------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:504! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5835 Comm: syz-executor.2 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:reiserfs_in_journal+0xa97/0xaa0 fs/reiserfs/journal.c:504 Code: ff ff 48 8b 4c 24 30 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 30 e8 24 b0 b1 ff e9 42 fd ff ff e8 ba d0 55 ff 90 <0f> 0b 0f 1f 80 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 54 RSP: 0018:ffffc9000e94eee0 EFLAGS: 00010287 RAX: ffffffff8238adf6 RBX: ffffc900149db048 RCX: 0000000000040000 RDX: ffffc9000b101000 RSI: 0000000000006038 RDI: 0000000000006039 RBP: ffffc900149db050 R08: ffffffff8238a63d R09: 1ffff11007caa208 R10: dffffc0000000000 R11: ffffed1007caa209 R12: 0000000000000213 R13: ffffc900149d92e0 R14: ffff88801c338000 R15: dffffc0000000000 FS: 00007f7385bf86c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbd2332a000 CR3: 00000000212d8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_block_in_journal fs/reiserfs/bitmap.c:125 [inline] scan_bitmap_block+0x48b/0xff0 fs/reiserfs/bitmap.c:203 scan_bitmap fs/reiserfs/bitmap.c:408 [inline] allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline] blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline] reiserfs_allocate_blocknrs+0x2ddd/0x5070 fs/reiserfs/bitmap.c:1375 reiserfs_get_block+0x3280/0x5130 fs/reiserfs/inode.c:756 __block_write_begin_int+0x54d/0x1ad0 fs/buffer.c:2119 reiserfs_write_begin+0x24d/0x520 fs/reiserfs/inode.c:2767 generic_perform_write+0x31b/0x630 mm/filemap.c:3918 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4039 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x792/0xb20 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f7384e7cae9 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:00007f7385bf80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7384f9bf80 RCX: 00007f7384e7cae9 RDX: 0000000000000090 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007f7384ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7384f9bf80 R15: 00007ffc54657838 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:reiserfs_in_journal+0xa97/0xaa0 fs/reiserfs/journal.c:504 Code: ff ff 48 8b 4c 24 30 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 30 e8 24 b0 b1 ff e9 42 fd ff ff e8 ba d0 55 ff 90 <0f> 0b 0f 1f 80 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 54 RSP: 0018:ffffc9000e94eee0 EFLAGS: 00010287 RAX: ffffffff8238adf6 RBX: ffffc900149db048 RCX: 0000000000040000 RDX: ffffc9000b101000 RSI: 0000000000006038 RDI: 0000000000006039 RBP: ffffc900149db050 R08: ffffffff8238a63d R09: 1ffff11007caa208 R10: dffffc0000000000 R11: ffffed1007caa209 R12: 0000000000000213 R13: ffffc900149d92e0 R14: ffff88801c338000 R15: dffffc0000000000 FS: 00007f7385bf86c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff410927d58 CR3: 00000000212d8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400