rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2652 jiffies s: 18921 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5865 Comm: syz-executor.2 Not tainted 6.10.0-rc4-next-20240620-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406
Code: c0 0e 54 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 f1 80 ba fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c
RSP: 0018:ffffc90000007298 EFLAGS: 00000002
RAX: 1ffffffff2960b00 RBX: ffffffff94b05b60 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000000000 R08: ffffffff853f6936 R09: 1ffff11003f67046
R10: dffffc0000000000 R11: ffffffff853f68f0 R12: dffffc0000000000
R13: ffffffff94819c20 R14: 00000000000003fd R15: dffffc0000000000
FS: 00007f4692d346c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3864e5000 CR3: 000000001f278000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_in drivers/tty/serial/8250/8250.h:137 [inline]
serial_lsr_in drivers/tty/serial/8250/8250.h:159 [inline]
wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0x1373/0x1ed0 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:2975 [inline]
console_flush_all+0x880/0xf50 kernel/printk/printk.c:3047
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3118
vprintk_emit+0x7a1/0x900 kernel/printk/printk.c:2420
_printk+0xd5/0x120 kernel/printk/printk.c:2447
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x43a/0x520 arch/x86/kernel/dumpstack.c:285
sched_show_task+0x578/0x740 kernel/sched/core.c:7432
report_rtnl_holders+0x1ba/0x2d0 net/core/rtnetlink.c:104
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2417 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
run_timer_base kernel/time/timer.c:2437 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9f7/0xf50 kernel/printk/printk.c:3048
Code: 20 00 90 0f 0b 90 e9 f3 f9 ff ff e8 33 27 20 00 e8 de d8 19 0a 4d 85 f6 74 c0 e8 24 27 20 00 fb 49 bd 00 00 00 00 00 fc ff df <43> 80 3c 2f 00 48 8b 5c 24 30 74 08 48 89 df e8 55 99 86 00 4c 8b
RSP: 0018:ffffc900128666c0 EFLAGS: 00000246
RAX: ffffffff817350dc RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc900098dc000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90012866850 R08: ffffffff81735083 R09: 1ffffffff25fc30d
R10: dffffc0000000000 R11: fffffbfff25fc30e R12: ffffffff8eb2bde0
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffffffff1d657c7
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3118
vprintk_emit+0x7a1/0x900 kernel/printk/printk.c:2420
_printk+0xd5/0x120 kernel/printk/printk.c:2447
f2fs_printk+0x3e1/0x470
f2fs_write_end_io+0x62c/0x880 fs/f2fs/data.c:353
__submit_merged_bio+0x28c/0x700 fs/f2fs/data.c:541
f2fs_submit_page_write+0xd32/0x19c0
do_write_page+0x627/0x840 fs/f2fs/segment.c:3746
f2fs_outplace_write_data+0x1d3/0x3d0 fs/f2fs/segment.c:3800
f2fs_do_write_data_page+0x1312/0x1bb0 fs/f2fs/data.c:2745
f2fs_write_single_data_page+0xbec/0x1e90 fs/f2fs/data.c:2864
f2fs_write_cache_pages fs/f2fs/data.c:3157 [inline]
__f2fs_write_data_pages fs/f2fs/data.c:3312 [inline]
f2fs_write_data_pages+0x1efe/0x3aa0 fs/f2fs/data.c:3339
do_writepages+0x35d/0x870 mm/page-writeback.c:2661
filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
__filemap_fdatawrite_range mm/filemap.c:430 [inline]
filemap_write_and_wait_range+0x198/0x290 mm/filemap.c:685
f2fs_insert_range+0x34a/0x3a0 fs/f2fs/file.c:1734
f2fs_fallocate+0x4f8/0x960 fs/f2fs/file.c:1902
vfs_fallocate+0x553/0x6c0 fs/open.c:334
ksys_fallocate fs/open.c:357 [inline]
__do_sys_fallocate fs/open.c:365 [inline]
__se_sys_fallocate fs/open.c:363 [inline]
__x64_sys_fallocate+0xbd/0x110 fs/open.c:363
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: 0033:0x7f469207cf29
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:00007f4692d340c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f46921b3f80 RCX: 00007f469207cf29
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000004
RBP: 00007f46920ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000140000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f46921b3f80 R15: 00007ffcbd361b88
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
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: 0033:0x7ff5d3a7cf29
RSP: 002b:00007ff5d48b60c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff5d3bb3f80 RCX: 00007ff5d3a7cf29
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007ff5d3aec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff5d3bb3f80 R15: 00007ffd3cf85ae8
DEBUG: waiting rtnl_mutex for 3310 jiffies.
task:syz-executor.1 state:D stack:24784 pid:5936 tgid:5935 ppid:5123 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16451
genl_family_rcv_msg_doit net/netlink/genetlink.c:1110 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xaaa/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
___sys_sendmsg net/socket.c:2651 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680
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: 0033:0x7fab3287cf29
RSP: 002b:00007fab336190c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fab329b3f80 RCX: 00007fab3287cf29
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fab328ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fab329b3f80 R15: 00007ffe0b413798
DEBUG: waiting rtnl_mutex for 3199 jiffies.
task:syz-executor.0 state:D stack:24656 pid:5933 tgid:5933 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f39ffc7ec1c
RSP: 002b:00007fff99d52400 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f3a008e4620 RCX: 00007f39ffc7ec1c
RDX: 0000000000000028 RSI: 00007f3a008e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff99d52454 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f3a008e4670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 3120 jiffies.
task:syz-executor.3 state:D stack:24944 pid:5941 tgid:5941 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7fd57627ec1c
RSP: 002b:00007fff4de4bbb0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd576ee4620 RCX: 00007fd57627ec1c
RDX: 0000000000000028 RSI: 00007fd576ee4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff4de4bc04 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fd576ee4670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 3059 jiffies.
