Hello,
syzbot tried to test the proposed patch but the build/boot failed:
le included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from drivers/input/gameport/gameport.c:13:
In file included from ./include/linux/module.h:13:
In file included from ./include/linux/stat.h:19:
In file included from ./include/linux/time.h:60:
In file included from ./include/linux/time32.h:13:
In file included from ./include/linux/timex.h:67:
In file included from ./arch/x86/include/asm/timex.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
2 warnings generated.
CC net/netlabel/netlabel_calipso.o
CC net/ipv4/fib_rules.o
In file included from drivers/firewire/core-transaction.c:9:
In file included from ./include/linux/completion.h:12:
In file included from ./include/linux/swait.h:7:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from drivers/firewire/core-transaction.c:9:
In file included from ./include/linux/completion.h:12:
In file included from ./include/linux/swait.h:7:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
CC net/rds/send.o
In file included from net/netlabel/netlabel_calipso.c:18:
In file included from ./include/linux/socket.h:8:
In file included from ./include/linux/uio.h:9:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from CC drivers/block/aoe/aoecmd.o
./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from net/netlabel/netlabel_calipso.c:18:
In file included from ./include/linux/socket.h:8:
In file included from ./include/linux/uio.h:9:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
In file included from drivers/block/aoe/aoecmd.c:7:
In file included from ./include/linux/ata.h:17:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from drivers/block/aoe/aoecmd.c:7:
In file included from ./include/linux/ata.h:17:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
2 warnings generated.
In file included from net/rds/send.c:35:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from net/rds/send.c:35:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
In file included from net/ipv4/fib_rules.c:19:
In file included from ./include/linux/netdevice.h:24:
In file included from ./include/linux/timer.h:6:
In file included from ./include/linux/ktime.h:24:
In file included from ./include/linux/time.h:60:
In file included from ./include/linux/time32.h:13:
In file included from ./include/linux/timex.h:67:
In file included from ./arch/x86/include/asm/timex.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from net/ipv4/fib_rules.c:19:
In file included from ./include/linux/netdevice.h:24:
In file included from ./include/linux/timer.h:6:
In file included from ./include/linux/ktime.h:24:
In file included from ./include/linux/time.h:60:
In file included from ./include/linux/time32.h:13:
In file included from ./include/linux/timex.h:67:
In file included from ./arch/x86/include/asm/timex.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
2 warnings generated.
2 warnings generated.
2 warnings generated.
In file included from net/wireless/scan.c:11:
In file included from ./include/linux/slab.h:15:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from net/wireless/scan.c:11:
In file included from ./include/linux/slab.h:15:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
22 warnings generated.
warnings generated.
2 warnings generated.
CC drivers/usb/common/debug.o
CC fs/gfs2/meta_io.o
2 warnings generated.
2 warnings generated.
2 warnings generated.
2 warnings generated.
CC drivers/block/aoe/aoedev.o
2 warnings generated.
2 warnings generated.
CC drivers/target/target_core_tmr.o
In file included from net/rds/recv.c:34:
In file included from ./include/linux/slab.h:15:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:387:9: warning: 'memcpy' macro redefined [-Wmacro-redefined]
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:17:9: note: previous definition is here
#define memcpy __msan_memcpy
^
In file included from net/rds/recv.c:34:
In file included from ./include/linux/slab.h:15:
In file included from ./include/linux/gfp.h:7:
In file included from ./include/linux/mmzone.h:8:
In file included from ./include/linux/spinlock.h:55:
In file included from ./include/linux/preempt.h:78:
In file included from ./arch/x86/include/asm/preempt.h:7:
In file included from ./include/linux/thread_info.h:60:
In file included from ./arch/x86/include/asm/thread_info.h:53:
In file included from ./arch/x86/include/asm/cpufeature.h:5:
In file included from ./arch/x86/include/asm/processor.h:22:
In file included from ./arch/x86/include/asm/msr.h:11:
In file included from ./arch/x86/include/asm/cpumask.h:5:
In file included from ./include/linux/cpumask.h:12:
In file included from ./include/linux/bitmap.h:11:
In file included from ./include/linux/string.h:253:
./include/linux/fortify-string.h:391:9: warning: 'memmove' macro redefined [-Wmacro-redefined]
#define memmove(p, q, s) __fortify_memcpy_chk(p, q, s, \
^
./arch/x86/include/asm/string_64.h:73:9: note: previous definition is here
#define memmove __msan_memmove
^
CC fs/gfs2/aops.o
CC net/dccp/ackvec.o
CC fs/gfs2/dentry.o
In file included from drivers/usb/common/common.c:12:
In file included from ./include/linux/module.h:13:
In file included from ./include/linux/stat.h:19:
In file included from ./include/linux/time.h:60:
In file included from ./include/linux/time32.h:13:
In file included from ./include/linux/timex.h:67:
In file included from ./arch/
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=133848f4880000
Tested on:
commit: 968c2729 x86: kmsan: fix comment in kmsan_shadow.c
git tree: https://github.com/google/kmsan.git master
dashboard link: https://syzkaller.appspot.com/bug?extid=79832d33eb89fb3cd092
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project.git 610139d2d9ce6746b3c617fb3e2f7886272d26ff), GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=12a57360880000
