Warning: Permanently added '[localhost]:37577' (ECDSA) to the list of known hosts. 2022/09/20 12:41:51 fuzzer started 2022/09/20 12:41:52 dialing manager at localhost:34957 syzkaller login: [ 45.606365] cgroup: Unknown subsys name 'net' [ 45.708550] cgroup: Unknown subsys name 'rlimit' 2022/09/20 12:42:06 syscalls: 2215 2022/09/20 12:42:06 code coverage: enabled 2022/09/20 12:42:06 comparison tracing: enabled 2022/09/20 12:42:06 extra coverage: enabled 2022/09/20 12:42:06 setuid sandbox: enabled 2022/09/20 12:42:06 namespace sandbox: enabled 2022/09/20 12:42:06 Android sandbox: enabled 2022/09/20 12:42:06 fault injection: enabled 2022/09/20 12:42:06 leak checking: enabled 2022/09/20 12:42:06 net packet injection: enabled 2022/09/20 12:42:06 net device setup: enabled 2022/09/20 12:42:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/20 12:42:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/20 12:42:06 USB emulation: enabled 2022/09/20 12:42:06 hci packet injection: enabled 2022/09/20 12:42:06 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220920) 2022/09/20 12:42:06 802.15.4 emulation: enabled 2022/09/20 12:42:06 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/20 12:42:06 fetching corpus: 50, signal 34692/37980 (executing program) 2022/09/20 12:42:06 fetching corpus: 100, signal 45795/50436 (executing program) 2022/09/20 12:42:07 fetching corpus: 150, signal 54742/60601 (executing program) 2022/09/20 12:42:07 fetching corpus: 200, signal 59619/66762 (executing program) 2022/09/20 12:42:07 fetching corpus: 250, signal 64953/73214 (executing program) 2022/09/20 12:42:07 fetching corpus: 300, signal 70965/80236 (executing program) 2022/09/20 12:42:07 fetching corpus: 350, signal 75586/85817 (executing program) 2022/09/20 12:42:07 fetching corpus: 400, signal 78667/89940 (executing program) 2022/09/20 12:42:07 fetching corpus: 450, signal 82354/94530 (executing program) 2022/09/20 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(executing program) 2022/09/20 12:42:15 fetching corpus: 3500, signal 180856/200704 (executing program) 2022/09/20 12:42:15 fetching corpus: 3550, signal 181453/201154 (executing program) 2022/09/20 12:42:15 fetching corpus: 3600, signal 182239/201630 (executing program) 2022/09/20 12:42:16 fetching corpus: 3650, signal 183344/202189 (executing program) 2022/09/20 12:42:16 fetching corpus: 3700, signal 184583/202795 (executing program) 2022/09/20 12:42:16 fetching corpus: 3750, signal 185031/203172 (executing program) 2022/09/20 12:42:16 fetching corpus: 3800, signal 186326/203717 (executing program) 2022/09/20 12:42:16 fetching corpus: 3850, signal 187342/204200 (executing program) 2022/09/20 12:42:16 fetching corpus: 3900, signal 187925/204609 (executing program) 2022/09/20 12:42:16 fetching corpus: 3950, signal 188447/204953 (executing program) 2022/09/20 12:42:17 fetching corpus: 4000, signal 189224/205394 (executing program) 2022/09/20 12:42:17 fetching corpus: 4050, signal 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signal 201302/209108 (executing program) 2022/09/20 12:42:18 fetching corpus: 4700, signal 201846/209252 (executing program) 2022/09/20 12:42:19 fetching corpus: 4750, signal 202219/209384 (executing program) 2022/09/20 12:42:19 fetching corpus: 4800, signal 202648/209489 (executing program) 2022/09/20 12:42:19 fetching corpus: 4850, signal 203481/209601 (executing program) 2022/09/20 12:42:19 fetching corpus: 4900, signal 204392/209701 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209759 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209812 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209875 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209940 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209944 (executing program) 2022/09/20 