./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1022612735 <...> sages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 97.603257][ T782] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. execve("./syz-executor1022612735", ["./syz-executor1022612735"], 0x7ffc4d237070 /* 10 vars */) = 0 brk(NULL) = 0x555555750000 brk(0x555555750e00) = 0x555555750e00 arch_prctl(ARCH_SET_FS, 0x555555750480) = 0 set_tid_address(0x555555750750) = 5062 set_robust_list(0x555555750760, 24) = 0 rseq(0x555555750da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1022612735", 4096) = 28 getrandom("\xf3\xeb\x65\xc8\xbd\x81\x02\xba", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555750e00 brk(0x555555771e00) = 0x555555771e00 brk(0x555555772000) = 0x555555772000 mprotect(0x7f1cf344d000, 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 getpid() = 5062 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 [ 107.649607][ T28] audit: type=1400 audit(1709591836.679:86): avc: denied { execmem } for pid=5062 comm="syz-executor102" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) newfstatat(1, "", {st_mode=S_IFIFO|0600, st_size=0, ...}, AT_EMPTY_PATH) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "5062", 4) = 4 close(3) = 0 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=0x7f1cf3392160, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f1cf3392160, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached , child_tidptr=0x555555750750) = 5063 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] set_robust_list(0x555555750760, 24) = 0 ./strace-static-x86_64: Process 5064 attached [pid 5062] <... clone resumed>, child_tidptr=0x555555750750) = 5064 [pid 5064] set_robust_list(0x555555750760, 24 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... set_robust_list resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5063] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5065 attached [pid 5062] <... clone resumed>, child_tidptr=0x555555750750) = 5065 [pid 5064] <... openat resumed>) = 3 [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] set_robust_list(0x555555750760, 24 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5063] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... set_robust_list resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5063] close(3) = 0 ./strace-static-x86_64: Process 5066 attached [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] close(3) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... clone resumed>, child_tidptr=0x555555750750) = 5066 [pid 5066] set_robust_list(0x555555750760, 24 [pid 5065] <... openat resumed>) = 3 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... set_robust_list resumed>) = 0 [ 107.982949][ T28] audit: type=1400 audit(1709591837.019:87): avc: denied { read write } for pid=5063 comm="syz-executor102" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 108.007529][ T28] audit: type=1400 audit(1709591837.019:88): avc: denied { open } for pid=5063 comm="syz-executor102" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] close(3) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5067 [pid 5066] <... openat resumed>) = 3 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5068 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] <... clone resumed>, child_tidptr=0x555555750750) = 5069 [pid 5066] close(3) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5070 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555750750) = 5071 ./strace-static-x86_64: Process 5071 attached ./strace-static-x86_64: Process 5070 attached ./strace-static-x86_64: Process 5069 attached ./strace-static-x86_64: Process 5068 attached ./strace-static-x86_64: Process 5067 attached [pid 5071] set_robust_list(0x555555750760, 24 [pid 5070] set_robust_list(0x555555750760, 24 [pid 5069] set_robust_list(0x555555750760, 24 [pid 5068] set_robust_list(0x555555750760, 24 [pid 5067] set_robust_list(0x555555750760, 24 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... prctl resumed>) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... prctl resumed>) = 0 [pid 5071] setpgid(0, 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] setpgid(0, 0 [pid 5068] <... prctl resumed>) = 0 [pid 5071] <... setpgid resumed>) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] setpgid(0, 0 [pid 5067] <... setpgid resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... prctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... setpgid resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(3 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... openat resumed>) = 3 [pid 5070] setpgid(0, 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5070] <... setpgid resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] write(3, "1000", 4 [ 108.031988][ T28] audit: type=1400 audit(1709591837.019:89): avc: denied { ioctl } for pid=5063 comm="syz-executor102" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 5067] write(3, "1000", 4 [pid 5071] write(3, "1000", 4) = 4 [pid 5067] <... write resumed>) = 4 [pid 5068] <... write resumed>) = 4 [pid 5067] close(3 [pid 5068] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5072 [pid 5067] <... close resumed>) = 0 [pid 5071] close(3 [pid 5068] <... close resumed>) = 0 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5072 attached [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5072] set_robust_list(0x555555750760, 24 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... futex resumed>) = 0 [pid 5067] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] write(3, "1000", 4 [pid 5068] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5067] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5070] <... write resumed>) = 4 [pid 5068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] <... prctl resumed>) = 0 [pid 5071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5070] close(3 [pid 5068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] setpgid(0, 0 [pid 5071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] <... close resumed>) = 0 [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... mmap resumed>) = 0x7f1cf3367000 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... futex resumed>) = 0 [pid 5068] <... mmap resumed>) = 0x7f1cf3367000 [pid 5067] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... openat resumed>) = 3 [pid 5071] <... mmap resumed>) = 0x7f1cf3367000 [pid 5070] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5068] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... mprotect resumed>) = 0 [pid 5071] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... mprotect resumed>) = 0 [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] write(3, "1000", 4 [pid 5071] <... mprotect resumed>) = 0 [pid 5070] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] <... write resumed>) = 4 [pid 5071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... rt_sigprocmask resumed>[], 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=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5073 attached [pid 5072] close(3 [pid 5071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5074 attached [pid 5073] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5072] <... close resumed>) = 0 [pid 5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... clone3 resumed> => {parent_tid=[5073]}, 88) = 5073 ./strace-static-x86_64: Process 5075 attached [pid 5074] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5073] <... rseq resumed>) = 0 [pid 