syzbot


INFO: rcu detected stall in sys_newstat

Status: auto-closed as invalid on 2019/05/21 13:17
Subsystems: mm
[Documentation on labels]
First crash: 2007d, last: 1975d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_newstat (2) kernel 4 1599d 1600d 0/26 closed as invalid on 2019/12/04 14:14

Sample crash report:
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #69
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
rcu: 	1-...!: (82 ticks this GP) idle=b6a/1/0x4000000000000004 softirq=25274/25274 fqs=1 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
rcu: 	
 (t=10687 jiffies g=34993 q=7)
rcu: rcu_preempt kthread starved for 10585 jiffies! g34993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    
23224    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474
 schedule+0xfe/0x460 kernel/sched/core.c:3518
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350
NMI backtrace for cpu 1
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 27 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4dd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b34811c
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4de78 R08: ffff8801d9a408e0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848ccdf0 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 user_path_at_empty+0x2d/0x50 fs/namei.c:2608
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x129/0x210 fs/stat.c:185
 vfs_stat include/linux/fs.h:3113 [inline]
 __do_sys_newstat+0x8f/0x110 fs/stat.c:337
 __se_sys_newstat fs/stat.c:333 [inline]
 __x64_sys_newstat+0x54/0x80 fs/stat.c:333
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe6a64eec65
Code: Bad RIP value.
RSP: 002b:00007ffcf8eed798 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007ffcf8eed9d0 RCX: 00007fe6a64eec65
RDX: 00007ffcf8eed9d0 RSI: 00007ffcf8eed9d0 RDI: 0000000000407545
RBP: 0000000000000000 R08: 0000000000b87240 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf8eeded0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 15378 Comm: syz-executor3 Not tainted 4.19.0+ #69
Mem-Info:
active_anon:38204 inactive_anon:1457 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9297 slab_unreclaimable:1484780
 mapped:40979 shmem:1464 pagetables:573 bounce:0
 free:13742 free_pcp:337 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:152816kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:5856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0
 2820 6323
 6323
Node 0 
 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101
DMA32 free:25228kB min:30060kB low:37572kB high:45084kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
 0 3503
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 3503
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
Node 0 
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
Normal free:13832kB min:37352kB low:46688kB high:56024kB active_anon:152716kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2292kB bounce:0kB free_pcp:852kB local_pcp:604kB 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) 
 check_cpu_stall kernel/rcu/tree.c:1408 [inline]
 rcu_pending kernel/rcu/tree.c:2961 [inline]
 rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
1*128kB 
(U) 
1*256kB 
(U) 
0*512kB 
1*1024kB (U) 
1*2048kB (M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 5*4kB 
(UM) 
1*8kB 
(M) 
3*16kB 
(M) 4*32kB 
(UM) 3*64kB 
(UM) 4*128kB 
(UM) 
3*256kB 
(M) 
4*512kB (UM) 
3*1024kB 
(UM) 
3*2048kB 
(M) 
3*4096kB 
(M) 
= 25228kB
Node 0 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
Normal: 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
810*4kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(UME) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
486*8kB 
(UME) 
253*16kB (UME) 
84*32kB 
(UM) 
0*64kB 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
0*4096kB 
= 13864kB
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
1489 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342292 pages reserved
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
0 pages cma reserved
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Code: 40 7e 0f 85 32 ff ff ff e8 55 92 3e ff e9 28 ff ff ff e8 ec c3 c3 ff 48 83 3d c4 0c 70 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 82 5c
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RSP: 0000:ffff8801daf07450 EFLAGS: 00000286
init cpuset=
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100339325f1
/
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
RBP: ffff8801daf074c0 R08: ffff88019c992f88 R09: 0000000000000002
 mems_allowed=0
R10: 0000000000000000 R11: ffff88019c9926c0 R12: ffff8801d9a05040
R13: ffff8801d9a05040 R14: 0000000000000000 R15: 0000000000000286
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 5d 3e ff e9 28 ff ff ff e8 8a 8f c3 ff 48 83 3d 62 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 82 5c
RSP: 0000:ffff8801976cf4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019c992f40 RDI: 0000000000000286
RBP: ffff8801976cf518 R08: ffff88019c9926c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0x49b/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #69
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
syz-executor3 cpuset=
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
syz3
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 mems_allowed=0
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 27 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4dd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b34811c
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4de78 R08: ffff8801d9a408e0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848ccdf0 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 user_path_at_empty+0x2d/0x50 fs/namei.c:2608
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x129/0x210 fs/stat.c:185
 vfs_stat include/linux/fs.h:3113 [inline]
 __do_sys_newstat+0x8f/0x110 fs/stat.c:337
 __se_sys_newstat fs/stat.c:333 [inline]
 __x64_sys_newstat+0x54/0x80 fs/stat.c:333
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe6a64eec65
Code: Bad RIP value.
