On Thu, Aug 19, 2021 at 01:10:18AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 614cb2751d31 Merge tag 'trace-v5.14-rc6' of git://git.kern.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=130112c5300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f61012d0b1cd846f > dashboard link: https://syzkaller.appspot.com/bug?extid=13146364637c7363a7de > compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104d7cc5300000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1333ce0e300000 > > The issue was bisected to: > > commit a154d5d83d21af6b9ee32adc5dbcea5ac1fb534c > Author: Arnd Bergmann <arnd@xxxxxxxx> > Date: Mon Mar 4 20:38:03 2019 +0000 > > net: ignore sysctl_devconf_inherit_init_net without SYSCTL > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13f970b6300000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=100570b6300000 > console output: https://syzkaller.appspot.com/x/log.txt?x=17f970b6300000 In case it wasn't obvious, this is a bogus bisection. It's a bug ext4's inline_data support where there is a race between writing to an inline_data file against setting extended attributes on that same inline_data file. Fix is coming up.... - Ted
