./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4134737300 <...> Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("./syz-executor4134737300", ["./syz-executor4134737300"], 0x7ffc8161c0b0 /* 10 vars */) = 0 brk(NULL) = 0x55555730c000 brk(0x55555730cd00) = 0x55555730cd00 arch_prctl(ARCH_SET_FS, 0x55555730c380) = 0 set_tid_address(0x55555730c650) = 5074 set_robust_list(0x55555730c660, 24) = 0 rseq(0x55555730cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4134737300", 4096) = 28 getrandom("\x60\x07\xf2\x92\x8b\x9e\x97\xe3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555730cd00 brk(0x55555732dd00) = 0x55555732dd00 brk(0x55555732e000) = 0x55555732e000 mprotect(0x7f0bd1300000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached , child_tidptr=0x55555730c650) = 5075 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] set_robust_list(0x55555730c660, 24) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5074] <... clone resumed>, child_tidptr=0x55555730c650) = 5076 [pid 5076] set_robust_list(0x55555730c660, 24 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] set_robust_list(0x55555730c660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5077 ./strace-static-x86_64: Process 5079 attached ./strace-static-x86_64: Process 5078 attached [pid 5077] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x55555730c650) = 5078 [pid 5079] set_robust_list(0x55555730c660, 24 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... set_robust_list resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] set_robust_list(0x55555730c660, 24 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... prctl resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5079 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5079] <... openat resumed>) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... prctl resumed>) = 0 [ 79.140857][ T28] audit: type=1400 audit(1713699007.259:87): avc: denied { execmem } for pid=5074 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5079] write(3, "1000", 4./strace-static-x86_64: Process 5081 attached [pid 5074] <... clone resumed>, child_tidptr=0x55555730c650) = 5080 [pid 5080] set_robust_list(0x55555730c660, 24 [pid 5077] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5081 [pid 5077] <... setpgid resumed>) = 0 [pid 5081] set_robust_list(0x55555730c660, 24) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] close(3 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... close resumed>) = 0 [pid 5081] <... prctl resumed>) = 0 [pid 5081] setpgid(0, 0 [pid 5079] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5077] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5083 attached ./strace-static-x86_64: Process 5082 attached [pid 5074] <... clone resumed>, child_tidptr=0x55555730c650) = 5082 [pid 5081] <... setpgid resumed>) = 0 [pid 5083] set_robust_list(0x55555730c660, 24 [pid 5082] set_robust_list(0x55555730c660, 24) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5083 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5083] write(3, "1000", 4 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... socket resumed>) = 3 [pid 5077] write(3, "1000", 4 [pid 5084] set_robust_list(0x55555730c660, 24 [pid 5083] <... write resumed>) = 4 [pid 5081] <... openat resumed>) = 3 [pid 5079] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5083] close(3 [pid 5077] <... write resumed>) = 4 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5081] write(3, "1000", 4 [pid 5083] <... close resumed>) = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5081] <... write resumed>) = 4 [pid 5079] <... bind resumed>) = 0 [pid 5077] close(3 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... socket resumed>) = 3 [pid 5081] close(3 [pid 5079] listen(3, 536870917 [pid 5077] <... close resumed>) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5081] <... close resumed>) = 0 [pid 5079] <... listen resumed>) = 0 [pid 5077] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5081] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5084] <... openat resumed>) = 3 [pid 5083] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5081] <... socket resumed>) = 3 [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5077] <... socket resumed>) = 3 [pid 5084] write(3, "1000", 4 [pid 5083] listen(3, 536870917 [pid 5081] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5084] <... write resumed>) = 4 [ 79.213176][ T28] audit: type=1400 audit(1713699007.339:88): avc: denied { create } for pid=5079 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=dccp_socket permissive=1 [ 79.235901][ T28] audit: type=1400 audit(1713699007.359:89): avc: denied { bind } for pid=5079 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=dccp_socket permissive=1 [pid 5084] close(3) = 0 [pid 5084] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3 [pid 5084] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EADDRINUSE (Address already in use) [pid 5084] listen(3, 536870917) = 0 [pid 5084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5083] <... listen resumed>) = 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5081] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5081] listen(3, 536870917) = 0 [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5077] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EADDRINUSE (Address already in use) [pid 5077] listen(3, 536870917) = 0 [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5084] <... bpf resumed>) = 4 [pid 5084] fsopen("cgroup2", 0 [pid 5083] <... bpf resumed>) = 4 [pid 5081] <... bpf resumed>) = 4 [pid 5079] <... bpf resumed>) = 4 [pid 5077] <... bpf resumed>) = 4 [pid 5079] fsopen("cgroup2", 0) = 5 [ 79.258333][ T28] audit: type=1400 audit(1713699007.359:90): avc: denied { name_bind } for pid=5079 comm="syz-executor413" src=20000 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:port_t tclass=dccp_socket permissive=1 [ 79.281008][ T28] audit: type=1400 audit(1713699007.359:91): avc: denied { node_bind } for pid=5079 comm="syz-executor413" saddr=::1 src=20000 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=dccp_socket permissive=1 [pid 5079] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5084] <... fsopen resumed>) = 5 [pid 5083] fsopen("cgroup2", 0 [pid 5081] fsopen("cgroup2", 0 [pid 5077] fsopen("cgroup2", 0) = 5 [pid 5084] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5077] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5083] <... fsopen resumed>) = 5 [pid 5081] <... fsopen resumed>) = 5 [pid 5084] <... fsconfig resumed>) = 0 [pid 5083] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5081] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5079] <... fsconfig resumed>) = 0 [pid 5077] <... fsconfig resumed>) = 0 [pid 5084] fsmount(5, 0, 0 [pid 5083] <... fsconfig resumed>) = 0 [pid 5081] <... fsconfig resumed>) = 0 [pid 5081] fsmount(5, 0, 0) = 6 [pid 5084] <... fsmount resumed>) = 6 [pid 5083] fsmount(5, 0, 0 [pid 5081] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5077] fsmount(5, 0, 0 [pid 5084] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5083] <... fsmount resumed>) = 6 [pid 5083] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5079] fsmount(5, 0, 0) = 6 [pid 5077] <... fsmount resumed>) = 6 [pid 5079] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [ 79.303393][ T28] audit: type=1400 audit(1713699007.359:92): avc: denied { listen } for pid=5079 comm="syz-executor413" laddr=::1 lport=20000 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=dccp_socket permissive=1 [ 79.327812][ T28] audit: type=1400 audit(1713699007.369:93): avc: denied { prog_load } for pid=5079 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [pid 5077] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5084] <... bpf resumed>) = 7 [pid 5083] <... bpf resumed>) = 7 [pid 5081] <... bpf resumed>) = 7 [pid 5079] <... bpf resumed>) = 7 [pid 5077] <... bpf resumed>) = 7 [pid 5084] exit_group(0 [pid 5083] exit_group(0 [pid 5079] exit_group(0 [pid 5077] exit_group(0 [pid 5084] <... exit_group resumed>) = ? [pid 5083] <... exit_group resumed>) = ? [pid 5079] <... exit_group resumed>) = ? [pid 5077] <... exit_group resumed>) = ? [pid 5081] exit_group(0) = ? [pid 5084] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5085 ./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x55555730c660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5086 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5087 [pid 5085] set_robust_list(0x55555730c660, 24./strace-static-x86_64: Process 5087 attached [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... set_robust_list resumed>) = 0 [pid 5087] set_robust_list(0x55555730c660, 24) = 0 [pid 5086] <... prctl resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5089 attached ./strace-static-x86_64: Process 5088 attached [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] setpgid(0, 0 [pid 5085] <... prctl resumed>) = 0 [pid 5089] set_robust_list(0x55555730c660, 24 [pid 5088] set_robust_list(0x55555730c660, 24 [pid 5087] <... prctl resumed>) = 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] setpgid(0, 0 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5089 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5088 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] setpgid(0, 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... setpgid resumed>) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... prctl resumed>) = 0 [pid 5088] <... prctl resumed>) = 0 [pid 5089] setpgid(0, 0 [pid 5088] setpgid(0, 0 [pid 5087] <... setpgid resumed>) = 0 [pid 5085] <... openat resumed>) = 3 [pid 5089] <... setpgid resumed>) = 0 [pid 5088] <... setpgid resumed>) = 0 [pid 5086] <... openat resumed>) = 3 [pid 5085] write(3, "1000", 4 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] write(3, "1000", 4 [pid 5085] <... write resumed>) = 4 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] <... write resumed>) = 4 [pid 5088] <... openat resumed>) = 3 [pid 5087] <... openat resumed>) = 3 [pid 5086] close(3 [pid 5085] close(3 [pid 5089] <... openat resumed>) = 3 [pid 5085] <... close resumed>) = 0 [pid 5089] write(3, "1000", 4 [pid 5088] write(3, "1000", 4 [pid 5086] <... close resumed>) = 0 [ 79.348126][ T28] audit: type=1400 audit(1713699007.369:94): avc: denied { bpf } for pid=5079 comm="syz-executor413" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 79.369195][ T28] audit: type=1400 audit(1713699007.369:95): avc: denied { perfmon } for pid=5079 comm="syz-executor413" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 79.392393][ T28] audit: type=1400 audit(1713699007.399:96): avc: denied { prog_run } for pid=5084 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [pid 5085] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5089] <... write resumed>) = 4 [pid 5088] <... write resumed>) = 4 [pid 5087] write(3, "1000", 4 [pid 5086] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5085] <... socket resumed>) = 3 [pid 5089] close(3 [pid 5088] close(3 [pid 5089] <... close resumed>) = 0 [pid 5087] <... write resumed>) = 4 [pid 5089] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5088] <... close resumed>) = 0 [pid 5086] <... socket resumed>) = 3 [pid 5085] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5089] <... socket resumed>) = 3 [pid 5088] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5087] close(3 [pid 5086] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5085] <... bind resumed>) = 0 [pid 5089] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5088] <... socket resumed>) = 3 [pid 5087] <... close resumed>) = 0 [pid 5089] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5088] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5087] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5086] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5085] listen(3, 536870917 [pid 5089] listen(3, 536870917 [pid 5088] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5087] <... socket