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@asomers asomers commented Jan 24, 2021

A more recent Rust compiler has gotten pickier about links.

A more recent Rust compiler has gotten pickier about links.
Impl From for FuaFlags and CacheFlags to i32
@asomers asomers merged commit e5060d2 into libguestfs:master Jan 24, 2021
@asomers asomers deleted the fix_rust_docs branch January 24, 2021 00:25
libguestfs pushed a commit that referenced this pull request Oct 21, 2021
VDDK 7.0.0 and 7.0.3 crash with GLIBC_TUNABLES (malloc debugging) and
latest glibc.  This likely indicates a bug in VDDK, but as we cannot
fix it we need to disable the extra hygiene checks instead.  For
information the stack trace is below.

  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  malloc_check_get_size (mem=0x0)
      at /usr/src/debug/glibc-2.34.9000-13.fc36.x86_64/malloc/malloc-check.c:39
  39	  magic = (((uintptr_t) p >> 3) ^ ((uintptr_t) p >> 11)) & 0xFF;
  [Current thread is 1 (Thread 0x7fea8056b640 (LWP 3905172))]
  (gdb) bt
  #0  malloc_check_get_size (mem=0x0)
      at /usr/src/debug/glibc-2.34.9000-13.fc36.x86_64/malloc/malloc-check.c:39
  #1  malloc_usable_size (mem=0x0) at malloc-debug.c:405
  #2  0x00007fea7fd5199b in greedy_realloc0 (p=p@entry=0x7fea805690c0,
      need=need@entry=2, size=size@entry=16) at ../src/basic/alloc-util.c:87
  #3  0x00007fea7fd51b13 in netlink_container_parse (m=m@entry=0x555d34e77f80,
      container=0x555d34e77f90, rta=0x555d34e821f8, rt_len=<optimized out>)
      at ../src/libsystemd/sd-netlink/netlink-message.c:1078
  #4  0x00007fea7fd557ec in sd_netlink_message_rewind (genl=<optimized out>,
      m=<optimized out>) at ../src/libsystemd/sd-netlink/netlink-message.c:1324
  #5  socket_read_message (rtnl=<optimized out>)
      at ../src/libsystemd/sd-netlink/netlink-socket.c:375
  #6  sd_netlink_read (usec=0, ret=0x7fea805692a0, serial=<optimized out>,
      rtnl=<optimized out>) at ../src/libsystemd/sd-netlink/sd-netlink.c:700
  #7  sd_netlink_call (rtnl=<optimized out>, message=<optimized out>,
      ret=0x7fea805692a0, usec=0)
      at ../src/libsystemd/sd-netlink/sd-netlink.c:743
  #8  0x00007fea7fd5818e in local_addresses (af=2, ret=0x7fea80569378,
      ifindex=0, context=0x0) at ../src/shared/local-addresses.c:90
  #9  0x00007fea7fd590b9 in _nss_myhostname_gethostbyname3_r (
      name=<optimized out>, af=<optimized out>, host=0x7fea805695a0,
      buffer=0x7fea80569750 "\177", buflen=1024, errnop=0x7fea8056b4b8,
      h_errnop=0x7fea80569594, ttlp=0x0, canonp=0x0)
      at ../src/nss-myhostname/nss-myhostname.c:373
  #10 0x00007fea7fd593cb in _nss_myhostname_gethostbyname_r (
      name=0x7fea80569601 "pick", host=0x7fea805695a0,
      buffer=0x7fea80569750 "\177", buflen=1024, errnop=0x7fea8056b4b8,
      h_errnop=0x7fea80569594) at ../src/nss-myhostname/nss-myhostname.c:514
  #11 0x00007fea864491cb in __gethostbyname_r (
      name=0x7fea80569601 "pick", resbuf=0x7fea805695a0,
      buffer=<optimized out>, buflen=1024, result=<optimized out>,
      h_errnop=0x7fea80569594) at ../nss/getXXbyYY_r.c:273
