musl/include/sys, branch v1.2.3 musl - an implementation of the standard library for Linux-based systems sys/ptrace.h: add PTRACE_GET_RSEQ_CONFIGURATION from linux v5.13 2022-03-08T22:21:26+00:00 Szabolcs Nagy nsz@port70.net 2021-07-07T17:46:31+00:00 bdb5454065f74b0f6b5ddd8ee39f83d6303c97bb see linux commit 90f093fa8ea48e5d991332cee160b761423d55c1 rseq, ptrace: Add PTRACE_GET_RSEQ_CONFIGURATION request the struct type got __ prefix to follow existing practice. 
see

  linux commit 90f093fa8ea48e5d991332cee160b761423d55c1
  rseq, ptrace: Add PTRACE_GET_RSEQ_CONFIGURATION request

the struct type got __ prefix to follow existing practice.
sys/prctl.h: add PR_PAC_{SET,GET}_ENABLED_KEYS from linux v5.13 2022-03-08T22:21:26+00:00 Szabolcs Nagy nsz@port70.net 2021-07-07T17:43:30+00:00 aa3bab6ce48d4e210ba3a86fed62e589df789ff4 see linux commit 201698626fbca1cf1a3b686ba14cf2a056500716 arm64: Introduce prctl(PR_PAC_{SET,GET}_ENABLED_KEYS) 
see

  linux commit 201698626fbca1cf1a3b686ba14cf2a056500716
  arm64: Introduce prctl(PR_PAC_{SET,GET}_ENABLED_KEYS)
sys/socket.h: add new SO_ socket options from linux v5.11 2022-03-08T22:19:40+00:00 Szabolcs Nagy nsz@port70.net 2021-03-07T21:19:36+00:00 c5ecaca743e4d6c1be7e3fd91dee62e560acb7e2 see linux commit 7fd3253a7de6a317a0683f83739479fb880bffc8 net: Introduce preferred busy-polling linux commit 7c951cafc0cb2e575f1d58677b95ac387ac0a5bd net: Add SO_BUSY_POLL_BUDGET socket option 
see

  linux commit 7fd3253a7de6a317a0683f83739479fb880bffc8
  net: Introduce preferred busy-polling

  linux commit 7c951cafc0cb2e575f1d58677b95ac387ac0a5bd
  net: Add SO_BUSY_POLL_BUDGET socket option
sys/prctl.h: add PR_SET_SYSCALL_USER_DISPATCH from linux v5.11 2022-03-08T22:19:38+00:00 Szabolcs Nagy nsz@port70.net 2021-03-07T20:50:17+00:00 f35b99b38721c0e76152069254b642dd345da784 see linux commit 1446e1df9eb183fdf81c3f0715402f1d7595d4cb kernel: Implement selective syscall userspace redirection linux commit 36a6c843fd0d8e02506681577e96dabd203dd8e8 entry: Use different define for selector variable in SUD redirect syscalls to a userspace handler via SIGSYS, except for a specific range of code. can be toggled via a memory write to a selector variable. mainly for wine. 
see

  linux commit 1446e1df9eb183fdf81c3f0715402f1d7595d4cb
  kernel: Implement selective syscall userspace redirection

  linux commit 36a6c843fd0d8e02506681577e96dabd203dd8e8
  entry: Use different define for selector variable in SUD

redirect syscalls to a userspace handler via SIGSYS, except for a specific
range of code. can be toggled via a memory write to a selector variable.
mainly for wine.
sys/prctl.h: add MTE related constants from linux v5.10 2021-02-15T14:16:06+00:00 Szabolcs Nagy nsz@port70.net 2020-12-19T21:10:26+00:00 19239cde94ff08c008b72f041676712dc447b80f these are for the aarch64 MTE (memory tagging extension), see linux commit 1c101da8b971a36695319dce7a24711dc567a0dd arm64: mte: Allow user control of the tag check mode via prctl() linux commit af5ce95282dc99d08a27a407a02c763dde1c5558 arm64: mte: Allow user control of the generated random tags via prctl() 
these are for the aarch64 MTE (memory tagging extension), see

  linux commit 1c101da8b971a36695319dce7a24711dc567a0dd
  arm64: mte: Allow user control of the tag check mode via prctl()

