Warning: Permanently added '[localhost]:38384' (ECDSA) to the list of known hosts. 2025/01/18 12:43:19 fuzzer started 2025/01/18 12:43:20 dialing manager at localhost:44245 syzkaller login: [ 62.235630] cgroup: Unknown subsys name 'net' [ 62.350135] cgroup: Unknown subsys name 'cpuset' [ 62.360986] cgroup: Unknown subsys name 'rlimit' [ 66.595970] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 77.231163] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) 2025/01/18 12:43:35 syscalls: 2217 2025/01/18 12:43:35 code coverage: enabled 2025/01/18 12:43:35 comparison tracing: enabled 2025/01/18 12:43:35 extra coverage: enabled 2025/01/18 12:43:35 setuid sandbox: enabled 2025/01/18 12:43:35 namespace sandbox: enabled 2025/01/18 12:43:35 Android sandbox: enabled 2025/01/18 12:43:35 fault injection: enabled 2025/01/18 12:43:35 leak checking: enabled 2025/01/18 12:43:35 net packet injection: enabled 2025/01/18 12:43:35 net device setup: enabled 2025/01/18 12:43:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/18 12:43:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/18 12:43:35 USB emulation: enabled 2025/01/18 12:43:35 hci packet injection: enabled 2025/01/18 12:43:35 wifi device emulation: enabled 2025/01/18 12:43:35 802.15.4 emulation: enabled 2025/01/18 12:43:35 fetching corpus: 0, signal 0/2000 (executing program) 2025/01/18 12:43:36 fetching corpus: 50, signal 24379/27427 (executing program) 2025/01/18 12:43:36 fetching corpus: 100, signal 35758/39685 (executing program) 2025/01/18 12:43:36 fetching corpus: 150, signal 44139/48785 (executing program) 2025/01/18 12:43:36 fetching corpus: 200, signal 49453/54801 (executing program) 2025/01/18 12:43:36 fetching corpus: 250, signal 55443/61162 (executing program) 2025/01/18 12:43:36 fetching corpus: 300, signal 59055/65267 (executing program) 2025/01/18 12:43:37 fetching corpus: 350, signal 64376/70682 (executing program) 2025/01/18 12:43:37 fetching corpus: 400, signal 66957/73693 (executing program) 2025/01/18 12:43:37 fetching corpus: 450, signal 70044/76949 (executing program) 2025/01/18 12:43:37 fetching corpus: 500, signal 73645/80489 (executing program) 2025/01/18 12:43:37 fetching corpus: 550, signal 76891/83611 (executing program) 2025/01/18 12:43:37 fetching corpus: 600, signal 79487/86137 (executing program) 2025/01/18 12:43:38 fetching corpus: 650, signal 81304/87950 (executing program) 2025/01/18 12:43:38 fetching corpus: 700, signal 83105/89701 (executing program) 2025/01/18 12:43:38 fetching corpus: 750, signal 84842/91332 (executing program) 2025/01/18 12:43:38 fetching corpus: 800, signal 86473/92861 (executing program) 2025/01/18 12:43:38 fetching corpus: 850, signal 88289/94454 (executing program) 2025/01/18 12:43:38 fetching corpus: 900, signal 91434/96781 (executing program) 2025/01/18 12:43:38 fetching corpus: 950, signal 92628/97817 (executing program) 2025/01/18 12:43:39 fetching corpus: 1000, signal 94732/99396 (executing program) 2025/01/18 12:43:39 fetching corpus: 1050, signal 96830/100861 (executing program) 2025/01/18 12:43:39 fetching corpus: 1100, signal 99918/102852 (executing program) 2025/01/18 12:43:39 fetching corpus: 1150, signal 102271/104250 (executing program) 2025/01/18 12:43:39 fetching corpus: 1200, signal 103675/105043 (executing program) 2025/01/18 12:43:39 fetching corpus: 1250, signal 104784/105675 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105765 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105800 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105829 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105869 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105909 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105944 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/105977 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/106004 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/106040 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/106075 (executing program) 2025/01/18 12:43:39 fetching corpus: 1262, signal 104892/106103 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106139 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106170 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106199 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106229 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106263 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106302 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106331 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106358 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106386 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106410 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106450 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106479 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106513 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106547 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106578 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106613 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106624 (executing