force: #82: : [TCWG CI] https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/82/

Results :
  | # reset_artifacts:
  | -10
  | # build_abe binutils:
  | -9
  | # build_kernel_llvm:
  | -5
  | # build_abe qemu:
  | -2
  | # linux_n_obj:
  | 22000
  | # First few build errors in logs:
  |
  | # 00:07:50 lib/test_scanf.c:661:2: error: implicit conversion from 'int' to 'unsigned char' changes value from -168 to 88 [-Werror,-Wconstant-conversion]
  | # 00:07:50 make[3]: *** [scripts/Makefile.build:243: lib/test_scanf.o] Error 1
  | # 00:10:07 drivers/video/fbdev/neofb.c:1959:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1963:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1967:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1971:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1978:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1985:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
  | # 00:10:07 drivers/video/fbdev/neofb.c:1992:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
  | # 00:10:07 make[5]: *** [scripts/Makefile.build:243: drivers/video/fbdev/neofb.o] Error 1

check_regression status : 1

1 files changed, 47 insertions, 10 deletions

diff --git a/notify/mail-body.txt b/notify/mail-body.txt
index cb39d19..f86f962 100644
--- a/notify/mail-body.txt
+++ b/notify/mail-body.txt
@@ -4,13 +4,17 @@ follow up on linaro-toolchain@lists.linaro.org mailing list.
 
 In CI config tcwg_kernel/llvm-master-aarch64-mainline-allyesconfig after:
 
-  | llvm commits:
-  | 27da15381cbe2ac6fd1319f6409dbbab9a857b7b [X86] __builtin_cpu_supports: support x86-64{,-v2,-v3,-v4}
-  | 9de3b35ac9159d5bae6e6796cb91e4f877a07189 [X86][test] Test that target("x86-64") and cpu_specific(x86_64) attributes are invalid
-  | 0a4fc4ac1c6e74eba7eb184d3da11772a06df65f Revert "Emit the CodeView `S_ARMSWITCHTABLE` debug symbol for jump tables"
-  | 08ed557714eed7f5cde9d1c5606f58280683884a [mlir] mlir-opt: Fix linking after 7c4e8c6a273f2 .
-  | b9deec1cd9ca6ad196c45193f49abc550b6dc662 [BOLT] Fix cross-compilation build
-  | ... and 397 more
+  | commit 0c9c9dd9a24f9d715d950fef0ac7aae01437af96
+  | Author: Takuya Shimizu <shimizu2486@gmail.com>
+  | Date:   Sat Aug 26 14:41:05 2023 +0900
+  | 
+  |     [clang][Sema] Add truncation warning on fortified snprintf
+  |     
+  |     This patch warns on snprintf calls whose n argument is known to be smaller than the size of the formatted string like
+  |     
+  |     ```
+  |     char buf[5];
+  | ... 7 lines of the commit log omitted.
 
 Results changed to
 # reset_artifacts:
@@ -22,7 +26,19 @@ Results changed to
 # build_abe qemu:
 -2
 # linux_n_obj:
-22011
+22000
+# First few build errors in logs:
+
+# 00:07:50 lib/test_scanf.c:661:2: error: implicit conversion from 'int' to 'unsigned char' changes value from -168 to 88 [-Werror,-Wconstant-conversion]
+# 00:07:50 make[3]: *** [scripts/Makefile.build:243: lib/test_scanf.o] Error 1
+# 00:10:07 drivers/video/fbdev/neofb.c:1959:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1963:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1967:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1971:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1978:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1985:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 17 [-Werror,-Wfortify-source]
+# 00:10:07 drivers/video/fbdev/neofb.c:1992:3: error: 'snprintf' will always be truncated; specified size is 16, but format string expands to at least 18 [-Werror,-Wfortify-source]
+# 00:10:07 make[5]: *** [scripts/Makefile.build:243: drivers/video/fbdev/neofb.o] Error 1
 
 From
 # reset_artifacts:
@@ -41,6 +57,27 @@ From
 -----------------8<--------------------------8<--------------------------8<--------------------------
 The information below can be used to reproduce a debug environment:
 
-Current build   : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/81/artifact/artifacts
-Reference build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/80/artifact/artifacts
+Current build   : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/82/artifact/artifacts
+Reference build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/81/artifact/artifacts
+
+Reproduce last good and first bad builds: https://git.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sha1/0c9c9dd9a24f9d715d950fef0ac7aae01437af96/reproduction_instructions.txt
+
+Full commit : https://github.com/llvm/llvm-project/commit/0c9c9dd9a24f9d715d950fef0ac7aae01437af96
+
+Latest bug report status : https://linaro.atlassian.net/browse/LLVM-921
+
+List of configurations that regressed due to this commit :
+* tcwg_kernel
+** llvm-master-aarch64-lts-allmodconfig
+*** Failure
+*** https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-lts-allmodconfig-build/66/
+** llvm-master-aarch64-mainline-allmodconfig
+*** Failure
+*** https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allmodconfig-build/83/
+** llvm-master-aarch64-mainline-allyesconfig
+*** Failure
+*** https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-mainline-allyesconfig-build/82/
+** llvm-master-arm-lts-allmodconfig
+*** Failure
+*** https://ci.linaro.org/job/tcwg_kernel--llvm-master-arm-lts-allmodconfig-build/78/