From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 773D0C433EF for ; Tue, 30 Nov 2021 05:48:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233408AbhK3FwI (ORCPT ); Tue, 30 Nov 2021 00:52:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233394AbhK3FwH (ORCPT ); Tue, 30 Nov 2021 00:52:07 -0500 Received: from mail-vk1-xa2f.google.com (mail-vk1-xa2f.google.com [IPv6:2607:f8b0:4864:20::a2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B785C061574 for ; Mon, 29 Nov 2021 21:48:49 -0800 (PST) Received: by mail-vk1-xa2f.google.com with SMTP id m16so11824813vkl.13 for ; Mon, 29 Nov 2021 21:48:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nextdayvideo-com.20210112.gappssmtp.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=lmyUUTtEPApvuiop98acycwPcEbk1FVZqdXPNp/OU20=; b=2bA+oH6TCCl6/20BwemckTrS4i20tVV0yhMdxmHWbbOpof0ZKOFYrCMcnATjEYAMA6 rOgPtTkyQnVUAGjXY+IEwGxv1iDOiL4prHvFsMWwllt7WzdYGG0kVJ3eZbCvBChjR8uN CLeTA7zZA+omrE0dEAyeYK117UXfUball7+FVFgrjjq/m9gFn33eWO1SL6FSIRwtvJS7 GP/RvM+lQZWnRT7S5fGB8Psy/3xKXW7MLaoeUf57dlvab57geE9ylJbMYOZ2W8E9q4ZY gPWyZ4loSapWhs3jeizwnYN5vmNI3K9LudZF7j/6vKNkjo4hwrbtwjD7d2LMkoBgayJ4 E7cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=lmyUUTtEPApvuiop98acycwPcEbk1FVZqdXPNp/OU20=; b=BP9B6czFNl9oe54vJ08rR7Tnr1hMnVCzUeVlKBIVLpwcjAwdb8w33J3D1nEKLbBd2s x/yZ1pRHJxvFgfwaXR36zVJ4kNt/fEse0ghpGKJhRm7SLUtJqdQ1QNVVCsaf9ydksQp8 Mc4UcYaqw7TeQUdmXztcNn5cSLscPK1cPlnkKbKgwQPc0RmASUEP5H1n2CGS7oLUgL4f yEi92/HFRrbI0MT+2qLE4h5Uu0+TYfRBulnpFQg5GgJMEpXb0sAY+WsdWX1s8Rj6foA5 r1+AwQacVxbRBbKQuaJaHaYjrw70gyFkmstKPcX0DlW/L7uShARudBbf0rvZQl68hEyR 28Rw== X-Gm-Message-State: AOAM530mbBv0Ow/Ee/SC5RqrmKJq4VF2nasx8pGNo0QIuKApCIGS31sC oTOH1A7qja4jUm0vGmBoqxsLAwT/IGTMHeNJ5Lg6sBwf5x0= X-Google-Smtp-Source: ABdhPJx+z1JP5l0UM7RG2hyy+BjqK+gIZCjHMf5cDsaZd317S4bxz0yOAUM7I9xR1PxtS5+k3JTbymm9RNRq3xBr0TM= X-Received: by 2002:a05:6122:78c:: with SMTP id k12mr42954488vkr.22.1638251327636; Mon, 29 Nov 2021 21:48:47 -0800 (PST) MIME-Version: 1.0 From: Carl Karsten Date: Mon, 29 Nov 2021 21:48:21 -0800 Message-ID: Subject: index=on,nfs_export=on Operation not permitted To: overlayfs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org I don't need any help, This seems odd enough to report. I accidentally built my nfs server on buster, which threw some errors about index=on, so I added index=on. Then I rebuilt the server on bullseye, and almost everything was the same, except for 1 little thing. I removed the index=on, and all was well again. server: dist=bullseye d=/srv/nfs/rpi/${dist} p=${d}/boot rm -rf ${p}/work/index mount -t overlay overlay -o index=on,nfs_export=on,\ lowerdir=${p}/setup:${p}/base,\ upperdir=${p}/updates,\ workdir=${p}/work \ ${p}/merged /etc/exports /srv/nfs/rpi/bullseye/boot/merged *(rw,sync,no_subtree_check,no_root_squash,fsid=1) client: root@raspberrypi:~# mount 10.21.0.1:/srv/nfs/rpi/bullseye/root/merged on / type nfs (rw,relatime,vers=3,rsize=4096,wsize=4096,namlen=255,hard,nolock,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.21.0.1,mountvers=3,mountproto=tcp,local_lock=all,addr=10.21.0.1) root@raspberrypi:~# mv /boot/z /boot/config.txt mv: cannot move '/boot/z' to '/boot/config.txt': Operation not permitted root@raspberrypi:~# strace mv /boot/z /boot/config.txt execve("/usr/bin/mv", ["mv", "/boot/z", "/boot/config.txt"], 0xffd9caa8 /* 18 vars */) = 0 brk(NULL) = 0x1541000 uname({sysname="Linux", nodename="raspberrypi", ...}) = 0 access("/etc/ld.so.preload", R_OK) = 0 openat(AT_FDCWD, "/etc/ld.so.preload", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=54, ...