general protection fault, probably for non-canonical address 0xdffffc000000004c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000260-0x0000000000000267]
CPU: 0 PID: 11072 Comm: syz-executor.1 Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90007c07448 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff8766d5c2 RDI: 0000000000000260
RBP: ffff888029190158 R08: 0000000000000001 R09: ffff88802385d3e0
R10: fffffbfff1564cb1 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff92000f80e8f R14: 0000000000000004 R15: 0000000000000000
FS:  00007ff298343700(0000) GS:ffff88802ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffb4e7fff8 CR3: 000000007534a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sctp_assoc_set_primary+0x6c/0x300 net/sctp/associola.c:435
 sctp_assoc_rm_peer+0x6f7/0x950 net/sctp/associola.c:508
 sctp_assoc_update+0x588/0xfd0 net/sctp/associola.c:1116
 sctp_cmd_assoc_update net/sctp/sm_sideeffect.c:836 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1305 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1185 [inline]
 sctp_do_sm+0x27f8/0x4d80 net/sctp/sm_sideeffect.c:1156
 sctp_assoc_bh_rcv+0x386/0x6c0 net/sctp/associola.c:1044
 sctp_inq_push+0x1da/0x270 net/sctp/inqueue.c:80
 sctp_backlog_rcv+0x19e/0x5c0 net/sctp/input.c:344
 sk_backlog_rcv include/net/sock.h:1011 [inline]
 __release_sock+0x134/0x3a0 net/core/sock.c:2542
 release_sock+0x54/0x1b0 net/core/sock.c:3065
 sctp_wait_for_connect+0x30f/0x540 net/sctp/socket.c:9061
 __sctp_connect+0x96b/0xc00 net/sctp/socket.c:1230
 __sctp_setsockopt_connectx net/sctp/socket.c:1319 [inline]
 __sctp_setsockopt_connectx net/sctp/socket.c:1294 [inline]
 sctp_setsockopt_connectx net/sctp/socket.c:1346 [inline]
 sctp_setsockopt+0x1b2a/0x97f0 net/sctp/socket.c:4487
 __sys_setsockopt+0x2db/0x610 net/socket.c:2132
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cc79
Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff298342c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000071eb00 RCX: 000000000045cc79
RDX: 000000000000006e RSI: 0000000000000084 RDI: 0000000000000003
RBP: 00000000004a9d16 R08: 0000000000000020 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 000000000074bf00
R13: 00007ffeeb4d73ef R14: 00007ff298323000 R15: 0000000000000003
Modules linked in:
---[ end trace 31803ffd34fb3d87 ]---
RIP: 0010:sctp_ulpevent_notify_peer_addr_change+0xa9/0xad0 net/sctp/ulpevent.c:346
Code: 03 80 3c 18 00 0f 85 9f 08 00 00 48 8b 9d b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 60 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 3a 08 00 00 44 8b a3 60 02 00
RSP: 0018:ffffc90007c07448 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000004c RSI: ffffffff8766d5c2 RDI: 0000000000000260
RBP: ffff888029190158 R08: 0000000000000001 R09: ffff88802385d3e0
R10: fffffbfff1564cb1 R11: 0000000000000000 R12: 0000000000000001
R13: 1ffff92000f80e8f R14: 0000000000000004 R15: 0000000000000000
FS:  00007ff298343700(0000) GS:ffff88802d100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000260c1f8 CR3: 000000007534a000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400