CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc5+ #109
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: 	1-...!: (86 ticks this GP) idle=35a/1/0x4000000000000004 softirq=30167/30167 fqs=0 
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu: 	
 (t=10576 jiffies g=39609 q=5)
rcu: rcu_preempt kthread starved for 10576 jiffies! g39609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    22560    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h: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:3820
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 kthread+0x35a/0x420 kernel/kthread.c:246
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc5+ #109
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:inb arch/x86/include/asm/io.h:333 [inline]
RIP: 0010:io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:449
Code: e1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 88 2e e5 fd eb c2 e8 e1 2e e5 fd eb e2
RSP: 0000:ffff8801dae063e8 EFLAGS: 00000006
RAX: dffffc0000000005 RBX: 00000000000003f9 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: ffffffff83dd12d1 RDI: ffffffff8b8eb498
RBP: ffff8801dae063f8 R08: fffffbfff171d68d R09: fffffbfff171d68c
R10: fffffbfff171d68c R11: ffffffff8b8eb463 R12: ffffffff8b8eb460
R13: ffffffff8b8eb680 R14: 0000000000000001 R15: ffffffff8b8eb4a8
FS:  00007fc3c3adc7a0(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3c31b1da9 CR3: 00000001ca175000 CR4: 00000000001406f0
DR0: 0000000020000080 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 serial_port_in include/linux/serial_core.h:268 [inline]
 serial8250_console_write+0x2c5/0xb10 drivers/tty/serial/8250/8250_port.c:3252
 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590
 call_console_drivers kernel/printk/printk.c:1724 [inline]
 console_unlock+0xcd7/0x1160 kernel/printk/printk.c:2405
 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
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
 show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h: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:3820
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f9 22 18 fa 48 83 3d d9 d2 87 01 00 75 07 e8 4a 96 d4 f9 0f 0b e8 43 96 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ad 22 18 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87aa1f3d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 ? idr_get_fr
Lost 140 message(s)!
NMI backtrace for cpu 1
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f9 22 18 fa 48 83 3d d9 d2 87 01 00 75 07 e8 4a 96 d4 f9 0f 0b e8 43 96 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ad 22 18 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87aa1f3d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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+0x2318/0x2d80 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fc3c31b1dd3
Code: Bad RIP value.
RSP: 002b:00007ffcf9d288d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffcf9d28a80 RCX: 00007fc3c31b1dd3
RDX: 0000000000000000 RSI: 00007ffcf9d28c30 RDI: 000000000000000b
RBP: 00007ffcf9d28c30 R08: 00007ffcf9d28cb0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf9d29010 R14: 0000000000000000 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16994 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #109
Mem-Info:
active_anon:55481 inactive_anon:168 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9383 slab_unreclaimable:1468212
 mapped:40962 shmem:175 pagetables:620 bounce:0
 free:13766 free_pcp:337 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0
 2819
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 6323
 6323
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
Node 0 
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
DMA32 free:25248kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
 0 3503
 3503
Node 0 
Normal free:13908kB min:37352kB low:46688kB high:56024kB active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2480kB bounce:0kB free_pcp:1100kB local_pcp:432kB free_cma:0kB
lowmem_reserve[]: 0
 0 0
 0
Node 0 
DMA: 
1*4kB 
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3276 [inline]
 rcu_pending kernel/rcu/tree.c:3319 [inline]
 rcu_check_callbacks+0xfd9/0x1990 kernel/rcu/tree.c:2665
(U) 
0*8kB 
0*16kB 
1*32kB (U) 
2*64kB (U) 
1*128kB (U) 
1*256kB 
(U) 
0*512kB 1*1024kB 
(U) 1*2048kB 
(M) 3*4096kB 
(M) = 15908kB
Node 0 
DMA32: 
4*4kB 
(M) 2*8kB 
(UH) 4*16kB 
(UMH) 
4*32kB (UMH) 
5*64kB (MH) 
3*128kB 
(M) 3*256kB 
(M) 
4*512kB 
(UM) 
3*1024kB 
(MH) 
3*2048kB 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
(M) 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
3*4096kB (M) 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
= 25248kB
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
Node 0 
Normal: 1245*4kB 
(UMEH) 
492*8kB 
(MEH) 
196*16kB (MEH) 
51*32kB 
(UMH) 
4*64kB 
(H) 
0*128kB 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
0*256kB 
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
0*512kB 0*1024kB 
0*2048kB 0*4096kB 
= 13940kB
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
204 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
Total swap = 0kB
1965979 pages RAM
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
0 pages HighMem/MovableOnly
342307 pages reserved
Code: 40 7e 0f 85 32 ff ff ff e8 05 b4 3e ff e9 28 ff ff ff e8 5c f7 c2 ff 48 83 3d 3c 28 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 5a f1
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.133 msecs
RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b2725f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RBP: ffff8801daf074c0 R08: ffff8801d9392fc8 R09: 0000000000000002
init cpuset=
R10: 0000000000000000 R11: ffff8801d9392700 R12: ffff8801d9be7c80
R13: ffff8801d9be7c80 R14: 0000000000000000 R15: 0000000000000286
/
 mems_allowed=0
 __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:3820
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 66 94 3e ff e9 c5 fe ff ff e8 bd d7 c2 ff 48 83 3d 9d 08 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 5a f1
RSP: 0000:ffff88019b4b7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d9392f80 RDI: 0000000000000286
RBP: ffff88019b4b77b0 R08: ffff8801d9392700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0xe5c/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc5+ #109
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor3 cpuset=
syz3
 mems_allowed=0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h: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:3820
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f9 22 18 fa 48 83 3d d9 d2 87 01 00 75 07 e8 4a 96 d4 f9 0f 0b e8 43 96 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ad 22 18 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87aa1f3d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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+0x2318/0x2d80 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fc3c31b1dd3
Code: Bad RIP value.
