./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1674793456 <...> Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts. execve("./syz-executor1674793456", ["./syz-executor1674793456"], 0x7ffe761bb390 /* 10 vars */) = 0 brk(NULL) = 0x555564d0b000 brk(0x555564d0bd00) = 0x555564d0bd00 arch_prctl(ARCH_SET_FS, 0x555564d0b380) = 0 set_tid_address(0x555564d0b650) = 290 set_robust_list(0x555564d0b660, 24) = 0 rseq(0x555564d0bca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1674793456", 4096) = 28 getrandom("\xc8\x7f\x0f\x27\x12\xde\xb4\x65", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564d0bd00 brk(0x555564d2cd00) = 0x555564d2cd00 brk(0x555564d2d000) = 0x555564d2d000 mprotect(0x7ff7af960000, 16384, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 292 executing program ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x555564d0b660, 24) = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3) = 0 [pid 292] write(1, "executing program\n", 18) = 18 [pid 292] memfd_create("syzkaller", 0) = 3 [pid 292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 292] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 23.880616][ T28] audit: type=1400 audit(1750016902.439:64): avc: denied { execmem } for pid=290 comm="syz-executor167" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.900439][ T28] audit: type=1400 audit(1750016902.439:65): avc: denied { read write } for pid=290 comm="syz-executor167" name="loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.918757][ T292] loop0: detected capacity change from 0 to 2048 [pid 292] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 292] close(3) = 0 [pid 292] close(4) = 0 [pid 292] mkdir("./file0", 0777) = 0 [ 23.926906][ T28] audit: type=1400 audit(1750016902.439:66): avc: denied { open } for pid=290 comm="syz-executor167" path="/dev/loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 292] mount("/dev/loop0", "./file0", "ext4", MS_SYNCHRONOUS|MS_POSIXACL, "nobarrier,grpjquota=,,errors=continue") = 0 [pid 292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 292] chdir("./file0") = 0 [pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 292] ioctl(4, LOOP_CLR_FD) = 0 [pid 292] close(4) = 0 [pid 292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 292] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 4 [pid 292] ioctl(4, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [ 23.955897][ T28] audit: type=1400 audit(1750016902.439:67): avc: denied { ioctl } for pid=290 comm="syz-executor167" path="/dev/loop0" dev="devtmpfs" ino=118 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.968584][ T292] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 23.981924][ T28] audit: type=1400 audit(1750016902.519:68): avc: denied { mounton } for pid=292 comm="syz-executor167" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.013346][ T28] audit: type=1400 audit(1750016902.559:69): avc: denied { mount } for pid=292 comm="syz-executor167" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.035417][ T28] audit: type=1400 audit(1750016902.569:70): avc: denied { bpf } for pid=292 comm="syz-executor167" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 24.056260][ T28] audit: type=1400 audit(1750016902.569:71): avc: denied { read write } for pid=292 comm="syz-executor167" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.079948][ T28] audit: type=1400 audit(1750016902.569:72): avc: denied { open } for pid=292 comm="syz-executor167" path="/dev/raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.104025][ T28] audit: type=1400 audit(1750016902.569:73): avc: denied { ioctl } for pid=292 comm="syz-executor167" path="/dev/raw-gadget" dev="devtmpfs" ino=258 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 24.276279][ T19] usb 1-1: new high-speed USB device number 2 using dummy_hcd [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 9 [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [ 24.456162][ T19] usb 1-1: Using ep0 maxpacket: 32 [ 24.463291][ T19] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 24.474297][ T19] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 24.484087][ T19] usb 1-1: New USB device found, idVendor=046d, idProduct=c31c, bcdDevice= 0.40 [ 24.493154][ T19] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [pid 292] ioctl(4, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 292] ioctl(4, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 292] ioctl(4, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [ 24.502172][ T19] usb 1-1: config 0 descriptor?? [ 24.508930][ T19] hub 1-1:0.0: USB hub found [pid 292] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 5 [pid 292] write(5, "0x0000000000000700", 18) = 18 [pid 292] exit_group(0) = ? [pid 292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555564d0b660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18executing program ) = 18 [pid 299] memfd_create("syzkaller", 0) = 3 [pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 299] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 299] ioctl(4, LOOP_CLR_FD) = 0 [pid 299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 299] close(4) = 0 [pid 299] close(3) = 0 [pid 299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 299] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 299] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 299] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [ 24.720404][ T19] hub 1-1:0.0: config failed, can't read hub descriptor (err -22) [ 24.737440][ T19] usbhid 1-1:0.0: can't add hid device: -71 [ 24.748406][ T19] usbhid: probe of 1-1:0.0 failed with error -71 [pid 299] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 24.956505][ T19] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 299] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 299] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 299] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 299] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 299] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 299] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 299] write(4, "0x0000000000000700", 18) = 18 [pid 299] exit_group(0) = ? [pid 299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 302 ./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x555564d0b660, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18executing program ) = 18 [pid 302] memfd_create("syzkaller", 0) = 3 [pid 302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 302] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 302] ioctl(4, LOOP_CLR_FD) = 0 [pid 302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 302] close(4) = 0 [pid 302] close(3) = 0 [pid 302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 302] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 302] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 25.636375][ T19] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 302] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 302] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 302] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 302] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 302] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 302] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 302] write(4, "0x0000000000000700", 18) = 18 [pid 302] exit_group(0) = ? [pid 302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555564d0b650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555564d0b660, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] write(1, "executing program\n", 18) = 18 [pid 303] memfd_create("syzkaller", 0) = 3 [pid 303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 303] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 303] ioctl(4, LOOP_CLR_FD) = 0 [pid 303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 303] close(4) = 0 [pid 303] close(3) = 0 [pid 303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 303] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 303] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 26.316296][ T39] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 303] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 303] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 303] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 303] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 303] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 303] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 303] write(4, "0x0000000000000700", 18) = 18 [pid 303] exit_group(0) = ? [pid 303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555564d0b650) = 304 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555564d0b660, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] write(1, "executing program\n", 18) = 18 [pid 304] memfd_create("syzkaller", 0) = 3 [pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 304] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 304] ioctl(4, LOOP_CLR_FD) = 0 [pid 304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 304] close(4) = 0 [pid 304] close(3) = 0 [pid 304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 304] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 304] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 26.996426][ T19] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 304] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 304] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 304] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 304] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 304] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 304] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 304] write(4, "0x0000000000000700", 18) = 18 [pid 304] exit_group(0) = ? [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x555564d0b660, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] write(1, "executing program\n", 18executing program ) = 18 [pid 305] memfd_create("syzkaller", 0) = 3 [pid 305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 305] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 305] ioctl(4, LOOP_CLR_FD) = 0 [pid 305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 305] close(4) = 0 [pid 305] close(3) = 0 [pid 305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 305] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 305] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 27.676355][ T19] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 305] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 305] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 305] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 305] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 305] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 305] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 305] write(4, "0x0000000000000700", 18) = 18 [pid 305] exit_group(0) = ? [pid 305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 306 ./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x555564d0b660, 24) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] write(1, "executing program\n", 18executing program ) = 18 [pid 306] memfd_create("syzkaller", 0) = 3 [pid 306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 306] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 306] ioctl(4, LOOP_CLR_FD) = 0 [pid 306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 306] close(4) = 0 [pid 306] close(3) = 0 [pid 306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 306] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 306] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 28.356356][ T19] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [pid 306] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [pid 306] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 36 [pid 306] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 306] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7ff7af9666ec) = -1 EINVAL (Invalid argument) [pid 306] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7fff1c1fdc40) = 0 [pid 306] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 4 [pid 306] write(4, "0x0000000000000700", 18) = 18 [pid 306] exit_group(0) = ? [pid 306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564d0b650) = 307 ./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x555564d0b660, 24) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] write(1, "executing program\n", 18executing program ) = 18 [pid 307] memfd_create("syzkaller", 0) = 3 [pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff7a74ad000 [pid 307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 307] munmap(0x7ff7a74ad000, 138412032) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 307] ioctl(4, LOOP_CLR_FD) = 0 [pid 307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 307] close(4) = 0 [pid 307] close(3) = 0 [pid 307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=-1}}, 16) = -1 EBADF (Bad file descriptor) [pid 307] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 307] ioctl(3, USB_RAW_IOCTL_INIT, 0x7fff1c1fec50) = 0 [pid 307] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 307] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [ 28.986268][ T293] ------------[ cut here ]------------ [ 28.991852][ T293] kernel BUG at fs/buffer.c:2714! [ 28.997602][ T293] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 29.003691][ T293] CPU: 1 PID: 293 Comm: kmmpd-loop0 Not tainted 6.1.138-syzkaller-00009-g6246d345f550 #0 [ 29.013501][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 29.023561][ T293] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0 [ 29.028985][ T293] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 88 39 e8 ff e9 b0 fe ff ff e8 6e e1 a3 ff 0f 0b e8 67 e1 a3 ff <0f> 0b e8 60 e1 a3 ff 0f 0b e8 59 e1 a3 ff 0f 0b e8 52 e1 a3 ff 0f [ 29.048604][ T293] RSP: 0018:ffffc90000ed7ca0 EFLAGS: 00010293 [ 29.054682][ T293] RAX: ffffffff81cc0fa9 RBX: 0000000000000000 RCX: ffff888105ab0000 [ 29.062665][ T293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.070747][ T293] RBP: ffffc90000ed7cf0 R08: dffffc0000000000 R09: ffffed1022cf0f51 [ 29.078732][ T293] R10: ffffed1022cf0f51 R11: 1ffff11022cf0f50 R12: 0000000000000000 [ 29.086713][ T293] R13: 1ffff11022cf0f50 R14: ffff888116787a80 R15: 0000000000003801 [ 29.094694][ T293] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 29.103633][ T293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.110223][ T293] CR2: 00007f5648376000 CR3: 000000010f132000 CR4: 00000000003506a0 [ 29.118211][ T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.126194][ T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.134173][ T293] Call Trace: [ 29.137463][ T293] [ 29.140399][ T293] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 29.146232][ T293] submit_bh+0x1f/0x30 [ 29.150312][ T293] write_mmp_block_thawed+0x34a/0x4c0 [ 29.155697][ T293] ? read_mmp_block+0x6d0/0x6d0 [ 29.160556][ T293] ? __cfi_process_timeout+0x10/0x10 [ 29.165866][ T293] write_mmp_block+0x138/0x2b0 [ 29.170642][ T293] kmmpd+0x3ce/0x950 [ 29.174575][ T293] kthread+0x281/0x320 [ 29.178654][ T293] ? __cfi_kmmpd+0x10/0x10 [pid 307] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7fff1c1fec50) = 0 [pid 307] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7fff1c1fdc40) = 18 [ 29.183249][ T293] ? __cfi_kthread+0x10/0x10 [ 29.187868][ T293] ret_from_fork+0x1f/0x30 [ 29.192317][ T293] [ 29.195361][ T293] Modules linked in: [ 29.200156][ T39] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 29.209117][ T293] ---[ end trace 0000000000000000 ]--- [ 29.214624][ T293] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0 [ 29.220805][ T293] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 88 39 e8 ff e9 b0 fe ff ff e8 6e e1 a3 ff 0f 0b e8 67 e1 a3 ff <0f> 0b e8 60 e1 a3 ff 0f 0b e8 59 e1 a3 ff 0f 0b e8 52 e1 a3 ff 0f [ 29.240975][ T293] RSP: 0018:ffffc90000ed7ca0 EFLAGS: 00010293 [ 29.247210][ T293] RAX: ffffffff81cc0fa9 RBX: 0000000000000000 RCX: ffff888105ab0000 [ 29.255341][ T293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.263508][ T293] RBP: ffffc90000ed7cf0 R08: dffffc0000000000 R09: ffffed1022cf0f51 [ 29.271734][ T293] R10: ffffed1022cf0f51 R11: 1ffff11022cf0f50 R12: 0000000000000000 [ 29.279830][ T293] R13: 1ffff11022cf0f50 R14: ffff888116787a80 R15: 0000000000003801 [ 29.288054][ T293] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 29.297247][ T293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.304040][ T293] CR2: 00007f5648376000 CR3: 000000010f132000 CR4: 00000000003506a0 [ 29.312225][ T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.320458][ T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.328564][ T293] Kernel panic - not syncing: Fatal exception [ 29.334977][ T293] Kernel Offset: disabled [ 29.339296][ T293] Rebooting in 86400 seconds..