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netutils/dropbear: retain child exit status for NSH PTY session

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The per-session NSH task is reaped with waitpid() in
dropbear_nshsession.c.  Without CONFIG_SCHED_CHILD_STATUS the kernel does
not retain the child exit status, so waitpid() returns ECHILD right after
authentication and the interactive session never starts
("NSH session wait failed: Unknown error 10").

Depend on SCHED_HAVE_PARENT and SCHED_CHILD_STATUS (following the project's
depends-on-over-select convention) so the requirement is explicit; boards
enabling Dropbear must set these in their defconfig.

Signed-off-by: Felipe Moura <moura.fmo@gmail.com>
This commit is contained in:
Felipe Moura 2026-07-18 12:14:02 -03:00 • committed by Alin Jerpelea
parent 5114ddd6c0
commit 7469e88bfa
1 changed files with 2 additions and 0 deletions
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netutils/dropbear/Kconfig
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@ -10,6 +10,8 @@ menuconfig NETUTILS_DROPBEAR
depends on !DISABLE_PSEUDOFS_OPERATIONS
depends on !DISABLE_PTHREAD
depends on SCHED_WAITPID
depends on SCHED_HAVE_PARENT
depends on SCHED_CHILD_STATUS
depends on NSH_LIBRARY
depends on FSUTILS_PASSWD
depends on PSEUDOTERM