program:
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x1c, &(0x7f00000000c0)=[@in6={0xa, 0x0, 0x0, @private2}]}, &(0x7f0000000180)=0x10)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000100)=0x4, 0x4)
r1 = getpid()
r2 = syz_pidfd_open(r1, 0x0)
close_range(r2, 0xffffffffffffffff, 0x0)
syz_usb_connect(0x0, 0xb, &(0x7f00000010c0)=ANY=[], 0x0)
ioctl$BTRFS_IOC_ADD_DEV(r2, 0xc0085508, &(0x7f00000000c0)={{}, "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"})
r3 = openat$kvm(0x0, &(0x7f0000000040), 0x0, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0)
ioctl$KVM_SET_CPUID2(r5, 0x4048aecb, &(0x7f0000000240)={0x7, 0x0, [{0x7, 0xffffffff, 0x2dc43c0faeff3249, 0x0, 0x6, 0x6, 0x2}, {0x80000007, 0x4, 0x0, 0x8001, 0x27, 0x7, 0x7f}, {0x40000001, 0x8, 0x0, 0x3, 0x7fffffff, 0x5, 0xffff}, {0xb, 0xe5f, 0x1, 0x7, 0xdf4, 0x6, 0x7fffffff}, {0x80000000, 0x0, 0x5, 0x6, 0x80000000, 0x0, 0xffffffff}, {0xd, 0x2bb, 0x1, 0xd, 0x3, 0x7ff, 0xffffffff}, {0x80000008, 0x3bf, 0x0, 0xf9, 0xffffa15c, 0xa524, 0x7}]})
r6 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r6, &(0x7f0000000940)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000000)="d8000000100081046881f782db44b904021d080b01000000e8fe55a11800150006001400000000120800040043000000a80016000a00014006180d00036010fab94dcf5c0461c1d67f6f94007134cf6ee08000a0e408e8d8ef52a9d7c7c0b7a196e6f66112c88ac417898516277ce06bbace80177ccbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d0080000000000000b57a5025ccca9e00360db70100000040fad95667e006dcdf63951f215ce3bb14feb9f5588a63644caf1ce1bd6c769ad809d52a9ecbee", 0xd8}], 0x1}, 0x0)
[ 85.178118][ T5323] Bluetooth: hci0: command tx timeout
[ 85.336454][ T5345] netlink: 6 bytes leftover after parsing attributes in process `syz.0.0'.
[ 85.342589][ T5345] A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
[ 86.543326][ T10] cfg80211: failed to load regulatory.db
[ 87.257629][ T5323] Bluetooth: hci0: command tx timeout
[ 88.248525][ C0]
[ 88.249637][ C0] =============================
[ 88.251748][ C0] [ BUG: Invalid wait context ]
[ 88.253890][ C0] 6.16.0-rc6-syzkaller #0 Not tainted
[ 88.256218][ C0] -----------------------------
[ 88.258336][ C0] swapper/0/0 is trying to lock:
[ 88.260437][ C0] ffffc90001a27410 (&gpc->lock){....}-{3:3}, at: kvm_xen_set_evtchn_fast+0x1fb/0x9b0
[ 88.265095][ C0] other info that might help us debug this:
[ 88.267699][ C0] context-{2:2}
[ 88.269244][ C0] 1 lock held by swapper/0/0:
[ 88.271352][ C0] #0: ffffc90001a27960 (&kvm->srcu){.?.+}-{0:0}, at: kvm_xen_set_evtchn_fast+0x1c3/0x9b0
[ 88.275622][ C0] stack backtrace:
[ 88.277131][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(full)
[ 88.277143][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 88.277149][ C0] Call Trace:
[ 88.277154][ C0]
[ 88.277159][ C0] dump_stack_lvl+0x189/0x250
[ 88.277176][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.277188][ C0] ? __pfx__printk+0x10/0x10
[ 88.277201][ C0] ? print_lock_name+0xde/0x100
[ 88.277215][ C0] __lock_acquire+0xbcb/0xd20
[ 88.277232][ C0] ? kvm_xen_set_evtchn_fast+0x1fb/0x9b0
[ 88.277242][ C0] lock_acquire+0x120/0x360
[ 88.277250][ C0] ? kvm_xen_set_evtchn_fast+0x1fb/0x9b0
[ 88.277262][ C0] _raw_read_lock_irqsave+0xaf/0x100
[ 88.277333][ C0] ? kvm_xen_set_evtchn_fast+0x1fb/0x9b0
[ 88.277342][ C0] ? __pfx__raw_read_lock_irqsave+0x10/0x10
[ 88.277356][ C0] ? xa_load+0x1ea/0x210
[ 88.277367][ C0] kvm_xen_set_evtchn_fast+0x1fb/0x9b0
[ 88.277377][ C0] ? do_raw_spin_unlock+0x4d/0x240
[ 88.277391][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 88.277405][ C0] ? kvm_xen_set_evtchn_fast+0x1c3/0x9b0
[ 88.277415][ C0] xen_timer_callback+0x109/0x220
[ 88.277426][ C0] ? __pfx_xen_timer_callback+0x10/0x10
[ 88.277436][ C0] __hrtimer_run_queues+0x4e0/0xc60
[ 88.277481][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 88.277494][ C0] hrtimer_interrupt+0x45b/0xaa0
[ 88.277532][ C0] __sysvec_apic_timer_interrupt+0x108/0x410
[ 88.277544][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0
[ 88.277558][ C0]
[ 88.277562][ C0]
[ 88.277566][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 88.277577][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[ 88.277592][ C0] Code: d3 de 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 ed 18 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[ 88.277600][ C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c2
[ 88.277611][ C0] RAX: 5341cfb0480a8900 RBX: ffffffff81976a48 RCX: 5341cfb0480a8900
[ 88.277618][ C0] RDX: 0000000000000001 RSI: ffffffff8d998d37 RDI: ffffffff8be29d40
[ 88.277625][ C0] RBP: ffffffff8de07ea8 R08: ffff88801fc32f5b R09: 1ffff11003f865eb
[ 88.277632][ C0] R10: dffffc0000000000 R11: ffffed1003f865ec R12: ffffffff8fa1f5f0
[ 88.277639][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a50
[ 88.277646][ C0] ? do_idle+0x1e8/0x510
[ 88.277661][ C0] default_idle+0x13/0x20
[ 88.277672][ C0] default_idle_call+0x74/0xb0
[ 88.277683][ C0] do_idle+0x1e8/0x510
[ 88.277695][ C0] ? __pfx_do_idle+0x10/0x10
[ 88.277706][ C0] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.277721][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 88.277734][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 88.277749][ C0] cpu_startup_entry+0x44/0x60
[ 88.277759][ C0] rest_init+0x2de/0x300
[ 88.277777][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 88.277822][ C0] start_kernel+0x47d/0x500
[ 88.277843][ C0] x86_64_start_reservations+0x24/0x30
[ 88.277854][ C0] x86_64_start_kernel+0x143/0x1c0
[ 88.277864][ C0] common_startup_64+0x13e/0x147
[ 88.277881][ C0]
[ 88.959574][ T5345] syz.0.0 (5345) used greatest stack depth: 20888 bytes left