bisecting fixing commit since ddef1e8e3f6eb26034833b7255e3fa584d54a230
building syzkaller on b35fad31e9c2d4a970d051deff80ec7cc4c3e459
testing commit ddef1e8e3f6eb26034833b7255e3fa584d54a230
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9afac16008d1b7cba983e6b1b511a48acdc566c17d416754cde21b5ea34fe3e1
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: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: crashed: KASAN: use-after-free Read in tls_write_space
run #14: crashed: KASAN: use-after-free Read in tls_write_space
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9da087525e04c068b2b710db1a55d61fd3006985e5b302e3bf6ec99ed4c90973
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 40m29.275768222s (build: 24m16.64762054s, test: 15m17.524036508s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1