program) 2025/01/18 12:43:40 fetching corpus: 1262, signal 104892/106624 (executing program) 2025/01/18 12:43:44 starting 8 fuzzer processes 12:43:44 executing program 0: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366d8a02b00080101000440002000f801", 0x17}, {0x0, 0x0, 0x2800}], 0x0, &(0x7f0000000140)=ANY=[]) ioctl$VFAT_IOCTL_READDIR_SHORT(0xffffffffffffffff, 0x82307202, 0x0) r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0x7, 0x0, 0x4) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, 0x0) chdir(&(0x7f0000000140)='./file0\x00') r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x121242, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x111, 0xffffffffffffffff, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/keys\x00', 0x0, 0x0) pread64(r3, &(0x7f00000012c0)=""/4093, 0xffd, 0x600) setsockopt$packet_add_memb(r3, 0x107, 0x1, &(0x7f0000000180)={0x0, 0x1, 0x6, @random="937c878df0b4"}, 0x10) write$binfmt_aout(r2, &(0x7f0000001180)=ANY=[], 0x220) lsetxattr(&(0x7f00000001c0)='./file1\x00', &(0x7f0000000240)=@known='user.incfs.id\x00', &(0x7f0000000280)='\x00', 0x1, 0x4) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) sendfile(r2, r1, 0x0, 0xfffffdef) 12:43:44 executing program 1: syz_emit_ethernet(0x66, &(0x7f00000000c0)=ANY=[@ANYBLOB="aaaaaaaaaaaa00000000000086dd6078d19f0030000020010000000000000000000000000001fe880000000000000000000000000001000400000000000007100000000014"], 0x0) 12:43:44 executing program 2: madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x12) fork() 12:43:44 executing program 4: r0 = fsopen(&(0x7f0000000000)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) mknodat$null(r1, &(0x7f0000000040)='./file0\x00', 0x2000, 0x103) 12:43:44 executing program 3: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000040)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xfc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x13, r0, 0x0) [ 86.301154] audit: type=1400 audit(1737204224.479:7): avc: denied { execmem } for pid=273 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:43:44 executing program 6: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000080)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)={0x28, r1, 0x17, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_TX_RATES={0xc, 0x5a, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8, 0x3, 0x0, 0x1, [@NL80211_TXRATE_HT={0x4}]}]}]}, 0x28}}, 0x0) 12:43:44 executing program 7: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xce, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_io_uring_setup(0x0, 0xfffffffffffffffe, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffb000/0x4000)=nil, 0x0, 0x0) 12:43:44 executing program 5: socketpair(0x10, 0x2, 0x0, &(0x7f0000000000)) [ 87.680131] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.682768] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.684662] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.688551] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.692625] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.693923] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 87.791551] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 87.796734] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 87.804714] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 87.816502] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 87.825185] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 87.834832] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 87.869449] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 87.879780] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 87.881568] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 87.884652] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 87.894484] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 87.906514] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 87.915199] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 87.917206] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 87.918160] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 87.933917] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 87.935572] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 87.936614] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 87.940097] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 87.941862] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 87.943138] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 87.961091] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 87.963729] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 87.969669] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 87.971401] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 87.972224] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 87.975349] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 87.977630] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 87.978781] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 87.980957] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 87.984798] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 