Bug#1027456: gcc-10: gcc segfaults when compiling drivers/media/pci/cobalt/cobalt-i2c.o in linux kernel 6.1.3
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 ()
Reply to: