Warning: Permanently added '[localhost]:44315' (ECDSA) to the list of known hosts. 2022/09/13 18:13:07 fuzzer started 2022/09/13 18:13:08 dialing manager at localhost:36597 syzkaller login: [ 37.089764] cgroup: Unknown subsys name 'net' [ 37.200869] cgroup: Unknown subsys name 'rlimit' 2022/09/13 18:13:23 syscalls: 2215 2022/09/13 18:13:23 code coverage: enabled 2022/09/13 18:13:23 comparison tracing: enabled 2022/09/13 18:13:23 extra coverage: enabled 2022/09/13 18:13:23 setuid sandbox: enabled 2022/09/13 18:13:23 namespace sandbox: enabled 2022/09/13 18:13:23 Android sandbox: enabled 2022/09/13 18:13:23 fault injection: enabled 2022/09/13 18:13:23 leak checking: enabled 2022/09/13 18:13:23 net packet injection: enabled 2022/09/13 18:13:23 net device setup: enabled 2022/09/13 18:13:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/13 18:13:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/13 18:13:23 USB emulation: enabled 2022/09/13 18:13:23 hci packet injection: enabled 2022/09/13 18:13:23 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220913) 2022/09/13 18:13:23 802.15.4 emulation: enabled 2022/09/13 18:13:23 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/13 18:13:23 fetching corpus: 43, signal 34687/38169 (executing program) 2022/09/13 18:13:24 fetching corpus: 93, signal 49716/54592 (executing program) 2022/09/13 18:13:24 fetching corpus: 143, signal 57249/63564 (executing program) 2022/09/13 18:13:24 fetching corpus: 193, signal 65337/72970 (executing program) 2022/09/13 18:13:24 fetching corpus: 243, signal 73179/82033 (executing program) 2022/09/13 18:13:24 fetching corpus: 293, signal 78350/88410 (executing program) 2022/09/13 18:13:24 fetching corpus: 343, signal 84055/95235 (executing program) 2022/09/13 18:13:25 fetching corpus: 393, signal 91729/103826 (executing program) 2022/09/13 18:13:25 fetching corpus: 443, signal 97865/110897 (executing program) 2022/09/13 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signal 273324/284607 (executing program) 2022/09/13 18:13:49 fetching corpus: 8840, signal 273743/284625 (executing program) 2022/09/13 18:13:49 fetching corpus: 8890, signal 274316/284628 (executing program) 2022/09/13 18:13:49 fetching corpus: 8940, signal 274670/284631 (executing program) 2022/09/13 18:13:49 fetching corpus: 8975, signal 274933/284652 (executing program) 2022/09/13 18:13:49 fetching corpus: 8975, signal 274933/284652 (executing program) 2022/09/13 18:13:51 starting 8 fuzzer processes 18:13:51 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x9) sendmsg$NL80211_CMD_SET_QOS_MAP(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, 0x0, 0x0, 0x0, 0x0, {{}, {@void, @val={0xc}}}}, 0x20}}, 0x0) 18:13:51 executing program 3: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, 0x0) 18:13:51 executing program 4: r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x2, 0x20002) write$selinux_attr(r0, &(0x7f0000000040)='/sbin/dhclient\x00', 0xf) 18:13:51 executing program 0: r0 = syz_io_uring_setup(0x35d1, &(0x7f0000000000), &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000000080), &(0x7f000000b940)) io_uring_enter(r0, 0x0, 0x0, 0xf, 0x0, 0x0) 18:13:51 executing program 1: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 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$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000001c0)={0x14, 0x3e, 0x101, 0x0, 0x0, "", [@nested={0xa}]}, 0x14}], 0x1}, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) 18:13:51 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) 18:13:51 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x2080000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x1000, 0x3ff}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10005}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 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 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0xc042, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) ioctl$PTP_PIN_SETFUNC(r0, 0x40603d07, &(0x7f0000001240)={'\x00', 0x555, 0x0, 0x273}) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.memory_migrate\x00', 0x2, 0x0) fallocate(r1, 0x21, 0x5, 