./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor75328466 <...> [ 92.140941][ T979] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.8' (ED25519) to the list of known hosts. execve("./syz-executor75328466", ["./syz-executor75328466"], 0x7ffccbdfd5f0 /* 10 vars */) = 0 brk(NULL) = 0x5555864d0000 brk(0x5555864d0d00) = 0x5555864d0d00 arch_prctl(ARCH_SET_FS, 0x5555864d0380) = 0 set_tid_address(0x5555864d0650) = 5876 set_robust_list(0x5555864d0660, 24) = 0 rseq(0x5555864d0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor75328466", 4096) = 26 getrandom("\xd3\xae\xfe\x91\x4a\x17\xe5\xa9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555864d0d00 brk(0x5555864f1d00) = 0x5555864f1d00 brk(0x5555864f2000) = 0x5555864f2000 mprotect(0x7f4335969000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 5877 ./strace-static-x86_64: Process 5877 attached [pid 5877] set_robust_list(0x5555864d0660, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] getppid() = 0 [pid 5877] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5877] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5877] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5877] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5877] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5877] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5877] unshare(CLONE_NEWNS) = 0 [pid 5877] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5877] unshare(CLONE_NEWIPC) = 0 [pid 5877] unshare(CLONE_NEWCGROUP) = 0 [pid 5877] unshare(CLONE_NEWUTS) = 0 [pid 5877] unshare(CLONE_SYSVSEM) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "16777216", 8) = 8 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "536870912", 9) = 9 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1024", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "8192", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1024", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1024", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5877] close(3) = 0 [pid 5877] getpid() = 1 [pid 5877] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached [pid 5894] set_robust_list(0x5555864d0660, 24) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5877] <... clone resumed>, child_tidptr=0x5555864d0650) = 3 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5894] write(3, "1000", 4) = 4 [pid 5894] close(3) = 0 [pid 5894] read(200, 0x7fff26c45010, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] write(1, "executing program\n", 18executing program ) = 18 [pid 5894] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5894] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5894] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x42\xcb\x00\x00\x02\x04\xff\x0f", 58) = 58 [pid 5894] close(3) = 0 [pid 5894] close(4) = -1 EBADF (Bad file descriptor) [pid 5894] close(5) = -1 EBADF (Bad file descriptor) [pid 5894] close(6) = -1 EBADF (Bad file descriptor) [pid 5894] close(7) = -1 EBADF (Bad file descriptor) [pid 5894] close(8) = -1 EBADF (Bad file descriptor) [pid 5894] close(9) = -1 EBADF (Bad file descriptor) [pid 5894] close(10) = -1 EBADF (Bad file descriptor) [pid 5894] close(11) = -1 EBADF (Bad file descriptor) [pid 5894] close(12) = -1 EBADF (Bad file descriptor) [pid 5894] close(13) = -1 EBADF (Bad file descriptor) [pid 5894] close(14) = -1 EBADF (Bad file descriptor) [pid 5894] close(15) = -1 EBADF (Bad file descriptor) [pid 5894] close(16) = -1 EBADF (Bad file descriptor) [pid 5894] close(17) = -1 EBADF (Bad file descriptor) [pid 5894] close(18) = -1 EBADF (Bad file descriptor) [pid 5894] close(19) = -1 EBADF (Bad file descriptor) [pid 5894] close(20) = -1 EBADF (Bad file descriptor) [pid 5894] close(21) = -1 EBADF (Bad file descriptor) [pid 5894] close(22) = -1 EBADF (Bad file descriptor) [pid 5894] close(23) = -1 EBADF (Bad file descriptor) [pid 5894] close(24) = -1 EBADF (Bad file descriptor) [pid 5894] close(25) = -1 EBADF (Bad file descriptor) [pid 5894] close(26) = -1 EBADF (Bad file descriptor) [pid 5894] close(27) = -1 EBADF (Bad file descriptor) [pid 5894] close(28) = -1 EBADF (Bad file descriptor) [pid 5894] close(29) = -1 EBADF (Bad file descriptor) [pid 5894] exit_group(0) = ? [pid 5894] +++ exited with 0 +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 119.508096][ C1] sched: DL replenish lagged too much [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 4 ./strace-static-x86_64: Process 5895 attached [pid 5895] set_robust_list(0x5555864d0660, 24) = 0 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5895] write(3, "1000", 4) = 4 [pid 5895] close(3) = 0 [pid 5895] read(200, 0x7fff26c45010, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] write(1, "executing program\n", 18) = 18 [pid 5895] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5895] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5877] kill(-4, SIGKILL) = 0 [pid 5877] kill(4, SIGKILL) = 0 [pid 5895] <... sendmsg resumed>) = ? [pid 5895] +++ killed by SIGKILL +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5877] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 5 executing program ./strace-static-x86_64: Process 5898 attached [pid 5898] set_robust_list(0x5555864d0660, 24) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] write(3, "1000", 4) = 4 [pid 5898] close(3) = 0 [pid 5898] read(200, 