Warning: Permanently added '[localhost]:36848' (ECDSA) to the list of known hosts. 2022/09/20 11:44:32 fuzzer started 2022/09/20 11:44:33 dialing manager at localhost:34957 syzkaller login: [ 43.290792] cgroup: Unknown subsys name 'net' [ 43.373235] cgroup: Unknown subsys name 'rlimit' 2022/09/20 11:44:47 syscalls: 2215 2022/09/20 11:44:47 code coverage: enabled 2022/09/20 11:44:47 comparison tracing: enabled 2022/09/20 11:44:47 extra coverage: enabled 2022/09/20 11:44:47 setuid sandbox: enabled 2022/09/20 11:44:47 namespace sandbox: enabled 2022/09/20 11:44:47 Android sandbox: enabled 2022/09/20 11:44:47 fault injection: enabled 2022/09/20 11:44:47 leak checking: enabled 2022/09/20 11:44:47 net packet injection: enabled 2022/09/20 11:44:47 net device setup: enabled 2022/09/20 11:44:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/20 11:44:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/20 11:44:47 USB emulation: enabled 2022/09/20 11:44:47 hci packet injection: enabled 2022/09/20 11:44:47 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220920) 2022/09/20 11:44:47 802.15.4 emulation: enabled 2022/09/20 11:44:47 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/20 11:44:47 fetching corpus: 50, signal 30280/33480 (executing program) 2022/09/20 11:44:47 fetching corpus: 100, signal 41298/45698 (executing program) 2022/09/20 11:44:48 fetching corpus: 150, signal 50132/55462 (executing program) 2022/09/20 11:44:48 fetching corpus: 200, signal 57674/63782 (executing program) 2022/09/20 11:44:48 fetching corpus: 250, signal 62302/69258 (executing program) 2022/09/20 11:44:48 fetching corpus: 300, signal 67538/75178 (executing program) 2022/09/20 11:44:48 fetching corpus: 350, signal 75268/83165 (executing program) 2022/09/20 11:44:48 fetching corpus: 400, signal 78997/87461 (executing program) 2022/09/20 11:44:48 fetching corpus: 450, signal 80897/90030 (executing program) 2022/09/20 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fetching corpus: 1100, signal 115501/125814 (executing program) 2022/09/20 11:44:51 fetching corpus: 1150, signal 116538/126955 (executing program) 2022/09/20 11:44:51 fetching corpus: 1200, signal 118363/128588 (executing program) 2022/09/20 11:44:51 fetching corpus: 1250, signal 121301/130914 (executing program) 2022/09/20 11:44:51 fetching corpus: 1300, signal 122526/132051 (executing program) 2022/09/20 11:44:51 fetching corpus: 1350, signal 124278/133480 (executing program) 2022/09/20 11:44:51 fetching corpus: 1400, signal 126358/135062 (executing program) 2022/09/20 11:44:52 fetching corpus: 1450, signal 128915/136917 (executing program) 2022/09/20 11:44:52 fetching corpus: 1500, signal 130734/138256 (executing program) 2022/09/20 11:44:52 fetching corpus: 1550, signal 133441/140032 (executing program) 2022/09/20 11:44:52 fetching corpus: 1600, signal 134492/140836 (executing program) 2022/09/20 11:44:52 fetching corpus: 1650, signal 136748/142265 (executing program) 2022/09/20 11:44:52 fetching corpus: 1700, signal 138088/143110 (executing program) 2022/09/20 11:44:53 fetching corpus: 1750, signal 139594/144006 (executing program) 2022/09/20 11:44:53 fetching corpus: 1800, signal 141249/144970 (executing program) 2022/09/20 11:44:53 fetching corpus: 1850, signal 142716/145805 (executing program) 2022/09/20 11:44:53 fetching corpus: 1900, signal 143610/146342 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146679 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146745 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146788 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146856 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146909 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/146969 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147039 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147112 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147181 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147252 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147327 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147394 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147457 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147520 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147595 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147651 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147707 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147776 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147858 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147919 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/147979 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148056 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148122 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148179 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148244 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148325 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148386 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148454 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148508 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148576 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148626 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148684 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148743 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148807 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148810 (executing program) 2022/09/20 11:44:53 fetching corpus: 1928, signal 144094/148810 (executing program) 2022/09/20 11:44:56 starting 8 fuzzer processes 11:44:56 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000280), 0x0, 0x0) ioctl$SG_SET_DEBUG(r0, 0x227e, &(0x7f00000002c0)) 11:44:56 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_int(r0, 0x11, 0xb, &(0x7f0000000040)=0x8, 0x4) 11:44:56 executing program 1: 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, 0xffffffffffffffff, 0x0) r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000040), 0x909e43, 0x0) ioctl$SG_EMULATED_HOST(r0, 0x2275, 0x0) 11:44:56 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000004c0)=')s', 0x2) 11:44:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) pwritev(r0, &(0x7f0000000340)=[{&(0x7f0000000240)='\"', 0x1}], 0x1, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18048, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) write$bt_hci(0xffffffffffffffff, &(0x7f00000003c0)=ANY=[@ANYRESHEX, @ANYRESOCT], 0x5) openat$sysfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000340)) 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, 0x1200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r1, r1, 0x0, 0x100000) 11:44:56 executing program 6: clock_adjtime(0x0, &(0x7f0000000140)={0xffffffff7fffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100000001}) 11:44:56 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) mmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x0, 0x12, r0, 0xc82f7000) [ 66.060361] audit: type=1400 audit(1663674296.072:6): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 11:44:56 executing program 7: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$SEG6(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$SEG6_CMD_SET_TUNSRC(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x28, r1, 0x1, 0x0, 0x0, {}, [@SEG6_ATTR_DST={0x14, 0x1, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x28}}, 0x0) [ 67.207063] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.209897] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.211211] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.225928] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.228752] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.230193] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.235922] Bluetooth: hci0: HCI_REQ-0x0c1a [ 67.364189] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.367525] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 67.370201] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.371794] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 67.373867] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 67.375152] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 67.376276] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.381763] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 67.392757] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 67.394150] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 67.396805] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 67.400042] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 67.401066] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.405364] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 67.406981] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.411964] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.413279] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 67.415261] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 67.417761] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 67.420683] Bluetooth: hci2: HCI_REQ-0x0c1a [ 67.441942] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 67.446859] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 67.448438] Bluetooth: hci3: HCI_REQ-0x0c1a [ 67.455285] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 67.456384] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 67.462815] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 67.472340] Bluetooth: hci5: HCI_REQ-0x0c1a [ 67.473510] Bluetooth: hci4: HCI_REQ-0x0c1a [ 67.513054] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 67.515405] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 67.517778] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 67.522919] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 67.549221] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 67.549769] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 67.552101] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 67.556404] Bluetooth: hci7: HCI_REQ-0x0c1a [ 67.583904] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 67.587373] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 67.599338] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 67.605942] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 67.608434] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 67.621703] Bluetooth: hci6: HCI_REQ-0x0c1a [ 69.297207] Bluetooth: hci0: command 0x0409 tx timeout [ 69.360625] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 69.488718] Bluetooth: hci4: command 0x0409 tx timeout [ 69.489874] Bluetooth: hci3: command 0x0409 tx timeout [ 69.491061] Bluetooth: hci2: command 0x0409 tx timeout [ 69.552746] Bluetooth: hci5: command 0x0409 tx timeout [ 69.616746] Bluetooth: hci7: command 0x0409 tx timeout [ 69.680630] Bluetooth: hci6: command 0x0409 tx timeout [ 71.344680] Bluetooth: hci0: command 0x041b tx timeout [ 71.536674] Bluetooth: hci2: command 0x041b tx timeout [ 71.537099] Bluetooth: hci3: command 0x041b tx timeout [ 71.537479] Bluetooth: hci4: command 0x041b tx timeout [ 71.602424] Bluetooth: hci5: command 0x041b tx timeout [ 71.665664] Bluetooth: hci7: command 0x041b tx timeout [ 71.729611] Bluetooth: hci6: command 0x041b tx timeout [ 72.238692] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 72.242487] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 72.245996] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 72.248746] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 72.252994] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 72.254010] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 72.259152] Bluetooth: hci1: HCI_REQ-0x0c1a [ 73.393777] Bluetooth: hci0: command 0x040f tx timeout [ 73.585672] Bluetooth: hci4: command 0x040f tx timeout [ 73.586366] Bluetooth: hci3: command 0x040f tx timeout [ 73.587066] Bluetooth: hci2: command 0x040f tx timeout [ 73.649938] Bluetooth: hci5: command 0x040f tx timeout [ 73.713614] Bluetooth: hci7: command 0x040f tx timeout [ 73.776691] Bluetooth: hci6: command 0x040f tx timeout [ 74.289957] Bluetooth: hci1: command 0x0409 tx timeout [ 75.440646] Bluetooth: hci0: command 0x0419 tx timeout [ 75.632767] Bluetooth: hci2: command 0x0419 tx timeout [ 75.633675] Bluetooth: hci3: command 0x0419 tx timeout [ 75.634348] Bluetooth: hci4: command 0x0419 tx timeout [ 75.696970] Bluetooth: hci5: command 0x0419 tx timeout [ 75.760727] Bluetooth: hci7: command 0x0419 tx timeout [ 75.824700] Bluetooth: hci6: command 0x0419 tx timeout [ 76.336619] Bluetooth: hci1: command 0x041b tx timeout [ 78.385872] Bluetooth: hci1: command 0x040f tx timeout [ 80.433605] Bluetooth: hci1: command 0x0419 tx timeout 11:45:54 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_int(r0, 0x11, 0xb, &(0x7f0000000040)=0x8, 0x4) 11:45:54 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_int(r0, 0x11, 0xb, &(0x7f0000000040)=0x8, 0x4) 11:45:54 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_int(r0, 0x11, 0xb, &(0x7f0000000040)=0x8, 0x4) 11:45:54 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@multicast2, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}}, {{@in=@initdev={0xac, 0x1e, 0x0, 0x0}}, 0x0, @in=@empty, 0x0, 0x59461e7a10dfdb86}}, 0xe8) 11:45:55 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@multicast2, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}}, {{@in=@initdev={0xac, 0x1e, 0x0, 0x0}}, 0x0, @in=@empty, 0x0, 0x59461e7a10dfdb86}}, 