Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:19206' (ECDSA) to the list of known hosts. 2022/09/20 13:03:21 fuzzer started 2022/09/20 13:03:21 dialing manager at localhost:34957 syzkaller login: [ 36.950293] cgroup: Unknown subsys name 'net' [ 37.061703] cgroup: Unknown subsys name 'rlimit' 2022/09/20 13:03:36 syscalls: 2215 2022/09/20 13:03:36 code coverage: enabled 2022/09/20 13:03:36 comparison tracing: enabled 2022/09/20 13:03:36 extra coverage: enabled 2022/09/20 13:03:36 setuid sandbox: enabled 2022/09/20 13:03:36 namespace sandbox: enabled 2022/09/20 13:03:36 Android sandbox: enabled 2022/09/20 13:03:36 fault injection: enabled 2022/09/20 13:03:36 leak checking: enabled 2022/09/20 13:03:36 net packet injection: enabled 2022/09/20 13:03:36 net device setup: enabled 2022/09/20 13:03:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/20 13:03:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/20 13:03:36 USB emulation: enabled 2022/09/20 13:03:36 hci packet injection: enabled 2022/09/20 13:03:36 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220920) 2022/09/20 13:03:36 802.15.4 emulation: enabled 2022/09/20 13:03:36 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/20 13:03:36 fetching corpus: 36, signal 26938/30435 (executing program) 2022/09/20 13:03:37 fetching corpus: 86, signal 40983/45886 (executing program) 2022/09/20 13:03:37 fetching corpus: 135, signal 50613/56762 (executing program) 2022/09/20 13:03:37 fetching corpus: 185, signal 56947/64324 (executing program) 2022/09/20 13:03:37 fetching corpus: 235, signal 63134/71639 (executing program) 2022/09/20 13:03:37 fetching corpus: 284, signal 69136/78700 (executing program) 2022/09/20 13:03:37 fetching corpus: 334, signal 75211/85728 (executing program) 2022/09/20 13:03:37 fetching corpus: 384, signal 78359/89936 (executing program) 2022/09/20 13:03:37 fetching corpus: 433, signal 82528/95048 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(executing program) 2022/09/20 13:03:39 fetching corpus: 1078, signal 121679/142356 (executing program) 2022/09/20 13:03:39 fetching corpus: 1128, signal 123104/144359 (executing program) 2022/09/20 13:03:39 fetching corpus: 1178, signal 125817/147414 (executing program) 2022/09/20 13:03:39 fetching corpus: 1228, signal 127263/149413 (executing program) 2022/09/20 13:03:40 fetching corpus: 1278, signal 129118/151701 (executing program) 2022/09/20 13:03:40 fetching corpus: 1328, signal 130253/153371 (executing program) 2022/09/20 13:03:40 fetching corpus: 1378, signal 132899/156161 (executing program) 2022/09/20 13:03:40 fetching corpus: 1428, signal 135201/158667 (executing program) 2022/09/20 13:03:40 fetching corpus: 1477, signal 136180/160193 (executing program) 2022/09/20 13:03:40 fetching corpus: 1527, signal 138213/162405 (executing program) 2022/09/20 13:03:40 fetching corpus: 1577, signal 139911/164327 (executing program) 2022/09/20 13:03:40 fetching corpus: 1627, signal 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program) 2022/09/20 13:03:50 fetching corpus: 5218, signal 214107/221967 (executing program) 2022/09/20 13:03:50 fetching corpus: 5267, signal 214855/222057 (executing program) 2022/09/20 13:03:50 fetching corpus: 5317, signal 215324/222133 (executing program) 2022/09/20 13:03:50 fetching corpus: 5367, signal 216180/222187 (executing program) 2022/09/20 13:03:50 fetching corpus: 5403, signal 216443/222193 (executing program) 2022/09/20 13:03:50 fetching corpus: 5403, signal 216443/222193 (executing program) 2022/09/20 13:03:53 starting 8 fuzzer processes 13:03:53 executing program 0: timer_create(0x0, 0x0, &(0x7f0000000180)) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) timer_gettime(0x0, &(0x7f0000000000)) 13:03:53 executing program 1: syz_mount_image$vfat(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f0000000180)) syz_mount_image$tmpfs(&(0x7f0000000280), &(0x7f00000002c0)='./file0/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$ext4(&(0x7f0000004c00)='ext4\x00', &(0x7f0000004c40)='./file0/file0\x00', 0x0, 0x2, &(0x7f0000005140)=[{&(0x7f0000004c80)='w', 0x1}, {&(0x7f0000004d40)="ad", 0x1, 0xffffffffffff1be9}], 0x9c6605d6d61a75f3, &(0x7f0000005200)) 13:03:53 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) lseek(r0, 0x0, 0x0) [ 68.780539] audit: type=1400 audit(1663679033.965:6): avc: denied { execmem } for pid=285 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 13:03:53 executing program 3: pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000004300), 0xffffffffffffffff) 13:03:53 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f00000000c0)={{0x1}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, 0x0) 13:03:54 executing program 5: r0 = eventfd(0x0) write$eventfd(r0, 0x0, 0x0) 13:03:54 executing program 6: sendmsg$ETHTOOL_MSG_COALESCE_GET(0xffffffffffffffff, 0x0, 0x0) sendmsg$ETHTOOL_MSG_FEATURES_SET(0xffffffffffffffff, 0x0, 0x40040) getpid() r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000580)='blkio.bfq.io_service_bytes_recursive\x00', 0x0, 0x0) openat$cgroup_netprio_ifpriomap(r0, &(0x7f00000005c0), 0x2, 0x0) ptrace$setregs(0xffffffffffffffff, 0x0, 0x5, &(0x7f0000000600)="0dc98847ceaec43ec2e6d24a4eadaa5563753927e0e5b66e94a67d2d7e0c4b0f5dbe4b01fac3715f19d1b7dd4f071f8282f6b6d30acaf36e400172d02d90e60e6be7a905dbc99d0b86544d6a6b5d71f41967c5127c0ef146e01a") signalfd4(0xffffffffffffffff, &(0x7f0000000680), 0x8, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000700), 0xffffffffffffffff) 13:03:54 executing program 7: r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = fcntl$getown(r0, 0x9) fallocate(0xffffffffffffffff, 0x0, 0x0, 0x87ffffc) perf_event_open(&(0x7f00000006c0)={0x0, 0x80, 0xa4, 0x94, 0x40, 0x20, 0x0, 0x17, 0x10000, 0xc, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x3, 0x4, @perf_bp={&(0x7f0000000180), 0x9}, 0x22, 0xffff, 0x401, 0x0, 0x8000, 0x0, 0x7ff, 0x0, 0x5}, r1, 0xe, 0xffffffffffffffff, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000300)=ANY=[@ANYBLOB="010000000100000018000000694c1a3547122747b08e4e073494f2ac8999d7009c5196903c2ed99ad4c19522c75bc6f979c6807a9891bc18efcd9d5e2f69fc960780520f996905aab611a112ad9e62e0b0657e33f2d9ebde28999ac27fedc6eda6b935e558e5a83227de285afd1d37ee3b9ab10cb55b819b6e541ff3f300ad13fe5ceb190baa9da9", @ANYRES32, @ANYBLOB="060c0000000000002e2f66696c653000"]) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000000)={'lo\x00'}) r3 = syz_open_dev$sg(&(0x7f0000001000), 0x0, 0x0) preadv(r2, &(0x7f0000000640)=[{&(0x7f0000000200)=""/32, 0x20}, {&(0x7f00000003c0)=""/242, 0xf2}, {&(0x7f0000000240)}, {&(0x7f00000004c0)=""/247, 0xf7}, {&(0x7f00000005c0)=""/88, 0x58}], 0x5, 0x9, 0x8000) ioctl$BLKTRACESETUP(r3, 0xc0481273, &(0x7f0000000000)={'\x00', 0x0, 0x1, 0xd6c2}) [ 70.096441] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 70.096450] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.099384] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.099401] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 70.102736] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 70.112509] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.115145] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 70.117570] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 70.119366] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.119430] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 70.173159] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 70.174728] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 70.177210] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 70.178535] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 70.181803] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 70.182560] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 70.183399] Bluetooth: hci1: HCI_REQ-0x0c1a [ 70.185192] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 70.186733] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.188301] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 70.188416] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 70.191225] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 70.192427] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.199050] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 70.200391] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 70.204307] Bluetooth: hci0: HCI_REQ-0x0c1a [ 70.204596] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 70.206657] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 70.208037] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 70.209315] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 70.213265] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 70.214338] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 70.217042] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 70.219326] Bluetooth: hci5: HCI_REQ-0x0c1a [ 70.222366] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 70.223370] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 70.223381] Bluetooth: hci7: HCI_REQ-0x0c1a [ 70.224361] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 70.226242] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 70.229151] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 70.238719] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 70.240008] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 70.243095] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 70.245129] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 70.246820] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 70.251787] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 70.253197] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 70.256377] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 70.256434] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 70.259601] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 70.262434] Bluetooth: hci2: HCI_REQ-0x0c1a [ 70.268955] Bluetooth: hci4: HCI_REQ-0x0c1a [ 70.271910] Bluetooth: hci3: HCI_REQ-0x0c1a [ 70.276186] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 70.278425] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 70.286464] Bluetooth: hci6: HCI_REQ-0x0c1a [ 72.242982] Bluetooth: hci5: command 0x0409 tx timeout [ 72.242999] Bluetooth: hci1: command 0x0409 tx timeout [ 72.244042] Bluetooth: hci0: command 0x0409 tx timeout [ 72.306753] Bluetooth: hci6: command 0x0409 tx timeout [ 72.307539] Bluetooth: hci4: command 0x0409 tx timeout [ 72.308108] Bluetooth: hci7: command 0x0409 tx timeout [ 72.308792] Bluetooth: hci3: command 0x0409 tx timeout [ 72.309396] Bluetooth: hci2: command 0x0409 tx timeout [ 74.290728] Bluetooth: hci1: command 0x041b tx timeout [ 74.291210] Bluetooth: hci5: command 0x041b tx timeout [ 74.291759] Bluetooth: hci0: command 0x041b tx timeout [ 74.354768] Bluetooth: hci2: command 0x041b tx timeout [ 74.355200] Bluetooth: hci3: command 0x041b tx timeout [ 74.355603] Bluetooth: hci7: command 0x041b tx timeout [ 74.356056] Bluetooth: hci4: command 0x041b tx timeout [ 74.356470] Bluetooth: hci6: command 0x041b tx timeout [ 76.338817] Bluetooth: hci0: command 0x040f tx timeout [ 76.339595] Bluetooth: hci5: command 0x040f tx timeout [ 76.340350] Bluetooth: hci1: command 0x040f tx timeout [ 76.402738] Bluetooth: hci6: command 0x040f tx timeout [ 76.403469] Bluetooth: hci4: command 0x040f tx timeout [ 76.404232] Bluetooth: hci7: command 0x040f tx timeout [ 76.404975] Bluetooth: hci3: command 0x040f tx timeout [ 76.405730] Bluetooth: hci2: command 0x040f tx timeout [ 78.387117] Bluetooth: hci1: command 0x0419 tx timeout [ 78.388299] Bluetooth: hci5: command 0x0419 tx timeout [ 78.389112] Bluetooth: hci0: command 0x0419 tx timeout [ 78.450771] Bluetooth: hci2: command 0x0419 tx timeout [ 78.451597] Bluetooth: hci3: command 0x0419 tx timeout [ 78.452416] Bluetooth: hci7: command 0x0419 tx timeout [ 78.453218] Bluetooth: hci4: command 0x0419 tx timeout [ 78.454007] Bluetooth: hci6: command 0x0419 tx timeout 13:04:51 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f00000000c0)={{0x1}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, 0x0) 13:04:51 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f00000000c0)={{0x1}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, 0x0) 13:04:51 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f00000000c0)={{0x1}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, 0x0) 13:04:52 executing program 5: syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid\x00') 13:04:52 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8917, &(0x7f0000000000)={'lo\x00'}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8916, &(0x7f0000000000)={'lo\x00'}) 13:04:52 executing program 5: socket$inet_udp(0x2, 0x2, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@nodevmap}]}}) 13:04:52 executing program 4: sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nl802154(&(0x7f0000000600), 0xffffffffffffffff) 13:04:52 executing program 4: recvmsg$unix(0xffffffffffffffff, 0x0, 0xc0000023) [ 128.099657] FAT-fs (loop1): bogus number of reserved sectors [ 128.100223] FAT-fs (loop1): Can't find a valid FAT filesystem [ 128.112386] loop1: detected capacity change from 0 to 16155 [ 128.126529] loop1: detected capacity change from 0 to 16155 [ 128.522834] audit: type=1400 audit(1663679093.706:7): avc: denied { open } for pid=3951 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.524394] audit: type=1400 audit(1663679093.706:8): avc: denied { kernel } for pid=3951 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 128.535208] ------------[ cut here ]------------ [ 128.535231] [ 128.535234] ====================================================== [ 128.535238] WARNING: possible circular locking dependency detected [ 128.535242] 6.0.0-rc6-next-20220920 #1 Not tainted [ 128.535249] ------------------------------------------------------ [ 128.535252] syz-executor.7/3952 is trying to acquire lock: [ 128.535259] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 128.535301] [ 128.535301] but task is already holding lock: [ 128.535304] ffff88800de3fc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.535333] [ 128.535333] which lock already depends on the new lock. [ 128.535333] [ 128.535336] [ 128.535336] the existing dependency chain (in reverse order) is: [ 128.535339] [ 128.535339] -> #3 (&ctx->lock){....}-{2:2}: [ 128.535353] _raw_spin_lock+0x2a/0x40 [ 128.535373] __perf_event_task_sched_out+0x53b/0x18d0 [ 128.535386] __schedule+0xedd/0x2470 [ 128.535399] schedule+0xda/0x1b0 [ 128.535411] futex_wait_queue+0xf5/0x1e0 [ 128.535423] futex_wait+0x28e/0x690 [ 128.535433] do_futex+0x2ff/0x380 [ 128.535442] __x64_sys_futex+0x1c6/0x4d0 [ 128.535452] do_syscall_64+0x3b/0x90 [ 128.535468] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.535487] [ 128.535487] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 128.535500] _raw_spin_lock_nested+0x30/0x40 [ 128.535517] raw_spin_rq_lock_nested+0x1e/0x30 [ 128.535531] task_fork_fair+0x63/0x4d0 [ 128.535547] sched_cgroup_fork+0x3d0/0x540 [ 128.535561] copy_process+0x4183/0x6e20 [ 128.535572] kernel_clone+0xe7/0x890 [ 128.535581] user_mode_thread+0xad/0xf0 [ 128.535592] rest_init+0x24/0x250 [ 128.535602] arch_call_rest_init+0xf/0x14 [ 128.535621] start_kernel+0x4c1/0x4e6 [ 128.535633] secondary_startup_64_no_verify+0xe0/0xeb [ 128.535648] [ 128.535648] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 128.535661] _raw_spin_lock_irqsave+0x39/0x60 [ 128.535678] try_to_wake_up+0xab/0x1930 [ 128.535691] up+0x75/0xb0 [ 128.535702] __up_console_sem+0x6e/0x80 [ 128.535718] console_unlock+0x46a/0x590 [ 128.535734] do_con_write+0xc05/0x1d50 [ 128.535746] con_write+0x21/0x40 [ 128.535756] n_tty_write+0x4d4/0xfe0 [ 128.535770] file_tty_write.constprop.0+0x49c/0x8f0 [ 128.535782] vfs_write+0x9c3/0xd90 [ 128.535801] ksys_write+0x127/0x250 [ 128.535817] do_syscall_64+0x3b/0x90 [ 128.535832] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.535851] [ 128.535851] -> #0 ((console_sem).lock){....}-{2:2}: [ 128.535865] __lock_acquire+0x2a02/0x5e70 [ 128.535881] lock_acquire+0x1a2/0x530 [ 128.535897] _raw_spin_lock_irqsave+0x39/0x60 [ 128.535914] down_trylock+0xe/0x70 [ 128.535926] __down_trylock_console_sem+0x3b/0xd0 [ 128.535942] vprintk_emit+0x16b/0x560 [ 128.535958] vprintk+0x84/0xa0 [ 128.535974] _printk+0xba/0xf1 [ 128.535984] report_bug.cold+0x72/0xab [ 128.536000] handle_bug+0x3c/0x70 [ 128.536015] exc_invalid_op+0x14/0x50 [ 128.536030] asm_exc_invalid_op+0x16/0x20 [ 128.536040] group_sched_out.part.0+0x2c7/0x460 [ 128.536051] ctx_sched_out+0x8f1/0xc10 [ 128.536061] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.536073] __schedule+0xedd/0x2470 [ 128.536085] schedule+0xda/0x1b0 [ 128.536097] futex_wait_queue+0xf5/0x1e0 [ 128.536107] futex_wait+0x28e/0x690 [ 128.536118] do_futex+0x2ff/0x380 [ 128.536127] __x64_sys_futex+0x1c6/0x4d0 [ 128.536137] do_syscall_64+0x3b/0x90 [ 128.536152] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.536170] [ 128.536170] other info that might help us debug this: [ 128.536170] [ 128.536173] Chain exists of: [ 128.536173] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 128.536173] [ 128.536188] Possible unsafe locking scenario: [ 128.536188] [ 128.536190] CPU0 CPU1 [ 128.536192] ---- ---- [ 128.536195] lock(&ctx->lock); [ 128.536201] lock(&rq->__lock); [ 128.536207] lock(&ctx->lock); [ 128.536213] lock((console_sem).lock); [ 128.536219] [ 128.536219] *** DEADLOCK *** [ 128.536219] [ 128.536221] 2 locks held by syz-executor.7/3952: [ 128.536228] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 128.536256] #1: ffff88800de3fc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 128.536283] [ 128.536283] stack backtrace: [ 128.536286] CPU: 1 PID: 3952 Comm: syz-executor.7 Not tainted 6.0.0-rc6-next-20220920 #1 [ 128.536299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 128.536307] Call Trace: [ 128.536311] [ 128.536315] dump_stack_lvl+0x8b/0xb3 [ 128.536332] check_noncircular+0x263/0x2e0 [ 128.536348] ? format_decode+0x26c/0xb50 [ 128.536368] ? print_circular_bug+0x450/0x450 [ 128.536387] ? enable_ptr_key_workfn+0x20/0x20 [ 128.536402] ? __lockdep_reset_lock+0x180/0x180 [ 128.536418] ? format_decode+0x26c/0xb50 [ 128.536434] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 128.536452] __lock_acquire+0x2a02/0x5e70 [ 128.536473] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 128.536495] lock_acquire+0x1a2/0x530 [ 128.536512] ? down_trylock+0xe/0x70 [ 128.536526] ? lock_release+0x750/0x750 [ 128.536543] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 128.536564] ? vprintk+0x84/0xa0 [ 128.536581] _raw_spin_lock_irqsave+0x39/0x60 [ 128.536599] ? down_trylock+0xe/0x70 [ 128.536612] down_trylock+0xe/0x70 [ 128.536626] ? vprintk+0x84/0xa0 [ 128.536642] __down_trylock_console_sem+0x3b/0xd0 [ 128.536660] vprintk_emit+0x16b/0x560 [ 128.536676] ? lock_downgrade+0x6d0/0x6d0 [ 128.536694] vprintk+0x84/0xa0 [ 128.536711] _printk+0xba/0xf1 [ 128.536722] ? record_print_text.cold+0x16/0x16 [ 