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x2, 0x0) acct(&(0x7f0000001200)='./file1\x00') pwrite64(r2, &(0x7f00000000c0)='9', 0x1, 0x8040000) setsockopt$inet6_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000540)={@in6={{0xa, 0x4e20, 0xffff, @mcast2, 0x4}}, 0x0, 0x0, 0x15, 0x0, "b25da62d685a38083e45ab1950001ca46105939b4b3d83bd945bed03b30b62897693132cb6e12788b1d58f9b2fff886055bea488ee0e2918a8c961a2684924dfa9841132b1916476e31d06d76d34a918"}, 0xd8) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x4042, 0x0) sendfile(r2, r3, 0x0, 0xffff) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) openat$sr(0xffffffffffffff9c, &(0x7f0000000100), 0x44b43, 0x0) openat$incfs(r4, &(0x7f0000000340)='.pending_reads\x00', 0x101280, 0x108) 18:13:51 executing program 7: r0 = syz_io_uring_setup(0x46ac, &(0x7f0000000080), &(0x7f00000a0000)=nil, &(0x7f00000b0000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r3 = socket$inet6(0xa, 0x1, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_RECV=@use_registered_buffer={0x1b, 0x0, 0x0, r3}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) [ 79.718502] audit: type=1400 audit(1663092831.192:6): avc: denied { execmem } for pid=282 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 81.037040] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 81.039016] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 81.040611] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.042949] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 81.044442] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 81.046020] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 81.047600] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 81.049629] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 81.051596] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.052844] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 81.053941] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 81.055013] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 81.056092] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 81.057322] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 81.058326] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 81.060074] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 81.061173] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 81.062520] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.063716] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 81.064949] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 81.065941] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 81.067028] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 81.068063] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 81.074780] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 81.075896] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 81.077117] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 81.078145] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 81.079199] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.080514] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 81.082770] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 81.085245] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 81.086270] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 81.087599] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 81.088673] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.089890] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 81.091239] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 81.094378] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 81.095229] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 81.095887] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 81.096492] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.097974] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 81.099076] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 81.102774] Bluetooth: hci7: HCI_REQ-0x0c1a [ 81.103613] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 81.105865] Bluetooth: hci2: HCI_REQ-0x0c1a [ 81.106822] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 81.108664] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 