Index: lib/libc/sys/access.2
===================================================================
--- lib/libc/sys/access.2
+++ lib/libc/sys/access.2
@@ -175,6 +175,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 Also, the
Index: lib/libc/sys/acct.2
===================================================================
--- lib/libc/sys/acct.2
+++ lib/libc/sys/acct.2
@@ -119,6 +119,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr acct 5 ,
Index: lib/libc/sys/bind.2
===================================================================
--- lib/libc/sys/bind.2
+++ lib/libc/sys/bind.2
@@ -122,6 +122,8 @@
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er EIO
 An I/O error occurred while making the directory entry or allocating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The name would reside on a read-only file system.
 .It Bq Er EISDIR
Index: lib/libc/sys/chdir.2
===================================================================
--- lib/libc/sys/chdir.2
+++ lib/libc/sys/chdir.2
@@ -96,6 +96,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 The
Index: lib/libc/sys/chflags.2
===================================================================
--- lib/libc/sys/chflags.2
+++ lib/libc/sys/chflags.2
@@ -264,6 +264,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EOPNOTSUPP
 The underlying file system does not support file flags, or
 does not support all of the flags set in
@@ -306,6 +308,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EOPNOTSUPP
 The underlying file system does not support file flags, or
 does not support all of the flags set in
Index: lib/libc/sys/chmod.2
===================================================================
--- lib/libc/sys/chmod.2
+++ lib/libc/sys/chmod.2
@@ -244,6 +244,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFTYPE
 The effective user ID is not the super-user, the mode includes the sticky bit
 .Dv ( S_ISVTX ) ,
@@ -265,6 +267,8 @@
 The file resides on a read-only file system.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 In addition to the
Index: lib/libc/sys/chown.2
===================================================================
--- lib/libc/sys/chown.2
+++ lib/libc/sys/chown.2
@@ -183,6 +183,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 The
@@ -205,6 +207,8 @@
 The named file resides on a read-only file system.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 In addition to the errors specified for
Index: lib/libc/sys/chroot.2
===================================================================
--- lib/libc/sys/chroot.2
+++ lib/libc/sys/chroot.2
@@ -121,6 +121,8 @@
 points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr chdir 2 ,
Index: lib/libc/sys/copy_file_range.2
===================================================================
--- lib/libc/sys/copy_file_range.2
+++ lib/libc/sys/copy_file_range.2
@@ -180,6 +180,8 @@
 is not zero.
 .It Bq Er EIO
 An I/O error occurred while reading/writing the files.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from a file system.
 .It Bq Er EISDIR
 If either
 .Fa infd
Index: lib/libc/sys/execve.2
===================================================================
--- lib/libc/sys/execve.2
+++ lib/libc/sys/execve.2
@@ -304,6 +304,8 @@
 to an illegal address.
 .It Bq Er EIO
 An I/O error occurred while reading from the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 In addition, the
Index: lib/libc/sys/fhlink.2
===================================================================
--- lib/libc/sys/fhlink.2
+++ lib/libc/sys/fhlink.2
@@ -219,6 +219,8 @@
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to
 the file system to make the directory entry.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The requested link requires writing in a directory on a read-only file
 system.
Index: lib/libc/sys/fhreadlink.2
===================================================================
--- lib/libc/sys/fhreadlink.2
+++ lib/libc/sys/fhreadlink.2
@@ -76,6 +76,8 @@
 The named file is not a symbolic link.
 .It Bq Er EIO
 An I/O error occurred while reading from the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa buf
Index: lib/libc/sys/fsync.2
===================================================================
--- lib/libc/sys/fsync.2
+++ lib/libc/sys/fsync.2
@@ -107,6 +107,8 @@
 refers to a socket, not to a file.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr fsync 1 ,
Index: lib/libc/sys/getdirentries.2
===================================================================
--- lib/libc/sys/getdirentries.2
+++ lib/libc/sys/getdirentries.2
@@ -189,6 +189,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr lseek 2 ,
Index: lib/libc/sys/getfh.2
===================================================================
--- lib/libc/sys/getfh.2
+++ lib/libc/sys/getfh.2
@@ -192,6 +192,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ESTALE
 The file handle
 .Fa fhp
Index: lib/libc/sys/getfsstat.2
===================================================================
--- lib/libc/sys/getfsstat.2
+++ lib/libc/sys/getfsstat.2
@@ -118,6 +118,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr statfs 2 ,
Index: lib/libc/sys/ktrace.2
===================================================================
--- lib/libc/sys/ktrace.2
+++ lib/libc/sys/ktrace.2
@@ -177,6 +177,8 @@
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ENOSYS
 The kernel was not compiled with
 .Nm
Index: lib/libc/sys/link.2
===================================================================
--- lib/libc/sys/link.2
+++ lib/libc/sys/link.2
@@ -222,6 +222,8 @@
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to
 the file system to make the directory entry.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The requested link requires writing in a directory on a read-only file
 system.
