bisecting fixing commit since 996e435fd401de35df62ac943ab9402cfe85c430 building syzkaller on 2c1f2513486f21d26b1942ce77ffc782677fbf4e testing commit 996e435fd401de35df62ac943ab9402cfe85c430 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: f32cb4825361fffe2bfc56a60ae1b225a2c09caa382843176d1fe2bbded41f9a all runs: crashed: WARNING in sta_info_insert_rcu testing current HEAD 9e9fb7655ed585da8f468e29221f0ba194a5f613 testing commit 9e9fb7655ed585da8f468e29221f0ba194a5f613 arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration] arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration] arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration] arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration] arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration] revisions tested: 1, total time: 13m41.711130124s (build: 9m15.618040647s, test: 3m38.617626743s) bisection is inconclusive, the first good commit could be any of: 996e435fd401de35df62ac943ab9402cfe85c430 9e9fb7655ed585da8f468e29221f0ba194a5f613