./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor884815109

<...>
Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts.
execve("./syz-executor884815109", ["./syz-executor884815109"], 0x7fffd8156ae0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557fa82000
brk(0x55557fa82e00)                     = 0x55557fa82e00
arch_prctl(ARCH_SET_FS, 0x55557fa82480) = 0
set_tid_address(0x55557fa82750)         = 5015
set_robust_list(0x55557fa82760, 24)     = 0
rseq(0x55557fa82da0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor884815109", 4096) = 27
getrandom("\x12\x6a\x30\x5b\xb6\x4e\x88\x02", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557fa82e00
brk(0x55557faa3e00)                     = 0x55557faa3e00
brk(0x55557faa4000)                     = 0x55557faa4000
mprotect(0x7fb3a0bf4000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fb3a0b3ac10, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fb3a0b3ac10, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5016 attached
, child_tidptr=0x55557fa82750) = 5016
[pid  5016] set_robust_list(0x55557fa82760, 24) = 0
[pid  5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5016] setpgid(0, 0)               = 0
[pid  5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5016] write(3, "1000", 4)         = 4
[pid  5016] close(3)                    = 0
[pid  5016] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5016] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5016] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5017 attached
 <unfinished ...>
[pid  5017] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5016] <... clone3 resumed> => {parent_tid=[5017]}, 88) = 5017
[pid  5017] <... rseq resumed>)         = 0
[pid  5016] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5017] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5016] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5017] <... set_robust_list resumed>) = 0
[pid  5016] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5017] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5016] <... futex resumed>)        = 0
[pid  5017] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5016] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5017] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5016] <... futex resumed>)        = 0
[pid  5016] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5016] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5017] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5016] <... futex resumed>)        = 0
[pid  5016] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5016] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5017] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5018 attached
) = 5018
[pid  5017] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5016] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5016] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5016] getpid()                    = 5016
[pid  5017] getpid( <unfinished ...>
[pid  5016] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5017] <... getpid resumed>)       = 5016
[pid  5016] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5017] rt_sigreturn({mask=[]})     = 5018
[pid  5016] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5017] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5017] getpid( <unfinished ...>
[pid  5016] getpid( <unfinished ...>
[pid  5017] <... getpid resumed>)       = 5016
[pid  5016] <... getpid resumed>)       = 5016
[pid  5017] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5016] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5017] <... rt_sigreturn resumed>) = 5018
[pid  5016] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5017] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5017] getpid( <unfinished ...>
[pid  5016] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=30000000} <unfinished ...>
[pid  5017] <... getpid resumed>)       = 5016
[pid  5017] rt_sigreturn({mask=[]})     = 5018
[pid  5017] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5017] getpid()                    = 5016
[pid  5017] rt_sigreturn({mask=[]})     = 5018
[pid  5017] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5016] <... futex resumed>)        = 0
[pid  5017] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5016] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5016] getpid()                    = 5016
[pid  5016] rt_sigreturn({mask=[]})     = 0
[pid  5016] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5016] getpid()                    = 5016
[pid  5016] rt_sigreturn({mask=[]})     = 0
[pid  5016] exit_group(0)               = ?
[pid  5017] <... futex resumed>)        = ?
[pid  5017] +++ exited with 0 +++
[pid  5016] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5016, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5019 attached
, child_tidptr=0x55557fa82750) = 5019
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5019] setpgid(0, 0)               = 0
[pid  5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5019] write(3, "1000", 4)         = 4
[pid  5019] close(3)                    = 0
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5019] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5019] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] getpid()                    = 5019
[pid  5019] rt_sigreturn({mask=[]})     = 0
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] getpid()                    = 5019
[pid  5019] rt_sigreturn({mask=[]})     = 132913
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] getpid()                    = 5019
[pid  5019] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5020]}, 88) = 5020
[pid  5019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5019] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5020 attached
) = 0
[pid  5019] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5020] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5020] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5020] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5019] <... futex resumed>)        = 0
[pid  5020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5019] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5019] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5020] <... bpf resumed>)          = 4
[pid  5020] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5019] <... futex resumed>)        = 0
[pid  5020] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5019] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5020] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5019] <... futex resumed>)        = 0
[pid  5020] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5019] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5021 attached
 <unfinished ...>
[pid  5021] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5020] <... clone3 resumed>)       = 5021
[pid  5020] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5021] getpid( <unfinished ...>
[pid  5020] getpid( <unfinished ...>
[pid  5019] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5020] <... getpid resumed>)       = 5019
[pid  5021] <... getpid resumed>)       = 5021
[pid  5020] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5021] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5020] <... rt_sigreturn resumed>) = 5021
[pid  5021] <... rt_sigreturn resumed>) = 0
[pid  5020] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] getpid( <unfinished ...>
[pid  5020] getpid( <unfinished ...>
[pid  5019] <... getpid resumed>)       = 5019
[pid  5020] <... getpid resumed>)       = 5019
[pid  5020] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5019] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5020] <... rt_sigreturn resumed>) = 5021
[pid  5019] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5020] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5020] getpid( <unfinished ...>
[pid  5019] getpid()                    = 5019
[pid  5020] <... getpid resumed>)       = 5019
[pid  5019] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5020] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5019] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5020] <... rt_sigreturn resumed>) = 5021
[pid  5020] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=26000000} <unfinished ...>
[pid  5020] getpid()                    = 5019
[pid  5020] rt_sigreturn({mask=[]})     = 5021
[pid  5020] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5020] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5019] <... futex resumed>)        = 0
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5018] exit(0)                     = ?
[pid  5019] getpid()                    = 5019
[pid  5019] rt_sigreturn({mask=[]})     = 0
[pid  5019] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5019] getpid()                    = 5019
[pid  5019] rt_sigreturn({mask=[]})     = 0
[pid  5019] exit_group(0)               = ?
[pid  5020] <... futex resumed>)        = ?
[pid  5020] +++ exited with 0 +++
[pid  5019] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5019, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5022 attached
, child_tidptr=0x55557fa82750) = 5022
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] set_robust_list(0x55557fa82760, 24) = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5018] +++ exited with 0 +++
[pid  5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5022] setpgid(0, 0)               = 0
[pid  5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5022] write(3, "1000", 4)         = 4
[pid  5022] close(3)                    = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5022] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5022] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 132913
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5022] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5023 attached
 <unfinished ...>
[pid  5023] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5022] <... clone3 resumed> => {parent_tid=[5023]}, 88) = 5023
[pid  5023] <... rseq resumed>)         = 0
[pid  5022] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5023] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5022] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5023] <... set_robust_list resumed>) = 0
[pid  5023] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5022] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5023] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5022] <... futex resumed>)        = 0
[pid  5023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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 <unfinished ...>
[pid  5022] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5023] <... bpf resumed>)          = 3
[pid  5023] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5023] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5022] <... futex resumed>)        = 0
[pid  5022] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5023] <... futex resumed>)        = 0
[pid  5022] <... futex resumed>)        = 1
[pid  5023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5022] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5023] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5022] <... futex resumed>)        = 0
[pid  5023] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5022] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5022] <... futex resumed>)        = 0
[pid  5023] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5022] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5024 attached
 <unfinished ...>
[pid  5024] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5023] <... clone3 resumed>)       = 5024
[pid  5023] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5024] getpid( <unfinished ...>
[pid  5023] getpid()                    = 5022
[pid  5024] <... getpid resumed>)       = 5024
[pid  5023] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5024] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5023] <... rt_sigreturn resumed>) = 5024
[pid  5024] <... rt_sigreturn resumed>) = 0
[pid  5023] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5023] getpid()                    = 5022
[pid  5023] rt_sigreturn({mask=[]})     = 5024
[pid  5023] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5023] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5022] <... futex resumed>)        = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5023] <... futex resumed>)        = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid  5022] getpid( <unfinished ...>
[pid  5023] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5023] getpid( <unfinished ...>
[pid  5022] <... getpid resumed>)       = 5022
[pid  5023] <... getpid resumed>)       = 5022
[pid  5022] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5023] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5022] <... rt_sigreturn resumed>) = 0
[pid  5023] <... rt_sigreturn resumed>) = 202
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5023] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 0
[pid  5022] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5022] getpid()                    = 5022
[pid  5022] rt_sigreturn({mask=[]})     = 0
[pid  5022] exit_group(0 <unfinished ...>
[pid  5023] <... futex resumed>)        = ?
[pid  5022] <... exit_group resumed>)   = ?
[pid  5023] +++ exited with 0 +++
[pid  5022] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5022, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5025 attached
, child_tidptr=0x55557fa82750) = 5025
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5025] setpgid(0, 0)               = 0
[pid  5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5021] exit(0 <unfinished ...>
[pid  5025] write(3, "1000", 4 <unfinished ...>
[pid  5021] <... exit resumed>)         = ?
[pid  5025] <... write resumed>)        = 4
[pid  5025] close(3)                    = 0
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5025] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5025] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] getpid()                    = 5025
[pid  5025] rt_sigreturn({mask=[]})     = 0
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] getpid()                    = 5025
[pid  5025] rt_sigreturn({mask=[]})     = 132913
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] getpid()                    = 5025
[pid  5025] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5026 attached
 => {parent_tid=[5026]}, 88) = 5026
[pid  5025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5025] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5025] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5026] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5021] +++ exited with 0 +++
[pid  5026] <... rseq resumed>)         = 0
[pid  5026] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5026] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5025] <... futex resumed>)        = 0
[pid  5026] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5025] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5025] <... futex resumed>)        = 0
[pid  5026] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5025] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5026] <... bpf resumed>)          = 4
[pid  5026] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5025] <... futex resumed>)        = 0
[pid  5025] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5025] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5026] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5027 attached
) = 5027
[pid  5026] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5026] getpid( <unfinished ...>
[pid  5025] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5026] <... getpid resumed>)       = 5025
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5026] rt_sigreturn({mask=[]})     = 5027
[pid  5025] getpid( <unfinished ...>
[pid  5026] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5026] getpid()                    = 5025
[pid  5025] <... getpid resumed>)       = 5025
[pid  5026] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5025] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5026] <... rt_sigreturn resumed>) = 5027
[pid  5025] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5026] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5026] getpid( <unfinished ...>
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5026] <... getpid resumed>)       = 5025
[pid  5025] getpid( <unfinished ...>
[pid  5026] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5025] <... getpid resumed>)       = 5025
[pid  5026] <... rt_sigreturn resumed>) = 5027
[pid  5025] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5026] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5026] getpid( <unfinished ...>
[pid  5025] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=27000000} <unfinished ...>
[pid  5026] <... getpid resumed>)       = 5025
[pid  5026] rt_sigreturn({mask=[]})     = 5027
[pid  5026] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5025] <... futex resumed>)        = 0
[pid  5026] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] getpid()                    = 5025
[pid  5024] exit(0 <unfinished ...>
[pid  5025] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5024] <... exit resumed>)         = ?
[pid  5025] <... rt_sigreturn resumed>) = 0
[pid  5025] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5025] getpid()                    = 5025
[pid  5025] rt_sigreturn({mask=[]})     = 0
[pid  5025] exit_group(0 <unfinished ...>
[pid  5026] <... futex resumed>)        = ?
