UDF-fs: error (device loop3): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop3): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed gfs2: path_lookup on l»üŸ©Š©œ/dev+md0 returned error -2 ------------[ cut here ]------------ kernel BUG at fs/buffer.c:3111! gfs2: path_lookup on l»üŸ©Š©œ/dev+md0 returned error -2 invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8836 Comm: syz-executor.1 Not tainted 4.14.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88804780a640 task.stack: ffff888048700000 RIP: 0010:submit_bh_wbc+0x5a0/0x720 fs/buffer.c:3111 RSP: 0018:ffff888048707998 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff888096450888 RCX: ffffc9000d44f000 RDX: 00000000000256ed RSI: ffffffff819c14f0 RDI: 0000000000000000 RBP: ffff8880487079e0 R08: 0000000000000000 R09: ffff88804780aee0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888096450888 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f2f9bd39700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdbf4a1850 CR3: 000000009d0ff000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop5' (ffff8880a42325a0): kobject_uevent_env Call Trace: submit_bh fs/buffer.c:3158 [inline] __bread_slow fs/buffer.c:1238 [inline] __bread_gfp+0x106/0x290 fs/buffer.c:1420 sb_bread include/linux/buffer_head.h:307 [inline] udf_tread+0xe8/0x130 fs/udf/misc.c:44 udf_check_vsd fs/udf/super.c:724 [inline] udf_load_vrs+0x37c/0xae0 fs/udf/super.c:1954 udf_fill_super+0x727/0x157f fs/udf/super.c:2164 kobject: 'loop5' (ffff8880a42325a0): fill_kobj_path: path = '/devices/virtual/block/loop5' device ifb0 entered promiscuous mode mount_bdev+0x2be/0x370 fs/super.c:1134 kobject: 'bpq1' (ffff88809ed1d1b0): kobject_add_internal: parent: 'net', set: 'devices' udf_mount+0x35/0x40 fs/udf/super.c:132 mount_fs+0x97/0x2a1 fs/super.c:1237 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 kobject: 'bpq1' (ffff88809ed1d1b0): kobject_uevent_env vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 kobject: 'bpq1' (ffff88809ed1d1b0): fill_kobj_path: path = '/devices/virtual/net/bpq1' SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'queues' (ffff888088d24548): kobject_add_internal: parent: 'bpq1', set: '' kobject: 'queues' (ffff888088d24548): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 kobject: 'queues' (ffff888088d24548): kobject_uevent_env: filter function caused the event to drop! RSP: 002b:00007f2f9bd38c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a919 RDX: 0000000020000200 RSI: 0000000020000000 RDI: 00000000200000c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f9bd396d4 kobject: 'rx-0' (ffff888099a876d0): kobject_add_internal: parent: 'queues', set: 'queues' R13: 00000000004c7d30 R14: 00000000004dec48 R15: 00000000ffffffff Code: f0 80 63 01 f7 e9 3d fb ff ff 48 8d 43 20 48 89 45 d0 48 8d 43 10 48 89 45 c0 kobject: 'rx-0' (ffff888099a876d0): kobject_uevent_env e9 kobject: 'rx-0' (ffff888099a876d0): fill_kobj_path: path = '/devices/virtual/net/bpq1/queues/rx-0' 34 fc ff ff e8 87 3a c1 ff 0f kobject: 'tx-0' (ffff8880a0ef05d8): kobject_add_internal: parent: 'queues', set: 'queues' 0b e8 80 3a c1 ff <0f> 0b e8 79 3a c1 ff 0f kobject: 'tx-0' (ffff8880a0ef05d8): kobject_uevent_env 0b e8 72 3a c1 ff 0f 0b e8 6b 3a c1 ff RIP: submit_bh_wbc+0x5a0/0x720 fs/buffer.c:3111 RSP: ffff888048707998 protocol 88fb is buggy, dev hsr_slave_0 kobject: 'tx-0' (ffff8880a0ef05d8): fill_kobj_path: path = '/devices/virtual/net/bpq1/queues/tx-0' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'lapb1' (ffff88804eb593b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a41e15e0): kobject_uevent_env kobject: 'lapb1' (ffff88804eb593b0): kobject_uevent_env kobject: 'loop3' (ffff8880a41e15e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'lapb1' (ffff88804eb593b0): fill_kobj_path: path = '/devices/virtual/net/lapb1' ---[ end trace 5b3188c141347b99 ]--- kobject: 'queues' (ffff8880987aca48): kobject_add_internal: parent: 'lapb1', set: ''