81.110773] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 81.114055] Bluetooth: hci0: HCI_REQ-0x0c1a [ 81.120783] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 81.123529] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 81.125237] Bluetooth: hci6: HCI_REQ-0x0c1a [ 81.128043] Bluetooth: hci5: HCI_REQ-0x0c1a [ 81.137710] Bluetooth: hci4: HCI_REQ-0x0c1a [ 81.144151] Bluetooth: hci1: HCI_REQ-0x0c1a [ 81.144550] Bluetooth: hci3: HCI_REQ-0x0c1a [ 83.153212] Bluetooth: hci0: command 0x0409 tx timeout [ 83.153888] Bluetooth: hci5: command 0x0409 tx timeout [ 83.154133] Bluetooth: hci7: command 0x0409 tx timeout [ 83.154302] Bluetooth: hci2: command 0x0409 tx timeout [ 83.156282] Bluetooth: hci4: command 0x0409 tx timeout [ 83.156774] Bluetooth: hci6: command 0x0409 tx timeout [ 83.216824] Bluetooth: hci1: command 0x0409 tx timeout [ 83.217281] Bluetooth: hci3: command 0x0409 tx timeout [ 85.201777] Bluetooth: hci6: command 0x041b tx timeout [ 85.202288] Bluetooth: hci4: command 0x041b tx timeout [ 85.202776] Bluetooth: hci2: command 0x041b tx timeout [ 85.203216] Bluetooth: hci7: command 0x041b tx timeout [ 85.203679] Bluetooth: hci0: command 0x041b tx timeout [ 85.206331] Bluetooth: hci5: command 0x041b tx timeout [ 85.265747] Bluetooth: hci3: command 0x041b tx timeout [ 85.266193] Bluetooth: hci1: command 0x041b tx timeout [ 87.248740] Bluetooth: hci5: command 0x040f tx timeout [ 87.249244] Bluetooth: hci0: command 0x040f tx timeout [ 87.249733] Bluetooth: hci7: command 0x040f tx timeout [ 87.250178] Bluetooth: hci2: command 0x040f tx timeout [ 87.250899] Bluetooth: hci4: command 0x040f tx timeout [ 87.252575] Bluetooth: hci6: command 0x040f tx timeout [ 87.313684] Bluetooth: hci1: command 0x040f tx timeout [ 87.314144] Bluetooth: hci3: command 0x040f tx timeout [ 89.297753] Bluetooth: hci6: command 0x0419 tx timeout [ 89.298239] Bluetooth: hci4: command 0x0419 tx timeout [ 89.299514] Bluetooth: hci2: command 0x0419 tx timeout [ 89.300262] Bluetooth: hci7: command 0x0419 tx timeout [ 89.300726] Bluetooth: hci0: command 0x0419 tx timeout [ 89.301136] Bluetooth: hci5: command 0x0419 tx timeout [ 89.360740] Bluetooth: hci3: command 0x0419 tx timeout [ 89.361181] Bluetooth: hci1: command 0x0419 tx timeout 18:14:46 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) 18:14:46 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) [ 135.289857] audit: type=1400 audit(1663092886.763:7): avc: denied { open } for pid=3841 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 135.291396] audit: type=1400 audit(1663092886.764:8): avc: denied { kernel } for pid=3841 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 135.317731] ------------[ cut here ]------------ [ 135.317754] [ 135.317758] ====================================================== [ 135.317761] WARNING: possible circular locking dependency detected [ 135.317765] 6.0.0-rc5-next-20220913 #1 Not tainted [ 135.317772] ------------------------------------------------------ [ 135.317775] syz-executor.6/3844 is trying to acquire lock: [ 135.317783] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 135.317822] [ 135.317822] but task is already holding lock: [ 135.317825] ffff888008d3fc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.317853] [ 135.317853] which lock already depends on the new lock. [ 135.317853] [ 135.317856] [ 135.317856] the existing dependency chain (in reverse order) is: [ 135.317859] [ 135.317859] -> #3 (&ctx->lock){....}-{2:2}: [ 135.317873] _raw_spin_lock+0x2a/0x40 [ 135.317890] __perf_event_task_sched_out+0x53b/0x18d0 [ 135.317902] __schedule+0xedd/0x2470 [ 135.317913] schedule+0xda/0x1b0 [ 135.317922] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.317942] syscall_exit_to_user_mode+0x19/0x40 [ 135.317961] do_syscall_64+0x48/0x90 [ 135.317974] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.317992] [ 135.317992] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 135.318005] _raw_spin_lock_nested+0x30/0x40 [ 135.318020] raw_spin_rq_lock_nested+0x1e/0x30 [ 135.318033] task_fork_fair+0x63/0x4d0 [ 135.318051] sched_cgroup_fork+0x3d0/0x540 [ 135.318065] copy_process+0x3f9e/0x6df0 [ 