[pid  5025] <... exit_group resumed>)   = ?
[pid  5026] +++ exited with 0 +++
[pid  5025] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5025, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5028 attached
, child_tidptr=0x55557fa82750) = 5028
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] set_robust_list(0x55557fa82760, 24) = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5028] setpgid(0, 0)               = 0
[pid  5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5024] +++ exited with 0 +++
[pid  5028] <... openat resumed>)       = 3
[pid  5028] write(3, "1000", 4)         = 4
[pid  5028] close(3)                    = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5028] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5028] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] getpid()                    = 5028
[pid  5028] rt_sigreturn({mask=[]})     = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] getpid()                    = 5028
[pid  5028] rt_sigreturn({mask=[]})     = 132913
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] getpid()                    = 5028
[pid  5028] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5028] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5029 attached
 => {parent_tid=[5029]}, 88) = 5029
[pid  5028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5028] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5028] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5029] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5029] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5029] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5028] <... futex resumed>)        = 0
[pid  5029] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5029] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5028] <... futex resumed>)        = 0
[pid  5029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5028] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5029] <... bpf resumed>)          = 4
[pid  5029] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5029] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5028] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5029] <... futex resumed>)        = 0
[pid  5028] <... futex resumed>)        = 1
[pid  5029] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5028] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5029] <... clone3 resumed>)       = 5030
[pid  5029] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
./strace-static-x86_64: Process 5030 attached
[pid  5028] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] getpid( <unfinished ...>
[pid  5029] getpid()                    = 5028
[pid  5029] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5028] <... getpid resumed>)       = 5028
[pid  5029] <... rt_sigreturn resumed>) = 5030
[pid  5028] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5029] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5029] getpid( <unfinished ...>
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5029] <... getpid resumed>)       = 5028
[pid  5028] getpid( <unfinished ...>
[pid  5029] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5028] <... getpid resumed>)       = 5028
[pid  5029] <... rt_sigreturn resumed>) = 5030
[pid  5028] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5029] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5029] getpid( <unfinished ...>
[pid  5028] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=32000000} <unfinished ...>
[pid  5029] <... getpid resumed>)       = 5028
[pid  5029] rt_sigreturn({mask=[]})     = 5030
[pid  5029] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5029] getpid()                    = 5028
[pid  5029] rt_sigreturn({mask=[]})     = 5030
[pid  5029] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5029] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5028] <... futex resumed>)        = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5027] exit(0)                     = ?
[pid  5028] getpid()                    = 5028
[pid  5028] rt_sigreturn({mask=[]})     = 0
[pid  5028] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5028] getpid()                    = 5028
[pid  5028] rt_sigreturn({mask=[]})     = 0
[pid  5028] exit_group(0 <unfinished ...>
[pid  5029] <... futex resumed>)        = ?
[pid  5028] <... exit_group resumed>)   = ?
[pid  5029] +++ exited with 0 +++
[pid  5028] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5028, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5027] +++ exited with 0 +++
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5031 attached
, child_tidptr=0x55557fa82750) = 5031
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5031] setpgid(0, 0)               = 0
[pid  5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "1000", 4)         = 4
[pid  5031] close(3)                    = 0
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5031] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid()                    = 5031
[pid  5031] rt_sigreturn({mask=[]})     = 0
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid()                    = 5031
[pid  5031] rt_sigreturn({mask=[]})     = 132913
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid()                    = 5031
[pid  5031] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5031] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5032 attached
 => {parent_tid=[5032]}, 88) = 5032
[pid  5032] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5031] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5032] <... rseq resumed>)         = 0
[pid  5031] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5032] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5031] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5032] <... set_robust_list resumed>) = 0
[pid  5031] <... futex resumed>)        = 0
[pid  5032] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5031] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5032] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5032] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5031] <... futex resumed>)        = 0
[pid  5031] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5031] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5032] <... bpf resumed>)          = 4
[pid  5032] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5031] <... futex resumed>)        = 0
[pid  5031] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5032] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5031] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
./strace-static-x86_64: Process 5033 attached
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5033] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid()                    = 5031
[pid  5031] rt_sigreturn({mask=[]})     = -1 EINTR (Interrupted system call)
[pid  5032] <... clone3 resumed>)       = 5033
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5033] getpid( <unfinished ...>
[pid  5032] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5032] getpid( <unfinished ...>
[pid  5031] getpid( <unfinished ...>
[pid  5032] <... getpid resumed>)       = 5031
[pid  5031] <... getpid resumed>)       = 5031
[pid  5032] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5031] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5032] <... rt_sigreturn resumed>) = 5033
[pid  5031] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5032] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=33000000} <unfinished ...>
[pid  5032] getpid()                    = 5031
[pid  5032] rt_sigreturn({mask=[]})     = 5033
[pid  5032] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5032] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5031] <... futex resumed>)        = 0
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid()                    = 5031
[pid  5033] <... getpid resumed>)       = 5033
[pid  5031] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5033] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5031] <... rt_sigreturn resumed>) = 0
[pid  5031] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5031] getpid( <unfinished ...>
[pid  5033] <... rt_sigreturn resumed>) = 0
[pid  5031] <... getpid resumed>)       = 5031
[pid  5031] rt_sigreturn({mask=[]})     = 0
[pid  5031] exit_group(0 <unfinished ...>
[pid  5032] <... futex resumed>)        = ?
[pid  5031] <... exit_group resumed>)   = ?
[pid  5032] +++ exited with 0 +++
[pid  5031] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5031, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5034 attached
, child_tidptr=0x55557fa82750) = 5034
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5030] exit(0 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] <... set_robust_list resumed>) = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5030] <... exit resumed>)         = ?
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5034] setpgid(0, 0)               = 0
[pid  5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5034] write(3, "1000", 4)         = 4
[pid  5034] close(3)                    = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5034] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 132913
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5034] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5030] +++ exited with 0 +++
[pid  5034] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5035 attached
 => {parent_tid=[5035]}, 88) = 5035
[pid  5034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5034] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5034] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5035] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5035] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5035] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5034] <... futex resumed>)        = 0
[pid  5035] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5034] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5035] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5034] <... futex resumed>)        = 0
[pid  5035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5034] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5035] <... bpf resumed>)          = 4
[pid  5035] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5034] <... futex resumed>)        = 0
[pid  5035] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5034] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5035] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5034] <... futex resumed>)        = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
./strace-static-x86_64: Process 5036 attached
[pid  5036] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 0
[pid  5036] getpid()                    = 5036
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid( <unfinished ...>
[pid  5035] <... clone3 resumed>)       = 5036
[pid  5034] <... getpid resumed>)       = 5034
[pid  5036] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5035] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5035] getpid( <unfinished ...>
[pid  5034] <... rt_sigreturn resumed>) = 0
[pid  5035] <... getpid resumed>)       = 5034
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5036] <... rt_sigreturn resumed>) = 0
[pid  5035] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5034] getpid( <unfinished ...>
[pid  5035] <... rt_sigreturn resumed>) = 5036
[pid  5035] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] <... getpid resumed>)       = 5034
[pid  5035] getpid( <unfinished ...>
[pid  5034] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5035] <... getpid resumed>)       = 5034
[pid  5034] <... rt_sigreturn resumed>) = 0
[pid  5035] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5034] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5035] <... rt_sigreturn resumed>) = 5036
[pid  5035] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5034] <... futex resumed>)        = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5035] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 0
[pid  5034] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5034] getpid()                    = 5034
[pid  5034] rt_sigreturn({mask=[]})     = 0
[pid  5034] exit_group(0 <unfinished ...>
[pid  5035] <... futex resumed>)        = ?
[pid  5034] <... exit_group resumed>)   = ?
[pid  5035] +++ exited with 0 +++
[pid  5034] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5037 attached
, child_tidptr=0x55557fa82750) = 5037
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5037] setpgid(0, 0)               = 0
[pid  5033] exit(0)                     = ?
[pid  5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5037] write(3, "1000", 4)         = 4
[pid  5037] close(3)                    = 0
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5037] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5037] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] getpid()                    = 5037
[pid  5033] +++ exited with 0 +++
[pid  5037] rt_sigreturn({mask=[]})     = 0
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] getpid()                    = 5037
[pid  5037] rt_sigreturn({mask=[]})     = 132913
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] getpid()                    = 5037
[pid  5037] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5037] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5038]}, 88) = 5038
./strace-static-x86_64: Process 5038 attached
[pid  5037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5037] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5037] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5038] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5038] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5038] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5037] <... futex resumed>)        = 0
[pid  5037] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5037] <... futex resumed>)        = 0
[pid  5038] <... bpf resumed>)          = 4
[pid  5037] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5038] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5037] <... futex resumed>)        = 0
[pid  5037] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5038] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5037] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5039 attached
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5039] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5038] <... clone3 resumed>)       = 5039
[pid  5037] getpid( <unfinished ...>
[pid  5039] getpid( <unfinished ...>
[pid  5038] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5038] getpid( <unfinished ...>
[pid  5037] <... getpid resumed>)       = 5037
[pid  5039] <... getpid resumed>)       = 5039
[pid  5038] <... getpid resumed>)       = 5037
[pid  5037] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5039] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5038] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5039] <... rt_sigreturn resumed>) = 0
[pid  5038] <... rt_sigreturn resumed>) = 5039
[pid  5037] <... rt_sigreturn resumed>) = 0
[pid  5038] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5038] getpid()                    = 5037
[pid  5037] getpid( <unfinished ...>
[pid  5038] rt_sigreturn({mask=[]})     = 5039
[pid  5037] <... getpid resumed>)       = 5037
[pid  5038] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5038] getpid( <unfinished ...>
[pid  5037] <... rt_sigreturn resumed>) = 0
[pid  5038] <... getpid resumed>)       = 5037
[pid  5037] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5038] rt_sigreturn({mask=[]})     = 5039
[pid  5038] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5038] getpid()                    = 5037
[pid  5038] rt_sigreturn({mask=[]})     = 5039
[pid  5038] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5037] <... futex resumed>)        = 0
[pid  5038] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] getpid()                    = 5037
[pid  5037] rt_sigreturn({mask=[]})     = 0
[pid  5037] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5037] getpid()                    = 5037
[pid  5037] rt_sigreturn({mask=[]})     = 0
[pid  5036] exit(0)                     = ?
[pid  5037] exit_group(0 <unfinished ...>
[pid  5038] <... futex resumed>)        = ?
[pid  5037] <... exit_group resumed>)   = ?
