Warning: Permanently added '[localhost]:22379' (ECDSA) to the list of known hosts. 2022/09/15 13:52:32 fuzzer started 2022/09/15 13:52:33 dialing manager at localhost:36559 syzkaller login: [ 43.822719] cgroup: Unknown subsys name 'net' [ 43.898414] cgroup: Unknown subsys name 'rlimit' 2022/09/15 13:52:46 syscalls: 2215 2022/09/15 13:52:46 code coverage: enabled 2022/09/15 13:52:46 comparison tracing: enabled 2022/09/15 13:52:46 extra coverage: enabled 2022/09/15 13:52:46 setuid sandbox: enabled 2022/09/15 13:52:46 namespace sandbox: enabled 2022/09/15 13:52:46 Android sandbox: enabled 2022/09/15 13:52:46 fault injection: enabled 2022/09/15 13:52:46 leak checking: enabled 2022/09/15 13:52:46 net packet injection: enabled 2022/09/15 13:52:46 net device setup: enabled 2022/09/15 13:52:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/15 13:52:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/15 13:52:46 USB emulation: enabled 2022/09/15 13:52:46 hci packet injection: enabled 2022/09/15 13:52:46 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220915) 2022/09/15 13:52:46 802.15.4 emulation: enabled 2022/09/15 13:52:46 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/15 13:52:46 fetching corpus: 50, signal 29571/33079 (executing program) 2022/09/15 13:52:46 fetching corpus: 100, signal 42553/47502 (executing program) 2022/09/15 13:52:46 fetching corpus: 150, signal 55817/62009 (executing program) 2022/09/15 13:52:46 fetching corpus: 200, signal 61771/69240 (executing program) 2022/09/15 13:52:47 fetching corpus: 250, signal 69766/78316 (executing program) 2022/09/15 13:52:47 fetching corpus: 300, signal 76060/85680 (executing program) 2022/09/15 13:52:47 fetching corpus: 350, signal 83665/94165 (executing program) 2022/09/15 13:52:47 fetching corpus: 400, signal 87766/99296 (executing program) 2022/09/15 13:52:47 fetching corpus: 450, signal 95124/107368 (executing program) 2022/09/15 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2022/09/15 13:53:05 fetching corpus: 6450, signal 239525/249023 (executing program) 2022/09/15 13:53:05 fetching corpus: 6500, signal 240032/249026 (executing program) 2022/09/15 13:53:05 fetching corpus: 6550, signal 240561/249026 (executing program) 2022/09/15 13:53:05 fetching corpus: 6571, signal 241024/249026 (executing program) 2022/09/15 13:53:05 fetching corpus: 6571, signal 241024/249026 (executing program) 2022/09/15 13:53:07 starting 8 fuzzer processes 13:53:07 executing program 0: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x89b0, &(0x7f0000000000)={'sit0\x00'}) 13:53:07 executing program 1: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x1a) 13:53:07 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000002340)={0x0, 0x0, &(0x7f0000002300)={0x0}}, 0x0) 13:53:07 executing program 3: pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RGETLOCK(r0, 0x0, 0x0) 13:53:07 executing program 2: r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000019300)={0x2, 0x80, 0x2, 0x6, 0x1f, 0xff, 0x0, 0x0, 0x2000, 0xd, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x3f, 0x0, @perf_bp={&(0x7f0000000100), 0x4}, 0x1210, 0x0, 0x4, 0x8, 0x7, 0x8, 0xbaf2, 0x0, 0xc2, 0x0, 0x8}, 0x0, 0x2, r0, 0x8) io_uring_register$IORING_UNREGISTER_BUFFERS(0xffffffffffffffff, 0x1, 0x1000000, 0x0) syz_io_uring_setup(0x56ad, &(0x7f0000000140)={0x0, 0x6c4c, 0x10, 0x2, 0x212}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000000), 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000040), 0xb}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) getpgid(r1) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00') pread64(r2, &(0x7f0000000300)=""/102389, 0x18ff5, 0x0) r3 = openat$sr(0xffffffffffffff9c, &(0x7f00000001c0), 0x400080, 0x0) kcmp$KCMP_EPOLL_TFD(0x0, r1, 0x7, r2, &(0x7f0000000200)={r3, 0xffffffffffffffff, 0x1000}) syz_open_procfs(0x0, &(0x7f0000000c00)='net/ip_tables_matches\x00') [ 78.328500] audit: type=1400 audit(1663249987.708:6): avc: denied { execmem } for pid=286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 13:53:07 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000040)=0x4156, 