------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/ipv4/tcp_input.c:2132 tcp_timeout_mark_lost net/ipv4/tcp_input.c:2132 [inline]
WARNING: CPU: 0 PID: 0 at net/ipv4/tcp_input.c:2132 tcp_enter_loss+0xdb2/0x1050 net/ipv4/tcp_input.c:2145
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-syzkaller-11908-g7ebfc85e2cd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:tcp_timeout_mark_lost net/ipv4/tcp_input.c:2132 [inline]
RIP: 0010:tcp_enter_loss+0xdb2/0x1050 net/ipv4/tcp_input.c:2145
Code: 00 00 89 ab 48 09 00 00 e9 b6 fc ff ff 48 8d 83 c8 0a 00 00 48 89 44 24 08 4c 8d b3 64 08 00 00 e9 ea f7 ff ff e8 be 2c 9d f9 <0f> 0b e9 b1 f6 ff ff e8 b2 2c 9d f9 0f 0b e9 7c fb ff ff e8 f6 83
RSP: 0018:ffffc90000007ac8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88804ef18000 RCX: 0000000000000100
RDX: ffffffff8bcbc980 RSI: ffffffff87deda52 RDI: 0000000000000004
RBP: 0000000000000009 R08: 0000000000000004 R09: 0000000000000011
R10: 0000000000000009 R11: 0000000000000001 R12: 0000000000000011
R13: 0000000000000008 R14: 0000000000000001 R15: 0000000000000009
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f257cfc8718 CR3: 000000004e9da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 tcp_retransmit_timer+0x25a3/0x33d0 net/ipv4/tcp_timer.c:503
 tcp_write_timer_handler net/ipv4/tcp_timer.c:620 [inline]
 tcp_write_timer_handler+0x4de/0x9f0 net/ipv4/tcp_timer.c:594
 tcp_write_timer+0xa2/0x2b0 net/ipv4/tcp_timer.c:637
 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790
 __run_timers kernel/time/timer.c:1768 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
 __do_softirq+0x1d3/0x9c6 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt+0x6f/0xb0 drivers/acpi/processor_idle.c:113
Code: f7 84 db 74 06 5b e9 20 22 fa f7 e8 1b 22 fa f7 e8 46 99 00 f8 66 90 e8 0f 22 fa f7 0f 00 2d 58 cf d2 00 e8 03 22 fa f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 ce 1e fa f7 48 85 db
RSP: 0018:ffffffff8bc07d38 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8bcbc980 RSI: ffffffff8981e50d RDI: 0000000000000000
RBP: ffff888011ba9064 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000001 R14: ffff888011ba9000 R15: ffff88801bc7a004
 acpi_idle_do_entry drivers/acpi/processor_idle.c:555 [inline]
 acpi_idle_enter+0x524/0x6a0 drivers/acpi/processor_idle.c:692
 cpuidle_enter_state+0x1ab/0xd30 drivers/cpuidle/cpuidle.c:239
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:356
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x3e8/0x590 kernel/sched/idle.c:303
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
 rest_init+0x169/0x270 init/main.c:727
 arch_call_rest_init+0xf/0x14 init/main.c:883
 start_kernel+0x46e/0x48f init/main.c:1138
 secondary_startup_64_no_verify+0xce/0xdb
 </TASK>
----------------
Code disassembly (best guess):
   0:	f7 84 db 74 06 5b e9 	testl  $0xf7fa2220,-0x16a4f98c(%rbx,%rbx,8)
   7:	20 22 fa f7
   b:	e8 1b 22 fa f7       	callq  0xf7fa222b
  10:	e8 46 99 00 f8       	callq  0xf800995b
  15:	66 90                	xchg   %ax,%ax
  17:	e8 0f 22 fa f7       	callq  0xf7fa222b
  1c:	0f 00 2d 58 cf d2 00 	verw   0xd2cf58(%rip)        # 0xd2cf7b
  23:	e8 03 22 fa f7       	callq  0xf7fa222b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	9c                   	pushfq <-- trapping instruction
  2b:	5b                   	pop    %rbx
  2c:	81 e3 00 02 00 00    	and    $0x200,%ebx
  32:	fa                   	cli
  33:	31 ff                	xor    %edi,%edi
  35:	48 89 de             	mov    %rbx,%rsi
  38:	e8 ce 1e fa f7       	callq  0xf7fa1f0b
  3d:	48 85 db             	test   %rbx,%rbx