Re: [syzbot] [usb?] KASAN: slab-use-after-free Write in put_dev

From: syzbot

Date: Mon Aug 03 2026 - 15:29:12 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: pipe failed

SYZFAIL: pipe failed
(errno 12: Cannot allocate memory)
2026/08/03 19:18:22 executed programs: 4
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:39473->127.0.0.1:39654: read: connection reset by peer


Tested on:

commit: 075b7484 Linux 7.2-rc6
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12db5c9e580000
kernel config: https://syzkaller.appspot.com/x/.config?x=145fa60d73086782
dashboard link: https://syzkaller.appspot.com/bug?extid=6aa97991da41499aa852
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=154663b9580000