watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.7:4833]
Modules linked in:
irq event stamp: 4659135
hardirqs last  enabled at (4659134): [<ffffffff841e5df8>] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (4659135): [<ffffffff841c4f1b>] sysvec_apic_timer_interrupt+0xb/0xc0
softirqs last  enabled at (4632488): [<ffffffff81169e4b>] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (4632491): [<ffffffff81169e4b>] __irq_exit_rcu+0x11b/0x180
CPU: 0 PID: 4833 Comm: syz-executor.7 Not tainted 5.19.0-rc6-next-20220714 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:_raw_spin_unlock_irqrestore+0x2e/0x60
Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 24 0b fd 48 89 ef e8 b2 a6 0b fd 80 e7 02 74 06 e8 78 84 2d fd fb bf 01 00 00 00 <e8> cd 73 01 fd 65 8b 05 76 10 e4 7b 85 c0 74 07 5b 5d e9 2b dc 21
RSP: 0018:ffff88806ce09e00 EFLAGS: 00000206
RAX: 00000000004717be RBX: 0000000000000282 RCX: ffffffff8128e51f
RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000001
RBP: ffff88806ce2a640 R08: 0000000000000001 R09: ffffffff86a937ef
R10: fffffbfff0d526fd R11: 0000000000000001 R12: ffff88806ce2a640
R13: ffff88806ce2a8c0 R14: dffffc0000000000 R15: ffff88806ce2a640
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcf0f333718 CR3: 0000000043bce000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 __hrtimer_run_queues+0x51f/0xbd0
 hrtimer_run_softirq+0x172/0x340
 __do_softirq+0x1c8/0x8d0
 __irq_exit_rcu+0x11b/0x180
 irq_exit_rcu+0x5/0x20
 sysvec_apic_timer_interrupt+0x8e/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:preempt_schedule_common+0x2a/0xc0
Code: 41 55 41 54 49 bc 00 00 00 00 00 fc ff df 55 53 65 48 8b 1c 25 c0 6e 02 00 48 89 dd 48 c1 ed 03 4c 01 e5 65 ff 05 46 6a e5 7b <65> 8b 05 3f 6a e5 7b 25 ff ff ff 7f 83 f8 01 74 36 bf 01 00 00 00
RSP: 0018:ffff88803bb2f638 EFLAGS: 00000202
RAX: 0000000000004008 RBX: ffff888044551ac0 RCX: ffffffff841d0469
RDX: ffffed10088aa359 RSI: 0000000000000008 RDI: ffff888044551ac0
RBP: ffffed10088aa358 R08: 0000000000000000 R09: ffff888044551ac7
R10: ffffed10088aa358 R11: 0000000000000001 R12: dffffc0000000000
R13: ffffffff841d0507 R14: 00007ff13a400000 R15: dffffc0000000000
 __cond_resched+0x17/0x30
 unmap_page_range+0x1037/0x2720
 unmap_single_vma+0x190/0x350
 unmap_vmas+0x21e/0x370
 exit_mmap+0x154/0x680
 mmput+0xd1/0x390
 do_exit+0x9e0/0x27a0
 do_group_exit+0xd2/0x2f0
 get_signal+0x2205/0x24b0
 arch_do_signal_or_restart+0x89/0x1be0
 exit_to_user_mode_prepare+0x131/0x1a0
 syscall_exit_to_user_mode+0x19/0x40
 do_syscall_64+0x48/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff13c63ab19
Code: Unable to access opcode bytes at RIP 0x7ff13c63aaef.
RSP: 002b:00007ff139bb0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000016
RAX: 0000000000000000 RBX: 00007ff13c74df60 RCX: 00007ff13c63ab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340
RBP: 00007ff13c694f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff6c001fcf R14: 00007ff139bb0300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
----------------
Code disassembly (best guess):
   0:	48 83 c7 18          	add    $0x18,%rdi
   4:	53                   	push   %rbx
   5:	48 89 f3             	mov    %rsi,%rbx
   8:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   d:	e8 ca 24 0b fd       	callq  0xfd0b24dc
  12:	48 89 ef             	mov    %rbp,%rdi
  15:	e8 b2 a6 0b fd       	callq  0xfd0ba6cc
  1a:	80 e7 02             	and    $0x2,%bh
  1d:	74 06                	je     0x25
  1f:	e8 78 84 2d fd       	callq  0xfd2d849c
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 cd 73 01 fd       	callq  0xfd0173fc <-- trapping instruction
  2f:	65 8b 05 76 10 e4 7b 	mov    %gs:0x7be41076(%rip),%eax        # 0x7be410ac
  36:	85 c0                	test   %eax,%eax
  38:	74 07                	je     0x41
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	2b dc                	sub    %esp,%ebx
  3f:	21                   	.byte 0x21