5072] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mmap resumed>) = 0x7f1cf3367000 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... clone3 resumed> => {parent_tid=[5074]}, 88) = 5074 [pid 5075] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5074] <... rseq resumed>) = 0 [pid 5073] set_robust_list(0x7f1cf33879a0, 24 [pid 5072] <... futex resumed>) = 0 [pid 5071] <... clone3 resumed> => {parent_tid=[5075]}, 88) = 5075 [pid 5070] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5068] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5075] <... rseq resumed>) = 0 [pid 5074] set_robust_list(0x7f1cf33879a0, 24 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... mprotect resumed>) = 0 [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] set_robust_list(0x7f1cf33879a0, 24 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] memfd_create("syzkaller", 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] memfd_create("syzkaller", 0 [pid 5073] <... memfd_create resumed>) = 3 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [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=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5076 attached [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] <... memfd_create resumed>) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... mmap resumed>) = 0x7f1cf3367000 [pid 5076] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5075] memfd_create("syzkaller", 0 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... mmap resumed>) = 0x7f1ceae00000 [pid 5072] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... clone3 resumed> => {parent_tid=[5076]}, 88) = 5076 [pid 5076] <... rseq resumed>) = 0 [pid 5075] <... memfd_create resumed>) = 3 [pid 5074] <... mmap resumed>) = 0x7f1ceae00000 [pid 5072] <... mprotect resumed>) = 0 [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] set_robust_list(0x7f1cf33879a0, 24 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... mmap resumed>) = 0x7f1ceae00000 [pid 5072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5077 attached ) = 3 [pid 5072] <... clone3 resumed> => {parent_tid=[5077]}, 88) = 5077 [pid 5077] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... rseq resumed>) = 0 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5077] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5072] <... futex resumed>) = 0 [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5077] memfd_create("syzkaller", 0 [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... memfd_create resumed>) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5074] <... write resumed>) = 1048576 [pid 5076] <... write resumed>) = 1048576 [pid 5074] munmap(0x7f1ceae00000, 138412032 [pid 5073] <... write resumed>) = 1048576 [pid 5074] <... munmap resumed>) = 0 [pid 5073] munmap(0x7f1ceae00000, 138412032 [pid 5076] munmap(0x7f1ceae00000, 138412032 [pid 5075] <... write resumed>) = 1048576 [pid 5073] <... munmap resumed>) = 0 [pid 5076] <... munmap resumed>) = 0 [pid 5075] munmap(0x7f1ceae00000, 138412032 [pid 5073] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5075] <... munmap resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] <... openat resumed>) = 4 [pid 5076] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... openat resumed>) = 4 [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5074] ioctl(4, LOOP_SET_FD, 3 [pid 5075] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... ioctl resumed>) = 0 [pid 5076] <... ioctl resumed>) = 0 [pid 5076] close(3) = 0 [pid 5076] close(4) = 0 [pid 5076] mkdir("./file0", 0777) = 0 [pid 5077] <... write resumed>) = 1048576 [pid 5073] <... ioctl resumed>) = 0 [pid 5075] <... ioctl resumed>) = 0 [pid 5073] close(3 [pid 5075] close(3 [pid 5073] <... close resumed>) = 0 [pid 5077] munmap(0x7f1ceae00000, 138412032 [pid 5074] close(3 [pid 5073] close(4 [pid 5077] <... munmap resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5075] close(4 [pid 5074] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5076] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 5075] <... close resumed>) = 0 [pid 5074] close(4 [pid 5073] mkdir("./file0", 0777 [pid 5077] <... openat resumed>) = 4 [pid 5075] mkdir("./file0", 0777 [pid 5074] <... close resumed>) = 0 [pid 5073] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5075] <... mkdir resumed>) = -1 EEXIST (File exists) [ 108.263609][ T5076] loop2: detected capacity change from 0 to 2048 [ 108.272808][ T5073] loop1: detected capacity change from 0 to 2048 [ 108.281551][ T5074] loop0: detected capacity change from 0 to 2048 [ 108.289379][ T5075] loop3: detected capacity change from 0 to 2048 [pid 5074] mkdir("./file0", 0777 [pid 5073] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 5077] ioctl(4, LOOP_SET_FD, 3 [pid 5075] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 5074] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5074] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 5077] <... ioctl resumed>) = 0 [pid 5077] close(3) = 0 [pid 5077] close(4) = 0 [pid 5077] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 108.326079][ T28] audit: type=1400 audit(1709591837.359:90): avc: denied { mounton } for pid=5070 comm="syz-executor102" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 108.328312][ T5077] loop4: detected capacity change from 0 to 2048 [ 108.443228][ T5076] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 108.452235][ T5075] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 108.458211][ T28] audit: type=1400 audit(1709591837.489:91): avc: denied { mount } for pid=5070 comm="syz-executor102" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 5077] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 5076] <... mount resumed>) = 0 [pid 5077] <... mount resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 5077] chdir("./file0" [pid 5076] chdir("./file0" [pid 5077] <... chdir resumed>) = 0 [pid 5076] <... chdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5076] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5076] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 1 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... mount resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5075] chdir("./file0") = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5072] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5073] <... mount resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [ 108.469761][ T5074] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 108.510391][ T5073] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5077] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5076] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5075] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... openat resumed>) = 3 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... open resumed>) = 4 [pid 5074] <... mount resumed>) = 0 [pid 5073] chdir("./file0") = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] chdir("./file0" [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5074] <... chdir resumed>) = 0 [pid 5073] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 108.552777][ T28] audit: type=1400 audit(1709591837.579:92): avc: denied { write } for pid=5072 comm="syz-executor102" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 108.576670][ T28] audit: type=1400 audit(1709591837.579:93): avc: denied { add_name } for pid=5072 comm="syz-executor102" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... open resumed>) = 4 [pid 5075] <... open resumed>) = 4 [pid 5077] <... futex