CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 0-...!: (1 GPs behind) idle=fc6/1/0x4000000000000004 softirq=218801/218802 fqs=1
__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
rcu:
(t=10569 jiffies g=53461 q=38)
rcu: rcu_preempt kthread starved for 10505 jiffies! g53461 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22392 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
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
NMI backtrace for cpu 0
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:192
Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
spin_unlock_irq include/linux/spinlock.h:379 [inline]
shrink_active_list+0x67b/0x1c20 mm/vmscan.c:2109
shrink_list mm/vmscan.c:2260 [inline]
shrink_node_memcg+0x803/0x18f0 mm/vmscan.c:2527
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
shrink_zones mm/vmscan.c:2974 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
__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: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c42001fea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
Mem-Info:
active_anon:51267 inactive_anon:1009 isolated_anon:0
active_file:15 inactive_file:12 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9188 slab_unreclaimable:1470939
mapped:49154 shmem:1016 pagetables:630 bounce:0
free:13694 free_pcp:0 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB 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
2819 6323
6323
nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
Node 0
DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
lowmem_reserve[]: 0
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
0 3503
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
3503
print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
Node 0
Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB (U)
2*64kB
check_cpu_stall kernel/rcu/tree.c:1408 [inline]
rcu_pending kernel/rcu/tree.c:2961 [inline]
rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
(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)
3*8kB
(UM) 3*16kB
(UM)
4*32kB
(UM)
5*64kB
(UM)
4*128kB
(M)
5*256kB
(UM)
5*512kB (UM)
4*1024kB
(UM) 2*2048kB
(M)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
3*4096kB
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(M)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
= 25360kB
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
Node 0
Normal:
783*4kB
(UMEH)
379*8kB
(MEH) 205*16kB
(UMEH)
93*32kB
(UMEH)
24*64kB
(UMH)
1*128kB
(H) 0*256kB
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
0*512kB 0*1024kB
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
0*2048kB 0*4096kB
= 14084kB
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
1070 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
Total swap = 0kB
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
1965979 pages RAM
Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 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 c2 3b
0 pages HighMem/MovableOnly
342293 pages reserved
RSP: 0000:ffff8801dae07268 EFLAGS: 00000286
0 pages cma reserved
ORIG_RAX: ffffffffffffff13
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10032c1f5be
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RBP: ffff8801dae072d8 R08: ffff8801960fadf0 R09: 0000000000000002
syz-fuzzer cpuset=
R10: 0000000000000000 R11: ffff8801960fa500 R12: ffff8801d9a05040
R13: ffff8801d9a05040 R14: 0000000000000000 R15: 0000000000000286
/
mems_allowed=0
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb87/0x1000
CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
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
Call Trace:
syz-executor1 cpuset=
syz1
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
mems_allowed=0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:192
Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
spin_unlock_irq include/linux/spinlock.h:379 [inline]
shrink_active_list+0x67b/0x1c20 mm/vmscan.c:2109
shrink_list mm/vmscan.c:2260 [inline]
shrink_node_memcg+0x803/0x18f0 mm/vmscan.c:2527
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
shrink_zones mm/vmscan.c:2974 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
__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: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c42001fea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:51267 inactive_anon:1009 isolated_anon:0
active_file:15 inactive_file:12 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9188 slab_unreclaimable:1470939
mapped:49154 shmem:1016 pagetables:630 bounce:0
free:13694 free_pcp:0 free_cma:0
Call Trace:
Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB 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
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0 DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
Node 0 DMA:
1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
1*1024kB
(U)
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
1*2048kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
3*4096kB
(M)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
= 15908kB
Node 0 DMA32:
2*4kB
(M)
3*8kB (UM)
3*16kB
(UM)
4*32kB
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
(UM)
5*64kB
(UM)
4*128kB
(M)
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
5*256kB
(UM)
5*512kB
br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
(UM) 4*1024kB
(UM)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
2*2048kB
(M)
3*4096kB
(M)
= 25360kB
Node 0
Normal:
783*4kB
(UMEH)
379*8kB
(MEH)
205*16kB
(UMEH)
93*32kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UMEH)
24*64kB
(UMH)
1*128kB
(H)
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB = 14084kB
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
1070 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
Free swap = 0kB
Total swap = 0kB
__do_softirq+0x308/0xb7e kernel/softirq.c:292
1965979 pages RAM
0 pages HighMem/MovableOnly
342293 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb87/0x1000
CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
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
