Hi all, On Fri, 8 May 2020 04:54:02 +0530 Madhuparna Bhowmik <madhuparnabhowmik10@xxxxxxxxx> wrote: > > On Thu, May 07, 2020 at 08:50:55AM -0400, Qian Cai wrote: > > > > > > > On May 7, 2020, at 5:32 AM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > > > > > > On Thu, May 7, 2020 at 11:26 AM syzbot > > > <syzbot+761cff389b454aa387d2@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > >> > > >> Hello, > > >> > > >> syzbot found the following crash on: > > >> > > >> HEAD commit: 6b43f715 Add linux-next specific files for 20200507 > > >> git tree: linux-next > > >> console output: https://syzkaller.appspot.com/x/log.txt?x=16f64370100000 > > >> kernel config: https://syzkaller.appspot.com/x/.config?x=ef9b7a80b923f328 > > >> dashboard link: https://syzkaller.appspot.com/bug?extid=761cff389b454aa387d2 > > >> compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > >> > > >> Unfortunately, I don't have any reproducer for this crash yet. > > >> > > >> IMPORTANT: if you fix the bug, please add the following tag to the commit: > > >> Reported-by: syzbot+761cff389b454aa387d2@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > > > > > > +linux-next for linux-next boot breakage > > > > Amol, Madhuparna, Is either of you still working on this? > > > > >> ============================= > > >> WARNING: suspicious RCU usage > > >> 5.7.0-rc4-next-20200507-syzkaller #0 Not tainted > > >> ----------------------------- > > >> net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!! > > >> > I had some doubt in this one, I have already mailed the maintainers, > waiting for their reply. This is blocking syzbot testing of linux-next ... are we getting anywhere? Will a patch similar to the ipmr.c one help here? -- Cheers, Stephen Rothwell
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