resumed>) = 1 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... futex resumed>) = 1 [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 1 [pid 5070] <... futex resumed>) = 1 [pid 5077] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5076] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5075] <... futex resumed>) = 1 [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 0 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... open resumed>) = 5 [pid 5076] <... open resumed>) = 5 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] <... open resumed>) = 4 [pid 5074] <... futex resumed>) = 1 [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... futex resumed>) = 1 [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5074] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... open resumed>) = 4 [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... open resumed>) = 5 [pid 5073] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5068] <... futex resumed>) = 0 [pid 5073] <... open resumed>) = 5 [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] ftruncate(4, 5 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 1 [pid 5073] <... ftruncate resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5074] ftruncate(4, 5 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] <... futex resumed>) = 1 [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 1 [pid 5075] <... open resumed>) = 5 [pid 5074] <... ftruncate resumed>) = 0 [pid 5073] sendfile(4, 5, NULL, 4 [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] <... futex resumed>) = 0 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... sendfile resumed>) = 4 [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 1 [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5077] ftruncate(4, 5 [pid 5076] ftruncate(4, 5 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... ftruncate resumed>) = 0 [pid 5076] <... ftruncate resumed>) = 0 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... futex resumed>) = 0 [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] ftruncate(4, 5 [pid 5074] sendfile(4, 5, NULL, 4 [pid 5073] <... futex resumed>) = 1 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 1 [pid 5075] <... ftruncate resumed>) = 0 [pid 5074] <... sendfile resumed>) = 4 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 1 [pid 5073] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5072] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] sendfile(4, 5, NULL, 4 [pid 5076] sendfile(4, 5, NULL, 4 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... sendfile resumed>) = 4 [pid 5076] <... sendfile resumed>) = 4 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... mmap resumed>) = 0x20000000 [pid 5071] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] sendfile(4, 5, NULL, 4 [pid 5074] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 1 [pid 5075] <... sendfile resumed>) = 4 [pid 5074] <... mmap resumed>) = 0x20000000 [pid 5073] <... futex resumed>) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5077] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5076] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [ 108.603561][ T28] audit: type=1400 audit(1709591837.579:94): avc: denied { create } for pid=5072 comm="syz-executor102" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 108.625620][ T28] audit: type=1400 audit(1709591837.589:95): avc: denied { read write open } for pid=5072 comm="syz-executor102" path="/root/file0/bus" dev="loop4" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [pid 5073] socketpair(AF_UNIX, 0, 0, [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... mmap resumed>) = 0x20000000 [pid 5076] <... mmap resumed>) = 0x20000000 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 1 [pid 5075] <... mmap resumed>) = 0x20000000 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5071] <... futex resumed>) = 0 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... futex resumed>) = 0 [pid 5075] socketpair(AF_UNIX, 0, 0, [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] socketpair(AF_UNIX, 0, 0, [pid 5073] <... socketpair resumed>0x20000200) = -1 EFAULT (Bad address) [pid 5072] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... socketpair resumed>0x20000200) = -1 EFAULT (Bad address) [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 1 [pid 5072] <... futex resumed>) = 1 [pid 5070] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000780} --- [pid 5068] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 0 [pid 5074] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000240} --- [ 108.684775][ T5073] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 108.695834][ T5075] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5077] <... futex resumed>) = 0 [pid 5076] socketpair(AF_UNIX, 0, 0, [pid 5075] <... socketpair resumed>0x20000200) = -1 EFAULT (Bad address) [pid 5074] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000f40} --- [pid 5073] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000780} --- [pid 5074] memfd_create("syzkaller", 0) = 6 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5074] munmap(0x7f1ceae00000, 138412032) = 0 [pid 5074] close(6) = 0 [pid 5074] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5074] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 5068] exit_group(0 [pid 5074] <... futex resumed>) = ? [pid 5068] <... exit_group resumed>) = ? [pid 5076] <... socketpair resumed>0x20000200) = -1 EFAULT (Bad address) [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] +++ exited with 0 +++ [pid 5073] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000240} --- [pid 5077] socketpair(AF_UNIX, 0, 0, [pid 5068] +++ exited with 0 +++ [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 1 [pid 5073] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000f40} --- [pid 5071] <... futex resumed>) = 0 [pid 5077] <... socketpair resumed>0x20000200) = -1 EFAULT (Bad address) [pid 5076] <... futex resumed>) = 1 [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] memfd_create("syzkaller", 0 [pid 5071] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] <... memfd_create resumed>) = 6 [pid 5071] <... futex resumed>) = 0 [pid 5070] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5077] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000780} --- [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... futex resumed>) = 0 [pid 5071] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5070] <... futex resumed>) = 0 [pid 5063] <... restart_syscall resumed>) = 0 [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000240} --- [pid 5073] <... mmap resumed>) = 0x7f1ceae00000 [pid 5072] <... futex resumed>) = 0 [pid 5077] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000780} --- [pid 5076] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000780} --- [pid 5075] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000f40} --- [pid 5073] munmap(0x7f1ceae00000, 138412032 [pid 5072] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000240} --- [pid 5075] memfd_create("syzkaller", 0 [pid 5073] <... munmap resumed>) = 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000f40} --- [pid 5076] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5075] <... memfd_create resumed>) = 6 [pid 5073] close(6 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] memfd_create("syzkaller", 0 [pid 5076] memfd_create("syzkaller", 0 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... close resumed>) = 0 ./strace-static-x86_64: Process 5091 attached [pid 5076] <... memfd_create resumed>) = 6 [pid 5075] <... mmap resumed>) = 0x7f1ceae00000 [pid 5073] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... memfd_create resumed>) = 6 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] munmap(0x7f1ceae00000, 138412032 [pid 5073] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5091 [pid 5091] set_robust_list(0x555555750760, 24 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5076] <... mmap resumed>) = 0x7f1ceae00000 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5075] <... munmap resumed>) = 0 [pid 5073] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x7f1ceae00000 [pid 5076] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5075] close(6 [pid 5067] <... write resumed>) = 156 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5076] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] exit_group(0 [pid 5091] <... prctl resumed>) = 0 [pid 5077] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = ? [pid 5070] <... futex resumed>) = 0 [pid 5067] <... exit_group resumed>) = ? [pid 5091] setpgid(0, 0 [pid 5077] <... futex resumed>) = 1 [pid 5076] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] <... close resumed>) = 0 [pid 5073] +++ exited with 0 +++ [pid 5072] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5070] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5091] <... setpgid resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5077] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5070] <... write resumed>) = 156 [pid 5067] +++ exited with 0 +++ [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... futex resumed>) = 1 [pid 5072] <... write resumed>) = 156 [pid 5071] <... futex resumed>) = 0 [pid 5070] exit_group(0 [pid 5076] <... futex resumed>) = ? [ 108.721833][ T5076] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5075] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] exit_group(0 [pid 5071] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5070] <... exit_group resumed>) = ? [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5077] <... futex resumed>) = ? [pid 5076] +++ exited with 0 +++ [pid 5072] <... exit_group resumed>) = ? [pid 5071] <... write resumed>) = 156 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5071] exit_group(0 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5075] <... futex resumed>) = ? [pid 5071] <... exit_group resumed>) = ? [pid 5075] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5091] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5091] write(3, "1000", 4 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5092] set_robust_list(0x555555750760, 24 [pid 5091] <... write resumed>) = 4 [pid 5070] +++ exited with 0 +++ [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5092 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] close(3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... close resumed>) = 0 [pid 5077] +++ exited with 0 +++ [pid 5072] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5092] <... prctl resumed>) = 0 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5093 attached [pid 5092] setpgid(0, 0 [pid 5091] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] set_robust_list(0x555555750760, 24 [pid 5092] <... setpgid resumed>) = 0 [pid 5091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5093 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5094 attached [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5094] set_robust_list(0x555555750760, 24 [pid 5093] <... prctl resumed>) = 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5092] write(3, "1000", 4 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5094 [pid 5093] setpgid(0, 0 [pid 5092] <... write resumed>) = 4 [pid 5093] <... setpgid resumed>) = 0 [pid 5092] close(3 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] <... prctl resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... mmap resumed>) = 0x7f1cf3367000 [pid 5094] setpgid(0, 0 [pid 5092] <... futex resumed>) = 0 [pid 5092] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5094] <... setpgid resumed>) = 0 [pid 5093] write(3, "1000", 4 [pid 5092] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5093] <... write resumed>) = 4 [pid 5092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] close(3 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5095 attached [pid 5093] <... close resumed>) = 0 [pid 5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5095] set_robust_list(0x555555750760, 24 [pid 5094] <... openat resumed>) = 3 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... mmap resumed>) = 0x7f1cf3367000 [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5095 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] write(3, "1000", 4 [pid 5091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... write resumed>) = 4 [pid 5093] <... futex resumed>) = 0 [pid 5092] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [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=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5096 attached [pid 5095] <... prctl resumed>) = 0 [pid 5094] close(3 [pid 5093] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5092] <... mprotect resumed>) = 0 [pid 5096] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5095] setpgid(0, 0 [pid 5094] <... close resumed>) = 0 [pid 5093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096 [pid 5096] <... rseq resumed>) = 0 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... setpgid resumed>) = 0 [pid 5093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5096] set_robust_list(0x7f1cf33879a0, 24 [pid 5094] <... futex resumed>) = 0 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5093] <... mmap resumed>) = 0x7f1cf3367000 [pid 5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5091] <... futex resumed>) = 0 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5097 attached [pid 5096] memfd_create("syzkaller", 0 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5097] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5095] <... openat resumed>) = 3 [pid 5095] write(3, "1000", 4 [pid 5093] <... mprotect resumed>) = 0 [pid 5092] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5097] <... rseq resumed>) = 0 [pid 5096] <... memfd_create resumed>) = 3 [pid 5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5095] <... write resumed>) = 4 [pid 5097] set_robust_list(0x7f1cf33879a0, 24 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5095] close(3 [pid 5094] <... mmap resumed>) = 0x7f1cf3367000 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... mmap resumed>) = 0x7f1ceae00000 [pid 5095] <... close resumed>) = 0 [pid 5094] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... mprotect resumed>) = 0 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5098 attached [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5095] <... futex resumed>) = 0 [pid 5094] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] <... futex resumed>) = 0 [pid 5097] memfd_create("syzkaller", 0 [pid 5095] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5093] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] <... memfd_create resumed>) = 3 [pid 5095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] <... mmap resumed>) = 0x7f1ceae00000 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5093] <... futex resumed>) = 0 [pid 5095] <... mmap resumed>) = 0x7f1cf3367000 