REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:505! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9334 Comm: syz.3.971 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:reiserfs_in_journal+0xa87/0xa90 fs/reiserfs/journal.c:505 Code: 24 30 80 e2 07 80 c2 03 38 ca 0f 8c 74 fe ff ff 48 8b 7c 24 30 48 89 c3 e8 46 53 be ff 48 89 d8 e9 5f fe ff ff e8 39 ea 79 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41 55 41 54 53 50 49 89 RSP: 0018:ffffc9000434ef80 EFLAGS: 00010293 RAX: ffffffff81fde1d7 RBX: ffff88801e4ee000 RCX: ffff8880490abb80 RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 RBP: 0000000000001626 R08: ffffc9000434f0c0 R09: ffffed1009b6d609 R10: ffffed1009b6d609 R11: 1ffff11009b6d608 R12: ffffc90003101048 R13: ffffc90003101050 R14: dffffc0000000000 R15: 0000000000000213 FS: 00007fade463e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fade45fbf98 CR3: 00000000606e4000 CR4: 00000000003506f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_block_in_journal fs/reiserfs/bitmap.c:125 [inline] scan_bitmap_block+0x488/0xdb0 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+0x370b/0x53b0 fs/reiserfs/bitmap.c:1375 _allocate_block fs/reiserfs/inode.c:-1 [inline] reiserfs_get_block+0x266e/0x4100 fs/reiserfs/inode.c:764 __block_write_begin_int+0x54e/0x15a0 fs/buffer.c:2012 reiserfs_write_begin+0x34b/0x810 fs/reiserfs/inode.c:2790 generic_perform_write+0x2aa/0x530 mm/filemap.c:3785 __generic_file_write_iter+0x25f/0x4e0 mm/filemap.c:3912 generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2173 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x712/0xd00 fs/read_write.c:594 ksys_pwrite64 fs/read_write.c:701 [inline] __do_sys_pwrite64 fs/read_write.c:711 [inline] __se_sys_pwrite64 fs/read_write.c:708 [inline] __x64_sys_pwrite64+0x194/0x220 fs/read_write.c:708 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fade63d7749 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:00007fade463e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fade662dfa0 RCX: 00007fade63d7749 RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000008 RBP: 00007fade645bf91 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000 R13: 00007fade662e038 R14: 00007fade662dfa0 R15: 00007ffea65900e8 Modules linked in: ---[ end trace 69ef8787d2233983 ]--- RIP: 0010:reiserfs_in_journal+0xa87/0xa90 fs/reiserfs/journal.c:505 Code: 24 30 80 e2 07 80 c2 03 38 ca 0f 8c 74 fe ff ff 48 8b 7c 24 30 48 89 c3 e8 46 53 be ff 48 89 d8 e9 5f fe ff ff e8 39 ea 79 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41 55 41 54 53 50 49 89 RSP: 0018:ffffc9000434ef80 EFLAGS: 00010293 RAX: ffffffff81fde1d7 RBX: ffff88801e4ee000 RCX: ffff8880490abb80 RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 RBP: 0000000000001626 R08: ffffc9000434f0c0 R09: ffffed1009b6d609 R10: ffffed1009b6d609 R11: 1ffff11009b6d608 R12: ffffc90003101048 R13: ffffc90003101050 R14: dffffc0000000000 R15: 0000000000000213 FS: 00007fade463e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000c840 CR3: 00000000606e4000 CR4: 00000000003506f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400