Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:58286' (ECDSA) to the list of known hosts. 2022/09/12 16:34:13 fuzzer started 2022/09/12 16:34:14 dialing manager at localhost:38027 syzkaller login: [ 36.136589] cgroup: Unknown subsys name 'net' [ 36.252666] cgroup: Unknown subsys name 'rlimit' 2022/09/12 16:34:28 syscalls: 2215 2022/09/12 16:34:28 code coverage: enabled 2022/09/12 16:34:28 comparison tracing: enabled 2022/09/12 16:34:28 extra coverage: enabled 2022/09/12 16:34:28 setuid sandbox: enabled 2022/09/12 16:34:28 namespace sandbox: enabled 2022/09/12 16:34:28 Android sandbox: enabled 2022/09/12 16:34:28 fault injection: enabled 2022/09/12 16:34:28 leak checking: enabled 2022/09/12 16:34:28 net packet injection: enabled 2022/09/12 16:34:28 net device setup: enabled 2022/09/12 16:34:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/12 16:34:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/12 16:34:28 USB emulation: enabled 2022/09/12 16:34:28 hci packet injection: enabled 2022/09/12 16:34:28 wifi device emulation: failed to parse kernel version (6.0.0-rc5-next-20220912) 2022/09/12 16:34:28 802.15.4 emulation: enabled 2022/09/12 16:34:28 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/12 16:34:28 fetching corpus: 50, signal 27899/31417 (executing program) 2022/09/12 16:34:28 fetching corpus: 100, signal 43725/48632 (executing program) 2022/09/12 16:34:28 fetching corpus: 150, signal 53303/59475 (executing program) 2022/09/12 16:34:28 fetching corpus: 200, signal 67233/74349 (executing program) 2022/09/12 16:34:28 fetching corpus: 250, signal 73079/81382 (executing program) 2022/09/12 16:34:28 fetching corpus: 300, signal 78606/88005 (executing program) 2022/09/12 16:34:29 fetching corpus: 350, signal 83738/94137 (executing program) 2022/09/12 16:34:29 fetching corpus: 400, signal 89130/100436 (executing program) 2022/09/12 16:34:29 fetching corpus: 450, signal 92853/105123 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signal 235287/245241 (executing program) 2022/09/12 16:34:48 starting 8 fuzzer processes 16:34:48 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mq_timedreceive(0xffffffffffffffff, 0x0, 0x0, 0x4, 0x0) 16:34:48 executing program 1: pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000100)=[{&(0x7f0000000140)="84", 0x20000141}], 0x1, 0x0) readv(r0, &(0x7f0000001400)=[{&(0x7f00000002c0)=""/4096, 0xec0}], 0x1) 16:34:48 executing program 2: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x77, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff, 0x0) semctl$SETALL(0x0, 0x0, 0x11, &(0x7f0000000000)) 16:34:48 executing program 3: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r0) sync() 16:34:48 executing program 4: sendmsg$NL80211_CMD_DEL_MPATH(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, 0x0}, 0x0) socketpair(0x11, 0xa, 0x1000, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r0, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x24, 0x0, 0x4, 0x70bd25, 0x25dfdbfd, {{}, {@void, @val={0x8}, @void}}, [@NL80211_ATTR_PID={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x80084c0) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000500)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_MAC_ACL(r1, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x9cf6984bece54c81}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x34, 0x0, 0x4, 0x70bd25, 0x25dfdbff, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_ACL_POLICY={0x8}, @NL80211_ATTR_ACL_POLICY={0x8, 0xa5, 0x1}, @NL80211_ATTR_ACL_POLICY={0x8, 0xa5, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000800) socket$inet_tcp(0x2, 0x1, 0x0) 16:34:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, 0x0) [ 70.238312] audit: type=1400 audit(1663000488.366:6): avc: denied { execmem } for pid=288 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 16:34:48 executing program 7: mlock2(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x0) mlock2(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0) 16:34:48 executing program 6: syz_mount_image$vfat(0x0, 0x0, 0x0, 0x0, &(0x7f0000000200), 0x0, 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, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$vfat(&(0x7f0000000000), 0x0, 0x0, 0x0, &(0x7f0000000380), 0x200480c, 0x0) [ 