CPU: 0 PID: 5435 Comm: syz-fuzzer Not tainted 4.19.0+ #135
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:
<IRQ>
(detected by 1, t=10523 jiffies, g=48533, q=19)
rcu: All QSes seen, last rcu_preempt kthread activity 10515 (4294982380-4294971865), jiffies_till_next_fqs=1, root ->qsmask 0x0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3 R
running task
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
16800 17705 5507 0x8010000c
Call Trace:
<IRQ>
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
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: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 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 1a 90
RSP: 0000:ffff8801daf071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100399315ce
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801daf07248 R08: ffff8801cc98ae70 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801cc98a580 R12: ffff8801d9bd2680
R13: ffff8801d9bd2680 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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
__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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
</IRQ>
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
__do_softirq+0x308/0xb7e kernel/softirq.c:292
RSP: 0000:ffff8801d87b5498 EFLAGS: 00000293
ORIG_RAX: ffffffffffffff13
RAX: ffff8801d96f8300 RBX: 0000000000000200 RCX: 1ffff1003b2df17e
RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293
RBP: ffff8801d87b5608 R08: ffff8801d96f8bf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d96f8300 R12: dffffc0000000000
R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0
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
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
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
</IRQ>
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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff880198607740 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cc98ae00 RDI: 0000000000000286
RBP: ffff8801986077a8 R08: ffff8801cc98a580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0xc7c/0x1000
show_mem+0x34/0x17b lib/show_mem.c:18
dump_header+0x2f1/0xf72 mm/oom_kill.c:445
rcu: rcu_preempt kthread starved for 10515 jiffies! g48533 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
23016 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
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
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
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
__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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
mems_allowed=0
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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 17705 Comm: syz-executor3 Not tainted 4.19.0+ #135
Mem-Info:
active_anon:54544 inactive_anon:2277 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9200 slab_unreclaimable:1465460
mapped:8194 shmem:2284 pagetables:412 bounce:0
free:13738 free_pcp:524 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:9136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB 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+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
0 2818
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
6321
6321
Node 0
DMA32 free:25100kB 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:2888720kB 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:13944kB min:37364kB low:46704kB high:56044kB active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5248kB pagetables:1648kB bounce:0kB free_pcp:1848kB local_pcp:1272kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
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+0xa5/0x8c0 mm/slab.c:2677
3*4096kB
(M)
fallback_alloc+0x204/0x2e0 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:
5*4kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
1*8kB
(U)
3*16kB
(UM)
2*32kB
(UM)
4*64kB
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
(UM)
5*128kB
(UM)
4*256kB
(UM)
3*512kB
(M)
3*1024kB (UM)
3*2048kB
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
(UM)
3*4096kB
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
(M)
= 25100kB
Node 0
Normal:
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
922*4kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UMEH)
452*8kB
(UME)
175*16kB
(UMEH)
86*32kB
(UMEH) 11*64kB
(MH)
1*128kB
(H)
1*256kB
(H)
0*512kB
0*1024kB 0*2048kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*4096kB
= 13944kB
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
2312 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
342867 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)
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-fuzzer cpuset=
/
__do_softirq+0x308/0xb7e kernel/softirq.c:292
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
</IRQ>
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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff880198607740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cc98ae00 RDI: 0000000000000286
RBP: ffff8801986077a8 R08: ffff8801cc98a580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0xc7c/0x1000
CPU: 0 PID: 5435 Comm: syz-fuzzer Not tainted 4.19.0+ #135
syz-executor3: 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-executor3 cpuset=
Call Trace:
syz3
<IRQ>
mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d87b5498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d96f8300 RBX: 0000000000000200 RCX: 1ffff1003b2df17e
RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293
RBP: ffff8801d87b5608 R08: ffff8801d96f8bf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d96f8300 R12: dffffc0000000000
R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
show_mem+0x34/0x17b lib/show_mem.c:18
dump_header+0x2f1/0xf72 mm/oom_kill.c:445
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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 17705 Comm: syz-executor3 Not tainted 4.19.0+ #135
Mem-Info:
