ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1557731227 <...> Warning: Permanently added '10.128.0.208' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor1557731227", ["ci2-android-5-10/syz-executor1557731227"], 0x7ffdad506bd0 /* 10 vars */) = 0 brk(NULL) = 0x555559733000 brk(0x555559733d40) = 0x555559733d40 arch_prctl(ARCH_SET_FS, 0x5555597333c0) = 0 set_tid_address(0x555559733690) = 297 set_robust_list(0x5555597336a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-10/syz-executor1557731227", 4096) = 45 getrandom("\x85\xa3\x24\xbf\x54\x6f\xf3\xb6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559733d40 brk(0x555559754d40) = 0x555559754d40 brk(0x555559755000) = 0x555559755000 mprotect(0x7f92b5913000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555559733690) = 298 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x5555597336a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 executing program [pid 298] write(1, "executing program\n", 18) = 18 [pid 298] mkdirat(AT_FDCWD, "./sys", 0777) = 0 [pid 298] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 298] ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [ 23.902781][ T24] audit: type=1400 audit(1791647276.960:64): avc: denied { execmem } for pid=297 comm="syz-executor155" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.922213][ T24] audit: type=1400 audit(1791647276.960:65): avc: denied { read write } for pid=298 comm="syz-executor155" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.946060][ T24] audit: type=1400 audit(1791647276.960:66): avc: denied { open } for pid=298 comm="syz-executor155" path="/dev/raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.969901][ T24] audit: type=1400 audit(1791647276.960:67): avc: denied { ioctl } for pid=298 comm="syz-executor155" path="/dev/raw-gadget" dev="devtmpfs" ino=253 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 18 [ 24.170528][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 18 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 9 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 217 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 4 [ 24.530548][ T25] usb 1-1: config 1 has an invalid descriptor of length 81, skipping remainder of the config [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 8 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 8 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffdf16eccb0) = 8 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0x32) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffdf16eccb0) = 0 [ 24.700575][ T25] usb 1-1: New USB device found, idVendor=0582, idProduct=0582, bcdDevice= 0.40 [ 24.709761][ T25] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 24.717756][ T25] usb 1-1: Product: syz [ 24.721910][ T25] usb 1-1: Manufacturer: syz [ 24.726469][ T25] usb 1-1: SerialNumber: syz [pid 298] mount(NULL, "./sys", "sysfs", 0, NULL) = 0 [pid 298] openat(AT_FDCWD, "./sys/bus/usb/drivers_autoprobe", O_WRONLY) = 4 [pid 298] write(4, "0", 1) = 1 [pid 298] exit_group(0) = ? [pid 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555559733690) = 301 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x5555597336a0, 24) = 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 executing program [pid 301] close(3) = 0 [pid 301] write(1, "executing program\n", 18) = 18 [pid 301] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists) [pid 301] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 301] ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffdf16edcc0) = 0 [pid 301] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 301] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffdf16edcc0) = 0 [ 24.971419][ T24] audit: type=1400 audit(1791647278.030:68): avc: denied { mounton } for pid=298 comm="syz-executor155" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.994178][ T24] audit: type=1400 audit(1791647278.030:69): avc: denied { mount } for pid=298 comm="syz-executor155" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 25.050605][ T25] usb 1-1: 1:1 : invalid UAC_FORMAT_TYPE desc [ 25.070541][ T25] usb 1-1: 2:1 : no or invalid class specific endpoint descriptor [ 25.078389][ T25] usb 1-1: 2:1 : unsupported format bits 0x2020000 [ 25.102561][ T25] usb 1-1: USB disconnect, device number 2 [ 25.109984][ T25] general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN [ 25.121687][ T25] KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] [ 25.130084][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted syzkaller #0 [ 25.137360][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.147420][ T25] Workqueue: usb_hub_wq hub_event [ 25.152427][ T25] RIP: 0010:klist_remove+0x150/0x300 [ 25.157694][ T25] Code: 28 02 49 89 df 49 c1 ef 03 43 80 3c 27 00 74 08 48 89 df e8 22 62 45 ff 4c 8b 33 49 83 e6 fe 49 8d 7e 20 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 04 62 45 ff 49 8b 46 20 48 89 44 24 18 4c [ 25.177300][ T25] RSP: 0018:ffffc900001af6a0 EFLAGS: 00010202 [ 25.183343][ T25] RAX: 0000000000000004 RBX: ffff888106dec248 RCX: 0000000000000000 [ 25.191293][ T25] RDX: 0000000000000000 RSI: ffffffff8676fdc0 RDI: 0000000000000020 [ 25.199242][ T25] RBP: ffffc900001af798 R08: 0000000000000003 R09: 0000000000000004 [ 25.207189][ T25] R10: dffffc0000000000 R11: fffff52000035ec4 R12: dffffc0000000000 [ 25.215139][ T25] R13: 1ffff92000035ed8 R14: 0000000000000000 R15: 1ffff11020dbd849 [ 25.223094][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.232002][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.238573][ T25] CR2: 0000561285f12c80 CR3: 000000010ddb2000 CR4: 00000000003506a0 [ 25.246525][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.254472][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.262418][ T25] Call Trace: [ 25.265688][ T25] ? __kasan_check_write+0x14/0x20 [ 25.270795][ T25] ? mutex_lock+0x92/0xf0 [ 25.275098][ T25] ? klist_del+0x100/0x100 [ 25.279487][ T25] ? __kasan_check_write+0x14/0x20 [ 25.284573][ T25] ? mutex_unlock+0x1c/0x40 [ 25.289052][ T25] ? device_links_driver_cleanup+0x7f2/0x820 [ 25.295007][ T25] ? pm_runtime_reinit+0xd3/0x250 [ 25.300005][ T25] device_release_driver_internal+0x67e/0x7c0 [ 25.306049][ T25] device_release_driver+0x19/0x20 [ 25.311139][ T25] bus_remove_device+0x2df/0x340 [ 25.316083][ T25] device_del+0x62e/0xe60 [ 25.320392][ T25] ? kill_device+0xd0/0xd0 [ 25.324801][ T25] ? __kasan_check_write+0x14/0x20 [ 25.329886][ T25] usb_disable_device+0x3a8/0x750 [ 25.334887][ T25] usb_disconnect+0x32d/0x870 [ 25.339536][ T25] hub_event+0x19c2/0x4220 [ 25.343928][ T25] ? usb_autopm_get_interface_no_resume+0x90/0x90 [ 25.350315][ T25] ? hub_post_resume+0x120/0x120 [ 25.355226][ T25] ? __kasan_check_read+0x11/0x20 [ 25.360221][ T25] ? read_word_at_a_time+0x12/0x20 [ 25.365325][ T25] ? strscpy+0x9b/0x290 [ 25.369452][ T25] process_one_work+0x6fd/0xbc0 [ 25.374276][ T25] worker_thread+0xd1c/0x13c0 [ 25.378929][ T25] kthread+0x324/0x3b0 [ 25.382969][ T25] ? worker_clr_flags+0x190/0x190 [ 25.387967][ T25] ? kthread_blkcg+0xd0/0xd0 [ 25.392528][ T25] ret_from_fork+0x1f/0x30 [ 25.396912][ T25] Modules linked in: [ 25.400948][ T25] ---[ end trace 63a03c35b894262b ]--- [ 25.407122][ T24] audit: type=1400 audit(1791647278.460:70): avc: denied { read } for pid=76 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 25.408478][ T25] RIP: 0010:klist_remove+0x150/0x300 [ 25.432349][ T24] audit: type=1400 audit(1791647278.460:71): avc: denied { search } for pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.435735][ T25] Code: 28 02 49 89 df 49 c1 ef 03 43 80 3c 27 00 74 08 48 89 df e8 22 62 45 ff 4c 8b 33 49 83 e6 fe 49 8d 7e 20 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 04 62 45 ff 49 8b 46 20 48 89 44 24 18 4c [ 25.455546][ T24] audit: type=1400 audit(1791647278.460:72): avc: denied { write } for pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.475112][ T25] RSP: 0018:ffffc900001af6a0 EFLAGS: 00010202 [ 25.502400][ T25] RAX: 0000000000000004 RBX: ffff888106dec248 RCX: 0000000000000000 [ 25.510372][ T25] RDX: 0000000000000000 RSI: ffffffff8676fdc0 RDI: 0000000000000020 [ 25.518489][ T25] RBP: ffffc900001af798 R08: 0000000000000003 R09: 0000000000000004 [ 25.526472][ T24] audit: type=1400 audit(1791647278.460:73): avc: denied { add_name } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.526549][ T25] R10: dffffc0000000000 R11: fffff52000035ec4 R12: dffffc0000000000 [ 25.554972][ T25] R13: 1ffff92000035ed8 R14: 0000000000000000 R15: 1ffff11020dbd849 [ 25.562959][ T25] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.571895][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.578582][ T25] CR2: 00007fff279bb438 CR3: 000000010d6f3000 CR4: 00000000003506a0 [ 25.586564][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.594561][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.602539][ T25] Kernel panic - not syncing: Fatal exception [ 25.608781][ T25] Kernel Offset: disabled [ 25.613100][ T25] Rebooting in 86400 seconds..