RDX: 0000000000000000 RSI: 00007ffd7eade310 RDI: 000000000000000b RBP: 00007ffd7eade310 R08: 00007ffd7eade390 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd7eade6f0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7756 Comm: syz-executor3 Not tainted 4.19.0+ #134 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: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 (detected by 1, t=10625 jiffies, g=102881, q=13) rcu: All QSes seen, last rcu_preempt kthread activity 10337 (4295016031-4295005694), jiffies_till_next_fqs=1, root ->qsmask 0x0 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 init R running task 8568 1 0 0x80000008 Call Trace: __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 sched_show_task.cold.81+0x2b6/0x30a kernel/sched/core.c:5297 print_other_cpu_stall.cold.66+0x7dd/0x8bb kernel/rcu/tree.c:1286 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 check_cpu_stall kernel/rcu/tree.c:1415 [inline] rcu_pending kernel/rcu/tree.c:2961 [inline] rcu_check_callbacks+0xfd7/0x13f0 kernel/rcu/tree.c:2506 __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 __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:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0xb9f/0x1000 update_process_times+0x2d/0x70 kernel/time/timer.c:1636 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 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 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 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:50231 inactive_anon:5711 isolated_anon:0 active_file:14 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9504 slab_unreclaimable:1467597 mapped:40979 shmem:9813 pagetables:586 bounce:0 free:13716 free_pcp:294 free_cma:0 Node 0 active_anon:200924kB inactive_anon:22844kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:39252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 Node 0 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 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 Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 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 c2 3b lowmem_reserve[]: 0 RSP: 0000:ffff8801daf073d8 EFLAGS: 00000286 2819 6323 ORIG_RAX: ffffffffffffff13 6323 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b34812b Node 0 RDX: 0000000000000000 RSI: ffff8801d9a40960 RDI: 0000000000000286 DMA32 free:25140kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB RBP: ffff8801daf07448 R08: ffff8801d9a40958 R09: 0000000000000002 lowmem_reserve[]: 0 R10: 0000000000000000 R11: ffff8801d9a40040 R12: ffff8801d9bd2680 0 3503 R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286 3503 Node 0 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 Normal free:13816kB min:37352kB low:46688kB high:56024kB active_anon:200924kB inactive_anon:22844kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5216kB pagetables:2344kB bounce:0kB free_pcp:772kB local_pcp:388kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 1*4kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 (U) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 5*4kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 (UM) 2*8kB (UM) 3*16kB (M) 3*32kB (UM) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 3*4096kB (M) = 25140kB __do_softirq+0x308/0xb7e kernel/softirq.c:292 Node 0 Normal: 1714*4kB (UME) 596*8kB (UMEH) 89*16kB (UME) 23*32kB (UMH) 2*64kB (UH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 = 13912kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 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 9839 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 342293 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 CPU: 0 PID: 7756 Comm: syz-executor3 Not tainted 4.19.0+ #134 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:801 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:dump_stack+0x20e/0x39d lib/dump_stack.c:108 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 18 11 fa 48 83 3d ef ac 80 01 00 74 ad e8 c8 3f ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 3f ce f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801d9a4e220 EFLAGS: 00000293 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: ffffffff8931f630 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87b14948 RDI: 0000000000000293 RBP: ffff8801d9a4e2c8 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000001 dump_header+0x27b/0xf72 mm/oom_kill.c:441 __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 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 fallback_alloc+0x204/0x2e0 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:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0xb9f/0x1000 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 ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:946 ksoftirqd/0 cpuset= / mems_allowed=0 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0+ #134 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 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:2993 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 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 __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 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 __build_skb+0xab/0x430 net/core/skbuff.c:281 __napi_alloc_skb+0x1d6/0x310 net/core/skbuff.c:482 napi_alloc_skb include/linux/skbuff.h:2696 [inline] page_to_skb.isra.41+0xee/0x8d0 