Re: [syzbot] [usb?] BUG: unable to handle kernel NULL pointer dereference in usb_reinit

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From: syzbot

Date: Fri Aug 21 2026 - 07:59:34 EST

Hello,

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

SYZFAIL: posix_spawnp failed
(errno 5: Input/output error)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:44127->127.0.0.1:33802: read: connection reset by peer

Tested on:

commit: 21d6ac05 Merge branch 'for-next/core' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=15083e79580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d1128bc53f2ef7f3
dashboard link: https://syzkaller.appspot.com/bug?extid=2ec7fc1793a63864d9d6
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
userspace arch: arm64
patch: https://syzkaller.appspot.com/x/patch.diff?x=173a9e79580000