------------[ cut here ]------------
i == msg->sg.end && bytes
WARNING: ./include/linux/skmsg.h:152 at __sk_msg_free+0x1c8/0x340, CPU#0: syz.2.6630/21946
Modules linked in:
CPU: 0 UID: 0 PID: 21946 Comm: syz.2.6630 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0x1c8/0x340
Code: 00 84 c0 0f 85 bc 00 00 00 44 03 7c 24 1c 45 8b 36 45 85 f6 0f 84 c9 00 00 00 e8 23 8a 2c f8 e9 e0 fe ff ff e8 19 8a 2c f8 90 <0f> 0b 90 eb 9c 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c e4 fe ff ff
RSP: 0018:ffffc90008be6d90 EFLAGS: 00010246
RAX: ffffffff899916c7 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900222e2000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000002 R08: ffff888021d9e33f R09: 0000000000000000
R10: ffff888021d9e320 R11: ffffed10043b3c68 R12: ffff888021d9e2e0
R13: 00000000fffffffb R14: dffffc0000000000 R15: 0000000000002a15
FS:  00007fcc899fb6c0(0000) GS:ffff88818de60000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2d0722 CR3: 0000000118d1a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 bpf_exec_tx_verdict+0x10ad/0x1640
 tls_sw_sendmsg+0x15d1/0x2360
 sock_sendmsg+0x267/0x450
 splice_to_socket+0xae2/0x11f0
 direct_splice_actor+0x101/0x160
 splice_direct_to_actor+0x53a/0xc70
 do_splice_direct+0x195/0x290
 do_sendfile+0x535/0x7d0
 __se_sys_sendfile64+0x144/0x1a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc88b9c799
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:00007fcc899fb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcc88e16270 RCX: 00007fcc88b9c799
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fcc88c32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 00000ffffffff004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcc88e16308 R14: 00007fcc88e16270 R15: 00007fff4720a6f8
 </TASK>
