bisecting fixing commit since 7f2c5eb458b8855655a19c44cd0043f7f83c595f
building syzkaller on 96dd36234d97bbf6b403f3a7f03cfc0296422879
testing commit 7f2c5eb458b8855655a19c44cd0043f7f83c595f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0b96fc477f555df34d19e800f597a3e478764944f2e9550c7e15dbda1d0b8edf
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: KASAN: use-after-free Read in __smc_diag_dump
run #4: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #5: crashed: general protection fault 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: 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: general protection fault in __smc_diag_dump
run #16: crashed: general protection fault in __smc_diag_dump
run #17: crashed: general protection fault in __smc_diag_dump
run #18: crashed: KASAN: use-after-free Read in __smc_diag_dump
run #19: crashed: general protection fault in __smc_diag_dump
testing current HEAD 569d1abf9402e943bf00821a6e0b8e13bffde699
testing commit 569d1abf9402e943bf00821a6e0b8e13bffde699
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2bcd99ef82a8d8d80dc681733596e975e249d70b9f7a3ee29c5130161c4c8d10
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m33.909631161s (build: 21m20.082246552s, test: 6m13.25739665s)
the crash still happens on HEAD
commit msg: Linux 4.14.278
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1