kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-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: 	0-...!: (341 ticks this GP) idle=a8a/1/0x4000000000000004 softirq=34633/34635 fqs=0 
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
rcu: 	 (t=10557 jiffies g=37429 q=11)
rcu: rcu_preempt kthread starved for 10557 jiffies! g37429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29104    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3515
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 schedule+0x92/0x1c0 kernel/sched/core.c:3559
 __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+0x91/0x8c0 mm/slab.c:2682
 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1806
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 kthread+0x354/0x420 kernel/kthread.c:246
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
NMI backtrace for cpu 0
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 lib/nmi_backtrace.c:62
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
lowmem_reserve[]: 0 0 0 0 0
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x189/0x1d5 kernel/rcu/tree.c:1340
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
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+0x5e3/0xd90 kernel/rcu/tree.c:2682
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
 update_process_times+0x32/0x80 kernel/time/timer.c:1638
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:164
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1274
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __run_hrtimer kernel/time/hrtimer.c:1401 [inline]
 __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1463
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
269 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1521
Total swap = 0kB
1965979 pages RAM
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092
0 pages HighMem/MovableOnly
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
341723 pages reserved
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+0x245/0x710 mm/slab.c:3647
0 pages cma reserved
Code: 5f 7e 0f 85 34 ff ff ff e8 39 03 5e ff e9 2a ff ff ff e8 ae 1c ce ff 48 83 3d 0e f8 4f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RSP: 0018:ffff8880ae807a98 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
syz-executor.0 cpuset=syz0 mems_allowed=0-1
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11014fac57e
RDX: 0000000000000000 RSI: ffff8880a7d62bf8 RDI: 0000000000000282
RBP: ffff8880ae807b08 R08: ffff8880a7d62300 R09: ffff8880a7d62bf0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88821bab2b40
R13: ffff88821bab2b40 R14: 0000000000000000 R15: 0000000000000282
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
Call Trace:
oom_reaper cpuset=/ mems_allowed=0-1
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
Mem-Info:
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Call Trace:
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 2545 2546 2546 2546
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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+0x2214/0x2870 mm/page_alloc.c:4315
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
269 total pagecache pages
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341723 pages reserved
0 pages cma reserved
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-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+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
oom_reaper cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
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+0x91/0x8c0 mm/slab.c:2682
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
269 total pagecache pages
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 pages in swap cache
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Swap cache stats: add 0, delete 0, find 0/0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Free swap  = 0kB
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341723 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
oom_reaper cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 2545 2546 2546 2546
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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+0x2214/0x2870 mm/page_alloc.c:4315
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
269 total pagecache pages
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341723 pages reserved
0 pages cma reserved
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
oom_reaper cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 2545 2546 2546 2546
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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+0x2214/0x2870 mm/page_alloc.c:4315
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
269 total pagecache pages
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 pages in swap cache
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Swap cache stats: add 0, delete 0, find 0/0
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Free swap  = 0kB
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341723 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-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+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
oom_reaper cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 2545 2546 2546 2546
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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+0x2214/0x2870 mm/page_alloc.c:4315
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
269 total pagecache pages
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341723 pages reserved
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
0 pages cma reserved
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
oom_reaper cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557