drivers/net/virtio_net.c:377 handle_mm_fault+0x54f/0xc70 mm/memory.c:3897 receive_mergeable+0x155d/0x3a90 drivers/net/virtio_net.c:900 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: 0033:0x7f01c7eacdd3 Code: Bad RIP value. RSP: 002b:00007ffd7eaddfb8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd7eade160 RCX: 00007f01c7eacdd3 RDX: 0000000000000000 RSI: 00007ffd7eade310 RDI: 000000000000000b RBP: 00007ffd7eade310 R08: 00007ffd7eade390 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd7eade6f0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10337 jiffies! g102881 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22392 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x8cf/0x21d0 kernel/sched/core.c:3474 receive_buf+0xb3c/0x3270 drivers/net/virtio_net.c:1009 schedule+0xfe/0x460 kernel/sched/core.c:3518 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_fqs_loop+0x762/0xa80 kernel/rcu/tree.c:1934 virtnet_receive drivers/net/virtio_net.c:1298 [inline] virtnet_poll+0x421/0x105f drivers/net/virtio_net.c:1385 rcu_gp_kthread+0x341/0xc70 kernel/rcu/tree.c:2090 napi_poll net/core/dev.c:6275 [inline] net_rx_action+0x7fa/0x19b0 net/core/dev.c:6341 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350 aoe: skb alloc failure init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= __do_softirq+0x308/0xb7e kernel/softirq.c:292 / mems_allowed=0 run_ksoftirqd+0x5e/0x100 kernel/softirq.c:654 smpboot_thread_fn+0x68b/0xa00 kernel/smpboot.c:164 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:350 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #134 Mem-Info: active_anon:50231 inactive_anon:5711 isolated_anon:0 active_file:14 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9504 slab_unreclaimable:1467597 mapped:40979 shmem:9813 pagetables:586 bounce:0 free:13716 free_pcp:294 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:200924kB inactive_anon:22844kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:39252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB 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 2819 6323 6323 Node 0 DMA32 free:25140kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13816kB min:37352kB low:46688kB high:56024kB active_anon:200924kB inactive_anon:22844kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5216kB pagetables:2344kB bounce:0kB free_pcp:772kB local_pcp:388kB 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 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) = 15908kB Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 3*16kB (M) fallback_alloc+0x204/0x2e0 mm/slab.c:3219 3*32kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (UM) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 2*64kB (M) 2*128kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (M) 4*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) 3*4096kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (M) = 25140kB Node 0 Normal: 1714*4kB (UME) discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 596*8kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (UMEH) 89*16kB (UME) 23*32kB (UMH) 2*64kB (UH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13912kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 9839 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 342293 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+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+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 18 11 fa 48 83 3d ef ac 80 01 00 74 ad e8 c8 3f ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 3f ce f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801d9a4e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: ffffffff8931f630 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87b14948 RDI: 0000000000000293 RBP: ffff8801d9a4e2c8 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 R13: 0000000000000000 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: 0033:0x7f01c7eacdd3 Code: Bad RIP value. RSP: 002b:00007ffd7eaddfb8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd7eade160 RCX: 00007f01c7eacdd3 RDX: 0000000000000000 RSI: 00007ffd7eade310 RDI: 000000000000000b RBP: 00007ffd7eade310 R08: 00007ffd7eade390 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd7eade6f0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7756 Comm: syz-executor3 Not tainted 4.19.0+ #134 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 init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 init cpuset= / 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 __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:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0xb9f/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #134 Mem-Info: active_anon:50231 inactive_anon:5711 isolated_anon:0 active_file:13 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9504 slab_unreclaimable:1467597 mapped:40979 shmem:9813 pagetables:586 bounce:0 free:13732 free_pcp:294 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:200924kB inactive_anon:22844kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:39252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB 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 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 2819 6323 6323 Node 0 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 DMA32 free:25140kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13880kB min:37352kB