syzbot


INFO: task hung in __blkdev_get
Status: upstream: reported C repro on 2019/08/13 00:10
Reported-by: syzbot+daad98bf0e9fc3cdbb5c@syzkaller.appspotmail.com
First crash: 1017d, last: 17h46m

Fix bisection: failed (bisect log)
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in __blkdev_get C 1504 908d 1140d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 INFO: task hung in __blkdev_get syz 521 910d 1138d 0/2 public: reported syz repro on 2019/04/14 00:02
android-414 INFO: task hung in __blkdev_get 1859 908d 1139d 0/1 auto-closed as invalid on 2020/02/28 16:13
upstream INFO: task hung in __blkdev_get (3) 1 1133d 1133d 0/22 closed as invalid on 2019/05/08 13:05
upstream INFO: task hung in __blkdev_get (2) 11 1232d 1356d 0/22 closed as dup on 2018/09/08 15:48
linux-4.14 INFO: task hung in __blkdev_get C 700 1d03h 1141d 0/1 upstream: reported C repro on 2019/04/11 13:17
upstream INFO: task hung in __blkdev_get C 662 1503d 1629d 6/22 fixed on 2018/05/08 18:30
upstream INFO: task hung in __blkdev_get (4) 1 952d 952d 0/22 auto-closed as invalid on 2020/01/15 05:33
upstream INFO: task hung in __blkdev_get (5) 8 531d 745d 0/22 auto-closed as invalid on 2021/03/11 14:46

Sample crash report:
print_req_error: I/O error, dev loop3, sector 64
isofs_fill_super: bread failed, dev=loop3, iso_blknum=16, block=32
isofs_fill_super: bread failed, dev=loop3, iso_blknum=16, block=32
INFO: task syz-executor112:8024 blocked for more than 140 seconds.
      Not tainted 4.19.66 #40
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor112 D28216  8024   7812 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3576
 __mutex_lock_common kernel/locking/mutex.c:1002 [inline]
 __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
 __blkdev_get+0x19b/0x1660 fs/block_dev.c:1471
 blkdev_get+0x484/0x990 fs/block_dev.c:1625
 blkdev_get_by_path+0xaf/0x130 fs/block_dev.c:1703
 mount_bdev+0x5d/0x3c0 fs/super.c:1116
 isofs_mount+0x35/0x40 fs/isofs/inode.c:1570
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441a19
Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 57 41 52 4e 49 4e 47
RSP: 002b:00007ffca4599708 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441a19
RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 0000000020001e00
RBP: 000000000009dbed R08: 0000000000000000 R09: 00000000004027c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730
R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor112:8025 blocked for more than 140 seconds.
      Not tainted 4.19.66 #40
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor112 D28152  8025   7811 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline]
 rwsem_down_read_failed+0x21b/0x3c0 kernel/locking/rwsem-xadd.c:309
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 down_read+0x49/0xb0 kernel/locking/rwsem.c:26
 __get_super.part.0+0x203/0x2e0 fs/super.c:698
 __get_super include/linux/spinlock.h:329 [inline]
 get_super+0x2e/0x50 fs/super.c:727
 fsync_bdev+0x19/0xd0 fs/block_dev.c:483
 invalidate_partition+0x36/0x60 block/genhd.c:1580
 drop_partitions block/partition-generic.c:454 [inline]
 rescan_partitions+0xef/0xa20 block/partition-generic.c:527
 __blkdev_reread_part+0x1a2/0x230 block/ioctl.c:173
 blkdev_reread_part+0x27/0x40 block/ioctl.c:193
 loop_reread_partitions+0x1c/0x40 drivers/block/loop.c:634
 loop_set_status+0xe54/0x1370 drivers/block/loop.c:1297
 loop_set_status64+0xc2/0x120 drivers/block/loop.c:1417
 lo_ioctl+0x432/0x20e0 drivers/block/loop.c:1560
 __blkdev_driver_ioctl block/ioctl.c:303 [inline]
 blkdev_ioctl+0xc38/0x1ab6 block/ioctl.c:601
 block_ioctl+0xee/0x130 fs/block_dev.c:1891
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441927
Code: 65 61 64 6d 69 6e 69 6d 75 6d 6d 65 73 73 61 67 65 73 00 61 63 74 69 6f 6e 65 78 65 63 6f 6e 6c 79 77 68 65 6e 70 72 65 76 69 <6f> 75 73 69 73 73 75 73 70 65 6e 64 65 64 00 00 00 64 65 62 75 67
RSP: 002b:00007ffca45994c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441927
RDX: 00007ffca4599560 RSI: 0000000000004c04 RDI: 0000000000000004
RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000402730
R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor112:8030 blocked for more than 140 seconds.
