INFO: rcu detected stall in do_exit
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syzbot
Sep 10, 2018, 3:21:05 AM9/10/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=14cc2869400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=7d7504991b8332f40080
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org david...@cavium.com
ebie...@xmission.com kees...@chromium.org linux-...@vger.kernel.org
li...@dominikbrodowski.net sudipm.m...@gmail.com
vi...@zeniv.linux.org.uk]
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+7d7504...@syzkaller.appspotmail.com
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
rcu: 0-...!: (1 GPs behind) idle=5fa/1/0x4000000000000004
softirq=12683/12684 fqs=2
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu:
(t=10715 jiffies g=15109 q=7)
rcu: rcu_preempt kthread starved for 10242 jiffies! g15109 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
23064 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
NMI backtrace for cpu 0
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
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 2817
6321
6321
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
Node 0
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]:
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
0
0
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
3503
3503
Node 0
Normal free:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
Node 0 DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M) 3*4096kB
(M)
= 15908kB
Node 0
DMA32:
3*4kB
(UM)
2*8kB
(U)
5*16kB
(UM)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
2*32kB
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(UM)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
3*64kB (UM)
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
4*128kB (UM)
2*256kB
(M)
4*512kB
(UM)
3*1024kB
(M)
1*2048kB
(U)
4*4096kB
(M)
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
= 24940kB
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
Node 0
Normal:
667*4kB
(UMEH)
358*8kB
(UMEH)
191*16kB (UMEH)
81*32kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
(UMEH)
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
30*64kB
Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff
48 83 3d 5c 6f 90 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 42
(UMH)
RSP: 0000:ffff8801dae07450 EFLAGS: 00000282
1*128kB (M)
ORIG_RAX: ffffffffffffff13
3*256kB
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10033f2e5a9
(UH)
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
0*512kB
RBP: ffff8801dae074c0 R08: ffff88019f972d48 R09: 0000000000000002
0*1024kB
R10: 0000000000000000 R11: ffff88019f972480 R12: ffff8801d9be7680
0*2048kB 0*4096kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
= 13996kB
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
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
414 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
342744 pages reserved
0 pages cma reserved
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
syz-executor1 cpuset=
/
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
mems_allowed=0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
syz-executor0 cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz0
mems_allowed=0
warn_alloc.cold.118+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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB 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
<IRQ>
lowmem_reserve[]:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
0
2817 6321
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6321
Node 0 DMA32 free:24940kB min:30048kB low:37560kB high:45072kB
active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB
mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0 3503
3503
Node 0
Normal free:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB
lowmem_reserve[]: 0
0
0 0
Node 0
DMA:
1*4kB
(U)
0*8kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*16kB 1*32kB
(U)
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+0x91/0x8c0 mm/slab.c:2677
1*1024kB
(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:
3*4kB
(UM)
2*8kB
(U)
5*16kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
2*32kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
3*64kB
(UM)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
4*128kB
(UM)
2*256kB
(M)
4*512kB
(UM) 3*1024kB
(M)
1*2048kB
(U)
4*4096kB
(M)
= 24940kB
Node 0
Normal:
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
667*4kB
(UMEH)
358*8kB (UMEH)
191*16kB (UMEH)
81*32kB
(UMEH)
30*64kB (UMH)
1*128kB
(M)
3*256kB
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB = 13996kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
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
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
414 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
syz-executor1 cpuset=
/
mems_allowed=0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
0
2817
6321
6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB 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
Node 0
DMA32: 3*4kB
__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
(UM)
2*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(U)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*16kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*32kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
3*64kB (UM)
4*128kB
(UM)
2*256kB
(M)
4*512kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
1*2048kB
(U)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
4*4096kB
(M)
= 24940kB
Node 0
Normal: 667*4kB
(UMEH)
358*8kB
(UMEH)
191*16kB
(UMEH)
81*32kB (UMEH)
30*64kB
(UMH)
1*128kB
(M)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
3*256kB
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13996kB
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
414 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
342744 pages reserved
0 pages cma reserved
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
/
mems_allowed=0
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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
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.118+0xb7/0x1bd mm/page_alloc.c:3426
2817
6321
6321
Node 0
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB 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:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*512kB
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
3*4kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*8kB
(U) 5*16kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 2*32kB
(UM)
3*64kB
(UM)
4*128kB
(UM) 2*256kB
(M)
4*512kB (UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB (M)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
1*2048kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(U)
4*4096kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M)
= 24940kB
Node 0
Normal:
667*4kB
(UMEH)
358*8kB (UMEH)
191*16kB
(UMEH)
81*32kB (UMEH)
30*64kB (UMH)
1*128kB
(M)
3*256kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB = 13996kB
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
414 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
342744 pages reserved
0 pages cma reserved
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
syz-executor1 cpuset=
/
mems_allowed=0
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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with
syzbot.
syzbot found the following crash on:
HEAD commit: 28619527b8a7 Merge git://git.kernel.org/pub/scm/linux/kern..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=14cc2869400000
kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6
dashboard link: https://syzkaller.appspot.com/bug?extid=7d7504991b8332f40080
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org david...@cavium.com
ebie...@xmission.com kees...@chromium.org linux-...@vger.kernel.org
li...@dominikbrodowski.net sudipm.m...@gmail.com
vi...@zeniv.linux.org.uk]
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+7d7504...@syzkaller.appspotmail.com
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
rcu: 0-...!: (1 GPs behind) idle=5fa/1/0x4000000000000004
softirq=12683/12684 fqs=2
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu:
(t=10715 jiffies g=15109 q=7)
rcu: rcu_preempt kthread starved for 10242 jiffies! g15109 f0x0
RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
23064 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2825 [inline]
__schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
schedule+0xfe/0x460 kernel/sched/core.c:3517
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
NMI backtrace for cpu 0
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
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 2817
6321
6321
nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
Node 0
nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]:
trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
0
0
print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
3503
3503
Node 0
Normal free:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB
lowmem_reserve[]:
0
0
0
0
check_cpu_stall kernel/rcu/tree.c:1550 [inline]
__rcu_pending kernel/rcu/tree.c:3276 [inline]
rcu_pending kernel/rcu/tree.c:3319 [inline]
rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
Node 0 DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB
(U)
2*64kB
(U)
1*128kB
(U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB
(M) 3*4096kB
(M)
= 15908kB
Node 0
DMA32:
3*4kB
(UM)
2*8kB
(U)
5*16kB
(UM)
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
2*32kB
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
(UM)
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
3*64kB (UM)
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
4*128kB (UM)
2*256kB
(M)
4*512kB
(UM)
3*1024kB
(M)
1*2048kB
(U)
4*4096kB
(M)
hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
= 24940kB
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
Node 0
Normal:
667*4kB
(UMEH)
358*8kB
(UMEH)
191*16kB (UMEH)
81*32kB
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
(UMEH)
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788
[inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
30*64kB
Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff
48 83 3d 5c 6f 90 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 42
(UMH)
RSP: 0000:ffff8801dae07450 EFLAGS: 00000282
1*128kB (M)
ORIG_RAX: ffffffffffffff13
3*256kB
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10033f2e5a9
(UH)
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
0*512kB
RBP: ffff8801dae074c0 R08: ffff88019f972d48 R09: 0000000000000002
0*1024kB
R10: 0000000000000000 R11: ffff88019f972480 R12: ffff8801d9be7680
0*2048kB 0*4096kB
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
= 13996kB
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
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
414 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
342744 pages reserved
0 pages cma reserved
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
syz-executor1 cpuset=
/
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
mems_allowed=0
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
<IRQ>
syz-executor0 cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz0
mems_allowed=0
warn_alloc.cold.118+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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB 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
<IRQ>
lowmem_reserve[]:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
0
2817 6321
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6321
Node 0 DMA32 free:24940kB min:30048kB low:37560kB high:45072kB
active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB
unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB
mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0 3503
3503
Node 0
Normal free:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB
lowmem_reserve[]: 0
0
0 0
Node 0
DMA:
1*4kB
(U)
0*8kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*16kB 1*32kB
(U)
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+0x91/0x8c0 mm/slab.c:2677
1*1024kB
(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:
3*4kB
(UM)
2*8kB
(U)
5*16kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
2*32kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(UM)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
3*64kB
(UM)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
4*128kB
(UM)
2*256kB
(M)
4*512kB
(UM) 3*1024kB
(M)
1*2048kB
(U)
4*4096kB
(M)
= 24940kB
Node 0
Normal:
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
667*4kB
(UMEH)
358*8kB (UMEH)
191*16kB (UMEH)
81*32kB
(UMEH)
30*64kB (UMH)
1*128kB
(M)
3*256kB
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB = 13996kB
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
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
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
414 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
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
syz-executor1 cpuset=
