systemd[1]: systemd-journald.service: Failed with result 'watchdog'. systemd[1]: systemd-journald.service: Consumed 1.408s CPU time. systemd[1]: systemd-journald.service: Scheduled restart job, restart counter is at 1. rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (1140 ticks this GP) idle=db64/1/0x4000000000000000 softirq=282466/282466 fqs=20841 rcu: (detected by 1, t=105002 jiffies, g=254705, q=89958 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5776 Comm: syz-executor.7 Not tainted 6.2.0-rc5-next-20230127 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:native_apic_mem_write+0xc/0x20 Code: 1f 00 b8 01 00 00 00 e9 96 ff 35 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 ff 89 b7 00 c0 5f ff 73 ff 35 03 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 RSP: 0018:ffff88806ce09938 EFLAGS: 00000046 RAX: ffffffff8111af40 RBX: ffffffff8529ac80 RCX: ffffffff8112a2a1 RDX: 1ffffffff0a53591 RSI: 0000000000000000 RDI: 00000000000000b0 RBP: ffff88806ce09968 R08: 0000000000000001 R09: ffff88806ce282cf R10: ffffed100d9c5059 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f479b5cd700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f479e167000 CR3: 0000000045156000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __sysvec_irq_work+0x55/0x3c0 sysvec_irq_work+0x33/0x90 asm_sysvec_irq_work+0x1a/0x20 RIP: 0010:stack_access_ok+0xa/0x1d0 Code: 48 89 ef e8 58 86 6c 00 eb da 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df <41> 56 41 55 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 53 48 RSP: 0018:ffff88806ce09a10 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff86098b77 RCX: ffffffff86098b72 RDX: 0000000000000008 RSI: ffff88806ce09f68 RDI: ffff88806ce09a90 RBP: ffff88806ce09ae8 R08: ffffffff86098b76 R09: ffff88806ce09ad0 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88806ce09ad1 R13: ffff88806ce09a90 R14: 0000000000000002 R15: ffff88806ce09f70 unwind_next_frame+0xc5e/0x2360 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x510 rcu_core+0x822/0x1d50 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:generic_exec_single+0x212/0x310 Code: 89 ef 45 31 ed e8 7e 13 07 03 e9 e8 fe ff ff e8 a4 c7 0a 00 e8 6f e8 11 00 4c 89 ef e8 67 13 07 03 e8 82 e6 11 00 fb 45 31 ed c8 fe ff ff e8 84 c7 0a 00 0f 0b e9 73 ff ff ff 4c 89 f7 e8 f5 RSP: 0018:ffff888042cdfb48 EFLAGS: 00000246 RAX: 00000000000000d7 RBX: 0000000000000200 RCX: ffffffff812c9c2f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8140959e RBP: ffffffff815a5fc0 R08: 0000000000000001 R09: ffffffff876989ef R10: fffffbfff0ed313d R11: 0000000000000001 R12: ffff888042cdfbc0 R13: 0000000000000000 R14: ffff888042cdfbc8 R15: ffff88804275d054 smp_call_function_single+0x327/0x410 task_function_call+0xe5/0x180 perf_install_in_context+0x2cb/0x570 __do_sys_perf_event_open+0x1888/0x2a30 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f479e057b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f479b5cd188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f479e16af60 RCX: 00007f479e057b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f479e0b1f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9d285b9f R14: 00007f479b5cd300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 b8 01 00 00 00 add %bh,0x1(%rax) 6: e9 96 ff 35 03 jmpq 0x335ffa1 b: 66 90 xchg %ax,%ax d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: f3 0f 1e fa endbr64 21: 89 ff mov %edi,%edi 23: 89 b7 00 c0 5f ff mov %esi,-0xa04000(%rdi) * 29: e9 73 ff 35 03 jmpq 0x335ffa1 <-- trapping instruction 2e: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 35: 00 00 00 00 39: 0f 1f 40 00 nopl 0x0(%rax) 3d: 90 nop 3e: 90 nop