[ 7744] 0 7744 18145 8742 26 4 0 1000 syz-executor.0 [ 7745] 0 7745 34563 8752 29 4 0 1000 syz-executor.3 [ 7767] 0 7767 34563 8740 28 4 0 1000 syz-executor.1 INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P190 (detected by 1, t=10503 jiffies, g=84353, c=84352, q=1) udevd R running task 25120 190 1 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3579 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184 spin_unlock include/linux/spinlock.h:357 [inline] task_unlock include/linux/sched/task.h:136 [inline] dump_tasks mm/oom_kill.c:403 [inline] dump_header+0x7bb/0x848 mm/oom_kill.c:428 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] alloc_pages_node include/linux/gfp.h:511 [inline] __page_cache_alloc include/linux/pagemap.h:226 [inline] pagecache_get_page+0x246/0x7e0 mm/filemap.c:1517 filemap_fault+0x8da/0x18a0 mm/filemap.c:2518 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6233 __do_fault+0x100/0x380 mm/memory.c:3223 do_read_fault mm/memory.c:3633 [inline] do_fault mm/memory.c:3759 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0x9bf/0x2700 mm/memory.c:4113 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122 RIP: 0000:0x24220f0 RSP: 23fab30:00000000023f0030 EFLAGS: 000031ed udevd R running task 25120 190 1 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3579 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184 spin_unlock include/linux/spinlock.h:357 [inline] task_unlock include/linux/sched/task.h:136 [inline] dump_tasks mm/oom_kill.c:403 [inline] dump_header+0x7bb/0x848 mm/oom_kill.c:428 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861 out_of_memory mm/oom_kill.c:1084 [inline] out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4112 [inline] __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] alloc_pages_node include/linux/gfp.h:511 [inline] __page_cache_alloc include/linux/pagemap.h:226 [inline] pagecache_get_page+0x246/0x7e0 mm/filemap.c:1517 filemap_fault+0x8da/0x18a0 mm/filemap.c:2518 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6233 __do_fault+0x100/0x380 mm/memory.c:3223 do_read_fault mm/memory.c:3633 [inline] do_fault mm/memory.c:3759 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0x9bf/0x2700 mm/memory.c:4113 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122 RIP: 0000:0x24220f0 RSP: 23fab30:00000000023f0030 EFLAGS: 000031ed [ 7772] 0 7772 18147 8742 26 4 0 1000 syz-executor.0 [ 7778] 0 7778 34564 8751 28 4 0 1000 syz-executor.2 [ 7793] 0 7793 34563 8740 28 4 0 1000 syz-executor.5 [ 7822] 0 7822 34563 8740 28 4 0 1000 syz-executor.1 [ 7831] 0 7831 34564 8751 28 4 0 1000 syz-executor.2 [ 7853] 0 7853 34563 8740 28 4 0 1000 syz-executor.5 [ 7877] 0 7877 34532 8737 28 4 0 1000 syz-executor.0 [ 7895] 0 7895 18145 8742 26 4 0 1000 syz-executor.2 [ 7926] 0 7926 34563 8740 28 4 0 1000 syz-executor.5 [ 7942] 0 7942 34564 8751 28 4 0 1000 syz-executor.2 [ 7958] 0 7958 18147 8742 26 4 0 1000 syz-executor.0 [ 7960] 0 7960 18180 8745 27 4 0 1000 syz-executor.3 [ 8002] 0 8002 18147 8742 26 4 0 1000 syz-executor.0 [ 8011] 0 8011 34563 8740 28 4 0 1000 syz-executor.5 [ 8020] 0 8020 18147 8710 25 3 0 1000 syz-executor.0 [ 8067] 0 8067 