0x4) sendmmsg$inet(r0, &(0x7f0000002a00)=[{{&(0x7f0000000000)={0x2, 0x4e21}, 0x10, 0x0}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000000680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)=""/81, 0x51}}], 0x1, 0x40012301, 0x0) 13:53:07 executing program 4: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000380)=0x0) socket$inet_udp(0x2, 0x2, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_ASYNC_CANCEL, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) syz_io_uring_submit(r3, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x8}, 0x0) pipe2(&(0x7f0000000180), 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 13:53:07 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000000)=0x8005, 0x4) listen(r0, 0x0) [ 79.629903] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.640851] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 79.642664] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 79.644342] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 79.646022] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 79.647338] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.648705] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 79.650683] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 79.652198] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 79.653652] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 79.654705] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 79.655780] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.656911] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 79.658084] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 79.659224] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 79.660409] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 79.661417] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 79.663334] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 79.664638] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 79.665923] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 79.671539] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 79.673462] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.676663] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 79.679917] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 79.681339] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 79.682670] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 79.684951] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.686346] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 79.687877] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 79.690758] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.692330] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 79.693741] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 79.694946] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 79.696549] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 79.698169] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 79.699664] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 79.700165] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 79.702844] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 79.704228] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 79.704790] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 79.710600] Bluetooth: hci0: HCI_REQ-0x0c1a [ 79.711427] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 79.712828] Bluetooth: hci2: HCI_REQ-0x0c1a [ 79.717465] Bluetooth: hci4: HCI_REQ-0x0c1a [ 79.718367] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 79.723470] Bluetooth: hci5: HCI_REQ-0x0c1a [ 79.724615] Bluetooth: hci6: HCI_REQ-0x0c1a [ 79.729072] Bluetooth: hci3: HCI_REQ-0x0c1a [ 79.780102] Bluetooth: hci1: HCI_REQ-0x0c1a [ 79.865695] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 79.872678] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 79.876424] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 79.882237] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 79.895576] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 79.897393] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 79.915938] Bluetooth: hci7: HCI_REQ-0x0c1a [ 81.782881] Bluetooth: hci2: command 0x0409 tx timeout [ 81.782880] Bluetooth: hci3: command 0x0409 tx timeout [ 81.783372] Bluetooth: hci5: command 0x0409 tx timeout [ 81.783589] Bluetooth: hci0: command 0x0409 tx timeout [ 81.784541] Bluetooth: hci6: command 0x0409 tx timeout [ 81.788522] Bluetooth: hci4: command 0x0409 tx timeout [ 81.846021] Bluetooth: hci1: command 0x0409 tx timeout [ 81.975200] Bluetooth: hci7: command 0x0409 tx timeout [ 83.831110] Bluetooth: hci4: command 0x041b tx timeout [ 83.831771] Bluetooth: hci6: command 0x041b tx timeout [ 83.833641] Bluetooth: hci0: command 0x041b tx timeout [ 83.834284] Bluetooth: hci5: command 0x041b tx timeout [ 83.834719] Bluetooth: hci2: command 0x041b tx timeout [ 83.835913] Bluetooth: hci3: command 0x041b tx timeout [ 83.894001] Bluetooth: hci1: command 0x041b tx timeout [ 84.022031] Bluetooth: hci7: command 0x041b tx timeout [ 85.878089] Bluetooth: hci3: command 0x040f tx timeout [ 85.878635] Bluetooth: hci2: command 0x040f tx timeout [ 85.879107] Bluetooth: hci5: command 0x040f tx timeout [ 85.880430] Bluetooth: hci0: command 0x040f tx timeout [ 85.880855] Bluetooth: hci6: command 0x040f tx timeout [ 85.883385] Bluetooth: hci4: command 0x040f tx timeout [ 85.943101] Bluetooth: hci1: command 0x040f tx timeout [ 86.070055] Bluetooth: hci7: command 0x040f tx timeout [ 87.927126] Bluetooth: hci4: command 0x0419 tx timeout [ 87.927620] Bluetooth: hci6: command 0x0419 tx timeout [ 87.928075] Bluetooth: hci0: command 0x0419 tx timeout [ 87.928476] Bluetooth: hci5: command 0x0419 tx timeout [ 87.928881] Bluetooth: hci2: command 0x0419 tx timeout [ 87.931070] Bluetooth: hci3: command 0x0419 tx timeout [ 87.991076] Bluetooth: hci1: command 0x0419 tx timeout [ 88.119050] Bluetooth: hci7: command 0x0419 tx timeout 13:54:04 executing program 4: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000380)=0x0) socket$inet_udp(0x2, 0x2, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_ASYNC_CANCEL, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) syz_io_uring_submit(r3, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x8}, 0x0) pipe2(&(0x7f0000000180), 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 13:54:04 executing program 4: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000380)=0x0) socket$inet_udp(0x2, 0x2, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_ASYNC_CANCEL, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) syz_io_uring_submit(r3, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x8}, 0x0) pipe2(&(0x7f0000000180), 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 13:54:04 executing program 1: pselect6(0x0, 0x0, &(0x7f0000001840), 0x0, &(0x7f00000018c0), 0x0) 13:54:04 executing program 1: r0 = syz_io_uring_setup(0x7, &(0x7f0000000080), &(0x7f0000ccc000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000040)=0x0, &(0x7f0000000140)=0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000300)=@l2tp6={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000300)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000002c0)={0x0, 0x0, 0x0}}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) 13:54:04 executing program 4: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000380)=0x0) socket$inet_udp(0x2, 0x2, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_ASYNC_CANCEL, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) syz_io_uring_submit(r3, r2, &(0x7f0000000000)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x8}, 0x0) pipe2(&(0x7f0000000180), 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 13:54:04 executing program 1: r0 = syz_io_uring_setup(0x7, &(0x7f0000000080), &(0x7f0000ccc000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000040)=0x0, &(0x7f0000000140)=0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000300)=@l2tp6={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000300)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000002c0)={0x0, 0x0, 0x0}}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) 13:54:05 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) getdents64(r0, &(0x7f0000000540)=""/187, 