github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/sys/netbsd/ipc.txt

# Copyright 2017 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

include <sys/types.h>
include <sys/fcntl.h>
include <sys/stat.h>
include <sys/ipc.h>
include <sys/shm.h>
include <sys/msg.h>
include <sys/sem.h>

resource ipc[int32]: 0, 0xffffffffffffffff

# TODO: describe ipc syscall

define SYS_____semctl50	442

resource ipc_msq[ipc]
msgget(key proc[2039379027, 4], flags flags[msgget_flags]) ipc_msq
msgget$private(key const[IPC_PRIVATE], flags flags[msgget_flags]) ipc_msq
msgsnd(msqid ipc_msq, msgp ptr[in, msgbuf], sz len[msgp], flags flags[msgsnd_flags])
msgrcv(msqid ipc_msq, msgp ptr[out, msgbuf], sz len[msgp], typ flags[msgbuf_type], flags flags[msgrcv_flags])
msgctl$IPC_STAT(msqid ipc_msq, cmd const[IPC_STAT], buf buffer[out])
msgctl$IPC_SET(msqid ipc_msq, cmd const[IPC_SET], buf ptr[in, msqid_ds])
msgctl$IPC_RMID(msqid ipc_msq, cmd const[IPC_RMID])
compat_14_msgctl$IPC_STAT(msqid ipc_msq, cmd const[IPC_STAT], buf ptr[out, msqid_ds14])
compat_14_msgctl$IPC_SET(msqid ipc_msq, cmd const[IPC_SET], buf ptr[in, msqid_ds14])
compat_14_msgctl$IPC_RMID(msqid ipc_msq, cmd const[IPC_RMID])
compat_50___msgctl13$IPC_STAT(msqid ipc_msq, cmd const[IPC_STAT], buf ptr[out, msqid_ds13])
compat_50___msgctl13$IPC_SET(msqid ipc_msq, cmd const[IPC_SET], buf ptr[in, msqid_ds13])
compat_50___msgctl13$IPC_RMID(msqid ipc_msq, cmd const[IPC_RMID])

resource ipc_sem[ipc]
semget(key proc[2039359027, 4], nsems flags[sem_sem_id], flags flags[semget_flags]) ipc_sem
semget$private(key const[IPC_PRIVATE], nsems flags[sem_sem_id], flags flags[semget_flags]) ipc_sem
semop(semid ipc_sem, ops ptr[in, array[sembuf]], nops len[ops])
semctl$IPC_STAT(semid ipc_sem, semnum const[0], cmd const[IPC_STAT], arg buffer[out])
semctl$IPC_SET(semid ipc_sem, semnum const[0], cmd const[IPC_SET], arg ptr[in, semid_ds])
semctl$IPC_RMID(semid ipc_sem, semnum const[0], cmd const[IPC_RMID])
semctl$GETALL(semid ipc_sem, semnum const[0], cmd const[GETALL], arg buffer[out])
semctl$GETNCNT(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETNCNT], arg buffer[out])
semctl$GETPID(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETPID], arg buffer[out])
semctl$GETVAL(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETVAL], arg buffer[out])
semctl$GETZCNT(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETZCNT], arg buffer[out])
semctl$SETALL(semid ipc_sem, semnum const[0], cmd const[SETALL], arg ptr[in, array[int16]])
semctl$SETVAL(semid ipc_sem, semnum flags[sem_sem_id], cmd const[SETVAL], arg ptr[in, int32])
compat_14___semctl$IPC_STAT(semid ipc_sem, semnum const[0], cmd const[IPC_STAT], arg ptr[out, __semun])
compat_14___semctl$IPC_SET(semid ipc_sem, semnum const[0], cmd const[IPC_SET], arg ptr[in, __semun])
compat_14___semctl$IPC_RMID(semid ipc_sem, semnum const[0], cmd const[IPC_RMID])
compat_14___semctl$SETALL(semid ipc_sem, semnum const[0], cmd const[SETALL], arg ptr[in, __semun])
compat_14___semctl$GETALL(semid ipc_sem, semnum const[0], cmd const[GETALL], arg ptr[out, __semun])
compat_14___semctl$GETZCNT(semid ipc_sem, semnum const[0], cmd const[GETZCNT])
compat_14___semctl$GETNCNT(semid ipc_sem, semnum const[0], cmd const[GETNCNT])
compat_14___semctl$GETPID(semid ipc_sem, semnum const[0], cmd const[GETPID])
compat_14___semctl$SETVAL(semid ipc_sem, semnum const[0], cmd const[SETVAL], arg ptr[in, __semun])
compat_14___semctl$GETVAL(semid ipc_sem, semnum const[0], cmd const[GETVAL])
compat_50_____semctl13$IPC_STAT(semid ipc_sem, semnum const[0], cmd const[IPC_STAT], arg ptr[out, __semun])
compat_50_____semctl13$IPC_SET(semid ipc_sem, semnum const[0], cmd const[IPC_SET], arg ptr[in, __semun])
compat_50_____semctl13$IPC_RMID(semid ipc_sem, semnum const[0], cmd const[IPC_RMID])
compat_50_____semctl13$SETALL(semid ipc_sem, semnum const[0], cmd const[SETALL], arg ptr[in, __semun])
compat_50_____semctl13$GETALL(semid ipc_sem, semnum const[0], cmd const[GETALL], arg ptr[out, __semun])
compat_50_____semctl13$GETZCNT(semid ipc_sem, semnum const[0], cmd const[GETZCNT])
compat_50_____semctl13$GETNCNT(semid ipc_sem, semnum const[0], cmd const[GETNCNT])
compat_50_____semctl13$GETPID(semid ipc_sem, semnum const[0], cmd const[GETPID])
compat_50_____semctl13$SETVAL(semid ipc_sem, semnum const[0], cmd const[SETVAL], arg ptr[in, __semun])
compat_50_____semctl13$GETVAL(semid ipc_sem, semnum const[0], cmd const[GETVAL])
____semctl50$IPC_STAT(semid ipc_sem, semnum const[0], cmd const[IPC_STAT], arg ptr[out, __semun])
____semctl50$IPC_SET(semid ipc_sem, semnum const[0], cmd const[IPC_SET], arg ptr[in, __semun])
____semctl50$IPC_RMID(semid ipc_sem, semnum const[0], cmd const[IPC_RMID])
____semctl50$SETALL(semid ipc_sem, semnum const[0], cmd const[SETALL], arg ptr[in, __semun])
____semctl50$GETALL(semid ipc_sem, semnum const[0], cmd const[GETALL], arg ptr[out, __semun])
____semctl50$GETZCNT(semid ipc_sem, semnum const[0], cmd const[GETZCNT])
____semctl50$GETNCNT(semid ipc_sem, semnum const[0], cmd const[GETNCNT])
____semctl50$GETPID(semid ipc_sem, semnum const[0], cmd const[GETPID])
____semctl50$SETVAL(semid ipc_sem, semnum const[0], cmd const[SETVAL], arg ptr[in, __semun])
____semctl50$GETVAL(semid ipc_sem, semnum const[0], cmd const[GETVAL])

