Warning: Permanently added '[localhost]:45835' (ECDSA) to the list of known hosts. 2022/09/23 12:17:26 fuzzer started 2022/09/23 12:17:26 dialing manager at localhost:38881 syzkaller login: [ 46.661376] cgroup: Unknown subsys name 'net' [ 46.768045] cgroup: Unknown subsys name 'rlimit' 2022/09/23 12:17:42 syscalls: 2215 2022/09/23 12:17:42 code coverage: enabled 2022/09/23 12:17:42 comparison tracing: enabled 2022/09/23 12:17:42 extra coverage: enabled 2022/09/23 12:17:42 setuid sandbox: enabled 2022/09/23 12:17:42 namespace sandbox: enabled 2022/09/23 12:17:42 Android sandbox: enabled 2022/09/23 12:17:42 fault injection: enabled 2022/09/23 12:17:42 leak checking: enabled 2022/09/23 12:17:42 net packet injection: enabled 2022/09/23 12:17:42 net device setup: enabled 2022/09/23 12:17:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/23 12:17:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/23 12:17:42 USB emulation: enabled 2022/09/23 12:17:42 hci packet injection: enabled 2022/09/23 12:17:42 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220923) 2022/09/23 12:17:42 802.15.4 emulation: enabled 2022/09/23 12:17:42 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/23 12:17:42 fetching corpus: 50, signal 22800/26215 (executing program) 2022/09/23 12:17:42 fetching corpus: 100, signal 42709/47072 (executing program) 2022/09/23 12:17:42 fetching corpus: 150, signal 50261/55717 (executing program) 2022/09/23 12:17:42 fetching corpus: 200, signal 55388/61865 (executing program) 2022/09/23 12:17:42 fetching corpus: 250, signal 62844/70061 (executing program) 2022/09/23 12:17:42 fetching corpus: 300, signal 66289/74361 (executing program) 2022/09/23 12:17:42 fetching corpus: 350, signal 69997/78841 (executing program) 2022/09/23 12:17:43 fetching corpus: 400, signal 74593/84031 (executing program) 2022/09/23 12:17:43 fetching corpus: 450, signal 78677/88631 (executing program) 2022/09/23 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(executing program) 2022/09/23 12:17:48 fetching corpus: 2621, signal 152163/155752 (executing program) 2022/09/23 12:17:48 fetching corpus: 2621, signal 152163/155800 (executing program) 2022/09/23 12:17:48 fetching corpus: 2621, signal 152163/155845 (executing program) 2022/09/23 12:17:49 fetching corpus: 2621, signal 152163/155896 (executing program) 2022/09/23 12:17:49 fetching corpus: 2621, signal 152163/155953 (executing program) 2022/09/23 12:17:49 fetching corpus: 2621, signal 152163/155998 (executing program) 2022/09/23 12:17:49 fetching corpus: 2621, signal 152163/156002 (executing program) 2022/09/23 12:17:49 fetching corpus: 2621, signal 152163/156002 (executing program) 2022/09/23 12:17:51 starting 8 fuzzer processes 12:17:51 executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc1, 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={&(0x7f0000000440), 0xa}}, 0x0, 0x0, 0xffffffffffffffff, 0x9) perf_event_open(&(0x7f0000000280)={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, 0xffffffff, 0x2, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_setup(0xb, &(0x7f0000000140)=0x0) r1 = openat$sr(0xffffffffffffff9c, &(0x7f0000000380), 0x800, 0x0) io_submit(r0, 0x1, &(0x7f0000000180)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f00000003c0)="1b7a1666851945cd80a5a2ac0000000000000000b2122fbfdce63a77a865f0778bd425e749feed51f1439746599f0422a9d32dcef6b20d00ce737d913518a188cb9ad737a3f10ee2333baed5899c00ab0d1cce9ff265d634b3b2996ff3a5a91a9283b3b8cbfac984eccdb937f1d200bf96b5b75d5da9e818e348b4", 0x7b, 0x8, 0x0, 0x2}]) r2 = eventfd2(0x7, 0x0) sendfile(r1, r2, &(0x7f0000000340)=0x5, 0x400) r3 = syz_open_procfs(0x0, &(0x7f0000000100)='net/dev\x00') close(r1) openat(r1, &(0x7f0000000480)='./file2\x00', 0x101042, 0x19b) write(0xffffffffffffffff, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) ioctl$FICLONE(0xffffffffffffffff, 0x40049409, 0xffffffffffffffff) openat(0xffffffffffffffff, 0x0, 0x82040, 0xa) syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'wlan0\x00'}) socket$packet(0x11, 0x3, 0x300) ioctl$F2FS_IOC_FLUSH_DEVICE(0xffffffffffffffff, 0x4008f50a, &(0x7f0000000300)={0x7, 0x5}) read$hiddev(r3, &(0x7f0000000040)=""/169, 0x200000e9) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'veth1_to_team\x00'}) 