0x20000558) getdents64(r0, 0x0, 0x0) 13:54:05 executing program 1: r0 = syz_io_uring_setup(0x7, &(0x7f0000000080), &(0x7f0000ccc000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000040)=0x0, &(0x7f0000000140)=0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_CONNECT={0x10, 0x0, 0x0, r3, 0x80, &(0x7f0000000300)=@l2tp6={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000300)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, &(0x7f00000002c0)={0x0, 0x0, 0x0}}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) [ 136.381215] Zero length message leads to an empty skb [ 137.338628] audit: type=1400 audit(1663250046.718:7): avc: denied { open } for pid=3950 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 137.343119] audit: type=1400 audit(1663250046.718:8): avc: denied { kernel } for pid=3950 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 137.351579] ------------[ cut here ]------------ [ 137.351602] [ 137.351606] ====================================================== [ 137.351610] WARNING: possible circular locking dependency detected [ 137.351614] 6.0.0-rc5-next-20220915 #1 Not tainted [ 137.351620] ------------------------------------------------------ [ 137.351624] syz-executor.2/3951 is trying to acquire lock: [ 137.351630] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 137.351668] [ 137.351668] but task is already holding lock: [ 137.351671] ffff88800f22f020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 137.351699] [ 137.351699] which lock already depends on the new lock. [ 137.351699] [ 137.351703] [ 137.351703] the existing dependency chain (in reverse order) is: [ 137.351706] [ 137.351706] -> #3 (&ctx->lock){....}-{2:2}: [ 137.351720] _raw_spin_lock+0x2a/0x40 [ 137.351738] __perf_event_task_sched_out+0x53b/0x18d0 [ 137.351750] __schedule+0xedd/0x2470 [ 137.351761] schedule+0xda/0x1b0 [ 137.351771] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.351792] syscall_exit_to_user_mode+0x19/0x40 [ 137.351811] do_syscall_64+0x48/0x90 [ 137.351826] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.351847] [ 137.351847] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 137.351861] _raw_spin_lock_nested+0x30/0x40 [ 137.351876] raw_spin_rq_lock_nested+0x1e/0x30 [ 137.351889] task_fork_fair+0x63/0x4d0 [ 137.351907] sched_cgroup_fork+0x3d0/0x540 [ 137.351921] copy_process+0x4183/0x6e20 [ 137.351932] kernel_clone+0xe7/0x890 [ 137.351941] user_mode_thread+0xad/0xf0 [ 137.351951] rest_init+0x24/0x250 [ 137.351968] arch_call_rest_init+0xf/0x14 [ 137.351980] start_kernel+0x4c1/0x4e6 [ 137.351991] secondary_startup_64_no_verify+0xe0/0xeb [ 137.352005] [ 137.352005] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 137.352019] _raw_spin_lock_irqsave+0x39/0x60 [ 137.352034] try_to_wake_up+0xab/0x1920 [ 137.352048] up+0x75/0xb0 [ 137.352059] __up_console_sem+0x6e/0x80 [ 137.352076] console_unlock+0x46a/0x590 [ 137.352092] vt_ioctl+0x2822/0x2ca0 [ 137.352105] tty_ioctl+0x7c4/0x1700 [ 137.352117] __x64_sys_ioctl+0x19a/0x210 [ 137.352133] do_syscall_64+0x3b/0x90 [ 137.352147] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.352164] [ 137.352164] -> #0 ((console_sem).lock){....}-{2:2}: [ 137.352178] __lock_acquire+0x2a02/0x5e70 [ 137.352195] lock_acquire+0x1a2/0x530 [ 137.352211] _raw_spin_lock_irqsave+0x39/0x60 [ 137.352226] down_trylock+0xe/0x70 [ 137.352239] __down_trylock_console_sem+0x3b/0xd0 [ 137.352255] vprintk_emit+0x16b/0x560 [ 137.352272] vprintk+0x84/0xa0 [ 137.352289] _printk+0xba/0xf1 [ 137.352307] report_bug.cold+0x72/0xab [ 137.352320] handle_bug+0x3c/0x70 [ 137.352334] exc_invalid_op+0x14/0x50 [ 137.352347] asm_exc_invalid_op+0x16/0x20 [ 137.352364] group_sched_out.part.0+0x2c7/0x460 [ 137.352375] ctx_sched_out+0x8f1/0xc10 [ 137.352385] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.352397] __schedule+0xedd/0x2470 [ 137.352407] schedule+0xda/0x1b0 [ 137.352417] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.352436] syscall_exit_to_user_mode+0x19/0x40 [ 137.352454] do_syscall_64+0x48/0x90 [ 137.352467] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.352485] [ 137.352485] other info that might help us debug