CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
rcu: (detected by 1, t=10552 jiffies, g=93125, q=12)
Call Trace:
rcu: All QSes seen, last rcu_preempt kthread activity 10405 (4295010873-4295000468), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor3 R running task 22392 4363 6137 0x8010000c
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
Call Trace:
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
sched_show_task.cold.84+0x2b6/0x30a kernel/sched/core.c:5293
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
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+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [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
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
discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
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:1034 [inline]
smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
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:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
Code: 3f 7e 0f 85 32 ff ff ff e8 65 1b 3e ff e9 28 ff ff ff e8 0c 51 c3 ff 48 83 3d a4 99 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11030556549
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8881daf074c0 R08: ffff888182ab2a48 R09: 0000000000000002
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
R10: 0000000000000000 R11: ffff888182ab2180 R12: ffff8881d9beec00
R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000286
__do_softirq+0x308/0xb7e kernel/softirq.c:292
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:1005 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:rcu_is_watching+0x0/0x30 kernel/rcu/tree.c:293
Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
list_lru_shrink_count include/linux/list_lru.h:122 [inline]
super_cache_count+0x1b9/0x2e0 fs/super.c:145
do_shrink_slab+0x1b1/0xd30 mm/vmscan.c:465
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
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
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3683 [inline]
__kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5101
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__bpf_try_make_writable net/core/filter.c:1634 [inline]
bpf_try_make_writable net/core/filter.c:1640 [inline]
bpf_try_make_head_writable net/core/filter.c:1648 [inline]
____bpf_clone_redirect net/core/filter.c:2085 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2063
bpf_prog_12ab75334035c288+0xfcd/0x1000
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6292
__do_fault+0x100/0x6b0 mm/memory.c:2996
rcu: rcu_preempt kthread starved for 10405 jiffies! g93125 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 21384 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2831 [inline]
__schedule+0x8cf/0x21d0 kernel/sched/core.c:3472
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
schedule+0xfe/0x460 kernel/sched/core.c:3516
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:59588 inactive_anon:187 isolated_anon:0
active_file:13 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:10147 slab_unreclaimable:1445690
mapped:49154 shmem:244 pagetables:690 bounce:0
free:13773 free_pcp:174 free_cma:0
Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB 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:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB 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: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
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
271 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
342854 pages reserved
kthread+0x35a/0x440 kernel/kthread.c:246
0 pages cma reserved
aoe: skb alloc failure
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer cpuset=/ mems_allowed=0
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
syz-executor3 cpuset=syz3 mems_allowed=0
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
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [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:804
RIP: 0010:rcu_is_watching+0x0/0x30 kernel/rcu/tree.c:293
Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
list_lru_shrink_count include/linux/list_lru.h:122 [inline]
super_cache_count+0x1b9/0x2e0 fs/super.c:145
do_shrink_slab+0x1b1/0xd30 mm/vmscan.c:465
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6292
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
Mem-Info:
active_anon:59588 inactive_anon:187 isolated_anon:0
active_file:13 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:10147 slab_unreclaimable:1445690
mapped:49154 shmem:244 pagetables:690 bounce:0
free:13773 free_pcp:174 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0 2818 6321 6321
Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB 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: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
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
271 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
342854 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
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
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_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3683 [inline]
__kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5101
__bpf_try_make_writable net/core/filter.c:1634 [inline]
bpf_try_make_writable net/core/filter.c:1640 [inline]
bpf_try_make_head_writable net/core/filter.c:1648 [inline]
____bpf_clone_redirect net/core/filter.c:2085 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2063
bpf_prog_12ab75334035c288+0xfcd/0x1000
CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=syz3 mems_allowed=0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [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:804
