Re: kernel BUG at lib/string.c:LINE! (6)

2020-12-22 Thread Florian Westphal
Linus Torvalds wrote: > On Tue, Dec 22, 2020 at 6:44 AM syzbot > wrote: > > > > The issue was bisected to: > > > > commit 2f78788b55ba ("ilog2: improve ilog2 for constant arguments") > > That looks unlikely, although possibly some constant folding > improvement might make the fortify code notice

Re: kernel BUG at lib/string.c:LINE! (6)

2020-12-22 Thread Linus Torvalds
On Tue, Dec 22, 2020 at 6:44 AM syzbot wrote: > > The issue was bisected to: > > commit 2f78788b55ba ("ilog2: improve ilog2 for constant arguments") That looks unlikely, although possibly some constant folding improvement might make the fortify code notice something with it. > detected buffer ov

kernel BUG at lib/string.c:LINE! (6)

2020-12-22 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:d64c6f96 Merge tag 'net-5.11-rc1' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10bc561350 kernel config: https://syzkaller.appspot.com/x/.config?x=aca0dc5c721fe9e5 das