------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:505! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6622 Comm: syz.3.626 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505 lr : reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505 sp : ffff800021386730 x29: ffff800021386760 x28: 0000000000000000 x27: 1fffe0001e3fa8cf x26: dfff800000000000 x25: ffff800020d99318 x24: 0000000000000000 x23: ffff800020969048 x22: ffff800020969050 x21: 0000000000000213 x20: ffff0000f1fd4678 x19: ffff0000f1fd4000 x18: 0000000000000000 x17: ffff800008a800a0 x16: ffff8000082dbd38 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe0001e98460c x12: 0000000000080000 x11: 0000000000004ee3 x10: ffff8000275aa000 x9 : ffff800008cf450c x8 : 0000000000004ee4 x7 : ffff800008d149bc x6 : 0000000000000000 x5 : 0000000000000001 x4 : ffff800021386860 x3 : 0000000000000001 x2 : 0000000000000213 x1 : 0000000000000213 x0 : 0000000000000213 Call trace: reiserfs_in_journal+0x994/0x998 fs/reiserfs/journal.c:505 is_block_in_journal fs/reiserfs/bitmap.c:125 [inline] scan_bitmap_block+0x408/0xc9c 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+0x2528/0x41fc fs/reiserfs/bitmap.c:1375 _allocate_block fs/reiserfs/reiserfs.h:-1 [inline] reiserfs_get_block+0x1f30/0x3860 fs/reiserfs/inode.c:756 __block_write_begin_int+0x3d8/0x13c0 fs/buffer.c:1991 __block_write_begin+0x7c/0xa0 fs/buffer.c:2041 reiserfs_write_begin+0x328/0x718 fs/reiserfs/inode.c:2775 generic_perform_write+0x240/0x508 mm/filemap.c:3862 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x520/0x93c fs/read_write.c:861 vfs_iter_write+0x88/0xac fs/read_write.c:902 iter_file_splice_write+0x528/0xa38 fs/splice.c:685 do_splice_from fs/splice.c:763 [inline] direct_splice_actor+0xe4/0x138 fs/splice.c:950 splice_direct_to_actor+0x3ec/0x9e4 fs/splice.c:896 do_splice_direct+0x168/0x25c fs/splice.c:1002 generic_copy_file_range fs/read_write.c:1393 [inline] vfs_copy_file_range+0x904/0x1118 fs/read_write.c:1539 __do_sys_copy_file_range fs/read_write.c:1596 [inline] __se_sys_copy_file_range fs/read_write.c:1559 [inline] __arm64_sys_copy_file_range+0x4e0/0x800 fs/read_write.c:1559 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 97f00273 aa1303e0 17ffff4b 97defad6 (d4210000) ---[ end trace 0000000000000000 ]---