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5095] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5098] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5094] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5098] <... rseq resumed>) = 0 [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [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=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5099 attached [pid 5098] set_robust_list(0x7f1cf33879a0, 24./strace-static-x86_64: Process 5100 attached ) = 0 [pid 5099] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5095] <... clone3 resumed> => {parent_tid=[5099]}, 88) = 5099 [pid 5100] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] <... clone3 resumed> => {parent_tid=[5100]}, 88) = 5100 [pid 5100] <... rseq resumed>) = 0 [pid 5099] <... rseq resumed>) = 0 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] set_robust_list(0x7f1cf33879a0, 24 [pid 5099] set_robust_list(0x7f1cf33879a0, 24 [pid 5098] memfd_create("syzkaller", 0 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] <... memfd_create resumed>) = 3 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5094] <... futex resumed>) = 0 [pid 5099] memfd_create("syzkaller", 0 [pid 5098] <... mmap resumed>) = 0x7f1ceae00000 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5100] memfd_create("syzkaller", 0 [pid 5099] <... memfd_create resumed>) = 3 [pid 5096] <... write resumed>) = 1048576 [pid 5100] <... memfd_create resumed>) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5097] <... write resumed>) = 1048576 [pid 5096] munmap(0x7f1ceae00000, 138412032 [pid 5099] <... mmap resumed>) = 0x7f1ceae00000 [pid 5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5096] <... munmap resumed>) = 0 [pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5097] munmap(0x7f1ceae00000, 138412032 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5097] <... munmap resumed>) = 0 [pid 5096] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5097] close(3 [pid 5096] close(3 [pid 5097] <... close resumed>) = 0 [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5097] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... futex resumed>) = 0 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5097] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5100] <... write resumed>) = 1048576 [pid 5098] <... write resumed>) = 1048576 [pid 5097] <... open resumed>) = 3 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] munmap(0x7f1ceae00000, 138412032 [pid 5098] munmap(0x7f1ceae00000, 138412032 [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5098] <... munmap resumed>) = 0 [pid 5097] <... open resumed>) = 4 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5099] <... write resumed>) = 1048576 [pid 5097] ftruncate(3, 5 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... munmap resumed>) = 0 [pid 5098] close(3 [pid 5097] <... ftruncate resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5099] munmap(0x7f1ceae00000, 138412032 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5100] close(3 [pid 5099] <... munmap resumed>) = 0 [pid 5097] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] sendfile(3, 4, NULL, 4) = 4 [pid 5099] close(3 [pid 5096] <... close resumed>) = 0 [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... close resumed>) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5097] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... mmap resumed>) = 0x20000000 [pid 5096] <... futex resumed>) = 1 [pid 5096] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5097] socketpair(AF_UNIX, 0, 0, 0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5100] <... close resumed>) = 0 [pid 5099] <... close resumed>) = 0 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 1 [pid 5096] <... open resumed>) = 3 [pid 5092] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5097] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5099] <... futex resumed>) = 1 [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5092] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] memfd_create("syzkaller", 0 [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5095] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5097] <... memfd_create resumed>) = 5 [pid 5092] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... futex resumed>) = 0 [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5098] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] <... open resumed>) = 4 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] <... open resumed>) = 3 [pid 5098] <... open resumed>) = 3 [pid 5097] <... mmap resumed>) = 0x7f1ceae00000 [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... open resumed>) = 3 [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 1 [pid 5097] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5096] ftruncate(3, 5 [pid 5093] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 1 [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... ftruncate resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = 1 [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 1 [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5097] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... futex resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5092] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5098] <... open resumed>) = 4 [pid 5096] sendfile(3, 4, NULL, 4 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... futex resumed>) = 0 [pid 5092] <... write resumed>) = 156 [pid 5091] <... futex resumed>) = 0 [pid 5100] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] exit_group(0 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = ? [pid 5093] <... futex resumed>) = 0 [pid 5092] <... exit_group resumed>) = ? [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] +++ exited with 0 +++ [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5098] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 1 [pid 5098] ftruncate(3, 5 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... open resumed>) = 4 [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5100] <... open resumed>) = 4 [pid 5099] ftruncate(3, 5 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5094] <... futex resumed>) = 0 [pid 5100] ftruncate(3, 5 [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... ftruncate resumed>) = 0 [pid 5099] <... ftruncate resumed>) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5098] <... ftruncate resumed>) = 0 [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 0 [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... futex resumed>) = 1 [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] sendfile(3, 4, NULL, 4 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5098] sendfile(3, 4, NULL, 4 [pid 5096] <... futex resumed>) = 1 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5096] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 1 [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] sendfile(3, 4, NULL, 4 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = 0 [pid 5100] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5096] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5100] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... mmap resumed>) = 0x20000000 [pid 5094] <... futex resumed>) = 0 [pid 5100] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5101 attached [pid 5100] <... mmap resumed>) = 0x20000000 [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5101 [pid 5100] <... futex resumed>) = 1 [pid 