[syzbot] Monthly jfs report (Dec 2025)

From: syzbot
Date: Fri Dec 26 2025 - 02:49:45 EST


Hello jfs maintainers/developers,

This is a 31-day syzbot report for the jfs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/jfs

During the period, 5 new issues were detected and 0 were fixed.
In total, 67 issues are still open and 65 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 80685 Yes kernel BUG in jfs_evict_inode
https://syzkaller.appspot.com/bug?extid=9c0c58ea2e4887ab502e
<2> 45006 Yes WARNING in dbAdjTree
https://syzkaller.appspot.com/bug?extid=ab18fa9c959320611727
<3> 7741 Yes general protection fault in lmLogSync (2)
https://syzkaller.appspot.com/bug?extid=e14b1036481911ae4d77
<4> 5943 Yes kernel BUG in dbFindLeaf
https://syzkaller.appspot.com/bug?extid=dcea2548c903300a400e
<5> 4187 Yes INFO: task hung in lock_metapage
https://syzkaller.appspot.com/bug?extid=1d84a1682e4673d5c4fb
<6> 3483 Yes general protection fault in jfs_flush_journal
https://syzkaller.appspot.com/bug?extid=194bfe3476f96782c0b6
<7> 3416 Yes general protection fault in txEnd
https://syzkaller.appspot.com/bug?extid=1d096d31de6a0491b55e
<8> 2752 Yes KASAN: use-after-free Read in jfs_lazycommit
https://syzkaller.appspot.com/bug?extid=885a4f3281b8d99c48d8
<9> 2574 Yes UBSAN: array-index-out-of-bounds in dtInsertEntry
https://syzkaller.appspot.com/bug?extid=5f7f0caf9979e9d09ff8
<10> 2467 Yes general protection fault in write_special_inodes
https://syzkaller.appspot.com/bug?extid=c732e285f8fc38d15916

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