12:17:51 executing program 1: io_setup(0x3, &(0x7f0000000140)) io_setup(0x2, &(0x7f0000000900)) 12:17:51 executing program 2: syz_open_dev$evdev(&(0x7f0000000000), 0x0, 0x40082) syz_mount_image$iso9660(0x0, 0x0, 0xfffffffffffff000, 0x0, 0x0, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) setxattr$trusted_overlay_opaque(0x0, &(0x7f0000002040), &(0x7f0000002080), 0x2, 0x0) 12:17:51 executing program 3: pkey_alloc(0x0, 0x7) 12:17:51 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_CHANNELS_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x14, r1, 0xc09}, 0x14}}, 0x0) 12:17:51 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) bind$bt_l2cap(r0, &(0x7f0000000380), 0xe) [ 70.981888] audit: type=1400 audit(1663935471.968:6): 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 12:17:51 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:17:52 executing program 7: syslog(0x2, &(0x7f0000000100), 0x0) [ 72.323564] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.325736] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 72.327479] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.329009] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 72.330248] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.331587] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 72.335622] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.337026] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 72.338795] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.340322] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 72.341458] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.342783] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 72.359984] Bluetooth: hci0: HCI_REQ-0x0c1a [ 72.361412] Bluetooth: hci1: HCI_REQ-0x0c1a [ 72.365253] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 72.401323] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 72.408655] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 72.410174] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 72.411516] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 72.413504] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 72.414740] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 72.415882] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 72.417760] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 72.418823] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 72.419828] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 72.425181] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 72.426206] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 72.427379] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 72.431038] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 72.434711] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 72.434740] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 72.435825] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 72.438533] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 72.439977] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 72.458391] Bluetooth: hci3: HCI_REQ-0x0c1a [ 72.459553] Bluetooth: hci5: HCI_REQ-0x0c1a [ 72.461037] Bluetooth: hci6: HCI_REQ-0x0c1a [ 72.516092] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 72.533340] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 72.535145] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 72.537742] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 72.540401] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 72.543870] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 72.546180] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 72.547957] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 72.553036] Bluetooth: hci7: HCI_REQ-0x0c1a [ 72.576608] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 72.579211] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 72.595695] Bluetooth: hci2: HCI_REQ-0x0c1a [ 74.396342] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 74.461383] Bluetooth: hci1: command 0x0409 tx timeout [ 74.461687] Bluetooth: hci0: command 0x0409 tx timeout [ 74.524185] Bluetooth: hci5: command 0x0409 tx timeout [ 74.525308] Bluetooth: hci6: command 0x0409 tx timeout [ 74.525840] Bluetooth: hci3: command 0x0409 tx