128.536734] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 128.536748] ? lock_downgrade+0x6d0/0x6d0 [ 128.536766] ? report_bug.cold+0x66/0xab [ 128.536782] ? group_sched_out.part.0+0x2c7/0x460 [ 128.536794] report_bug.cold+0x72/0xab [ 128.536811] handle_bug+0x3c/0x70 [ 128.536827] exc_invalid_op+0x14/0x50 [ 128.536843] asm_exc_invalid_op+0x16/0x20 [ 128.536855] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 128.536869] 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 [ 128.536881] RSP: 0018:ffff888041bb78f8 EFLAGS: 00010006 [ 128.536890] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 128.536897] RDX: ffff88800ff25040 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 128.536905] RBP: ffff888041be05c8 R08: 0000000000000005 R09: 0000000000000001 [ 128.536913] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800de3fc00 [ 128.536921] R13: ffff88806cf3d140 R14: ffffffff8547d020 R15: 0000000000000002 [ 128.536932] ? group_sched_out.part.0+0x2c7/0x460 [ 128.536945] ? group_sched_out.part.0+0x2c7/0x460 [ 128.536958] ctx_sched_out+0x8f1/0xc10 [ 128.536971] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.536987] ? lock_is_held_type+0xd7/0x130 [ 128.536999] ? __perf_cgroup_move+0x160/0x160 [ 128.537011] ? set_next_entity+0x304/0x550 [ 128.537030] ? lock_is_held_type+0xd7/0x130 [ 128.537043] __schedule+0xedd/0x2470 [ 128.537058] ? io_schedule_timeout+0x150/0x150 [ 128.537072] ? futex_wait_setup+0x166/0x230 [ 128.537086] schedule+0xda/0x1b0 [ 128.537099] futex_wait_queue+0xf5/0x1e0 [ 128.537112] futex_wait+0x28e/0x690 [ 128.537124] ? futex_wait_setup+0x230/0x230 [ 128.537137] ? wake_up_q+0x8b/0xf0 [ 128.537150] ? do_raw_spin_unlock+0x4f/0x220 [ 128.537169] ? futex_wake+0x158/0x490 [ 128.537187] do_futex+0x2ff/0x380 [ 128.537198] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 128.537211] ? trace_rcu_dyntick+0x1a7/0x250 [ 128.537233] __x64_sys_futex+0x1c6/0x4d0 [ 128.537245] ? __x64_sys_futex_time32+0x480/0x480 [ 128.537259] ? syscall_enter_from_user_mode+0x27/0x50 [ 128.537273] do_syscall_64+0x3b/0x90 [ 128.537289] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.537308] RIP: 0033:0x7fec638deb19 [ 128.537317] 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 [ 128.537328] RSP: 002b:00007fec60e54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 128.537339] RAX: ffffffffffffffda RBX: 00007fec639f1f68 RCX: 00007fec638deb19 [ 128.537347] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fec639f1f68 [ 128.537354] RBP: 00007fec639f1f60 R08: 0000000000000000 R09: 0000000000000000 [ 128.537361] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec639f1f6c [ 128.537369] R13: 00007ffe3905906f R14: 00007fec60e54300 R15: 0000000000022000 [ 128.537381] [ 128.598325] WARNING: CPU: 1 PID: 3952 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 128.599004] Modules linked in: [ 128.599252] CPU: 1 PID: 3952 Comm: syz-executor.7 Not tainted 6.0.0-rc6-next-20220920 #1 [ 128.599839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 128.600669] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 128.601062] 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 [ 128.602400] RSP: 0018:ffff888041bb78f8 EFLAGS: 00010006 [ 128.602788] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 128.603314] RDX: ffff88800ff25040 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 128.603829] RBP: ffff888041be05c8 R08: 0000000000000005 R09: 0000000000000001 [ 128.604345] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800de3fc00 [ 128.604867] R13: ffff88806cf3d140 R14: ffffffff8547d020 R15: 0000000000000002 [ 128.605393] FS: 00007fec60e54700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 128.605980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 128.606406] CR2: 00007fec639f2018 CR3: 00000000405a2000 CR4: 0000000000350ee0 [ 