lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20131018045001.7339.74218.stgit@birch.djwong.org> Date: Thu, 17 Oct 2013 21:50:01 -0700 From: "Darrick J. Wong" <darrick.wong@...cle.com> To: tytso@....edu, darrick.wong@...cle.com Cc: linux-ext4@...r.kernel.org Subject: [PATCH 10/25] debugfs: handle 64bit block numbers debugfs should use strtoull wrappers for reading block numbers from the command line. "unsigned long" isn't wide enough to handle block numbers on 32bit platforms. Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com> --- debugfs/debugfs.c | 33 ++++++++++++++++++++++----------- debugfs/extent_inode.c | 22 +++++++++------------- debugfs/util.c | 2 +- 3 files changed, 32 insertions(+), 25 deletions(-) diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c index d3db356..46fcd07 100644 --- a/debugfs/debugfs.c +++ b/debugfs/debugfs.c @@ -181,8 +181,7 @@ void do_open_filesys(int argc, char **argv) return; break; case 's': - superblock = parse_ulong(optarg, argv[0], - "superblock number", &err); + err = strtoblk(argv[0], optarg, &superblock); if (err) return; break; @@ -277,14 +276,17 @@ void do_init_filesys(int argc, char **argv) struct ext2_super_block param; errcode_t retval; int err; + blk64_t blocks; if (common_args_process(argc, argv, 3, 3, "initialize", "<device> <blocksize>", CHECK_FS_NOTOPEN)) return; memset(¶m, 0, sizeof(struct ext2_super_block)); - ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0], - "blocks count", &err)); + err = strtoblk(argv[0], argv[2], &blocks); + if (err) + return; + ext2fs_blocks_count_set(¶m, blocks); if (err) return; retval = ext2fs_initialize(argv[1], 0, ¶m, @@ -2109,7 +2111,9 @@ void do_bmap(int argc, char *argv[]) ino = string_to_inode(argv[1]); if (!ino) return; - blk = parse_ulong(argv[2], argv[0], "logical_block", &err); + err = strtoblk(argv[0], argv[2], &blk); + if (err) + return; errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk); if (errcode) { @@ -2254,10 +2258,14 @@ void do_punch(int argc, char *argv[]) ino = string_to_inode(argv[1]); if (!ino) return; - start = parse_ulong(argv[2], argv[0], "logical_block", &err); - if (argc == 4) - end = parse_ulong(argv[3], argv[0], "logical_block", &err); - else + err = strtoblk(argv[0], argv[2], &start); + if (err) + return; + if (argc == 4) { + err = strtoblk(argv[0], argv[3], &end); + if (err) + return; + } else end = ~0; errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end); @@ -2474,8 +2482,11 @@ int main(int argc, char **argv) "block size", 0); break; case 's': - superblock = parse_ulong(optarg, argv[0], - "superblock number", 0); + retval = strtoblk(argv[0], optarg, &superblock); + if (retval) { + com_err(argv[0], retval, 0, debug_prog_name); + return 1; + } break; case 'c': catastrophic = 1; diff --git a/debugfs/extent_inode.c b/debugfs/extent_inode.c index 0bbc4c5..75e328c 100644 --- a/debugfs/extent_inode.c +++ b/debugfs/extent_inode.c @@ -264,7 +264,7 @@ void do_replace_node(int argc, char *argv[]) return; } - extent.e_lblk = parse_ulong(argv[1], argv[0], "logical block", &err); + err = strtoblk(argv[0], argv[1], &extent.e_lblk); if (err) return; @@ -272,7 +272,7 @@ void do_replace_node(int argc, char *argv[]) if (err) return; - extent.e_pblk = parse_ulong(argv[3], argv[0], "logical block", &err); + err = strtoblk(argv[0], argv[3], &extent.e_pblk); if (err) return; @@ -338,8 +338,7 @@ void do_insert_node(int argc, char *argv[]) return; } - extent.e_lblk = parse_ulong(argv[1], cmd, - "logical block", &err); + err = strtoblk(cmd, argv[1], &extent.e_lblk); if (err) return; @@ -348,8 +347,7 @@ void do_insert_node(int argc, char *argv[]) if (err) return; - extent.e_pblk = parse_ulong(argv[3], cmd, - "pysical block", &err); + err = strtoblk(cmd, argv[3], &extent.e_pblk); if (err) return; @@ -366,8 +364,8 @@ void do_set_bmap(int argc, char **argv) const char *usage = "[--uninit] <lblk> <pblk>"; struct ext2fs_extent extent; errcode_t retval; - blk_t logical; - blk_t physical; + blk64_t logical; + blk64_t physical; char *cmd = argv[0]; int flags = 0; int err; @@ -387,18 +385,16 @@ void do_set_bmap(int argc, char **argv) return; } - logical = parse_ulong(argv[1], cmd, - "logical block", &err); + err = strtoblk(cmd, argv[1], &logical); if (err) return; - physical = parse_ulong(argv[2], cmd, - "physical block", &err); + err = strtoblk(cmd, argv[2], &physical); if (err) return; retval = ext2fs_extent_set_bmap(current_handle, logical, - (blk64_t) physical, flags); + physical, flags); if (retval) { com_err(cmd, retval, 0); return; diff --git a/debugfs/util.c b/debugfs/util.c index cf3a6c6..09088e0 100644 --- a/debugfs/util.c +++ b/debugfs/util.c @@ -377,7 +377,7 @@ int common_block_args_process(int argc, char *argv[], } if (argc > 2) { - *count = parse_ulong(argv[2], argv[0], "count", &err); + err = strtoblk(argv[0], argv[2], count); if (err) return 1; } -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists