UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ kernel BUG at fs/buffer.c:2786! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5753 Comm: syz.0.2822 Not tainted 6.10.0-syzkaller-01155-gd67978318827 #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:2786 Code: 48 7a ff be 00 10 00 00 48 c7 c7 80 d9 47 8e 4c 89 fa e8 4d 92 c4 02 e9 95 fe ff ff e8 93 48 7a ff 90 0f 0b e8 8b 48 7a ff 90 <0f> 0b e8 83 48 7a ff 90 0f 0b e8 7b 48 7a ff 90 0f 0b e8 73 48 7a RSP: 0018:ffffc900044cf6b8 EFLAGS: 00010283 RAX: ffffffff821c1495 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90009c89000 RSI: 0000000000006a0c RDI: 0000000000006a0d RBP: 0000000000000000 R08: ffffffff821c0ff3 R09: 1ffff1100c89541d R10: dffffc0000000000 R11: ffffed100c89541e R12: 0000000000000000 R13: ffff8880644aa0e8 R14: 0000000000000000 R15: 1ffff1100c89541d FS: 00007fe1bc8066c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f697f3de000 CR3: 0000000065fa2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2827 [inline] __bh_read fs/buffer.c:3096 [inline] bh_read_nowait include/linux/buffer_head.h:443 [inline] __block_write_begin_int+0x12d0/0x1a70 fs/buffer.c:2154 __block_write_begin fs/buffer.c:2174 [inline] block_write_begin+0x9b/0x1e0 fs/buffer.c:2233 udf_write_begin+0x107/0x350 fs/udf/inode.c:256 generic_perform_write+0x322/0x640 mm/filemap.c:4016 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111 do_iter_readv_writev+0x60a/0x890 vfs_writev+0x37c/0xbb0 fs/read_write.c:971 do_pwritev fs/read_write.c:1072 [inline] __do_sys_pwritev2 fs/read_write.c:1131 [inline] __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1122 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: 0033:0x7fe1bb975bd9 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:00007fe1bc806048 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fe1bbb03f60 RCX: 00007fe1bb975bd9 RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007fe1bb9e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe1bbb03f60 R15: 00007fff3461e888 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2786 Code: 48 7a ff be 00 10 00 00 48 c7 c7 80 d9 47 8e 4c 89 fa e8 4d 92 c4 02 e9 95 fe ff ff e8 93 48 7a ff 90 0f 0b e8 8b 48 7a ff 90 <0f> 0b e8 83 48 7a ff 90 0f 0b e8 7b 48 7a ff 90 0f 0b e8 73 48 7a RSP: 0018:ffffc900044cf6b8 EFLAGS: 00010283 RAX: ffffffff821c1495 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90009c89000 RSI: 0000000000006a0c RDI: 0000000000006a0d RBP: 0000000000000000 R08: ffffffff821c0ff3 R09: 1ffff1100c89541d R10: dffffc0000000000 R11: ffffed100c89541e R12: 0000000000000000 R13: ffff8880644aa0e8 R14: 0000000000000000 R15: 1ffff1100c89541d FS: 00007fe1bc8066c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b73d000a0 CR3: 0000000065fa2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400