/
mems_allowed=0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
<IRQ>
Node 0
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]:
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
0
2817
6321
6321
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB 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:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB 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
Node 0
DMA32: 3*4kB
__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
(UM)
2*8kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(U)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*16kB
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM)
2*32kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM)
3*64kB (UM)
4*128kB
(UM)
2*256kB
(M)
4*512kB
(UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
1*2048kB
(U)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
4*4096kB
(M)
= 24940kB
Node 0
Normal: 667*4kB
(UMEH)
358*8kB
(UMEH)
191*16kB
(UMEH)
81*32kB (UMEH)
30*64kB
(UMH)
1*128kB
(M)
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
3*256kB
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13996kB
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
414 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
342744 pages reserved
0 pages cma reserved
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
/
mems_allowed=0
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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
</IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:798 [inline]
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline]
RIP: 0010:_raw_write_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:336
Code: 52 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 ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 <bf> 01 00 00 00
e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b
RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000
RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8
RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0
R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00
exit_notify kernel/exit.c:733 [inline]
do_exit+0x11ef/0x2610 kernel/exit.c:887
do_group_exit+0x177/0x440 kernel/exit.c:970
get_signal+0x8b0/0x1980 kernel/signal.c:2513
do_signal+0x9c/0x21e0 arch/x86/kernel/signal.c:816
exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410e7a
Code: Bad RIP value.
RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a
RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff
RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51
Mem-Info:
active_anon:43308 inactive_anon:372 isolated_anon:0
active_file:9 inactive_file:26 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8855 slab_unreclaimable:1462387
mapped:57522 shmem:379 pagetables:727 bounce:0
free:13711 free_pcp:202 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? yes
Call Trace:
Node 0
<IRQ>
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.118+0xb7/0x1bd mm/page_alloc.c:3426
2817
6321
6321
Node 0
DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB 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:13996kB min:37364kB low:46704kB high:56044kB
active_anon:169136kB inactive_anon:1488kB active_file:36kB
inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB
managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB
bounce:0kB free_pcp:808kB local_pcp:692kB 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)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*512kB
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
3*4kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*8kB
(U) 5*16kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 2*32kB
(UM)
3*64kB
(UM)
4*128kB
(UM) 2*256kB
(M)
4*512kB (UM)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB (M)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
1*2048kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
(U)
4*4096kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(M)
= 24940kB
Node 0
Normal:
667*4kB
(UMEH)
358*8kB (UMEH)
191*16kB
(UMEH)
81*32kB (UMEH)
30*64kB (UMH)
1*128kB
(M)
3*256kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(UH)
0*512kB
0*1024kB
0*2048kB
0*4096kB = 13996kB
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
414 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
342744 pages reserved
0 pages cma reserved
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
syz-executor1 cpuset=
/
mems_allowed=0
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
</IRQ>
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 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48
83 3d bd 4f 90 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 42
RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282
RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
____bpf_clone_redirect net/core/filter.c:2075 [inline]
bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
bpf_prog_a2323609a0d1adb1+0x624/0x1000
CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
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:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|
__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor0 cpuset=
syz0
mems_allowed=0
__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]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
---
This bug is generated by a bot. It may contain errors.
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Dmitry Vyukov
Sep 11, 2018, 5:36:11 AM9/11/18
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
looks like totally corrupted kernel output
#syz invalid
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