Bluetooth: hci5: command 0x040f tx timeout Bluetooth: hci5: command 0x0419 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:17547] Modules linked in: irq event stamp: 3205461 hardirqs last enabled at (3205460): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3205461): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3186756): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3186759): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3186759): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 17547 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111 Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df RSP: 0018:ffff8880ba1074a8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff8880539e6080 RBX: 0000000000000503 RCX: ffffffff83771e23 RDX: 0000000000000100 RSI: ffffffff83771e2c RDI: 0000000000000005 RBP: ffffffff88b3e120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff88b3e0e0 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f641b58e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ce1645ff8 CR3: 0000000009e6d000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_preemption_disabled+0x3c/0x280 lib/smp_processor_id.c:25 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock_sched_held+0xc6/0x1d0 kernel/rcu/update.c:113 trace_netif_rx_entry include/trace/events/net.h:233 [inline] netif_rx+0x242/0x2c0 net/core/dev.c:4514 veth_forward_skb drivers/net/veth.c:176 [inline] veth_xmit+0x1eb/0x800 drivers/net/veth.c:203 __netdev_start_xmit include/linux/netdevice.h:4349 [inline] netdev_start_xmit include/linux/netdevice.h:4363 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 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:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline] RIP: 0010:protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline] RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:198 [inline] RIP: 0010:_vm_normal_page+0x185/0x510 mm/memory.c:834 Code: c4 70 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 d0 01 d7 ff 48 89 d8 31 ff 83 e0 01 48 89 c6 48 89 44 24 08 e8 4b 03 d7 ff <48> 8b 44 24 08 48 85 c0 75 08 e8 ac 01 d7 ff 48 f7 d3 e8 a4 01 d7 RSP: 0018:ffff8880383076c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 8000000091e03007 RCX: ffffffff818b83b5 RDX: 0000000000000001 RSI: ffff8880539e6080 RDI: 0000000000000007 RBP: 1ffff11007060edb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 8000000091e03007 R13: ffff888055ce9b98 R14: 00007f641bfea000 R15: ffff8880383076f8 zap_pte_range mm/memory.c:1323 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x1141/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 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: 0033:0x7f641cc190e9 Code: Bad RIP value. RSP: 002b:00007f641b58e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 0000000000000070 RBX: 00007f641cd2bf60 RCX: 00007f641cc190e9 RDX: 0400000000000070 RSI: 0000000020007fc0 RDI: 0000000000000004 RBP: 00007f641cc7308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7857762f R14: 00007f641b58e300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 13 00 adc (%rax),%eax 2: 00 83 fa 02 75 20 add %al,0x207502fa(%rbx) 8: 48 8b 88 68 13 00 00 mov 0x1368(%rax),%rcx f: 8b 80 64 13 00 00 mov 0x1364(%rax),%eax 15: 48 8b 11 mov (%rcx),%rdx 18: 48 83 c2 01 add $0x1,%rdx 1c: 48 39 d0 cmp %rdx,%rax 1f: 76 07 jbe 0x28 21: 48 89 34 d1 mov %rsi,(%rcx,%rdx,8) 25: 48 89 11 mov %rdx,(%rcx) * 28: c3 retq <-- trapping instruction 29: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 30: 00 31: 49 89 f1 mov %rsi,%r9 34: 49 89 fa mov %rdi,%r10 37: 65 gs 38: 48 rex.W 39: 8b .byte 0x8b 3a: 34 25 xor $0x25,%al 3c: c0 .byte 0xc0 3d: df .byte 0xdf