------------[ cut here ]------------ kernel BUG at fs/buffer.c:2768! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 10852 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00025-ga2c63a3f3d68 #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:2768 Code: 04 7c ff be 00 10 00 00 48 c7 c7 80 ad 47 8e 4c 89 fa e8 dd 0d c6 02 e9 95 fe ff ff e8 93 04 7c ff 90 0f 0b e8 8b 04 7c ff 90 <0f> 0b e8 83 04 7c ff 90 0f 0b e8 7b 04 7c ff 90 0f 0b e8 73 04 7c RSP: 0018:ffffc90004daf858 EFLAGS: 00010283 RAX: ffffffff8219fbe5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90003dc1000 RSI: 0000000000000ecd RDI: 0000000000000ece RBP: 0000000000000000 R08: ffffffff8219f743 R09: 1ffff11008c70db3 R10: dffffc0000000000 R11: ffffed1008c70db4 R12: 0000000000000000 R13: ffff888046386d98 R14: 0000000000000000 R15: 1ffff11008c70db3 FS: 00007fb88e2026c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3e4c3b000 CR3: 000000002ea08000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2809 [inline] __bh_read fs/buffer.c:3074 [inline] bh_read_nowait include/linux/buffer_head.h:417 [inline] __block_write_begin_int+0x12d0/0x1a70 fs/buffer.c:2134 __block_write_begin fs/buffer.c:2154 [inline] block_write_begin+0x9b/0x1e0 fs/buffer.c:2213 udf_write_begin+0x10d/0x1a0 fs/udf/inode.c:261 generic_perform_write+0x322/0x640 mm/filemap.c:3974 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111 call_write_iter include/linux/fs.h:2110 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa84/0xcb0 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 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: 0033:0x7fb88d47dea9 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:00007fb88e2020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb88d5abf80 RCX: 00007fb88d47dea9 RDX: 0000000000000500 RSI: 0000000020003a80 RDI: 0000000000000004 RBP: 00007fb88d4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb88d5abf80 R15: 00007ffe4ee2af68 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2768 Code: 04 7c ff be 00 10 00 00 48 c7 c7 80 ad 47 8e 4c 89 fa e8 dd 0d c6 02 e9 95 fe ff ff e8 93 04 7c ff 90 0f 0b e8 8b 04 7c ff 90 <0f> 0b e8 83 04 7c ff 90 0f 0b e8 7b 04 7c ff 90 0f 0b e8 73 04 7c RSP: 0018:ffffc90004daf858 EFLAGS: 00010283 RAX: ffffffff8219fbe5 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90003dc1000 RSI: 0000000000000ecd RDI: 0000000000000ece RBP: 0000000000000000 R08: ffffffff8219f743 R09: 1ffff11008c70db3 R10: dffffc0000000000 R11: ffffed1008c70db4 R12: 0000000000000000 R13: ffff888046386d98 R14: 0000000000000000 R15: 1ffff11008c70db3 FS: 00007fb88e2026c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe04d7ddbc CR3: 000000002ea08000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400