Warning: Permanently added '[localhost]:15145' (ECDSA) to the list of known hosts. 2022/10/01 02:34:29 fuzzer started 2022/10/01 02:34:29 dialing manager at localhost:35095 syzkaller login: [ 45.695089] cgroup: Unknown subsys name 'net' [ 45.897334] cgroup: Unknown subsys name 'rlimit' 2022/10/01 02:34:43 syscalls: 2215 2022/10/01 02:34:43 code coverage: enabled 2022/10/01 02:34:43 comparison tracing: enabled 2022/10/01 02:34:43 extra coverage: enabled 2022/10/01 02:34:43 setuid sandbox: enabled 2022/10/01 02:34:43 namespace sandbox: enabled 2022/10/01 02:34:43 Android sandbox: enabled 2022/10/01 02:34:43 fault injection: enabled 2022/10/01 02:34:43 leak checking: enabled 2022/10/01 02:34:43 net packet injection: enabled 2022/10/01 02:34:43 net device setup: enabled 2022/10/01 02:34:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/10/01 02:34:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/10/01 02:34:43 USB emulation: enabled 2022/10/01 02:34:43 hci packet injection: enabled 2022/10/01 02:34:43 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220930) 2022/10/01 02:34:43 802.15.4 emulation: enabled 2022/10/01 02:34:43 fetching corpus: 0, signal 0/2000 (executing program) 2022/10/01 02:34:43 fetching corpus: 50, signal 30459/33235 (executing program) 2022/10/01 02:34:43 fetching corpus: 100, signal 38634/42334 (executing program) 2022/10/01 02:34:43 fetching corpus: 150, signal 46186/50530 (executing program) 2022/10/01 02:34:43 fetching corpus: 200, signal 51799/56673 (executing program) 2022/10/01 02:34:43 fetching corpus: 250, signal 56111/61471 (executing program) 2022/10/01 02:34:43 fetching corpus: 300, signal 59379/65213 (executing program) 2022/10/01 02:34:44 fetching corpus: 350, signal 62458/68627 (executing program) 2022/10/01 02:34:44 fetching corpus: 400, signal 67110/73312 (executing program) 2022/10/01 02:34:44 fetching corpus: 450, signal 71585/77618 (executing program) 2022/10/01 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fetching corpus: 1031, signal 100802/102660 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100802/102713 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100802/102763 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100802/102816 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100802/102868 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100802/102929 (executing program) 2022/10/01 02:34:46 fetching corpus: 1031, signal 100836/103006 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100842/103071 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100842/103124 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100842/103166 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100842/103230 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100842/103287 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103332 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103391 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103723 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103797 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103819 (executing program) 2022/10/01 02:34:46 fetching corpus: 1032, signal 100843/103819 (executing program) 2022/10/01 02:34:49 starting 8 fuzzer processes 02:34:49 executing program 0: 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_bp={&(0x7f0000000480)}}, 0x0, 0xffffffefffffffff, 0xffffffffffffffff, 0x0) r0 = epoll_create(0x4) r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000200), 0x8, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000240)={0xa0002000}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TIOCSPTLCK(r2, 0x40045431, &(0x7f0000000040)) ioctl$TIOCGPTPEER(r2, 0x5441, 0x0) io_submit(0x0, 0x0, 0x0) openat$vcsu(0xffffffffffffff9c, &(0x7f00000004c0), 0x80000, 0x0) lseek(0xffffffffffffffff, 0xfffffffffffffff7, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x2, 0x0) ioctl$TIOCGPTPEER(r2, 0x5441, 0xd29) 02:34:49 executing program 1: syz_genetlink_get_family_id$ieee802154(&(0x7f0000000580), 0xffffffffffffffff) 02:34:49 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@ipv4, 0x0, 0x1, 0x0, 0xc}, 0x20) 02:34:49 executing program 3: mlock2(&(0x7f0000ff4000/0x4000)=nil, 0x4000, 