Buildresult: crypto/x86_64-allmodconfig/x86_64-gcc11 built on Jan 31 2022, 12:36

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Status:	OK
Date/Time:	Jan 31 2022, 12:36
Duration:	0:57:18.250516
Builder:	ka2
Revision:	crypto: octeontx2 - Avoid stack variable overflow (`47307c31d90ae7d52cebbbc7c1d4ff213213d4e9)`
Target:	crypto/x86_64-allmodconfig/x86_64-gcc11
Branch:	crypto
Compiler:	x86_64-gcc11 (x86_64-linux-gcc (GCC) 11.1.0 / GNU ld (GNU Binutils) 2.36.1)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (14) vmlinux.o: warning: objtool: __do_fast_syscall_32()+0xa: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_syscall_64()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_general_protection()+0x22: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: fixup_bad_iret()+0x20: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_start()+0x5c: call to __kasan_check_write() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_gather_info()+0x5f: call to v8086_mode.constprop.0() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_read_aux()+0x8a: call to mca_msr_reg() leaves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x27: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_severity_amd.constprop.0()+0xca: call to mce_severity_amd_smca() leaves .noinstr.text section vmlinux.o: warning: objtool: .text+0x533ae: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x143: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x10eb: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x17f9: call to stackleak_erase() leaves .noinstr.text section Full Log # git rev-parse -q --verify 47307c31d90ae7d52cebbbc7c1d4ff213213d4e9^{commit} 47307c31d90ae7d52cebbbc7c1d4ff213213d4e9 already have revision, skipping fetch # git checkout -q -f -B kisskb 47307c31d90ae7d52cebbbc7c1d4ff213213d4e9 # git clean -qxdf # < git log -1 # commit 47307c31d90ae7d52cebbbc7c1d4ff213213d4e9 # Author: Kees Cook <keescook@chromium.org> # Date: Wed Jan 12 12:38:11 2022 -0800 # # crypto: octeontx2 - Avoid stack variable overflow # # Building with -Warray-bounds showed a stack variable array index # overflow. Increase the expected size of the array to avoid the warning: # # In file included from ./include/linux/printk.h:555, # from ./include/asm-generic/bug.h:22, # from ./arch/x86/include/asm/bug.h:84, # from ./include/linux/bug.h:5, # from ./include/linux/mmdebug.h:5, # from ./include/linux/gfp.h:5, # from ./include/linux/firmware.h:7, # from drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:5: # drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c: In function 'otx2_cpt_print_uc_dbg_info': # ./include/linux/dynamic_debug.h:162:33: warning: array subscript 4 is above array bounds of 'u32[4]' {aka 'unsigned int[4]'} [-Warray-bounds] # 162 \| _dynamic_func_call(fmt, __dynamic_pr_debug, \ # \| ^ # ./include/linux/dynamic_debug.h:134:17: note: in definition of macro '__dynamic_func_call' # 134 \| func(&id, ##__VA_ARGS__); \ # \| ^~~~ # ./include/linux/dynamic_debug.h:162:9: note: in expansion of macro '_dynamic_func_call' # 162 \| _dynamic_func_call(fmt, __dynamic_pr_debug, \ # \| ^~~~~~~~~~~~~~~~~~ # ./include/linux/printk.h:570:9: note: in expansion of macro 'dynamic_pr_debug' # 570 \| dynamic_pr_debug(fmt, ##__VA_ARGS__) # \| ^~~~~~~~~~~~~~~~ # drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1807:41: note: in expansion of macro 'pr_debug' # 1807 \| pr_debug("Mask: %8.8x %8.8x %8.8x %8.8x %8.8x", # \| ^~~~~~~~ # drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c:1765:13: note: while referencing 'mask' # 1765 \| u32 mask[4]; # \| ^~~~ # # This is justified because the mask size (eng_grps->engs_num) can be at # most 144 (OTX2_CPT_MAX_ENGINES bits), which is larger than available # storage. 4 * 32 == 128, so this must be 5: 5 * 32bit = 160. # # Additionally clear the mask before conversion so trailing bits are zero. # # Cc: Herbert Xu <herbert@gondor.apana.org.au> # Cc: Boris Brezillon <bbrezillon@kernel.org> # Cc: Arnaud Ebalard <arno@natisbad.org> # Cc: Srujana Challa <schalla@marvell.com> # Cc: "David S. Miller" <davem@davemloft.net> # Cc: Suheil Chandran <schandran@marvell.com> # Cc: Shijith Thotton <sthotton@marvell.com> # Cc: Lukasz Bartosik <lbartosik@marvell.com> # Cc: linux-crypto@vger.kernel.org # Fixes: d9d7749773e8 ("crypto: octeontx2 - add apis for custom engine groups") # Acked-by: Ard Biesheuvel <ardb@kernel.org> # Signed-off-by: Kees Cook <keescook@chromium.org> # Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 47307c31d90ae7d52cebbbc7c1d4ff213213d4e9 # < make -s -j 8 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 8 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 8 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 8 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/x86_64-linux/bin/x86_64-linux- vmlinux.o: warning: objtool: __do_fast_syscall_32()+0xa: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_syscall_64()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x9: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: exc_general_protection()+0x22: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: fixup_bad_iret()+0x20: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_start()+0x5c: call to __kasan_check_write() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_gather_info()+0x5f: call to v8086_mode.constprop.0() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_read_aux()+0x8a: call to mca_msr_reg() leaves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x27: call to stackleak_track_stack() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_severity_amd.constprop.0()+0xca: call to mce_severity_amd_smca() leaves .noinstr.text section vmlinux.o: warning: objtool: .text+0x533ae: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x143: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x10eb: call to stackleak_erase() leaves .noinstr.text section vmlinux.o: warning: objtool: .entry.text+0x17f9: call to stackleak_erase() leaves .noinstr.text section Completed OK # rm -rf /kisskb/build/crypto_x86-allmodconfig_x86_64-gcc11 # Build took: 0:57:18.250516

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