Call Trace:
syz-executor1 cpuset=
syz1
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
mems_allowed=0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:192
Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
spin_unlock_irq include/linux/spinlock.h:379 [inline]
shrink_active_list+0x67b/0x1c20 mm/vmscan.c:2109
shrink_list mm/vmscan.c:2260 [inline]
shrink_node_memcg+0x803/0x18f0 mm/vmscan.c:2527
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
shrink_zones mm/vmscan.c:2974 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
__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: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c42001fea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
Mem-Info:
active_anon:51267 inactive_anon:1009 isolated_anon:0
active_file:15 inactive_file:12 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9188 slab_unreclaimable:1470939
mapped:49154 shmem:1016 pagetables:630 bounce:0
free:13694 free_pcp:0 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
0 2819
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
6323
6323
Node 0
DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]:
0
0
3503
3503
Node 0
Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB 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)
1*128kB
(U)
1*256kB (U)
0*512kB 1*1024kB
(U)
1*2048kB
__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
(M)
3*4096kB
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
(M)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
= 15908kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
Node 0
DMA32:
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*4kB
(M)
3*8kB
(UM)
3*16kB
(UM)
4*32kB
(UM)
alloc_skb include/linux/skbuff.h:997 [inline]
nlmsg_new include/net/netlink.h:654 [inline]
__br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
5*64kB (UM)
4*128kB
(M)
5*256kB (UM)
5*512kB
br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
(UM)
4*1024kB
(UM)
br_multicast_group_expired+0x1bc/0x610 net/bridge/br_multicast.c:253
2*2048kB
(M)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
3*4096kB
(M)
= 25360kB
Node 0
Normal:
783*4kB
(UMEH)
379*8kB
(MEH)
205*16kB
(UMEH) 93*32kB
(UMEH)
24*64kB
(UMH) 1*128kB
(H)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*256kB
0*512kB
0*1024kB
0*2048kB 0*4096kB
= 14084kB
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
1070 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
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
342293 pages reserved
0 pages cma reserved
__do_softirq+0x308/0xb7e kernel/softirq.c:292
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
mems_allowed=0
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b
RSP: 0000:ffff88018e207740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801960fad80 RDI: 0000000000000286
RBP: ffff88018e2077a8 R08: ffff8801960fa500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
____bpf_clone_redirect net/core/filter.c:2080 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067
bpf_prog_bebbfe2050753572+0xb87/0x1000
CPU: 1 PID: 5386 Comm: syz-fuzzer Not tainted 4.19.0+ #68
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
Call Trace:
syz-executor1 cpuset=
syz1
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
mems_allowed=0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
fallback_alloc+0x204/0x2e0 mm/slab.c:3219
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:997 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x308/0xb7e kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:771 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:192
Code: 31 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d a3 2b 79 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 c0 1c 9d f9 65 8b 05 19 23 49 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8a05cc0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88021fffdb80 RCX: 1ffff10037501dce
RDX: 1ffffffff1263ec8 RSI: 0000000000000000 RDI: ffffffff8931f640
RBP: ffff8801d8a05cc8 R08: ffff8801ba80ee70 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801ba80e580 R12: ffff8801d9a36a40
R13: ffff8801d8a06258 R14: 0000000000000093 R15: ffff8801d9a370d0
spin_unlock_irq include/linux/spinlock.h:379 [inline]
shrink_active_list+0x67b/0x1c20 mm/vmscan.c:2109
shrink_list mm/vmscan.c:2260 [inline]
shrink_node_memcg+0x803/0x18f0 mm/vmscan.c:2527
shrink_node+0x3bc/0x16b0 mm/vmscan.c:2742
shrink_zones mm/vmscan.c:2974 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3769 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline]
__alloc_pages_slowpath+0x9c4/0x2d70 mm/page_alloc.c:4191
__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: 0033:0x45ddf3
Code: Bad RIP value.
RSP: 002b:000000c42001fea0 EFLAGS: 00010202
RAX: ffffffffffffff92 RBX: 000000002fd92fda RCX: 000000000045ddf3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940
RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
R13: 000000c42a6f6420 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13124 Comm: syz-executor1 Not tainted 4.19.0+ #68
Mem-Info:
active_anon:51267 inactive_anon:1009 isolated_anon:0
active_file:15 inactive_file:12 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:9188 slab_unreclaimable:1470939
mapped:49154 shmem:1016 pagetables:630 bounce:0
free:13694 free_pcp:0 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:205068kB inactive_anon:4036kB active_file:60kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:4064kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB 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
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]:
0
warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
2819
6323
6323
Node 0
__alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
DMA32 free:25112kB min:30060kB low:37572kB high:45084kB active_anon:112kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:13756kB min:37352kB low:46688kB high:56024kB active_anon:204956kB inactive_anon:4036kB active_file:60kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5312kB pagetables:2520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: