Warning: Permanently added '[localhost]:12712' (ECDSA) to the list of known hosts. 2022/10/01 03:17:19 fuzzer started 2022/10/01 03:17:19 dialing manager at localhost:35095 syzkaller login: [ 44.306261] cgroup: Unknown subsys name 'net' [ 44.400809] cgroup: Unknown subsys name 'rlimit' 2022/10/01 03:17:33 syscalls: 2215 2022/10/01 03:17:33 code coverage: enabled 2022/10/01 03:17:33 comparison tracing: enabled 2022/10/01 03:17:33 extra coverage: enabled 2022/10/01 03:17:33 setuid sandbox: enabled 2022/10/01 03:17:33 namespace sandbox: enabled 2022/10/01 03:17:33 Android sandbox: enabled 2022/10/01 03:17:33 fault injection: enabled 2022/10/01 03:17:33 leak checking: enabled 2022/10/01 03:17:33 net packet injection: enabled 2022/10/01 03:17:33 net device setup: enabled 2022/10/01 03:17:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/10/01 03:17:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/10/01 03:17:33 USB emulation: enabled 2022/10/01 03:17:33 hci packet injection: enabled 2022/10/01 03:17:33 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220930) 2022/10/01 03:17:33 802.15.4 emulation: enabled 2022/10/01 03:17:33 fetching corpus: 0, signal 0/2000 (executing program) 2022/10/01 03:17:33 fetching corpus: 50, signal 27733/31060 (executing program) 2022/10/01 03:17:33 fetching corpus: 100, signal 37287/41960 (executing program) 2022/10/01 03:17:33 fetching corpus: 150, signal 46594/52413 (executing program) 2022/10/01 03:17:34 fetching corpus: 200, signal 50200/57293 (executing program) 2022/10/01 03:17:34 fetching corpus: 250, signal 53376/61663 (executing program) 2022/10/01 03:17:34 fetching corpus: 300, signal 57248/66602 (executing program) 2022/10/01 03:17:34 fetching corpus: 350, signal 60737/71067 (executing program) 2022/10/01 03:17:34 fetching corpus: 400, signal 65191/76361 (executing program) 2022/10/01 03:17:34 fetching corpus: 450, signal 68779/80811 (executing program) 2022/10/01 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program) 2022/10/01 03:17:40 fetching corpus: 2900, signal 154231/166813 (executing program) 2022/10/01 03:17:40 fetching corpus: 2950, signal 155196/167282 (executing program) 2022/10/01 03:17:41 fetching corpus: 3000, signal 157322/168064 (executing program) 2022/10/01 03:17:41 fetching corpus: 3050, signal 158221/168493 (executing program) 2022/10/01 03:17:41 fetching corpus: 3100, signal 158834/168835 (executing program) 2022/10/01 03:17:41 fetching corpus: 3150, signal 159789/169237 (executing program) 2022/10/01 03:17:41 fetching corpus: 3200, signal 160238/169460 (executing program) 2022/10/01 03:17:41 fetching corpus: 3250, signal 160772/169764 (executing program) 2022/10/01 03:17:41 fetching corpus: 3300, signal 161328/170030 (executing program) 2022/10/01 03:17:41 fetching corpus: 3350, signal 162157/170307 (executing program) 2022/10/01 03:17:41 fetching corpus: 3400, signal 162857/170551 (executing program) 2022/10/01 03:17:42 fetching corpus: 3450, signal 163547/170783 (executing program) 2022/10/01 03:17:42 fetching corpus: 3500, signal 164446/171088 (executing program) 2022/10/01 03:17:42 fetching corpus: 3550, signal 165200/171265 (executing program) 2022/10/01 03:17:42 fetching corpus: 3600, signal 165816/171448 (executing program) 2022/10/01 03:17:42 fetching corpus: 3650, signal 166336/171605 (executing program) 2022/10/01 03:17:42 fetching corpus: 3700, signal 166992/171770 (executing program) 2022/10/01 03:17:42 fetching corpus: 3750, signal 167677/171906 (executing program) 2022/10/01 03:17:42 fetching corpus: 3800, signal 168293/172003 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172101 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172140 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172183 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172242 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172297 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172355 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172404 (executing program) 2022/10/01 03:17:42 fetching corpus: 3835, signal 168725/172404 (executing program) 2022/10/01 