ci2 starts bisection 2023-07-08 01:10:48.732714842 +0000 UTC m=+32842.313265267
bisecting fixing commit since d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb
building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27
ensuring issue is reproducible on original commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb

testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: fc0f053c23d8b2b898880e29b06ec76f55028e08f7497f004991ed949af4f677
all runs: crashed: kernel BUG in txUnlock
representative crash: kernel BUG in txUnlock, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit d2869ace6eeb8ea8a6e70e6904524c5a6456d3fb gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ccb54107d303a9f3f930f960a37cf79cd0e0f64e14bfe1fa6bc734bde75ea307
all runs: crashed: kernel BUG in txUnlock
representative crash: kernel BUG in txUnlock, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2
testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1b2b2fb2776e123335afad82adb13551598a6706c62a7fc6e04b555541653970
all runs: crashed: kernel BUG in txUnlock
representative crash: kernel BUG in txUnlock, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 3, total time: 2h17m29.148852994s (build: 1h55m39.916430285s, test: 8m57.978478575s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 6.1.38
crash: kernel BUG in txUnlock
BUG at fs/jfs/jfs_txnmgr.c:926 assert(mp->nohomeok > 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:926!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 90 Comm: jfsCommit Not tainted 6.1.38-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : txUnlock+0x45c/0x494 fs/jfs/jfs_txnmgr.c:926
lr : txUnlock+0x45c/0x494 fs/jfs/jfs_txnmgr.c:926
sp : ffff80000fcb3d50
x29: ffff80000fcb3d80 x28: ffff80000f1d4000 x27: ffff0000c41ca730
x26: 0000000000000004 x25: ffff80000f1d3fc8 x24: ffff80000f1d4018
x23: ffff80000f1d3000 x22: ffff80000f1d4000 x21: ffff800012902000
x20: 0000000000000048 x19: ffff80000f1d3f74 x18: 0000000000004973
x17: 0000000000000012 x16: ffffffffffffffff x15: 0000000000000004
x14: 0000000000001fff x13: ffff80000d1fd310 x12: 0000000000000003
x11: 0000000000000003 x10: 0000000000000000 x9 : 3f71977d6741dc00
x8 : 3f71977d6741dc00 x7 : ffff80000b402e04 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001febebcd0 x1 : ffff80000cb69627 x0 : 0000000000000037
Call trace:
 txUnlock+0x45c/0x494 fs/jfs/jfs_txnmgr.c:926
 txLazyCommit fs/jfs/jfs_txnmgr.c:2677 [inline]
 jfs_lazycommit+0x17c/0x33c fs/jfs/jfs_txnmgr.c:2727
 kthread+0xe0/0x104 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Code: d001fb03 91008c63 528073c2 94ac755a (d4210000) 
---[ end trace 0000000000000000 ]---