./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1497705314 <...> syzkaller syzkaller login: [ 17.461620][ T24] kauditd_printk_skb: 47 callbacks suppressed [ 17.461632][ T24] audit: type=1400 audit(1756123569.440:59): avc: denied { transition } for pid=216 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.514120][ T24] audit: type=1400 audit(1756123569.440:60): avc: denied { noatsecure } for pid=216 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.547763][ T24] audit: type=1400 audit(1756123569.440:61): avc: denied { write } for pid=216 comm="sh" path="pipe:[14364]" dev="pipefs" ino=14364 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 17.579951][ T24] audit: type=1400 audit(1756123569.440:62): avc: denied { rlimitinh } for pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.603568][ T24] audit: type=1400 audit(1756123569.440:63): avc: denied { siginh } for pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.230' (ED25519) to the list of known hosts. execve("./syz-executor1497705314", ["./syz-executor1497705314"], 0x7ffea2fc1230 /* 10 vars */) = 0 brk(NULL) = 0x55555b9b1000 brk(0x55555b9b1d40) = 0x55555b9b1d40 arch_prctl(ARCH_SET_FS, 0x55555b9b13c0) = 0 set_tid_address(0x55555b9b1690) = 281 set_robust_list(0x55555b9b16a0, 24) = 0 rseq(0x55555b9b1ce0, 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-executor1497705314", 4096) = 28 getrandom("\x4d\xb5\xea\xbc\x67\xf2\xdc\x00", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b9b1d40 brk(0x55555b9d2d40) = 0x55555b9d2d40 brk(0x55555b9d3000) = 0x55555b9d3000 mprotect(0x7f9902d3c000, 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 mkdir("./syzkaller.0yM3s6", 0700) = 0 chmod("./syzkaller.0yM3s6", 0777) = 0 chdir("./syzkaller.0yM3s6") = 0 mkdir("./0", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b9b1690) = 282 ./strace-static-x86_64: Process 282 attached [pid 282] set_robust_list(0x55555b9b16a0, 24) = 0 [pid 282] chdir("./0") = 0 [pid 282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 282] setpgid(0, 0) = 0 [pid 282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 282] write(3, "1000", 4) = 4 [pid 282] close(3) = 0 [pid 282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 282] write(1, "executing program\n", 18executing program ) = 18 [pid 282] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] rt_sigaction(SIGRT_1, {sa_handler=0x7f9902cdc4c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9902ccd640}, NULL, 8) = 0 [pid 282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c56000 [pid 282] mprotect(0x7f9902c57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c76990, parent_tid=0x7f9902c76990, exit_signal=0, stack=0x7f9902c56000, stack_size=0x20300, tls=0x7f9902c766c0}./strace-static-x86_64: Process 283 attached => {parent_tid=[283]}, 88) = 283 [pid 283] set_robust_list(0x7f9902c769a0, 24) = 0 [pid 283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 283] futex(0x7f9902d423e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 282] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 283] <... futex resumed>) = 0 [pid 282] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 28.576784][ T24] audit: type=1400 audit(1756123580.560:64): avc: denied { execmem } for pid=281 comm="syz-executor149" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 283] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 283] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 282] <... futex resumed>) = 0 [pid 282] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 28.617530][ T24] audit: type=1400 audit(1756123580.600:65): avc: denied { create } for pid=282 comm="syz-executor149" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 283] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 282] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 282] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 282] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c35000 [pid 282] mprotect(0x7f9902c36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c55990, parent_tid=0x7f9902c55990, exit_signal=0, stack=0x7f9902c35000, stack_size=0x20300, tls=0x7f9902c556c0} => {parent_tid=[284]}, 88) = 284 [pid 282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 282] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 284 attached [pid 284] set_robust_list(0x7f9902c559a0, 24) = 0 [pid 