Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5693' (ECDSA) to the list of known hosts. 2022/09/13 14:50:02 fuzzer started 2022/09/13 14:50:03 dialing manager at localhost:36597 syzkaller login: [ 35.755351] cgroup: Unknown subsys name 'net' [ 35.848959] cgroup: Unknown subsys name 'rlimit' 2022/09/13 14:50:16 syscalls: 2215 2022/09/13 14:50:16 code coverage: enabled 2022/09/13 14:50:16 comparison tracing: enabled 2022/09/13 14:50:16 extra coverage: enabled 2022/09/13 14:50:16 setuid sandbox: enabled 2022/09/13 14:50:16 namespace sandbox: enabled 2022/09/13 14:50:16 Android sandbox: enabled 2022/09/13 14:50:16 fault injection: enabled 2022/09/13 14:50:16 leak checking: enabled 2022/09/13 14:50:16 net packet injection: enabled 2022/09/13 14:50:16 net device setup: enabled 2022/09/13 14:50:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 14:50:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 14:50:16 USB emulation: enabled 2022/09/13 14:50:16 hci packet injection: enabled 2022/09/13 14:50:16 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 14:50:16 802.15.4 emulation: enabled 2022/09/13 14:50:16 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 14:50:17 fetching corpus: 50, signal 20713/24355 (executing program) 2022/09/13 14:50:17 fetching corpus: 100, signal 36547/41548 (executing program) 2022/09/13 14:50:17 fetching corpus: 150, signal 47858/54146 (executing program) 2022/09/13 14:50:17 fetching corpus: 200, signal 54299/61855 (executing program) 2022/09/13 14:50:17 fetching corpus: 250, signal 62278/70911 (executing program) 2022/09/13 14:50:17 fetching corpus: 300, signal 70016/79558 (executing program) 2022/09/13 14:50:18 fetching corpus: 350, signal 75657/86184 (executing program) 2022/09/13 14:50:18 fetching corpus: 400, signal 82699/93925 (executing program) 2022/09/13 14:50:18 fetching corpus: 448, signal 88548/100482 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program) 2022/09/13 14:50:30 fetching corpus: 4700, signal 212834/220889 (executing program) 2022/09/13 14:50:30 fetching corpus: 4700, signal 212834/220972 (executing program) 2022/09/13 14:50:30 fetching corpus: 4700, signal 212834/221003 (executing program) 2022/09/13 14:50:30 fetching corpus: 4700, signal 212834/221003 (executing program) 2022/09/13 14:50:33 starting 8 fuzzer processes 14:50:33 executing program 0: syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), 0xffffffffffffffff) 14:50:33 executing program 7: socket(0x0, 0x0, 0x0) 14:50:33 executing program 1: socketpair(0x11, 0x0, 0x0, &(0x7f0000001380)) 14:50:33 executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/tty/drivers\x00', 0x0, 0x0) preadv(r0, &(0x7f0000000100)=[{&(0x7f0000002240)=""/4109, 0x100d}], 0x1, 0x1007, 0x0) 14:50:33 executing program 2: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$int_out(0xffffffffffffffff, 0x5460, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000000080)={@multicast2, @dev}, 0xc) setsockopt$inet_mreqn(r0, 0x0, 0x26, &(0x7f0000000180)={@multicast2, @local}, 0xc) r1 = socket$nl_audit(0x10, 0x3, 0x9) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'sit0\x00', 0x0}) r3 = socket$inet_icmp(0x2, 0x2, 0x1) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0xff, 0xe7, 0x2, 0x4, 0x0, 0x7, 0x42321, 0x8, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0xfffffffd, 0x2, @perf_config_ext={0x8, 0x8}, 0x2030, 0x100, 0x7fffffff, 0x1, 0x101, 0x68a558ac, 0x3, 0x0, 0x0, 0x0, 0x1f}, 0xffffffffffffffff, 0xfffffffffffffe00, 0xffffffffffffffff, 0x0) r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) r5 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f00000000c0)={'sit0\x00', 0x0}) ioctl$TUNSETIFINDEX(r4, 0x400454da, &(0x7f0000000080)=r6) setsockopt$inet_mreqn(r3, 0x0, 0x24, &(0x7f0000000000)={@initdev={0xac, 0x1e, 0x1, 0x0}, @local, r6}, 0xc) r7 = socket(0x11, 0x2, 0x0) bind$packet(r7, &(0x7f0000005280)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @remote}, 0x14) close(r0) setsockopt$sock_int(r7, 0x1, 0x23, &(0x7f0000000040)=0x3bd6, 0x4) [ 65.931276] audit: type=1400 audit(1663080633.479:6): avc: denied { execmem } for pid=283 