diff options
| author | phk <phk@FreeBSD.org> | 2005-01-29 11:38:00 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2005-01-29 11:38:00 +0000 |
| commit | 56bc3e6bfc46537d319bfcac92dd65bcfd93788a (patch) | |
| tree | b71b092b2f321dbbc9c070f9b4ef759bd2bdbce9 /usr.bin/fstat | |
| parent | c73fd1a2390c7c535d3076f99de6b1d4d9eb2882 (diff) | |
| download | FreeBSD-src-56bc3e6bfc46537d319bfcac92dd65bcfd93788a.zip FreeBSD-src-56bc3e6bfc46537d319bfcac92dd65bcfd93788a.tar.gz | |
Report jail directory if set.
Sanity-check fd_lastfile.
PR: 62699
Patch by: "Mark W. Krentel" <krentel@dreamscape.com>
Diffstat (limited to 'usr.bin/fstat')
| -rw-r--r-- | usr.bin/fstat/fstat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/usr.bin/fstat/fstat.c b/usr.bin/fstat/fstat.c index a20469e..86eee92 100644 --- a/usr.bin/fstat/fstat.c +++ b/usr.bin/fstat/fstat.c @@ -106,6 +106,7 @@ __FBSDID("$FreeBSD$"); #define RDIR -3 #define TRACE -4 #define MMAP -5 +#define JDIR -6 DEVS *devs; @@ -309,6 +310,9 @@ int Pid; case MMAP: \ printf(" mmap"); \ break; \ + case JDIR: \ + printf(" jail"); \ + break; \ default: \ printf(" %4d", i); \ break; \ @@ -345,6 +349,11 @@ dofiles(struct kinfo_proc *kp) */ vtrans(filed.fd_cdir, CDIR, FREAD); /* + * jail root, if any. + */ + if (filed.fd_jdir) + vtrans(filed.fd_jdir, JDIR, FREAD); + /* * ktrace vnode, if one */ if (kp->ki_tracep) @@ -358,6 +367,12 @@ dofiles(struct kinfo_proc *kp) * open files */ #define FPSIZE (sizeof (struct file *)) +#define MAX_LASTFILE (0x1000000) + + /* Sanity check on filed.fd_lastfile */ + if (filed.fd_lastfile <= -1 || filed.fd_lastfile > MAX_LASTFILE) + return; + ALLOC_OFILES(filed.fd_lastfile+1); if (!KVM_READ(filed.fd_ofiles, ofiles, (filed.fd_lastfile+1) * FPSIZE)) { |
