bisecting fixing commit since dfb571610ba392179348c8472bfb131d4173d585
building syzkaller on f89ed068375b8e31b9575a0ecc834c602657a9a9
testing commit dfb571610ba392179348c8472bfb131d4173d585
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 266a867d42cf6d00d680ab4f7c55d73521d252fc8a510c2727cd6c5129fb6dd0
all runs: crashed: SYZFAIL: netlink_send_ext: short netlink write
testing current HEAD b172b44fcb1771e083aad806fa96f3f60e2ddfac
testing commit b172b44fcb1771e083aad806fa96f3f60e2ddfac
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c126577b854cfb6e7af8f2d91363c5fe863fe4119a368fe8d6ccf2873e7046b4
all runs: crashed: SYZFAIL: netlink_send_ext: short netlink write
revisions tested: 2, total time: 26m15.947690787s (build: 18m46.495823931s, test: 6m59.227354209s)
the crash still happens on HEAD
commit msg: Linux 4.19.206
crash: SYZFAIL: netlink_send_ext: short netlink write
2021/09/16 15:15:17 executed programs: 662
2021/09/16 15:15:22 result: hanged=false err=executor 2: exit status 67
SYZFAIL: netlink_send_ext: short netlink write
SYZFAIL: netlink_send_ext: short netlink write
SYZFAIL: netlink_send_ext: short netlink write
wrote=-1, want=36 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


SYZFAIL: netlink_send_ext: short netlink write
SYZFAIL: netlink_send_ext: short netlink write
SYZFAIL: netlink_send_ext: short netlink write
wrote=-1, want=36 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/09/16 15:15:29 executed programs: 1320