NetBSD Problem Report #60751

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Date: Sun, 20 Sep 2026 11:22:52 +0000 (UTC)
From: campbell+netbsd@mumble.net
Reply-To: campbell+netbsd@mumble.net
To: gnats-bugs@NetBSD.org
Subject: compat_linux32 fcntl(2): missing breaks in switch 
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X-From4GNATS: "campbell+netbsd@mumble.net via gnats" <gnats-admin@NetBSD.org>

>Number:         60751
>Category:       kern
>Synopsis:       compat_linux32 fcntl(2): missing breaks in switch
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Sep 20 11:25:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        current, 11, 10, ...
>Organization:
The compat_linux32 Breakthrough, Inc.
>Environment:
>Description:
    124 	switch (cmd) {
    125 	case LINUX32_F_GETLK64:
    126 		do_linux_getlk(SCARG(uap, fd), cmd, SCARG_P32(uap, arg),
    127 		    linux32, flock64);
    128 	case LINUX32_F_SETLK64:
    129 	case LINUX32_F_SETLKW64:
    130 		do_linux_setlk(SCARG(uap, fd), cmd, SCARG_P32(uap, arg),
    131 		    linux32, flock64, LINUX_F_SETLK64);
    132 	case LINUX32_F_GETLK:
    133 		do_linux_getlk(SCARG(uap, fd), cmd, SCARG_P32(uap, arg),
    134 		    linux32, flock);
    135 	case LINUX32_F_SETLK:
    136 	case LINUX32_F_SETLKW:
    137 		do_linux_setlk(SCARG(uap, fd), cmd, SCARG_P32(uap, arg),
    138 		    linux32, flock, LINUX_F_SETLK);
    139 	default:
    140 		break;
    141 	}

https://nxr.netbsd.org/xref/src/sys/compat/linux32/common/linux32_fcntl.c?r=1.11#124
>How-To-Repeat:

	code inspection

>Fix:

	break to fix

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