[17298] 0 17298 18247 11707 31 4 0 1000 syz-executor.5 [17325] 0 17325 18214 8748 26 4 0 1000 syz-executor.4 [17328] 0 17328 18247 12754 33 4 0 1000 syz-executor.3 INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1 (detected by 1, t=10502 jiffies, g=21318, c=21317, q=41) init R running task 24848 1 0 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3578 ___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:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] __page_cache_alloc include/linux/pagemap.h:226 [inline] pagecache_get_page+0x246/0x7e0 mm/filemap.c:1516 filemap_fault+0x8da/0x18a0 mm/filemap.c:2517 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: 82524fa7:0x1 RSP: 82524550:00007ffc82524700 EFLAGS: ffffffff init R running task 24848 1 0 0x00000000 Call Trace: preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3578 ___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:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] __page_cache_alloc include/linux/pagemap.h:226 [inline] pagecache_get_page+0x246/0x7e0 mm/filemap.c:1516 filemap_fault+0x8da/0x18a0 mm/filemap.c:2517 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: 82524fa7:0x1 RSP: 82524550:00007ffc82524700 EFLAGS: ffffffff [17336] 0 17336 18246 10706 30 4 0 1000 syz-executor.1 [17343] 0 17343 18246 11354 31 4 0 1000 syz-executor.2 [17351] 0 17351 18247 9290 27 4 0 1000 syz-executor.5 [17376] 0 17376 18214 8748 26 4 0 1000 syz-executor.3 [17435] 0 17435 18247 9869 29 4 0 1000 syz-executor.1 [17438] 0 17438 18247 9304 27 4 0 1000 syz-executor.3 [17440] 0 17440 18247 9677 27 4 0 1000 syz-executor.2 [17467] 0 17467 18214 8749 26 4 0 1000 syz-executor.4 [17471] 0 17471 18247 11763 31 4 0 1000 syz-executor.3 [17473] 0 17473 18280 11550 32 4 0 1000 syz-executor.1 [17474] 0 17474 18280 12845 33 4 0 1000 syz-executor.2 [17520] 0 17520 18280 12112 32 4 0 1000 syz-executor.4 [17522] 0 17522 18247 11604 31 4 0 1000 syz-executor.5 [17551] 0 17551 18313 12319 32 4 0 1000 syz-executor.2 [17583] 0 17583 18280 11603 31 4 0 1000 syz-executor.4 [17630] 0 17630 18280 11964 32 4 0 1000 syz-executor.2 [17669] 0 17669 18247 10961 30 4 0 1000 syz-executor.2 [17673] 0 17673 18247 10755 30 4 0 1000 syz-executor.1 [17751] 0 17751 18247 12843 33 4 0 1000 syz-executor.2 [17776] 0 17776 18280 11631 31 4 0 1000 syz-executor.3 [17814] 0 17814 18280 10631 29 4 0 1000 syz-executor.5 [17815] 0 17815 18280 10814 30 4 0 1000 syz-executor.2 [17834] 0 17834 18246 9091 26 4 0 1000 syz-executor.4 [17850] 0 17850 18280 10891 30 4 0 1000 syz-executor.3 [17860] 0 17860 18247 9376 27 4 0 1000 syz-executor.2 [17869] 0 17869 18246 8874 26 4 0 1000 syz-executor.5 [17912] 0 17912 18247 12844 33 4 0 1000 syz-executor.3 [17948] 0 17948 18247 8867 26 4 0 1000 syz-executor.3 [17981] 0 17981 18247 9067 26 4 0 1000 syz-executor.2 [18013] 0 18013 18247 8980 26 4 0 1000 syz-executor.4 [18034] 0 18034 18247 9252 26 4 0 1000 syz-executor.3 [18039] 0 18039 18247 9171 26 4 0 1000 syz-executor.4 [18063] 0 18063 18247 9294 27 4 0 1000 syz-executor.4 [18075] 0 18075 18247 9937 28 4 0 1000 syz-executor.2 [18141] 0 18141 18247 10842 30 4 0 1000 syz-executor.2 [18213] 0 18213 18246 9632 27 4 0 1000 syz-executor.2 [18311] 0 18311 18279 9076 26 4 0 1000 syz-executor.3 [18312] 0 18312 18246 10419 30 4 0 1000 syz-executor.1 [18399] 0 18399 18247 10754 29 4 0 1000 syz-executor.5 [18404] 0 18404 18246 11761 31 4 0 1000 syz-executor.4 [18487] 0 18487 18247 9068 26 4 0 1000 syz-executor.5 [18515] 0 18515 18246 9334 27 4 0 1000 syz-executor.4 [18558] 0 18558 18247 11329 32 4 0 1000 syz-executor.1 [18693] 0 18693 18247 12328 33 4 0 1000 syz-executor.1 [18795] 0 18795 18280 9523 28 4 0 1000 syz-executor.1 [18974] 0 18974 18247 9060 27 4 0 1000 syz-executor.1 [19064] 0 19064 18247 9004 27 4 0 1000 syz-executor.1 [19093] 0 19093 18247 9317 27 4 0 1000 syz-executor.5 [19094] 0 19094 18247 9436 28 4 0 1000 syz-executor.1 [19180] 0 19180 18246 12150 33 4 0 1000 syz-executor.1 [19184] 0 19184 18247 12584 33 4 0 1000 syz-executor.2 [19216] 0 19216 18247 10462 29 4 0 1000 syz-executor.3 [19347] 0 19347 18247 8984 27 4 0 1000 syz-executor.1 [19574] 0 19574 18280 9423 27 4 0 1000 syz-executor.2 [19624] 0 19624 18279 8886 26 4 0 0 syz-executor.3 [19717] 0 19717 18279 10005 28 4 0 0 syz-executor.3