87.985191] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 87.991769] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 87.995437] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 87.995827] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 87.999623] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 88.014896] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 88.018448] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 88.020732] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 88.025791] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 88.045446] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 88.048706] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 89.763863] Bluetooth: hci0: command tx timeout [ 89.955414] Bluetooth: hci5: command tx timeout [ 89.955900] Bluetooth: hci6: command tx timeout [ 89.955908] Bluetooth: hci1: command tx timeout [ 90.083522] Bluetooth: hci4: command tx timeout [ 90.083711] Bluetooth: hci2: command tx timeout [ 90.083857] Bluetooth: hci7: command tx timeout [ 90.147386] Bluetooth: hci3: command tx timeout [ 91.811354] Bluetooth: hci0: command tx timeout [ 92.003347] Bluetooth: hci1: command tx timeout [ 92.003438] Bluetooth: hci5: command tx timeout [ 92.004612] Bluetooth: hci6: command tx timeout [ 92.131962] Bluetooth: hci7: command tx timeout [ 92.132176] Bluetooth: hci2: command tx timeout [ 92.133106] Bluetooth: hci4: command tx timeout [ 92.197289] Bluetooth: hci3: command tx timeout [ 93.861283] Bluetooth: hci0: command tx timeout [ 94.051343] Bluetooth: hci6: command tx timeout [ 94.051437] Bluetooth: hci5: command tx timeout [ 94.051523] Bluetooth: hci1: command tx timeout [ 94.179458] Bluetooth: hci2: command tx timeout [ 94.179486] Bluetooth: hci4: command tx timeout [ 94.179571] Bluetooth: hci7: command tx timeout [ 94.243415] Bluetooth: hci3: command tx timeout [ 95.908685] Bluetooth: hci0: command tx timeout [ 96.099461] Bluetooth: hci1: command tx timeout [ 96.099495] Bluetooth: hci5: command tx timeout [ 96.099659] Bluetooth: hci6: command tx timeout [ 96.227483] Bluetooth: hci7: command tx timeout [ 96.227677] Bluetooth: hci4: command tx timeout [ 96.227768] Bluetooth: hci2: command tx timeout [ 96.291452] Bluetooth: hci3: command tx timeout [ 147.488169] syz-executor.3 (287) used greatest stack depth: 23776 bytes left [ 149.998679] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 150.001296] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 150.002354] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 150.008744] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 150.011482] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 150.013411] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 150.132380] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 150.136402] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 150.138268] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 150.139984] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 150.141693] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 150.144141] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 150.145502] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 150.148779] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 150.150334] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 150.151894] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 150.158461] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 150.159560] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 150.259943] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 150.268330] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 150.280405] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 150.292585] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 150.302166] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 150.303668] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 150.323612] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 150.332394] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 150.334412] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 150.350369] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 150.360749] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 150.362450] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 150.449758] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 150.452965] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 150.454480] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 150.458506] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 150.465590] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 150.467193] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 150.473465] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 150.522778] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 150.530756] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 150.548599] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 150.551094] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 150.601289] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 