------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:505! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10873 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller-00194-g8a28a0b6f1a1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:reiserfs_in_journal+0xa96/0xaa0 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 74 72 b2 ff e9 42 fd ff ff e8 da 8e 5a ff <0f> 0b 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 RSP: 0000:ffffc90015b46ea0 EFLAGS: 00010283 RAX: ffffffff8230f626 RBX: ffffc90015d99048 RCX: 0000000000040000 RDX: ffffc90003b81000 RSI: 00000000000024a3 RDI: 00000000000024a4 RBP: ffffc90015d99050 R08: ffffffff8230ee6d R09: ffffed1010a3254c R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000213 R13: ffffc90015d792e0 R14: ffff88803eab4000 R15: dffffc0000000000 FS: 00007fbd8b162700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63a051c000 CR3: 0000000014e8c000 CR4: 00000000003506e0 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+0x2e2/0xff0 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+0x2ddd/0x5070 fs/reiserfs/bitmap.c:1375 reiserfs_get_block+0x3280/0x5130 fs/reiserfs/inode.c:756 __block_write_begin_int+0x548/0x1a50 fs/buffer.c:2064 reiserfs_write_begin+0x24d/0x520 fs/reiserfs/inode.c:2773 generic_perform_write+0x300/0x5e0 mm/filemap.c:3929 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4057 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4089 call_write_iter include/linux/fs.h:1868 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x790/0xb20 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbd8a48c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbd8b162168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbd8a5abf80 RCX: 00007fbd8a48c389 RDX: 000000000000fea7 RSI: 0000000020000080 RDI: 0000000000000006 RBP: 00007fbd8a4d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcac1126cf R14: 00007fbd8b162300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:reiserfs_in_journal+0xa96/0xaa0 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 74 72 b2 ff e9 42 fd ff ff e8 da 8e 5a ff <0f> 0b 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 RSP: 0000:ffffc90015b46ea0 EFLAGS: 00010283 RAX: ffffffff8230f626 RBX: ffffc90015d99048 RCX: 0000000000040000 RDX: ffffc90003b81000 RSI: 00000000000024a3 RDI: 00000000000024a4 RBP: ffffc90015d99050 R08: ffffffff8230ee6d R09: ffffed1010a3254c R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000213 R13: ffffc90015d792e0 R14: ffff88803eab4000 R15: dffffc0000000000 FS: 00007fbd8b162700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63a0fbc718 CR3: 0000000014e8c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400