RDX: 0000000000000080 RSI: 000000c42017d890 RDI: 0000000000000004
RBP: 000000c42017de90 R08: 0000000000000002 R09: 000000c424d22528
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 7366 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #53
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-...!: (1 GPs behind) idle=74a/1/0x4000000000000004 softirq=9472/9473 fqs=0 
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
rcu: 	
 (t=10707 jiffies g=9993 q=7)
rcu: rcu_preempt kthread starved for 10707 jiffies! g9993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    23064    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 __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
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 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
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 kthread+0x35a/0x420 kernel/kthread.c:246
 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: 7366 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_switch+0x53/0x90 kernel/kcov.c:224
Code: 75 2d 4c 8b 3e 31 db 49 89 f4 49 89 fd 4d 85 ff 74 1d 49 8b 74 dc 10 4c 89 ea 4c 89 f7 48 83 c3 01 48 8b 4d 08 e8 ed fd ff ff <49> 39 df 75 e3 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 83 f8 08 41 be
RSP: 0000:ffff8801dae06240 EFLAGS: 00000006
RAX: 0000000000000103 RBX: 0000000000000005 RCX: ffffffff87bba974
RDX: 0000000000000035 RSI: 0000000000000030 RDI: 0000000000000001
RBP: ffff8801dae06268 R08: ffff8801cd872440 R09: fffffbfff12b29d4
R10: fffffbfff12b29d4 R11: ffffffff89594ea3 R12: ffffffff88c6b220
R13: 0000000000000035 R14: 0000000000000001 R15: 0000000000000005
FS:  00007f17913f2700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f171be9de40 CR3: 00000001d9bee000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 format_decode+0x264/0xaf0 lib/vsprintf.c:2045
 vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245
 snprintf+0xae/0xe0 lib/vsprintf.c:2426
 print_time kernel/printk/printk.c:1223 [inline]
 print_prefix+0x38e/0x3f0 kernel/printk/printk.c:1248
 msg_print_text+0x83/0x1d0 kernel/printk/printk.c:1271
 console_unlock+0x673/0x11a0 kernel/printk/printk.c:2381
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:2000
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
 show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </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 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da 44
RSP: 0000:ffff8801ce51f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cd872cc0 RDI: 0000000000000282
RBP: ffff8801ce51f7b0 R08: ffff8801cd872440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_bebbfe2050753572+0x440/0x1000
 ? lock_acquir
Lost 31 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 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 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da 44
RSP: 0000:ffff8801ce51f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cd872cc0 RDI: 0000000000000282
RBP: ffff8801ce51f7b0 R08: ffff8801cd872440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_bebbfe2050753572+0x440/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5349 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53
Mem-Info:
active_anon:41839 inactive_anon:371 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8632 slab_unreclaimable:1482363
 mapped:41155 shmem:379 pagetables:590 bounce:0
 free:13638 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:167356kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB 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
 2817 6321
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 6321
Node 0 
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
DMA32 free:25036kB min:30048kB low:37560kB high:45072kB active_anon:38912kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]: 0
 trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline]
 rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1340
 0 3503
 3503
 print_cpu_stall.cold.78+0x2d3/0x524 kernel/rcu/tree.c:1478
Node 0 
Normal free:13608kB min:37364kB low:46704kB high:56044kB active_anon:128444kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2360kB bounce:0kB free_pcp:776kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0 0
 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 0*16kB 
1*32kB 
(U) 
 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
2*64kB (U) 
1*128kB 
(U) 1*256kB 
(U) 
0*512kB 
1*1024kB 
(U) 1*2048kB 
(M) 3*4096kB 
(M) = 15908kB
Node 0 
DMA32: 
3*4kB 
(UM) 
0*8kB 4*16kB 
(UM) 
2*32kB 
(UM) 
3*64kB 
(UM) 
3*128kB 
(M) 
3*256kB 
(UM) 
4*512kB 
(UM) 
3*1024kB (M) 
1*2048kB 
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
(M) 
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
4*4096kB 
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
(M) 
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
= 25036kB
Node 0 
Normal: 
950*4kB 
(UME) 
434*8kB 
(UME) 
204*16kB (ME) 
57*32kB 
(UME) 
16*64kB (UM) 
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
2*128kB (M) 
 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*256kB 0*512kB 
0*1024kB 
0*2048kB 0*4096kB 
= 13640kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
413 total pagecache pages
0 pages in swap cache
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
Swap cache stats: add 0, delete 0, find 0/0
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
