Warning: Permanently added '[localhost]:26922' (ECDSA) to the list of known hosts. 2022/09/29 04:00:41 fuzzer started 2022/09/29 04:00:41 dialing manager at localhost:45751 syzkaller login: [ 36.244253] cgroup: Unknown subsys name 'net' [ 36.335730] cgroup: Unknown subsys name 'rlimit' 2022/09/29 04:00:57 syscalls: 2215 2022/09/29 04:00:57 code coverage: enabled 2022/09/29 04:00:57 comparison tracing: enabled 2022/09/29 04:00:57 extra coverage: enabled 2022/09/29 04:00:57 setuid sandbox: enabled 2022/09/29 04:00:57 namespace sandbox: enabled 2022/09/29 04:00:57 Android sandbox: enabled 2022/09/29 04:00:57 fault injection: enabled 2022/09/29 04:00:57 leak checking: enabled 2022/09/29 04:00:57 net packet injection: enabled 2022/09/29 04:00:57 net device setup: enabled 2022/09/29 04:00:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/29 04:00:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/29 04:00:57 USB emulation: enabled 2022/09/29 04:00:57 hci packet injection: enabled 2022/09/29 04:00:57 wifi device emulation: failed to parse kernel version (6.0.0-rc7-next-20220928) 2022/09/29 04:00:57 802.15.4 emulation: enabled 2022/09/29 04:00:57 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/29 04:00:57 fetching corpus: 50, signal 23190/26725 (executing program) 2022/09/29 04:00:58 fetching corpus: 100, signal 33509/38490 (executing program) 2022/09/29 04:00:58 fetching corpus: 150, signal 41682/47976 (executing program) 2022/09/29 04:00:58 fetching corpus: 200, signal 50449/57930 (executing program) 2022/09/29 04:00:58 fetching corpus: 250, signal 57381/65906 (executing program) 2022/09/29 04:00:58 fetching corpus: 300, signal 61057/70775 (executing program) 2022/09/29 04:00:58 fetching corpus: 350, signal 67107/77779 (executing program) 2022/09/29 04:00:58 fetching corpus: 400, signal 69842/81600 (executing program) 2022/09/29 04:00:58 fetching corpus: 450, signal 72550/85352 (executing program) 2022/09/29 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signal 191963/203149 (executing program) 2022/09/29 04:01:09 fetching corpus: 4700, signal 192672/203309 (executing program) 2022/09/29 04:01:09 fetching corpus: 4750, signal 193366/203462 (executing program) 2022/09/29 04:01:09 fetching corpus: 4800, signal 194319/203620 (executing program) 2022/09/29 04:01:09 fetching corpus: 4850, signal 194685/203739 (executing program) 2022/09/29 04:01:09 fetching corpus: 4900, signal 195320/203843 (executing program) 2022/09/29 04:01:09 fetching corpus: 4950, signal 196221/203928 (executing program) 2022/09/29 04:01:09 fetching corpus: 5000, signal 196844/203987 (executing program) 2022/09/29 04:01:09 fetching corpus: 5050, signal 197735/204003 (executing program) 2022/09/29 04:01:09 fetching corpus: 5075, signal 198042/204003 (executing program) 2022/09/29 04:01:09 fetching corpus: 5075, signal 198042/204003 (executing program) 2022/09/29 04:01:12 starting 8 fuzzer processes 04:01:12 executing program 0: socket$inet6(0xa, 0x0, 0x401) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/asound/timers\x00', 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, 0x0) open(&(0x7f0000000200)='./file0\x00', 0x8e002, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0), 0xffffffffffffffff) socketpair(0x0, 0x0, 0x0, &(0x7f0000000540)) syz_genetlink_get_family_id$ethtool(&(0x7f00000005c0), 0xffffffffffffffff) 04:01:12 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f0000004a80)=[{{&(0x7f0000002740)={0xa, 0x4e24, 0x0, @local, 0x7fff}, 0x1c, &(0x7f0000003880)=[{0x0}, {0x0}], 0x2, &(0x7f00000038c0)=[@dontfrag={{0x14, 0x29, 0x3e, 0x7fffffff}}], 0x18}}], 0x1, 0x0) 04:01:12 executing program 2: ustat(0x8000000000201, &(0x7f0000000000)) ustat(0x7fffffff, &(0x7f0000000340)) ustat(0x5, &(0x7f0000000300)) r0 = open(0x0, 0x0, 0x22) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000500)={0x0, 0x2, 0xffffffffffffffff, 0x6}) 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, 0x0, 0x0, 0x0, 0x4000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1}, 0x40, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x41, 0x0) r2 = ioctl$LOOP_CTL_GET_FREE(r1, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0) ioctl$AUTOFS_IOC_EXPIRE(0xffffffffffffffff, 0x810c9365, &(0x7f0000000140)={{0x7, 0x3}, 0x100, './file1\x00'}) pwritev(r3, &(0x7f0000000640)=[{&(0x7f00000002c0)="19", 0x1}], 0x1, 0x8000000, 0x0) 04:01:12 executing program 3: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='mqueue\x00', 0x0, 0x0) syz_mount_image$tmpfs(0x0, &(0x7f0000000140)='./file1\x00', 0x0, 0x0, 0x0, 0x0, 0x0) rename(&(0x7f0000000080)='./file1\x00', &(0x7f0000000180)='./file0\x00') 04:01:12 executing program 5: r0 = syz_io_uring_setup(0x5b4a, &(0x7f0000000000), &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ff9000/0x2000)=nil, &(0x7f0000000080), &(0x7f00000000c0)) io_uring_register$IORING_UNREGISTER_EVENTFD(r0, 0x5, 0x0, 0x0) [ 67.170647] audit: type=1400 audit(1664424072.781:6): avc: denied { execmem } for pid=282 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 04:01:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_mtu(r0, 0x29, 0x39, &(0x7f0000000000), 0x4) 04:01:12 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x12, &(0x7f0000002680), 0x4) 04:01:12 executing program 7: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$GIO_SCRNMAP(r0, 0x4b4b, 0xfffffffffffffffe) [ 68.612487] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.616251] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 68.618409] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 68.620318] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 68.625959] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 68.646474] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 68.648875] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 68.665394] Bluetooth: hci3: HCI_REQ-0x0c1a [ 68.674588] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.676882] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.690509] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.692903] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.694971] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.702123] Bluetooth: hci0: HCI_REQ-0x0c1a [ 68.715054] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 68.717845] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 68.720560] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 68.722607] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 68.726168] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 68.728580] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 68.730415] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 68.732413] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 68.739343] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 68.740944] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 68.743255] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 68.745361] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 68.748784] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 68.751046] Bluetooth: hci7: HCI_REQ-0x0c1a [ 68.754200] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 68.756648] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 68.757918] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 68.764890] Bluetooth: hci2: HCI_REQ-0x0c1a [ 68.777164] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 68.778513] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 68.782247] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 