INFO: task syz-executor.0:14301 blocked for more than 143 seconds. Not tainted 5.16.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:25328 pid:14301 ppid: 25407 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 blk_mq_freeze_queue_wait+0x105/0x190 block/blk-mq.c:178 loop_set_status+0x22f/0xa50 drivers/block/loop.c:1264 lo_ioctl+0xbc9/0x1f40 blkdev_ioctl+0x3ac/0x790 block/ioctl.c:609 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdb493cfae9 RSP: 002b:00007fdb46945188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdb494e2f60 RCX: 00007fdb493cfae9 RDX: 0000000020000100 RSI: 0000000000004c02 RDI: 0000000000000003 RBP: 00007fdb49429f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd7b25e9f R14: 00007fdb46945300 R15: 0000000000022000 INFO: task syz-executor.0:14336 blocked for more than 143 seconds. Not tainted 5.16.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:26768 pid:14336 ppid: 25407 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385 __mutex_lock_common+0xd1f/0x2590 kernel/locking/mutex.c:680 __mutex_lock kernel/locking/mutex.c:740 [inline] mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:792 blkdev_get_by_dev+0xfc/0xb80 block/bdev.c:819 blkdev_open+0x137/0x2f0 block/fops.c:501 do_dentry_open+0x78b/0x1020 fs/open.c:822 do_open fs/namei.c:3426 [inline] path_openat+0x2896/0x3660 fs/namei.c:3559 do_filp_open+0x277/0x4f0 fs/namei.c:3586 do_sys_openat2+0x13b/0x500 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_openat fs/open.c:1244 [inline] __se_sys_openat fs/open.c:1239 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1239 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdb49382a04 RSP: 002b:00007fdb46902cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fdb49382a04 RDX: 0000000000000000 RSI: 00007fdb46902d60 RDI: 00000000ffffff9c RBP: 00007fdb46902d60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffdd7b25e9f R14: 00007fdb46903300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8cd1db00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by systemd-udevd/2970: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0xfc/0xb80 block/bdev.c:819 #1: ffff88801b1a3360 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_open+0x68/0x100 drivers/block/loop.c:1733 1 lock held by in:imklog/6205: #0: ffff88801ad699f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 fs/file.c:990 2 locks held by agetty/6231: #0: ffff888023e27098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc900029ec2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113 2 locks held by agetty/13413: #0: ffff888083838098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90009e9b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113 1 lock held by syz-executor.4/16157: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16164: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16186: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16202: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16213: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16227: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/16246: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19178: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19224: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19245: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19297: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19366: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19394: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19436: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19449: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19496: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19508: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19554: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/19578: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20177: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20209: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20236: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20269: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20299: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20337: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20361: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20491: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20529: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20558: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20601: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20621: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20633: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20822: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20854: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20862: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20873: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20913: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/20986: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21000: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21012: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21051: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21065: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21084: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21148: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21170: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21200: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21245: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21256: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21267: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21318: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21334: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21346: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21368: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21394: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21422: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21480: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21496: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21504: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21540: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21555: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21562: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21586: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21594: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21669: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21702: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21712: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21756: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21770: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21786: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21826: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21841: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21844: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21858: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21885: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21913: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21928: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21932: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21960: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/21980: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22015: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22036: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22048: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22117: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22124: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22143: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22199: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22230: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22242: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22288: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22302: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22317: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22323: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22331: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22356: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22404: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22413: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22417: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22427: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22439: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22442: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22503: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22510: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22519: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22549: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22562: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22590: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22610: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22631: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22638: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22649: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22688: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22718: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22724: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22790: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22814: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22831: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22842: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22903: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22936: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22959: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/22995: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23000: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23017: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23022: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23048: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23080: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23117: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23133: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23163: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23211: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23229: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23465: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23481: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23497: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23541: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23573: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23581: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23607: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23618: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23636: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23709: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23722: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23788: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23822: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23851: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23915: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23933: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23956: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23969: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/23981: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24005: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24032: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24060: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24079: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24084: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24197: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24222: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24249: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24256: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24262: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24275: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24290: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24293: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24398: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24418: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24491: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24498: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24515: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24518: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24530: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24534: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24572: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24580: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24646: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24658: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24680: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24704: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24726: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24731: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24745: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24748: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24758: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24778: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24803: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24806: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24824: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24831: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24866: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/24871: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25398: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25419: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25434: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25470: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25483: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25520: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25547: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25571: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25582: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25598: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25609: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25643: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25672: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25710: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25731: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25747: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/25760: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26477: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26512: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.0/26532: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26563: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26600: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26649: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26689: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26724: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26744: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26776: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26789: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26814: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26826: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26888: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26911: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26927: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26950: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/26999: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.0/29599: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.0/29605: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/31851: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/31934: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/32605: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.4/13234: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfa/0x7b0 block/bdev.c:914 1 lock held by syz-executor.0/14301: #0: ffff88801b1a3360 (&lo->lo_mutex){+.+.}-{3:3}, at: loop_set_status+0x2a/0xa50 drivers/block/loop.c:1248 1 lock held by syz-executor.0/14336: #0: ffff88801b1a7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0xfc/0xb80 block/bdev.c:819 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xc82/0xcd0 kernel/hung_task.c:295 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2965 Comm: systemd-journal Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__seccomp_filter+0x1994/0x1b90 kernel/seccomp.c:1283 Code: ff ff ff ff 48 c7 84 24 a0 00 00 00 0e 36 e0 45 43 c7 04 2f 00 00 00 00 4b c7 44 2f 19 00 00 00 00 4b c7 44 2f 21 00 00 00 00 <43> c7 44 2f 2e 00 00 00 00 66 43 c7 44 2f 32 00 00 65 48 8b 04 25 RSP: 0018:ffffc90001a8fc40 EFLAGS: 00000246 RAX: ffffffff8184d264 RBX: ffffc90001a8fe10 RCX: ffff88807b8b1d00 RDX: 0000000000000000 RSI: 000000007fff0000 RDI: 000000007fff0000 RBP: ffffc90001a8fed8 R08: 0000000000000005 R09: ffffffff8184d09d R10: 0000000000000006 R11: ffff88807b8b1d00 R12: 000000007fff0000 R13: 1ffff92000351f9c R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f39657638c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39617ad000 CR3: 000000001a6ef000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: syscall_trace_enter kernel/entry/common.c:68 [inline] __syscall_enter_from_user_work kernel/entry/common.c:90 [inline] syscall_enter_from_user_mode+0xf0/0x1b0 kernel/entry/common.c:108 do_syscall_64+0x25/0xd0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f3964cf285d Code: bb 20 00 00 75 10 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 67 f6 ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffce8e6ba80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffce8e6bd90 RCX: 00007f3964cf285d RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000557e33dd6cc0 RBP: 000000000000000d R08: 00000000000001c0 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000293 R12: 00000000ffffffff R13: 0000557e33dc9040 R14: 00007ffce8e6bd50 R15: 0000557e33dd6ae0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: ff 48 c7 decl -0x39(%rax) 3: 84 24 a0 test %ah,(%rax,%riz,4) 6: 00 00 add %al,(%rax) 8: 00 0e add %cl,(%rsi) a: 36 e0 45 ss loopne 0x52 d: 43 c7 04 2f 00 00 00 movl $0x0,(%r15,%r13,1) 14: 00 15: 4b c7 44 2f 19 00 00 movq $0x0,0x19(%r15,%r13,1) 1c: 00 00 1e: 4b c7 44 2f 21 00 00 movq $0x0,0x21(%r15,%r13,1) 25: 00 00 * 27: 43 c7 44 2f 2e 00 00 movl $0x0,0x2e(%r15,%r13,1) <-- trapping instruction 2e: 00 00 30: 66 43 c7 44 2f 32 00 movw $0x0,0x32(%r15,%r13,1) 37: 00 38: 65 gs 39: 48 rex.W 3a: 8b .byte 0x8b 3b: 04 25 add $0x25,%al