12:42:19 fetching corpus: 4913, signal 204468/209944 (executing program) 2022/09/20 12:42:22 starting 8 fuzzer processes 12:42:22 executing program 0: r0 = openat$selinux_attr(0xffffffffffffff9c, &(0x7f0000000140)='/proc/thread-self/attr/fscreate\x00', 0x2, 0x0) write$selinux_attr(r0, &(0x7f0000000080)='system_u:object_r:autofs_device_t:s0\x00', 0x25) r1 = fsopen(&(0x7f0000000000)='hugetlbfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x0) symlinkat(&(0x7f0000000080)='./file0\x00', r2, &(0x7f0000000040)='./file0\x00') 12:42:22 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000540)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, '\x00', 0x2}}}, {{0x17, 0x0, 0x0, @private1}}}, 0x108) 12:42:22 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_RX_RING(r0, 0x10e, 0x6, 0x0, 0x0) 12:42:22 executing program 3: io_uring_register$IORING_REGISTER_FILES(0xffffffffffffffff, 0x4, 0x0, 0xfffffeed) r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000100), 0x44b43, 0x0) ioctl$SG_IO(r0, 0x2285, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, @buffer={0x0, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = openat$sr(0xffffffffffffff9c, &(0x7f0000000100), 0x44b43, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, @buffer={0x0, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$AUTOFS_DEV_IOCTL_READY(r1, 0xc0189376, &(0x7f0000001340)={{0x1, 0x1, 0x18, r1, {0xc0}}, './file1\x00'}) ioctl$LOOP_SET_FD(r2, 0x4c00, r1) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) 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) pwritev(r4, &(0x7f0000000080)=[{&(0x7f0000000140)='\x00', 0x1a}], 0x1, 0x7fffffc, 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) sendfile(r3, r3, 0x0, 0x100000) 12:42:22 executing program 4: r0 = socket$unix(0x1, 0x5, 0x0) getsockopt$SO_TIMESTAMP(r0, 0x1, 0x3f, 0x0, &(0x7f00000005c0)) [ 75.769389] audit: type=1400 audit(1663677742.631:6): avc: denied { execmem } for pid=286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 12:42:22 executing program 5: 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) futex(0x0, 0x8c, 0x1, 0x0, &(0x7f0000000380), 0x0) 12:42:22 executing program 7: r0 = syz_io_uring_setup(0x443f, &(0x7f0000000200), &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000180)=@IORING_OP_READV=@pass_iovec={0x1, 0x5, 0x0, @fd, 0x0, 0x0, 0xfffffd03}, 0x0) io_uring_enter(r0, 0x10001b, 0x0, 0x0, 0x0, 0x0) 12:42:22 executing program 6: time(&(0x7f0000001940)) r0 = 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, 0xffffffff, 0x4, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x80, 0x3f, 0x2, 0xb7, 0x20, 0x0, 0xaa8, 0x10000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40008000, 0x0, @perf_config_ext={0x401}, 0x0, 0x0, 0x7, 0x9, 0xc5d, 0x3, 0x0, 0x0, 0x5}, 0xffffffffffffffff, 0x0, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) io_setup(0x9, &(0x7f0000000140)=0x0) r2 = openat$sr(0xffffffffffffff9c, &(0x7f0000000380), 0x800, 0x0) r3 = 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) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x8000, 0xffffffffffff0000}, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0xb) r5 = dup2(r4, r3) io_submit(r1, 0x1, &(0x7f00000005c0)=[&(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f00000001c0)=')', 0x1}]) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x141042, 0x0) ioctl$AUTOFS_IOC_EXPIRE_MULTI(0xffffffffffffffff, 0x40049366, &(0x7f0000001980)=0x1) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r5, 0xc018937e, &(0x7f0000000240)=ANY=[@ANYBLOB="04", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00./file1\x00']) [ 