INFO: task syz-executor.1:5612 blocked for more than 143 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28720 pid:5612 tgid:5612 ppid:5405 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7f5868c79669
RSP: 002b:00007f5869dd70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5868d8c030 RCX: 00007f5868c79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f5868cd4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5868d8c030 R15: 00007ffd82fa1438
INFO: task syz-executor.2:5617 blocked for more than 143 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28720 pid:5617 tgid:5617 ppid:5404 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7fc20da79669
RSP: 002b:00007fc20eaf70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc20db8c030 RCX: 00007fc20da79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007fc20dad4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc20db8c030 R15: 00007ffdab33f898
INFO: task syz-executor.4:5623 blocked for more than 143 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28720 pid:5623 tgid:5623 ppid:5408 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7f061d679669
RSP: 002b:00007f061e8030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f061d78bf60 RCX: 00007f061d679669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f061d6d4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f061d78bf60 R15: 00007fffa02ac748
INFO: task syz-executor.0:5626 blocked for more than 144 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27064 pid:5626 tgid:5626 ppid:5407 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7ff584e79669
RSP: 002b:00007ff585f520c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff584f8c030 RCX: 00007ff584e79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007ff584ed4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007ff584f8c030 R15: 00007ffdf14d3958
INFO: task syz-executor.5:5628 blocked for more than 144 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28720 pid:5628 tgid:5628 ppid:5403 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7f93ed079669
RSP: 002b:00007f93ee2550c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f93ed18c030 RCX: 00007f93ed079669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f93ed0d4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f93ed18c030 R15: 00007ffeec2870a8
INFO: task syz-executor.3:5632 blocked for more than 144 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28720 pid:5632 tgid:5632 ppid:5402 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7fc04be79669
RSP: 002b:00007fc04cf8c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc04bf8c030 RCX: 00007fc04be79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007fc04bed4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc04bf8c030 R15: 00007ffea96007b8
INFO: task syz-executor.1:5637 blocked for more than 145 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28432 pid:5637 tgid:5637 ppid:5405 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7f5868c79669
RSP: 002b:00007f5869dd70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5868d8c030 RCX: 00007f5868c79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f5868cd4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5868d8c030 R15: 00007ffd82fa1438
INFO: task syz-executor.2:5642 blocked for more than 145 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28272 pid:5642 tgid:5642 ppid:5404 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7fc20da79669
RSP: 002b:00007fc20eaf70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc20db8c030 RCX: 00007fc20da79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007fc20dad4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc20db8c030 R15: 00007ffdab33f898
INFO: task syz-executor.0:5645 blocked for more than 145 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27360 pid:5645 tgid:5643 ppid:5407 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7ff584e79669
RSP: 002b:00007ff585f730c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff584f8bf60 RCX: 00007ff584e79669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007ff584ed4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff584f8bf60 R15: 00007ffdf14d3958
INFO: task syz-executor.4:5652 blocked for more than 145 seconds.
Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28720 pid:5652 tgid:5652 ppid:5408 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
vt_ioctl+0x9db/0x2090 drivers/tty/vt/vt_ioctl.c:761
tty_ioctl+0x917/0xdc0 drivers/tty/tty_io.c:2803
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfe/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: 0033:0x7f061d679669
RSP: 002b:00007f061e7e20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f061d78c030 RCX: 00007f061d679669
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00007f061d6d4fd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f061d78c030 R15: 00007fffa02ac748
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by kworker/u8:4/52:
#0: ffff8880b943e7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9428948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
2 locks held by getty/4841:
#0: ffff88802ac040a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
2 locks held by syz-executor.3/5608:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.1/5612:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.2/5617:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.4/5623:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.0/5626:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.5/5628:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.3/5632:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.1/5637:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.2/5642:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.0/5645:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.4/5652:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.5/5654:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.3/5659:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.1/5663:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.2/5667:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.4/5671:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.5/5674:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.3/5677:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.1/5681:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.2/5685:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.4/5689:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
2 locks held by syz-executor.5/5693:
#0: ffff8880742460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffff8880150990b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x166/0x4f0 drivers/tty/vt/selection.c:400
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 780 Comm: kworker/0:2 Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:unwind_next_frame+0x1e07/0x2a00 arch/x86/kernel/unwind_orc.c:665
Code: e3 76 6f 4d 8d 7c 24 08 4c 89 e7 48 8b b4 24 90 00 00 00 e8 db 1b 55 00 4d 39 f7 76 5c 49 39 df 77 57 4c 3b a4 24 90 00 00 00 <77> 4d 48 8b 2c 24 48 8d 5d 28 48 89 d8 48 c1 e8 03 42 80 3c 28 00
RSP: 0018:ffffc9000355f440 EFLAGS: 00000212
RAX: 0000000000000000 RBX: ffffc90003560000 RCX: ffff88801fa38000
RDX: ffff88801fa38000 RSI: ffffc9000355f518 RDI: ffffc9000355f580
RBP: ffffc9000355f580 R08: ffffffff81410de5 R09: ffffffff8141095f
R10: 0000000000000003 R11: ffff88801fa38000 R12: ffffc9000355f580
R13: dffffc0000000000 R14: ffffc90003558000 R15: ffffc9000355f588
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595ba947600 CR3: 000000000e132000 CR4: 0000000000350ef0
Call Trace:
__unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4122 [inline]
kmalloc_node_track_caller_noprof+0x225/0x440 mm/slub.c:4142
kmalloc_reserve+0x111/0x2a0 net/core/skbuff.c:597
__alloc_skb+0x1f3/0x440 net/core/skbuff.c:666
alloc_skb include/linux/skbuff.h:1308 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline]
nsim_dev_trap_report_work+0x254/0xaa0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244