[syzbot] linux-next build error (19)

[syzbot] linux-next build error (19)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    a13f6e0f405e Add linux-next specific files for 20250130
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=10221ddf980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3445081dab63716c
dashboard link: https://syzkaller.appspot.com/bug?extid=62ba359e1dfec1473c57
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+62ba359e1dfec1473c57@syzkaller.appspotmail.com

scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: dwarf.h: No such file or directory

---
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Re: [syzbot] linux-next build error (19)

[Sami Tolvanen]

On Thu, Jan 30, 2025 at 5:20 AM syzbot
<syzbot+62ba359e1dfec1473c57@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    a13f6e0f405e Add linux-next specific files for 20250130
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=10221ddf980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3445081dab63716c
> dashboard link: https://syzkaller.appspot.com/bug?extid=62ba359e1dfec1473c57
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+62ba359e1dfec1473c57@syzkaller.appspotmail.com
>
> scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: dwarf.h: No such file or directory

gendwarfksyms depends on libdw, so on a Debian system, I assume
libdw-dev would be required to build with CONFIG_GENDWARFKSYMS.

Sami

Re: [syzbot] linux-next build error (19)

[Aleksandr Nogikh]

On Thu, Jan 30, 2025 at 5:28 PM 'Sami Tolvanen' via syzkaller-bugs
<syzkaller-bugs@googlegroups.com> wrote:
>
> On Thu, Jan 30, 2025 at 5:20 AM syzbot
> <syzbot+62ba359e1dfec1473c57@syzkaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:    a13f6e0f405e Add linux-next specific files for 20250130
> > git tree:       linux-next
> > console output: https://syzkaller.appspot.com/x/log.txt?x=10221ddf980000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=3445081dab63716c
> > dashboard link: https://syzkaller.appspot.com/bug?extid=62ba359e1dfec1473c57
> > compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: syzbot+62ba359e1dfec1473c57@syzkaller.appspotmail.com
> >
> > scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: dwarf.h: No such file or directory
>
> gendwarfksyms depends on libdw, so on a Debian system, I assume
> libdw-dev would be required to build with CONFIG_GENDWARFKSYMS.

Thanks!
Adding libdw-dev has indeed fixed the build error.

#syz invalid

>
> Sami
>