./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3732214660 <...> forked to background, child pid 3180 no interfaces have a carrier [ 25.564077][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.566612][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. execve("./syz-executor3732214660", ["./syz-executor3732214660"], 0x7ffd8cc87bc0 /* 10 vars */) = 0 brk(NULL) = 0x555556e69000 brk(0x555556e69d00) = 0x555556e69d00 arch_prctl(ARCH_SET_FS, 0x555556e693c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3732214660", 4096) = 28 brk(0x555556e8ad00) = 0x555556e8ad00 brk(0x555556e8b000) = 0x555556e8b000 mprotect(0x7fc3e67d9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fc3e672c1a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc3e672d350}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fc3e672c1a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc3e672d350}, NULL, 8) = 0 getpid() = 3608 mkdir("./syzkaller.hHS4E1", 0700) = 0 chmod("./syzkaller.hHS4E1", 0777) = 0 chdir("./syzkaller.hHS4E1") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached , child_tidptr=0x555556e69690) = 3609 [pid 3609] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setsid() = 1 [pid 3609] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3609] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3609] unshare(CLONE_NEWNS) = 0 [pid 3609] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3609] unshare(CLONE_NEWIPC) = 0 [pid 3609] unshare(CLONE_NEWCGROUP) = 0 [pid 3609] unshare(CLONE_NEWUTS) = 0 [pid 3609] unshare(CLONE_SYSVSEM) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "16777216", 8) = 8 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "536870912", 9) = 9 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "8192", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3609] close(3) = 0 [pid 3609] getpid() = 1 [pid 3609] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 3609] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./0/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./0") = 0 [pid 3609] mkdir("./1", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3611 attached , child_tidptr=0x555556e69690) = 3 [pid 3611] chdir("./1") = 0 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3611] close(3) = 0 [pid 3611] close(4) = 0 [pid 3611] close(5) = -1 EBADF (Bad file descriptor) [pid 3611] close(6) = -1 EBADF (Bad file descriptor) [pid 3611] close(7) = -1 EBADF (Bad file descriptor) [pid 3611] close(8) = -1 EBADF (Bad file descriptor) [pid 3611] close(9) = -1 EBADF (Bad file descriptor) [pid 3611] close(10) = -1 EBADF (Bad file descriptor) [pid 3611] close(11) = -1 EBADF (Bad file descriptor) [pid 3611] close(12) = -1 EBADF (Bad file descriptor) [pid 3611] close(13) = -1 EBADF (Bad file descriptor) [pid 3611] close(14) = -1 EBADF (Bad file descriptor) [pid 3611] close(15) = -1 EBADF (Bad file descriptor) [pid 3611] close(16) = -1 EBADF (Bad file descriptor) [pid 3611] close(17) = -1 EBADF (Bad file descriptor) [pid 3611] close(18) = -1 EBADF (Bad file descriptor) [pid 3611] close(19) = -1 EBADF (Bad file descriptor) [pid 3611] close(20) = -1 EBADF (Bad file descriptor) [pid 3611] close(21) = -1 EBADF (Bad file descriptor) [pid 3611] close(22) = -1 EBADF (Bad file descriptor) [pid 3611] close(23) = -1 EBADF (Bad file descriptor) [pid 3611] close(24) = -1 EBADF (Bad file descriptor) [pid 3611] close(25) = -1 EBADF (Bad file descriptor) [pid 3611] close(26) = -1 EBADF (Bad file descriptor) [pid 3611] close(27) = -1 EBADF (Bad file descriptor) [pid 3611] close(28) = -1 EBADF (Bad file descriptor) [pid 3611] close(29) = -1 EBADF (Bad file descriptor) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./1/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./1") = 0 [pid 3609] mkdir("./2", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached , child_tidptr=0x555556e69690) = 4 [pid 3612] chdir("./2") = 0 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3612] close(3) = 0 [pid 3612] close(4) = 0 [pid 3612] close(5) = -1 EBADF (Bad file descriptor) [pid 3612] close(6) = -1 EBADF (Bad file descriptor) [pid 3612] close(7) = -1 EBADF (Bad file descriptor) [pid 3612] close(8) = -1 EBADF (Bad file descriptor) [pid 3612] close(9) = -1 EBADF (Bad file descriptor) [pid 3612] close(10) = -1 EBADF (Bad file descriptor) [pid 3612] close(11) = -1 EBADF (Bad file descriptor) [pid 3612] close(12) = -1 EBADF (Bad file descriptor) [pid 3612] close(13) = -1 EBADF (Bad file descriptor) [pid 3612] close(14) = -1 EBADF (Bad file descriptor) [pid 3612] close(15) = -1 EBADF (Bad file descriptor) [pid 3612] close(16) = -1 EBADF (Bad file descriptor) [pid 3612] close(17) = -1 EBADF (Bad file descriptor) [pid 3612] close(18) = -1 EBADF (Bad file descriptor) [pid 3612] close(19) = -1 EBADF (Bad file descriptor) [pid 3612] close(20) = -1 EBADF (Bad file descriptor) [pid 3612] close(21) = -1 EBADF (Bad file descriptor) [pid 3612] close(22) = -1 EBADF (Bad file descriptor) [pid 3612] close(23) = -1 EBADF (Bad file descriptor) [pid 3612] close(24) = -1 EBADF (Bad file descriptor) [pid 3612] close(25) = -1 EBADF (Bad file descriptor) [pid 3612] close(26) = -1 EBADF (Bad file descriptor) [pid 3612] close(27) = -1 EBADF (Bad file descriptor) [pid 3612] close(28) = -1 EBADF (Bad file descriptor) [pid 3612] close(29) = -1 EBADF (Bad file descriptor) [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./2/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./2") = 0 [pid 3609] mkdir("./3", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 5 ./strace-static-x86_64: Process 3613 attached [pid 3613] chdir("./3") = 0 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3613] close(3) = 0 [pid 3613] close(4) = 0 [pid 3613] close(5) = -1 EBADF (Bad file descriptor) [pid 3613] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] close(10) = -1 EBADF (Bad file descriptor) [pid 3613] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] close(12) = -1 EBADF (Bad