150.622307] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 150.729358] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 150.735503] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 150.773928] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 150.825335] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 150.836405] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 152.099344] Bluetooth: hci0: command tx timeout [ 152.227586] Bluetooth: hci1: command tx timeout [ 152.227617] Bluetooth: hci2: command tx timeout [ 152.355328] Bluetooth: hci3: command tx timeout [ 152.419449] Bluetooth: hci4: command tx timeout [ 152.547482] Bluetooth: hci6: command tx timeout [ 152.740373] Bluetooth: hci5: command tx timeout [ 152.934190] Bluetooth: hci7: command tx timeout [ 154.149294] Bluetooth: hci0: command tx timeout [ 154.275322] Bluetooth: hci1: command tx timeout [ 154.276870] Bluetooth: hci2: command tx timeout [ 154.405206] Bluetooth: hci3: command tx timeout [ 154.467501] Bluetooth: hci4: command tx timeout [ 154.596061] Bluetooth: hci6: command tx timeout [ 154.787603] Bluetooth: hci5: command tx timeout [ 154.979368] Bluetooth: hci7: command tx timeout [ 156.195319] Bluetooth: hci0: command tx timeout [ 156.323454] Bluetooth: hci2: command tx timeout [ 156.323654] Bluetooth: hci1: command tx timeout [ 156.451387] Bluetooth: hci3: command tx timeout [ 156.516284] Bluetooth: hci4: command tx timeout [ 156.643522] Bluetooth: hci6: command tx timeout [ 156.835385] Bluetooth: hci5: command tx timeout [ 157.027326] Bluetooth: hci7: command tx timeout [ 158.244277] Bluetooth: hci0: command tx timeout [ 158.372345] Bluetooth: hci2: command tx timeout [ 158.372441] Bluetooth: hci1: command tx timeout [ 158.499337] Bluetooth: hci3: command tx timeout [ 158.563347] Bluetooth: hci4: command tx timeout [ 158.693352] Bluetooth: hci6: command tx timeout [ 158.885293] Bluetooth: hci5: command tx timeout [ 159.075310] Bluetooth: hci7: command tx timeout [ 208.791847] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 208.791965] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 210.328348] [ 210.328593] ====================================================== [ 210.329199] WARNING: possible circular locking dependency detected [ 210.329803] 6.13.0-rc7-next-20250117 #1 Not tainted [ 210.330289] ------------------------------------------------------ [ 210.331850] kworker/u8:0/11 is trying to acquire lock: [ 210.332909] ffffffff8621b968 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.334982] [ 210.334982] but task is already holding lock: [ 210.336242] ffff888037e90768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 210.338112] [ 210.338112] which lock already depends on the new lock. [ 210.338112] [ 210.339340] [ 210.339340] the existing dependency chain (in reverse order) is: [ 210.340046] [ 210.340046] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 210.340706] __mutex_lock+0x13d/0xb50 [ 210.341168] wiphy_register+0x1b2e/0x25d0 [ 210.341660] ieee80211_register_hw+0x23a4/0x3d60 [ 210.342209] mac80211_hwsim_new_radio+0x2759/0x4d50 [ 210.342791] init_mac80211_hwsim+0x389/0x870 [ 210.343320] do_one_initcall+0xf9/0x640 [ 210.343806] kernel_init_freeable+0x53d/0x7a0 [ 210.344317] kernel_init+0x1e/0x2d0 [ 210.344722] ret_from_fork+0x48/0x80 [ 210.345140] ret_from_fork_asm+0x1a/0x30 [ 210.345608] [ 210.345608] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 210.346214] __lock_acquire+0x29fd/0x4580 [ 210.346683] lock_acquire+0x19b/0x520 [ 210.347118] __mutex_lock+0x13d/0xb50 [ 210.347559] unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.348155] unregister_netdevice_queue+0x224/0x2e0 [ 210.348692] _cfg80211_unregister_wdev+0x57b/0x700 [ 210.349232] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 210.349765] ieee80211_unregister_hw+0x55/0x3a0 [ 210.350279] hwsim_exit_net+0x3a0/0x730 [ 210.350731] ops_exit_list+0xb3/0x180 [ 210.351162] cleanup_net+0x546/0xad0 [ 210.351587] process_one_work+0x8ee/0x1a10 [ 210.352079] worker_thread+0x674/0xe70 [ 210.352539] kthread+0x3ab/0x720 [ 210.352953] ret_from_fork+0x48/0x80 [ 210.353375] ret_from_fork_asm+0x1a/0x30 [ 210.353858] [ 210.353858] other info that might help us debug this: [ 210.353858] [ 210.354597] Possible unsafe locking scenario: [ 210.354597] [ 210.355150] CPU0 CPU1 [ 210.355599] ---- ---- [ 210.356044] lock(&rdev->wiphy.mtx); [ 210.356443] lock(rtnl_mutex); [ 210.357010] lock(&rdev->wiphy.mtx); [ 210.357621] lock(rtnl_mutex); [ 210.357985] [ 210.357985] *** DEADLOCK *** [ 210.357985] [ 210.358538] 4 locks held by kworker/u8:0/11: [ 210.358961] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 210.359991] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 210.360982] #2: ffffffff8620f810 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 210.361896] #3: ffff888037e90768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 210.362949] [ 210.362949] stack backtrace: [ 210.363396] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-rc7-next-20250117 #1 [ 