135.318075] kernel_clone+0xe7/0x890 [ 135.318084] user_mode_thread+0xad/0xf0 [ 135.318095] rest_init+0x24/0x250 [ 135.318111] arch_call_rest_init+0xf/0x14 [ 135.318131] start_kernel+0x4c1/0x4e6 [ 135.318148] secondary_startup_64_no_verify+0xe0/0xeb [ 135.318165] [ 135.318165] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 135.318179] _raw_spin_lock_irqsave+0x39/0x60 [ 135.318194] try_to_wake_up+0xab/0x1920 [ 135.318207] up+0x75/0xb0 [ 135.318218] __up_console_sem+0x6e/0x80 [ 135.318235] console_unlock+0x46a/0x590 [ 135.318251] do_con_write+0xc05/0x1d50 [ 135.318262] con_write+0x21/0x40 [ 135.318271] n_tty_write+0x4d4/0xfe0 [ 135.318284] file_tty_write.constprop.0+0x49c/0x8f0 [ 135.318296] vfs_write+0x9c3/0xd90 [ 135.318314] ksys_write+0x127/0x250 [ 135.318331] do_syscall_64+0x3b/0x90 [ 135.318344] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.318361] [ 135.318361] -> #0 ((console_sem).lock){....}-{2:2}: [ 135.318375] __lock_acquire+0x2a02/0x5e70 [ 135.318392] lock_acquire+0x1a2/0x530 [ 135.318408] _raw_spin_lock_irqsave+0x39/0x60 [ 135.318422] down_trylock+0xe/0x70 [ 135.318435] __down_trylock_console_sem+0x3b/0xd0 [ 135.318451] vprintk_emit+0x16b/0x560 [ 135.318468] vprintk+0x84/0xa0 [ 135.318484] _printk+0xba/0xf1 [ 135.318502] report_bug.cold+0x72/0xab [ 135.318514] handle_bug+0x3c/0x70 [ 135.318527] exc_invalid_op+0x14/0x50 [ 135.318540] asm_exc_invalid_op+0x16/0x20 [ 135.318556] group_sched_out.part.0+0x2c7/0x460 [ 135.318567] ctx_sched_out+0x8f1/0xc10 [ 135.318576] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.318588] __schedule+0xedd/0x2470 [ 135.318598] schedule+0xda/0x1b0 [ 135.318607] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.318626] syscall_exit_to_user_mode+0x19/0x40 [ 135.318644] do_syscall_64+0x48/0x90 [ 135.318656] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.318673] [ 135.318673] other info that might help us debug this: [ 135.318673] [ 135.318676] Chain exists of: [ 135.318676] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 135.318676] [ 135.318691] Possible unsafe locking scenario: [ 135.318691] [ 135.318693] CPU0 CPU1 [ 135.318696] ---- ---- [ 135.318698] lock(&ctx->lock); [ 135.318703] lock(&rq->__lock); [ 135.318710] lock(&ctx->lock); [ 135.318716] lock((console_sem).lock); [ 135.318722] [ 135.318722] *** DEADLOCK *** [ 135.318722] [ 135.318723] 2 locks held by syz-executor.6/3844: [ 135.318730] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 135.318756] #1: ffff888008d3fc20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.318783] [ 135.318783] stack backtrace: [ 135.318786] CPU: 1 PID: 3844 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220913 #1 [ 135.318799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.318807] Call Trace: [ 135.318810] [ 135.318814] dump_stack_lvl+0x8b/0xb3 [ 135.318829] check_noncircular+0x263/0x2e0 [ 135.318846] ? format_decode+0x26c/0xb50 [ 135.318861] ? print_circular_bug+0x450/0x450 [ 135.318879] ? enable_ptr_key_workfn+0x20/0x20 [ 135.318893] ? format_decode+0x26c/0xb50 [ 135.318909] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 135.318927] __lock_acquire+0x2a02/0x5e70 [ 135.318948] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 135.318971] lock_acquire+0x1a2/0x530 [ 135.318988] ? down_trylock+0xe/0x70 [ 135.319003] ? rcu_read_unlock+0x40/0x40 [ 135.319024] ? vprintk+0x84/0xa0 [ 135.319042] _raw_spin_lock_irqsave+0x39/0x60 [ 135.319057] ? down_trylock+0xe/0x70 [ 135.319071] down_trylock+0xe/0x70 [ 135.319084] ? vprintk+0x84/0xa0 [ 135.319102] __down_trylock_console_sem+0x3b/0xd0 [ 135.319119] vprintk_emit+0x16b/0x560 [ 135.319139] vprintk+0x84/0xa0 [ 135.319156] _printk+0xba/0xf1 [ 135.319174] ? record_print_text.cold+0x16/0x16 [ 135.319196] ? report_bug.cold+0x66/0xab [ 135.319210] ? group_sched_out.part.0+0x2c7/0x460 [ 135.319228] report_bug.cold+0x72/0xab [ 135.319243] handle_bug+0x3c/0x70 [ 135.319257] exc_invalid_op+0x14/0x50 [ 135.319271] asm_exc_invalid_op+0x16/0x20 [ 135.319288] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.319302] 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 [ 135.319314] RSP: 0018:ffff88800950fc48 EFLAGS: 00010006 [ 135.319323] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.319331] RDX: ffff8880174bd040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.319338] RBP: ffff888042488000 R08: 0000000000000005 R09: 0000000000000001 [ 135.319346] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888008d3fc00 [ 135.319354] R13: ffff88806cf3d100 R14: ffffffff8547c7c0 R15: 0000000000000002 [ 135.319365] ? group_sched_out.part.0+0x2c7/0x460 [ 135.319378] ? group_sched_out.part.0+0x2c7/0x460 [ 135.319390] ctx_sched_out+0x8f1/0xc10 [ 135.319403] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.319418] ? lock_is_held_type+0xd7/0x130 [ 135.319437] ? __perf_cgroup_move+0x160/0x160 [ 135.319449] ? set_next_entity+0x304/0x550 [ 135.319467] ? update_curr+0x267/0x740 [ 135.319486] ? lock_is_held_type+0xd7/0x130 [ 135.319504] __schedule+0xedd/0x2470 [ 135.319517] ? io_schedule_timeout+0x150/0x150 [ 135.319530] ? rcu_read_lock_sched_held+0x3e/0x80 [ 135.319550] schedule+0xda/0x1b0 [ 135.319561] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.319582] syscall_exit_to_user_mode+0x19/0x40 [ 135.319601] do_syscall_64+0x48/0x90 [ 135.319615] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.319632] RIP: 0033:0x7feef71f4b19 [ 135.319642] 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 [ 135.319653] RSP: 002b:00007feef476a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.319664] RAX: 0000000000000001 RBX: 00007feef7307f68 RCX: 00007feef71f4b19 [ 135.319671] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007feef7307f6c [ 135.319679] RBP: 00007feef7307f60 R08: 000000000000000e R09: 0000000000000000 [ 135.319686] R10: 0000000000000003 R11: 0000000000000246 R12: 00007feef7307f6c [ 135.319693] R13: 00007ffda001db9f R14: 00007feef476a300 R15: 0000000000022000 [ 135.319706] [ 135.376967] WARNING: CPU: 1 PID: 3844 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 135.377657] Modules linked in: [ 135.377909] CPU: 1 PID: 3844 Comm: syz-executor.6 Not tainted 6.0.0-rc5-next-20220913 #1 [ 135.378507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.379355] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.379766] 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 [ 135.381107] RSP: 0018:ffff88800950fc48 EFLAGS: 00010006 [ 135.381501] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.382022] RDX: ffff8880174bd040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 135.382547] RBP: ffff888042488000 R08: 0000000000000005 R09: 0000000000000001 [ 135.383075] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888008d3fc00 [ 135.383607] R13: ffff88806cf3d100 R14: ffffffff8547c7c0 R15: 0000000000000002 [ 135.384138] FS: 00007feef476a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 135.384729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 135.385163] CR2: 00007fb8b85d8260 CR3: 0000000023434000 CR4: 0000000000350ee0 [ 135.385688] Call Trace: [ 135.385883] [ 135.386054] ctx_sched_out+0x8f1/0xc10 [ 135.386357] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.386755] ? lock_is_held_type+0xd7/0x130 [ 135.387084] ? __perf_cgroup_move+0x160/0x160 [ 135.387427] ? set_next_entity+0x304/0x550 [ 135.387758] ? update_curr+0x267/0x740 [ 135.388060] ? lock_is_held_type+0xd7/0x130 [ 135.388391] __schedule+0xedd/0x2470 [ 135.388676] ? io_schedule_timeout+0x150/0x150 [ 135.389016] ? rcu_read_lock_sched_held+0x3e/0x80 [ 135.389396] schedule+0xda/0x1b0 [ 135.389653] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.390029] syscall_exit_to_user_mode+0x19/0x40 [ 135.390392] do_syscall_64+0x48/0x90 [ 135.390681] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.391075] RIP: 0033:0x7feef71f4b19 [ 135.391374] 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 [ 135.392704] RSP: 002b:00007feef476a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.393277] RAX: 0000000000000001 RBX: 00007feef7307f68 RCX: 00007feef71f4b19 [ 135.393809] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007feef7307f6c [ 135.394335] RBP: 00007feef7307f60 R08: 000000000000000e R09: 0000000000000000 [ 135.394863] R10: 0000000000000003 R11: 0000000000000246 R12: 00007feef7307f6c [ 135.395390] R13: 00007ffda001db9f R14: 00007feef476a300 R15: 0000000000022000 [ 