print_req_error: I/O error, dev loop9, sector 512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 print_req_error: I/O error, dev loop11, sector 64 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found INFO: task syz-executor618:7124 blocked for more than 140 seconds. kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env UDF-fs: Scanning with blocksize 512 failed UDF-fs: Scanning with blocksize 512 failed print_req_error: I/O error, dev loop7, sector 64 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' Not tainted 4.14.114 #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. print_req_error: I/O error, dev loop9, sector 64 print_req_error: I/O error, dev loop11, sector 512 print_req_error: I/O error, dev loop7, sector 512 syz-executor618 D UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 print_req_error: I/O error, dev loop9, sector 512 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env 29256 7124 7081 0x00000004 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: error (device loop11): udf_read_tagged: read failed, block=512, location=512 Call Trace: kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_load_vrs: No anchor found context_switch kernel/sched/core.c:2807 [inline] __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383 UDF-fs: Scanning with blocksize 1024 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: Scanning with blocksize 1024 failed UDF-fs: Scanning with blocksize 1024 failed kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' schedule+0x92/0x1c0 kernel/sched/core.c:3427 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105 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 loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:56 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 2048 failed grab_super+0x5e/0x140 fs/super.c:373 UDF-fs: error (device loop11): 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 2048 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop11): 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 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found sget_userns+0x2b3/0xc30 fs/super.c:504 UDF-fs: Scanning with blocksize 4096 failed sget+0xd6/0x120 fs/super.c:572 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found 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: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) mount_bdev+0xd5/0x370 fs/super.c:1107 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 4096 failed UDF-fs: warning (device loop7): 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 loop11): udf_read_tagged: read failed, block=256, location=256 udf_mount+0x35/0x40 fs/udf/super.c:132 mount_fs+0x9d/0x2a7 fs/super.c:1237 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 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 512 failed SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): 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 entry_SYSCALL_64_after_hwframe+0x42/0xb7 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 RIP: 0033:0x44aeb9 UDF-fs: error (device loop11): 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 1024 failed RSP: 002b:00007f00edb17ce8 EFLAGS: 00000246 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044aeb9 RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 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 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 2048 failed R13: 00007ffd2d25f55f R14: 00007f00edb189c0 R15: 0000000000000001 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found 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 INFO: task syz-executor618:7129 blocked for more than 140 seconds. UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 Not tainted 4.14.114 #4 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found syz-executor618 D29424 7129 7079 0x00000004 Call Trace: UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' context_switch kernel/sched/core.c:2807 [inline] __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' schedule+0x92/0x1c0 kernel/sched/core.c:3427 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env UDF-fs: Scanning with blocksize 512 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: warning (device loop11): udf_load_vrs: No anchor found kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' 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 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env 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: error (device loop11): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: warning (device loop7): udf_load_vrs: No anchor found call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:56 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 grab_super+0x5e/0x140 fs/super.c:373 sget_userns+0x2b3/0xc30 fs/super.c:504 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop11): 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 loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env UDF-fs: warning (device loop11): udf_load_vrs: No anchor found sget+0xd6/0x120 fs/super.c:572 mount_bdev+0xd5/0x370 fs/super.c:1107 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 udf_mount+0x35/0x40 fs/udf/super.c:132 mount_fs+0x9d/0x2a7 fs/super.c:1237 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 4096 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=512, location=512 UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) 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 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 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 loop11): 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: Scanning with blocksize 512 failed entry_SYSCALL_64_after_hwframe+0x42/0xb7 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 loop11): 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 loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed RIP: 0033:0x44aeb9 UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 RSP: 002b:00007f00edaf6ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: error (device loop11): 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 loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed RAX: ffffffffffffffda RBX: 00000000006dcc58 RCX: 000000000044aeb9 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 2048 failed RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found RBP: 00000000006dcc50 R08: 0000000000000000 R09: 0000000000000000 UDF-fs: error (device loop11): 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: Scanning with blocksize 1024 failed R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc5c UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found R13: 00007ffd2d25f55f R14: 00007f00edaf79c0 R15: 0000000000000001 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed INFO: task syz-executor618:7163 blocked for more than 140 seconds. Not tainted 4.14.114 #4 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 4096 failed 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: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) syz-executor618 D29744 7163 7080 0x00000004 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_load_vrs: No anchor found Call Trace: kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 4096 failed context_switch kernel/sched/core.c:2807 [inline] __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383 UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env schedule+0x92/0x1c0 kernel/sched/core.c:3427 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' 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 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 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 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: warning (device loop7): udf_load_vrs: No anchor found call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 512 failed __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:56 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 grab_super+0x5e/0x140 fs/super.c:373 kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env 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 loop9): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' UDF-fs: warning (device loop11): udf_load_vrs: No anchor found sget_userns+0x2b3/0xc30 fs/super.c:504 UDF-fs: Scanning with blocksize 1024 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env UDF-fs: warning (device loop9): udf_load_vrs: No anchor found kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 512 failed kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: warning (device loop7): udf_load_vrs: No anchor found sget+0xd6/0x120 fs/super.c:572 UDF-fs: Scanning with blocksize 1024 failed kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env mount_bdev+0xd5/0x370 fs/super.c:1107 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' udf_mount+0x35/0x40 fs/udf/super.c:132 mount_fs+0x9d/0x2a7 fs/super.c:1237 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env 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 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' 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 1024 failed UDF-fs: warning (device loop11): udf_load_vrs: No anchor found SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 UDF-fs: Scanning with blocksize 2048 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: Scanning with blocksize 2048 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 loop11): 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: error (device loop11): 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: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed entry_SYSCALL_64_after_hwframe+0x42/0xb7 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) RIP: 0033:0x44aeb9 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 RSP: 002b:00007f00edb17ce8 EFLAGS: 00000246 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 ORIG_RAX: 00000000000000a5 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044aeb9 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 4096 failed RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) 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: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 R13: 00007ffd2d25f55f R14: 00007f00edb189c0 R15: 0000000000000001 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found Showing all locks held in the system: UDF-fs: warning (device loop9): udf_load_vrs: No anchor found 1 lock held by khungtaskd/1008: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4541 1 lock held by rsyslogd/6931: UDF-fs: Scanning with blocksize 1024 failed #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xab/0xd0 fs/file.c:769 UDF-fs: Scanning with blocksize 512 failed 2 locks held by getty/7053: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 2 locks held by getty/7054: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/7055: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 2 locks held by getty/7056: #0: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock UDF-fs: warning (device loop7): udf_load_vrs: No anchor found ){+.+.} UDF-fs: warning (device loop11): udf_load_vrs: No anchor found , at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/7057: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: ( UDF-fs: warning (device loop9): udf_load_vrs: No anchor found &ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/7058: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 UDF-fs: Scanning with blocksize 2048 failed #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by getty/7059: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 UDF-fs: Scanning with blocksize 1024 failed #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156 2 locks held by syz-executor618/7124: #0: (&bdev->bd_fsfreeze_mutex){+.+.} UDF-fs: Scanning with blocksize 1024 failed , at: [] mount_bdev+0x76/0x370 fs/super.c:1101 #1: UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 (&type->s_umount_key#52){+.+.}, at: [] grab_super+0x5e/0x140 fs/super.c:373 2 locks held by syz-executor618/7129: #0: (&bdev->bd_fsfreeze_mutex){+.+.} UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 , at: [] mount_bdev+0x76/0x370 fs/super.c:1101 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 #1: (&type->s_umount_key#52){+.+.}, at: [] grab_super+0x5e/0x140 fs/super.c:373 2 locks held by syz-executor618/7163: #0: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 (&bdev->bd_fsfreeze_mutex){+.+.}, at: [] mount_bdev+0x76/0x370 fs/super.c:1101 #1: UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 (&type->s_umount_key#52){+.+.