0x0) shmat(0xffffffffffffffff, &(0x7f0000fed000/0x13000)=nil, 0x0) r0 = perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x80000001}, 0x0, 0x7ff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) mmap$perf(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x10, 0xffffffffffffffff, 0x4) ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000040)=0x2) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x90c83, 0x0) finit_module(r1, &(0x7f0000000100)='/,*\x00', 0x3) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000180)='smaps_rollup\x00') perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 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, 0x3, @perf_config_ext={0x0, 0x2000000000000000}, 0x10, 0x0, 0x8, 0x0, 0x0, 0x0, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) finit_module(r0, &(0x7f0000000140)='/dev/loop-control\x00', 0x3) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x2) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305) mremap(&(0x7f0000ff7000/0x2000)=nil, 0x2000, 0x1000, 0x7, &(0x7f0000fff000/0x1000)=nil) mremap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x2000, 0x3, &(0x7f0000ffa000/0x2000)=nil) [ 65.293314] audit: type=1400 audit(1664591689.580:6): avc: denied { execmem } for pid=286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 02:34:49 executing program 5: arch_prctl$ARCH_GET_GS(0x1004, &(0x7f0000000800)) 02:34:49 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_VENDOR(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x28, r1, 0x87d27e71721737b5, 0x0, 0x0, {{0x15}, {@void, @val={0x8, 0x13e}, @val={0xc}}}}, 0x28}}, 0x0) 02:34:49 executing program 6: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) bind$unix(r0, &(0x7f00000008c0)=@abs={0x1, 0x0, 0xfffffffd}, 0x6e) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) bind$unix(r1, &(0x7f00000008c0)=@abs={0x1}, 0x6e) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000003c0)={0xffffffffffffffff}) bind$unix(r2, &(0x7f00000008c0)=@abs={0x1, 0x0, 0xfffffffd}, 0x6e) 02:34:49 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000000ac0), 0x0, 0x0) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000000040)=""/53) [ 66.573378] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.574860] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.576904] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.580250] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 66.581970] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.584522] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 66.585883] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.587312] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.589024] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 66.592726] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 66.595194] Bluetooth: hci0: HCI_REQ-0x0c1a [ 66.596702] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 66.597902] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 66.623629] Bluetooth: hci1: HCI_REQ-0x0c1a [ 66.653473] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 66.654964] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 66.656877] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 66.658074] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 66.662749] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 66.664079] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 66.664961] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 66.665702] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 66.666391] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 66.668020] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 66.669461] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 66.671815] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 66.673540] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 66.674709] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 66.674814] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 66.678987] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 66.680816] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 66.687226] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 66.691925] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 66.694714] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 66.696691] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 66.698592] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 66.701485] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 66.703211] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 66.705507] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 66.707096] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 66.708500] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 66.710335] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 66.711882] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 66.713137] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 66.714453] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 66.716707] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 66.718267] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 66.722462] Bluetooth: hci2: HCI_REQ-0x0c1a [ 66.725382] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 66.728618] Bluetooth: hci3: HCI_REQ-0x0c1a [ 66.729896] Bluetooth: hci4: HCI_REQ-0x0c1a [ 66.732593] Bluetooth: hci6: HCI_REQ-0x0c1a [ 66.732850] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 66.734546] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 66.734766] Bluetooth: hci5: HCI_REQ-0x0c1a [ 66.747243] Bluetooth: hci7: HCI_REQ-0x0c1a [ 68.715633] Bluetooth: hci0: command 0x0409 tx timeout [ 68.715654] Bluetooth: hci1: command 0x0409 tx timeout [ 68.779163] Bluetooth: hci4: command 0x0409 tx timeout [ 68.780107] Bluetooth: hci5: command 0x0409 tx timeout [ 68.780277] Bluetooth: hci7: command 0x0409 tx timeout [ 68.780597] Bluetooth: hci2: command 0x0409 tx timeout [ 68.781262] Bluetooth: hci6: command 0x0409 tx timeout [ 68.781749] Bluetooth: hci3: command 0x0409 tx timeout [ 70.763200] Bluetooth: hci0: command 0x041b tx timeout [ 70.763217] Bluetooth: hci1: command 0x041b tx timeout [ 70.827235] Bluetooth: hci3: command 0x041b tx timeout [ 70.827733] Bluetooth: hci6: command 0x041b tx timeout [ 70.828163] Bluetooth: hci4: command 0x041b tx timeout [ 70.828550] Bluetooth: hci2: command 0x041b tx timeout [ 70.828936] Bluetooth: hci7: command 0x041b tx timeout [ 70.829340] Bluetooth: hci5: command 0x041b tx timeout [ 72.811150] Bluetooth: hci0: command 0x040f tx timeout [ 72.811893] Bluetooth: hci1: command 0x040f tx timeout [ 72.875166] Bluetooth: hci5: command 0x040f tx timeout [ 72.875933] Bluetooth: hci7: command 0x040f tx timeout [ 72.876702] Bluetooth: hci2: command 0x040f tx timeout [ 72.877952] Bluetooth: hci4: command 0x040f tx timeout [ 72.878692] Bluetooth: hci6: command 0x040f tx timeout [ 72.879435] Bluetooth: hci3: command 0x040f tx timeout [ 74.859093] Bluetooth: hci1: command 0x0419 tx timeout [ 74.859559] Bluetooth: hci0: command 0x0419 tx timeout [ 74.924134] Bluetooth: hci3: command 0x0419 tx timeout [ 74.924588] Bluetooth: hci6: command 0x0419 tx timeout [ 74.924994] Bluetooth: hci4: command 0x0419 tx timeout [ 74.925429] Bluetooth: hci2: command 0x0419 tx timeout [ 74.925822] Bluetooth: hci7: command 0x0419 tx timeout [ 74.926241] Bluetooth: hci5: command 0x0419 tx timeout 02:35:45 executing program 1: openat$sndseq(0xffffffffffffff9c, &(0x7f0000000140), 0x10d002) 02:35:46 executing program 1: openat$sndseq(0xffffffffffffff9c, &(0x7f0000000140), 0x10d002) 02:35:46 executing program 1: openat$sndseq(0xffffffffffffff9c, &(0x7f0000000140), 0x10d002) 02:35:46 executing program 1: openat$sndseq(0xffffffffffffff9c, &(0x7f0000000140), 0x10d002) 02:35:46 executing program 1: io_setup(0x6, &(0x7f0000000040)=0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x40086602, &(0x7f0000000080)={0x200017e}) io_submit(r0, 0x1, &(0x7f0000000480)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x8, 0x0, r1, 0x0}]) 02:35:46 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@ipv4, 0x0, 0x1, 0x0, 0xc}, 0x20) 02:35:46 executing program 1: io_setup(0x6, &(0x7f0000000040)=0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x40086602, &(0x7f0000000080)={0x200017e}) io_submit(r0, 0x1, &(0x7f0000000480)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x8, 0x0, r1, 0x0}]) 02:35:46 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000300)={@ipv4, 0x0, 0x1, 0x0, 0xc}, 