284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 284] dup2(4, 3) = 3 [pid 284] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 282] <... futex resumed>) = 0 [pid 282] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... futex resumed>) = 1 [pid 284] setsockopt(4, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 284] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 282] <... futex resumed>) = 0 [pid 282] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 282] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... futex resumed>) = 1 [pid 284] sendmmsg(3, [pid 283] <... sendmsg resumed>) = 132000 [pid 283] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] futex(0x7f9902d423e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}, {iov_base="\xbd\x13\x48\x54\xe7\xd9\x6a\xc0\x31\x1a\x71\xc5\x94\x3d\xf5\x1e\xbe\xb3\x4f\xaf\x77\xc3\x73\x02\x50\xf3\x02\x1a\xb9\x70\x2e\xa8\x52\xbd\x8b\x8b\x3b\x52\x84\x7c\x2c\x75\x39\x4e\x6f\xc1\xbf\x93\x0a\x30\xb0\xbc\xc2\xe7\xb7\x9a\xf4\x8c\xed\x44\x6d\x0f\xdf\x67\xb6\xd5\xe2\x03\x17\x3c\x76\xe1\xc0\x11\xf8\x4f\xff\x22\xa8\x5d\x09\x4f\x02\x4a\x87\x15\xb5\xfa\x71\xc6\xde\xbe\xa2\x59\xad\x5c\x13\x31\x46\xf6"..., iov_len=4096}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], msg_iovlen=7, msg_controllen=0, msg_flags=0}, msg_len=4096}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 9, MSG_OOB|MSG_NOSIGNAL|MSG_BATCH|MSG_FASTOPEN) = 9 [pid 284] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 282] <... futex resumed>) = 0 [pid 282] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... futex resumed>) = 0 [pid 282] <... futex resumed>) = 1 [pid 283] write(-1, NULL, 176 [pid 282] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 283] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 283] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 282] <... futex resumed>) = 0 [pid 283] futex(0x7f9902d423e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 282] exit_group(0 [pid 283] <... futex resumed>) = ? [pid 282] <... exit_group resumed>) = ? [pid 283] +++ exited with 0 +++ [pid 284] <... futex resumed>) = ? [pid 284] +++ exited with 0 +++ [pid 282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>executing program ) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555b9b2730 /* 3 entries */, 32768) = 80 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 getdents64(3, 0x55555b9b2730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b9b1690) = 285 ./strace-static-x86_64: Process 285 attached [pid 285] set_robust_list(0x55555b9b16a0, 24) = 0 [pid 285] chdir("./1") = 0 [pid 285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 285] setpgid(0, 0) = 0 [pid 285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 285] write(3, "1000", 4) = 4 [pid 285] close(3) = 0 [pid 285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 285] write(1, "executing program\n", 18) = 18 [pid 285] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] rt_sigaction(SIGRT_1, {sa_handler=0x7f9902cdc4c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9902ccd640}, NULL, 8) = 0 [pid 285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c56000 [pid 285] mprotect(0x7f9902c57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c76990, parent_tid=0x7f9902c76990, exit_signal=0, stack=0x7f9902c56000, stack_size=0x20300, tls=0x7f9902c766c0} => {parent_tid=[286]}, 88) = 286 [pid 285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 286 attached [pid 286] set_robust_list(0x7f9902c769a0, 24) = 0 [pid 286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 286] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 286] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... futex resumed>) = 0 [pid 285] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... futex resumed>) = 1 [ 28.643931][ T24] audit: type=1400 audit(1756123580.610:66): avc: denied { write } for pid=282 comm="syz-executor149" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 28.680391][ T24] audit: type=1400 audit(1756123580.660:67): avc: denied { setopt } for pid=282 comm="syz-executor149" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 286] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 285] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 285] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c35000 [pid 