audit: type=1400 audit(1577189343.749:36): avc:  denied  { map } for  pid=7213 comm="syz-executor653" path="/root/syz-executor653221607" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
skbuff: skb_over_panic: text:ffffffff85eeef77 len:194 put:82 head:ffff88809b46b540 data:ffff88809b46b540 tail:0xc2 end:0xc0 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:104!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7213 Comm: syz-executor653 Not tainted 4.14.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880974c8500 task.stack: ffff88809e4c0000
RIP: 0010:skb_panic+0x17c/0x17e net/core/skbuff.c:104
RSP: 0018:ffff88809e4c7a70 EFLAGS: 00010286
RAX: 0000000000000086 RBX: ffff8880986e3480 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff86cc4480 RDI: ffffed1013c98f44
RBP: ffff88809e4c7ad8 R08: 0000000000000086 R09: ffff8880974c8da0
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87584ee0
R13: ffffffff85eeef77 R14: 0000000000000052 R15: ffffffff875846e0
FS:  0000000000a7f880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b85cac30b8 CR3: 0000000095640000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_over_panic net/core/skbuff.c:109 [inline]
 skb_put.cold+0x23/0x23 net/core/skbuff.c:1699
 skb_put_data include/linux/skbuff.h:2095 [inline]
 sctp_addto_chunk+0xe7/0x2a0 net/sctp/sm_make_chunk.c:1482
 sctp_make_strreset_req+0x37f/0x3d0 net/sctp/sm_make_chunk.c:3637
 sctp_send_reset_streams+0x432/0xb50 net/sctp/stream.c:167
 sctp_setsockopt_reset_streams net/sctp/socket.c:3901 [inline]
 sctp_setsockopt net/sctp/socket.c:4133 [inline]
 sctp_setsockopt+0x2486/0x3f50 net/sctp/socket.c:3979
 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:2968
 SYSC_setsockopt net/socket.c:1865 [inline]
 SyS_setsockopt+0x13c/0x210 net/socket.c:1844
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4402d9
RSP: 002b:00007ffdf3610618 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004402d9
RDX: 0000000000000077 RSI: 0000000000000084 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000000002de R09: 00000000004002c8
R10: 000000002081e000 R11: 0000000000000246 R12: 0000000000401b60
R13: 0000000000401bf0 R14: 0000000000000000 R15: 0000000000000000
Code: fc 4c 8b 4d b8 8b 8b 80 00 00 00 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 20 47 58 87 ff 75 c8 ff 75 c0 e8 b4 f7 32 fc <0f> 0b e8 8a c3 44 fc 4c 8b 6d 08 e8 d1 3a 6f fc 48 c7 c1 a0 4e 
RIP: skb_panic+0x17c/0x17e net/core/skbuff.c:104 RSP: ffff88809e4c7a70
---[ end trace d15185b01e49035c ]---