------------[ cut here ]------------
WARNING: CPU: 0 PID: 8676 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x64d/0x740
Modules linked in:
CPU: 0 PID: 8676 Comm: syz.4.1292 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:inet_sock_destruct+0x64d/0x740 net/ipv4/af_inet.c:157
Code: 01 e8 a7 01 9a f8 0f 0b e9 61 fe ff ff e8 9b 01 9a f8 0f 0b e9 96 fe ff ff e8 8f 01 9a f8 0f 0b e9 be fe ff ff e8 83 01 9a f8 <0f> 0b e9 e6 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff ff
RSP: 0018:ffffc90000007c28 EFLAGS: 00010246
RAX: ffffffff88e658ed RBX: 0000000000000100 RCX: ffff88801a9e1dc0
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff88e657cd R09: ffffed100e977b78
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074bbd940
R13: ffff888074bbde48 R14: dffffc0000000000 R15: ffff888074bbd952
FS:  00007f5b4b7fa6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200010e0 CR3: 00000000235cb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000001b DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x54/0x840 net/core/sock.c:1955
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 do_softirq+0x162/0x240 kernel/softirq.c:459
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:383
 ppp_write+0x291/0x390 drivers/net/ppp/ppp_generic.c:537
 do_iter_write+0x39c/0x760 fs/read_write.c:857
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x219/0x360 fs/read_write.c:1025
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5b4d381ff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b4b7fa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 00007f5b4d539f80 RCX: 00007f5b4d381ff9
RDX: 0000000000000004 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00007f5b4d3f4296 R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000f1 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5b4d539f80 R15: 00007ffdc4c59c08
 </TASK>