03:17:45 starting 8 fuzzer processes 03:17:45 executing program 0: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000200), &(0x7f0000000280)={&(0x7f0000000240), 0x8}) 03:17:45 executing program 1: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x77, 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) ioprio_set$pid(0x2, 0x0, 0x0) ioprio_get$pid(0x1, 0x0) 03:17:45 executing program 2: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f00000006c0), 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) 03:17:45 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x50}, {0x6}]}) [ 70.242485] audit: type=1400 audit(1664594265.622:6): avc: denied { execmem } for pid=285 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 03:17:45 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000180), 0x0, 0x0) ioctl$SG_SET_KEEP_ORPHAN(r0, 0x2287, &(0x7f00000003c0)) 03:17:45 executing program 5: r0 = syz_io_uring_setup(0xed6, &(0x7f0000000100), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000000180), &(0x7f0000000040)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x17, &(0x7f0000000600), 0x0) 03:17:45 executing program 6: r0 = syz_io_uring_setup(0xeaf, &(0x7f0000000200), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r2, &(0x7f00000006c0)=@IORING_OP_SENDMSG={0x9, 0x2bb64ebd7e4dd765, 0x0, 0xffffffffffffffff, 0x0, 0x0}, 0x0) syz_io_uring_setup(0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000ffd000/0x2000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100), &(0x7f0000000140)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000000500)=@IORING_OP_LINK_TIMEOUT={0xf, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) io_uring_enter(r0, 0x100001, 0x0, 0x0, 0x0, 0x0) 03:17:45 executing program 7: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000001c0)={0x14, 0x15, 0x101, 0x0, 0x0, "", [@nested={0xa}]}, 0x14}], 0x1}, 0x0) [ 71.457336] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 71.459916] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.461757] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 71.464126] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.474258] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.475630] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 71.483276] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.486644] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.491481] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.497051] Bluetooth: hci0: HCI_REQ-0x0c1a [ 71.502654] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 71.517135] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 71.518612] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 71.527106] Bluetooth: hci1: HCI_REQ-0x0c1a [ 71.550317] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 71.557005] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 71.558457] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 71.559953] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 71.562083] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 71.563673] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 71.565508] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 71.567456] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 71.568539] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 71.570009] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 71.571067] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 71.575158] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 71.576366] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 71.577543] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 71.579759] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 71.582235] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 71.583569] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 71.585188] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 71.585245] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 71.588340] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 71.589402] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 71.589978] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 71.596375] Bluetooth: hci6: HCI_REQ-0x0c1a [ 71.598948] Bluetooth: hci7: HCI_REQ-0x0c1a [ 71.599294] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 71.612176] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 71.614074] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 71.615407] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 71.617314] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 71.618499] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 71.620520] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 71.622598] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 71.624070] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 71.628205] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 71.631433] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 71.631624] Bluetooth: hci2: HCI_REQ-0x0c1a [ 71.633920] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 71.635267] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 71.642117] Bluetooth: hci4: HCI_REQ-0x0c1a [ 71.643802] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 71.654066] Bluetooth: hci5: HCI_REQ-0x0c1a [ 71.667544] Bluetooth: hci3: HCI_REQ-0x0c1a [ 73.528189] Bluetooth: hci0: command 0x0409 tx timeout [ 73.591778] Bluetooth: hci1: command 0x0409 tx timeout [ 73.655801] Bluetooth: hci4: command 0x0409 tx timeout [ 73.656582] Bluetooth: hci2: command 0x0409 tx timeout [ 73.657215] Bluetooth: hci7: command 0x0409 tx timeout [ 73.657834] Bluetooth: hci6: command 0x0409 tx timeout [ 73.719803] Bluetooth: hci3: command 0x0409 tx timeout [ 73.720477] Bluetooth: hci5: command 0x0409 tx timeout [ 75.575723] Bluetooth: hci0: command 0x041b tx timeout [ 75.639808] Bluetooth: hci1: command 0x041b tx timeout [ 75.704335] Bluetooth: hci6: command 0x041b tx timeout [ 75.704976] Bluetooth: hci7: command 0x041b tx timeout [ 75.705387] Bluetooth: hci2: command 0x041b tx timeout [ 75.705836] Bluetooth: hci4: command 0x041b tx timeout [ 75.767839] Bluetooth: hci5: command 0x041b tx timeout [ 75.768276] Bluetooth: hci3: command 0x041b tx timeout [ 77.623780] Bluetooth: hci0: command 0x040f tx timeout [ 77.687741] Bluetooth: hci1: command 0x040f tx timeout [ 77.751794] Bluetooth: hci4: command 0x040f tx timeout [ 77.752270] Bluetooth: hci2: command 0x040f tx timeout [ 77.752720] Bluetooth: hci7: command 0x040f tx timeout [ 77.753130] Bluetooth: hci6: command 0x040f tx timeout [ 77.815748] Bluetooth: hci3: command 0x040f tx timeout [ 77.816215] Bluetooth: hci5: command 0x040f tx timeout [ 79.671736] Bluetooth: hci0: command 0x0419 tx timeout [ 79.735736] Bluetooth: hci1: command 0x0419 tx timeout [ 79.799807] Bluetooth: hci6: command 0x0419 tx timeout [ 79.800268] Bluetooth: hci7: command 0x0419 tx timeout [ 79.800639] Bluetooth: hci2: command 0x0419 tx timeout [ 79.801049] Bluetooth: hci4: command 0x0419 tx timeout [ 79.863759] Bluetooth: hci5: command 0x0419 tx timeout [ 79.864216] Bluetooth: hci3: command 0x0419 tx timeout 03:18:43 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000180), 0x0, 0x0) ioctl$SG_SET_KEEP_ORPHAN(r0, 0x2287, &(0x7f00000003c0)) 03:18:43 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000180), 0x0, 0x0) ioctl$SG_SET_KEEP_ORPHAN(r0, 0x2287, &(0x7f00000003c0)) 03:18:43 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000180), 0x0, 0x0) ioctl$SG_SET_KEEP_ORPHAN(r0, 0x2287, &(0x7f00000003c0)) 03:18:44 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x32, 0x0, 0x0) 03:18:44 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x32, 0x0, 0x0) 03:18:44 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x32, 0x0, 0x0) 03:18:44 executing program 7: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000001c0)={0x14, 0x15, 0x101, 0x0, 0x0, "", [@nested={0xa}]}, 0x14}], 0x1}, 0x0) 03:18:44 executing program 7: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000001c0)={0x14, 0x15, 0x101, 0x0, 0x0, "", [@nested={0xa}]}, 0x14}], 0x1}, 0x0) [ 133.137524] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 133.139205] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 133.141047] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 