* [akpm-mm:mm-new 294/303] arch/arm64/kernel/traps.c:1074:2: error: call to undeclared function 'kasan_die_unless_recover'; ISO C99 and later do not support implicit function declarations
@ 2026-01-13 8:21 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-01-13 8:21 UTC (permalink / raw)
To: Maciej Wieczor-Retman
Cc: oe-kbuild-all, David Hildenbrand, Andrew Morton,
Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head: abb8eb84b7bb668d982e556b2b19f0e3ac42c591
commit: c22668ddeabded18adfebc428e99d20d59bc6d9d [294/303] arm64: unify software tag-based KASAN inline recovery path
config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260113/202601130951.tiOySRqt-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project f43d6834093b19baf79beda8c0337ab020ac5f17)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601130951.tiOySRqt-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601130951.tiOySRqt-lkp@intel.com/
All errors (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:862:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
862 | [ESR_ELx_EC_DABT_CUR] = "DABT (current EL)",
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:863:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
863 | [ESR_ELx_EC_SP_ALIGN] = "SP Alignment",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:864:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
864 | [ESR_ELx_EC_MOPS] = "MOPS",
| ^~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:865:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
865 | [ESR_ELx_EC_FP_EXC32] = "FP (AArch32)",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:866:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
866 | [ESR_ELx_EC_FP_EXC64] = "FP (AArch64)",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:867:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
867 | [ESR_ELx_EC_GCS] = "Guarded Control Stack",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:868:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
868 | [ESR_ELx_EC_SERROR] = "SError",
| ^~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:869:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
869 | [ESR_ELx_EC_BREAKPT_LOW] = "Breakpoint (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:870:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
870 | [ESR_ELx_EC_BREAKPT_CUR] = "Breakpoint (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:871:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
871 | [ESR_ELx_EC_SOFTSTP_LOW] = "Software Step (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:872:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
872 | [ESR_ELx_EC_SOFTSTP_CUR] = "Software Step (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:873:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
873 | [ESR_ELx_EC_WATCHPT_LOW] = "Watchpoint (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:874:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
874 | [ESR_ELx_EC_WATCHPT_CUR] = "Watchpoint (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:875:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
875 | [ESR_ELx_EC_BKPT32] = "BKPT (AArch32)",
| ^~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:876:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
876 | [ESR_ELx_EC_VECTOR32] = "Vector catch (AArch32)",
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:877:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
877 | [ESR_ELx_EC_BRK64] = "BRK (AArch64)",
| ^~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
>> arch/arm64/kernel/traps.c:1074:2: error: call to undeclared function 'kasan_die_unless_recover'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1074 | kasan_die_unless_recover(recover, "Oops - KASAN", regs, esr, die);
| ^
44 warnings and 1 error generated.
vim +/kasan_die_unless_recover +1074 arch/arm64/kernel/traps.c
1063
1064 int kasan_brk_handler(struct pt_regs *regs, unsigned long esr)
1065 {
1066 bool recover = esr & KASAN_ESR_RECOVER;
1067 bool write = esr & KASAN_ESR_WRITE;
1068 size_t size = KASAN_ESR_SIZE(esr);
1069 void *addr = (void *)regs->regs[0];
1070 u64 pc = regs->pc;
1071
1072 kasan_report(addr, size, write, pc);
1073
> 1074 kasan_die_unless_recover(recover, "Oops - KASAN", regs, esr, die);
1075
1076 /* If thread survives, skip over the brk instruction and continue: */
1077 arm64_skip_faulting_instruction(regs, AARCH64_INSN_SIZE);
1078 return DBG_HOOK_HANDLED;
1079 }
1080 #endif
1081
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* [akpm-mm:mm-new 294/303] arch/arm64/kernel/traps.c:1074:2: error: call to undeclared function 'kasan_die_unless_recover'; ISO C99 and later do not support implicit function declarations
@ 2026-01-13 7:47 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-01-13 7:47 UTC (permalink / raw)
To: Maciej Wieczor-Retman
Cc: llvm, oe-kbuild-all, David Hildenbrand, Andrew Morton,
Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head: abb8eb84b7bb668d982e556b2b19f0e3ac42c591
commit: c22668ddeabded18adfebc428e99d20d59bc6d9d [294/303] arm64: unify software tag-based KASAN inline recovery path
config: arm64-randconfig-001-20260113 (https://download.01.org/0day-ci/archive/20260113/202601131502.L9EGfMiI-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601131502.L9EGfMiI-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601131502.L9EGfMiI-lkp@intel.com/
All errors (new ones prefixed by >>):
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:862:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
862 | [ESR_ELx_EC_DABT_CUR] = "DABT (current EL)",
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:863:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
863 | [ESR_ELx_EC_SP_ALIGN] = "SP Alignment",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:864:23: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
864 | [ESR_ELx_EC_MOPS] = "MOPS",
| ^~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:865:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
865 | [ESR_ELx_EC_FP_EXC32] = "FP (AArch32)",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:866:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
866 | [ESR_ELx_EC_FP_EXC64] = "FP (AArch64)",
| ^~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:867:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
867 | [ESR_ELx_EC_GCS] = "Guarded Control Stack",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:868:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
868 | [ESR_ELx_EC_SERROR] = "SError",
| ^~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:869:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
869 | [ESR_ELx_EC_BREAKPT_LOW] = "Breakpoint (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:870:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
870 | [ESR_ELx_EC_BREAKPT_CUR] = "Breakpoint (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:871:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
871 | [ESR_ELx_EC_SOFTSTP_LOW] = "Software Step (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:872:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
872 | [ESR_ELx_EC_SOFTSTP_CUR] = "Software Step (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:873:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
873 | [ESR_ELx_EC_WATCHPT_LOW] = "Watchpoint (lower EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:874:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
874 | [ESR_ELx_EC_WATCHPT_CUR] = "Watchpoint (current EL)",
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:875:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
875 | [ESR_ELx_EC_BKPT32] = "BKPT (AArch32)",
| ^~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:876:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
876 | [ESR_ELx_EC_VECTOR32] = "Vector catch (AArch32)",
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:877:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
877 | [ESR_ELx_EC_BRK64] = "BRK (AArch64)",
| ^~~~~~~~~~~~~~~
arch/arm64/kernel/traps.c:833:28: note: previous initialization is here
833 | [0 ... ESR_ELx_EC_MAX] = "UNRECOGNIZED EC",
| ^~~~~~~~~~~~~~~~~
>> arch/arm64/kernel/traps.c:1074:2: error: call to undeclared function 'kasan_die_unless_recover'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1074 | kasan_die_unless_recover(recover, "Oops - KASAN", regs, esr, die);
| ^
44 warnings and 1 error generated.
vim +/kasan_die_unless_recover +1074 arch/arm64/kernel/traps.c
1063
1064 int kasan_brk_handler(struct pt_regs *regs, unsigned long esr)
1065 {
1066 bool recover = esr & KASAN_ESR_RECOVER;
1067 bool write = esr & KASAN_ESR_WRITE;
1068 size_t size = KASAN_ESR_SIZE(esr);
1069 void *addr = (void *)regs->regs[0];
1070 u64 pc = regs->pc;
1071
1072 kasan_report(addr, size, write, pc);
1073
> 1074 kasan_die_unless_recover(recover, "Oops - KASAN", regs, esr, die);
1075
1076 /* If thread survives, skip over the brk instruction and continue: */
1077 arm64_skip_faulting_instruction(regs, AARCH64_INSN_SIZE);
1078 return DBG_HOOK_HANDLED;
1079 }
1080 #endif
1081
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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