kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13193 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sctp_stream_free+0xe4/0x180 net/sctp/stream.c:183
Code: 07 48 89 d1 48 69 d2 aa 00 00 00 48 c1 e1 0c 48 29 d0 48 8d 04 40 48 8d 34 c1 e8 57 55 51 fc 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 75 6f 48 8b 78 08 e8 4c 41 74 fa 41 0f b6 45 00 84
RSP: 0018:ffffc90004c5f8c0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff838fabc6
RDX: 0000000000000001 RSI: ffffffff838fac40 RDI: 0000000000000008
RBP: ffffc90004c5f8f8 R08: ffff8880a0760100 R09: fffffbfff165a7d0
R10: fffffbfff165a7cf R11: ffffffff8b2d3e7f R12: ffff8880a15686e8
R13: ffffed10142ad0df R14: dffffc0000000000 R15: ffff8880a15680a8
FS:  0000000000db0940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000714158 CR3: 0000000090b27000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sctp_association_free+0x235/0x7e0 net/sctp/associola.c:350
 sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:930 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1318 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1185 [inline]
 sctp_do_sm+0x3a33/0x5150 net/sctp/sm_sideeffect.c:1156
 sctp_primitive_ABORT+0xa0/0xd0 net/sctp/primitive.c:104
 sctp_close+0x259/0x960 net/sctp/socket.c:1512
 inet_release+0xed/0x200 net/ipv4/af_inet.c:427
 __sock_release+0xce/0x280 net/socket.c:596
 sock_close+0x1e/0x30 net/socket.c:1282
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x676/0x790 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4144b1
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffce65d6f80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004144b1
RDX: 0000001b2f220000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00000000cfb25e3c R09: 00000000cfb25e40
R10: 00007ffce65d7060 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 00000000007606c0 R15: 000000000075bf2c
Modules linked in:
---[ end trace 827436df03a5fa43 ]---
RIP: 0010:sctp_stream_free+0xe4/0x180 net/sctp/stream.c:183
Code: 07 48 89 d1 48 69 d2 aa 00 00 00 48 c1 e1 0c 48 29 d0 48 8d 04 40 48 8d 34 c1 e8 57 55 51 fc 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 75 6f 48 8b 78 08 e8 4c 41 74 fa 41 0f b6 45 00 84
RSP: 0018:ffffc90004c5f8c0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff838fabc6
RDX: 0000000000000001 RSI: ffffffff838fac40 RDI: 0000000000000008
RBP: ffffc90004c5f8f8 R08: ffff8880a0760100 R09: fffffbfff165a7d0
R10: fffffbfff165a7cf R11: ffffffff8b2d3e7f R12: ffff8880a15686e8
R13: ffffed10142ad0df R14: dffffc0000000000 R15: ffff8880a15680a8
FS:  0000000000db0940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000714158 CR3: 0000000090b27000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400