Free swap  = 0kB
Code: 40 7e 0f 85 32 ff ff ff e8 45 c3 3e ff e9 28 ff ff ff e8 5c 20 c3 ff 48 83 3d fc 6e 90 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da 44
Total swap = 0kB
RSP: 0000:ffff8801daf07450 EFLAGS: 00000282
1965979 pages RAM
 ORIG_RAX: ffffffffffffff13
0 pages HighMem/MovableOnly
342744 pages reserved
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100378e25ab
0 pages cma reserved
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff8801daf074c0 R08: ffff8801bc712d58 R09: 0000000000000002
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.539 msecs
R10: 0000000000000000 R11: ffff8801bc712440 R12: ffff8801d9be7680
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
syz2
 mems_allowed=0
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 1a a1 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801c13bd4d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bc712440 RBX: 0000000000000200 RCX: 1ffff100378e25a6
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801c13bd630 R08: ffff8801bc712d30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bc712440 R12: dffffc0000000000
R13: ffffffff848d8720 R14: ffffffff89b9bd50 R15: dffffc0000000000
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:2000
 show_free_areas.cold.119+0x1ab4/0x215d mm/page_alloc.c:4998
 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:952
 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c42017d850 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c42017d890 RDI: 0000000000000004
RBP: 000000c42017de90 R08: 0000000000000002 R09: 000000c424d22528
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 7366 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
 __alloc_pages_slowpath+0x2667/0x2d80 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+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_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 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da 44
RSP: 0000:ffff8801ce51f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cd872cc0 RDI: 0000000000000282
RBP: ffff8801ce51f7b0 R08: ffff8801cd872440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_bebbfe2050753572+0x440/0x1000
CPU: 1 PID: 5349 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53
Mem-Info:
active_anon:41839 inactive_anon:371 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8632 slab_unreclaimable:1482363
 mapped:41155 shmem:379 pagetables:590 bounce:0
 free:13638 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:167356kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 0 2817
 6321
 6321
Node 0 
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:25036kB min:30048kB low:37560kB high:45072kB active_anon:38912kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 3503
Node 0 
Normal free:13608kB min:37364kB low:46704kB high:56044kB active_anon:128444kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2360kB bounce:0kB free_pcp:776kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0 0
 0 0
Node 0 
DMA: 1*4kB 
(U) 0*8kB 
0*16kB 
1*32kB 
(U) 
2*64kB 
(U) 
1*128kB 
(U) 
1*256kB (U) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
0*512kB 1*1024kB 
(U) 
1*2048kB 
(M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 3*4kB 
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
(UM) 
0*8kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
4*16kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*32kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*64kB 
(UM) 
3*128kB 
(M) 
3*256kB 
(UM) 
4*512kB 
(UM) 
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
3*1024kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M) 
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
1*2048kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
4*4096kB 
(M) 
= 25036kB
Node 0 
Normal: 
950*4kB 
(UME) 
434*8kB 
(UME) 
204*16kB 
(ME) 
57*32kB 
(UME) 
16*64kB (UM) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
2*128kB 
(M) 
0*256kB 0*512kB 
0*1024kB 0*2048kB 
0*4096kB = 13640kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
413 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor2 cpuset=
syz2
 mems_allowed=0
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 1a a1 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801c13bd4d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bc712440 RBX: 0000000000000200 RCX: 1ffff100378e25a6
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801c13bd630 R08: ffff8801bc712d30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bc712440 R12: dffffc0000000000
R13: ffffffff848d8720 R14: ffffffff89b9bd50 R15: dffffc0000000000
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:2000
 show_free_areas.cold.119+0x1ab4/0x215d mm/page_alloc.c:4998
 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:952
 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946
 page_cache_read mm/filemap.c:2385 [inline]
 filemap_fault+0x1594/0x25f0 mm/filemap.c:2569
 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 do_read_fault mm/memory.c:3652 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3983 [inline]
 __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107
 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144
 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395
 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
RIP: 0033:0x45df89
Code: Bad RIP value.
