syzkaller login: [ 43.600904] sshd (244) used greatest stack depth: 24768 bytes left Warning: Permanently added '[localhost]:63614' (ECDSA) to the list of known hosts. 2022/09/12 19:00:42 fuzzer started 2022/09/12 19:00:43 dialing manager at localhost:38027 [ 48.576499] cgroup: Unknown subsys name 'net' [ 48.687038] cgroup: Unknown subsys name 'rlimit' 2022/09/12 19:00:59 syscalls: 2215 2022/09/12 19:00:59 code coverage: enabled 2022/09/12 19:00:59 comparison tracing: enabled 2022/09/12 19:00:59 extra coverage: enabled 2022/09/12 19:00:59 setuid sandbox: enabled 2022/09/12 19:00:59 namespace sandbox: enabled 2022/09/12 19:00:59 Android sandbox: enabled 2022/09/12 19:00:59 fault injection: enabled 2022/09/12 19:00:59 leak checking: enabled 2022/09/12 19:00:59 net packet injection: enabled 2022/09/12 19:00:59 net device setup: enabled 2022/09/12 19:00:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 19:00:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 19:00:59 USB emulation: enabled 2022/09/12 19:00:59 hci packet injection: enabled 2022/09/12 19:00:59 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 19:00:59 802.15.4 emulation: enabled 2022/09/12 19:00:59 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 19:00:59 fetching corpus: 32, signal 23374/27022 (executing program) 2022/09/12 19:00:59 fetching corpus: 81, signal 39939/45075 (executing program) 2022/09/12 19:00:59 fetching corpus: 131, signal 50487/57007 (executing program) 2022/09/12 19:00:59 fetching corpus: 181, signal 57448/65349 (executing program) 2022/09/12 19:00:59 fetching corpus: 231, signal 65352/74505 (executing program) 2022/09/12 19:01:00 fetching corpus: 281, signal 70288/80716 (executing program) 2022/09/12 19:01:00 fetching corpus: 331, signal 76068/87712 (executing program) 2022/09/12 19:01:00 fetching corpus: 381, signal 80491/93298 (executing program) 2022/09/12 19:01:00 fetching 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executing program 0: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x9d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) 19:01:29 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) socket$inet_udp(0x2, 0x2, 0x0) ioctl$RTC_IRQP_SET(0xffffffffffffffff, 0x4008700c, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xb) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r0 = socket$netlink(0x10, 0x3, 0x10) sendmsg$netlink(r0, &(0x7f0000007ec0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000100)={0x1c, 0x1d, 0x1, 0x0, 0x0, "", [@typed={0x4, 0x0, 0x0, 0x0, @binary}, @nested={0x5, 0x11, 0x0, 0x1, [@generic="1c"]}]}, 0x1c}], 0x1}, 0x0) signalfd4(r0, &(0x7f0000000040)={[0x87b]}, 0x8, 0x56f76cc1a51a5857) r1 = socket$netlink(0x10, 0x3, 0x10) dup(r1) socket$inet_udp(0x2, 0x2, 0x0) 19:01:29 executing program 2: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x76, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = gettid() r1 = gettid() rt_tgsigqueueinfo(r0, r1, 0x0, &(0x7f0000000280)) [ 91.510087] audit: type=1400 audit(1663009289.093:6): avc: denied { execmem } for pid=288 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 19:01:29 executing program 3: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000000)={0x0, r1, 0xfffffffe}) perf_event_open(&(0x7f00000003c0)={0x2, 0x80, 0xc, 0x1, 0xf9, 0x7f, 0x0, 0x1ff, 0x58200, 0x4, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x3, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x5, 0x1, @perf_bp={&(0x7f0000000340), 0x3}, 0x1, 0x7fff, 0x9, 0x3, 0x6, 0x800, 0x2, 0x0, 0x7, 0x0, 0x401}, 0x0, 0xa, r0, 0x1) 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) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) fallocate(r2, 0x0, 0x0, 0x87ffffc) r3 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000040), 0x800, 0x0) readv(r3, &(0x7f0000000300)=[{&(0x7f0000000140)=""/147, 0x93}, {&(0x7f0000000200)=""/116, 0x74}], 0x2) r4 = syz_open_dev$tty20(0xc, 0x4, 0x1) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_DELETE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000380)=ANY=[@ANYBLOB="490000000201010200000000000000000202000028000300020002800c0003400000000000018001"], 0x28}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$dupfd(r6, 0x406, r4) 19:01:29 executing program 4: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_inet_SIOCDARP(r0, 0x8955, &(0x7f0000002440)={{0x2, 0x0, @loopback}, {0x0, @dev}, 0x18, {0x2, 0x0, @empty}, 'sit0\x00'}) 19:01:29 executing program 5: getpriority(0x1, 0xffffffffffffffff) 19:01:29 executing program 7: request_key(&(0x7f00000000c0)='logon\x00', &(0x7f0000000100)={'syz', 0x3}, &(0x7f0000000140)='syz', 0xfffffffffffffffc) 19:01:29 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) shmdt(0x0) [ 92.850656] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.852528] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.853964] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.857231] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.859369] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 92.860825] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.865277] Bluetooth: hci0: HCI_REQ-0x0c1a [ 92.914971] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 92.916348] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 92.917714] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 92.925868] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 92.927264] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 92.928285] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 92.930319] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 92.931359] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 92.932502] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 92.944304] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 92.945648] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 92.946794] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 92.974864] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 92.976713] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 92.978033] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 92.980354] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 92.982365] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 92.984138] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 92.987492] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 92.989237] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 92.990725] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 92.994058] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 92.995729] Bluetooth: hci6: HCI_REQ-0x0c1a [ 93.006804] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 93.008061] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 93.017757] Bluetooth: hci3: HCI_REQ-0x0c1a [ 93.021707] Bluetooth: hci1: HCI_REQ-0x0c1a [ 93.023188] Bluetooth: hci2: HCI_REQ-0x0c1a [ 93.027149] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 93.028912] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 93.046974] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 93.056231] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 93.067339] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 93.085909] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 93.087933] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 93.091475] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 93.094938] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 93.095930] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 93.100921] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 93.104813] Bluetooth: hci7: HCI_REQ-0x0c1a [ 93.115871] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 93.130489] Bluetooth: hci5: HCI_REQ-0x0c1a [ 94.935021] Bluetooth: hci0: command 0x0409 tx timeout [ 94.999480] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 95.062587] Bluetooth: hci2: command 0x0409 tx timeout [ 95.063531] Bluetooth: hci1: command 0x0409 tx timeout [ 95.064156] Bluetooth: hci3: command 0x0409 tx timeout [ 95.064957] Bluetooth: hci6: command 0x0409 tx timeout [ 95.126487] Bluetooth: hci7: command 0x0409 tx timeout [ 95.191535] Bluetooth: hci5: command 0x0409 tx timeout [ 96.982453] Bluetooth: hci0: command 0x041b tx timeout [ 97.111574] Bluetooth: hci6: command 0x041b tx timeout [ 97.112108] Bluetooth: hci3: command 0x041b tx timeout [ 97.112833] Bluetooth: hci1: command 0x041b tx timeout [ 97.113276] Bluetooth: hci2: command 0x041b tx timeout [ 97.174482] Bluetooth: hci7: command 0x041b tx timeout [ 97.239162] Bluetooth: hci5: command 0x041b tx timeout [ 99.030481] Bluetooth: hci0: command 0x040f tx timeout [ 99.158551] Bluetooth: hci2: command 0x040f tx timeout [ 99.159254] Bluetooth: hci1: command 0x040f tx timeout [ 99.160147] Bluetooth: hci3: command 0x040f tx timeout [ 99.162245] Bluetooth: hci6: command 0x040f tx timeout [ 99.222491] Bluetooth: hci7: command 0x040f tx timeout [ 99.286515] Bluetooth: hci5: command 0x040f tx timeout [ 100.374532] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 101.078533] Bluetooth: hci0: command 0x0419 tx