CPU: 1 PID: 8347 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #106 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: (detected by 0, t=10635 jiffies, g=44689, q=18) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 rcu: All QSes seen, last rcu_preempt kthread activity 10557 (4294984342-4294973785), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor3 R warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 running task 20960 19865 5412 0x00000004 Call Trace: sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430 check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3276 [inline] rcu_pending kernel/rcu/tree.c:3319 [inline] rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 86 d0 3e ff e9 c5 fe ff ff e8 dd 13 c3 ff 48 83 3d bd 44 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 32 e8 RSP: 0000:ffff88016965f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 RDX: 0000000000000000 RSI: ffff880100e8ef40 RDI: 0000000000000286 RBP: ffff88016965f7b0 R08: ffff880100e8e6c0 R09: 0000000000000000 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7800 R14: ffff8801d9be7800 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_bebbfe2050753572+0x2e3/0x1000 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 32 18 fa 48 83 3d a9 1e 88 01 00 75 07 e8 1a e2 d4 f9 0f 0b e8 13 e2 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 5d 32 18 fa 4c 8b 45 d0 e9 RSP: 0018:ffff88019c13e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88019cabc400 RBX: 0000000000000293 RCX: 1ffff1003395799e RDX: 0000000000000000 RSI: ffffffff87a9d36d RDI: 0000000000000293 RBP: ffff88019c13e240 R08: ffff88019cabccf0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff88019cabc400 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f200 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 rcu: rcu_preempt kthread starved for 10557 jiffies! g44689 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22736 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= syz3 mems_allowed=0 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x44b69a Code: Bad RIP value. RSP: 002b:000000c42001ff60 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000091c108 RSI: 00000000014cd960 RDI: 0000000000000001 RBP: 000000c42001ffd0 R08: 0000000000000005 R09: 0000000000000000 R10: 000000c427522e80 R11: 000000543b298c8f R12: 0000000000000001 R13: 000000c42a6d7140 R14: 0000000000000001 R15: 0000000000000000 warn_alloc_show_mem: 2 callbacks suppressed CPU: 0 PID: 19865 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #106 Mem-Info: active_anon:55252 inactive_anon:112 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8955 slab_unreclaimable:1468881 mapped:40962 shmem:119 pagetables:616 bounce:0 free:13748 free_pcp:207 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 lowmem_reserve[]: 0 2819 6323 6323 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:25288kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13796kB min:37352kB low:46688kB high:56024kB active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2464kB bounce:0kB free_pcp:580kB local_pcp:328kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 = 15908kB Node 0 DMA32: fallback_alloc+0x203/0x2e0 mm/slab.c:3219 4*4kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (M) __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 1*8kB skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 (U) 3*16kB (UM) 2*32kB (M) 5*64kB ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 (UM) 4*128kB bpf_prog_bebbfe2050753572+0x2e3/0x1000 (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25288kB Node 0 Normal: 909*4kB (UMEH) 456*8kB (ME) 183*16kB (UME) 78*32kB (UME) 17*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB 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 154 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 1965979 pages RAM syz-executor3 cpuset= 0 pages HighMem/MovableOnly 342307 pages reserved syz3 0 pages cma reserved aoe: skb alloc failure mems_allowed=0 CPU: 0 PID: 19865 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 syz-fuzzer cpuset= / warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_bebbfe2050753572+0x2e3/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8347 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #106 Mem-Info: active_anon:55252 inactive_anon:112 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8955 slab_unreclaimable:1468881 mapped:40962 shmem:119 pagetables:616 bounce:0 free:13748 free_pcp:207 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lowmem_reserve[]: 0 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 2819 6323 6323 Node 0 DMA32 free:25288kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13796kB min:37352kB low:46688kB high:56024kB active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2464kB bounce:0kB free_pcp:580kB local_pcp:252kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) 1*8kB (U) 3*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 3*256kB (M) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 4*512kB (UM) 3*1024kB (UM) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*2048kB (M) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 3*4096kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) = 25288kB Node 0 Normal: 909*4kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UMEH) 456*8kB (ME) 183*16kB (UME) 78*32kB (UME) 17*64kB (UM) 0*128kB alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 0*256kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB 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 154 total pagecache pages discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 0 pages in swap cache call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342307 pages reserved 0 pages cma reserved syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= syz3 mems_allowed=0 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 32 18 fa 48 83 3d a9 1e 88 01 00 75 07 e8 1a e2 d4 f9 0f 0b e8 13 e2 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 5d 32 18 fa 4c 8b 45 d0 e9 RSP: 0018:ffff88019c13e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88019cabc400 RBX: 0000000000000293 RCX: 1ffff1003395799e RDX: 0000000000000000 RSI: ffffffff87a9d36d RDI: 0000000000000293 RBP: ffff88019c13e240 R08: ffff88019cabccf0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff88019cabc400 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f200 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x44b69a Code: Bad RIP value. RSP: 002b:000000c42001ff60 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000091c108 RSI: 00000000014cd960 RDI: 0000000000000001 RBP: 000000c42001ffd0 R08: 0000000000000005 R09: 0000000000000000 R10: 000000c427522e80 R11: 000000543b298c8f R12: 0000000000000001 R13: 000000c42a6d7140 R14: 0000000000000001 R15: 0000000000000000 CPU: 0 PID: 19865 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #106 