file descriptor) [pid 3613] close(13) = -1 EBADF (Bad file descriptor) [pid 3613] close(14) = -1 EBADF (Bad file descriptor) [pid 3613] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] close(16) = -1 EBADF (Bad file descriptor) [pid 3613] close(17) = -1 EBADF (Bad file descriptor) [pid 3613] close(18) = -1 EBADF (Bad file descriptor) [pid 3613] close(19) = -1 EBADF (Bad file descriptor) [pid 3613] close(20) = -1 EBADF (Bad file descriptor) [pid 3613] close(21) = -1 EBADF (Bad file descriptor) [pid 3613] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] close(25) = -1 EBADF (Bad file descriptor) [pid 3613] close(26) = -1 EBADF (Bad file descriptor) [pid 3613] close(27) = -1 EBADF (Bad file descriptor) [pid 3613] close(28) = -1 EBADF (Bad file descriptor) [pid 3613] close(29) = -1 EBADF (Bad file descriptor) [pid 3613] exit_group(0) = ? [pid 3613] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./3/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./3") = 0 [pid 3609] mkdir("./4", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3614 attached , child_tidptr=0x555556e69690) = 6 [pid 3614] chdir("./4") = 0 [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0) = 0 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3614] close(3) = 0 [pid 3614] close(4) = 0 [pid 3614] close(5) = -1 EBADF (Bad file descriptor) [pid 3614] close(6) = -1 EBADF (Bad file descriptor) [pid 3614] close(7) = -1 EBADF (Bad file descriptor) [pid 3614] close(8) = -1 EBADF (Bad file descriptor) [pid 3614] close(9) = -1 EBADF (Bad file descriptor) [pid 3614] close(10) = -1 EBADF (Bad file descriptor) [pid 3614] close(11) = -1 EBADF (Bad file descriptor) [pid 3614] close(12) = -1 EBADF (Bad file descriptor) [pid 3614] close(13) = -1 EBADF (Bad file descriptor) [pid 3614] close(14) = -1 EBADF (Bad file descriptor) [pid 3614] close(15) = -1 EBADF (Bad file descriptor) [pid 3614] close(16) = -1 EBADF (Bad file descriptor) [pid 3614] close(17) = -1 EBADF (Bad file descriptor) [pid 3614] close(18) = -1 EBADF (Bad file descriptor) [pid 3614] close(19) = -1 EBADF (Bad file descriptor) [pid 3614] close(20) = -1 EBADF (Bad file descriptor) [pid 3614] close(21) = -1 EBADF (Bad file descriptor) [pid 3614] close(22) = -1 EBADF (Bad file descriptor) [pid 3614] close(23) = -1 EBADF (Bad file descriptor) [pid 3614] close(24) = -1 EBADF (Bad file descriptor) [pid 3614] close(25) = -1 EBADF (Bad file descriptor) [pid 3614] close(26) = -1 EBADF (Bad file descriptor) [pid 3614] close(27) = -1 EBADF (Bad file descriptor) [pid 3614] close(28) = -1 EBADF (Bad file descriptor) [pid 3614] close(29) = -1 EBADF (Bad file descriptor) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./4/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./4") = 0 [pid 3609] mkdir("./5", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 7 ./strace-static-x86_64: Process 3615 attached [pid 3615] chdir("./5") = 0 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3615] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3615] close(3) = 0 [pid 3615] close(4) = 0 [pid 3615] close(5) = -1 EBADF (Bad file descriptor) [pid 3615] close(6) = -1 EBADF (Bad file descriptor) [pid 3615] close(7) = -1 EBADF (Bad file descriptor) [pid 3615] close(8) = -1 EBADF (Bad file descriptor) [pid 3615] close(9) = -1 EBADF (Bad file descriptor) [pid 3615] close(10) = -1 EBADF (Bad file descriptor) [pid 3615] close(11) = -1 EBADF (Bad file descriptor) [pid 3615] close(12) = -1 EBADF (Bad file descriptor) [pid 3615] close(13) = -1 EBADF (Bad file descriptor) [pid 3615] close(14) = -1 EBADF (Bad file descriptor) [pid 3615] close(15) = -1 EBADF (Bad file descriptor) [pid 3615] close(16) = -1 EBADF (Bad file descriptor) [pid 3615] close(17) = -1 EBADF (Bad file descriptor) [pid 3615] close(18) = -1 EBADF (Bad file descriptor) [pid 3615] close(19) = -1 EBADF (Bad file descriptor) [pid 3615] close(20) = -1 EBADF (Bad file descriptor) [pid 3615] close(21) = -1 EBADF (Bad file descriptor) [pid 3615] close(22) = -1 EBADF (Bad file descriptor) [pid 3615] close(23) = -1 EBADF (Bad file descriptor) [pid 3615] close(24) = -1 EBADF (Bad file descriptor) [pid 3615] close(25) = -1 EBADF (Bad file descriptor) [pid 3615] close(26) = -1 EBADF (Bad file descriptor) [pid 3615] close(27) = -1 EBADF (Bad file descriptor) [pid 3615] close(28) = -1 EBADF (Bad file descriptor) [pid 3615] close(29) = -1 EBADF (Bad file descriptor) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./5/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./5") = 0 [pid 3609] mkdir("./6", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3616 attached , child_tidptr=0x555556e69690) = 8 [pid 3616] chdir("./6") = 0 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3616] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3616] close(3) = 0 [pid 3616] close(4) = 0 [pid 3616] close(5) = -1 EBADF (Bad file descriptor) [pid 3616] close(6) = -1 EBADF (Bad file descriptor) [pid 3616] close(7) = -1 EBADF (Bad file descriptor) [pid 3616] close(8) = -1 EBADF (Bad file descriptor) [pid 3616] close(9) = -1 EBADF (Bad file descriptor) [pid 3616] close(10) = -1 EBADF (Bad file descriptor) [pid 3616] close(11) = -1 EBADF (Bad file descriptor) [pid 3616] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] close(13) = -1 EBADF (Bad file descriptor) [pid 3616] close(14) = -1 EBADF (Bad file descriptor) [pid 3616] close(15) = -1 EBADF (Bad file descriptor) [pid 3616] close(16) = -1 EBADF (Bad file descriptor) [pid 3616] close(17) = -1 EBADF (Bad file descriptor) [pid 3616] close(18) = -1 EBADF (Bad file descriptor) [pid 3616] close(19) = -1 EBADF (Bad file descriptor) [pid 3616] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] close(21) = -1 EBADF (Bad file descriptor) [pid 3616] close(22) = -1 EBADF (Bad file descriptor) [pid 3616] close(23) = -1 EBADF (Bad file descriptor) [pid 3616] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] close(25) = -1 EBADF (Bad file descriptor) [pid 