RSP: 002b:00007ffcf9d288d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffcf9d28a80 RCX: 00007fc3c31b1dd3
RDX: 0000000000000000 RSI: 00007ffcf9d28c30 RDI: 000000000000000b
RBP: 00007ffcf9d28c30 R08: 00007ffcf9d28cb0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf9d29010 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 16994 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #109
Mem-Info:
active_anon:55481 inactive_anon:168 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9383 slab_unreclaimable:1468212
 mapped:40962 shmem:175 pagetables:620 bounce:0
 free:13766 free_pcp:337 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 0 2819
 6323
 6323
Node 0 
DMA32 free:25248kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:13908kB min:37352kB low:46688kB high:56024kB active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2480kB bounce:0kB free_pcp:1100kB local_pcp:432kB free_cma:0kB
lowmem_reserve[]: 0
 0
 0
 0
Node 0 
DMA: 
1*4kB 
(U) 
0*8kB 
0*16kB 
1*32kB 
(U) 
2*64kB (U) 
1*128kB 
(U) 
1*256kB (U) 
0*512kB 
1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 
= 15908kB
Node 0 
DMA32: 
4*4kB 
(M) 
2*8kB (UH) 
4*16kB 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(UMH) 
4*32kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UMH) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
5*64kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(MH) 
3*128kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(M) 
3*256kB 
(M) 
4*512kB 
(UM) 
3*1024kB (MH) 
3*2048kB 
(M) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*4096kB (M) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
= 25248kB
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3820
Node 0 
Normal: 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
1245*4kB 
(UMEH) 
492*8kB (MEH) 
196*16kB (MEH) 
51*32kB (UMH) 
4*64kB 
(H) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 13940kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
204 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
342307 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)
init cpuset=
/
 mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 66 94 3e ff e9 c5 fe ff ff e8 bd d7 c2 ff 48 83 3d 9d 08 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 5a f1
RSP: 0000:ffff88019b4b7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d9392f80 RDI: 0000000000000286
RBP: ffff88019b4b77b0 R08: ffff8801d9392700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0xe5c/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc5+ #109
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>
syz-executor3 cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz3
 mems_allowed=0
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h: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:3820
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f9 22 18 fa 48 83 3d d9 d2 87 01 00 75 07 e8 4a 96 d4 f9 0f 0b e8 43 96 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 ad 22 18 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801d9a4e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d9a40040 RBX: 0000000000000293 RCX: 1ffff1003b348126
RDX: 0000000000000000 RSI: ffffffff87aa1f3d RDI: 0000000000000293
RBP: ffff8801d9a4e240 R08: ffff8801d9a40930 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801d9a40040 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000000 R15: ffffffff8931f200
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 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+0x2318/0x2d80 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x7fc3c31b1dd3
Code: Bad RIP value.
RSP: 002b:00007ffcf9d288d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007ffcf9d28a80 RCX: 00007fc3c31b1dd3
RDX: 0000000000000000 RSI: 00007ffcf9d28c30 RDI: 000000000000000b
RBP: 00007ffcf9d28c30 R08: 00007ffcf9d28cb0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffcf9d29010 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 16994 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #109
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
active_anon:55481 inactive_anon:168 isolated_anon:0
 active_file:16 inactive_file:13 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9383 slab_unreclaimable:1468212
 mapped:40962 shmem:175 pagetables:620 bounce:0
 free:13766 free_pcp:337 free_cma:0
 <IRQ>
Node 0 active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:700kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 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.119+0xb7/0x1bd mm/page_alloc.c:3426
lowmem_reserve[]:
 0
 2819
 6323 6323
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
Node 0 
DMA32 free:25248kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0
 3503 3503
Node 0 
Normal free:13908kB min:37352kB low:46688kB high:56024kB active_anon:221924kB inactive_anon:672kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2480kB bounce:0kB free_pcp:1100kB local_pcp:432kB 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
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
Node 0 
DMA32: 
4*4kB 
(M) 
2*8kB 
(UH) 4*16kB 
(UMH) 
4*32kB (UMH) 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
5*64kB (MH) 
3*128kB (M) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*256kB (M) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
4*512kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM) 3*1024kB 
(MH) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*2048kB (M) 
3*4096kB (M) 
= 25248kB
Node 0 
Normal: 
1245*4kB 
(UMEH) 
492*8kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
(MEH) 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
196*16kB 
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3820
(MEH) 
51*32kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UMH) 
4*64kB 
(H) 
0*128kB 0*256kB 
0*512kB 0*1024kB 
0*2048kB 
0*4096kB 
= 13940kB
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
204 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0 pages HighMem/MovableOnly
342307 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)
init cpuset=
/
 mems_allowed=0
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:slab_alloc mm/slab.c:3385 [inline]
RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552
Code: 7e 0f 85 cf fe ff ff e8 66 94 3e ff e9 c5 fe ff ff e8 bd d7 c2 ff 48 83 3d 9d 08 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 5a f1
RSP: 0000:ffff88019b4b7748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801d9392f80 RDI: 0000000000000286
RBP: ffff88019b4b77b0 R08: ffff8801d9392700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7c80 R14: ffff8801d9be7c80 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2079 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0xe5c/0x1000
CPU: 0 PID: 1 Comm: init Not tainted 4.19.0-rc5+ #109
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor3 cpuset=
syz3
 mems_allowed=0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h: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:3820
 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