bisecting fixing commit since ddef1e8e3f6eb26034833b7255e3fa584d54a230
building syzkaller on b35fad31e9c2d4a970d051deff80ec7cc4c3e459
testing commit ddef1e8e3f6eb26034833b7255e3fa584d54a230
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 009972a3320eff09cd9f354316888c27f071f65003de4b2161a3eb934a7ffd12
run #0: basic kernel testing failed: timed out
run #1: basic kernel testing failed: timed out
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: crashed: KASAN: use-after-free Read in tls_write_space
testing current HEAD 9dfbac0e6b8600043de8dc85ed072f5f1342dc15
testing commit 9dfbac0e6b8600043de8dc85ed072f5f1342dc15
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c3f1c9b776b5af3e1dfce3098045a6e39ca1f3544d92603ea83d610d8463d6aa
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m25.376417748s (build: 15m6.532616877s, test: 16m29.953427006s)
the crash still happens on HEAD
commit msg: Linux 4.14.258
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