rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (2 ticks this GP) idle=373/1/0x4000000000000002 softirq=13515/13515 fqs=2100 (detected by 1, t=10504 jiffies, g=17753, q=1186) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5969 Comm: syz.3.829 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__perf_event_account_interrupt+0x0/0x2a0 kernel/events/core.c:9388 Code: 0f 1f 84 00 00 00 00 00 66 90 53 48 89 fb e8 77 6e de ff 48 89 df be 01 00 00 00 5b eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 <55> 41 57 41 56 41 55 41 54 53 50 41 89 f4 49 89 ff 48 bb 00 00 00 RSP: 0018:ffffc900000075d0 EFLAGS: 00000002 RAX: 0000000000000100 RBX: 0000000000000000 RCX: ffff888023813b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805fab11e8 RBP: 0000000000000001 R08: ffffffff81a1ef66 R09: ffffed100bf562cc R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88805fab11e8 R14: ffff88805fab1658 R15: 0000000000000000 FS: 00007f1c309db6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000022c01000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __perf_event_overflow+0x99/0x530 kernel/events/core.c:9445 perf_tp_event+0x363/0xc40 kernel/events/core.c:10018 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9992 perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:664 RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 9d a2 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a RSP: 0018:ffffc90000007b00 EFLAGS: 00000206 RAX: e065f3db9bfc1900 RBX: 1ffff92000000f68 RCX: ffffffff96868f03 RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: ffffffff8ad904c0 RBP: ffffc90000007bd0 R08: ffffffff8186dcf8 R09: ffffed101720765a R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923c00 R13: ffff888023813fd8 R14: ffffc90000007b40 R15: 1ffff92000000f64 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:771 [inline] ieee80211_iterate_active_interfaces_atomic+0x12e/0x140 net/mac80211/util.c:831 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:is_bpf_text_address+0x0/0x260 kernel/bpf/core.c:718 Code: d6 cf de ff e8 31 c1 00 00 48 89 e8 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 50 49 89 fe e8 5d 5e f3 ff e8 e8 ce RSP: 0018:ffffc900030977d8 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 00007f1c32562ff9 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8ad904a0 RDI: 00007f1c32562ff9 RBP: 0000000000007301 R08: ffffc90003097f58 R09: ffffc90003097910 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888023813b80 R13: ffffffff816df9a0 R14: 0000000000000001 R15: 1ffff92000612f0d kernel_text_address kernel/extable.c:151 [inline] __kernel_text_address+0x94/0x100 kernel/extable.c:105 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x80 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kmem_cache_free+0x91/0x1f0 mm/slub.c:3515 getname_flags+0x23e/0x4e0 fs/namei.c:151 do_sys_openat2+0xd2/0x4f0 fs/open.c:1247 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1280 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1c32562ff9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1c309db038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f1c3271af80 RCX: 00007f1c32562ff9 RDX: 00000000000026e1 RSI: 0000000000000000 RDI: ffffffffffffff9c RBP: 00007f1c325d5296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c3271af80 R15: 00007ffe7721b0d8