------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62b/0x740 net/ipv4/af_inet.c:162, CPU#1: syz-executor/19469
Modules linked in:
CPU: 1 UID: 0 PID: 19469 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:inet_sock_destruct+0x62b/0x740 net/ipv4/af_inet.c:162
Code: 0f 0b 90 e9 58 fe ff ff e8 72 57 7a f7 90 0f 0b 90 e9 8b fe ff ff e8 64 57 7a f7 90 0f 0b 90 e9 b1 fe ff ff e8 56 57 7a f7 90 <0f> 0b 90 e9 d7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 95 fc
RSP: 0018:ffffc90000a08d28 EFLAGS: 00010246
RAX: ffffffff8a4c1aea RBX: dffffc0000000000 RCX: ffff888025381f00
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff888057c868a7 R09: 1ffff1100af90d14
R10: dffffc0000000000 R11: ffffed100af90d15 R12: ffff888057c86600
R13: dffffc0000000000 R14: ffff888057c8688c R15: ffffffff9010d5c0
FS:  00005555687d6500(0000) GS:ffff88812505e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63445aeac0 CR3: 000000007a080000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __sk_destruct+0x89/0x9d0 net/core/sock.c:2357
 rcu_do_batch kernel/rcu/tree.c:2645 [inline]
 rcu_core+0x78b/0x10a0 kernel/rcu/tree.c:2897
 handle_softirqs+0x225/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__is_kernel_text kernel/extable.c:95 [inline]
RIP: 0010:is_kernel_text include/linux/kallsyms.h:29 [inline]
RIP: 0010:core_kernel_text kernel/extable.c:68 [inline]
RIP: 0010:kernel_text_address+0x7/0xe0 kernel/extable.c:99
Code: 91 0f 92 c2 20 ca 08 c2 0f b6 c2 5b c3 cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 55 41 56 <53> 48 81 ff 00 00 00 81 0f 93 c0 48 81 ff 58 e3 d2 8b 0f 92 c1 bd
RSP: 0018:ffffc90003cc7480 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8245dec8 RCX: 0000000000000046
RDX: 0000000000000002 RSI: ffffffff8e4b068c RDI: ffffffff8245dec8
RBP: ffffc90003cc7550 R08: ffffc90003cc7e90 R09: 0000000000000000
R10: ffffc90003cc7518 R11: fffff52000798ea5 R12: ffff888025381f00
R13: 0000000000000001 R14: dffffc0000000000 R15: 1ffff92000798ea2
 __kernel_text_address+0xd/0x30 kernel/extable.c:79
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385
 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:340 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4612 [inline]
 slab_alloc_node mm/slub.c:4945 [inline]
 kmem_cache_alloc_lru_noprof+0x2aa/0x5f0 mm/slub.c:4978
 proc_alloc_inode+0x2a/0xc0 fs/proc/inode.c:57
 alloc_inode+0x6a/0x1b0 fs/inode.c:338
 new_inode+0x1f/0x170 fs/inode.c:1174
 proc_pid_make_inode+0x21/0x130 fs/proc/base.c:1932
 proc_pident_instantiate+0x6d/0x2a0 fs/proc/base.c:2667
 proc_pident_lookup+0x1b7/0x270 fs/proc/base.c:2702
 lookup_open fs/namei.c:4481 [inline]
 open_last_lookups fs/namei.c:4608 [inline]
 path_openat+0x111f/0x3830 fs/namei.c:4860
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f634455e68e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffe71610098 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005555687d6500 RCX: 00007f634455e68e
RDX: 0000000000080001 RSI: 00007f6344634e04 RDI: ffffffffffffff9c
RBP: 00007f6344634e04 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007ffe71610170 R14: 00000000000815a5 R15: 00007ffe716106e0
 </TASK>
----------------
Code disassembly (best guess):
   0:	91                   	xchg   %eax,%ecx
   1:	0f 92 c2             	setb   %dl
   4:	20 ca                	and    %cl,%dl
   6:	08 c2                	or     %al,%dl
   8:	0f b6 c2             	movzbl %dl,%eax
   b:	5b                   	pop    %rbx
   c:	c3                   	ret
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	cc                   	int3
  11:	cc                   	int3
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  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:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  27:	55                   	push   %rbp
  28:	41 56                	push   %r14
* 2a:	53                   	push   %rbx <-- trapping instruction
  2b:	48 81 ff 00 00 00 81 	cmp    $0xffffffff81000000,%rdi
  32:	0f 93 c0             	setae  %al
  35:	48 81 ff 58 e3 d2 8b 	cmp    $0xffffffff8bd2e358,%rdi
  3c:	0f 92 c1             	setb   %cl
  3f:	bd                   	.byte 0xbd