linux-kernel - Re: [syzbot] [hfs?] general protection fault in hfs_find

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Message-ID: <68bbccf3.a70a0220.7a912.02c1.GAE@google.com>
Date: Fri, 05 Sep 2025 22:56:03 -0700
From: syzbot <syzbot+7ca256d0da4af073b2e2@...kaller.appspotmail.com>
To: anders.roxell@...aro.org, arnd@...db.de, brauner@...nel.org, 
	frank.li@...o.com, glaubitz@...sik.fu-berlin.de, gregkh@...uxfoundation.org, 
	kstewart@...uxfoundation.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, pombredanne@...b.com, slava@...eyko.com, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de, yepeilin.cs@...il.com
Subject: Re: [syzbot] [hfs?] general protection fault in hfs_find_init

syzbot suspects this issue was fixed by commit:

commit 42b0ef01e6b5e9c77b383d32c25a0ec2a735d08a
Author: Arnd Bergmann <arnd@...db.de>
Date:   Fri Jul 11 08:46:51 2025 +0000

    block: fix FS_IOC_GETLBMD_CAP parsing in blkdev_common_ioctl()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c0d312580000
start commit:   ee88bddf7f2f Merge tag 'bpf-fixes' of git://git.kernel.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=28cc6f051378bb16
dashboard link: https://syzkaller.appspot.com/bug?extid=7ca256d0da4af073b2e2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1026b182580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=159e0f0c580000

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

#syz fix: block: fix FS_IOC_GETLBMD_CAP parsing in blkdev_common_ioctl()

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