syz-executor.5 (15801) used greatest stack depth: 23968 bytes left Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:15793] Modules linked in: irq event stamp: 4772943 hardirqs last enabled at (4772942): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4772943): [<ffffffff843e931f>] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4729200): [<ffffffff8118087b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4729205): [<ffffffff8118087b>] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 15793 Comm: syz-executor.6 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x126/0x2130 Code: f6 84 24 88 00 00 00 03 0f 85 b7 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 66 41 4c 89 e2 48 c1 ea 03 0f b6 04 02 4c 89 e2 <83> e2 07 38 d0 7f 08 84 c0 0f 85 dd 07 00 00 48 89 e9 41 0f b6 46 RSP: 0018:ffff88806cf097f0 EFLAGS: 00000212 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 1ffffffff0f37ef8 RDX: ffff88806cf098b1 RSI: ffffffff817cc665 RDI: 0000000000000001 RBP: ffff88806cf098c8 R08: ffffffff860f16a2 R09: ffffffff860f16a6 R10: ffffed100d9e131b R11: ffff88806cf098b0 R12: ffff88806cf098b1 R13: ffff88806cf098d0 R14: ffff88806cf09870 R15: ffff888008441c80 FS: 00007f7d5c7c4700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56eab31018 CR3: 0000000010278000 CR4: 0000000000350ee0 Call Trace: <IRQ> arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xcf/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 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 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x32/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 26 29 eb fc 48 89 ef e8 3e a0 eb fc 80 e7 02 74 06 e8 24 41 0f fd fb bf 01 00 00 00 <e8> 09 fd e0 fc 65 8b 05 da d8 c2 7b 85 c0 74 07 5b 5d e9 4b 29 00 RSP: 0018:ffff88803f7e78c0 EFLAGS: 00000202 RAX: 0000000000482973 RBX: 0000000000000287 RCX: ffffffff812b3b2f RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffffff856d1620 R08: 0000000000000001 R09: ffffffff876328ef R10: fffffbfff0ec651d R11: 0000000000000001 R12: 0000000000000287 R13: ffff888014568508 R14: ffffea000058a900 R15: ffff888008441780 kmemleak_free+0x18a/0x200 __kmem_cache_free+0x95/0x410 __free_slab+0x73/0x100 __unfreeze_partials+0x130/0x150 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc40 kmem_cache_alloc_bulk+0x41a/0x780 mas_alloc_nodes+0x2ff/0x800 mas_preallocate+0x1bf/0x370 mmap_region+0x769/0x1c20 do_mmap+0x82c/0xf50 ioctx_alloc+0x838/0x1eb0 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f7d5f24eb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7d5c7c4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f7d5f361f60 RCX: 00007f7d5f24eb19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007f7d5f2a8f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd203210f R14: 00007f7d5c7c4300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 Bluetooth: hci1: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: f6 84 24 88 00 00 00 testb $0x3,0x88(%rsp) 7: 03 8: 0f 85 b7 02 00 00 jne 0x2c5 e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 4d 8d 66 41 lea 0x41(%r14),%r12 1c: 4c 89 e2 mov %r12,%rdx 1f: 48 c1 ea 03 shr $0x3,%rdx 23: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 27: 4c 89 e2 mov %r12,%rdx * 2a: 83 e2 07 and $0x7,%edx <-- trapping instruction 2d: 38 d0 cmp %dl,%al 2f: 7f 08 jg 0x39 31: 84 c0 test %al,%al 33: 0f 85 dd 07 00 00 jne 0x816 39: 48 89 e9 mov %rbp,%rcx 3c: 41 rex.B 3d: 0f .byte 0xf 3e: b6 46 mov $0x46,%dh