active_anon:54544 inactive_anon:2277 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9200 slab_unreclaimable:1465460
mapped:8194 shmem:2284 pagetables:412 bounce:0
free:13738 free_pcp:524 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:9136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB 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+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
2818
6321
6321
Node 0
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25100kB 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:2888720kB 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:13944kB min:37364kB low:46704kB high:56044kB active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5248kB pagetables:1648kB bounce:0kB free_pcp:1848kB local_pcp:1272kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
1*1024kB
(U)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
1*2048kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*4096kB (M)
= 15908kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
3*16kB
(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
2*32kB
(UM)
4*64kB
(UM)
5*128kB
(UM)
4*256kB
(UM)
3*512kB
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
(M)
3*1024kB
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
(UM)
3*2048kB
(UM)
3*4096kB
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
(M) = 25100kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Node 0
Normal:
922*4kB
(UMEH)
452*8kB
(UME)
175*16kB
(UMEH)
86*32kB
(UMEH)
11*64kB
(MH)
1*128kB
(H)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
1*256kB
(H)
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13944kB
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
2312 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Total swap = 0kB
1965979 pages RAM
__do_softirq+0x308/0xb7e kernel/softirq.c:292
0 pages HighMem/MovableOnly
342867 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
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
</IRQ>
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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff880198607740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cc98ae00 RDI: 0000000000000286
RBP: ffff8801986077a8 R08: ffff8801cc98a580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0xc7c/0x1000
CPU: 0 PID: 5435 Comm: syz-fuzzer Not tainted 4.19.0+ #135
syz-executor3: 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-executor3 cpuset=
Call Trace:
syz3
<IRQ>
mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
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
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d87b5498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d96f8300 RBX: 0000000000000200 RCX: 1ffff1003b2df17e
RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293
RBP: ffff8801d87b5608 R08: ffff8801d96f8bf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d96f8300 R12: dffffc0000000000
R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
show_mem+0x34/0x17b lib/show_mem.c:18
dump_header+0x2f1/0xf72 mm/oom_kill.c:445
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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c42002fab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045ddf3
RDX: 000000c42002fac0 RSI: 000000c42002fbf0 RDI: 0000000000000011
RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
CPU: 1 PID: 17705 Comm: syz-executor3 Not tainted 4.19.0+ #135
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:54544 inactive_anon:2277 isolated_anon:0
active_file:14 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9200 slab_unreclaimable:1465460
mapped:8194 shmem:2284 pagetables:412 bounce:0
free:13738 free_pcp:524 free_cma:0
Call Trace:
Node 0 active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:9136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
<IRQ>
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
2818
6321
6321
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
Node 0 DMA32 free:25100kB 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:2888720kB 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:13944kB min:37364kB low:46704kB high:56044kB active_anon:218176kB inactive_anon:9108kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5248kB pagetables:1648kB bounce:0kB free_pcp:1848kB local_pcp:1272kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0
DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
0*512kB
1*1024kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(U)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*2048kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
3*4096kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB
(U)
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
3*16kB
(UM)
2*32kB
(UM)
4*64kB
(UM)
5*128kB
(UM)
4*256kB
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
(UM)
3*512kB
br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
(M)
3*1024kB
(UM)
3*2048kB (UM)
br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
3*4096kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M)
= 25100kB
Node 0
Normal:
922*4kB
(UMEH)
452*8kB
(UME)
175*16kB
(UMEH)
86*32kB
(UMEH)
11*64kB
(MH)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
1*128kB
(H)
1*256kB
(H)
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13944kB
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
2312 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Free swap = 0kB
Total swap = 0kB
__do_softirq+0x308/0xb7e kernel/softirq.c:292
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 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
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
</IRQ>
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 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
RSP: 0000:ffff880198607740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cc98ae00 RDI: 0000000000000286
RBP: ffff8801986077a8 R08: ffff8801cc98a580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 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+0xc7c/0x1000