timeout [ 101.207759] Bluetooth: hci6: command 0x0419 tx timeout [ 101.208383] Bluetooth: hci3: command 0x0419 tx timeout [ 101.209842] Bluetooth: hci1: command 0x0419 tx timeout [ 101.210279] Bluetooth: hci2: command 0x0419 tx timeout [ 101.271467] Bluetooth: hci7: command 0x0419 tx timeout [ 101.335516] Bluetooth: hci5: command 0x0419 tx timeout [ 105.303522] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 110.166514] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 114.968020] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 119.895536] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 125.270661] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 128.283811] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 128.285017] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 128.285831] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 128.287489] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 128.289876] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 128.290612] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 128.293527] Bluetooth: hci4: HCI_REQ-0x0c1a [ 130.327466] Bluetooth: hci4: command 0x0409 tx timeout [ 132.375562] Bluetooth: hci4: command 0x041b tx timeout [ 134.423475] Bluetooth: hci4: command 0x040f tx timeout [ 136.470564] Bluetooth: hci4: command 0x0419 tx timeout [ 143.913711] audit: type=1400 audit(1663009341.497:7): avc: denied { open } for pid=3393 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 143.915220] audit: type=1400 audit(1663009341.497:8): avc: denied { kernel } for pid=3393 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 143.923008] ------------[ cut here ]------------ [ 143.923027] [ 143.923030] ====================================================== [ 143.923033] WARNING: possible circular locking dependency detected [ 143.923038] 6.0.0-rc5-next-20220912 #1 Not tainted [ 143.923044] ------------------------------------------------------ [ 143.923047] syz-executor.0/3394 is trying to acquire lock: [ 143.923054] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 143.923094] [ 143.923094] but task is already holding lock: [ 143.923097] ffff88800e5eb820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 143.923126] [ 143.923126] which lock already depends on the new lock. [ 143.923126] [ 143.923129] [ 143.923129] the existing dependency chain (in reverse order) is: [ 143.923132] [ 143.923132] -> #3 (&ctx->lock){....}-{2:2}: [ 143.923146] _raw_spin_lock+0x2a/0x40 [ 143.923164] __perf_event_task_sched_out+0x53b/0x18d0 [ 143.923176] __schedule+0xedd/0x2470 [ 143.923186] schedule+0xda/0x1b0 [ 143.923195] exit_to_user_mode_prepare+0x114/0x1a0 [ 143.923216] syscall_exit_to_user_mode+0x19/0x40 [ 143.923234] do_syscall_64+0x48/0x90 [ 143.923248] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 143.923265] [ 143.923265] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 143.923279] _raw_spin_lock_nested+0x30/0x40 [ 143.923294] raw_spin_rq_lock_nested+0x1e/0x30 [ 143.923307] task_fork_fair+0x63/0x4d0 [ 143.923325] sched_cgroup_fork+0x3d0/0x540 [ 143.923339] copy_process+0x3f9e/0x6df0 [ 143.923350] kernel_clone+0xe7/0x890 [ 143.923360] user_mode_thread+0xad/0xf0 [ 143.923370] rest_init+0x24/0x250 [ 143.923386] arch_call_rest_init+0xf/0x14 [ 143.923409] start_kernel+0x4c1/0x4e6 [ 143.923427] secondary_startup_64_no_verify+0xe0/0xeb [ 143.923442] [ 143.923442] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 143.923455] _raw_spin_lock_irqsave+0x39/0x60 [ 143.923470] try_to_wake_up+0xab/0x1920 [ 143.923484] up+0x75/0xb0 [ 143.923495] __up_console_sem+0x6e/0x80 [ 143.923512] console_unlock+0x46a/0x590 [ 143.923528] vprintk_emit+0x1bd/0x560 [ 143.923545] vprintk+0x84/0xa0 [ 143.923562] _printk+0xba/0xf1 [ 143.923579] kauditd_hold_skb.cold+0x3f/0x4e [ 143.923594] kauditd_send_queue+0x233/0x290 [ 143.923609] kauditd_thread+0x5da/0x9a0 [ 143.923623] kthread+0x2ed/0x3a0 [ 143.923638] ret_from_fork+0x22/0x30 [ 143.923651] [ 143.923651] -> #0 ((console_sem).lock){....}-{2:2}: [ 143.923665] __lock_acquire+0x2a02/0x5e70 [ 143.923681] lock_acquire+0x1a2/0x530 [ 143.923698] _raw_spin_lock_irqsave+0x39/0x60 [ 143.923713] down_trylock+0xe/0x70 [ 143.923725] __down_trylock_console_sem+0x3b/0xd0 [ 143.923742] vprintk_emit+0x16b/0x560 [ 143.923759] vprintk+0x84/0xa0 [ 143.923775] _printk+0xba/0xf1 [ 143.923792] report_bug.cold+0x72/0xab [ 143.923804] handle_bug+0x3c/0x70 [ 143.923816] exc_invalid_op+0x14/0x50 [ 143.923829] asm_exc_invalid_op+0x16/0x20 [ 143.923846] group_sched_out.part.0+0x2c7/0x460 [ 143.923857] ctx_sched_out+0x8f1/0xc10 [ 143.923866] __perf_event_task_sched_out+0x6d0/0x18d0 [ 143.923879] __schedule+0xedd/0x2470 [ 143.923888] schedule+0xda/0x1b0 [ 143.923897] exit_to_user_mode_prepare+0x114/0x1a0 [ 143.923916] syscall_exit_to_user_mode+0x19/0x40 [ 143.923933] do_syscall_64+0x48/0x90 [ 143.923946] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 143.923963] [ 143.923963] other info that might help us debug this: [ 143.923963] [ 143.923966] Chain exists of: [ 143.923966] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 143.923966] [ 143.923981] Possible unsafe locking scenario: [ 143.923981] [ 143.923983] CPU0 CPU1 [ 143.923986] ---- ---- [ 143.923988] lock(&ctx->lock); [ 143.923994] lock(&rq->__lock); [ 143.924000] lock(&ctx->lock); [ 143.924006] lock((console_sem).lock); [ 143.924012] [ 143.924012] *** DEADLOCK *** [ 143.924012] [ 143.924014] 2 locks held by syz-executor.0/3394: [ 143.924021] #0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 143.924046] #1: ffff88800e5eb820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 143.924073] [ 143.924073] stack backtrace: [ 143.924076] CPU: 0 PID: 3394 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220912 #1 [ 143.924089] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 143.924097] Call Trace: [ 143.924100] [ 143.924104] dump_stack_lvl+0x8b/0xb3 [ 143.924119] check_noncircular+0x263/0x2e0 [ 143.924136] ? format_decode+0x26c/0xb50 [ 143.924151] ? print_circular_bug+0x450/0x450 [ 143.924168] ? enable_ptr_key_workfn+0x20/0x20 [ 143.924183] ? format_decode+0x26c/0xb50 [ 143.924198] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 143.924216] __lock_acquire+0x2a02/0x5e70 [ 143.924238] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 143.924261] lock_acquire+0x1a2/0x530 [ 143.924279] ? down_trylock+0xe/0x70 [ 143.924293] ? rcu_read_unlock+0x40/0x40 [ 143.924315] ? vprintk+0x84/0xa0 [ 143.924333] _raw_spin_lock_irqsave+0x39/0x60 [ 143.924348] ? down_trylock+0xe/0x70 [ 143.924362] down_trylock+0xe/0x70 [ 143.924376] ? vprintk+0x84/0xa0 [ 143.924393] __down_trylock_console_sem+0x3b/0xd0 [ 143.924411] vprintk_emit+0x16b/0x560 [ 143.924430] vprintk+0x84/0xa0 [ 143.924448] _printk+0xba/0xf1 [ 143.924466] ? record_print_text.cold+0x16/0x16 [ 143.924488] ? report_bug.cold+0x66/0xab [ 143.924502] ? group_sched_out.part.0+0x2c7/0x460 [ 143.924513] report_bug.cold+0x72/0xab [ 143.924528] handle_bug+0x3c/0x70 [ 143.924542] exc_invalid_op+0x14/0x50 [ 143.924556] asm_exc_invalid_op+0x16/0x20 [ 143.924574] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 143.924587] 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 [ 143.924598] RSP: 0018:ffff88801893fc48 EFLAGS: 00010006 [ 143.924608] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 143.924615] RDX: ffff888042c25040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 143.924623] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 143.924631] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88800e5eb800 [ 143.924639] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 143.924650] ? group_sched_out.part.0+0x2c7/0x460 [ 143.924663] ? group_sched_out.part.0+0x2c7/0x460 [ 143.924676] ctx_sched_out+0x8f1/0xc10 [ 143.924688] __perf_event_task_sched_out+0x6d0/0x18d0 [ 143.924704] ? lock_is_held_type+0xd7/0x130 [ 143.924723] ? __perf_cgroup_move+0x160/0x160 [ 143.924734] ? set_next_entity+0x304/0x550 [ 143.924753] ? update_curr+0x267/0x740 [ 143.924771] ? lock_is_held_type+0xd7/0x130 [ 143.924790] __schedule+0xedd/0x2470 [ 143.924803] ? io_schedule_timeout+0x150/0x150 [ 143.924817] schedule+0xda/0x1b0 [ 143.924828] exit_to_user_mode_prepare+0x114/0x1a0 [ 143.924849] syscall_exit_to_user_mode+0x19/0x40 [ 143.924867] do_syscall_64+0x48/0x90 [ 143.924881] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 143.924898] RIP: 0033:0x7ff41533ab19 [ 143.924907] 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 [ 143.924918] RSP: 002b:00007ff4128b0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 143.924929] RAX: 0000000000000001 RBX: 00007ff41544df68 RCX: 00007ff41533ab19 [ 143.924936] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff41544df6c [ 143.924944] RBP: 00007ff41544df60 R08: 000000000000000e R09: 0000000000000000 [ 143.924951] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ff41544df6c [ 143.924958] R13: 00007ffc4f14fc2f R14: 00007ff4128b0300 R15: 0000000000022000 [ 143.924971] [ 143.980160] WARNING: CPU: 0 PID: 3394 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 143.980842] Modules