Index: lib/libc/sys/mkdir.2
===================================================================
--- lib/libc/sys/mkdir.2
+++ lib/libc/sys/mkdir.2
@@ -126,6 +126,8 @@
 An I/O error occurred while making the directory entry or allocating the inode.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa path
Index: lib/libc/sys/mkfifo.2
===================================================================
--- lib/libc/sys/mkfifo.2
+++ lib/libc/sys/mkfifo.2
@@ -134,6 +134,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa path
Index: lib/libc/sys/mknod.2
===================================================================
--- lib/libc/sys/mknod.2
+++ lib/libc/sys/mknod.2
@@ -108,6 +108,8 @@
 The process's effective user ID is not super-user.
 .It Bq Er EIO
 An I/O error occurred while making the directory entry or allocating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ENOSPC
 The directory in which the entry for the new node is being placed
 cannot be extended because there is no space left on the file
Index: lib/libc/sys/mount.2
===================================================================
--- lib/libc/sys/mount.2
+++ lib/libc/sys/mount.2
@@ -274,6 +274,13 @@
 .Fa dir
 argument
 points outside the process's allocated address space.
+.It Bq Er EIO
+An I/O error occurred while reading data from
+.Fa special .
+.It Bq Er EINTEGRITY
+The backing store for
+.Fa special
+detected corrupted data while reading.
 .El
 .Pp
 The following errors can occur for a
Index: lib/libc/sys/open.2
===================================================================
--- lib/libc/sys/open.2
+++ lib/libc/sys/open.2
@@ -510,6 +510,8 @@
 An I/O error occurred while making the directory entry or
 allocating the inode for
 .Dv O_CREAT .
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ETXTBSY
 The file is a pure procedure (shared text) file that is being
 executed and the
Index: lib/libc/sys/pathconf.2
===================================================================
--- lib/libc/sys/pathconf.2
+++ lib/libc/sys/pathconf.2
@@ -230,6 +230,8 @@
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 The
@@ -244,6 +246,8 @@
 is not a valid open file descriptor.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr lseek 2 ,
Index: lib/libc/sys/posix_fadvise.2
===================================================================
--- lib/libc/sys/posix_fadvise.2
+++ lib/libc/sys/posix_fadvise.2
@@ -124,6 +124,10 @@
 The
 .Fa fd
 argument is associated with a pipe or FIFO.
+.It Bq Er EIO
+An I/O error occurred while reading from or writing to a file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr madvise 2
Index: lib/libc/sys/posix_fallocate.2
===================================================================
--- lib/libc/sys/posix_fallocate.2
+++ lib/libc/sys/posix_fallocate.2
@@ -112,6 +112,8 @@
 or the operation is not supported by the file system.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to a file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ENODEV
 The
 .Fa fd
Index: lib/libc/sys/quotactl.2
===================================================================
--- lib/libc/sys/quotactl.2
+++ lib/libc/sys/quotactl.2
@@ -228,6 +228,8 @@
 .Tn I/O
 error occurred while reading from or writing
 to a file containing quotas.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 An invalid
 .Fa addr
Index: lib/libc/sys/read.2
===================================================================
--- lib/libc/sys/read.2
+++ lib/libc/sys/read.2
@@ -182,6 +182,8 @@
 points outside the allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EBUSY
 Failed to read from a file, e.g. /proc/<pid>/regs while <pid> is not stopped
 .It Bq Er EINTR
Index: lib/libc/sys/readlink.2
===================================================================
--- lib/libc/sys/readlink.2
+++ lib/libc/sys/readlink.2
@@ -108,6 +108,8 @@
 The named file is not a symbolic link.
 .It Bq Er EIO
 An I/O error occurred while reading from the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa buf
Index: lib/libc/sys/rename.2
===================================================================
--- lib/libc/sys/rename.2
+++ lib/libc/sys/rename.2
@@ -240,6 +240,8 @@
 containing the directory has been exhausted.
 .It Bq Er EIO
 An I/O error occurred while making or updating a directory entry.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The requested link requires writing in a directory on a read-only file
 system.
