Re: [syzbot] [trace?] [block?] KASAN: slab-use-after-free Read in blk_log_remap

From: syzbot

Date: Thu Sep 03 2026 - 16:31:03 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+4dfd96209d744263a972@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+4dfd96209d744263a972@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 841e384b Merge tag 's390-7.3-2' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1182fc15580000
kernel config: https://syzkaller.appspot.com/x/.config?x=8c5c3949d762a91f
dashboard link: https://syzkaller.appspot.com/bug?extid=4dfd96209d744263a972
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
patch: https://syzkaller.appspot.com/x/patch.diff?x=17d4d0f9580000

Note: testing is done by a robot and is best-effort only.