REISERFS panic (device loop0): vs-12195 balance_leaf: CFR not initialized
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kernel BUG at fs/reiserfs/prints.c:390!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4771 Comm: syz.0.64 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (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 : ffff800020e05b20
x29: ffff800020e05bc0 x28: ffff800020e063c0 x27: ffff800020e063d8
x26: ffff0000f9647027 x25: dfff800000000000 x24: ffff800020e06560
x23: ffff800020e05b40 x22: ffff800011b5eba0 x21: ffff0000f32a0000
x20: ffff800011b5eb80 x19: ffff800014770cbe x18: ffff800011a5bd40
x17: 1fffe00033eebd7e x16: ffff8000082d3a08 x15: 0000000040000000
x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100
x11: ff0080000830b6e8 x10: 0000000000000000 x9 : 19f8e1adf3a32700
x8 : 19f8e1adf3a32700 x7 : ffff8000082532dc x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000a84818c
x2 : ffff00019f75ed10 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+0x260/0x774 fs/reiserfs/do_balan.c:1888
 reiserfs_paste_into_item+0x5b4/0x6d0 fs/reiserfs/stree.c:2159
 reiserfs_get_block+0x1444/0x3524 fs/reiserfs/inode.c:1069
 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
 __block_write_begin+0x7c/0xa0 fs/buffer.c:2041
 reiserfs_write_begin+0x328/0x71c fs/reiserfs/inode.c:2775
 generic_perform_write+0x230/0x4e4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989
 __kernel_write_iter+0x200/0x558 fs/read_write.c:517
 __kernel_write+0xe0/0x130 fs/read_write.c:537
 __dump_emit fs/coredump.c:873 [inline]
 dump_emit+0x220/0x31c fs/coredump.c:910
 elf_core_dump+0x20e0/0x2cc4 fs/binfmt_elf.c:2306
 do_coredump+0x10c4/0x1c4c fs/coredump.c:824
 get_signal+0xdec/0x1310 kernel/signal.c:2857
 do_signal arch/arm64/kernel/signal.c:1081 [inline]
 do_notify_resume+0x29c/0x2b28 arch/arm64/kernel/signal.c:1134
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb4/0x154 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 912d80a5 911aa2a1 aa1303e4 97ffe397 (d4210000) 
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