18147 8710 25 3 0 1000 syz-executor.0 [ 8066] 0 8066 34563 8740 28 4 0 1000 syz-executor.5 [ 8070] 0 8070 18147 8743 26 4 0 1000 syz-executor.1 [ 8101] 0 8101 34563 8740 28 4 0 1000 syz-executor.5 [ 8110] 0 8110 18147 8710 25 3 0 1000 syz-executor.0 [ 8118] 0 8118 18147 8743 26 4 0 1000 syz-executor.3 [ 8120] 0 8120 18180 8745 26 4 0 1000 syz-executor.1 [ 8152] 0 8152 18180 8716 25 3 0 1000 syz-executor.0 [ 8180] 0 8180 18147 8710 25 3 0 1000 syz-executor.0 [ 8185] 0 8185 34564 8751 28 4 0 1000 syz-executor.2 [ 8224] 0 8224 18147 8718 25 3 0 1000 syz-executor.0 [ 8255] 0 8255 18147 8721 25 3 0 1000 syz-executor.0 [ 8278] 0 8278 18147 8712 25 3 0 1000 syz-executor.0 [ 8298] 0 8298 18147 8727 25 3 0 1000 syz-executor.0 [ 8346] 0 8346 18180 8727 25 3 0 1000 syz-executor.0 [ 8394] 0 8394 18180 8731 25 3 0 1000 syz-executor.0 [ 8440] 0 8440 18147 8743 26 4 0 1000 syz-executor.1 [ 8441] 0 8441 34563 8740 28 4 0 1000 syz-executor.5 [ 8453] 0 8453 18147 8710 25 3 0 1000 syz-executor.0 [ 8463] 0 8463 18147 8743 26 4 0 1000 syz-executor.1 [ 8474] 0 8474 18147 8743 26 4 0 1000 syz-executor.1 [ 8473] 0 8473 18147 8743 26 4 0 1000 syz-executor.3 [ 8480] 0 8480 18147 8743 26 4 0 1000 syz-executor.1 [ 8505] 0 8505 34563 8740 28 4 0 1000 syz-executor.5 [ 8506] 0 8506 18147 8743 26 4 0 1000 syz-executor.3 [ 8514] 0 8514 18147 8710 25 3 0 1000 syz-executor.0 [ 8525] 0 8525 18147 8743 26 4 0 1000 syz-executor.3 [ 8531] 0 8531 18147 8743 26 4 0 1000 syz-executor.1 [ 8532] 0 8532 34566 8751 28 4 0 1000 syz-executor.2 [ 8553] 0 8553 18147 8743 26 4 0 1000 syz-executor.3 [ 8574] 0 8574 34563 8740 28 4 0 1000 syz-executor.5 [ 8585] 0 8585 18147 8743 26 4 0 1000 syz-executor.3 [ 8587] 0 8587 18147 8710 25 3 0 1000 syz-executor.0 [ 8639] 0 8639 34563 8740 28 4 0 1000 syz-executor.5 [ 8647] 0 8647 18147 8743 26 4 0 1000 syz-executor.3 [ 8653] 0 8653 18147 8710 25 3 0 1000 syz-executor.0 [ 8663] 0 8663 18146 8742 26 4 0 1000 syz-executor.2 [ 8704] 0 8704 34563 8740 28 4 0 1000 syz-executor.5 [ 8715] 0 8715 18147 8710 25 3 0 1000 syz-executor.0 [ 8743] 0 8743 18147 8743 26 4 0 1000 syz-executor.1 [ 8766] 0 8766 34563 8740 28 4 0 1000 syz-executor.5 [ 8782] 0 8782 18147 8710 25 3 0 1000 syz-executor.0 [ 8790] 0 8790 18147 8743 26 4 0 1000 syz-executor.1 [ 8797] 0 8797 18147 8743 26 4 0 1000 syz-executor.3 [ 8802] 0 8802 34532 8738 28 4 0 1000 syz-executor.1 [ 8827] 0 8827 34563 8740 28 4 0 1000 syz-executor.5 [ 8830] 0 8830 18147 8743 26 4 0 1000 syz-executor.3 [ 8844] 0 8844 18147 8710 25 3 0 1000 syz-executor.0 [ 8852] 0 8852 18147 8743 26 4 0 1000 syz-executor.1 [ 8861] 0 8861 18147 8743 26 4 0 1000 syz-executor.3 [ 8865] 0 8865 18147 8743 26 4 0 1000 syz-executor.1 [ 8871] 0 8871 18147 8743 26 4 0 1000 syz-executor.3 [ 8884] 0 8884 18147 8743 26 4 0 1000 syz-executor.3 [ 8890] 0 8890 34563 8740 28 4 0 1000 syz-executor.5 [ 8902] 0 8902 18147 8710 25 3 0 1000 syz-executor.0 [ 8920] 0 8920 18147 8743 26 4 0 1000 syz-executor.3 [ 8931] 0 8931 18147 8743 26 4 0 1000 syz-executor.1 [ 8947] 0 8947 34563 8740 28 4 0 1000 syz-executor.5 [ 8964] 0 8964 18147 8710 25 3 0 1000 syz-executor.0 [ 8972] 0 8972 18147 8743 26 4 0 1000 syz-executor.3 [ 