------------[ cut here ]------------
WARNING: CPU: 3 PID: 6093 at arch/x86/mm/tlb.c:515 switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515
Modules linked in:
CPU: 3 PID: 6093 Comm: syz-executor.1 Not tainted 6.9.0-rc2-syzkaller-00080-gc85af715cac0 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515
Code: ff 44 8d 6b 02 48 63 d3 49 8d 8e 18 06 00 00 4d 63 ed 49 c1 e5 04 4d 8d 8d c0 d8 03 00 49 81 c5 c8 d8 03 00 e9 75 fd ff ff 90 <0f> 0b 90 e9 e3 f7 ff ff 90 0f 0b 90 e8 df f5 ff ff e9 20 f8 ff ff
RSP: 0018:ffffc90003f478c0 EFLAGS: 00010202
RAX: 0000000000000296 RBX: ffff888020030000 RCX: ffff88801d75cc00
RDX: 1ffff11003aeba5a RSI: ffffffff8b6f0fa0 RDI: ffffffff8b6f0fe0
RBP: ffff88801d75cc00 R08: 0000000000000001 R09: ffffed1004006000
R10: ffff888020030007 R11: 00000000000002d7 R12: ffff88802c53f500
R13: ffff888025118000 R14: ffff88801d75cc00 R15: ffff88802c53ea80
FS:  0000000000000000(0000) GS:ffff88802c500000(0063) knlGS:00000000f5f16b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000031523000 CR3: 000000004a488000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5393 [inline]
 __schedule+0xd2b/0x5d00 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6838
 futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
 __futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
 futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
 do_futex+0x22b/0x350 kernel/futex/syscalls.c:102
 __do_sys_futex_time32 kernel/futex/syscalls.c:509 [inline]
 __se_sys_futex_time32 kernel/futex/syscalls.c:492 [inline]
 __ia32_sys_futex_time32+0x1da/0x460 kernel/futex/syscalls.c:492
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x7a/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x7f/0x89
RIP: 0023:0xf731c579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5f1665c EFLAGS: 00000292 ORIG_RAX: 00000000000000f0
RAX: ffffffffffffffda RBX: 00000000f7498fc8 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7498fcc
RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi