diff options
Diffstat (limited to 'sys/compat')
-rw-r--r-- | sys/compat/linprocfs/linprocfs.c | 8 | ||||
-rw-r--r-- | sys/compat/linux/linux_file.c | 2 | ||||
-rw-r--r-- | sys/compat/linux/linux_misc.c | 35 | ||||
-rw-r--r-- | sys/compat/linux/linux_uid16.c | 34 |
4 files changed, 18 insertions, 61 deletions
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c index cfb054235489..1c6d64d6b8bc 100644 --- a/sys/compat/linprocfs/linprocfs.c +++ b/sys/compat/linprocfs/linprocfs.c @@ -1911,7 +1911,7 @@ linprocfs_doproclimits(PFS_FILL_ARGS) "kern.sigqueue.max_pending_per_proc", &res, &size, 0, 0, 0, 0); if (error != 0) - goto out; + continue; rl.rlim_cur = res; rl.rlim_max = res; break; @@ -1919,7 +1919,7 @@ linprocfs_doproclimits(PFS_FILL_ARGS) error = kernel_sysctlbyname(td, "kern.ipc.msgmnb", &res, &size, 0, 0, 0, 0); if (error != 0) - goto out; + continue; rl.rlim_cur = res; rl.rlim_max = res; break; @@ -1941,9 +1941,9 @@ linprocfs_doproclimits(PFS_FILL_ARGS) li->desc, (unsigned long long)rl.rlim_cur, (unsigned long long)rl.rlim_max, li->unit); } -out: + lim_free(limp); - return (error); + return (0); } /* diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c index 86834a7ecea8..a4be5313aa96 100644 --- a/sys/compat/linux/linux_file.c +++ b/sys/compat/linux/linux_file.c @@ -1792,7 +1792,7 @@ linux_memfd_create(struct thread *td, struct linux_memfd_create_args *args) if ((flags & MFD_ALLOW_SEALING) != 0) shmflags |= SHM_ALLOW_SEALING; return (kern_shm_open2(td, SHM_ANON, oflags, 0, shmflags, NULL, - memfd_name)); + memfd_name, NULL)); } int diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index b88f1451f1a2..31460819e6ab 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1030,47 +1030,32 @@ linux_setgroups(struct thread *td, struct linux_setgroups_args *args) { struct ucred *newcred, *oldcred; l_gid_t *linux_gidset; - gid_t *bsd_gidset; int ngrp, error; struct proc *p; ngrp = args->gidsetsize; - if (ngrp < 0 || ngrp >= ngroups_max + 1) + if (ngrp < 0 || ngrp >= ngroups_max) return (EINVAL); linux_gidset = malloc(ngrp * sizeof(*linux_gidset), M_LINUX, M_WAITOK); error = copyin(args->grouplist, linux_gidset, ngrp * sizeof(l_gid_t)); if (error) goto out; newcred = crget(); - crextend(newcred, ngrp + 1); + crextend(newcred, ngrp); p = td->td_proc; PROC_LOCK(p); oldcred = p->p_ucred; crcopy(newcred, oldcred); - /* - * cr_groups[0] holds egid. Setting the whole set from - * the supplied set will cause egid to be changed too. - * Keep cr_groups[0] unchanged to prevent that. - */ - if ((error = priv_check_cred(oldcred, PRIV_CRED_SETGROUPS)) != 0) { PROC_UNLOCK(p); crfree(newcred); goto out; } - if (ngrp > 0) { - newcred->cr_ngroups = ngrp + 1; - - bsd_gidset = newcred->cr_groups; - ngrp--; - while (ngrp >= 0) { - bsd_gidset[ngrp + 1] = linux_gidset[ngrp]; - ngrp--; - } - } else - newcred->cr_ngroups = 1; + newcred->cr_ngroups = ngrp; + for (int i = 0; i < ngrp; i++) + newcred->cr_groups[i] = linux_gidset[i]; setsugid(p); proc_set_cred(p, newcred); @@ -1092,13 +1077,7 @@ linux_getgroups(struct thread *td, struct linux_getgroups_args *args) cred = td->td_ucred; bsd_gidset = cred->cr_groups; - bsd_gidsetsz = cred->cr_ngroups - 1; - - /* - * cr_groups[0] holds egid. Returning the whole set - * here will cause a duplicate. Exclude cr_groups[0] - * to prevent that. - */ + bsd_gidsetsz = cred->cr_ngroups; if ((ngrp = args->gidsetsize) == 0) { td->td_retval[0] = bsd_gidsetsz; @@ -1112,7 +1091,7 @@ linux_getgroups(struct thread *td, struct linux_getgroups_args *args) linux_gidset = malloc(bsd_gidsetsz * sizeof(*linux_gidset), M_LINUX, M_WAITOK); while (ngrp < bsd_gidsetsz) { - linux_gidset[ngrp] = bsd_gidset[ngrp + 1]; + linux_gidset[ngrp] = bsd_gidset[ngrp]; ngrp++; } diff --git a/sys/compat/linux/linux_uid16.c b/sys/compat/linux/linux_uid16.c index a0c9f1c39198..9fe799c0b9de 100644 --- a/sys/compat/linux/linux_uid16.c +++ b/sys/compat/linux/linux_uid16.c @@ -87,12 +87,11 @@ linux_setgroups16(struct thread *td, struct linux_setgroups16_args *args) { struct ucred *newcred, *oldcred; l_gid16_t *linux_gidset; - gid_t *bsd_gidset; int ngrp, error; struct proc *p; ngrp = args->gidsetsize; - if (ngrp < 0 || ngrp >= ngroups_max + 1) + if (ngrp < 0 || ngrp >= ngroups_max) return (EINVAL); linux_gidset = malloc(ngrp * sizeof(*linux_gidset), M_LINUX, M_WAITOK); error = copyin(args->gidset, linux_gidset, ngrp * sizeof(l_gid16_t)); @@ -106,12 +105,6 @@ linux_setgroups16(struct thread *td, struct linux_setgroups16_args *args) PROC_LOCK(p); oldcred = crcopysafe(p, newcred); - /* - * cr_groups[0] holds egid. Setting the whole set from - * the supplied set will cause egid to be changed too. - * Keep cr_groups[0] unchanged to prevent that. - */ - if ((error = priv_check_cred(oldcred, PRIV_CRED_SETGROUPS)) != 0) { PROC_UNLOCK(p); crfree(newcred); @@ -121,18 +114,9 @@ linux_setgroups16(struct thread *td, struct linux_setgroups16_args *args) goto out; } - if (ngrp > 0) { - newcred->cr_ngroups = ngrp + 1; - - bsd_gidset = newcred->cr_groups; - ngrp--; - while (ngrp >= 0) { - bsd_gidset[ngrp + 1] = linux_gidset[ngrp]; - ngrp--; - } - } - else - newcred->cr_ngroups = 1; + newcred->cr_ngroups = ngrp; + for (int i = 0; i < ngrp; i++) + newcred->cr_groups[i] = linux_gidset[i]; setsugid(td->td_proc); proc_set_cred(p, newcred); @@ -155,13 +139,7 @@ linux_getgroups16(struct thread *td, struct linux_getgroups16_args *args) cred = td->td_ucred; bsd_gidset = cred->cr_groups; - bsd_gidsetsz = cred->cr_ngroups - 1; - - /* - * cr_groups[0] holds egid. Returning the whole set - * here will cause a duplicate. Exclude cr_groups[0] - * to prevent that. - */ + bsd_gidsetsz = cred->cr_ngroups; if ((ngrp = args->gidsetsize) == 0) { td->td_retval[0] = bsd_gidsetsz; @@ -175,7 +153,7 @@ linux_getgroups16(struct thread *td, struct linux_getgroups16_args *args) linux_gidset = malloc(bsd_gidsetsz * sizeof(*linux_gidset), M_LINUX, M_WAITOK); while (ngrp < bsd_gidsetsz) { - linux_gidset[ngrp] = bsd_gidset[ngrp + 1]; + linux_gidset[ngrp] = bsd_gidset[ngrp]; ngrp++; } |