[pid  5038] +++ exited with 0 +++
[pid  5037] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5040 attached
, child_tidptr=0x55557fa82750) = 5040
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5036] +++ exited with 0 +++
[pid  5040] <... set_robust_list resumed>) = 0
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5040] setpgid(0, 0)               = 0
[pid  5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "1000", 4)         = 4
[pid  5040] close(3)                    = 0
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5040] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5040] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid()                    = 5040
[pid  5040] rt_sigreturn({mask=[]})     = 0
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid()                    = 5040
[pid  5040] rt_sigreturn({mask=[]})     = 132913
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid()                    = 5040
[pid  5040] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5040] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5041 attached
 => {parent_tid=[5041]}, 88) = 5041
[pid  5040] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5041] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5040] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5040] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5040] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5041] <... rseq resumed>)         = 0
[pid  5041] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5041] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5040] <... futex resumed>)        = 0
[pid  5041] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5040] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5041] <... futex resumed>)        = 0
[pid  5040] <... futex resumed>)        = 1
[pid  5041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5040] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5041] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5040] <... futex resumed>)        = 0
[pid  5040] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5040] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5041] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5042 attached
) = 5042
[pid  5041] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5041] getpid()                    = 5040
[pid  5040] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5041] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5041] <... rt_sigreturn resumed>) = 5042
[pid  5041] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid( <unfinished ...>
[pid  5041] getpid( <unfinished ...>
[pid  5040] <... getpid resumed>)       = 5040
[pid  5041] <... getpid resumed>)       = 5040
[pid  5040] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5041] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5040] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5041] <... rt_sigreturn resumed>) = 5042
[pid  5041] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5041] getpid( <unfinished ...>
[pid  5040] getpid( <unfinished ...>
[pid  5041] <... getpid resumed>)       = 5040
[pid  5040] <... getpid resumed>)       = 5040
[pid  5041] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5040] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5041] <... rt_sigreturn resumed>) = 5042
[pid  5041] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5041] getpid( <unfinished ...>
[pid  5040] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=25000000} <unfinished ...>
[pid  5041] <... getpid resumed>)       = 5040
[pid  5041] rt_sigreturn({mask=[]})     = 5042
[pid  5041] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5040] <... futex resumed>)        = 0
[pid  5041] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid()                    = 5040
[pid  5040] rt_sigreturn({mask=[]})     = 0
[pid  5040] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5040] getpid()                    = 5040
[pid  5040] rt_sigreturn({mask=[]})     = 0
[pid  5040] exit_group(0 <unfinished ...>
[pid  5041] <... futex resumed>)        = ?
[pid  5040] <... exit_group resumed>)   = ?
[pid  5041] +++ exited with 0 +++
[pid  5039] exit(0 <unfinished ...>
[pid  5040] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5040, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5043 attached
 <unfinished ...>
[pid  5039] <... exit resumed>)         = ?
[pid  5015] <... clone resumed>, child_tidptr=0x55557fa82750) = 5043
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] <... set_robust_list resumed>) = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5043] setpgid(0, 0)               = 0
[pid  5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5043] write(3, "1000", 4)         = 4
[pid  5043] close(3)                    = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5043] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5043] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid()                    = 5043
[pid  5043] rt_sigreturn({mask=[]})     = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid()                    = 5043
[pid  5043] rt_sigreturn({mask=[]})     = 132913
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid()                    = 5043
[pid  5043] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5039] +++ exited with 0 +++
[pid  5043] <... rt_sigreturn resumed>) = 140409472778592
[pid  5043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5044]}, 88) = 5044
./strace-static-x86_64: Process 5044 attached
[pid  5043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5043] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5043] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5044] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5044] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5044] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5044] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5043] <... futex resumed>)        = 0
[pid  5044] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5043] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5043] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5044] <... bpf resumed>)          = 4
[pid  5044] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5043] <... futex resumed>)        = 0
[pid  5044] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5043] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5043] <... futex resumed>)        = 0
[pid  5044] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5043] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5045 attached
 <unfinished ...>
[pid  5044] <... clone3 resumed>)       = 5045
[pid  5045] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5044] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5044] getpid( <unfinished ...>
[pid  5045] getpid()                    = 5045
[pid  5044] <... getpid resumed>)       = 5043
[pid  5045] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5044] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5045] <... rt_sigreturn resumed>) = 0
[pid  5044] <... rt_sigreturn resumed>) = 5045
[pid  5044] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5044] getpid()                    = 5043
[pid  5044] rt_sigreturn({mask=[]})     = 5045
[pid  5044] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5043] <... futex resumed>)        = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid( <unfinished ...>
[pid  5044] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] <... getpid resumed>)       = 5043
[pid  5044] getpid( <unfinished ...>
[pid  5043] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5044] <... getpid resumed>)       = 5043
[pid  5043] <... rt_sigreturn resumed>) = 0
[pid  5044] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5044] <... rt_sigreturn resumed>) = 1
[pid  5043] getpid( <unfinished ...>
[pid  5044] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5043] <... getpid resumed>)       = 5043
[pid  5043] rt_sigreturn({mask=[]})     = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid()                    = 5043
[pid  5043] rt_sigreturn({mask=[]})     = 0
[pid  5043] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5043] getpid()                    = 5043
[pid  5043] rt_sigreturn({mask=[]})     = 0
[pid  5043] exit_group(0 <unfinished ...>
[pid  5044] <... futex resumed>)        = ?
[pid  5043] <... exit_group resumed>)   = ?
[pid  5044] +++ exited with 0 +++
[pid  5043] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid  5042] exit(0)                     = ?
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached
, child_tidptr=0x55557fa82750) = 5046
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] set_robust_list(0x55557fa82760, 24) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5046] setpgid(0, 0)               = 0
[pid  5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5046] write(3, "1000", 4)         = 4
[pid  5046] close(3)                    = 0
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5042] +++ exited with 0 +++
[pid  5046] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5046] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = 0
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = 132913
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5047 attached
 <unfinished ...>
[pid  5047] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5046] <... clone3 resumed> => {parent_tid=[5047]}, 88) = 5047
[pid  5046] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5047] <... rseq resumed>)         = 0
[pid  5046] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5047] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5046] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5047] <... set_robust_list resumed>) = 0
[pid  5046] <... futex resumed>)        = 0
[pid  5047] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5046] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5047] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5047] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5046] <... futex resumed>)        = 0
[pid  5047] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5047] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5046] <... futex resumed>)        = 0
[pid  5047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5046] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5047] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5046] <... futex resumed>)        = 0
[pid  5046] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5046] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5047] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5048 attached
 <unfinished ...>
[pid  5048] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5048] getpid()                    = 5048
[pid  5048] rt_sigreturn({mask=[]})     = 0
[pid  5047] <... clone3 resumed>)       = 5048
[pid  5047] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5047] getpid()                    = 5046
[pid  5047] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5046] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5047] <... rt_sigreturn resumed>) = 5048
[pid  5047] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5047] getpid( <unfinished ...>
[pid  5045] exit(0 <unfinished ...>
[pid  5047] <... getpid resumed>)       = 5046
[pid  5045] <... exit resumed>)         = ?
[pid  5047] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5046] getpid( <unfinished ...>
[pid  5047] <... rt_sigreturn resumed>) = 5048
[pid  5047] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5047] getpid()                    = 5046
[pid  5046] <... getpid resumed>)       = 5046
[pid  5047] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5046] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5047] <... rt_sigreturn resumed>) = 5048
[pid  5047] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5047] getpid()                    = 5046
[pid  5047] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5047] <... rt_sigreturn resumed>) = 5048
[pid  5047] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5047] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = -1 EINTR (Interrupted system call)
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = 0
[pid  5046] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5046] getpid()                    = 5046
[pid  5046] rt_sigreturn({mask=[]})     = 0
[pid  5046] exit_group(0 <unfinished ...>
[pid  5047] <... futex resumed>)        = ?
[pid  5046] <... exit_group resumed>)   = ?
[pid  5047] +++ exited with 0 +++
[pid  5046] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5045] +++ exited with 0 +++
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557fa82750) = 5049
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
./strace-static-x86_64: Process 5049 attached
[pid  5049] set_robust_list(0x55557fa82760, 24) = 0
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5049] setpgid(0, 0)               = 0
[pid  5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5049] write(3, "1000", 4)         = 4
[pid  5049] close(3)                    = 0
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5049] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5049] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid()                    = 5049
[pid  5049] rt_sigreturn({mask=[]})     = 0
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid()                    = 5049
[pid  5049] rt_sigreturn({mask=[]})     = 132913
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid()                    = 5049
[pid  5049] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5049] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5050 attached
 <unfinished ...>
[pid  5050] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5049] <... clone3 resumed> => {parent_tid=[5050]}, 88) = 5050
[pid  5050] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5049] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5050] <... set_robust_list resumed>) = 0
[pid  5049] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5050] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5049] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5049] <... futex resumed>)        = 0
[pid  5050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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 <unfinished ...>
[pid  5049] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5050] <... bpf resumed>)          = 3
[pid  5050] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5050] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] <... futex resumed>)        = 0
[pid  5049] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... futex resumed>)        = 0
[pid  5049] <... futex resumed>)        = 1
[pid  5050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5049] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5050] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5050] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5049] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5050] <... futex resumed>)        = 0
[pid  5049] <... futex resumed>)        = 1
[pid  5050] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5049] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
./strace-static-x86_64: Process 5051 attached
[pid  5050] <... clone3 resumed>)       = 5051
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid( <unfinished ...>
[pid  5051] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5051] getpid( <unfinished ...>
[pid  5050] getpid( <unfinished ...>
[pid  5051] <... getpid resumed>)       = 5051
[pid  5049] <... getpid resumed>)       = 5049
[pid  5051] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5050] <... getpid resumed>)       = 5049
[pid  5051] <... rt_sigreturn resumed>) = 0
[pid  5050] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5049] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5048] exit(0 <unfinished ...>
[pid  5050] <... rt_sigreturn resumed>) = 5051
[pid  5048] <... exit resumed>)         = ?
[pid  5049] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5049] getpid( <unfinished ...>
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] <... getpid resumed>)       = 5049
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5049] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5050] <... rt_sigreturn resumed>) = 5051
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5049] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid( <unfinished ...>
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] <... getpid resumed>)       = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid( <unfinished ...>
[pid  5049] getpid( <unfinished ...>
[pid  5050] <... getpid resumed>)       = 5049
[pid  5049] <... getpid resumed>)       = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5049] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]})     = 5051
[pid  5049] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5050] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5050] getpid()                    = 5049
[pid  5050] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5048] +++ exited with 0 +++
[pid  5050] <... rt_sigreturn resumed>) = 5051
[pid  5050] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5050] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid()                    = 5049
[pid  5049] rt_sigreturn({mask=[]})     = 0
[pid  5049] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5049] getpid()                    = 5049
[pid  5049] rt_sigreturn({mask=[]})     = 0
[pid  5049] exit_group(0 <unfinished ...>
[pid  5050] <... futex resumed>)        = ?
[pid  5049] <... exit_group resumed>)   = ?
[pid  5050] +++ exited with 0 +++
[pid  5049] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5052 attached
, child_tidptr=0x55557fa82750) = 5052
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5052] setpgid(0, 0)               = 0
[pid  5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5052] write(3, "1000", 4)         = 4
[pid  5052] close(3)                    = 0
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5052] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5052] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]})     = 0
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]})     = 132913
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5052] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5053 attached
 => {parent_tid=[5053]}, 88) = 5053
[pid  5052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5052] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5052] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5053] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5053] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5053] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5053] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5053] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5052] <... futex resumed>)        = 0
[pid  5052] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5053] <... futex resumed>)        = 0
[pid  5052] <... futex resumed>)        = 1
[pid  5053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5052] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5053] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5052] <... futex resumed>)        = 0
[pid  5053] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5052] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5054 attached
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5053] <... clone3 resumed>)       = 5054
[pid  5053] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] <... rt_sigreturn resumed>) = 0
[pid  5053] getpid()                    = 5052
[pid  5053] rt_sigreturn({mask=[]})     = 5054
[pid  5053] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5051] exit(0)                     = ?