linked in: [ 143.981082] CPU: 0 PID: 3394 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220912 #1 [ 143.981673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 143.982493] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 143.982896] 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 [ 143.984225] RSP: 0018:ffff88801893fc48 EFLAGS: 00010006 [ 143.984618] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 143.985139] RDX: ffff888042c25040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 143.985666] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 143.986198] R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88800e5eb800 [ 143.986722] R13: ffff88806ce3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 143.987248] FS: 00007ff4128b0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 143.987841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.988273] CR2: 000055e6244d5228 CR3: 000000000db8e000 CR4: 0000000000350ef0 [ 143.988803] Call Trace: [ 143.988995] [ 143.989165] ctx_sched_out+0x8f1/0xc10 [ 143.989456] __perf_event_task_sched_out+0x6d0/0x18d0 [ 143.989844] ? lock_is_held_type+0xd7/0x130 [ 143.990175] ? __perf_cgroup_move+0x160/0x160 [ 143.990512] ? set_next_entity+0x304/0x550 [ 143.990836] ? update_curr+0x267/0x740 [ 143.991131] ? lock_is_held_type+0xd7/0x130 [ 143.991455] __schedule+0xedd/0x2470 [ 143.991744] ? io_schedule_timeout+0x150/0x150 [ 143.992092] schedule+0xda/0x1b0 [ 143.992351] exit_to_user_mode_prepare+0x114/0x1a0 [ 143.992724] syscall_exit_to_user_mode+0x19/0x40 [ 143.993081] do_syscall_64+0x48/0x90 [ 143.993366] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 143.993753] RIP: 0033:0x7ff41533ab19 [ 143.994042] 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 [ 143.995368] RSP: 002b:00007ff4128b0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 143.995921] RAX: 0000000000000001 RBX: 00007ff41544df68 RCX: 00007ff41533ab19 [ 143.996447] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff41544df6c [ 143.996963] RBP: 00007ff41544df60 R08: 000000000000000e R09: 0000000000000000 [ 143.997493] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ff41544df6c [ 143.998021] R13: 00007ffc4f14fc2f R14: 00007ff4128b0300 R15: 0000000000022000 [ 143.998548] [ 143.998722] irq event stamp: 938 [ 143.998978] hardirqs last enabled at (937): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 143.999683] hardirqs last disabled at (938): [] __schedule+0x1225/0x2470 [ 144.000285] softirqs last enabled at (794): [] __irq_exit_rcu+0x11b/0x180 [ 144.000920] softirqs last disabled at (453): [] __irq_exit_rcu+0x11b/0x180 [ 144.001540] ---[ end trace 0000000000000000 ]--- [ 145.367578] syz-executor.4 uses obsolete (PF_INET,SOCK_PACKET) [ 146.317392] ieee80211 : Selected rate control algorithm 'minstrel_ht' [ 146.406038] syz-executor.1 (3660) used greatest stack depth: 24344 bytes left VM DIAGNOSIS: 19:02:21 Registers: info registers vcpu 0 RAX=000000000000002c RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1e41 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88801893f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002c R11=0000000000000001 R12=000000000000002c R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b1e30 RIP=ffffffff822b1e99 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 00007ff4128b0700 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=000055e6244d5228 CR3=000000000db8e000 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 00007ff4154217c0 00007ff4154217c8 YMM02=0000000000000000 0000000000000000 00007ff4154217e0 00007ff4154217c0 YMM03=0000000000000000 0000000000000000 00007ff4154217c8 00007ff4154217c0 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=0000000080000001 RBX=0000000000000001 RCX=1ffffffff0e0ace0 RDX=0000000000000000 RSI=ffffffff81785dde RDI=0000000000000001 RBP=ffff8880405075b0 RSP=ffff8880405074c0 R8 =ffffffff85e796d8 R9 =ffffffff85e796dc R10=ffffed10080a0eb8 R11=ffff888040507598 R12=ffff888040507620 R13=0000000000000000 R14=ffff888040507558 R15=ffff888042efc200 RIP=ffffffff8120521a RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fddfc036260 CR3=0000000019f48000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 YMM00=0000000000000000 0000000000000000 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 2e6f747079726362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00312e312e6f732e 6f74707972636269 YMM03=0000000000000000 0000000000000000 6c2f756e672d7875 6e696c2d34365f36 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