linux-kernel - Re: [syzbot] [net?] KASAN: slab-use-after-free Write in __xfrm_state

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Message-ID: <68aea933.a70a0220.3cafd4.000f.GAE@google.com>
Date: Tue, 26 Aug 2025 23:44:03 -0700
From: syzbot <syzbot+a25ee9d20d31e483ba7b@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Write in __xfrm_state_delete

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to apply patch after dry run:
patching file net/xfrm/xfrm_state.c
patching file net/xfrm/xfrm_state.c
Hunk #1 FAILED at 929.
Hunk #2 succeeded at 983 (offset 43 lines).
Hunk #3 succeeded at 1553 (offset -2 lines).
Hunk #4 succeeded at 1719 (offset -2 lines).
1 out of 4 hunks FAILED -- saving rejects to file net/xfrm/xfrm_state.c.rej

Tested on:

commit:         24204116 Merge branch 'ipv6-sr-simplify-and-optimize-h..
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=67b99ceb67d33475
dashboard link: https://syzkaller.appspot.com/bug?extid=a25ee9d20d31e483ba7b
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=177cc634580000