UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop9): udf_load_vrs: No anchor found INFO: task syz-executor734:8314 blocked for more than 140 seconds. UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 Not tainted 4.19.202-syzkaller #0 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 syz-executor734 D27672 8314 8122 0x00000004 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found Call Trace: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: Scanning with blocksize 1024 failed schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 __get_super.part.0+0x209/0x2e0 fs/super.c:698 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 __get_super include/linux/spinlock.h:329 [inline] get_super+0x2b/0x50 fs/super.c:727 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 fsync_bdev+0x14/0xc0 fs/block_dev.c:483 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed invalidate_partition+0x74/0xb0 block/genhd.c:1592 drop_partitions.isra.0+0x9c/0x190 block/partition-generic.c:454 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found rescan_partitions+0xab/0x970 block/partition-generic.c:527 __blkdev_reread_part+0x189/0x220 block/ioctl.c:173 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found blkdev_reread_part+0x23/0x40 block/ioctl.c:193 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 loop_reread_partitions drivers/block/loop.c:645 [inline] loop_set_status+0x103e/0x1800 drivers/block/loop.c:1330 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: warning (device loop7): udf_load_vrs: No anchor found loop_set_status64+0xb2/0x110 drivers/block/loop.c:1450 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 lo_ioctl+0x41f/0x20e0 drivers/block/loop.c:1593 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: warning (device loop9): udf_load_vrs: No anchor found block_ioctl+0xe9/0x130 fs/block_dev.c:1906 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 UDF-fs: Scanning with blocksize 512 failed UDF-fs: Scanning with blocksize 1024 failed do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 entry_SYSCALL_64_after_hwframe+0x49/0xbe UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 RIP: 0033:0x440567 Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 3f 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found RSP: 002b:00007ffd8cabc1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 UDF-fs: Scanning with blocksize 2048 failed RAX: ffffffffffffffda RBX: 00007ffd8cabc1d0 RCX: 0000000000440567 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 1024 failed RDX: 00007ffd8cabc2e0 RSI: 0000000000004c04 RDI: 0000000000000004 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 RBP: 0000000000000004 R08: 00007ffd8cabc040 R09: 00007ffdfbad8001 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 R13: 00000000020362c0 R14: 00007ffd8cabc2e0 R15: 0000000000000005 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: warning (device loop7): udf_load_vrs: No anchor found INFO: task systemd-udevd:8338 blocked for more than 140 seconds. UDF-fs: Scanning with blocksize 2048 failed Not tainted 4.19.202-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28648 8338 4697 0x00000100 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 blkdev_get+0xb0/0x940 fs/block_dev.c:1627 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 blkdev_open+0x202/0x290 fs/block_dev.c:1788 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 do_dentry_open+0x4aa/0x1160 fs/open.c:796 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 1024 failed do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 2048 failed do_filp_open+0x18c/0x3f0 fs/namei.c:3567 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 do_sys_open+0x3b3/0x520 fs/open.c:1085 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb0e95a0840 Code: Bad RIP value. RSP: 002b:00007fffa5db63c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 RAX: ffffffffffffffda RBX: 000055df17438140 RCX: 00007fb0e95a0840 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 RDX: 000055df16805fe3 RSI: 00000000000a0800 RDI: 000055df174330f0 RBP: 00007fffa5db6540 R08: 000055df16805670 R09: 0000000000000010 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found R10: 000055df16805d0c R11: 0000000000000246 R12: 00007fffa5db6490 UDF-fs: Scanning with blocksize 512 failed R13: 000055df17443460 R14: 0000000000000003 R15: 000000000000000e Showing all locks held in the system: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 1 lock held by khungtaskd/1570: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 #0: 000000005e66827a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found 1 lock held by in:imklog/7853: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 #0: 0000000016034d3f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop7): udf_load_vrs: No anchor found 2 locks held by syz-executor734/8314: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 #0: 0000000069f3bfad (&bdev->bd_mutex){+.