[syzbot] Monthly jfs report (Jun 2023)

[syzbot]

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, 2 new issues were detected and 0 were fixed.
In total, 54 issues are still open and 12 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  5157    Yes   UBSAN: shift-out-of-bounds in extAlloc
                   https://syzkaller.appspot.com/bug?extid=5f088f29593e6b4c8db8
<2>  962     Yes   UBSAN: array-index-out-of-bounds in xtInsert
                   https://syzkaller.appspot.com/bug?extid=55a7541cfd25df68109e
<3>  885     Yes   general protection fault in lmLogSync (2)
                   https://syzkaller.appspot.com/bug?extid=e14b1036481911ae4d77
<4>  610     Yes   kernel BUG in jfs_evict_inode
                   https://syzkaller.appspot.com/bug?extid=9c0c58ea2e4887ab502e
<5>  475     Yes   general protection fault in write_special_inodes
                   https://syzkaller.appspot.com/bug?extid=c732e285f8fc38d15916
<6>  307     Yes   kernel BUG in txUnlock
                   https://syzkaller.appspot.com/bug?extid=a63afa301d1258d09267
<7>  289     Yes   UBSAN: array-index-out-of-bounds in txCommit
                   https://syzkaller.appspot.com/bug?extid=0558d19c373e44da3c18
<8>  202     Yes   general protection fault in jfs_flush_journal
                   https://syzkaller.appspot.com/bug?extid=194bfe3476f96782c0b6
<9>  137     Yes   KASAN: use-after-free Read in release_metapage
                   https://syzkaller.appspot.com/bug?extid=f1521383cec5f7baaa94
<10> 95      Yes   KASAN: invalid-free in dbUnmount
                   https://syzkaller.appspot.com/bug?extid=6a93efb725385bc4b2e9

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