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sys_linux: allow writev and TIOCGWINSZ in seccomp filter

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Allow more syscalls for musl.

Reported-by: jvoisin <julien.voisin@dustri.org>
This commit is contained in:
Miroslav Lichvar
2023-06-01 14:30:40 +02:00
parent 19da1d95a8
commit ca10b9e072
1 changed files with 2 additions and 1 deletions
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3
sys_linux.c
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@@ -603,6 +603,7 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
SCMP_SYS(select), SCMP_SYS(select),
SCMP_SYS(set_robust_list), SCMP_SYS(set_robust_list),
SCMP_SYS(write), SCMP_SYS(write),
SCMP_SYS(writev),
/* Miscellaneous */ /* Miscellaneous */
SCMP_SYS(getrandom), SCMP_SYS(getrandom),
@@ -657,7 +658,7 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
const static int fcntls[] = { F_GETFD, F_SETFD, F_GETFL, F_SETFL }; const static int fcntls[] = { F_GETFD, F_SETFD, F_GETFL, F_SETFL };
const static unsigned long ioctls[] = { const static unsigned long ioctls[] = {
FIONREAD, TCGETS, FIONREAD, TCGETS, TIOCGWINSZ,
#if defined(FEAT_PHC) || defined(HAVE_LINUX_TIMESTAMPING) #if defined(FEAT_PHC) || defined(HAVE_LINUX_TIMESTAMPING)
PTP_EXTTS_REQUEST, PTP_SYS_OFFSET, PTP_EXTTS_REQUEST, PTP_SYS_OFFSET,
#ifdef PTP_PIN_SETFUNC #ifdef PTP_PIN_SETFUNC