timeout [ 74.588202] Bluetooth: hci7: command 0x0409 tx timeout [ 74.652203] Bluetooth: hci2: command 0x0409 tx timeout [ 76.508285] Bluetooth: hci1: command 0x041b tx timeout [ 76.509085] Bluetooth: hci0: command 0x041b tx timeout [ 76.572247] Bluetooth: hci3: command 0x041b tx timeout [ 76.572986] Bluetooth: hci6: command 0x041b tx timeout [ 76.574368] Bluetooth: hci5: command 0x041b tx timeout [ 76.636303] Bluetooth: hci7: command 0x041b tx timeout [ 76.700248] Bluetooth: hci2: command 0x041b tx timeout [ 77.477807] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.479589] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.483722] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.492920] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.497413] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 77.499768] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 77.507829] Bluetooth: hci4: HCI_REQ-0x0c1a [ 78.557207] Bluetooth: hci0: command 0x040f tx timeout [ 78.557994] Bluetooth: hci1: command 0x040f tx timeout [ 78.620208] Bluetooth: hci5: command 0x040f tx timeout [ 78.620954] Bluetooth: hci6: command 0x040f tx timeout [ 78.621848] Bluetooth: hci3: command 0x040f tx timeout [ 78.686004] Bluetooth: hci7: command 0x040f tx timeout [ 78.749163] Bluetooth: hci2: command 0x040f tx timeout [ 79.580192] Bluetooth: hci4: command 0x0409 tx timeout [ 80.604206] Bluetooth: hci1: command 0x0419 tx timeout [ 80.604983] Bluetooth: hci0: command 0x0419 tx timeout [ 80.668246] Bluetooth: hci3: command 0x0419 tx timeout [ 80.669048] Bluetooth: hci6: command 0x0419 tx timeout [ 80.669831] Bluetooth: hci5: command 0x0419 tx timeout [ 80.732179] Bluetooth: hci7: command 0x0419 tx timeout [ 80.796269] Bluetooth: hci2: command 0x0419 tx timeout [ 81.628224] Bluetooth: hci4: command 0x041b tx timeout [ 83.676193] Bluetooth: hci4: command 0x040f tx timeout [ 85.724370] Bluetooth: hci4: command 0x0419 tx timeout 12:18:50 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:18:50 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:18:51 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:18:51 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:18:51 executing program 2: syz_mount_image$tmpfs(&(0x7f0000000880), &(0x7f00000008c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001e80)={[{@size={'size', 0x3d, [0x36]}}, {@huge_within_size}, {@size={'size', 0x3d, [0x0]}}]}) [ 130.536342] tmpfs: Unsupported parameter 'huge' [ 130.541261] tmpfs: Unsupported parameter 'huge' 12:18:51 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) 12:18:51 executing program 2: io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0xb, &(0x7f0000000100), 0x4) 12:18:51 executing program 6: syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x21c8a, 0x0) mount$9p_unix(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x20000, 0x0) mount$9p_unix(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x5508, 0x0) [ 130.698532] audit: type=1400 audit(1663935531.688:7): avc: denied { open } for pid=3836 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 [ 130.700763] audit: type=1400 audit(1663935531.688:8): avc: denied { kernel } for pid=3836 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 [ 130.721568] ------------[ cut here ]------------ [ 130.721591] [ 130.721595] ====================================================== [ 130.721598] WARNING: possible circular locking dependency detected [ 130.721602] 6.0.0-rc6-next-20220923 #1 Not tainted [ 130.721609] ------------------------------------------------------ [ 130.721612] syz-executor.2/3837 is trying to acquire lock: [ 130.721619] ffffffff853faaf8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 130.721657] [ 130.721657] but task is already holding lock: [ 130.721660] ffff88800f46d820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 130.721689] [ 130.721689] which lock already depends on the new lock. [ 130.721689] [ 130.721691] [ 130.721691] the existing dependency chain (in reverse order) is: [ 130.721695] [ 130.721695] -> #3 (&ctx->lock){....