ci2 starts bisection 2023-01-27 15:01:00.141399581 +0000 UTC m=+349951.121983026
bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on 512651955aad51ef5f916aa2d84732e84d1c5e48
ensuring issue is reproducible on original commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a

testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 031d1fd279ea27c419833d68cf0974d2dcf5e2914a126d0228a86b4e177fbcad
all runs: crashed: general protection fault in tcp_splice_read
testing current HEAD 3949d16100044eeb6723eca03b1038b469fb9ae8
testing commit 3949d16100044eeb6723eca03b1038b469fb9ae8 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c935f76c912bb674ee1d0055f172be48a61a2166bcb2d7a52ae553ec7813bf42
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m46.043793631s (build: 16m49.689609569s, test: 7m30.915396797s)
the crash still happens on HEAD
commit msg: Linux 4.14.304
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1