Warning: Permanently added '[localhost]:8311' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.061849] audit: type=1400 audit(1680603043.538:8): avc: denied { execmem } for pid=387 comm="syz-executor251" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 50.820160] hrtimer: interrupt took 427717 ns [ 71.109555] rcu: INFO: rcu_sched self-detected stall on CPU [ 71.122354] rcu: 0-....: (20864 ticks this GP) idle=c2e/1/0x4000000000000000 softirq=3565/3565 fqs=5143 [ 71.166462] (t=21017 jiffies g=4385 q=36) [ 71.175685] NMI backtrace for cpu 0 [ 71.185931] CPU: 0 PID: 389 Comm: syz-executor251 Not tainted 5.14.0 #2 [ 71.204915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 71.231268] Call Trace: [ 71.238089] [ 71.243626] dump_stack_lvl+0x4c/0x64 [ 71.253022] nmi_cpu_backtrace+0xd4/0xf0 [ 71.262639] ? lapic_can_unplug_cpu+0x90/0x90 [ 71.274182] nmi_trigger_cpumask_backtrace+0xd4/0x120 [ 71.285875] rcu_dump_cpu_stacks+0xc0/0xf0 [ 71.294646] rcu_sched_clock_irq+0x5ee/0x850 [ 71.304724] ? trigger_load_balance+0x96/0x310 [ 71.313941] ? tick_sched_handle.isra.19+0x60/0x60 [ 71.324216] ? tick_sched_handle.isra.19+0x60/0x60 [ 71.336021] update_process_times+0x9b/0xd0 [ 71.347283] tick_sched_handle.isra.19+0x48/0x60 [ 71.362260] tick_sched_timer+0x7e/0xa0 [ 71.373008] __hrtimer_run_queues+0x144/0x300 [ 71.385390] hrtimer_interrupt+0xed/0x260 [ 71.394200] __sysvec_apic_timer_interrupt+0x55/0xf0 [ 71.404552] sysvec_apic_timer_interrupt+0x43/0x80 [ 71.415246] [ 71.420237] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 71.432475] RIP: 0010:__do_sys_perf_event_open+0xd9f/0x1230 [ 71.445658] Code: fe e8 45 28 ff ff 8b 95 84 02 00 00 4c 89 ef 48 89 ee 65 48 8b 04 25 00 6d 01 00 48 89 85 98 02 00 00 e8 14 26 ff ff 4c 89 ef 1c ee fe ff e8 77 42 fa ff 48 8b 7c 24 20 e8 ed f5 d7 00 4d 85 [ 71.488559] RSP: 0018:ffffaf78c061be38 EFLAGS: 00000282 [ 71.499622] RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffffffff827be8c1 [ 71.514322] RDX: ffff957902325e80 RSI: 0000000000000000 RDI: ffff957903409d00 [ 71.529733] RBP: ffff957906968000 R08: ffff957902e16e00 R09: 0000000000000000 [ 71.545772] R10: ffffaf78c061bd98 R11: 000000000002df40 R12: ffff957902325e80 [ 71.561576] R13: ffff957903409d00 R14: 0000000000000008 R15: ffff957906968162 [ 71.577063] ? perf_install_in_context+0x131/0x210 [ 71.587209] ? __do_sys_perf_event_open+0xd9c/0x1230 [ 71.597141] ? handle_mm_fault+0xe7/0x270 [ 71.605285] do_syscall_64+0x3a/0x80 [ 71.613147] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.622660] RIP: 0033:0x44af79 [ 71.628693] Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 71.673544] RSP: 002b:00007ffcb80f5a98 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 71.692428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044af79 [ 71.707648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 [ 71.724040] RBP: 000000000000be70 R08: 0000000000000000 R09: 0000000000402530 [ 71.739350] R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000ffffffff [ 71.756138] R13: 0000000000000000 R14: 00000000006bb018 R15: 0000000000000000 VM DIAGNOSIS: 03:11:07 Registers: info registers vcpu 0 RAX=0000000000010060 RBX=0000000000000005 RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=ffffffff84843520 RBP=ffffffff84843520 RSP=ffffaf78c0003b00 R8 =687420736b636974 R9 =2034363830322820 R10=3228203a2e2e2e2e R11=2d3009203a756372 R12=0000000000000020 R13=ffffffff82c8c370 R14=ffffffff847e46ad R15=0000000000000005 RIP=ffffffff82c8b6cb RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00100 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00100 FS =0000 00000000024da880 ffffffff 00c00100 GS =0000 ffff95797dc00000 ffffffff 00c00100 LDT=0000 0000000000000000 000fffff 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00000000200000c0 CR3=000000000362c001 CR4=003706f0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=25252525252525252525252525252525 XMM01=0000000000000000000000ff00000000 XMM02=0000000000000000000000ff00000000 XMM03=000000000000000000000000000000ff XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=ffffffffffffffffffffffffffffffff XMM07=00000004000000040000000400000004 XMM08=2f666c65732f636f72702f0030303031 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000246 RCX=0000000000000006 RDX=0000000000000001 RSI=0000000000000001 RDI=ffffffff83f38240 RBP=0000000000000000 RSP=ffffaf78c005be68 R8 =0000000000000001 R9 =ffff9579011b9080 R10=ffffaf78c006be30 R11=0000000000000c00 R12=ffffffff82709aa0 R13=ffffffff8407ebd0 R14=0000000000000000 R15=ffffffff83f38240 RIP=ffffffff826e0099 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00100 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00100 FS =0000 0000000000000000 ffffffff 00c00100 GS =0000 ffff95797dd00000 ffffffff 00c00100 LDT=0000 0000000000000000 000fffff 00000000 TR =0040 fffffe0000038000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000036000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055ccdfc57d18 CR3=000000000375c005 CR4=003706e0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=ffffffffffff0000ffff0000ff000000 XMM05=6374652f2074726f7065722d2d207374 XMM06=7261702d6e7572202626202f20646320 XMM07=28207c7c206e6f7263616e612f6e6962 XMM08=20000000200000000000000000000000 XMM09=ffff0000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000