133.142584] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 133.143622] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 133.145120] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 133.146525] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 133.148012] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 133.150354] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 133.151454] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 133.153572] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 133.154909] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 133.157405] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 133.158448] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 133.159868] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 133.163166] Bluetooth: hci3: HCI_REQ-0x0c1a [ 133.164029] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 133.172448] Bluetooth: hci1: HCI_REQ-0x0c1a [ 133.173439] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 133.182420] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 133.183758] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 133.186016] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 133.187552] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 133.191936] Bluetooth: hci0: HCI_REQ-0x0c1a [ 133.235950] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 133.249246] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 133.250660] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 133.259357] Bluetooth: hci5: HCI_REQ-0x0c1a [ 135.223829] Bluetooth: hci1: command 0x0409 tx timeout [ 135.225078] Bluetooth: hci3: command 0x0409 tx timeout [ 135.226083] Bluetooth: hci0: command 0x0409 tx timeout [ 135.287868] Bluetooth: hci5: command 0x0409 tx timeout [ 135.289470] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 137.271928] Bluetooth: hci0: command 0x041b tx timeout [ 137.272435] Bluetooth: hci3: command 0x041b tx timeout [ 137.272920] Bluetooth: hci1: command 0x041b tx timeout [ 137.335821] Bluetooth: hci5: command 0x041b tx timeout [ 139.319786] Bluetooth: hci1: command 0x040f tx timeout [ 139.320567] Bluetooth: hci3: command 0x040f tx timeout [ 139.321387] Bluetooth: hci0: command 0x040f tx timeout [ 139.384129] Bluetooth: hci5: command 0x040f tx timeout [ 139.831809] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 141.368079] Bluetooth: hci0: command 0x0419 tx timeout [ 141.368586] Bluetooth: hci3: command 0x0419 tx timeout [ 141.369092] Bluetooth: hci1: command 0x0419 tx timeout [ 141.432779] Bluetooth: hci5: command 0x0419 tx timeout [ 144.312929] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 148.792773] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 153.272737] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 155.614325] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 155.616911] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 155.618413] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 155.623905] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 155.627513] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 155.631287] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 155.634121] Bluetooth: hci6: HCI_REQ-0x0c1a [ 157.687790] Bluetooth: hci6: command 0x0409 tx timeout [ 159.736760] Bluetooth: hci6: command 0x041b tx timeout [ 161.784728] Bluetooth: hci6: command 0x040f tx timeout [ 163.831744] Bluetooth: hci6: command 0x0419 tx timeout [ 164.615870] audit: type=1400 audit(1664594359.995:7): avc: denied { open } for pid=5863 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 164.617627] audit: type=1400 audit(1664594359.996:8): avc: denied { kernel } for pid=5863 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 164.626878] ------------[ cut here ]------------ [ 164.626905] [ 164.626909] ====================================================== [ 164.626913] WARNING: possible circular locking dependency detected [ 164.626917] 6.0.0-rc7-next-20220930 #1 Not tainted [ 164.626924] ------------------------------------------------------ [ 164.626927] syz-executor.1/5864 is trying to acquire lock: [ 164.626933] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 164.626975] [ 164.626975] but task is already holding lock: [ 164.626977] ffff88800d762820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 164.627004] [ 164.627004] which lock already depends on the new lock. [ 164.627004] [ 164.627007] [ 164.627007] the existing dependency chain (in reverse order) is: [ 164.627011] [ 164.627011] -> #3 (&ctx->lock){....