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:50:33 executing program 5: syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f7366d8a0ab00080114000440f81f00f801", 0x17}, {0x0, 0x0, 0x2800}], 0x2000012, &(0x7f0000000140)=ANY=[]) chdir(&(0x7f0000000140)='./file0\x00') openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) chdir(&(0x7f0000000040)='./file0\x00') r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f00000000c0)={@in6={{0xa, 0x0, 0x0, @private1}}, 0x0, 0x0, 0x3f, 0x0, "704f5992d666aa2888e479ca552ee155f638582a91ca97213cf4774a2e4c350cdc3f9f62a4c21970bd149a52fa311b916bf00b51b808c412ed6b9fcbb5be4a2fb7dd8fd0dfa22b4100"}, 0xd8) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f00000018c0)=0x1, 0x4) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000000), 0x4) 14:50:33 executing program 3: timer_create(0x0, &(0x7f00000000c0)={0x0, 0x0, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000100)) 14:50:33 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x1200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) fallocate(r0, 0x0, 0x0, 0x87ffffc) r1 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0) readv(r1, 0x0, 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000000780)='./file1/file0\x00', 0x0, 0x1ff8) setresuid(0x0, 0x0, 0x0) r2 = openat$cgroup_subtree(r0, &(0x7f0000000000), 0x2, 0x0) ioctl$PTP_SYS_OFFSET_PRECISE(r1, 0xc0403d08, 0x0) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(r0, 0xc0189379, &(0x7f00000006c0)=ANY=[@ANYBLOB="0100", @ANYRES32=r2, @ANYBLOB="0000080015001d012a2fb66e6665312f66696c00300041201122816fb2512eec64fc4bc609abaf1184211e3df549c056390d179f44615531a0cf2fd52033a4e4f17a4a062d172937166657779bda5e0a67a26c575bd6e8d6a6378f425c3c9db33efa5c4822882d3bbedd029e6fc31c0d4a56f2c91fa5800aa760101b82c2b7fc0cbdf794"]) syz_open_dev$tty20(0xc, 0x4, 0x1) io_submit(0x0, 0x1, &(0x7f0000000080)=[&(0x7f0000000040)={0x0, 0x0, 0x8, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x7ffffffff000}]) syz_open_procfs(0x0, &(0x7f0000000380)='net/igmp6\x00') [ 67.107842] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.110027] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.111542] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.114702] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.116864] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.118328] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.135392] Bluetooth: hci0: HCI_REQ-0x0c1a [ 67.185964] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 67.188350] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 67.194419] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 67.196119] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 67.198388] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 67.203085] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 67.204801] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 67.206620] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 67.220331] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 67.221474] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 67.221693] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 67.224204] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 67.224422] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 67.225570] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 67.226688] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 67.227928] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 67.230426] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 67.231016] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 67.233245] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 67.234912] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 67.237717] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 67.239433] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 67.241923] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 67.243410] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 67.244559] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 67.246523] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 