Re: [syzbot] [hfs?] possible deadlock in hfsplus_file_extend

From: syzbot
Date: Wed Oct 09 2024 - 19:23:13 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed

2024/10/09 23:22:11 ignoring optional flag "type"="gce"
2024/10/09 23:22:11 parsed 1 programs
2024/10/09 23:22:11 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed
(errno 16: Device or resource busy)


Tested on:

commit: ffcd06b6 hfs: convert hfs to use the new mount api
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=17b18f07980000
kernel config: https://syzkaller.appspot.com/x/.config?x=8420a89323bff217
dashboard link: https://syzkaller.appspot.com/bug?extid=325b61d3c9a17729454b
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.