Re: [syzbot] [xfs?] KASAN: slab-out-of-bounds Read in xlog_pack_data

From: syzbot
Date: Wed Jul 19 2023 - 23:14:50 EST


syzbot suspects this issue was fixed by commit:

commit f1e1765aad7de7a8b8102044fc6a44684bc36180
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Wed Jun 28 18:04:33 2023 +0000

xfs: journal geometry is not properly bounds checked

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13d43cc6a80000
start commit: fb054096aea0 Merge tag 'mm-hotfixes-stable-2023-06-12-12-2..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=5bcee04c3b2a8237
dashboard link: https://syzkaller.appspot.com/bug?extid=b7854dc75e15ffc8c2ae
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1482afc7280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1429c5e7280000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: xfs: journal geometry is not properly bounds checked

For information about bisection process see: https://goo.gl/tpsmEJ#bisection