CPU: 1 PID: 5349 Comm: rsyslogd Not tainted 4.19.0+ #135 rcu: INFO: rcu_preempt self-detected stall on CPU Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: 0-...!: (260 ticks this GP) idle=34e/1/0x4000000000000004 softirq=30033/30035 fqs=0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 rcu: (t=10668 jiffies g=41937 q=18) rcu: rcu_preempt kthread starved for 10668 jiffies! g41937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22696 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474 schedule+0xfe/0x460 kernel/sched/core.c:3518 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934 __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+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090 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+0x308/0xb7e kernel/softirq.c:292 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 NMI backtrace for cpu 0 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x358/0x39d lib/dump_stack.c:118 Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 RSP: 0000:ffff8801bb41e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bb4343c0 RBX: 1ffffffff12a3e8e RCX: 1ffff10037686996 RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 RBP: ffff8801bb41e2c8 R08: ffff8801bb434cb0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bb4343c0 R12: 1ffff10037683c4c R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 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+0x22d4/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 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:2993 do_read_fault mm/memory.c:3405 [inline] do_fault mm/memory.c:3505 [inline] handle_pte_fault mm/memory.c:3736 [inline] __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136 RIP: 0033:0x7f03c33aa1fd Code: Bad RIP value. RSP: 002b:00007f03c0949e30 EFLAGS: 00010293 RAX: 00000000000000b9 RBX: 0000000000a60670 RCX: 00007f03c33aa1fd RDX: 0000000000000fff RSI: 00007f03c217e5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000a4b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f03c094a9c0 R14: 00007f03c39ef040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 18222 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:48751 inactive_anon:2361 isolated_anon:0 active_file:13 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9268 slab_unreclaimable:1472683 mapped:32787 shmem:2368 pagetables:548 bounce:0 free:13720 free_pcp:477 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:9472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB 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+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818 6321 nmi_cpu_backtrace.cold.1+0x5c/0xa1 lib/nmi_backtrace.c:101 6321 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62 Node 0 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 DMA32 free:25164kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB trigger_single_cpu_backtrace include/linux/nmi.h:162 [inline] rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195 lowmem_reserve[]: print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334 0 0 3503 3503 Node 0 Normal free:13808kB min:37364kB low:46704kB high:56044kB active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2192kB bounce:0kB free_pcp:1908kB local_pcp:740kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 check_cpu_stall kernel/rcu/tree.c:1408 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506 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: 5*4kB (UM) 1*8kB (U) 3*16kB (UM) update_process_times+0x2d/0x70 kernel/time/timer.c:1636 2*32kB tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164 (UM) tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 3*64kB __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25164kB Node 0 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 Normal: local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059 1040*4kB (UMEH) 480*8kB (ME) 183*16kB (ME) 61*32kB (UME) apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 15*64kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642 (M) Code: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 0*128kB 0*256kB RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 0*512kB RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039cb0da9 0*1024kB RDX: 0000000000000000 RSI: ffff8801ce586d50 RDI: 0000000000000286 0*2048kB RBP: ffff8801dae07448 R08: ffff8801ce586d48 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8801ce586480 R12: ffff8801d9bd2680 0*4096kB R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286 = 13840kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2394 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 alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 0 pages HighMem/MovableOnly aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 rsyslogd cpuset= call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 / 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+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661 Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 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 a5 01 00 00 48 c7 c7 1a 90 RSP: 0000:ffff8801c16574a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce586d00 RDI: 0000000000000286 RBP: ffff8801c1657518 R08: ffff8801ce586480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071 __bpf_try_make_writable net/core/filter.c:1638 [inline] bpf_try_make_writable net/core/filter.c:1644 [inline] bpf_try_make_head_writable net/core/filter.c:1652 [inline] ____bpf_clone_redirect net/core/filter.c:2089 [inline] bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0x39b/0x1000 CPU: 1 PID: 5349 Comm: rsyslogd Not tainted 4.19.0+ #135 aoe: skb alloc failure Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset= __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 syz3 mems_allowed=0 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 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+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 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+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x358/0x39d lib/dump_stack.c:118 Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 RSP: 0000:ffff8801bb41e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bb4343c0 RBX: 1ffffffff12a3e8e RCX: 1ffff10037686996 RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 RBP: ffff8801bb41e2c8 R08: ffff8801bb434cb0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bb4343c0 R12: 1ffff10037683c4c R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 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+0x22d4/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 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:2993 do_read_fault mm/memory.c:3405 [inline] do_fault mm/memory.c:3505 [inline] handle_pte_fault mm/memory.c:3736 [inline] __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136 RIP: 0033:0x7f03c33aa1fd Code: Bad RIP value. RSP: 002b:00007f03c0949e30 EFLAGS: 00010293 RAX: 00000000000000b9 RBX: 0000000000a60670 RCX: 00007f03c33aa1fd RDX: 0000000000000fff RSI: 00007f03c217e5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000a4b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f03c094a9c0 R14: 00007f03c39ef040 R15: 0000000000000003 Mem-Info: CPU: 0 PID: 18222 Comm: syz-executor3 Not tainted 4.19.0+ #135 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:48751 inactive_anon:2361 isolated_anon:0 active_file:13 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9268 slab_unreclaimable:1472683 mapped:32787 shmem:2368 pagetables:548 bounce:0 free:13720 free_pcp:477 free_cma:0 Call Trace: Node 0 active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:9472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d 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.117+0xb7/0x1bd mm/page_alloc.c:3426 2818 6321 6321 Node 0 DMA32 free:25164kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13808kB min:37364kB low:46704kB high:56044kB active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2192kB bounce:0kB free_pcp:1908kB local_pcp:740kB 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 __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+0xa5/0x8c0 mm/slab.c:2677 DMA32: 5*4kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 1*8kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (U) 3*16kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UM) 2*32kB (UM) 3*64kB (M) 4*128kB (M) alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 3*256kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (UM) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 3*4096kB (M) = 25164kB Node 0 Normal: 1040*4kB (UMEH) 480*8kB (ME) 183*16kB (ME) 61*32kB (UME) 15*64kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13840kB 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 2394 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 Total swap = 0kB 1965979 pages RAM __do_softirq+0x308/0xb7e kernel/softirq.c:292 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / mems_allowed=0 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661 Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 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 a5 01 00 00 48 c7 c7 1a 90 RSP: 0000:ffff8801c16574a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce586d00 RDI: 0000000000000286 RBP: ffff8801c1657518 R08: ffff8801ce586480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071 __bpf_try_make_writable net/core/filter.c:1638 [inline] bpf_try_make_writable net/core/filter.c:1644 [inline] bpf_try_make_head_writable net/core/filter.c:1652 [inline] ____bpf_clone_redirect net/core/filter.c:2089 [inline] bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0x39b/0x1000 CPU: 1 PID: 5349 Comm: rsyslogd Not tainted 4.19.0+ #135 aoe: skb alloc failure 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+0x244/0x39d lib/dump_stack.c:113 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor3 cpuset= syz3 mems_allowed=0 __alloc_pages_slowpath+0x2660/0x2d70 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+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 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+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x358/0x39d lib/dump_stack.c:118 Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 RSP: 0000:ffff8801bb41e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bb4343c0 RBX: 1ffffffff12a3e8e RCX: 1ffff10037686996 RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 RBP: ffff8801bb41e2c8 R08: ffff8801bb434cb0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bb4343c0 R12: 1ffff10037683c4c R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 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+0x22d4/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 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:2993 do_read_fault mm/memory.c:3405 [inline] do_fault mm/memory.c:3505 [inline] handle_pte_fault mm/memory.c:3736 [inline] __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136 RIP: 0033:0x7f03c33aa1fd Code: Bad RIP value. RSP: 002b:00007f03c0949e30 EFLAGS: 00010293 RAX: 