INFO: rcu detected stall in discover

Kernel	Title	Repro	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in discover_timer block			19	1870d	2047d	0/26	closed as dup on 2019/01/02 16:30
linux-4.14	INFO: rcu detected stall in discover_timer	C	error	16	1360d	1572d	0/1	upstream: reported C repro on 2020/01/05 20:03
upstream	INFO: rcu detected stall in discover_timer (2) block			7	1605d	1668d	0/26	auto-closed as invalid on 2020/03/03 10:41

smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 mems_allowed=0-1 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 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: <IRQ> (detected by 1, t=10505 jiffies, g=45125, q=4) __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 rcu: All QSes seen, last rcu_preempt kthread activity 10373 (4295124563-4295114190), jiffies_till_next_fqs=1, root ->qsmask 0x0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 ksoftirqd/1 R running task 24656 18 2 0x80000008 Call Trace: <IRQ> sched_show_task kernel/sched/core.c:5297 [inline] sched_show_task.cold+0x2ee/0x35d kernel/sched/core.c:5272 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xaa1/0xd90 kernel/rcu/tree.c:2682 update_process_times+0x32/0x80 kernel/time/timer.c:1636 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:164 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1460 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1518 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 28 ca 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 3d a9 d0 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 52 d7 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 RSP: 0000:ffff8880aa2a7a20 EFLAGS: 00000282 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110154529ac RDX: 0000000000000000 RSI: ffff8880aa294d68 RDI: 0000000000000282 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 RBP: ffff8880aa2a7a88 R08: ffff8880aa2944c0 R09: ffff8880aa294d60 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 __build_skb+0x3e/0x310 net/core/skbuff.c:281 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 netdev_alloc_skb include/linux/skbuff.h:2645 [inline] dev_alloc_skb include/linux/skbuff.h:2658 [inline] send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 __do_softirq+0x25c/0x921 kernel/softirq.c:292 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 4e c7 1c 07 00 0f 84 b9 00 00 00 e8 db e3 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 e2 76 4c 00 e9 bc f3 RSP: 0000:ffff88808cb6f270 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888098a20100 RBX: 0000000000000200 RCX: 1ffff11013144143 RDX: 0000000000000000 RSI: ffffffff81557ec5 RDI: 0000000000000293 __do_softirq+0x25c/0x921 kernel/softirq.c:292 RBP: ffff88808cb6f2f8 R08: ffff888098a20100 R09: ffff888098a20a18 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84110790 R14: 000000000000003d R15: ffffffff88d792d0 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2001 kthread+0x354/0x420 kernel/kthread.c:246 dump_unreclaimable_slab.cold+0xde/0xe4 mm/slab_common.c:1371 dump_header+0x44b/0xa55 mm/oom_kill.c:447 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 rcu: rcu_preempt kthread starved for 10373 jiffies! g45125 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 running task 29104 10 2 0x80000000 Call Trace: out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 kthread+0x354/0x420 kernel/kthread.c:246 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) ksoftirqd/1 cpuset= ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6304 / __do_fault+0x111/0x480 mm/memory.c:3269 mems_allowed=0-1 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x4284f0 Code: Bad RIP value. RSP: 002b:000000c420039ea8 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97fd55 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017e6420 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000198f74b9715 R13: 0000000000000001 R14: 000000c4298a3500 R15: 0000000000000001 warn_alloc_show_mem: 2 callbacks suppressed CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 Node 0 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:1396kB free_cma:0kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 lowmem_reserve[]: 0 0 2 2 Node 0 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 0 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Node 1 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 __build_skb+0x3e/0x310 net/core/skbuff.c:281 lowmem_reserve[]: 0 __napi_alloc_skb+0x1d2/0x310 net/core/skbuff.c:486 0 napi_alloc_skb include/linux/skbuff.h:2689 [inline] page_to_skb+0x73/0x720 drivers/net/virtio_net.c:396 0 receive_mergeable drivers/net/virtio_net.c:936 [inline] receive_buf+0x1b9f/0x5430 drivers/net/virtio_net.c:1045 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) virtnet_receive drivers/net/virtio_net.c:1334 [inline] virtnet_poll+0x5f8/0xe90 drivers/net/virtio_net.c:1439 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB napi_poll net/core/dev.c:6278 [inline] net_rx_action+0x4f5/0x1070 net/core/dev.c:6344 1*2048kB (M) 2*4096kB (ME) __do_softirq+0x25c/0x921 kernel/softirq.c:292 = 10300kB Node 0 DMA32: 328*4kB run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 (MEH) smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 1139*8kB (MEH) 158*16kB (MH) kthread+0x354/0x420 kernel/kthread.c:246 8*32kB (MH) 3*64kB ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 (UH) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13528kB syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Node 0 Normal: syz-executor.2 cpuset=syz2 1*4kB mems_allowed=0-1 (U) 1*8kB CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 (U) 0*16kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0*32kB 0*64kB Call Trace: 0*128kB 0*256kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 0*512kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 0*1024kB 0*2048kB 0*4096kB = 12kB Node 1 Normal: 5*4kB (ME) __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 5*8kB (UME) 9*16kB (UME) 10*32kB (UME) 4*64kB (UME) __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 1*128kB (U) 1*256kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 (M) 2*512kB (ME) 3*1024kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 (UM) ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 1*2048kB (E) __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 3*4096kB (M) skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 = 19596kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB bpf_prog_bebbfe2050753572+0x60d/0x1000 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 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 338856 pages reserved 0 pages cma reserved aoe: skb alloc failure bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 syz-fuzzer cpuset= / mems_allowed=0-1 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 syz-executor.2: 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-executor.2 cpuset= Call Trace: syz2 <IRQ> mems_allowed=0-1 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 4e c7 1c 07 00 0f 84 b9 00 00 00 e8 db e3 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 e2 76 4c 00 e9 bc f3 RSP: 0000:ffff88808cb6f270 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888098a20100 RBX: 0000000000000200 RCX: 1ffff11013144143 RDX: 0000000000000000 RSI: ffffffff81557ec5 RDI: 0000000000000293 RBP: ffff88808cb6f2f8 R08: ffff888098a20100 R09: ffff888098a20a18 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84110790 R14: 000000000000003d R15: ffffffff88d792d0 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2001 dump_unreclaimable_slab.cold+0xde/0xe4 mm/slab_common.c:1371 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6304 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x4284f0 Code: Bad RIP value. RSP: 002b:000000c420039ea8 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97fd55 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017e6420 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000198f74b9715 R13: 0000000000000001 R14: 000000c4298a3500 R15: 0000000000000001 warn_alloc_show_mem: 2 callbacks suppressed CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 Node 0 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:1396kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 0 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Node 1 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 lowmem_reserve[]: 0 0 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0 0 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 bpf_prog_bebbfe2050753572+0x60d/0x1000 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 2*4096kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 (ME) = 10300kB Node 0 DMA32: 328*4kB (MEH) bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 1139*8kB __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 (MEH) 158*16kB (MH) 9*32kB (UMH) 3*64kB do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 (UH) entry_SYSCALL_64_after_hwframe+0x49/0xbe 1*128kB RIP: 0033:0x4598e9 (U) 0*256kB Code: Bad RIP value. 0*512kB RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 0*1024kB 0*2048kB ORIG_RAX: 0000000000000141 0*4096kB = 13560kB RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 Node 0 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a Normal: RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 1*4kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 (U) 1*8kB R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff (U) 0*16kB syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 0*32kB syz-executor.2 cpuset= 0*64kB 0*128kB syz2 0*256kB 0*512kB mems_allowed=0-1 0*1024kB 0*2048kB CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 0*4096kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 = 12kB Node 1 Call Trace: Normal: 5*4kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 (ME) warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 5*8kB (UME) 9*16kB (UME) 10*32kB (UME) 4*64kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 (UME) 1*128kB (U) 1*256kB (M) 2*512kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 (ME) 3*1024kB (UM) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 1*2048kB (E) 3*4096kB (M) = 19596kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 total pagecache pages skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0 pages in swap cache ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Swap cache stats: add 0, delete 0, find 0/0 bpf_prog_bebbfe2050753572+0x60d/0x1000 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 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=0-1 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes <IRQ> Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 lowmem_reserve[]: 0 2555 2557 2557 Node 0 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:248kB free_cma:0kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 lowmem_reserve[]: 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 Node 1 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 0 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 0 Node 0 DMA: discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 1*4kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 0*64kB 0*128kB 0*256kB 