syzkaller: make target failed: failed to run ["make" "target"]: exit status 2 (4)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:
git tree: https://github.com/google/syzkaller.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=15e4387a900000
dashboard link: https://syzkaller.appspot.com/bug?extid=f5f98e1608b272285aa5
compiler: go version go1.14.3 linux/amd64

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f5f98e...@syzkaller.appspotmail.com



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[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:
git tree: https://github.com/google/syzkaller.git master

console output: https://syzkaller.appspot.com/x/log.txt?x=1494ba1c900000
dashboard link: https://syzkaller.appspot.com/bug?extid=60975dbb01c208201cfa

compiler: go version go1.14.3 linux/amd64

IMPORTANT: if you fix the issue, please add the following tag to the commit:

Reported-by: syzbot+60975d...@syzkaller.appspotmail.com

[Dmitry Vyukov]

Hi Stefano,

We've got build breakages on most syzbot instances with:

executor/common_linux.h: In function ‘volatile long int
syz_fuse_handle_req(long int, long int, long int, long int)’:
executor/common_linux.h:4414:7: error: ‘FUSE_LSEEK’ was not declared
in this scope

Please take a look.

Linux unfortunately does not work this way -- everything that's now
hermetic only "works on your machine".
See: https://github.com/google/syzkaller/blob/master/docs/pseudo_syscalls.md#external-dependencies

[Dmitry Vyukov]

Filed https://github.com/google/syzkaller/issues/2055 to catch such
breakages earlier.

[Stefano Duo]

Hi Dmitry,

Thanks for pointing this out, I would have missed it.
This should fix it https://github.com/google/syzkaller/pull/2056.

Cheers,

Stefano

[Dmitry Vyukov]

Fixed with https://github.com/google/syzkaller/commit/6fe61c6bc722931e08eefbbcf3a270af74997ef8
#syz invalid

On Sat, Aug 15, 2020 at 1:41 AM syzbot

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[Dmitry Vyukov]

Fixed with https://github.com/google/syzkaller/commit/6fe61c6bc722931e08eefbbcf3a270af74997ef8
#syz invalid