00000000000000b9 RBX: 0000000000a60670 RCX: 00007f03c33aa1fd RDX: 0000000000000fff RSI: 00007f03c217e5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000a4b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f03c094a9c0 R14: 00007f03c39ef040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 18222 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:48751 inactive_anon:2361 isolated_anon:0 active_file:13 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9268 slab_unreclaimable:1472683 mapped:32787 shmem:2368 pagetables:548 bounce:0 free:13720 free_pcp:477 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:9472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d 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.117+0xb7/0x1bd mm/page_alloc.c:3426 0 2818 6321 6321 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 Node 0 DMA32 free:25164kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13808kB min:37364kB low:46704kB high:56044kB active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5408kB pagetables:2192kB bounce:0kB free_pcp:1908kB local_pcp:740kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) __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+0xa5/0x8c0 mm/slab.c:2677 = 15908kB Node 0 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 DMA32: ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 5*4kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (UM) 1*8kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (U) 3*16kB (UM) 2*32kB (UM) 3*64kB (M) alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 4*128kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (M) 3*256kB (M) 4*512kB (UM) 3*1024kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (UM) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 3*2048kB (UM) 3*4096kB (M) = 25164kB Node 0 Normal: 1040*4kB (UMEH) 480*8kB (ME) 183*16kB (ME) expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 61*32kB (UME) 15*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13840kB 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 2394 total pagecache pages run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB __do_softirq+0x308/0xb7e kernel/softirq.c:292 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342867 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 / exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 mems_allowed=0 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661 Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 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 a5 01 00 00 48 c7 c7 1a 90 RSP: 0000:ffff8801c16574a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce586d00 RDI: 0000000000000286 RBP: ffff8801c1657518 R08: ffff8801ce586480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.40+0xcc/0xe0 net/core/skbuff.c:145 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5071 __bpf_try_make_writable net/core/filter.c:1638 [inline] bpf_try_make_writable net/core/filter.c:1644 [inline] bpf_try_make_head_writable net/core/filter.c:1652 [inline] ____bpf_clone_redirect net/core/filter.c:2089 [inline] bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0x39b/0x1000 CPU: 1 PID: 5349 Comm: rsyslogd Not tainted 4.19.0+ #135 aoe: skb alloc failure 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+0x244/0x39d lib/dump_stack.c:113 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 syz-executor3 cpuset= syz3 mems_allowed=0 __alloc_pages_slowpath+0x2660/0x2d70 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+0xa5/0x8c0 mm/slab.c:2677 fallback_alloc+0x204/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836 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+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x358/0x39d lib/dump_stack.c:118 Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 RSP: 0000:ffff8801bb41e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801bb4343c0 RBX: 1ffffffff12a3e8e RCX: 1ffff10037686996 RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293 RBP: ffff8801bb41e2c8 R08: ffff8801bb434cb0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bb4343c0 R12: 1ffff10037683c4c R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 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+0x22d4/0x2d70 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 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:2993 do_read_fault mm/memory.c:3405 [inline] do_fault mm/memory.c:3505 [inline] handle_pte_fault mm/memory.c:3736 [inline] __handle_mm_fault+0x307c/0x5920 mm/memory.c:3860 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1136 RIP: 0033:0x7f03c33aa1fd Code: Bad RIP value. RSP: 002b:00007f03c0949e30 EFLAGS: 00010293 RAX: 00000000000000b9 RBX: 0000000000a60670 RCX: 00007f03c33aa1fd RDX: 0000000000000fff RSI: 00007f03c217e5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000a4b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f03c094a9c0 R14: 00007f03c39ef040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 18222 Comm: syz-executor3 Not tainted 4.19.0+ #135 Mem-Info: active_anon:48751 inactive_anon:2361 isolated_anon:0 active_file:13 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9268 slab_unreclaimable:1472683 mapped:32787 shmem:2368 pagetables:548 bounce:0 free:13720 free_pcp:477 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:195004kB inactive_anon:9444kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:9472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB 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+0x244/0x39d lib/dump_stack.c:113 lowmem_reserve[]: 0 2818