RDX: 000000c420481ac0 RSI: 000000c420481bf0 RDI: 0000000000000011
RBP: 000000c42032de30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4281ee338
R13: 000000000000001f R14: 0000000000b80960 R15: 000000000000dfc9
CPU: 0 PID: 9 Comm: ksoftirqd/0 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: 0-....: (7 ticks this GP) idle=ff2/1/0x4000000000000000 softirq=10361/10361 fqs=133
__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
rcu:
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
(detected by 1, t=10598 jiffies, g=10785, q=19)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:778 [inline]
RIP: 0010:lock_acquire+0x100/0x520 kernel/locking/lockdep.c:3839
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ae 03 00 00 48 83 3d cf 85 f1 07 00 0f 84 1f 03 00 00 9c <58> 0f 1f 44 00 00 48 c7 c7 78 f4 51 89 48 89 85 20 ff ff ff 48 b8
RSP: 0000:ffff8801d9aad2a8 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: 1ffff1003b355a5b RCX: 0000000000000000
RDX: 1ffffffff12a3e8d RSI: 0000000000000000 RDI: ffffffff8951f468
RBP: ffff8801d9aad3a0 R08: 0000000000000001 R09: 0000000000000000
R10: fffffbfff12b1e6c R11: ffffffff8958f363 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ddf3 CR3: 00000001d823d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:144
console_lock_spinning_enable kernel/printk/printk.c:1582 [inline]
console_unlock+0x589/0x1160 kernel/printk/printk.c:2402
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:1996
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
__build_skb+0xab/0x430 net/core/skbuff.c:281
__napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
napi_alloc_skb include/linux/skbuff.h:2696 [inline]
page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
virtnet_receive drivers/net/virtio_net.c:1298 [inline]
virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
napi_poll net/core/dev.c:6275 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341
? k
Lost 43 message(s)!
rcu: rcu_preempt kthread starved for 1934 jiffies! g10785 f0x0 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
__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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
__build_skb+0xab/0x430 net/core/skbuff.c:281
__napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
napi_alloc_skb include/linux/skbuff.h:2696 [inline]
page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
virtnet_receive drivers/net/virtio_net.c:1298 [inline]
virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
napi_poll net/core/dev.c:6275 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341
__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/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
CPU: 1 PID: 5350 Comm: syz-fuzzer 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
Call Trace:
active_anon:33664 inactive_anon:131 isolated_anon:0
active_file:14 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:7884 slab_unreclaimable:1514760
mapped:16403 shmem:138 pagetables:483 bounce:0
free:13789 free_pcp:261 free_cma:0
Node 0 active_anon:134656kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
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
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]: 0
2818
6321 6321
Node 0
DMA32 free:25268kB min:30052kB low:37564kB high:45076kB active_anon:7288kB 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
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0 3503
3503
Node 0
Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:127368kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4928kB pagetables:1932kB bounce:0kB free_pcp:796kB local_pcp:260kB 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: 3*4kB
(UM) 283*8kB
(UM)
189*16kB (UM)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
116*32kB (M)
38*64kB
(M) 10*128kB
(M) 5*256kB
(UM)
4*512kB (UM)
3*1024kB (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*2048kB (UM)
0*4096kB = 25268kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
Node 0 Normal:
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
191*4kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UME)
564*8kB (UMEH)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
243*16kB
(UMEH)
85*32kB (UM)
2*64kB (U)
0*128kB 2*256kB
(UH) 1*512kB
(U) 1*1024kB
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(U) 0*2048kB
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
0*4096kB
= 14060kB
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
168 total pagecache pages
0 pages in swap cache
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
Swap cache stats: add 0, delete 0, find 0/0
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Free swap = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.923 msecs
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 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:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c1826220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87bc580 RBX: 1ffffffff12a3e8e RCX: 1ffff1003b0f79ce
RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
RBP: ffff8801c18262c8 R08: ffff8801d87bce70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87bc580 R12: 1ffff10038304c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
__do_fault+0x100/0x6b0 mm/memory.c:2993
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420481ab8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 000000c420088380 RCX: 000000000045ddf3
RDX: 000000c420481ac0 RSI: 000000c420481bf0 RDI: 0000000000000011
RBP: 000000c42032de30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4281ee338
R13: 000000000000001f R14: 0000000000b80960 R15: 000000000000dfc9
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135
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-fuzzer: 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-fuzzer cpuset=
/
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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
__build_skb+0xab/0x430 net/core/skbuff.c:281
__napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
napi_alloc_skb include/linux/skbuff.h:2696 [inline]
page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
virtnet_receive drivers/net/virtio_net.c:1298 [inline]
virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
napi_poll net/core/dev.c:6275 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341
__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/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5350 Comm: syz-fuzzer Not tainted 4.19.0+ #135
Mem-Info:
active_anon:33664 inactive_anon:131 isolated_anon:0
active_file:14 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:7884 slab_unreclaimable:1514760
mapped:16403 shmem:138 pagetables:483 bounce:0
free:13789 free_pcp:261 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:134656kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB 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:25268kB min:30052kB low:37564kB high:45076kB active_anon:7288kB 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[]:
