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| author | andrew <andrew@FreeBSD.org> | 2014-09-10 13:07:01 +0000 |
|---|---|---|
| committer | andrew <andrew@FreeBSD.org> | 2014-09-10 13:07:01 +0000 |
| commit | 924d84a44cab6e8006fe21ab8b497cb85bf1e4cc (patch) | |
| tree | 4b49af90ef186084cf517cd067ffef5c8f30d74d | |
| parent | 5939c729a85666a85362aa2ec0d108b18d89ca50 (diff) | |
| download | FreeBSD-src-924d84a44cab6e8006fe21ab8b497cb85bf1e4cc.zip FreeBSD-src-924d84a44cab6e8006fe21ab8b497cb85bf1e4cc.tar.gz | |
Stop accessing the saved stack pointer by looking past the end of the
array of registers.
Submitted by: Michal Meloun <meloun at miracle.cz>
| -rw-r--r-- | usr.bin/truss/arm-fbsd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/usr.bin/truss/arm-fbsd.c b/usr.bin/truss/arm-fbsd.c index b717619..a1759ab 100644 --- a/usr.bin/truss/arm-fbsd.c +++ b/usr.bin/truss/arm-fbsd.c @@ -201,7 +201,7 @@ arm_syscall_entry(struct trussinfo *trussinfo, int nargs) */ // XXX BAD constant used here iorequest.piod_op = PIOD_READ_D; - iorequest.piod_offs = (void *)(regs.r[_REG_SP] + + iorequest.piod_offs = (void *)(regs.r_sp + 4 * sizeof(uint32_t)); iorequest.piod_addr = &fsc->args[4]; iorequest.piod_len = (nargs - 4) * sizeof(fsc->args[0]); |
