Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts.
2021/09/27 11:23:19 fuzzer started
2021/09/27 11:23:19 dialing manager at 10.128.0.248:25795
2021/09/27 11:23:19 syscalls: 828
2021/09/27 11:23:19 code coverage: enabled
2021/09/27 11:23:19 comparison tracing: enabled
2021/09/27 11:23:19 extra coverage: support is not implemented in syzkaller
2021/09/27 11:23:19 setuid sandbox: support is not implemented in syzkaller
2021/09/27 11:23:19 namespace sandbox: support is not implemented in syzkaller
2021/09/27 11:23:19 Android sandbox: support is not implemented in syzkaller
2021/09/27 11:23:19 fault injection: support is not implemented in syzkaller
2021/09/27 11:23:19 leak checking: support is not implemented in syzkaller
2021/09/27 11:23:19 net packet injection: enabled
2021/09/27 11:23:19 net device setup: support is not implemented in syzkaller
2021/09/27 11:23:19 concurrency sanitizer: support is not implemented in syzkaller
2021/09/27 11:23:19 devlink PCI setup: support is not implemented in syzkaller
2021/09/27 11:23:19 USB emulation: support is not implemented in syzkaller
2021/09/27 11:23:19 hci packet injection: support is not implemented in syzkaller
2021/09/27 11:23:19 wifi device emulation: support is not implemented in syzkaller
2021/09/27 11:23:19 802.15.4 emulation: support is not implemented in syzkaller
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Expensive timeout(9) function: 0xffffffff81f78c20(0xffffffff841bd680) 0.053746786 s
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2021/09/27 11:23:24 starting 4 fuzzer processes
11:23:24 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:24 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
sendmsg$inet6_sctp(r0, &(0x7f0000000400)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x1, 0x0, @loopback}, 0x1c, 0x0, 0x0, 0x0, 0x1c}, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0x101, &(0x7f0000000300)={@in6={{0x1c, 0x1c, 0x3, 0x0, @loopback}}}, &(0x7f00000003c0)=0x98)

11:23:24 executing program 2:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:24 executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

[fib_algo] inet.0 (bsearch4#26) rebuild_fd_flm: switching algo to radix4_lockless
11:23:25 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:25 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:25 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:25 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:25 executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:25 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
sendmsg$inet6_sctp(r0, &(0x7f0000000400)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x1, 0x0, @loopback}, 0x1c, 0x0, 0x0, 0x0, 0x1c}, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0x101, &(0x7f0000000300)={@in6={{0x1c, 0x1c, 0x3, 0x0, @loopback}}}, &(0x7f00000003c0)=0x98)

11:23:26 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:26 executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:26 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
sendmsg$inet6_sctp(r0, &(0x7f0000000400)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x1, 0x0, @loopback}, 0x1c, 0x0, 0x0, 0x0, 0x1c}, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0x101, &(0x7f0000000300)={@in6={{0x1c, 0x1c, 0x3, 0x0, @loopback}}}, &(0x7f00000003c0)=0x98)

11:23:26 executing program 2:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:26 executing program 3:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:26 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
sendmsg$inet6_sctp(r0, &(0x7f0000000400)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x1, 0x0, @loopback}, 0x1c, 0x0, 0x0, 0x0, 0x1c}, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0x101, &(0x7f0000000300)={@in6={{0x1c, 0x1c, 0x3, 0x0, @loopback}}}, &(0x7f00000003c0)=0x98)

11:23:26 executing program 3:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:26 executing program 0:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:26 executing program 1:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:26 executing program 0:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:26 executing program 2:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 1:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 3:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 0:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 2:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 1:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 3:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:27 executing program 0:
sysarch$I386_CLEAR_PKRU(0x84, &(0x7f00000000c0)={0x545000, 0x0, 0xc7})
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x105, 0x0, 0x0)
r0 = socket(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24)
setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x401, &(0x7f0000000100)={0x3, "3531197b775d1997f2ae899b1f525d57"}, 0x14)
connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @rand_addr=0x1d}, 0x10)
shutdown(r0, 0x2)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x4)
bind$inet6(r0, &(0x7f00000004c0)={0x1c, 0x1c, 0x0, 0x0, @empty}, 0x1c)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
bind(r0, &(0x7f0000000000)=@in6={0x1c, 0x1c, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000180)={0xffffffffffffff5f, 0x1c, 0x2}, 0x1c)
writev(r0, &(0x7f0000000040)=[{&(0x7f00000002c0)="875ebfc627a107326ef70a1198a2855717553b246742593337ec40c3b6e3717fc6db59e2c209bcdd128b40e2bad61d90d8cf1111579d4c6885452c493685daeed8961f3d7dc332a27cba30ed7ad51124d55d12e9419f5008a4a617f217c456bb03164741c4", 0x65}], 0x1)
readv(r0, &(0x7f0000000080)=[{&(0x7f00000001c0)=""/197, 0xc5}], 0x1)

