Re: [PATCH v4 00/39] netfs, afs, 9p: Delegate high-level I/O to netfslib

David Howells
2023-12-20T10:04:37Z

Dominique Martinet <asmadeus@codewreck.org> wrote:

> I'll go back to dhowell's tree to finally test 9p a bit,
> sorry for lack of involvement just low on time all around.

I've rebased my tree on -rc6 rather than linux-next for Christian to pull.

Ganesha keeps falling over:

[root@carina build]# valgrind ./ganesha.nfsd -L /var/log/ganesha/ganesha.log -f /etc/ganesha/ganesha.conf -N NIV_EVENT -F
==38960== Memcheck, a memory error detector
==38960== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==38960== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info
==38960== Command: ./ganesha.nfsd -L /var/log/ganesha/ganesha.log -f /etc/ganesha/ganesha.conf -N NIV_EVENT -F
==38960==
==38960== Thread 138:
==38960== Invalid read of size 4
==38960== at 0x4DC32D6: pthread_cond_signal@@GLIBC_2.3.2 (pthread_cond_signal.c:41)
==38960== by 0x489700C: sync_cb (fsal_helper.c:1837)
==38960== by 0x49D79DF: mdc_read_super_cb (mdcache_file.c:559)
==38960== by 0x49D7AC5: mdc_read_cb (mdcache_file.c:582)
==38960== by 0x7B4B81F: vfs_read2 (file.c:1317)
==38960== by 0x49D7BCF: mdcache_read2 (mdcache_file.c:617)
==38960== by 0x4897173: fsal_read (fsal_helper.c:1849)
==38960== by 0x4A10FD4: _9p_read (9p_read.c:134)
==38960== by 0x4A0A024: _9p_process_buffer (9p_interpreter.c:181)
==38960== by 0x4A09DCB: _9p_tcp_process_request (9p_interpreter.c:133)
==38960== by 0x48CE182: _9p_execute (9p_dispatcher.c:315)
==38960== by 0x48CE508: _9p_worker_run (9p_dispatcher.c:412)
==38960== Address 0x24 is not stack'd, malloc'd or (recently) free'd
==38960==
==38960==
==38960== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==38960== Access not within mapped region at address 0x24
==38960== at 0x4DC32D6: pthread_cond_signal@@GLIBC_2.3.2 (pthread_cond_signal.c:41)
==38960== by 0x489700C: sync_cb (fsal_helper.c:1837)
==38960== by 0x49D79DF: mdc_read_super_cb (mdcache_file.c:559)
==38960== by 0x49D7AC5: mdc_read_cb (mdcache_file.c:582)
==38960== by 0x7B4B81F: vfs_read2 (file.c:1317)
==38960== by 0x49D7BCF: mdcache_read2 (mdcache_file.c:617)
==38960== by 0x4897173: fsal_read (fsal_helper.c:1849)
==38960== by 0x4A10FD4: _9p_read (9p_read.c:134)
==38960== by 0x4A0A024: _9p_process_buffer (9p_interpreter.c:181)
==38960== by 0x4A09DCB: _9p_tcp_process_request (9p_interpreter.c:133)
==38960== by 0x48CE182: _9p_execute (9p_dispatcher.c:315)
==38960== by 0x48CE508: _9p_worker_run (9p_dispatcher.c:412)

David