285] mprotect(0x7f9902c36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c55990, parent_tid=0x7f9902c55990, exit_signal=0, stack=0x7f9902c35000, stack_size=0x20300, tls=0x7f9902c556c0}./strace-static-x86_64: Process 287 attached => {parent_tid=[287]}, 88) = 287 [pid 287] set_robust_list(0x7f9902c559a0, 24 [pid 285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] <... set_robust_list resumed>) = 0 [pid 287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 287] dup2(4, 3) = 3 [pid 287] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] <... futex resumed>) = 0 [pid 285] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] setsockopt(4, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 287] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] <... futex resumed>) = 0 [pid 285] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 287] sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}, {iov_base="\xbd\x13\x48\x54\xe7\xd9\x6a\xc0\x31\x1a\x71\xc5\x94\x3d\xf5\x1e\xbe\xb3\x4f\xaf\x77\xc3\x73\x02\x50\xf3\x02\x1a\xb9\x70\x2e\xa8\x52\xbd\x8b\x8b\x3b\x52\x84\x7c\x2c\x75\x39\x4e\x6f\xc1\xbf\x93\x0a\x30\xb0\xbc\xc2\xe7\xb7\x9a\xf4\x8c\xed\x44\x6d\x0f\xdf\x67\xb6\xd5\xe2\x03\x17\x3c\x76\xe1\xc0\x11\xf8\x4f\xff\x22\xa8\x5d\x09\x4f\x02\x4a\x87\x15\xb5\xfa\x71\xc6\xde\xbe\xa2\x59\xad\x5c\x13\x31\x46\xf6"..., iov_len=4096}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], msg_iovlen=7, msg_controllen=0, msg_flags=0}, msg_len=4096}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 9, MSG_OOB|MSG_NOSIGNAL|MSG_BATCH|MSG_FASTOPEN) = 9 [pid 286] <... sendmsg resumed>) = 132000 [pid 286] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 286] futex(0x7f9902d423e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 287] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] <... futex resumed>) = 0 [pid 285] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 286] <... futex resumed>) = 0 [pid 286] write(-1, NULL, 176) = -1 EBADF (Bad file descriptor) [pid 286] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] <... futex resumed>) = 0 [pid 285] exit_group(0) = ? [pid 286] <... futex resumed>) = ? [pid 286] +++ exited with 0 +++ [pid 287] +++ exited with 0 +++ [pid 285] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555b9b2730 /* 3 entries */, 32768) = 80 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 getdents64(3, 0x55555b9b2730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b9b1690) = 288 ./strace-static-x86_64: Process 288 attached [pid 288] set_robust_list(0x55555b9b16a0, 24) = 0 [pid 288] chdir("./2") = 0 [pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 288] setpgid(0, 0) = 0 [pid 288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 288] write(3, "1000", 4) = 4 [pid 288] close(3) = 0 [pid 288] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 288] write(1, "executing program\n", 18) = 18 [pid 288] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] rt_sigaction(SIGRT_1, {sa_handler=0x7f9902cdc4c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9902ccd640}, NULL, 8) = 0 [pid 288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c56000 [pid 288] mprotect(0x7f9902c57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c76990, parent_tid=0x7f9902c76990, exit_signal=0, stack=0x7f9902c56000, stack_size=0x20300, tls=0x7f9902c766c0} => {parent_tid=[289]}, 88) = 289 [pid 288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 288] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x7f9902c769a0, 24) = 0 [pid 289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 289] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 289] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... futex resumed>) = 0 [pid 288] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 289] <... futex resumed>) = 1 [pid 289] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 288] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c35000 [pid 288] mprotect(0x7f9902c36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c55990, parent_tid=0x7f9902c55990, exit_signal=0, stack=0x7f9902c35000, stack_size=0x20300, tls=0x7f9902c556c0} => {parent_tid=[290]}, 88) = 290 [pid 288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 288] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x7f9902c559a0, 24) = 0 [pid 290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 290] dup2(4, 