}) = 0 mmap2(NULL, 54, PROT_READ|PROT_WRITE, MAP_PRIVATE, 3, 0) = 0xf7cb7000 close(3) = 0 readlink("/proc/self/exe", "/usr/bin/mv", 4096) = 11 openat(AT_FDCWD, "/usr/lib/arm-linux-gnueabihf/libarmmem-v8l.so", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\254\3\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=17708, ...}) = 0 mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf7cb5000 mmap2(NULL, 81964, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7c72000 mprotect(0xf7c76000, 61440, PROT_NONE) = 0 mmap2(0xf7c85000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0xf7c85000 close(3) = 0 munmap(0xf7cb7000, 54) = 0 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=28423, ...}) = 0 mmap2(NULL, 28423, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf7cae000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libselinux.so.1", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\20R\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=144896, ...}) = 0 mmap2(NULL, 216100, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7c3d000 mprotect(0xf7c60000, 61440, PROT_NONE) = 0 mmap2(0xf7c6f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0xf7c6f000 mmap2(0xf7c71000, 3108, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf7c71000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libacl.so.1", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\0\23\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=30052, ...}) = 0 mmap2(NULL, 94276, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7c25000 mprotect(0xf7c2b000, 65536, PROT_NONE) = 0 mmap2(0xf7c3b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0xf7c3b000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libattr.so.1", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0 \16\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=17724, ...}) = 0 mmap2(NULL, 81932, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7c10000 mprotect(0xf7c14000, 61440, PROT_NONE) = 0 mmap2(0xf7c23000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0xf7c23000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libc.so.6", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\240\255\1\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1321488, ...}) = 0 mmap2(NULL, 1390760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7abc000 mprotect(0xf7bfb000, 61440, PROT_NONE) = 0 mmap2(0xf7c0a000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13e000) = 0xf7c0a000 mmap2(0xf7c0e000, 6312, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf7c0e000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libpcre2-8.so.0", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\220\31\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=563040, ...}) = 0 mmap2(NULL, 627292, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7a22000 mprotect(0xf7aab000, 61440, PROT_NONE) = 0 mmap2(0xf7aba000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x88000) = 0xf7aba000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libdl.so.2", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\330\v\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0644, st_size=13864, ...}) = 0 mmap2(NULL, 78020, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf7a0e000 mprotect(0xf7a11000, 61440, PROT_NONE) = 0 mmap2(0xf7a20000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0xf7a20000 close(3) = 0 openat(AT_FDCWD, "/lib/arm-linux-gnueabihf/libpthread.so.0", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0t]\0\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=137364, ...