3616] close(26) = -1 EBADF (Bad file descriptor) [pid 3616] close(27) = -1 EBADF (Bad file descriptor) [pid 3616] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./6/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./6") = 0 [pid 3609] mkdir("./7", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3617 attached , child_tidptr=0x555556e69690) = 9 [pid 3617] chdir("./7") = 0 [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3617] close(3) = 0 [pid 3617] close(4) = 0 [pid 3617] close(5) = -1 EBADF (Bad file descriptor) [pid 3617] close(6) = -1 EBADF (Bad file descriptor) [pid 3617] close(7) = -1 EBADF (Bad file descriptor) [pid 3617] close(8) = -1 EBADF (Bad file descriptor) [pid 3617] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] close(11) = -1 EBADF (Bad file descriptor) [pid 3617] close(12) = -1 EBADF (Bad file descriptor) [pid 3617] close(13) = -1 EBADF (Bad file descriptor) [pid 3617] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] close(16) = -1 EBADF (Bad file descriptor) [pid 3617] close(17) = -1 EBADF (Bad file descriptor) [pid 3617] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] close(22) = -1 EBADF (Bad file descriptor) [pid 3617] close(23) = -1 EBADF (Bad file descriptor) [pid 3617] close(24) = -1 EBADF (Bad file descriptor) [pid 3617] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] close(27) = -1 EBADF (Bad file descriptor) [pid 3617] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] close(29) = -1 EBADF (Bad file descriptor) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./7/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./7") = 0 [pid 3609] mkdir("./8", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached , child_tidptr=0x555556e69690) = 10 [pid 3618] chdir("./8") = 0 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] setpgid(0, 0) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "1000", 4) = 4 [pid 3618] close(3) = 0 [pid 3618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3618] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3618] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3618] close(3) = 0 [pid 3618] close(4) = 0 [pid 3618] close(5) = -1 EBADF (Bad file descriptor) [pid 3618] close(6) = -1 EBADF (Bad file descriptor) [pid 3618] close(7) = -1 EBADF (Bad file descriptor) [pid 3618] close(8) = -1 EBADF (Bad file descriptor) [pid 3618] close(9) = -1 EBADF (Bad file descriptor) [pid 3618] close(10) = -1 EBADF (Bad file descriptor) [pid 3618] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] close(12) = -1 EBADF (Bad file descriptor) [pid 3618] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] close(16) = -1 EBADF (Bad file descriptor) [pid 3618] close(17) = -1 EBADF (Bad file descriptor) [pid 3618] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] close(19) = -1 EBADF (Bad file descriptor) [pid 3618] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] close(22) = -1 EBADF (Bad file descriptor) [pid 3618] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] close(24) = -1 EBADF (Bad file descriptor) [pid 3618] close(25) = -1 EBADF (Bad file descriptor) [pid 3618] close(26) = -1 EBADF (Bad file descriptor) [pid 3618] close(27) = -1 EBADF (Bad file descriptor) [pid 3618] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] close(29) = -1 EBADF (Bad file descriptor) [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./8/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./8") = 0 [pid 3609] mkdir("./9", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached , child_tidptr=0x555556e69690) = 11 [pid 3619] chdir("./9") = 0 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3619] close(3) = 0 [pid 3619] close(4) = 0 [pid 3619] close(5) = -1 EBADF (Bad file descriptor) [pid 3619] close(6) = -1 EBADF (Bad file descriptor) [pid 3619] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] close(8) = -1 EBADF (Bad file descriptor) [pid 3619] close(9) = -1 EBADF (Bad file descriptor) [pid 3619] close(10) = -1 EBADF (Bad file descriptor) [pid 3619] close(11) = -1 EBADF (Bad file descriptor) [pid 3619] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] close(14) = -1 EBADF (Bad file descriptor) [pid 3619] close(15) = -1 EBADF (Bad file descriptor) [pid 3619] close(16) = -1 EBADF (Bad file descriptor) [pid 3619] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] close(20) = -1 EBADF (Bad file descriptor) [pid 3619] close(21) = -1 EBADF (Bad file descriptor) [pid 3619] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] close(27) = -1 EBADF (Bad file descriptor) [pid 3619] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./9/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./9") = 0 [pid 3609] mkdir("./10", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 12 ./strace-static-x86_64: Process 3620 attached [pid 3620] chdir("./10") = 0 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 syzkaller login: [ 48.593051][ T48] [ 48.593058][ T48] ============================================ [ 48.593064][ T48] WARNING: possible recursive locking detected [ 48.593070][ T48] 5.18.0-syzkaller-12127-gf5826c8c9d57 #0 Not tainted [ 48.593083][ T48] -------------------------------------------- [ 48.593088][ T48] kworker/u4:3/48 is trying to acquire lock: [ 48.593100][ T48] ffffffff8be0d6d8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [ 48.593168][ T48] [ 48.593168][ T48] but task is already holding lock: [ 48.593173][ T48] ffffffff8be0d6d8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [ 48.593213][ T48] [ 48.593213][ T48] other info that might help us debug this: [ 48.593218][ T48] Possible unsafe locking scenario: [ 48.593218][ T48] [ 48.593222][ T48] CPU0 [ 48.593224][ T48] ---- [ 48.593227][ T48] lock(trace_printk_lock); [ 48.593238][ T48] lock(trace_printk_lock); [ 48.593248][ T48] [ 48.593248][ T48] *** DEADLOCK *** [ 48.593248][ T48] [ 48.593251][ T48] May be due to missing lock nesting notation [ 48.593251][ T48] [ 48.593255][ T48] 7 locks held by kworker/u4:3/48: [ 48.593266][ T48] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 48.593313][ T48] #1: ffffc90000b97da8 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 48.593360][ T48] #2: ffffffff8bc34270 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0xe/0x20 [pid 3620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3620] close(3) = 0 [pid 3620] close(4) = 0 [pid 3620] close(5) = -1 EBADF (Bad file descriptor) [pid 3620] close(6) = -1 EBADF (Bad file descriptor) [pid 3620] close(7) = -1 EBADF (Bad file descriptor) [pid 3620] close(8) = -1 EBADF (Bad file descriptor) [pid 3620] close(9) = -1 EBADF (Bad file descriptor) [pid 3620] close(10) = -1 EBADF (Bad file descriptor) [pid 3620] close(11) = -1 EBADF (Bad file descriptor) [pid 3620] close(12) = -1 EBADF (Bad file descriptor) [pid 3620] close(13) = -1 EBADF (Bad file descriptor) [pid 3620] close(14) = -1 EBADF (Bad file descriptor) [pid 3620] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] close(16) = -1 EBADF (Bad file descriptor) [pid 3620] close(17) = -1 EBADF (Bad file descriptor) [pid 3620] close(18) = -1 EBADF (Bad file descriptor) [pid 3620] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] close(20) = -1 EBADF (Bad file descriptor) [pid 3620] close(21) = -1 EBADF (Bad file descriptor) [pid 3620] close(22) = -1 EBADF (Bad file descriptor) [pid 3620] close(23) = -1 EBADF (Bad file descriptor) [pid 3620] close(24) = -1 EBADF (Bad file descriptor) [pid 3620] close(25) = -1 EBADF (Bad file descriptor) [pid 3620] close(26) = -1 EBADF (Bad file descriptor) [pid 3620] close(27) = -1 EBADF (Bad file descriptor) [pid 3620] close(28) = -1 EBADF (Bad file descriptor) [pid 3620] close(29) = -1 EBADF (Bad file descriptor) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./10/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./10") = 0 [pid 3609] mkdir("./11", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 13 ./strace-static-x86_64: Process 3621 attached [pid 3621] chdir("./11") = 0 [ 48.593404][ T48] #3: ffffffff8be6a048 (jump_label_mutex){+.+.}-{3:3}, at: static_key_enable_cpuslocked+0xb1/0x260 [ 48.593449][ T48] #4: ffffffff8bd86be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x0/0x340 [ 48.593492][ T48] #5: ffffffff8be0d6d8 (trace_printk_lock){..-.}-{2:2}, at: bpf_trace_printk+0xcf/0x170 [ 48.593536][ T48] #6: ffffffff8bd86be0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x0/0x340 [ 48.593579][ T48] [ 48.593579][ T48] stack backtrace: [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1000", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 3621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3621] close(3) = 0 [pid 3621] close(4) = 0 [pid 3621] close(5) = -1 EBADF (Bad file descriptor) [pid 3621] close(6) = -1 EBADF (Bad file descriptor) [pid 3621] close(7) = -1 EBADF (Bad file descriptor) [pid 3621] close(8) = -1 EBADF (Bad file descriptor) [pid 3621] close(9) = -1 EBADF (Bad file descriptor) [pid 3621] close(10) = -1 EBADF (Bad file descriptor) [pid 3621] close(11) = -1 EBADF (Bad file descriptor) [pid 3621] close(12) = -1 EBADF (Bad file descriptor) [pid 3621] close(13) = -1 EBADF (Bad file descriptor) [pid 3621] close(14) = -1 EBADF (Bad file descriptor) [pid 3621] close(15) = -1 EBADF (Bad file descriptor) [pid 3621] close(16) = -1 EBADF (Bad file descriptor) [pid 3621] close(17) = -1 EBADF (Bad file descriptor) [pid 3621] close(18) = -1 EBADF (Bad file descriptor) [pid 3621] close(19) = -1 EBADF (Bad file descriptor) [pid 3621] close(20) = -1 EBADF (Bad file descriptor) [pid 3621] close(21) = -1 EBADF (Bad file descriptor) [pid 3621] close(22) = -1 EBADF (Bad file descriptor) [pid 3621] close(23) = -1 EBADF (Bad file descriptor) [pid 3621] close(24) = -1 EBADF (Bad file descriptor) [pid 3621] close(25) = -1 EBADF (Bad file descriptor) [pid 3621] close(26) = -1 EBADF (Bad file descriptor) [pid 3621] close(27) = -1 EBADF (Bad file descriptor) [pid 3621] close(28) = -1 EBADF (Bad file descriptor) [pid 3621] close(29) = -1 EBADF (Bad file descriptor) [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 48.593584][ T48] CPU: 1 PID: 48 Comm: kworker/u4:3 Not tainted 5.18.0-syzkaller-12127-gf5826c8c9d57 #0 [ 48.593605][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.593617][ T48] Workqueue: events_unbound toggle_allocation_gate [ 48.593638][ T48] Call Trace: [ 48.593643][ T48] [ 48.593650][ T48] dump_stack_lvl+0xcd/0x134 [ 48.593677][ T48] __lock_acquire.cold+0x1f5/0x3b4 [ 48.593705][ T48] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.593737][ T48] lock_acquire+0x1ab/0x570 [ 48.593759][ T48] ? bpf_trace_printk+0xcf/0x170 [pid 3609] unlink("./11/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./11") = 0 [pid 3609] mkdir("./12", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 14 ./strace-static-x86_64: Process 3622 attached [pid 3622] chdir("./12") = 0 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [ 48.593780][ T48] ? lock_release+0x780/0x780 [ 48.593802][ T48] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.593828][ T48] ? bpf_bprintf_cleanup+0x60/0x60 [ 48.593854][ T48] _raw_spin_lock_irqsave+0x39/0x50 [ 48.593876][ T48] ? bpf_trace_printk+0xcf/0x170 [ 48.593895][ T48] bpf_trace_printk+0xcf/0x170 [ 48.593914][ T48] ? trace_bpf_trace_printk+0x220/0x220 [ 48.593942][ T48] ? check_path.constprop.0+0x24/0x50 [ 48.593970][ T48] bpf_prog_0605f9f479290f07+0x2f/0x33 [pid 3622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [ 48.593988][ T48] bpf_trace_run2+0x110/0x340 [ 48.594007][ T48] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 48.594029][ T48] ? mark_lock.part.0+0xee/0x1910 [ 48.594053][ T48] __bpf_trace_contention_begin+0xb5/0xf0 [ 48.594076][ T48] ? __bpf_trace_lock+0xe0/0xe0 [ 48.594102][ T48] trace_contention_begin.constprop.0+0xda/0x1b0 [ 48.594124][ T48] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 48.594148][ T48] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 