[11665] 0 11665 18213 8719 26 3 0 0 syz-executor.0 [11680] 0 11680 18246 9404 27 3 0 1000 syz-executor.3 [11696] 0 11696 18147 8703 24 3 0 1000 syz-executor.4 INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P12607 (detected by 1, t=10502 jiffies, g=27913, c=27912, q=4677) syz-executor.0 R running task 27712 12607 1838 0x00000004 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] wp_page_copy+0x16d/0x1610 mm/memory.c:2502 do_wp_page+0x273/0x19d0 mm/memory.c:2784 handle_pte_fault mm/memory.c:4005 [inline] __handle_mm_fault+0xdec/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: 1000:0x4 RSP: 20000:00007ffcea389f00 EFLAGS: 7ffcea389ff0 syz-executor.0 R running task 27712 12607 1838 0x00000004 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] wp_page_copy+0x16d/0x1610 mm/memory.c:2502 do_wp_page+0x273/0x19d0 mm/memory.c:2784 handle_pte_fault mm/memory.c:4005 [inline] __handle_mm_fault+0xdec/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: 1000:0x4 RSP: 20000:00007ffcea389f00 EFLAGS: 7ffcea389ff0 [11701] 0 11701 18279 9270 33 4 0 1000 syz-executor.4 [11716] 0 11716 18147 8702 24 3 0 1000 syz-executor.3 [11717] 0 11717 18147 8704 24 3 0 0 syz-executor.0 [11718] 0 11718 18180 8747 27 4 0 1000 syz-executor.2 [11727] 0 11727 18213 8719 26 3 0 0 syz-executor.0 [11737] 0 11737 18147 8703 24 3 0 1000 syz-executor.4 [11748] 0 11748 18147 8702 24 3 0 1000 syz-executor.3 [11755] 0 11755 18213 8750 33 4 0 1000 syz-executor.3 [11766] 0 11766 18180 8747 26 4 0 1000 syz-executor.2 [11774] 0 11774 18147 8702 24 3 0 1000 syz-executor.3 [11779] 0 11779 18147 8704 24 3 0 0 syz-executor.0 [11783] 0 11783 18246 9588 27 3 0 1000 syz-executor.3 [11789] 0 11789 18279 12273 31 3 0 0 syz-executor.0 [11813] 0 11813 18147 8702 24 3 0 1000 syz-executor.3 [11815] 0 11815 18147 8703 24 3 0 1000 syz-executor.4 [11819] 0 11819 18147 8704 24 3 0 0 syz-executor.0 [11832] 0 11832 18279 11681 30 3 0 0 syz-executor.0 [11834] 0 11834 18279 10413 29 3 0 1000 syz-executor.3 [11846] 0 11846 18180 8744 26 4 0 1000 syz-executor.5 [11874] 0 11874 18147 8703 24 3 0 1000 syz-executor.4 [11885] 0 11885 18147 8702 24 3 0 1000 syz-executor.3 [11887] 0 11887 18147 8704 24 3 0 0 syz-executor.0 [11901] 0 11901 18279 12816 32 3 0 0 syz-executor.0 [11938] 0 11938 18147 8704 24 3 0 0 syz-executor.0 [11943] 0 11943 18147 8703 24 3 0 1000 syz-executor.4 [11948] 0 11948 18180 8717 26 3 0 0 syz-executor.0 [11956] 0 11956 18246 9284 33 4 0 1000 syz-executor.4 [11954] 0 11954 18180 8747 26 4 0 1000 syz-executor.2 [11983] 0 11983 18147 8704 24 3 0 0 syz-executor.0 [11985] 0 11985 18147 8703 24 3 0 1000 syz-executor.4 [11988] 0 11988 18180 8717 26 3 0 0 syz-executor.0 [12003] 0 12003 18180 8747 26 4 0 1000 syz-executor.2 [12010] 0 12010 18147 8703 24 3 0 1000 syz-executor.4 [12030] 0 12030 18180 8747 26 4 0 1000 syz-executor.2 [12031] 0 