RIP: 0010:rcu_is_watching+0x0/0x30 kernel/rcu/tree.c:293
Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
list_lru_shrink_count include/linux/list_lru.h:122 [inline]
super_cache_count+0x1b9/0x2e0 fs/super.c:145
do_shrink_slab+0x1b1/0xd30 mm/vmscan.c:465
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6292
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
Mem-Info:
active_anon:59588 inactive_anon:187 isolated_anon:0
active_file:13 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:10147 slab_unreclaimable:1445690
mapped:49154 shmem:244 pagetables:690 bounce:0
free:13773 free_pcp:174 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2818 6321 6321
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB 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: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
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
271 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
342854 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
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
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_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 e6 3d ff e9 28 ff ff ff e8 9a 1c c3 ff 48 83 3d 32 65 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a d5
RSP: 0000:ffff8881b53ef498 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888182ab2a00 RDI: 0000000000000286
RBP: ffff8881b53ef510 R08: ffff888182ab2180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800c40
R13: ffff8881da800c40 R14: 0000000000000000 R15: 0000000000000286
__do_kmalloc_node mm/slab.c:3683 [inline]
__kmalloc_node_track_caller+0x3c/0x70 mm/slab.c:3698
__kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5101
__bpf_try_make_writable net/core/filter.c:1634 [inline]
bpf_try_make_writable net/core/filter.c:1640 [inline]
bpf_try_make_head_writable net/core/filter.c:1648 [inline]
____bpf_clone_redirect net/core/filter.c:2085 [inline]
bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2063
bpf_prog_12ab75334035c288+0xfcd/0x1000
CPU: 0 PID: 6073 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #304
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
syz-executor3 cpuset=syz3 mems_allowed=0
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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:1005 [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:804
RIP: 0010:rcu_is_watching+0x0/0x30 kernel/rcu/tree.c:293
Code: 00 e9 7c ff ff ff 48 89 85 78 ff ff ff e8 c8 67 58 00 48 8b 85 78 ff ff ff e9 21 ff ff ff e8 17 7d de ff 0f 1f 80 00 00 00 00 <55> 48 89 e5 65 ff 05 65 7b 97 7e e8 80 fe ff ff 83 f0 01 65 ff 0d
RSP: 0000:ffff8881b2ac6008 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881c03a0640 RBX: 0000000000000000 RCX: ffffffff81b01bd3
RDX: 0000000000000000 RSI: ffffffff81b01cdd RDI: 0000000000000001
RBP: ffff8881b2ac60a0 R08: ffff8881c03a0640 R09: ffffed103b5c5b67
R10: ffffed103b5c5b67 R11: ffff8881dae2db3b R12: 1ffff11036558c03
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
list_lru_shrink_count include/linux/list_lru.h:122 [inline]
super_cache_count+0x1b9/0x2e0 fs/super.c:145
do_shrink_slab+0x1b1/0xd30 mm/vmscan.c:465
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
alloc_pages_current+0x173/0x350 mm/mempolicy.c:2080
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
page_cache_read mm/filemap.c:2312 [inline]
filemap_fault+0x1595/0x25f0 mm/filemap.c:2496
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6292
__do_fault+0x100/0x6b0 mm/memory.c:2996
do_read_fault mm/memory.c:3408 [inline]
do_fault mm/memory.c:3534 [inline]
handle_pte_fault mm/memory.c:3765 [inline]
__handle_mm_fault+0x3ea0/0x5be0 mm/memory.c:3889
handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
do_user_addr_fault arch/x86/mm/fault.c:1423 [inline]
__do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139
RIP: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c420023ea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000003b977b57 RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000000000000f R14: 0000000000b82ca0 R15: ffffffffffffb2aa
CPU: 1 PID: 4363 Comm: syz-executor3 Not tainted 4.20.0-rc3+ #304
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:59588 inactive_anon:187 isolated_anon:0
active_file:13 inactive_file:14 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:10147 slab_unreclaimable:1445690
mapped:49154 shmem:244 pagetables:690 bounce:0
free:13773 free_pcp:174 free_cma:0
Node 0 active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 221184kB 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
lowmem_reserve[]: 0 2818 6321 6321
warn_alloc.cold.116+0xb7/0x1bd mm/page_alloc.c:3423
Node 0 DMA32 free:25264kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 3503 3503
Node 0 Normal free:13920kB min:37364kB low:46704kB high:56044kB active_anon:238352kB inactive_anon:748kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7200kB pagetables:2760kB bounce:0kB free_pcp:448kB local_pcp:248kB 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
__alloc_pages_slowpath+0x2651/0x2de0 mm/page_alloc.c:4291
Node 0 DMA32: 2*4kB (M) 1*8kB (E) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 3*128kB (ME) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (UME) 2*4096kB (M) = 25264kB
Node 0 Normal: 1176*4kB (UME) 614*8kB (ME) 197*16kB (UME) 36*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13920kB
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
271 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
342854 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
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__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