0 pages HighMem/MovableOnly
342307 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)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
syz-fuzzer cpuset=
/
rcu:
mems_allowed=0
(detected by 1, t=10688 jiffies, g=50325, q=39)
CPU: 0 PID: 5837 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
rcu: All QSes seen, last rcu_preempt kthread activity 10552 (4294984520-4294973968), jiffies_till_next_fqs=1, root ->qsmask 0x0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
syz-executor1 R
Call Trace:
running task
22896 23641 5867 0x80000004
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
Call Trace:
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
__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+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 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
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3819
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
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:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [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 36 c1 3e ff e9 c5 fe ff ff e8 8d 04 c3 ff 48 83 3d 6d 35 70 07 00 0f 84 3b 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 9a 9e
RSP: 0000:ffff880195ed7748 EFLAGS: 00000286
ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc90004290000
RDX: 0000000000000004 RSI: ffffffff8184c1d4 RDI: 0000000000000286
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
RBP: ffff880195ed77b0 R08: ffff8801cbcba680 R09: fffffbfff12811f4
R10: ffff880195ed6390 R11: ffffffff89408fa3 R12: 0000000000000000
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_3d1649e183dc2cc1+0x97b/0x1000
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 89 90 19 fa 48 83 3d 39 6d 89 01 00 75 07 e8 aa 30 d6 f9 0f 0b e8 a3 30 d6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 3d 90 19 fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d7fb6238 EFLAGS: 00000293
ORIG_RAX: ffffffffffffff13
RAX: ffff8801d865a300 RBX: 0000000000000293 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff87a884dd RDI: 0000000000000293
RBP: ffff8801d7fb6240 R08: ffff8801d865a300 R09: fffffbfff13d8af4
R10: fffffbfff13d8af4 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
dump_header+0x27b/0xf72 mm/oom_kill.c:441
rcu: rcu_preempt kthread starved for 10552 jiffies! g50325 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22784 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
schedule+0xfe/0x460 kernel/sched/core.c:3517
out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 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:3240
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
kworker/1:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/1:2 cpuset=
/
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
mems_allowed=0
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45d911
Code: Bad RIP value.
RSP: 002b:000000c420035f18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 000000000045d911
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5938 Comm: kworker/1:2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:52899 inactive_anon:587 isolated_anon:0
active_file:36 inactive_file:8 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9122 slab_unreclaimable:1469596
mapped:40979 shmem:594 pagetables:597 bounce:0
free:13594 free_pcp:296 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:2376kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: events_long br_fdb_cleanup
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
Call Trace:
lowmem_reserve[]:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
0
2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0 DMA32 free:24816kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0 Normal free:13652kB min:37352kB low:46688kB high:56024kB active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2388kB bounce:0kB free_pcp:936kB local_pcp:648kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
__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+0x91/0x8c0 mm/slab.c:2677
(U)
1*2048kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*4096kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M)
= 15908kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
Node 0
DMA32:
4*4kB
(M)
0*8kB
2*16kB
(M)
2*32kB
(M)
4*64kB
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
fdb_notify+0x9e/0x180 net/bridge/br_fdb.c:703
(M)
fdb_delete+0x803/0x1200 net/bridge/br_fdb.c:211
3*128kB
(M)
4*256kB
(UM)
3*512kB
(M)
3*1024kB
(UM)
3*2048kB
(M)
br_fdb_cleanup+0x4f0/0x630 net/bridge/br_fdb.c:362
3*4096kB
(M)
= 24816kB
Node 0
Normal:
process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
685*4kB
(UME)
322*8kB
(UME)
189*16kB
(UME)
104*32kB
(UME)
32*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13716kB
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
639 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
342307 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=
/
worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
mems_allowed=0
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 5837 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
kworker/1:2: 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
kworker/1:2 cpuset=/ mems_allowed=0
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 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+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 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:995 [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:1374
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+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 89 90 19 fa 48 83 3d 39 6d 89 01 00 75 07 e8 aa 30 d6 f9 0f 0b e8 a3 30 d6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 3d 90 19 fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d7fb6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d865a300 RBX: 0000000000000293 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff87a884dd RDI: 0000000000000293
RBP: ffff8801d7fb6240 R08: ffff8801d865a300 R09: fffffbfff13d8af4
R10: fffffbfff13d8af4 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
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+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 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:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45d911
Code: Bad RIP value.
