Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.4:7243] Modules linked in: irq event stamp: 5286205 hardirqs last enabled at (5286204): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5286205): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5260982): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5260985): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 7243 Comm: syz-executor.4 Not tainted 6.1.0-rc5-next-20221121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:fs_reclaim_release+0x4/0x100 Code: 52 95 08 00 48 8b 14 24 e9 eb fd ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> b8 00 00 00 00 00 fc ff df 55 65 48 8b 2c 25 c0 86 03 00 53 89 RSP: 0018:ffff88806cf09a70 EFLAGS: 00000246 RAX: 000000000040054c RBX: 0000000000092820 RCX: 0000000000000820 RDX: 0000000000000000 RSI: 0000000000092820 RDI: 0000000000092820 RBP: ffff88802294b140 R08: 0000000000000000 R09: ffff8880193937a0 R10: ffff88806c7fd050 R11: 0000000000000001 R12: ffff88800844f780 R13: ffffffff8180356d R14: 0000000000092820 R15: 0000000000000170 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e22000 CR3: 0000000005426000 CR4: 0000000000350ee0 Call Trace: kmem_cache_alloc+0x47/0x410 __create_object+0x3d/0xc10 kmem_cache_alloc_node+0x282/0x420 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3de/0x1380 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:PageHuge+0x4/0x230 Code: e9 9e fe ff ff 48 89 ef e8 09 2b 04 00 e9 51 fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 55 41 54 55 53 48 89 fb e8 be 3c d0 ff be 08 00 00 00 48 89 df RSP: 0018:ffff888047827670 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880467ed040 RSI: ffffffff8172224f RDI: ffffea0000ca97c0 RBP: ffffea0000ca97c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888010adbea0 R13: ffff888047827ad8 R14: 0000000000000001 R15: dffffc0000000000 page_remove_rmap+0x37/0x620 tlb_flush_rmaps+0x165/0x200 unmap_page_range+0x1639/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f35669dab19 Code: Unable to access opcode bytes at 0x7f35669daaef. RSP: 002b:00007f3563f50188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffea RBX: 00007f3566aedf60 RCX: 00007f35669dab19 RDX: 0000000000000002 RSI: ffffffffffffffff RDI: 0000000020000100 RBP: 00007f3566a34f6d R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca9fdec5f R14: 00007f3563f50300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14 Comm: rcu_preempt Not tainted 6.1.0-rc5-next-20221121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:update_curr+0x379/0x740 Code: 00 48 8d bb 10 07 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5f 03 00 00 48 8b ab 10 07 00 00 <48> b8 00 00 00 00 00 fc ff df 48 8d bd 98 01 00 00 4c 8d ad 38 01 RSP: 0018:ffff888008e57a50 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff888008e41b40 RCX: 0000000000000001 RDX: 1ffff110011c844a RSI: 0000000000000002 RDI: ffff888008e42250 RBP: ffff888008d9d7c0 R08: 0000000000000000 R09: ffffffff85d10a57 R10: fffffbfff0ba214a R11: 0000000000000001 R12: 000000000000551f R13: ffff888008e41ac0 R14: ffff888008e41b90 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd8c9c92dd0 CR3: 000000001c136000 CR4: 0000000000350ef0 Call Trace: dequeue_task_fair+0x24c/0x1640 __schedule+0xe58/0x25d0 schedule+0xde/0x1b0 schedule_timeout+0x193/0x480 rcu_gp_fqs_loop+0x1c4/0xc50 rcu_gp_kthread+0x3c8/0x5a0 kthread+0x2f1/0x3a0 ret_from_fork+0x2c/0x50 Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 52 push %rdx 1: 95 xchg %eax,%ebp 2: 08 00 or %al,(%rax) 4: 48 8b 14 24 mov (%rsp),%rdx 8: e9 eb fd ff ff jmpq 0xfffffdf8 d: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 14: 00 00 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: f3 0f 1e fa endbr64 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 55 push %rbp 35: 65 48 8b 2c 25 c0 86 mov %gs:0x386c0,%rbp 3c: 03 00 3e: 53 push %rbx 3f: 89 .byte 0x89