0x7fff26c45010, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5898] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5898] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x42\xcb\x00\x00\x02\x04\xff\x0f", 58) = 58 [pid 5898] close(3) = 0 [pid 5898] close(4) = -1 EBADF (Bad file descriptor) [pid 5898] close(5) = -1 EBADF (Bad file descriptor) [pid 5898] close(6) = -1 EBADF (Bad file descriptor) [pid 5898] close(7) = -1 EBADF (Bad file descriptor) [pid 5898] close(8) = -1 EBADF (Bad file descriptor) [pid 5898] close(9) = -1 EBADF (Bad file descriptor) [pid 5898] close(10) = -1 EBADF (Bad file descriptor) [pid 5898] close(11) = -1 EBADF (Bad file descriptor) [pid 5898] close(12) = -1 EBADF (Bad file descriptor) [pid 5898] close(13) = -1 EBADF (Bad file descriptor) [pid 5898] close(14) = -1 EBADF (Bad file descriptor) [pid 5898] close(15) = -1 EBADF (Bad file descriptor) [pid 5898] close(16) = -1 EBADF (Bad file descriptor) [pid 5898] close(17) = -1 EBADF (Bad file descriptor) [pid 5898] close(18) = -1 EBADF (Bad file descriptor) [pid 5898] close(19) = -1 EBADF (Bad file descriptor) [pid 5898] close(20) = -1 EBADF (Bad file descriptor) [pid 5898] close(21) = -1 EBADF (Bad file descriptor) [pid 5898] close(22) = -1 EBADF (Bad file descriptor) [pid 5898] close(23) = -1 EBADF (Bad file descriptor) [pid 5898] close(24) = -1 EBADF (Bad file descriptor) [pid 5898] close(25) = -1 EBADF (Bad file descriptor) [pid 5898] close(26) = -1 EBADF (Bad file descriptor) [pid 5898] close(27) = -1 EBADF (Bad file descriptor) [pid 5898] close(28) = -1 EBADF (Bad file descriptor) [pid 5898] close(29) = -1 EBADF (Bad file descriptor) [pid 5898] exit_group(0) = ? [pid 5898] +++ exited with 0 +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 6 executing program ./strace-static-x86_64: Process 5903 attached [pid 5903] set_robust_list(0x5555864d0660, 24) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] setpgid(0, 0) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 [pid 5903] read(200, 0x7fff26c45010, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] write(1, "executing program\n", 18) = 18 [pid 5903] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5903] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5903] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x00\x06\xba\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\x42\xcb\x00\x00\x02\x04\xff\x0f", 58) = 58 [pid 5903] close(3) = 0 [pid 5903] close(4) = -1 EBADF (Bad file descriptor) [pid 5903] close(5) = -1 EBADF (Bad file descriptor) [pid 5903] close(6) = -1 EBADF (Bad file descriptor) [pid 5903] close(7) = -1 EBADF (Bad file descriptor) [pid 5903] close(8) = -1 EBADF (Bad file descriptor) [pid 5903] close(9) = -1 EBADF (Bad file descriptor) [pid 5903] close(10) = -1 EBADF (Bad file descriptor) [pid 5903] close(11) = -1 EBADF (Bad file descriptor) [pid 5903] close(12) = -1 EBADF (Bad file descriptor) [pid 5903] close(13) = -1 EBADF (Bad file descriptor) [pid 5903] close(14) = -1 EBADF (Bad file descriptor) [pid 5903] close(15) = -1 EBADF (Bad file descriptor) [pid 5903] close(16) = -1 EBADF (Bad file descriptor) [pid 5903] close(17) = -1 EBADF (Bad file descriptor) [pid 5903] close(18) = -1 EBADF (Bad file descriptor) [pid 5903] close(19) = -1 EBADF (Bad file descriptor) [pid 5903] close(20) = -1 EBADF (Bad file descriptor) [pid 5903] close(21) = -1 EBADF (Bad file descriptor) [pid 5903] close(22) = -1 EBADF (Bad file descriptor) [pid 5903] close(23) = -1 EBADF (Bad file descriptor) [pid 5903] close(24) = -1 EBADF (Bad file descriptor) [pid 5903] close(25) = -1 EBADF (Bad file descriptor) [pid 5903] close(26) = -1 EBADF (Bad file descriptor) [pid 5903] close(27) = -1 EBADF (Bad file descriptor) [pid 5903] close(28) = -1 EBADF (Bad file descriptor) [pid 5903] close(29) = -1 EBADF (Bad file descriptor) [pid 5903] exit_group(0) = ? [pid 5903] +++ exited with 0 +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5877] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 7 ./strace-static-x86_64: Process 5906 attached [pid 5906] set_robust_list(0x5555864d0660, 24) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] setpgid(0, 0) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] kill(-7, SIGKILL) = 0 [pid 5877] kill(7, SIGKILL) = 0 [pid 5906] <... openat resumed>) = ? [pid 5906] +++ killed by SIGKILL +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555864d0650) = 8 ./strace-static-x86_64: Process 5909 attached [pid 5909] set_robust_list(0x5555864d0660, 24) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5909] setpgid(0, 0) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] kill(-8, SIGKILL) = 0 [pid 5877] kill(8, SIGKILL) = 0 [pid 5909] <... openat resumed>) = ? [pid 5909] +++ killed by SIGKILL +++ [pid 5877] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 286.716115][ T31] INFO: task kworker/1:1:43 blocked for more than 142 seconds. [ 286.738895][ T31] Not tainted 6.17.0-rc1-syzkaller-00016-g8742b2d8935f #0 [ 286.746680][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 5877] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached [pid 5913] set_robust_list(0x5555864d0660, 24) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5913] setpgid(0, 0) = 0 [ 295.099210][ T31] task:kworker/1:1 state:D stack:26344 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00004000