3) = 3 [pid 290] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... futex resumed>) = 0 [pid 288] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 290] <... futex resumed>) = 1 [pid 290] setsockopt(4, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 290] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... futex resumed>) = 0 [pid 288] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 288] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 290] <... futex resumed>) = 1 [pid 290] sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}, {iov_base="\xbd\x13\x48\x54\xe7\xd9\x6a\xc0\x31\x1a\x71\xc5\x94\x3d\xf5\x1e\xbe\xb3\x4f\xaf\x77\xc3\x73\x02\x50\xf3\x02\x1a\xb9\x70\x2e\xa8\x52\xbd\x8b\x8b\x3b\x52\x84\x7c\x2c\x75\x39\x4e\x6f\xc1\xbf\x93\x0a\x30\xb0\xbc\xc2\xe7\xb7\x9a\xf4\x8c\xed\x44\x6d\x0f\xdf\x67\xb6\xd5\xe2\x03\x17\x3c\x76\xe1\xc0\x11\xf8\x4f\xff\x22\xa8\x5d\x09\x4f\x02\x4a\x87\x15\xb5\xfa\x71\xc6\xde\xbe\xa2\x59\xad\x5c\x13\x31\x46\xf6"..., iov_len=4096}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], msg_iovlen=7, msg_controllen=0, msg_flags=0}, msg_len=4096}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 9, MSG_OOB|MSG_NOSIGNAL|MSG_BATCH|MSG_FASTOPEN) = 9 [pid 289] <... sendmsg resumed>) = 132000 [pid 289] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 289] futex(0x7f9902d423e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 290] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 288] <... futex resumed>) = 0 [pid 288] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 288] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 289] <... futex resumed>) = 0 [pid 289] write(-1, NULL, 176) = -1 EBADF (Bad file descriptor) [pid 289] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 288] <... futex resumed>) = 0 [pid 288] exit_group(0) = ? [pid 290] <... futex resumed>) = ? [pid 289] +++ exited with 0 +++ [pid 290] +++ exited with 0 +++ [pid 288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555b9b2730 /* 3 entries */, 32768) = 80 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 getdents64(3, 0x55555b9b2730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 291 attached , child_tidptr=0x55555b9b1690) = 291 [pid 291] set_robust_list(0x55555b9b16a0, 24) = 0 [pid 291] chdir("./3") = 0 [pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 291] setpgid(0, 0) = 0 [pid 291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 291] write(3, "1000", 4) = 4 [pid 291] close(3) = 0 [pid 291] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 291] write(1, "executing program\n", 18) = 18 [pid 291] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] rt_sigaction(SIGRT_1, {sa_handler=0x7f9902cdc4c0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9902ccd640}, NULL, 8) = 0 [pid 291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c56000 [pid 291] mprotect(0x7f9902c57000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c76990, parent_tid=0x7f9902c76990, exit_signal=0, stack=0x7f9902c56000, stack_size=0x20300, tls=0x7f9902c766c0}./strace-static-x86_64: Process 292 attached => {parent_tid=[292]}, 88) = 292 [pid 292] set_robust_list(0x7f9902c769a0, 24 [pid 291] rt_sigprocmask(SIG_SETMASK, [], [pid 292] <... set_robust_list resumed>) = 0 [pid 291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 292] rt_sigprocmask(SIG_SETMASK, [], [pid 291] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 291] <... futex resumed>) = 0 [pid 292] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 291] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 292] <... socketpair resumed>[3, 4]) = 0 [pid 292] futex(0x7f9902d423ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f9902d423e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 291] <... futex resumed>) = 0 [pid 291] futex(0x7f9902d423ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 291] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9902c35000 [pid 291] mprotect(0x7f9902c36000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9902c55990, parent_tid=0x7f9902c55990, exit_signal=0, stack=0x7f9902c35000, stack_size=0x20300, tls=0x7f9902c556c0}./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x7f9902c559a0, 24 [pid 291] <... clone3 resumed> => {parent_tid=[293]}, 88) = 293 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... set_robust_list resumed>) = 