ci starts bisection 2023-04-25 16:56:00.095773732 +0000 UTC m=+14983.702105573
bisecting fixing commit since 1ec35eadc3b448c91a6b763371a7073444e95f9d
building syzkaller on ee50e71ca65deab5f014ff0481809c7b2afa5427
ensuring issue is reproducible on original commit 1ec35eadc3b448c91a6b763371a7073444e95f9d

testing commit 1ec35eadc3b448c91a6b763371a7073444e95f9d gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6092aa62ddb9346b5293123ad3ee4b13e874caaa9802c317666809b102a7cc7e
all runs: crashed: kernel BUG in balance_leaf
testing current HEAD 173ea743bf7a9eef04460e03b00ba267cc52aee2
testing commit 173ea743bf7a9eef04460e03b00ba267cc52aee2 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 91920b88c4b405ec7426b2c00c994521e111e5a0fe004e0f02b974b90935a279
all runs: crashed: kernel BUG in balance_leaf
revisions tested: 2, total time: 25m49.711984979s (build: 18m58.884708881s, test: 5m54.688342281s)
the crash still happens on HEAD
commit msg: Merge tag 'pull-nios2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
crash: kernel BUG in balance_leaf
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 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: 5496 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:__reiserfs_panic+0xdb/0x120 fs/reiserfs/prints.c:390
Code: e4 48 c7 c1 60 a2 7f 89 74 22 48 8d b3 a8 06 00 00 49 c7 c1 60 b6 d8 90 4d 89 e8 4c 89 e2 48 c7 c7 c0 a3 7f 89 e8 b5 93 62 ff <0f> 0b 48 c7 c1 20 a2 7f 89 49 89 cc eb d2 4d 85 e4 74 22 48 c7 c2
RSP: 0018:ffffc900043eed48 EFLAGS: 00010246
RAX: 0000000000000049 RBX: ffff8880293fc000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff89c269e0 RDI: 0000000000000001
RBP: ffffc900043eee10 R08: 0000000000000001 R09: ffffc900043eeb77
R10: fffff5200087dd6e R11: 0000000000000001 R12: ffffffff897f2440
R13: ffffffff897f2640 R14: ffff888070d3e910 R15: ffffc900043ef140
FS:  00007f6d847fe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d7c7dd718 CR3: 000000002052e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 balance_leaf+0xa08a/0xdb40 fs/reiserfs/do_balan.c:1439
 do_balance+0x2f7/0x760 fs/reiserfs/do_balan.c:1888
 reiserfs_insert_item+0xb9b/0xf60 fs/reiserfs/stree.c:2261
 reiserfs_new_inode+0xc65/0x1e10 fs/reiserfs/inode.c:2054
 reiserfs_create+0x2f2/0x690 fs/reiserfs/namei.c:666
 lookup_open.isra.0+0xdea/0x1510 fs/namei.c:3416
 open_last_lookups fs/namei.c:3484 [inline]
 path_openat+0x7ad/0x2280 fs/namei.c:3712
 do_filp_open+0x1a9/0x3e0 fs/namei.c:3742
 do_sys_openat2+0x11e/0x3f0 fs/open.c:1356
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x11f/0x1d0 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6d8548c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6d847fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6d855abf80 RCX: 00007f6d8548c0f9
RDX: 0000000000000241 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007f6d854e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc023e61f R14: 00007f6d847fe300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__reiserfs_panic+0xdb/0x120 fs/reiserfs/prints.c:390
Code: e4 48 c7 c1 60 a2 7f 89 74 22 48 8d b3 a8 06 00 00 49 c7 c1 60 b6 d8 90 4d 89 e8 4c 89 e2 48 c7 c7 c0 a3 7f 89 e8 b5 93 62 ff <0f> 0b 48 c7 c1 20 a2 7f 89 49 89 cc eb d2 4d 85 e4 74 22 48 c7 c2
RSP: 0018:ffffc900043eed48 EFLAGS: 00010246
RAX: 0000000000000049 RBX: ffff8880293fc000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff89c269e0 RDI: 0000000000000001
RBP: ffffc900043eee10 R08: 0000000000000001 R09: ffffc900043eeb77
R10: fffff5200087dd6e R11: 0000000000000001 R12: ffffffff897f2440
R13: ffffffff897f2640 R14: ffff888070d3e910 R15: ffffc900043ef140
FS:  00007f6d847fe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d7c7dd718 CR3: 000000002052e000 CR4: 0000000000350ef0