REISERFS warning (device loop4): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 1) REISERFS panic (device loop4): vs-12195 balance_leaf: CFR not initialized ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4342 Comm: syz.4.45 Not tainted 5.15.187-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __reiserfs_panic+0x13c/0x140 fs/reiserfs/prints.c:384 lr : __reiserfs_panic+0x13c/0x140 fs/reiserfs/prints.c:384 sp : ffff80001f506460 x29: ffff80001f506500 x28: ffff80001f506d00 x27: ffff80001f506d18 x26: ffff0000ebcf7027 x25: dfff800000000000 x24: ffff80001f506ea0 x23: ffff80001f506480 x22: ffff800011412060 x21: ffff0000cf5c8000 x20: ffff800011412040 x19: ffff8000138a8ff5 x18: 0000000000000001 x17: ffff800016d15000 x16: ffff8000111d162c x15: ffff8000167f5500 x14: ffff0000d1598a00 x13: ffff0000d1598ac8 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 902cb3e1649e1a00 x8 : 902cb3e1649e1a00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000a734e84 x2 : ffff0001a10d4d50 x1 : 0000000100000000 x0 : 0000000000000049 Call trace: __reiserfs_panic+0x13c/0x140 fs/reiserfs/prints.c:384 balance_leaf+0xa0a8/0xd2f4 fs/reiserfs/do_balan.c:1439 do_balance+0x260/0x778 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x5b4/0x6d0 fs/reiserfs/stree.c:2159 reiserfs_get_block+0x1458/0x34b0 fs/reiserfs/inode.c:1077 __block_write_begin_int+0x3e4/0x1588 fs/buffer.c:2012 __block_write_begin+0x40/0x54 fs/buffer.c:2062 reiserfs_write_begin+0x3c8/0x654 fs/reiserfs/inode.c:2790 generic_perform_write+0x204/0x480 mm/filemap.c:3785 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912 generic_file_write_iter+0xb0/0x1b4 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x7c8/0xa2c fs/read_write.c:594 ksys_write+0x120/0x210 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 912900a5 911aa2a1 aa1303e4 97ffd888 (d4210000) ---[ end trace 5f00355f9e8a4965 ]---