resumed>) = 3 [pid 5086] listen(3, 536870917 [pid 5085] <... listen resumed>) = 0 [pid 5089] <... listen resumed>) = 0 [pid 5088] listen(3, 536870917 [pid 5086] <... listen resumed>) = 0 [pid 5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5088] <... listen resumed>) = 0 [pid 5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5089] <... bpf resumed>) = 4 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5087] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5086] <... bpf resumed>) = 4 [pid 5089] fsopen("cgroup2", 0 [pid 5087] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5085] <... bpf resumed>) = 4 [pid 5086] fsopen("cgroup2", 0 [pid 5087] listen(3, 536870917) = 0 [pid 5088] <... bpf resumed>) = 4 [pid 5089] <... fsopen resumed>) = 5 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5086] <... fsopen resumed>) = 5 [pid 5085] fsopen("cgroup2", 0 [pid 5089] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5088] fsopen("cgroup2", 0 [pid 5087] <... bpf resumed>) = 4 [pid 5086] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5085] <... fsopen resumed>) = 5 [pid 5087] fsopen("cgroup2", 0 [pid 5089] <... fsconfig resumed>) = 0 [pid 5088] <... fsopen resumed>) = 5 [pid 5086] <... fsconfig resumed>) = 0 [pid 5085] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5089] fsmount(5, 0, 0 [pid 5088] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5087] <... fsopen resumed>) = 5 [pid 5086] fsmount(5, 0, 0 [pid 5085] <... fsconfig resumed>) = 0 [pid 5089] <... fsmount resumed>) = 6 [pid 5088] <... fsconfig resumed>) = 0 [pid 5087] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5086] <... fsmount resumed>) = 6 [pid 5085] fsmount(5, 0, 0 [pid 5089] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5088] fsmount(5, 0, 0 [pid 5087] <... fsconfig resumed>) = 0 [pid 5086] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5085] <... fsmount resumed>) = 6 [pid 5089] <... bpf resumed>) = 7 [pid 5088] <... fsmount resumed>) = 6 [pid 5087] fsmount(5, 0, 0 [pid 5086] <... bpf resumed>) = 7 [pid 5085] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5089] exit_group(0 [pid 5088] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5087] <... fsmount resumed>) = 6 [pid 5089] <... exit_group resumed>) = ? [pid 5088] <... bpf resumed>) = 7 [pid 5086] exit_group(0 [pid 5085] <... bpf resumed>) = 7 [pid 5087] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5087] exit_group(0) = ? [pid 5089] +++ exited with 0 +++ [pid 5088] exit_group(0 [pid 5086] <... exit_group resumed>) = ? [pid 5085] exit_group(0 [pid 5088] <... exit_group resumed>) = ? [pid 5085] <... exit_group resumed>) = ? [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached ./strace-static-x86_64: Process 5090 attached [pid 5088] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5091] set_robust_list(0x55555730c660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5091 [pid 5090] set_robust_list(0x55555730c660, 24) = 0 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5091] <... prctl resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5090 ./strace-static-x86_64: Process 5093 attached ./strace-static-x86_64: Process 5092 attached [pid 5091] setpgid(0, 0 [pid 5090] <... prctl resumed>) = 0 [pid 5093] set_robust_list(0x55555730c660, 24 [pid 5092] set_robust_list(0x55555730c660, 24 [pid 5091] <... setpgid resumed>) = 0 [pid 5090] setpgid(0, 0 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5092 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5093 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... setpgid resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... openat resumed>) = 3 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... prctl resumed>) = 0 [pid 5092] <... prctl resumed>) = 0 [pid 5094] set_robust_list(0x55555730c660, 24 [pid 5093] setpgid(0, 0 [pid 5091] write(3, "1000", 4 [pid 5092] setpgid(0, 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... setpgid resumed>) = 0 [pid 5091] <... write resumed>) = 4 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] close(3) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5094] <... prctl resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5092] <... setpgid resumed>) = 0 [pid 5091] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5094 [pid 5094] setpgid(0, 0) = 0 [pid 5093] write(3, "1000", 4 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] <... socket resumed>) = 3 [pid 5090] write(3, "1000", 4 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... write resumed>) = 4 [pid 5090] <... write resumed>) = 4 [pid 5094] <... openat resumed>) = 3 [pid 5093] close(3 [pid 5092] <... openat resumed>) = 3 [pid 5091] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5090] close(3 [pid 5093] <... close resumed>) = 0 [pid 5091] <... bind resumed>) = 0 [pid 5094] write(3, "1000", 4 [pid 5093] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5091] listen(3, 536870917 [pid 5094] <... write resumed>) = 4 [pid 5093] <... socket resumed>) = 3 [pid 5091] <... listen resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5092] write(3, "1000", 4 [pid 5094] close(3 [pid 5092] <... write resumed>) = 4 [pid 5090] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5094] <... close resumed>) = 0 [pid 5093] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5092] close(3 [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5094] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5093] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5092] <... close resumed>) = 0 [pid 5091] <... bpf resumed>) = 4 [pid 5090] <... socket resumed>) = 3 [pid 5093] listen(3, 536870917 [pid 5092] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5091] fsopen("cgroup2", 0 [pid 5094] <... socket resumed>) = 3 [pid 5093] <... listen resumed>) = 0 [pid 5092] <... socket resumed>) = 3 [pid 5091] <... fsopen resumed>) = 5 [pid 5090] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5094] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5092] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5091] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5090] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5094] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5093] <... bpf resumed>) = 4 [pid 5092] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5090] listen(3, 536870917 [pid 5092] listen(3, 536870917 [pid 5091] <... fsconfig resumed>) = 0 [pid 5094] listen(3, 536870917 [pid 5090] <... listen resumed>) = 0 [pid 5093] fsopen("cgroup2", 0 [pid 5094] <... listen resumed>) = 0 [pid 5092] <... listen resumed>) = 0 [pid 5091] fsmount(5, 0, 0 [pid 5090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5093] <... fsopen resumed>) = 5 [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5091] <... fsmount resumed>) = 6 [pid 5090] <... bpf resumed>) = 4 [pid 5094] <... bpf resumed>) = 4 [pid 5093] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5092] <... bpf resumed>) = 4 [pid 5091] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5094] fsopen("cgroup2", 0 [pid 5093] <... fsconfig resumed>) = 0 [pid 5092] fsopen("cgroup2", 0 [pid 5091] <... bpf resumed>) = 7 [pid 5090] fsopen("cgroup2", 0 [pid 5094] <... fsopen resumed>) = 5 [pid 5093] fsmount(5, 0, 0 [pid 5092] <... fsopen resumed>) = 5 [pid 5091] exit_group(0 [pid 5090] <... fsopen resumed>) = 5 [pid 5094] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5093] <... fsmount resumed>) = 6 [pid 5092] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5090] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5094] <... fsconfig resumed>) = 0 [pid 5093] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5091] <... exit_group resumed>) = ? [pid 5090] <... fsconfig resumed>) = 0 [pid 5092] <... fsconfig resumed>) = 0 [pid 5094] fsmount(5, 0, 0 [pid 5093] <... bpf resumed>) = 7 [pid 5092] fsmount(5, 0, 0 [pid 5090] fsmount(5, 0, 0 [pid 5094] <... fsmount resumed>) = 6 [pid 5093] exit_group(0 [pid 5092] <... fsmount resumed>) = 6 [pid 5090] <... fsmount resumed>) = 6 [pid 5094] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5093] <... exit_group resumed>) = ? [pid 5092] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5091] +++ exited with 0 +++ [pid 5090] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5094] <... bpf resumed>) = 7 [pid 5092] <... bpf resumed>) = 7 [pid 5090] <... bpf resumed>) = 7 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5092] exit_group(0 [pid 5090] exit_group(0 [pid 5094] exit_group(0 [pid 5092] <... exit_group resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5094] <... exit_group resumed>) = ? [pid 5093] +++ exited with 0 +++ [pid 5092] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5096 attached [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5097 attached ./strace-static-x86_64: Process 5095 attached [pid 5096] set_robust_list(0x55555730c660, 24 [pid 5094] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5096 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5095 [pid 5097] set_robust_list(0x55555730c660, 24 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] set_robust_list(0x55555730c660, 24 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] setpgid(0, 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5097 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5095] <... prctl resumed>) = 0 [pid 5098] set_robust_list(0x55555730c660, 24 [pid 5097] setpgid(0, 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5098 [pid 5095] setpgid(0, 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] <... setpgid resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... setpgid resumed>) = 0 [pid 5098] <... prctl resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] setpgid(0, 0) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] write(3, "1000", 4 [pid 5095] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5099 attached [pid 5096] <... write resumed>) = 4 [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5099 [pid 5099] set_robust_list(0x55555730c660, 24 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] write(3, "1000", 4 [pid 5096] close(3 [pid 5095] write(3, "1000", 4 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5098] <... openat resumed>) = 3 [pid 5096] <... close resumed>) = 0 [pid 5095] <... write resumed>) = 4 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] write(3, "1000", 4 [pid 5097] close(3 [pid 5096] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5095] close(3 [pid 5098] <... write resumed>) = 4 [pid 5097] <... close resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5098] close(3 [pid 5097] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5099] <... prctl resumed>) = 0 [pid 5098] <... close resumed>) = 0 [pid 5097] <... socket resumed>) = 3 [pid 5096] <... socket resumed>) = 3 [pid 5095] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5099] setpgid(0, 0 [pid 5098] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5096] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5099] <... setpgid resumed>) = 0 [pid 5095] <... socket resumed>) = 3 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] <... socket resumed>) = 3 [pid 5096] <... bind resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5097] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5096] listen(3, 536870917 [pid 5095] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5099] write(3, "1000", 4 [pid 5098] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5097] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5096] <... listen resumed>) = 0 [pid 5095] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5098] listen(3, 536870917 [pid 5097] listen(3, 536870917 [pid 5095] listen(3, 536870917 [pid 5098] <... listen resumed>) = 0 [pid 5099] <... write resumed>) = 4 [pid 5097] <... listen resumed>) = 0 [pid 5096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5095] <... listen resumed>) = 0 [pid 5099] close(3 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5099] <... close