}-{2:2}: [ 164.627024] _raw_spin_lock+0x2a/0x40 [ 164.627036] __perf_event_task_sched_out+0x53b/0x18d0 [ 164.627047] __schedule+0xedd/0x2470 [ 164.627061] schedule+0xda/0x1b0 [ 164.627074] futex_wait_queue+0xf5/0x1e0 [ 164.627087] futex_wait+0x28e/0x690 [ 164.627097] do_futex+0x2ff/0x380 [ 164.627106] __x64_sys_futex+0x1c6/0x4d0 [ 164.627116] do_syscall_64+0x3b/0x90 [ 164.627134] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.627146] [ 164.627146] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 164.627160] _raw_spin_lock_nested+0x30/0x40 [ 164.627170] raw_spin_rq_lock_nested+0x1e/0x30 [ 164.627184] task_fork_fair+0x63/0x4d0 [ 164.627200] sched_cgroup_fork+0x3d0/0x540 [ 164.627215] copy_process+0x4183/0x6e20 [ 164.627226] kernel_clone+0xe7/0x890 [ 164.627235] user_mode_thread+0xad/0xf0 [ 164.627245] rest_init+0x24/0x250 [ 164.627257] arch_call_rest_init+0xf/0x14 [ 164.627274] start_kernel+0x4c6/0x4eb [ 164.627289] secondary_startup_64_no_verify+0xe0/0xeb [ 164.627303] [ 164.627303] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 164.627316] _raw_spin_lock_irqsave+0x39/0x60 [ 164.627327] try_to_wake_up+0xab/0x1930 [ 164.627340] up+0x75/0xb0 [ 164.627354] __up_console_sem+0x6e/0x80 [ 164.627370] console_unlock+0x46a/0x590 [ 164.627385] do_con_write+0xc05/0x1d50 [ 164.627396] con_write+0x21/0x40 [ 164.627405] n_tty_write+0x4d4/0xfe0 [ 164.627417] file_tty_write.constprop.0+0x455/0x8a0 [ 164.627429] vfs_write+0x9c3/0xd90 [ 164.627445] ksys_write+0x127/0x250 [ 164.627460] do_syscall_64+0x3b/0x90 [ 164.627477] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.627489] [ 164.627489] -> #0 ((console_sem).lock){....}-{2:2}: [ 164.627502] __lock_acquire+0x2a02/0x5e70 [ 164.627519] lock_acquire+0x1a2/0x530 [ 164.627535] _raw_spin_lock_irqsave+0x39/0x60 [ 164.627545] down_trylock+0xe/0x70 [ 164.627560] __down_trylock_console_sem+0x3b/0xd0 [ 164.627576] vprintk_emit+0x16b/0x560 [ 164.627592] vprintk+0x84/0xa0 [ 164.627607] _printk+0xba/0xf1 [ 164.627619] report_bug.cold+0x72/0xab [ 164.627635] handle_bug+0x3c/0x70 [ 164.627651] exc_invalid_op+0x14/0x50 [ 164.627668] asm_exc_invalid_op+0x16/0x20 [ 164.627680] group_sched_out.part.0+0x2c7/0x460 [ 164.627697] ctx_sched_out+0x8f1/0xc10 [ 164.627714] __perf_event_task_sched_out+0x6d0/0x18d0 [ 164.627725] __schedule+0xedd/0x2470 [ 164.627738] schedule+0xda/0x1b0 [ 164.627751] futex_wait_queue+0xf5/0x1e0 [ 164.627762] futex_wait+0x28e/0x690 [ 164.627772] do_futex+0x2ff/0x380 [ 164.627781] __x64_sys_futex+0x1c6/0x4d0 [ 164.627791] do_syscall_64+0x3b/0x90 [ 164.627807] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.627820] [ 164.627820] other info that might help us debug this: [ 164.627820] [ 164.627822] Chain exists of: [ 164.627822] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 164.627822] [ 164.627837] Possible unsafe locking scenario: [ 164.627837] [ 164.627839] CPU0 CPU1 [ 164.627842] ---- ---- [ 164.627844] lock(&ctx->lock); [ 164.627850] lock(&rq->__lock); [ 164.627856] lock(&ctx->lock); [ 164.627862] lock((console_sem).lock); [ 164.627868] [ 164.627868] *** DEADLOCK *** [ 164.627868] [ 164.627870] 2 locks held by syz-executor.1/5864: [ 164.627877] #0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 164.627906] #1: ffff88800d762820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 164.627932] [ 164.627932] stack backtrace: [ 164.627935] CPU: 0 PID: 5864 Comm: syz-executor.1 Not tainted 6.0.0-rc7-next-20220930 #1 [ 164.627947] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 164.627955] Call Trace: [ 164.627958] [ 164.627963] dump_stack_lvl+0x8b/0xb3 [ 164.627982] check_noncircular+0x263/0x2e0 [ 164.627998] ? format_decode+0x26c/0xb50 [ 164.628015] ? print_circular_bug+0x450/0x450 [ 164.628032] ? simple_strtoul+0x30/0x30 [ 164.628048] ? format_decode+0x26c/0xb50 [ 164.628066] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 164.628084] __lock_acquire+0x2a02/0x5e70 [ 164.628107] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 164.628125] ? __mutex_add_waiter+0x120/0x120 [ 164.628144] lock_acquire+0x1a2/0x530 [ 164.628161] ? down_trylock+0xe/0x70 [ 164.628178] ? lock_release+0x750/0x750 [ 164.628200] ? vprintk+0x84/0xa0 [ 164.628218] _raw_spin_lock_irqsave+0x39/0x60 [ 164.628229] ? down_trylock+0xe/0x70 [ 164.628245] down_trylock+0xe/0x70 [ 164.628261] ? vprintk+0x84/0xa0 [ 164.628278] __down_trylock_console_sem+0x3b/0xd0 [ 164.628295] vprintk_emit+0x16b/0x560 [ 164.628314] vprintk+0x84/0xa0 [ 164.628332] _printk+0xba/0xf1 [ 164.628343] ? record_print_text.cold+0x16/0x16 [ 164.628360] ? report_bug.cold+0x66/0xab [ 164.628378] ? group_sched_out.part.0+0x2c7/0x460 [ 164.628397] report_bug.cold+0x72/0xab [ 164.628416] handle_bug+0x3c/0x70 [ 164.628433] exc_invalid_op+0x14/0x50 [ 164.628451] asm_exc_invalid_op+0x16/0x20 [ 164.628464] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 164.628485] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 164.628496] RSP: 0018:ffff88801b85f8f8 EFLAGS: 00010006 [ 164.628505] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 164.628513] RDX: ffff88803d188000 RSI: ffffffff81565dc7 RDI: 0000000000000005 [ 164.628521] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 164.628528] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88800d762800 [ 164.628536] R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002 [ 164.628548] ? group_sched_out.part.0+0x2c7/0x460 [ 164.628568] ? group_sched_out.part.0+0x2c7/0x460 [ 164.628588] ctx_sched_out+0x8f1/0xc10 [ 164.628608] __perf_event_task_sched_out+0x6d0/0x18d0 [ 164.628623] ? lock_is_held_type+0xd7/0x130 [ 164.628638] ? __perf_cgroup_move+0x160/0x160 [ 164.628648] ? set_next_entity+0x304/0x550 [ 164.628669] ? lock_is_held_type+0xd7/0x130 [ 164.628684] __schedule+0xedd/0x2470 [ 164.628701] ? io_schedule_timeout+0x150/0x150 [ 164.628717] ? futex_wait_setup+0x166/0x230 [ 164.628733] schedule+0xda/0x1b0 [ 164.628748] futex_wait_queue+0xf5/0x1e0 [ 164.628760] futex_wait+0x28e/0x690 [ 164.628773] ? futex_wait_setup+0x230/0x230 [ 164.628787] ? wake_up_q+0x8b/0xf0 [ 164.628801] ? do_raw_spin_unlock+0x4f/0x220 [ 164.628820] ? futex_wake+0x158/0x490 [ 164.628838] ? fd_install+0x1f9/0x640 [ 164.628854] do_futex+0x2ff/0x380 [ 164.628866] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 164.628883] __x64_sys_futex+0x1c6/0x4d0 [ 164.628897] ? __x64_sys_futex_time32+0x480/0x480 [ 164.628910] ? syscall_enter_from_user_mode+0x1d/0x50 [ 164.628924] ? syscall_enter_from_user_mode+0x1d/0x50 [ 164.628941] do_syscall_64+0x3b/0x90 [ 164.628958] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.628972] RIP: 0033:0x7f40e7171b19 [ 164.628980] 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 [ 164.628991] RSP: 002b:00007f40e46e7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 164.629001] RAX: ffffffffffffffda RBX: 00007f40e7284f68 RCX: 00007f40e7171b19 [ 164.629009] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f40e7284f68 [ 164.629016] RBP: 00007f40e7284f60 R08: 0000000000000000 R09: 0000000000000000 [ 164.629023] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f40e7284f6c [ 164.629030] R13: 00007fff1bfd6b2f R14: 00007f40e46e7300 R15: 0000000000022000 [ 164.629045] [ 164.693651] WARNING: CPU: 0 PID: 5864 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 164.694359] Modules linked in: [ 164.694608] CPU: 0 PID: 5864 Comm: syz-executor.1 Not tainted 6.0.0-rc7-next-20220930 #1 [ 164.695205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 164.696032] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 164.696452] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 164.697800] RSP: 0018:ffff88801b85f8f8 EFLAGS: 00010006 [ 164.698192] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 164.698723] RDX: ffff88803d188000 RSI: ffffffff81565dc7 RDI: 0000000000000005 [ 