Re: [syzbot] memory leak in ath9k_hif_usb_firmware_cb

[syzbot]

Hello,

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

BUG: mismatching fuzzer/manager system call descriptions: ADDR vs

Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts.
2021/04/27 04:58:02 fuzzer started
2021/04/27 04:58:02 connecting to host at 10.128.0.169:45317
2021/04/27 04:58:02 checking machine...
2021/04/27 04:58:02 checking revisions...
2021/04/27 04:58:02 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs


Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts.
2021/04/27 04:58:02 fuzzer started
2021/04/27 04:58:02 connecting to host at 10.128.0.169:45317
2021/04/27 04:58:02 checking machine...
2021/04/27 04:58:02 checking revisions...
2021/04/27 04:58:02 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs



Tested on:

commit: 4a0225c3 Merge tag 'spi-v5.13' of git://git.kernel.org/pub..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=65b2fe8b9aa7a049
dashboard link: https://syzkaller.appspot.com/bug?extid=6692c72009680f7c4eb2
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=15ff34b9d00000

[syzbot]

Hello,

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

BUG: mismatching fuzzer/manager system call descriptions: ADDR vs

Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts.
2021/04/27 05:05:19 fuzzer started
2021/04/27 05:05:19 connecting to host at 10.128.0.169:35149
2021/04/27 05:05:19 checking machine...
2021/04/27 05:05:19 checking revisions...
2021/04/27 05:05:19 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs


Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts.
2021/04/27 05:05:19 fuzzer started
2021/04/27 05:05:19 connecting to host at 10.128.0.169:35149
2021/04/27 05:05:19 checking machine...
2021/04/27 05:05:19 checking revisions...
2021/04/27 05:05:19 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs

Tested on:

commit: 4a0225c3 Merge tag 'spi-v5.13' of git://git.kernel.org/pub..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=65b2fe8b9aa7a049
dashboard link: https://syzkaller.appspot.com/bug?extid=6692c72009680f7c4eb2
compiler:

patch: https://syzkaller.appspot.com/x/patch.diff?x=1265f409d00000

[Dmitry Vyukov]

Hi Atul,

This was a bug in syzbot, should be fixed now with:
https://github.com/google/syzkaller/commit/014f83cfe8548dd81f0e9075515327651055a4a7

Let's try again:

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
4a0225c3

[syzbot]

Hello,

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

BUG: mismatching fuzzer/manager system call descriptions: ADDR vs

Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts.
2021/04/27 05:46:13 fuzzer started
2021/04/27 05:46:13 connecting to host at 10.128.0.169:40973
2021/04/27 05:46:13 checking machine...
2021/04/27 05:46:13 checking revisions...
2021/04/27 05:46:13 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs
syzkaller login:


Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts.
2021/04/27 05:46:13 fuzzer started
2021/04/27 05:46:13 connecting to host at 10.128.0.169:40973
2021/04/27 05:46:13 checking machine...
2021/04/27 05:46:13 checking revisions...
2021/04/27 05:46:13 BUG: mismatching fuzzer/manager system call descriptions: 2dc9d8123b5d3818e314f3fc57b34347102fe6fb vs
syzkaller login:

Tested on:

commit: 4a0225c3 Merge tag 'spi-v5.13' of git://git.kernel.org/pub..

git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel config: https://syzkaller.appspot.com/x/.config?x=65b2fe8b9aa7a049
dashboard link: https://syzkaller.appspot.com/bug?extid=6692c72009680f7c4eb2
compiler:

patch: https://syzkaller.appspot.com/x/patch.diff?x=12851f75d00000

[Dmitry Vyukov]

Yikes! The buggy syzkaller revision is saved with the reproducer.

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+6692c7...@syzkaller.appspotmail.com

Tested on:

commit: 4a0225c3 Merge tag 'spi-v5.13' of git://git.kernel.org/pub..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=65b2fe8b9aa7a049
dashboard link: https://syzkaller.appspot.com/bug?extid=6692c72009680f7c4eb2
compiler:

patch: https://syzkaller.appspot.com/x/patch.diff?x=14107bbdd00000

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

[Atul Gopinathan]

Thank you for pointing out the problem and resending the patch!
Appreciate the help.

Regards,
Atul