Re: [syzbot] [jfs?] KASAN: slab-use-after-free Read in lbmIODone

From: syzbot

Date: Sat Apr 18 2026 - 01:56:08 EST


Hello,

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

failed to apply patch:
checking file fs/jfs/jfs_logmgr.c
Hunk #1 FAILED at 1984.
Hunk #2 FAILED at 2192.
Hunk #3 succeeded at 2217 (offset -2 lines).
Hunk #4 FAILED at 2271.
Hunk #5 succeeded at 2296 (offset -4 lines).
3 out of 5 hunks FAILED



Tested on:

commit: c7275b05 Add linux-next specific files for 20260417
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
kernel config: https://syzkaller.appspot.com/x/.config?x=4660d1ff2985517b
dashboard link: https://syzkaller.appspot.com/bug?extid=ecf51a7ccb6b1394e90c
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=174f24ce580000