run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
rcu: INFO: rcu_preempt self-detected stall on CPU
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
rcu: 	1-...!: (194 ticks this GP) idle=8de/1/0x4000000000000002 softirq=224546/224546 fqs=0 
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
rcu: 	 (t=10561 jiffies g=280541 q=2)
rcu: rcu_preempt kthread starved for 10561 jiffies! g280541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
rcu: RCU grace-period kthread stack dump:
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
rcu_preempt     R  running task    29208    10      2 0x80000000
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Call Trace:
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 kthread+0x33f/0x460 kernel/kthread.c:259
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Sending NMI from CPU 1 to CPUs 0:
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
NMI backtrace for cpu 0
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20 kernel/kcov.c:188
Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 ec fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 ce fe ff ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff8880ba007080 EFLAGS: 00000006
RAX: 0000000000000006 RBX: ffffffff886ad5c9 RCX: ffffffff87efdd31
RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000009
RBP: 000000000000003c R08: 0000000000000001 R09: 0000000000000009
R10: 0000000000000005 R11: ffffffff8c66501b R12: dffffc0000000000
R13: ffff8880ba0070f0 R14: 0000000000000006 R15: 0000000000000036
FS:  00007ff535f90700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5385d3203 CR3: 00000000ab17e000 CR4: 00000000003426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 skip_atoi+0xa1/0xe0 lib/vsprintf.c:156
 format_decode+0x882/0xad0 lib/vsprintf.c:2088
 vsnprintf+0x155/0x14f0 lib/vsprintf.c:2271
 sprintf+0xc0/0x100 lib/vsprintf.c:2521
 print_time kernel/printk/printk.c:1264 [inline]
 print_prefix+0x265/0x3f0 kernel/printk/printk.c:1287
 msg_print_text+0xcd/0x1c0 kernel/printk/printk.c:1314
 console_unlock+0x321/0x1110 kernel/printk/printk.c:2434
 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965
 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405
 printk+0xba/0xed kernel/printk/printk.c:2040
 show_opcodes.cold+0x46/0x48 arch/x86/kernel/dumpstack.c:113
 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:131
 __show_regs+0x19/0x50 arch/x86/kernel/process_64.c:74
 show_trace_log_lvl+0x177/0x2b4 arch/x86/kernel/dumpstack.c:213
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
NMI backtrace for cpu 1
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340
lowmem_reserve[]: 0 0 0 0 0
 print_cpu_stall kernel/rcu/tree.c:1478 [inline]
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
 update_process_times+0x2a/0x70 kernel/time/timer.c:1650
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
 __run_hrtimer kernel/time/hrtimer.c:1465 [inline]
 __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
14025 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585
Free swap  = 0kB
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
Total swap = 0kB
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
2097051 pages RAM
 </IRQ>
0 pages HighMem/MovableOnly
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3334 [inline]
RIP: 0010:kmem_cache_alloc_node+0x2ee/0x3b0 mm/slab.c:3647
369649 pages reserved
Code: fe ff ff 48 f7 04 24 00 02 00 00 0f 84 1f fe ff ff e8 86 a0 cf ff 48 83 3d 16 7b 59 08 00 0f 84 aa 00 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 e9 1a fe ff ff 65 ff 05 c1 d7 69 7e 48 8b 05 32 f2
0 pages cma reserved
RSP: 0018:ffff8880b5acfa38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11016b575ad
RDX: 0000000000000000 RSI: ffff8880b5abad70 RDI: 0000000000000286
in:imklog cpuset=/ mems_allowed=0-1
RBP: ffff8880b5b8fd80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 0000000000480020 R15: ffff8880b5b8fd80
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
aoe: skb alloc failure
Call Trace:
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
Mem-Info:
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Call Trace:
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB 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 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
14025 total pagecache pages
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
0 pages in swap cache
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
Swap cache stats: add 0, delete 0, find 0/0
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
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+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
14025 total pagecache pages
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
0 pages in swap cache
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Free swap  = 0kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Total swap = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
2097051 pages RAM
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
14025 total pagecache pages
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
0 pages in swap cache
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Free swap  = 0kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Total swap = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
2097051 pages RAM
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
14025 total pagecache pages
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
0 pages in swap cache
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Swap cache stats: add 0, delete 0, find 0/0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Free swap  = 0kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Total swap = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
2097051 pages RAM
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
