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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 14:51:13 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 14:51:13 +0000
commit225caa38269323af1bfc2daadff5ec8bd930747f (patch)
treee0a5fefde9ee100ba6f32fb36de6707490e4164e /mailinglist/output_launchpad/1838763
parent904141bfb8d5385b75eb3b7afec1dcda89af65a7 (diff)
downloademulator-bug-study-225caa38269323af1bfc2daadff5ec8bd930747f.tar.gz
emulator-bug-study-225caa38269323af1bfc2daadff5ec8bd930747f.zip
add mailinglist scraper results
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+Bugs in SSH module (ssh.c)
+
+I installed gcc-8&libssh* on my Ubuntu 18.04 arm64.When I was compiling any version of qemu like 3.1.0 4.0.0or 4.1.0 with SSH support,the GCC went wrong.It said some vars undeclared like'SSH_KNOWN_HOSTS_OTHER','SSH_KNOWN_HOST_UNKNOWN',etc.
+
+$ uname -smrv
+Linux 5.1.17 #7 SMP Wed Jul 10 08:35:08 UTC 2019 aarch64
+
+$ lsb_release -a
+No LSB modules are available.
+Distributor ID: Ubuntu
+Description: Ubuntu 18.04.2 LTS
+Release: 18.04
+Codename: bionic
+
+$ dpkg -l|fgrep libssh
+ii libssh-4:arm64 0.8.0~20170825.94fa1e38-1ubuntu0.2 arm64 tiny C SSH library (OpenSSL flavor)
+ii libssh-dev 0.8.0~20170825.94fa1e38-1ubuntu0.2 arm64 tiny C SSH library. Development files (OpenSSL flavor)
+
+$ ./configure
+...
+libssh support yes
+...
+
+$ make
+...
+ CC block/ssh.o
+block/ssh.c: In function 'check_host_key_knownhosts':
+block/ssh.c:281:28: error: storage size of 'state' isn't known
+ enum ssh_known_hosts_e state;
+ ^~~~~
+block/ssh.c:289:13: error: implicit declaration of function 'ssh_session_is_known_server' [-Werror=implicit-function-declaration]
+ state = ssh_session_is_known_server(s->session);
+ ^~~~~~~~~~~~~~~~~~~~~~~~~~~
+block/ssh.c:289:13: error: nested extern declaration of 'ssh_session_is_known_server' [-Werror=nested-externs]
+block/ssh.c:293:10: error: 'SSH_KNOWN_HOSTS_OK' undeclared (first use in this function); did you mean 'SSH_OPTIONS_HOSTKEYS'?
+ case SSH_KNOWN_HOSTS_OK:
+ ^~~~~~~~~~~~~~~~~~
+ SSH_OPTIONS_HOSTKEYS
+block/ssh.c:293:10: note: each undeclared identifier is reported only once for each function it appears in
+block/ssh.c:297:10: error: 'SSH_KNOWN_HOSTS_CHANGED' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OK'?
+ case SSH_KNOWN_HOSTS_CHANGED:
+ ^~~~~~~~~~~~~~~~~~~~~~~
+ SSH_KNOWN_HOSTS_OK
+block/ssh.c:301:48: error: 'SSH_PUBLICKEY_HASH_SHA256' undeclared (first use in this function); did you mean 'SSH_PUBLICKEY_HASH_SHA1'?
+ r = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_SHA256,
+ ^~~~~~~~~~~~~~~~~~~~~~~~~
+ SSH_PUBLICKEY_HASH_SHA1
+block/ssh.c:307:27: error: implicit declaration of function 'ssh_get_fingerprint_hash'; did you mean 'ssh_get_pubkey_hash'? [-Werror=implicit-function-declaration]
+ fingerprint = ssh_get_fingerprint_hash(SSH_PUBLICKEY_HASH_SHA256,
+ ^~~~~~~~~~~~~~~~~~~~~~~~
+ ssh_get_pubkey_hash
+block/ssh.c:307:27: error: nested extern declaration of 'ssh_get_fingerprint_hash' [-Werror=nested-externs]
+block/ssh.c:324:10: error: 'SSH_KNOWN_HOSTS_OTHER' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OK'?
+ case SSH_KNOWN_HOSTS_OTHER:
+ ^~~~~~~~~~~~~~~~~~~~~
+ SSH_KNOWN_HOSTS_OK
+block/ssh.c:329:10: error: 'SSH_KNOWN_HOSTS_UNKNOWN' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_CHANGED'?
+ case SSH_KNOWN_HOSTS_UNKNOWN:
+ ^~~~~~~~~~~~~~~~~~~~~~~
+ SSH_KNOWN_HOSTS_CHANGED
+block/ssh.c:333:10: error: 'SSH_KNOWN_HOSTS_NOT_FOUND' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_UNKNOWN'?
+ case SSH_KNOWN_HOSTS_NOT_FOUND:
+ ^~~~~~~~~~~~~~~~~~~~~~~~~
+ SSH_KNOWN_HOSTS_UNKNOWN
+block/ssh.c:337:10: error: 'SSH_KNOWN_HOSTS_ERROR' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OTHER'?
+ case SSH_KNOWN_HOSTS_ERROR:
+ ^~~~~~~~~~~~~~~~~~~~~
+ SSH_KNOWN_HOSTS_OTHER
+block/ssh.c:281:28: error: unused variable 'state' [-Werror=unused-variable]
+ enum ssh_known_hosts_e state;
+ ^~~~~
+cc1: all warnings being treated as errors
+rules.mak:69: recipe for target 'block/ssh.o' failed
+make: *** [block/ssh.o] Error 1
+
+May be related to https://www.redhat.com/archives/libvir-list/2018-May/msg00597.html
+
+As suggested by Richard in [*], filled a libssh report:
+
+https://bugs.launchpad.net/ubuntu/+source/libssh/+bug/1847514
+
+[*] https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg02506.html
+
+I think that libssh in Ubuntu 18.04 is just broken. I don't think that we'll include a work-around in QEMU for this anymore, now that 20.04 is already released and works fine. Thus closing this as WONTFIX.
+