RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000
R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003
CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 0-...!: (1 GPs behind) idle=9ea/1/0x4000000000000002 softirq=13077/13078 fqs=211
__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:
(detected by 1, t=10540 jiffies, g=15149, q=9)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:write_comp_data+0x1/0x70 kernel/kcov.c:116
Code: b5 4c 43 00 e9 a6 fc ff ff 4c 89 f7 e8 08 4c 43 00 e9 6f fc ff ff e8 5e ef c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <65> 4c 8b 04 25 40 ee 01 00 65 8b 05 ff 1e 83 7e a9 00 01 1f 00 48
RSP: 0000:ffff8801dac06258 EFLAGS: 00000046
RAX: 0000000000000007 RBX: ffffffff882c2fcc RCX: ffffffff87bc30f9
RDX: 000000000000005d RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8801dac06268 R08: ffff8801ce2862c0 R09: fffffbfff12f29d4
R10: fffffbfff12f29d4 R11: ffffffff89794ea3 R12: 000000000000005d
R13: ffff8801dac06398 R14: ffff8801dac062f8 R15: ffffffff882c2fcc
FS: 00007fa79edc7700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045db60 CR3: 00000001a237b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
format_decode+0x199/0xaf0 lib/vsprintf.c:2028
vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245
snprintf+0xae/0xe0 lib/vsprintf.c:2426
print_time kernel/printk/printk.c:1223 [inline]
print_prefix+0x38e/0x3f0 kernel/printk/printk.c:1248
msg_print_text+0x83/0x1d0 kernel/printk/printk.c:1271
console_unlock+0x673/0x11a0 kernel/printk/printk.c:2381
vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
printk+0xa7/0xcf kernel/printk/printk.c:2000
printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+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
__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
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 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282
RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 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+0xac1/0x1000
? bpf_test_init.isra.
Lost 19 message(s)!
rcu: rcu_preempt kthread starved for 9527 jiffies! g15149 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt R
running task
22872 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
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
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
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
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
/
mems_allowed=0
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282
RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 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+0xac1/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93
Mem-Info:
active_anon:39892 inactive_anon:371 isolated_anon:0
active_file:19 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8825 slab_unreclaimable:1466765
mapped:49347 shmem:379 pagetables:672 bounce:0
free:13588 free_pcp:232 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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
2815
6318
6318
Node 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
0
3503
3503
Node 0
Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
0
0
0 0
Node 0
DMA: 1*4kB
(U)
0*8kB
0*16kB
1*32kB (U)
2*64kB
(U) 1*128kB
(U)
1*256kB
(U)
0*512kB 1*1024kB
(U) 1*2048kB
(M) 3*4096kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M)
= 15908kB
Node 0
DMA32:
4*4kB
(ME)
3*8kB (ME)
3*16kB
__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
(UME) 3*32kB
(UME) 4*64kB
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UME)
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*128kB (UME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*256kB
(UME)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*512kB
(ME) 4*1024kB
(ME) 2*2048kB
(ME) 3*4096kB
(M)
= 24632kB
Node 0
Normal: 959*4kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(ME)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
437*8kB (UME)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
173*16kB
(UME)
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
89*32kB (UME)
14*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13844kB
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
413 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343323 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.852 msecs
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor5 cpuset=
syz5
mems_allowed=0
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01
RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe
RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282
RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080
R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237
pr_cont_cgroup_name include/linux/cgroup.h:652 [inline]
cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670
dump_header+0x276/0xf72 mm/oom_kill.c:440
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7f1f893111fd
Code: Bad RIP value.
RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293
RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd
RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000
R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003
CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
rsyslogd cpuset=
/
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
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 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282
RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 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+0xac1/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93
Mem-Info:
active_anon:39892 inactive_anon:371 isolated_anon:0
active_file:19 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8825 slab_unreclaimable:1466765
mapped:49347 shmem:379 pagetables:672 bounce:0
free:13588 free_pcp:232 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB 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+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
2815 6318
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318
Node 0
DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
0 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
3503 3503
Node 0
Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
0 0
0
Node 0
DMA: 1*4kB
(U)
0*8kB 0*16kB
1*32kB
(U) 2*64kB
(U)
1*128kB (U)
1*256kB
(U)
0*512kB
1*1024kB
(U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32:
4*4kB
(ME)
3*8kB (ME)
3*16kB (UME)
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*32kB (UME)
4*64kB (UME)
5*128kB (UME)
4*256kB (UME)
4*512kB (ME)
4*1024kB (ME)
2*2048kB (ME)
3*4096kB (M)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
= 24632kB
Node 0
Normal:
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
959*4kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(ME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
437*8kB (UME)
173*16kB
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UME)
89*32kB (UME)
14*64kB
(UM)
0*128kB
0*256kB
0*512kB
0*1024kB 0*2048kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
0*4096kB
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 13844kB
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
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
413 total pagecache pages
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
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
343323 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor5 cpuset=
syz5
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
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01
RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe
RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282
RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080
R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237
pr_cont_cgroup_name include/linux/cgroup.h:652 [inline]
cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670
dump_header+0x276/0xf72 mm/oom_kill.c:440
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7f1f893111fd
Code: Bad RIP value.
RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293
RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd
RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000
R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003
CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93
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:
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
rsyslogd cpuset=
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
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
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 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282
RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 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+0xac1/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93
Mem-Info:
active_anon:39892 inactive_anon:371 isolated_anon:0
active_file:19 inactive_file:15 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:8825 slab_unreclaimable:1466765
mapped:49347 shmem:379 pagetables:672 bounce:0
free:13588 free_pcp:232 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB 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+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]:
0 2815
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
6318 6318
Node 0
DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
__alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
0 3503
3503
Node 0
Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
0 0
0
0
Node 0 DMA:
1*4kB
(U) 0*8kB
0*16kB 1*32kB
(U)
2*64kB (U)
1*128kB
(U)
1*256kB
(U) 0*512kB
1*1024kB (U)
1*2048kB (M)
3*4096kB (M)
= 15908kB
Node 0
DMA32:
4*4kB
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(ME)
3*8kB (ME)
3*16kB (UME)
3*32kB
(UME)
4*64kB (UME)
5*128kB
(UME)
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
kmem_getpages mm/slab.c:1409 [inline]
cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
4*256kB
(UME)
fallback_alloc+0x203/0x2e0 mm/slab.c:3219
4*512kB
____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(ME)
slab_alloc_node mm/slab.c:3327 [inline]
kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*1024kB
(ME)
__alloc_skb+0x119/0x770 net/core/skbuff.c:193
2*2048kB (ME)
3*4096kB
(M)
= 24632kB
Node 0
Normal:
959*4kB
(ME)
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
437*8kB (UME)
ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
173*16kB (UME)
addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
89*32kB (UME)
14*64kB
call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UM)
0*128kB 0*256kB
0*512kB
0*1024kB
0*2048kB
0*4096kB
= 13844kB
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
413 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
expire_timers kernel/time/timer.c:1363 [inline]
__run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0 pages HighMem/MovableOnly
343323 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor5 cpuset=
syz5
mems_allowed=0
run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
__do_softirq+0x30b/0xad8 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x17f/0x1c0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184
Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01
RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe
RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282
RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080
R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000
spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237
pr_cont_cgroup_name include/linux/cgroup.h:652 [inline]
cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670
dump_header+0x276/0xf72 mm/oom_kill.c:440
oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
__alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
__alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
__alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
alloc_pages include/linux/gfp.h:509 [inline]
__page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
page_cache_read mm/filemap.c:2385 [inline]
filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
__do_fault+0x100/0x6b0 mm/memory.c:3240
do_read_fault mm/memory.c:3652 [inline]
do_fault mm/memory.c:3752 [inline]
handle_pte_fault mm/memory.c:3983 [inline]
__handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
__do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7f1f893111fd
Code: Bad RIP value.
RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293
RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd
RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000
R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420
R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003
CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
rsyslogd cpuset=
/
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
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 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 92 73
RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282
RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 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+0xac1/0x1000