From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: kernel/exit.c: export abort() to modules gcc -fisolate-erroneous-paths-dereference can generate calls to abort() from modular code too. [arnd@xxxxxxxx: drop duplicate exports of abort()] Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@xxxxxxxx Reported-by: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx> Cc: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx> Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxx> Cc: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- arch/arm/kernel/traps.c | 1 - arch/m32r/kernel/traps.c | 1 - arch/unicore32/kernel/traps.c | 1 - kernel/exit.c | 1 + 4 files changed, 1 insertion(+), 3 deletions(-) diff -puN arch/arm/kernel/traps.c~kernel-exitc-export-abort-to-modules arch/arm/kernel/traps.c --- a/arch/arm/kernel/traps.c~kernel-exitc-export-abort-to-modules +++ a/arch/arm/kernel/traps.c @@ -793,7 +793,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort); void __init trap_init(void) { diff -puN arch/m32r/kernel/traps.c~kernel-exitc-export-abort-to-modules arch/m32r/kernel/traps.c --- a/arch/m32r/kernel/traps.c~kernel-exitc-export-abort-to-modules +++ a/arch/m32r/kernel/traps.c @@ -122,7 +122,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort); void __init trap_init(void) { diff -puN arch/unicore32/kernel/traps.c~kernel-exitc-export-abort-to-modules arch/unicore32/kernel/traps.c --- a/arch/unicore32/kernel/traps.c~kernel-exitc-export-abort-to-modules +++ a/arch/unicore32/kernel/traps.c @@ -298,7 +298,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort); void __init trap_init(void) { diff -puN kernel/exit.c~kernel-exitc-export-abort-to-modules kernel/exit.c --- a/kernel/exit.c~kernel-exitc-export-abort-to-modules +++ a/kernel/exit.c @@ -1763,3 +1763,4 @@ __weak void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } +EXPORT_SYMBOL(abort); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
