On Tue, 12 Mar 2019, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > On Mon, Mar 11, 2019 at 08:59:00PM -0700, syzbot wrote: >> syzbot has bisected this bug to: >> >> commit 34e07e42c55aeaa78e93b057a6664e2ecde3fadb >> Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> >> Date: Thu Feb 8 10:54:48 2018 +0000 >> >> drm/i915: Add missing kerneldoc for 'ent' in i915_driver_init_early >> >> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13220283200000 >> start commit: 34e07e42 drm/i915: Add missing kerneldoc for 'ent' in i915.. >> git tree: upstream >> final crash: https://syzkaller.appspot.com/x/report.txt?x=10a20283200000 >> console output: https://syzkaller.appspot.com/x/log.txt?x=17220283200000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=abc3dc9b7a900258 >> dashboard link: https://syzkaller.appspot.com/bug?extid=1505c80c74256c6118a5 >> userspace arch: amd64 >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c4dc28c00000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15df4108c00000 >> >> Reported-by: syzbot+1505c80c74256c6118a5@xxxxxxxxxxxxxxxxxxxxxxxxx >> Fixes: 34e07e42 ("drm/i915: Add missing kerneldoc for 'ent' in >> i915_driver_init_early") > > Umm... Might be a good idea to add some plausibility filters - it is, > in theory, possible that adding a line in a comment changes behaviour > (without compiler bugs, even - playing with __LINE__ is all it would > take), but the odds that it's _not_ a false positive are very low. If it's not a false positive, it's bound to be good source material for IOCCC. BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx