diff options
| author | kib <kib@FreeBSD.org> | 2015-08-07 04:31:02 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-08-07 04:31:02 +0000 |
| commit | 984b7d731dea8738e6ddaf5aa99948e24165db69 (patch) | |
| tree | 635b028b27fd8672d55aa060d6cce56e353bdcf3 /sys/cddl/dev | |
| parent | 33b0e51d3675f713008b851000f8de7710273c3d (diff) | |
| download | FreeBSD-src-984b7d731dea8738e6ddaf5aa99948e24165db69.zip FreeBSD-src-984b7d731dea8738e6ddaf5aa99948e24165db69.tar.gz | |
MFC r285643:
When checking for the valid value of the frame pointer, verify that it
belongs to the kernel stack address range for the thread.
Diffstat (limited to 'sys/cddl/dev')
| -rw-r--r-- | sys/cddl/dev/dtrace/amd64/dtrace_isa.c | 8 | ||||
| -rw-r--r-- | sys/cddl/dev/dtrace/i386/dtrace_isa.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c index 336befc..07a1b0a 100644 --- a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c +++ b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c @@ -89,8 +89,8 @@ dtrace_getpcstack(pc_t *pcstack, int pcstack_limit, int aframes, } if (frame->f_frame <= frame || - (vm_offset_t)frame->f_frame >= - (vm_offset_t)rbp + KSTACK_PAGES * PAGE_SIZE) + (vm_offset_t)frame->f_frame >= curthread->td_kstack + + curthread->td_kstack_pages * PAGE_SIZE) break; frame = frame->f_frame; } @@ -469,8 +469,8 @@ dtrace_getstackdepth(int aframes) break; depth++; if (frame->f_frame <= frame || - (vm_offset_t)frame->f_frame >= - (vm_offset_t)rbp + KSTACK_PAGES * PAGE_SIZE) + (vm_offset_t)frame->f_frame >= curthread->td_kstack + + curthread->td_kstack_pages * PAGE_SIZE) break; frame = frame->f_frame; } diff --git a/sys/cddl/dev/dtrace/i386/dtrace_isa.c b/sys/cddl/dev/dtrace/i386/dtrace_isa.c index 04f205c..63a7c08 100644 --- a/sys/cddl/dev/dtrace/i386/dtrace_isa.c +++ b/sys/cddl/dev/dtrace/i386/dtrace_isa.c @@ -92,8 +92,8 @@ dtrace_getpcstack(pc_t *pcstack, int pcstack_limit, int aframes, } if (frame->f_frame <= frame || - (vm_offset_t)frame->f_frame >= - (vm_offset_t)ebp + KSTACK_PAGES * PAGE_SIZE) + (vm_offset_t)frame->f_frame >= curthread->td_kstack + + curthread->td_kstack_pages * PAGE_SIZE) break; frame = frame->f_frame; } @@ -485,8 +485,8 @@ dtrace_getstackdepth(int aframes) break; depth++; if (frame->f_frame <= frame || - (vm_offset_t)frame->f_frame >= - (vm_offset_t)ebp + KSTACK_PAGES * PAGE_SIZE) + (vm_offset_t)frame->f_frame >= curthread->td_kstack + + curthread->td_kstack_pages * PAGE_SIZE) break; frame = frame->f_frame; } |