0 [pid 291] <... futex resumed>) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], [pid 291] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 293] dup2(4, 3) = 3 [pid 293] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 291] <... futex resumed>) = 0 [pid 293] setsockopt(4, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 291] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... setsockopt resumed>) = 0 [pid 291] <... futex resumed>) = 0 [pid 293] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 0 [pid 291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] sendmmsg(3, [pid 291] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}, {iov_base="\xbd\x13\x48\x54\xe7\xd9\x6a\xc0\x31\x1a\x71\xc5\x94\x3d\xf5\x1e\xbe\xb3\x4f\xaf\x77\xc3\x73\x02\x50\xf3\x02\x1a\xb9\x70\x2e\xa8\x52\xbd\x8b\x8b\x3b\x52\x84\x7c\x2c\x75\x39\x4e\x6f\xc1\xbf\x93\x0a\x30\xb0\xbc\xc2\xe7\xb7\x9a\xf4\x8c\xed\x44\x6d\x0f\xdf\x67\xb6\xd5\xe2\x03\x17\x3c\x76\xe1\xc0\x11\xf8\x4f\xff\x22\xa8\x5d\x09\x4f\x02\x4a\x87\x15\xb5\xfa\x71\xc6\xde\xbe\xa2\x59\xad\x5c\x13\x31\x46\xf6"..., iov_len=4096}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], msg_iovlen=7, msg_controllen=0, msg_flags=0}, msg_len=4096}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 9, MSG_OOB|MSG_NOSIGNAL|MSG_BATCH|MSG_FASTOPEN) = 9 [pid 291] <... futex resumed>) = 0 [pid 293] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 0 [pid 291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] write(-1, NULL, 176 [pid 291] futex(0x7f9902d423f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 291] <... futex resumed>) = 0 [pid 293] futex(0x7f9902d423fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 291] futex(0x7f9902d423fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 0 [pid 291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 293] futex(0x7f9902d423f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 291] exit_group(0 [pid 293] <... futex resumed>) = ? [pid 291] <... exit_group resumed>) = ? [pid 293] +++ exited with 0 +++ [pid 281] kill(-291, SIGKILL) = 0 [pid 281] kill(291, SIGKILL) = 0 [pid 281] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 281] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 281] getdents64(3, 0x55555b9b2730 /* 2 entries */, 32768) = 48 [pid 281] getdents64(3, 0x55555b9b2730 /* 0 entries */, 32768) = 0 [pid 281] close(3) = 0 [ 128.896242][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 128.907339][ C1] rcu: 1-....: (9999 ticks this GP) idle=c3e/1/0x4000000000000000 softirq=1489/1493 fqs=4995 last_accelerate: 95af/bcbe dyntick_enabled: 1 [ 128.929019][ C1] (t=10000 jiffies g=417 q=10) [ 128.937465][ C1] NMI backtrace for cpu 1 [ 128.945200][ C1] CPU: 1 PID: 292 Comm: syz-executor149 Not tainted 5.10.240-syzkaller #0 [ 128.957866][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 128.970332][ C1] Call Trace: [ 128.974037][ C1] [ 128.977481][ C1] __dump_stack+0x21/0x24 [ 128.982919][ C1] dump_stack_lvl+0x169/0x1d8 [ 128.989563][ C1] ? show_regs_print_info+0x18/0x18 [ 128.996222][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 129.002659][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 129.008407][ C1] ? printk+0xcc/0x110 [ 129.012704][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 129.019686][ C1] dump_stack+0x15/0x1c [ 129.028400][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 129.037004][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 129.043750][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 129.049282][ C1] rcu_sched_clock_irq+0xf79/0x1870 [ 129.055298][ C1] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 129.061215][ C1] ? hrtimer_run_queues+0x166/0x430 [ 129.067994][ C1] update_process_times+0x198/0x200 [ 129.074490][ C1] tick_sched_timer+0x17c/0x240 [ 129.079980][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 129.086467][ C1] __hrtimer_run_queues+0x37a/0x960 [ 129.092315][ C1] ? __kasan_check_write+0x14/0x20 [ 129.098108][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 129.104023][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 129.110629][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 129.116363][ C1] ? do_sync_core+0x22/0x30 [ 129.122050][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 129.128701][ C1] asm_call_irq_on_stack+0xf/0x20 [ 129.134775][ C1] [ 