watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.6:9652]
Modules linked in:
irq event stamp: 6634231
hardirqs last  enabled at (6634230): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6634231): [<ffffffff843f9adf>] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last  enabled at (6538716): [<ffffffff8118443b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (6538719): [<ffffffff8118443b>] __irq_exit_rcu+0x11b/0x180
CPU: 0 PID: 9652 Comm: syz-executor.6 Not tainted 6.1.0-rc8-next-20221206 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__orc_find+0x6f/0xf0
Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01
RSP: 0018:ffff88806ce09880 EFLAGS: 00000216
RAX: 1ffffffff0ba96fa RBX: ffffffff85d4b7d0 RCX: ffffffff810bad02
RDX: 0000000000000000 RSI: ffffffff860413ac RDI: ffffffff85d4b7c4
RBP: ffffffff85d4b7c4 R08: ffffffff860413ac R09: ffffffff8604f10e
R10: ffffed100d9c1340 R11: 0000000000038001 R12: ffffffff85d4b7dc
R13: ffffffff85d4b7c4 R14: ffffffff85d4b7c4 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bd31000 CR3: 0000000005426000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 unwind_next_frame+0x2b1/0x2130
 __unwind_start+0x513/0x7c0
 arch_stack_walk+0x63/0xf0
 stack_trace_save+0x90/0xd0
 __create_object+0x389/0xc10
 kmem_cache_alloc_node+0x283/0x420
 __alloc_skb+0x21a/0x310
 __netdev_alloc_skb+0x76/0x3e0
 __ieee80211_beacon_get+0x3d9/0x1310
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70
Code: 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 65 8b 05 7d 34 ba 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 00 01 ff 00 74 0e
RSP: 0018:ffff88804ae2f658 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88804738d040 RSI: ffffffff8177423d RDI: 0000000000000007
RBP: ffffea0000fd3100 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88801dafd010 R15: 00000000000001fe
 free_swap_cache+0x5d/0x3a0
 free_pages_and_swap_cache+0x60/0xa0
 tlb_batch_pages_flush+0xa8/0x1b0
 unmap_page_range+0x164b/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: 0033:0x7f3b9a6b5b19
Code: Unable to access opcode bytes at 0x7f3b9a6b5aef.
RSP: 002b:00007f3b97c2b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: 0000000000000000 RBX: 00007f3b9a7c8f60 RCX: 00007f3b9a6b5b19
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007f3b9a70ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000005f1 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef196992f R14: 00007f3b97c2b300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20
----------------
Code disassembly (best guess):
   0:	72 4d                	jb     0x4f
   2:	4c 89 e0             	mov    %r12,%rax
   5:	48 29 e8             	sub    %rbp,%rax
   8:	48 89 c2             	mov    %rax,%rdx
   b:	48 c1 e8 3f          	shr    $0x3f,%rax
   f:	48 c1 fa 02          	sar    $0x2,%rdx
  13:	48 01 d0             	add    %rdx,%rax
  16:	48 d1 f8             	sar    %rax
  19:	48 8d 5c 85 00       	lea    0x0(%rbp,%rax,4),%rbx
  1e:	48 89 d8             	mov    %rbx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 0f b6 14 38       	movzbl (%rax,%r15,1),%edx
* 2a:	48 89 d8             	mov    %rbx,%rax <-- trapping instruction
  2d:	83 e0 07             	and    $0x7,%eax
  30:	83 c0 03             	add    $0x3,%eax
  33:	38 d0                	cmp    %dl,%al
  35:	7c 04                	jl     0x3b
  37:	84 d2                	test   %dl,%dl
  39:	75 50                	jne    0x8b
  3b:	48 63 03             	movslq (%rbx),%rax
  3e:	48                   	rex.W
  3f:	01                   	.byte 0x1