68.784532] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 68.785866] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 68.787613] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 68.790181] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 68.791455] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 68.795495] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 68.800374] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 68.802841] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 68.807015] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 68.808708] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 68.808724] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 68.812777] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 68.814629] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 68.816629] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 68.824056] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 68.827021] Bluetooth: hci4: HCI_REQ-0x0c1a [ 68.829751] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 68.833625] Bluetooth: hci6: HCI_REQ-0x0c1a [ 68.839375] Bluetooth: hci5: HCI_REQ-0x0c1a [ 68.843619] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 68.859420] Bluetooth: hci1: HCI_REQ-0x0c1a [ 70.735763] Bluetooth: hci0: command 0x0409 tx timeout [ 70.737351] Bluetooth: hci3: command 0x0409 tx timeout [ 70.798762] Bluetooth: hci7: command 0x0409 tx timeout [ 70.800080] Bluetooth: hci2: command 0x0409 tx timeout [ 70.862394] Bluetooth: hci6: command 0x0409 tx timeout [ 70.863680] Bluetooth: hci4: command 0x0409 tx timeout [ 70.926420] Bluetooth: hci5: command 0x0409 tx timeout [ 70.927698] Bluetooth: hci1: command 0x0409 tx timeout [ 72.782483] Bluetooth: hci3: command 0x041b tx timeout [ 72.783064] Bluetooth: hci0: command 0x041b tx timeout [ 72.846497] Bluetooth: hci2: command 0x041b tx timeout [ 72.847054] Bluetooth: hci7: command 0x041b tx timeout [ 72.910369] Bluetooth: hci4: command 0x041b tx timeout [ 72.910928] Bluetooth: hci6: command 0x041b tx timeout [ 72.974425] Bluetooth: hci1: command 0x041b tx timeout [ 72.974885] Bluetooth: hci5: command 0x041b tx timeout [ 74.830323] Bluetooth: hci0: command 0x040f tx timeout [ 74.830749] Bluetooth: hci3: command 0x040f tx timeout [ 74.894409] Bluetooth: hci7: command 0x040f tx timeout [ 74.894842] Bluetooth: hci2: command 0x040f tx timeout [ 74.958367] Bluetooth: hci6: command 0x040f tx timeout [ 74.958775] Bluetooth: hci4: command 0x040f tx timeout [ 75.022349] Bluetooth: hci5: command 0x040f tx timeout [ 75.022779] Bluetooth: hci1: command 0x040f tx timeout [ 76.878374] Bluetooth: hci3: command 0x0419 tx timeout [ 76.878864] Bluetooth: hci0: command 0x0419 tx timeout [ 76.942323] Bluetooth: hci2: command 0x0419 tx timeout [ 76.942760] Bluetooth: hci7: command 0x0419 tx timeout [ 77.006371] Bluetooth: hci4: command 0x0419 tx timeout [ 77.006782] Bluetooth: hci6: command 0x0419 tx timeout [ 77.070316] Bluetooth: hci1: command 0x0419 tx timeout [ 77.070744] Bluetooth: hci5: command 0x0419 tx timeout 04:02:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_mtu(r0, 0x29, 0x39, &(0x7f0000000000), 0x4) 04:02:10 executing program 1: semop(0x0, &(0x7f0000002340)=[{}, {0x0, 0x0, 0x1000}], 0x2) 04:02:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_mtu(r0, 0x29, 0x39, &(0x7f0000000000), 0x4) 04:02:10 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x0, &(0x7f0000000700), 0x4) 04:02:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_mtu(r0, 0x29, 0x39, &(0x7f0000000000), 0x4) 04:02:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000003c0)=ANY=[@ANYBLOB="2c0000001100010000000000000000000c0000ee01"], 0x2c}], 0x1}, 0x0) 04:02:11 executing program 4: pidfd_send_signal(0xffffffffffffffff, 0x0, &(0x7f0000000000)={0x0, 0x7}, 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, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) eventfd2(0x0, 0x0) pidfd_send_signal(0xffffffffffffffff, 0x57aa, 0x0, 0x0) r0 = syz_mount_image$vfat(&(0x7f0000000240), &(0x7f00000000c0)='./file0\x00', 0x0, 0x2, &(0x7f0000001300)=[{&(0x7f0000010000)="601c6d6b646f736689254300080120000400004000f8000020004000030000000000000001", 0x25}, {0x0, 0x0, 0x10000}], 0x800010, &(0x7f0000000040)=ANY=[]) r1 = openat(r0, &(0x7f0000000180)='./file0\x00', 0x101042, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x26e1, 0x0) syncfs(r2) write(r1, &(0x7f0000000080)="01", 0xffff8000) [ 125.505427] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. [ 125.522101] audit: type=1400 audit(1664424131.131:7): avc: denied { open } for pid=3841 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.525208] audit: type=1400 audit(1664424131.132:8): avc: denied { kernel } for pid=3841 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.543125] ------------[ cut here ]------------ [ 125.543156] [ 125.543161] ====================================================== [ 125.543168] WARNING: possible circular locking dependency detected [ 125.543175] 6.0.0-rc7-next-20220928 #1 Not tainted [ 125.543186] ------------------------------------------------------ [ 125.543192] syz-executor.4/3845 is trying to acquire lock: [ 125.543204] ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 125.543283] [ 125.543283] but task is already holding lock: [ 125.543288] ffff88800e24e820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.543342] [ 125.543342] which lock already depends on the new lock. [ 125.543342] [ 125.543347] [ 125.543347] the existing dependency chain (in reverse order) is: [ 125.543354] [ 125.543354] -> #3 (&ctx->lock){....}-{2:2}: [ 125.543381] _raw_spin_lock+0x2a/0x40 [ 125.543405] __perf_event_task_sched_out+0x53b/0x18d0 [ 125.543430] __schedule+0xedd/0x2470 [ 125.543462] schedule+0xda/0x1b0 [ 125.543493] futex_wait_queue+0xf5/0x1e0 [ 125.543515] futex_wait+0x28e/0x690 [ 125.543536] do_futex+0x2ff/0x380 [ 125.543554] __x64_sys_futex+0x1c6/0x4d0 [ 125.543574] do_syscall_64+0x3b/0x90 [ 125.543594] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.543622] [ 125.543622] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 125.543648] _raw_spin_lock_nested+0x30/0x40 [ 125.543672] raw_spin_rq_lock_nested+0x1e/0x30 [ 125.543697] task_fork_fair+0x63/0x4d0 [ 125.543731] sched_cgroup_fork+0x3d0/0x540 [ 125.543759] copy_process+0x4183/0x6e20 [ 125.543779] kernel_clone+0xe7/0x890 [ 125.543798] user_mode_thread+0xad/0xf0 [ 125.543818] rest_init+0x24/0x250 [ 125.543845] arch_call_rest_init+0xf/0x14 [ 125.543882] start_kernel+0x4c6/0x4eb [ 125.543916] secondary_startup_64_no_verify+0xe0/0xeb [ 125.543942] [ 125.543942] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 125.543969] _raw_spin_lock_irqsave+0x39/0x60 [ 125.543993] try_to_wake_up+0xab/0x1930 [ 125.544020] up+0x75/0xb0 [ 125.544053] __up_console_sem+0x6e/0x80 [ 125.544084] console_unlock+0x46a/0x590 [ 125.544117] vprintk_emit+0x1bd/0x560 [ 125.544150] vprintk+0x84/0xa0 [ 125.544184] _printk+0xba/0xf1 [ 125.544209] kauditd_hold_skb.cold+0x3f/0x4e [ 125.544247] kauditd_send_queue+0x233/0x290 [ 125.544276] kauditd_thread+0x5da/0x9a0 [ 125.544305] kthread+0x2ed/0x3a0 [ 125.544334] ret_from_fork+0x22/0x30 [ 125.544358] [ 125.544358] -> #0 ((console_sem).lock){....