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Date: Fri, 29 Jul 2022 12:48:18 +0800
From: kernel test robot <lkp@...el.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sasha Levin <sashal@...nel.org>
Subject: [linux-stable-rc:linux-4.19.y 437/3409] net/core/sock.c:1090: Error:
unrecognized opcode `csrs sstatus,s11'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
head: f68ffa0f9e2ab245b3284831e972b55c677ce706
commit: 0512a9aede6e4417c4fa6e0042a7ca8bc7e06b86 [437/3409] af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
config: riscv-randconfig-r012-20220726 (https://download.01.org/0day-ci/archive/20220729/202207291224.I3LLPz5B-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=0512a9aede6e4417c4fa6e0042a7ca8bc7e06b86
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-4.19.y
git checkout 0512a9aede6e4417c4fa6e0042a7ca8bc7e06b86
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash net/core/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/jump_label.h:419:41: note: in expansion of macro 'unlikely'
419 | #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key))
| ^~~~~~~~
include/linux/memcontrol.h:1247:36: note: in expansion of macro 'static_branch_unlikely'
1247 | #define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_sockets_enabled_key)
| ^~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:2530:13: note: in expansion of macro 'mem_cgroup_sockets_enabled'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:61:31: warning: ignoring attribute 'section ("_ftrace_branch")' because it conflicts with previous 'section ("_ftrace_annotated_branch")' [-Wattributes]
61 | static struct ftrace_branch_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:49: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
net/core/sock.c:2530:9: note: in expansion of macro 'if'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/jump_label.h:419:41: note: in expansion of macro 'unlikely'
419 | #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key))
| ^~~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/jump_label.h:327:9: note: in expansion of macro 'if'
327 | if (!__builtin_types_compatible_p(typeof(*x), struct static_key) && \
| ^~
include/linux/jump_label.h:419:50: note: in expansion of macro 'static_key_enabled'
419 | #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key))
| ^~~~~~~~~~~~~~~~~~
include/linux/memcontrol.h:1247:36: note: in expansion of macro 'static_branch_unlikely'
1247 | #define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_sockets_enabled_key)
| ^~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:2530:13: note: in expansion of macro 'mem_cgroup_sockets_enabled'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:28:33: note: previous declaration here
28 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:58:49: note: in definition of macro '__trace_if'
58 | if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
| ^~~~
net/core/sock.c:2530:9: note: in expansion of macro 'if'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/jump_label.h:419:41: note: in expansion of macro 'unlikely'
419 | #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key))
| ^~~~~~~~
include/linux/memcontrol.h:1247:36: note: in expansion of macro 'static_branch_unlikely'
1247 | #define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_sockets_enabled_key)
| ^~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:2530:13: note: in expansion of macro 'mem_cgroup_sockets_enabled'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("_ftrace_annotated_branch")' because it conflicts with previous 'section ("_ftrace_branch")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
net/core/sock.c:2530:9: note: in expansion of macro 'if'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/jump_label.h:419:41: note: in expansion of macro 'unlikely'
419 | #define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key))
| ^~~~~~~~
include/linux/memcontrol.h:1247:36: note: in expansion of macro 'static_branch_unlikely'
1247 | #define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_sockets_enabled_key)
| ^~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:2530:13: note: in expansion of macro 'mem_cgroup_sockets_enabled'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
net/core/sock.c:2530:9: note: in expansion of macro 'if'
2530 | if (mem_cgroup_sockets_enabled && sk->sk_memcg)
| ^~
net/core/sock.c: Assembler messages:
net/core/sock.c:610: Error: unrecognized opcode `csrs sstatus,a5'
net/core/sock.c:610: Error: unrecognized opcode `csrc sstatus,a5'
net/core/sock.c:1112: Error: unrecognized opcode `csrs sstatus,a4'
net/core/sock.c:1112: Error: unrecognized opcode `csrc sstatus,a4'
net/core/sock.c:1267: Error: unrecognized opcode `csrs sstatus,a4'
net/core/sock.c:1267: Error: unrecognized opcode `csrc sstatus,a4'
>> net/core/sock.c:1090: Error: unrecognized opcode `csrs sstatus,s11'
>> net/core/sock.c:1090: Error: unrecognized opcode `csrc sstatus,s11'
net/core/sock.c:1420: Error: unrecognized opcode `csrs sstatus,a4'
net/core/sock.c:1420: Error: unrecognized opcode `csrc sstatus,a4'
net/core/sock.c:673: Error: unrecognized opcode `csrs sstatus,a4'
net/core/sock.c:673: Error: unrecognized opcode `csrc sstatus,a4'
vim +1090 net/core/sock.c
3f551f9436c05a Eric W. Biederman 2010-06-13 1083
28b5ba2aa0f55d David Herrmann 2017-06-21 1084 static int groups_to_user(gid_t __user *dst, const struct group_info *src)
28b5ba2aa0f55d David Herrmann 2017-06-21 1085 {
28b5ba2aa0f55d David Herrmann 2017-06-21 1086 struct user_namespace *user_ns = current_user_ns();
28b5ba2aa0f55d David Herrmann 2017-06-21 1087 int i;
28b5ba2aa0f55d David Herrmann 2017-06-21 1088
28b5ba2aa0f55d David Herrmann 2017-06-21 1089 for (i = 0; i < src->ngroups; i++)
28b5ba2aa0f55d David Herrmann 2017-06-21 @1090 if (put_user(from_kgid_munged(user_ns, src->gid[i]), dst + i))
28b5ba2aa0f55d David Herrmann 2017-06-21 1091 return -EFAULT;
28b5ba2aa0f55d David Herrmann 2017-06-21 1092
28b5ba2aa0f55d David Herrmann 2017-06-21 1093 return 0;
28b5ba2aa0f55d David Herrmann 2017-06-21 1094 }
28b5ba2aa0f55d David Herrmann 2017-06-21 1095
:::::: The code at line 1090 was first introduced by commit
:::::: 28b5ba2aa0f55d80adb2624564ed2b170c19519e net: introduce SO_PEERGROUPS getsockopt
:::::: TO: David Herrmann <dh.herrmann@...il.com>
:::::: CC: David S. Miller <davem@...emloft.net>
--
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https://01.org/lkp
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