resumed>) = 0 [pid 5098] <... bpf resumed>) = 4 [pid 5096] <... bpf resumed>) = 4 [pid 5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5099] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5098] fsopen("cgroup2", 0 [pid 5097] <... bpf resumed>) = 4 [pid 5096] fsopen("cgroup2", 0 [pid 5099] <... socket resumed>) = 3 [pid 5098] <... fsopen resumed>) = 5 [pid 5096] <... fsopen resumed>) = 5 [pid 5095] <... bpf resumed>) = 4 [pid 5098] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5097] fsopen("cgroup2", 0 [pid 5096] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5099] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5095] fsopen("cgroup2", 0 [pid 5099] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5097] <... fsopen resumed>) = 5 [pid 5096] <... fsconfig resumed>) = 0 [pid 5095] <... fsopen resumed>) = 5 [pid 5099] listen(3, 536870917 [pid 5097] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5096] fsmount(5, 0, 0 [pid 5095] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5099] <... listen resumed>) = 0 [pid 5096] <... fsmount resumed>) = 6 [pid 5097] <... fsconfig resumed>) = 0 [pid 5095] <... fsconfig resumed>) = 0 [pid 5098] <... fsconfig resumed>) = 0 [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5097] fsmount(5, 0, 0 [pid 5096] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5095] fsmount(5, 0, 0 [pid 5098] fsmount(5, 0, 0 [pid 5097] <... fsmount resumed>) = 6 [pid 5099] <... bpf resumed>) = 4 [pid 5098] <... fsmount resumed>) = 6 [pid 5097] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5096] <... bpf resumed>) = 7 [pid 5095] <... fsmount resumed>) = 6 [pid 5099] fsopen("cgroup2", 0 [pid 5098] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5097] <... bpf resumed>) = 7 [pid 5095] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5096] exit_group(0 [pid 5098] <... bpf resumed>) = 7 [pid 5096] <... exit_group resumed>) = ? [pid 5095] <... bpf resumed>) = 7 [pid 5099] <... fsopen resumed>) = 5 [pid 5097] exit_group(0 [pid 5098] exit_group(0 [pid 5095] exit_group(0 [pid 5099] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5098] <... exit_group resumed>) = ? [pid 5097] <... exit_group resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5095] <... exit_group resumed>) = ? [pid 5099] <... fsconfig resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] fsmount(5, 0, 0) = 6 [pid 5099] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] exit_group(0 [pid 5098] +++ exited with 0 +++ ./strace-static-x86_64: Process 5100 attached [pid 5099] <... exit_group resumed>) = ? [pid 5100] set_robust_list(0x55555730c660, 24) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5099] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5100 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5100] write(3, "1000", 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached [pid 5101] set_robust_list(0x55555730c660, 24 [pid 5100] <... write resumed>) = 4 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] set_robust_list(0x55555730c660, 24 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] close(3 [pid 5102] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5103 attached [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... close resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5101 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] <... prctl resumed>) = 0 [pid 5100] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5103 [pid 5102] <... prctl resumed>) = 0 [pid 5101] setpgid(0, 0 [pid 5103] set_robust_list(0x55555730c660, 24 [pid 5102] setpgid(0, 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] <... socket resumed>) = 3 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5102 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28./strace-static-x86_64: Process 5104 attached [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... bind resumed>) = 0 [pid 5103] <... prctl resumed>) = 0 [pid 5104] set_robust_list(0x55555730c660, 24 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] listen(3, 536870917 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5104 [pid 5101] <... openat resumed>) = 3 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] setpgid(0, 0 [pid 5102] <... openat resumed>) = 3 [pid 5101] write(3, "1000", 4 [pid 5100] <... listen resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... setpgid resumed>) = 0 [pid 5102] write(3, "1000", 4 [pid 5101] <... write resumed>) = 4 [pid 5100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5104] <... prctl resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... write resumed>) = 4 [pid 5101] close(3 [pid 5100] <... bpf resumed>) = 4 [pid 5104] setpgid(0, 0 [pid 5103] <... openat resumed>) = 3 [pid 5102] close(3 [pid 5101] <... close resumed>) = 0 [pid 5100] fsopen("cgroup2", 0 [pid 5104] <... setpgid resumed>) = 0 [pid 5103] write(3, "1000", 4 [pid 5102] <... close resumed>) = 0 [pid 5101] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5100] <... fsopen resumed>) = 5 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] <... write resumed>) = 4 [pid 5102] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5101] <... socket resumed>) = 3 [pid 5100] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5103] close(3 [pid 5102] <... socket resumed>) = 3 [pid 5104] <... openat resumed>) = 3 [pid 5103] <... close resumed>) = 0 [pid 5103] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5100] <... fsconfig resumed>) = 0 [pid 5104] write(3, "1000", 4 [pid 5103] <... socket resumed>) = 3 [pid 5102] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5101] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5100] fsmount(5, 0, 0 [pid 5104] <... write resumed>) = 4 [pid 5102] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5101] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5104] close(3 [pid 5102] listen(3, 536870917 [pid 5101] listen(3, 536870917 [pid 5100] <... fsmount resumed>) = 6 [pid 5104] <... close resumed>) = 0 [pid 5102] <... listen resumed>) = 0 [pid 5100] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5104] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5101] <... listen resumed>) = 0 [pid 5104] <... socket resumed>) = 3 [pid 5100] <... bpf resumed>) = 7 [pid 5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5104] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5103] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5102] <... bpf resumed>) = 4 [pid 5100] exit_group(0 [pid 5103] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5101] <... bpf resumed>) = 4 [pid 5103] listen(3, 536870917 [pid 5104] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5103] <... listen resumed>) = 0 [pid 5102] fsopen("cgroup2", 0 [pid 5101] fsopen("cgroup2", 0 [pid 5100] <... exit_group resumed>) = ? [pid 5104] listen(3, 536870917 [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5101] <... fsopen resumed>) = 5 [pid 5104] <... listen resumed>) = 0 [pid 5102] <... fsopen resumed>) = 5 [pid 5101] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5102] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5101] <... fsconfig resumed>) = 0 [pid 5104] <... bpf resumed>) = 4 [pid 5103] <... bpf resumed>) = 4 [pid 5102] <... fsconfig resumed>) = 0 [pid 5101] fsmount(5, 0, 0 [pid 5100] +++ exited with 0 +++ [pid 5103] fsopen("cgroup2", 0 [pid 5101] <... fsmount resumed>) = 6 [pid 5104] fsopen("cgroup2", 0 [pid 5102] fsmount(5, 0, 0 [pid 5101] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5104] <... fsopen resumed>) = 5 [pid 5103] <... fsopen resumed>) = 5 [pid 5102] <... fsmount resumed>) = 6 [pid 5101] <... bpf resumed>) = 7 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5104] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5103] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5102] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5104] <... fsconfig resumed>) = 0 [pid 5103] <... fsconfig resumed>) = 0 [pid 5102] <... bpf resumed>) = 7 [pid 5101] exit_group(0 [pid 5104] fsmount(5, 0, 0 [pid 5103] fsmount(5, 0, 0 [pid 5102] exit_group(0 [pid 5101] <... exit_group resumed>) = ? [pid 5104] <... fsmount resumed>) = 6 [pid 5103] <... fsmount resumed>) = 6 [pid 5102] <... exit_group resumed>) = ? [pid 5104] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5103] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16./strace-static-x86_64: Process 5105 attached [pid 5104] exit_group(0 [pid 5103] <... bpf resumed>) = 7 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5105 [pid 5105] set_robust_list(0x55555730c660, 24 [pid 5104] <... exit_group resumed>) = ? [pid 5103] exit_group(0 [pid 5102] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] <... set_robust_list resumed>) = 0 [pid 5103] <... exit_group resumed>) = ? [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5105] <... setpgid resumed>) = 0 [pid 5103] +++ exited with 0 +++ [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] <... openat resumed>) = 3 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5106 ./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x55555730c660, 24 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] write(3, "1000", 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached [pid 5106] <... prctl resumed>) = 0 [pid 5105] <... write resumed>) = 4 [pid 5104] +++ exited with 0 +++ [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5107 [pid 5107] set_robust_list(0x55555730c660, 24 [pid 5106] setpgid(0, 0 [pid 5105] close(3 [pid 5106] <... setpgid resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached ./strace-static-x86_64: Process 5108 attached [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... openat resumed>) = 3 [pid 5105] <... close resumed>) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5109] set_robust_list(0x55555730c660, 24 [pid 5108] set_robust_list(0x55555730c660, 24 [pid 5107] <... prctl resumed>) = 0 [pid 5106] write(3, "1000", 4 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5109 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] setpgid(0, 0 [pid 5106] <... write resumed>) = 4 [pid 5105] <... socket resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5108 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... setpgid resumed>) = 0 [pid 5106] close(3 [pid 5109] <... prctl resumed>) = 0 [pid 5108] <... prctl resumed>) = 0 [pid 5106] <... close resumed>) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5109] setpgid(0, 0 [pid 5108] setpgid(0, 0 [pid 5106] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5105] <... bind resumed>) = 0 [pid 5107] <... openat resumed>) = 3 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] <... setpgid resumed>) = 0 [pid 5107] write(3, "1000", 4 [pid 5106] <... socket resumed>) = 3 [pid 5105] listen(3, 536870917 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] <... write resumed>) = 4 [pid 5105] <... listen resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5109] <... openat resumed>) = 3 [pid 5108] <... openat resumed>) = 3 [pid 5107] close(3 [pid 5105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5109] write(3, "1000", 4 [pid 5108] write(3, "1000", 4 [pid 5107] <... close resumed>) = 0 [pid 5106] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5108] <... write resumed>) = 4 [pid 5107] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5106] listen(3, 536870917 [pid 5109] <... write resumed>) = 4 [pid 5108] close(3 [pid 5109] close(3 [pid 5108] <... close resumed>) = 0 [pid 5107] <... socket resumed>) = 3 [pid 5109] <... close resumed>) = 0 [pid 5108] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5106] <... listen resumed>) = 0 [pid 5109] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5105] <... bpf resumed>) = 4 [pid 5107] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5108] <... socket resumed>) = 3 [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5109] <... socket resumed>) = 3 [pid 