}-{2:2}: [ 125.544385] __lock_acquire+0x2a02/0x5e70 [ 125.544419] lock_acquire+0x1a2/0x530 [ 125.544452] _raw_spin_lock_irqsave+0x39/0x60 [ 125.544476] down_trylock+0xe/0x70 [ 125.544510] __down_trylock_console_sem+0x3b/0xd0 [ 125.544544] vprintk_emit+0x16b/0x560 [ 125.544577] vprintk+0x84/0xa0 [ 125.544610] _printk+0xba/0xf1 [ 125.544634] report_bug.cold+0x72/0xab [ 125.544653] handle_bug+0x3c/0x70 [ 125.544672] exc_invalid_op+0x14/0x50 [ 125.544693] asm_exc_invalid_op+0x16/0x20 [ 125.544720] group_sched_out.part.0+0x2c7/0x460 [ 125.544741] ctx_sched_out+0x8f1/0xc10 [ 125.544761] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.544786] __schedule+0xedd/0x2470 [ 125.544818] schedule+0xda/0x1b0 [ 125.544849] futex_wait_queue+0xf5/0x1e0 [ 125.544870] futex_wait+0x28e/0x690 [ 125.544890] do_futex+0x2ff/0x380 [ 125.544908] __x64_sys_futex+0x1c6/0x4d0 [ 125.544928] do_syscall_64+0x3b/0x90 [ 125.544948] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.544976] [ 125.544976] other info that might help us debug this: [ 125.544976] [ 125.544981] Chain exists of: [ 125.544981] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 125.544981] [ 125.545010] Possible unsafe locking scenario: [ 125.545010] [ 125.545014] CPU0 CPU1 [ 125.545019] ---- ---- [ 125.545023] lock(&ctx->lock); [ 125.545034] lock(&rq->__lock); [ 125.545046] lock(&ctx->lock); [ 125.545059] lock((console_sem).lock); [ 125.545070] [ 125.545070] *** DEADLOCK *** [ 125.545070] [ 125.545073] 2 locks held by syz-executor.4/3845: [ 125.545086] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 125.545149] #1: ffff88800e24e820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.545204] [ 125.545204] stack backtrace: [ 125.545209] CPU: 1 PID: 3845 Comm: syz-executor.4 Not tainted 6.0.0-rc7-next-20220928 #1 [ 125.545233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.545247] Call Trace: [ 125.545253] [ 125.545260] dump_stack_lvl+0x8b/0xb3 [ 125.545283] check_noncircular+0x263/0x2e0 [ 125.545317] ? format_decode+0x26c/0xb50 [ 125.545352] ? print_circular_bug+0x450/0x450 [ 125.545388] ? enable_ptr_key_workfn+0x20/0x20 [ 125.545425] ? format_decode+0x26c/0xb50 [ 125.545464] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 125.545500] __lock_acquire+0x2a02/0x5e70 [ 125.545545] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 125.545591] lock_acquire+0x1a2/0x530 [ 125.545625] ? down_trylock+0xe/0x70 [ 125.545664] ? lock_release+0x750/0x750 [ 125.545707] ? vprintk+0x84/0xa0 [ 125.545744] _raw_spin_lock_irqsave+0x39/0x60 [ 125.545770] ? down_trylock+0xe/0x70 [ 125.545806] down_trylock+0xe/0x70 [ 125.545843] ? vprintk+0x84/0xa0 [ 125.545878] __down_trylock_console_sem+0x3b/0xd0 [ 125.545913] vprintk_emit+0x16b/0x560 [ 125.545953] vprintk+0x84/0xa0 [ 125.545989] _printk+0xba/0xf1 [ 125.546015] ? record_print_text.cold+0x16/0x16 [ 125.546050] ? report_bug.cold+0x66/0xab [ 125.546073] ? group_sched_out.part.0+0x2c7/0x460 [ 125.546096] report_bug.cold+0x72/0xab [ 125.546120] handle_bug+0x3c/0x70 [ 125.546141] exc_invalid_op+0x14/0x50 [ 125.546173] asm_exc_invalid_op+0x16/0x20 [ 125.546202] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.546229] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.546250] RSP: 0018:ffff88803eb678f8 EFLAGS: 00010006 [ 125.546268] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.546282] RDX: ffff88803eb51ac0 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 125.546297] RBP: ffff88802c1e8000 R08: 0000000000000005 R09: 0000000000000001 [ 125.546312] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800e24e800 [ 125.546326] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 125.546348] ? group_sched_out.part.0+0x2c7/0x460 [ 125.546375] ? group_sched_out.part.0+0x2c7/0x460 [ 125.546401] ctx_sched_out+0x8f1/0xc10 [ 125.546427] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.546458] ? lock_is_held_type+0xd7/0x130 [ 125.546490] ? __perf_cgroup_move+0x160/0x160 [ 125.546514] ? set_next_entity+0x304/0x550 [ 125.546555] ? lock_is_held_type+0xd7/0x130 [ 125.546587] __schedule+0xedd/0x2470 [ 125.546625] ? io_schedule_timeout+0x150/0x150 [ 125.546660] ? futex_wait_setup+0x166/0x230 [ 125.546689] schedule+0xda/0x1b0 [ 125.546724] futex_wait_queue+0xf5/0x1e0 [ 125.546749] futex_wait+0x28e/0x690 [ 125.546774] ? futex_wait_setup+0x230/0x230 [ 125.546800] ? wake_up_q+0x8b/0xf0 [ 125.546828] ? do_raw_spin_unlock+0x4f/0x220 [ 125.546868] ? futex_wake+0x158/0x490 [ 125.546900] ? fd_install+0x1f9/0x640 [ 125.546934] do_futex+0x2ff/0x380 [ 125.546956] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 125.546988] __x64_sys_futex+0x1c6/0x4d0 [ 125.547013] ? __x64_sys_futex_time32+0x480/0x480 [ 125.547039] ? syscall_enter_from_user_mode+0x1d/0x50 [ 125.547070] ? syscall_enter_from_user_mode+0x1d/0x50 [ 125.547105] do_syscall_64+0x3b/0x90 [ 125.547127] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.547157] RIP: 0033:0x7f3734a45b19 [ 125.547172] 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 [ 125.547193] RSP: 002b:00007f3731fbb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.547214] RAX: ffffffffffffffda RBX: 00007f3734b58f68 RCX: 00007f3734a45b19 [ 125.547229] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3734b58f68 [ 125.547243] RBP: 00007f3734b58f60 R08: 0000000000000000 R09: 0000000000000000 [ 125.547258] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3734b58f6c [ 125.547272] R13: 00007ffdd832d2bf R14: 00007f3731fbb300 R15: 0000000000022000 [ 125.547297] [ 125.655247] WARNING: CPU: 1 PID: 3845 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 125.656473] Modules linked in: [ 125.656909] CPU: 1 PID: 3845 Comm: syz-executor.4 Not tainted 6.0.0-rc7-next-20220928 #1 [ 125.657991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.659492] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.660229] Code: 5e 41 5f e9 cb a9 ef ff e8 c6 a9 ef ff 65 8b 1d db 12 ac 7e 31 ff 89 de e8 66 a6 ef ff 85 db 0f 84 8a 00 00 00 e8 a9 a9 ef ff <0f> 0b e9 a5 fe ff ff e8 9d a9 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.662655] RSP: 0018:ffff88803eb678f8 EFLAGS: 00010006 [ 125.663373] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.664316] RDX: ffff88803eb51ac0 RSI: ffffffff815662f7 RDI: 0000000000000005 [ 125.665268] RBP: ffff88802c1e8000 R08: 0000000000000005 R09: 0000000000000001 [ 125.666226] R10: 0000000000000000 R11: ffffffff865b405b R12: ffff88800e24e800 [ 125.667182] R13: ffff88806cf3d140 R14: ffffffff8547cf00 R15: 0000000000000002 [ 125.668131] FS: 00007f3731fbb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 125.669205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.669979] CR2: 00007ffe763f7e10 CR3: 000000001d0a6000 CR4: 0000000000350ee0 [ 125.670935] Call Trace: [ 125.671285] [ 125.671600] ctx_sched_out+0x8f1/0xc10 [ 125.672129] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.672824] ? lock_is_held_type+0xd7/0x130 [ 125.673414] ? __perf_cgroup_move+0x160/0x160 [ 125.674024] ? set_next_entity+0x304/0x550 [ 125.674612] ? lock_is_held_type+0xd7/0x130 [ 125.675205] __schedule+0xedd/0x2470 [ 125.675734] ? io_schedule_timeout+0x150/0x150 [ 125.676364] ? futex_wait_setup+0x166/0x230 [ 125.676948] schedule+0xda/0x1b0 [ 125.677427] futex_wait_queue+0xf5/0x1e0 [ 125.677990] futex_wait+0x28e/0x690 [ 125.678513] ? futex_wait_setup+0x230/0x230 [ 125.679098] ? wake_up_q+0x8b/0xf0 [ 125.679592] ? do_raw_spin_unlock+0x4f/0x220 [ 125.680204] ? futex_wake+0x158/0x490 [ 125.680723] ? fd_install+0x1f9/0x640 [ 125.681256] do_futex+0x2ff/0x380 [ 125.681727] ? __ia32_compat_sys_get_robust_list+0x3b0/0x3b0 [ 125.682503] __x64_sys_futex+0x1c6/0x4d0 [ 125.683064] ? __x64_sys_futex_time32+0x480/0x480 [ 125.683711] ? syscall_enter_from_user_mode+0x1d/0x50 [ 125.684410] ? syscall_enter_from_user_mode+0x1d/0x50 [ 125.685105] do_syscall_64+0x3b/0x90 [ 125.685615] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.686324] RIP: 0033:0x7f3734a45b19 [ 125.686829] 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 [ 125.689193] RSP: 002b:00007f3731fbb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.690208] RAX: ffffffffffffffda RBX: 00007f3734b58f68 RCX: 00007f3734a45b19 [ 125.691142] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3734b58f68 [ 125.692085] RBP: 00007f3734b58f60 R08: 0000000000000000 R09: 0000000000000000 [ 125.693021] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3734b58f6c [ 125.693973] R13: 00007ffdd832d2bf R14: 00007f3731fbb300 R15: 0000000000022000 [ 125.694915] [ 125.695243] irq event stamp: 700 [ 125.695693] hardirqs last enabled at (699): [] syscall_enter_from_user_mode+0x1d/0x50 [ 125.696938] hardirqs last disabled at (700): [] __schedule+0x1225/0x2470 [ 125.698023] softirqs last enabled at (526): [] __irq_exit_rcu+0x11b/0x180 [ 125.699166] softirqs last disabled at (519): [] __irq_exit_rcu+0x11b/0x180 [ 125.700289] ---[ end trace 0000000000000000 ]--- 04:02:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)=[{&(0x7f00000003c0)=ANY=[@ANYBLOB="2c0000001100010000000000000000000c0000ee01"], 0x2c}], 0x1}, 0x0) [ 125.751085] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. [ 125.863251] loop4: detected capacity change from 0 to 256 [ 125.867721] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 126.125160] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 129.764826] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 129.765592] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 129.766240] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 129.768251] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 129.769704] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 129.771221] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 129.773210] Bluetooth: hci6: HCI_REQ-0x0c1a [ 131.790311] Bluetooth: hci6: command 0x0409 tx timeout [ 131.791368] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 133.838346] Bluetooth: hci6: command 0x041b tx timeout VM DIAGNOSIS: 04:02:11 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806cf3d460 RCX=0000000000000000 RDX=ffff88803e681ac0 RSI=ffffffff813bbb37 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88803eb47958 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000003 R13=ffffed100d9e7a8d R14=ffff88806cf3d468 R15=0000000000000001 RIP=ffffffff813bbb39 RFL=00000293 [--S-A-C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 000055555677b400 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=00007f3734b51870 CR3=000000001d0a6000 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 ff00000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 0100ff0000000000 0000000000000000 YMM02=0000000000000000 0000000000000000 7463656a6e695f31 313230385f7a7973 YMM03=0000000000000000 0000000000000000 00007f3734b2c7c8 00007f3734b2c7c0 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=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff823ba131 RDI=ffffffff8765a980 RBP=ffffffff8765a940 RSP=ffff88803eb67340 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 R13=ffffffff8765a940 R14=0000000000000010 R15=ffffffff823ba120 RIP=ffffffff823ba189 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 00007f3731fbb700 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=00007ffe763f7e10 CR3=000000001d0a6000 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 00007f3734b2c7c0 00007f3734b2c7c8 YMM02=0000000000000000 0000000000000000 00007f3734b2c7e0 00007f3734b2c7c0 YMM03=0000000000000000 0000000000000000 00007f3734b2c7c8 00007f3734b2c7c0 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