+.}, at: blkdev_reread_part+0x1b/0x40 block/ioctl.c:192 UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 #1: 0000000062705e55 (&type->s_umount_key#47){.+.+}, at: __get_super.part.0+0x209/0x2e0 fs/super.c:698 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found 1 lock held by systemd-udevd/8324: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 #0: 0000000060f5aaf7 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 UDF-fs: Scanning with blocksize 2048 failed 1 lock held by syz-executor734/8326: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 1 lock held by systemd-udevd/8338: UDF-fs: warning (device loop7): udf_load_vrs: No anchor found #0: 0000000069f3bfad (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 2 locks held by syz-executor734/8743: UDF-fs: Scanning with blocksize 1024 failed #0: 0000000060f5aaf7 (&bdev->bd_mutex){+.+.}, at: blkdev_reread_part+0x1b/0x40 block/ioctl.c:192 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 #1: 000000003b04feec (&type->s_umount_key#47){.+.+}, at: __get_super.part.0+0x209/0x2e0 fs/super.c:698 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_load_vrs: No anchor found 2 locks held by syz-executor734/8752: UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) 4 locks held by syz-executor734/11396: UDF-fs: Scanning with blocksize 2048 failed #0: 00000000e971530d (loop_ctl_mutex){+.+.}, at: loop_set_status+0x94/0x1800 drivers/block/loop.c:1223 #1: 000000006d58f246 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline] #1: 000000006d58f246 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #2: 000000004b08c36a (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 #3: 000000005e66827a (rcu_read_lock){....}, at: lock_page_memcg+0x0/0x220 include/linux/page_counter.h:64 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 1 lock held by syz-executor734/11399: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found 1 lock held by syz-executor734/11404: ============================================= UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop9): udf_load_vrs: No anchor found NMI backtrace for cpu 0 UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.202-syzkaller #0 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+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 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: 8326 Comm: syz-executor734 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:253 [inline] RIP: 0010:debug_lockdep_rcu_enabled+0xae/0xe0 kernel/rcu/update.c:251 Code: fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 32 8b 93 84 08 00 00 31 c0 5b 85 d2 <0f> 94 c0 c3 31 c0 5b c3 48 c7 c7 44 d5 26 8b e8 ce b4 47 00 e9 68 RSP: 0018:ffff88809138f510 EFLAGS: 00000002 RAX: 0000000000000000 RBX: ffff8880a2cc8040 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffff8880a2cc88c4 RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 0000000002036300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fefac00c140 CR3: 00000000a2c60000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x2e7/0x3c0 kernel/locking/lockdep.c:3907 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] find_get_entry+0xa1/0x8a0 mm/filemap.c:1451 pagecache_get_page+0x56/0xd50 mm/filemap.c:1564 find_get_page_flags include/linux/pagemap.h:278 [inline] __find_get_block_slow fs/buffer.c:206 [inline] __find_get_block+0x591/0xde0 fs/buffer.c:1295 __getblk_slow+0x14a/0x9e0 fs/buffer.c:1040 __getblk_gfp fs/buffer.c:1321 [inline] __bread_gfp+0x218/0x300 fs/buffer.c:1366 sb_bread include/linux/buffer_head.h:309 [inline] udf_tread+0xe8/0x130 fs/udf/misc.c:44 udf_read_tagged+0x4e/0x530 fs/udf/misc.c:210 udf_check_anchor_block+0x1b4/0x610 fs/udf/super.c:1820 udf_scan_anchors+0x1b3/0x5f0 fs/udf/super.c:1860 udf_find_anchor fs/udf/super.c:1917 [inline] udf_load_vrs+0x633/0xbf0 fs/udf/super.c:1982 udf_fill_super+0x7d2/0x1820 fs/udf/super.c:2177 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x113c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4406d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd8cabc408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004406d9 RDX: 0000000020000180 RSI: 0000000020000080 RDI: 0000000020000100 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffd8cabc430 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8cabc42c R13: 00007ffd8cabc460 R14: 00007ffd8cabc440 R15: 0000000000000006 UDF-fs: Scanning with blocksize 512 failed