71.481029] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.483567] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 71.484819] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.486596] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 71.488114] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 71.491359] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 71.493547] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 71.494931] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 71.500100] Bluetooth: hci1: HCI_REQ-0x0c1a [ 71.525036] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.534490] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.538817] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.544916] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.555239] Bluetooth: hci0: HCI_REQ-0x0c1a [ 71.672809] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 71.674367] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 71.676208] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 71.679275] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 71.680322] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 71.681473] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 71.684769] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 71.685842] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 71.686986] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 71.693051] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 71.694638] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 71.697227] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 71.698596] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 71.700984] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 71.702793] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 71.704963] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 71.706767] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 71.711251] Bluetooth: hci7: HCI_REQ-0x0c1a [ 71.713427] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 71.721893] Bluetooth: hci2: HCI_REQ-0x0c1a [ 71.727354] Bluetooth: hci5: HCI_REQ-0x0c1a [ 71.747348] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 71.749285] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 71.750933] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 71.754191] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 71.756101] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 71.757664] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 71.765656] Bluetooth: hci4: HCI_REQ-0x0c1a [ 73.564051] Bluetooth: hci1: command 0x0409 tx timeout [ 73.627593] Bluetooth: hci6: Opcode 0x c03 failed: -110 [ 73.627836] Bluetooth: hci0: command 0x0409 tx timeout [ 73.628642] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 73.755610] Bluetooth: hci5: command 0x0409 tx timeout [ 73.756911] Bluetooth: hci2: command 0x0409 tx timeout [ 73.757368] Bluetooth: hci7: command 0x0409 tx timeout [ 73.819771] Bluetooth: hci4: command 0x0409 tx timeout [ 75.612577] Bluetooth: hci1: command 0x041b tx timeout [ 75.675617] Bluetooth: hci0: command 0x041b tx timeout [ 75.803616] Bluetooth: hci7: command 0x041b tx timeout [ 75.804427] Bluetooth: hci2: command 0x041b tx timeout [ 75.805844] Bluetooth: hci5: command 0x041b tx timeout [ 75.867680] Bluetooth: hci4: command 0x041b tx timeout [ 77.344928] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 77.347091] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 77.348981] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 77.357668] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 77.364953] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 77.366163] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 77.370495] Bluetooth: hci6: HCI_REQ-0x0c1a [ 77.659584] Bluetooth: hci1: command 0x040f tx timeout [ 77.723651] Bluetooth: hci0: command 0x040f tx timeout [ 77.851606] Bluetooth: hci5: command 0x040f tx timeout [ 77.852451] Bluetooth: hci2: command 0x040f tx timeout [ 77.854090] Bluetooth: hci7: command 0x040f tx timeout [ 77.915590] Bluetooth: hci4: command 0x040f tx timeout [ 79.195750] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 79.387718] Bluetooth: hci6: command 0x0409 tx timeout [ 79.707695] Bluetooth: hci1: command 0x0419 tx timeout [ 79.771726] Bluetooth: hci0: command 0x0419 tx timeout [ 79.899615] Bluetooth: hci7: command 0x0419 tx timeout [ 