      Not tainted 4.19.66 #40
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor112 D28120  8030   7813 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 bd_prepare_to_claim fs/block_dev.c:1068 [inline]
 bd_start_claiming fs/block_dev.c:1159 [inline]
 blkdev_get+0x414/0x990 fs/block_dev.c:1618
 blkdev_get_by_path+0xaf/0x130 fs/block_dev.c:1703
 mount_bdev+0x5d/0x3c0 fs/super.c:1116
 isofs_mount+0x35/0x40 fs/isofs/inode.c:1570
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441a19
Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 57 41 52 4e 49 4e 47
RSP: 002b:00007ffca4599708 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441a19
RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 0000000020001e00
RBP: 000000000009dbef R08: 0000000000000000 R09: 00000000004027c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730
R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor112:8035 blocked for more than 140 seconds.
      Not tainted 4.19.66 #40
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor112 D28216  8035   7810 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 bd_prepare_to_claim fs/block_dev.c:1068 [inline]
 bd_start_claiming fs/block_dev.c:1159 [inline]
 blkdev_get+0x414/0x990 fs/block_dev.c:1618
 blkdev_get_by_path+0xaf/0x130 fs/block_dev.c:1703
 mount_bdev+0x5d/0x3c0 fs/super.c:1116
 isofs_mount+0x35/0x40 fs/isofs/inode.c:1570
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441a19
Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 57 41 52 4e 49 4e 47
RSP: 002b:00007ffca4599708 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441a19
RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 0000000020001e00
RBP: 000000000009dc37 R08: 0000000000000000 R09: 00000000004027c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730
R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor112:8038 blocked for more than 140 seconds.
      Not tainted 4.19.66 #40
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor112 D28216  8038   7808 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2826 [inline]
 __schedule+0x866/0x1dc0 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 bd_prepare_to_claim fs/block_dev.c:1068 [inline]
 bd_start_claiming fs/block_dev.c:1159 [inline]
 blkdev_get+0x414/0x990 fs/block_dev.c:1618
 blkdev_get_by_path+0xaf/0x130 fs/block_dev.c:1703
 mount_bdev+0x5d/0x3c0 fs/super.c:1116
 isofs_mount+0x35/0x40 fs/isofs/inode.c:1570
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441a19
Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 57 41 52 4e 49 4e 47
RSP: 002b:00007ffca4599708 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441a19
RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 0000000020001e00
RBP: 000000000009dcd0 R08: 0000000000000000 R09: 00000000004027c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730
R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000

Showing all locks held in the system:
1 lock held by khungtaskd/1042:
 #0: 0000000001be9a56 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4435
1 lock held by rsyslogd/7658:
 #0: 00000000d342bd00 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:767
2 locks held by getty/7780:
 #0: 0000000076ec786f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 0000000010fd9cce (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7781:
 #0: 00000000358c9821 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 0000000016dd99b7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7782:
 #0: 000000008452a2bd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 0000000052ebfbd0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7783:
 #0: 00000000d3361dd8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 000000000c7295e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7784:
 #0: 00000000a0e0a95f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 0000000029e7dc30 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7785:
 #0: 00000000e539d663 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 00000000ade1580e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
2 locks held by getty/7786:
 #0: 000000005052c9b1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:363
 #1: 000000005cff0744 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 drivers/tty/n_tty.c:2154
1 lock held by syz-executor112/8011:
1 lock held by syz-executor112/8024:
 #0: 000000005eb98044 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x19b/0x1660 fs/block_dev.c:1471
2 locks held by syz-executor112/8025:
