CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72
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=38893, q=42)
__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 8580 (4294981495-4294972915), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor0 R
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
running task 20648 17787 5378 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
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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 95 f7 3f ff e9 28 ff ff ff e8 ec c1 c3 ff 48 83 3d 44 70 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 6a b1
RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003253cd21
RDX: 0000000000000000 RSI: ffff8801929e6910 RDI: 0000000000000286
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RBP: ffff8801dae07448 R08: ffff8801929e6908 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801929e6040 R12: ffff8801d9a05040
__do_softirq+0x308/0xb7e kernel/softirq.c:292
R13: ffff8801d9a05040 R14: 0000000000000000 R15: 0000000000000286
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
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
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
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:3700
Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90
RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c
RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000
R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
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 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293
RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
dump_header+0x27b/0xf72 mm/oom_kill.c:441
__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
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
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 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 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 6a b1
RSP: 0000:ffff88019c63f740 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286
RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
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
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0x325/0x1000
__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
rcu: rcu_preempt kthread starved for 8580 jiffies! g38893 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task 22696 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
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6291
__do_fault+0x100/0x6b0 mm/memory.c:2993
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
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
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
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
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c4200206a0 EFLAGS: 00010206
RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060
RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:46452 inactive_anon:2315 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9341 slab_unreclaimable:1470635
mapped:24578 shmem:7010 pagetables:528 bounce:0
free:13753 free_pcp:603 free_cma:0
Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
2818 6321
6321
Node 0
DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB 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
kthread+0x35a/0x420 kernel/kthread.c:246
Node 0
Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB
lowmem_reserve[]: 0
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
0 0
aoe: skb alloc failure
0
Node 0 DMA: 1*4kB (U) 0*8kB
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
0*16kB 1*32kB
syz-executor0 cpuset=
(U) 2*64kB
syz0
(U) 1*128kB
mems_allowed=0
(U)
CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72
1*256kB (U)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
0*512kB 1*1024kB
Call Trace:
(U) 1*2048kB
(M) 3*4096kB
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
(M)
= 15908kB
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
Node 0
DMA32: 5*4kB
(UM)
1*8kB (H)
2*16kB (M)
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
3*32kB (M)
3*64kB (MH)
4*128kB
(M)
5*256kB (UMH)
5*512kB (UMH)
4*1024kB
(UMH)
2*2048kB
(UM) 3*4096kB
(M)
= 25180kB
Node 0
Normal: 1917*4kB
(UME)
392*8kB (UME)
105*16kB
(UME) 43*32kB
(UM)
1*64kB (U)
0*128kB
0*256kB
0*512kB 0*1024kB
0*2048kB 0*4096kB
= 13924kB
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
7036 total pagecache pages
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
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
__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
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)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
syz-fuzzer cpuset=
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
mems_allowed=0
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc 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 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 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 6a b1
RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286
RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 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+0x325/0x1000
Mem-Info:
CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72
active_anon:46452 inactive_anon:2315 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9341 slab_unreclaimable:1470635
mapped:24578 shmem:7010 pagetables:528 bounce:0
free:13753 free_pcp:603 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB 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 2818
6321 6321
Node 0
DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB 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:248kB free_cma:0kB
lowmem_reserve[]: 0
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
0 3503
3503
Node 0
Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:828kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
3*4096kB (M)
= 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB (H)
__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
2*16kB (M)
3*32kB (M)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
3*64kB (MH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*128kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 5*256kB (UMH)
5*512kB (UMH)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*1024kB (UMH)
2*2048kB (UM)
3*4096kB (M) = 25180kB
Node 0
Normal: 1917*4kB
(UME)
392*8kB (UME)
105*16kB (UME)
43*32kB (UM)
1*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
(U) 0*128kB
0*256kB 0*512kB
0*1024kB
0*2048kB 0*4096kB
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
= 13924kB
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
br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
7036 total pagecache pages
0 pages in swap cache
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
aoe: skb alloc failure
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
syz0
mems_allowed=0
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_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:preempt_schedule_irq+0xaf/0x140 kernel/sched/core.c:3700
Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90
RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c
RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000
R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
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 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293
RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c
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:6291
__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:000000c4200206a0 EFLAGS: 00010206
RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060
RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9
CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72
Mem-Info:
active_anon:46452 inactive_anon:2315 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9341 slab_unreclaimable:1470635
mapped:24578 shmem:7010 pagetables:528 bounce:0
free:13753 free_pcp:603 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB 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
2818
6321
6321
Node 0
DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB 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:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
DMA32:
5*4kB
(UM)
1*8kB (H)
2*16kB (M)
3*32kB
(M) 3*64kB
__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
(MH)
4*128kB (M)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
5*256kB (UMH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*512kB (UMH)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*1024kB (UMH)
2*2048kB (UM)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*4096kB (M)
= 25180kB
Node 0
Normal:
1917*4kB
(UME)
392*8kB (UME)
105*16kB (UME)
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
43*32kB (UM)
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
1*64kB (U)
0*128kB
0*256kB 0*512kB
0*1024kB
0*2048kB 0*4096kB
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
= 13924kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
7036 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
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
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 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 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 6a b1
RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286
RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 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+0x325/0x1000
CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor0 cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
syz0
mems_allowed=0
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]
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:801
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:3700
Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90
RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c
RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000
R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
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 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e
RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293
RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c
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:6291
__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:000000c4200206a0 EFLAGS: 00010206
RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060
RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9
CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72
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:46452 inactive_anon:2315 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9341 slab_unreclaimable:1470635
mapped:24578 shmem:7010 pagetables:528 bounce:0
free:13753 free_pcp:603 free_cma:0
Call Trace:
Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB 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
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]:
0 2818
6321 6321
Node 0
DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB 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:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB (U)
2*64kB (U)
1*128kB (U)
1*256kB
(U) 0*512kB
1*1024kB (U)
1*2048kB (M)
3*4096kB
(M) = 15908kB
Node 0
DMA32:
5*4kB
(UM)
1*8kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(H)
2*16kB (M)
3*32kB (M)
3*64kB (MH)
4*128kB (M)
5*256kB
(UMH)
__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
5*512kB
(UMH)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
4*1024kB (UMH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*2048kB (UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*4096kB (M)
= 25180kB
Node 0
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
Normal: 1917*4kB
(UME)
392*8kB
(UME)
105*16kB (UME)
43*32kB (UM)
1*64kB (U)
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
0*128kB 0*256kB
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
0*512kB 0*1024kB
0*2048kB
0*4096kB = 13924kB
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
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
7036 total pagecache pages
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
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 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 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 6a b1
RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286
RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 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+0x325/0x1000
CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72
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-executor0: 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-executor0 cpuset=
syz0
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