}) = 0 mmap2(NULL, 176728, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xf79e2000 mprotect(0xf79fa000, 65536, PROT_NONE) = 0 mmap2(0xf7a0a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18000) = 0xf7a0a000 mmap2(0xf7a0c000, 4696, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xf7a0c000 close(3) = 0 mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xf7cac000 set_tls(0xf7cac700) = 0 mprotect(0xf7c0a000, 8192, PROT_READ) = 0 mprotect(0xf7a0a000, 4096, PROT_READ) = 0 mprotect(0xf7a20000, 4096, PROT_READ) = 0 mprotect(0xf7aba000, 4096, PROT_READ) = 0 mprotect(0xf7c23000, 4096, PROT_READ) = 0 mprotect(0xf7c3b000, 4096, PROT_READ) = 0 mprotect(0xf7c6f000, 4096, PROT_READ) = 0 mprotect(0xf7c85000, 4096, PROT_READ) = 0 mprotect(0x3a000, 4096, PROT_READ) = 0 mprotect(0xf7cb9000, 4096, PROT_READ) = 0 munmap(0xf7cae000, 28423) = 0 set_tid_address(0xf7cac2a8) = 4282 set_robust_list(0xf7cac2b0, 12) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0xf79e76a8, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0xf7aeedb0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0xf79e7764, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0xf7aeedb0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ugetrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0 statfs("/sys/fs/selinux", 0xffd111ec) = -1 ENOENT (No such file or directory) statfs("/selinux", 0xffd111ec) = -1 ENOENT (No such file or directory) brk(NULL) = 0x1541000 brk(0x1562000) = 0x1562000 openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 read(3, "nodev\tsysfs\nnodev\ttmpfs\nnodev\tbd"..., 1024) = 370 read(3, "", 1024) = 0 close(3) = 0 access("/etc/selinux/config", F_OK) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=3041504, ...}) = 0 mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf77e2000 mmap2(NULL, 2596864, PROT_READ, MAP_PRIVATE, 3, 0x6d000) = 0xf7568000 close(3) = 0 geteuid32() = 0 ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0 renameat2(AT_FDCWD, "/boot/z", AT_FDCWD, "/boot/config.txt", RENAME_NOREPLACE) = -1 EEXIST (File exists) stat64("/boot/config.txt", {st_mode=S_IFREG|0755, st_size=2425, ...}) = 0 fstatat64(AT_FDCWD, "/boot/z", {st_mode=S_IFREG|0755, st_size=2425, ...}, AT_SYMLINK_NOFOLLOW) = 0 fstatat64(AT_FDCWD, "/boot/config.txt", {st_mode=S_IFREG|0755, st_size=2425, ...}, AT_SYMLINK_NOFOLLOW) = 0 geteuid32() = 0 rename("/boot/z", "/boot/config.txt") = -1 EPERM (Operation not permitted) openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=2996, ...}) = 0 read(3, "# Locale name alias data base.\n#"..., 4096) = 2996 read(3, "", 4096) = 0 close(3) = 0 openat(AT_FDCWD, "/usr/share/locale/en_GB.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en_GB.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en_GB/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory) write(2, "mv: ", 4mv: ) = 4 write(2, "cannot move '/boot/z' to '/boot/"..., 43cannot move '/boot/z' to '/boot/config.txt') = 43 openat(AT_FDCWD, "/usr/share/locale/en_GB.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en_GB.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en_GB/LC_MESSAGES/libc.mo", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=1433, ...}) = 0 mmap2(NULL, 1433, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf7cb7000 close(3) = 0 openat(AT_FDCWD, "/usr/share/locale/en.UTF-8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en.utf8/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory) write(2, ": Operation not permitted", 25: Operation not permitted) = 25 write(2, "\n", 1 ) = 1 _llseek(0, 0, 0xffd11120, SEEK_CUR) = -1 ESPIPE (Illegal seek) close(0) = 0 close(1) = 0 close(2) = 0 exit_group(1) = ? +++ exited with 1 +++ -- Carl K