------------[ cut here ]------------
WARNING: CPU: 0 PID: 8574 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156
Modules linked in:
CPU: 0 UID: 0 PID: 8574 Comm: fido_id Not tainted 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156
Code: 0f 0b 90 e9 12 fe ff ff e8 69 c0 b5 f7 90 0f 0b 90 e9 5e fe ff ff e8 5b c0 b5 f7 90 0f 0b 90 e9 94 fe ff ff e8 4d c0 b5 f7 90 <0f> 0b 90 e9 d3 fe ff ff e8 af 9b 1c f8 e9 d7 fc ff ff 4c 89 ff e8
RSP: 0018:ffffc90000007d90 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888032b25e80 RCX: ffffffff8a063597
RDX: ffff8880275fa440 RSI: ffffffff8a0636c3 RDI: 0000000000000005
RBP: 0000000000000fff R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000fff R11: 0000000000000001 R12: ffff888032b25e80
R13: ffff888032b25f10 R14: ffffc90000007e90 R15: 0000000000000003
FS:  0000000000000000(0000) GS:ffff888124716000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8130536000 CR3: 00000000370a6000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __sk_destruct+0x81/0x980 net/core/sock.c:2347
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core+0x79c/0x14e0 kernel/rcu/tree.c:2832
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:write_comp_data+0x3/0x90 kernel/kcov.c:240
Code: ab af 14 12 48 8b 80 30 16 00 00 c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 <49> 89 f8 49 89 f1 65 48 8b 15 77 af 14 12 65 8b 05 88 af 14 12 a9
RSP: 0018:ffffc900035973d0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88801b874640 RCX: ffffffff8b7fdda5
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff888074a73dc0 R08: 0000000000000005 R09: 0000000000000005
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000000c R14: 0000000000000001 R15: 0000000000000000
 mt_slot lib/maple_tree.c:800 [inline]
 mas_slot lib/maple_tree.c:833 [inline]
 mt_validate_nulls+0x545/0x9e0 lib/maple_tree.c:7545
 mt_validate+0x30d8/0x4210 lib/maple_tree.c:7600
 validate_mm+0xb0/0x570 mm/vma.c:648
 vms_complete_munmap_vmas+0x602/0x970 mm/vma.c:1291
 __mmap_complete mm/vma.c:2519 [inline]
 __mmap_region+0x8e7/0x25e0 mm/vma.c:2630
 mmap_region+0x1ab/0x3f0 mm/vma.c:2692
 do_mmap+0xa3e/0x1210 mm/mmap.c:561
 vm_mmap_pgoff+0x281/0x450 mm/util.c:579
 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:607
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8130561242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007fff58d96488 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f81304a1000 RCX: 00007f8130561242
RDX: 0000000000000001 RSI: 0000000000005000 RDI: 00007f81304a1000
RBP: 0000000000000812 R08: 0000000000000003 R09: 0000000000013000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff58d96510
R13: 00007f8130535b20 R14: 00007fff58d968c0 R15: 00000fffeb1b2c94
 </TASK>
----------------
Code disassembly (best guess):
   0:	ab                   	stos   %eax,%es:(%rdi)
   1:	af                   	scas   %es:(%rdi),%eax
   2:	14 12                	adc    $0x12,%al
   4:	48 8b 80 30 16 00 00 	mov    0x1630(%rax),%rax
   b:	c3                   	ret
   c:	cc                   	int3
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	49 89 d2             	mov    %rdx,%r10
* 2a:	49 89 f8             	mov    %rdi,%r8 <-- trapping instruction
  2d:	49 89 f1             	mov    %rsi,%r9
  30:	65 48 8b 15 77 af 14 	mov    %gs:0x1214af77(%rip),%rdx        # 0x1214afaf
  37:	12
  38:	65 8b 05 88 af 14 12 	mov    %gs:0x1214af88(%rip),%eax        # 0x1214afc7
  3f:	a9                   	.byte 0xa9