Same here but for other module. gcc crash backtrace: Reading symbols from x86_64-linux-gnu-gcc-10...
[40/49038] (No debugging symbols found in x86_64-linux-gnu-gcc-10) (gdb) set follow-fork-mode child (gdb) run Starting program: /usr/bin/x86_64-linux-gnu-gcc-10 -Wp,-MMD,drivers/media/pci/cobalt/.cobalt-i2c.o.d -nostdinc -I/srv/vlxc/kernel/mainline-stable/arch/x86/include -I./arch/x86/include/generated -I/srv/vlxc/kernel/mainline-stable/include -I./include -I/srv/vlxc/kernel/mainline-stable/arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I/srv/vlxc/kernel/mainline-stable/include/uapi -I./include/generated/uapi -include /srv/vlxc/kernel/mainline-stable/include/linux/compiler-version.h -include /srv/vlxc/kernel/mainline-stable/include/linux/kconfig.h -include /srv/vlxc/kernel/mainline-stable/include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=/srv/vlxc/kernel/mainline-stable/= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu11 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -mfunction-return=thunk-extern -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-main -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fcf-protection=none -fno-stack-clash-protection -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wcast-function-type -Wno-stringop-truncation -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -Wno-alloc-size-larger-than -Wimplicit-fallthrough=5 -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -g -gdwarf-5 -fsanitize=bounds -fsanitize=shift -fsanitize=bool -fsanitize=enum -I /srv/vlxc/kernel/mainline-stable/drivers/media/pci/cobalt -I ./drivers/media/pci/cobalt -DMODULE -DPKG_ABI=613 -DKBUILD_BASENAME=\"cobalt_i2c\" -DKBUILD_MODNAME=\"cobalt\" -D__KBUILD_MODNAME=kmod_cobalt -c -o drivers/media/pci/cobalt/cobalt-i2c.o /srv/vlxc/kernel/mainline-stable/drivers/media/pci/cobalt/cobalt-i2c.c [Attaching after process 1415123 vfork to child process 1415127] [New inferior 2 (process 1415127)] [Detaching vfork parent process 1415123 after child exec] [Inferior 1 (process 1415123) detached] process 1415127 is executing new program: /usr/lib/gcc/x86_64-linux-gnu/10/cc1 Thread 2.1 "cc1" received signal SIGSEGV, Segmentation fault. [Switching to process 1415127] 0x0000000001145884 in set_min_and_max_values_for_integral_type(tree_node*, int, signop) () (gdb) bt #0 0x0000000001145884 in set_min_and_max_values_for_integral_type(tree_node*, int, signop) () #1 0x0000000001145a45 in fixup_signed_type(tree_node*) () #2 0x0000000000d699df in build_nonstandard_integer_type(unsigned long, int) () #3 0x0000000000fa43fa in ?? () #4 0x0000000000f3215e in walk_non_aliased_vuses(ao_ref*, tree_node*, bool, void* (*)(ao_ref*, tree_node*, void*), void* (*)(ao_ref*, tree_node*, void*, translate_flags*), tree_node* (*)(tree_node*), unsigned int&, void*) () #5 0x0000000000f29fc9 in vn_reference_lookup(tree_node*, tree_node*, vn_lookup_kind, vn_reference_s**, bool, tree_node**, tree_node*) () #6 0x0000000000f25b5c in ?? () #7 0x0000000000f24971 in ?? () #8 0x0000000000f20952 in ?? () #9 0x00000000011e8801 in ?? () #10 0x0000000000da0213 in execute_one_pass(opt_pass*) () #11 0x0000000000de9a55 in execute_pass_list(function*, opt_pass*) () #12 0x0000000000db8342 in do_per_function_toporder(void (*)(function*, void*), void*) () #13 0x000000000117824e in execute_ipa_pass_list(opt_pass*) () #14 0x00000000011772a6 in symbol_table::compile() () #15 0x0000000001175783 in symbol_table::finalize_compilation_unit() () #16 0x000000000115f26f in ?? () #17 0x000000000112f2ca in toplev::main(int, char**) () #18 0x000000000112e6cc in main ()