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Linus Torvalds 808dbbb6bb x86: be more careful when walking back the frame pointer chain ... When showing the stack backtrace, make sure that we never accept not only an unchanging frame pointer, but also a frame pointer that moves back down the stack frame. It must always grow up (toward older stack frames). I doubt this has triggered, but a subtly corrupt stack with extremely unlucky contents could cause us to loop forever on a bogus endless frame pointer chain. This review was triggered by much worse problems happening in some of the other stack unwinding code. Signed-off-by: Linus Torvalds <torvalds@osdl.org>		18 years ago
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acpi	…
cpu	…
.gitignore	…
Makefile	…
alternative.c	…
apic.c	…
apm.c	…
asm-offsets.c	…
bootflag.c	…
cpuid.c	…
crash.c	…
crash_dump.c	…
doublefault.c	…
early_printk.c	…
efi.c	…
efi_stub.S	…
entry.S	…
head.S	…
hpet.c	…
i386_ksyms.c	…
i387.c	…
i8237.c	…
i8253.c	…
i8259.c	…
init_task.c	…
io_apic.c	…
ioport.c	…
irq.c	…
kprobes.c	…
ldt.c	…
machine_kexec.c	…
mca.c	…
microcode.c	…
module.c	…
mpparse.c	…
msr.c	…
nmi.c	…
numaq.c	…
pci-dma.c	…
process.c	…
ptrace.c	…
quirks.c	…
reboot.c	…
reboot_fixups.c	…
relocate_kernel.S	…
scx200.c	…
setup.c	…
sigframe.h	…
signal.c	…
smp.c	…
smpboot.c	…
srat.c	…
summit.c	…
sys_i386.c	…
syscall_table.S	…
sysenter.c	…
time.c	…
time_hpet.c	…
topology.c	…
trampoline.S	…
traps.c	x86: be more careful when walking back the frame pointer chain	18 years ago
tsc.c	…
vm86.c	…
vmlinux.lds.S	…
vsyscall-int80.S	…
vsyscall-note.S	…
vsyscall-sigreturn.S	…
vsyscall-sysenter.S	…
vsyscall.S	…
vsyscall.lds.S	…