ci starts bisection 2023-05-31 06:11:37.383935297 +0000 UTC m=+36872.181213588
bisecting fixing commit since 9d2f6060fe4c3b49d0cdc1dce1c99296f33379c8
building syzkaller on c692fab1c2ff0de2554c5940f77ac8c168e729b2
ensuring issue is reproducible on original commit 9d2f6060fe4c3b49d0cdc1dce1c99296f33379c8
testing commit 9d2f6060fe4c3b49d0cdc1dce1c99296f33379c8 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3e1885f95ab7232f09b52290e888968aa3f03f4fa5da3188f1cc9012b5ba41be
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in corrupted
run #13: crashed: INFO: task hung in misc_open
run #14: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #15: crashed: INFO: task hung in rfkill_unregister
run #16: crashed: INFO: task hung in misc_open
run #17: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #18: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #19: crashed: INFO: task hung in rfkill_global_led_trigger_worker
testing current HEAD 48b1320a674e1ff5de2fad8606bee38f724594dc
testing commit 48b1320a674e1ff5de2fad8606bee38f724594dc gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 30606754cb0f1e49cb3a7fb6616473d2c83991a18c09343317ea06e515d8f951
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #3: crashed: INFO: task hung in rfkill_unregister
run #4: crashed: INFO: task hung in misc_open
run #5: crashed: INFO: task hung in misc_open
run #6: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #7: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #8: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #9: crashed: INFO: task hung in rfkill_global_led_trigger_worker
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 32m47.522881013s (build: 17m47.175287005s, test: 13m57.165380004s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Merge tag 'for-6.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
crash: INFO: task hung in rfkill_global_led_trigger_worker
INFO: task kworker/0:15:6831 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:15 state:D stack:28336 pid:6831 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x14/0xf0 net/rfkill/core.c:181
process_one_work+0x86e/0x1410 kernel/workqueue.c:2405
worker_thread+0x5af/0xf00 kernel/workqueue.c:2552
kthread+0x2ea/0x3c0 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.4:8217 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27376 pid:8217 ppid:6158 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f9a579
RSP: 002b:00000000ffd56d90 EFLAGS: 00000282 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f734d000 RDI: 00000000000259e6
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.0:8223 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27376 pid:8223 ppid:6029 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fc6579
RSP: 002b:00000000ffe87480 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f734d000 RDI: 00000000000259f6
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.0:8235 blocked for more than 144 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28448 pid:8235 ppid:6029 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_fop_open+0x127/0x700 net/rfkill/core.c:1163
misc_open+0x2f9/0x410 drivers/char/misc.c:165
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fc6579
RSP: 002b:00000000f7fa05cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000040
RDX: 0000000000000801 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:8225 blocked for more than 144 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27376 pid:8225 ppid:5347 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f89579
RSP: 002b:00000000ffc41640 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f734d000 RDI: 00000000000259fb
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:8233 blocked for more than 144 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28400 pid:8233 ppid:5347 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f89579
RSP: 002b:00000000f7f635cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000040
RDX: 0000000000000801 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.2:8240 blocked for more than 144 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28448 pid:8240 ppid:5704 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f3b579
RSP: 002b:00000000f7f365cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000080
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.2:8250 blocked for more than 145 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28008 pid:8250 ppid:5704 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f3b579
RSP: 002b:00000000f7f155cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000040
RDX: 0000000000000801 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.3:8239 blocked for more than 145 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28448 pid:8239 ppid:6389 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7ff8579
RSP: 002b:00000000f7ff35cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000080
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.3:8246 blocked for more than 146 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28448 pid:8246 ppid:6389 flags:0x20000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc25/0x57f0 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3791
do_filp_open+0x1a9/0x3e0 fs/namei.c:3818
do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_compat_sys_openat fs/open.c:1432 [inline]
__se_compat_sys_openat fs/open.c:1430 [inline]
__ia32_compat_sys_openat+0x11e/0x1d0 fs/open.c:1430
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7ff8579
RSP: 002b:00000000f7fd25cc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000040
RDX: 0000000000000801 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8b78eeb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8b78ebb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8b78fac0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
2 locks held by getty/4738:
#0: ffff88814bcb0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb73/0x1040 drivers/tty/n_tty.c:2176
3 locks held by kworker/0:15/6831:
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x793/0x1410 kernel/workqueue.c:2376
#1: ffffc9000b06fdc0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7c0/0x1410 kernel/workqueue.c:2380
#2: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x14/0xf0 net/rfkill/core.c:181
2 locks held by syz-executor.4/8217:
#0: ffff88806ae17100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#0: ffff88806ae17100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.0/8223:
#0: ffff888079c96100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#0: ffff888079c96100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.0/8235:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
#1: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x127/0x700 net/rfkill/core.c:1163
2 locks held by syz-executor.1/8225:
#0: ffff888029a98100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#0: ffff888029a98100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
1 lock held by syz-executor.1/8233:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/8240:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/8250:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/8239:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/8246:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.5/8249:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
2 locks held by syz-executor.5/8258:
#0: ffffffff8d4221e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x11d/0x480 net/rfkill/core.c:1278
#1: ffff88806ae17100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#1: ffff88806ae17100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x23/0x270 net/nfc/core.c:143
1 lock held by syz-executor.4/8265:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.0/8267:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.1/8268:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/8269:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/8270:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.5/8271:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.0/8277:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.4/8279:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/8284:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.1/8285:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.5/8286:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/8287:
#0: ffffffff8c21ac48 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x64/0xb0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x175/0x200 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1bc/0x200 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x9f9/0xcf0 kernel/hung_task.c:379
kthread+0x2ea/0x3c0 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 51 Comm: kworker/u4:3 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lock_release+0x406/0x670 kernel/locking/lockdep.c:5729
Code: 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df 48 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 <48> 8b 84 24 88 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 bd 01 00
RSP: 0018:ffffc90000bc7bc8 EFLAGS: 00000286
RAX: dffffc0000000000 RBX: b196898c0edd8ff2 RCX: ffffc90000bc7c18
RDX: 1ffff11002df1c7f RSI: ffffffff896b9940 RDI: ffffffff89c29b60
RBP: fffff52000178f7b R08: 0000000000000001 R09: ffffffff8d66df97
R10: fffffbfff1acdbf2 R11: ffff8880b9b29680 R12: 0000000000000002
R13: ffff888016f8e400 R14: 0000000000000003 R15: ffff888016f8d940
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9dc785b200 CR3: 000000000b56c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_release include/linux/rcupdate.h:332 [inline]
rcu_read_unlock include/linux/rcupdate.h:806 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x668/0xd90 net/batman-adv/network-coding.c:719
process_one_work+0x86e/0x1410 kernel/workqueue.c:2405
worker_thread+0x5af/0xf00 kernel/workqueue.c:2552
kthread+0x2ea/0x3c0 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308