79.900383] Bluetooth: hci2: command 0x0419 tx timeout [ 79.901467] Bluetooth: hci5: command 0x0419 tx timeout [ 79.963672] Bluetooth: hci4: command 0x0419 tx timeout [ 81.435600] Bluetooth: hci6: command 0x041b tx timeout [ 83.483700] Bluetooth: hci6: command 0x040f tx timeout [ 84.187675] Bluetooth: hci3: Opcode 0x c03 failed: -110 [ 85.531576] Bluetooth: hci6: command 0x0419 tx timeout [ 86.915997] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 86.917349] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 86.919256] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 86.922222] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 86.926993] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 86.928388] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 86.935728] Bluetooth: hci3: HCI_REQ-0x0c1a [ 88.987592] Bluetooth: hci3: command 0x0409 tx timeout [ 91.035568] Bluetooth: hci3: command 0x041b tx timeout [ 93.084586] Bluetooth: hci3: command 0x040f tx timeout [ 95.131723] Bluetooth: hci3: command 0x0419 tx timeout 16:35:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, 0x0) 16:35:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, 0x0) 16:35:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x4042, 0x0) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, 0x0) 16:35:46 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x29, 0x0, 0x0, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000280)='devpts\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000100), 0x0, 0x0) openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x14}, 0x18) 16:35:47 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x29, 0x0, 0x0, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000280)='devpts\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000100), 0x0, 0x0) openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x14}, 0x18) 16:35:47 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x29, 0x0, 0x0, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000280)='devpts\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000100), 0x0, 0x0) openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x14}, 0x18) 16:35:47 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x29, 0x0, 0x0, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000280)='devpts\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000100), 0x0, 0x0) openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x14}, 0x18) 16:35:47 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x29, 0x0, 0x0, 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000280)='devpts\x00', 0x0, 0x0) mount$tmpfs(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000100), 0x0, 0x0) openat2$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x14}, 0x18) [ 129.797809] audit: type=1400 audit(1663000547.925:7): avc: denied { open } for pid=3658 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 129.799914] audit: type=1400 audit(1663000547.925:8): avc: denied { kernel } for pid=3658 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 132.963482] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 132.964587] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 132.965333] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 132.967822] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 132.969198] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 132.970152] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 132.975535] Bluetooth: hci0: HCI_REQ-0x0c1a [ 133.156051] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 133.158240] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 133.159024] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 133.162193] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 133.163286] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 133.164341] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 133.168897] Bluetooth: hci4: HCI_REQ-0x0c1a [ 135.003545] Bluetooth: hci0: command 0x0409 tx timeout [ 135.195619] Bluetooth: hci4: command 0x0409 tx timeout [ 135.195725] Bluetooth: hci7: Opcode 0x c03 failed: -110 [ 137.051587] Bluetooth: hci0: command 0x041b tx timeout [ 137.243566] Bluetooth: hci4: command 0x041b tx timeout [ 137.695665] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 137.697189] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 