RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
rcu: 1-...!: (357 ticks this GP) idle=57a/1/0x4000000000000004 softirq=30165/30167 fqs=1
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
rcu: (t=10590 jiffies g=38197 q=37)
rcu: rcu_preempt kthread starved for 10358 jiffies! g38197 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 22696 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2831 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3472
schedule+0xfe/0x460 kernel/sched/core.c:3516
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
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
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
NMI backtrace for cpu 1
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:44321 inactive_anon:2061 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9437 slab_unreclaimable:1460937
mapped:49154 shmem:2105 pagetables:642 bounce:0
free:13638 free_pcp:328 free_cma:0
Call Trace:
Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
<IRQ>
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 2818 6321 6321
Node 0 DMA32 free:24708kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
nmi_cpu_backtrace.cold.2+0x5c/0xa1 lib/nmi_backtrace.c:101
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
nmi_trigger_cpumask_backtrace+0x1e8/0x22a lib/nmi_backtrace.c:62
Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2133 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
342853 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0
check_cpu_stall kernel/rcu/tree.c:1408 [inline]
rcu_pending kernel/rcu/tree.c:2961 [inline]
rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
__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
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:804
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: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 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 d2 ac
RSP: 0018:ffff8801daf07268 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100385b2df0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801daf072d8 R08: ffff8801c2d96f80 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801c2d96640 R12: ffff8801d9beec00
R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286
__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]
__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
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:804
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:preempt_schedule_irq+0xaf/0x140 kernel/sched/core.c:3698
Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
retint_kernel+0x1b/0x2d
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 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
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:3519 [inline]
__alloc_pages_slowpath+0x2354/0x2e10 mm/page_alloc.c:4240
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
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:1139
RIP: 0033:0x404068
Code: Bad RIP value.
RSP: 002b:000000c420024e48 EFLAGS: 00010206
RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
syz-fuzzer: 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
syz-fuzzer cpuset=/ mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
Mem-Info:
active_anon:44321 inactive_anon:2061 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9437 slab_unreclaimable:1460937
mapped:49154 shmem:2105 pagetables:642 bounce:0
free:13638 free_pcp:328 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB 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
<IRQ>
lowmem_reserve[]: 0 2818 6321 6321
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 DMA32 free:24708kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB 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) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
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
2133 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
342853 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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:804
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:preempt_schedule_irq+0xaf/0x140 kernel/sched/core.c:3698
Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
retint_kernel+0x1b/0x2d
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 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
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:3519 [inline]
__alloc_pages_slowpath+0x2354/0x2e10 mm/page_alloc.c:4240
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
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:1139
RIP: 0033:0x404068
Code: Bad RIP value.
RSP: 002b:000000c420024e48 EFLAGS: 00010206
RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-fuzzer cpuset=/ mems_allowed=0
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:44321 inactive_anon:2061 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9437 slab_unreclaimable:1460937
mapped:49154 shmem:2105 pagetables:642 bounce:0
free:13638 free_pcp:328 free_cma:0
Call Trace:
Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
<IRQ>
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 2818 6321 6321
Node 0 DMA32 free:24708kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB 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) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
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
2133 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
342853 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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]
__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
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:804
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:preempt_schedule_irq+0xaf/0x140 kernel/sched/core.c:3698
Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
retint_kernel+0x1b/0x2d
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 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
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:3519 [inline]
__alloc_pages_slowpath+0x2354/0x2e10 mm/page_alloc.c:4240
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
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:1139
RIP: 0033:0x404068
Code: Bad RIP value.
RSP: 002b:000000c420024e48 EFLAGS: 00010206
RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
syz-fuzzer: 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
syz-fuzzer cpuset=/ mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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
run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654
smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:44321 inactive_anon:2061 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9437 slab_unreclaimable:1460937
mapped:49154 shmem:2105 pagetables:642 bounce:0
free:13638 free_pcp:328 free_cma:0
Call Trace:
Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
<IRQ>
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 2818 6321 6321
Node 0 DMA32 free:24708kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB 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) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
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
2133 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
342853 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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]
__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
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:804
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:preempt_schedule_irq+0xaf/0x140 kernel/sched/core.c:3698
Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
retint_kernel+0x1b/0x2d
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 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
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:3519 [inline]
__alloc_pages_slowpath+0x2354/0x2e10 mm/page_alloc.c:4240
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
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:1139
RIP: 0033:0x404068
Code: Bad RIP value.
RSP: 002b:000000c420024e48 EFLAGS: 00010206
RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
syz-fuzzer: 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
syz-fuzzer cpuset=/ mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x26e8/0x2e10 mm/page_alloc.c:4302
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4395
__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]
__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
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