12031 18147 8703 24 3 0 1000 syz-executor.4 [12054] 0 12054 18147 8704 24 3 0 0 syz-executor.0 [12058] 0 12058 18147 8703 24 3 0 1000 syz-executor.4 [12061] 0 12061 18180 8717 26 3 0 0 syz-executor.0 [12073] 0 12073 18345 11504 33 4 0 1000 syz-executor.4 [12091] 0 12091 18180 8747 26 4 0 1000 syz-executor.2 [12106] 0 12106 18147 8703 24 3 0 1000 syz-executor.4 [12115] 0 12115 18147 8704 24 3 0 0 syz-executor.0 [12123] 0 12123 18213 8952 26 3 0 0 syz-executor.0 [12160] 0 12160 18147 8703 24 3 0 1000 syz-executor.4 [12163] 0 12163 18147 8704 24 3 0 0 syz-executor.0 [12170] 0 12170 18213 8940 26 3 0 0 syz-executor.0 [12197] 0 12197 18147 8703 24 3 0 1000 syz-executor.4 [12212] 0 12212 18147 8704 24 3 0 0 syz-executor.0 [12214] 0 12214 18147 8703 24 3 0 1000 syz-executor.4 [12218] 0 12218 18213 9161 26 3 0 0 syz-executor.0 [12234] 0 12234 18147 8703 24 3 0 1000 syz-executor.4 [12264] 0 12264 18147 8704 24 3 0 0 syz-executor.0 [12270] 0 12270 18147 8703 24 3 0 1000 syz-executor.4 [12276] 0 12276 18213 8868 26 3 0 0 syz-executor.0 [12303] 0 12303 18147 8702 24 3 0 1000 syz-executor.3 [12312] 0 12312 18312 12670 33 4 0 1000 syz-executor.3 [12321] 0 12321 18147 8704 24 3 0 0 syz-executor.0 [12326] 0 12326 18213 8869 26 3 0 0 syz-executor.0 [12344] 0 12344 18147 8703 24 3 0 1000 syz-executor.4 [12350] 0 12350 18147 8702 24 3 0 1000 syz-executor.3 [12353] 0 12353 18378 11444 32 4 0 1000 syz-executor.4 [12364] 0 12364 18312 8756 30 4 0 1000 syz-executor.3 [12380] 0 12380 18378 11412 31 3 0 1000 syz-executor.4 [12386] 0 12386 18147 8704 24 3 0 0 syz-executor.0 [12393] 0 12393 18213 9004 26 3 0 0 syz-executor.0 [12396] 0 12396 18147 8702 24 3 0 1000 syz-executor.3 [12408] 0 12408 18213 9024 26 3 0 1000 syz-executor.3 [12430] 0 12430 18147 8703 24 3 0 1000 syz-executor.4 [12442] 0 12442 18147 8704 24 3 0 0 syz-executor.0 [12445] 0 12445 18147 8702 24 3 0 1000 syz-executor.3 [12452] 0 12452 18213 9017 26 3 0 1000 syz-executor.3 [12454] 0 12454 18246 8810 26 3 0 0 syz-executor.0 [12475] 0 12475 18147 8703 24 3 0 1000 syz-executor.4 [12480] 0 12480 18345 8757 33 4 0 1000 syz-executor.4 [12506] 0 12506 18147 8702 24 3 0 1000 syz-executor.3 [12508] 0 12508 18147 8704 24 3 0 0 syz-executor.0 [12509] 0 12509 18147 8703 24 3 0 1000 syz-executor.4 [12518] 0 12518 18213 9017 26 3 0 1000 syz-executor.3 [12531] 0 12531 18246 9072 33 4 0 1000 syz-executor.4 [12536] 0 12536 18246 8759 26 3 0 0 syz-executor.0 [12551] 0 12551 18147 8703 24 3 0 1000 syz-executor.4 [12555] 0 12555 18213 8751 33 4 0 1000 syz-executor.4 [12571] 0 12571 18147 8704 24 3 0 0 syz-executor.0 [12573] 0 12573 18147 8704 24 3 0 1000 syz-executor.4 [12580] 0 12580 18246 8834 26 3 0 0 syz-executor.0 [12587] 0 12587 18180 8747 26 4 0 1000 syz-executor.2 [12604] 0 12604 18180 8746 26 4 0 1000 syz-executor.3 [12607] 0 12607 18279 11040 30 4 0 0 syz-executor.0