128.606932] Call Trace: [ 128.607132] [ 128.607303] ctx_sched_out+0x8f1/0xc10 [ 128.607598] __perf_event_task_sched_out+0x6d0/0x18d0 [ 128.607980] ? lock_is_held_type+0xd7/0x130 [ 128.608299] ? __perf_cgroup_move+0x160/0x160 [ 128.608636] ? set_next_entity+0x304/0x550 [ 128.608957] ? lock_is_held_type+0xd7/0x130 [ 128.609272] __schedule+0xedd/0x2470 [ 128.609550] ? io_schedule_timeout+0x150/0x150 [ 128.609890] ? futex_wait_setup+0x166/0x230 [ 128.610210] schedule+0xda/0x1b0 [ 128.610473] futex_wait_queue+0xf5/0x1e0 [ 128.610774] futex_wait+0x28e/0x690 [ 128.611061] ? futex_wait_setup+0x230/0x230 [ 128.611383] ? wake_up_q+0x8b/0xf0 [ 128.611652] ? do_raw_spin_unlock+0x4f/0x220 [ 128.611985] ? futex_wake+0x158/0x490 [ 128.612274] do_futex+0x2ff/0x380 [ 128.612534] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 128.612960] ? trace_rcu_dyntick+0x1a7/0x250 [ 128.613291] __x64_sys_futex+0x1c6/0x4d0 [ 128.613595] ? __x64_sys_futex_time32+0x480/0x480 [ 128.613951] ? syscall_enter_from_user_mode+0x27/0x50 [ 128.614332] do_syscall_64+0x3b/0x90 [ 128.614618] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 128.615002] RIP: 0033:0x7fec638deb19 [ 128.615290] 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 [ 128.616627] RSP: 002b:00007fec60e54218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 128.617176] RAX: ffffffffffffffda RBX: 00007fec639f1f68 RCX: 00007fec638deb19 [ 128.617701] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fec639f1f68 [ 128.618216] RBP: 00007fec639f1f60 R08: 0000000000000000 R09: 0000000000000000 [ 128.618731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec639f1f6c [ 128.619266] R13: 00007ffe3905906f R14: 00007fec60e54300 R15: 0000000000022000 [ 128.619786] [ 128.619960] irq event stamp: 1048 [ 128.620216] hardirqs last enabled at (1047): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 128.620936] hardirqs last disabled at (1048): [] __schedule+0x1225/0x2470 [ 128.621548] softirqs last enabled at (998): [] __irq_exit_rcu+0x11b/0x180 [ 128.622171] softirqs last disabled at (985): [] __irq_exit_rcu+0x11b/0x180 [ 128.622785] ---[ end trace 0000000000000000 ]--- [ 128.686247] blktrace: Concurrent blktraces are not allowed on sg0 [ 133.682712] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 137.906719] Bluetooth: hci1: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 13:04:54 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff84263897 RDX=ffffed100d9e6fa1 RSI=0000000000000004 RDI=ffff88806cf37d00 RBP=ffff88806cf37d00 RSP=ffff888041b179e0 R8 =0000000000000000 R9 =ffff88806cf37d03 R10=ffffed100d9e6fa0 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9e6fa0 R14=0000000000000001 R15=1ffff11008362f3d RIP=ffffffff84263914 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 0000555555a11400 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=00007f0cf4100000 CR3=00000000405a2000 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 0000000000ff0000 YMM01=0000000000000000 0000000000000000 0000000000000000 00000000ff000000 YMM02=0000000000000000 0000000000000000 00000000ff000000 0000000000000000 YMM03=0000000000000000 0000000000000000 00007fec639c57c8 00007fec639c57c0 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=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1551 RDI=ffffffff87643ba0 RBP=ffffffff87643b60 RSP=ffff888041bb7348 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00007fec60e54700 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=00007fec639f2018 CR3=00000000405a2000 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 00007fec639c57c0 00007fec639c57c8 YMM02=0000000000000000 0000000000000000 00007fec639c57e0 00007fec639c57c0 YMM03=0000000000000000 0000000000000000 00007fec639c57c8 00007fec639c57c0 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