bisecting fixing commit since 2d19be4653f5e74ed95560b69f94eb6791d49af3
building syzkaller on 06ed56cd22e24a55c40d152880b66b108834c8f2
testing commit 2d19be4653f5e74ed95560b69f94eb6791d49af3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 40a321598bbf151136164bbca691584d260017182c2cc04337d9d4602236d4a8
run #0: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #1: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #2: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #3: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #4: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #5: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #6: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #7: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #8: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #9: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #10: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #11: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #12: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #13: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #14: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #15: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #16: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #17: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #18: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
run #19: OK
testing current HEAD c2276d585654e8d573366c29c565043ec36adf63
testing commit c2276d585654e8d573366c29c565043ec36adf63
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c5927fc97045104049cf980068923593edf754a6157a8044e1d5967c12d50ef5
all runs: crashed: SYZFAIL: netlink_send_ext: bad netlink ack type
revisions tested: 2, total time: 32m40.711455062s (build: 16m48.253313671s, test: 15m18.756530842s)
the crash still happens on HEAD
commit msg: Linux 4.19.208
crash: SYZFAIL: netlink_send_ext: bad netlink ack type
2021/09/27 07:12:47 result: hanged=false err=executor 0: 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
2021/09/27 07:12:51 executed programs: 3797
2021/09/27 07:12:55 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
2021/09/27 07:12:56 executed programs: 3884