RSP: 002b:00007ffcf8eed798 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007ffcf8eed9d0 RCX: 00007fe6a64eec65
RDX: 00007ffcf8eed9d0 RSI: 00007ffcf8eed9d0 RDI: 0000000000407545
RBP: 0000000000000000 R08: 0000000000b87240 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf8eeded0 R14: 0000000000000000 R15: 0000000000000000
Mem-Info:
CPU: 1 PID: 15378 Comm: syz-executor3 Not tainted 4.19.0+ #69
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:38204 inactive_anon:1457 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9297 slab_unreclaimable:1484780
 mapped:40979 shmem:1464 pagetables:573 bounce:0
 free:13742 free_pcp:337 free_cma:0
Call Trace:
Node 0 active_anon:152816kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:5856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
Node 0 
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]: 0
 2820 6323
 6323
Node 0 
DMA32 free:25228kB min:30060kB low:37572kB high:45084kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0 3503
 3503
Node 0 
Normal free:13832kB min:37352kB low:46688kB high:56024kB active_anon:152716kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2292kB bounce:0kB free_pcp:852kB local_pcp:604kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 5*4kB 
(UM) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
1*8kB 
(M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
3*16kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
4*32kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*64kB (UM) 
4*128kB 
(UM) 
3*256kB (M) 
4*512kB 
(UM) 
3*1024kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
3*2048kB 
(M) 3*4096kB 
(M) 
= 25228kB
Node 0 
Normal: 
810*4kB 
(UME) 
486*8kB 
(UME) 
253*16kB 
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
(UME) 
84*32kB 
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
(UM) 
0*64kB 
0*128kB 
0*256kB 
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
0*512kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
0*1024kB 
0*2048kB 
0*4096kB 
= 13864kB
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
1489 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342292 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
init cpuset=
/
 mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 5d 3e ff e9 28 ff ff ff e8 8a 8f c3 ff 48 83 3d 62 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 82 5c
RSP: 0000:ffff8801976cf4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019c992f40 RDI: 0000000000000286
RBP: ffff8801976cf518 R08: ffff88019c9926c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0x49b/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #69
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor3 cpuset=
 <IRQ>
syz3
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 mems_allowed=0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 27 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4dd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b34811c
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4de78 R08: ffff8801d9a408e0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848ccdf0 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 user_path_at_empty+0x2d/0x50 fs/namei.c:2608
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x129/0x210 fs/stat.c:185
 vfs_stat include/linux/fs.h:3113 [inline]
 __do_sys_newstat+0x8f/0x110 fs/stat.c:337
 __se_sys_newstat fs/stat.c:333 [inline]
 __x64_sys_newstat+0x54/0x80 fs/stat.c:333
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe6a64eec65
Code: Bad RIP value.
