------------[ cut here ]------------
sk->sk_forward_alloc
WARNING: net/ipv4/af_inet.c:163 at inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:163, CPU#0: syz.0.4610/22084
Modules linked in:
CPU: 0 UID: 0 PID: 22084 Comm: syz.0.4610 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:163
Code: 0f 0b 90 e9 58 fe ff ff e8 40 c5 9f f7 90 0f 0b 90 e9 8b fe ff ff e8 32 c5 9f f7 90 0f 0b 90 e9 b1 fe ff ff e8 24 c5 9f 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:ffffc90000007d48 EFLAGS: 00010246
RAX: ffffffff8a25e94c RBX: dffffc0000000000 RCX: ffff888055a4db80
RDX: 0000000000000100 RSI: 0000000000000f70 RDI: 0000000000000000
RBP: 0000000000000f70 R08: ffff8880443979a7 R09: 1ffff11008872f34
R10: dffffc0000000000 R11: ffffed1008872f35 R12: ffff888044397700
R13: dffffc0000000000 R14: ffff88804439798c R15: ffffffff8fcac5c0
FS:  00007f87087a96c0(0000) GS:ffff88812545a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff3a3e9570 CR3: 0000000045b90000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __sk_destruct+0x85/0x880 net/core/sock.c:2350
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:console_flush_one_record arch/x86/include/asm/irqflags.h:-1 [inline]
RIP: 0010:console_flush_all+0x801/0xb20 kernel/printk/printk.c:3343
Code: ff ff e8 e2 fc 20 00 90 0f 0b 90 e9 85 fc ff ff e8 d4 fc 20 00 e8 ef 60 0a 0a 48 85 db 74 c0 e8 c5 fc 20 00 fb 48 8b 5c 24 08 <48> 8b 44 24 20 42 80 3c 20 00 4c 8b 74 24 18 74 08 4c 89 f7 e8 46
RSP: 0018:ffffc9000fa96680 EFLAGS: 00000293
RAX: ffffffff81a4b1ab RBX: ffffc9000fa967e0 RCX: ffff888055a4db80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000fa96790 R08: ffffffff9011beb7 R09: 1ffffffff20237d6
R10: dffffc0000000000 R11: fffffbfff20237d7 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff8f00bba0
 __console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
 console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
 vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
 _printk+0xdd/0x130 kernel/printk/printk.c:2504
 netdev_info+0x11e/0x180 net/core/dev.c:13001
 bond_uninit+0x174/0x2d0 drivers/net/bonding/bond_main.c:6060
 unregister_netdevice_many_notify+0x1d16/0x2370 net/core/dev.c:12447
 unregister_netdevice_many net/core/dev.c:12489 [inline]
 unregister_netdevice_queue+0x31f/0x360 net/core/dev.c:12303
 unregister_netdevice include/linux/netdevice.h:3409 [inline]
 bond_newlink+0xad/0xd0 drivers/net/bonding/bond_netlink.c:611
 rtnl_newlink_create+0x329/0xb70 net/core/rtnetlink.c:3862
 __rtnl_newlink net/core/rtnetlink.c:3979 [inline]
 rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4094
 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6980
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2592
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2683 [inline]
 __se_sys_sendmsg net/socket.c:2681 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f870799c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f87087a9028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8707c15fa0 RCX: 00007f870799c799
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f8707a32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8707c16038 R14: 00007f8707c15fa0 R15: 00007ffd7c15c158
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	ff                   	ljmp   (bad)
   1:	e8 e2 fc 20 00       	call   0x20fce8
   6:	90                   	nop
   7:	0f 0b                	ud2
   9:	90                   	nop
   a:	e9 85 fc ff ff       	jmp    0xfffffc94
   f:	e8 d4 fc 20 00       	call   0x20fce8
  14:	e8 ef 60 0a 0a       	call   0xa0a6108
  19:	48 85 db             	test   %rbx,%rbx
  1c:	74 c0                	je     0xffffffde
  1e:	e8 c5 fc 20 00       	call   0x20fce8
  23:	fb                   	sti
  24:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
* 29:	48 8b 44 24 20       	mov    0x20(%rsp),%rax <-- trapping instruction
  2e:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  33:	4c 8b 74 24 18       	mov    0x18(%rsp),%r14
  38:	74 08                	je     0x42
  3a:	4c 89 f7             	mov    %r14,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	46                   	rex.RX