bisecting fixing commit since dfb571610ba392179348c8472bfb131d4173d585
building syzkaller on f89ed068375b8e31b9575a0ecc834c602657a9a9
testing commit dfb571610ba392179348c8472bfb131d4173d585
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5566fb98b683332bc3f696482acd5b23ff64004a2890d5b14c1ef4ad68ee8c8c
all runs: crashed: SYZFAIL: netlink_send_ext: short netlink write
testing current HEAD 59456c9cc40c8f75b5a7efa0fe1f211d9c6fcaf1
testing commit 59456c9cc40c8f75b5a7efa0fe1f211d9c6fcaf1
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 99a7e0bd008e5f60ea74a25f6aa4a42821f6fef49f77767cd450c190fa9c38a2
all runs: crashed: SYZFAIL: netlink_send_ext: short netlink write
revisions tested: 2, total time: 25m40.894383031s (build: 18m24.814304788s, test: 6m41.064165375s)
the crash still happens on HEAD
commit msg: Linux 4.19.204
crash: SYZFAIL: netlink_send_ext: short netlink write
2021/08/17 14:38:34 executed programs: 638
2021/08/17 14:38:38 result: hanged=false err=executor 4: exit status 67
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
wrote=-1, want=36 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/08/17 14:38:46 executed programs: 1238
2021/08/17 14:38:48 result: hanged=false err=executor 4: exit status 67
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
wrote=-1, want=36 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67