RSP: 002b:000000c420035f18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 000000000045d911
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5938 Comm: kworker/1:2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:52899 inactive_anon:587 isolated_anon:0
active_file:36 inactive_file:8 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9122 slab_unreclaimable:1469596
mapped:40979 shmem:594 pagetables:597 bounce:0
free:13594 free_pcp:296 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:2376kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: events_long br_fdb_cleanup
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
Call Trace:
lowmem_reserve[]:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
0
2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0 DMA32 free:24816kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:13652kB min:37352kB low:46688kB high:56024kB active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2388kB bounce:0kB free_pcp:936kB local_pcp:648kB 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: 4*4kB (M) 0*8kB 2*16kB (M) 2*32kB (M) 4*64kB (M) 3*128kB
(M)
4*256kB (UM)
3*512kB
(M)
3*1024kB
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 24816kB
Node 0
Normal:
685*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(UME)
322*8kB
(UME)
189*16kB
(UME)
104*32kB
(UME)
__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+0x91/0x8c0 mm/slab.c:2677
32*64kB
(UM)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
0*128kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
0*256kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
0*512kB
0*1024kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
0*2048kB
0*4096kB
= 13716kB
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
639 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
fdb_notify+0x9e/0x180 net/bridge/br_fdb.c:703
1965979 pages RAM
fdb_delete+0x803/0x1200 net/bridge/br_fdb.c:211
0 pages HighMem/MovableOnly
342307 pages reserved
0 pages cma reserved
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
br_fdb_cleanup+0x4f0/0x630 net/bridge/br_fdb.c:362
process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 5837 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
kworker/1:2: 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
kworker/1:2 cpuset=
Call Trace:
/ mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 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+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 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:995 [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:1374
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+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 89 90 19 fa 48 83 3d 39 6d 89 01 00 75 07 e8 aa 30 d6 f9 0f 0b e8 a3 30 d6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 3d 90 19 fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d7fb6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d865a300 RBX: 0000000000000293 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff87a884dd RDI: 0000000000000293
RBP: ffff8801d7fb6240 R08: ffff8801d865a300 R09: fffffbfff13d8af4
R10: fffffbfff13d8af4 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
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+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 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:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45d911
Code: Bad RIP value.
RSP: 002b:000000c420035f18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 000000000045d911
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5938 Comm: kworker/1:2 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:52899 inactive_anon:587 isolated_anon:0
active_file:36 inactive_file:8 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9122 slab_unreclaimable:1469596
mapped:40979 shmem:594 pagetables:597 bounce:0
free:13594 free_pcp:296 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:2376kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Workqueue: events_long br_fdb_cleanup
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
Call Trace:
lowmem_reserve[]:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
0
2819
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:24816kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0
0
3503
3503
Node 0 Normal free:13652kB min:37352kB low:46688kB high:56024kB active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2388kB bounce:0kB free_pcp:936kB local_pcp:648kB 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*1024kB
(U)
1*2048kB
(M)
3*4096kB
(M)
= 15908kB
__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+0x91/0x8c0 mm/slab.c:2677
Node 0
DMA32:
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
4*4kB
____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
0*8kB
2*16kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*32kB
(M)
4*64kB
(M)
3*128kB
(M)
4*256kB
(UM)
3*512kB
(M)
alloc_skb include/linux/skbuff.h:995 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
fdb_notify+0x9e/0x180 net/bridge/br_fdb.c:703
3*1024kB
fdb_delete+0x803/0x1200 net/bridge/br_fdb.c:211
(UM)
3*2048kB
(M)
3*4096kB
(M)
= 24816kB
Node 0
Normal:
685*4kB
(UME)
322*8kB
br_fdb_cleanup+0x4f0/0x630 net/bridge/br_fdb.c:362
(UME)
189*16kB
(UME)
104*32kB
(UME)
process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
32*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13716kB
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
639 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
342307 pages reserved
0 pages cma reserved
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
worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
CPU: 0 PID: 5837 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #61
syz-executor1: 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-executor1 cpuset=
Call Trace:
syz1
mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 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+0x91/0x8c0 mm/slab.c:2677
fallback_alloc+0x203/0x2e0 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:995 [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:1374
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+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 89 90 19 fa 48 83 3d 39 6d 89 01 00 75 07 e8 aa 30 d6 f9 0f 0b e8 a3 30 d6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 3d 90 19 fa 4c 8b 45 d0 e9
RSP: 0018:ffff8801d7fb6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d865a300 RBX: 0000000000000293 RCX: ffffffff8184c1ba
RDX: 0000000000000000 RSI: ffffffff87a884dd RDI: 0000000000000293
RBP: ffff8801d7fb6240 R08: ffff8801d865a300 R09: fffffbfff13d8af4
R10: fffffbfff13d8af4 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
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+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 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:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45d911
Code: Bad RIP value.
RSP: 002b:000000c420035f18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 000000000045d911
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000c420035f28 R08: 000000c420035f18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 23641 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #61
Mem-Info:
active_anon:52899 inactive_anon:587 isolated_anon:0
active_file:36 inactive_file:8 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9122 slab_unreclaimable:1469596
mapped:40979 shmem:594 pagetables:597 bounce:0
free:13594 free_pcp:296 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:2376kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 196608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0
Call Trace:
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+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:24816kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB 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:13652kB min:37352kB low:46688kB high:56024kB active_anon:211596kB inactive_anon:2348kB active_file:144kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2388kB bounce:0kB free_pcp:936kB local_pcp:648kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0 DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(U)