48.594174][ T48] do_raw_spin_lock+0x200/0x2a0 [pid 3622] close(3) = 0 [pid 3622] close(4) = 0 [pid 3622] close(5) = -1 EBADF (Bad file descriptor) [ 48.594193][ T48] ? rwlock_bug.part.0+0x90/0x90 [ 48.594212][ T48] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 48.594235][ T48] _raw_spin_lock_irqsave+0x41/0x50 [ 48.594254][ T48] ? bpf_trace_printk+0xcf/0x170 [ 48.594273][ T48] bpf_trace_printk+0xcf/0x170 [ 48.594292][ T48] ? trace_bpf_trace_printk+0x220/0x220 [ 48.594319][ T48] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 48.594336][ T48] bpf_trace_run2+0x110/0x340 [ 48.594355][ T48] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 48.594379][ T48] __bpf_trace_contention_begin+0xb5/0xf0 [pid 3622] close(6) = -1 EBADF (Bad file descriptor) [pid 3622] close(7) = -1 EBADF (Bad file descriptor) [pid 3622] close(8) = -1 EBADF (Bad file descriptor) [pid 3622] close(9) = -1 EBADF (Bad file descriptor) [pid 3622] close(10) = -1 EBADF (Bad file descriptor) [pid 3622] close(11) = -1 EBADF (Bad file descriptor) [pid 3622] close(12) = -1 EBADF (Bad file descriptor) [pid 3622] close(13) = -1 EBADF (Bad file descriptor) [pid 3622] close(14) = -1 EBADF (Bad file descriptor) [pid 3622] close(15) = -1 EBADF (Bad file descriptor) [pid 3622] close(16) = -1 EBADF (Bad file descriptor) [pid 3622] close(17) = -1 EBADF (Bad file descriptor) [pid 3622] close(18) = -1 EBADF (Bad file descriptor) [pid 3622] close(19) = -1 EBADF (Bad file descriptor) [pid 3622] close(20) = -1 EBADF (Bad file descriptor) [pid 3622] close(21) = -1 EBADF (Bad file descriptor) [pid 3622] close(22) = -1 EBADF (Bad file descriptor) [pid 3622] close(23) = -1 EBADF (Bad file descriptor) [pid 3622] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] close(25) = -1 EBADF (Bad file descriptor) [pid 3622] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] close(27) = -1 EBADF (Bad file descriptor) [pid 3622] close(28) = -1 EBADF (Bad file descriptor) [pid 3622] close(29) = -1 EBADF (Bad file descriptor) [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 3609] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./12/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./12") = 0 [pid 3609] mkdir("./13", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e69690) = 15 ./strace-static-x86_64: Process 3623 attached [pid 3623] chdir("./13") = 0 [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] setpgid(0, 0) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1000", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [ 48.594402][ T48] ? __bpf_trace_lock+0xe0/0xe0 [ 48.594428][ T48] trace_contention_begin+0xc0/0x150 [ 48.594451][ T48] __mutex_lock+0x13c/0x1350 [ 48.594474][ T48] ? static_key_enable_cpuslocked+0xb1/0x260 [ 48.594496][ T48] ? static_key_enable_cpuslocked+0xb1/0x260 [ 48.594518][ T48] ? mutex_lock_io_nested+0x1190/0x1190 [ 48.594542][ T48] ? lock_release+0x780/0x780 [ 48.594563][ T48] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.594588][ T48] ? lock_downgrade+0x6e0/0x6e0 [ 48.594617][ T48] static_key_enable_cpuslocked+0xb1/0x260 [ 48.594637][ T48] static_key_enable+0x16/0x20 [ 48.594655][ T48] toggle_allocation_gate+0x100/0x390 [ 48.594676][ T48] ? lock_release+0x780/0x780 [ 48.594699][ T48] ? wake_up_kfence_timer+0x20/0x20 [ 48.594720][ T48] ? lockdep_hardirqs_on+0x79/0x100 [ 48.594738][ T48] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.594768][ T48] process_one_work+0x996/0x1610 [ 48.594792][ T48] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 48.594815][ T48] ? rwlock_bug.part.0+0x90/0x90 [pid 3623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3623] close(3) = 0 [pid 3623] close(4) = 0 [pid 3623] close(5) = -1 EBADF (Bad file descriptor) [pid 3623] close(6) = -1 EBADF (Bad file descriptor) [pid 3623] close(7) = -1 EBADF (Bad file descriptor) [pid 3623] close(8) = -1 EBADF (Bad file descriptor) [pid 3623] close(9) = -1 EBADF (Bad file descriptor) [pid 3623] close(10) = -1 EBADF (Bad file descriptor) [pid 3623] close(11) = -1 EBADF (Bad file descriptor) [pid 3623] close(12) = -1 EBADF (Bad file descriptor) [pid 3623] close(13) = -1 EBADF (Bad file descriptor) [pid 3623] close(14) = -1 EBADF (Bad file descriptor) [pid 3623] close(15) = -1 EBADF (Bad file descriptor) [pid 3623] close(16) = -1 EBADF (Bad file descriptor) [pid 3623] close(17) = -1 EBADF (Bad file descriptor) [pid 3623] close(18) = -1 EBADF (Bad file descriptor) [pid 3623] close(19) = -1 EBADF (Bad file descriptor) [pid 3623] close(20) = -1 EBADF (Bad file descriptor) [pid 3623] close(21) = -1 EBADF (Bad file descriptor) [pid 3623] close(22) = -1 EBADF (Bad file descriptor) [pid 3623] close(23) = -1 EBADF (Bad file descriptor) [pid 3623] close(24) = -1 EBADF (Bad file descriptor) [pid 3623] close(25) = -1 EBADF (Bad file descriptor) [pid 3623] close(26) = -1 EBADF (Bad file descriptor) [pid 3623] close(27) = -1 EBADF (Bad file descriptor) [pid 3623] close(28) = -1 EBADF (Bad file descriptor) [pid 3623] close(29) = -1 EBADF (Bad file descriptor) [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3609] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 3 entries */, 32768) = 80 [pid 3609] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3609] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3609] unlink("./13/binderfs") = 0 [pid 3609] getdents64(3, 0x555556e6a6e0 /* 0 entries */, 32768) = 0 [pid 3609] close(3) = 0 [pid 3609] rmdir("./13") = 0 [pid 3609] mkdir("./14", 0777) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3624 attached [pid 3624] chdir("./14") = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=8, insns=0x20002740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 3609] <... clone resumed>, child_tidptr=0x555556e69690) = 16 [pid 3624] <... bpf resumed>) = 3 [pid 3624] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=3}}, 16) = 4 [pid 3624] close(3) = 0 [ 48.594833][ T48] ? _raw_spin_lock_irq+0x41/0x50 [ 48.594856][ T48] worker_thread+0x665/0x1080 [ 48.594881][ T48] ? process_one_work+0x1610/0x1610 [ 48.594903][ T48] kthread+0x2e9/0x3a0 [ 48.594920][ T48] ? kthread_complete_and_exit+0x40/0x40 [ 48.594945][ T48] ret_from_fork+0x1f/0x30 [ 48.594973][ T48] [ 49.148478][ T3624] ------------[ cut here ]------------ [ 49.148487][ T3624] WARNING: CPU: 1 PID: 3624 at kernel/bpf/helpers.c:791 bpf_bprintf_prepare+0xf31/0x11a0 [ 49.163839][ T3624] Modules linked in: [ 49.167724][ T3624] CPU: 1 PID: 3624 Comm: syz-executor373 Not tainted 5.18.0-syzkaller-12127-gf5826c8c9d57 #0 [ 49.177917][ T3624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.187992][ T3624] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 49.193978][ T3624] Code: ff e8 83 f9 ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 6c f9 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 5f f9 ea ff <0f> 0b 65 ff 0d ce b5 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 06 [ 49.213589][ T3624] RSP: 0018:ffffc90001c4ebe8 EFLAGS: 00010093 [ 49.219693][ T3624] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.227676][ T3624] RDX: ffff888017bc5880 RSI: ffffffff818f8af1 RDI: 0000000000000005 [ 49.235639][ T3624] RBP: ffffc90001c4ed18 R08: 0000000000000005 R09: 0000000000000003 [ 49.243604][ T3624] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 49.251561][ T3624] R13: 0000000000000004 R14: ffffc90001c4edd0 R15: 0000000000000003 [ 49.259522][ T3624] FS: 0000555556e693c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.268443][ T3624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.275016][ T3624] CR2: 00007fc3e67dd130 CR3: 0000000071bde000 CR4: 00000000003506e0 [ 49.282981][ T3624] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.290943][ T3624] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.298914][ T3624] Call Trace: [ 49.302190][ T3624] [ 49.305115][ T3624] ? bpf_bprintf_cleanup+0x60/0x60 [ 49.310225][ T3624] bpf_trace_printk+0xab/0x170 [ 49.315001][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 49.320566][ T3624] ? lock_release+0x780/0x780 [ 49.325239][ T3624] ? is_bpf_text_address+0x77/0x170 [ 49.330443][ T3624] ? unwind_next_frame+0xfa9/0x1cc0 [ 49.335633][ T3624] ? arch_stack_walk+0x5c/0xe0 [ 49.340392][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 49.345838][ T3624] bpf_trace_run2+0x110/0x340 [ 49.350513][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 49.356424][ T3624] ? arch_stack_walk+0x6d/0xe0 [ 49.361182][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 49.366893][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 49.371734][ T3624] ? stack_trace_save+0x8c/0xc0 [ 49.376578][ T3624] ? __stack_depot_save+0x35/0x500 [ 49.381681][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 49.388002][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 49.394061][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.399513][ T3624] ? lock_acquire+0x480/0x570 [ 49.404183][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 49.410587][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.416035][ T3624] ? lock_acquire+0x480/0x570 [ 49.420703][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 49.425544][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 49.430469][ T3624] ? lock_acquire+0x480/0x570 [ 49.435136][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.440599][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 49.445812][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 49.450739][ T3624] bpf_trace_printk+0xcf/0x170 [ 49.455501][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 49.461039][ T3624] ? is_bpf_text_address+0x99/0x170 [ 49.466230][ T3624] ? kernel_text_address+0x39/0x80 [ 49.471343][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 49.476787][ T3624] bpf_trace_run2+0x110/0x340 [ 49.481456][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 49.487344][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.492805][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 49.498536][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 49.503381][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 49.509699][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 49.515754][ T3624] ? lock_acquire+0x480/0x570 [ 49.520422][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.525872][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 49.532277][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.537736][ T3624] ? lock_acquire+0x480/0x570 [ 49.542431][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 49.547314][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 49.552264][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.557719][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.563170][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 49.568378][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 49.573338][ T3624] bpf_trace_printk+0xcf/0x170 [ 49.578130][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 49.583666][ T3624] ? __rb_reserve_next+0x71d/0x16c0 [ 49.588855][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 49.594320][ T3624] bpf_trace_run2+0x110/0x340 [ 49.598996][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 49.604877][ T3624] ? ring_buffer_lock_reserve+0x470/0xfa0 [ 49.610584][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 49.616294][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 49.621138][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 49.627480][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 49.633538][ T3624] ? trace_event_buffer_commit+0x20a/0xa60 [ 49.639337][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 49.645755][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.651206][ T3624] ? lock_acquire+0x480/0x570 [ 49.655884][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 49.660738][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 49.665669][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 