INFO: task syz-executor.2:10821 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28240 pid:10821 ppid:5080 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
dev_ifsioc+0xd02/0x11a0 net/core/dev_ioctl.c:389
dev_ioctl+0x250/0x1060 net/core/dev_ioctl.c:588
sock_do_ioctl+0x15a/0x230 net/socket.c:1183
sock_ioctl+0x1f8/0x680 net/socket.c:1286
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f05de08c0c9
RSP: 002b:00007f05ded3e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f05de1abf80 RCX: 00007f05de08c0c9
RDX: 00000000200000c0 RSI: 00000000000089a2 RDI: 0000000000000004
RBP: 00007f05de0e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd8d742aaf R14: 00007f05ded3e300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.3:10823 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28240 pid:10823 ppid:5081 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
sock_ioctl+0x357/0x680 net/socket.c:1240
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f17d888c0c9
RSP: 002b:00007f17d95b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17d89abf80 RCX: 00007f17d888c0c9
RDX: 0000000020000000 RSI: 00000000000089a1 RDI: 0000000000000004
RBP: 00007f17d88e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeef6a305f R14: 00007f17d95b2300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.3:10832 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29520 pid:10832 ppid:5081 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
sock_ioctl+0x357/0x680 net/socket.c:1240
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f17d888c0c9
RSP: 002b:00007f17d9570168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17d89ac120 RCX: 00007f17d888c0c9
RDX: 0000000020000000 RSI: 00000000000089a1 RDI: 0000000000000004
RBP: 00007f17d88e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeef6a305f R14: 00007f17d9570300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.1:10825 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28240 pid:10825 ppid:5072 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
sock_ioctl+0x357/0x680 net/socket.c:1240
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ba308c0c9
RSP: 002b:00007f5ba3d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5ba31abf80 RCX: 00007f5ba308c0c9
RDX: 00000000200000c0 RSI: 00000000000089a0 RDI: 0000000000000004
RBP: 00007f5ba30e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffcc737b1f R14: 00007f5ba3d50300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.4:10827 blocked for more than 144 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27720 pid:10827 ppid:5075 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
sock_ioctl+0x357/0x680 net/socket.c:1240
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3887e8c0c9
RSP: 002b:00007f3888b91168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3887fabf80 RCX: 00007f3887e8c0c9
RDX: 00000000200000c0 RSI: 00000000000089a0 RDI: 0000000000000004
RBP: 00007f3887ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1ffd805f R14: 00007f3888b91300 R15: 0000000000022000
</TASK>
INFO: task syz-executor.0:10829 blocked for more than 145 seconds.
Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28240 pid:10829 ppid:5078 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
br_ioctl_call+0x3f/0xb0 net/socket.c:1141
sock_ioctl+0x357/0x680 net/socket.c:1240
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0ce2c8c0c9
RSP: 002b:00007f0ce39ba168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0ce2dabf80 RCX: 00007f0ce2c8c0c9
RDX: 00000000200000c0 RSI: 00000000000089a0 RDI: 0000000000000004
RBP: 00007f0ce2ce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff720ca67f R14: 00007f0ce39ba300 R15: 0000000000022000
</TASK>
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c790fb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c790cb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8c791b00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4748:
#0: ffff88802be3b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:2/12416:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000ab9fda8 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xf/0x70 net/core/link_watch.c:277
3 locks held by kworker/0:0/12685:
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90003defda8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x12d0 net/ipv6/addrconf.c:4083
2 locks held by syz-executor.5/10820:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
#1: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: netdev_wait_allrefs_any net/core/dev.c:10223 [inline]
#1: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: netdev_run_todo+0xb8d/0x1100 net/core/dev.c:10341
1 lock held by syz-executor.2/10821:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.3/10823:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.3/10832:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.1/10825:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.4/10827:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.0/10829:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
3 locks held by kworker/1:3/10903:
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814a276d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000372fda8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa7/0x12d0 net/ipv6/addrconf.c:4083
1 lock held by syz-executor.5/10926:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.2/10932:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
2 locks held by kworker/1:8/10934:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000384fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
1 lock held by syz-executor.1/10940:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.0/10950:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.3/10958:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.4/10960:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
1 lock held by syz-executor.1/10987:
#0: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
3 locks held by syz-executor.0/11003:
5 locks held by syz-executor.3/11009:
#0: ffff88801867c460 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12b/0x250 fs/read_write.c:637
#1: ffff88803018b888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x285/0x600 fs/kernfs/file.c:325
#2: ffff888147483660 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2a9/0x600 fs/kernfs/file.c:326
#3: ffffffff8d7af5e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xc9/0x470 drivers/net/netdevsim/bus.c:209
#4: ffff88804d4010e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:831 [inline]
#4: ffff88804d4010e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1073 [inline]
#4: ffff88804d4010e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x700 drivers/base/dd.c:1276
1 lock held by syz-executor.5/11014:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
2 locks held by syz-executor.4/11019:
#0: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline]
#0: ffffffff8e0bdfa8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e9/0xca0 net/core/rtnetlink.c:6138
#1: ffffffff8c79c7b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#1: ffffffff8c79c7b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946
1 lock held by syz-executor.2/11027:
#0: ffffffff8e09a1a8 (br_ioctl_mutex){+.+.}-{3:3}, at: br_ioctl_call+0x3f/0xb0 net/socket.c:1141
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy14 ieee80211_iface_work
RIP: 0010:__local_bh_enable_ip+0x8e/0x130 kernel/softirq.c:391
Code: c4 02 75 5a 65 8b 05 59 c4 b6 7e 25 00 ff 00 00 3d 00 02 00 00 74 4e 83 eb 01 f7 db 65 01 1d 41 c4 b6 7e 65 8b 05 3a c4 b6 7e <a9> 00 ff ff 00 74 45 bf 01 00 00 00 e8 21 e8 09 00 e8 4c fc 3a 00
RSP: 0018:ffffc90001577580 EFLAGS: 00000083
RAX: 0000000080000001 RBX: 00000000fffffe00 RCX: 1ffffffff2381340
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffffff89264bda R08: 0000000000000000 R09: ffff88807a930153
R10: ffffed100f52602a R11: 0000000000000000 R12: ffff88802a997000
R13: ffffc900015776c8 R14: ffff88807a930000 R15: 0000000000000080
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555e42848 CR3: 0000000029e6c000 CR4: 0000000000350ee0
Call Trace:
<TASK>
spin_unlock_bh include/linux/spinlock.h:395 [inline]
cfg80211_bss_update+0x26a/0x21b0 net/wireless/scan.c:1804
cfg80211_inform_single_bss_frame_data+0x761/0xfc0 net/wireless/scan.c:2492
cfg80211_inform_bss_frame_data+0xc3/0xc80 net/wireless/scan.c:2525
ieee80211_bss_info_update+0x35c/0xaf0 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x19fc/0x3160 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1637
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>