INFO: task syz-executor.0:5992 blocked for more than 143 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27664 pid:5992 ppid:5529 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7fd41fe88e99
RSP: 002b:00007fd421099168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd41ff9bf60 RCX: 00007fd41fe88e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007fd41fee2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5a03d16f R14: 00007fd421099300 R15: 0000000000022000
INFO: task syz-executor.2:5990 blocked for more than 143 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29176 pid:5990 ppid:5527 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7facc2288e99
RSP: 002b:00007facc19fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007facc239bf60 RCX: 00007facc2288e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007facc22e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc097b93bf R14: 00007facc19fe300 R15: 0000000000022000
INFO: task syz-executor.4:5997 blocked for more than 143 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28384 pid:5997 ppid:5523 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f7360088e99
RSP: 002b:00007f7361221168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f736019bf60 RCX: 00007f7360088e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f73600e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec7a0cbaf R14: 00007f7361221300 R15: 0000000000022000
INFO: task syz-executor.3:6000 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28744 pid:6000 ppid:5524 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f6a42888e99
RSP: 002b:00007f6a43ac1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a4299bf60 RCX: 00007f6a42888e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f6a428e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3a95d3ff R14: 00007f6a43ac1300 R15: 0000000000022000
INFO: task syz-executor.5:6003 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28744 pid:6003 ppid:5522 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f5ac0e88e99
RSP: 002b:00007f5ac1f2d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5ac0f9bf60 RCX: 00007f5ac0e88e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f5ac0ee2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffefbe958bf R14: 00007f5ac1f2d300 R15: 0000000000022000
INFO: task syz-executor.1:6006 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29200 pid:6006 ppid:5585 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f4ac3488e99
RSP: 002b:00007f4ac46a4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4ac359bf60 RCX: 00007f4ac3488e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f4ac34e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd9a865adf R14: 00007f4ac46a4300 R15: 0000000000022000
INFO: task syz-executor.2:6009 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:29320 pid:6009 ppid:5527 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7facc2288e99
RSP: 002b:00007facc19fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007facc239bf60 RCX: 00007facc2288e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007facc22e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc097b93bf R14: 00007facc19fe300 R15: 0000000000022000
INFO: task syz-executor.4:6012 blocked for more than 145 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29200 pid:6012 ppid:5523 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f7360088e99
RSP: 002b:00007f7361221168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f736019bf60 RCX: 00007f7360088e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f73600e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec7a0cbaf R14: 00007f7361221300 R15: 0000000000022000
INFO: task syz-executor.3:6015 blocked for more than 145 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29200 pid:6015 ppid:5524 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f6a42888e99
RSP: 002b:00007f6a43ac1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a4299bf60 RCX: 00007f6a42888e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f6a428e2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3a95d3ff R14: 00007f6a43ac1300 R15: 0000000000022000
INFO: task syz-executor.5:6018 blocked for more than 145 seconds.
Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29320 pid:6018 ppid:5522 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
tioclinux+0x48f/0x5d0 drivers/tty/vt/vt.c:3204
vt_ioctl+0x254b/0x2df0 drivers/tty/vt/vt_ioctl.c:762
tty_ioctl+0x762/0x1670 drivers/tty/tty_io.c:2775
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: 0033:0x7f5ac0e88e99
RSP: 002b:00007f5ac1f2d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5ac0f9bf60 RCX: 00007f5ac0e88e99
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f5ac0ee2ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffefbe958bf R14: 00007f5ac1f2d300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c790f30 (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: ffffffff8c790c30 (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: ffffffff8c791a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/4738:
#0: ffff88802757b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
5 locks held by kworker/u4:5/5598:
2 locks held by syz-executor.1/5987:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.0/5992:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.2/5990:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.4/5997:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.3/6000:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.5/6003:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.1/6006:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.2/6009:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.4/6012:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.3/6015:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.5/6018:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.1/6021:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.2/6024:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
2 locks held by syz-executor.4/6027:
#0: ffff88806f33d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffff8880124c10b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x114/0x4d0 drivers/tty/vt/selection.c:391
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__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
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5598 Comm: kworker/u4:5 Not tainted 6.2.0-rc3-syzkaller-00021-g7dd4b804e080 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:kasan_check_range+0x138/0x190 mm/kasan/generic.c:190
Code: 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a 5b b8 01 00 00 00 5d 41 5c 44 89 c2 e8 3f ee ff ff 5b 83 f0 01 5d 41 5c c3 b8 01 00 00 00
RSP: 0018:ffffc90005f077a8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 00000000000000b3 RCX: ffffffff816393a0
RDX: fffffbfff2266d5b RSI: 0000000000000008 RDI: ffffffff91336ad0
RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffff91336ad7
R10: fffffbfff2266d5a R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807eb957c0 R14: ffff88807eb961f8 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564515852680 CR3: 000000000c48e000 CR4: 0000000000350ef0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:227 [inline]
check_wait_context kernel/locking/lockdep.c:4754 [inline]
__lock_acquire+0x6f0/0x56d0 kernel/locking/lockdep.c:5005
lock_acquire kernel/locking/lockdep.c:5668 [inline]
lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x12f/0x1360 kernel/locking/mutex.c:747
arch_jump_label_transform_queue+0x5c/0x100 arch/x86/kernel/jump_label.c:136
__jump_label_update+0x12e/0x410 kernel/jump_label.c:475
jump_label_update+0x32f/0x410 kernel/jump_label.c:829
static_key_disable_cpuslocked+0x156/0x1b0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate mm/kfence/core.c:804 [inline]
toggle_allocation_gate+0x143/0x230 mm/kfence/core.c:791
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