77.113562] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.116151] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.117193] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.120813] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.134268] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.136321] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.142282] Bluetooth: hci0: HCI_REQ-0x0c1a [ 77.197700] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 77.202240] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 77.204407] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 77.206755] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 77.208803] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 77.210062] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 77.211627] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 77.212904] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 77.215503] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 77.218927] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 77.220007] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 77.223073] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 77.223540] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 77.224286] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 77.226728] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 77.227018] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 77.227971] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 77.230059] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 77.230202] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 77.232735] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 77.234474] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 77.238829] Bluetooth: hci3: HCI_REQ-0x0c1a [ 77.239682] Bluetooth: hci2: HCI_REQ-0x0c1a [ 77.261262] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 77.262223] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 77.265796] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 77.267340] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 77.267376] Bluetooth: hci5: HCI_REQ-0x0c1a [ 77.269507] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 77.276186] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 77.277963] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 77.284658] Bluetooth: hci4: HCI_REQ-0x0c1a [ 77.292729] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 77.294346] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 77.295408] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 77.299166] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 77.301860] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 77.302885] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 77.307433] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 77.309111] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 77.314961] Bluetooth: hci6: HCI_REQ-0x0c1a [ 77.318758] Bluetooth: hci7: HCI_REQ-0x0c1a [ 79.202949] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 79.203089] Bluetooth: hci0: command 0x0409 tx timeout [ 79.267003] Bluetooth: hci3: command 0x0409 tx timeout [ 79.330800] Bluetooth: hci2: command 0x0409 tx timeout [ 79.331058] Bluetooth: hci7: command 0x0409 tx timeout [ 79.331631] Bluetooth: hci4: command 0x0409 tx timeout [ 79.332451] Bluetooth: hci5: command 0x0409 tx timeout [ 79.394690] Bluetooth: hci6: command 0x0409 tx timeout [ 81.250672] Bluetooth: hci0: command 0x041b tx timeout [ 81.314708] Bluetooth: hci3: command 0x041b tx timeout [ 81.378654] Bluetooth: hci4: command 0x041b tx timeout [ 81.379080] Bluetooth: hci7: command 0x041b tx timeout [ 81.379482] Bluetooth: hci2: command 0x041b tx timeout [ 81.380099] Bluetooth: hci5: command 0x041b tx timeout [ 81.442841] Bluetooth: hci6: command 0x041b tx timeout [ 83.299773] Bluetooth: hci0: command 0x040f tx timeout [ 83.363457] Bluetooth: hci3: command 0x040f tx timeout [ 83.426850] Bluetooth: hci5: command 