5108] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5107] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5105] fsopen("cgroup2", 0 [pid 5108] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5108] listen(3, 536870917 [pid 5107] listen(3, 536870917 [pid 5105] <... fsopen resumed>) = 5 [pid 5108] <... listen resumed>) = 0 [pid 5109] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5107] <... listen resumed>) = 0 [pid 5105] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5109] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5108] <... bpf resumed>) = 4 [pid 5106] <... bpf resumed>) = 4 [pid 5105] <... fsconfig resumed>) = 0 [pid 5109] listen(3, 536870917) = 0 [pid 5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5108] fsopen("cgroup2", 0 [pid 5106] fsopen("cgroup2", 0 [pid 5105] fsmount(5, 0, 0 [pid 5108] <... fsopen resumed>) = 5 [pid 5107] <... bpf resumed>) = 4 [pid 5108] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5109] <... bpf resumed>) = 4 [pid 5108] <... fsconfig resumed>) = 0 [pid 5107] fsopen("cgroup2", 0 [pid 5108] fsmount(5, 0, 0 [pid 5106] <... fsopen resumed>) = 5 [pid 5105] <... fsmount resumed>) = 6 [pid 5109] fsopen("cgroup2", 0 [pid 5108] <... fsmount resumed>) = 6 [pid 5107] <... fsopen resumed>) = 5 [pid 5106] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5105] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5109] <... fsopen resumed>) = 5 [pid 5108] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5107] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5106] <... fsconfig resumed>) = 0 [pid 5105] <... bpf resumed>) = 7 [pid 5109] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5108] <... bpf resumed>) = 7 [pid 5107] <... fsconfig resumed>) = 0 [pid 5106] fsmount(5, 0, 0 [pid 5108] exit_group(0 [pid 5107] fsmount(5, 0, 0 [pid 5105] exit_group(0 [pid 5109] <... fsconfig resumed>) = 0 [pid 5108] <... exit_group resumed>) = ? [pid 5107] <... fsmount resumed>) = 6 [pid 5106] <... fsmount resumed>) = 6 [pid 5105] <... exit_group resumed>) = ? [pid 5109] fsmount(5, 0, 0 [pid 5106] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5109] <... fsmount resumed>) = 6 [pid 5107] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5106] <... bpf resumed>) = 7 [pid 5107] <... bpf resumed>) = 7 [pid 5107] exit_group(0) = ? [pid 5109] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5106] exit_group(0 [pid 5109] exit_group(0 [pid 5106] <... exit_group resumed>) = ? [pid 5108] +++ exited with 0 +++ [pid 5109] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] +++ exited with 0 +++ [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5110 ./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x55555730c660, 24./strace-static-x86_64: Process 5111 attached [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] set_robust_list(0x55555730c660, 24) = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0 [pid 5109] +++ exited with 0 +++ [pid 5110] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5112 attached [pid 5111] <... setpgid resumed>) = 0 [pid 5106] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5111 [pid 5112] set_robust_list(0x55555730c660, 24 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5112 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5110] <... prctl resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] <... openat resumed>) = 3 [pid 5110] setpgid(0, 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5112] <... prctl resumed>) = 0 [pid 5110] <... setpgid resumed>) = 0 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5111] write(3, "1000", 4 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... setpgid resumed>) = 0 [pid 5111] <... write resumed>) = 4 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] close(3 [pid 5110] <... openat resumed>) = 3 [pid 5112] <... openat resumed>) = 3 [pid 5110] write(3, "1000", 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached [pid 5112] write(3, "1000", 4 [pid 5111] <... close resumed>) = 0 [pid 5110] <... write resumed>) = 4 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5113 ./strace-static-x86_64: Process 5114 attached [pid 5113] set_robust_list(0x55555730c660, 24 [pid 5112] <... write resumed>) = 4 [pid 5111] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5110] close(3 [pid 5114] set_robust_list(0x55555730c660, 24 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] close(3 [pid 5111] <... socket resumed>) = 3 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5114 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5112] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] <... socket resumed>) = 3 [pid 5111] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5110] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5114] <... prctl resumed>) = 0 [pid 5113] <... prctl resumed>) = 0 [pid 5112] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5111] <... bind resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5113] setpgid(0, 0 [pid 5112] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5111] listen(3, 536870917 [pid 5110] <... socket resumed>) = 3 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5112] listen(3, 536870917 [pid 5111] <... listen resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5114] <... openat resumed>) = 3 [pid 5112] <... listen resumed>) = 0 [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5114] write(3, "1000", 4 [pid 5113] <... openat resumed>) = 3 [pid 5112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5110] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5114] <... write resumed>) = 4 [pid 5113] write(3, "1000", 4 [pid 5112] <... bpf resumed>) = 4 [pid 5111] <... bpf resumed>) = 4 [pid 5110] listen(3, 536870917 [pid 5114] close(3 [pid 5113] <... write resumed>) = 4 [pid 5112] fsopen("cgroup2", 0 [pid 5111] fsopen("cgroup2", 0 [pid 5110] <... listen resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] close(3 [pid 5112] <... fsopen resumed>) = 5 [pid 5111] <... fsopen resumed>) = 5 [pid 5110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5114] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5113] <... close resumed>) = 0 [pid 5112] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5111] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5113] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3 [pid 5110] <... bpf resumed>) = 4 [pid 5112] <... fsconfig resumed>) = 0 [pid 5111] <... fsconfig resumed>) = 0 [pid 5114] <... socket resumed>) = 3 [pid 5114] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5113] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5112] fsmount(5, 0, 0 [pid 5111] fsmount(5, 0, 0 [pid 5110] fsopen("cgroup2", 0 [pid 5114] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5113] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5111] <... fsmount resumed>) = 6 [pid 5114] listen(3, 536870917 [pid 5113] listen(3, 536870917 [pid 5112] <... fsmount resumed>) = 6 [pid 5111] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5110] <... fsopen resumed>) = 5 [pid 5114] <... listen resumed>) = 0 [pid 5113] <... listen resumed>) = 0 [pid 5112] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5111] <... bpf resumed>) = 7 [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5112] <... bpf resumed>) = 7 [pid 5111] exit_group(0 [pid 5110] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5114] <... bpf resumed>) = 4 [pid 5112] exit_group(0 [pid 5111] <... exit_group resumed>) = ? [pid 5110] <... fsconfig resumed>) = 0 [pid 5114] fsopen("cgroup2", 0 [pid 5113] <... bpf resumed>) = 4 [pid 5112] <... exit_group resumed>) = ? [pid 5110] fsmount(5, 0, 0 [pid 5114] <... fsopen resumed>) = 5 [pid 5113] fsopen("cgroup2", 0 [pid 5110] <... fsmount resumed>) = 6 [pid 5114] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5113] <... fsopen resumed>) = 5 [pid 5110] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5114] <... fsconfig resumed>) = 0 [pid 5113] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5112] +++ exited with 0 +++ [pid 5111] +++ exited with 0 +++ [pid 5110] <... bpf resumed>) = 7 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5114] fsmount(5, 0, 0 [pid 5113] <... fsconfig resumed>) = 0 [pid 5110] exit_group(0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5114] <... fsmount resumed>) = 6 [pid 5113] fsmount(5, 0, 0 [pid 5114] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5113] <... fsmount resumed>) = 6 [pid 5110] <... exit_group resumed>) = ? [pid 5114] <... bpf resumed>) = 7 [pid 5113] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5114] exit_group(0 [pid 5113] <... bpf resumed>) = 7 [pid 5114] <... exit_group resumed>) = ? [pid 5113] exit_group(0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] <... exit_group resumed>) = ? [pid 5110] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached ./strace-static-x86_64: Process 5115 attached [pid 5114] +++ exited with 0 +++ [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5115 [pid 5115] set_robust_list(0x55555730c660, 24 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5116 ./strace-static-x86_64: Process 5116 attached [pid 5117] set_robust_list(0x55555730c660, 24 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5113] +++ exited with 0 +++ [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5117 [pid 5116] set_robust_list(0x55555730c660, 24 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5116] <... set_robust_list resumed>) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5115] <... prctl resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] setpgid(0, 0 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5078] <... restart_syscall resumed>) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... prctl resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5116] setpgid(0, 0 [pid 5117] <... prctl resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] <... setpgid resumed>) = 0 [pid 5117] setpgid(0, 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] <... setpgid resumed>) = 0 [pid 5115] <... openat resumed>) = 3 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [pid 5118] set_robust_list(0x55555730c660, 24 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] write(3, "1000", 4 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5119] set_robust_list(0x55555730c660, 24 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... openat resumed>) = 3 [pid 5115] <... write resumed>) = 4 [pid 5116] write(3, "1000", 4 [pid 5117] <... openat resumed>) = 3 [pid 5116] <... write resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5118 [pid 5116] close(3 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5119 [pid 5116] <... close resumed>) = 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... prctl resumed>) = 0 [pid 5116] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5117] write(3, "1000", 4 [pid 5115] close(3 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] setpgid(0, 0 [pid 5116] <... socket resumed>) = 3 [pid 5117] <... write resumed>) = 4 [pid 5115] <... close resumed>) = 0 [pid 5118] <... setpgid resumed>) = 0 [pid 5117] close(3 [pid 5115] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5119] <... prctl resumed>) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5117] <... close resumed>) = 0 [pid 5115] <... socket resumed>) = 3 [pid 5119] setpgid(0, 0 [pid 5116] listen(3, 536870917 [pid 5117] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5118] <... openat resumed>) = 3 [pid 5116] <... listen resumed>) = 0 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5117] <... socket resumed>) = 3 [pid 5119] <... setpgid resumed>) = 0 [pid 5118] write(3, "1000", 4 [pid 5115] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] <... write resumed>) = 4 [pid 5116] <... bpf resumed>) = 4 [pid 5117] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5115] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5118] close(3) = 0 [pid 5115] listen(3, 536870917 [pid 5118] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5116] fsopen("cgroup2", 