164.699263] RBP: ffff8880086605c8 R08: 0000000000000005 R09: 0000000000000001 [ 164.699797] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88800d762800 [ 164.700327] R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002 [ 164.700865] FS: 00007f40e46e7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 164.701479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.701923] CR2: 00007fb286e52610 CR3: 0000000018018000 CR4: 0000000000350ef0 [ 164.702454] Call Trace: [ 164.702648] [ 164.702824] ctx_sched_out+0x8f1/0xc10 [ 164.703133] __perf_event_task_sched_out+0x6d0/0x18d0 [ 164.703529] ? lock_is_held_type+0xd7/0x130 [ 164.703872] ? __perf_cgroup_move+0x160/0x160 [ 164.704219] ? set_next_entity+0x304/0x550 [ 164.704560] ? lock_is_held_type+0xd7/0x130 [ 164.704889] __schedule+0xedd/0x2470 [ 164.705189] ? io_schedule_timeout+0x150/0x150 [ 164.705542] ? futex_wait_setup+0x166/0x230 [ 164.705889] schedule+0xda/0x1b0 [ 164.706154] futex_wait_queue+0xf5/0x1e0 [ 164.706460] futex_wait+0x28e/0x690 [ 164.706745] ? futex_wait_setup+0x230/0x230 [ 164.707073] ? wake_up_q+0x8b/0xf0 [ 164.707335] ? do_raw_spin_unlock+0x4f/0x220 [ 164.707674] ? futex_wake+0x158/0x490 [ 164.707959] ? fd_install+0x1f9/0x640 [ 164.708247] do_futex+0x2ff/0x380 [ 164.708505] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 164.708930] __x64_sys_futex+0x1c6/0x4d0 [ 164.709238] ? __x64_sys_futex_time32+0x480/0x480 [ 164.709591] ? syscall_enter_from_user_mode+0x1d/0x50 [ 164.709971] ? syscall_enter_from_user_mode+0x1d/0x50 [ 164.710352] do_syscall_64+0x3b/0x90 [ 164.710634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 164.711019] RIP: 0033:0x7f40e7171b19 [ 164.711292] 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 [ 164.712593] RSP: 002b:00007f40e46e7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 164.713136] RAX: ffffffffffffffda RBX: 00007f40e7284f68 RCX: 00007f40e7171b19 [ 164.713644] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f40e7284f68 [ 164.714179] RBP: 00007f40e7284f60 R08: 0000000000000000 R09: 0000000000000000 [ 164.714705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f40e7284f6c [ 164.715231] R13: 00007fff1bfd6b2f R14: 00007f40e46e7300 R15: 0000000000022000 [ 164.715753] [ 164.715934] irq event stamp: 2194 [ 164.716197] hardirqs last enabled at (2193): [] syscall_enter_from_user_mode+0x1d/0x50 [ 164.716880] hardirqs last disabled at (2194): [] __schedule+0x1225/0x2470 [ 164.717503] softirqs last enabled at (374): [] __irq_exit_rcu+0x11b/0x180 [ 164.718129] softirqs last disabled at (343): [] __irq_exit_rcu+0x11b/0x180 [ 164.718756] ---[ end trace 0000000000000000 ]--- VM DIAGNOSIS: 03:19:20 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff823bb06c RDI=ffffffff8765a9a0 RBP=ffffffff8765a960 RSP=ffff88801b85f2e8 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0ecb584 R15=dffffc0000000000 RIP=ffffffff823bb0c1 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 00007f40e46e7700 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=00007fb286e52610 CR3=0000000018018000 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 00007f40e72587c0 00007f40e72587c8 YMM02=0000000000000000 0000000000000000 00007f40e72587e0 00007f40e72587c0 YMM03=0000000000000000 0000000000000000 00007f40e72587c8 00007f40e72587c0 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=0000000000000000 RBX=ffff88806ce3f080 RCX=0000000000000000 RDX=ffff88800ff45040 RSI=ffffffff813bbaa7 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88802f22f958 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9c7e11 R14=ffff88806ce3f088 R15=0000000000000001 RIP=ffffffff813bbaa9 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555560a1400 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=00007f40e7279d5c CR3=0000000018018000 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 00007f40e72587c0 00007f40e72587c8 YMM02=0000000000000000 0000000000000000 00007f40e72587e0 00007f40e72587c0 YMM03=0000000000000000 0000000000000000 00007f40e72587c8 00007f40e72587c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 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