------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:505!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4191 Comm: syz-executor.2 Not tainted 6.1.54-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:reiserfs_in_journal+0xa92/0xaa0 fs/reiserfs/journal.c:505
Code: f6 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 88 d4 b3 ff e9 42 fd ff ff e8 0e 24 5d ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41
RSP: 0018:ffffc90008336e80 EFLAGS: 00010293
RAX: ffffffff822cf082 RBX: ffffc9000b734048 RCX: ffff8880267f0000
RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213
RBP: ffffc9000b734050 R08: ffffffff822ce8c9 R09: ffffed100c038369
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000213
R13: ffffc9000b6fd2e0 R14: ffff88807ae74000 R15: dffffc0000000000
FS:  00007fdca8d906c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdca8d90d58 CR3: 00000000183da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 is_block_in_journal fs/reiserfs/bitmap.c:125 [inline]
 scan_bitmap_block+0x2de/0xfe0 fs/reiserfs/bitmap.c:188
 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+0x2dd9/0x5070 fs/reiserfs/bitmap.c:1375
 reiserfs_get_block+0x3296/0x5150 fs/reiserfs/inode.c:756
 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991
 reiserfs_write_begin+0x249/0x510 fs/reiserfs/inode.c:2775
 generic_cont_expand_simple+0x187/0x2a0 fs/buffer.c:2347
 reiserfs_setattr+0x606/0x11c0 fs/reiserfs/inode.c:3305
 notify_change+0xdcd/0x1080 fs/attr.c:483
 do_truncate+0x21c/0x300 fs/open.c:65
 do_sys_ftruncate+0x2e2/0x380 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdca807cae9
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:00007fdca8d900c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fdca819c050 RCX: 00007fdca807cae9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000004
RBP: 00007fdca80c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fdca819c050 R15: 00007ffc9c5904e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:reiserfs_in_journal+0xa92/0xaa0 fs/reiserfs/journal.c:505
Code: f6 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 88 d4 b3 ff e9 42 fd ff ff e8 0e 24 5d ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41
RSP: 0018:ffffc90008336e80 EFLAGS: 00010293

RAX: ffffffff822cf082 RBX: ffffc9000b734048 RCX: ffff8880267f0000
RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213
RBP: ffffc9000b734050 R08: ffffffff822ce8c9 R09: ffffed100c038369
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000213
R13: ffffc9000b6fd2e0 R14: ffff88807ae74000 R15: dffffc0000000000
FS:  00007fdca8d906c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559387041028 CR3: 00000000183da000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400