49.670861][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 49.675793][ T3624] bpf_trace_printk+0xcf/0x170 [ 49.680550][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 49.686085][ T3624] ? bpf_trace_run2+0x12d/0x340 [ 49.690927][ T3624] ? trace_hardirqs_on+0x2d/0x120 [ 49.695959][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 49.701405][ T3624] bpf_trace_run2+0x110/0x340 [ 49.706072][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 49.711961][ T3624] ? lock_downgrade+0x6e0/0x6e0 [ 49.716835][ T3624] ? inat_get_opcode_attribute+0x8/0x50 [ 49.722396][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 49.728109][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 49.732948][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.738400][ T3624] ? lock_release+0x560/0x780 [ 49.743066][ T3624] trace_contention_begin+0xc0/0x150 [ 49.748349][ T3624] __mutex_lock+0x13c/0x1350 [ 49.752952][ T3624] ? arch_jump_label_transform_queue+0x58/0x100 [ 49.759186][ T3624] ? arch_jump_label_transform_queue+0x58/0x100 [ 49.765425][ T3624] ? mutex_lock_io_nested+0x1190/0x1190 [ 49.770985][ T3624] ? wait_for_completion_io_timeout+0x20/0x20 [ 49.777046][ T3624] ? trace_contention_begin+0x4/0x1b0 [ 49.782417][ T3624] ? __jump_label_patch+0x173/0x330 [ 49.787626][ T3624] arch_jump_label_transform_queue+0x58/0x100 [ 49.793684][ T3624] __jump_label_update+0x12e/0x400 [ 49.798784][ T3624] jump_label_update+0x32f/0x410 [ 49.803717][ T3624] static_key_disable_cpuslocked+0x152/0x1b0 [ 49.809687][ T3624] static_key_disable+0x16/0x20 [ 49.814528][ T3624] tracepoint_probe_unregister+0x632/0xc30 [ 49.820327][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 49.825251][ T3624] bpf_raw_tp_link_release+0x51/0xa0 [ 49.830525][ T3624] ? __local_bh_enable_ip+0xa0/0x120 [ 49.835817][ T3624] bpf_link_free+0xe6/0x1b0 [ 49.840334][ T3624] bpf_link_put+0x161/0x1b0 [ 49.844830][ T3624] bpf_link_release+0x33/0x40 [ 49.849501][ T3624] __fput+0x277/0x9d0 [ 49.853472][ T3624] ? bpf_link_put+0x1b0/0x1b0 [ 49.858140][ T3624] task_work_run+0xdd/0x1a0 [ 49.862638][ T3624] ptrace_notify+0x114/0x140 [ 49.867219][ T3624] syscall_exit_to_user_mode_prepare+0xdb/0x230 [ 49.873461][ T3624] syscall_exit_to_user_mode+0x9/0x50 [ 49.880063][ T3624] do_syscall_64+0x42/0xb0 [ 49.884993][ T3624] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.890874][ T3624] RIP: 0033:0x7fc3e672d193 [ 49.895280][ T3624] Code: c7 c2 c0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 [ 49.914900][ T3624] RSP: 002b:00007ffdc7fe5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 49.923312][ T3624] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc3e672d193 [ 49.931283][ T3624] RDX: 0000000000000010 RSI: 0000000020000300 RDI: 0000000000000004 [ 49.939242][ T3624] RBP: 0000000000000000 R08: 00007ffdc7fe5bf0 R09: 00007ffdc7fe5bf0 [ 49.947211][ T3624] R10: 00007ffdc7fe5610 R11: 0000000000000246 R12: 00007ffdc7fe5bbc [ 49.955165][ T3624] R13: 00007ffdc7fe5bf0 R14: 00007ffdc7fe5bd0 R15: 000000000000000e [ 49.963134][ T3624] [ 49.966140][ T3624] Kernel panic - not syncing: panic_on_warn set ... [ 49.972715][ T3624] CPU: 1 PID: 3624 Comm: syz-executor373 Not tainted 5.18.0-syzkaller-12127-gf5826c8c9d57 #0 [ 49.982857][ T3624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.992914][ T3624] Call Trace: [ 49.996189][ T3624] [ 49.999169][ T3624] dump_stack_lvl+0xcd/0x134 [ 50.003766][ T3624] panic+0x2d7/0x636 [ 50.007676][ T3624] ? panic_print_sys_info.part.0+0x10b/0x10b [ 50.013789][ T3624] ? __warn.cold+0x1d9/0x2cd [ 50.018381][ T3624] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 50.023881][ T3624] __warn.cold+0x1ea/0x2cd [ 50.028298][ T3624] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 50.033688][ T3624] report_bug+0x1bc/0x210 [ 50.038070][ T3624] handle_bug+0x3c/0x60 [ 50.042237][ T3624] exc_invalid_op+0x14/0x40 [ 50.046741][ T3624] asm_exc_invalid_op+0x1b/0x20 [ 50.051608][ T3624] RIP: 0010:bpf_bprintf_prepare+0xf31/0x11a0 [ 50.057608][ T3624] Code: ff e8 83 f9 ea ff 48 83 7c 24 08 00 41 bd 04 00 00 00 0f 85 8a fa ff ff e8 6c f9 ea ff 8d 6b 03 e9 f7 f6 ff ff e8 5f f9 ea ff <0f> 0b 65 ff 0d ce b5 73 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 06 [ 50.077213][ T3624] RSP: 0018:ffffc90001c4ebe8 EFLAGS: 00010093 [ 50.083273][ T3624] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 50.091232][ T3624] RDX: ffff888017bc5880 RSI: ffffffff818f8af1 RDI: 0000000000000005 [ 50.099215][ T3624] RBP: ffffc90001c4ed18 R08: 0000000000000005 R09: 0000000000000003 [ 50.107180][ T3624] R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000003 [ 50.115138][ T3624] R13: 0000000000000004 R14: ffffc90001c4edd0 R15: 0000000000000003 [ 50.123100][ T3624] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 50.128469][ T3624] ? bpf_bprintf_prepare+0xf31/0x11a0 [ 50.133859][ T3624] ? bpf_bprintf_cleanup+0x60/0x60 [ 50.138963][ T3624] bpf_trace_printk+0xab/0x170 [ 50.143713][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 50.149242][ T3624] ? lock_release+0x780/0x780 [ 50.153909][ T3624] ? is_bpf_text_address+0x77/0x170 [ 50.159103][ T3624] ? unwind_next_frame+0xfa9/0x1cc0 [ 50.164328][ T3624] ? arch_stack_walk+0x5c/0xe0 [ 50.169518][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 50.174973][ T3624] bpf_trace_run2+0x110/0x340 [ 50.179649][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 50.185602][ T3624] ? arch_stack_walk+0x6d/0xe0 [ 50.190365][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 50.196079][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 50.200921][ T3624] ? stack_trace_save+0x8c/0xc0 [ 50.205768][ T3624] ? __stack_depot_save+0x35/0x500 [ 50.210875][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 50.217191][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 50.223257][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.228725][ T3624] ? lock_acquire+0x480/0x570 [ 50.233420][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 50.239832][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.245295][ T3624] ? lock_acquire+0x480/0x570 [ 50.249966][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 50.254823][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 50.259777][ T3624] ? lock_acquire+0x480/0x570 [ 50.264447][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.269899][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 50.275100][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 50.280065][ T3624] bpf_trace_printk+0xcf/0x170 [ 50.284842][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 50.290399][ T3624] ? is_bpf_text_address+0x99/0x170 [ 50.295589][ T3624] ? kernel_text_address+0x39/0x80 [ 50.300693][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 50.306141][ T3624] bpf_trace_run2+0x110/0x340 [ 50.310808][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 50.316704][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.322166][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 50.327874][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 50.332728][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 50.339043][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 50.345096][ T3624] ? lock_acquire+0x480/0x570 [ 50.349764][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.355212][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 50.361620][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.367072][ T3624] ? lock_acquire+0x480/0x570 [ 50.371737][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 50.376573][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 50.381499][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.386953][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.392425][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 50.397626][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 50.402549][ T3624] bpf_trace_printk+0xcf/0x170 [ 50.407302][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 50.412835][ T3624] ? __rb_reserve_next+0x71d/0x16c0 [ 50.418034][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 50.423483][ T3624] bpf_trace_run2+0x110/0x340 [ 50.428162][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 50.434047][ T3624] ? ring_buffer_lock_reserve+0x470/0xfa0 [ 50.439757][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 50.445476][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 50.450318][ T3624] trace_contention_begin.constprop.0+0xda/0x1b0 [ 50.456634][ T3624] __pv_queued_spin_lock_slowpath+0x103/0xb50 [ 50.462691][ T3624] ? trace_event_buffer_commit+0x20a/0xa60 [ 50.468500][ T3624] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 50.474901][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.480356][ T3624] ? lock_acquire+0x480/0x570 [ 50.485047][ T3624] do_raw_spin_lock+0x200/0x2a0 [ 50.489884][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 50.494823][ T3624] _raw_spin_lock_irqsave+0x41/0x50 [ 50.500020][ T3624] ? bpf_trace_printk+0xcf/0x170 [ 50.504945][ T3624] bpf_trace_printk+0xcf/0x170 [ 50.509696][ T3624] ? trace_bpf_trace_printk+0x220/0x220 [ 50.515226][ T3624] ? bpf_trace_run2+0x12d/0x340 [ 50.520070][ T3624] ? trace_hardirqs_on+0x2d/0x120 [ 50.525094][ T3624] bpf_prog_0605f9f479290f07+0x2f/0x33 [ 50.530551][ T3624] bpf_trace_run2+0x110/0x340 [ 50.535216][ T3624] ? __bpf_trace_bpf_trace_printk+0xc0/0xc0 [ 50.541106][ T3624] ? lock_downgrade+0x6e0/0x6e0 [ 50.545959][ T3624] ? inat_get_opcode_attribute+0x8/0x50 [ 50.551506][ T3624] __bpf_trace_contention_begin+0xb5/0xf0 [ 50.557218][ T3624] ? __bpf_trace_lock+0xe0/0xe0 [ 50.562089][ T3624] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.567558][ T3624] ? lock_release+0x560/0x780 [ 50.572241][ T3624] trace_contention_begin+0xc0/0x150 [ 50.577526][ T3624] __mutex_lock+0x13c/0x1350 [ 50.582108][ T3624] ? arch_jump_label_transform_queue+0x58/0x100 [ 50.588347][ T3624] ? arch_jump_label_transform_queue+0x58/0x100 [ 50.594774][ T3624] ? mutex_lock_io_nested+0x1190/0x1190 [ 50.600338][ T3624] ? wait_for_completion_io_timeout+0x20/0x20 [ 50.606398][ T3624] ? trace_contention_begin+0x4/0x1b0 [ 50.611771][ T3624] ? __jump_label_patch+0x173/0x330 [ 50.616981][ T3624] arch_jump_label_transform_queue+0x58/0x100 [ 50.623040][ T3624] __jump_label_update+0x12e/0x400 [ 50.628139][ T3624] jump_label_update+0x32f/0x410 [ 50.633063][ T3624] static_key_disable_cpuslocked+0x152/0x1b0 [ 50.639029][ T3624] static_key_disable+0x16/0x20 [ 50.643864][ T3624] tracepoint_probe_unregister+0x632/0xc30 [ 50.649701][ T3624] ? rwlock_bug.part.0+0x90/0x90 [ 50.654642][ T3624] bpf_raw_tp_link_release+0x51/0xa0 [ 50.659930][ T3624] ? __local_bh_enable_ip+0xa0/0x120 [ 50.665207][ T3624] bpf_link_free+0xe6/0x1b0 [ 50.669717][ T3624] bpf_link_put+0x161/0x1b0 [ 50.674220][ T3624] bpf_link_release+0x33/0x40 [ 50.678886][ T3624] __fput+0x277/0x9d0 [ 50.682855][ T3624] ? bpf_link_put+0x1b0/0x1b0 [ 50.687534][ T3624] task_work_run+0xdd/0x1a0 [ 50.692030][ T3624] ptrace_notify+0x114/0x140 [ 50.696606][ T3624] syscall_exit_to_user_mode_prepare+0xdb/0x230 [ 50.702843][ T3624] syscall_exit_to_user_mode+0x9/0x50 [ 50.708227][ T3624] do_syscall_64+0x42/0xb0 [ 50.712633][ T3624] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.718520][ T3624] RIP: 0033:0x7fc3e672d193 [ 50.722939][ T3624] Code: c7 c2 c0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 [ 50.742532][ T3624] RSP: 002b:00007ffdc7fe5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 50.750931][ T3624] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc3e672d193 [ 50.758888][ T3624] RDX: 0000000000000010 RSI: 0000000020000300 RDI: 0000000000000004 [ 50.766841][ T3624] RBP: 0000000000000000 R08: 00007ffdc7fe5bf0 R09: 00007ffdc7fe5bf0 [ 50.774822][ T3624] R10: 00007ffdc7fe5610 R11: 0000000000000246 R12: 00007ffdc7fe5bbc [ 50.782776][ T3624] R13: 00007ffdc7fe5bf0 R14: 00007ffdc7fe5bd0 R15: 000000000000000e [ 50.790741][ T3624] [ 50.793815][ T3624] Kernel Offset: disabled [ 50.798138][ T3624] Rebooting in 86400 seconds..