RSP: 002b:000000c42017d850 EFLAGS: 00010246
RAX: 0000000000000001 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 0000000000000080 RSI: 000000c42017d890 RDI: 0000000000000004
RBP: 000000c42017de90 R08: 0000000000000002 R09: 000000c424d22528
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
CPU: 0 PID: 7366 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #53
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-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-fuzzer cpuset=
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
/
 mems_allowed=0
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </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 a6 a3 3e ff e9 c5 fe ff ff e8 bd 00 c3 ff 48 83 3d 5d 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 da 44
RSP: 0000:ffff8801ce51f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801cd872cc0 RDI: 0000000000000282
RBP: ffff8801ce51f7b0 R08: ffff8801cd872440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_bebbfe2050753572+0x440/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 5349 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #53
Mem-Info:
active_anon:41839 inactive_anon:371 isolated_anon:0
 active_file:17 inactive_file:17 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8632 slab_unreclaimable:1482363
 mapped:41155 shmem:379 pagetables:590 bounce:0
 free:13638 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:167356kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:164620kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 151552kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
lowmem_reserve[]: 0
 2817 6321
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 6321
Node 0 
DMA32 free:25036kB min:30048kB low:37560kB high:45072kB active_anon:38912kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
 0
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 0
 3503
 3503
Node 0 
Normal free:13608kB min:37364kB low:46704kB high:56044kB active_anon:128444kB inactive_anon:1484kB active_file:68kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5152kB pagetables:2360kB bounce:0kB free_pcp:776kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0
 0
 0
 0
Node 0 
DMA: 1*4kB 
(U) 
0*8kB 
0*16kB 1*32kB 
(U) 
2*64kB 
(U) 
1*128kB 
(U) 
1*256kB 
(U) 
0*512kB 
1*1024kB 
(U) 
1*2048kB 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
3*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+0x91/0x8c0 mm/slab.c:2677
0*8kB 
4*16kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
2*32kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM) 
3*64kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*128kB (M) 
3*256kB 
(UM) 
4*512kB 
(UM) 
3*1024kB 
(M) 
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
1*2048kB 
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
(M) 
 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819
4*4096kB 
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 25036kB
Node 0 
Normal: 
950*4kB 
(UME) 
434*8kB 
(UME) 
204*16kB 
(ME) 
57*32kB (UME) 
16*64kB (UM) 
2*128kB 
(M) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*256kB 
0*512kB 0*1024kB 
0*2048kB 
0*4096kB 
= 13640kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
413 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
342744 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-executor2 cpuset=
syz2
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 mems_allowed=0
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 1a a1 5d 00 e9 08 f4 ff ff e8 80
RSP: 0000:ffff8801c13bd4d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bc712440 RBX: 0000000000000200 RCX: 1ffff100378e25a6
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801c13bd630 R08: ffff8801bc712d30 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bc712440 R12: dffffc0000000000
R13: ffffffff848d8720 R14: ffffffff89b9bd50 R15: dffffc0000000000
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 printk+0xa7/0xcf kernel/printk/printk.c:2000
 show_free_areas.cold.119+0x1ab4/0x215d mm/page_alloc.c:4998