RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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: (detected by 1, t=10502 jiffies, g=361853, q=31)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
rcu: All QSes seen, last rcu_preempt kthread activity 10264 (4295143838-4295133574), jiffies_till_next_fqs=1, root ->qsmask 0x0
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog R running task 26184 7846 1 0x8000000a
Call Trace:
sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337
print_other_cpu_stall kernel/rcu/tree.c:1430 [inline]
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3293 [inline]
rcu_pending kernel/rcu/tree.c:3336 [inline]
rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
update_process_times+0x2a/0x70 kernel/time/timer.c:1650
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
__run_hrtimer kernel/time/hrtimer.c:1465 [inline]
__hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3334 [inline]
RIP: 0010:kmem_cache_alloc_node+0x2ee/0x3b0 mm/slab.c:3647
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Code: fe ff ff 48 f7 04 24 00 02 00 00 0f 84 1f fe ff ff e8 86 9e cf ff 48 83 3d c6 77 59 08 00 0f 84 aa 00 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 e9 1a fe ff ff 65 ff 05 71 d4 69 7e 48 8b 05 e2 f0
RSP: 0000:ffff8880ba107b68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11011ed89dc
RDX: 0000000000000000 RSI: ffff88808f6c4ec0 RDI: 0000000000000286
RBP: ffff8880b5b91d80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 0000000000480020 R15: ffff8880b5b91d80
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__do_softirq+0x265/0x980 kernel/softirq.c:292
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
lowmem_reserve[]: 0 2693 2695 2695 2695
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
lowmem_reserve[]: 0 0 0 0 0
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
lowmem_reserve[]: 0 0 0 0 0
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
28277 total pagecache pages
shrink_slab+0x16f/0x550 mm/vmscan.c:693
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
ksoftirqd/0 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
__vfs_read+0xf7/0x750 fs/read_write.c:416
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
__do_softirq+0x265/0x980 kernel/softirq.c:292
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
kthread+0x33f/0x460 kernel/kthread.c:259
rcu: rcu_preempt kthread starved for 10264 jiffies! g361853 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
rcu_preempt R running task 29208 10 2 0x80000000
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
kthread+0x33f/0x460 kernel/kthread.c:259
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
in:imklog cpuset=/ mems_allowed=0-1
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
28277 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
0 pages in swap cache
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Free swap = 0kB
Total swap = 0kB
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
ksoftirqd/0 cpuset=/ mems_allowed=0-1
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
28277 total pagecache pages
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap = 0kB
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
28277 total pagecache pages
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
0 pages in swap cache
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Swap cache stats: add 0, delete 0, find 0/0
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Free swap = 0kB
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Total swap = 0kB
2097051 pages RAM
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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:
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
in:imklog cpuset=/ mems_allowed=0-1
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
28277 total pagecache pages
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap = 0kB
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
28277 total pagecache pages
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap = 0kB
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Total swap = 0kB
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
2097051 pages RAM
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
0 pages HighMem/MovableOnly
369649 pages reserved
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
28277 total pagecache pages
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
0 pages in swap cache
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
2097051 pages RAM
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
0 pages HighMem/MovableOnly
369649 pages reserved
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
28277 total pagecache pages
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap = 0kB
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/0 cpuset=/ mems_allowed=0-1
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
shrink_zones mm/vmscan.c:2977 [inline]
do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
__perform_reclaim mm/page_alloc.c:3800 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
__alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
syslog_print kernel/printk/printk.c:1337 [inline]
do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
do_syslog+0x49/0x60 kernel/printk/printk.c:1486
kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
__vfs_read+0xf7/0x750 fs/read_write.c:416
vfs_read+0x194/0x3c0 fs/read_write.c:452
ksys_read+0x12b/0x2a0 fs/read_write.c:579
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b454c22d
Code: Bad RIP value.
RSP: 002b:00007f32b1ee8580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32b454c22d
RDX: 0000000000001fa0 RSI: 00007f32b1ee8da0 RDI: 0000000000000004
RBP: 00005630190519d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f32b1ee8da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f32b1ee8e20
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0
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+0x1fc/0x2ef lib/dump_stack.c:118
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 7846 Comm: in:imklog Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:175849 inactive_anon:24736 isolated_anon:0
active_file:13 inactive_file:13 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:18482 slab_unreclaimable:1431264
mapped:23476 shmem:28251 pagetables:984 bounce:0
free:11077 free_pcp:541 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93904kB dirty:0kB writeback:0kB shmem:113004kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 139264kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB 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
warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13256kB min:35996kB low:44992kB high:53988kB active_anon:703396kB inactive_anon:98944kB active_file:52kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7680kB pagetables:3936kB bounce:0kB free_pcp:488kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20184kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1676kB local_pcp:248kB free_cma:0kB
__alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
__alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 7*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1612*4kB (UME) 533*8kB (UMEH) 129*16kB (UME) 5*32kB (UMH) 1*64kB (H) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13256kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 10*4kB (ME) 6*8kB (UME) 4*16kB (M) 4*32kB (UM) 3*64kB (ME) 0*128kB 3*256kB (UME) 1*512kB (M) 2*1024kB (UM) 0*2048kB 4*4096kB (M) = 20184kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
slab_alloc_node mm/slab.c:3332 [inline]
kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
28277 total pagecache pages
alloc_skb include/linux/skbuff.h:995 [inline]
ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
0 pages in swap cache
ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Free swap = 0kB
Total swap = 0kB
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
ksoftirqd/0 cpuset=/ mems_allowed=0-1
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13
RSP: 0000:ffff8880a16df210 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88808f6c45c0 RBX: ffff8880af23e3c0 RCX: 1ffff11011ed89d8
RDX: 0000000000000000 RSI: ffffffff8189c311 RDI: ffff88808f6c4930
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882389cca80
R13: ffff8880a16df358 R14: ffff8880a16df35c R15: ffff8880b59f68c0
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
list_lru_count_one+0x41/0x360 mm/list_lru.c:189
list_lru_shrink_count include/linux/list_lru.h:123 [inline]
super_cache_count+0x1b4/0x2e0 fs/super.c:145
do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
shrink_slab+0x16f/0x550 mm/vmscan.c:693
shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
----------------
Code disassembly (best guess), 2 bytes skipped:
0: ff 48 f7 decl -0x9(%rax)
3: 04 24 add $0x24,%al
5: 00 02 add %al,(%rdx)
7: 00 00 add %al,(%rax)
9: 0f 84 1f fe ff ff je 0xfffffe2e
f: e8 86 9e cf ff callq 0xffcf9e9a
14: 48 83 3d c6 77 59 08 cmpq $0x0,0x85977c6(%rip) # 0x85977e2
1b: 00
1c: 0f 84 aa 00 00 00 je 0xcc
22: 48 8b 3c 24 mov (%rsp),%rdi
26: 57 push %rdi
27: 9d popfq
* 28: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction
2d: e9 1a fe ff ff jmpq 0xfffffe4c
32: 65 ff 05 71 d4 69 7e incl %gs:0x7e69d471(%rip) # 0x7e69d4aa
39: 48 rex.W
3a: 8b .byte 0x8b
3b: 05 .byte 0x5
3c: e2 f0 loop 0x2e