0*512kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 0*1024kB 1*2048kB (M) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 2*4096kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 (ME) apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 = 10300kB </IRQ> Node 0 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 DMA32: Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 4e c7 1c 07 00 0f 84 b9 00 00 00 e8 db e3 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 e2 76 4c 00 e9 bc f3 328*4kB RSP: 0000:ffff88808cb6f270 EFLAGS: 00000293 (MEH) ORIG_RAX: ffffffffffffff13 1139*8kB (MEH) RAX: ffff888098a20100 RBX: 0000000000000200 RCX: 1ffff11013144143 158*16kB RDX: 0000000000000000 RSI: ffffffff81557ec5 RDI: 0000000000000293 (MH) RBP: ffff88808cb6f2f8 R08: ffff888098a20100 R09: ffff888098a20a18 9*32kB (UMH) R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84110790 R14: 000000000000003d R15: ffffffff88d792d0 3*64kB (UH) 1*128kB (U) vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*256kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 0*512kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 0*1024kB printk+0xba/0xed kernel/printk/printk.c:2001 0*2048kB 0*4096kB = 13560kB Node 0 dump_unreclaimable_slab.cold+0xde/0xe4 mm/slab_common.c:1371 Normal: dump_header+0x44b/0xa55 mm/oom_kill.c:447 1*4kB (U) 1*8kB oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 (U) 0*16kB 0*32kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 0*4096kB = 12kB Node 1 Normal: 5*4kB (ME) __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 5*8kB (UME) 9*16kB (UME) 10*32kB (UME) alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 4*64kB alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 (UME) 1*128kB page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 (U) 1*256kB (M) 2*512kB (ME) 3*1024kB ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6304 (UM) __do_fault+0x111/0x480 mm/memory.c:3269 1*2048kB do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 (E) 3*4096kB (M) handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 = 19596kB __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 Free swap = 0kB Total swap = 0kB 1965979 pages RAM page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 0 pages HighMem/MovableOnly RIP: 0033:0x4284f0 Code: Bad RIP value. 338856 pages reserved 0 pages cma reserved RSP: 002b:000000c420039ea8 EFLAGS: 00010206 syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.2 cpuset= RAX: ffffffffffffff92 RBX: 000000003b97fd55 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017e6420 syz2 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000198f74b9715 mems_allowed=0-1 R13: 0000000000000001 R14: 000000c4298a3500 R15: 0000000000000001 CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 Node 0 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:1396kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 Node 0 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 0 Node 1 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 lowmem_reserve[]: ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 0 0 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Node 0 bpf_prog_bebbfe2050753572+0x60d/0x1000 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 2*4096kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 (ME) = 10300kB Node 0 DMA32: 328*4kB (MEH) 1139*8kB bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 (MEH) __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 158*16kB (MH) 9*32kB (UMH) 3*64kB (UH) 1*128kB (U) 0*256kB 0*512kB do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 0*1024kB 0*2048kB entry_SYSCALL_64_after_hwframe+0x49/0xbe 0*4096kB = 13560kB RIP: 0033:0x4598e9 Node 0 Code: Bad RIP value. Normal: 1*4kB RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 (U) 1*8kB ORIG_RAX: 0000000000000141 (U) 0*16kB RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 0*32kB 0*64kB RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a 0*128kB 0*256kB RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 0*512kB R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 0*1024kB syz-executor.2 cpuset= 0*2048kB 0*4096kB syz2 = 12kB Node 1 mems_allowed=0-1 Normal: CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 5*4kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 (ME) Call Trace: 5*8kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 (UME) warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 9*16kB (UME) 10*32kB (UME) 4*64kB (UME) 1*128kB (U) __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 1*256kB (M) 2*512kB (ME) 3*1024kB (UM) __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 1*2048kB (E) 3*4096kB (M) = 19596kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 total pagecache pages fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 pages in swap cache ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Total swap = 0kB 1965979 pages RAM skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0 pages HighMem/MovableOnly 338856 pages reserved ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 0 pages cma reserved aoe: skb alloc failure bpf_prog_bebbfe2050753572+0x60d/0x1000 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset= / mems_allowed=0-1 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 syz-executor.2: 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-executor.2 cpuset= Call Trace: syz2 <IRQ> mems_allowed=0-1 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 4e c7 1c 07 00 0f 84 b9 00 00 00 e8 db e3 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 e2 76 4c 00 e9 bc f3 RSP: 0000:ffff88808cb6f270 