Bluetooth: hci2 command 0x0406 tx timeout Bluetooth: hci1 command 0x0406 tx timeout Bluetooth: hci3 command 0x0406 tx timeout Bluetooth: hci4 command 0x0406 tx timeout Bluetooth: hci5 command 0x0406 tx timeout INFO: rcu_sched detected stalls on CPUs/tasks: 0-...: (10479 ticks this GP) idle=936/140000000000001/0 softirq=29480/30105 fqs=3668 (detected by 1, t=10503 jiffies, g=3251, c=3250, q=30) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 13572 Comm: syz-executor.1 Not tainted 4.14.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880560b6140 task.stack: ffff88805a520000 RIP: 0010:__save_stack_trace+0xa3/0x160 arch/x86/kernel/stacktrace.c:45 RSP: 0018:ffff8880aea07478 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff8660008a RCX: 1ffff1100ac16d48 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000286 RBP: ffff8880aea074f8 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: ffff8880560b6140 R12: ffff8880aea07510 R13: 0000000000000000 R14: ffff88812fe50ac0 R15: 0000000000000280 FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ebb305038 CR3: 0000000007c6a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3696 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0x96/0x510 net/core/skbuff.c:205 __pskb_copy_fclone+0x100/0xc90 net/core/skbuff.c:1386 __pskb_copy include/linux/skbuff.h:1034 [inline] pskb_copy include/linux/skbuff.h:2895 [inline] nf_dup_ipv4 net/ipv4/netfilter/nf_dup_ipv4.c:65 [inline] nf_dup_ipv4+0x105/0x680 net/ipv4/netfilter/nf_dup_ipv4.c:53 tee_tg4+0x109/0x160 net/netfilter/xt_TEE.c:36 ipt_do_table+0xa9a/0x16f0 net/ipv4/netfilter/ip_tables.c:353 iptable_raw_hook+0x172/0x1e0 net/ipv4/netfilter/iptable_raw.c:35 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline] nf_hook_slow+0xb0/0x1a0 net/netfilter/core.c:467 nf_hook include/linux/netfilter.h:205 [inline] NF_HOOK include/linux/netfilter.h:248 [inline] ip_rcv+0xa8c/0xf01 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x15ee/0x2a30 net/core/dev.c:4474 __netif_receive_skb+0x27/0x1a0 net/core/dev.c:4512 process_backlog+0x210/0x6f0 net/core/dev.c:5194 napi_poll net/core/dev.c:5596 [inline] net_rx_action+0x466/0xfd0 net/core/dev.c:5662 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:compound_head include/linux/page-flags.h:150 [inline] RIP: 0010:PageMlocked include/linux/page-flags.h:347 [inline] RIP: 0010:page_remove_rmap.part.0+0x122/0x190 mm/rmap.c:1312 RSP: 0018:ffff88805a527770 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffffea00017dd400 RCX: ffff88805a5279d0 RDX: 1ffffd40002fba84 RSI: ffffffff86b0d620 RDI: ffffffff86e46340 RBP: ffffea00017dd400 R08: ffffffff8a092270 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00017dd420 R13: ffffea00017d8001 R14: 0000000001151000 R15: 0000000000000001 page_remove_rmap+0x7b/0xe0 mm/rmap.c:1298 zap_pte_range mm/memory.c:1342 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xf3f/0x1ce0 mm/memory.c:1515 unmap_single_vma+0x147/0x2b0 mm/memory.c:1560 unmap_vmas+0x9d/0x160 mm/memory.c:1590 exit_mmap+0x270/0x4d0 mm/mmap.c:3056 __mmput kernel/fork.c:930 [inline] mmput kernel/fork.c:951 [inline] mmput+0xfa/0x420 kernel/fork.c:946 exit_mm kernel/exit.c:545 [inline] do_exit+0x948/0x27f0 kernel/exit.c:852 do_group_exit+0x100/0x2e0 kernel/exit.c:962 get_signal+0x38d/0x1ca0 kernel/signal.c:2423 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45dd99 RSP: 002b:00007fcc7e95ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000003 RBX: 0000000000024cc0 RCX: 000000000045dd99 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000640 RBP: 000000000118c018 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffcaa4b342f R14: 00007fcc7e95f9c0 R15: 000000000118bfd4 Code: 8b 54 24 08 8d 48 01 41 89 0c 24 48 89 1c c2 48 8d 7d 90 e8 10 3a 06 00 8b 45 90 85 c0 74 37 48 8d 7d 90 e8 c0 37 06 00 48 85 c0 <48> 89 c3 74 26 45 84 ed 75 4b 41 8b 44 24 10 85 c0 7e b6 48 8d