11:23:28 executing program 3:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000340), &(0x7f0000000380)=0x8)

11:23:28 executing program 1:
r0 = socket(0x1c, 0x10000001, 0x84)
sendto$inet6(r0, &(0x7f0000000040)="f6", 0x1, 0x100, &(0x7f0000000100)={0x1c, 0x1c, 0x1, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}, 0x80}, 0x1c)

11:23:28 executing program 3:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_EVENT(r0, 0x84, 0x1e, &(0x7f0000000340), &(0x7f0000000380)=0x8)

11:23:28 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
connect$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x1, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c)
r1 = dup2(r0, r0)
getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, &(0x7f0000000080)={0x1, [<r2=>0x0]}, &(0x7f00000000c0)=0x8)
getsockopt$inet6_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x23, &(0x7f0000000100)={@in={{0x10, 0x2, 0x1}}, r2}, &(0x7f00000001c0)=0x90)

11:23:28 executing program 0:
kmq_open(&(0x7f00000001c0)='./file0\x00', 0x200, 0x0, &(0x7f0000000200)={0x0, 0x5, 0x3})

11:23:28 executing program 0:
kmq_open(&(0x7f00000001c0)='./file0\x00', 0x200, 0x0, &(0x7f0000000200)={0x0, 0x5, 0x3})

11:23:28 executing program 2:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0)
ioctl$DIOCXBEGIN(r0, 0xc0104451, &(0x7f0000000000))

11:23:28 executing program 0:
kmq_open(&(0x7f00000001c0)='./file0\x00', 0x200, 0x0, &(0x7f0000000200)={0x0, 0x5, 0x3})

11:23:28 executing program 0:
kmq_open(&(0x7f00000001c0)='./file0\x00', 0x200, 0x0, &(0x7f0000000200)={0x0, 0x5, 0x3})

Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe009eae5c70) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3355
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe009ea86e50) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3322
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe00081bb430) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3321
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe009ea86e70) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:3320
stack backtrace:
#0 0xffffffff817fc1c3 at witness_debugger+0x173
#1 0xffffffff817fe633 at witness_warn+0x893
#2 0xffffffff821dc522 at trap_pfault+0x162
#3 0xffffffff821dad17 at trap+0x5e7
#4 0xffffffff82181548 at calltrap+0x8
#5 0xffffffff84cc7ddc at sctp_med_chunk_output+0x190c
#6 0xffffffff84cc3935 at sctp_chunk_output+0x2b25
#7 0xffffffff84cf1bac at sctp_inpcb_free+0xbcc
#8 0xffffffff84d1d72b at sctp_close+0x1fb
#9 0xffffffff818799be at soclose+0x3fe
#10 0xffffffff8160a438 at _fdrop+0x58
#11 0xffffffff81611dc6 at closef+0x686
#12 0xffffffff81610e4a at fdescfree_fds+0x1fa
#13 0xffffffff816100c3 at fdescfree+0x903
#14 0xffffffff81637c97 at exit1+0x8b7
#15 0xffffffff816373d8 at sys_sys_exit+0x28
#16 0xffffffff82355caf at ia32_syscall+0x41f
#17 0xffffffff821826ef at int0x80_syscall_common+0x9c


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0xffffffffffffffff
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff84d05c92
stack pointer	        = 0x0:0xfffffe009beb1d40
frame pointer	        = 0x0:0xfffffe009beb1d70
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, 
IOPL = 0
current process		= 910 (syz-executor.1)
trap number		= 12