0xe8) 11:45:55 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@multicast2, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}}, {{@in=@initdev={0xac, 0x1e, 0x0, 0x0}}, 0x0, @in=@empty, 0x0, 0x59461e7a10dfdb86}}, 0xe8) 11:45:55 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00000004c0)=')s', 0x2) 11:45:55 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@multicast2, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}}, {{@in=@initdev={0xac, 0x1e, 0x0, 0x0}}, 0x0, @in=@empty, 0x0, 0x59461e7a10dfdb86}}, 0xe8) [ 125.987682] audit: type=1400 audit(1663674355.999:7): avc: denied { open } for pid=3886 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 [ 125.989670] audit: type=1400 audit(1663674356.000:8): avc: denied { kernel } for pid=3886 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 [ 126.001123] ------------[ cut here ]------------ [ 126.001148] [ 126.001151] ====================================================== [ 126.001155] WARNING: possible circular locking dependency detected [ 126.001160] 6.0.0-rc6-next-20220920 #1 Not tainted [ 126.001166] ------------------------------------------------------ [ 126.001170] syz-executor.1/3887 is trying to acquire lock: [ 126.001176] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 126.001214] [ 126.001214] but task is already holding lock: [ 126.001217] ffff88800e7aa020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.001245] [ 126.001245] which lock already depends on the new lock. [ 126.001245] [ 126.001248] [ 126.001248] the existing dependency chain (in reverse order) is: [ 126.001251] [ 126.001251] -> #3 (&ctx->lock){....}-{2:2}: [ 126.001265] _raw_spin_lock+0x2a/0x40 [ 126.001285] __perf_event_task_sched_out+0x53b/0x18d0 [ 126.001297] __schedule+0xedd/0x2470 [ 126.001310] schedule+0xda/0x1b0 [ 126.001323] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.001335] syscall_exit_to_user_mode+0x19/0x40 [ 126.001346] do_syscall_64+0x48/0x90 [ 126.001362] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.001382] [ 126.001382] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 126.001395] _raw_spin_lock_nested+0x30/0x40 [ 126.001412] raw_spin_rq_lock_nested+0x1e/0x30 [ 126.001426] task_fork_fair+0x63/0x4d0 [ 126.001442] sched_cgroup_fork+0x3d0/0x540 [ 126.001456] copy_process+0x4183/0x6e20 [ 126.001466] kernel_clone+0xe7/0x890 [ 126.001477] user_mode_thread+0xad/0xf0 [ 126.001487] rest_init+0x24/0x250 [ 126.001497] arch_call_rest_init+0xf/0x14 [ 126.001512] start_kernel+0x4c1/0x4e6 [ 126.001528] secondary_startup_64_no_verify+0xe0/0xeb [ 126.001542] [ 126.001542] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 126.001556] _raw_spin_lock_irqsave+0x39/0x60 [ 126.001573] try_to_wake_up+0xab/0x1930 [ 126.001586] up+0x75/0xb0 [ 126.001597] __up_console_sem+0x6e/0x80 [ 126.001613] console_unlock+0x46a/0x590 [ 126.001629] do_con_write+0xc05/0x1d50 [ 126.001641] con_write+0x21/0x40 [ 126.001651] n_tty_write+0x4d4/0xfe0 [ 126.001664] file_tty_write.constprop.0+0x49c/0x8f0 [ 126.001677] vfs_write+0x9c3/0xd90 [ 126.001695] ksys_write+0x127/0x250 [ 126.001712] do_syscall_64+0x3b/0x90 [ 126.001727] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.001746] [ 126.001746] -> #0 ((console_sem).lock){....}-{2:2}: [ 126.001760] __lock_acquire+0x2a02/0x5e70 [ 126.001776] lock_acquire+0x1a2/0x530 [ 126.001791] _raw_spin_lock_irqsave+0x39/0x60 [ 126.001808] down_trylock+0xe/0x70 [ 126.001821] __down_trylock_console_sem+0x3b/0xd0 [ 126.001837] vprintk_emit+0x16b/0x560 [ 126.001853] vprintk+0x84/0xa0 [ 126.001869] _printk+0xba/0xf1 [ 126.001879] report_bug.cold+0x72/0xab [ 126.001894] handle_bug+0x3c/0x70 [ 126.001909] exc_invalid_op+0x14/0x50 [ 126.001925] asm_exc_invalid_op+0x16/0x20 [ 126.001935] group_sched_out.part.0+0x2c7/0x460 [ 126.001946] ctx_sched_out+0x8f1/0xc10 [ 126.001956] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.001968] __schedule+0xedd/0x2470 [ 126.001980] schedule+0xda/0x1b0 [ 126.001992] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.002003] syscall_exit_to_user_mode+0x19/0x40 [ 126.002014] do_syscall_64+0x48/0x90 [ 126.002029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.002047] [ 126.002047] other info that might help us debug this: [ 126.002047] [ 126.002050] Chain exists of: [ 126.002050] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 126.002050] [ 126.002065] Possible unsafe locking scenario: [ 126.002065] [ 126.002068] CPU0 CPU1 [ 126.002070] ---- ---- [ 126.002072] lock(&ctx->lock); [ 