0 [pid 5119] <... openat resumed>) = 3 [pid 5116] <... fsopen resumed>) = 5 [pid 5116] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5118] <... socket resumed>) = 3 [pid 5119] write(3, "1000", 4 [pid 5117] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5115] <... listen resumed>) = 0 [pid 5119] <... write resumed>) = 4 [pid 5118] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5116] <... fsconfig resumed>) = 0 [pid 5117] listen(3, 536870917 [pid 5115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5119] close(3 [pid 5118] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5116] fsmount(5, 0, 0 [pid 5117] <... listen resumed>) = 0 [pid 5119] <... close resumed>) = 0 [pid 5118] listen(3, 536870917 [pid 5116] <... fsmount resumed>) = 6 [pid 5117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5119] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5118] <... listen resumed>) = 0 [pid 5116] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5115] <... bpf resumed>) = 4 [pid 5116] exit_group(0 [pid 5117] <... bpf resumed>) = 4 [pid 5119] <... socket resumed>) = 3 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5116] <... exit_group resumed>) = ? [pid 5115] fsopen("cgroup2", 0 [pid 5119] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5117] fsopen("cgroup2", 0 [pid 5115] <... fsopen resumed>) = 5 [pid 5115] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5119] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5115] <... fsconfig resumed>) = 0 [pid 5119] listen(3, 536870917 [pid 5118] <... bpf resumed>) = 4 [pid 5117] <... fsopen resumed>) = 5 [pid 5115] fsmount(5, 0, 0 [pid 5119] <... listen resumed>) = 0 [pid 5115] <... fsmount resumed>) = 6 [pid 5119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5117] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5118] fsopen("cgroup2", 0 [pid 5116] +++ exited with 0 +++ [pid 5115] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5118] <... fsopen resumed>) = 5 [pid 5115] <... bpf resumed>) = 7 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5119] <... bpf resumed>) = 4 [pid 5118] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5117] <... fsconfig resumed>) = 0 [pid 5115] exit_group(0 [pid 5119] fsopen("cgroup2", 0 [pid 5118] <... fsconfig resumed>) = 0 [pid 5117] fsmount(5, 0, 0 [pid 5115] <... exit_group resumed>) = ? [pid 5119] <... fsopen resumed>) = 5 [pid 5118] fsmount(5, 0, 0 [pid 5117] <... fsmount resumed>) = 6 [pid 5119] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5117] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5119] <... fsconfig resumed>) = 0 [pid 5117] <... bpf resumed>) = 7 [pid 5119] fsmount(5, 0, 0) = 6 [pid 5118] <... fsmount resumed>) = 6 [pid 5117] exit_group(0 [pid 5119] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5118] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5115] +++ exited with 0 +++ [pid 5119] <... bpf resumed>) = 7 [pid 5118] <... bpf resumed>) = 7 [pid 5117] <... exit_group resumed>) = ? [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5119] exit_group(0 [pid 5118] exit_group(0 [pid 5119] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5120 attached [pid 5118] <... exit_group resumed>) = ? [pid 5117] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5120 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5120] set_robust_list(0x55555730c660, 24 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5121 attached [pid 5120] <... set_robust_list resumed>) = 0 [pid 5121] set_robust_list(0x55555730c660, 24 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] +++ exited with 0 +++ [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5121 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] <... prctl resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5122 attached ./strace-static-x86_64: Process 5123 attached ) = 0 [pid 5120] setpgid(0, 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] set_robust_list(0x55555730c660, 24 [pid 5121] setpgid(0, 0 [pid 5120] <... setpgid resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5122 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5123 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] set_robust_list(0x55555730c660, 24 [pid 5121] <... setpgid resumed>) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5123] <... prctl resumed>) = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... openat resumed>) = 3 [pid 5124] set_robust_list(0x55555730c660, 24 [pid 5123] setpgid(0, 0 [pid 5122] <... prctl resumed>) = 0 [pid 5121] write(3, "1000", 4 [pid 5120] <... openat resumed>) = 3 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... setpgid resumed>) = 0 [pid 5122] setpgid(0, 0 [pid 5121] <... write resumed>) = 4 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] <... setpgid resumed>) = 0 [pid 5121] close(3 [pid 5120] write(3, "1000", 4 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5124 [pid 5124] <... prctl resumed>) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] <... close resumed>) = 0 [pid 5120] <... write resumed>) = 4 [pid 5124] setpgid(0, 0 [pid 5123] write(3, "1000", 4 [pid 5121] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5120] close(3 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... write resumed>) = 4 [pid 5122] <... openat resumed>) = 3 [pid 5121] <... socket resumed>) = 3 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] close(3 [pid 5121] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5120] <... close resumed>) = 0 [pid 5123] <... close resumed>) = 0 [pid 5124] <... openat resumed>) = 3 [pid 5123] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5122] write(3, "1000", 4 [pid 5121] <... bind resumed>) = 0 [pid 5120] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5124] write(3, "1000", 4 [pid 5123] <... socket resumed>) = 3 [pid 5122] <... write resumed>) = 4 [pid 5121] listen(3, 536870917 [pid 5120] <... socket resumed>) = 3 [pid 5124] <... write resumed>) = 4 [pid 5123] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5122] close(3 [pid 5121] <... listen resumed>) = 0 [pid 5124] close(3 [pid 5122] <... close resumed>) = 0 [pid 5121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5124] <... close resumed>) = 0 [pid 5123] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5122] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5121] <... bpf resumed>) = 4 [pid 5120] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5124] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5123] listen(3, 536870917 [pid 5122] <... socket resumed>) = 3 [pid 5120] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5124] <... socket resumed>) = 3 [pid 5123] <... listen resumed>) = 0 [pid 5120] listen(3, 536870917 [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5122] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5120] <... listen resumed>) = 0 [pid 5124] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5121] fsopen("cgroup2", 0 [pid 5124] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5123] <... bpf resumed>) = 4 [pid 5122] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5121] <... fsopen resumed>) = 5 [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5124] listen(3, 536870917 [pid 5123] fsopen("cgroup2", 0 [pid 5122] listen(3, 536870917 [pid 5121] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5124] <... listen resumed>) = 0 [pid 5123] <... fsopen resumed>) = 5 [pid 5122] <... listen resumed>) = 0 [pid 5121] <... fsconfig resumed>) = 0 [pid 5120] <... bpf resumed>) = 4 [pid 5124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5123] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5124] <... bpf resumed>) = 4 [pid 5123] <... fsconfig resumed>) = 0 [pid 5121] fsmount(5, 0, 0 [pid 5120] fsopen("cgroup2", 0 [pid 5124] fsopen("cgroup2", 0 [pid 5123] fsmount(5, 0, 0 [pid 5122] <... bpf resumed>) = 4 [pid 5121] <... fsmount resumed>) = 6 [pid 5120] <... fsopen resumed>) = 5 [pid 5124] <... fsopen resumed>) = 5 [pid 5123] <... fsmount resumed>) = 6 [pid 5121] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5120] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5124] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5122] fsopen("cgroup2", 0 [pid 5121] <... bpf resumed>) = 7 [pid 5124] <... fsconfig resumed>) = 0 [pid 5123] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5122] <... fsopen resumed>) = 5 [pid 5121] exit_group(0 [pid 5120] <... fsconfig resumed>) = 0 [pid 5123] <... bpf resumed>) = 7 [pid 5120] fsmount(5, 0, 0 [pid 5124] fsmount(5, 0, 0 [pid 5122] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5121] <... exit_group resumed>) = ? [pid 5124] <... fsmount resumed>) = 6 [pid 5123] exit_group(0 [pid 5122] <... fsconfig resumed>) = 0 [pid 5120] <... fsmount resumed>) = 6 [pid 5124] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5122] fsmount(5, 0, 0 [pid 5121] +++ exited with 0 +++ [pid 5123] <... exit_group resumed>) = ? [pid 5120] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5124] <... bpf resumed>) = 7 [pid 5122] <... fsmount resumed>) = 6 [pid 5120] <... bpf resumed>) = 7 [pid 5124] exit_group(0 [pid 5122] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5124] <... exit_group resumed>) = ? [pid 5122] <... bpf resumed>) = 7 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] exit_group(0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5120] <... exit_group resumed>) = ? [pid 5122] exit_group(0) = ? [pid 5123] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5125 ./strace-static-x86_64: Process 5125 attached [pid 5124] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] set_robust_list(0x55555730c660, 24 [pid 5122] +++ exited with 0 +++ [pid 5125] <... set_robust_list resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] +++ exited with 0 +++ [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] <... prctl resumed>) = 0 [pid 5125] setpgid(0, 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached ./strace-static-x86_64: Process 5126 attached ./strace-static-x86_64: Process 5127 attached [pid 5125] <... setpgid resumed>) = 0 [pid 5127] set_robust_list(0x55555730c660, 24 [pid 5128] set_robust_list(0x55555730c660, 24 [pid 5126] set_robust_list(0x55555730c660, 24 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5126 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5127 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] <... openat resumed>) = 3 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5128 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5128] <... prctl resumed>) = 0 [pid 5126] <... prctl resumed>) = 0 [pid 5127] <... prctl resumed>) = 0 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5128] setpgid(0, 0 [pid 5126] setpgid(0, 0./strace-static-x86_64: Process 5129 attached [pid 5128] <... setpgid resumed>) = 0 [pid 5126] <... setpgid resumed>) = 0 [pid 5127] setpgid(0, 0 [pid 5125] <... socket resumed>) = 3 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5129 [pid 5129] set_robust_list(0x55555730c660, 24 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... setpgid resumed>) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] <... openat resumed>) = 3 [pid 5125] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... openat resumed>) = 3 [pid 5126] write(3, "1000", 4 [pid 5127] <... openat resumed>) = 3 [pid 5125] <... bind resumed>) = 0 [pid 5129] <... prctl resumed>) = 0 [pid 5128] write(3, "1000", 4 [pid 5126] <... write resumed>) = 4 [pid 5127] write(3, "1000", 4 [pid 5125] listen(3, 536870917 [pid 5129] setpgid(0, 0 [pid 5128] <... write resumed>) = 4 [pid 5126] close(3 [pid 5127] <... write resumed>) = 4 [pid 5125] <... listen resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] close(3 [pid 5126] <... close resumed>) = 0 [pid 5127] close(3 [pid 5125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] <... close resumed>) = 0 [pid 5126] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5127] <... close resumed>) = 0 [pid 5125] <... bpf