[pid  5053] getpid()                    = 5052
[pid  5053] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5053] <... rt_sigreturn resumed>) = 5054
[pid  5053] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid( <unfinished ...>
[pid  5053] getpid()                    = 5052
[pid  5052] <... getpid resumed>)       = 5052
[pid  5053] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5052] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5053] <... rt_sigreturn resumed>) = 5054
[pid  5052] <... rt_sigreturn resumed>) = 0
[pid  5053] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5053] getpid()                    = 5052
[pid  5053] rt_sigreturn({mask=[]})     = 5054
[pid  5053] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5052] <... futex resumed>)        = 0
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5053] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]})     = 0
[pid  5052] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5052] getpid()                    = 5052
[pid  5052] rt_sigreturn({mask=[]})     = 0
[pid  5052] exit_group(0 <unfinished ...>
[pid  5053] <... futex resumed>)        = ?
[pid  5052] <... exit_group resumed>)   = ?
[pid  5053] +++ exited with 0 +++
[pid  5052] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5055 attached
, child_tidptr=0x55557fa82750) = 5055
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] <... set_robust_list resumed>) = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5051] +++ exited with 0 +++
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5055] setpgid(0, 0)               = 0
[pid  5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5055] write(3, "1000", 4)         = 4
[pid  5055] close(3)                    = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5055] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]})     = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]})     = 132913
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5056 attached
 => {parent_tid=[5056]}, 88) = 5056
[pid  5055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5055] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5055] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5056] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5056] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5056] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5055] <... futex resumed>)        = 0
[pid  5056] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5055] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5055] <... futex resumed>)        = 0
[pid  5056] <... bpf resumed>)          = 4
[pid  5055] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5056] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5055] <... futex resumed>)        = 0
[pid  5055] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5056] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5055] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5057 attached
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5057] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5056] <... clone3 resumed>)       = 5057
[pid  5055] getpid( <unfinished ...>
[pid  5057] getpid( <unfinished ...>
[pid  5056] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] <... getpid resumed>)       = 5055
[pid  5057] <... getpid resumed>)       = 5057
[pid  5055] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5056] getpid( <unfinished ...>
[pid  5057] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5056] <... getpid resumed>)       = 5055
[pid  5055] <... rt_sigreturn resumed>) = 0
[pid  5057] <... rt_sigreturn resumed>) = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5056] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5056] <... rt_sigreturn resumed>) = 5057
[pid  5055] <... rt_sigreturn resumed>) = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5056] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] rt_sigreturn({mask=[]})     = 0
[pid  5055] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5056] getpid()                    = 5055
[pid  5056] rt_sigreturn({mask=[]})     = 5057
[pid  5056] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5056] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5055] <... futex resumed>)        = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]})     = 0
[pid  5055] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5055] getpid()                    = 5055
[pid  5055] rt_sigreturn({mask=[]})     = 0
[pid  5055] exit_group(0 <unfinished ...>
[pid  5056] <... futex resumed>)        = ?
[pid  5055] <... exit_group resumed>)   = ?
[pid  5056] +++ exited with 0 +++
[pid  5055] +++ exited with 0 +++
[pid  5054] exit(0 <unfinished ...>
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5054] <... exit resumed>)         = ?
./strace-static-x86_64: Process 5058 attached
[pid  5015] <... clone resumed>, child_tidptr=0x55557fa82750) = 5058
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] set_robust_list(0x55557fa82760, 24) = 0
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5058] setpgid(0, 0 <unfinished ...>
[pid  5054] +++ exited with 0 +++
[pid  5058] <... setpgid resumed>)      = 0
[pid  5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5058] write(3, "1000", 4)         = 4
[pid  5058] close(3)                    = 0
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5058] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5058] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid()                    = 5058
[pid  5058] rt_sigreturn({mask=[]})     = 0
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid()                    = 5058
[pid  5058] rt_sigreturn({mask=[]})     = 132913
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid()                    = 5058
[pid  5058] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5059 attached
 <unfinished ...>
[pid  5059] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5058] <... clone3 resumed> => {parent_tid=[5059]}, 88) = 5059
[pid  5059] <... rseq resumed>)         = 0
[pid  5058] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5059] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5058] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5059] <... set_robust_list resumed>) = 0
[pid  5059] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5058] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5059] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5058] <... futex resumed>)        = 0
[pid  5059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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 <unfinished ...>
[pid  5058] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5059] <... bpf resumed>)          = 3
[pid  5059] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5059] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5058] <... futex resumed>)        = 0
[pid  5059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5058] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5058] <... futex resumed>)        = 0
[pid  5059] <... bpf resumed>)          = 4
[pid  5058] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5059] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5058] <... futex resumed>)        = 0
[pid  5058] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5059] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5058] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5060 attached
[pid  5059] <... clone3 resumed>)       = 5060
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5059] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid( <unfinished ...>
[pid  5059] getpid( <unfinished ...>
[pid  5058] <... getpid resumed>)       = 5058
[pid  5058] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5059] <... getpid resumed>)       = 5058
[pid  5058] <... rt_sigreturn resumed>) = 0
[pid  5059] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5059] <... rt_sigreturn resumed>) = 5060
[pid  5059] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid( <unfinished ...>
[pid  5059] getpid( <unfinished ...>
[pid  5058] <... getpid resumed>)       = 5058
[pid  5059] <... getpid resumed>)       = 5058
[pid  5058] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5059] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5058] <... rt_sigreturn resumed>) = 0
[pid  5059] <... rt_sigreturn resumed>) = 5060
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5059] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5059] getpid( <unfinished ...>
[pid  5058] getpid( <unfinished ...>
[pid  5059] <... getpid resumed>)       = 5058
[pid  5058] <... getpid resumed>)       = 5058
[pid  5059] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5058] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5059] <... rt_sigreturn resumed>) = 5060
[pid  5058] <... rt_sigreturn resumed>) = 0
[pid  5059] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5058] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5059] <... futex resumed>)        = 0
[pid  5058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5059] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid()                    = 5058
[pid  5058] rt_sigreturn({mask=[]})     = 0
[pid  5058] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5058] getpid()                    = 5058
[pid  5058] rt_sigreturn({mask=[]})     = 0
[pid  5058] exit_group(0 <unfinished ...>
[pid  5059] <... futex resumed>)        = ?
[pid  5058] <... exit_group resumed>)   = ?
[pid  5059] +++ exited with 0 +++
[pid  5058] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5061 attached
, child_tidptr=0x55557fa82750) = 5061
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] set_robust_list(0x55557fa82760, 24) = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5057] exit(0 <unfinished ...>
[pid  5061] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5057] <... exit resumed>)         = ?
[pid  5061] <... prctl resumed>)        = 0
[pid  5061] setpgid(0, 0)               = 0
[pid  5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5061] write(3, "1000", 4)         = 4
[pid  5061] close(3)                    = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5061] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5061] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] getpid()                    = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] getpid()                    = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 132913
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] getpid( <unfinished ...>
[pid  5057] +++ exited with 0 +++
[pid  5061] <... getpid resumed>)       = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5061] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5062 attached
 => {parent_tid=[5062]}, 88) = 5062
[pid  5061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5061] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5061] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5062] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5062] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5062] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5062] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5061] <... futex resumed>)        = 0
[pid  5061] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5062] <... futex resumed>)        = 0
[pid  5061] <... futex resumed>)        = 1
[pid  5062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5061] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5062] <... bpf resumed>)          = 4
[pid  5062] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5061] <... futex resumed>)        = 0
[pid  5061] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5062] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5061] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5063 attached
 <unfinished ...>
[pid  5062] <... clone3 resumed>)       = 5063
[pid  5063] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5063] getpid()                    = 5063
[pid  5063] rt_sigreturn({mask=[]})     = 0
[pid  5062] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5062] getpid()                    = 5061
[pid  5062] rt_sigreturn({mask=[]})     = 5063
[pid  5062] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5062] getpid()                    = 5061
[pid  5062] rt_sigreturn({mask=[]})     = 5063
[pid  5062] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5062] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5061] <... futex resumed>)        = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5062] <... futex resumed>)        = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid  5061] getpid( <unfinished ...>
[pid  5062] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5062] getpid( <unfinished ...>
[pid  5061] <... getpid resumed>)       = 5061
[pid  5061] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5062] <... getpid resumed>)       = 5061
[pid  5062] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5061] <... rt_sigreturn resumed>) = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5060] exit(0 <unfinished ...>
[pid  5062] <... rt_sigreturn resumed>) = 202
[pid  5061] getpid( <unfinished ...>
[pid  5060] <... exit resumed>)         = ?
[pid  5062] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5061] <... getpid resumed>)       = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] getpid()                    = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 0
[pid  5061] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5061] getpid( <unfinished ...>
[pid  5060] +++ exited with 0 +++
[pid  5061] <... getpid resumed>)       = 5061
[pid  5061] rt_sigreturn({mask=[]})     = 0
[pid  5061] exit_group(0)               = ?
[pid  5062] <... futex resumed>)        = ?
[pid  5062] +++ exited with 0 +++
[pid  5061] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5064 attached
, child_tidptr=0x55557fa82750) = 5064
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5064] setpgid(0, 0)               = 0
[pid  5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5064] write(3, "1000", 4)         = 4
[pid  5064] close(3)                    = 0
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5064] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5064] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] getpid()                    = 5064
[pid  5064] rt_sigreturn({mask=[]})     = 0
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] getpid()                    = 5064
[pid  5064] rt_sigreturn({mask=[]})     = 132913
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] getpid()                    = 5064
[pid  5064] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5064] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5065]}, 88) = 5065
[pid  5064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5064] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5064] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5065 attached
 <unfinished ...>
[pid  5065] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5065] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5065] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5065] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5064] <... futex resumed>)        = 0
[pid  5064] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5065] <... futex resumed>)        = 0
[pid  5064] <... futex resumed>)        = 1
[pid  5065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5064] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5065] <... bpf resumed>)          = 4
[pid  5065] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5064] <... futex resumed>)        = 0
[pid  5064] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5065] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5064] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5066 attached
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] <... clone3 resumed>)       = 5066
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] getpid()                    = 5064
[pid  5064] getpid( <unfinished ...>
[pid  5065] rt_sigreturn({mask=[]})     = 5066
[pid  5064] <... getpid resumed>)       = 5064
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] getpid()                    = 5064
[pid  5065] rt_sigreturn({mask=[]})     = 5066
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5063] exit(0)                     = ?