8990] 0 8990 18147 8743 26 4 0 1000 syz-executor.3 [ 9011] 0 9011 18147 8743 26 4 0 1000 syz-executor.3 [ 9014] 0 9014 18147 8743 26 4 0 1000 syz-executor.1 [ 9015] 0 9015 34563 8740 28 4 0 1000 syz-executor.5 [ 9028] 0 9028 18147 8710 25 3 0 1000 syz-executor.0 [ 9031] 0 9031 18147 8743 26 4 0 1000 syz-executor.3 [ 9044] 0 9044 18147 8743 26 4 0 1000 syz-executor.3 [ 9046] 0 9046 18147 8743 26 4 0 1000 syz-executor.1 [ 9049] 0 9049 18145 8710 25 3 0 1000 syz-executor.2 [ 9061] 0 9061 34532 8738 28 4 0 1000 syz-executor.1 [ 9070] 0 9070 18145 8710 25 3 0 1000 syz-executor.2 [ 9088] 0 9088 34563 8740 28 4 0 1000 syz-executor.5 [ 9098] 0 9098 18147 8710 25 3 0 1000 syz-executor.0 [ 9112] 0 9112 18145 8710 25 3 0 1000 syz-executor.2 [ 9146] 0 9146 34563 8740 28 4 0 1000 syz-executor.5 [ 9156] 0 9156 18147 8743 26 4 0 1000 syz-executor.3 [ 9155] 0 9155 34532 8738 28 4 0 1000 syz-executor.1 [ 9159] 0 9159 18147 8710 25 3 0 1000 syz-executor.0 [ 9180] 0 9180 18147 8743 26 4 0 1000 syz-executor.3 [ 9210] 0 9210 34563 8740 28 4 0 1000 syz-executor.5 [ 9217] 0 9217 18147 8710 25 3 0 1000 syz-executor.0 [ 9223] 0 9223 18147 8710 25 3 0 1000 syz-executor.3 [ 9230] 0 9230 18147 8743 26 4 0 1000 syz-executor.1 [ 9241] 0 9241 18147 8710 25 3 0 1000 syz-executor.3 [ 9252] 0 9252 18147 8710 25 3 0 1000 syz-executor.3 [ 9286] 0 9286 34563 8740 28 4 0 1000 syz-executor.5 [ 9291] 0 9291 18147 8710 25 3 0 1000 syz-executor.0 [ 9306] 0 9306 18147 8743 26 4 0 1000 syz-executor.1 [ 9311] 0 9311 34564 8751 28 4 0 1000 syz-executor.2 [ 9312] 0 9312 18147 8743 26 4 0 1000 syz-executor.3 [ 9326] 0 9326 18147 8743 26 4 0 1000 syz-executor.1 [ 9323] 0 9323 18147 8743 26 4 0 1000 syz-executor.3 [ 9334] 0 9334 18147 8743 26 4 0 1000 syz-executor.3 [ 9346] 0 9346 34563 8752 28 4 0 1000 syz-executor.5 [ 9362] 0 9362 18147 8710 25 3 0 1000 syz-executor.0 [ 9363] 0 9363 18147 8710 25 3 0 1000 syz-executor.0 [ 9370] 0 9370 18147 8743 26 4 0 1000 syz-executor.3 [ 9371] 0 9371 18146 8742 26 4 0 1000 syz-executor.2 [ 9376] 0 9376 18147 8710 25 3 0 1000 syz-executor.0 [ 9377] 0 9377 18147 8710 25 3 0 1000 syz-executor.0 [ 9383] 0 9383 18145 8742 26 4 0 1000 syz-executor.2 [ 9392] 0 9392 18147 8743 26 4 0 1000 syz-executor.1 [ 9395] 0 9395 18147 8710 25 3 0 1000 syz-executor.0 [ 9396] 0 9396 18147 8710 25 3 0 1000 syz-executor.0 [ 9402] 0 9402 34563 8751 28 4 0 1000 syz-executor.2 [ 9403] 0 9403 18147 8743 26 4 0 1000 syz-executor.3 [ 9424] 0 9424 18147 8710 25 3 0 1000 syz-executor.0 [ 9429] 0 9429 18147 8743 26 4 0 1000 syz-executor.1 [ 9436] 0 9436 5365 169 16 3 0 -1000 udevd [ 9450] 0 9450 18147 8743 26 4 0 1000 syz-executor.1 [ 9454] 0 9454 18147 8710 25 3 0 1000 syz-executor.0 [ 9462] 0 9462 18145 8742 26 4 0 1000 syz-executor.2 [ 9461] 0 9461 18147 8743 26 4 0 1000 syz-executor.3 [ 9465] 0 9465 18145 8711 25 3 0 1000 syz-executor.5 [ 9469] 0 9469 18147 8710 25 3 0 1000 syz-executor.0 [ 9491] 0 9491 18147 8710 25 3 0 1000 syz-executor.0 [ 9495] 0 9495 18147 8743 26 4 0 1000 syz-executor.1 [ 9513] 0 9513 18147 8710 25 3 0 1000 syz-executor.0 [ 9517] 0 9517 18147 8743 26 4 0 1000 syz-executor.1 [ 9522] 0 9522 18145 8711 25 3 0 1000 syz-executor.5