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: 16690 Comm: syz-executor.0 Not tainted 5.5.0-rc3-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 77 fd 53 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 e8 76 fa 41 0f b6 45 00 84
RSP: 0018:ffffc900084576a0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff838face6
RDX: 0000000000000001 RSI: ffffffff838fad60 RDI: 0000000000000008
RBP: ffffc900084576d8 R08: ffff88805f7e2400 R09: fffffbfff1659bca
R10: fffffbfff1659bc9 R11: ffffffff8b2cde4f R12: ffff888096af26e8
R13: ffffed1012d5e4df R14: dffffc0000000000 R15: ffff888096af20a8
FS:  0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000090e5900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000002397cb8 CR3: 000000008d2d3000 CR4: 00000000001406f0
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:934 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1322 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1189 [inline]
 sctp_do_sm+0x3a6a/0x5190 net/sctp/sm_sideeffect.c:1160
 sctp_assoc_bh_rcv+0x3a9/0x700 net/sctp/associola.c:1045
 sctp_inq_push+0x1e4/0x280 net/sctp/inqueue.c:80
 sctp_backlog_rcv+0x222/0x1420 net/sctp/input.c:344
 sk_backlog_rcv include/net/sock.h:954 [inline]
 __release_sock+0x129/0x390 net/core/sock.c:2437
 release_sock+0x59/0x1c0 net/core/sock.c:2953
 sctp_close+0x4ba/0x960 net/sctp/socket.c:1523
 inet_release+0xed/0x200 net/ipv4/af_inet.c:427
 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470
 __sock_release+0xce/0x280 net/socket.c:592
 sock_close+0x1e/0x30 net/socket.c:1270
 __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_32_irqs_on arch/x86/entry/common.c:352 [inline]
 do_fast_syscall_32+0xbbd/0xe16 arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f6ba39
Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:000000000848fbec EFLAGS: 00000212 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000005 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 09f83a4b212c6f04 ]---
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 77 fd 53 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 e8 76 fa 41 0f b6 45 00 84
RSP: 0018:ffffc900084576a0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff838face6
RDX: 0000000000000001 RSI: ffffffff838fad60 RDI: 0000000000000008
RBP: ffffc900084576d8 R08: ffff88805f7e2400 R09: fffffbfff1659bca
R10: fffffbfff1659bc9 R11: ffffffff8b2cde4f R12: ffff888096af26e8
R13: ffffed1012d5e4df R14: dffffc0000000000 R15: ffff888096af20a8
FS:  0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000090e5900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000002395fd0 CR3: 000000008d2d3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400