^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2004-2005 Silicon Graphics, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/mount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/fsmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "xfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "xfs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "xfs_shared.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "xfs_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "xfs_log_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "xfs_trans_resv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "xfs_mount.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "xfs_inode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "xfs_iwalk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "xfs_itable.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "xfs_fsops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "xfs_rtalloc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "xfs_attr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "xfs_ioctl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "xfs_ioctl32.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "xfs_trace.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "xfs_sb.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define _NATIVE_IOC(cmd, type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #ifdef BROKEN_X86_ALIGNMENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) xfs_compat_flock64_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) xfs_flock64_t *bf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) compat_xfs_flock64_t __user *arg32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) if (get_user(bf->l_type, &arg32->l_type) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) get_user(bf->l_whence, &arg32->l_whence) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) get_user(bf->l_start, &arg32->l_start) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) get_user(bf->l_len, &arg32->l_len) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) get_user(bf->l_sysid, &arg32->l_sysid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) get_user(bf->l_pid, &arg32->l_pid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) xfs_compat_ioc_fsgeometry_v1(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) compat_xfs_fsop_geom_v1_t __user *arg32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct xfs_fsop_geom fsgeo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) xfs_fs_geometry(&mp->m_sb, &fsgeo, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* The 32-bit variant simply has some padding at the end */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) xfs_compat_growfs_data_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct xfs_growfs_data *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) compat_xfs_growfs_data_t __user *arg32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (get_user(in->newblocks, &arg32->newblocks) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) get_user(in->imaxpct, &arg32->imaxpct))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) xfs_compat_growfs_rt_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct xfs_growfs_rt *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) compat_xfs_growfs_rt_t __user *arg32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (get_user(in->newblocks, &arg32->newblocks) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) get_user(in->extsize, &arg32->extsize))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) xfs_fsinumbers_fmt_compat(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct xfs_ibulk *breq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) const struct xfs_inumbers *ig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct compat_xfs_inogrp __user *p32 = breq->ubuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct xfs_inogrp ig1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct xfs_inogrp *igrp = &ig1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) xfs_inumbers_to_inogrp(&ig1, ig);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (put_user(igrp->xi_startino, &p32->xi_startino) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) put_user(igrp->xi_alloccount, &p32->xi_alloccount) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) put_user(igrp->xi_allocmask, &p32->xi_allocmask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return xfs_ibulk_advance(breq, sizeof(struct compat_xfs_inogrp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define xfs_fsinumbers_fmt_compat xfs_fsinumbers_fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #endif /* BROKEN_X86_ALIGNMENT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) xfs_ioctl32_bstime_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) xfs_bstime_t *bstime,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) compat_xfs_bstime_t __user *bstime32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) old_time32_t sec32; /* tv_sec differs on 64 vs. 32 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (get_user(sec32, &bstime32->tv_sec) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) get_user(bstime->tv_nsec, &bstime32->tv_nsec))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) bstime->tv_sec = sec32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * struct xfs_bstat has differing alignment on intel, & bstime_t sizes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * everywhere
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) xfs_ioctl32_bstat_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct xfs_bstat *bstat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct compat_xfs_bstat __user *bstat32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (get_user(bstat->bs_ino, &bstat32->bs_ino) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) get_user(bstat->bs_mode, &bstat32->bs_mode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) get_user(bstat->bs_nlink, &bstat32->bs_nlink) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) get_user(bstat->bs_uid, &bstat32->bs_uid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) get_user(bstat->bs_gid, &bstat32->bs_gid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) get_user(bstat->bs_rdev, &bstat32->bs_rdev) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) get_user(bstat->bs_blksize, &bstat32->bs_blksize) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) get_user(bstat->bs_size, &bstat32->bs_size) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) xfs_ioctl32_bstime_copyin(&bstat->bs_atime, &bstat32->bs_atime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) xfs_ioctl32_bstime_copyin(&bstat->bs_mtime, &bstat32->bs_mtime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) xfs_ioctl32_bstime_copyin(&bstat->bs_ctime, &bstat32->bs_ctime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) get_user(bstat->bs_blocks, &bstat32->bs_size) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) get_user(bstat->bs_xflags, &bstat32->bs_size) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) get_user(bstat->bs_extsize, &bstat32->bs_extsize) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) get_user(bstat->bs_extents, &bstat32->bs_extents) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) get_user(bstat->bs_gen, &bstat32->bs_gen) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) get_user(bstat->bs_projid_lo, &bstat32->bs_projid_lo) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) get_user(bstat->bs_projid_hi, &bstat32->bs_projid_hi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) get_user(bstat->bs_forkoff, &bstat32->bs_forkoff) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) get_user(bstat->bs_aextents, &bstat32->bs_aextents))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /* XFS_IOC_FSBULKSTAT