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Ext4's typical GPT partition type not recognized

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Adding additional entries to the efi conversion array will help prevent
the overwriting of the GPTs of disks with in-use file systems in more
cases. Most notably, this adds partition type 8300 "Linux filesystem"
(0FC63DAF-8483-4772-8E79-3D69D8477DE4), which is often used for ext4 and
btrfs, among others.

This commit itself does nothing to address the underlying problematic
behavior that check_slice() isn't called on partitions of an
unrecognized type, even when they contain a currently mounted file
system.

The additional entries were derived from these two resources:
https://en.wikipedia.org/wiki/GUID_Partition_Table
http://sourceforge.net/p/gptfdisk/code/ci/master/tree/parttypes.cc

Signed-off-by: ilovezfs <ilovezfs@icloud.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4016
This commit is contained in:
ilovezfs 2015-11-22 04:06:21 -08:00 committed by Brian Behlendorf
parent fc80384923
commit 917b8c5cec
2 changed files with 187 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
include/sys/efi_partition.h
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@ -146,6 +146,132 @@ typedef struct efi_gpe_Attrs {
#define EFI_FREEBSD_ZFS { 0x516e7cba, 0x6ecf, 0x11d6, 0x8f, 0xf8, \
{ 0x00, 0x02, 0x2d, 0x09, 0x71, 0x2b } }
/* From Wikipedia */
#define EFI_BIOS_BOOT { 0x21686148, 0x6449, 0x6e6f, 0x74, 0x4e, \
{ 0x65, 0x65, 0x64, 0x45, 0x46, 0x49 } }
#define EFI_INTC_RS { 0xd3bfe2de, 0x3daf, 0x11df, 0xba, 0x40, \
{ 0xe3, 0xa5, 0x56, 0xd8, 0x95, 0x93 } }
#define EFI_SNE_BOOT { 0xf4019732, 0x066e, 0x4e12, 0x82, 0x73, \
{ 0x34, 0x6c, 0x56, 0x41, 0x49, 0x4f } }
#define EFI_LENOVO_BOOT { 0xbfbfafe7, 0xa34f, 0x448a, 0x9a, 0x5b, \
{ 0x62, 0x13, 0xeb, 0x73, 0x6c, 0x22 } }
#define EFI_MSFT_LDMM { 0x5808c8aa, 0x7e8f, 0x42e0, 0x85, 0xd2, \
{ 0xe1, 0xe9, 0x04, 0x34, 0xcf, 0xb3 } }
#define EFI_MSFT_LDMD { 0xaf9b60a0, 0x1431, 0x4f62, 0xbc, 0x68, \
{ 0x33, 0x11, 0x71, 0x4a, 0x69, 0xad } }
#define EFI_MSFT_RE { 0xde94bba4, 0x06d1, 0x4d40, 0xa1, 0x6a, \
{ 0xbf, 0xd5, 0x01, 0x79, 0xd6, 0xac } }
#define EFI_IBM_GPFS { 0x37affc90, 0xef7d, 0x4e96, 0x91, 0xc3, \
{ 0x2d, 0x7a, 0xe0, 0x55, 0xb1, 0x74 } }
#define EFI_MSFT_STORAGESPACES { 0xe75caf8f, 0xf680, 0x4cee, 0xaf, 0xa3, \
