rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (3 ticks this GP) idle=263/1/0x4000000000000000 softirq=154580/154581 fqs=5237 (detected by 1, t=10502 jiffies, g=291617, q=1418) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 20425 Comm: syz-executor.5 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_swevent_get_recursion_context+0x14/0x140 kernel/events/core.c:9434 Code: 9f 4c 89 ef e8 8d d2 28 00 e9 6d ff ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55 53 48 c7 c3 00 47 03 00 e8 bc 64 e2 ff d7 50 a2 07 83 f8 07 89 c5 0f 87 01 01 00 00 48 8d 3c ed a0 68 RSP: 0018:ffffc90000007bc0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000034700 RCX: 0000000000000100 RDX: ffff88801c408000 RSI: ffffffff81950dd4 RDI: 0000000000000003 RBP: 0000000000000014 R08: 0000000000002000 R09: ffff8880b9c3aa53 R10: ffffffff817f4a42 R11: 0000000000000000 R12: ffffc90000007c70 R13: ffffc90000007c80 R14: ffffffff89400d42 R15: ffffc90000007cc0 FS: 00007ff1f839c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007aecc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: perf_trace_buf_alloc+0x38/0x260 kernel/trace/trace_event_perf.c:407 perf_trace_preemptirq_template+0x128/0x460 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x156/0x1c0 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:664 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__rcu_read_unlock+0xc4/0x570 kernel/rcu/tree_plugin.h:425 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e b6 01 00 00 8b 85 40 04 00 00 85 c0 75 54 <65> 48 8b 1c 25 40 70 02 00 48 8d bb 3c 04 00 00 48 b8 00 00 00 00 RSP: 0018:ffffc90000007dc0 EFLAGS: 00000206 RAX: 0000000000000006 RBX: ffff8880b9c3a900 RCX: 1ffffffff1fa799e RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000 RBP: ffffffff8b98bb00 R08: 0000000000000001 R09: ffffffff8fd39a07 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff85379500 R14: 0000000000000200 R15: ffffffff853743d0 rcu_read_unlock include/linux/rcupdate.h:720 [inline] ieee80211_iterate_active_interfaces_atomic+0x92/0x180 net/mac80211/util.c:831 mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1861 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:finish_task_switch.isra.0+0x323/0xb80 kernel/sched/core.c:4849 Code: 63 cc e6 07 85 c0 75 02 0f 0b 48 85 db 0f 85 25 01 00 00 4c 89 f7 e8 fc f7 ff ff e8 27 29 2d 00 fb 65 48 8b 1c 25 40 70 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffffc90003097420 EFLAGS: 00000206 RAX: 000000000000296f RBX: ffff88801c408000 RCX: 1ffffffff1fa799e RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003097468 R08: 0000000000000001 R09: ffffffff8fd39a07 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b9c3a7d8 R13: ffff88801c2b9d00 R14: ffff8880b9c39a80 R15: ffff8880b9c3a4b8 context_switch kernel/sched/core.c:4972 [inline] __schedule+0xaa2/0x4940 kernel/sched/core.c:6250 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6416 __cond_resched_lock+0xe6/0xf0 kernel/sched/core.c:8177 __purge_vmap_area_lazy+0x976/0x1c50 mm/vmalloc.c:1710 _vm_unmap_aliases.part.0+0x3f0/0x500 mm/vmalloc.c:2107 _vm_unmap_aliases mm/vmalloc.c:2081 [inline] vm_unmap_aliases+0x45/0x50 mm/vmalloc.c:2130 change_page_attr_set_clr+0x241/0x500 arch/x86/mm/pat/set_memory.c:1741 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1798 [inline] set_memory_ro+0x78/0xa0 arch/x86/mm/pat/set_memory.c:1944 bpf_jit_binary_lock_ro include/linux/filter.h:892 [inline] bpf_int_jit_compile+0xe90/0x1240 arch/x86/net/bpf_jit_comp.c:2320 bpf_prog_select_runtime+0x46b/0x780 kernel/bpf/core.c:1923 bpf_prog_load+0xf80/0x21e0 kernel/bpf/syscall.c:2333 __sys_bpf+0x67e/0x5f00 kernel/bpf/syscall.c:4618 __do_sys_bpf kernel/bpf/syscall.c:4722 [inline] __se_sys_bpf kernel/bpf/syscall.c:4720 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4720 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff1fae26ae9 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:00007ff1f839c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ff1faf39f60 RCX: 00007ff1fae26ae9 RDX: 0000000000000078 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007ff1fae80f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffe826eeaf R14: 00007ff1f839c300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 9f lahf 1: 4c 89 ef mov %r13,%rdi 4: e8 8d d2 28 00 callq 0x28d296 9: e9 6d ff ff ff jmpq 0xffffff7b e: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 15: 00 16: 41 56 push %r14 18: 41 55 push %r13 1a: 41 54 push %r12 1c: 55 push %rbp 1d: 53 push %rbx 1e: 48 c7 c3 00 47 03 00 mov $0x34700,%rbx 25: e8 bc 64 e2 ff callq 0xffe264e6 * 2a: e8 d7 50 a2 07 callq 0x7a25106 <-- trapping instruction 2f: 83 f8 07 cmp $0x7,%eax 32: 89 c5 mov %eax,%ebp 34: 0f 87 01 01 00 00 ja 0x13b 3a: 48 rex.W 3b: 8d .byte 0x8d 3c: 3c ed cmp $0xed,%al 3e: a0 .byte 0xa0 3f: 68 .byte 0x68