bisecting fixing commit since 78d697fc93f98054e36a3ab76dca1a88802ba7be
building syzkaller on b655d91b8cb3b60be16c940d7bf4b192c2624a7b
testing commit 78d697fc93f98054e36a3ab76dca1a88802ba7be
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b3a5de752fc4c116144ba7040596784218bf4080598375770b52fe7cf8af5004
all runs: crashed: possible deadlock in uart_write
testing current HEAD f6b016a9d961296d2db609d0259654371625e22e
testing commit f6b016a9d961296d2db609d0259654371625e22e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: dd36d98919a203a492125c5b1569dc8d697b95c4ce87eef354db7600e0f524f8
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m3.024400213s (build: 17m1.893234913s, test: 8m55.468006086s)
the crash still happens on HEAD
commit msg: Linux 4.14.251
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1