this: [ 137.352485] [ 137.352488] Chain exists of: [ 137.352488] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 137.352488] [ 137.352503] Possible unsafe locking scenario: [ 137.352503] [ 137.352505] CPU0 CPU1 [ 137.352507] ---- ---- [ 137.352510] lock(&ctx->lock); [ 137.352515] lock(&rq->__lock); [ 137.352522] lock(&ctx->lock); [ 137.352528] lock((console_sem).lock); [ 137.352534] [ 137.352534] *** DEADLOCK *** [ 137.352534] [ 137.352535] 2 locks held by syz-executor.2/3951: [ 137.352542] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 137.352568] #1: ffff88800f22f020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 137.352595] [ 137.352595] stack backtrace: [ 137.352598] CPU: 0 PID: 3951 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220915 #1 [ 137.352611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 137.352619] Call Trace: [ 137.352623] [ 137.352628] dump_stack_lvl+0x8b/0xb3 [ 137.352643] check_noncircular+0x263/0x2e0 [ 137.352660] ? format_decode+0x26c/0xb50 [ 137.352676] ? print_circular_bug+0x450/0x450 [ 137.352693] ? enable_ptr_key_workfn+0x20/0x20 [ 137.352708] ? format_decode+0x26c/0xb50 [ 137.352724] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 137.352742] __lock_acquire+0x2a02/0x5e70 [ 137.352766] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 137.352792] lock_acquire+0x1a2/0x530 [ 137.352809] ? down_trylock+0xe/0x70 [ 137.352823] ? rcu_read_unlock+0x40/0x40 [ 137.352844] ? vprintk+0x84/0xa0 [ 137.352863] _raw_spin_lock_irqsave+0x39/0x60 [ 137.352879] ? down_trylock+0xe/0x70 [ 137.352893] down_trylock+0xe/0x70 [ 137.352906] ? vprintk+0x84/0xa0 [ 137.352923] __down_trylock_console_sem+0x3b/0xd0 [ 137.352941] vprintk_emit+0x16b/0x560 [ 137.352961] vprintk+0x84/0xa0 [ 137.352979] _printk+0xba/0xf1 [ 137.352997] ? record_print_text.cold+0x16/0x16 [ 137.353020] ? report_bug.cold+0x66/0xab [ 137.353034] ? group_sched_out.part.0+0x2c7/0x460 [ 137.353046] report_bug.cold+0x72/0xab [ 137.353061] handle_bug+0x3c/0x70 [ 137.353076] exc_invalid_op+0x14/0x50 [ 137.353091] asm_exc_invalid_op+0x16/0x20 [ 137.353109] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 137.353122] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 137.353133] RSP: 0018:ffff88804201fc48 EFLAGS: 00010006 [ 137.353142] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 137.353150] RDX: ffff888041e69ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 137.353158] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 137.353165] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800f22f000 [ 137.353173] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 137.353184] ? group_sched_out.part.0+0x2c7/0x460 [ 137.353197] ? group_sched_out.part.0+0x2c7/0x460 [ 137.353210] ctx_sched_out+0x8f1/0xc10 [ 137.353222] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.353238] ? lock_is_held_type+0xd7/0x130 [ 137.353257] ? __perf_cgroup_move+0x160/0x160 [ 137.353269] ? set_next_entity+0x304/0x550 [ 137.353287] ? update_curr+0x267/0x740 [ 137.353306] ? lock_is_held_type+0xd7/0x130 [ 137.353325] __schedule+0xedd/0x2470 [ 137.353338] ? io_schedule_timeout+0x150/0x150 [ 137.353351] ? rcu_read_lock_sched_held+0x3e/0x80 [ 137.353372] schedule+0xda/0x1b0 [ 137.353384] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.353405] syscall_exit_to_user_mode+0x19/0x40 [ 137.353424] do_syscall_64+0x48/0x90 [ 137.353438] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.353456] RIP: 0033:0x7f0f4f008b19 [ 137.353465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 137.353476] RSP: 002b:00007f0f4c57e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 137.353486] RAX: 0000000000000001 RBX: 00007f0f4f11bf68 RCX: 00007f0f4f008b19 [ 137.353494] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0f4f11bf6c [ 137.353501] RBP: 00007f0f4f11bf60 R08: 000000000000000e R09: 0000000000000000 [ 137.353508] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0f4f11bf6c [ 137.353516] R13: 00007ffc4e6ac30f R14: 00007f0f4c57e300 R15: 0000000000022000 [ 137.353528] [ 137.408670] WARNING: CPU: 0 PID: 3951 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 137.409338] Modules