[pid  5065] getpid( <unfinished ...>
[pid  5064] <... rt_sigreturn resumed>) = 0
[pid  5065] <... getpid resumed>)       = 5064
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5064] getpid( <unfinished ...>
[pid  5065] <... rt_sigreturn resumed>) = 5066
[pid  5064] <... getpid resumed>)       = 5064
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5065] getpid( <unfinished ...>
[pid  5064] <... rt_sigreturn resumed>) = 0
[pid  5065] <... getpid resumed>)       = 5064
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5064] getpid( <unfinished ...>
[pid  5065] <... rt_sigreturn resumed>) = 5066
[pid  5064] <... getpid resumed>)       = 5064
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5063] +++ exited with 0 +++
[pid  5065] getpid( <unfinished ...>
[pid  5064] <... rt_sigreturn resumed>) = 0
[pid  5065] <... getpid resumed>)       = 5064
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5065] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5064] getpid( <unfinished ...>
[pid  5065] <... rt_sigreturn resumed>) = 5066
[pid  5064] <... getpid resumed>)       = 5064
[pid  5065] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5065] getpid( <unfinished ...>
[pid  5064] <... rt_sigreturn resumed>) = 0
[pid  5065] <... getpid resumed>)       = 5064
[pid  5065] rt_sigreturn({mask=[]})     = 5066
[pid  5065] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5064] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5065] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5064] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] getpid()                    = 5064
[pid  5064] rt_sigreturn({mask=[]})     = 0
[pid  5064] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5064] getpid()                    = 5064
[pid  5064] rt_sigreturn({mask=[]})     = 0
[pid  5064] exit_group(0 <unfinished ...>
[pid  5065] <... futex resumed>)        = ?
[pid  5064] <... exit_group resumed>)   = ?
[pid  5065] +++ exited with 0 +++
[pid  5064] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
, child_tidptr=0x55557fa82750) = 5067
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5067] setpgid(0, 0)               = 0
[pid  5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1000", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5067] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 0
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 132913
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5068]}, 88) = 5068
./strace-static-x86_64: Process 5068 attached
[pid  5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5067] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5068] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5068] <... rseq resumed>)         = 0
[pid  5068] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5068] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5068] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5068] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5067] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5068] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5068] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5068] <... futex resumed>)        = 0
[pid  5067] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5068] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5069 attached
 <unfinished ...>
[pid  5069] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5066] exit(0 <unfinished ...>
[pid  5068] <... clone3 resumed>)       = 5069
[pid  5068] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5068] getpid()                    = 5067
[pid  5066] <... exit resumed>)         = ?
[pid  5069] getpid( <unfinished ...>
[pid  5068] rt_sigreturn({mask=[]})     = 5069
[pid  5068] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5068] getpid()                    = 5067
[pid  5068] rt_sigreturn({mask=[]})     = 5069
[pid  5068] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5069] <... getpid resumed>)       = 5069
[pid  5068] <... futex resumed>)        = 1
[pid  5067] <... futex resumed>)        = 0
[pid  5068] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5069] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5068] <... futex resumed>)        = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid  5068] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid( <unfinished ...>
[pid  5068] getpid( <unfinished ...>
[pid  5067] <... getpid resumed>)       = 5067
[pid  5069] <... rt_sigreturn resumed>) = 0
[pid  5068] <... getpid resumed>)       = 5067
[pid  5067] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5068] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5067] <... rt_sigreturn resumed>) = 0
[pid  5068] <... rt_sigreturn resumed>) = 202
[pid  5068] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 0
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 0
[pid  5067] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5067] getpid()                    = 5067
[pid  5067] rt_sigreturn({mask=[]})     = 0
[pid  5067] exit_group(0 <unfinished ...>
[pid  5068] <... futex resumed>)        = ?
[pid  5067] <... exit_group resumed>)   = ?
[pid  5068] +++ exited with 0 +++
[pid  5066] +++ exited with 0 +++
[pid  5067] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached
, child_tidptr=0x55557fa82750) = 5070
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] set_robust_list(0x55557fa82760, 24) = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5070] setpgid(0, 0)               = 0
[pid  5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1000", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5070] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5070] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 132913
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5071 attached
 => {parent_tid=[5071]}, 88) = 5071
[pid  5071] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5070] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5071] <... rseq resumed>)         = 0
[pid  5071] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5070] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5071] <... set_robust_list resumed>) = 0
[pid  5070] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5071] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5070] <... futex resumed>)        = 0
[pid  5071] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5070] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5071] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5070] <... futex resumed>)        = 0
[pid  5070] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5070] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5071] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5070] <... futex resumed>)        = 0
[pid  5070] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5070] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5072 attached
 <unfinished ...>
[pid  5072] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5072] getpid()                    = 5072
[pid  5071] <... clone3 resumed>)       = 5072
[pid  5071] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5072] rt_sigreturn({mask=[]})     = 0
[pid  5071] getpid()                    = 5070
[pid  5071] rt_sigreturn({mask=[]})     = 5072
[pid  5071] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5071] getpid()                    = 5070
[pid  5071] rt_sigreturn({mask=[]})     = 5072
[pid  5071] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5071] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5070] <... futex resumed>)        = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5071] <... futex resumed>)        = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid  5070] getpid( <unfinished ...>
[pid  5071] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] <... getpid resumed>)       = 5070
[pid  5071] getpid( <unfinished ...>
[pid  5070] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5071] <... getpid resumed>)       = 5070
[pid  5070] <... rt_sigreturn resumed>) = 0
[pid  5071] rt_sigreturn({mask=[]})     = 202
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5071] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 0
[pid  5070] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5070] getpid()                    = 5070
[pid  5070] rt_sigreturn({mask=[]})     = 0
[pid  5070] exit_group(0 <unfinished ...>
[pid  5071] <... futex resumed>)        = ?
[pid  5070] <... exit_group resumed>)   = ?
[pid  5071] +++ exited with 0 +++
[pid  5070] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached
, child_tidptr=0x55557fa82750) = 5073
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5073] setpgid(0, 0)               = 0
[pid  5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5069] exit(0)                     = ?
[pid  5073] <... openat resumed>)       = 3
[pid  5073] write(3, "1000", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5073] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5073] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 132913
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5074 attached
 => {parent_tid=[5074]}, 88) = 5074
[pid  5073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5073] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5073] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5074] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5069] +++ exited with 0 +++
[pid  5074] <... rseq resumed>)         = 0
[pid  5074] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5074] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5073] <... futex resumed>)        = 0
[pid  5074] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5073] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5074] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5073] <... futex resumed>)        = 0
[pid  5074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5073] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5074] <... bpf resumed>)          = 4
[pid  5074] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5073] <... futex resumed>)        = 0
[pid  5074] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5073] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5075 attached
[pid  5074] <... clone3 resumed>)       = 5075
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5075] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5074] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5075] getpid( <unfinished ...>
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5073] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5074] getpid( <unfinished ...>
[pid  5075] <... getpid resumed>)       = 5075
[pid  5074] <... getpid resumed>)       = 5073
[pid  5075] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5074] rt_sigreturn({mask=[]})     = 5075
[pid  5074] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5075] <... rt_sigreturn resumed>) = 0
[pid  5074] getpid()                    = 5073
[pid  5074] rt_sigreturn({mask=[]})     = 5075
[pid  5074] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5073] <... futex resumed>)        = 0
[pid  5074] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5073] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5073] getpid()                    = 5073
[pid  5073] rt_sigreturn({mask=[]})     = 0
[pid  5073] exit_group(0 <unfinished ...>
[pid  5074] <... futex resumed>)        = ?
[pid  5073] <... exit_group resumed>)   = ?
[pid  5074] +++ exited with 0 +++
[pid  5072] exit(0)                     = ?
[pid  5073] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
, child_tidptr=0x55557fa82750) = 5076
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] set_robust_list(0x55557fa82760, 24) = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5072] +++ exited with 0 +++
[pid  5076] <... prctl resumed>)        = 0
[pid  5076] setpgid(0, 0)               = 0
[pid  5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1000", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5076] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5076] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] getpid()                    = 5076
[pid  5076] rt_sigreturn({mask=[]})     = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] getpid()                    = 5076
[pid  5076] rt_sigreturn({mask=[]})     = 132913
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] getpid()                    = 5076
[pid  5076] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5077 attached
 <unfinished ...>
[pid  5077] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5076] <... clone3 resumed> => {parent_tid=[5077]}, 88) = 5077
[pid  5077] <... rseq resumed>)         = 0
[pid  5076] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5077] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5076] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5077] <... set_robust_list resumed>) = 0
[pid  5077] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5076] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5077] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5076] <... futex resumed>)        = 0
[pid  5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5076] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5077] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5076] <... futex resumed>)        = 0
[pid  5076] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5076] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5077] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5076] <... futex resumed>)        = 0
[pid  5076] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5077] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5076] <... futex resumed>)        = 0
[pid  5076] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5078 attached
) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5077] <... clone3 resumed>)       = 5078
[pid  5076] getpid( <unfinished ...>
[pid  5077] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] <... getpid resumed>)       = 5076
[pid  5076] rt_sigreturn({mask=[]})     = -1 EINTR (Interrupted system call)
[pid  5078] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5078] getpid( <unfinished ...>
[pid  5077] getpid( <unfinished ...>
[pid  5076] getpid( <unfinished ...>
[pid  5078] <... getpid resumed>)       = 5078
[pid  5077] <... getpid resumed>)       = 5076
[pid  5076] <... getpid resumed>)       = 5076
[pid  5077] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5076] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5077] <... rt_sigreturn resumed>) = 5078
[pid  5076] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5078] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5077] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=35000000} <unfinished ...>
[pid  5077] getpid()                    = 5076
[pid  5077] rt_sigreturn({mask=[]})     = 5078
[pid  5078] <... rt_sigreturn resumed>) = 0
[pid  5077] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5077] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5076] <... futex resumed>)        = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] getpid()                    = 5076
[pid  5076] rt_sigreturn({mask=[]})     = 0
[pid  5076] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5076] getpid()                    = 5076
[pid  5076] rt_sigreturn({mask=[]})     = 0
[pid  5076] exit_group(0)               = ?
[pid  5077] <... futex resumed>)        = ?
[pid  5077] +++ exited with 0 +++
[pid  5076] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x55557fa82750) = 5079
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] set_robust_list(0x55557fa82760, 24) = 0
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5079] setpgid(0, 0)               = 0
[pid  5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1000", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] <... futex resumed>)        = 0
[pid  5075] exit(0)                     = ?