0x040f tx timeout [ 83.426870] Bluetooth: hci2: command 0x040f tx timeout [ 83.427318] Bluetooth: hci7: command 0x040f tx timeout [ 83.427742] Bluetooth: hci4: command 0x040f tx timeout [ 83.491642] Bluetooth: hci6: command 0x040f tx timeout [ 84.195704] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 85.346793] Bluetooth: hci0: command 0x0419 tx timeout [ 85.410674] Bluetooth: hci3: command 0x0419 tx timeout [ 85.474693] Bluetooth: hci4: command 0x0419 tx timeout [ 85.485139] Bluetooth: hci7: command 0x0419 tx timeout [ 85.485162] Bluetooth: hci2: command 0x0419 tx timeout [ 85.485194] Bluetooth: hci5: command 0x0419 tx timeout [ 85.538672] Bluetooth: hci6: command 0x0419 tx timeout [ 86.873245] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 86.875832] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 86.879308] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 86.885294] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 86.886542] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 86.904849] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 86.922648] Bluetooth: hci1: HCI_REQ-0x0c1a [ 88.994737] Bluetooth: hci1: command 0x0409 tx timeout [ 91.042666] Bluetooth: hci1: command 0x041b tx timeout [ 93.090695] Bluetooth: hci1: command 0x040f tx timeout [ 95.139055] Bluetooth: hci1: command 0x0419 tx timeout [ 134.341336] audit: type=1400 audit(1663677801.203:7): avc: denied { create } for pid=3686 comm="syz-executor.0" name="file0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:autofs_device_t:s0 tclass=lnk_file permissive=1 [ 134.344090] audit: type=1400 audit(1663677801.203:8): avc: denied { associate } for pid=3686 comm="syz-executor.0" name="file0" scontext=system_u:object_r:autofs_device_t:s0 tcontext=system_u:object_r:hugetlbfs_t:s0 tclass=filesystem permissive=1 [ 135.931981] audit: type=1400 audit(1663677802.794:9): avc: denied { open } for pid=3775 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 135.933451] audit: type=1400 audit(1663677802.794:10): avc: denied { kernel } for pid=3775 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 135.949649] ------------[ cut here ]------------ [ 135.949687] [ 135.949693] ====================================================== [ 135.949700] WARNING: possible circular locking dependency detected [ 135.949708] 6.0.0-rc6-next-20220920 #1 Not tainted [ 135.949721] ------------------------------------------------------ [ 135.949727] syz-executor.3/3776 is trying to acquire lock: [ 135.949740] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 135.949808] [ 135.949808] but task is already holding lock: [ 135.949814] ffff88803fca9420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.949869] [ 135.949869] which lock already depends on the new lock. [ 135.949869] [ 135.949875] [ 135.949875] the existing dependency chain (in reverse order) is: [ 135.949881] [ 135.949881] -> #3 (&ctx->lock){....}-{2:2}: [ 135.949909] _raw_spin_lock+0x2a/0x40 [ 135.949946] __perf_event_task_sched_out+0x53b/0x18d0 [ 135.949972] __schedule+0xedd/0x2470 [ 135.949997] schedule+0xda/0x1b0 [ 135.950022] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.950045] syscall_exit_to_user_mode+0x19/0x40 [ 135.950068] do_syscall_64+0x48/0x90 [ 135.950099] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.950138] [ 135.950138] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 135.950166] _raw_spin_lock_nested+0x30/0x40 [ 135.950200] raw_spin_rq_lock_nested+0x1e/0x30 [ 135.950226] task_fork_fair+0x63/0x4d0 [ 135.950259] sched_cgroup_fork+0x3d0/0x540 [ 135.950287] copy_process+0x4183/0x6e20 [ 135.950308] kernel_clone+0xe7/0x890 [ 135.950327] user_mode_thread+0xad/0xf0 [ 135.950348] rest_init+0x24/0x250 [ 135.950368] arch_call_rest_init+0xf/0x14 [ 135.950396] start_kernel+0x4c1/0x4e6 [ 135.950421] secondary_startup_64_no_verify+0xe0/0xeb [ 135.950449] [ 135.950449] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 135.950476] _raw_spin_lock_irqsave+0x39/0x60 [ 135.950511] try_to_wake_up+0xab/0x1930 [ 135.950537] up+0x75/0xb0 [ 135.950560] __up_console_sem+0x6e/0x80 [ 135.950592] console_unlock+0x46a/0x590 [ 135.950623] vt_ioctl+0x2822/0x2ca0 [ 135.950649] tty_ioctl+0x7c4/0x1700 [ 135.950672] __x64_sys_ioctl+0x19a/0x210 [ 135.950702] do_syscall_64+0x3b/0x90 [ 135.950733] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.950772] [ 135.950772] -> #0 ((console_sem).lock){....}-{2:2}: [ 135.950799] __lock_acquire+0x2a02/0x5e70 [ 135.950832] lock_acquire+0x1a2/0x530 [ 135.950864] _raw_spin_lock_irqsave+0x39/0x60 [ 135.950898] down_trylock+0xe/0x70 [ 135.950923] __down_trylock_console_sem+0x3b/0xd0 [ 135.950956] vprintk_emit+0x16b/0x560 [ 135.950989] vprintk+0x84/0xa0 [ 135.951021] _printk+0xba/0xf1 [ 135.951040] report_bug.cold+0x72/0xab [ 135.951071] handle_bug+0x3c/0x70 [ 135.951101] exc_invalid_op+0x14/0x50 [ 135.951135] asm_exc_invalid_op+0x16/0x20 [ 135.951156] group_sched_out.part.0+0x2c7/0x460 [ 135.951179] ctx_sched_out+0x8f1/0xc10 [ 135.951199] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.951224] __schedule+0xedd/0x2470 [ 135.951249] schedule+0xda/0x1b0 [ 135.951273] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.951294] syscall_exit_to_user_mode+0x19/0x40 [ 135.951317] do_syscall_64+0x48/0x90 [ 135.951347] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.951386] [ 135.951386] other info that might help us debug this: [ 135.951386] [ 135.951391] Chain exists of: [ 135.951391] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 135.951391] [ 135.951421] Possible unsafe locking scenario: [ 135.951421] [ 135.951426] CPU0 CPU1 [ 135.951430] ---- ---- [ 135.951435] lock(&ctx->lock); [ 135.951446] lock(&rq->__lock); [ 135.951459] lock(&ctx->lock); [ 135.951471] lock((console_sem).lock); [ 135.951483] [ 135.951483] *** DEADLOCK *** [ 135.951483] [ 135.951487] 2 locks held by syz-executor.3/3776: [ 135.951501] #0: ffff88806ce37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 135.951557] #1: ffff88803fca9420 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 135.951614] [ 135.951614] stack backtrace: [ 135.951619] CPU: 0 PID: 3776 Comm: syz-executor.3 Not tainted 6.0.0-rc6-next-20220920 #1 [ 135.951644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 135.951659] Call Trace: [ 135.951665] [ 135.951673] dump_stack_lvl+0x8b/0xb3 [ 135.951707] check_noncircular+0x263/0x2e0 [ 135.951741] ? format_decode+0x26c/0xb50 [ 135.951771] ? print_circular_bug+0x450/0x450 [ 135.951805] ? enable_ptr_key_workfn+0x20/0x20 [ 135.951837] ? format_decode+0x26c/0xb50 [ 135.951869] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 135.951905] __lock_acquire+0x2a02/0x5e70 [ 135.951949] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 135.951994] lock_acquire+0x1a2/0x530 [ 135.952028] ? down_trylock+0xe/0x70 [ 135.952058] ? lock_release+0x750/0x750 [ 135.952099] ? vprintk+0x84/0xa0 [ 135.952135] _raw_spin_lock_irqsave+0x39/0x60 [ 135.952171] ? down_trylock+0xe/0x70 [ 135.952199] down_trylock+0xe/0x70 [ 135.952226] ? vprintk+0x84/0xa0 [ 135.952260] __down_trylock_console_sem+0x3b/0xd0 [ 135.952295] vprintk_emit+0x16b/0x560 [ 135.952333] vprintk+0x84/0xa0 [ 135.952368] _printk+0xba/0xf1 [ 135.952389] ? record_print_text.cold+0x16/0x16 [ 135.952419] ? report_bug.cold+0x66/0xab [ 135.952453] ? group_sched_out.part.0+0x2c7/0x460 [ 135.952476] report_bug.cold+0x72/0xab [ 135.952512] handle_bug+0x3c/0x70 [ 135.952571] exc_invalid_op+0x14/0x50 [ 135.952605] asm_exc_invalid_op+0x16/0x20 [ 135.952627] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 135.952654] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 