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888098a20100 RBX: 0000000000000200 RCX: 1ffff11013144143 RDX: 0000000000000000 RSI: ffffffff81557ec5 RDI: 0000000000000293 RBP: ffff88808cb6f2f8 R08: ffff888098a20100 R09: ffff888098a20a18 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84110790 R14: 000000000000003d R15: ffffffff88d792d0 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2001 dump_unreclaimable_slab.cold+0xde/0xe4 mm/slab_common.c:1371 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6304 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x4284f0 Code: Bad RIP value. RSP: 002b:000000c420039ea8 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97fd55 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017e6420 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000198f74b9715 R13: 0000000000000001 R14: 000000c4298a3500 R15: 0000000000000001 warn_alloc_show_mem: 2 callbacks suppressed CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 lowmem_reserve[]: 0 2555 2557 2557 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 Node 0 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:1396kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 0 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Node 1 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 lowmem_reserve[]: 0 0 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0 0 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Node 0 bpf_prog_bebbfe2050753572+0x60d/0x1000 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 1*2048kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 (M) 2*4096kB (ME) = 10300kB Node 0 DMA32: bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 328*4kB __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 (MEH) 1139*8kB (MEH) 158*16kB (MH) do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 9*32kB entry_SYSCALL_64_after_hwframe+0x49/0xbe (UMH) RIP: 0033:0x4598e9 3*64kB Code: Bad RIP value. (UH) RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 1*128kB (U) ORIG_RAX: 0000000000000141 0*256kB RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 0*512kB RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a 0*1024kB RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 0*2048kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 0*4096kB R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff = 13560kB syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Node 0 syz-executor.2 cpuset= Normal: 1*4kB syz2 (U) mems_allowed=0-1 1*8kB CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 (U) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0*16kB 0*32kB Call Trace: 0*64kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 0*128kB 0*256kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB Node 1 Normal: 5*4kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 (ME) 5*8kB (UME) 9*16kB (UME) 10*32kB (UME) 4*64kB (UME) 1*128kB (U) __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 1*256kB (M) 2*512kB (ME) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 3*1024kB (UM) 1*2048kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 (E) ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 3*4096kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 (M) = 19596kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB bpf_prog_bebbfe2050753572+0x60d/0x1000 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 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 338856 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= bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 / bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 mems_allowed=0-1 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 Mem-Info: active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes <IRQ> Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 Node 0 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 lowmem_reserve[]: 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 Node 1 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 0 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 Node 0 DMA: 1*4kB (U) discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 1*8kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 0*256kB 0*512kB 0*1024kB 1*2048kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (M) 2*4096kB (ME) = 10300kB invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 Node 0 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 DMA32: apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 328*4kB </IRQ> (MEH) RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 1139*8kB Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 4e c7 1c 07 00 0f 84 b9 00 00 00 e8 db e3 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 e2 76 4c 00 e9 bc f3 (MEH) 158*16kB (MH) 9*32kB (UMH) RSP: 0000:ffff88808cb6f270 EFLAGS: 00000293 3*64kB ORIG_RAX: ffffffffffffff13 (UH) RAX: ffff888098a20100 RBX: 0000000000000200 RCX: 1ffff11013144143 1*128kB RDX: 0000000000000000 RSI: ffffffff81557ec5 RDI: 0000000000000293 (U) RBP: ffff88808cb6f2f8 R08: ffff888098a20100 R09: ffff888098a20a18 0*256kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 0*512kB R13: ffffffff84110790 R14: 000000000000003d R15: ffffffff88d792d0 0*1024kB 0*2048kB vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*4096kB = 13560kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 Node 0 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 Normal: printk+0xba/0xed kernel/printk/printk.c:2001 1*4kB (U) 1*8kB dump_unreclaimable_slab.cold+0xde/0xe4 mm/slab_common.c:1371 (U) dump_header+0x44b/0xa55 mm/oom_kill.c:447 0*16kB 0*32kB 0*64kB 