[pid  5079] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5079] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = 0
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = 132913
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5080 attached
 => {parent_tid=[5080]}, 88) = 5080
[pid  5080] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5079] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5080] <... rseq resumed>)         = 0
[pid  5079] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5080] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5079] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5075] +++ exited with 0 +++
[pid  5080] <... set_robust_list resumed>) = 0
[pid  5079] <... futex resumed>)        = 0
[pid  5080] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5079] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5080] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5080] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5079] <... futex resumed>)        = 0
[pid  5080] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5079] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5080] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5079] <... futex resumed>)        = 0
[pid  5080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5079] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5080] <... bpf resumed>)          = 4
[pid  5080] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5079] <... futex resumed>)        = 0
[pid  5079] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5080] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5079] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
./strace-static-x86_64: Process 5081 attached
[pid  5081] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = -1 EINTR (Interrupted system call)
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5080] <... clone3 resumed>)       = 5081
[pid  5079] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5081] getpid( <unfinished ...>
[pid  5080] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5080] getpid( <unfinished ...>
[pid  5081] <... getpid resumed>)       = 5081
[pid  5080] <... getpid resumed>)       = 5079
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5080] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5079] getpid( <unfinished ...>
[pid  5081] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5080] <... rt_sigreturn resumed>) = 5081
[pid  5079] <... getpid resumed>)       = 5079
[pid  5081] <... rt_sigreturn resumed>) = 0
[pid  5080] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5080] getpid( <unfinished ...>
[pid  5079] <... rt_sigreturn resumed>) = -1 EINTR (Interrupted system call)
[pid  5079] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=27000000} <unfinished ...>
[pid  5080] <... getpid resumed>)       = 5079
[pid  5080] rt_sigreturn({mask=[]})     = 5081
[pid  5080] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5079] <... futex resumed>)        = 0
[pid  5080] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = 0
[pid  5079] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5079] getpid()                    = 5079
[pid  5079] rt_sigreturn({mask=[]})     = 0
[pid  5079] exit_group(0)               = ?
[pid  5080] <... futex resumed>)        = ?
[pid  5080] +++ exited with 0 +++
[pid  5079] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached
, child_tidptr=0x55557fa82750) = 5082
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] set_robust_list(0x55557fa82760, 24) = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5082] setpgid(0, 0)               = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] <... openat resumed>)       = 3
[pid  5082] write(3, "1000", 4)         = 4
[pid  5082] close(3)                    = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5082] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5082] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] getpid()                    = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] getpid()                    = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 132913
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5078] exit(0 <unfinished ...>
[pid  5082] getpid( <unfinished ...>
[pid  5078] <... exit resumed>)         = ?
[pid  5082] <... getpid resumed>)       = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5083 attached
 <unfinished ...>
[pid  5083] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5082] <... clone3 resumed> => {parent_tid=[5083]}, 88) = 5083
[pid  5083] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5082] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5083] <... set_robust_list resumed>) = 0
[pid  5082] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5083] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5082] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5083] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5082] <... futex resumed>)        = 0
[pid  5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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 <unfinished ...>
[pid  5082] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5083] <... bpf resumed>)          = 3
[pid  5083] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5082] <... futex resumed>)        = 0
[pid  5082] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5082] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5078] +++ exited with 0 +++
[pid  5083] <... bpf resumed>)          = 4
[pid  5083] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5082] <... futex resumed>)        = 0
[pid  5083] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5082] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5084 attached
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5084] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5084] getpid( <unfinished ...>
[pid  5083] <... clone3 resumed>)       = 5084
[pid  5082] getpid( <unfinished ...>
[pid  5083] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] <... getpid resumed>)       = 5082
[pid  5084] <... getpid resumed>)       = 5084
[pid  5084] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5082] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5083] getpid( <unfinished ...>
[pid  5084] <... rt_sigreturn resumed>) = 0
[pid  5082] <... rt_sigreturn resumed>) = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5083] <... getpid resumed>)       = 5082
[pid  5082] getpid()                    = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 0
[pid  5083] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] getpid()                    = 5082
[pid  5083] <... rt_sigreturn resumed>) = 5084
[pid  5082] rt_sigreturn({mask=[]})     = 0
[pid  5082] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5083] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5083] getpid()                    = 5082
[pid  5083] rt_sigreturn({mask=[]})     = 5084
[pid  5083] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5082] <... futex resumed>)        = 0
[pid  5083] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] getpid()                    = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 0
[pid  5082] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5082] getpid()                    = 5082
[pid  5082] rt_sigreturn({mask=[]})     = 0
[pid  5082] exit_group(0 <unfinished ...>
[pid  5083] <... futex resumed>)        = ?
[pid  5082] <... exit_group resumed>)   = ?
[pid  5083] +++ exited with 0 +++
[pid  5082] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached
, child_tidptr=0x55557fa82750) = 5085
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5081] exit(0)                     = ?
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] set_robust_list(0x55557fa82760, 24) = 0
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5085] setpgid(0, 0)               = 0
[pid  5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5085] write(3, "1000", 4)         = 4
[pid  5085] close(3)                    = 0
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5085] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5085] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5081] +++ exited with 0 +++
[pid  5085] getpid()                    = 5085
[pid  5085] rt_sigreturn({mask=[]})     = 0
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] getpid()                    = 5085
[pid  5085] rt_sigreturn({mask=[]})     = 132913
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] getpid()                    = 5085
[pid  5085] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5086]}, 88) = 5086
[pid  5085] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5086 attached
NULL, 8) = 0
[pid  5085] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5085] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5086] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5086] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5086] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5085] <... futex resumed>)        = 0
[pid  5086] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5085] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5085] <... futex resumed>)        = 0
[pid  5086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5085] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5086] <... bpf resumed>)          = 4
[pid  5086] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5085] <... futex resumed>)        = 0
[pid  5085] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5085] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5086] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5087 attached
) = 5087
[pid  5086] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5086] getpid()                    = 5085
[pid  5086] rt_sigreturn({mask=[]})     = 5087
[pid  5085] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5086] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5086] getpid( <unfinished ...>
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5086] <... getpid resumed>)       = 5085
[pid  5086] rt_sigreturn({mask=[]})     = 5087
[pid  5086] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5086] getpid()                    = 5085
[pid  5086] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5085] getpid( <unfinished ...>
[pid  5086] <... rt_sigreturn resumed>) = 5087
[pid  5086] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5086] getpid( <unfinished ...>
[pid  5085] <... getpid resumed>)       = 5085
[pid  5086] <... getpid resumed>)       = 5085
[pid  5086] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5085] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5086] <... rt_sigreturn resumed>) = 5087
[pid  5086] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] <... rt_sigreturn resumed>) = 219
[pid  5086] getpid( <unfinished ...>
[pid  5085] restart_syscall(<... resuming interrupted rt_sigreturn ...> <unfinished ...>
[pid  5086] <... getpid resumed>)       = 5085
[pid  5086] rt_sigreturn({mask=[]})     = 5087
[pid  5085] <... restart_syscall resumed>) = -1 EINTR (Interrupted system call)
[pid  5086] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5086] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5085] getpid()                    = 5085
[pid  5084] exit(0 <unfinished ...>
[pid  5085] rt_sigreturn({mask=[]})     = 0
[pid  5085] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5084] <... exit resumed>)         = ?
[pid  5085] getpid()                    = 5085
[pid  5085] rt_sigreturn({mask=[]})     = 0
[pid  5085] exit_group(0)               = ?
[pid  5086] <... futex resumed>)        = ?
[pid  5086] +++ exited with 0 +++
[pid  5085] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5084] +++ exited with 0 +++
./strace-static-x86_64: Process 5088 attached
[pid  5015] <... clone resumed>, child_tidptr=0x55557fa82750) = 5088
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5088] setpgid(0, 0)               = 0
[pid  5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5088] write(3, "1000", 4)         = 4
[pid  5088] close(3)                    = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5088] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5088] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] getpid()                    = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] getpid()                    = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 132913
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] getpid()                    = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5088] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5089 attached
 => {parent_tid=[5089]}, 88) = 5089
[pid  5088] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5088] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5088] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5089] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5089] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5089] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5088] <... futex resumed>)        = 0
[pid  5089] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5088] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5088] <... futex resumed>)        = 0
[pid  5089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5088] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5089] <... bpf resumed>)          = 4
[pid  5089] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5088] <... futex resumed>)        = 0
[pid  5088] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5088] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5089] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5090 attached
 <unfinished ...>
[pid  5090] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5090] getpid()                    = 5090
[pid  5090] rt_sigreturn({mask=[]})     = 0
[pid  5089] <... clone3 resumed>)       = 5090
[pid  5089] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5089] getpid()                    = 5088
[pid  5089] rt_sigreturn({mask=[]})     = 5090
[pid  5089] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5089] getpid()                    = 5088
[pid  5089] rt_sigreturn({mask=[]})     = 5090
[pid  5089] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5088] <... futex resumed>)        = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5089] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5088] getpid( <unfinished ...>
[pid  5089] <... futex resumed>)        = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
[pid  5087] exit(0 <unfinished ...>
[pid  5089] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] <... getpid resumed>)       = 5088
[pid  5089] getpid( <unfinished ...>
[pid  5088] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5087] <... exit resumed>)         = ?
[pid  5089] <... getpid resumed>)       = 5088
[pid  5088] <... rt_sigreturn resumed>) = 0
[pid  5089] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5089] <... rt_sigreturn resumed>) = 202
[pid  5088] getpid( <unfinished ...>
[pid  5089] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5088] <... getpid resumed>)       = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] getpid()                    = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 0
[pid  5088] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5088] getpid()                    = 5088
[pid  5088] rt_sigreturn({mask=[]})     = 0
[pid  5088] exit_group(0 <unfinished ...>
[pid  5089] <... futex resumed>)        = ?
[pid  5088] <... exit_group resumed>)   = ?
[pid  5089] +++ exited with 0 +++
[pid  5088] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5087] +++ exited with 0 +++
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
, child_tidptr=0x55557fa82750) = 5091
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] set_robust_list(0x55557fa82760, 24) = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5091] setpgid(0, 0)               = 0
[pid  5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5091] write(3, "1000", 4)         = 4
[pid  5091] close(3)                    = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5091] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5091] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] getpid()                    = 5091
[pid  5091] rt_sigreturn({mask=[]})     = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] getpid()                    = 5091
[pid  5091] rt_sigreturn({mask=[]})     = 132913
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] getpid()                    = 5091
[pid  5091] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5092 attached
 => {parent_tid=[5092]}, 88) = 5092
[pid  5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5091] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5091] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5092] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5092] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5092] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5092] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5091] <... futex resumed>)        = 0
[pid  5091] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5092] <... futex resumed>)        = 0
[pid  5091] <... futex resumed>)        = 1
[pid  5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5091] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5092] <... bpf resumed>)          = 4
[pid  5092] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5091] <... futex resumed>)        = 0
[pid  5092] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5091] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5093 attached
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] <... clone3 resumed>)       = 5093
[pid  5090] exit(0 <unfinished ...>
[pid  5093] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5091] getpid( <unfinished ...>
[pid  5090] <... exit resumed>)         = ?
[pid  5093] getpid( <unfinished ...>
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid()                    = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5093] <... getpid resumed>)       = 5093
[pid  5092] getpid( <unfinished ...>
[pid  5091] <... getpid resumed>)       = 5091
[pid  5093] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5092] <... getpid resumed>)       = 5091
[pid  5091] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5092] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5093] <... rt_sigreturn resumed>) = 0
[pid  5092] <... rt_sigreturn resumed>) = 5093
[pid  5091] <... rt_sigreturn resumed>) = 0
[pid  5092] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5092] getpid( <unfinished ...>
[pid  5091] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5092] <... getpid resumed>)       = 5091
[pid  5092] rt_sigreturn({mask=[]})     = 5093
[pid  5092] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5091] <... futex resumed>)        = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] getpid()                    = 5091
[pid  5091] rt_sigreturn({mask=[]})     = 0
[pid  5091] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5091] getpid()                    = 5091
[pid  5091] rt_sigreturn({mask=[]})     = 0
[pid  5091] exit_group(0)               = ?
[pid  5090] +++ exited with 0 +++
[pid  5092] +++ exited with 0 +++
[pid  5091] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
, child_tidptr=0x55557fa82750) = 5094
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] set_robust_list(0x55557fa82760, 24 <unfinished ...>
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] <... set_robust_list resumed>) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5094] setpgid(0, 0)               = 0
[pid  5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5094] write(3, "1000", 4)         = 4
[pid  5094] close(3)                    = 0
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5094] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5094] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] getpid()                    = 5094
[pid  5094] rt_sigreturn({mask=[]})     = 0
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] getpid()                    = 5094
[pid  5094] rt_sigreturn({mask=[]})     = 132913
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] getpid()                    = 5094
[pid  5094] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5095 attached
 <unfinished ...>
[pid  5095] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5094] <... clone3 resumed> => {parent_tid=[5095]}, 88) = 5095
[pid  5095] <... rseq resumed>)         = 0
[pid  5094] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5095] set_robust_list(0x7fb3a0b2a9a0, 24 <unfinished ...>
[pid  5094] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5095] <... set_robust_list resumed>) = 0
[pid  5095] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5094] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5095] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5094] <... futex resumed>)        = 0
[pid  5095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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 <unfinished ...>
[pid  5094] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5095] <... bpf resumed>)          = 3
[pid  5095] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5094] <... futex resumed>)        = 0
[pid  5095] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5094] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5094] <... futex resumed>)        = 0
[pid  5095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5094] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5095] <... bpf resumed>)          = 4
[pid  5095] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5094] <... futex resumed>)        = 0
[pid  5095] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5094] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5095] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5094] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5096 attached
[pid  5095] <... clone3 resumed>)       = 5096
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5096] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5095] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5096] getpid( <unfinished ...>
[pid  5095] getpid( <unfinished ...>
[pid  5094] getpid( <unfinished ...>
[pid  5096] <... getpid resumed>)       = 5096
[pid  5095] <... getpid resumed>)       = 5094
[pid  5094] <... getpid resumed>)       = 5094
[pid  5096] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5095] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5096] <... rt_sigreturn resumed>) = 0
[pid  5094] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5095] <... rt_sigreturn resumed>) = 5096
[pid  5094] <... rt_sigreturn resumed>) = 0
[pid  5095] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5095] getpid( <unfinished ...>
[pid  5094] getpid( <unfinished ...>
[pid  5095] <... getpid resumed>)       = 5094
[pid  5094] <... getpid resumed>)       = 5094
[pid  5095] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5094] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5095] <... rt_sigreturn resumed>) = 5096
[pid  5094] <... rt_sigreturn resumed>) = 0
[pid  5095] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5095] getpid()                    = 5094
[pid  5095] rt_sigreturn({mask=[]})     = 5096
[pid  5095] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5095] getpid()                    = 5094
[pid  5095] rt_sigreturn({mask=[]})     = 5096
[pid  5095] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5095] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5094] <... futex resumed>)        = 0
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] getpid()                    = 5094
[pid  5094] rt_sigreturn({mask=[]})     = 0
[pid  5094] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5094] getpid()                    = 5094
[pid  5094] rt_sigreturn({mask=[]})     = 0
[pid  5094] exit_group(0)               = ?
[pid  5095] <... futex resumed>)        = ?
[pid  5095] +++ exited with 0 +++
[pid  5094] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5093] exit(0./strace-static-x86_64: Process 5097 attached
)                     = ?
[pid  5015] <... clone resumed>, child_tidptr=0x55557fa82750) = 5097
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] set_robust_list(0x55557fa82760, 24) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5097] setpgid(0, 0)               = 0
[pid  5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5097] write(3, "1000", 4)         = 4
[pid  5097] close(3)                    = 0
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5097] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 0
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 132913
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5093] +++ exited with 0 +++
[pid  5097] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0} => {parent_tid=[5098]}, 88) = 5098
[pid  5097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5097] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5097] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5098 attached
 <unfinished ...>
[pid  5098] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5098] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5098] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5097] <... futex resumed>)        = 0
[pid  5097] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] <... futex resumed>)        = 0
[pid  5097] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5098] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5097] <... futex resumed>)        = 0
[pid  5097] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5098] <... futex resumed>)        = 0
[pid  5097] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5098] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88./strace-static-x86_64: Process 5099 attached
) = 5099
[pid  5099] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] getpid()                    = 5097
[pid  5098] rt_sigreturn({mask=[]})     = 5099
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] getpid()                    = 5097
[pid  5098] rt_sigreturn({mask=[]})     = 5099
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] getpid()                    = 5097
[pid  5098] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5099] getpid( <unfinished ...>
[pid  5098] <... rt_sigreturn resumed>) = 5099
[pid  5097] <... futex resumed>)        = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] getpid()                    = 5097
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5099] <... getpid resumed>)       = 5099
[pid  5098] rt_sigreturn({mask=[]})     = 5099
[pid  5099] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5099] <... rt_sigreturn resumed>) = 0
[pid  5098] getpid( <unfinished ...>
[pid  5097] getpid( <unfinished ...>
[pid  5098] <... getpid resumed>)       = 5097
[pid  5098] rt_sigreturn({mask=[]})     = 5099
[pid  5096] exit(0 <unfinished ...>
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] <... getpid resumed>)       = 5097
[pid  5096] <... exit resumed>)         = ?
[pid  5098] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 219
[pid  5098] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5098] <... rt_sigreturn resumed>) = 5099
[pid  5097] getpid( <unfinished ...>
[pid  5098] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] <... getpid resumed>)       = 5097
[pid  5097] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5098] getpid()                    = 5097
[pid  5098] rt_sigreturn({mask=[]})     = 5099
[pid  5097] <... rt_sigreturn resumed>) = 219
[pid  5098] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5098] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5097] restart_syscall(<... resuming interrupted rt_sigreturn ...>) = -1 EINTR (Interrupted system call)
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 0
[pid  5097] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5097] getpid()                    = 5097
[pid  5097] rt_sigreturn({mask=[]})     = 0
[pid  5097] exit_group(0 <unfinished ...>
[pid  5098] <... futex resumed>)        = ?
[pid  5097] <... exit_group resumed>)   = ?
[pid  5098] +++ exited with 0 +++
[pid  5097] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5096] +++ exited with 0 +++
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
, child_tidptr=0x55557fa82750) = 5100
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] set_robust_list(0x55557fa82760, 24) = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5100] setpgid(0, 0)               = 0
[pid  5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5100] write(3, "1000", 4)         = 4
[pid  5100] close(3)                    = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5100] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5100] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 132913
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5101 attached
 => {parent_tid=[5101]}, 88) = 5101
[pid  5100] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5100] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5100] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5101] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5101] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5101] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5101] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5100] <... futex resumed>)        = 0
[pid  5100] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5101] <... futex resumed>)        = 0
[pid  5100] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16) = 4
[pid  5101] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5100] <... futex resumed>)        = 0
[pid  5101] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5100] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5101] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5100] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5102 attached
[pid  5101] <... clone3 resumed>)       = 5102
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5102] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5101] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5102] getpid( <unfinished ...>
[pid  5101] getpid( <unfinished ...>
[pid  5102] <... getpid resumed>)       = 5102
[pid  5102] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5101] <... getpid resumed>)       = 5100
[pid  5102] <... rt_sigreturn resumed>) = 0
[pid  5101] rt_sigreturn({mask=[]})     = 5102
[pid  5101] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5101] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5100] <... futex resumed>)        = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid()                    = 5100
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5100] getpid( <unfinished ...>
[pid  5099] exit(0 <unfinished ...>
[pid  5100] <... getpid resumed>)       = 5100
[pid  5099] <... exit resumed>)         = ?
[pid  5100] rt_sigreturn({mask=[]})     = 0
[pid  5100] exit_group(0)               = ?
[pid  5101] <... futex resumed>)        = ?
[pid  5101] +++ exited with 0 +++
[pid  5100] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
, child_tidptr=0x55557fa82750) = 5103
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] set_robust_list(0x55557fa82760, 24) = 0
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5099] +++ exited with 0 +++
[pid  5103] <... prctl resumed>)        = 0
[pid  5103] setpgid(0, 0)               = 0
[pid  5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5103] write(3, "1000", 4)         = 4
[pid  5103] close(3)                    = 0
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5103] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5103] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid()                    = 5103
[pid  5103] rt_sigreturn({mask=[]})     = 0
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid()                    = 5103
[pid  5103] rt_sigreturn({mask=[]})     = 132913
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid()                    = 5103
[pid  5103] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5103] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5104 attached
 => {parent_tid=[5104]}, 88) = 5104
[pid  5103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5103] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5103] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5104] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5104] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5104] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5103] <... futex resumed>)        = 0
[pid  5104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5103] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5104] <... bpf resumed>)          = 4
[pid  5103] <... futex resumed>)        = 0
[pid  5103] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5104] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5103] <... futex resumed>)        = 0
[pid  5104] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5103] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5105 attached
[pid  5104] <... clone3 resumed>)       = 5105
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5105] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5104] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid( <unfinished ...>
[pid  5105] getpid( <unfinished ...>
[pid  5104] getpid( <unfinished ...>
[pid  5105] <... getpid resumed>)       = 5105
[pid  5104] <... getpid resumed>)       = 5103
[pid  5103] <... getpid resumed>)       = 5103
[pid  5105] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5104] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5103] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5105] <... rt_sigreturn resumed>) = 0
[pid  5104] <... rt_sigreturn resumed>) = 5105
[pid  5104] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] <... rt_sigreturn resumed>) = 0
[pid  5104] getpid()                    = 5103
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5104] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5103] getpid( <unfinished ...>
[pid  5104] <... rt_sigreturn resumed>) = 5105
[pid  5103] <... getpid resumed>)       = 5103
[pid  5104] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] rt_sigreturn({mask=[]} <unfinished ...>
[pid  5104] getpid( <unfinished ...>
[pid  5103] <... rt_sigreturn resumed>) = 0
[pid  5104] <... getpid resumed>)       = 5103
[pid  5103] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5104] rt_sigreturn({mask=[]})     = 5105
[pid  5104] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5103] <... futex resumed>)        = 0
[pid  5104] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid()                    = 5103
[pid  5103] rt_sigreturn({mask=[]})     = 0
[pid  5103] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5103] getpid()                    = 5103
[pid  5103] rt_sigreturn({mask=[]})     = 0
[pid  5103] exit_group(0)               = ?
[pid  5104] <... futex resumed>)        = ?
[pid  5104] +++ exited with 0 +++
[pid  5103] +++ exited with 0 +++
[pid  5015] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[pid  5015] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5102] exit(0)                     = ?
