audit: type=1326 audit(1645631875.735:93): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=15484 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=16 compat=0 ip=0x7facac56eb19 code=0x7ffc0000 netlink: 288 bytes leftover after parsing attributes in process `syz-executor.4'. Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout INFO: task syz-executor.0:15465 blocked for more than 143 seconds. Not tainted 5.10.96 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28736 pid:15465 ppid: 284 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 tioclinux+0x48d/0x5a0 drivers/tty/vt/vt.c:3205 vt_ioctl+0x24df/0x2f20 drivers/tty/vt/vt_ioctl.c:862 tty_ioctl+0x862/0x1830 drivers/tty/tty_io.c:2742 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fcc5bbcbb19 RSP: 002b:00007fcc59120188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcc5bcdf020 RCX: 00007fcc5bbcbb19 RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 RBP: 00007fcc5bc25f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd394c766f R14: 00007fcc59120300 R15: 0000000000022000 INFO: task syz-executor.5:15505 blocked for more than 143 seconds. Not tainted 5.10.96 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:29448 pid:15505 ppid: 285 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 tioclinux+0x48d/0x5a0 drivers/tty/vt/vt.c:3205 vt_ioctl+0x24df/0x2f20 drivers/tty/vt/vt_ioctl.c:862 tty_ioctl+0x862/0x1830 drivers/tty/tty_io.c:2742 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f624a5ebb19 RSP: 002b:00007f6247b1f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f624a6ff0e0 RCX: 00007f624a5ebb19 RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 RBP: 00007f624a645f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd72f5f2f R14: 00007f6247b1f300 R15: 0000000000022000 INFO: task syz-executor.2:15479 blocked for more than 143 seconds. Not tainted 5.10.96 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27352 pid:15479 ppid: 289 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 tioclinux+0x48d/0x5a0 drivers/tty/vt/vt.c:3205 vt_ioctl+0x24df/0x2f20 drivers/tty/vt/vt_ioctl.c:862 tty_ioctl+0x862/0x1830 drivers/tty/tty_io.c:2742 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f62a70a0b19 RSP: 002b:00007f62a4616188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f62a71b3f60 RCX: 00007f62a70a0b19 RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000005 RBP: 00007f62a70faf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc0d5e2ff R14: 00007f62a4616300 R15: 0000000000022000 INFO: task syz-executor.2:15488 blocked for more than 143 seconds. Not tainted 5.10.96 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27376 pid:15488 ppid: 289 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 tioclinux+0x48d/0x5a0 drivers/tty/vt/vt.c:3205 vt_ioctl+0x24df/0x2f20 drivers/tty/vt/vt_ioctl.c:862 tty_ioctl+0x862/0x1830 drivers/tty/tty_io.c:2742 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f62a70a0b19 RSP: 002b:00007f62a45d4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f62a71b40e0 RCX: 00007f62a70a0b19 RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000005 RBP: 00007f62a70faf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc0d5e2ff R14: 00007f62a45d4300 R15: 0000000000022000 Showing all locks held in the system: 2 locks held by systemd/1: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff88801b27b130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:952 [inline] #1: ffff88801b27b130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: do_tty_write drivers/tty/tty_io.c:975 [inline] #1: ffff88801b27b130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write.constprop.0+0x29d/0x8d0 drivers/tty/tty_io.c:1118 1 lock held by khungtaskd/22: #0: ffffffff84df6a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 1 lock held by systemd-journal/103: 1 lock held by in:imklog/178: #0: ffff888016d0d4f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:934 2 locks held by rs:main Q:Reg/179: #0: ffff88800b5caaf0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:934 #1: ffff88800f9ea438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 2 locks held by syz-executor.0/15465: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888007c690b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 2 locks held by syz-executor.5/15505: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888007c690b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 2 locks held by syz-executor.7/15455: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888007c690b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 2 locks held by syz-executor.2/15479: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888007c690b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 2 locks held by syz-executor.2/15488: #0: ffff88801b27b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888007c690b8 (&buf->lock){+.+.}-{3:3}, at: paste_selection+0x123/0x490 drivers/tty/vt/selection.c:390 =============================================