0*128kB oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 0*256kB 0*512kB 0*1024kB 0*2048kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 0*4096kB = 12kB Node 1 Normal: 5*4kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 (ME) 5*8kB (UME) 9*16kB (UME) 10*32kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 (UME) 4*64kB (UME) 1*128kB (U) 1*256kB (M) alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 2*512kB alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 (ME) 3*1024kB page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 (UM) 1*2048kB (E) 3*4096kB (M) = 19596kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6304 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB __do_fault+0x111/0x480 mm/memory.c:3269 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 total pagecache pages 0 pages in swap cache handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 Swap cache stats: add 0, delete 0, find 0/0 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 pages reserved do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 0 pages cma reserved syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 syz-executor.2 cpuset= RIP: 0033:0x4284f0 syz2 Code: Bad RIP value. mems_allowed=0-1 RSP: 002b:000000c420039ea8 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b97fd55 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017e6420 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 00000198f74b9715 R13: 0000000000000001 R14: 000000c4298a3500 R15: 0000000000000001 Mem-Info: CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:115049 inactive_anon:186 isolated_anon:0 active_file:17 inactive_file:17 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:9133 slab_unreclaimable:1393542 mapped:52226 shmem:245 pagetables:1731 bounce:0 free:10859 free_pcp:411 free_cma:0 Call Trace: Node 0 active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 169984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 1 active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 Node 0 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 DMA32 free:13528kB min:36248kB low:45308kB high:54368kB active_anon:459940kB inactive_anon:744kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:4kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:8064kB pagetables:6924kB bounce:0kB free_pcp:1644kB local_pcp:1396kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 lowmem_reserve[]: 0 0 0 0 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 Node 1 Normal free:19596kB min:53608kB low:67008kB high:80408kB active_anon:256kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Node 0 DMA: skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 1*4kB (U) ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 1*8kB bpf_prog_bebbfe2050753572+0x60d/0x1000 (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (ME) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 = 10300kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 Node 0 DMA32: 328*4kB (MEH) 1139*8kB (MEH) 158*16kB bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 (MH) __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 9*32kB (UMH) 3*64kB (UH) 1*128kB (U) do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 0*256kB entry_SYSCALL_64_after_hwframe+0x49/0xbe 0*512kB RIP: 0033:0x4598e9 0*1024kB Code: Bad RIP value. 0*2048kB RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 0*4096kB ORIG_RAX: 0000000000000141 = 13560kB RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 Node 0 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a Normal: RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 1*4kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 (U) R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff 1*8kB (U) syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 0*16kB 0*32kB syz-executor.2 cpuset= 0*64kB 0*128kB syz2 0*256kB 0*512kB mems_allowed=0-1 0*1024kB 0*2048kB CPU: 1 PID: 16334 Comm: syz-executor.2 Not tainted 4.19.73 #0 0*4096kB = 12kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 1 Call Trace: Normal: 5*4kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 (ME) warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 5*8kB (UME) 9*16kB (UME) 10*32kB (UME) 4*64kB (UME) 1*128kB (U) __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 1*256kB (M) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (E) 3*4096kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 (M) = 19596kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 279 total pagecache pages fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 pages in swap cache ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Swap cache stats: add 0, delete 0, find 0/0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Free swap = 0kB Total swap = 0kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 1965979 pages RAM ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 0 pages HighMem/MovableOnly bpf_prog_bebbfe2050753572+0x60d/0x1000 338856 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=0-1 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fc8457cec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000028 RSI: 0000000020000780 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8457cf6d4 R13: 00000000004bfc2b R14: 00000000004d1938 R15: 00000000ffffffff CPU: 0 PID: 7493 Comm: syz-fuzzer Not tainted 4.19.73 #0 syz-executor.2: 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 Call Trace: syz-executor.2 cpuset= <IRQ> syz2 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 mems_allowed=0-1 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193