rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3691/1:b..l
(detected by 1, t=10502 jiffies, g=84897, q=12 ncpus=2)
task:syz-executor.2 state:R running task stack:21224 pid:3691 ppid:3673 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x4e/0x290 mm/kasan/generic.c:189
Code: 81 fd ff ff 01 00 0f 82 47 02 00 00 48 89 fb 48 c1 eb 03 49 b8 00 00 00 00 00 fc ff df 4e 8d 0c 03 4c 8d 54 37 ff 49 c1 ea 03 <49> bb 01 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83
RSP: 0018:ffffc900045c76b8 EFLAGS: 00000a03
RAX: ffffffff81b7e101 RBX: 1ffffd4000289998 RCX: ffffffff81b7e1fa
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffea000144ccc0
RBP: 000000000001ffff R08: dffffc0000000000 R09: fffff94000289998
R10: 1ffffd4000289998 R11: dffffc0000000001 R12: ffffea000144ccc8
R13: fffffffffffffffe R14: ffffea000144ccc0 R15: 1ffffd4000289999
instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
test_and_set_bit_lock include/asm-generic/bitops/instrumented-lock.h:57 [inline]
folio_trylock include/linux/pagemap.h:937 [inline]
find_lock_entries+0x61a/0xda0 mm/filemap.c:2101
shmem_undo_range+0x294/0x2390 mm/shmem.c:925
shmem_truncate_range mm/shmem.c:1062 [inline]
shmem_evict_inode+0x265/0xa60 mm/shmem.c:1171
evict+0x2a4/0x620 fs/inode.c:666
__dentry_kill+0x436/0x650 fs/dcache.c:607
dentry_kill+0xbb/0x290
dput+0xfb/0x1d0 fs/dcache.c:914
__fput+0x5e4/0x890 fs/file_table.c:328
task_work_run+0x246/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f721647e217
RSP: 002b:00007ffdae3fa168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f721647e217
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdae3fa220
RBP: 00007ffdae3fa220 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdae3fb2e0
R13: 00007f72164c8336 R14: 00000000000ad75d R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10535 jiffies! g84897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26680 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 14337 Comm: syz-executor.4 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5124
Code: 37 0b 00 48 83 c4 08 4c 89 f7 e8 98 30 00 00 0f 1f 44 00 00 4c 89 f7 e8 7b 20 36 09 e8 36 26 32 00 fb 49 8d bc 24 f8 15 00 00 <48> 89 f8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc9000bd7f8a8 EFLAGS: 00000286
RAX: b9ab771bf3023d00 RBX: ffff888074db9df4 RCX: ffffffff91c94103
RDX: dffffc0000000000 RSI: ffffffff8aec01c0 RDI: ffff8880565133b8
RBP: ffffc9000bd7f8f0 R08: dffffc0000000000 R09: ffffed1017327541
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888056511dc0
R13: 1ffff110173276eb R14: ffff8880b993aa00 R15: ffff8880b993b758
FS: 00007fdceed706c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31aa400d58 CR3: 00000000142de000 CR4: 00000000003526e0
Call Trace:
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1435/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
futex_wait_queue+0x149/0x1d0 kernel/futex/waitwake.c:355
futex_wait+0x203/0x5c0 kernel/futex/waitwake.c:656
do_futex+0x3b5/0x490 kernel/futex/syscalls.c:106
__do_sys_futex kernel/futex/syscalls.c:183 [inline]
__se_sys_futex+0x3d7/0x460 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdcee07cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdceed70178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fdcee1b3fa8 RCX: 00007fdcee07cee9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdcee1b3fa8
RBP: 00007fdcee1b3fa0 R08: 00007fdceed706c0 R09: 00007fdceed706c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdcee1b3fac
R13: 000000000000000b R14: 00007ffeca98af50 R15: 00007ffeca98b038