126.002078] lock(&rq->__lock); [ 126.002084] lock(&ctx->lock); [ 126.002090] lock((console_sem).lock); [ 126.002096] [ 126.002096] *** DEADLOCK *** [ 126.002096] [ 126.002098] 2 locks held by syz-executor.1/3887: [ 126.002105] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 126.002133] #1: ffff88800e7aa020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 126.002160] [ 126.002160] stack backtrace: [ 126.002163] CPU: 0 PID: 3887 Comm: syz-executor.1 Not tainted 6.0.0-rc6-next-20220920 #1 [ 126.002190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.002198] Call Trace: [ 126.002201] [ 126.002206] dump_stack_lvl+0x8b/0xb3 [ 126.002223] check_noncircular+0x263/0x2e0 [ 126.002239] ? format_decode+0x26c/0xb50 [ 126.002255] ? print_circular_bug+0x450/0x450 [ 126.002271] ? enable_ptr_key_workfn+0x20/0x20 [ 126.002287] ? format_decode+0x26c/0xb50 [ 126.002303] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 126.002320] __lock_acquire+0x2a02/0x5e70 [ 126.002342] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 126.002364] lock_acquire+0x1a2/0x530 [ 126.002380] ? down_trylock+0xe/0x70 [ 126.002395] ? lock_release+0x750/0x750 [ 126.002415] ? vprintk+0x84/0xa0 [ 126.002432] _raw_spin_lock_irqsave+0x39/0x60 [ 126.002450] ? down_trylock+0xe/0x70 [ 126.002464] down_trylock+0xe/0x70 [ 126.002477] ? vprintk+0x84/0xa0 [ 126.002493] __down_trylock_console_sem+0x3b/0xd0 [ 126.002510] vprintk_emit+0x16b/0x560 [ 126.002529] vprintk+0x84/0xa0 [ 126.002546] _printk+0xba/0xf1 [ 126.002557] ? record_print_text.cold+0x16/0x16 [ 126.002571] ? report_bug.cold+0x66/0xab [ 126.002588] ? group_sched_out.part.0+0x2c7/0x460 [ 126.002599] report_bug.cold+0x72/0xab [ 126.002616] handle_bug+0x3c/0x70 [ 126.002632] exc_invalid_op+0x14/0x50 [ 126.002648] asm_exc_invalid_op+0x16/0x20 [ 126.002659] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.002673] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 126.002685] RSP: 0018:ffff88803fc97c48 EFLAGS: 00010006 [ 126.002694] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.002702] RDX: ffff88800e3e0000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 126.002710] RBP: ffff8880086685c8 R08: 0000000000000005 R09: 0000000000000001 [ 126.002717] R10: 0000000000000000 R11: ffffffff865ae01b R12: ffff88800e7aa000 [ 126.002725] R13: ffff88806ce3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 126.002736] ? group_sched_out.part.0+0x2c7/0x460 [ 126.002750] ? group_sched_out.part.0+0x2c7/0x460 [ 126.002763] ctx_sched_out+0x8f1/0xc10 [ 126.002775] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.002791] ? lock_is_held_type+0xd7/0x130 [ 126.002803] ? __perf_cgroup_move+0x160/0x160 [ 126.002815] ? set_next_entity+0x304/0x550 [ 126.002832] ? update_curr+0x267/0x740 [ 126.002850] ? lock_is_held_type+0xd7/0x130 [ 126.002862] __schedule+0xedd/0x2470 [ 126.002878] ? io_schedule_timeout+0x150/0x150 [ 126.002893] ? rcu_read_lock_sched_held+0x3e/0x80 [ 126.002913] schedule+0xda/0x1b0 [ 126.002926] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.002938] syscall_exit_to_user_mode+0x19/0x40 [ 126.002950] do_syscall_64+0x48/0x90 [ 126.002966] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.002986] RIP: 0033:0x7f11d261bb19 [ 126.002994] 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 [ 126.003005] RSP: 002b:00007f11cfb91218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.003016] RAX: 0000000000000001 RBX: 00007f11d272ef68 RCX: 00007f11d261bb19 [ 126.003024] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f11d272ef6c [ 126.003031] RBP: 00007f11d272ef60 R08: 000000000000000e R09: 0000000000000000 [ 126.003038] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f11d272ef6c [ 126.003046] R13: 00007ffc33d8391f R14: 00007f11cfb91300 R15: 0000000000022000 [ 126.003058] [ 126.060228] WARNING: CPU: 0 PID: 3887 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 126.060922] Modules linked in: [ 126.061183] CPU: 0 PID: 3887 Comm: syz-executor.1 Not tainted 6.0.0-rc6-next-20220920 #1 [ 126.061794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 126.062669] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 126.063095] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 126.064470] RSP: 0018:ffff88803fc97c48 EFLAGS: 00010006 [ 126.064873] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 126.065406] RDX: ffff88800e3e0000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 126.065951] RBP: ffff8880086685c8 R08: 0000000000000005 R09: 0000000000000001 [ 