and friends */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) xfs_bstime_store_compat(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) compat_xfs_bstime_t __user *p32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) const xfs_bstime_t *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) __s32 sec32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) sec32 = p->tv_sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (put_user(sec32, &p32->tv_sec) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) put_user(p->tv_nsec, &p32->tv_nsec))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /* Return 0 on success or positive error (to xfs_bulkstat()) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) xfs_fsbulkstat_one_fmt_compat(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct xfs_ibulk *breq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) const struct xfs_bulkstat *bstat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct compat_xfs_bstat __user *p32 = breq->ubuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct xfs_bstat bs1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct xfs_bstat *buffer = &bs1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) xfs_bulkstat_to_bstat(breq->mp, &bs1, bstat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (put_user(buffer->bs_ino, &p32->bs_ino) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) put_user(buffer->bs_mode, &p32->bs_mode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) put_user(buffer->bs_nlink, &p32->bs_nlink) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) put_user(buffer->bs_uid, &p32->bs_uid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) put_user(buffer->bs_gid, &p32->bs_gid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) put_user(buffer->bs_rdev, &p32->bs_rdev) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) put_user(buffer->bs_blksize, &p32->bs_blksize) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) put_user(buffer->bs_size, &p32->bs_size) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) put_user(buffer->bs_blocks, &p32->bs_blocks) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) put_user(buffer->bs_xflags, &p32->bs_xflags) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) put_user(buffer->bs_extsize, &p32->bs_extsize) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) put_user(buffer->bs_extents, &p32->bs_extents) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) put_user(buffer->bs_gen, &p32->bs_gen) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) put_user(buffer->bs_projid, &p32->bs_projid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) put_user(buffer->bs_projid_hi, &p32->bs_projid_hi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) put_user(buffer->bs_forkoff, &p32->bs_forkoff) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) put_user(buffer->bs_dmstate, &p32->bs_dmstate) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) put_user(buffer->bs_aextents, &p32->bs_aextents))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return xfs_ibulk_advance(breq, sizeof(struct compat_xfs_bstat));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* copied from xfs_ioctl.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) xfs_compat_ioc_fsbulkstat(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) xfs_mount_t *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) unsigned int cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) struct compat_xfs_fsop_bulkreq __user *p32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u32 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) struct xfs_fsop_bulkreq bulkreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct xfs_ibulk breq = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .mp = mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .ocount = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) xfs_ino_t lastino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * Output structure handling functions. Depending on the command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) * either the xfs_bstat and xfs_inogrp structures are written out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * to userpace memory via bulkreq.ubuffer. Normally the compat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) * functions and structure size are the correct ones to use ...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) inumbers_fmt_pf inumbers_func = xfs_fsinumbers_fmt_compat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) bulkstat_one_fmt_pf bs_one_func = xfs_fsbulkstat_one_fmt_compat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) #ifdef CONFIG_X86_X32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (in_x32_syscall()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * ... but on x32 the input xfs_fsop_bulkreq has pointers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * which must be handled in the "compat" (32-bit) way, while
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * the xfs_bstat and xfs_inogrp structures follow native 64-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * bit layout convention. So adjust accordingly, otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) * the data written out in compat layout will not match what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * x32 userspace expects.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) inumbers_func = xfs_fsinumbers_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) bs_one_func = xfs_fsbulkstat_one_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /* done = 1 if there are more stats to get and if bulkstat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* should be called again (unused here, but used in dmapi) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (!capable(CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (XFS_FORCED_SHUTDOWN(mp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (get_user(addr, &p32->lastip))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) bulkreq.lastip = compat_ptr(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (get_user(bulkreq.icount, &p32->icount) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) get_user(addr, &p32->ubuffer))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) bulkreq.ubuffer = compat_ptr(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (get_user(addr, &p32->ocount))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) bulkreq.ocount = compat_ptr(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (copy_from_user(&lastino, bulkreq.lastip, sizeof(__s64)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (bulkreq.icount <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (bulkreq.ubuffer == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) breq.ubuffer = bulkreq.ubuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) breq.icount = bulkreq.icount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) * FSBULKSTAT_SINGLE expects that *lastip contains the inode number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * that we want to stat. However, FSINUMBERS and FSBULKSTAT expect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * that *lastip contains either zero or the number of the last inode to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * be examined by the previous call and return results starting with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * the next inode after that. The new bulk request back end functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * take the inode to start with, so we have to compute the startino
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * parameter from lastino to maintain correct function. lastino == 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * is a special case because it has traditionally meant "first inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * in filesystem".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (cmd == XFS_IOC_FSINUMBERS_32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) breq.startino = lastino ? lastino + 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) error = xfs_inumbers(&breq, inumbers_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) lastino = breq.startino - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) } else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) breq.startino = lastino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) breq.icount = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) error = xfs_bulkstat_one(&breq, bs_one_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) lastino = breq.startino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) } else if (cmd == XFS_IOC_FSBULKSTAT_32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) breq.startino = lastino ? lastino + 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) error = xfs_bulkstat(&breq, bs_one_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) lastino = breq.startino - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) error = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (bulkreq.lastip != NULL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) copy_to_user(bulkreq.lastip, &lastino, sizeof(xfs_ino_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (bulkreq.ocount != NULL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) copy_to_user(bulkreq.ocount, &breq.ocount, sizeof(__s32)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) xfs_compat_handlereq_copyin(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) xfs_fsop_handlereq_t *hreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) compat_xfs_fsop_handlereq_t __user *arg32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) compat_xfs_fsop_handlereq_t hreq32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) hreq->fd = hreq32.fd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) hreq->path = compat_ptr(hreq32.path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) hreq->oflags = hreq32.oflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) hreq->ihandle = compat_ptr(hreq32.ihandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) hreq->ihandlen = hreq32.ihandlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) hreq->ohandle = compat_ptr(hreq32.ohandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) hreq->ohandlen = compat_ptr(hreq32.ohandlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) STATIC struct dentry *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) xfs_compat_handlereq_to_dentry(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) struct file *parfilp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) compat_xfs_fsop_handlereq_t *hreq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) return xfs_handle_to_dentry(parfilp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) compat_ptr(hreq->ihandle), hreq->ihandlen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) xfs_compat_attrlist_by_handle(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) struct file *parfilp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) compat_xfs_fsop_attrlist_handlereq_t __user *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) compat_xfs_fsop_attrlist_handlereq_t al_hreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) struct dentry *dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (!capable(CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (copy_from_user(&al_hreq, p, sizeof(al_hreq)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (IS_ERR(dentry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return PTR_ERR(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) error = xfs_ioc_attr_list(XFS_I(d_inode(dentry)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) compat_ptr(al_hreq.buffer), al_hreq.buflen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) al_hreq.flags, &p->pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) dput(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) xfs_compat_attrmulti_by_handle(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct file *parfilp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) compat_xfs_attr_multiop_t *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) compat_xfs_fsop_attrmulti_handlereq_t am_hreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) struct dentry *dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) unsigned int i, size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if (!capable(CAP_SYS_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (copy_from_user(&am_hreq, arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) /* overflow check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (am_hreq.opcount >= INT_MAX / sizeof(compat_xfs_attr_multiop_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) return -E2BIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (IS_ERR(dentry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return PTR_ERR(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) error = -E2BIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) if (!size || size > 16 * PAGE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) goto