bisecting fixing commit since ddef1e8e3f6eb26034833b7255e3fa584d54a230
building syzkaller on b35fad31e9c2d4a970d051deff80ec7cc4c3e459
testing commit ddef1e8e3f6eb26034833b7255e3fa584d54a230
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 30f29b9ffde620159a9f4989e57e08871d6b20163010305bb4a43c70940be7e9
run #0: crashed: KASAN: use-after-free Read in tls_write_space
run #1: crashed: KASAN: use-after-free Read in tls_write_space
run #2: crashed: KASAN: use-after-free Read in tls_write_space
run #3: crashed: KASAN: use-after-free Read in tls_write_space
run #4: crashed: KASAN: use-after-free Read in tls_write_space
run #5: crashed: KASAN: use-after-free Read in tls_write_space
run #6: crashed: KASAN: use-after-free Read in tls_write_space
run #7: crashed: KASAN: use-after-free Read in tls_write_space
run #8: crashed: KASAN: use-after-free Read in tls_write_space
run #9: crashed: KASAN: use-after-free Read in tls_write_space
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 255f257a8fc35e207915ce44f27cacbfec4fcb73130046ceed635421d77a5f83
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 34m52.94402839s (build: 19m44.038275334s, test: 14m19.797179747s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
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