Mem-Info: active_anon:55252 inactive_anon:112 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8955 slab_unreclaimable:1468881 mapped:40962 shmem:119 pagetables:616 bounce:0 free:13748 free_pcp:207 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 2819 6323 6323 Node 0 DMA32 free:25288kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 0 3503 3503 Node 0 Normal free:13796kB min:37352kB low:46688kB high:56024kB active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2464kB bounce:0kB free_pcp:580kB local_pcp:328kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB (U) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 3*16kB (UM) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 2*32kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (M) __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 5*64kB skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 (UM) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 3*2048kB (M) bpf_prog_bebbfe2050753572+0x2e3/0x1000 3*4096kB (M) = 25288kB Node 0 Normal: 909*4kB (UMEH) 456*8kB (ME) 183*16kB (UME) 78*32kB (UME) 17*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB 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 154 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342307 pages reserved 0 pages cma reserved aoe: skb alloc failure syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset= / mems_allowed=0 CPU: 1 PID: 8347 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #106 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor3 cpuset= Call Trace: syz3 mems_allowed=0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 32 18 fa 48 83 3d a9 1e 88 01 00 75 07 e8 1a e2 d4 f9 0f 0b e8 13 e2 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 5d 32 18 fa 4c 8b 45 d0 e9 RSP: 0018:ffff88019c13e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88019cabc400 RBX: 0000000000000293 RCX: 1ffff1003395799e RDX: 0000000000000000 RSI: ffffffff87a9d36d RDI: 0000000000000293 RBP: ffff88019c13e240 R08: ffff88019cabccf0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff88019cabc400 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f200 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x44b69a Code: Bad RIP value. RSP: 002b:000000c42001ff60 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000091c108 RSI: 00000000014cd960 RDI: 0000000000000001 RBP: 000000c42001ffd0 R08: 0000000000000005 R09: 0000000000000000 R10: 000000c427522e80 R11: 000000543b298c8f R12: 0000000000000001 R13: 000000c42a6d7140 R14: 0000000000000001 R15: 0000000000000000 CPU: 0 PID: 19865 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #106 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:55252 inactive_anon:112 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8955 slab_unreclaimable:1468881 mapped:40962 shmem:119 pagetables:616 bounce:0 free:13748 free_pcp:207 free_cma:0 Call Trace: Node 0 active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 lowmem_reserve[]: 0 2819 6323 6323 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:25288kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13796kB min:37352kB low:46688kB high:56024kB active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2464kB bounce:0kB free_pcp:580kB local_pcp:328kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 1*2048kB (M) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 3*4096kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (M) __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 = 15908kB skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 Node 0 DMA32: 4*4kB (M) 1*8kB (U) ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 3*16kB (UM) bpf_prog_bebbfe2050753572+0x2e3/0x1000 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25288kB Node 0 Normal: 909*4kB (UMEH) 456*8kB (ME) 183*16kB (UME) 78*32kB (UME) 17*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB 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 154 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Total swap = 0kB syz-executor3 cpuset= 1965979 pages RAM syz3 0 pages HighMem/MovableOnly 342307 pages reserved mems_allowed=0 0 pages cma reserved aoe: skb alloc failure CPU: 0 PID: 19865 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #106 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset= warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 / mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_bebbfe2050753572+0x2e3/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8347 Comm: syz-fuzzer Not tainted 4.19.0-rc5+ #106 Mem-Info: active_anon:55252 inactive_anon:112 isolated_anon:0 active_file:17 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8955 slab_unreclaimable:1468881 mapped:40962 shmem:119 pagetables:616 bounce:0 free:13748 free_pcp:207 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 204800kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 0 2819 6323 6323 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 Node 0 DMA32 free:25288kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13796kB min:37352kB low:46688kB high:56024kB active_anon:221008kB inactive_anon:448kB active_file:68kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5376kB pagetables:2464kB bounce:0kB free_pcp:580kB local_pcp:252kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 (U) 3*16kB fallback_alloc+0x203/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 2*32kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) 5*64kB (UM) 4*128kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 (M) aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374 3*4096kB (M) = 25288kB Node 0 Normal: 909*4kB (UMEH) discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 456*8kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (ME) 183*16kB (UME) 78*32kB (UME) 17*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB 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 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 154 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342307 pages reserved 0 pages cma reserved syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= syz3 mems_allowed=0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 a9 32 18 fa 48 83 3d a9 1e 88 01 00 75 07 e8 1a e2 d4 f9 0f 0b e8 13 e2 d4 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 5d 32 18 fa 4c 8b 45 d0 e9 RSP: 0018:ffff88019c13e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88019cabc400 RBX: 0000000000000293 RCX: 1ffff1003395799e RDX: 0000000000000000 RSI: ffffffff87a9d36d RDI: 0000000000000293 RBP: ffff88019c13e240 R08: ffff88019cabccf0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff88019cabc400 R12: 0000000000000293 R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f200 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118 dump_header+0x27b/0xf72 mm/oom_kill.c:441 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953