------------[ cut here ]------------ kernel BUG at fs/buffer.c:2791! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 7890 Comm: syz.2.367 Not tainted 6.10.0-rc5-syzkaller-00012-g626737a5791b #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: c9 7a ff be 00 10 00 00 48 c7 c7 80 c5 47 8e 4c 89 fa e8 4d 85 c4 02 e9 95 fe ff ff e8 53 c9 7a ff 90 0f 0b e8 4b c9 7a ff 90 <0f> 0b e8 43 c9 7a ff 90 0f 0b e8 3b c9 7a ff 90 0f 0b e8 33 c9 7a RSP: 0018:ffffc900044af2b8 EFLAGS: 00010283 RAX: ffffffff821b5b55 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90013e07000 RSI: 0000000000007718 RDI: 0000000000007719 RBP: 0000000000000000 R08: ffffffff821b56b3 R09: 1ffff1100c4d2ee8 R10: dffffc0000000000 R11: ffffed100c4d2ee9 R12: 0000000000000000 R13: ffff888062697740 R14: 0000000000000000 R15: 1ffff1100c4d2ee8 FS: 00007f3c7ee2f6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005629302a4950 CR3: 0000000024b8c000 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 iter_file_splice_write+0xbd7/0x14e0 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11e/0x220 fs/splice.c:1164 splice_direct_to_actor+0x58e/0xc90 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x28c/0x3e0 fs/splice.c:1233 vfs_copy_file_range+0xd37/0x1510 fs/read_write.c:1558 __do_sys_copy_file_range fs/read_write.c:1612 [inline] __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1575 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: 0033:0x7f3c7df75d39 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:00007f3c7ee2f048 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 00007f3c7e103fa0 RCX: 00007f3c7df75d39 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 000000000000000c RBP: 00007f3c7dff6766 R08: 0000000000000006 R09: 0000000000000000 R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3c7e103fa0 R15: 00007fff02935568 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x546/0x560 fs/buffer.c:2791 Code: c9 7a ff be 00 10 00 00 48 c7 c7 80 c5 47 8e 4c 89 fa e8 4d 85 c4 02 e9 95 fe ff ff e8 53 c9 7a ff 90 0f 0b e8 4b c9 7a ff 90 <0f> ---------------- Code disassembly (best guess): 0: c9 leave 1: 7a ff jp 0x2 3: be 00 10 00 00 mov $0x1000,%esi 8: 48 c7 c7 80 c5 47 8e mov $0xffffffff8e47c580,%rdi f: 4c 89 fa mov %r15,%rdx 12: e8 4d 85 c4 02 call 0x2c48564 17: e9 95 fe ff ff jmp 0xfffffeb1 1c: e8 53 c9 7a ff call 0xff7ac974 21: 90 nop 22: 0f 0b ud2 24: e8 4b c9 7a ff call 0xff7ac974 29: 90 nop * 2a: 0f .byte 0xf <-- trapping instruction