137.699184] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 137.701839] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 137.703317] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 137.704238] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 137.707218] Bluetooth: hci7: HCI_REQ-0x0c1a [ 137.827065] ------------[ cut here ]------------ [ 137.827098] [ 137.827102] ====================================================== [ 137.827105] WARNING: possible circular locking dependency detected [ 137.827110] 6.0.0-rc5-next-20220912 #1 Not tainted [ 137.827117] ------------------------------------------------------ [ 137.827120] syz-executor.3/4118 is trying to acquire lock: [ 137.827127] ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 137.827167] [ 137.827167] but task is already holding lock: [ 137.827170] ffff888013fc5c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 137.827199] [ 137.827199] which lock already depends on the new lock. [ 137.827199] [ 137.827202] [ 137.827202] the existing dependency chain (in reverse order) is: [ 137.827205] [ 137.827205] -> #3 (&ctx->lock){....}-{2:2}: [ 137.827220] _raw_spin_lock+0x2a/0x40 [ 137.827237] __perf_event_task_sched_out+0x53b/0x18d0 [ 137.827250] __schedule+0xedd/0x2470 [ 137.827260] schedule+0xda/0x1b0 [ 137.827269] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.827290] syscall_exit_to_user_mode+0x19/0x40 [ 137.827308] do_syscall_64+0x48/0x90 [ 137.827322] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.827340] [ 137.827340] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 137.827354] _raw_spin_lock_nested+0x30/0x40 [ 137.827368] raw_spin_rq_lock_nested+0x1e/0x30 [ 137.827382] task_fork_fair+0x63/0x4d0 [ 137.827400] sched_cgroup_fork+0x3d0/0x540 [ 137.827414] copy_process+0x3f9e/0x6df0 [ 137.827425] kernel_clone+0xe7/0x890 [ 137.827435] user_mode_thread+0xad/0xf0 [ 137.827445] rest_init+0x24/0x250 [ 137.827461] arch_call_rest_init+0xf/0x14 [ 137.827481] start_kernel+0x4c1/0x4e6 [ 137.827501] secondary_startup_64_no_verify+0xe0/0xeb [ 137.827516] [ 137.827516] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 137.827530] _raw_spin_lock_irqsave+0x39/0x60 [ 137.827545] try_to_wake_up+0xab/0x1920 [ 137.827558] up+0x75/0xb0 [ 137.827570] __up_console_sem+0x6e/0x80 [ 137.827587] console_unlock+0x46a/0x590 [ 137.827603] vprintk_emit+0x1bd/0x560 [ 137.827620] vprintk+0x84/0xa0 [ 137.827636] _printk+0xba/0xf1 [ 137.827655] kauditd_hold_skb.cold+0x3f/0x4e [ 137.827669] kauditd_send_queue+0x233/0x290 [ 137.827684] kauditd_thread+0x5da/0x9a0 [ 137.827698] kthread+0x2ed/0x3a0 [ 137.827713] ret_from_fork+0x22/0x30 [ 137.827726] [ 137.827726] -> #0 ((console_sem).lock){....}-{2:2}: [ 137.827740] __lock_acquire+0x2a02/0x5e70 [ 137.827756] lock_acquire+0x1a2/0x530 [ 137.827773] _raw_spin_lock_irqsave+0x39/0x60 [ 137.827787] down_trylock+0xe/0x70 [ 137.827800] __down_trylock_console_sem+0x3b/0xd0 [ 137.827816] vprintk_emit+0x16b/0x560 [ 137.827833] vprintk+0x84/0xa0 [ 137.827849] _printk+0xba/0xf1 [ 137.827865] report_bug.cold+0x72/0xab [ 137.827878] handle_bug+0x3c/0x70 [ 137.827890] exc_invalid_op+0x14/0x50 [ 137.827903] asm_exc_invalid_op+0x16/0x20 [ 137.827919] group_sched_out.part.0+0x2c7/0x460 [ 137.827930] ctx_sched_out+0x8f1/0xc10 [ 137.827940] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.827952] __schedule+0xedd/0x2470 [ 137.827961] schedule+0xda/0x1b0 [ 137.827970] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.827990] syscall_exit_to_user_mode+0x19/0x40 [ 137.828006] do_syscall_64+0x48/0x90 [ 137.828019] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.828036] [ 137.828036] other info that might help us debug this: [ 137.828036] [ 137.828039] Chain exists of: [ 137.828039] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 137.828039] [ 137.828054] Possible unsafe locking scenario: [ 137.828054] [ 137.828056] CPU0 CPU1 [ 137.828059] ---- ---- [ 137.828061] lock(&ctx->lock); [ 137.828067] lock(&rq->__lock); [ 137.828073] lock(&ctx->lock); [ 137.828080] lock((console_sem).lock); [ 137.828085] [ 137.828085] *** DEADLOCK *** [ 137.828085] [ 137.828087] 2 locks held by syz-executor.3/4118: [ 137.828094] #0: ffff88806cf37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 137.828119] #1: ffff888013fc5c20 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 137.828147] [ 137.828147] stack