task:kworker/0:3 state:D stack:24720 pid:5173 tgid:5173 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
linkwatch_event+0xe/0x60 net/core/link_watch.c:276
process_one_work kernel/workqueue.c:3224 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3305
worker_thread+0x86d/0xd50 kernel/workqueue.c:3385
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 2424 jiffies.
task:syz-executor.1 state:D stack:24992 pid:5944 tgid:5944 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7fb64167ec1c
RSP: 002b:00007ffe85814500 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fb6422e4620 RCX: 00007fb64167ec1c
RDX: 0000000000000028 RSI: 00007fb6422e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe85814554 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fb6422e4670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 1478 jiffies.
task:kworker/u8:6 state:D stack:20536 pid:1040 tgid:1040 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
process_one_work kernel/workqueue.c:3224 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3305
worker_thread+0x86d/0xd50 kernel/workqueue.c:3385
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
DEBUG: waiting rtnl_mutex for 1172 jiffies.
task:syz-executor.4 state:D stack:24992 pid:5947 tgid:5947 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
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: 0033:0x7f394b47ec1c
RSP: 002b:00007fff48ace350 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f394c0e4620 RCX: 00007f394b47ec1c
RDX: 0000000000000028 RSI: 00007f394c0e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff48ace3a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f394c0e4670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 1017 jiffies.
task:kworker/1:6 state:D stack:22856 pid:5177 tgid:5177 ppid:2 flags:0x00004000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
reg_check_chans_work+0x99/0xfd0 net/wireless/reg.c:2480
process_one_work kernel/workqueue.c:3224 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3305
worker_thread+0x86d/0xd50 kernel/workqueue.c:3385
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
4 locks held by kworker/u8:0/11:
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90000107d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5ea750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246
3 locks held by kworker/1:2/58:
#0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc9000133fd00 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc9000133fd00 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: crda_timeout_work+0x15/0x50 net/wireless/reg.c:540
3 locks held by kworker/u8:6/1040:
#0: ffff88802a603948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff88802a603948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc90003e17d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90003e17d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
3 locks held by kworker/u8:9/2816:
#0: ffff88801aecd148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff88801aecd148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc900092d7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc900092d7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffff88805c1300e0 (&type->s_umount_key#67){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:562
2 locks held by getty/4848:
#0: ffff888029c200a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.3/5122:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
3 locks held by kworker/0:3/5173:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc90003e97d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90003e97d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/1:6/5177:
#0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff888015081948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc90003b37d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90003b37d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x99/0xfd0 net/wireless/reg.c:2480
2 locks held by syz-executor.4/5791:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
#1: ffffffff8e33ab78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#1: ffffffff8e33ab78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:959
9 locks held by syz-executor.2/5865:
#0: ffff88805c130420 (sb_writers#18){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2870 [inline]
#0: ffff88805c130420 (sb_writers#18){.+.+}-{0:0}, at: vfs_fallocate+0x4ea/0x6c0 fs/open.c:333
#1: ffff88805d7a0a10 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
#1: ffff88805d7a0a10 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: f2fs_fallocate+0x231/0x960 fs/f2fs/file.c:1875
#2: ffff88805d7a0bb0 (mapping.invalidate_lock#5){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:840 [inline]
#2: ffff88805d7a0bb0 (mapping.invalidate_lock#5){++++}-{3:3}, at: f2fs_insert_range+0x335/0x3a0 fs/f2fs/file.c:1733
#3: ffff88805be84128 (&sbi->writepages){+.+.}-{3:3}, at: __f2fs_write_data_pages fs/f2fs/data.c:3307 [inline]
#3: ffff88805be84128 (&sbi->writepages){+.+.}-{3:3}, at: f2fs_write_data_pages+0x3482/0x3aa0 fs/f2fs/data.c:3339
#4: ffff88805be843a8 (&sbi->cp_rwsem){++++}-{3:3}, at: f2fs_down_read_trylock fs/f2fs/f2fs.h:2161 [inline]
#4: ffff88805be843a8 (&sbi->cp_rwsem){++++}-{3:3}, at: f2fs_trylock_op fs/f2fs/f2fs.h:2211 [inline]
#4: ffff88805be843a8 (&sbi->cp_rwsem){++++}-{3:3}, at: f2fs_do_write_data_page+0xefb/0x1bb0 fs/f2fs/data.c:2722
#5: ffff88802c4a9678 (&io->io_rwsem){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2171 [inline]
#5: ffff88802c4a9678 (&io->io_rwsem){++++}-{3:3}, at: f2fs_submit_page_write+0xf4/0x19c0 fs/f2fs/data.c:955
#6: ffffc90000007c00 (net/core/rtnetlink.c:82){+.-.}-{0:0}, at: call_timer_fn+0xc0/0x650 kernel/time/timer.c:1789
#7: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:333 [inline]
#7: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:845 [inline]
#7: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: report_rtnl_holders+0x20/0x2d0 net/core/rtnetlink.c:95
#8: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:333 [inline]
#8: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:845 [inline]
#8: ffffffff8e3357a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6688
2 locks held by syz-executor.0/5925:
#0: ffffffff8f660770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16451
1 lock held by syz-executor.0/5933:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
2 locks held by syz-executor.1/5936:
#0: ffffffff8f660770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218
#1: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16451
1 lock held by syz-executor.2/5939:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
1 lock held by syz-executor.3/5941:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6724
1 lock held by syz-executor.1/5944:
#0: ffffffff8f5f7008 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x11 net/core/rtnetlink.c:6724