bisecting fixing commit since f6e27dbb1afabcba436e346d6aa88a592a1436bb
building syzkaller on f3f7d9c8c3dfa1406a5f5a5f5f45a351f533139f
testing commit f6e27dbb1afabcba436e346d6aa88a592a1436bb
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ed07ba6cdb5fc85fbd02cf509ba7d9bdfd7f4a844655e0add2aad2b629195b2e
run #0: crashed: KASAN: use-after-free Read in nr_release
run #1: crashed: KASAN: use-after-free Read in nr_release
run #2: crashed: KASAN: use-after-free Read in nr_release
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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
reproducer seems to be flaky
testing current HEAD 0447aa205abe1c0c016b4f7fa9d7c08d920b5c8e
testing commit 0447aa205abe1c0c016b4f7fa9d7c08d920b5c8e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: cbff2584d090ce236572fb8e037289267feb0bb4660bd90bde38dd48fecac185
all runs: crashed: unregister_netdevice: waiting for DEV to become free
Reproducer flagged being flaky
revisions tested: 2, total time: 28m30.930855858s (build: 15m27.487766819s, test: 12m21.311303528s)
the crash still happens on HEAD
commit msg: Linux 4.14.254
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