bisecting fixing commit since 2d19be4653f5e74ed95560b69f94eb6791d49af3
building syzkaller on 06ed56cd22e24a55c40d152880b66b108834c8f2
testing commit 2d19be4653f5e74ed95560b69f94eb6791d49af3 with gcc (GCC) 8.4.1 20210217
kernel signature: 425ed1c3765b689915026622ad5237723d353374ad8207cd3394528d079045a0
all runs: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
testing current HEAD eb575cd5d7f60241d016fdd13a9e86d962093c9b
testing commit eb575cd5d7f60241d016fdd13a9e86d962093c9b with gcc (GCC) 8.4.1 20210217
kernel signature: 07f504cb02807cb0ba40bc90819f810cb8406ac1b8c73435a46e553e10a15a30
all runs: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
revisions tested: 2, total time: 29m6.840010139s (build: 15m41.45398456s, test: 12m57.550292389s)
the crash still happens on HEAD
commit msg: Linux 4.19.195
crash: SYZFAIL: netlink_send_ext: bad netlink ack type
2021/06/29 04:09:42 result: hanged=false err=executor 2: exit status 67
SYZFAIL: netlink_send_ext: bad netlink ack type
type=35 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


SYZFAIL: netlink_send_ext: bad netlink ack type
type=35 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/06/29 04:09:42 executed programs: 1678
2021/06/29 04:09:46 result: hanged=false err=executor 4: exit status 67
SYZFAIL: netlink_send_ext: bad netlink ack type
type=35 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


SYZFAIL: netlink_send_ext: bad netlink ack type
type=35 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/06/29 04:09:49 executed programs: 1713