126.066500] R10: 0000000000000000 R11: ffffffff865ae01b R12: ffff88800e7aa000 [ 126.067033] R13: ffff88806ce3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 126.067572] FS: 00007f11cfb91700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 126.068171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.068603] CR2: 00007fbffcd484a1 CR3: 000000001b3f6000 CR4: 0000000000350ef0 [ 126.069140] Call Trace: [ 126.069342] [ 126.069524] ctx_sched_out+0x8f1/0xc10 [ 126.069829] __perf_event_task_sched_out+0x6d0/0x18d0 [ 126.070227] ? lock_is_held_type+0xd7/0x130 [ 126.070555] ? __perf_cgroup_move+0x160/0x160 [ 126.070907] ? set_next_entity+0x304/0x550 [ 126.071229] ? update_curr+0x267/0x740 [ 126.071538] ? lock_is_held_type+0xd7/0x130 [ 126.071874] __schedule+0xedd/0x2470 [ 126.072165] ? io_schedule_timeout+0x150/0x150 [ 126.072511] ? rcu_read_lock_sched_held+0x3e/0x80 [ 126.072892] schedule+0xda/0x1b0 [ 126.073160] exit_to_user_mode_prepare+0x114/0x1a0 [ 126.073528] syscall_exit_to_user_mode+0x19/0x40 [ 126.073887] do_syscall_64+0x48/0x90 [ 126.074187] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 126.074598] RIP: 0033:0x7f11d261bb19 [ 126.074883] 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 [ 126.076280] RSP: 002b:00007f11cfb91218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 126.076876] RAX: 0000000000000001 RBX: 00007f11d272ef68 RCX: 00007f11d261bb19 [ 126.077417] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f11d272ef6c [ 126.077964] RBP: 00007f11d272ef60 R08: 000000000000000e R09: 0000000000000000 [ 126.078508] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f11d272ef6c [ 126.079055] R13: 00007ffc33d8391f R14: 00007f11cfb91300 R15: 0000000000022000 [ 126.079595] [ 126.079779] irq event stamp: 604 [ 126.080038] hardirqs last enabled at (603): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 126.080749] hardirqs last disabled at (604): [] __schedule+0x1225/0x2470 [ 126.081370] softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20 [ 126.081990] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 126.082464] ---[ end trace 0000000000000000 ]--- [ 128.473819] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 128.475176] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 128.477918] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 128.479737] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 128.481461] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 128.483441] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 128.487035] Bluetooth: hci4: HCI_REQ-0x0c1a [ 130.482332] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 130.544613] Bluetooth: hci4: command 0x0409 tx timeout [ 132.592645] Bluetooth: hci4: command 0x041b tx timeout [ 132.668726] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 132.673422] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 132.676037] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 132.678075] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 132.680064] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 132.682203] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 132.686183] Bluetooth: hci5: HCI_REQ-0x0c1a [ 134.640586] Bluetooth: hci4: command 0x040f tx timeout [ 134.704573] Bluetooth: hci5: command 0x0409 tx timeout VM DIAGNOSIS: 11:45:56 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1551 RDI=ffffffff87643ba0 RBP=ffffffff87643b60 RSP=ffff88803fc97698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff87643b60 R14=0000000000000010 R15=ffffffff822b1540 RIP=ffffffff822b15a9 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 00007f11cfb91700 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=00007fbffcd484a1 CR3=000000001b3f6000 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 00007f11d27027c0 00007f11d27027c8 YMM02=0000000000000000 0000000000000000 00007f11d27027e0 00007f11d27027c0 YMM03=0000000000000000 0000000000000000 00007f11d27027c8 00007f11d27027c0 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=0000000000000001 RCX=1ffff11007fa4eef RDX=dffffc0000000000 RSI=ffffffff81783ee0 RDI=ffff88801b1c1360 RBP=ffff88803fd27778 RSP=ffff88803fd276a0 R8 =ffffffff85edc312 R9 =ffffffff85edc316 R10=ffffed1007fa4ef1 R11=ffff88803fd27760 R12=ffff88803fd27761 R13=ffff88803fd27780 R14=ffff88803fd27720 R15=ffff88803f40fc00 RIP=ffffffff8111b33b 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=00007f30498a0368 CR3=000000001b12a000 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