parca-agent crashes at the start with BPF verifier error

[shakhat]

Describe the bug
Parca-agent crashes at the start with error message "load bpf program: failed to load BPF object: permission denied".
The issue occurs on main branch starting with commit 31bdda2

To Reproduce
Compile parca-agent from the source code and run as sudo ./dist/parca-agent

Logs

; LOG(\"[info] requesting that the user-space process attempt to fault in the memory at 0x%lx\", previous_rip_addr);
2128: (15) if r1 == 0x0 goto pc+5
last_idx 2128 first_idx 2128
 R0=inv(id=0) R1_rw=invP0 R2=inv0 R6=inv(id=0) R7_w=map_value(id=0,off=4,ks=4,vs=4151,imm=0) R8=inv(id=0) R9_w=inv4294967282 R10=fp0 fp-8=mmmmmmmm fp-80=mmmmmmmm fp-88=mmmmmmmm fp-152=mmmmmmmm fp-160=mmmmmmmm fp-176=map_value fp-184=map_value fp-192=invP6 fp-200=map_value fp-208=map_value fp-216=ctx fp-224=mmmmmmmm fp-232=mmmmmmmm fp-240=mmmmmmmm fp-248=mmmmmmmm fp-256=mmmmmmmm fp-264=mmmmmmmm
parent didn't have regs=2 stack=0 marks
last_idx 2127 first_idx 2113
regs=2 stack=0 before 2127: (71) r1 = *(u8 *)(r7 +1)
; if (!unwinder_config.rate_limit_reads) {
2134: (61) r1 = *(u32 *)(r7 +20)
 R0=inv(id=0) R1_w=invP0 R2=inv0 R6=inv(id=0) R7=map_value(id=0,off=4,ks=4,vs=4151,imm=0) R8=inv(id=0) R9=inv4294967282 R10=fp0 fp-8=mmmmmmmm fp-80=mmmmmmmm fp-88=mmmmmmmm fp-152=mmmmmmmm fp-160=mmmmmmmm fp-176=map_value fp-184=map_value fp-192=invP6 fp-200=map_value fp-208=map_value fp-216=ctx fp-224=mmmmmmmm fp-232=mmmmmmmm fp-240=mmmmmmmm fp-248=mmmmmmmm fp-256=mmmmmmmm fp-264=mmmmmmmm
; if (!unwinder_config.rate_limit_reads) {
2135: (15) if r1 == 0x0 goto pc+276
; payload_t payload = {REQUEST_READ, user_pid, addr};
2136: (7b) *(u64 *)(r10 -144) = r6
2137: (79) r3 = *(u64 *)(r10 -240)
2138: (63) *(u32 *)(r10 -148) = r3
2139: (b7) r1 = 3
2140: (73) *(u8 *)(r10 -152) = r1
; if (event_rate_limited(payload_for_rate_limiting, unwinder_config.rate_limit_reads)) {
2141: (18) r2 = 0xffff93669fa440d4
2143: (61) r6 = *(u32 *)(r2 +20)
 R0=inv(id=0) R1_w=inv3 R2_w=map_value(id=0,off=4,ks=4,vs=4151,imm=0) R3_w=inv(id=0) R6_w=inv(id=0) R7=map_value(id=0,off=4,ks=4,vs=4151,imm=0) R8=inv(id=0) R9=inv4294967282 R10=fp0 fp-8=mmmmmmmm fp-80=mmmmmmmm fp-88=mmmmmmmm fp-144_w=mmmmmmmm fp-152=mmmmmmmm fp-160=mmmmmmmm fp-176=map_value fp-184=map_value fp-192=invP6 fp-200=map_value fp-208=map_value fp-216=ctx fp-224=mmmmmmmm fp-232=mmmmmmmm fp-240=mmmmmmmm fp-248=mmmmmmmm fp-256=mmmmmmmm fp-264=mmmmmmmm
2144: (71) r2 = *(u8 *)(r10 -15)
invalid read from stack off -15+0 size 1
processed 7935 insns (limit 1000000) max_states_per_insn 4 total_states 306 peak_states 306 mark_read 120
-- END PROG LOAD LOG --
"
level=warn name=parca-agent ts=2024-04-17T14:44:59.946186552Z caller=logger.go:87 component=cpu_profiler component=libbpf msg="libbpf: prog 'native_unwind': failed to load: -13
"
level=warn name=parca-agent ts=2024-04-17T14:44:59.947440769Z caller=logger.go:87 component=cpu_profiler component=libbpf msg="libbpf: failed to load object 'parca-native'
"
level=error name=parca-agent ts=2024-04-17T14:44:59.947469422Z caller=cpu.go:465 component=cpu_profiler msg="could not create unwind info shards" lastError="failed to load BPF object: permission denied"
level=warn name=parca-agent ts=2024-04-17T14:44:59.947853868Z caller=discovery_manager.go:196 msg="unable to start provider" provider=systemd/0 error="context canceled"
level=error name=parca-agent ts=2024-04-17T14:44:59.948004403Z caller=main.go:539 err="load bpf program: failed to load BPF object: permission denied"

Note: BPF log is unwrapped for readability.

Software (please complete the following information):

• Parca Agent Version: [parca-agent --version] :
  parca-agent, version (commit: 5249391d0b767f8c3bad291c6de9221c0d25841f, date: 2024-04-17T13:31:47Z), arch: amd64

Environment (please complete the following information):

• Linux Distribution: [cat /etc/*-release]

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.6 LTS"
NAME="Ubuntu"
VERSION="20.04.6 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.6 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

• Linux Version: [uname -r] - 5.4.0-170-generic
• Arch: [uname -m] - x86_64