Index: lib/libc/sys/rmdir.2
===================================================================
--- lib/libc/sys/rmdir.2
+++ lib/libc/sys/rmdir.2
@@ -100,6 +100,8 @@
 .It Bq Er EIO
 An I/O error occurred while deleting the directory entry
 or deallocating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The directory entry to be removed resides on a read-only file system.
 .It Bq Er EFAULT
Index: lib/libc/sys/sendfile.2
===================================================================
--- lib/libc/sys/sendfile.2
+++ lib/libc/sys/sendfile.2
@@ -351,6 +351,9 @@
 .It Bq Er EIO
 An error occurred while reading from
 .Fa fd .
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from
+.Fa fd .
 .It Bq Er ENOTCAPABLE
 The
 .Fa fd
Index: lib/libc/sys/stat.2
===================================================================
--- lib/libc/sys/stat.2
+++ lib/libc/sys/stat.2
@@ -379,6 +379,8 @@
 points to an invalid address.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ELOOP
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er ENAMETOOLONG
@@ -410,6 +412,8 @@
 points to an invalid address.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EOVERFLOW
 The file size in bytes cannot be
 represented correctly in the structure pointed to by
Index: lib/libc/sys/statfs.2
===================================================================
--- lib/libc/sys/statfs.2
+++ lib/libc/sys/statfs.2
@@ -204,6 +204,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Pp
 The
@@ -225,6 +227,8 @@
 An
 .Tn I/O
 error occurred while reading from or writing to the file system.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr fhstatfs 2 ,
Index: lib/libc/sys/swapon.2
===================================================================
--- lib/libc/sys/swapon.2
+++ lib/libc/sys/swapon.2
@@ -115,6 +115,9 @@
 for the associated hardware).
 .It Bq Er EIO
 An I/O error occurred while opening the swap device.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system to open the
+swap device.
 .El
 .Pp
 Lastly,
Index: lib/libc/sys/symlink.2
===================================================================
--- lib/libc/sys/symlink.2
+++ lib/libc/sys/symlink.2
@@ -151,6 +151,8 @@
 which the symbolic link is being created has been exhausted.
 .It Bq Er EIO
 An I/O error occurred while making the directory entry or allocating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa name1
Index: lib/libc/sys/truncate.2
===================================================================
--- lib/libc/sys/truncate.2
+++ lib/libc/sys/truncate.2
@@ -117,6 +117,8 @@
 argument was less than 0.
 .It Bq Er EIO
 An I/O error occurred updating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EFAULT
 The
 .Fa path
Index: lib/libc/sys/undelete.2
===================================================================
--- lib/libc/sys/undelete.2
+++ lib/libc/sys/undelete.2
@@ -87,6 +87,8 @@
 .Ql .. .
 .It Bq Er EIO
 An I/O error occurred while updating the directory entry.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The name resides on a read-only file system.
 .It Bq Er EFAULT
Index: lib/libc/sys/unlink.2
===================================================================
--- lib/libc/sys/unlink.2
+++ lib/libc/sys/unlink.2
@@ -175,6 +175,8 @@
 .It Bq Er EIO
 An I/O error occurred while deleting the directory entry
 or deallocating the inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EROFS
 The named file resides on a read-only file system.
 .It Bq Er EFAULT
Index: lib/libc/sys/utimensat.2
===================================================================
--- lib/libc/sys/utimensat.2
+++ lib/libc/sys/utimensat.2
@@ -200,6 +200,8 @@
 .Dv UTIME_OMIT .
 .It Bq Er EIO
 An I/O error occurred while reading or writing the affected inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er EPERM
 The
 .Fa times
Index: lib/libc/sys/utimes.2
===================================================================
--- lib/libc/sys/utimes.2
+++ lib/libc/sys/utimes.2
@@ -165,6 +165,8 @@
 argument has a value less than 0 or greater than 999999.
 .It Bq Er EIO
 An I/O error occurred while reading or writing the affected inode.
+.It Bq Er EINTEGRITY
+Corrupted data was detected while reading from the file system.
 .It Bq Er ELOOP
 Too many symbolic links were encountered in translating the pathname.
 .It Bq Er ENAMETOOLONG
Index: lib/libc/sys/write.2
===================================================================
--- lib/libc/sys/write.2
+++ lib/libc/sys/write.2
@@ -205,6 +205,12 @@
 if the sysctl
 .Va debug.iosize_max_clamp
 is non-zero).
+.It Bq Er EINTEGRITY
+The backing store for
+.Fa fd
+detected corrupted data while reading.
+(For example, writing a partial filesystem block may require first reading
+the existing block which may trigger this error.)
 .El
 .Pp
 In addition,