67.248197] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 67.251076] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 67.252563] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 67.253717] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 67.257909] Bluetooth: hci3: HCI_REQ-0x0c1a [ 67.260539] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 67.261946] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 67.262631] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 67.264696] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 67.268806] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 67.270719] Bluetooth: hci1: HCI_REQ-0x0c1a [ 67.274118] Bluetooth: hci6: HCI_REQ-0x0c1a [ 67.278288] Bluetooth: hci2: HCI_REQ-0x0c1a [ 67.279126] Bluetooth: hci4: HCI_REQ-0x0c1a [ 67.304097] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 67.307542] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 67.309558] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 67.314436] Bluetooth: hci7: HCI_REQ-0x0c1a [ 67.338731] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 67.343120] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 67.346177] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 67.349692] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 67.359012] Bluetooth: hci5: HCI_REQ-0x0c1a [ 69.197288] Bluetooth: hci0: command 0x0409 tx timeout [ 69.324627] Bluetooth: hci7: command 0x0409 tx timeout [ 69.325072] Bluetooth: hci2: command 0x0409 tx timeout [ 69.325470] Bluetooth: hci4: command 0x0409 tx timeout [ 69.326283] Bluetooth: hci6: command 0x0409 tx timeout [ 69.326982] Bluetooth: hci3: command 0x0409 tx timeout [ 69.330138] Bluetooth: hci1: command 0x0409 tx timeout [ 69.389670] Bluetooth: hci5: command 0x0409 tx timeout [ 71.244553] Bluetooth: hci0: command 0x041b tx timeout [ 71.372618] Bluetooth: hci3: command 0x041b tx timeout [ 71.373073] Bluetooth: hci4: command 0x041b tx timeout [ 71.373441] Bluetooth: hci2: command 0x041b tx timeout [ 71.373561] Bluetooth: hci1: command 0x041b tx timeout [ 71.373840] Bluetooth: hci7: command 0x041b tx timeout [ 71.374306] Bluetooth: hci6: command 0x041b tx timeout [ 71.437956] Bluetooth: hci5: command 0x041b tx timeout [ 73.293575] Bluetooth: hci0: command 0x040f tx timeout [ 73.420532] Bluetooth: hci7: command 0x040f tx timeout [ 73.420664] Bluetooth: hci6: command 0x040f tx timeout [ 73.422597] Bluetooth: hci1: command 0x040f tx timeout [ 73.423013] Bluetooth: hci2: command 0x040f tx timeout [ 73.423416] Bluetooth: hci4: command 0x040f tx timeout [ 73.423901] Bluetooth: hci3: command 0x040f tx timeout [ 73.485565] Bluetooth: hci5: command 0x040f tx timeout [ 75.340526] Bluetooth: hci0: command 0x0419 tx timeout [ 75.468583] Bluetooth: hci3: command 0x0419 tx timeout [ 75.469310] Bluetooth: hci4: command 0x0419 tx timeout [ 75.469544] Bluetooth: hci6: command 0x0419 tx timeout [ 75.470364] Bluetooth: hci7: command 0x0419 tx timeout [ 75.471226] Bluetooth: hci2: command 0x0419 tx timeout [ 75.472397] Bluetooth: hci1: command 0x0419 tx timeout [ 75.532555] Bluetooth: hci5: command 0x0419 tx timeout [ 122.816624] audit: type=1400 audit(1663080690.364:7): avc: denied { open } for pid=3703 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 122.818401] audit: type=1400 audit(1663080690.365:8): avc: denied { kernel } for pid=3703 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 122.834722] ------------[ cut here ]------------ [ 122.834746] [ 122.834749] ====================================================== [ 122.834753] WARNING: possible circular locking dependency detected [ 122.834757] 6.0.0-rc5-next-20220913 #1 Not tainted [ 122.834763] ------------------------------------------------------ [ 122.834767] syz-executor.2/3705 is trying to acquire lock: [ 122.834773] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 122.834813] [ 122.834813] but task is already holding lock: [ 122.834815] ffff88800eed6c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 122.834843] [ 122.834843] which lock already depends on the new lock. [ 122.834843] [ 122.834847] [ 122.834847] the existing dependency chain (in reverse order) is: [ 122.834850] [ 122.834850] -> #3 (&ctx->lock){....