Warning: Permanently added '[localhost]:51319' (ECDSA) to the list of known hosts. 2022/09/16 13:16:31 fuzzer started 2022/09/16 13:16:32 dialing manager at localhost:36051 syzkaller login: [ 44.130276] cgroup: Unknown subsys name 'net' [ 44.222620] cgroup: Unknown subsys name 'rlimit' 2022/09/16 13:16:45 syscalls: 2215 2022/09/16 13:16:45 code coverage: enabled 2022/09/16 13:16:45 comparison tracing: enabled 2022/09/16 13:16:45 extra coverage: enabled 2022/09/16 13:16:45 setuid sandbox: enabled 2022/09/16 13:16:45 namespace sandbox: enabled 2022/09/16 13:16:45 Android sandbox: enabled 2022/09/16 13:16:45 fault injection: enabled 2022/09/16 13:16:45 leak checking: enabled 2022/09/16 13:16:45 net packet injection: enabled 2022/09/16 13:16:45 net device setup: enabled 2022/09/16 13:16:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/16 13:16:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/16 13:16:45 USB emulation: enabled 2022/09/16 13:16:45 hci packet injection: enabled 2022/09/16 13:16:45 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220916) 2022/09/16 13:16:45 802.15.4 emulation: enabled 2022/09/16 13:16:45 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/16 13:16:45 fetching corpus: 50, signal 33307/36773 (executing program) 2022/09/16 13:16:46 fetching corpus: 100, signal 51139/55859 (executing program) 2022/09/16 13:16:46 fetching corpus: 150, signal 56816/62915 (executing program) 2022/09/16 13:16:46 fetching corpus: 200, signal 62007/69406 (executing program) 2022/09/16 13:16:46 fetching corpus: 250, signal 67976/76587 (executing program) 2022/09/16 13:16:46 fetching corpus: 300, signal 76153/85683 (executing program) 2022/09/16 13:16:46 fetching corpus: 350, signal 81278/91834 (executing program) 2022/09/16 13:16:47 fetching corpus: 400, signal 89539/100811 (executing program) 2022/09/16 13:16:47 fetching corpus: 450, signal 93714/105887 (executing program) 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2022/09/16 13:17:02 fetching corpus: 5850, signal 232329/241370 (executing program) 2022/09/16 13:17:02 fetching corpus: 5900, signal 233064/241381 (executing program) 2022/09/16 13:17:02 fetching corpus: 5950, signal 233862/241389 (executing program) 2022/09/16 13:17:02 fetching corpus: 5998, signal 234410/241408 (executing program) 2022/09/16 13:17:02 fetching corpus: 5998, signal 234410/241408 (executing program) 2022/09/16 13:17:04 starting 8 fuzzer processes 13:17:04 executing program 0: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) setsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, &(0x7f0000001480), 0x4) 13:17:04 executing program 1: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/rcu_normal', 0x0, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000002480)='fd/3\x00') sendfile(r1, r0, 0x0, 0x3) 13:17:04 executing program 2: syz_open_dev$loop(0x0, 0x0, 0x0) 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, 0x0, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2, 0x32261, 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) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r1, 0x40047211, &(0x7f0000000040)=0x10) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000001200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00}}, './file0\x00'}) fcntl$dupfd(r0, 0x0, 0xffffffffffffffff) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000000)={'lo\x00'}) perf_event_open(&(0x7f0000001840)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000001800), 0xd}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) write(r1, &(0x7f0000000080)="01", 0x41030) 13:17:04 executing program 3: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f000000c340)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000140)={0x24, 0x2c, 0xe21, 0x0, 0x0, "", [@generic="8e274d9475aab6f2cc4ee871c650108390"]}, 0x24}], 0x1}, 0x0) 13:17:04 executing program 4: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000000000)={0xfffc}) 13:17:04 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f0000000080)='./file0\x00', 0xe0000064) r1 = inotify_init() inotify_add_watch(r1, &(0x7f0000000000)='./file0\x00', 0x4000120) inotify_add_watch(r1, &(0x7f0000002800)='./file0\x00', 0x20000040) [ 76.501920] audit: type=1400 audit(1663334224.727:6): avc: denied { execmem } for pid=289 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 13:17:04 executing program 6: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_WOL_SET(r0, &(0x7f00000019c0)={&(0x7f00000002c0), 0xc, &(0x7f0000001980)={&(0x7f00000004c0)={0x14, r1, 0x1}, 0x14}}, 0x0) 13:17:04 executing program 7: r0 = syz_io_uring_setup(0xfa7, &(0x7f0000000080), &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) socket$inet_tcp(0x2, 