  #12 0x00007fea85bdcca4 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #13 0x00007fea85bd2bb2 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #14 0x00007fea85bba567 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #15 0x00007fea85bbab75 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #16 0x00007fea85bc63bd in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #17 0x00007fea85bc42ec in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #18 0x00007fea85bbf026 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #19 0x00007fea85bc0038 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #20 0x00007fea85c2fb23 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #21 0x00007fea85c2f160 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #22 0x00007fea85c2f1ba in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #23 0x00007fea85d0c0b9 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #24 0x00007fea85d079cb in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #25 0x00007fea85cb2831 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #26 0x00007fea85ca4702 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #27 0x00007fea85c9f76f in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #28 0x00007fea85c7b59f in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #29 0x00007fea85c7c11d in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #30 0x00007fea85bb4475 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #31 0x00007fea85bb4717 in VixDiskLib_Open ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #32 0x00007fea867b0dbb in vddk_open (readonly=<optimized out>)
      at /home/rjones/d/nbdkit/plugins/vddk/vddk.c:717
  #33 0x0000555d2a83d922 in plugin_open (c=0x555d34e81d10, readonly=0,
      exportname=<optimized out>, is_tls=<optimized out>)
      at /home/rjones/d/nbdkit/server/plugins.c:353
  #34 0x0000555d2a83572d in backend_open (b=0x555d34668db0, readonly=0,
      exportname=0x555d34dae020 "", shared=0)
      at /home/rjones/d/nbdkit/server/backend.c:292
  #35 0x0000555d2a83b937 in protocol_common_open (
      exportsize=exportsize@entry=0x7fea8056a9e0,
      flags=flags@entry=0x555d34e7f604,
      exportname=exportname@entry=0x555d34e7eeb0 "")
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:83
  #36 0x0000555d2a83e140 in finish_newstyle_options (exportsize=0x7fea8056a9e0,
      exportname_in=<optimized out>, exportnamelen=<optimized out>)
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:284
  #37 0x0000555d2a837ee0 in negotiate_handshake_newstyle_options ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:572
  #38 protocol_handshake_newstyle ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:904
  #39 protocol_handshake ()
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:55
  #40 handle_single_connection (sockin=<optimized out>, sockout=<optimized out>)
      at /home/rjones/d/nbdkit/server/connections.c:171
  #41 0x0000555d2a83e4e0 in start_thread (datav=0x555d34d987d0)
      at /home/rjones/d/nbdkit/server/sockets.c:354
  #42 0x00007fea863b4677 in start_thread (arg=<optimized out>)
      at pthread_create.c:434
  #43 0x00007fea86439320 in clone3 ()
      at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
libguestfs pushed a commit that referenced this pull request Oct 25, 2021
VDDK 7.0.0 and 7.0.3 crash with GLIBC_TUNABLES (malloc debugging) and
latest glibc.  This likely indicates a bug in VDDK, but as we cannot
fix it we need to disable the extra hygiene checks instead.  For
information the stack trace is below.

