bisecting fixing commit since 53bd76690e27f37c9df221a651a52cea04214da9
building syzkaller on 6c236867ce33c0c16b102e02a08226d7eb9b2046
testing commit 53bd76690e27f37c9df221a651a52cea04214da9
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a4a863fa822e4a818bb9fdbda659f4a79e538b704e9766fa9da7bda73aaf1890
run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #1: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #2: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #3: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #4: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #5: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #6: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #7: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #8: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #9: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #10: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #11: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #12: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #13: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #14: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #15: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #16: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #17: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #18: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #19: OK
testing current HEAD c2276d585654e8d573366c29c565043ec36adf63
testing commit c2276d585654e8d573366c29c565043ec36adf63
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2df907525ada2d58f0a1f77b0df85d3476179c8a8d2a6b24674e5cead18f7437
run #0: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #1: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #2: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #3: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #4: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #5: crashed: SYZFAIL: netlink_send_ext: short netlink read
run #6: OK
run #7: OK
run #8: OK
run #9: OK
revisions tested: 2, total time: 35m3.249426972s (build: 16m54.015879407s, test: 17m40.051680967s)
the crash still happens on HEAD
commit msg: Linux 4.19.208
crash: SYZFAIL: netlink_send_ext: short netlink read
2021/09/30 15:10:25 executor failed 11 times: executor 4: exit status 67
SYZFAIL: netlink_send_ext: short netlink read
read=6 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: netlink_send_ext: short netlink read
read=6 (errno 22: Invalid argument)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67