 #0: 000000005eb98044 (&bdev->bd_mutex){+.+.}, at: blkdev_reread_part+0x1f/0x40 block/ioctl.c:192
 #1: 00000000cfd29f02 (&type->s_umount_key#52){++++}, at: __get_super.part.0+0x203/0x2e0 fs/super.c:698

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1042 Comm: khungtaskd Not tainted 4.19.66 #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x9df/0xee0 kernel/hung_task.c:287
 kthread+0x354/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8011 Comm: syz-executor112 Not tainted 4.19.66 #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:compound_head include/linux/page-flags.h:144 [inline]
RIP: 0010:trylock_page include/linux/pagemap.h:472 [inline]
RIP: 0010:lock_page include/linux/pagemap.h:482 [inline]
RIP: 0010:pagecache_get_page+0x5c0/0xa40 mm/filemap.c:1576
Code: f8 48 c1 e8 03 42 80 3c 30 00 0f 85 32 04 00 00 49 8b 44 24 08 31 ff 48 89 c6 48 89 45 b0 83 e6 01 48 89 75 c0 e8 c0 f9 e5 ff <48> 8b 75 c0 4c 89 e0 48 85 f6 0f 85 ef 02 00 00 48 89 45 c0 e8 07
RSP: 0018:ffff88809bed7920 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffffff81856710
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffff88809bed7970 R08: ffff8880982505c0 R09: 0000000000000001
R10: ffffed1015d24732 R11: ffff8880ae923993 R12: ffffea00021d0400
R13: 0000000000620848 R14: dffffc0000000000 R15: ffffea00021d0408
FS:  000000000129a940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000009f758000 CR4: 00000000001406e0
Call Trace:
 find_or_create_page include/linux/pagemap.h:322 [inline]
 grow_dev_page fs/buffer.c:948 [inline]
 grow_buffers fs/buffer.c:1017 [inline]
 __getblk_slow fs/buffer.c:1044 [inline]
 __getblk_gfp+0x284/0x970 fs/buffer.c:1321
 __bread_gfp+0x2f/0x300 fs/buffer.c:1355
 sb_bread include/linux/buffer_head.h:307 [inline]
 isofs_fill_super+0xb3b/0x29fc fs/isofs/inode.c:678
 mount_bdev+0x304/0x3c0 fs/super.c:1158
 isofs_mount+0x35/0x40 fs/isofs/inode.c:1570
 mount_fs+0xa8/0x31f fs/super.c:1261
 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x53e/0x2bc0 fs/namespace.c:2799
 ksys_mount+0xdb/0x150 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441a19
Code: bd 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffca4599708 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441a19
RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 0000000020001e00
RBP: 000000000009db46 R08: 0000000000000000 R09: 00000000004027c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402730
R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000

Crashes (94):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/08/12 23:09 linux-4.19.y 893af1c79e42 8620c2c2 .config log report syz C
ci2-linux-4-19 2021/07/08 04:08 linux-4.19.y 9f84340f012e 95793bce .config log report syz INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/25 23:21 linux-4.19.y 3f8a27f9e27b 3037caa9 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/25 14:05 linux-4.19.y 3f8a27f9e27b 3037caa9 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/24 22:46 linux-4.19.y 3f8a27f9e27b 647c0e27 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/20 16:20 linux-4.19.y 3f8a27f9e27b bd37ad7e .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/18 14:04 linux-4.19.y 3f8a27f9e27b 50c53f39 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/12 10:00 linux-4.19.y 3f8a27f9e27b beb0b407 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/07 02:43 linux-4.19.y 3f8a27f9e27b e60b1103 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/04 19:16 linux-4.19.y 3f8a27f9e27b dc9e5259 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/05/02 22:08 linux-4.19.y 3f8a27f9e27b 2df221f6 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/04/29 20:23 linux-4.19.y 3f8a27f9e27b 44a5ca63 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/04/13 08:04 linux-4.19.y 3f8a27f9e27b faabdb86 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/04/09 07:39 linux-4.19.y 3f8a27f9e27b e22c3da3 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/04/07 23:47 linux-4.19.y 3f8a27f9e27b c6ff3e05 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/30 14:05 linux-4.19.y 3f8a27f9e27b 42718dd6 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/23 11:23 linux-4.19.y 3f8a27f9e27b 5ff41e94 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/23 03:00 linux-4.19.y 3f8a27f9e27b 5ff41e94 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/19 03:53 linux-4.19.y 3f8a27f9e27b e2d91b1d .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/17 03:14 linux-4.19.y 3f8a27f9e27b dfa9a8ed .