sched: RT throttling activated ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3791 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075 Modules linked in: CPU: 0 PID: 3791 Comm: syz-executor136 Not tainted 5.15.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075 Code: ff e8 07 e8 cc f7 0f 0b e9 4b fa ff ff e8 fb e7 cc f7 0f 0b e9 3b fe ff ff e8 ef e7 cc f7 0f 0b e9 06 ee ff ff e8 e3 e7 cc f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea RSP: 0018:ffffc90000007840 EFLAGS: 00010246 RAX: ffffffff89b34dad RBX: 0000000000000000 RCX: ffff888022c23b80 RDX: 0000000080000101 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a70 R08: ffffffff89b33e38 R09: ffffffff89b3380b R10: 0000000000000003 R11: ffff888022c23b80 R12: dffffc0000000000 R13: ffff88807ab14c80 R14: ffff88807ab16298 R15: 1ffff92000000f18 FS: 00007f16471736c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020048030 CR3: 000000001a6a0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 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:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:331 [inline] RIP: 0010:rcu_is_watching+0x36/0xa0 kernel/rcu/tree.c:1123 Code: e8 3f bd b0 08 89 c3 83 f8 08 73 72 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd f0 e7 34 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 50 02 5f 00 48 c7 c3 c8 b2 03 00 49 03 1e 48 89 RSP: 0018:ffffc90003787b20 EFLAGS: 00000246 RAX: 1ffffffff1869cfe RBX: 0000000000000000 RCX: ffffffff8162ae18 RDX: 0000000000000000 RSI: ffffffff8ad88ea0 RDI: ffffffff8ad88e60 RBP: ffffc90003787c70 R08: dffffc0000000000 R09: fffffbfff1bc7186 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920006f0f74 R13: ffffffff81b986c8 R14: ffffffff8c34e7f0 R15: dffffc0000000000 trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0xb9/0x9a0 kernel/locking/lockdep.c:5634 do_recvmmsg+0x39d/0x8f0 net/socket.c:2792 __sys_recvmmsg net/socket.c:2865 [inline] __do_sys_recvmmsg net/socket.c:2888 [inline] __se_sys_recvmmsg net/socket.c:2881 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2881 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f16471d4e09 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1647173228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f164725e378 RCX: 00007f16471d4e09 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f164725e370 R08: 0000000000000000 R09: 00007f16471736c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f164725e37c R13: 00007f164722b1c4 R14: 0031313230386c6e R15: 00007fff66567258 ---------------- Code disassembly (best guess): 0: e8 3f bd b0 08 call 0x8b0bd44 5: 89 c3 mov %eax,%ebx 7: 83 f8 08 cmp $0x8,%eax a: 73 72 jae 0x7e c: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 13: fc ff df 16: 4c 8d 34 dd f0 e7 34 lea -0x73cb1810(,%rbx,8),%r14 1d: 8c 1e: 4c 89 f0 mov %r14,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) * 2a: 74 08 je 0x34 <-- trapping instruction 2c: 4c 89 f7 mov %r14,%rdi 2f: e8 50 02 5f 00 call 0x5f0284 34: 48 c7 c3 c8 b2 03 00 mov $0x3b2c8,%rbx 3b: 49 03 1e add (%r14),%rbx 3e: 48 rex.W 3f: 89 .byte 0x89