bounce:0
free:13759 free_pcp:161 free_cma:0
Call Trace:
Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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[]:
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
0
2819
6323 6323
Node 0
DMA32 free:25132kB 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:248kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0
3503
3503
Node 0 Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB 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)
3*4096kB
__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
(M)
= 15908kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
Node 0
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
DMA32:
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
5*4kB
(UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
1*8kB
(M)
3*16kB
(M)
3*32kB
(UM)
2*64kB
(M)
2*128kB
(M)
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
4*256kB
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
(M)
4*512kB
(UM)
3*1024kB (UM)
3*2048kB
(M) 3*4096kB (M)
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
= 25132kB
Node 0
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Normal:
951*4kB (UMEH)
234*8kB
(UME)
222*16kB
(UMEH)
132*32kB
(UM)
1*64kB (H)
0*128kB
0*256kB
1*512kB
(H)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*1024kB 0*2048kB
0*4096kB
= 14028kB
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
4244 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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
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 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 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 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 c2 3b
RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286
RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0x380/0x1000
CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134
aoe: skb alloc failure
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
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor3 cpuset=
syz3
mems_allowed=0
__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]
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:3836
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:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e
RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293
RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
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+0x22d4/0x2d70 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 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:2993
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000
CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:62883 inactive_anon:113 isolated_anon:0
active_file:13 inactive_file:17 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9465 slab_unreclaimable:1459554
mapped:49154 shmem:4214 pagetables:691 bounce:0
free:13759 free_pcp:161 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25132kB 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:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
Node 0
__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
DMA32:
5*4kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(UM)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*8kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
3*16kB (M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*32kB
(UM)
2*64kB
(M)
2*128kB
(M)
4*256kB
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(M)
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
4*512kB (UM)
3*1024kB
(UM)
3*2048kB
(M)
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
3*4096kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M)
= 25132kB
Node 0
Normal:
951*4kB
(UMEH)
234*8kB
(UME)
222*16kB
(UMEH)
132*32kB
(UM)
1*64kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(H)
0*128kB
0*256kB
1*512kB
(H)
0*1024kB
0*2048kB
0*4096kB
= 14028kB
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
4244 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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
342293 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
__do_softirq+0x308/0xb7e kernel/softirq.c:292
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
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 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 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 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 c2 3b
RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286
RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0x380/0x1000
CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134
aoe: skb alloc failure
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
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor3 cpuset=
syz3
mems_allowed=0
__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]
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:3836
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