{ 0xb0, 0x01, 0xe5, 0x6e, 0xfc, 0x2d } }
#define EFI_HPQ_DATA { 0x75894c1e, 0x3aeb, 0x11d3, 0xb7, 0xc1, \
{ 0x7b, 0x03, 0xa0, 0x00, 0x00, 0x00 } }
#define EFI_HPQ_SVC { 0xe2a1e728, 0x32e3, 0x11d6, 0xa6, 0x82, \
{ 0x7b, 0x03, 0xa0, 0x00, 0x00, 0x00 } }
#define EFI_RHT_DATA { 0x0fc63daf, 0x8483, 0x4772, 0x8e, 0x79, \
{ 0x3d, 0x69, 0xd8, 0x47, 0x7d, 0xe4 } }
#define EFI_RHT_HOME { 0x933ac7e1, 0x2eb4, 0x4f13, 0xb8, 0x44, \
{ 0x0e, 0x14, 0xe2, 0xae, 0xf9, 0x15 } }
#define EFI_RHT_SRV { 0x3b8f8425, 0x20e0, 0x4f3b, 0x90, 0x7f, \
{ 0x1a, 0x25, 0xa7, 0x6f, 0x98, 0xe8 } }
#define EFI_RHT_DMCRYPT { 0x7ffec5c9, 0x2d00, 0x49b7, 0x89, 0x41, \
{ 0x3e, 0xa1, 0x0a, 0x55, 0x86, 0xb7 } }
#define EFI_RHT_LUKS { 0xca7d7ccb, 0x63ed, 0x4c53, 0x86, 0x1c, \
{ 0x17, 0x42, 0x53, 0x60, 0x59, 0xcc } }
#define EFI_FREEBSD_DISKLABEL { 0x516e7cb4, 0x6ecf, 0x11d6, 0x8f, 0xf8, \
{ 0x00, 0x02, 0x2d, 0x09, 0x71, 0x2b } }
#define EFI_AAPL_RAID { 0x52414944, 0x0000, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_AAPL_RAIDOFFLINE { 0x52414944, 0x5f4f, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_AAPL_BOOT { 0x426f6f74, 0x0000, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_AAPL_LABEL { 0x4c616265, 0x6c00, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_AAPL_TVRECOVERY { 0x5265636f, 0x7665, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_AAPL_CORESTORAGE { 0x53746f72, 0x6167, 0x11aa, 0xaa, 0x11, \
{ 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } }
#define EFI_NETBSD_SWAP { 0x49f48d32, 0xb10e, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_NETBSD_FFS { 0x49f48d5a, 0xb10e, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_NETBSD_LFS { 0x49f48d82, 0xb10e, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_NETBSD_RAID { 0x49f48daa, 0xb10e, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_NETBSD_CAT { 0x2db519c4, 0xb10f, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_NETBSD_CRYPT { 0x2db519ec, 0xb10f, 0x11dc, 0xb9, 0x9b, \
{ 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } }
#define EFI_GOOG_KERN { 0xfe3a2a5d, 0x4f32, 0x41a7, 0xb7, 0x25, \
{ 0xac, 0xcc, 0x32, 0x85, 0xa3, 0x09 } }
#define EFI_GOOG_ROOT { 0x3cb8e202, 0x3b7e, 0x47dd, 0x8a, 0x3c, \
{ 0x7f, 0xf2, 0xa1, 0x3c, 0xfc, 0xec } }
#define EFI_GOOG_RESV { 0x2e0a753d, 0x9e48, 0x43b0, 0x83, 0x37, \