 __build_skb+0x3e/0x310 net/core/skbuff.c:281
 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426
 netdev_alloc_skb include/linux/skbuff.h:2663 [inline]
 dev_alloc_skb include/linux/skbuff.h:2676 [inline]
 send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
lowmem_reserve[]: 0 2545 2546 2546 2546
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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+0x2214/0x2870 mm/page_alloc.c:4315
Node 1 Normal free:19964kB min:53704kB low:67128kB high:80552kB active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:292kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10256kB
Node 0 DMA32: 1122*4kB (UMEH) 609*8kB (UMEH) 158*16kB (UMEH) 19*32kB (UMH) 10*64kB (H) 3*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13520kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
Node 1 Normal: 5*4kB (ME) 7*8kB (UME) 5*16kB (UME) 5*32kB (UME) 3*64kB (UM) 4*128kB (ME) 0*256kB 3*512kB (UME) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2682
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
269 total pagecache pages
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
0 pages in swap cache
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
Total swap = 0kB
1965979 pages RAM
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
0 pages HighMem/MovableOnly
341723 pages reserved
0 pages cma reserved
syz-executor.0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.0 cpuset=syz0 mems_allowed=0-1
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x139/0x420 kernel/smp.c:302
Code: 00 e8 6b 69 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 43 fa ff ff 41 89 c5 eb 07 e8 49 69 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b4 6a 0a 00 45 85 e4
RSP: 0018:ffff8880a7d4f840 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a7d62300 RBX: 1ffff11014fa9f0c RCX: ffffffff8160dcec
RDX: 0000000000000000 RSI: ffffffff8160dcd7 RDI: 0000000000000005
RBP: ffff8880a7d4f918 R08: ffff8880a7d62300 R09: ffffed1015d25a81
R10: ffffed1015d25a80 R11: ffff8880ae92d407 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 smp_call_function_many+0x75f/0x8e0 kernel/smp.c:434
 native_flush_tlb_others+0x81/0x420 arch/x86/mm/tlb.c:676
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_mm_range+0x21c/0x350 arch/x86/mm/tlb.c:725
 flush_tlb_batched_pending+0x6e/0xb0 mm/rmap.c:662
 zap_pte_range mm/memory.c:1301 [inline]
 zap_pmd_range mm/memory.c:1440 [inline]
 zap_pud_range mm/memory.c:1469 [inline]
 zap_p4d_range mm/memory.c:1490 [inline]
 unmap_page_range+0x8b5/0x1fb0 mm/memory.c:1511
 __oom_reap_task_mm+0x1fb/0x3a0 mm/oom_kill.c:529
 oom_reap_task_mm mm/oom_kill.c:567 [inline]
 oom_reap_task mm/oom_kill.c:591 [inline]
 oom_reaper+0x246/0x1160 mm/oom_kill.c:629
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 15197 Comm: syz-executor.0 Not tainted 4.19.93-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+0x197/0x210 lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
oom_reaper cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315
 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417
 __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+0x91/0x8c0 mm/slab.c:2682
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224
 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647
 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825
 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1684 [inline]
 __run_timers kernel/time/timer.c:1652 [inline]
 run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697
 __do_softirq+0x25c/0x921 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc mm/slab.c:3390 [inline]
RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557
Code: 7e 0f 85 db fe ff ff e8 d8 e3 5d ff e9 d1 fe ff ff e8 4d fd cd ff 48 83 3d ad d8 4f 07 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 2a 23
RSP: 0000:ffff8880523ef920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808301ef80 RDI: 0000000000000282
RBP: ffff8880523ef988 R08: ffff88808301e700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40
 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284
 ____bpf_clone_redirect net/core/filter.c:2076 [inline]
 bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063
 bpf_prog_bebbfe2050753572+0x5b6/0x1000
 ? 0xffffffff81000000
 bpf_test_run_one net/bpf/test_run.c:22 [inline]
 bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43
 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147
 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1791
 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2373 [inline]
 __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: Bad RIP value.
RSP: 002b:00007f4b10182c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000040 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b101836d4
R13: 00000000004c15ad R14: 00000000004d61a0 R15: 00000000ffffffff
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 1084 Comm: oom_reaper Not tainted 4.19.93-syzkaller #0
Mem-Info:
active_anon:98919 inactive_anon:189 isolated_anon:0
 active_file:13 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:11917 slab_unreclaimable:1406167
 mapped:52226 shmem:245 pagetables:1013 bounce:0
 free:10923 free_pcp:135 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:1432kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10256kB min:220kB low:272kB high:324kB 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+0x197/0x210 lib/dump_stack.c:118
lowmem_reserve[]: 0 2545 2546 2546 2546
 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455
Node 0 DMA32 free:13472kB min:36168kB low:45208kB high:54248kB active_anon:394244kB inactive_anon:756kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609808kB mlocked:0kB kernel_stack:7424kB pagetables:4052kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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