netlink: 244 bytes leftover after parsing attributes in process `syz-executor.0'.
skbuff: skb_over_panic: text:ffffffff8ef210e9 len:4 put:4 head:0000000000000000 data:0000000000000000 tail:0x4 end:0x0 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 3983 Comm: syz-executor.0 Not tainted 5.18.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_panic+0x3af/0x3c0 net/core/skbuff.c:113
Code: ff ff 8b 4d c0 44 8b 45 bc 4c 8b 8d 40 ff ff ff 41 54 ff 75 88 ff b5 70 ff ff ff ff b5 50 ff ff ff e8 60 f3 50 03 48 83 c4 20 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffff88812a2e34e0 EFLAGS: 00010282
RAX: 0000000000000081 RBX: ffff88810b6c2c00 RCX: 9d2a1489f9f76300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88812a2e35b0 R08: ffffffff819859b0 R09: ffff88823fdd8e80
R10: 00000000ffffff00 R11: ffff888129ee2fc8 R12: ffffffff91033f75
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3bd1977700(0000) GS:ffff88813fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204b8fe4 CR3: 0000000118c34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_over_panic net/core/skbuff.c:118 [inline]
 skb_put+0x352/0x360 net/core/skbuff.c:2020
 _sctp_make_chunk+0x1b9/0x940 net/sctp/sm_make_chunk.c:1449
 sctp_make_data net/sctp/sm_make_chunk.c:1476 [inline]
 sctp_make_datafrag_empty+0x24f/0x770 net/sctp/sm_make_chunk.c:740
 sctp_datamsg_from_user+0x138c/0x22b0 net/sctp/chunk.c:262
 sctp_sendmsg_to_asoc+0x135d/0x1f50 net/sctp/socket.c:1855
 sctp_sendmsg+0x3eac/0x5460 net/sctp/socket.c:2027
 inet_sendmsg+0x15b/0x1d0 net/ipv4/af_inet.c:819
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg net/socket.c:725 [inline]
 __sys_sendto+0x9ef/0xc70 net/socket.c:2040
 __do_sys_sendto net/socket.c:2052 [inline]
 __se_sys_sendto net/socket.c:2048 [inline]
 __x64_sys_sendto+0x19c/0x210 net/socket.c:2048
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x51/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3bd0888e99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3bd1977168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f3bd099bf60 RCX: 00007f3bd0888e99
RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000005
RBP: 00007f3bd08e2ff1 R08: 000000002005ffe4 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd9eb64dff R14: 00007f3bd1977300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x3af/0x3c0 net/core/skbuff.c:113
Code: ff ff 8b 4d c0 44 8b 45 bc 4c 8b 8d 40 ff ff ff 41 54 ff 75 88 ff b5 70 ff ff ff ff b5 50 ff ff ff e8 60 f3 50 03 48 83 c4 20 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41
RSP: 0018:ffff88812a2e34e0 EFLAGS: 00010282
RAX: 0000000000000081 RBX: ffff88810b6c2c00 RCX: 9d2a1489f9f76300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88812a2e35b0 R08: ffffffff819859b0 R09: ffff88823fdd8e80
R10: 00000000ffffff00 R11: ffff888129ee2fc8 R12: ffffffff91033f75
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3bd1977700(0000) GS:ffff88813fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204b8fe4 CR3: 0000000118c34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400