UDF-fs: error (device loop4): udf_read_tagged: read failed, block=256, location=256 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ kernel BUG at fs/buffer.c:2791! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 8585 Comm: syz.4.420 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2791 Code: b7 7a ff be 00 10 00 00 48 c7 c7 80 c5 47 8e 4c 89 fa e8 6d 6b c4 02 e9 95 fe ff ff e8 f3 b6 7a ff 90 0f 0b e8 eb b6 7a ff 90 <0f> 0b e8 e3 b6 7a ff 90 0f 0b e8 db b6 7a ff 90 0f 0b e8 d3 b6 7a RSP: 0018:ffffc900049cf6b8 EFLAGS: 00010283 RAX: ffffffff821b6fd5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90010e62000 RSI: 0000000000010fbe RDI: 0000000000010fbf RBP: 0000000000000000 R08: ffffffff821b6b33 R09: 1ffff1100f2dda74 R10: dffffc0000000000 R11: ffffed100f2dda75 R12: 0000000000000000 R13: ffff8880796ed3a0 R14: 0000000000000000 R15: 1ffff1100f2dda74 FS: 00007f4a960ac6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555791d6588 CR3: 00000000277e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2832 [inline] __bh_read fs/buffer.c:3101 [inline] bh_read_nowait include/linux/buffer_head.h:443 [inline] __block_write_begin_int+0x12d0/0x1a70 fs/buffer.c:2157 __block_write_begin fs/buffer.c:2177 [inline] block_write_begin+0x9b/0x1e0 fs/buffer.c:2236 udf_write_begin+0x107/0x350 fs/udf/inode.c:256 generic_perform_write+0x322/0x640 mm/filemap.c:4015 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111 do_iter_readv_writev+0x5a4/0x800 vfs_writev+0x37c/0xbb0 fs/read_write.c:971 do_pwritev fs/read_write.c:1072 [inline] __do_sys_pwritev fs/read_write.c:1119 [inline] __se_sys_pwritev fs/read_write.c:1114 [inline] __x64_sys_pwritev+0x1c7/0x2d0 fs/read_write.c:1114 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4a95375bd9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4a960ac048 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f4a95503f60 RCX: 00007f4a95375bd9 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000008 RBP: 00007f4a953e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010001 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4a95503f60 R15: 00007ffd6da3b448 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2791 Code: b7 7a ff be 00 10 00 00 48 c7 c7 80 c5 47 8e 4c 89 fa e8 6d 6b c4 02 e9 95 fe ff ff e8 f3 b6 7a ff 90 0f 0b e8 eb b6 7a ff 90 <0f> 0b e8 e3 b6 7a ff 90 0f 0b e8 db b6 7a ff 90 0f 0b e8 d3 b6 7a RSP: 0018:ffffc900049cf6b8 EFLAGS: 00010283 RAX: ffffffff821b6fd5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90010e62000 RSI: 0000000000010fbe RDI: 0000000000010fbf RBP: 0000000000000000 R08: ffffffff821b6b33 R09: 1ffff1100f2dda74 R10: dffffc0000000000 R11: ffffed100f2dda75 R12: 0000000000000000 R13: ffff8880796ed3a0 R14: 0000000000000000 R15: 1ffff1100f2dda74 FS: 00007f4a960ac6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f508e165000 CR3: 00000000277e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400