0x1, 0x0) 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(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0xffffffffffffffff, 0x0) r2 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_PERSONALITY(r0, 0xa, 0x0, r2) syz_io_uring_complete(r1) [ 77.762430] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.764430] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.769317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.776737] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.780931] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.785138] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.791365] Bluetooth: hci0: HCI_REQ-0x0c1a [ 77.825543] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.833589] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.841006] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 77.858894] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 77.890588] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.892209] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 77.894096] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.895232] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 77.896422] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 77.897598] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.901831] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 77.902968] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.904782] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 77.904826] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 77.907139] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 77.908240] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 77.909353] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 77.912251] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 77.914321] Bluetooth: hci4: HCI_REQ-0x0c1a [ 77.916551] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 77.917619] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.934727] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 77.941431] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 77.942419] Bluetooth: hci2: HCI_REQ-0x0c1a [ 77.956080] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 77.959902] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 77.964601] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 77.966419] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 77.968192] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 77.980028] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 77.984235] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 77.985593] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 77.985802] Bluetooth: hci6: HCI_REQ-0x0c1a [ 78.009359] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 78.014360] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 78.016046] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 78.017791] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 78.025005] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 78.030988] Bluetooth: hci3: HCI_REQ-0x0c1a [ 78.040460] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 78.047343] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 78.055951] Bluetooth: hci7: HCI_REQ-0x0c1a [ 79.846234] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 79.871683] Bluetooth: hci0: command 0x0409 tx timeout [ 79.971803] Bluetooth: hci2: command 0x0409 tx timeout [ 79.973114] Bluetooth: hci4: command 0x0409 tx timeout [ 79.973685] Bluetooth: hci5: command 0x0409 tx timeout [ 80.035691] Bluetooth: hci6: command 0x0409 tx timeout [ 80.099687] Bluetooth: hci7: command 0x0409 tx timeout [ 80.100333] Bluetooth: hci3: command 0x0409 tx timeout [ 81.891766] Bluetooth: hci0: command 0x041b tx timeout [ 82.019794] Bluetooth: hci5: command 0x041b tx timeout [ 82.021046] Bluetooth: hci4: command 0x041b tx timeout [ 82.022138] Bluetooth: hci2: command 0x041b tx timeout [ 82.083751] Bluetooth: hci6: command 0x041b tx timeout [ 82.147893] Bluetooth: hci3: command 0x041b tx timeout [ 82.149040] Bluetooth: hci7: command 0x041b tx timeout [ 83.192435] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 83.196120] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 83.206039] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 83.211021] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 83.212795] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 83.213457] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 83.255697] Bluetooth: hci1: HCI_REQ-0x0c1a [ 83.939730] Bluetooth: hci0: command 0x040f tx timeout [ 84.067759] Bluetooth: hci2: command 0x040f tx timeout [ 