[systemd-bugs] [Bug 84373] systemd-networkd: dhcp client not working (invalid argument)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84373

--- Comment #2 from Markus Rathgeb <maggu2810 at gmail.com> ---
I used strace to get more details what is going on:

child_stack=0xb6cf6f58,
flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,
parent_tidptr=0xb6cf7488, tls=0xb6cf78e0, child_tidptr=0xb6cf7488) = 184
[pid   184] set_robust_list(0xb6cf7490, 12 <unfinished ...>
[pid   183] open("/dev/urandom", O_RDONLY|O_NOCTTY|O_LARGEFILE|O_CLOEXEC
<unfinished ...>
[pid   184] <... set_robust_list resumed> ) = 0
[pid   183] <... open resumed> )        = 9
[pid   184] madvise(0xb64f8000, 8364032, MADV_DONTNEED <unfinished ...>
[pid   183] read(9,  <unfinished ...>
[pid   184] <... madvise resumed> )     = 0
[pid   183] <... read resumed> "T\237Td", 4) = 4
[pid   184] exit(0)                     = ?
[pid   183] close(9)                    = 0
[pid   184] +++ exited with 0 +++
socket(PF_PACKET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 9
setsockopt(9, SOL_PACKET, PACKET_AUXDATA, [1], 4) = 0
setsockopt(9, SOL_SOCKET, SO_ATTACH_FILTER, "-\0\226|\250\325\353\276", 8) = -1
EINVAL (Invalid argument)
close(9)                                = 0
writev(2, [{"DHCP CLIENT (0x64549f54): STOPPE"..., 51}, {"\n", 1}], 2DHCP
CLIENT (0x64549f54): STOPPED: Invalid argument
) = 52
writev(2, [{"eth0            : DHCP error: cl"..., 61}, {"\n", 1}], 2eth0      
     : DHCP error: client failed: Invalid argument
) = 62
clone(Process 185 attached
 <unfinished ...>
[pid   185] set_robust_list(0xb6cf7490, 12 <unfinished ...>
[pid   183] <... clone resumed> child_stack=0xb6cf6f58,
flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,
parent_tidptr=0xb6cf7488, tls=0xb6cf78e0, child_tidptr=0xb6cf7488) = 185
[pid   185] <... set_robust_list resumed> ) = 0
[pid   183] writev(2, [{"eth0            : could not acqu"..., 48}, {"\n", 1}],
2eth0            : could not acquire DHCPv4 lease
 <unfinished ...>
[pid   185] madvise(0xb64f8000, 8364032, MADV_DONTNEED <unfinished ...>
[pid   183] <... writev resumed> )      = 49
[pid   185] <... madvise resumed> )     = 0
[pid   183] writev(2, [{"Event source 0xb7717dd0 returned"..., 67}, {"\n", 1}],
2Event source 0xb7717dd0 returned error, disabling: Invalid argument
 <unfinished ...>
[pid   185] exit(0)                     = ?
[pid   183] <... writev resumed> )      = 68
[pid   185] +++ exited with 0 +++
epoll_ctl(3, EPOLL_CTL_DEL, 5, NULL)    = 0
epoll_wait(3, 

So, the code that raised the EINVAL is the following:
setsockopt(9, SOL_SOCKET, SO_ATTACH_FILTER, "-\0\226|\250\325\353\276", 8) = -1
EINVAL (Invalid argument)

Are you using filters that needs a kernel > 3.4?

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