135.952677] RSP: 0018:ffff88801f75fc48 EFLAGS: 00010006 [ 135.952695] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 135.952711] RDX: ffff88803ebd0000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 135.952727] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 135.952742] R10: 0000000000000000 R11: ffffffff865ae01b R12: ffff88803fca9400 [ 135.952757] R13: ffff88806ce3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 135.952780] ? group_sched_out.part.0+0x2c7/0x460 [ 135.952807] ? group_sched_out.part.0+0x2c7/0x460 [ 135.952834] ctx_sched_out+0x8f1/0xc10 [ 135.952860] __perf_event_task_sched_out+0x6d0/0x18d0 [ 135.952892] ? lock_is_held_type+0xd7/0x130 [ 135.952917] ? __perf_cgroup_move+0x160/0x160 [ 135.952941] ? set_next_entity+0x304/0x550 [ 135.952977] ? update_curr+0x267/0x740 [ 135.953014] ? lock_is_held_type+0xd7/0x130 [ 135.953039] __schedule+0xedd/0x2470 [ 135.953071] ? io_schedule_timeout+0x150/0x150 [ 135.953101] ? rcu_read_lock_sched_held+0x3e/0x80 [ 135.953142] schedule+0xda/0x1b0 [ 135.953169] exit_to_user_mode_prepare+0x114/0x1a0 [ 135.953194] syscall_exit_to_user_mode+0x19/0x40 [ 135.953218] do_syscall_64+0x48/0x90 [ 135.953251] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.953291] RIP: 0033:0x7faad3959b19 [ 135.953308] 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 [ 135.953330] RSP: 002b:00007faad0ecf218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 135.953352] RAX: 0000000000000001 RBX: 00007faad3a6cf68 RCX: 00007faad3959b19 [ 135.953367] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007faad3a6cf6c [ 135.953382] RBP: 00007faad3a6cf60 R08: 000000000000000e R09: 0000000000000000 [ 135.953397] R10: 0000000000000007 R11: 0000000000000246 R12: 00007faad3a6cf6c [ 135.953412] R13: 00007ffc2b8c887f R14: 00007faad0ecf300 R15: 0000000000022000 [ 135.953438] [ 136.061233] WARNING: CPU: 0 PID: 3776 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 136.062559] Modules linked in: [ 136.063040] CPU: 0 PID: 3776 Comm: syz-executor.3 Not tainted 6.0.0-rc6-next-20220920 #1 [ 136.064235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 136.065891] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 136.066694] Code: 5e 41 5f e9 9b b9 ef ff e8 96 b9 ef ff 65 8b 1d 0b 13 ac 7e 31 ff 89 de e8 36 b6 ef ff 85 db 0f 84 8a 00 00 00 e8 79 b9 ef ff <0f> 0b e9 a5 fe ff ff e8 6d b9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 136.069222] RSP: 0018:ffff88801f75fc48 EFLAGS: 00010006 [ 136.070029] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 136.071039] RDX: ffff88803ebd0000 RSI: ffffffff815662c7 RDI: 0000000000000005 [ 136.072052] RBP: ffff888008668000 R08: 0000000000000005 R09: 0000000000000001 [ 136.073075] R10: 0000000000000000 R11: ffffffff865ae01b R12: ffff88803fca9400 [ 136.074075] R13: ffff88806ce3d140 R14: ffffffff8547cec0 R15: 0000000000000002 [ 136.075097] FS: 00007faad0ecf700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 136.076307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.077149] CR2: 00007f612a71c4a1 CR3: 000000003f0ec000 CR4: 0000000000350ef0 [ 136.078182] Call Trace: [ 136.078558] [ 136.078898] ctx_sched_out+0x8f1/0xc10 [ 136.079466] __perf_event_task_sched_out+0x6d0/0x18d0 [ 136.080212] ? lock_is_held_type+0xd7/0x130 [ 136.080831] ? __perf_cgroup_move+0x160/0x160 [ 136.081483] ? set_next_entity+0x304/0x550 [ 136.082114] ? update_curr+0x267/0x740 [ 136.082731] ? lock_is_held_type+0xd7/0x130 [ 136.083353] __schedule+0xedd/0x2470 [ 136.083906] ? io_schedule_timeout+0x150/0x150 [ 136.084586] ? rcu_read_lock_sched_held+0x3e/0x80 [ 136.085283] schedule+0xda/0x1b0 [ 136.085774] exit_to_user_mode_prepare+0x114/0x1a0 [ 136.086457] syscall_exit_to_user_mode+0x19/0x40 [ 136.087115] do_syscall_64+0x48/0x90 [ 136.087643] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 