RSP: 002b:00007ffcf8eed798 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007ffcf8eed9d0 RCX: 00007fe6a64eec65
RDX: 00007ffcf8eed9d0 RSI: 00007ffcf8eed9d0 RDI: 0000000000407545
RBP: 0000000000000000 R08: 0000000000b87240 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf8eeded0 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 15378 Comm: syz-executor3 Not tainted 4.19.0+ #69
Mem-Info:
active_anon:38204 inactive_anon:1457 isolated_anon:0
 active_file:14 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9297 slab_unreclaimable:1484780
 mapped:40979 shmem:1464 pagetables:573 bounce:0
 free:13742 free_pcp:337 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:152816kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:5856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
lowmem_reserve[]: 0
 2820 6323
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 6323
Node 0 
DMA32 free:25228kB min:30060kB low:37572kB high:45084kB active_anon:100kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890764kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 3503
Node 0 
Normal free:13832kB min:37352kB low:46688kB high:56024kB active_anon:152716kB inactive_anon:5828kB active_file:56kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5248kB pagetables:2292kB bounce:0kB free_pcp:852kB local_pcp:604kB 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: 5*4kB 
(UM) 
1*8kB (M) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
3*16kB (M) 
4*32kB (UM) 
3*64kB (UM) 
4*128kB (UM) 
3*256kB (M) 
4*512kB (UM) 
3*1024kB (UM) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
3*2048kB (M) 
3*4096kB (M) 
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
= 25228kB
Node 0 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Normal: 810*4kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UME) 
486*8kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UME) 
253*16kB (UME) 
84*32kB (UM) 
0*64kB 0*128kB 
0*256kB 0*512kB 
0*1024kB 0*2048kB 
0*4096kB = 13864kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 alloc_skb include/linux/skbuff.h:997 [inline]
 nlmsg_new include/net/netlink.h:654 [inline]
 __br_mdb_notify+0x4ff/0x15d0 net/bridge/br_mdb.c:407
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
1489 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342292 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 br_mdb_notify+0x310/0x410 net/bridge/br_mdb.c:440
init cpuset=
/
 br_multicast_del_pg+0x3df/0x790 net/bridge/br_multicast.c:292
 mems_allowed=0
 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 f3 5d 3e ff e9 28 ff ff ff e8 8a 8f c3 ff 48 83 3d 62 d8 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 82 5c
RSP: 0000:ffff8801976cf4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88019c992f40 RDI: 0000000000000286
RBP: ffff8801976cf518 R08: ffff88019c9926c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940
R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071
 __bpf_try_make_writable net/core/filter.c:1638 [inline]
 bpf_try_make_writable net/core/filter.c:1644 [inline]
 bpf_try_make_head_writable net/core/filter.c:1652 [inline]
 ____bpf_clone_redirect net/core/filter.c:2089 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067
 bpf_prog_bebbfe2050753572+0x49b/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0+ #69
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-executor3 cpuset=
 <IRQ>
syz3
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 mems_allowed=0
 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677
 fallback_alloc+0x204/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x308/0xb7e kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline]
RIP: 0010:console_unlock+0xffa/0x1160 kernel/printk/printk.c:2409
Code: 30 f6 31 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d d6 76 cc 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 27 e2 5c 00 e9 86 f1 ff ff e8 8d
RSP: 0000:ffff8801d9a4dd08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000200 RCX: 1ffff1003b34811c
RDX: 0000000000000000 RSI: ffffffff81657f61 RDI: 0000000000000293
RBP: ffff8801d9a4de78 R08: ffff8801d9a408e0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000
R13: ffffffff848ccdf0 R14: dffffc0000000000 R15: ffffffff89944cb0
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1922
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 show_free_areas.cold.118+0x1e0b/0x215d mm/page_alloc.c:5028
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x22d4/0x2d70 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/10/26 06:37 bpf 4a6998aff82a a8292de9 .config console log report ci-upstream-bpf-kasan-gce
2018/11/22 13:15 bpf-next e4b0c94bd24c 2ee77802 .config console log report ci-upstream-bpf-next-kasan-gce
2018/11/08 07:31 bpf-next bce6a14996f9 e85d2a61 .config console log report ci-upstream-bpf-next-kasan-gce
2018/11/05 03:02 bpf-next 44adbac8f721 8bd6bd63 .config console log report ci-upstream-bpf-next-kasan-gce
2018/11/03 16:13 bpf-next 44adbac8f721 8bd6bd63 .config console log report ci-upstream-bpf-next-kasan-gce
2018/10/22 06:05 bpf-next fe8ecccc10b3 ecb386fe .config console log report ci-upstream-bpf-next-kasan-gce
* Struck through repros no longer work on HEAD.