210.364176] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 210.364944] Workqueue: netns cleanup_net [ 210.365350] Call Trace: [ 210.365597] [ 210.365826] dump_stack_lvl+0xca/0x120 [ 210.366243] print_circular_bug+0x47b/0x750 [ 210.366692] check_noncircular+0x2e9/0x3c0 [ 210.367129] ? lock_repin_lock+0x207/0x320 [ 210.367586] ? __pfx_check_noncircular+0x10/0x10 [ 210.368062] ? hlock_class+0x4e/0x130 [ 210.368458] ? mark_lock+0xac/0xed0 [ 210.368847] ? __pfx_lock_repin_lock+0x10/0x10 [ 210.369343] ? lockdep_lock+0xba/0x1b0 [ 210.369768] ? __pfx_lockdep_lock+0x10/0x10 [ 210.370229] __lock_acquire+0x29fd/0x4580 [ 210.370655] ? __pfx___lock_acquire+0x10/0x10 [ 210.371116] ? lock_release+0x20f/0x6f0 [ 210.371517] ? __pfx_lock_release+0x10/0x10 [ 210.371962] lock_acquire+0x19b/0x520 [ 210.372364] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.372955] ? __pfx_lock_acquire+0x10/0x10 [ 210.373401] ? srso_return_thunk+0x5/0x5f [ 210.373834] ? lock_release+0x20f/0x6f0 [ 210.374252] ? srso_return_thunk+0x5/0x5f [ 210.374694] ? lock_is_held_type+0x9e/0x120 [ 210.375156] ? srso_return_thunk+0x5/0x5f [ 210.375602] __mutex_lock+0x13d/0xb50 [ 210.376013] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.376577] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.377161] ? srso_return_thunk+0x5/0x5f [ 210.377604] ? synchronize_rcu_expedited+0x38a/0x420 [ 210.378120] ? __pfx___mutex_lock+0x10/0x10 [ 210.378557] ? __pfx_autoremove_wake_function+0x10/0x10 [ 210.379113] ? srso_return_thunk+0x5/0x5f [ 210.379537] ? kasan_quarantine_put+0x84/0x1e0 [ 210.380016] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 210.380476] ? srso_return_thunk+0x5/0x5f [ 210.380919] unregister_netdevice_many_notify+0x1612/0x1c80 [ 210.381486] ? __virt_addr_valid+0x2e8/0x5d0 [ 210.381941] ? __pfx_lock_release+0x10/0x10 [ 210.382399] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 210.382977] ? find_held_lock+0x2c/0x110 [ 210.383416] ? srso_return_thunk+0x5/0x5f [ 210.383860] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 210.384370] ? srso_return_thunk+0x5/0x5f [ 210.384807] ? lock_release+0x20f/0x6f0 [ 210.385223] ? __pfx_lock_release+0x10/0x10 [ 210.385648] ? srso_return_thunk+0x5/0x5f [ 210.386098] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 210.386611] ? srso_return_thunk+0x5/0x5f [ 210.387052] unregister_netdevice_queue+0x224/0x2e0 [ 210.387534] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 210.388081] ? up_write+0x195/0x520 [ 210.388472] _cfg80211_unregister_wdev+0x57b/0x700 [ 210.388976] ? srso_return_thunk+0x5/0x5f [ 210.389404] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 210.389916] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 210.390450] ? srso_return_thunk+0x5/0x5f [ 210.390889] ? srso_return_thunk+0x5/0x5f [ 210.391332] ? synchronize_rcu+0x1ff/0x260 [ 210.391769] ieee80211_unregister_hw+0x55/0x3a0 [ 210.392262] hwsim_exit_net+0x3a0/0x730 [ 210.392669] ? __pfx_hwsim_exit_net+0x10/0x10 [ 210.393126] ? srso_return_thunk+0x5/0x5f [ 210.393569] ? netdev_run_todo+0x788/0x1040 [ 210.394036] ? srso_return_thunk+0x5/0x5f [ 210.394467] ? __pfx_hwsim_exit_net+0x10/0x10 [ 210.394920] ops_exit_list+0xb3/0x180 [ 210.395315] cleanup_net+0x546/0xad0 [ 210.395706] ? __pfx_cleanup_net+0x10/0x10 [ 210.396149] process_one_work+0x8ee/0x1a10 [ 210.396617] ? __pfx_lock_acquire+0x10/0x10 [ 210.397054] ? __pfx_process_one_work+0x10/0x10 [ 210.397531] ? srso_return_thunk+0x5/0x5f [ 210.397968] ? move_linked_works+0x172/0x270 [ 210.398419] ? srso_return_thunk+0x5/0x5f [ 210.398858] ? assign_work+0x196/0x240 [ 210.399280] worker_thread+0x674/0xe70 [ 210.399688] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 210.400231] ? __pfx_worker_thread+0x10/0x10 [ 210.400685] kthread+0x3ab/0x720 [ 210.401057] ? __pfx_kthread+0x10/0x10 [ 210.401459] ? srso_return_thunk+0x5/0x5f [ 210.401904] ? finish_task_switch.isra.0+0x206/0x840 [ 210.402418] ? __pfx_kthread+0x10/0x10 [ 210.402834] ret_from_fork+0x48/0x80 [ 210.403202] ? __pfx_kthread+0x10/0x10 [ 210.403624] ret_from_fork_asm+0x1a/0x30 [ 210.404059] [ 212.075759] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 212.081607] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 212.084966] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 212.087056] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 212.088041] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 212.089081] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 212.090518] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 212.091723] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 212.092786] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 212.093976] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 212.094993] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 212.096445] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 212.151292] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 212.157804] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 212.161785] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 212.187682] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 