On Mon, Feb 5, 2018 at 8:41 PM, Alexey Dobriyan <[email protected]> wrote: > On Mon, Feb 05, 2018 at 09:58:01AM -0800, syzbot wrote: >> proc_dir_entry 'ipt_CLUSTERIP/172.20.0.170' already registered >> WARNING: CPU: 1 PID: 4074 at fs/proc/generic.c:330 > >> proc_create_data+0xf8/0x180 fs/proc/generic.c:494 >> clusterip_config_init net/ipv4/netfilter/ipt_CLUSTERIP.c:250 [inline] > > Dima, this warning is never about /proc but always about some other code > registering duplicate /proc entry. > > I don't know how easily scriptable is mail sender but you want to look at > the second line in the backtrace.
Hi Alexey, This is now fixed with: https://github.com/google/syzkaller/commit/645ce5da79c9654c314f0d12f4c11f2a94ec156b In particular tests for this report: https://github.com/google/syzkaller/blob/master/pkg/report/testdata/linux/report/181 https://github.com/google/syzkaller/blob/master/pkg/report/testdata/linux/guilty/30 Thanks for the suggestion.