}, at: [] grab_super+0x5e/0x140 fs/super.c:373 ============================================= UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop11): 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 loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop11): 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: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) UDF-fs: Scanning with blocksize 4096 failed kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env 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: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env UDF-fs: Scanning with blocksize 512 failed kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' 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 loop11): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: warning (device loop9): udf_load_vrs: No anchor found kobject: 'loop3' (ffff8880a4a76a60): kobject_uevent_env UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a76a60): fill_kobj_path: path = '/devices/virtual/block/loop3' print_req_error: 219 callbacks suppressed print_req_error: I/O error, dev loop9, sector 1024 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 print_req_error: I/O error, dev loop9, sector 2048 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' 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 print_req_error: I/O error, dev loop11, sector 1024 UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 2048 failed kobject: 'loop5' (ffff8880a4b273e0): kobject_uevent_env print_req_error: I/O error, dev loop7, sector 64 print_req_error: I/O error, dev loop7, sector 1024 UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 kobject: 'loop5' (ffff8880a4b273e0): fill_kobj_path: path = '/devices/virtual/block/loop5' print_req_error: I/O error, dev loop9, sector 64 print_req_error: I/O error, dev loop11, sector 2048 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 kobject: 'loop4' (ffff8880a4aa7360): kobject_uevent_env print_req_error: I/O error, dev loop7, sector 2048 kobject: 'loop4' (ffff8880a4aa7360): fill_kobj_path: path = '/devices/virtual/block/loop4' UDF-fs: warning (device loop11): udf_load_vrs: No anchor found print_req_error: I/O error, dev loop9, sector 2048 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 print_req_error: I/O error, dev loop9, sector 4096 UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_fill_super: No partition found (1) UDF-fs: error (device loop7): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop9): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop9): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop7): udf_load_vrs: No anchor found UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) UDF-fs: error (device loop9): udf_read_tagged: read failed, block=256, location=256 NMI backtrace for cpu 0 CPU: 0 PID: 1008 Comm: khungtaskd Not tainted 4.14.114 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101 UDF-fs: Scanning with blocksize 4096 failed nmi_trigger_cpumask_backtrace+0x141/0x189 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:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5e7/0xb90 kernel/hung_task.c:274 kthread+0x31c/0x430 kernel/kthread.c:232 UDF-fs: warning (device loop7): udf_fill_super: No partition found (1) ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Sending NMI from CPU 0 to CPUs 1: UDF-fs: error (device loop7): udf_read_tagged: read failed, block=256, location=256 NMI backtrace for cpu 1 CPU: 1 PID: 12000 Comm: syz-executor618 Not tainted 4.14.114 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880989d2080 task.stack: ffff88809ea98000 RIP: 0010:pvclock_clocksource_read+0x17/0x4a0 arch/x86/kernel/pvclock.c:79 RSP: 0018:ffff8880aef07e70 EFLAGS: 00000802 RAX: 1ffff11043fff008 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff869d1e40 RDI: ffff88821fff8040 RBP: ffff8880aef07e78 R08: ffff8880989d2080 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8880989d2080 R12: 000000ea4fce2fd6 R13: fffffbfff0ee296c R14: ffff8880aef25bb0 R15: 000000000001db00 FS: 00007f00edb18700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000094ee6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_clock_read+0x23/0x40 arch/x86/kernel/kvmclock.c:88 kvm_clock_get_cycles+0x9/0x10 arch/x86/kernel/kvmclock.c:95 tk_clock_read kernel/time/timekeeping.c:144 [inline] timekeeping_get_delta kernel/time/timekeeping.c:238 [inline] timekeeping_get_ns kernel/time/timekeeping.c:344 [inline] ktime_get_update_offsets_now+0x163/0x3f0 kernel/time/timekeeping.c:2233 hrtimer_update_base kernel/time/hrtimer.c:505 [inline] hrtimer_interrupt+0x131/0x5d0 kernel/time/hrtimer.c:1306 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] smp_apic_timer_interrupt+0x12c/0x600 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:787 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1679 [inline] RIP: 0010:vprintk_emit kernel/printk/printk.c:1916 [inline] RIP: 0010:vprintk_emit+0x524/0x600 kernel/printk/printk.c:1882 RSP: 0018:ffff88809ea9f640 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: ffff8880989d2080 RBX: 1ffffffff0ee296d RCX: 1ffff1101313a524 RDX: 0000000000000000 RSI: ffff8880989d2900 RDI: 0000000000000297 RBP: ffff88809ea9f680 R08: ffff8880989d2080 R09: ffff8880989d2920 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000053 R13: 0000000000000297 R14: ffff8880a86ea4c0 R15: 0000000000000000 vprintk_default+0x28/0x30 kernel/printk/printk.c:1957 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1990 _udf_err+0xc9/0xe5 fs/udf/super.c:2308 udf_read_tagged+0x422/0x4b0 fs/udf/misc.c:212 udf_check_anchor_block+0x19b/0x580 fs/udf/super.c:1810 udf_scan_anchors+0x19b/0x5a0 fs/udf/super.c:1850 udf_find_anchor fs/udf/super.c:1907 [inline] udf_load_vrs+0x5c4/0xae0 fs/udf/super.c:1972 udf_fill_super+0x727/0x157f fs/udf/super.c:2164 mount_bdev+0x2c1/0x370 fs/super.c:1134 udf_mount+0x35/0x40 fs/udf/super.c:132 mount_fs+0x9d/0x2a7 fs/super.c:1237 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x44aeb9 RSP: 002b:00007f00edb17ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044aeb9 RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c R13: 00007ffd2d25f55f R14: 00007f00edb189c0 R15: 0000000000000001 Code: 08 5e 00 e9 14 ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 ba 00 00 00 00 00 fc ff df 55 48 89 f8 48 89 e5 48 c1 e8 03 41 57 <41> 56 41 55 4c 8d 6f 03 41 54 4c 89 e9 53 48 c1 e9 03 48 89 fb