212.204656] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 212.206086] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 212.286286] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 212.286415] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 212.290566] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 212.298571] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 212.313513] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 212.313714] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 212.332165] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 212.333390] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 212.334432] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 212.335702] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 212.336899] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 212.338965] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 212.340724] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 212.344746] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 212.346204] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 212.347747] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 212.358396] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 212.362630] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 212.472548] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 212.477638] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 212.481639] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 212.484663] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 212.490618] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 212.491765] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 212.500783] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 212.521508] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 212.534780] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 212.536818] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 212.538900] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 212.545102] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 214.115336] Bluetooth: hci1: command tx timeout [ 214.115415] Bluetooth: hci0: command tx timeout [ 214.245387] Bluetooth: hci2: command tx timeout [ 214.435365] Bluetooth: hci4: command tx timeout [ 214.435594] Bluetooth: hci5: command tx timeout [ 214.436280] Bluetooth: hci3: command tx timeout [ 214.627412] Bluetooth: hci7: command tx timeout [ 214.627641] Bluetooth: hci6: command tx timeout [ 216.165360] Bluetooth: hci1: command tx timeout [ 216.165574] Bluetooth: hci0: command tx timeout [ 216.292272] Bluetooth: hci2: command tx timeout [ 216.484736] Bluetooth: hci3: command tx timeout [ 216.484818] Bluetooth: hci5: command tx timeout [ 216.484861] Bluetooth: hci4: command tx timeout [ 216.676314] Bluetooth: hci6: command tx timeout [ 216.676392] Bluetooth: hci7: command tx timeout [ 218.212289] Bluetooth: hci0: command tx timeout [ 218.212368] Bluetooth: hci1: command tx timeout [ 218.341243] Bluetooth: hci2: command tx timeout [ 218.531370] Bluetooth: hci4: command tx timeout [ 218.532329] Bluetooth: hci5: command tx timeout [ 218.532420] Bluetooth: hci3: command tx timeout [ 218.723274] Bluetooth: hci7: command tx timeout [ 218.723358] Bluetooth: hci6: command tx timeout [ 220.259285] Bluetooth: hci1: command tx timeout [ 220.259370] Bluetooth: hci0: command tx timeout VM DIAGNOSIS: 12:45:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800c2f8000 RCX=ffffffff81429a0f RDX=ffff88800c2f8000 RSI=ffffffff81429a18 RDI=ffff88800c2f8668 RBP=0000000000200000 RSP=ffff88800c307db8 R8 =0000000000000000 R9 =ffffed10017db300 R10=0000000000200000 R11=ffff88800c2f84b8 R12=ffffffff85c62ff9 R13=ffff888008c50378 R14=ffff88800c2f8000 R15=0000000000000086 RIP=ffffffff81429a1f RFL=00000093 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 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=00007f26bdd3da98 CR3=000000001325c000 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 XMM00=2038343a35343a3231203831206e614a XMM01=617420646570706f7453203a5d315b64 XMM02=6c6c694b20465220657661532f64616f XMM03=65747379732072656c6c616b7a797320 XMM04=2034343a33343a3231203831206e614a XMM05=65636f72703d7373616c63742030733a XMM06=733a755f6d65747379733d747865746e XMM07=725f6d65747379733a755f6d65747379 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283cdc5 RDI=ffffffff886930a0 RBP=ffffffff88693060 RSP=ffff8880095debb8 R8 =0000000000000001 R9 =ffffed10012bbd67 R10=0000000000000031 R11=6f6c206863696877 R12=0000000000000031 R13=0000000000000001 R14=ffff888008fea00b R15=ffff8880095deeb8 RIP=ffffffff8283ce1d 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 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=00005639d2828bc8 CR3=000000001325c000 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 XMM00=00000000000000000000000000000000 XMM01=7661532f64616f4c2064657472617453 XMM02=6c694b20465220657661532f64616f4c XMM03=747379732038343a35343a3231203831 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343631 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000