}-{2:2}: [ 122.834864] _raw_spin_lock+0x2a/0x40 [ 122.834882] __perf_event_task_sched_out+0x53b/0x18d0 [ 122.834894] __schedule+0xedd/0x2470 [ 122.834905] schedule+0xda/0x1b0 [ 122.834914] exit_to_user_mode_prepare+0x114/0x1a0 [ 122.834935] syscall_exit_to_user_mode+0x19/0x40 [ 122.834953] do_syscall_64+0x48/0x90 [ 122.834967] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 122.834985] [ 122.834985] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 122.834999] _raw_spin_lock_nested+0x30/0x40 [ 122.835014] raw_spin_rq_lock_nested+0x1e/0x30 [ 122.835027] task_fork_fair+0x63/0x4d0 [ 122.835045] sched_cgroup_fork+0x3d0/0x540 [ 122.835059] copy_process+0x3f9e/0x6df0 [ 122.835070] kernel_clone+0xe7/0x890 [ 122.835079] user_mode_thread+0xad/0xf0 [ 122.835089] rest_init+0x24/0x250 [ 122.835106] arch_call_rest_init+0xf/0x14 [ 122.835126] start_kernel+0x4c1/0x4e6 [ 122.835143] secondary_startup_64_no_verify+0xe0/0xeb [ 122.835158] [ 122.835158] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 122.835171] _raw_spin_lock_irqsave+0x39/0x60 [ 122.835186] try_to_wake_up+0xab/0x1920 [ 122.835200] up+0x75/0xb0 [ 122.835211] __up_console_sem+0x6e/0x80 [ 122.835227] console_unlock+0x46a/0x590 [ 122.835243] vt_ioctl+0x2822/0x2ca0 [ 122.835256] tty_ioctl+0x7c4/0x1700 [ 122.835267] __x64_sys_ioctl+0x19a/0x210 [ 122.835284] do_syscall_64+0x3b/0x90 [ 122.835296] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 122.835313] [ 122.835313] -> #0 ((console_sem).lock){....}-{2:2}: [ 122.835327] __lock_acquire+0x2a02/0x5e70 [ 122.835344] lock_acquire+0x1a2/0x530 [ 122.835360] _raw_spin_lock_irqsave+0x39/0x60 [ 122.835375] down_trylock+0xe/0x70 [ 122.835387] __down_trylock_console_sem+0x3b/0xd0 [ 122.835403] vprintk_emit+0x16b/0x560 [ 122.835420] vprintk+0x84/0xa0 [ 122.835437] _printk+0xba/0xf1 [ 122.835455] report_bug.cold+0x72/0xab [ 122.835467] handle_bug+0x3c/0x70 [ 122.835480] exc_invalid_op+0x14/0x50 [ 122.835493] asm_exc_invalid_op+0x16/0x20 [ 122.835509] group_sched_out.part.0+0x2c7/0x460 [ 122.835520] ctx_sched_out+0x8f1/0xc10 [ 122.835529] __perf_event_task_sched_out+0x6d0/0x18d0 [ 122.835541] __schedule+0xedd/0x2470 [ 122.835551] schedule+0xda/0x1b0 [ 122.835560] exit_to_user_mode_prepare+0x114/0x1a0 [ 122.835580] syscall_exit_to_user_mode+0x19/0x40 [ 122.835597] do_syscall_64+0x48/0x90 [ 122.835610] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 122.835627] [ 122.835627] other info that might help us debug this: [ 122.835627] [ 122.835629] Chain exists of: [ 122.835629] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 122.835629] [ 122.835644] Possible unsafe locking scenario: [ 122.835644] [ 122.835646] CPU0 CPU1 [ 122.835649] ---- ---- [ 122.835651] lock(&ctx->lock); [ 122.835657] lock(&rq->__lock); [ 122.835663] lock(&ctx->lock); [ 122.835669] lock((console_sem).lock); [ 122.835675] [ 122.835675] *** DEADLOCK *** [ 122.835675] [ 122.835677] 2 locks held by syz-executor.2/3705: [ 122.835684] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 122.835709] #1: ffff88800eed6c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 122.835736] [ 122.835736] stack backtrace: [ 122.835739] CPU: 0 PID: 3705 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220913 #1 [ 122.835752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 122.835760] Call Trace: [ 122.835763] [ 122.835768] dump_stack_lvl+0x8b/0xb3 [ 122.835782] check_noncircular+0x263/0x2e0 [ 122.835799] ? format_decode+0x26c/0xb50 [ 122.835815] ? print_circular_bug+0x450/0x450 [ 122.835833] ? enable_ptr_key_workfn+0x20/0x20 [ 122.835847] ? format_decode+0x26c/0xb50 [ 122.835863] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 122.835881] __lock_acquire+0x2a02/0x5e70 [ 122.835903] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 122.835925] lock_acquire+0x1a2/0x530 [ 122.835942] ? down_trylock+0xe/0x70 [ 122.835957] ? rcu_read_unlock+0x40/0x40 [ 122.835978] ? vprintk+0x84/0xa0 [ 122.835996] _raw_spin_lock_irqsave+0x39/0x60 [ 122.836012] ? down_trylock+0xe/0x70 [ 122.836025] down_trylock+0xe/0x70 [ 