linked in: [ 137.409586] CPU: 0 PID: 3951 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220915 #1 [ 137.410175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 137.410994] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 137.411397] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 137.412722] RSP: 0018:ffff88804201fc48 EFLAGS: 00010006 [ 137.413112] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 137.413638] RDX: ffff888041e69ac0 RSI: ffffffff81566027 RDI: 0000000000000005 [ 137.414161] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 137.414689] R10: 0000000000000000 R11: ffffffff865ac01b R12: ffff88800f22f000 [ 137.415224] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 137.415750] FS: 00007f0f4c57e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 137.416340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.416774] CR2: 00007f2fc31e9de0 CR3: 00000000417a0000 CR4: 0000000000350ef0 [ 137.417300] Call Trace: [ 137.417497] [ 137.417670] ctx_sched_out+0x8f1/0xc10 [ 137.417968] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.418353] ? lock_is_held_type+0xd7/0x130 [ 137.418681] ? __perf_cgroup_move+0x160/0x160 [ 137.419029] ? set_next_entity+0x304/0x550 [ 137.419359] ? update_curr+0x267/0x740 [ 137.419661] ? lock_is_held_type+0xd7/0x130 [ 137.419992] __schedule+0xedd/0x2470 [ 137.420282] ? io_schedule_timeout+0x150/0x150 [ 137.420628] ? rcu_read_lock_sched_held+0x3e/0x80 [ 137.421002] schedule+0xda/0x1b0 [ 137.421270] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.421641] syscall_exit_to_user_mode+0x19/0x40 [ 137.421998] do_syscall_64+0x48/0x90 [ 137.422285] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.422683] RIP: 0033:0x7f0f4f008b19 [ 137.422973] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 137.424281] RSP: 002b:00007f0f4c57e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 137.424837] RAX: 0000000000000001 RBX: 00007f0f4f11bf68 RCX: 00007f0f4f008b19 [ 137.425357] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0f4f11bf6c [ 137.425881] RBP: 00007f0f4f11bf60 R08: 000000000000000e R09: 0000000000000000 [ 137.426407] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0f4f11bf6c [ 137.426933] R13: 00007ffc4e6ac30f R14: 00007f0f4c57e300 R15: 0000000000022000 [ 137.427469] [ 137.427647] irq event stamp: 682 [ 137.427899] hardirqs last enabled at (681): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 137.428588] hardirqs last disabled at (682): [] __schedule+0x1225/0x2470 [ 137.429192] softirqs last enabled at (528): [] __irq_exit_rcu+0x11b/0x180 [ 137.429805] softirqs last disabled at (495): [] __irq_exit_rcu+0x11b/0x180 [ 137.430428] ---[ end trace 0000000000000000 ]--- [ 142.966144] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 147.190159] Bluetooth: hci4: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 13:54:07 Registers: info registers vcpu 0 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b29f1 RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff88804201f698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 R13=ffffffff87641b60 R14=0000000000000010 R15=ffffffff822b29e0 RIP=ffffffff822b2a49 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0f4c57e700 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2fc31e9de0 CR3=00000000417a0000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 00007f0f4f0ef7c0 00007f0f4f0ef7c8 YMM02=0000000000000000 0000000000000000 00007f0f4f0ef7e0 00007f0f4f0ef7c0 YMM03=0000000000000000 0000000000000000 00007f0f4f0ef7c8 00007f0f4f0ef7c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=ffff88801b515180 RBX=ffff88801b515180 RCX=0000000000000000 RDX=ffff888010088000 RSI=ffff88801b515180 RDI=fffffffffffff000 RBP=dffffc0000000000 RSP=ffff888041fa7af8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000080000000 R11=0000000000000001 R12=ffff888041fa7df0 R13=ffff888041fa7df0 R14=0000000000000001 R15=ffff888041fa7c30 RIP=ffffffff81819d86 RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdfbfaf020 CR3=000000001d354000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 000000ff00000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000