backtrace: [ 137.828150] CPU: 1 PID: 4118 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220912 #1 [ 137.828163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 137.828171] Call Trace: [ 137.828175] [ 137.828179] dump_stack_lvl+0x8b/0xb3 [ 137.828194] check_noncircular+0x263/0x2e0 [ 137.828211] ? format_decode+0x26c/0xb50 [ 137.828226] ? print_circular_bug+0x450/0x450 [ 137.828243] ? enable_ptr_key_workfn+0x20/0x20 [ 137.828258] ? format_decode+0x26c/0xb50 [ 137.828273] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 137.828291] __lock_acquire+0x2a02/0x5e70 [ 137.828313] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 137.828336] lock_acquire+0x1a2/0x530 [ 137.828354] ? down_trylock+0xe/0x70 [ 137.828368] ? rcu_read_unlock+0x40/0x40 [ 137.828388] ? __lock_acquire+0x164d/0x5e70 [ 137.828406] ? vprintk+0x84/0xa0 [ 137.828425] _raw_spin_lock_irqsave+0x39/0x60 [ 137.828440] ? down_trylock+0xe/0x70 [ 137.828454] down_trylock+0xe/0x70 [ 137.828467] ? vprintk+0x84/0xa0 [ 137.828485] __down_trylock_console_sem+0x3b/0xd0 [ 137.828502] vprintk_emit+0x16b/0x560 [ 137.828522] vprintk+0x84/0xa0 [ 137.828540] _printk+0xba/0xf1 [ 137.828558] ? record_print_text.cold+0x16/0x16 [ 137.828580] ? report_bug.cold+0x66/0xab [ 137.828594] ? group_sched_out.part.0+0x2c7/0x460 [ 137.828605] report_bug.cold+0x72/0xab [ 137.828620] handle_bug+0x3c/0x70 [ 137.828633] exc_invalid_op+0x14/0x50 [ 137.828648] asm_exc_invalid_op+0x16/0x20 [ 137.828665] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 137.828678] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 137.828690] RSP: 0018:ffff88803455fc48 EFLAGS: 00010006 [ 137.828699] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 137.828707] RDX: ffff88801be85040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 137.828715] RBP: ffff8880356e0b90 R08: 0000000000000005 R09: 0000000000000001 [ 137.828722] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888013fc5c00 [ 137.828730] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 137.828741] ? group_sched_out.part.0+0x2c7/0x460 [ 137.828754] ? group_sched_out.part.0+0x2c7/0x460 [ 137.828767] ctx_sched_out+0x8f1/0xc10 [ 137.828780] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.828795] ? lock_is_held_type+0xd7/0x130 [ 137.828814] ? __perf_cgroup_move+0x160/0x160 [ 137.828826] ? set_next_entity+0x304/0x550 [ 137.828844] ? update_curr+0x267/0x740 [ 137.828863] ? lock_is_held_type+0xd7/0x130 [ 137.828881] __schedule+0xedd/0x2470 [ 137.828894] ? io_schedule_timeout+0x150/0x150 [ 137.828906] ? rcu_read_lock_sched_held+0x3e/0x80 [ 137.828928] schedule+0xda/0x1b0 [ 137.828939] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.828960] syscall_exit_to_user_mode+0x19/0x40 [ 137.828978] do_syscall_64+0x48/0x90 [ 137.828992] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.829009] RIP: 0033:0x7fcad0aa4b19 [ 137.829017] 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 [ 137.829028] RSP: 002b:00007fcace01a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 137.829039] RAX: 0000000000000001 RBX: 00007fcad0bb7f68 RCX: 00007fcad0aa4b19 [ 137.829047] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fcad0bb7f6c [ 137.829054] RBP: 00007fcad0bb7f60 R08: 000000000000000e R09: 0000000000000000 [ 137.829062] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fcad0bb7f6c [ 137.829069] R13: 00007ffe69f1efef R14: 00007fcace01a300 R15: 0000000000022000 [ 137.829082] [ 137.883050] WARNING: CPU: 1 PID: 4118 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 137.883679] Modules linked in: [ 137.883905] CPU: 1 PID: 4118 Comm: syz-executor.3 Not tainted 6.0.0-rc5-next-20220912 #1 [ 137.884450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 137.885202] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 137.885575] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d ab 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 137.886803] RSP: 0018:ffff88803455fc48 EFLAGS: 00010006 [ 137.887161] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 137.887638] RDX: ffff88801be85040 RSI: ffffffff81566027 RDI: 0000000000000005 [ 137.888121] RBP: ffff8880356e0b90 R08: 0000000000000005 R09: 0000000000000001 [ 137.888603] R10: 0000000000000000 R11: ffffffff865aa05b R12: ffff888013fc5c00 [ 137.889084] R13: ffff88806cf3d100 R14: ffffffff8547c660 R15: 0000000000000002 [ 