If I try to run any snap application in Fedora 35 beta, I get this error:
WARNING: cgroup v2 is not fully supported yet, proceeding with partial confinement
runtime/cgo: pthread_create failed: Operation not permitted
SIGABRT: abort
PC=0x590143 m=0 sigcode=18446744073709551610
goroutine 0 [idle]:
runtime: unknown pc 0x590143
stack: frame={sp:0x7fffdcd6e410, fp:0x0} stack=[0x7fffdc56f8c8,0x7fffdcd6e900)
00007fffdcd6e310: 00007fffdcd6e350 000000000046befe <runtime.callCgoMmap+62>
00007fffdcd6e320: 00007fffdcd6e320 00007fffdcd6e358
00007fffdcd6e330: 00007fffdcd6e368 00000000005766cc
00007fffdcd6e340: 00000000005fecd0 000000001c000004
00007fffdcd6e350: 000000000057dd50 0000000000000000
00007fffdcd6e360: 0000000000000000 0000000000596abe
00007fffdcd6e370: 0000000000000000 0000000000000000
00007fffdcd6e380: 0000000000000010 0000000000000000
00007fffdcd6e390: 0000000000000120 0000000000000110
00007fffdcd6e3a0: 00007f6f4dd87fff 0000000000000012
00007fffdcd6e3b0: 0020300000000000 00000000005cf111
00007fffdcd6e3c0: 00007f6f4da67640 00007fffdcd6e680
00007fffdcd6e3d0: 00007fffdcd6e4ee 00007fffdcd6e4ef
00007fffdcd6e3e0: 00007f6f4da67640 000000000058ead5
00007fffdcd6e3f0: 000080c00003bfff 00000000000209a0
00007fffdcd6e400: 00000000003d0f00 0000000000590135
00007fffdcd6e410: <00007f6f4da67910 0000000000000006
00007fffdcd6e420: 0000000000000001 000000000057dcd6
00007fffdcd6e430: 00000000008047c0 00000000004011ec
00007fffdcd6e440: 0000000000000020 0000000000000000
00007fffdcd6e450: 0000000000000000 f27d072410ddac00
00007fffdcd6e460: 00007fffdcd6e530 00007f6f4da67640
00007fffdcd6e470: 0000000000000000 00007fffdcd6e680
00007fffdcd6e480: 00007f6f4da67640 000000000058f7ea
00007fffdcd6e490: 00007fffdcd6e680 000000000058966d
00007fffdcd6e4a0: 0000000001faf650 00000000007bd640
00007fffdcd6e4b0: 000000000066fc1c 000000000058966d
00007fffdcd6e4c0: 0000000000000828 00000000007bd640
00007fffdcd6e4d0: 00000000007bd6c3 00000000007d4ee0
00007fffdcd6e4e0: 0000000000000828 000000000058871e
00007fffdcd6e4f0: 0000000000000001 00000000007bd640
00007fffdcd6e500: 0000000001fae3c0 00007fffdcd6e740
runtime: unknown pc 0x590143
stack: frame={sp:0x7fffdcd6e410, fp:0x0} stack=[0x7fffdc56f8c8,0x7fffdcd6e900)
00007fffdcd6e310: 00007fffdcd6e350 000000000046befe <runtime.callCgoMmap+62>
00007fffdcd6e320: 00007fffdcd6e320 00007fffdcd6e358
00007fffdcd6e330: 00007fffdcd6e368 00000000005766cc
00007fffdcd6e340: 00000000005fecd0 000000001c000004
00007fffdcd6e350: 000000000057dd50 0000000000000000
00007fffdcd6e360: 0000000000000000 0000000000596abe
00007fffdcd6e370: 0000000000000000 0000000000000000
00007fffdcd6e380: 0000000000000010 0000000000000000
00007fffdcd6e390: 0000000000000120 0000000000000110
00007fffdcd6e3a0: 00007f6f4dd87fff 0000000000000012
00007fffdcd6e3b0: 0020300000000000 00000000005cf111
00007fffdcd6e3c0: 00007f6f4da67640 00007fffdcd6e680
00007fffdcd6e3d0: 00007fffdcd6e4ee 00007fffdcd6e4ef
00007fffdcd6e3e0: 00007f6f4da67640 000000000058ead5
00007fffdcd6e3f0: 000080c00003bfff 00000000000209a0
00007fffdcd6e400: 00000000003d0f00 0000000000590135
00007fffdcd6e410: <00007f6f4da67910 0000000000000006
00007fffdcd6e420: 0000000000000001 000000000057dcd6
00007fffdcd6e430: 00000000008047c0 00000000004011ec
00007fffdcd6e440: 0000000000000020 0000000000000000
00007fffdcd6e450: 0000000000000000 f27d072410ddac00
00007fffdcd6e460: 00007fffdcd6e530 00007f6f4da67640
00007fffdcd6e470: 0000000000000000 00007fffdcd6e680
00007fffdcd6e480: 00007f6f4da67640 000000000058f7ea
00007fffdcd6e490: 00007fffdcd6e680 000000000058966d
00007fffdcd6e4a0: 0000000001faf650 00000000007bd640
00007fffdcd6e4b0: 000000000066fc1c 000000000058966d
00007fffdcd6e4c0: 0000000000000828 00000000007bd640
00007fffdcd6e4d0: 00000000007bd6c3 00000000007d4ee0
00007fffdcd6e4e0: 0000000000000828 000000000058871e
00007fffdcd6e4f0: 0000000000000001 00000000007bd640
00007fffdcd6e500: 0000000001fae3c0 00007fffdcd6e740
goroutine 1 [running]:
runtime.systemstack_switch()
/usr/lib/golang/src/runtime/asm_amd64.s:339 fp=0xc000040788 sp=0xc000040780 pc=0x4683c0
runtime.main()
/usr/lib/golang/src/runtime/proc.go:144 +0x8d fp=0xc0000407e0 sp=0xc000040788 pc=0x43978d
runtime.goexit()
/usr/lib/golang/src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0000407e8 sp=0xc0000407e0 pc=0x46a201
rax 0x0
rbx 0x1fae3c0
rcx 0x590143
rdx 0x6
rdi 0x1edba
rsi 0x1edba
rbp 0x1edba
rsp 0x7fffdcd6e410
r8 0x7fffdcd6e440
r9 0x6a2420
r10 0x8
r11 0x202
r12 0x6
r13 0x7fffdcd6e740
r14 0x66ae8a
r15 0x0
rip 0x590143
rflags 0x202
cs 0x33
fs 0x0
gs 0x0