136.088367] RIP: 0033:0x7faad3959b19 [ 136.088886] 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 [ 136.091324] RSP: 002b:00007faad0ecf218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 136.092343] RAX: 0000000000000001 RBX: 00007faad3a6cf68 RCX: 00007faad3959b19 [ 136.093319] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007faad3a6cf6c [ 136.094281] RBP: 00007faad3a6cf60 R08: 000000000000000e R09: 0000000000000000 [ 136.095246] R10: 0000000000000007 R11: 0000000000000246 R12: 00007faad3a6cf6c [ 136.096211] R13: 00007ffc2b8c887f R14: 00007faad0ecf300 R15: 0000000000022000 [ 136.097201] [ 136.097549] irq event stamp: 1390 [ 136.098068] hardirqs last enabled at (1389): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 136.099468] hardirqs last disabled at (1390): [] __schedule+0x1225/0x2470 [ 136.100720] softirqs last enabled at (1314): [] __irq_exit_rcu+0x11b/0x180 [ 136.102006] softirqs last disabled at (1209): [] __irq_exit_rcu+0x11b/0x180 [ 136.103307] ---[ end trace 0000000000000000 ]--- [ 136.619409] syz-executor.3 (3776) used greatest stack depth: 24344 bytes left [ 140.707058] Bluetooth: hci2: Opcode 0x c03 failed: -110 [ 140.962694] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 140.962724] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 140.964634] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 140.965632] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 142.886167] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 142.889515] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 142.891017] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 142.894070] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 142.895484] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 142.897322] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 142.902308] Bluetooth: hci2: HCI_REQ-0x0c1a [ 144.930664] Bluetooth: hci2: command 0x0409 tx timeout [ 145.250621] Bluetooth: hci4: Opcode 0x c03 failed: -110 [ 145.251571] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 145.314621] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 145.315416] Bluetooth: hci5: Opcode 0x c03 failed: -110 VM DIAGNOSIS: 12:43:23 Registers: info registers vcpu 0 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1551 RDI=ffffffff87643ba0 RBP=ffffffff87643b60 RSP=ffff88801f75f698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 R13=ffffffff87643b60 R14=0000000000000010 R15=ffffffff822b1540 RIP=ffffffff822b15a9 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007faad0ecf700 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=00007f612a71c4a1 CR3=000000003f0ec000 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 00007faad3a407c0 00007faad3a407c8 YMM02=0000000000000000 0000000000000000 00007faad3a407e0 00007faad3a407c0 YMM03=0000000000000000 0000000000000000 00007faad3a407c8 00007faad3a407c0 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=0000000000000000 RCX=0000000080000001 RDX=ffff888010201ac0 RSI=ffffffff816e4d70 RDI=0000000000000001 RBP=ffffea0000ed4180 RSP=ffff88801b25f610 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88800de2c000 R14=0000000000000000 R15=ffffea0000ed4180 RIP=ffffffff81461c4d 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=00007fe9390aa1f0 CR3=000000000f394000 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 ffffffffffffff00 ffffffffffffffff YMM02=0000000000000000 0000000000000000 7269762f73656369 7665642f7379732f YMM03=0000000000000000 0000000000000000 6c6175747269762f 736563697665642f YMM04=0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f YMM05=0000000000000000 0000000000000000 0000559d34752f80 0000559d34764490 YMM06=0000000000000000 0000000000000000 0000559d34732d20 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