137.889569] FS: 00007fcace01a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 137.890120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.890532] CR2: 00007fa74b564580 CR3: 000000001ec9a000 CR4: 0000000000350ee0 [ 137.891021] Call Trace: [ 137.891208] [ 137.891373] ctx_sched_out+0x8f1/0xc10 [ 137.891647] __perf_event_task_sched_out+0x6d0/0x18d0 [ 137.892006] ? lock_is_held_type+0xd7/0x130 [ 137.892316] ? __perf_cgroup_move+0x160/0x160 [ 137.892634] ? set_next_entity+0x304/0x550 [ 137.892935] ? update_curr+0x267/0x740 [ 137.893213] ? lock_is_held_type+0xd7/0x130 [ 137.893518] __schedule+0xedd/0x2470 [ 137.893782] ? io_schedule_timeout+0x150/0x150 [ 137.894106] ? rcu_read_lock_sched_held+0x3e/0x80 [ 137.894456] schedule+0xda/0x1b0 [ 137.894696] exit_to_user_mode_prepare+0x114/0x1a0 [ 137.895049] syscall_exit_to_user_mode+0x19/0x40 [ 137.895382] do_syscall_64+0x48/0x90 [ 137.895653] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 137.896014] RIP: 0033:0x7fcad0aa4b19 [ 137.896275] 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 [ 137.897493] RSP: 002b:00007fcace01a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 137.898007] RAX: 0000000000000001 RBX: 00007fcad0bb7f68 RCX: 00007fcad0aa4b19 [ 137.898513] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fcad0bb7f6c [ 137.898994] RBP: 00007fcad0bb7f60 R08: 000000000000000e R09: 0000000000000000 [ 137.899476] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fcad0bb7f6c [ 137.899955] R13: 00007ffe69f1efef R14: 00007fcace01a300 R15: 0000000000022000 [ 137.900440] [ 137.900605] irq event stamp: 308 [ 137.900838] hardirqs last enabled at (307): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 137.901473] hardirqs last disabled at (308): [] __schedule+0x1225/0x2470 [ 137.902037] softirqs last enabled at (50): [] __irq_exit_rcu+0x11b/0x180 [ 137.902609] softirqs last disabled at (41): [] __irq_exit_rcu+0x11b/0x180 [ 137.903179] ---[ end trace 0000000000000000 ]--- [ 139.099614] Bluetooth: hci0: command 0x040f tx timeout [ 139.291528] Bluetooth: hci4: command 0x040f tx timeout [ 139.739595] Bluetooth: hci7: command 0x0409 tx timeout [ 141.147566] Bluetooth: hci0: command 0x0419 tx timeout [ 141.339528] Bluetooth: hci4: command 0x0419 tx timeout [ 141.787550] Bluetooth: hci7: command 0x041b tx timeout [ 143.835574] Bluetooth: hci7: command 0x040f tx timeout [ 145.883543] Bluetooth: hci7: command 0x0419 tx timeout VM DIAGNOSIS: 16:35:56 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000255 RCX=ffffffff8169f35f RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=ffff888008abe270 RSP=ffff888039867e68 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000001 R13=00007ffe4b9b4c88 R14=0000000000000200 R15=ffff88801ee0aa00 RIP=ffffffff814613b4 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f6b1c8998c0 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=00007ffe4b9b4c88 CR3=000000003bc78000 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 372f6b636f6c622f 7665642f7379732f YMM01=0000000000000000 0000000000000000 00333a372f6b636f 6c622f7665642f73 YMM02=0000000000000000 0000000000000000 00ff000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 696e656420737365 636341002f737973 YMM04=0000000000000000 0000000000000000 0000555de4aef600 0000555de4b1dd80 YMM05=0000000000000000 0000000000000000 0000000000000005 0000555de4b328b0 YMM06=0000000000000000 0000000000000000 0000555de4b37e70 0000000600000007 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 610064253a64252f 6b636f6c622f7665 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=000000000000006b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b1e41 RDI=ffffffff8763fae0 RBP=ffffffff8763faa0 RSP=ffff88803455f698 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006b R11=0000000000000001 R12=000000000000006b R13=ffffffff8763faa0 R14=0000000000000010 R15=ffffffff822b1e30 RIP=ffffffff822b1e99 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fcace01a700 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=00007fa74b564580 CR3=000000001ec9a000 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 00007fcad0b8b7c0 00007fcad0b8b7c8 YMM02=0000000000000000 0000000000000000 00007fcad0b8b7e0 00007fcad0b8b7c0 YMM03=0000000000000000 0000000000000000 00007fcad0b8b7c8 00007fcad0b8b7c0 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