resumed>) = 4 [pid 5129] <... openat resumed>) = 3 [pid 5128] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5126] <... socket resumed>) = 3 [pid 5127] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5125] fsopen("cgroup2", 0 [pid 5128] <... socket resumed>) = 3 [pid 5125] <... fsopen resumed>) = 5 [pid 5129] write(3, "1000", 4 [pid 5128] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5127] <... socket resumed>) = 3 [pid 5125] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5129] <... write resumed>) = 4 [pid 5128] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5126] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5127] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5125] <... fsconfig resumed>) = 0 [pid 5129] close(3 [pid 5128] listen(3, 536870917 [pid 5126] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5127] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5128] <... listen resumed>) = 0 [pid 5126] listen(3, 536870917 [pid 5127] listen(3, 536870917 [pid 5128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5126] <... listen resumed>) = 0 [pid 5127] <... listen resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5125] fsmount(5, 0, 0 [pid 5129] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5128] <... bpf resumed>) = 4 [pid 5126] <... bpf resumed>) = 4 [pid 5125] <... fsmount resumed>) = 6 [pid 5129] <... socket resumed>) = 3 [pid 5128] fsopen("cgroup2", 0 [pid 5126] fsopen("cgroup2", 0 [pid 5127] <... bpf resumed>) = 4 [pid 5125] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5129] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5128] <... fsopen resumed>) = 5 [pid 5126] <... fsopen resumed>) = 5 [pid 5127] fsopen("cgroup2", 0 [pid 5125] <... bpf resumed>) = 7 [pid 5129] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5128] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5126] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5127] <... fsopen resumed>) = 5 [pid 5125] exit_group(0 [pid 5129] listen(3, 536870917 [pid 5128] <... fsconfig resumed>) = 0 [pid 5126] <... fsconfig resumed>) = 0 [pid 5127] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5129] <... listen resumed>) = 0 [pid 5128] fsmount(5, 0, 0 [pid 5126] fsmount(5, 0, 0 [pid 5127] <... fsconfig resumed>) = 0 [pid 5125] <... exit_group resumed>) = ? [pid 5129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5128] <... fsmount resumed>) = 6 [pid 5126] <... fsmount resumed>) = 6 [pid 5127] fsmount(5, 0, 0 [pid 5128] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5126] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5127] <... fsmount resumed>) = 6 [pid 5127] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5128] <... bpf resumed>) = 7 [pid 5129] <... bpf resumed>) = 4 [pid 5128] exit_group(0 [pid 5126] <... bpf resumed>) = 7 [pid 5127] <... bpf resumed>) = 7 [pid 5128] <... exit_group resumed>) = ? [pid 5126] exit_group(0 [pid 5125] +++ exited with 0 +++ [pid 5129] fsopen("cgroup2", 0) = 5 [pid 5126] <... exit_group resumed>) = ? [pid 5127] exit_group(0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5129] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5127] <... exit_group resumed>) = ? [pid 5129] <... fsconfig resumed>) = 0 [pid 5129] fsmount(5, 0, 0) = 6 [pid 5129] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5129] exit_group(0 [pid 5128] +++ exited with 0 +++ [pid 5126] +++ exited with 0 +++ [pid 5127] +++ exited with 0 +++ [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] <... exit_group resumed>) = ? [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5130 attached [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] set_robust_list(0x55555730c660, 24 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5130 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5131 attached [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] +++ exited with 0 +++ [pid 5130] <... prctl resumed>) = 0 [pid 5131] set_robust_list(0x55555730c660, 24 [pid 5130] setpgid(0, 0./strace-static-x86_64: Process 5132 attached [pid 5131] <... set_robust_list resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] <... setpgid resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5131 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5132 [pid 5132] set_robust_list(0x55555730c660, 24 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] <... prctl resumed>) = 0 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5130] <... openat resumed>) = 3 [pid 5130] write(3, "1000", 4./strace-static-x86_64: Process 5133 attached [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] setpgid(0, 0 [pid 5130] <... write resumed>) = 4 [pid 5133] set_robust_list(0x55555730c660, 24 [pid 5132] <... prctl resumed>) = 0 [pid 5131] <... setpgid resumed>) = 0 [pid 5130] close(3 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] setpgid(0, 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5133 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] <... setpgid resumed>) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5130] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] <... prctl resumed>) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] write(3, "1000", 4 [pid 5130] <... socket resumed>) = 3 [pid 5133] setpgid(0, 0 [pid 5132] <... openat resumed>) = 3 [pid 5131] <... write resumed>) = 4 [pid 5130] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5133] <... setpgid resumed>) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... bind resumed>) = 0 [pid 5131] close(3 [pid 5132] write(3, "1000", 4./strace-static-x86_64: Process 5134 attached [pid 5131] <... close resumed>) = 0 [pid 5132] <... write resumed>) = 4 [pid 5131] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5134 [pid 5134] set_robust_list(0x55555730c660, 24 [pid 5132] close(3 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] <... openat resumed>) = 3 [pid 5131] <... socket resumed>) = 3 [pid 5130] listen(3, 536870917 [pid 5132] <... close resumed>) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] write(3, "1000", 4 [pid 5131] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5130] <... listen resumed>) = 0 [pid 5132] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5134] <... prctl resumed>) = 0 [pid 5131] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5134] setpgid(0, 0 [pid 5133] <... write resumed>) = 4 [pid 5132] <... socket resumed>) = 3 [pid 5131] listen(3, 536870917 [pid 5130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5134] <... setpgid resumed>) = 0 [pid 5133] close(3 [pid 5132] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5131] <... listen resumed>) = 0 [pid 5130] <... bpf resumed>) = 4 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] <... close resumed>) = 0 [pid 5132] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5134] <... openat resumed>) = 3 [pid 5133] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5132] listen(3, 536870917 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5130] fsopen("cgroup2", 0 [pid 5134] write(3, "1000", 4 [pid 5133] <... socket resumed>) = 3 [pid 5132] <... listen resumed>) = 0 [pid 5134] <... write resumed>) = 4 [pid 5133] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5130] <... fsopen resumed>) = 5 [pid 5133] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5131] <... bpf resumed>) = 4 [pid 5130] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5133] listen(3, 536870917 [pid 5130] <... fsconfig resumed>) = 0 [pid 5134] close(3 [pid 5133] <... listen resumed>) = 0 [pid 5130] fsmount(5, 0, 0 [pid 5134] <... close resumed>) = 0 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5132] <... bpf resumed>) = 4 [pid 5131] fsopen("cgroup2", 0 [pid 5130] <... fsmount resumed>) = 6 [pid 5134] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5133] <... bpf resumed>) = 4 [pid 5130] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5134] <... socket resumed>) = 3 [pid 5130] <... bpf resumed>) = 7 [pid 5131] <... fsopen resumed>) = 5 [pid 5130] exit_group(0 [pid 5134] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5133] fsopen("cgroup2", 0 [pid 5132] fsopen("cgroup2", 0 [pid 5131] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5134] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5133] <... fsopen resumed>) = 5 [pid 5130] <... exit_group resumed>) = ? [pid 5132] <... fsopen resumed>) = 5 [pid 5134] listen(3, 536870917 [pid 5133] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5131] <... fsconfig resumed>) = 0 [pid 5131] fsmount(5, 0, 0 [pid 5133] <... fsconfig resumed>) = 0 [pid 5133] fsmount(5, 0, 0) = 6 [pid 5133] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5134] <... listen resumed>) = 0 [pid 5133] exit_group(0 [pid 5132] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5131] <... fsmount resumed>) = 6 [pid 5130] +++ exited with 0 +++ [pid 5134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5133] <... exit_group resumed>) = ? [pid 5132] <... fsconfig resumed>) = 0 [pid 5131] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5134] <... bpf resumed>) = 4 [pid 5132] fsmount(5, 0, 0 [pid 5131] <... bpf resumed>) = 7 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5133] +++ exited with 0 +++ [pid 5134] fsopen("cgroup2", 0 [pid 5132] <... fsmount resumed>) = 6 [pid 5131] exit_group(0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5134] <... fsopen resumed>) = 5 [pid 5132] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5131] <... exit_group resumed>) = ? [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... bpf resumed>) = 7 [pid 5134] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0) = 0 [pid 5134] fsmount(5, 0, 0) = 6 [pid 5134] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16) = 7 [pid 5132] exit_group(0 [pid 5134] exit_group(0) = ? [pid 5131] +++ exited with 0 +++ ./strace-static-x86_64: Process 5135 attached [pid 5132] <... exit_group resumed>) = ? [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5135 [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5135] set_robust_list(0x55555730c660, 24 [pid 5134] +++ exited with 0 +++ ./strace-static-x86_64: Process 5136 attached [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5136 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5136] set_robust_list(0x55555730c660, 24 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... prctl resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5135] setpgid(0, 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5135] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5137 attached [pid 5136] setpgid(0, 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] set_robust_list(0x55555730c660, 24 [pid 5135] <... openat resumed>) = 3 [pid 5132] +++ exited with 0 +++ ./strace-static-x86_64: Process 5138 attached [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] <... setpgid resumed>) = 0 [pid 5135] write(3, "1000", 4 [pid 5138] set_robust_list(0x55555730c660, 24 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] <... write resumed>) = 4 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5137 [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5138 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] <... prctl resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5135] close(3 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... restart_syscall resumed>) = 0 [pid 5138] <... prctl resumed>) = 0 [pid 5135] <... close resumed>) = 0 [pid 5136] write(3, "1000", 4 [pid 5138] setpgid(0, 0 [pid 5137] setpgid(0, 0 [pid 5136] <... write resumed>) = 4 [pid 5135] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5138] <... setpgid resumed>) = 0 [pid 5137] <... setpgid resumed>) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] close(3 [pid 5135] <... socket resumed>) = 3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] <... openat resumed>) = 3 [pid 5138] <... openat resumed>) = 3 [pid 5136] <... close resumed>) = 0 [pid 5137] write(3, "1000", 4./strace-static-x86_64: Process 5139 attached [pid 5138] write(3, "1000", 4 [pid 5136] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5135] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5139] set_robust_list(0x55555730c660, 24 [pid 5138] <... write resumed>) = 4 [pid 5137] <... write resumed>) = 4 [pid 5136] <... socket resumed>) = 3 [pid 5135] <... bind resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5139 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] close(3 [pid 5137] close(3 [pid 5136] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5135] listen(3, 536870917 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] <... close resumed>) = 0 [pid 5137] <... close resumed>) = 0 [pid 5135] <... listen resumed>) = 0 [pid 5138] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5137] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5136] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5136] listen(3, 536870917 [pid 5139] <... prctl resumed>) = 0 [pid 5138] <... socket resumed>) = 3 [pid 5137] <... socket resumed>) = 3 [pid 5136] <... listen resumed>) = 0 [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5139] setpgid(0, 0 [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5139] <... setpgid resumed>) = 0 [pid 5138] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5137] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5136] <... bpf resumed>) = 4 [pid 5135] <... bpf resumed>) = 4 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5137] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5135] fsopen("cgroup2", 0 [pid 5139] <... openat resumed>) = 3 [pid 5138] listen(3, 536870917 [pid 5137] listen(3, 536870917 [pid 5136] fsopen("cgroup2", 0 [pid 5135] <... fsopen resumed>) = 5 [pid 5139] write(3, "1000", 4 [pid 5138] <... listen resumed>) = 0 [pid 5137] <... listen resumed>) = 0 [pid 5136] <... fsopen resumed>) = 5 [pid 5135] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5139] <... write resumed>) = 4 [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5136] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5135] <... fsconfig resumed>) = 0 [pid 5139] close(3 [pid 5138] <... bpf resumed>) = 4 [pid 5137] <... bpf resumed>) = 4 [pid 5136] <... fsconfig resumed>) = 0 [pid 5136] fsmount(5, 0, 0 [pid 5135] fsmount(5, 0, 0 [pid 5139] <... close resumed>) = 0 [pid 5138] fsopen("cgroup2", 0 [pid 5135] <... fsmount resumed>) = 6 [pid 5139] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5138] <... fsopen resumed>) = 5 [pid 5137] fsopen("cgroup2", 0 [pid 5135] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5139] <... socket resumed>) = 3 [pid 5138] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5137] <... fsopen resumed>) = 5 [pid 5136] <... fsmount resumed>) = 6 [pid 5135] <... bpf resumed>) = 7 [pid 5139] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5138] <... fsconfig resumed>) = 0 [pid 5137] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5136] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5135] exit_group(0 [pid 5138] fsmount(5, 0, 0 [pid 5137] <... fsconfig resumed>) = 0 [pid 5136] <... bpf resumed>) = 7 [pid 5139] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5138] <... fsmount resumed>) = 6 [pid 5137] fsmount(5, 0, 0 [pid 5135] <... exit_group resumed>) = ? [pid 5139] listen(3, 536870917 [pid 5138] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5137] <... fsmount resumed>) = 6 [pid 5136] exit_group(0 [pid 5139] <... listen resumed>) = 0 [pid 5138] <... bpf resumed>) = 7 [pid 5137] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5136] <... exit_group resumed>) = ? [pid 5137] <... bpf resumed>) = 7 [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5137] exit_group(0 [pid 5139] <... bpf resumed>) = 4 [pid 5138] exit_group(0 [pid 5137] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5138] <... exit_group resumed>) = ? [pid 5136] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5139] fsopen("cgroup2", 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] <... fsopen resumed>) = 5 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5138] +++ exited with 0 +++ [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5139] <... fsconfig resumed>) = 0 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5140 attached ./strace-static-x86_64: Process 5141 attached ./strace-static-x86_64: Process 5142 attached [pid 5139] fsmount(5, 0, 0 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5140 [pid 5142] set_robust_list(0x55555730c660, 24 [pid 5139] <... fsmount resumed>) = 6 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5141 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] <... bpf resumed>) = 7 [pid 5139] exit_group(0 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5142 ./strace-static-x86_64: Process 5143 attached [pid 5142] <... prctl resumed>) = 0 [pid 5141] set_robust_list(0x55555730c660, 24 [pid 5140] set_robust_list(0x55555730c660, 24 [pid 5139] <... exit_group resumed>) = ? [pid 5143] set_robust_list(0x55555730c660, 24 [pid 5142] setpgid(0, 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] +++ exited with 0 +++ [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5143 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... setpgid resumed>) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] setpgid(0, 0 [pid 5140] <... prctl resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5143] <... prctl resumed>) = 0 [pid 5142] <... openat resumed>) = 3 [pid 5141] <... setpgid resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5143] setpgid(0, 0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] setpgid(0, 0 [pid 5143] <... setpgid resumed>) = 0 [pid 5142] write(3, "1000", 4 [pid 5141] <... openat resumed>) = 3 [pid 5140] <... setpgid resumed>) = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... openat resumed>) = 3 [pid 5142] <... write resumed>) = 4 [pid 5141] write(3, "1000", 4 [pid 5140] <... openat resumed>) = 3 [pid 5143] write(3, "1000", 4 [pid 5142] close(3 [pid 5141] <... write resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] <... write resumed>) = 4 [pid 5142] <... close resumed>) = 0 [pid 5142] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5141] close(3 [pid 5140] write(3, "1000", 4 [pid 5142] <... socket resumed>) = 3 [pid 5141] <... close resumed>) = 0 [pid 5140] <... write resumed>) = 4 [pid 5141] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5140] close(3 [pid 5141] <... socket resumed>) = 3 [pid 5140] <... close resumed>) = 0 [pid 5140] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5143] close(3 [pid 5142] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5140] <... socket resumed>) = 3 ./strace-static-x86_64: Process 5144 attached [pid 5143] <... close resumed>) = 0 [pid 5142] <... bind resumed>) = 0 [pid 5141] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5144] set_robust_list(0x55555730c660, 24 [pid 5143] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5142] listen(3, 536870917 [pid 5141] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5140] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5144 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5141] listen(3, 536870917 [pid 5142] <... listen resumed>) = 0 [pid 5141] <... listen resumed>) = 0 [pid 5140] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] <... socket resumed>) = 3 [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5140] listen(3, 536870917 [pid 5144] <... prctl resumed>) = 0 [pid 5143] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5142] <... bpf resumed>) = 4 [pid 5141] <... bpf resumed>) = 4 [pid 5140] <... listen resumed>) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5144] <... openat resumed>) = 3 [pid 5143] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5142] fsopen("cgroup2", 0 [pid 5141] fsopen("cgroup2", 0 [pid 5140] <... bpf resumed>) = 4 [pid 5143] listen(3, 536870917 [pid 5141] <... fsopen resumed>) = 5 [pid 5141] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0) = 0 [pid 5143] <... listen resumed>) = 0 [pid 5144] write(3, "1000", 4 [pid 5142] <... fsopen resumed>) = 5 [pid 5144] <... write resumed>) = 4 [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5142] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5144] close(3 [pid 5142] <... fsconfig resumed>) = 0 [pid 5144] <... close resumed>) = 0 [pid 5144] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5141] fsmount(5, 0, 0 [pid 5140] fsopen("cgroup2", 0 [pid 5144] <... socket resumed>) = 3 [pid 5141] <... fsmount resumed>) = 6 [pid 5140] <... fsopen resumed>) = 5 [pid 5141] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5140] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5144] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5143] <... bpf resumed>) = 4 [pid 5142] fsmount(5, 0, 0 [pid 5141] <... bpf resumed>) = 7 [pid 5140] <... fsconfig resumed>) = 0 [pid 5144] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5141] exit_group(0 [pid 5140] fsmount(5, 0, 0 [pid 5144] listen(3, 536870917 [pid 5143] fsopen("cgroup2", 0 [pid 5142] <... fsmount resumed>) = 6 [pid 5141] <... exit_group resumed>) = ? [pid 5140] <... fsmount resumed>) = 6 [pid 5144] <... listen resumed>) = 0 [pid 5143] <... fsopen resumed>) = 5 [pid 5142] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5143] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5142] <... bpf resumed>) = 7 [pid 5140] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5143] <... fsconfig resumed>) = 0 [pid 5140] <... bpf resumed>) = 7 [pid 5144] <... bpf resumed>) = 4 [pid 5141] +++ exited with 0 +++ [pid 5143] fsmount(5, 0, 0 [pid 5142] exit_group(0 [pid 5140] exit_group(0 [pid 5144] fsopen("cgroup2", 0 [pid 5143] <... fsmount resumed>) = 6 [pid 5142] <... exit_group resumed>) = ? [pid 5140] <... exit_group resumed>) = ? [pid 5144] <... fsopen resumed>) = 5 [pid 5143] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5143] <... bpf resumed>) = 7 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] exit_group(0 [pid 5144] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0) = 0 [pid 5144] fsmount(5, 0, 0 [pid 5143] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5145 attached [pid 5144] <... fsmount resumed>) = 6 [pid 5142] +++ exited with 0 +++ [pid 5144] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5145] set_robust_list(0x55555730c660, 24 [pid 5144] <... bpf resumed>) = 7 [pid 5143] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5075] <... clone resumed>, child_tidptr=0x55555730c650) = 5145 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5144] exit_group(0 [pid 5140] +++ exited with 0 +++ [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5146 attached [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5145] <... prctl resumed>) = 0 [pid 5144] <... exit_group resumed>) = ? [pid 5146] set_robust_list(0x55555730c660, 24 [pid 5145] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5147 attached [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... setpgid resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5146 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... clone resumed>, child_tidptr=0x55555730c650) = 5147 [pid 5147] set_robust_list(0x55555730c660, 24 [pid 5146] <... prctl resumed>) = 0 [pid 5145] <... openat resumed>) = 3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] setpgid(0, 0 [pid 5145] write(3, "1000", 4 [pid 5144] +++ exited with 0 +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... setpgid resumed>) = 0 [pid 5145] <... write resumed>) = 4 ./strace-static-x86_64: Process 5148 attached [pid 5147] <... prctl resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] close(3 [pid 5078] <... clone resumed>, child_tidptr=0x55555730c650) = 5148 [pid 5148] set_robust_list(0x55555730c660, 24 [pid 5147] setpgid(0, 0 [pid 5146] <... openat resumed>) = 3 [pid 5147] <... setpgid resumed>) = 0 [pid 5146] write(3, "1000", 4 [pid 5145] <... close resumed>) = 0 [pid 5145] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5146] <... write