rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P63/1:b..l P14554/1:b..l P14596/1:b..l P14609/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=175193, q=547 ncpus=2)
task:modprobe state:R running task stack:23680 pid:14609 tgid:14609 ppid:1051 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6529
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5763
Code: 2b 00 74 08 4c 89 f7 e8 ba 1f 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000ef37060 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92001de6e18 RCX: d843e7955cc28200
RDX: dffffc0000000000 RSI: ffffffff8bcae720 RDI: ffffffff8c20a480
RBP: ffffc9000ef371a8 R08: ffffffff93002807 R09: 1ffffffff2600500
R10: dffffc0000000000 R11: fffffbfff2600501 R12: 1ffff92001de6e14
R13: dffffc0000000000 R14: ffffc9000ef370c0 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
rcu_read_lock include/linux/rcupdate.h:838 [inline]
is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:767
kernel_text_address+0xa7/0xe0 kernel/extable.c:125
__kernel_text_address+0xd/0x40 kernel/extable.c:79
unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0x125/0x1b0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
__kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541
__call_rcu_common kernel/rcu/tree.c:3106 [inline]
call_rcu+0x167/0xa70 kernel/rcu/tree.c:3210
remove_vma mm/mmap.c:189 [inline]
remove_mt mm/mmap.c:2385 [inline]
do_vmi_align_munmap+0x155c/0x18c0 mm/mmap.c:2728
do_vmi_munmap+0x261/0x2f0 mm/mmap.c:2800
mmap_region+0x72f/0x2090 mm/mmap.c:2851
do_mmap+0x8ad/0xfa0 mm/mmap.c:1438
vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1484
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2814909b74
RSP: 002b:00007ffd2ea58748 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffd2ea587f8 RCX: 00007f2814909b74
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f281466e000
RBP: 00007ffd2ea58b20 R08: 0000000000000000 R09: 000000000000b000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007f28148e6ac0
R13: 00007ffd2ea58ba8 R14: 000000000000b278 R15: 0000000000000000
task:syz.0.1932 state:R running task stack:25744 pid:14596 tgid:14591 ppid:13889 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6529
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6708
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6732
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
wp_page_copy mm/memory.c:3436 [inline]
do_wp_page+0x1da4/0x52f0 mm/memory.c:3727
handle_pte_fault+0x1138/0x6eb0 mm/memory.c:5538
__handle_mm_fault mm/memory.c:5665 [inline]
handle_mm_fault+0x1021/0x1990 mm/memory.c:5830
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:__put_user_nocheck_4+0x7/0x20 arch/x86/lib/putuser.S:97
Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca e9 4e 5d 22 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 01 cb <89> 01 31 c9 0f 01 ca e9 28 5d 22 00 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc9000ee978f8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000020010030
RDX: ffff8880265fda00 RSI: 0000000000000000 RDI: 00000000ffffffff
RBP: ffffc9000ee97a70 R08: ffffffff8954d3c3 R09: 1ffff92001dd2ed0
R10: dffffc0000000000 R11: fffff52001dd2ed1 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000020010000
____sys_recvmsg+0x2b9/0x470 net/socket.c:2829
___sys_recvmsg net/socket.c:2858 [inline]
do_recvmmsg+0x474/0xae0 net/socket.c:2952
__sys_recvmmsg net/socket.c:3031 [inline]
__do_sys_recvmmsg net/socket.c:3054 [inline]
__se_sys_recvmmsg net/socket.c:3047 [inline]
__x64_sys_recvmmsg+0x199/0x250 net/socket.c:3047
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12f2975f19
RSP: 002b:00007f12f37c0048 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f12f2b06038 RCX: 00007f12f2975f19
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f12f29e4e68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f12f2b06038 R15: 00007ffe03c0a0d8
task:syz.3.1914 state:R running task stack:24592 pid:14554 tgid:14548 ppid:11301 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6529
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6708
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6732
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x2124/0x2a00 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x75/0x3f0 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1094 [inline]
free_unref_folios+0x103a/0x1b00 mm/page_alloc.c:2656
folios_put_refs+0x76e/0x860 mm/swap.c:1039
folio_batch_release include/linux/pagevec.h:101 [inline]
shmem_undo_range+0x6de/0x1df0 mm/shmem.c:1023
shmem_truncate_range mm/shmem.c:1132 [inline]
shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1260
evict+0x2aa/0x630 fs/inode.c:669
__dentry_kill+0x20d/0x630 fs/dcache.c:610
dput+0x19f/0x2b0 fs/dcache.c:852
__fput+0x5f8/0x8a0 fs/file_table.c:430
task_work_run+0x251/0x310 kernel/task_work.c:222
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x27f0 kernel/exit.c:882
do_group_exit+0x207/0x2c0 kernel/exit.c:1031
get_signal+0x16a1/0x1740 kernel/signal.c:2917
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feab9d74a9f
RSP: 002b:00007feababd7e00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000833000 RBX: 0000000001000000 RCX: 00007feab9d74a9f
RDX: 0000000001000000 RSI: 00007feaafa00000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000989b
R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003
R13: 00007feababd7f00 R14: 00007feababd7ec0 R15: 00007feaafa00000
task:kworker/u8:4 state:R running task stack:20216 pid:63 tgid:63 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6529
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5763
Code: 2b 00 74 08 4c 89 f7 e8 ba 1f 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc900015e79e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920002bcf48 RCX: 6e93e6830c42c300
RDX: dffffc0000000000 RSI: ffffffff8bcae720 RDI: ffffffff8c20a480
RBP: ffffc900015e7b40 R08: ffffffff93002807 R09: 1ffffffff2600500
R10: dffffc0000000000 R11: fffffbfff2600501 R12: 1ffff920002bcf44
R13: dffffc0000000000 R14: ffffc900015e7a40 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
rcu_read_lock include/linux/rcupdate.h:838 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244