Bluetooth: hci5: command 0x0419 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:15610] Modules linked in: irq event stamp: 21583937 hardirqs last enabled at (21583936): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (21583937): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (21545974): [] __do_softirq+0x69a/0x9a0 kernel/softirq.c:318 softirqs last disabled at (21545977): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (21545977): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 15610 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count_add+0xe/0x190 kernel/sched/core.c:3230 Code: 40 55 36 8d e8 f3 4b 58 00 e9 5a ff ff ff 48 c7 c7 40 55 36 8d e8 e2 4b 58 00 eb ab 48 b8 00 00 00 00 00 fc ff df 55 89 fd 53 <48> c7 c3 20 97 23 8d 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 RSP: 0018:ffff8880ba007778 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11017400efa RCX: 0000000000000015 RDX: 1ffff11017400f16 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000074071 R11: 0000000000000001 R12: ffff8880ba0078c0 R13: 0000000000000000 R14: ffff8880ba0078b0 R15: ffff8880ba007878 FS: 00007f291a3ac700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5650314db8 CR3: 0000000009e6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x11b/0x1c60 arch/x86/kernel/unwind_orc.c:414 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 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:4321 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4432 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:pte_val arch/x86/include/asm/paravirt.h:389 [inline] RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:197 [inline] RIP: 0010:_vm_normal_page+0xb3/0x510 mm/memory.c:834 Code: c0 b8 c4 ce 89 4c 8b 64 24 30 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 e1 03 00 00 48 83 3d 65 b7 40 08 00 <0f> 84 6c 01 00 00 e8 52 bf d6 ff 4c 89 e7 48 89 f8 0f 1f 40 00 31 RSP: 0018:ffff88802ee8f6c0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff139d897 RBX: dffffc0000000000 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff818e0d11 RDI: ffff888034792c60 RBP: 1ffff11005dd1eda R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 800000004848b007 R13: ffff888034792c60 R14: 00007f291c2f9000 R15: ffff88802ee8f6f0 zap_pte_range mm/memory.c:1323 [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+0xfba/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:546 [inline] do_exit+0xab5/0x2b70 kernel/exit.c:874 do_group_exit+0x125/0x310 kernel/exit.c:990 get_signal+0x3f2/0x1f70 kernel/signal.c:2588 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: 0033:0x45de49 Code: Bad RIP value. RSP: 002b:00007f291a3abc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: fffffffffffffff4 RBX: 0000000000002040 RCX: 000000000045de49 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000000118bf70 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc609ade8f R14: 00007f291a3ac9c0 R15: 000000000118bf2c Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15168 Comm: kworker/u4:7 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:254 [inline] RIP: 0010:debug_lockdep_rcu_enabled+0x92/0xe0 kernel/rcu/update.c:251 Code: 08 85 c9 74 45 65 48 8b 1c 25 80 df 01 00 48 8d bb 84 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 32 8b 93 84 08 00 RSP: 0018:ffff88804a307ca0 EFLAGS: 00000a03 RAX: dffffc0000000000 RBX: ffff88805b028680 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88805b028f04 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 000000000000003a R15: ffff8880a4b9e400 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bf62438b08 CR3: 00000000b2ab8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:677 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x619/0xd50 net/batman-adv/network-coding.c:730 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415