ci2 starts bisection 2023-09-27 06:28:27.912577248 +0000 UTC m=+1203039.941751352
bisecting fixing commit since c2cbfe5f51227dfe6ef7be013f0d56a32c040faa
building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27
ensuring issue is reproducible on original commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa

testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0e6c7ec011e3897b279b10ae43e440cbc516a21944f432f0378f421e124d5e00
run #0: crashed: unregister_netdevice: waiting for DEV to become free
run #1: crashed: unregister_netdevice: waiting for DEV to become free
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: unregister_netdevice: waiting for DEV to become free
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: unregister_netdevice: waiting for DEV to become free
run #6: crashed: unregister_netdevice: waiting for DEV to become free
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: unregister_netdevice: waiting for DEV to become free
run #10: crashed: unregister_netdevice: waiting for DEV to become free
run #11: crashed: unregister_netdevice: waiting for DEV to become free
run #12: crashed: unregister_netdevice: waiting for DEV to become free
run #13: crashed: unregister_netdevice: waiting for DEV to become free
run #14: crashed: unregister_netdevice: waiting for DEV to become free
run #15: crashed: INFO: rcu detected stall in corrupted
run #16: crashed: unregister_netdevice: waiting for DEV to become free
run #17: crashed: INFO: rcu detected stall in corrupted
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in corrupted
representative crash: unregister_netdevice: waiting for DEV to become free, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 066ed240f8247d5fb3f2bbaeac7d8487b1d1f0793f799964948155a76c842446
run #0: crashed: unregister_netdevice: waiting for DEV to become free
run #1: crashed: unregister_netdevice: waiting for DEV to become free
run #2: crashed: unregister_netdevice: waiting for DEV to become free
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: unregister_netdevice: waiting for DEV to become free
run #5: crashed: unregister_netdevice: waiting for DEV to become free
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
representative crash: unregister_netdevice: waiting for DEV to become free, types: [UNKNOWN HANG]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=7498 full=9690 leaves diff=1935
split chunks (needed=false): <1935>
split chunk #0 of len 1935 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f8cdaffc2521e951b9bc4e626db638895fac7cc5aa937c00f197656d8f297776
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: unregister_netdevice: waiting for DEV to become free
run #4: crashed: unregister_netdevice: waiting for DEV to become free
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4124c4f6dc300f2daeba09a86aa896ff6e63bdfb97629ff996ca5cba385005c2
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b68dbb32b6535d0811e3171b8237d7ceec7e62c1f61f4f2a635eee96a73b4605
all runs: OK
false negative chance: 0.000
testing without sub-chunk 4/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 870ddf5a8accf469a30927b16e4c1a1634bb33c94066458f53523302325c6ea6
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: unregister_netdevice: waiting for DEV to become free
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit c2cbfe5f51227dfe6ef7be013f0d56a32c040faa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 548ebca7a1ffd7209ec0ef17b23fcc6bd77f9258a02ef9803404b28b442acec1
run #0: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '8472879674131739902') ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '6294541978843525024') ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-8528175027155107903') ForceSendFields:[] NullFields:[]}.
run #3: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-3018913175607375867') ForceSendFields:[] NullFields:[]}.
run #4: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-1243847928440711315') ForceSendFields:[] NullFields:[]}.
run #5: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-7956049524370839453') ForceSendFields:[] NullFields:[]}.
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: OK
representative crash: INFO: rcu detected stall in corrupted, types: [HANG]
revisions tested: 7, total time: 1h53m58.187887171s (build: 41m0.670040016s, test: 1h10m40.446262225s)
error: config minimization failed: unable to determine the verdict because of infra errors