resumed>) = 4 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5146] close(3 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] <... close resumed>) = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] <... socket resumed>) = 3 [pid 5148] <... prctl resumed>) = 0 [pid 5147] <... openat resumed>) = 3 [pid 5146] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5145] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5148] setpgid(0, 0 [pid 5147] write(3, "1000", 4 [pid 5146] <... socket resumed>) = 3 [pid 5145] <... bind resumed>) = 0 [pid 5148] <... setpgid resumed>) = 0 [pid 5147] <... write resumed>) = 4 [pid 5146] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5145] listen(3, 536870917 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] close(3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5145] <... listen resumed>) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5147] <... close resumed>) = 0 [pid 5146] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5148] write(3, "1000", 4 [pid 5147] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5146] listen(3, 536870917 [pid 5145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128./strace-static-x86_64: Process 5149 attached [pid 5148] <... write resumed>) = 4 [pid 5147] <... socket resumed>) = 3 [pid 5146] <... listen resumed>) = 0 [pid 5149] set_robust_list(0x55555730c660, 24 [pid 5148] close(3 [pid 5145] <... bpf resumed>) = 4 [pid 5146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] <... close resumed>) = 0 [pid 5147] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5145] fsopen("cgroup2", 0 [pid 5076] <... clone resumed>, child_tidptr=0x55555730c650) = 5149 [pid 5147] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5146] <... bpf resumed>) = 4 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5147] listen(3, 536870917 [pid 5146] fsopen("cgroup2", 0 [pid 5145] <... fsopen resumed>) = 5 [pid 5149] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5148] <... socket resumed>) = 3 [pid 5147] <... listen resumed>) = 0 [pid 5146] <... fsopen resumed>) = 5 [pid 5145] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5148] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5146] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5145] <... fsconfig resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... bind resumed>) = -1 EADDRINUSE (Address already in use) [pid 5147] <... bpf resumed>) = 4 [pid 5146] <... fsconfig resumed>) = 0 [pid 5145] fsmount(5, 0, 0 [pid 5149] <... openat resumed>) = 3 [pid 5148] listen(3, 536870917 [pid 5146] fsmount(5, 0, 0 [pid 5145] <... fsmount resumed>) = 6 [pid 5148] <... listen resumed>) = 0 [pid 5149] write(3, "1000", 4 [pid 5148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SKB, insn_cnt=3, insns=0x20001300, license="syzkaller", 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, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128 [pid 5147] fsopen("cgroup2", 0 [pid 5146] <... fsmount resumed>) = 6 [pid 5145] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5149] <... write resumed>) = 4 [pid 5148] <... bpf resumed>) = 4 [pid 5147] <... fsopen resumed>) = 5 [pid 5146] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5145] <... bpf resumed>) = 7 [pid 5149] close(3 [pid 5148] fsopen("cgroup2", 0 [pid 5147] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5146] <... bpf resumed>) = 7 [pid 5145] exit_group(0 [pid 5149] <... close resumed>) = 0 [pid 5148] <... fsopen resumed>) = 5 [pid 5147] <... fsconfig resumed>) = 0 [pid 5145] <... exit_group resumed>) = ? [pid 5149] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP [pid 5147] fsmount(5, 0, 0 [pid 5146] exit_group(0 [pid 5149] <... socket resumed>) = 3 [pid 5148] fsconfig(5, FSCONFIG_CMD_CREATE, NULL, NULL, 0 [pid 5147] <... fsmount resumed>) = 6 [pid 5145] +++ exited with 0 +++ [pid 5146] <... exit_group resumed>) = ? [pid 5149] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5148] <... fsconfig resumed>) = 0 [pid 5147] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5149] <... bind resumed>) = -1 EPERM (Operation not permitted) [pid 5148] fsmount(5, 0, 0 [pid 5147] <... bpf resumed>) = 7 [pid 5146] +++ exited with 0 +++ [pid 5149] listen(3, 536870917 [pid 5148] <... fsmount resumed>) = 6 [pid 5147] exit_group(0 [pid 5148] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=6, attach_type=BPF_CGROUP_INET6_POST_BIND, flags=0}}, 16 [pid 5147] <... exit_group resumed>) = ? [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] <... bpf resumed>) = 7 [pid 5148] exit_group(0 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5148] <... exit_group resumed>) = ? [pid 5082] <... restart_syscall resumed>) = 0 [ 80.477557][ T5149] ------------[ cut here ]------------ [ 80.483339][ T5149] WARNING: CPU: 0 PID: 5149 at net/ipv4/inet_connection_sock.c:595 inet_csk_get_port+0xf82/0x2530 [ 80.494072][ T5149] Modules linked in: [ 80.497975][ T5149] CPU: 0 PID: 5149 Comm: syz-executor413 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0 [ 80.508446][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 80.518592][ T5149] RIP: 0010:inet_csk_get_port+0xf82/0x2530 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached [pid 5150] set_robust_list(0x55555730c660, 24) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] <... clone resumed>, child_tidptr=0x55555730c650) = 5150 [pid 5150] write(3, "1000", 4) = 4 [pid 5150] close(3) = 0 [pid 5150] socket(AF_INET6, SOCK_DCCP|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3 [ 80.524522][ T5149] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 15 00 00 48 8b 83 40 06 00 00 48 89 44 24 20 e9 c1 f2 ff ff e8 bf 13 4b f8 90 <0f> 0b 90 e9 10 f9 ff ff e8 b1 13 4b f8 49 8d 7f 48 e8 98 c5 5d 00 [ 80.544785][ T5149] RSP: 0018:ffffc9000320fd38 EFLAGS: 00010293 [ 80.550957][ T5149] RAX: 0000000000000000 RBX: ffff888029c16e80 RCX: ffffffff89429509 [ 80.558961][ T5149] RDX: ffff88807f641e00 RSI: ffffffff8942ae91 RDI: ffff88802a9dc720 [ 80.566980][ T5149] RBP: ffff88802a9dc718 R08: 0000000000000001 R09: 0000000000000000 [ 80.574963][ T5149] R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000004e20 [ 80.582940][ T5149] R13: ffff888029c16e80 R14: ffff88802a9dc080 R15: ffff88814a520168 [ 80.590930][ T5149] FS: 000055555730c380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 80.599959][ T5149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.606568][ T5149] CR2: 00007f0bd1307150 CR3: 00000000208f6000 CR4: 00000000003506f0 [ 80.614559][ T5149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.622554][ T5149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.630543][ T5149] Call Trace: [ 80.633829][ T5149] [ 80.636767][ T5149] ? show_regs+0x8c/0xa0 [ 80.641033][ T5149] ? __warn+0xe5/0x3c0 [ 80.645141][ T5149] ? inet_csk_get_port+0xf82/0x2530 [ 80.650503][ T5149] ? report_bug+0x3c0/0x580 [ 80.655036][ T5149] ? handle_bug+0x3d/0x70 [ 80.659386][ T5149] ? exc_invalid_op+0x17/0x50 [ 80.664156][ T5149] ? asm_exc_invalid_op+0x1a/0x20 [ 80.669203][ T5149] ? inet_csk_update_fastreuse+0x109/0xb00 [ 80.675037][ T5149] ? inet_csk_get_port+0xf81/0x2530 [ 80.680231][ T5149] ? inet_csk_get_port+0xf82/0x2530 [ 80.685489][ T5149] ? inet_csk_get_port+0xf81/0x2530 [ 80.690742][ T5149] ? inet_dccp_listen+0x42/0x220 [ 80.695719][ T5149] ? trace_inet_sock_set_state+0x19d/0x220 [ 80.701554][ T5149] ? __pfx_inet_csk_get_port+0x10/0x10 [ 80.707011][ T5149] inet_csk_listen_start+0x15e/0x390 [ 80.712361][ T5149] inet_dccp_listen+0x1c5/0x220 [ 80.717313][ T5149] __sys_listen+0x19b/0x280 [ 80.721858][ T5149] ? __pfx___sys_listen+0x10/0x10 [ 80.726885][ T5149] ? _raw_spin_unlock_irq+0x23/0x50 [ 80.732109][ T5149] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.737307][ T5149] ? _raw_spin_unlock_irq+0x2e/0x50 [ 80.742521][ T5149] ? ptrace_notify+0xf1/0x130 [ 80.747202][ T5149] __x64_sys_listen+0x53/0x80 [ 80.751899][ T5149] do_syscall_64+0xcf/0x260 [ 80.756393][ T5149] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.762314][ T5149] RIP: 0033:0x7f0bd128cd29 [ 80.766740][ T5149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 80.786385][ T5149] RSP: 002b:00007ffdfa5275e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 80.794906][ T5149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0bd128cd29 [ 80.802897][ T5149] RDX: ffffffffffffffb8 RSI: 0000000020000005 RDI: 0000000000000003 [ 80.810888][ T5149] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 80.818943][ T5149] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000000 [ 80.826929][ T5149] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.835009][ T5149] [ 80.838021][ T5149] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.845294][ T5149] CPU: 0 PID: 5149 Comm: syz-executor413 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0 [ 80.855697][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 80.865740][ T5149] Call Trace: [ 80.869008][ T5149] [ 80.871929][ T5149] dump_stack_lvl+0x3d/0x1f0 [ 80.876517][ T5149] panic+0x6f5/0x7a0 [ 80.880410][ T5149] ? __pfx_panic+0x10/0x10 [ 80.884835][ T5149] ? show_trace_log_lvl+0x363/0x500 [ 80.890033][ T5149] ? check_panic_on_warn+0x1f/0xb0 [ 80.895137][ T5149] ? inet_csk_get_port+0xf82/0x2530 [ 80.900325][ T5149] check_panic_on_warn+0xab/0xb0 [ 80.905266][ T5149] __warn+0xf1/0x3c0 [ 80.909179][ T5149] ? inet_csk_get_port+0xf82/0x2530 [ 80.914368][ T5149] report_bug+0x3c0/0x580 [ 80.918711][ T5149] handle_bug+0x3d/0x70 [ 80.922860][ T5149] exc_invalid_op+0x17/0x50 [ 80.927358][ T5149] asm_exc_invalid_op+0x1a/0x20 [ 80.932210][ T5149] RIP: 0010:inet_csk_get_port+0xf82/0x2530 [ 80.938100][ T5149] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 15 00 00 48 8b 83 40 06 00 00 48 89 44 24 20 e9 c1 f2 ff ff e8 bf 13 4b f8 90 <0f> 0b 90 e9 10 f9 ff ff e8 b1 13 4b f8 49 8d 7f 48 e8 98 c5 5d 00 [ 80.957876][ T5149] RSP: 0018:ffffc9000320fd38 EFLAGS: 00010293 [ 80.964033][ T5149] RAX: 0000000000000000 RBX: ffff888029c16e80 RCX: ffffffff89429509 [ 80.971994][ T5149] RDX: ffff88807f641e00 RSI: ffffffff8942ae91 RDI: ffff88802a9dc720 [ 80.979955][ T5149] RBP: ffff88802a9dc718 R08: 0000000000000001 R09: 0000000000000000 [ 80.987932][ T5149] R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000004e20 [ 80.995950][ T5149] R13: ffff888029c16e80 R14: ffff88802a9dc080 R15: ffff88814a520168 [ 81.003915][ T5149] ? inet_csk_update_fastreuse+0x109/0xb00 [ 81.009735][ T5149] ? inet_csk_get_port+0xf81/0x2530 [ 81.014925][ T5149] ? inet_csk_get_port+0xf81/0x2530 [ 81.020129][ T5149] ? inet_dccp_listen+0x42/0x220 [ 81.025066][ T5149] ? trace_inet_sock_set_state+0x19d/0x220 [ 81.030883][ T5149] ? __pfx_inet_csk_get_port+0x10/0x10 [ 81.036353][ T5149] inet_csk_listen_start+0x15e/0x390 [ 81.041633][ T5149] inet_dccp_listen+0x1c5/0x220 [ 81.046473][ T5149] __sys_listen+0x19b/0x280 [ 81.050969][ T5149] ? __pfx___sys_listen+0x10/0x10 [ 81.056004][ T5149] ? _raw_spin_unlock_irq+0x23/0x50 [ 81.061202][ T5149] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.066406][ T5149] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.071612][ T5149] ? ptrace_notify+0xf1/0x130 [ 81.076283][ T5149] __x64_sys_listen+0x53/0x80 [ 81.080958][ T5149] do_syscall_64+0xcf/0x260 [ 81.085542][ T5149] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.091432][ T5149] RIP: 0033:0x7f0bd128cd29 [ 81.095835][ T5149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 81.115433][ T5149] RSP: 002b:00007ffdfa5275e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 81.123842][ T5149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0bd128cd29 [ 81.131800][ T5149] RDX: ffffffffffffffb8 RSI: 0000000020000005 RDI: 0000000000000003 [ 81.139762][ T5149] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 81.147722][ T5149] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000000 [ 81.155700][ T5149] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 81.163682][ T5149] [ 81.167012][ T5149] Kernel Offset: disabled [ 81.171369][ T5149] Rebooting in 86400 seconds..