low:46688kB high:56024kB active_anon:200924kB inactive_anon:22844kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5216kB pagetables:2344kB bounce:0kB free_pcp:772kB local_pcp:388kB 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: 5*4kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 (UM) 2*8kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 3*16kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) 3*32kB (UM) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 2*64kB (M) 2*128kB (M) 4*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:1381 3*4096kB (M) = 25140kB Node 0 Normal: discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 1714*4kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (UME) 596*8kB (UMEH) 89*16kB (UME) 23*32kB (UMH) 2*64kB (UH) 0*128kB 0*256kB 0*512kB 0*1024kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 0*2048kB 0*4096kB = 13912kB 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 9839 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 342293 pages reserved run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 0 pages cma reserved __do_softirq+0x308/0xb7e kernel/softirq.c:292 syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor3 cpuset=syz3 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:dump_stack+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 18 11 fa 48 83 3d ef ac 80 01 00 74 ad e8 c8 3f ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 3f ce f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801d9a4e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: ffffffff8931f630 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87b14948 RDI: 0000000000000293 RBP: ffff8801d9a4e2c8 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 R13: 0000000000000000 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: 0033:0x7f01c7eacdd3 Code: Bad RIP value. RSP: 002b:00007ffd7eaddfb8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffd7eade160 RCX: 00007f01c7eacdd3 RDX: 0000000000000000 RSI: 00007ffd7eade310 RDI: 000000000000000b RBP: 00007ffd7eade310 R08: 00007ffd7eade390 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffd7eade6f0 R14: 0000000000000000 R15: 0000000000000000 CPU: 0 PID: 7756 Comm: syz-executor3 Not tainted 4.19.0+ #134 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 warn_alloc.cold.117+0xb7/0x1bd mm/page_alloc.c:3426 init: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) init cpuset= / 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 __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:2080 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2067 bpf_prog_bebbfe2050753572+0xb9f/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #134 Mem-Info: active_anon:50231 inactive_anon:5711 isolated_anon:0 active_file:12 inactive_file:14 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9504 slab_unreclaimable:1467597 mapped:40979 shmem:9813 pagetables:586 bounce:0 free:13732 free_pcp:294 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:200924kB inactive_anon:22844kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:39252kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB 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 2819 6323 6323 __alloc_pages_slowpath+0x2660/0x2d70 mm/page_alloc.c:4297 Node 0 DMA32 free:25140kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13880kB min:37352kB low:46688kB high:56024kB active_anon:200924kB inactive_anon:22844kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5216kB pagetables:2344kB bounce:0kB free_pcp:772kB local_pcp:388kB 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: 5*4kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0xa5/0x8c0 mm/slab.c:2677 (UM) 2*8kB fallback_alloc+0x204/0x2e0 mm/slab.c:3219 (UM) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 3*16kB slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 (M) 3*32kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UM) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) alloc_skb include/linux/skbuff.h:997 [inline] new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67 3*2048kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1381 (M) 3*4096kB (M) = 25140kB Node 0 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24 Normal: call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 1714*4kB (UME) 596*8kB (UMEH) 89*16kB (UME) 23*32kB (UMH) 2*64kB (UH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 = 13912kB 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 9839 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 342293 pages reserved 0 pages cma reserved syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 syz-executor3 cpuset= syz3 mems_allowed=0 __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+0x20e/0x39d lib/dump_stack.c:108 Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 18 11 fa 48 83 3d ef ac 80 01 00 74 ad e8 c8 3f ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 b5 3f ce f9 f3 90 e9 6f fe ff ff 45 31 e4 eb 06 RSP: 0000:ffff8801d9a4e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8801d9a40040 RBX: ffffffff8931f630 RCX: 1ffff1003b348126 RDX: 0000000000000000 RSI: ffffffff87b14948 RDI: 0000000000000293 RBP: ffff8801d9a4e2c8 R08: ffff8801d9a40930 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801d9a40040 R12: dffffc0000000000 R13: 0000000000000000 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