Re: increasing sysv semaphore limits
Jason Thorpe <[email protected]> Wed, 15 Jul 2026 15:23:34 -0700
| Newsgroups | gmane.os.netbsd.devel.kernel |
|---|---|
| Message-ID | <[email protected]> |
--Apple-Mail=_C4E0E010-EB3A-47FA-B5B7-AFE8FE6B3886 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Jul 15, 2026, at 2:58=E2=80=AFPM, Mouse = <[email protected]> wrote: >=20 > Except doesn't that open you up to a DoS attack, running the kernel = out > of memory by creating a zillion semaphores? I mean, it=E2=80=99s really the same thing as with file descriptors. -- thorpej --Apple-Mail=_C4E0E010-EB3A-47FA-B5B7-AFE8FE6B3886 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html aria-label=3D"message body"><head><meta http-equiv=3D"content-type" = content=3D"text/html; charset=3Dutf-8"></head><body = style=3D"overflow-wrap: break-word; -webkit-nbsp-mode: space; = line-break: after-white-space;"><br><div><blockquote type=3D"cite"><div>On= Jul 15, 2026, at 2:58=E2=80=AFPM, Mouse = <[email protected]> wrote:</div><br = class=3D"Apple-interchange-newline"><div><span style=3D"caret-color: = rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: 2; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;">Except doesn't that open you up to a DoS = attack, running the kernel out</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = orphans: 2; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; widows: 2; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration-line: none; = text-decoration-thickness: auto; text-decoration-style: solid;"><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;">of memory by creating a zillion = semaphores?</span></div></blockquote></div><div><br></div><div>I mean, = it=E2=80=99s really the same thing as with file = descriptors.</div><br><div> <span class=3D"Apple-style-span" style=3D"border-collapse: separate; = color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; = font-style: normal; font-variant: normal; font-weight: normal; = letter-spacing: normal; line-height: normal; orphans: 2; text-align: = auto; text-indent: 0px; text-transform: none; white-space: normal; = widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; = -webkit-border-vertical-spacing: 0px; = -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; "><div style=3D"word-wrap: = break-word; -webkit-nbsp-mode: space; -webkit-line-break: = after-white-space; ">-- thorpej</div></span> </div> <br></body></html>= --Apple-Mail=_C4E0E010-EB3A-47FA-B5B7-AFE8FE6B3886--