REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. REISERFS panic (device loop0): vs-12195 balance_leaf: CFR not initialized ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5510 Comm: syz-executor.0 Not tainted 6.6.0-rc7-next-20231030-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:__reiserfs_panic+0x100/0x150 fs/reiserfs/prints.c:390 Code: 5e ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 60 06 00 00 49 c7 c1 a0 63 8d 92 48 c7 c7 40 f1 e2 8a e8 95 69 41 ff e8 10 a6 5e ff <0f> 0b 49 c7 c6 e0 ef e2 8a 4d 89 f4 eb c5 e8 fd a5 5e ff 4d 85 e4 RSP: 0018:ffffc90005016ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802595a000 RCX: ffffffff816bef79 RDX: ffff88807ed99dc0 RSI: ffffffff822a76b0 RDI: 0000000000000005 RBP: ffffc90005016db8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8ae26b40 R13: ffffffff8ae26da0 R14: ffffffff8ae2efa0 R15: ffffc90005017128 FS: 00007f50a0e6a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005645361db950 CR3: 0000000028f47000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: balance_leaf+0xb10d/0xcd90 fs/reiserfs/do_balan.c:1439 do_balance+0x337/0x840 fs/reiserfs/do_balan.c:1888 reiserfs_insert_item+0xadb/0xe20 fs/reiserfs/stree.c:2260 reiserfs_new_inode+0xe4a/0x1fe0 fs/reiserfs/inode.c:2048 reiserfs_create+0x375/0x760 fs/reiserfs/namei.c:666 lookup_open.isra.0+0x1092/0x13b0 fs/namei.c:3477 open_last_lookups fs/namei.c:3546 [inline] path_openat+0xa55/0x2c40 fs/namei.c:3776 do_filp_open+0x1dc/0x430 fs/namei.c:3809 do_sys_openat2+0x176/0x1e0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x62/0x6a RIP: 0033:0x7f50a007c859 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f50a0e6a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f50a019bf80 RCX: 00007f50a007c859 RDX: 0000000000000241 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f50a00d8ad0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f50a019bf80 R15: 00007ffe4d6d1448 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reiserfs_panic+0x100/0x150 fs/reiserfs/prints.c:390 Code: 5e ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 60 06 00 00 49 c7 c1 a0 63 8d 92 48 c7 c7 40 f1 e2 8a e8 95 69 41 ff e8 10 a6 5e ff <0f> 0b 49 c7 c6 e0 ef e2 8a 4d 89 f4 eb c5 e8 fd a5 5e ff 4d 85 e4 RSP: 0018:ffffc90005016ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802595a000 RCX: ffffffff816bef79 RDX: ffff88807ed99dc0 RSI: ffffffff822a76b0 RDI: 0000000000000005 RBP: ffffc90005016db8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8ae26b40 R13: ffffffff8ae26da0 R14: ffffffff8ae2efa0 R15: ffffc90005017128 FS: 00007f50a0e6a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005645361db950 CR3: 0000000028f47000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400