src/sys/libkern, branch stable/14 FreeBSD source tree libkern: Use proper prototype for SYSINIT functions 2026-01-31T18:25:03+00:00 Zhenlei Huang zlei@FreeBSD.org 2025-10-13T10:12:31+00:00 5d1cf19810bb46afe3ed487a71971a2163f710d8 MFC after: 1 week (cherry picked from commit 850a88e8db761c55b9aa56c2cf4da258dc61dec5) (cherry picked from commit 2b27541988072b3c1e5f2f901e622f38af0be4c9) 
MFC after:	1 week

(cherry picked from commit 850a88e8db761c55b9aa56c2cf4da258dc61dec5)
(cherry picked from commit 2b27541988072b3c1e5f2f901e622f38af0be4c9)
libkern: Avoid a one-byte OOB access in strndup() 2025-12-15T14:12:39+00:00 Mark Johnston markj@FreeBSD.org 2025-12-08T14:08:22+00:00 f6ad204da856e722b4995f929a09c96ccc38d537 If the length of the string is maxlen, we would end up copying maxlen+1 bytes, which violates the contract of the function. The result is the same since that extra byte is overwritten. Reported by: Kevin Day <kevin@your.org> Reviewed by: imp, kib MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D54093 (cherry picked from commit 73586fcea630c2c4fb83e966920c039aee8a5fc9) 
If the length of the string is maxlen, we would end up copying maxlen+1
bytes, which violates the contract of the function.  The result is the
same since that extra byte is overwritten.

Reported by:	Kevin Day <kevin@your.org>
Reviewed by:	imp, kib
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D54093

(cherry picked from commit 73586fcea630c2c4fb83e966920c039aee8a5fc9)
Fix possible out of bounds read in armv8_crc32c 2025-10-10T21:00:12+00:00 Zhongqi Zhao zz479@cam.ac.uk 2025-09-10T14:21:38+00:00 5660178fd14b9d45743231358f25dcbe801d090f Reviewed by: andrew Obtained from: CheriBSD Differential Revision: https://reviews.freebsd.org/D52401 (cherry picked from commit f48b1a34ef859ca17de0cc9149cc22e07364ef85) 
Reviewed by:	andrew
Obtained from:	CheriBSD
Differential Revision:	https://reviews.freebsd.org/D52401

(cherry picked from commit f48b1a34ef859ca17de0cc9149cc22e07364ef85)
libkern: Drop incorrect qsort optimization 2025-08-27T18:49:58+00:00 Dag-Erling Smørgrav des@FreeBSD.org 2025-08-15T18:01:02+00:00 935c26dbe3a6ce77cda9bd802fa45cdb938610a6 See 5205b32de3fb for details. PR: 287089 MFC after: 1 week Reviewed by: jlduran Differential Revision: https://reviews.freebsd.org/D51919 (cherry picked from commit ef8f3e913156aa268e07ae1daa68e3bc3f1c4d29) 
See 5205b32de3fb for details.

PR:		287089
MFC after:	1 week
Reviewed by:	jlduran
Differential Revision:	https://reviews.freebsd.org/D51919

(cherry picked from commit ef8f3e913156aa268e07ae1daa68e3bc3f1c4d29)
libkern: strdup.c, strndup.c: Prefer memcpy() over bcopy() 2025-03-03T14:56:34+00:00 Zhenlei Huang zlei@FreeBSD.org 2025-02-17T15:37:59+00:00 588838aa2484619c93231aedb22c24e761d244da The newly allocated memory can not overlap with the string if the string is properly null-terminated or the maxlen is a valid lengh, i.e no out of bounds reads. Prefer memcpy() over memmove(), aka bcopy(), for slight performance gain. No functional change intended. Reviewed by: kib MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D49026 (cherry picked from commit 90a3b6a7a4e4c8201ba1bb90fb8e2b088f3a5788) 
The newly allocated memory can not overlap with the string if the string
is properly null-terminated or the maxlen is a valid lengh, i.e no out
of bounds reads. Prefer memcpy() over memmove(), aka bcopy(), for slight
performance gain.

No functional change intended.

Reviewed by:	kib
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D49026

(cherry picked from commit 90a3b6a7a4e4c8201ba1bb90fb8e2b088f3a5788)
arm64: Mark the armv8 crc32c as supporting BTI 2024-02-19T13:17:47+00:00 Andrew Turner andrew@FreeBSD.org 2023-11-14T15:01:58+00:00 e7d2a96f4f9bf579e5fde5870772a39fb6ffac2a This is built into a test so needs the BTI elf note for the rest of the test to be built with BTI support enabled. As the assembly uses the ENTRY macro it already supports BTI, so mark it as such. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D42595 (cherry picked from commit 25d0310ed881e86cec9ab5cf37dd8471e88ad554) 
This is built into a test so needs the BTI elf note for the rest of the
test to be built with BTI support enabled.

As the assembly uses the ENTRY macro it already supports BTI, so mark
it as such.

Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D42595

(cherry picked from commit 25d0310ed881e86cec9ab5cf37dd8471e88ad554)
sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16T17:54:58+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:58+00:00 031beb4e239bfce798af17f5fe8dba8bcaf13d99 Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/ 
Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16T17:54:36+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:36+00:00 685dc743dc3b5645e34836464128e1c0558b404b Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/ 
Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16T17:54:18+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:18+00:00 2ff63af9b88c7413b7d71715b5532625752a248e Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/ 
Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/
sys: Remove $FreeBSD$: two-line .h pattern 2023-08-16T17:54:11+00:00 Warner Losh imp@FreeBSD.org 2023-08-16T17:54:11+00:00 95ee2897e98f5d444f26ed2334cc7c439f9c16c6 Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/ 
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/