84.068254] Bluetooth: hci4: command 0x040f tx timeout [ 84.068707] Bluetooth: hci5: command 0x040f tx timeout [ 84.131704] Bluetooth: hci6: command 0x040f tx timeout [ 84.195678] Bluetooth: hci7: command 0x040f tx timeout [ 84.196143] Bluetooth: hci3: command 0x040f tx timeout [ 85.283700] Bluetooth: hci1: command 0x0409 tx timeout [ 85.987762] Bluetooth: hci0: command 0x0419 tx timeout [ 86.115703] Bluetooth: hci5: command 0x0419 tx timeout [ 86.116196] Bluetooth: hci4: command 0x0419 tx timeout [ 86.116613] Bluetooth: hci2: command 0x0419 tx timeout [ 86.179680] Bluetooth: hci6: command 0x0419 tx timeout [ 86.243750] Bluetooth: hci3: command 0x0419 tx timeout [ 86.244221] Bluetooth: hci7: command 0x0419 tx timeout [ 87.331773] Bluetooth: hci1: command 0x041b tx timeout [ 89.379840] Bluetooth: hci1: command 0x040f tx timeout [ 91.427728] Bluetooth: hci1: command 0x0419 tx timeout 13:18:02 executing program 4: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000000000)={0xfffc}) 13:18:02 executing program 4: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000000000)={0xfffc}) 13:18:02 executing program 4: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000000000)={0xfffc}) 13:18:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',access=any,cache=none,debug=0']) 13:18:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',access=any,cache=none,debug=0']) 13:18:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',access=any,cache=none,debug=0']) 13:18:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) clone3(&(0x7f0000000640)={0x123363500, &(0x7f00000000c0), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1, @ANYBLOB=',access=any,cache=none,debug=0']) 13:18:03 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000080)={'syz_tun\x00', &(0x7f0000000000)=@ethtool_sset_info={0x49}}) [ 135.389855] audit: type=1400 audit(1663334283.615:7): avc: denied { open } for pid=3834 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 [ 135.391844] audit: type=1400 audit(1663334283.615:8): avc: denied { kernel } for pid=3834 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 [ 135.412508] ------------[ cut here ]------------ [ 135.412529] [ 135.412531] ====================================================== [ 135.412534] WARNING: possible circular locking dependency detected [ 135.412539] 6.0.0-rc5-next-20220916 #1 Not tainted [ 135.412545] ------------------------------------------------------ [ 135.412549] syz-executor.2/3837 is trying to acquire lock: [ 135.412555] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 135.412593] [ 135.412593] but task is already holding lock: [ 135.412595] ffff88800e78d820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.412626] [ 135.412626] which lock already depends on the new lock. [ 135.412626] [ 135.412629] [ 135.412629] the existing dependency chain (in reverse order) is: [ 135.412633] [ 135.412633] -> #3 (&ctx->lock){....}-{2:2}: [ 135.412650] _raw_spin_lock+0x2a/0x40 [ 135.412667] __perf_event_task_sched_out+0x53b/0x18d0 [ 135.412679] __schedule+0xedd/0x2470 [ 135.412690] schedule+0xda/0x1b0 [ 135.412699] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.412719] syscall_exit_to_user_mode+0x19/0x40 [ 135.412737] do_syscall_64+0x48/0x90 [ 135.412751] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.412768] [ 135.412768] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 135.412781] _raw_spin_lock_nested+0x30/0x40 [ 135.412796] raw_spin_rq_lock_nested+0x1e/0x30 [ 135.412809] task_fork_fair+0x63/0x4d0 [ 135.412825] sched_cgroup_fork+0x3d0/0x540 [ 135.412839] copy_process+0x4183/0x6e20 [ 135.412849] kernel_clone+0xe7/0x890 [ 135.412859] user_mode_thread+0xad/0xf0 [ 135.412869] rest_init+0x24/0x250 [ 135.412885] arch_call_rest_init+0xf/0x14 [ 135.412897] start_kernel+0x4c1/0x4e6 [ 135.412907] secondary_startup_64_no_verify+0xe0/0xeb [ 135.412921] [ 135.412921] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 135.412934] _raw_spin_lock_irqsave+0x39/0x60 [ 135.412949] try_to_wake_up+0xab/0x1920 [ 135.412962] up+0x75/0xb0 [ 135.412973] __up_console_sem+0x6e/0x80 [ 135.412988] console_unlock+0x46a/0x590 [ 135.413004] vt_ioctl+0x2822/0x2ca0 [ 135.413017] tty_ioctl+0x7c4/0x1700 [ 135.413028] __x64_sys_ioctl+0x19a/0x210 [ 135.413044] do_syscall_64+0x3b/0x90 [ 135.413057] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.413074] [ 135.413074] -> #0 ((console_sem).lock){....