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: 0 PID: 31353 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sctp_sched_fcfs_dequeue+0xc9/0x140 net/sctp/stream_sched.c:83
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 08 48 8d 7b 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 59 4c 8b 63 30 49 83 ec 18 e8 d4 74 eb f9 4c 89 e6
RSP: 0018:ffff8882351978c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 00000000a8918f80 RCX: ffffffff876f97a6
RDX: 00000000151231f6 RSI: ffffffff8777104f RDI: 00000000a8918fb0
RBP: ffff888000134a28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880001202d8
R13: ffffed1000026948 R14: ffff888000134a4c R15: 1ffff11000026949
FS:  000055555716f400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555bdb8c8 CR3: 00000000a6a9a000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sctp_outq_dequeue_data net/sctp/outqueue.c:91 [inline]
 __sctp_outq_teardown+0x729/0xc20 net/sctp/outqueue.c:267
 sctp_association_free+0x212/0x7b0 net/sctp/associola.c:361
 sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:944 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1332 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline]
 sctp_do_sm+0x39ee/0x5110 net/sctp/sm_sideeffect.c:1170
 sctp_primitive_SHUTDOWN+0x9b/0xc0 net/sctp/primitive.c:104
 sctp_close+0x3d9/0x7f0 net/sctp/socket.c:1574
 inet_release+0xd7/0x1e0 net/ipv4/af_inet.c:427
 __sock_release+0xcd/0x2a0 net/socket.c:599
 sock_close+0x15/0x20 net/socket.c:1214
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f48cca8aadb
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc9fd269c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f48cca8aadb
RDX: 0000001b2f920000 RSI: 00007f48cc98da98 RDI: 0000000000000005
RBP: 00007f48ccbec960 R08: 0000000000000000 R09: 000000003253460c
R10: 001cf26554f24b33 R11: 0000000000000293 R12: 00000000000eadb2
R13: 00007ffc9fd26ac0 R14: 00007f48ccbeb030 R15: 0000000000000032
Modules linked in:
---[ end trace b384dfd7fe3b1f52 ]---
RIP: 0010:sctp_sched_fcfs_dequeue+0xc9/0x140 net/sctp/stream_sched.c:83
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 08 48 8d 7b 30 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 59 4c 8b 63 30 49 83 ec 18 e8 d4 74 eb f9 4c 89 e6
RSP: 0018:ffff8882351978c8 EFLAGS: 00010206
overlayfs: failed to resolve './file1': -2
RAX: dffffc0000000000 RBX: 00000000a8918f80 RCX: ffffffff876f97a6
RDX: 00000000151231f6 RSI: ffffffff8777104f RDI: 00000000a8918fb0
RBP: ffff888000134a28 R08: 0000000000000000 R09: 0000000000000000
overlayfs: missing 'lowerdir'
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880001202d8
R13: ffffed1000026948 R14: ffff888000134a4c R15: 1ffff11000026949
FS:  000055555716f400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000205dd000 CR3: 00000000a6a9a000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   a:	0f 85 80 00 00 00    	jne    0x90
  10:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  17:	fc ff df
  1a:	49 8b 5c 24 08       	mov    0x8(%r12),%rbx
  1f:	48 8d 7b 30          	lea    0x30(%rbx),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 59                	jne    0x89
  30:	4c 8b 63 30          	mov    0x30(%rbx),%r12
  34:	49 83 ec 18          	sub    $0x18,%r12
  38:	e8 d4 74 eb f9       	callq  0xf9eb7511
  3d:	4c 89 e6             	mov    %r12,%rsi