resource ipc_shm[ipc]
resource shmaddr[intptr]: 0
# The unused arg is unused by syscall (does not exist at all),
# but it helps to generate sane size values.
shmget(key proc[2039339027, 4], size len[unused], flags flags[shmget_flags], unused vma) ipc_shm
shmget$private(key const[IPC_PRIVATE], size len[unused], flags flags[shmget_flags], unused vma) ipc_shm
shmat(shmid ipc_shm, addr vma, flags flags[shmat_flags]) shmaddr
shmctl$IPC_STAT(shmid ipc_shm, cmd const[IPC_STAT], buf buffer[out])
shmctl$IPC_SET(shmid ipc_shm, cmd const[IPC_SET], buf ptr[in, shmid_ds])
shmctl$IPC_RMID(shmid ipc_shm, cmd const[IPC_RMID])
shmctl$SHM_LOCK(shmid ipc_shm, cmd const[SHM_LOCK])
shmctl$SHM_UNLOCK(shmid ipc_shm, cmd const[SHM_UNLOCK])
shmdt(addr shmaddr)
compat_14_shmctl$IPC_STAT(shmid ipc_shm, cmd const[IPC_STAT], buf ptr[out, shmid_ds14])
compat_14_shmctl$IPC_SET(shmid ipc_shm, cmd const[IPC_SET], buf ptr[in, shmid_ds14])
compat_14_shmctl$IPC_RMID(shmid ipc_shm, cmd const[IPC_RMID])
compat_14_shmctl$SHM_LOCK(shmid ipc_shm, cmd const[SHM_LOCK])
compat_14_shmctl$SHM_UNLOCK(shmid ipc_shm, cmd const[SHM_UNLOCK])
compat_50___shmctl13$IPC_STAT(shmid ipc_shm, cmd const[IPC_STAT], buf ptr[out, shmid_ds13])
compat_50___shmctl13$IPC_SET(shmid ipc_shm, cmd const[IPC_SET], buf ptr[in, shmid_ds13])
compat_50___shmctl13$IPC_RMID(shmid ipc_shm, cmd const[IPC_RMID])
compat_50___shmctl13$SHM_LOCK(shmid ipc_shm, cmd const[SHM_LOCK])
compat_50___shmctl13$SHM_UNLOCK(shmid ipc_shm, cmd const[SHM_UNLOCK])