129.138584][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 129.146808][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 129.154188][ C1] RIP: 0010:_raw_spin_lock_bh+0x92/0xe0 [ 129.160665][ C1] Code: 04 65 cc fc c7 44 24 20 00 00 00 00 48 89 df be 04 00 00 00 e8 8f e7 25 fd 4c 89 f7 be 04 00 00 00 e8 82 e7 25 fd 8b 44 24 20 01 00 00 00 f0 0f b1 0b 75 2d 48 c7 04 24 0e 36 e0 45 4b c7 04 [ 129.185557][ C1] RSP: 0018:ffffc90000bc6920 EFLAGS: 00000297 [ 129.193506][ C1] RAX: 0000000000000000 RBX: ffffc90000bc6df4 RCX: ffffffff8477aa6e [ 129.205184][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000bc6940 [ 129.215707][ C1] RBP: ffffc90000bc69b0 R08: 0000000000000004 R09: 0000000000000003 [ 129.226733][ C1] R10: fffff52000178d28 R11: 1ffff92000178d28 R12: dffffc0000000000 [ 129.236228][ C1] R13: ffffc90000bc6df0 R14: ffffc90000bc6940 R15: 1ffff92000178d24 [ 129.246776][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 129.253337][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 129.259938][ C1] ? kasan_check_range+0x66/0x290 [ 129.267615][ C1] tipc_sk_rcv+0x221/0x1ef0 [ 129.274345][ C1] ? __stack_depot_save+0x479/0x4c0 [ 129.283325][ C1] ? kasan_set_track+0x5b/0x70 [ 129.290125][ C1] ? kasan_set_track+0x4a/0x70 [ 129.298563][ C1] ? kasan_set_free_info+0x23/0x40 [ 129.307108][ C1] ? ____kasan_slab_free+0x125/0x160 [ 129.314021][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 129.323062][ C1] ? kmem_cache_free+0x100/0x2d0 [ 129.330698][ C1] ? kfree_skbmem+0x10c/0x180 [ 129.337354][ C1] ? kfree_skb+0xc1/0x2f0 [ 129.342926][ C1] ? tipc_msg_reverse+0x698/0x900 [ 129.350870][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 129.356436][ C1] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 129.362970][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 129.369209][ C1] ? tipc_node_distr_xmit+0x292/0x390 [ 129.375901][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 129.382440][ C1] ? syscall_exit_to_user_mode+0x5b/0x90 [ 129.388736][ C1] ? do_syscall_64+0x3d/0x40 [ 129.393989][ C1] ? __skb_queue_purge+0x170/0x170 [ 129.400126][ C1] tipc_node_xmit+0x256/0xcd0 [ 129.405330][ C1] ? ____kasan_slab_free+0x130/0x160 [ 129.411314][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 129.417513][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 129.424456][ C1] ? kfree_skbmem+0x10c/0x180 [ 129.430820][ C1] ? kmem_cache_free+0x100/0x2d0 [ 129.436868][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 129.442278][ C1] ? kfree_skb+0xc1/0x2f0 [ 129.446809][ C1] ? __skb_queue_purge+0x170/0x170 [ 129.452378][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 129.458417][ C1] tipc_sk_rcv+0x1d77/0x1ef0 [ 129.463216][ C1] ? is_bpf_text_address+0x177/0x190 [ 129.469124][ C1] ? __kernel_text_address+0xa0/0x100 [ 129.474765][ C1] ? unwind_get_return_address+0x4d/0x90 [ 129.480743][ C1] ? stack_trace_save+0xe0/0xe0 [ 129.485987][ C1] ? arch_stack_walk+0xee/0x140 [ 129.491316][ C1] ? __skb_queue_purge+0x170/0x170 [ 129.497227][ C1] tipc_node_xmit+0x256/0xcd0 [ 129.502661][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 129.509164][ C1] ? unwind_get_return_address+0x4d/0x90 [ 129.516717][ C1] ? __kasan_check_write+0x14/0x20 [ 129.522729][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 129.529925][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 129.535239][ C1] tipc_sk_filter_rcv+0x1581/0x3850 [ 129.541360][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 129.547976][ C1] ? __kasan_check_write+0x14/0x20 [ 129.554781][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 129.560255][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 129.565221][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 129.570936][ C1] ? kmem_cache_free+0x100/0x2d0 [ 129.576046][ C1] ? __skb_queue_purge+0x170/0x170 [ 129.581971][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 129.587724][ C1] ? ____fput+0x15/0x20 [ 129.592056][ C1] ? task_work_run+0x127/0x190 [ 129.597825][ C1] tipc_node_xmit+0x256/0xcd0 [ 129.603082][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 129.609461][ C1] tipc_node_distr_xmit+0x292/0x390 [ 129.615138][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 129.620979][ C1] ? kfree_skbmem+0x10c/0x180 [ 129.627152][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 129.633225][ C1] ? tipc_sk_timeout+0x970/0x970 [ 