0x20) [ 123.403641] audit: type=1400 audit(1664591747.690:7): avc: denied { open } for pid=3870 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 [ 123.405720] audit: type=1400 audit(1664591747.690:8): avc: denied { kernel } for pid=3870 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 [ 123.428184] ------------[ cut here ]------------ [ 123.428221] [ 123.428226] ====================================================== [ 123.428232] WARNING: possible circular locking dependency detected [ 123.428239] 6.0.0-rc7-next-20220930 #1 Not tainted [ 123.428263] ------------------------------------------------------ [ 123.428270] syz-executor.0/3872 is trying to acquire lock: [ 123.428289] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 123.428366] [ 123.428366] but task is already holding lock: [ 123.428371] ffff88803f082820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 123.428419] [ 123.428419] which lock already depends on the new lock. [ 123.428419] [ 123.428424] [ 123.428424] the existing dependency chain (in reverse order) is: [ 123.428430] [ 123.428430] -> #3 (&ctx->lock){....}-{2:2}: [ 123.428455] _raw_spin_lock+0x2a/0x40 [ 123.428476] __perf_event_task_sched_out+0x53b/0x18d0 [ 123.428496] __schedule+0xedd/0x2470 [ 123.428522] schedule+0xda/0x1b0 [ 123.428546] exit_to_user_mode_prepare+0x114/0x1a0 [ 123.428568] syscall_exit_to_user_mode+0x19/0x40 [ 123.428592] do_syscall_64+0x48/0x90 [ 123.428627] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 123.428651] [ 123.428651] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 123.428676] _raw_spin_lock_nested+0x30/0x40 [ 123.428696] raw_spin_rq_lock_nested+0x1e/0x30 [ 123.428719] task_fork_fair+0x63/0x4d0 [ 123.428749] sched_cgroup_fork+0x3d0/0x540 [ 123.428775] copy_process+0x4183/0x6e20 [ 123.428794] kernel_clone+0xe7/0x890 [ 123.428811] user_mode_thread+0xad/0xf0 [ 123.428830] rest_init+0x24/0x250 [ 123.428852] arch_call_rest_init+0xf/0x14 [ 123.428883] start_kernel+0x4c6/0x4eb [ 123.428911] secondary_startup_64_no_verify+0xe0/0xeb [ 123.428936] [ 123.428936] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 123.428960] _raw_spin_lock_irqsave+0x39/0x60 [ 123.428980] try_to_wake_up+0xab/0x1930 [ 123.429005] up+0x75/0xb0 [ 123.429030] __up_console_sem+0x6e/0x80 [ 123.429059] console_unlock+0x46a/0x590 [ 123.429088] vprintk_emit+0x1bd/0x560 [ 123.429117] vprintk+0x84/0xa0 [ 123.429146] _printk+0xba/0xf1 [ 123.429167] regdb_fw_cb.cold+0x6c/0xa7 [ 123.429197] request_firmware_work_func+0x12e/0x240 [ 123.429231] process_one_work+0xa17/0x16a0 [ 123.429263] worker_thread+0x637/0x1260 [ 123.429293] kthread+0x2ed/0x3a0 [ 123.429319] ret_from_fork+0x22/0x30 [ 123.429341] [ 123.429341] -> #0 ((console_sem).lock){....}-{2:2}: [ 123.429366] __lock_acquire+0x2a02/0x5e70 [ 123.429396] lock_acquire+0x1a2/0x530 [ 123.429425] _raw_spin_lock_irqsave+0x39/0x60 [ 123.429445] down_trylock+0xe/0x70 [ 123.429472] __down_trylock_console_sem+0x3b/0xd0 [ 123.429502] vprintk_emit+0x16b/0x560 [ 123.429531] vprintk+0x84/0xa0 [ 123.429560] _printk+0xba/0xf1 [ 123.429579] report_bug.cold+0x72/0xab [ 123.429609] handle_bug+0x3c/0x70 [ 123.429639] exc_invalid_op+0x14/0x50 [ 123.429670] asm_exc_invalid_op+0x16/0x20 [ 123.429692] group_sched_out.part.0+0x2c7/0x460 [ 123.429725] ctx_sched_out+0x8f1/0xc10 [ 123.429755] __perf_event_task_sched_out+0x6d0/0x18d0 [ 123.429775] __schedule+0xedd/0x2470 [ 123.429800] schedule+0xda/0x1b0 [ 123.429824] exit_to_user_mode_prepare+0x114/0x1a0 [ 123.429844] syscall_exit_to_user_mode+0x19/0x40 [ 123.429867] do_syscall_64+0x48/0x90 [ 123.429897] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 123.429921] [ 123.429921] other info that might help us debug this: [ 123.429921] [ 123.429926] Chain exists of: [ 123.429926] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 123.429926] [ 123.429953] Possible unsafe locking scenario: [ 123.429953] [ 123.429957] CPU0 CPU1 [ 123.429961] ---- ---- [ 123.429965] lock(&ctx->lock); [ 123.429975] lock(&rq->__lock); [ 123.429987] lock(&ctx->lock); [ 123.429998] lock((console_sem).lock); [ 123.430009] [ 123.430009] *** DEADLOCK *** [ 123.430009] [ 123.430012] 2 locks held by syz-executor.0/3872: [ 123.430025] #0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 