------------[ cut here ]------------
WARNING: CPU: 1 PID: 7137 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Modules linked in:
CPU: 1 PID: 7137 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Code: 01 e8 29 68 18 f9 0f 0b e9 64 fe ff ff e8 1d 68 18 f9 0f 0b e9 99 fe ff ff e8 11 68 18 f9 0f 0b e9 c1 fe ff ff e8 05 68 18 f9 <0f> 0b e9 e9 fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff
RSP: 0000:ffffc90000dd0b20 EFLAGS: 00010246
RAX: ffffffff885f640b RBX: dffffc0000000000 RCX: ffff88802914bb80
RDX: 0000000000000100 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000080000000 R08: dffffc0000000000 R09: ffffed1004682710
R10: ffffed1004682710 R11: 1ffff1100468270f R12: ffff888023413600
R13: ffff888023413600 R14: ffff888023413820 R15: 1ffff110046826c2
FS:  00007faa32e34c80(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa32f89ce0 CR3: 00000000795f3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x50/0x840 net/core/sock.c:1961
 sock_put include/net/sock.h:1976 [inline]
 sctp_endpoint_destroy_rcu+0x9d/0xe0 net/sctp/endpointola.c:193
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:PagePoisoned include/linux/page-flags.h:218 [inline]
RIP: 0010:PageLocked include/linux/page-flags.h:342 [inline]
RIP: 0010:unlock_page+0xa7/0x1f0 mm/filemap.c:1511
Code: db ff 41 f6 c7 01 0f 85 0e 01 00 00 e8 b2 ff da ff 49 89 df 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 39 68 1f 00 <4d> 8b 3f 48 c7 c7 ff ff ff ff 4c 89 fe e8 67 03 db ff 43 80 3c 2c
RSP: 0000:ffffc90002fefb08 EFLAGS: 00000246
RAX: 1ffffd400004f9b0 RBX: ffffea000027cd80 RCX: ffff88802914bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002fefcb0 R08: dffffc0000000000 R09: fffffbfff1ad26b6
R10: fffffbfff1ad26b6 R11: 1ffffffff1ad26b5 R12: 1ffffd400004f9b1
R13: dffffc0000000000 R14: ffffea000027cd88 R15: ffffea000027cd80
 filemap_map_pages+0xe86/0x1390 mm/filemap.c:3347
 do_fault_around mm/memory.c:4243 [inline]
 do_read_fault mm/memory.c:4258 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x257d/0x43b0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7faa32f89ce0
Code: Unable to access opcode bytes at RIP 0x7faa32f89cb6.
RSP: 002b:00007ffde2920638 EFLAGS: 00010206
RAX: 0000000000800000 RBX: 0000000000000001 RCX: 0000000000001180
RDX: fffffffffffff000 RSI: 0000000000001000 RDI: 0000000000800000
RBP: 00007ffde2920910 R08: 0000000000000040 R09: 000000000000000e
R10: 00007ffde2920640 R11: 0000000000000246 R12: fffffffffffffff8
R13: 00000058395bf72e R14: 0000000000000000 R15: 00007faa331d7310
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	ff 41 f6             	incl   -0xa(%rcx)
   3:	c7 01 0f 85 0e 01    	movl   $0x10e850f,(%rcx)
   9:	00 00                	add    %al,(%rax)
   b:	e8 b2 ff da ff       	call   0xffdaffc2
  10:	49 89 df             	mov    %rbx,%r15
  13:	4c 89 f8             	mov    %r15,%rax
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1f:	74 08                	je     0x29
  21:	4c 89 ff             	mov    %r15,%rdi
  24:	e8 39 68 1f 00       	call   0x1f6862
* 29:	4d 8b 3f             	mov    (%r15),%r15 <-- trapping instruction
  2c:	48 c7 c7 ff ff ff ff 	mov    $0xffffffffffffffff,%rdi
  33:	4c 89 fe             	mov    %r15,%rsi
  36:	e8 67 03 db ff       	call   0xffdb03a2
  3b:	43                   	rex.XB
  3c:	80                   	.byte 0x80
  3d:	3c 2c                	cmp    $0x2c,%al