{ 0xb1, 0x51, 0x92, 0xcb, 0x1b, 0x5e } }
#define EFI_HAIKU_BFS { 0x42465331, 0x3ba3, 0x10f1, 0x80, 0x2a, \
{ 0x48, 0x61, 0x69, 0x6b, 0x75, 0x21 } }
#define EFI_MIDNIGHTBSD_BOOT { 0x85d5e45e, 0x237c, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_MIDNIGHTBSD_DATA { 0x85d5e45a, 0x237c, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_MIDNIGHTBSD_SWAP { 0x85d5e45b, 0x237c, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_MIDNIGHTBSD_UFS { 0x0394ef8b, 0x237e, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_MIDNIGHTBSD_VINUM { 0x85d5e45c, 0x237c, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_MIDNIGHTBSD_ZFS { 0x85d5e45d, 0x237c, 0x11e1, 0xb4, 0xb3, \
{ 0xe8, 0x9a, 0x8f, 0x7f, 0xc3, 0xa7 } }
#define EFI_CEPH_JOURNAL { 0x45b0969e, 0x9b03, 0x4f30, 0xb4, 0xc6, \
{ 0xb4, 0xb8, 0x0c, 0xef, 0xf1, 0x06 } }
#define EFI_CEPH_DMCRYPTJOURNAL { 0x45b0969e, 0x9b03, 0x4f30, 0xb4, 0xc6, \
{ 0x5e, 0xc0, 0x0c, 0xef, 0xf1, 0x06 } }
#define EFI_CEPH_OSD { 0x4fbd7e29, 0x9d25, 0x41b8, 0xaf, 0xd0, \
{ 0x06, 0x2c, 0x0c, 0xef, 0xf0, 0x5d } }
#define EFI_CEPH_DMCRYPTOSD { 0x4fbd7e29, 0x9d25, 0x41b8, 0xaf, 0xd0, \
{ 0x5e, 0xc0, 0x0c, 0xef, 0xf0, 0x5d } }
#define EFI_CEPH_CREATE { 0x89c57f98, 0x2fe5, 0x4dc0, 0x89, 0xc1, \
{ 0xf3, 0xad, 0x0c, 0xef, 0xf2, 0xbe } }
#define EFI_CEPH_DMCRYPTCREATE { 0x89c57f98, 0x2fe5, 0x4dc0, 0x89, 0xc1, \
{ 0x5e, 0xc0, 0x0c, 0xef, 0xf2, 0xbe } }
#define EFI_OPENBSD_DISKLABEL { 0x824cc7a0, 0x36a8, 0x11e3, 0x89, 0x0a, \
{ 0x95, 0x25, 0x19, 0xad, 0x3f, 0x61 } }
#define EFI_BBRY_QNX { 0xcef5a9ad, 0x73bc, 0x4601, 0x89, 0xf3, \
{ 0xcd, 0xee, 0xee, 0xe3, 0x21, 0xa1 } }
#define EFI_BELL_PLAN9 { 0xc91818f9, 0x8025, 0x47af, 0x89, 0xd2, \
{ 0xf0, 0x30, 0xd7, 0x00, 0x0c, 0x2c } }
#define EFI_VMW_KCORE { 0x9d275380, 0x40ad, 0x11db, 0xbf, 0x97, \
{ 0x00, 0x0c, 0x29, 0x11, 0xd1, 0xb8 } }
#define EFI_VMW_VMFS { 0xaa31e02a, 0x400f, 0x11db, 0x95, 0x90, \
{ 0x00, 0x0c, 0x29, 0x11, 0xd1, 0xb8 } }
#define EFI_VMW_RESV { 0x9198effc, 0x31c0, 0x11db, 0x8f, 0x78, \
{ 0x00, 0x0c, 0x29, 0x11, 0xd1, 0xb8 } }
/* From GPT fdisk */
#define EFI_RHT_ROOTX86 { 0x44479540, 0xf297, 0x41b2, 0x9a, 0xf7, \
{ 0xd1, 0x31, 0xd5, 0xf0, 0x45, 0x8a } }
#define EFI_RHT_ROOTAMD64 { 0x4f68bce3, 0xe8cd, 0x4db1, 0x96, 0xe7, \
{ 0xfb, 0xca, 0xf9, 0x84, 0xb7, 0x09 } }
#define EFI_RHT_ROOTARM { 0x69dad710, 0x2ce4, 0x4e3c, 0xb1, 0x6c, \
