watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.7:162805] Modules linked in: irq event stamp: 14161163 hardirqs last enabled at (14161162): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (14161163): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (14092634): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (14092637): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 162805 Comm: syz-executor.7 Not tainted 6.1.0-rc8-next-20221207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x4/0x20 Code: f2 48 89 fe bf 06 00 00 00 e9 b8 fe ff ff 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> 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 86 fe ff ff RSP: 0018:ffff88806ce09a48 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88803f544140 R08: 0000000000000005 R09: 0000000000000000 R10: 000000000000000f R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: 000000000000000f R15: ffff88803b3333c8 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c1c3d29c8 CR3: 000000001b96a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rate_control_send_low+0x3f5/0x630 rate_control_get_rate+0x18f/0x510 ieee80211_beacon_get_finish+0x43e/0x610 __ieee80211_beacon_get+0x536/0x1310 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:lock_is_held_type+0xfc/0x130 Code: 00 02 87 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 80 99 c2 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b6 41 02 00 45 31 ed eb RSP: 0018:ffff8880489b7698 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff85608540 R08: 0000000000000006 R09: 00007f6d767f0000 R10: 00007f6d767fd000 R11: 0000000000000001 R12: ffff888045a18000 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888045a18960 __might_resched+0x25/0x2d0 unmap_page_range+0xd78/0x2c10 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+0x21b7/0x22f0 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: 0033:0x7f6d766e5b19 Code: Unable to access opcode bytes at 0x7f6d766e5aef. RSP: 002b:00007f6d73c5b108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: 0000000000000007 RBX: 00007f6d767f8f60 RCX: 00007f6d766e5b19 RDX: 0000000020ffd000 RSI: 00000000200001c0 RDI: 0000000000000137 RBP: 00000000200001c0 R08: 0000000020000240 R09: 0000000020000240 R10: 0000000020000440 R11: 0000000000000202 R12: 0000000020000240 R13: 0000000020ffd000 R14: 0000000020000440 R15: 0000000020800000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci6: command 0x0409 tx timeout ---------------- Code disassembly (best guess): 0: f2 48 89 fe repnz mov %rdi,%rsi 4: bf 06 00 00 00 mov $0x6,%edi 9: e9 b8 fe ff ff jmpq 0xfffffec6 e: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 15: 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 8b 0c 24 mov (%rsp),%rcx <-- trapping instruction 2e: 40 0f b6 d6 movzbl %sil,%edx 32: 40 0f b6 f7 movzbl %dil,%esi 36: bf 01 00 00 00 mov $0x1,%edi 3b: e9 86 fe ff ff jmpq 0xfffffec6