129.639050][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 129.645070][ C1] __release_sock+0x146/0x360 [ 129.650250][ C1] release_sock+0x60/0x1b0 [ 129.655222][ C1] tipc_release+0xbd4/0x1490 [ 129.660341][ C1] sock_close+0xe0/0x270 [ 129.665042][ C1] ? sock_mmap+0xa0/0xa0 [ 129.670072][ C1] __fput+0x2fb/0x770 [ 129.674774][ C1] ____fput+0x15/0x20 [ 129.679378][ C1] task_work_run+0x127/0x190 [ 129.685065][ C1] ptrace_notify+0x212/0x250 [ 129.690190][ C1] ? fput+0x1a/0x20 [ 129.694256][ C1] ? __x64_sys_sendmsg+0x24b/0x2a0 [ 129.700433][ C1] ? do_notify_parent+0x7e0/0x7e0 [ 129.706006][ C1] ? ___sys_sendmsg+0x260/0x260 [ 129.711884][ C1] syscall_exit_work+0x6e/0x140 [ 129.716838][ C1] syscall_exit_to_user_mode+0x5b/0x90 [ 129.723330][ C1] do_syscall_64+0x3d/0x40 [ 129.728264][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 129.734777][ C1] RIP: 0033:0x7f9902cb6059 [ 129.739825][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 129.760965][ C1] RSP: 002b:00007f9902c76218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 129.771588][ C1] RAX: 00000000000203a0 RBX: 00007f9902d423e8 RCX: 00007f9902cb6059 [ 129.781366][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 129.791064][ C1] RBP: 00007f9902d423e0 R08: 0000000000000000 R09: 0000000000000000 [ 129.800932][ C1] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007f9902d0f084 [ 129.811007][ C1] R13: 0000200000000940 R14: 0000200000005fd0 R15: 0000200000005e80 [ 265.398392][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor149:292] [ 265.408170][ C1] Modules linked in: [ 265.412159][ C1] CPU: 1 PID: 292 Comm: syz-executor149 Not tainted 5.10.240-syzkaller #0 [ 265.421985][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 265.433011][ C1] RIP: 0010:__kasan_check_read+0x12/0x20 [ 265.439544][ C1] Code: eb 0a 48 c7 c7 d2 10 92 85 48 89 de e8 67 6d d1 02 45 31 ff eb d1 00 00 55 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 bf ed ff ff 5d 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 89 f6 48 8b [ 265.461042][ C1] RSP: 0018:ffffc90000bc6918 EFLAGS: 00000256 [ 265.467668][ C1] RAX: 0000000000000401 RBX: ffff88810578e388 RCX: ffffffff8477a65b [ 265.476327][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810578e388 [ 265.485375][ C1] RBP: ffffc90000bc69b0 R08: dffffc0000000000 R09: ffffed1020af1c72 [ 265.493721][ C1] R10: ffffed1020af1c72 R11: 1ffff11020af1c71 R12: dffffc0000000000 [ 265.502270][ C1] R13: 1ffff92000178d24 R14: ffffffff845ce70a R15: 00000000d5ad5d49 [ 265.510771][ C1] FS: 00007f9902c766c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 265.520436][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.527378][ C1] CR2: 000020000001f000 CR3: 0000000120c75000 CR4: 00000000003506a0 [ 265.536144][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.544567][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.552984][ C1] Call Trace: [ 265.556382][ C1] ? _raw_spin_trylock_bh+0x7b/0x130 [ 265.562228][ C1] ? _raw_spin_trylock+0x140/0x140 [ 265.567617][ C1] tipc_sk_rcv+0x41a/0x1ef0 [ 265.572241][ C1] ? __stack_depot_save+0x479/0x4c0 [ 265.578512][ C1] ? kasan_set_track+0x5b/0x70 [ 265.584173][ C1] ? kasan_set_track+0x4a/0x70 [ 265.589799][ C1] ? kasan_set_free_info+0x23/0x40 [ 265.595276][ C1] ? ____kasan_slab_free+0x125/0x160 [ 265.600911][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.607232][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.612469][ C1] ? kfree_skbmem+0x10c/0x180 [ 265.617462][ C1] ? kfree_skb+0xc1/0x2f0 [ 265.621808][ C1] ? tipc_msg_reverse+0x698/0x900 [ 265.627279][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 265.632228][ C1] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 265.638272][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 265.644125][ C1] ? tipc_node_distr_xmit+0x292/0x390 [ 265.650225][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 265.657204][ C1] ? syscall_exit_to_user_mode+0x5b/0x90 [ 265.663549][ C1] ? do_syscall_64+0x3d/0x40 [ 265.669046][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.674493][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.679579][ C1] ? ____kasan_slab_free+0x130/0x160 [ 265.685227][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.691487][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.697609][ C1] ? kfree_skbmem+0x10c/0x180 [ 