}-{2:2}: [ 135.413087] __lock_acquire+0x2a02/0x5e70 [ 135.413103] lock_acquire+0x1a2/0x530 [ 135.413118] _raw_spin_lock_irqsave+0x39/0x60 [ 135.413133] down_trylock+0xe/0x70 [ 135.413145] __down_trylock_console_sem+0x3b/0xd0 [ 135.413161] vprintk_emit+0x16b/0x560 [ 135.413177] vprintk+0x84/0xa0 [ 135.413192] _printk+0xba/0xf1 [ 135.413210] report_bug.cold+0x72/0xab [ 135.413222] handle_bug+0x3c/0x70 [ 135.413235] exc_invalid_op+0x14/0x50 [ 135.413248] asm_exc_invalid_op+0x16/0x20 [ 135.413264] group_sched_out.part.0+0x2c7/0x460 [ 135.413275] ctx_sched_out+0x8f1/0xc10 [ 135.413284] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.413296] __schedule+0xedd/0x2470 [ 135.413306] schedule+0xda/0x1b0 [ 135.413316] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.413334] syscall_exit_to_user_mode+0x19/0x40 [ 135.413351] do_syscall_64+0x48/0x90 [ 135.413364] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.413380] [ 135.413380] other info that might help us debug this: [ 135.413380] [ 135.413383] Chain exists of: [ 135.413383] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 135.413383] [ 135.413398] Possible unsafe locking scenario: [ 135.413398] [ 135.413400] CPU0 CPU1 [ 135.413403] ---- ---- [ 135.413405] lock(&ctx->lock); [ 135.413411] lock(&rq->__lock); [ 135.413417] lock(&ctx->lock); [ 135.413423] lock((console_sem).lock); [ 135.413429] [ 135.413429] *** DEADLOCK *** [ 135.413429] [ 135.413431] 2 locks held by syz-executor.2/3837: [ 135.413438] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 135.413463] #1: ffff88800e78d820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.413490] [ 135.413490] stack backtrace: [ 135.413493] CPU: 1 PID: 3837 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220916 #1 [ 135.413506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.413514] Call Trace: [ 135.413517] [ 135.413522] dump_stack_lvl+0x8b/0xb3 [ 135.413536] check_noncircular+0x263/0x2e0 [ 135.413552] ? format_decode+0x26c/0xb50 [ 135.413568] ? print_circular_bug+0x450/0x450 [ 135.413585] ? enable_ptr_key_workfn+0x20/0x20 [ 135.413600] ? format_decode+0x26c/0xb50 [ 135.413615] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 135.413633] __lock_acquire+0x2a02/0x5e70 [ 135.413654] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 135.413676] lock_acquire+0x1a2/0x530 [ 135.413692] ? down_trylock+0xe/0x70 [ 135.413706] ? rcu_read_unlock+0x40/0x40 [ 135.413726] ? vprintk+0x84/0xa0 [ 135.413744] _raw_spin_lock_irqsave+0x39/0x60 [ 135.413759] ? down_trylock+0xe/0x70 [ 135.413772] down_trylock+0xe/0x70 [ 135.413785] ? vprintk+0x84/0xa0 [ 135.413802] __down_trylock_console_sem+0x3b/0xd0 [ 135.413819] vprintk_emit+0x16b/0x560 [ 135.413837] vprintk+0x84/0xa0 [ 135.413854] _printk+0xba/0xf1 [ 135.413872] ? record_print_text.cold+0x16/0x16 [ 135.413894] ? report_bug.cold+0x66/0xab [ 135.413908] ? group_sched_out.part.0+0x2c7/0x460 [ 135.413919] report_bug.cold+0x72/0xab [ 135.413935] handle_bug+0x3c/0x70 [ 135.413948] exc_invalid_op+0x14/0x50 [ 135.413963] asm_exc_invalid_op+0x16/0x20 [ 135.413980] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.413993] 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 [ 135.414005] RSP: 0018:ffff88804136fc48 EFLAGS: 00010006 [ 135.414014] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.414021] RDX: ffff88800ff63580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.414029] RBP: ffff8880419a0000 R08: 0000000000000005 R09: 0000000000000001 [ 135.414036] R10: 0000000000000000 R11: ffffffff865ac05b R12: ffff88800e78d800 [ 135.414044] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 135.414055] ? group_sched_out.part.0+0x2c7/0x460 [ 135.414068] ? group_sched_out.part.0+0x2c7/0x460 [ 135.414081] ctx_sched_out+0x8f1/0xc10 [ 135.414093] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.414108] ? lock_is_held_type+0xd7/0x130 [ 135.414127] ? __perf_cgroup_move+0x160/0x160 [ 135.414139] ? set_next_entity+0x304/0x550 [ 135.414160] ? update_curr+0x267/0x740 [ 135.414184] ? lock_is_held_type+0xd7/0x130 [ 135.414203] __schedule+0xedd/0x2470 [ 135.414220] ? io_schedule_timeout+0x150/0x150 [ 135.414233] ? rcu_read_lock_sched_held+0x3e/0x80 [ 135.414254] schedule+0xda/0x1b0 [ 135.414266] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.414287] syscall_exit_to_user_mode+0x19/0x40 [ 135.414306] do_syscall_64+0x48/0x90 [ 135.414320] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.414338] RIP: 0033:0x7f7f3aa66b19 [ 135.414347] 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 [ 135.414358] RSP: 002b:00007f7f37fdc218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.414374] RAX: 0000000000000001 RBX: 00007f7f3ab79f68 RCX: 00007f7f3aa66b19 [ 135.414382] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7f3ab79f6c [ 135.414389] RBP: 00007f7f3ab79f60 R08: 000000000000000e R09: 0000000000000000 [ 135.414396] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7f3ab79f6c [ 135.414403] R13: 