  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  malloc_check_get_size (mem=0x0)
      at /usr/src/debug/glibc-2.34.9000-13.fc36.x86_64/malloc/malloc-check.c:39
  39	  magic = (((uintptr_t) p >> 3) ^ ((uintptr_t) p >> 11)) & 0xFF;
  [Current thread is 1 (Thread 0x7fea8056b640 (LWP 3905172))]
  (gdb) bt
  #0  malloc_check_get_size (mem=0x0)
      at /usr/src/debug/glibc-2.34.9000-13.fc36.x86_64/malloc/malloc-check.c:39
  #1  malloc_usable_size (mem=0x0) at malloc-debug.c:405
  #2  0x00007fea7fd5199b in greedy_realloc0 (p=p@entry=0x7fea805690c0,
      need=need@entry=2, size=size@entry=16) at ../src/basic/alloc-util.c:87
  #3  0x00007fea7fd51b13 in netlink_container_parse (m=m@entry=0x555d34e77f80,
      container=0x555d34e77f90, rta=0x555d34e821f8, rt_len=<optimized out>)
      at ../src/libsystemd/sd-netlink/netlink-message.c:1078
  #4  0x00007fea7fd557ec in sd_netlink_message_rewind (genl=<optimized out>,
      m=<optimized out>) at ../src/libsystemd/sd-netlink/netlink-message.c:1324
  #5  socket_read_message (rtnl=<optimized out>)
      at ../src/libsystemd/sd-netlink/netlink-socket.c:375
  #6  sd_netlink_read (usec=0, ret=0x7fea805692a0, serial=<optimized out>,
      rtnl=<optimized out>) at ../src/libsystemd/sd-netlink/sd-netlink.c:700
  #7  sd_netlink_call (rtnl=<optimized out>, message=<optimized out>,
      ret=0x7fea805692a0, usec=0)
      at ../src/libsystemd/sd-netlink/sd-netlink.c:743
  #8  0x00007fea7fd5818e in local_addresses (af=2, ret=0x7fea80569378,
      ifindex=0, context=0x0) at ../src/shared/local-addresses.c:90
  #9  0x00007fea7fd590b9 in _nss_myhostname_gethostbyname3_r (
      name=<optimized out>, af=<optimized out>, host=0x7fea805695a0,
      buffer=0x7fea80569750 "\177", buflen=1024, errnop=0x7fea8056b4b8,
      h_errnop=0x7fea80569594, ttlp=0x0, canonp=0x0)
      at ../src/nss-myhostname/nss-myhostname.c:373
  #10 0x00007fea7fd593cb in _nss_myhostname_gethostbyname_r (
      name=0x7fea80569601 "pick", host=0x7fea805695a0,
      buffer=0x7fea80569750 "\177", buflen=1024, errnop=0x7fea8056b4b8,
      h_errnop=0x7fea80569594) at ../src/nss-myhostname/nss-myhostname.c:514
  #11 0x00007fea864491cb in __gethostbyname_r (
      name=0x7fea80569601 "pick", resbuf=0x7fea805695a0,
      buffer=<optimized out>, buflen=1024, result=<optimized out>,
      h_errnop=0x7fea80569594) at ../nss/getXXbyYY_r.c:273
  #12 0x00007fea85bdcca4 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #13 0x00007fea85bd2bb2 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #14 0x00007fea85bba567 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #15 0x00007fea85bbab75 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #16 0x00007fea85bc63bd in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #17 0x00007fea85bc42ec in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #18 0x00007fea85bbf026 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #19 0x00007fea85bc0038 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #20 0x00007fea85c2fb23 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #21 0x00007fea85c2f160 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #22 0x00007fea85c2f1ba in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #23 0x00007fea85d0c0b9 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #24 0x00007fea85d079cb in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #25 0x00007fea85cb2831 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #26 0x00007fea85ca4702 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #27 0x00007fea85c9f76f in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #28 0x00007fea85c7b59f in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #29 0x00007fea85c7c11d in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #30 0x00007fea85bb4475 in ?? ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #31 0x00007fea85bb4717 in VixDiskLib_Open ()
     from vddk-7.0.3/vmware-vix-disklib-distrib/lib64/libvixDiskLib.so.7
  #32 0x00007fea867b0dbb in vddk_open (readonly=<optimized out>)
      at /home/rjones/d/nbdkit/plugins/vddk/vddk.c:717
  #33 0x0000555d2a83d922 in plugin_open (c=0x555d34e81d10, readonly=0,
      exportname=<optimized out>, is_tls=<optimized out>)
      at /home/rjones/d/nbdkit/server/plugins.c:353
  #34 0x0000555d2a83572d in backend_open (b=0x555d34668db0, readonly=0,
      exportname=0x555d34dae020 "", shared=0)
      at /home/rjones/d/nbdkit/server/backend.c:292
  #35 0x0000555d2a83b937 in protocol_common_open (
      exportsize=exportsize@entry=0x7fea8056a9e0,
      flags=flags@entry=0x555d34e7f604,
      exportname=exportname@entry=0x555d34e7eeb0 "")
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:83
  #36 0x0000555d2a83e140 in finish_newstyle_options (exportsize=0x7fea8056a9e0,
      exportname_in=<optimized out>, exportnamelen=<optimized out>)
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:284
  #37 0x0000555d2a837ee0 in negotiate_handshake_newstyle_options ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:572
  #38 protocol_handshake_newstyle ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:904
  #39 protocol_handshake ()
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:55
  #40 handle_single_connection (sockin=<optimized out>, sockout=<optimized out>)
      at /home/rjones/d/nbdkit/server/connections.c:171
  #41 0x0000555d2a83e4e0 in start_thread (datav=0x555d34d987d0)
      at /home/rjones/d/nbdkit/server/sockets.c:354
  #42 0x00007fea863b4677 in start_thread (arg=<optimized out>)
      at pthread_create.c:434
  #43 0x00007fea86439320 in clone3 ()
      at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

(cherry picked from commit 03406a7)
shasheene pushed a commit to rescuezilla/nbdkit that referenced this pull request Aug 1, 2025
Valgrind works ... but it takes several minutes to run, making the
whole 'make check-valgrind' very slow.

I collected a stack trace from vgdb (valgrind gdb) during the long
delay to confirm the specific function:

  Thread 2 received signal SIGTRAP, Trace/breakpoint trap.
  [Switching to Thread 1050375]
  _nettle_write_be32 (length=<optimized out>,
      dst=0xdf3d250 "\312hu\256\301\260\230b\250'\362\3764\nr\373\a\004\005\002\003", src=0xdf3d410) at /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/write-be32.c:54
  Downloading source file /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/write-be32.c
  54          WRITE_UINT32(dst, src[i]);
  (gdb) bt
  #0  _nettle_write_be32 (length=<optimized out>,
      dst=0xdf3d250 "\312hu\256\301\260\230b\250'\362\3764\nr\373\a\004\005\002\003", src=0xdf3d410) at /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/write-be32.c:54
  libguestfs#1  0x000000000d176425 in nettle_sha256_digest (ctx=0xdf3d410,
      length=<optimized out>, digest=<optimized out>)
      at /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/sha256.c:153
  libguestfs#2  0x000000000d16fae7 in nettle_hmac_digest (outer=0xdf3d330,
      inner=0xdf3d3a0, state=0xdf3d410, hash=0xd1a5240 <nettle_sha256>,
      length=32,
      dst=0xdf3d240 "q\bp\260@8Mt\225$\234\217\243\312hu\256\301\260\230b\250'\362\3764\nr\373\a\004\005\002\003")
      at /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/hmac.c:112
  libguestfs#3  0x000000000d173e3f in nettle_pbkdf2 (mac_ctx=mac_ctx@entry=0xdf3d330,
      update=0xd1765c0 <nettle_hmac_sha256_update>, digest=<optimized out>,
      digest_size=32, iterations=iterations@entry=13415458,
      salt_length=salt_length@entry=32, salt=<optimized out>, length=64,
      dst=0xd3b74c0 "") at /usr/src/debug/nettle-3.9.1-6.fc40.x86_64/pbkdf2.c:87
  libguestfs#4  0x000000000cb02b6e in wrap_nettle_pbkdf2 (mac=<optimized out>,
      key=0xd377420, keysize=6, salt=0xd378a98, saltsize=32,
      iter_count=13415458, output=0xd3b74c0, length=64)
      at ../../../lib/nettle/mac.c:905
  libguestfs#5  0x000000000ca16f68 in gnutls_pbkdf2 (mac=mac@entry=GNUTLS_MAC_SHA256,
      key=key@entry=0xdf3e680, salt=salt@entry=0xdf3e690, iter_count=13415458,
      output=output@entry=0xd3b74c0, length=length@entry=64)
      at ../../lib/crypto-api.c:2180
  libguestfs#6  0x000000000c993f83 in try_passphrase_in_keyslot (next=0xd378710,
      h=0xd3789c0, i=<optimized out>, passphrase=0xd377420 "123456")
      at /home/rjones/d/nbdkit/filters/luks/luks-encryption.c:614
  libguestfs#7  load_header (next=0xd378710, passphrase=0xd377420 "123456")
      at /home/rjones/d/nbdkit/filters/luks/luks-encryption.c:835
  libguestfs#8  luks_prepare (next=0xd378710, handle=0xd378970, readonly=<optimized out>)
      at /home/rjones/d/nbdkit/filters/luks/luks.c:140
  libguestfs#9  0x000000000011157d in filter_prepare (c=<optimized out>,
      readonly=<optimized out>) at /home/rjones/d/nbdkit/server/filters.c:342
  libguestfs#10 0x000000000011356b in backend_prepare (c=0xd378510)
      at /home/rjones/d/nbdkit/server/backend.c:332
  libguestfs#11 0x000000000011d40c in protocol_common_open (
      exportsize=exportsize@entry=0xdf3e938, flags=flags@entry=0xd37829c,
      exportname=exportname@entry=0xd3784c0 "")
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:88
  libguestfs#12 0x000000000011d997 in finish_newstyle_options (
      exportsize=exportsize@entry=0xdf3e938,
      exportname_in=exportname_in@entry=0xd378474 "",
      exportnamelen=exportnamelen@entry=0)
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:319
  libguestfs#13 0x0000000000121e25 in negotiate_handshake_newstyle_options ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:619
  libguestfs#14 0x0000000000118c3e in protocol_handshake_newstyle ()
      at /home/rjones/d/nbdkit/server/protocol-handshake-newstyle.c:991
  libguestfs#15 protocol_handshake ()
      at /home/rjones/d/nbdkit/server/protocol-handshake.c:55
  libguestfs#16 handle_single_connection (sockin=<optimized out>, sockout=<optimized out>)
      at /home/rjones/d/nbdkit/server/connections.c:180
  libguestfs#17 0x000000000011caf1 in start_thread (datav=0xd377f00)
      at /home/rjones/d/nbdkit/server/sockets.c:377
  libguestfs#18 0x000000000ccad1a7 in start_thread (arg=<optimized out>)
      at pthread_create.c:447
  libguestfs#19 0x000000000cd2f174 in clone ()
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