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/03/16 15:39 linux-4.19.y 3f8a27f9e27b 46cc3b21 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/02/25 20:05 linux-4.19.y 3f8a27f9e27b 45a13a73 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/01/22 20:53 linux-4.19.y 3f8a27f9e27b 214351e1 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2022/01/21 15:16 linux-4.19.y 3f8a27f9e27b ab3d9f17 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/27 06:10 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/15 23:21 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/12 14:51 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/09 13:35 linux-4.19.y 3f8a27f9e27b 59bcaf9a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/09 00:28 linux-4.19.y 3f8a27f9e27b 8ab17e57 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/08 21:47 linux-4.19.y 3f8a27f9e27b d29682f1 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/07 20:27 linux-4.19.y 3f8a27f9e27b 4c1be0be .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/10/27 15:52 linux-4.19.y 3f8a27f9e27b be531bb4 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/10/03 00:09 linux-4.19.y c2276d585654 db0f5787 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/09/22 02:20 linux-4.19.y b172b44fcb17 169724fe .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/09/17 02:29 linux-4.19.y b172b44fcb17 5b989942 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/28 00:36 linux-4.19.y 4938296e03bd 17d6ab15 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/11 13:19 linux-4.19.y fcfbdfe9626e 8f5a7b8c .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/10 07:58 linux-4.19.y 9f84340f012e 8f5a7b8c .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/02 06:41 linux-4.19.y 9f84340f012e 658ebc66 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/06/16 13:01 linux-4.19.y eb575cd5d7f6 c06f97ad .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/17 02:09 linux-4.19.y 3c8c23092588 f54a5c09 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/14 04:15 linux-4.19.y 3c8c23092588 8bdd5343 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/11 07:53 linux-4.19.y 3c8c23092588 ca873091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/30 17:12 linux-4.19.y 97a8651cadce 77e2b668 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/28 09:59 linux-4.19.y 2965db2e004c 77e2b668 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/15 16:52 linux-4.19.y 0f1b4cb77d7f c59079a6 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 22:48 linux-4.19.y 0f1b4cb77d7f fcdb12ba .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 09:20 linux-4.19.y 0f1b4cb77d7f 3134b37f .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 08:13 linux-4.19.y 0f1b4cb77d7f a184b83e .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/12 08:41 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/12 02:56 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/11 19:25 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/09 04:30 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/08 09:59 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/08 07:24 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/07 09:37 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/01/21 19:23 linux-4.19.y 43d555d83c3f d4f4eca5 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/01/01 21:41 linux-4.19.y 3207316b3bee 79264ae3 .config log report info
ci2-linux-4-19 2020/11/01 19:00 linux-4.19.y f5d8eef067ac 8bc4594f .config log report info
ci2-linux-4-19 2020/10/13 22:45 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/08/31 07:55 linux-4.19.y f6d5cb9e2c06 d5a3ae1f .config log report
ci2-linux-4-19 2020/08/30 23:27 linux-4.19.y f6d5cb9e2c06 d5a3ae1f .config log report
ci2-linux-4-19 2020/08/25 22:09 linux-4.19.y d18b78abc0c6 344da168 .config log report
ci2-linux-4-19 2020/07/26 16:43 linux-4.19.y 20b3a3dfdf6c 51265195 .config log report
ci2-linux-4-19 2020/06/16 15:30 linux-4.19.y 3fc898571b97 4ea9d964 .config log report
ci2-linux-4-19 2020/05/11 06:58 linux-4.19.y 033c4ea49a4b f8f57555 .config log report
ci2-linux-4-19 2020/05/01 04:12 linux-4.19.y 765675379b62 3698959a .config log report
ci2-linux-4-19 2020/04/27 11:55 linux-4.19.y 7edd66cf6167 0ce7569e .config log report
ci2-linux-4-19 2020/04/12 16:40 linux-4.19.y dda0e2920330 36b0b050 .config log report
ci2-linux-4-19 2020/04/08 05:13 linux-4.19.y dda0e2920330 db9bcd4b .config log report
ci2-linux-4-19 2020/03/28 10:22 linux-4.19.y 54b4fa6d3955 831e9a81 .config log report
ci2-linux-4-19 2019/11/26 00:19 linux-4.19.y 14260788bbb9 598ca6c8 .config log report