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
0
0
3503 3503
Node 0
Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:127368kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4928kB pagetables:1932kB bounce:0kB free_pcp:796kB local_pcp:260kB 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:
3*4kB
(UM)
283*8kB (UM)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
189*16kB (UM)
116*32kB (M)
38*64kB
(M) 10*128kB
(M) 5*256kB
(UM)
4*512kB (UM)
__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*1024kB (M)
3*2048kB (UM)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
0*4096kB = 25268kB
____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
Normal: 191*4kB
(UME)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
564*8kB (UMEH)
243*16kB
(UMEH) 85*32kB
(UM) 2*64kB
(U)
0*128kB
2*256kB (UH)
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
1*512kB (U)
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
1*1024kB (U)
0*2048kB 0*4096kB
= 14060kB
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
168 total pagecache pages
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 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:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c1826220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87bc580 RBX: 1ffffffff12a3e8e RCX: 1ffff1003b0f79ce
RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
RBP: ffff8801c18262c8 R08: ffff8801d87bce70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87bc580 R12: 1ffff10038304c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
__do_fault+0x100/0x6b0 mm/memory.c:2993
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420481ab8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 000000c420088380 RCX: 000000000045ddf3
RDX: 000000c420481ac0 RSI: 000000c420481bf0 RDI: 0000000000000011
RBP: 000000c42032de30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4281ee338
R13: 000000000000001f R14: 0000000000b80960 R15: 000000000000dfc9
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135
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-fuzzer: 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-fuzzer cpuset=
/
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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
__build_skb+0xab/0x430 net/core/skbuff.c:281
__napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
napi_alloc_skb include/linux/skbuff.h:2696 [inline]
page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009
virtnet_receive drivers/net/virtio_net.c:1298 [inline]
virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385
napi_poll net/core/dev.c:6275 [inline]
net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341
__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/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5350 Comm: syz-fuzzer Not tainted 4.19.0+ #135
Mem-Info:
active_anon:33664 inactive_anon:131 isolated_anon:0
active_file:14 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:7884 slab_unreclaimable:1514760
mapped:16403 shmem:138 pagetables:483 bounce:0
free:13789 free_pcp:261 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:134656kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65612kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB 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:25268kB min:30052kB low:37564kB high:45076kB active_anon:7288kB 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[]:
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
0 0
3503 3503
Node 0
Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:127368kB inactive_anon:524kB active_file:56kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4928kB pagetables:1932kB bounce:0kB free_pcp:796kB local_pcp:260kB 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: 3*4kB
(UM)
283*8kB (UM)
189*16kB (UM)
116*32kB
(M) 38*64kB
(M) 10*128kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
5*256kB (UM)
4*512kB (UM)
3*1024kB (M)
3*2048kB
(UM) 0*4096kB
= 25268kB
Node 0
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
Normal: 191*4kB
(UME)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
564*8kB (UMEH)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
243*16kB (UMEH)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
86*32kB (UM)
2*64kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(U)
0*128kB 2*256kB
(UH)
1*512kB (U)
1*1024kB (U)
0*2048kB 0*4096kB
= 14092kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
alloc_skb include/linux/skbuff.h:997 [inline]
new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381
168 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
1965979 pages RAM
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0 pages HighMem/MovableOnly
342867 pages reserved
0 pages cma reserved
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 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:dump_stack+0x358/0x39d lib/dump_stack.c:118
Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
RSP: 0000:ffff8801c1826220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d87bc580 RBX: 1ffffffff12a3e8e RCX: 1ffff1003b0f79ce
RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
RBP: ffff8801c18262c8 R08: ffff8801d87bce70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d87bc580 R12: 1ffff10038304c4c
R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
dump_header+0x27b/0xf72 mm/oom_kill.c:441
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
__do_fault+0x100/0x6b0 mm/memory.c:2993
do_read_fault mm/memory.c:3405 [inline]
do_fault mm/memory.c:3505 [inline]
handle_pte_fault mm/memory.c:3736 [inline]
__handle_mm_fault+0x307c/0x5920 mm/memory.c:3860
handle_mm_fault+0x54f/0xc70 mm/memory.c:3897
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136
RIP: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420481ab8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 000000c420088380 RCX: 000000000045ddf3
RDX: 000000c420481ac0 RSI: 000000c420481bf0 RDI: 0000000000000011
RBP: 000000c42032de30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4281ee338
R13: 000000000000001f R14: 0000000000b80960 R15: 000000000000dfc9
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #135
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-fuzzer: 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-fuzzer cpuset=
/
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
__do_cache_alloc mm/slab.c:3356 [inline]
slab_alloc mm/slab.c:3384 [inline]
kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
__build_skb+0xab/0x430 net/core/skbuff.c:281
__napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482
napi_alloc_skb include/linux/skbuff.h:2696 [inline]
page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377
receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900
receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009