bisecting fixing commit since 7f2c5eb458b8855655a19c44cd0043f7f83c595f
building syzkaller on 96dd36234d97bbf6b403f3a7f03cfc0296422879
testing commit 7f2c5eb458b8855655a19c44cd0043f7f83c595f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7a3f016f0b075447ffb1f496d97b39acb8e7df67a85bdc7da001459638268a1b
run #0: crashed: general protection fault 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: general protection fault 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: KASAN: use-after-free Read in __smc_diag_dump
run #8: crashed: general protection fault in __smc_diag_dump
run #9: crashed: general protection fault in __smc_diag_dump
run #10: crashed: general protection fault 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: KASAN: use-after-free Read in __smc_diag_dump
run #14: crashed: KASAN: use-after-free Read 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: KASAN: use-after-free Read in __smc_diag_dump
run #19: crashed: general protection fault in __smc_diag_dump
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2df577034365faba70caed51b23fd7c5d20a55b37c38ca9a3a79fe3dec8e4a1c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m45.849726092s (build: 19m29.911988721s, test: 6m43.329337934s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1