bisecting fixing commit since ff33472c282e209da54cbc0c7c1c06ddfcc93d33
building syzkaller on 1656845f45f284c574eb4f8bfe85dd7916a47a3a
testing commit ff33472c282e209da54cbc0c7c1c06ddfcc93d33
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3147f02ae40596b41506a8e071c200f6fe9f908f568238bba4d5a6273ffb085c
run #0: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #1: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #2: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #3: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #4: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #5: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #6: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #7: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #8: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #9: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #10: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #11: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #12: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #13: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #14: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #15: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #16: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #17: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
run #18: crashed: kernel BUG in tls_push_record
run #19: crashed: KASAN: slab-out-of-bounds Read in tls_push_record
testing current HEAD ed99bf0e81b558df39f7db2fa96d0228be4198c6
testing commit ed99bf0e81b558df39f7db2fa96d0228be4198c6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 792861a0e34d05f8f1d541f8c39f8cf89123029e20015db24d00bce4ad098e98
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m17.064270726s (build: 21m32.623374066s, test: 6m40.885238458s)
the crash still happens on HEAD
commit msg: Linux 4.14.250
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1