Re: [syzbot] [usb?] INFO: task hung in usb_port_suspend

[Alan Stern]

Syzkaller people:

What's going on here?  This was working earlier today...

Alan Stern

PS: Why doesn't syzkaller use a 12-digit SHA-1 code in the commit: line 
near the bottom below?  This has been the standard in the kernel 
community for years.

On Mon, Oct 14, 2024 at 05:45:02PM -0700, syzbot wrote:
> Hello,
> 
> syzbot tried to test the proposed patch but the build/boot failed:
> 
> kernel clean failed: failed to run ["make" "-j" "0" "ARCH=x86_64" "distclean"]: exit status 2
> make: the '-j' option requires a positive integer argument
> Usage: make [options] [target] ...
> Options:
>   -b, -m                      Ignored for compatibility.
>   -B, --always-make           Unconditionally make all targets.
>   -C DIRECTORY, --directory=DIRECTORY
>                               Change to DIRECTORY before doing anything.
>   -d                          Print lots of debugging information.
>   --debug[=FLAGS]             Print various types of debugging information.
>   -e, --environment-overrides
>                               Environment variables override makefiles.
>   -E STRING, --eval=STRING    Evaluate STRING as a makefile statement.
>   -f FILE, --file=FILE, --makefile=FILE
>                               Read FILE as a makefile.
>   -h, --help                  Print this message and exit.
>   -i, --ignore-errors         Ignore errors from recipes.
>   -I DIRECTORY, --include-dir=DIRECTORY
>                               Search DIRECTORY for included makefiles.
>   -j [N], --jobs[=N]          Allow N jobs at once; infinite jobs with no arg.
>   -k, --keep-going            Keep going when some targets can't be made.
>   -l [N], --load-average[=N], --max-load[=N]
>                               Don't start multiple jobs unless load is below N.
>   -L, --check-symlink-times   Use the latest mtime between symlinks and target.
>   -n, --just-print, --dry-run, --recon
>                               Don't actually run any recipe; just print them.
>   -o FILE, --old-file=FILE, --assume-old=FILE
>                               Consider FILE to be very old and don't remake it.
>   -O[TYPE], --output-sync[=TYPE]
>                               Synchronize output of parallel jobs by TYPE.
>   -p, --print-data-base       Print make's internal database.
>   -q, --question              Run no recipe; exit status says if up to date.
>   -r, --no-builtin-rules      Disable the built-in implicit rules.
>   -R, --no-builtin-variables  Disable the built-in variable settings.
>   -s, --silent, --quiet       Don't echo recipes.
>   --no-silent                 Echo recipes (disable --silent mode).
>   -S, --no-keep-going, --stop
>                               Turns off -k.
>   -t, --touch                 Touch targets instead of remaking them.
>   --trace                     Print tracing information.
>   -v, --version               Print the version number of make and exit.
>   -w, --print-directory       Print the current directory.
>   --no-print-directory        Turn off -w, even if it was turned on implicitly.
>   -W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE
>                               Consider FILE to be infinitely new.
>   --warn-undefined-variables  Warn when an undefined variable is referenced.
> 
> This program built for x86_64-pc-linux-gnu
> Report bugs to <bug-make@xxxxxxx>
> 
> 
> 
> Tested on:
> 
> commit:         8e929cb5 Linux 6.12-rc3
> git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git v6.12-rc3
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4510af5d637450fb
> dashboard link: https://syzkaller.appspot.com/bug?extid=f342ea16c9d06d80b585
> compiler:       
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=162e785f980000
>