Re: [syzbot] [usb?] BUG: sleeping function called from invalid context in usb_tx_block

From: syzbot

Date: Wed Feb 25 2026 - 00:59:12 EST


Hello,

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

Reported-by: syzbot+74afbb6355826ffc2239@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+74afbb6355826ffc2239@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 6de23f81 Linux 7.0-rc1
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=163861aa580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f1500201919951cc
dashboard link: https://syzkaller.appspot.com/bug?extid=74afbb6355826ffc2239
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=137c7c4a580000

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