ci2 starts bisection 2025-08-05 13:46:59.859418666 +0000 UTC m=+13278.202496072
bisecting fixing commit since da3c5173c55f7a0cf65c967d864386c79dcba3f7
building syzkaller on 3d2f584ddab119da50e8a8d26765aa98d3b33c02
ensuring issue is reproducible on original commit da3c5173c55f7a0cf65c967d864386c79dcba3f7

testing commit da3c5173c55f7a0cf65c967d864386c79dcba3f7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: ac1ef7be3a69353888d7a919928bd8f5e06a1527e16471f366e12aa60845c4be
run #0: crashed: INFO: rcu detected stall in mas_store_prealloc
run #1: crashed: INFO: rcu detected stall in sys_exit_group
run #2: crashed: INFO: rcu detected stall in tc_modify_qdisc
run #3: crashed: INFO: rcu detected stall in mas_store_prealloc
run #4: crashed: INFO: rcu detected stall in sys_mprotect
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in wb_workfn
run #9: crashed: INFO: rcu detected stall in sys_execve
run #10: crashed: INFO: rcu detected stall in unwind_next_frame
run #11: crashed: INFO: rcu detected stall in gc_worker
run #12: crashed: INFO: rcu detected stall in sys_mprotect
run #13: crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet
run #14: crashed: INFO: rcu detected stall in gc_worker
run #15: crashed: INFO: rcu detected stall in rht_deferred_worker
run #16: crashed: INFO: rcu detected stall in gc_worker
run #17: crashed: INFO: rcu detected stall in sys_execve
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: crashed: INFO: rcu detected stall in cleanup_net
representative crash: INFO: rcu detected stall in mas_store_prealloc, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit da3c5173c55f7a0cf65c967d864386c79dcba3f7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: faef216b22d6870920293230a7d41ac471d546e540d6f9ac9a6146ee2fb5153a
run #0: crashed: INFO: rcu detected stall in sys_clone
run #1: crashed: INFO: rcu detected stall in hci_rx_work
run #2: crashed: INFO: rcu detected stall in vhci_write
run #3: crashed: INFO: rcu detected stall in smp_call_function
run #4: crashed: INFO: rcu detected stall in sys_clone
run #5: crashed: INFO: rcu detected stall in gc_worker
run #6: crashed: INFO: rcu detected stall in gc_worker
run #7: crashed: INFO: rcu detected stall in gc_worker
run #8: crashed: INFO: rcu detected stall in gc_worker
run #9: crashed: no output from test machine
representative crash: INFO: rcu detected stall in sys_clone, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
kconfig minimization: base=3829 full=7503 leaves diff=2070
split chunks (needed=false): <2070>
split chunk #0 of len 2070 into 5 parts
testing without sub-chunk 1/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit da3c5173c55f7a0cf65c967d864386c79dcba3f7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c6fde529245cdc220241016e7f390eb525bae346aa22fe7bb71521910cb8ced1
run #0: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00486ec30] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0042cc0f0] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc003efcaf0] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #3: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0042cc280] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #4: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc003efcbe0] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #5: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0077c6dc0] Location: Message:Quota 'CPUS' exceeded.  Limit: 750.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
run #6: OK
run #7: OK
run #8: OK
run #9: OK
revisions tested: 3, total time: 2h3m39.337229637s (build: 1h19m49.514948887s, test: 33m40.482432606s)
error: config minimization failed: unable to determine the verdict because of infra errors