INFO: task syz-executor.5:4507 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:29152 pid: 4507 ppid: 4074 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3f0b088e99 RSP: 002b:00007f3f0c146168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3f0b19bf60 RCX: 00007f3f0b088e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f3f0b0e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7a401a8f R14: 00007f3f0c146300 R15: 0000000000022000 INFO: task syz-executor.0:4510 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28304 pid: 4510 ppid: 4115 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd9cd888e99 RSP: 002b:00007fd9ceac3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd9cd99bf60 RCX: 00007fd9cd888e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fd9cd8e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7c3fbe6f R14: 00007fd9ceac3300 R15: 0000000000022000 INFO: task syz-executor.2:4514 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29152 pid: 4514 ppid: 4075 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0a1dc88e99 RSP: 002b:00007f0a1ed6f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0a1dd9c030 RCX: 00007f0a1dc88e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f0a1dce2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd82b47cf R14: 00007f0a1ed6f300 R15: 0000000000022000 INFO: task syz-executor.3:4517 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29288 pid: 4517 ppid: 4071 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc6ab088e99 RSP: 002b:00007fc6ac19b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc6ab19bf60 RCX: 00007fc6ab088e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fc6ab0e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce8ff132f R14: 00007fc6ac19b300 R15: 0000000000022000 INFO: task syz-executor.4:4520 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28672 pid: 4520 ppid: 4073 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6ad2888e99 RSP: 002b:00007f6ad3a12168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6ad299bf60 RCX: 00007f6ad2888e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f6ad28e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd59ff6baf R14: 00007f6ad3a12300 R15: 0000000000022000 INFO: task syz-executor.1:4523 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:29280 pid: 4523 ppid: 4072 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe982c88e99 RSP: 002b:00007fe983e90168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe982d9bf60 RCX: 00007fe982c88e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fe982ce2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd49fefb1f R14: 00007fe983e90300 R15: 0000000000022000 INFO: task syz-executor.5:4526 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:29280 pid: 4526 ppid: 4074 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3f0b088e99 RSP: 002b:00007f3f0c146168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3f0b19bf60 RCX: 00007f3f0b088e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f3f0b0e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7a401a8f R14: 00007f3f0c146300 R15: 0000000000022000 INFO: task syz-executor.0:4529 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:29288 pid: 4529 ppid: 4115 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd9cd888e99 RSP: 002b:00007fd9ceac3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd9cd99bf60 RCX: 00007fd9cd888e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fd9cd8e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7c3fbe6f R14: 00007fd9ceac3300 R15: 0000000000022000 INFO: task syz-executor.2:4532 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29280 pid: 4532 ppid: 4075 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0a1dc88e99 RSP: 002b:00007f0a1ed90168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0a1dd9bf60 RCX: 00007f0a1dc88e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007f0a1dce2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd82b47cf R14: 00007f0a1ed90300 R15: 0000000000022000 INFO: task syz-executor.3:4535 blocked for more than 145 seconds. Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28816 pid: 4535 ppid: 4071 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5182 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6494 schedule+0xda/0x1b0 kernel/sched/core.c:6570 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 tioclinux+0x126/0x560 drivers/tty/vt/vt.c:3204 vt_ioctl+0x22a4/0x2b20 drivers/tty/vt/vt_ioctl.c:762 tty_ioctl+0xfab/0x15d0 drivers/tty/tty_io.c:2778 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+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc6ab088e99 RSP: 002b:00007fc6ac19b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc6ab19bf60 RCX: 00007fc6ab088e99 RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003 RBP: 00007fc6ab0e2ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffce8ff132f R14: 00007fc6ac19b300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8bf88bb0 (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/14: #0: ffffffff8bf888b0 (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: ffffffff8bf89700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492 3 locks held by kworker/u4:5/1159: #0: ffff8880b9b39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:544 #1: ffff8880b9b277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0 kernel/sched/psi.c:876 #2: ffff8880b9b283d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:999 2 locks held by getty/3284: #0: ffff88814a95a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177 2 locks held by syz-executor.1/4504: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4507: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4510: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4514: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4517: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4520: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4523: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4526: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4529: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4532: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4535: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4538: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4541: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4544: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4547: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4550: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4553: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4556: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4559: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4562: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4565: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4568: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4571: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4574: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4577: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4580: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4583: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4586: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4589: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4592: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4595: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4598: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4601: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4604: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4607: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4610: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4616: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4619: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4622: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4626: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4629: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4632: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4635: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4638: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4641: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4644: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4647: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4650: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4654: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4657: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4660: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4663: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4667: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4670: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4673: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4676: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4679: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4682: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4685: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4688: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4691: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4694: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4697: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4700: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4703: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4706: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4709: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4712: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4715: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.2/4717: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4721: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4724: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4727: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4730: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4733: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4736: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.4/4739: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.1/4742: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.5/4745: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.0/4748: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 2 locks held by syz-executor.3/4750: #0: ffff88807d2f4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffff8880118790b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x110/0x4c0 drivers/tty/vt/selection.c:391 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc18/0xf50 kernel/hung_task.c:369 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.0.0-syzkaller-00251-g4fe89d07dcc2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline] RIP: 0010:lock_release+0xa9/0x780 kernel/locking/lockdep.c:5677 Code: 07 0f 87 34 05 00 00 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 d0 e6 de 8d e8 bf fc 68 00 48 0f a3 1d 67 71 7f 0c <0f> 82 7f 04 00 00 48 c7 c3 8c 1a df 8d 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc900000e7bc0 EFLAGS: 00000247 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815f7561 RDX: fffffbfff1bbdcdb RSI: 0000000000000008 RDI: ffffffff8ddee6d0 RBP: 1ffff9200001cf7a R08: 0000000000000000 R09: ffffffff8ddee6d7 R10: fffffbfff1bbdcda R11: 0000000000000000 R12: ffffffff8bf89700 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000377 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a474de8680 CR3: 000000001d069000 CR4: 0000000000350ee0 Call Trace: rcu_lock_release include/linux/rcupdate.h:285 [inline] rcu_read_unlock include/linux/rcupdate.h:739 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline] batadv_nc_worker+0x86b/0xfa0 net/batman-adv/network-coding.c:719 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306