{ 0x21, 0xa1, 0xd4, 0x9a, 0xbe, 0xd3 } }
#define EFI_RHT_ROOTARM64 { 0xb921b045, 0x1df0, 0x41c3, 0xaf, 0x44, \
{ 0x4c, 0x6f, 0x28, 0x0d, 0x3f, 0xae } }
#define EFI_ACRONIS_SECUREZONE { 0x0311fc50, 0x01ca, 0x4725, 0xad, 0x77, \
{ 0x9a, 0xdb, 0xb2, 0x0a, 0xce, 0x98 } }
#define EFI_ONIE_BOOT { 0x7412f7d5, 0xa156, 0x4b13, 0x81, 0xdc, \
{ 0x86, 0x71, 0x74, 0x92, 0x93, 0x25 } }
#define EFI_ONIE_CONFIG { 0xd4e6e2cd, 0x4469, 0x46f3, 0xb5, 0xcb, \
{ 0x1b, 0xff, 0x57, 0xaf, 0xc1, 0x49 } }
#define EFI_IBM_PPRPBOOT { 0x9e1a2d38, 0xc612, 0x4316, 0xaa, 0x26, \
{ 0x8b, 0x49, 0x52, 0x1e, 0x5a, 0x8b } }
#define EFI_FREEDESKTOP_BOOT { 0xbc13c2ff, 0x59e6, 0x4262, 0xa3, 0x52, \
{ 0xb2, 0x75, 0xfd, 0x6f, 0x71, 0x72 } }
/* minimum # of bytes for partition table entires, per EFI spec */
#define EFI_MIN_ARRAY_SIZE (16 * 1024)

62
lib/libefi/rdwr_efi.c
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@ -75,7 +75,67 @@ static struct uuid_to_ptag {
{ EFI_FREEBSD_SWAP },
{ EFI_FREEBSD_UFS },
{ EFI_FREEBSD_VINUM },
{ EFI_FREEBSD_ZFS }
{ EFI_FREEBSD_ZFS },
{ EFI_BIOS_BOOT },
{ EFI_INTC_RS },
{ EFI_SNE_BOOT },
{ EFI_LENOVO_BOOT },
{ EFI_MSFT_LDMM },
{ EFI_MSFT_LDMD },
{ EFI_MSFT_RE },
{ EFI_IBM_GPFS },
{ EFI_MSFT_STORAGESPACES },
{ EFI_HPQ_DATA },
{ EFI_HPQ_SVC },
{ EFI_RHT_DATA },
{ EFI_RHT_HOME },
{ EFI_RHT_SRV },
{ EFI_RHT_DMCRYPT },
{ EFI_RHT_LUKS },
{ EFI_FREEBSD_DISKLABEL },
{ EFI_AAPL_RAID },
{ EFI_AAPL_RAIDOFFLINE },
{ EFI_AAPL_BOOT },
{ EFI_AAPL_LABEL },
{ EFI_AAPL_TVRECOVERY },
{ EFI_AAPL_CORESTORAGE },
{ EFI_NETBSD_SWAP },
{ EFI_NETBSD_FFS },
{ EFI_NETBSD_LFS },
{ EFI_NETBSD_RAID },
{ EFI_NETBSD_CAT },
{ EFI_NETBSD_CRYPT },
{ EFI_GOOG_KERN },
{ EFI_GOOG_ROOT },
{ EFI_GOOG_RESV },
{ EFI_HAIKU_BFS },
{ EFI_MIDNIGHTBSD_BOOT },
{ EFI_MIDNIGHTBSD_DATA },
{ EFI_MIDNIGHTBSD_SWAP },
{ EFI_MIDNIGHTBSD_UFS },
{ EFI_MIDNIGHTBSD_VINUM },
{ EFI_MIDNIGHTBSD_ZFS },
{ EFI_CEPH_JOURNAL },
{ EFI_CEPH_DMCRYPTJOURNAL },
{ EFI_CEPH_OSD },
{ EFI_CEPH_DMCRYPTOSD },
{ EFI_CEPH_CREATE },
{ EFI_CEPH_DMCRYPTCREATE },
{ EFI_OPENBSD_DISKLABEL },
{ EFI_BBRY_QNX },
{ EFI_BELL_PLAN9 },
{ EFI_VMW_KCORE },
{ EFI_VMW_VMFS },
{ EFI_VMW_RESV },
{ EFI_RHT_ROOTX86 },
{ EFI_RHT_ROOTAMD64 },
{ EFI_RHT_ROOTARM },
{ EFI_RHT_ROOTARM64 },
{ EFI_ACRONIS_SECUREZONE },
{ EFI_ONIE_BOOT },
{ EFI_ONIE_CONFIG },
{ EFI_IBM_PPRPBOOT },
{ EFI_FREEDESKTOP_BOOT }
};
/*