out_dput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) ops = memdup_user(compat_ptr(am_hreq.ops), size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) if (IS_ERR(ops)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) error = PTR_ERR(ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) goto out_dput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) for (i = 0; i < am_hreq.opcount; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) ops[i].am_error = xfs_ioc_attrmulti_one(parfilp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) d_inode(dentry), ops[i].am_opcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) compat_ptr(ops[i].am_attrname),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) compat_ptr(ops[i].am_attrvalue),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) &ops[i].am_length, ops[i].am_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) if (copy_to_user(compat_ptr(am_hreq.ops), ops, size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) error = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) kfree(ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) out_dput:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) dput(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) xfs_file_compat_ioctl(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) struct file *filp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) unsigned cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) unsigned long p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct inode *inode = file_inode(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) struct xfs_inode *ip = XFS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct xfs_mount *mp = ip->i_mount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) void __user *arg = compat_ptr(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) trace_xfs_file_compat_ioctl(ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) #if defined(BROKEN_X86_ALIGNMENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) case XFS_IOC_ALLOCSP_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) case XFS_IOC_FREESP_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) case XFS_IOC_ALLOCSP64_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) case XFS_IOC_FREESP64_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct xfs_flock64 bf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (xfs_compat_flock64_copyin(&bf, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) return xfs_ioc_space(filp, &bf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) case XFS_IOC_FSGEOMETRY_V1_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return xfs_compat_ioc_fsgeometry_v1(mp, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) case XFS_IOC_FSGROWFSDATA_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) struct xfs_growfs_data in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (xfs_compat_growfs_data_copyin(&in, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) error = mnt_want_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) error = xfs_growfs_data(mp, &in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) mnt_drop_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) case XFS_IOC_FSGROWFSRT_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) struct xfs_growfs_rt in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (xfs_compat_growfs_rt_copyin(&in, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) error = mnt_want_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) error = xfs_growfs_rt(mp, &in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) mnt_drop_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /* long changes size, but xfs only copiese out 32 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) case XFS_IOC_GETXFLAGS_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) case XFS_IOC_SETXFLAGS_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) case XFS_IOC_GETVERSION_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) cmd = _NATIVE_IOC(cmd, long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return xfs_file_ioctl(filp, cmd, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) case XFS_IOC_SWAPEXT_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) struct xfs_swapext sxp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) struct compat_xfs_swapext __user *sxu = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) /* Bulk copy in up to the sx_stat field, then copy bstat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) if (copy_from_user(&sxp, sxu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) offsetof(struct xfs_swapext, sx_stat)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) error = mnt_want_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) error = xfs_ioc_swapext(&sxp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) mnt_drop_write_file(filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) case XFS_IOC_FSBULKSTAT_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) case XFS_IOC_FSBULKSTAT_SINGLE_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) case XFS_IOC_FSINUMBERS_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return xfs_compat_ioc_fsbulkstat(mp, cmd, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) case XFS_IOC_FD_TO_HANDLE_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) case XFS_IOC_PATH_TO_HANDLE_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) case XFS_IOC_PATH_TO_FSHANDLE_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) struct xfs_fsop_handlereq hreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) if (xfs_compat_handlereq_copyin(&hreq, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return xfs_find_handle(cmd, &hreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) case XFS_IOC_OPEN_BY_HANDLE_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) struct xfs_fsop_handlereq hreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (xfs_compat_handlereq_copyin(&hreq, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) return xfs_open_by_handle(filp, &hreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) case XFS_IOC_READLINK_BY_HANDLE_32: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) struct xfs_fsop_handlereq hreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) if (xfs_compat_handlereq_copyin(&hreq, arg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) return xfs_readlink_by_handle(filp, &hreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) case XFS_IOC_ATTRLIST_BY_HANDLE_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) return xfs_compat_attrlist_by_handle(filp, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return xfs_compat_attrmulti_by_handle(filp, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) /* try the native version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) return xfs_file_ioctl(filp, cmd, (unsigned long)arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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