bisecting fixing commit since 7f2c5eb458b8855655a19c44cd0043f7f83c595f
building syzkaller on 96dd36234d97bbf6b403f3a7f03cfc0296422879
testing commit 7f2c5eb458b8855655a19c44cd0043f7f83c595f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1e3397ad2f80b4da26ab3d382c2831546d469813944299b47c506adb73e0fc66
run #0: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #1: crashed: general protection fault in __smc_diag_dump
run #2: crashed: general protection fault in __smc_diag_dump
run #3: crashed: general protection fault in __smc_diag_dump
run #4: crashed: general protection fault in __smc_diag_dump
run #5: crashed: general protection fault in __smc_diag_dump
run #6: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #7: crashed: general protection fault in __smc_diag_dump
run #8: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #9: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #10: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #11: crashed: general protection fault in __smc_diag_dump
run #12: crashed: general protection fault in __smc_diag_dump
run #13: crashed: general protection fault in __smc_diag_dump
run #14: crashed: general protection fault in __smc_diag_dump
run #15: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #16: crashed: general protection fault in __smc_diag_dump
run #17: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #18: crashed: general protection fault in __smc_diag_dump
run #19: crashed: KASAN: use-after-free Read in __smc_diag_dump
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a1d3626c5d4c26f3b901032188c3e342116cf966b462aac0aa7519751125dd4b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m29.901472581s (build: 20m38.602980753s, test: 6m19.962717621s)
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