mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-....: (10450 ticks this GP) idle=e16/1/0x4000000000000004 softirq=172407/172795 fqs=5182 rcu: (t=10502 jiffies g=13701 q=9) NMI backtrace for cpu 0 CPU: 0 PID: 6540 Comm: syz-executor.1 Not tainted 4.19.163-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340 print_cpu_stall kernel/rcu/tree.c:1478 [inline] check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1650 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:109 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find.part.0+0x3e/0x270 kernel/bpf/core.c:511 Code: df 55 53 48 83 ec 10 e8 f0 7c f5 ff 8b 35 5a 88 71 08 89 f3 89 74 24 0c 83 e3 01 48 8d 3c dd a8 db e0 89 48 8d 6b 05 48 89 f8 <48> c1 e8 03 42 80 3c 20 00 0f 85 0f 02 00 00 48 8b 2c ed 80 db e0 RSP: 0018:ffff8880ba0077c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff89e0dba8 RBX: 0000000000000000 RCX: ffffffff816f74ea RDX: 0000000000000100 RSI: 0000000000000094 RDI: ffffffff89e0dba8 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000045e149 R14: ffff8880b5bbec00 R15: 00000000000000e8 bpf_prog_kallsyms_find include/linux/rcupdate.h:628 [inline] is_bpf_text_address+0x196/0x1b0 kernel/bpf/core.c:546 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 __build_skb+0x39/0x300 net/core/skbuff.c:281 __netdev_alloc_skb+0x2a7/0x460 net/core/skbuff.c:426 netdev_alloc_skb include/linux/skbuff.h:2675 [inline] dev_alloc_skb include/linux/skbuff.h:2688 [inline] __ieee80211_beacon_get+0xc7d/0x1a30 net/mac80211/tx.c:4332 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4443 ieee80211_beacon_get include/net/mac80211.h:4484 [inline] mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:compound_head include/linux/page-flags.h:142 [inline] RIP: 0010:PageMlocked include/linux/page-flags.h:354 [inline] RIP: 0010:page_remove_file_rmap+0x385/0xa30 mm/rmap.c:1246 Code: e7 ed 01 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 20 06 00 00 48 8b 83 88 00 00 00 65 4c 89 68 68 26 96 d2 ff 49 8d 7e 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa RSP: 0018:ffff88805ab6f6f8 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff83801ea3 RDX: 0000000000000000 RSI: ffffffff83801eb1 RDI: 0000000000000005 RBP: ffff88813fffb000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffffffffffff R14: ffffea000268fa00 R15: 00007efd9d540000 page_remove_rmap+0xe5/0x120 mm/rmap.c:1300 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0x12f6/0x2a70 mm/memory.c:1523 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0xaf0/0x2be0 kernel/exit.c:877 do_group_exit+0x125/0x310 kernel/exit.c:993 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e149 Code: Bad RIP value. RSP: 002b:00007efd9ad68c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 0000000000000018 RBX: 0000000000000004 RCX: 000000000045e149 RDX: 0400000000000018 RSI: 0000000020007fc0 RDI: 0000000000000005 RBP: 000000000119bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffff266ab6f R14: 00007efd9ad699c0 R15: 000000000119bf8c mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium team0 (unregistering): Port device team_slave_0 removed mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21