msgget_flags = IPC_CREAT, IPC_EXCL, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH
msgbuf_type = 0, 1, 2, 3
msgsnd_flags = IPC_NOWAIT
msgrcv_flags = IPC_NOWAIT, MSG_NOERROR
semget_flags = IPC_CREAT, IPC_EXCL, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH
semop_flags = IPC_NOWAIT, SEM_UNDO
sem_sem_id = 0, 1, 2, 3, 4
shmget_flags = IPC_CREAT, IPC_EXCL, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH
shmat_flags = SHM_RND, SHM_RDONLY

ipc_perm {
	key	int32
	uid	uid
	gid	gid
	cuid	uid
	cgid	gid
	mode	flags[open_mode, int32]
	seq	int16
	pad0	const[0, int16]
	pad1	const[0, intptr]
	pad2	const[0, intptr]
}

msqid_ds {
	perm	ipc_perm
	qnum	intptr
	qbytes	intptr
	lspid	pid
	lrpid	pid
	stime	intptr
	rtime	intptr
	ctime	intptr
	cbytes	intptr
	pad0	const[0, intptr]
	pad1	const[0, intptr]
}

shmid_ds {
	perm	ipc_perm
	segsz	int32
	nattch	int16
	cpid	pid
	lpid	pid
	atime	intptr
	dtime	intptr
	ctime	intptr
	unused0	const[0, int16]
	unused1	const[0, intptr]
	unused2	const[0, intptr]
}

semid_ds {
	perm	ipc_perm
	otime	intptr
	ctime	intptr
	nsems	intptr
	pad0	const[0, intptr]
	pad1	const[0, intptr]
}

sembuf {
	num	flags[sem_sem_id, int16]
	op	int16
	flg	flags[semop_flags, int16]
}

msgbuf {
	typ	flags[msgbuf_type, intptr]
	data	array[int8]
} [packed]

shmid_ds14 {
	shm_perm	ipc_perm14
	shm_segsz	int32
	shm_lpid	int32
	shm_cpid	int32
	shm_nattch	int16
	shm_atime	int32
	shm_dtime	int32
	shm_ctime	int32
	shm_internal	buffer[in]
}

shmid_ds13 {
	shm_perm	ipc_perm
	shm_segsz	intptr
	shm_lpid	int32
	shm_cpid	int32
	shm_nattch	int32
	shm_atime	intptr
	shm_dtime	intptr
	shm_ctime	intptr
	_shm_internal	buffer[in]
}

semid_ds13 {
	sem_perm	ipc_perm13
	sem_nsems	int16
	sem_otime	intptr
	sem_ctime	intptr
	_sem_base	ptr[inout, __sem]
}

ipc_perm13 {
	uid	uid
	gid	gid
	cuid	int32
	cgid	int32
	mode	flags[open_mode, int32]
	_seq	int16
	_key	intptr
}

__sem {
	semval	int16
	sempid	int32
	semncnt	int16
	semzcnt	int16
}

__semun [
	val	int32
	buf	ptr[inout, semid_ds13]
	array	ptr[inout, int16]
]

msqid_ds14 {
	msg_perm	ipc_perm14
	msg_first	ptr[inout, __msg]
	msg_last	ptr[inout, __msg]
	msg_cbytes	intptr
	msg_qnum	intptr
	msg_qbytes	intptr
	msg_lspid	int32
	msg_lrpid	int32
	msg_stime	int32
	msg_pad1	const[0, intptr]
	msg_rtime	int32
	msg_pad2	const[0, intptr]
	msg_ctime	int32
	msg_pad3	const[0, intptr]
	msg_pad4	array[intptr, 4]
}

msqid_ds13 {
	msg_perm	ipc_perm
	msg_qnum	intptr
	msg_qbytes	intptr
	msg_lspid	int32
	msg_lrpid	int32
	msg_stime	intptr
	msg_rtime	intptr
	msg_ctime	intptr
	_msg_first	ptr[in, __msg]
	_msg_last	ptr[in, __msg]
	_msg_cbytes	intptr
}

ipc_perm14 {
	cuid	int16
	cgid	int16
	uid	int16
	gid	int16
	mode	flags[open_mode, int16]
	seq	int16
	key	intptr
}

__msg {
	msg_next	ptr[inout, __msg, opt]
	msg_type	intptr
	msg_ts		int16
	msg_spot	int16
}