122.836039] ? vprintk+0x84/0xa0 [ 122.836056] __down_trylock_console_sem+0x3b/0xd0 [ 122.836074] vprintk_emit+0x16b/0x560 [ 122.836093] vprintk+0x84/0xa0 [ 122.836111] _printk+0xba/0xf1 [ 122.836129] ? record_print_text.cold+0x16/0x16 [ 122.836151] ? report_bug.cold+0x66/0xab [ 122.836165] ? group_sched_out.part.0+0x2c7/0x460 [ 122.836176] report_bug.cold+0x72/0xab [ 122.836191] handle_bug+0x3c/0x70 [ 122.836205] exc_invalid_op+0x14/0x50 [ 122.836219] asm_exc_invalid_op+0x16/0x20 [ 122.836237] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 122.836250] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 122.836262] RSP: 0018:ffff88801d45fc48 EFLAGS: 00010006 [ 122.836271] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 122.836278] RDX: ffff88800ddc8000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 122.836287] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 122.836294] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88800eed6c00 [ 122.836302] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 122.836313] ? group_sched_out.part.0+0x2c7/0x460 [ 122.836326] ? group_sched_out.part.0+0x2c7/0x460 [ 122.836339] ctx_sched_out+0x8f1/0xc10 [ 122.836352] __perf_event_task_sched_out+0x6d0/0x18d0 [ 122.836367] ? lock_is_held_type+0xd7/0x130 [ 122.836386] ? __perf_cgroup_move+0x160/0x160 [ 122.836398] ? set_next_entity+0x304/0x550 [ 122.836415] ? update_curr+0x267/0x740 [ 122.836434] ? lock_is_held_type+0xd7/0x130 [ 122.836453] __schedule+0xedd/0x2470 [ 122.836466] ? io_schedule_timeout+0x150/0x150 [ 122.836478] ? rcu_read_lock_sched_held+0x3e/0x80 [ 122.836499] schedule+0xda/0x1b0 [ 122.836510] exit_to_user_mode_prepare+0x114/0x1a0 [ 122.836531] syscall_exit_to_user_mode+0x19/0x40 [ 122.836549] do_syscall_64+0x48/0x90 [ 122.836564] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 122.836581] RIP: 0033:0x7f15fb899b19 [ 122.836590] 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 [ 122.836601] RSP: 002b:00007f15f8e0f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 122.836611] RAX: 0000000000000001 RBX: 00007f15fb9acf68 RCX: 00007f15fb899b19 [ 122.836619] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15fb9acf6c [ 122.836627] RBP: 00007f15fb9acf60 R08: 000000000000000e R09: 0000000000000000 [ 122.836634] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f15fb9acf6c [ 122.836641] R13: 00007ffd2869be6f R14: 00007f15f8e0f300 R15: 0000000000022000 [ 122.836654] [ 122.892995] WARNING: CPU: 0 PID: 3705 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 122.893680] Modules linked in: [ 122.893931] CPU: 0 PID: 3705 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220913 #1 [ 122.894532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 122.895372] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 122.895780] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 122.897146] RSP: 0018:ffff88801d45fc48 EFLAGS: 00010006 [ 122.897540] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 122.898078] RDX: ffff88800ddc8000 RSI: ffffffff81566027 RDI: 0000000000000005 [ 122.898607] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 122.899141] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88800eed6c00 [ 122.899680] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 122.900226] FS: 00007f15f8e0f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 122.900828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.901278] CR2: 00005581b9874080 CR3: 000000001b0ec000 CR4: 0000000000350ef0 [ 122.901816] Call Trace: [ 122.902011] [ 122.902185] ctx_sched_out+0x8f1/0xc10 [ 122.902479] __perf_event_task_sched_out+0x6d0/0x18d0 [ 122.902874] ? lock_is_held_type+0xd7/0x130 [ 122.903205] ? __perf_cgroup_move+0x160/0x160 [ 122.903546] ? set_next_entity+0x304/0x550 [ 122.903873] ? update_curr+0x267/0x740 [ 122.904174] ? lock_is_held_type+0xd7/0x130 [ 122.904510] __schedule+0xedd/0x2470 [ 122.904800] ? io_schedule_timeout+0x150/0x150 [ 122.905163] ? rcu_read_lock_sched_held+0x3e/0x80 [ 122.905540] schedule+0xda/0x1b0 [ 122.905799] exit_to_user_mode_prepare+0x114/0x1a0 [ 122.906179] syscall_exit_to_user_mode+0x19/0x40 [ 122.906545] do_syscall_64+0x48/0x90 [ 122.906831] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 122.907228] RIP: 0033:0x7f15fb899b19 [ 122.907510] 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 [ 122.908855] RSP: 002b:00007f15f8e0f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 122.909425] RAX: 0000000000000001 RBX: 00007f15fb9acf68 RCX: 00007f15fb899b19 [ 122.909958] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f15fb9acf6c [ 122.910506] RBP: 00007f15fb9acf60 R08: 000000000000000e R09: 0000000000000000 [ 122.911031] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f15fb9acf6c [ 122.911568] R13: 00007ffd2869be6f R14: 00007f15f8e0f300 R15: 0000000000022000 [ 122.912112] [ 122.912290] irq event stamp: 2754 [ 122.912551] hardirqs last enabled at (2753): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 122.913280] hardirqs last disabled at (2754): [] __schedule+0x1225/0x2470 [ 122.913903] softirqs last enabled at (134): [] __irq_exit_rcu+0x11b/0x180 [ 122.914548] softirqs last disabled at (129): [] __irq_exit_rcu+0x11b/0x180 [ 122.915188] ---[ end trace 0000000000000000 ]--- [ 128.603756] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 128.607195] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 128.608460] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 128.615020] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 128.616567] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 128.618452] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 128.622300] Bluetooth: hci7: HCI_REQ-0x0c1a [ 130.573300] Bluetooth: hci2: Opcode 0x c03 failed: -110 [ 130.636591] Bluetooth: hci7: command 0x0409 tx timeout [ 132.684532] Bluetooth: hci7: command 0x041b tx timeout [ 132.762533] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 132.765661] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 132.767977] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 132.770307] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 132.772296] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 132.773962] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 132.778425] Bluetooth: hci2: HCI_REQ-0x0c1a VM DIAGNOSIS: 14:51:30 Registers: info registers vcpu 0 RAX=0000000000000033 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88801d45f698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000033 R11=0000000000000001 R12=0000000000000033 R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b25b0 RIP=ffffffff822b2619 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 00007f15f8e0f700 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=00005581b9874080 CR3=000000001b0ec000 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 00007f15fb9807c0 00007f15fb9807c8 YMM02=0000000000000000 0000000000000000 00007f15fb9807e0 00007f15fb9807c0 YMM03=0000000000000000 0000000000000000 00007f15fb9807c8 00007f15fb9807c0 YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffff00000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff817bd0e9 RCX=0000000000000000 RDX=1ffff1100315cf24 RSI=ffff888018ae79f8 RDI=ffffffff817bd0e9 RBP=ffffffff817bd0e9 RSP=ffff888018ae7870 R8 =ffffffff85e79ce8 R9 =ffffffff85e79cec R10=ffffed100315cf26 R11=ffff888018ae7908 R12=ffff888018ae7990 R13=0000000000000000 R14=ffff88800ff28000 R15=ffff88800d7bca20 RIP=ffffffff811d6083 RFL=00000296 [--S-AP-] 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 00007f3201d3d8c0 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=00007f9ed4da1a20 CR3=0000000008b92000 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 000000000000002f 002f2e2e2f002e2e YMM01=0000000000000000 0000000000000000 0000000000000000 696c61766e49002f YMM02=0000000000000000 0000000000000000 ffffffffffffff0f 0e0d0c0b0a090807 YMM03=0000000000000000 0000000000000000 696e656420737365 636341002f737973 YMM04=0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f YMM05=0000000000000000 0000000000000000 0000564b4c9fa670 0000564b4c9f85f0 YMM06=0000000000000000 0000000000000000 0000564b4ca32dc0 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 2f63697361622f63 72732f2e2e000d0a 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