135.395937] [ 135.396124] irq event stamp: 1120 [ 135.396387] hardirqs last enabled at (1119): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 135.397090] hardirqs last disabled at (1120): [] __schedule+0x1225/0x2470 [ 135.397699] softirqs last enabled at (978): [] __irq_exit_rcu+0x11b/0x180 [ 135.398352] softirqs last disabled at (731): [] __irq_exit_rcu+0x11b/0x180 [ 135.398996] ---[ end trace 0000000000000000 ]--- 18:14:46 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) 18:14:46 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) 18:14:47 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) 18:14:47 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) io_setup(0x4e, &(0x7f0000000000)=0x0) io_submit(r1, 0x1, &(0x7f0000001740)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x5, 0x0, r0, 0x0}]) [ 135.685480] Process accounting resumed [ 135.770850] Process accounting resumed 18:14:47 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f0000002980)=[{{&(0x7f0000000000)={0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c, 0x0}}, {{&(0x7f0000000480)={0xa, 0x4e20, 0x0, @private2}, 0x1c, 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB='$\x00\x00\x00\x00\x00\x00\x00)\x00\x00\x002'], 0x28}}], 0x2, 0x0) 18:14:47 executing program 6: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x2080000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x1000, 0x3ff}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10005}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 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 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0xc042, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) ioctl$PTP_PIN_SETFUNC(r0, 0x40603d07, &(0x7f0000001240)={'\x00', 0x555, 0x0, 0x273}) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.memory_migrate\x00', 0x2, 0x0) fallocate(r1, 0x21, 0x5, 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x2, 0x0) acct(&(0x7f0000001200)='./file1\x00') pwrite64(r2, &(0x7f00000000c0)='9', 0x1, 0x8040000) setsockopt$inet6_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000540)={@in6={{0xa, 0x4e20, 0xffff, @mcast2, 0x4}}, 0x0, 0x0, 0x15, 0x0, "b25da62d685a38083e45ab1950001ca46105939b4b3d83bd945bed03b30b62897693132cb6e12788b1d58f9b2fff886055bea488ee0e2918a8c961a2684924dfa9841132b1916476e31d06d76d34a918"}, 0xd8) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x4042, 0x0) sendfile(r2, r3, 0x0, 0xffff) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) openat$sr(0xffffffffffffff9c, &(0x7f0000000100), 0x44b43, 0x0) openat$incfs(r4, &(0x7f0000000340)='.pending_reads\x00', 0x101280, 0x108) [ 135.927512] Process accounting resumed [ 136.086414] SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pid=3911 comm=syz-executor.2 VM DIAGNOSIS: 18:14:47 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801764a000 RCX=ffffffff812aaa31 RDX=1ffff11001b99caa RSI=0000000000000000 RDI=ffff88800dcce550 RBP=0000000000000246 RSP=ffff8880429f76e8 R8 =0000000000000001 R9 =ffff8880429f765b R10=ffffed100853eecb R11=0000000000000001 R12=ffff88800dcce510 R13=ffff88801764ac00 R14=0000000000000000 R15=ffff88801764ac00 RIP=ffffffff817bc3d5 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 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=00007f70a8c0e028 CR3=0000000041dcc000 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 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 6f732e616d7a6c62 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00352e6f732e616d 7a6c62696c2f756e YMM03=0000000000000000 0000000000000000 672d78756e696c2d 34365f3638782f62 YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b25c1 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88800950f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 00007feef476a700 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=00007fb8b85d8260 CR3=0000000023434000 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 00007feef72db7c0 00007feef72db7c8 YMM02=0000000000000000 0000000000000000 00007feef72db7e0 00007feef72db7c0 YMM03=0000000000000000 0000000000000000 00007feef72db7c8 00007feef72db7c0 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