------------[ cut here ]------------
i == msg->sg.end && bytes
WARNING: ./include/linux/skmsg.h:152 at __sk_msg_free+0x1c2/0x350, CPU#1: syz.0.981/8788
Modules linked in:
CPU: 1 UID: 0 PID: 8788 Comm: syz.0.981 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__sk_msg_free+0x1c2/0x350
Code: 8b 14 24 0f 85 bf 00 00 00 44 03 7c 24 14 44 8b 22 45 85 e4 0f 84 d0 00 00 00 e8 79 de 19 f8 e9 e0 fe ff ff e8 6f de 19 f8 90 <0f> 0b 90 eb 9b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c e2 fe ff ff
RSP: 0018:ffffc9000359fa40 EFLAGS: 00010283
RAX: ffffffff89ac0161 RBX: ffff8881b18bf230 RCX: 0000000000080000
RDX: ffffc9000833a000 RSI: 0000000000006f33 RDI: 0000000000006f34
RBP: 0000000000000002 R08: ffff8881b18bf28f R09: 0000000000000000
R10: ffff8881b18bf270 R11: ffffed1036317e52 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000008000 R15: 0000000000000000
FS:  00007f2dc4c426c0(0000) GS:ffff8882a91f9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33124220 CR3: 0000000114a5a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 espintcp_close+0x12a/0x160
 inet_release+0x143/0x190
 sock_close+0xad/0x220
 __fput+0x418/0xa50
 task_work_run+0x1d9/0x270
 get_signal+0x1181/0x12c0
 arch_do_signal_or_restart+0xbb/0x860
 exit_to_user_mode_loop+0xa9/0x6b0
 do_syscall_64+0x353/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2dc3d9e159
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:00007f2dc4c42028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 000000000000fffd RBX: 00007f2dc4025fa0 RCX: 00007f2dc3d9e159
RDX: 000000000000fffd RSI: 0000200000000dc0 RDI: 0000000000000007
RBP: 00007f2dc3e3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2dc4026038 R14: 00007f2dc4025fa0 R15: 00007ffee3ede358
 </TASK>
