------------[ cut here ]------------ kernel BUG at fs/buffer.c:2791! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 6430 Comm: syz-executor.2 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2791 Code: d4 77 ff be 00 10 00 00 48 c7 c7 00 c3 47 8e 4c 89 fa e8 dd ad cd 02 e9 95 fe ff ff e8 e3 d3 77 ff 90 0f 0b e8 db d3 77 ff 90 <0f> 0b e8 d3 d3 77 ff 90 0f 0b e8 cb d3 77 ff 90 0f 0b e8 c3 d3 77 RSP: 0018:ffffc90004d07898 EFLAGS: 00010283 RAX: ffffffff821e89b5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc900127b7000 RSI: 00000000000022a0 RDI: 00000000000022a1 RBP: 0000000000000000 R08: ffffffff821e8513 R09: 1ffff1100ab49fd0 R10: dffffc0000000000 R11: ffffed100ab49fd1 R12: 0000000000000000 R13: ffff888055a4fe80 R14: 0000000000000000 R15: 1ffff1100ab49fd0 FS: 00007fe80fd676c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557b314938 CR3: 0000000074c4e000 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+0x10d/0x1a0 fs/udf/inode.c:261 generic_perform_write+0x322/0x640 mm/filemap.c:4016 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111 new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa72/0xc90 fs/read_write.c:590 ksys_pwrite64 fs/read_write.c:705 [inline] __do_sys_pwrite64 fs/read_write.c:715 [inline] __se_sys_pwrite64 fs/read_write.c:712 [inline] __x64_sys_pwrite64+0x1aa/0x230 fs/read_write.c:712 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe80f07dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe80fd670c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fe80f1abf80 RCX: 00007fe80f07dea9 RDX: 0000000000000001 RSI: 00000000200008c0 RDI: 0000000000000007 RBP: 00007fe80f0ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe80f1abf80 R15: 00007ffc46269188 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2791 Code: d4 77 ff be 00 10 00 00 48 c7 c7 00 c3 47 8e 4c 89 fa e8 dd ad cd 02 e9 95 fe ff ff e8 e3 d3 77 ff 90 0f 0b e8 db d3 77 ff 90 <0f> 0b e8 d3 d3 77 ff 90 0f 0b e8 cb d3 77 ff 90 0f 0b e8 c3 d3 77 RSP: 0018:ffffc90004d07898 EFLAGS: 00010283 RAX: ffffffff821e89b5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc900127b7000 RSI: 00000000000022a0 RDI: 00000000000022a1 RBP: 0000000000000000 R08: ffffffff821e8513 R09: 1ffff1100ab49fd0 R10: dffffc0000000000 R11: ffffed100ab49fd1 R12: 0000000000000000 R13: ffff888055a4fe80 R14: 0000000000000000 R15: 1ffff1100ab49fd0 FS: 00007fe80fd676c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f246a17abf8 CR3: 0000000074c4e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400