  linux commit af5ce95282dc99d08a27a407a02c763dde1c5558
  arm64: mte: Allow user control of the generated random tags via prctl()
sys/mman.h: add MAP_HUGE_16KB from linux v5.10 2021-02-15T14:16:06+00:00 Szabolcs Nagy nsz@port70.net 2020-12-19T21:02:21+00:00 d7210f0c123c4de5110b80f26b8ea460b9799eeb see linux commit e47168f3d1b14af5281cf50c59561d59d28201f9 powerpc/8xx: Support 16k hugepages with 4k pages 
see

  linux commit e47168f3d1b14af5281cf50c59561d59d28201f9
  powerpc/8xx: Support 16k hugepages with 4k pages
sys/mount.h: add MS_NOSYMFOLLOW from linux v5.10 2021-02-15T14:16:06+00:00 Szabolcs Nagy nsz@port70.net 2020-12-19T20:56:23+00:00 a7456524d7bc95db76998804c8dc4bcfbeccab22 path resolution does not follow symlinks on nosymfollow mounts (but readlink still does), see linux commit dab741e0e02bd3c4f5e2e97be74b39df2523fc6e Add a "nosymfollow" mount option. 
path resolution does not follow symlinks on nosymfollow mounts (but
readlink still does), see

  linux commit dab741e0e02bd3c4f5e2e97be74b39df2523fc6e
  Add a "nosymfollow" mount option.
sys/membarrier.h: add new constants from linux v5.10 2021-02-15T14:16:06+00:00 Szabolcs Nagy nsz@port70.net 2020-12-19T20:27:22+00:00 54ca1cc7f1bce1c19593c0176aead964a2534933 can cause rseq restart on another cpu to synchronize with global memory access from rseq critical sections, see linux commit 2a36ab717e8fe678d98f81c14a0b124712719840 rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ 
can cause rseq restart on another cpu to synchronize with global
memory access from rseq critical sections, see

  linux commit 2a36ab717e8fe678d98f81c14a0b124712719840
  rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ
sys/fanotify.h: add new FAN_* macros from linux v5.9 2020-11-29T05:54:36+00:00 Szabolcs Nagy nsz@port70.net 2020-10-25T16:25:34+00:00 d078f836578986d97728b71ee2a7fd33233fbd5d Update fanotify.h, see linux commit 929943b38daf817f2e6d303ea04401651fc3bc05 fanotify: add support for FAN_REPORT_NAME linux commit 83b7a59896dd24015a34b7f00027f0ff3747972f fanotify: add basic support for FAN_REPORT_DIR_FID linux commit 08b95c338e0c5a96e47f4ca314ea1e7580ecb5d7 fanotify: remove event FAN_DIR_MODIFY FAN_DIR_MODIFY that was new in v5.7 is now removed from linux uapi, but kept in musl, so we don't break api, linux cannot reuse the value anyway. 
Update fanotify.h, see

  linux commit 929943b38daf817f2e6d303ea04401651fc3bc05
  fanotify: add support for FAN_REPORT_NAME

  linux commit 83b7a59896dd24015a34b7f00027f0ff3747972f
  fanotify: add basic support for FAN_REPORT_DIR_FID

  linux commit 08b95c338e0c5a96e47f4ca314ea1e7580ecb5d7
  fanotify: remove event FAN_DIR_MODIFY

FAN_DIR_MODIFY that was new in v5.7 is now removed from linux uapi,
but kept in musl, so we don't break api, linux cannot reuse the
value anyway.
add missing personality values 2020-11-29T05:52:36+00:00 William Woodruff william.woodruff@trailofbits.com 2020-11-18T15:59:31+00:00 badc5bb211ee5caa2cfaafb5fdb716cbb8d1f2e6 Adds two missing personality(2) personas: UNAME26 and FDPIC_FUNCPTRS. FDPIC_FUNCPTRS was also missing its corresponding PER_LINUX_FDPIC value. 
Adds two missing personality(2) personas: UNAME26 and FDPIC_FUNCPTRS.

FDPIC_FUNCPTRS was also missing its corresponding PER_LINUX_FDPIC
value.