123.430079] #1: ffff88803f082820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 123.430127] [ 123.430127] stack backtrace: [ 123.430132] CPU: 0 PID: 3872 Comm: syz-executor.0 Not tainted 6.0.0-rc7-next-20220930 #1 [ 123.430155] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 123.430170] Call Trace: [ 123.430175] [ 123.430183] dump_stack_lvl+0x8b/0xb3 [ 123.430216] check_noncircular+0x263/0x2e0 [ 123.430246] ? format_decode+0x26c/0xb50 [ 123.430276] ? print_circular_bug+0x450/0x450 [ 123.430307] ? simple_strtoul+0x30/0x30 [ 123.430336] ? format_decode+0x26c/0xb50 [ 123.430368] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 123.430400] __lock_acquire+0x2a02/0x5e70 [ 123.430439] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 123.430480] lock_acquire+0x1a2/0x530 [ 123.430511] ? down_trylock+0xe/0x70 [ 123.430543] ? lock_release+0x750/0x750 [ 123.430580] ? vprintk+0x84/0xa0 [ 123.430613] _raw_spin_lock_irqsave+0x39/0x60 [ 123.430634] ? down_trylock+0xe/0x70 [ 123.430663] down_trylock+0xe/0x70 [ 123.430692] ? vprintk+0x84/0xa0 [ 123.430723] __down_trylock_console_sem+0x3b/0xd0 [ 123.430755] vprintk_emit+0x16b/0x560 [ 123.430789] vprintk+0x84/0xa0 [ 123.430821] _printk+0xba/0xf1 [ 123.430842] ? record_print_text.cold+0x16/0x16 [ 123.430871] ? report_bug.cold+0x66/0xab [ 123.430904] ? group_sched_out.part.0+0x2c7/0x460 [ 123.430938] report_bug.cold+0x72/0xab [ 123.430973] handle_bug+0x3c/0x70 [ 123.431004] exc_invalid_op+0x14/0x50 [ 123.431038] asm_exc_invalid_op+0x16/0x20 [ 123.431061] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 123.431098] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 123.431119] RSP: 0018:ffff88803f607c48 EFLAGS: 00010006 [ 123.431136] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 123.431150] RDX: ffff88800ffb0000 RSI: ffffffff81565dc7 RDI: 0000000000000005 [ 123.431164] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 123.431177] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803f082800 [ 123.431191] R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002 [ 123.431211] ? group_sched_out.part.0+0x2c7/0x460 [ 123.431248] ? group_sched_out.part.0+0x2c7/0x460 [ 123.431285] ctx_sched_out+0x8f1/0xc10 [ 123.431321] __perf_event_task_sched_out+0x6d0/0x18d0 [ 123.431347] ? lock_is_held_type+0xd7/0x130 [ 123.431372] ? __perf_cgroup_move+0x160/0x160 [ 123.431392] ? set_next_entity+0x304/0x550 [ 123.431425] ? update_curr+0x267/0x740 [ 123.431458] ? lock_is_held_type+0xd7/0x130 [ 123.431484] __schedule+0xedd/0x2470 [ 123.431515] ? io_schedule_timeout+0x150/0x150 [ 123.431546] ? rcu_read_lock_sched_held+0x3e/0x80 [ 123.431583] schedule+0xda/0x1b0 [ 123.431613] exit_to_user_mode_prepare+0x114/0x1a0 [ 123.431638] syscall_exit_to_user_mode+0x19/0x40 [ 123.431663] do_syscall_64+0x48/0x90 [ 123.431695] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 123.431720] RIP: 0033:0x7f0582025b19 [ 123.431735] 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 [ 123.431755] RSP: 002b:00007f057f59b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 123.431774] RAX: 0000000000000001 RBX: 00007f0582138f68 RCX: 00007f0582025b19 [ 123.431788] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0582138f6c [ 123.431801] RBP: 00007f0582138f60 R08: 000000000000000e R09: 0000000000000000 [ 123.431814] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0582138f6c [ 123.431828] R13: 00007fffda8a167f R14: 00007f057f59b300 R15: 0000000000022000 [ 123.431851] [ 123.535632] WARNING: CPU: 0 PID: 3872 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 123.536881] Modules linked in: [ 123.537307] CPU: 0 PID: 3872 Comm: syz-executor.0 Not tainted 6.0.0-rc7-next-20220930 #1 [ 123.538353] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 123.539801] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 123.540558] Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 123.542914] RSP: 0018:ffff88803f607c48 EFLAGS: 00010006 [ 123.543623] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 123.544611] RDX: ffff88800ffb0000 RSI: ffffffff81565dc7 RDI: 0000000000000005 [ 123.545557] RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 [ 123.546497] R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88803f082800 [ 123.547450] R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002 [ 123.548407] FS: 00007f057f59b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 123.549450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.550204] CR2: 00007fde33cd0260 CR3: 000000001dafc000 CR4: 0000000000350ef0 [ 123.551134] Call Trace: [ 123.551477] [ 123.551782] ctx_sched_out+0x8f1/0xc10 [ 123.552356] __perf_event_task_sched_out+0x6d0/0x18d0 [ 123.553043] ? lock_is_held_type+0xd7/0x130 [ 123.553621] ? __perf_cgroup_move+0x160/0x160 [ 123.554221] ? set_next_entity+0x304/0x550 [ 123.554791] ? update_curr+0x267/0x740 [ 123.555324] ? lock_is_held_type+0xd7/0x130 [ 123.555904] __schedule+0xedd/0x2470 [ 123.556485] ? io_schedule_timeout+0x150/0x150 [ 123.557103] ? rcu_read_lock_sched_held+0x3e/0x80 [ 123.557759] schedule+0xda/0x1b0 [ 123.558260] exit_to_user_mode_prepare+0x114/0x1a0 [ 123.558931] syscall_exit_to_user_mode+0x19/0x40 [ 123.559567] do_syscall_64+0x48/0x90 [ 123.560109] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 123.560852] RIP: 0033:0x7f0582025b19 [ 123.561359] 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 [ 123.563789] RSP: 002b:00007f057f59b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 123.564857] RAX: 0000000000000001 RBX: 00007f0582138f68 RCX: 00007f0582025b19 [ 123.565828] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0582138f6c [ 123.566792] RBP: 00007f0582138f60 R08: 000000000000000e R09: 0000000000000000 [ 123.567724] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f0582138f6c [ 123.568726] R13: 00007fffda8a167f R14: 00007f057f59b300 R15: 0000000000022000 [ 123.569669] [ 123.569996] irq event stamp: 752 [ 123.570456] hardirqs last enabled at (751): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 123.571698] hardirqs last disabled at (752): [] __schedule+0x1225/0x2470 [ 123.572853] softirqs last enabled at (498): [] __irq_exit_rcu+0x11b/0x180 [ 123.574037] softirqs last disabled at (403): [] __irq_exit_rcu+0x11b/0x180 [ 123.575206] ---[ end trace 0000000000000000 ]--- [ 123.954541] audit: type=1400 audit(1664591748.239:9): avc: denied { block_suspend } for pid=3870 comm="syz-executor.0" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [ 127.917535] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 127.927820] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 127.928677] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 127.930979] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 127.931795] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 127.932793] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 127.934734] Bluetooth: hci6: HCI_REQ-0x0c1a [ 129.963149] Bluetooth: hci6: command 0x0409 tx timeout [ 132.011090] Bluetooth: hci6: command 0x041b tx timeout VM DIAGNOSIS: 02:35:48 Registers: info registers vcpu 0 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823bb0f1 RDI=ffffffff8765a9a0 RBP=ffffffff8765a960 RSP=ffff88803f607690 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 R13=ffffffff8765a960 R14=0000000000000010 R15=ffffffff823bb0e0 RIP=ffffffff823bb149 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 00007f057f59b700 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=00007fde33cd0260 CR3=000000001dafc000 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 00007f058210c7c0 00007f058210c7c8 YMM02=0000000000000000 0000000000000000 00007f058210c7e0 00007f058210c7c0 YMM03=0000000000000000 0000000000000000 00007f058210c7c8 00007f058210c7c0 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=1ffff110040e0ede RBX=000000000000000e RCX=0000000000000800 RDX=0000000000000000 RSI=000000000000000f RDI=ffff8880207076f0 RBP=dffffc0000000000 RSP=ffff8880207075f8 R8 =0000000000000001 R9 =ffffffff85b06ed7 R10=0000000000000000 R11=0000000000000001 R12=000000000000000f R13=0000000000000001 R14=0000000000000800 R15=ffff888020707680 RIP=ffffffff81359dc6 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=00007f9dcf6508e0 CR3=000000003e3c2000 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 00362e6f732e6362 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 ffff0000000000ff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff 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