ci2 starts bisection 2025-05-03 06:30:59.428473908 +0000 UTC m=+51970.737251264
bisecting fixing commit since 563edd786f0a115e983594efe6b0ae26fb7678fa
building syzkaller on d3ccff6372e07c6aabd02b5da419aa6492b5f0ad
ensuring issue is reproducible on original commit 563edd786f0a115e983594efe6b0ae26fb7678fa

testing commit 563edd786f0a115e983594efe6b0ae26fb7678fa gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 4fca227c285e5e6158b051b6784124bd21267c3ab395a243941a937cea2af7f8
all runs: crashed: INFO: task hung in filename_create
representative crash: INFO: task hung in filename_create, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 563edd786f0a115e983594efe6b0ae26fb7678fa gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 4100ff7760be1bea6c88ab746c16d22e31a4b7c8b37c733a3b88320cad17e98b
all runs: crashed: INFO: task hung in filename_create
representative crash: INFO: task hung in filename_create, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed
kconfig minimization: base=3827 full=7500 leaves diff=2071
split chunks (needed=false): <2071>
split chunk #0 of len 2071 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 563edd786f0a115e983594efe6b0ae26fb7678fa gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 5c4de374b49f8aa3d96b56048cbadf9dbe33c795417da0a2eb35cb5cd8311af6
repro testing failure: failed to create VM pool: failed to create GCE image: failed to get create image operation operation-1746256945413-6343620eafbe4-759f1dfa-8aa29021: googleapi: Error 503: The service is currently unavailable., backendError
revisions tested: 3, total time: 53m45.697913909s (build: 19m48.083068942s, test: 15m47.249753102s)
error: config minimization failed: repro testing failure: failed to create VM pool: failed to create GCE image: failed to get create image operation operation-1746256945413-6343620eafbe4-759f1dfa-8aa29021: googleapi: Error 503: The service is currently unavailable., backendError