}-{2:2}: [ 130.721708] _raw_spin_lock+0x2a/0x40 [ 130.721727] __perf_event_task_sched_out+0x53b/0x18d0 [ 130.721739] __schedule+0xedd/0x2470 [ 130.721752] schedule+0xda/0x1b0 [ 130.721765] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.721777] syscall_exit_to_user_mode+0x19/0x40 [ 130.721788] do_syscall_64+0x48/0x90 [ 130.721805] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.721816] [ 130.721816] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 130.721830] _raw_spin_lock_nested+0x30/0x40 [ 130.721848] raw_spin_rq_lock_nested+0x1e/0x30 [ 130.721860] task_fork_fair+0x63/0x4d0 [ 130.721876] sched_cgroup_fork+0x3d0/0x540 [ 130.721890] copy_process+0x4183/0x6e20 [ 130.721900] kernel_clone+0xe7/0x890 [ 130.721909] user_mode_thread+0xad/0xf0 [ 130.721919] rest_init+0x24/0x250 [ 130.721930] arch_call_rest_init+0xf/0x14 [ 130.721948] start_kernel+0x4c1/0x4e6 [ 130.721962] secondary_startup_64_no_verify+0xe0/0xeb [ 130.721976] [ 130.721976] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 130.721990] _raw_spin_lock_irqsave+0x39/0x60 [ 130.722008] try_to_wake_up+0xab/0x1930 [ 130.722021] up+0x75/0xb0 [ 130.722034] __up_console_sem+0x6e/0x80 [ 130.722049] console_unlock+0x46a/0x590 [ 130.722064] do_con_write+0xc05/0x1d50 [ 130.722077] con_write+0x21/0x40 [ 130.722087] n_tty_write+0x4d4/0xfe0 [ 130.722103] file_tty_write.constprop.0+0x49c/0x8f0 [ 130.722118] vfs_write+0x9c3/0xd90 [ 130.722136] ksys_write+0x127/0x250 [ 130.722152] do_syscall_64+0x3b/0x90 [ 130.722168] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.722180] [ 130.722180] -> #0 ((console_sem).lock){....}-{2:2}: [ 130.722193] __lock_acquire+0x2a02/0x5e70 [ 130.722210] lock_acquire+0x1a2/0x530 [ 130.722225] _raw_spin_lock_irqsave+0x39/0x60 [ 130.722243] down_trylock+0xe/0x70 [ 130.722257] __down_trylock_console_sem+0x3b/0xd0 [ 130.722273] vprintk_emit+0x16b/0x560 [ 130.722288] vprintk+0x84/0xa0 [ 130.722304] _printk+0xba/0xf1 [ 130.722315] report_bug.cold+0x72/0xab [ 130.722330] handle_bug+0x3c/0x70 [ 130.722346] exc_invalid_op+0x14/0x50 [ 130.722362] asm_exc_invalid_op+0x16/0x20 [ 130.722373] group_sched_out.part.0+0x2c7/0x460 [ 130.722384] ctx_sched_out+0x8f1/0xc10 [ 130.722393] __perf_event_task_sched_out+0x6d0/0x18d0 [ 130.722406] __schedule+0xedd/0x2470 [ 130.722418] schedule+0xda/0x1b0 [ 130.722431] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.722441] syscall_exit_to_user_mode+0x19/0x40 [ 130.722453] do_syscall_64+0x48/0x90 [ 130.722469] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.722481] [ 130.722481] other info that might help us debug this: [ 130.722481] [ 130.722483] Chain exists of: [ 130.722483] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 130.722483] [ 130.722498] Possible unsafe locking scenario: [ 130.722498] [ 130.722500] CPU0 CPU1 [ 130.722503] ---- ---- [ 130.722505] lock(&ctx->lock); [ 130.722510] lock(&rq->__lock); [ 130.722516] lock(&ctx->lock); [ 130.722522] lock((console_sem).lock); [ 130.722528] [ 130.722528] *** DEADLOCK *** [ 130.722528] [ 130.722530] 2 locks held by syz-executor.2/3837: [ 130.722536] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 130.722565] #1: ffff88800f46d820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 130.722592] [ 130.722592] stack backtrace: [ 130.722595] CPU: 0 PID: 3837 Comm: syz-executor.2 Not tainted 6.0.0-rc6-next-20220923 #1 [ 130.722607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 130.722615] Call Trace: [ 130.722618] [ 130.722623] dump_stack_lvl+0x8b/0xb3 [ 130.722640] check_noncircular+0x263/0x2e0 [ 130.722656] ? format_decode+0x26c/0xb50 [ 130.722673] ? print_circular_bug+0x450/0x450 [ 130.722689] ? enable_ptr_key_workfn+0x20/0x20 [ 130.722705] ? format_decode+0x26c/0xb50 [ 130.722722] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 130.722739] __lock_acquire+0x2a02/0x5e70 [ 130.722760] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 130.722782] lock_acquire+0x1a2/0x530 [ 130.722799] ? down_trylock+0xe/0x70 [ 130.722815] ? lock_release+0x750/0x750 [ 130.722835] ? vprintk+0x84/0xa0 [ 130.722852] _raw_spin_lock_irqsave+0x39/0x60 [ 130.722871] ? down_trylock+0xe/0x70 [ 130.722886] down_trylock+0xe/0x70 [ 130.722902] ? vprintk+0x84/0xa0 [ 130.722918] __down_trylock_console_sem+0x3b/0xd0 [ 130.722935] vprintk_emit+0x16b/0x560 [ 130.722953] vprintk+0x84/0xa0 [ 130.722970] _printk+0xba/0xf1 [ 130.722981] ? record_print_text.cold+0x16/0x16 [ 130.722996] ? report_bug.cold+0x66/0xab [ 130.723014] ? group_sched_out.part.0+0x2c7/0x460 [ 130.723025] report_bug.cold+0x72/0xab [ 130.723043] handle_bug+0x3c/0x70 [ 130.723060] exc_invalid_op+0x14/0x50 [ 130.723077] asm_exc_invalid_op+0x16/0x20 [ 130.723089] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 130.723103] Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 130.723115] RSP: 0018:ffff88803fd6fc48 EFLAGS: 00010006 [ 130.723124] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 130.723131] RDX: ffff88803fd60000 RSI: ffffffff81564fb7 RDI: 0000000000000005 [ 130.723139] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 130.723146] R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88800f46d800 [ 130.723153] R13: ffff88806ce3d140 R14: ffffffff8547d040 R15: 0000000000000002 [ 130.723164] ? group_sched_out.part.0+0x2c7/0x460 [ 130.723177] ? group_sched_out.part.0+0x2c7/0x460 [ 130.723190] ctx_sched_out+0x8f1/0xc10 [ 130.723203] __perf_event_task_sched_out+0x6d0/0x18d0 [ 130.723218] ? lock_is_held_type+0xd7/0x130 [ 130.723231] ? __perf_cgroup_move+0x160/0x160 [ 130.723243] ? set_next_entity+0x304/0x550 [ 130.723260] ? update_curr+0x267/0x740 [ 130.723278] ? lock_is_held_type+0xd7/0x130 [ 130.723292] __schedule+0xedd/0x2470 [ 130.723308] ? io_schedule_timeout+0x150/0x150 [ 130.723324] ? rcu_read_lock_sched_held+0x3e/0x80 [ 130.723344] schedule+0xda/0x1b0 [ 130.723358] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.723370] syscall_exit_to_user_mode+0x19/0x40 [ 130.723383] do_syscall_64+0x48/0x90 [ 130.723400] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.723412] RIP: 0033:0x7f75c4423b19 [ 130.723420] 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 [ 130.723431] RSP: 002b:00007f75c1999218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 130.723442] RAX: 0000000000000001 RBX: 00007f75c4536f68 RCX: 00007f75c4423b19 [ 130.723449] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f75c4536f6c [ 130.723456] RBP: 00007f75c4536f60 R08: 000000000000000e R09: 0000000000000000 [ 130.723463] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f75c4536f6c [ 130.723471] R13: 00007ffe9fcd3a3f R14: 00007f75c1999300 R15: 0000000000022000 [ 130.723485] [ 130.780541] WARNING: CPU: 0 PID: 3837 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 130.781262] Modules linked in: [ 130.781510] CPU: 0 PID: 3837 Comm: syz-executor.2 Not tainted 6.0.0-rc6-next-20220923 #1 [ 130.782142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 130.783001] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 130.783418] Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 130.784821] RSP: 0018:ffff88803fd6fc48 EFLAGS: 00010006 [ 130.785231] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 130.785777] RDX: ffff88803fd60000 RSI: ffffffff81564fb7 RDI: 0000000000000005 [ 130.786330] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 130.786884] R10: 0000000000000000 R11: ffffffff865b001b R12: ffff88800f46d800 [ 130.787417] R13: ffff88806ce3d140 R14: ffffffff8547d040 R15: 0000000000000002 [ 130.787957] FS: 00007f75c1999700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 130.788586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 130.789031] CR2: 00007fa6b2eb26f4 CR3: 000000003f2be000 CR4: 0000000000350ef0 [ 130.789568] Call Trace: [ 130.789769] [ 130.789945] ctx_sched_out+0x8f1/0xc10 [ 130.790249] __perf_event_task_sched_out+0x6d0/0x18d0 [ 130.790644] ? lock_is_held_type+0xd7/0x130 [ 130.790980] ? __perf_cgroup_move+0x160/0x160 [ 130.791326] ? set_next_entity+0x304/0x550 [ 130.791663] ? update_curr+0x267/0x740 [ 130.791981] ? lock_is_held_type+0xd7/0x130 [ 130.792320] __schedule+0xedd/0x2470 [ 130.792610] ? io_schedule_timeout+0x150/0x150 [ 130.792976] ? rcu_read_lock_sched_held+0x3e/0x80 [ 130.793355] schedule+0xda/0x1b0 [ 130.793627] exit_to_user_mode_prepare+0x114/0x1a0 [ 130.794012] syscall_exit_to_user_mode+0x19/0x40 [ 130.794377] do_syscall_64+0x48/0x90 [ 130.794674] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 130.795074] RIP: 0033:0x7f75c4423b19 [ 130.795357] 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 [ 130.796762] RSP: 002b:00007f75c1999218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 130.797344] RAX: 0000000000000001 RBX: 00007f75c4536f68 RCX: 00007f75c4423b19 [ 130.797880] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f75c4536f6c [ 130.798430] RBP: 00007f75c4536f60 R08: 000000000000000e R09: 0000000000000000 [ 130.798982] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f75c4536f6c [ 130.799518] R13: 00007ffe9fcd3a3f R14: 00007f75c1999300 R15: 0000000000022000 [ 130.800076] [ 130.800258] irq event stamp: 624 [ 130.800511] hardirqs last enabled at (623): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 130.801207] hardirqs last disabled at (624): [] __schedule+0x1225/0x2470 [ 130.801840] softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20 [ 130.802468] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 130.802942] ---[ end trace 0000000000000000 ]--- [ 133.623344] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 133.625835] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 133.626995] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 133.628813] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 133.630810] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 133.632061] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 133.635320] Bluetooth: hci7: HCI_REQ-0x0c1a [ 135.452139] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 135.580145] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 135.644145] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 135.644154] Bluetooth: hci7: command 0x0409 tx timeout [ 135.644658] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 137.693945] Bluetooth: hci7: command 0x041b tx timeout [ 137.700462] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 137.702054] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 137.703208] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 137.705167] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 137.706492] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 137.707755] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 137.710569] Bluetooth: hci3: HCI_REQ-0x0c1a [ 137.824612] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 137.826362] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 137.828522] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 137.830625] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 137.832451] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 137.834184] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 137.838175] Bluetooth: hci6: HCI_REQ-0x0c1a [ 139.612130] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 139.740194] Bluetooth: hci3: command 0x0409 tx timeout [ 139.740222] Bluetooth: hci7: command 0x040f tx timeout [ 139.868150] Bluetooth: hci6: command 0x0409 tx timeout [ 139.868667] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 12:18:52 Registers: info registers vcpu 0 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b17e1 RDI=ffffffff87645be0 RBP=ffffffff87645ba0 RSP=ffff88803fd6f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e R13=ffffffff87645ba0 R14=0000000000000010 R15=ffffffff822b17d0 RIP=ffffffff822b1839 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 00007f75c1999700 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=00007fa6b2eb26f4 CR3=000000003f2be000 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 00007f75c450a7c0 00007f75c450a7c8 YMM02=0000000000000000 0000000000000000 00007f75c450a7e0 00007f75c450a7c0 YMM03=0000000000000000 0000000000000000 00007f75c450a7c8 00007f75c450a7c0 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=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11007fa7f08 RSI=ffff88803fd3fc30 RDI=ffff88803fd3f848 RBP=0000000000000070 RSP=ffff88803fd3f778 R8 =ffffffff85ece0c6 R9 =ffffffff85ece0ca R10=ffffed1007fa7f0c R11=ffff88803fd3f838 R12=ffff88803fd3f839 R13=ffff88803fd3f858 R14=ffff88803fd3f7f8 R15=0000000000000003 RIP=ffffffff8111b7c2 RFL=00000246 [---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 =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=00007f2b11c15260 CR3=000000003f514000 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 2e6f747079726362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00312e312e6f732e 6f74707972636269 YMM03=0000000000000000 0000000000000000 6c2f756e672d7875 6e696c2d34365f36 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