Le 08/09/2019 à 08:15, Philippe Mathieu-Daudé a écrit : > Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> > Tested-By: Guido Günther <a...@sigxcpu.org> > --- > linux-user/syscall.c | 6 ++++-- > linux-user/syscall_defs.h | 7 +++++++ > 2 files changed, 11 insertions(+), 2 deletions(-) > > diff --git a/linux-user/syscall.c b/linux-user/syscall.c > index 8b41a03901..5128312db5 100644 > --- a/linux-user/syscall.c > +++ b/linux-user/syscall.c > @@ -1494,8 +1494,10 @@ static inline abi_long > host_to_target_sockaddr(abi_ulong target_addr, > sizeof(target_saddr->sa_family)) { > target_saddr->sa_family = tswap16(addr->sa_family); > } > - if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { > - struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; > + if (addr->sa_family == AF_NETLINK && > + len >= sizeof(struct target_sockaddr_nl)) { > + struct target_sockaddr_nl *target_nl = > + (struct target_sockaddr_nl *)target_saddr; > target_nl->nl_pid = tswap32(target_nl->nl_pid); > target_nl->nl_groups = tswap32(target_nl->nl_groups); > } else if (addr->sa_family == AF_PACKET) { > diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h > index 0662270300..fcedd0d0fb 100644 > --- a/linux-user/syscall_defs.h > +++ b/linux-user/syscall_defs.h > @@ -153,6 +153,13 @@ struct target_sockaddr_un { > uint8_t sun_path[108]; > }; > > +struct target_sockaddr_nl { > + uint16_t nl_family; /* AF_NETLINK */ > + uint16_t __pad; > + uint32_t nl_pid; > + uint32_t nl_groups; > +};
You should use abi_ushort and abi_uint to keep alignments good (for instance m68k aligns on 16bit whereas others on 32bit). Thanks, Laurent