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+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
14025 total pagecache pages
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap  = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
Total swap = 0kB
2097051 pages RAM
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
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+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
14025 total pagecache pages
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap  = 0kB
Total swap = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
2097051 pages RAM
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
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+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407
 netdev_alloc_skb include/linux/skbuff.h:2680 [inline]
 dev_alloc_skb include/linux/skbuff.h:2693 [inline]
 send_hsr_supervision_frame+0x107/0xf70 net/hsr/hsr_device.c:265
 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111
Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <c3> 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df
RSP: 0018:ffff88808f50f210 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a5b5a0c0 RBX: 0000000000000001 RCX: 1ffff11014b6b538
RDX: 0000000000000000 RSI: ffffffff8189bf94 RDI: ffff888036ff1000
RBP: ffff8880b59f68c0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ff1000
R13: ffff88808f50f358 R14: ffff88808f50f35c R15: ffff8880b59f68c0
 list_lru_count_one+0x14/0x360 mm/list_lru.c:185
 list_lru_shrink_count include/linux/list_lru.h:123 [inline]
 super_cache_count+0x1b4/0x2e0 fs/super.c:145
 do_shrink_slab+0x10b/0xa40 mm/vmscan.c:464
 shrink_slab+0x16f/0x550 mm/vmscan.c:693
 shrink_node.isra.0+0x2d3/0x1300 mm/vmscan.c:2748
 shrink_zones mm/vmscan.c:2977 [inline]
 do_try_to_free_pages+0x38e/0xfe0 mm/vmscan.c:3035
 try_to_free_pages+0x27f/0x7c0 mm/vmscan.c:3251
 __perform_reclaim mm/page_alloc.c:3800 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
 __alloc_pages_nodemask+0xcc8/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623
 kmalloc include/linux/slab.h:515 [inline]
 syslog_print kernel/printk/printk.c:1337 [inline]
 do_syslog.part.0+0x24f/0x1510 kernel/printk/printk.c:1505
 do_syslog+0x49/0x60 kernel/printk/printk.c:1486
 kmsg_read+0x8a/0xb0 fs/proc/kmsg.c:40
 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231
 __vfs_read+0xf7/0x750 fs/read_write.c:416
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff5385d322d
Code: Bad RIP value.
RSP: 002b:00007ff535f6f580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5385d322d
RDX: 0000000000001fa0 RSI: 00007ff535f6fda0 RDI: 0000000000000004
RBP: 00005558167269d0 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000001 R11: 0000000000000293 R12: 00007ff535f6fda0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007ff535f6fe20
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.208-syzkaller #0
Mem-Info:
active_anon:231132 inactive_anon:13128 isolated_anon:0
 active_file:269 inactive_file:480 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:18548 slab_unreclaimable:1346716
 mapped:58264 shmem:13285 pagetables:5025 bounce:0
 free:11082 free_pcp:850 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:922476kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:233024kB dirty:0kB writeback:0kB shmem:53140kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 419840kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13436kB min:35996kB low:44992kB high:53988kB active_anon:918380kB inactive_anon:52512kB active_file:924kB inactive_file:976kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:13664kB pagetables:20096kB bounce:0kB free_pcp:2940kB local_pcp:1460kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:20024kB min:53876kB low:67344kB high:80812kB active_anon:2052kB inactive_anon:0kB active_file:152kB inactive_file:944kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:460kB local_pcp:212kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (U) 0*8kB 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 1721*4kB (UMEH) 489*8kB (UMEH) 117*16kB (UMEH) 4*32kB (UMH) 0*64kB 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13436kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 6*4kB (UME) 4*8kB (ME) 4*16kB (ME) 6*32kB (ME) 4*64kB (ME) 4*128kB (UME) 0*256kB 3*512kB (ME) 3*1024kB (UM) 1*2048kB (M) 3*4096kB (M) = 20024kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
14025 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
Free swap  = 0kB
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
in:imklog: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
in:imklog cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 7809 Comm: in:imklog Not tainted 4.19.208-syzkaller #0
aoe: skb alloc failure
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+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ksoftirqd/1 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	13 00                	adc    (%rax),%eax
   2:	00 83 fa 02 75 20    	add    %al,0x207502fa(%rbx)
   8:	48 8b 88 68 13 00 00 	mov    0x1368(%rax),%rcx
   f:	8b 80 64 13 00 00    	mov    0x1364(%rax),%eax
  15:	48 8b 11             	mov    (%rcx),%rdx
  18:	48 83 c2 01          	add    $0x1,%rdx
  1c:	48 39 d0             	cmp    %rdx,%rax
  1f:	76 07                	jbe    0x28
  21:	48 89 34 d1          	mov    %rsi,(%rcx,%rdx,8)
  25:	48 89 11             	mov    %rdx,(%rcx)
* 28:	c3                   	retq <-- trapping instruction
  29:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  30:	00
  31:	49 89 f1             	mov    %rsi,%r9
  34:	49 89 fa             	mov    %rdi,%r10
  37:	65                   	gs
  38:	48                   	rex.W
  39:	8b                   	.byte 0x8b
  3a:	34 25                	xor    $0x25,%al
  3c:	c0                   	.byte 0xc0
  3d:	df                   	.byte 0xdf