------------[ cut here ]------------
WARNING: CPU: 0 PID: 5848 at net/ipv4/route.c:1254 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Modules linked in:
CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 6b 61 72 f7 66 90 e8 64 61 72 f7 31 ff 48 89 de ba 02 00 00 00 e8 b5 44 6a ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 0f 1e
RSP: 0018:ffffc90000007680 EFLAGS: 00010286
RAX: 007827af9c7a4f00 RBX: ffff8880300f9280 RCX: ffffffff8170cfaa
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c610de0
RBP: 0000000000000001 R08: ffffffff942e589f R09: ffffffff8a2288bb
R10: dffffc0000000000 R11: fffffbfff285cb14 R12: dffffc0000000000
R13: ffffc900000078f8 R14: ffff888063b68000 R15: ffff8881452b1b00
FS:  000055556ef25500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003000 CR3: 000000007bb5e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip_local_out net/ipv4/ip_output.c:130 [inline]
 ip_send_skb net/ipv4/ip_output.c:1505 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1525
 __icmp_send+0x1013/0x15c0 net/ipv4/icmp.c:779
 ipv4_send_dest_unreach net/ipv4/route.c:1234 [inline]
 ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1241
 dst_link_failure include/net/dst.h:429 [inline]
 arp_error_report+0x114/0x160 net/ipv4/arp.c:296
 neigh_invalidate+0x247/0x470 net/core/neighbour.c:1010
 neigh_timer_handler+0x8a5/0xfe0 net/core/neighbour.c:1097
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1794
 expire_timers kernel/time/timer.c:1845 [inline]
 __run_timers kernel/time/timer.c:2419 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430
 run_timer_base kernel/time/timer.c:2439 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea b5 9b f5 48 89 df e8 02 fc 9c f5 e8 7d e8 c7 f5 fb bf 01 00 00 00 <e8> 82 77 8e f5 65 8b 05 43 0d 2f 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc90003e4f6d8 EFLAGS: 00000286
RAX: 007827af9c7a4f00 RBX: ffff88805d501740 RCX: ffffffff8170cfaa
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001
RBP: 1ffff1100baa02e7 R08: ffffffff942e5817 R09: 1ffffffff285cb02
R10: dffffc0000000000 R11: fffffbfff285cb03 R12: ffffc90003e4f840
R13: ffffea0001e82c00 R14: ffffea0001e82c00 R15: ffff88805d501738
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 filemap_remove_folio+0x110/0x2e0 mm/filemap.c:266
 truncate_inode_folio+0x5d/0x70 mm/truncate.c:178
 shmem_undo_range+0x43c/0x1cf0 mm/shmem.c:1028
 shmem_truncate_range mm/shmem.c:1144 [inline]
 shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1274
 evict+0x4e8/0x9b0 fs/inode.c:725
 do_unlinkat+0x512/0x830 fs/namei.c:4540
 __do_sys_unlink fs/namei.c:4581 [inline]
 __se_sys_unlink fs/namei.c:4579 [inline]
 __x64_sys_unlink+0x47/0x50 fs/namei.c:4579
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde6e97dd07
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcbc141928 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde6e97dd07
RDX: 00007ffcbc141950 RSI: 00007ffcbc1419e0 RDI: 00007ffcbc1419e0
RBP: 00007ffcbc1419e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffcbc142a60
R13: 00007fde6e9f15fc R14: 000000000002358a R15: 00007ffcbc142aa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 ea b5 9b f5       	call   0xf59bb601
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 02 fc 9c f5       	call   0xf59cfc21
  1f:	e8 7d e8 c7 f5       	call   0xf5c7e8a1
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 82 77 8e f5       	call   0xf58e77b1 <-- trapping instruction
  2f:	65 8b 05 43 0d 2f 74 	mov    %gs:0x742f0d43(%rip),%eax        # 0x742f0d79
  36:	85 c0                	test   %eax,%eax
  38:	74 06                	je     0x40
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3