REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using rupasov hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:508! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7951 Comm: syz-executor426 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 task: ffff888097930440 task.stack: ffff888099600000 RIP: 0010:reiserfs_in_journal+0x420/0x600 fs/reiserfs/journal.c:508 RSP: 0018:ffff888099607428 EFLAGS: 00010297 RAX: ffff888097930440 RBX: ffff8880b33eee80 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000008000 RDI: ffffc90001af8050 RBP: ffffc90001af8048 R08: ffff888099607508 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000213 R14: 000000000000b0e0 R15: ffffc90001ad6000 FS: 0000555555fba300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe839d83010 CR3: 00000000af35f000 CR4: 00000000003406f0 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.constprop.0+0x3db/0xd20 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+0x1a63/0x4640 fs/reiserfs/bitmap.c:1375 reiserfs_new_unf_blocknrs fs/reiserfs/reiserfs.h:3360 [inline] _allocate_block fs/reiserfs/inode.c:653 [inline] reiserfs_get_block+0x865/0x36b0 fs/reiserfs/inode.c:764 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 reiserfs_write_begin+0x2e3/0x8a0 fs/reiserfs/inode.c:2793 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1780 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcd117358d9 RSP: 002b:00007ffc8a81e408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd117358d9 RDX: 000000006db6e559 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fcd117a3ec0 R09: 00007fcd117a3ec0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8a81e430 R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 Code: 49 39 c5 75 b3 e8 41 3f a3 ff 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 17 01 00 00 48 3b 5d 08 75 92 e8 20 3f a3 ff <0f> 0b e8 19 3f a3 ff 48 8b 9b 80 06 00 00 48 b8 00 00 00 00 00 RIP: reiserfs_in_journal+0x420/0x600 fs/reiserfs/journal.c:508 RSP: ffff888099607428 ---[ end trace e540e298c4bdca88 ]---