# 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 include include include include include include include include resource ipc[int32]: 0, 0xffffffffffffffff # TODO: describe ipc syscall define SYS___semctl 510 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]) msgctl$IPC_INFO(msqid ipc_msq, cmd const[IPC_INFO], buf buffer[out]) resource ipc_sem[ipc] semget(key proc[2039359027, 4], nsems flags[sem_sem_id], flags flags[semget_flags]) ipc_sem semget$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$GETVAL produces random errno values, so we use ignore_return attribute. # Since we don't have strict const enforcement, we need to apply it to all variants. # When/if we have stricter enforcement of arguments for syscall variants, we may remove some of the attributes. __semctl$IPC_STAT(semid ipc_sem, semnum const[0], cmd const[IPC_STAT], arg ptr[in, ptr[out, semid_ds]]) (ignore_return) __semctl$IPC_SET(semid ipc_sem, semnum const[0], cmd const[IPC_SET], arg ptr[in, ptr[in, semid_ds]]) (ignore_return) __semctl$IPC_RMID(semid ipc_sem, semnum const[0], cmd const[IPC_RMID]) (ignore_return) __semctl$SEM_STAT(semid ipc_sem, semnum flags[sem_sem_id], cmd const[SEM_STAT], arg ptr[in, ptr[out, semid_ds]]) (ignore_return) __semctl$GETALL(semid ipc_sem, semnum const[0], cmd const[GETALL], arg ptr[in, array[int16]]) (ignore_return) __semctl$GETNCNT(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETNCNT]) (ignore_return) __semctl$GETZCNT(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETZCNT]) (ignore_return) __semctl$GETPID(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETPID]) (ignore_return) __semctl$GETVAL(semid ipc_sem, semnum flags[sem_sem_id], cmd const[GETVAL]) (ignore_return) __semctl$SETALL(semid ipc_sem, semnum const[0], cmd const[SETALL], arg ptr[in, array[int16]]) (ignore_return) __semctl$SETVAL(semid ipc_sem, semnum flags[sem_sem_id], cmd const[SETVAL], arg ptr[in, ptr[in, int32]]) (ignore_return) 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$IPC_INFO(shmid ipc_shm, cmd const[IPC_INFO], buf buffer[out]) shmctl$SHM_INFO(shmid ipc_shm, cmd const[SHM_INFO], buf buffer[out]) shmctl$SHM_STAT(shmid ipc_shm, cmd const[SHM_STAT], buf buffer[out]) shmctl$SHM_LOCK(shmid ipc_shm, cmd const[SHM_LOCK]) shmctl$SHM_UNLOCK(shmid ipc_shm, cmd const[SHM_UNLOCK]) shmdt(addr shmaddr) resource shmfd[fd] freebsd12_shm_open(path ptr[in, filename], flags flags[shm_open_flags], mode flags[open_mode]) shmfd shm_open2(path ptr[in, filename], flags flags[shm_open_flags], mode flags[open_mode], shmflags flags[shm_open2_flags], name ptr[in, string]) shmfd shm_rename(from ptr[in, filename], to ptr[in, filename], flags flags[shm_rename_flags]) shm_unlink(path ptr[in, filename]) ioctl$FIOSSHMLPGCNF(fd shmfd, cmd const[FIOSSHMLPGCNF], arg ptr[in, shmlgpgconf]) ioctl$FIOGSHMLPGCNF(fd shmfd, cmd const[FIOGSHMLPGCNF], arg ptr[out, shmlgpgconf]) shmlgpgconf { psind int32 alloc int32 pad array[const[0, int32], 10] } msgget_flags = IPC_CREAT, IPC_EXCL, open_mode msgbuf_type = 0, 1, 2, 3 msgsnd_flags = IPC_NOWAIT msgrcv_flags = IPC_NOWAIT, MSG_NOERROR semget_flags = IPC_CREAT, IPC_EXCL, open_mode semop_flags = IPC_NOWAIT, SEM_UNDO sem_sem_id = 0, 1, 2, 3, 4 shmget_flags = IPC_CREAT, IPC_EXCL, open_mode shmat_flags = SHM_RND, SHM_RDONLY shm_open_flags = O_RDONLY, O_RDWR, O_CREAT, O_EXCL, O_TRUNC shm_open2_flags = SHM_ALLOW_SEALING, SHM_GROW_ON_WRITE, SHM_LARGEPAGE shm_rename_flags = SHM_RENAME_EXCHANGE, SHM_RENAME_NOREPLACE ipc_perm { cuid uid cgid gid uid uid gid gid mode flags[open_mode, int16] seq int16 pad0 const[0, int32] key intptr } msqid_ds { perm ipc_perm stime intptr rtime intptr ctime intptr cbytes intptr qnum intptr qbytes intptr lspid pid lrpid pid pad0 const[0, intptr] pad1 const[0, intptr] } shmid_ds { perm ipc_perm segsz int32 atime intptr dtime intptr ctime intptr cpid pid lpid pid nattch int16 unused0 const[0, int16] unused1 const[0, intptr] unused2 const[0, intptr] } semid_ds { perm ipc_perm base intptr nsems int16 pad0 const[0, int16] pad1 const[0, int32] otime int64 ctime int64 } sembuf { num flags[sem_sem_id, int16] op int16 flg flags[semop_flags, int16] } msgbuf { typ flags[msgbuf_type, intptr] data array[int8] } [packed]