Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.7:9836] Modules linked in: irq event stamp: 8048123 hardirqs last enabled at (8048122): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (8048123): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (7941000): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (7941003): [] irq_exit_rcu+0x11f/0x190 CPU: 0 PID: 9836 Comm: syz-executor.7 Not tainted 6.2.0-rc4-next-20230120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_stack_info_noinstr+0x4/0xf0 Code: c1 7b 00 5d 41 5c e9 ab 41 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <41> 54 49 89 fc 55 48 89 d5 53 48 89 f3 e8 ea 00 00 00 84 c0 75 0e RSP: 0018:ffff88806ce09708 EFLAGS: 00000286 RAX: dffffc0000000000 RBX: ffff888013fad040 RCX: ffff88806ce09808 RDX: ffff88806ce097e8 RSI: ffff888013fad040 RDI: ffff8880457a7650 RBP: ffff88806ce09808 R08: ffffffff864726a0 R09: ffffffff864726a4 R10: ffff88806ce09ff8 R11: ffff88806ce09828 R12: ffff88806ce097e8 R13: ffff88806ce02000 R14: ffff88806ce097e8 R15: ffffffff864726a5 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe927a2c018 CR3: 0000000005482000 CR4: 0000000000350ef0 Call Trace: get_stack_info+0x2f/0x90 stack_access_ok+0xd3/0x1d0 unwind_next_frame+0x94e/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 __kmem_cache_alloc_node+0x1ed/0x2f0 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0xdc6/0x2d90 Code: 48 85 db 0f 84 20 fd ff ff e8 c6 fb db ff 48 8d 43 08 48 89 44 24 50 48 c1 e8 03 42 80 3c 30 00 0f 85 1f 16 00 00 48 8b 6b 08 <31> ff 49 89 ec 41 83 e4 01 4c 89 e6 e8 f9 f7 db ff 4d 85 e4 0f 85 RSP: 0018:ffff8880457a7700 EFLAGS: 00000246 RAX: 1ffffd40001cb761 RBX: ffffea0000e5bb00 RCX: 0000000000000000 RDX: ffff888013fad040 RSI: ffffffff816d7d3a RDI: ffff8880457a7af0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 80000000396ec007 R13: ffff8880457a7ad8 R14: dffffc0000000000 R15: 00007f19d46dd000 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x225/0x370 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f19d4d65b19 Code: Unable to access opcode bytes at 0x7f19d4d65aef. RSP: 002b:00007f19d22db188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007f19d4e78f60 RCX: 00007f19d4d65b19 RDX: 00000000001010c2 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f19d4dbff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf33d790f R14: 00007f19d22db300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc4-next-20230120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc90 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 e6 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 fe 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a30 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8444ce4b RDX: fffffbfff0b491c1 RSI: 0000000000000004 RDI: ffffffff85a48e00 RBP: ffffffff85a48e00 R08: 0000000000000000 R09: ffffffff85a48e03 R10: fffffbfff0b491c0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b491c0 R14: 0000000000000001 R15: 1ffff1100d9e1347 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee76d06220 CR3: 000000000f0be000 CR4: 0000000000350ee0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 93 b6 3f 00 fb f4 e9 ef 23 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008dffe70 EFLAGS: 00000206 RAX: 000000000014f2c9 RBX: 0000000000000001 RCX: ffffffff8442b7d2 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888008d85040 R08: 0000000000000001 R09: ffff88806cf34f83 R10: ffffed100d9e69f0 R11: 0000000000000001 R12: ffffed10011b0a08 R13: ffffffff85d11250 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x30d/0x3e0 cpu_startup_entry+0x18/0x20 start_secondary+0x1cc/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: c1 7b 00 5d sarl $0x5d,0x0(%rbx) 4: 41 5c pop %r12 6: e9 ab 41 00 00 jmpq 0x41b6 b: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 12: 00 00 00 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 66 0f 1f 00 nopw (%rax) * 2a: 41 54 push %r12 <-- trapping instruction 2c: 49 89 fc mov %rdi,%r12 2f: 55 push %rbp 30: 48 89 d5 mov %rdx,%rbp 33: 53 push %rbx 34: 48 89 f3 mov %rsi,%rbx 37: e8 ea 00 00 00 callq 0x126 3c: 84 c0 test %al,%al 3e: 75 0e jne 0x4e