[jpoimboe:objtool/break-stuff 4/4] kernel/bpf/core.o: error: objtool: ___bpf_prog_run+0x74: sibling call from callable instruction with modified stack frame

[jpoimboe:objtool/break-stuff 4/4] kernel/bpf/core.o: error: objtool: ___bpf_prog_run+0x74: sibling call from callable instruction with modified stack frame

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git objtool/break-stuff
head:   5daebdfce36d5b286c19eafeb6a44bb73d7f721c
commit: 92c6d838b7e6d873c20b11ada80909fc590160cf [4/4] objtool: Change "warning:" to "error:" for CONFIG_OBJTOOL_WERROR
config: loongarch-randconfig-001-20250115 (https://download.01.org/0day-ci/archive/20250115/202501150853.RqQO2B4M-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250115/202501150853.RqQO2B4M-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501150853.RqQO2B4M-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/bpf/core.o: error: objtool: ___bpf_prog_run+0x74: sibling call from callable instruction with modified stack frame
>> kernel/bpf/core.o: error: objtool:   ___bpf_prog_run+0x0: <=== (sym)
   0000 00000000000009e0 <___bpf_prog_run>:
   0000      9e0:	03400000 	nop
   0004      9e4:	03400000 	nop
   0008      9e8:	02fe4063 	addi.d      	$sp, $sp, -112
   000c      9ec:	29c0e07b 	st.d        	$s4, $sp, 56
   0010      9f0:	1a00001b 	pcalau12i   	$s4, 0	9f0: R_LARCH_PCALA_HI20	jumptable.26
   0014      9f4:	29c16077 	st.d        	$s0, $sp, 88
   0018      9f8:	29c14078 	st.d        	$s1, $sp, 80
   001c      9fc:	29c0c07c 	st.d        	$s5, $sp, 48
   0020      a00:	29c0a07d 	st.d        	$s6, $sp, 40
   0024      a04:	29c1a061 	st.d        	$ra, $sp, 104
   0028      a08:	29c18076 	st.d        	$fp, $sp, 96
   002c      a0c:	29c12079 	st.d        	$s2, $sp, 72
   0030      a10:	29c1007a 	st.d        	$s3, $sp, 64
   0034      a14:	29c0807e 	st.d        	$s7, $sp, 32
   0038      a18:	29c0607f 	st.d        	$s8, $sp, 24
   003c      a1c:	0015001d 	move        	$s6, $zero
   0040      a20:	00150098 	move        	$s1, $a0
   0044      a24:	001500b7 	move        	$s0, $a1
   0048      a28:	02c0037b 	addi.d      	$s4, $s4, 0	a28: R_LARCH_PCALA_LO12	jumptable.26
   004c      a2c:	0281401c 	li.w        	$s5, 80
   0050      a30:	001502e4 	move        	$a0, $s0
   0054      a34:	54000000 	bl          	0	# a34 <___bpf_prog_run+0x54>	a34: R_LARCH_B26	__asan_load1_noabort
   0058      a38:	2a0002f9 	ld.bu       	$s2, $s0, 0
   005c      a3c:	00410f3a 	slli.d      	$s3, $s2, 0x3
   0060      a40:	0010eb64 	add.d       	$a0, $s4, $s3
   0064      a44:	54000000 	bl          	0	# a44 <___bpf_prog_run+0x64>	a44: R_LARCH_B26	__asan_load8_noabort
   0068      a48:	380c6b6c 	ldx.d       	$t0, $s4, $s3
   006c      a4c:	0040833e 	slli.w      	$s7, $s2, 0x0
   0070      a50:	02c012fa 	addi.d      	$s3, $s0, 4
   0074      a54:	4c000180 	jr          	$t0

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