265.702725][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.708067][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 265.713928][ C1] ? kfree_skb+0xc1/0x2f0 [ 265.718766][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.725327][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 265.731850][ C1] tipc_sk_rcv+0x1d77/0x1ef0 [ 265.736532][ C1] ? is_bpf_text_address+0x177/0x190 [ 265.742776][ C1] ? __kernel_text_address+0xa0/0x100 [ 265.748717][ C1] ? unwind_get_return_address+0x4d/0x90 [ 265.755084][ C1] ? stack_trace_save+0xe0/0xe0 [ 265.760150][ C1] ? arch_stack_walk+0xee/0x140 [ 265.766522][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.772796][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.778376][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.784600][ C1] ? unwind_get_return_address+0x4d/0x90 [ 265.790665][ C1] ? __kasan_check_write+0x14/0x20 [ 265.796538][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 265.802693][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 265.807616][ C1] tipc_sk_filter_rcv+0x1581/0x3850 [ 265.813782][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 265.819351][ C1] ? __kasan_check_write+0x14/0x20 [ 265.824905][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 265.830240][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 265.835429][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 265.841448][ C1] ? kmem_cache_free+0x100/0x2d0 [ 265.846665][ C1] ? __skb_queue_purge+0x170/0x170 [ 265.852477][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 265.858021][ C1] ? ____fput+0x15/0x20 [ 265.862716][ C1] ? task_work_run+0x127/0x190 [ 265.868081][ C1] tipc_node_xmit+0x256/0xcd0 [ 265.873496][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 265.879483][ C1] tipc_node_distr_xmit+0x292/0x390 [ 265.885240][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 265.890777][ C1] ? kfree_skbmem+0x10c/0x180 [ 265.895860][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 265.901605][ C1] ? tipc_sk_timeout+0x970/0x970 [ 265.906910][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 265.912977][ C1] __release_sock+0x146/0x360 [ 265.918178][ C1] release_sock+0x60/0x1b0 [ 265.923164][ C1] tipc_release+0xbd4/0x1490 [ 265.927855][ C1] sock_close+0xe0/0x270 [ 265.932620][ C1] ? sock_mmap+0xa0/0xa0 [ 265.937052][ C1] __fput+0x2fb/0x770 [ 265.941739][ C1] ____fput+0x15/0x20 [ 265.946031][ C1] task_work_run+0x127/0x190 [ 265.951069][ C1] ptrace_notify+0x212/0x250 [ 265.955947][ C1] ? fput+0x1a/0x20 [ 265.960018][ C1] ? __x64_sys_sendmsg+0x24b/0x2a0 [ 265.965733][ C1] ? do_notify_parent+0x7e0/0x7e0 [ 265.970924][ C1] ? ___sys_sendmsg+0x260/0x260 [ 265.976696][ C1] syscall_exit_work+0x6e/0x140 [ 265.982275][ C1] syscall_exit_to_user_mode+0x5b/0x90 [ 265.988171][ C1] do_syscall_64+0x3d/0x40 [ 265.993246][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.999600][ C1] RIP: 0033:0x7f9902cb6059 [ 266.004715][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 266.025788][ C1] RSP: 002b:00007f9902c76218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 266.034948][ C1] RAX: 00000000000203a0 RBX: 00007f9902d423e8 RCX: 00007f9902cb6059 [ 266.043493][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 266.052186][ C1] RBP: 00007f9902d423e0 R08: 0000000000000000 R09: 0000000000000000 [ 266.060876][ C1] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007f9902d0f084 [ 266.069720][ C1] R13: 0000200000000940 R14: 0000200000005fd0 R15: 0000200000005e80 [ 266.080785][ T24] audit: type=1400 audit(1756123818.060:68): 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 [ 266.108862][ T24] audit: type=1400 audit(1756123818.060:69): 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 [ 266.132931][ T24] audit: type=1400 audit(1756123818.060:70): 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 [ 266.157683][ T24] audit: type=1400 audit(1756123818.060:71): 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 [ 266.180684][ T24] audit: type=1400 audit(1756123818.060:72): avc: denied { create } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 266.203757][ T24] audit: type=1400 audit(1756123818.060:73): avc: denied { append open } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 266.227926][ T24] audit: type=1400 audit(1756123818.060:74): avc: denied { getattr } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1