[pid  5015] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached
, child_tidptr=0x55557fa82750) = 5106
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5015] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] set_robust_list(0x55557fa82760, 24) = 0
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5106] setpgid(0, 0)               = 0
[pid  5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5106] write(3, "1000", 4)         = 4
[pid  5106] close(3)                    = 0
[pid  5102] +++ exited with 0 +++
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5106] rt_sigaction(SIGRT_1, {sa_handler=0x7fb3a0b96000, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb3a0b42bf0}, NULL, 8) = 0
[pid  5106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb3a0b0a000
[pid  5106] mprotect(0x7fb3a0b0b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] getpid()                    = 5106
[pid  5106] rt_sigreturn({mask=[]})     = 0
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] getpid()                    = 5106
[pid  5106] rt_sigreturn({mask=[]})     = 132913
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] getpid()                    = 5106
[pid  5106] rt_sigreturn({mask=[]})     = 140409472778592
[pid  5106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb3a0b2a990, parent_tid=0x7fb3a0b2a990, exit_signal=0, stack=0x7fb3a0b0a000, stack_size=0x20240, tls=0x7fb3a0b2a6c0}./strace-static-x86_64: Process 5107 attached
 => {parent_tid=[5107]}, 88) = 5107
[pid  5106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5106] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5106] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5107] rseq(0x7fb3a0b2afe0, 0x20, 0, 0x53053053) = 0
[pid  5107] set_robust_list(0x7fb3a0b2a9a0, 24) = 0
[pid  5107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000280, 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_SOCK_CREATE, 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) = 3
[pid  5107] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5106] <... futex resumed>)        = 0
[pid  5107] futex(0x7fb3a0bfa308, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5106] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5107] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5106] <... futex resumed>)        = 0
[pid  5107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=3}}, 16 <unfinished ...>
[pid  5106] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} <unfinished ...>
[pid  5107] <... bpf resumed>)          = 4
[pid  5107] futex(0x7fb3a0bfa30c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5106] <... futex resumed>)        = 0
[pid  5106] futex(0x7fb3a0bfa308, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5107] clone3({flags=0, exit_signal=0, stack=NULL, stack_size=0, cgroup=4294967295}, 88 <unfinished ...>
[pid  5106] futex(0x7fb3a0bfa30c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached
) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid  5107] <... clone3 resumed>)       = 5108
[pid  5108] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5108] getpid()                    = 5108
[pid  5107] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5106] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} ---
[pid  5107] getpid( <unfinished ...>
[pid  5108] rt_sigreturn({mask=[]})     = 0
[pid  5107] <... getpid resumed>)       = 5106
[pid  5106] getpid()                    = 5106
[pid  5107] rt_sigreturn({mask=[]})     = 5108
[pid  5106] rt_sigreturn({mask=[]})     = -1 EINTR (Interrupted system call)
[  183.999909][ T5012] =====================================================
[  184.007429][ T5012] BUG: KMSAN: kernel-infoleak-after-free in _copy_to_user+0xbc/0x110
[  184.016163][ T5012]  _copy_to_user+0xbc/0x110
[  184.020908][ T5012]  copy_siginfo_to_user+0x40/0x130
[  184.026341][ T5012]  ptrace_request+0xfa7/0x36e0
[  184.031336][ T5012]  arch_ptrace+0x43b/0x680
[  184.036997][ T5012]  __se_sys_ptrace+0x2d8/0x760
[  184.042029][ T5012]  __x64_sys_ptrace+0xbd/0x110
[  184.047084][ T5012]  do_syscall_64+0xd5/0x1f0
[  184.051816][ T5012]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.058069][ T5012] 
[  184.060486][ T5012] Uninit was stored to memory at:
[  184.066080][ T5012]  ptrace_request+0xf33/0x36e0
[  184.071068][ T5012]  arch_ptrace+0x43b/0x680
[  184.075801][ T5012]  __se_sys_ptrace+0x2d8/0x760
[  184.080821][ T5012]  __x64_sys_ptrace+0xbd/0x110
[  184.085932][ T5012]  do_syscall_64+0xd5/0x1f0
[  184.090685][ T5012]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.097029][ T5012] 
[  184.099470][ T5012] Uninit was stored to memory at:
[  184.104939][ T5012]  __dequeue_signal+0x501/0xad0
[  184.110048][ T5012]  dequeue_signal+0x14b/0xb20
[  184.115273][ T5012]  get_signal+0xb46/0x2d00
[  184.119890][ T5012]  arch_do_signal_or_restart+0x53/0xcb0
[  184.125830][ T5012]  syscall_exit_to_user_mode+0x5d/0x160
[  184.131622][ T5012]  do_syscall_64+0xe4/0x1f0
[  184.136509][ T5012]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.142795][ T5012] 
[  184.145251][ T5012] Uninit was created at:
[  184.149846][ T5012]  kmem_cache_free+0x257/0xa80
[  184.155165][ T5012]  __dequeue_signal+0xa58/0xad0
[  184.160277][ T5012]  dequeue_signal+0x14b/0xb20
[  184.165314][ T5012]  get_signal+0xb46/0x2d00
[  184.169930][ T5012]  arch_do_signal_or_restart+0x53/0xcb0
[  184.175837][ T5012]  syscall_exit_to_user_mode+0x5d/0x160
[  184.181675][ T5012]  do_syscall_64+0xe4/0x1f0
[  184.186627][ T5012]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.192906][ T5012] 
[  184.195322][ T5012] Bytes 12-15 of 48 are uninitialized
[  184.201043][ T5012] Memory access of size 48 starts at ffff8881240cfc60
[  184.208054][ T5012] Data copied to user address 0000000014dcf540
[  184.214467][ T5012] 
[  184.216877][ T5012] CPU: 1 PID: 5012 Comm: strace-static-x Not tainted 6.8.0-syzkaller-13213-g70293240c5ce #0
[  184.227228][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[  184.237617][ T5012] =====================================================
[  184.244878][ T5012] Disabling lock debugging due to kernel taint
[  184.251260][ T5012] Kernel panic - not syncing: kmsan.panic set ...
[  184.257896][ T5012] CPU: 1 PID: 5012 Comm: strace-static-x Tainted: G    B              6.8.0-syzkaller-13213-g70293240c5ce #0
[  184.269597][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[  184.279750][ T5012] Call Trace:
[  184.283108][ T5012]  <TASK>
[  184.286563][ T5012]  dump_stack_lvl+0x216/0x2d0
[  184.291395][ T5012]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  184.297484][ T5012]  dump_stack+0x1e/0x30
[  184.301866][ T5012]  panic+0x4e2/0xcd0
[  184.305912][ T5012]  ? kmsan_get_metadata+0x51/0x1d0
[  184.311168][ T5012]  kmsan_report+0x2d5/0x2e0
[  184.316033][ T5012]  ? stack_depot_save_flags+0x66d/0x6e0
[  184.321813][ T5012]  ? kmsan_internal_check_memory+0x1af/0x560
[  184.327972][ T5012]  ? kmsan_copy_to_user+0xd5/0xf0
[  184.333182][ T5012]  ? _copy_to_user+0xbc/0x110
[  184.338038][ T5012]  ? copy_siginfo_to_user+0x40/0x130
[  184.343576][ T5012]  ? ptrace_request+0xfa7/0x36e0
[  184.348689][ T5012]  ? arch_ptrace+0x43b/0x680
[  184.353407][ T5012]  ? __se_sys_ptrace+0x2d8/0x760
[  184.358496][ T5012]  ? __x64_sys_ptrace+0xbd/0x110
[  184.363585][ T5012]  ? do_syscall_64+0xd5/0x1f0
[  184.368400][ T5012]  ? entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.374635][ T5012]  ? kmsan_internal_chain_origin+0xb0/0xd0
[  184.384002][ T5012]  ? kmsan_internal_chain_origin+0x57/0xd0
[  184.389983][ T5012]  ? kmsan_internal_memmove_metadata+0x17b/0x230
[  184.396498][ T5012]  ? __msan_memcpy+0x108/0x1c0
[  184.401409][ T5012]  ? ptrace_request+0xf33/0x36e0
[  184.406527][ T5012]  ? arch_ptrace+0x43b/0x680
[  184.411246][ T5012]  ? __se_sys_ptrace+0x2d8/0x760
[  184.416334][ T5012]  ? __x64_sys_ptrace+0xbd/0x110
[  184.421418][ T5012]  ? do_syscall_64+0xd5/0x1f0
[  184.426232][ T5012]  ? entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.432466][ T5012]  ? kmsan_get_metadata+0x146/0x1d0
[  184.437794][ T5012]  ? kmsan_get_metadata+0x146/0x1d0
[  184.443130][ T5012]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  184.449117][ T5012]  ? _raw_spin_lock_irqsave+0x35/0xc0
[  184.454663][ T5012]  ? filter_irq_stacks+0x60/0x1a0
[  184.459941][ T5012]  ? kmsan_get_metadata+0x146/0x1d0
[  184.465453][ T5012]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  184.471673][ T5012]  kmsan_internal_check_memory+0x1af/0x560
[  184.477680][ T5012]  kmsan_copy_to_user+0xd5/0xf0
[  184.482696][ T5012]  ? should_fail_usercopy+0x2e/0x40
[  184.488040][ T5012]  _copy_to_user+0xbc/0x110
[  184.492735][ T5012]  copy_siginfo_to_user+0x40/0x130
[  184.498017][ T5012]  ptrace_request+0xfa7/0x36e0
[  184.503036][ T5012]  ? _raw_spin_unlock_irqrestore+0x3f/0x60
[  184.509036][ T5012]  ? wait_task_inactive+0x318/0x670
[  184.514484][ T5012]  arch_ptrace+0x43b/0x680
[  184.519068][ T5012]  __se_sys_ptrace+0x2d8/0x760
[  184.523983][ T5012]  ? kmsan_get_metadata+0x146/0x1d0
[  184.529318][ T5012]  __x64_sys_ptrace+0xbd/0x110
[  184.534335][ T5012]  do_syscall_64+0xd5/0x1f0
[  184.538992][ T5012]  ? irqentry_exit+0x16/0x60
[  184.543714][ T5012]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  184.549768][ T5012] RIP: 0033:0x4e987a
[  184.553770][ T5012] Code: 70 41 83 f8 03 c7 44 24 10 08 00 00 00 48 89 44 24 18 48 8d 44 24 30 8b 70 08 4c 0f 43 d1 48 89 44 24 20 b8 65 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3e 48 85 c0 78 06 41 83 f8 02 76 1b 48 8b 54
[  184.573542][ T5012] RSP: 002b:00007fffd8156720 EFLAGS: 00000212 ORIG_RAX: 0000000000000065
[  184.582263][ T5012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004e987a
[  184.590370][ T5012] RDX: 0000000000000000 RSI: 00000000000013f2 RDI: 0000000000004202
[  184.598448][ T5012] RBP: 00000000000013f2 R08: 0000000000004201 R09: 00000000000003f2
[  184.606665][ T5012] R10: 0000000014dcf540 R11: 0000000000000212 R12: 0000000014dcf530
[  184.614834][ T5012] R13: 00007fffd81567ac R14: 0000000014dc9ce0 R15: 000000000063f160
[  184.623035][ T5012]  </TASK>
[  184.626481][ T5012] Kernel Offset: disabled
[  184.630935][ T5012] Rebooting in 86400 seconds..