INFO: task syz-executor.4:5742 blocked for more than 143 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26864 pid:5742 tgid:5741 ppid:5408 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
sg_ioctl_common drivers/scsi/sg.c:1121 [inline]
sg_ioctl+0xa4c/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7f018a47cda9
RSP: 002b:00007f018b2180c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f018a5abf80 RCX: 00007f018a47cda9
RDX: 0000000020000040 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007f018a4c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f018a5abf80 R15: 00007ffcaa9d08f8
INFO: task syz-executor.4:5744 blocked for more than 143 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27872 pid:5744 tgid:5741 ppid:5408 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
sg_ioctl_common drivers/scsi/sg.c:1129 [inline]
sg_ioctl+0x4bc/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7f018a47cda9
RSP: 002b:00007f018b1f70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f018a5ac050 RCX: 00007f018a47cda9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000003
RBP: 00007f018a4c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f018a5ac050 R15: 00007ffcaa9d08f8
INFO: task syz-executor.1:5754 blocked for more than 144 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26640 pid:5754 tgid:5750 ppid:5412 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
sg_ioctl_common drivers/scsi/sg.c:1121 [inline]
sg_ioctl+0xa4c/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7fcd05a7cda9
RSP: 002b:00007fcd0678e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcd05babf80 RCX: 00007fcd05a7cda9
RDX: 0000000020000040 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fcd05ac947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcd05babf80 R15: 00007ffd1766c038
INFO: task syz-executor.1:5758 blocked for more than 144 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27960 pid:5758 tgid:5750 ppid:5412 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
sg_ioctl_common drivers/scsi/sg.c:1129 [inline]
sg_ioctl+0x4bc/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7fcd05a7cda9
RSP: 002b:00007fcd0676d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcd05bac050 RCX: 00007fcd05a7cda9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000003
RBP: 00007fcd05ac947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcd05bac050 R15: 00007ffd1766c038
INFO: task syz-executor.0:5752 blocked for more than 144 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27360 pid:5752 tgid:5751 ppid:5406 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
sg_ioctl_common drivers/scsi/sg.c:1121 [inline]
sg_ioctl+0xa4c/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7f833547cda9
RSP: 002b:00007f833611a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f83355abf80 RCX: 00007f833547cda9
RDX: 0000000020000040 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007f83354c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f83355abf80 R15: 00007ffd1695ad28
INFO: task syz-executor.0:5757 blocked for more than 145 seconds.
Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28960 pid:5757 tgid:5751 ppid:5406 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6746
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
sg_ioctl_common drivers/scsi/sg.c:1129 [inline]
sg_ioctl+0x4bc/0x2e80 drivers/scsi/sg.c:1163
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7f833547cda9
RSP: 002b:00007f8334fff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f83355ac050 RCX: 00007f833547cda9
RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000003
RBP: 00007f83354c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f83355ac050 R15: 00007ffd1695ad28
Showing all locks held in the system:
3 locks held by kworker/u8:1/12:
#0: ffff8880299bf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3199 [inline]
#0: ffff8880299bf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3305
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
1 lock held by khungtaskd/30:
#0: ffffffff8e3357e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:333 [inline]
#0: ffffffff8e3357e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:845 [inline]
#0: ffffffff8e3357e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6704
3 locks held by kworker/u8:8/3661:
2 locks held by getty/4845:
#0: ffff88802f5720a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:7/5564:
#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: ffffc90004b67d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3200 [inline]
#1: ffffc90004b67d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3305
#2: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
4 locks held by syz-executor.3/5739:
1 lock held by syz-executor.4/5742:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.4/5744:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.1/5754:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.1/5758:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.0/5752:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.0/5757:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.2/5958:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.2/5959:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.5/5979:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.5/5980:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.3/5982:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.3/5983:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.4/5985:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.4/5986:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.0/5988:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.0/5989:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.1/5991:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.1/5992:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.2/6027:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.2/6028:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.5/6081:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.5/6083:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.3/6094:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.3/6095:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.0/6097:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.0/6098:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.4/6103:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.4/6104:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.1/6106:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.1/6107:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.2/6130:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_setup+0xb0/0x1e0 kernel/trace/blktrace.c:647
1 lock held by syz-executor.2/6131:
#0: ffff88801fffdbd0 (&q->debugfs_mutex){+.+.}-{3:3}, at: blk_trace_remove+0x20/0x40 kernel/trace/blktrace.c:406
1 lock held by syz-executor.5/6133:
#0: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6723
1 lock held by syz-executor.3/6142:
#0: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6723
8 locks held by syz-executor.0/6151:
#0: ffff88807b8be420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline]
#0: ffff88807b8be420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff88808b3ed088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffff888021dbff08 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3: ffffffff8ef03e68 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216
#4: ffff888069fea0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#4: ffff888069fea0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1094 [inline]
#4: ffff888069fea0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
#5: ffff888069fe9250 (&devlink->lock_key#17){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672
#6: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773
#7: ffffffff8e33abb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#7: ffffffff8e33abb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:959
1 lock held by syz-executor.4/6164:
#0: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6723
1 lock held by syz-executor.1/6167:
#0: ffffffff8f5fde08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x839/0x1170 net/core/rtnetlink.c:6723
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfee/0x1030 kernel/hung_task.c:379
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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2894 Comm: kworker/u8:7 Not tainted 6.10.0-rc5-next-20240628-syzkaller-09689-g1eb586a9782c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:109 [inline]
RIP: 0010:do_raw_spin_lock+0x2cf/0x370 kernel/locking/spinlock_debug.c:116
Code: fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3d fe ff ff 48 89 df e8 d0 89 89 00 48 ba 00 00 00 00 00 fc ff df e9 26 fe ff ff <44> 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 4d fe ff ff 4c 89 f7 e8 98
RSP: 0018:ffffc90009b9f9e0 EFLAGS: 00000202
RAX: 0000000000000004 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 1ffff92001373f44 RDI: ffff8880392a1140
RBP: ffffc90009b9fab0 R08: ffffffff9300d85f R09: 1ffffffff2601b0b
R10: dffffc0000000000 R11: fffffbfff2601b0c R12: ffff8880392a1140
R13: 1ffff92001373f48 R14: ffffc90009b9fa40 R15: 1ffff11007254229
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97aaf1a440 CR3: 000000002d3d6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
spin_lock_bh include/linux/spinlock.h:356 [inline]
batadv_nc_purge_paths+0xe8/0x3b0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x328/0x610 net/batman-adv/network-coding.c:720
process_one_work kernel/workqueue.c:3224 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3305
worker_thread+0x86d/0xd40 kernel/workqueue.c:3383
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