00007ffed3ccf9bf R14: 00007f7f37fdc300 R15: 0000000000022000 [ 135.414416] [ 135.473303] WARNING: CPU: 1 PID: 3837 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 135.473916] Modules linked in: [ 135.474131] CPU: 1 PID: 3837 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220916 #1 [ 135.474662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.475387] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.475745] 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 [ 135.476917] RSP: 0018:ffff88804136fc48 EFLAGS: 00010006 [ 135.477270] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.477737] RDX: ffff88800ff63580 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.478201] RBP: ffff8880419a0000 R08: 0000000000000005 R09: 0000000000000001 [ 135.478676] R10: 0000000000000000 R11: ffffffff865ac05b R12: ffff88800e78d800 [ 135.479144] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 135.479612] FS: 00007f7f37fdc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 135.480136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 135.480517] CR2: 00007fc2df4bb8e0 CR3: 000000000e48a000 CR4: 0000000000350ee0 [ 135.480980] Call Trace: [ 135.481154] [ 135.481310] ctx_sched_out+0x8f1/0xc10 [ 135.481572] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.481920] ? lock_is_held_type+0xd7/0x130 [ 135.482218] ? __perf_cgroup_move+0x160/0x160 [ 135.482526] ? set_next_entity+0x304/0x550 [ 135.482817] ? update_curr+0x267/0x740 [ 135.483086] ? lock_is_held_type+0xd7/0x130 [ 135.483380] __schedule+0xedd/0x2470 [ 135.483643] ? io_schedule_timeout+0x150/0x150 [ 135.483950] ? rcu_read_lock_sched_held+0x3e/0x80 [ 135.484280] schedule+0xda/0x1b0 [ 135.484513] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.484847] syscall_exit_to_user_mode+0x19/0x40 [ 135.485170] do_syscall_64+0x48/0x90 [ 135.485425] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.485772] RIP: 0033:0x7f7f3aa66b19 [ 135.486022] 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 [ 135.487203] RSP: 002b:00007f7f37fdc218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.487699] RAX: 0000000000000001 RBX: 00007f7f3ab79f68 RCX: 00007f7f3aa66b19 [ 135.488161] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7f3ab79f6c [ 135.488625] RBP: 00007f7f3ab79f60 R08: 000000000000000e R09: 0000000000000000 [ 135.489089] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7f3ab79f6c [ 135.489586] R13: 00007ffed3ccf9bf R14: 00007f7f37fdc300 R15: 0000000000022000 [ 135.490099] [ 135.490272] irq event stamp: 718 [ 135.490525] hardirqs last enabled at (717): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 135.491187] hardirqs last disabled at (718): [] __schedule+0x1225/0x2470 [ 135.491774] softirqs last enabled at (290): [] __irq_exit_rcu+0x11b/0x180 [ 135.492368] softirqs last disabled at (257): [] __irq_exit_rcu+0x11b/0x180 [ 135.492921] ---[ end trace 0000000000000000 ]--- [ 141.027824] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 145.251839] Bluetooth: hci6: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 13:18:03 Registers: info registers vcpu 0 RAX=000000000003e680 RBX=0000000000000046 RCX=0000000000000000 RDX=1ffff110010a392a RSI=0000000000000000 RDI=0000000000000000 RBP=ffffffff84de68e0 RSP=ffff88804183fc28 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff848f7640 R14=ffff88800851c000 R15=0000000000000000 RIP=ffffffff84244021 RFL=00000046 [---Z-P-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f34a50f3540 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=00007f34a55a6008 CR3=00000000407c8000 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 ffff00ffffffffff ffffffffffff00ff YMM02=0000000000000000 0000000000000000 4c4700362e322e32 5f4342494c470035 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000470035 YMM04=0000000000000000 0000000000000000 4342494c4700362e 322e325f4342494c 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 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b3251 RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff88804136f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e R13=ffffffff87641b60 R14=0000000000000010 R15=ffffffff822b3240 RIP=ffffffff822b32a9 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 00007f7f37fdc700 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=00007fc2df4bb8e0 CR3=000000000e48a000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 322e6f732e6c6462 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00322e6f732e6c64 62696c2f756e672d YMM03=0000000000000000 0000000000000000 78756e696c2d3436 5f3638782f62696c YMM04=0000000000000000 0000000000000000 0000000000000000 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