ci starts bisection 2024-10-25 15:12:11.743485045 +0000 UTC m=+95.605985016
bisecting cause commit starting from c2ee9f594da826bea183ed14f2cc029c719bf4da
building syzkaller on 9fc8fe026baab9959459256f2d47f4bbf21d405a
ensuring issue is reproducible on original commit c2ee9f594da826bea183ed14f2cc029c719bf4da

testing commit c2ee9f594da826bea183ed14f2cc029c719bf4da gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 58ab0eb89d7c017893d6a4cb54ddaba1f245c077fcf1d7cd8d94b30cc549c334
all runs: crashed: kernel BUG in binder_alloc_deferred_release
representative crash: kernel BUG in binder_alloc_deferred_release, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit c2ee9f594da826bea183ed14f2cc029c719bf4da gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0aa2820364ceb8b1e1c7d592ed5bb0ab2d9c31e0c751babc4f5e11638e23d19f
all runs: crashed: kernel BUG in binder_alloc_deferred_release
representative crash: kernel BUG in binder_alloc_deferred_release, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
kconfig minimization: base=4046 full=8193 leaves diff=2108
split chunks (needed=false): <2108>
split chunk #0 of len 2108 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit c2ee9f594da826bea183ed14f2cc029c719bf4da gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 61761f15cd6d4158510a110abdd79370c400f646e1cb8270a126e93a7294eebc
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit c2ee9f594da826bea183ed14f2cc029c719bf4da gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fe6da9a698537746e3b4d3d832e2b4424be7fc30c4345c28ba2d88e8c75cd193
all runs: crashed: kernel BUG in binder_alloc_deferred_release
representative crash: kernel BUG in binder_alloc_deferred_release, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit c2ee9f594da826bea183ed14f2cc029c719bf4da gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: da04d004d4aa4353ae0dac74cd1eee143b5e9acc60d40290bca1ee31e5299c8d
repro testing failure: failed to create VM pool: failed to create GCE image: failed to get create image operation operation-1729878028904-625509d6ae823-5a0983a6-6dd143ac: googleapi: Error 503: Authentication backend unavailable., backendError
revisions tested: 5, total time: 2h31m1.259867567s (build: 51m0.47419733s, test: 26m15.094286174s)
error: config minimization failed: repro testing failure: failed to create VM pool: failed to create GCE image: failed to get create image operation operation-1729878028904-625509d6ae823-5a0983a6-6dd143ac: googleapi: Error 503: Authentication backend unavailable., backendError