bisecting fixing commit since 7f2c5eb458b8855655a19c44cd0043f7f83c595f
building syzkaller on 96dd36234d97bbf6b403f3a7f03cfc0296422879
testing commit 7f2c5eb458b8855655a19c44cd0043f7f83c595f with gcc (GCC) 8.4.1 20210217
kernel signature: 494f917a7f489de950dde515a151385e493424bc08ed430fe1b56b235a2da0a5
run #0: crashed: general protection fault in __smc_diag_dump
run #1: crashed: KASAN: use-after-free Read 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: KASAN: use-after-free Read in __smc_diag_dump
run #5: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #6: crashed: general protection fault in __smc_diag_dump
run #7: crashed: general protection fault in __smc_diag_dump
run #8: crashed: general protection fault in __smc_diag_dump
run #9: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #10: crashed: general protection fault in __smc_diag_dump
run #11: crashed: KASAN: use-after-free Read 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: KASAN: use-after-free Read 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: general protection fault in __smc_diag_dump
testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217
kernel signature: 180d2a64ad073d670bafca277b13c5a6ca820b8148638970404b84f44e057921
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m35.445169915s (build: 15m0.543505508s, test: 6m6.389605975s)
the crash still happens on HEAD
commit msg: Linux 4.14.237
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