5099] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5098] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5096] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... futex resumed>) = 0 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] set_robust_list(0x555555750760, 24 [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... mmap resumed>) = 0x20000000 [pid 5098] <... mmap resumed>) = 0x20000000 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] socketpair(AF_UNIX, 0, 0, [pid 5094] <... futex resumed>) = 0 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] socketpair(AF_UNIX, 0, 0, [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5095] <... futex resumed>) = 0 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... prctl resumed>) = 0 [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] setpgid(0, 0 [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] <... futex resumed>) = 1 [pid 5099] socketpair(AF_UNIX, 0, 0, [pid 5098] socketpair(AF_UNIX, 0, 0, [pid 5096] <... futex resumed>) = 1 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... futex resumed>) = 0 [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5098] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5096] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5101] <... openat resumed>) = 3 [pid 5100] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 1 [pid 5096] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5095] <... futex resumed>) = 0 [pid 5094] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 0 [pid 5091] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] write(3, "1000", 4 [pid 5100] memfd_create("syzkaller", 0 [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] memfd_create("syzkaller", 0 [pid 5095] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... write resumed>) = 4 [pid 5100] <... memfd_create resumed>) = 5 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... memfd_create resumed>) = 5 [pid 5095] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5099] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5098] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5095] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] close(3 [pid 5100] <... mmap resumed>) = 0x7f1ceae00000 [pid 5099] memfd_create("syzkaller", 0 [pid 5098] memfd_create("syzkaller", 0 [pid 5096] <... mmap resumed>) = 0x7f1ceae00000 [pid 5101] <... close resumed>) = 0 [pid 5100] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5099] <... memfd_create resumed>) = 5 [pid 5098] <... memfd_create resumed>) = 5 [pid 5101] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 1 [pid 5099] <... mmap resumed>) = 0x7f1ceae00000 [pid 5098] <... mmap resumed>) = 0x7f1ceae00000 [pid 5096] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 0 [pid 5100] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULLwrite to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5098] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5096] <... futex resumed>) = 1 [pid 5094] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5091] <... futex resumed>) = 0 [pid 5101] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5099] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5098] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... write resumed>) = 156 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5091] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5099] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 1 [pid 5094] exit_group(0 [pid 5093] <... futex resumed>) = 0 [pid 5091] <... write resumed>) = 156 [pid 5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5100] <... futex resumed>) = ? [pid 5099] <... futex resumed>) = 1 [pid 5098] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... futex resumed>) = 0 [pid 5094] <... exit_group resumed>) = ? [pid 5093] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5091] exit_group(0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] +++ exited with 0 +++ [pid 5099] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... futex resumed>) = ? [pid 5095] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5094] +++ exited with 0 +++ [pid 5093] <... write resumed>) = 156 [pid 5091] <... exit_group resumed>) = ? write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] +++ exited with 0 +++ [pid 5095] <... write resumed>) = 156 [pid 5093] exit_group(0 [pid 5091] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5098] <... futex resumed>) = ? [pid 5095] exit_group(0 [pid 5093] <... exit_group resumed>) = ? [pid 5101] <... mmap resumed>) = 0x7f1cf3367000 [pid 5099] <... futex resumed>) = ? [pid 5098] +++ exited with 0 +++ [pid 5095] <... exit_group resumed>) = ? [pid 5093] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5101] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5099] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5101] <... mprotect resumed>) = 0 [pid 5063] <... restart_syscall resumed>) = 0 [pid 5095] +++ exited with 0 +++ [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5102 attached [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5102 ./strace-static-x86_64: Process 5103 attached [pid 5103] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5101] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5103] <... rseq resumed>) = 0 [pid 5102] set_robust_list(0x555555750760, 24 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] set_robust_list(0x7f1cf33879a0, 24 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5102] <... set_robust_list resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5105 attached ./strace-static-x86_64: Process 5104 attached [pid 5103] memfd_create("syzkaller", 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... prctl resumed>) = 0 [pid 5102] setpgid(0, 0 [pid 5105] set_robust_list(0x555555750760, 24 [pid 5104] set_robust_list(0x555555750760, 24 [pid 5102] <... setpgid resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5104 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5105 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5106 attached ) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... memfd_create resumed>) = 3 [pid 5106] set_robust_list(0x555555750760, 24 [pid 5104] <... prctl resumed>) = 0 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5106 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] setpgid(0, 0 [pid 5104] setpgid(0, 0 [pid 5103] <... mmap resumed>) = 0x7f1ceae00000 [pid 5105] <... setpgid resumed>) = 0 [pid 5104] <... setpgid resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] <... openat resumed>) = 3 [pid 5102] <... openat resumed>) = 3 [pid 5106] <... prctl resumed>) = 0 [pid 5105] write(3, "1000", 4 [pid 5102] write(3, "1000", 4 [pid 5106] setpgid(0, 0 [pid 5105] <... write resumed>) = 4 [pid 5104] write(3, "1000", 4 [pid 5102] <... write resumed>) = 4 [pid 5106] <... setpgid resumed>) = 0 [pid 5105] close(3 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... close resumed>) = 0 [pid 5104] <... write resumed>) = 4 [pid 5102] close(3 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... openat resumed>) = 3 [pid 5105] <... futex resumed>) = 0 [pid 5104] close(3 [pid 5102] <... close resumed>) = 0 [pid 5106] write(3, "1000", 4 [pid 5105] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5104] <... close resumed>) = 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... write resumed>) = 4 [pid 5105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5106] close(3 [pid 5105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5104] <... futex resumed>) = 0 [pid 5102] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5106] <... close resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5106] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5106] <... futex resumed>) = 0 [pid 5105] <... mmap resumed>) = 0x7f1cf3367000 [pid 5104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5105] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5106] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5105] <... mprotect resumed>) = 0 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5104] <... mmap resumed>) = 0x7f1cf3367000 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5104] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5102] <... mmap resumed>) = 0x7f1cf3367000 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5104] <... mprotect resumed>) = 0 [pid 5102] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5106] <... mmap resumed>) = 0x7f1cf3367000 [pid 5102] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5107 attached [pid 5106] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5105] <... clone3 resumed> => {parent_tid=[5107]}, 88) = 5107 [pid 5104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5107] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5106] <... mprotect resumed>) = 0 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5102] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5108 attached [pid 5107] <... rseq resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5107] set_robust_list(0x7f1cf33879a0, 24 [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5108] <... rseq resumed>) = 0 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] <... clone3 resumed> => {parent_tid=[5108]}, 88) = 5108 [pid 5108] set_robust_list(0x7f1cf33879a0, 24 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] memfd_create("syzkaller", 0 [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5109 attached [pid 5108] <... rt_sigprocmask resumed>NULL, 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=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5104] <... futex resumed>) = 0 [pid 5109] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5108] memfd_create("syzkaller", 0 [pid 5107] <... memfd_create resumed>) = 3 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5102] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109 ./strace-static-x86_64: Process 5110 attached [pid 5106] <... clone3 resumed> => {parent_tid=[5110]}, 88) = 5110 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5109] <... rseq resumed>) = 0 [pid 5108] <... memfd_create resumed>) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5109] set_robust_list(0x7f1cf33879a0, 24 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5107] <... mmap resumed>) = 0x7f1ceae00000 [pid 5110] <... rseq resumed>) = 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... mmap resumed>) = 0x7f1ceae00000 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] set_robust_list(0x7f1cf33879a0, 24 [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... write resumed>) = 1048576 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5106] <... futex resumed>) = 0 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] <... futex resumed>) = 0 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5109] <... mmap resumed>) = 0x7f1ceae00000 [pid 5110] memfd_create("syzkaller", 0 [pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5103] munmap(0x7f1ceae00000, 138412032 [pid 5110] <... memfd_create resumed>) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5103] <... munmap resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5103] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5103] close(3 [pid 5107] <... write resumed>) = 1048576 [pid 5107] munmap(0x7f1ceae00000, 138412032) = 0 [pid 5103] <... close resumed>) = 0 [pid 5109] <... write resumed>) = 1048576 [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5103] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5107] close(3 [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 1 [pid 5103] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... open resumed>) = 3 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5108] <... write resumed>) = 1048576 [pid 5108] munmap(0x7f1ceae00000, 138412032 [pid 5103] <... open resumed>) = 4 [pid 5109] munmap(0x7f1ceae00000, 138412032) = 0 [pid 5108] <... munmap resumed>) = 0 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5103] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5108] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] <... futex resumed>) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5108] close(3 [pid 5109] close(3 [pid 5103] ftruncate(3, 5 [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... write resumed>) = 1048576 [pid 5107] <... close resumed>) = 0 [pid 5110] munmap(0x7f1ceae00000, 138412032) = 0 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... ftruncate resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5109] <... close resumed>) = 0 [pid 5108] <... close resumed>) = 0 [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5110] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] sendfile(3, 4, NULL, 4 [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] close(3 [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... open resumed>) = 3 [pid 5104] <... futex resumed>) = 0 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5108] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... open resumed>) = 3 [pid 5108] <... open resumed>) = 3 [pid 5107] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5103] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5101] <... futex resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... mmap resumed>) = 0x20000000 [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... open resumed>) = 4 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5108] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = 0 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5109] <... open resumed>) = 4 [pid 5108] <... open resumed>) = 4 [pid 5107] <... futex resumed>) = 1 [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] socketpair(AF_UNIX, 0, 0, [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... open resumed>) = 3 [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = 1 [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] ftruncate(3, 5 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... ftruncate resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] ftruncate(3, 5 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5110] <... open resumed>) = 4 [pid 5109] ftruncate(3, 5 [pid 5108] <... ftruncate resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5106] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5103] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... ftruncate resumed>) = 0 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5101] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... futex resumed>) = 1 [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] sendfile(3, 4, NULL, 4 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] memfd_create("syzkaller", 0 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] ftruncate(3, 5 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... memfd_create resumed>) = 5 [pid 5102] <... futex resumed>) = 0 [pid 5109] sendfile(3, 4, NULL, 4 [pid 5108] sendfile(3, 4, NULL, 4 [pid 5107] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... ftruncate resumed>) = 0 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... mmap resumed>) = 0x7f1ceae00000 [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5103] munmap(0x7f1ceae00000, 138412032 [pid 5110] <... futex resumed>) = 1 [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... munmap resumed>) = 0 [pid 5110] sendfile(3, 4, NULL, 4 [pid 5109] <... futex resumed>) = 1 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5103] close(5 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 1 [pid 5107] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] <... futex resumed>) = 0 [pid 5103] <... close resumed>) = 0 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] <... mmap resumed>) = 0x20000000 [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5109] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = 0 [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... mmap resumed>) = 0x20000000 [pid 5108] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5107] <... futex resumed>) = 1 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5103] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... mmap resumed>) = 0x20000000 [pid 5107] socketpair(AF_UNIX, 0, 0, [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... write resumed>) = 156 [pid 5110] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5109] <... futex resumed>) = 1 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] exit_group(0 [pid 5110] <... mmap resumed>) = 0x20000000 [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 1 [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = ? [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... exit_group resumed>) = ? [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] +++ exited with 0 +++ [pid 5102] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5109] socketpair(AF_UNIX, 0, 0, [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5108] socketpair(AF_UNIX, 0, 0, [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5107] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] +++ exited with 0 +++ [pid 5110] socketpair(AF_UNIX, 0, 0, [pid 5109] <... futex resumed>) = 1 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 0 [pid 5110] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5102] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5107] memfd_create("syzkaller", 0 [pid 5104] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5110] <... futex resumed>) = 1 [pid 5109] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5108] memfd_create("syzkaller", 0 [pid 5107] <... memfd_create resumed>) = 5 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5102] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... restart_syscall resumed>) = 0 [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] memfd_create("syzkaller", 0 [pid 5108] <... memfd_create resumed>) = 5 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5106] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... memfd_create resumed>) = 5 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5107] <... mmap resumed>) = 0x7f1ceae00000 [pid 5106] <... futex resumed>) = 0 [pid 5110] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5108] <... mmap resumed>) = 0x7f1ceae00000 [pid 5107] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5106] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5110] memfd_create("syzkaller", 0 [pid 5109] <... mmap resumed>) = 0x7f1ceae00000 [pid 5108] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5107] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5107] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5110] <... memfd_create resumed>) = 5 [pid 5109] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 1 [pid 5105] <... write resumed>) = 156 [pid 5104] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5111 attached [pid 5110] <... mmap resumed>) = 0x7f1ceae00000 [pid 5109] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] exit_group(0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5104] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5102] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5111] set_robust_list(0x555555750760, 24 [pid 5110] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5107] <... futex resumed>) = ? [pid 5105] <... exit_group resumed>) = ? [pid 5104] <... write resumed>) = 156 [pid 5102] <... write resumed>) = 156 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5111 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] exit_group(0 [pid 5110] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = ? [pid 5106] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5104] <... exit_group resumed>) = ? [pid 5110] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] +++ exited with 0 +++ [pid 5106] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] +++ exited with 0 +++ [pid 5106] <... write resumed>) = 156 [pid 5105] +++ exited with 0 +++ [pid 5102] exit_group(0 [pid 5106] exit_group(0 [pid 5111] <... prctl resumed>) = 0 [pid 5109] <... futex resumed>) = ? [pid 5102] <... exit_group resumed>) = ? [pid 5106] <... exit_group resumed>) = ? [pid 5111] setpgid(0, 0 [pid 5110] <... futex resumed>) = ? [pid 5109] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5111] <... setpgid resumed>) = 0 [pid 5110] +++ exited with 0 +++ [pid 5106] +++ exited with 0 +++ [pid 5102] +++ exited with 0 +++ [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5111] write(3, "1000", 4./strace-static-x86_64: Process 5112 attached ) = 4 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5112] set_robust_list(0x555555750760, 24 [pid 5111] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... close resumed>) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] <... futex resumed>) = 0 [pid 5111] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5112] <... prctl resumed>) = 0 [pid 5111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5112] setpgid(0, 0./strace-static-x86_64: Process 5114 attached ./strace-static-x86_64: Process 5113 attached ) = 0 [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5112 [pid 5114] set_robust_list(0x555555750760, 24 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5113 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] set_robust_list(0x555555750760, 24 [pid 5112] <... openat resumed>) = 3 [pid 5111] <... mmap resumed>) = 0x7f1cf3367000 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5114 ./strace-static-x86_64: Process 5115 attached [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] write(3, "1000", 4 [pid 5111] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5115] set_robust_list(0x555555750760, 24 [pid 5114] <... prctl resumed>) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] <... write resumed>) = 4 [pid 5111] <... mprotect resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5115 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] <... setpgid resumed>) = 0 [pid 5112] close(3 [pid 5113] <... prctl resumed>) = 0 [pid 5111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] setpgid(0, 0 [pid 5115] <... prctl resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... close resumed>) = 0 [pid 5115] setpgid(0, 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... futex resumed>) = 0 [pid 5111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] <... openat resumed>) = 3 [pid 5115] write(3, "1000", 4 [pid 5114] <... openat resumed>) = 3 [pid 5113] <... openat resumed>) = 3 [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5115] <... write resumed>) = 4 [pid 5113] write(3, "1000", 4 [pid 5112] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5116 attached [pid 5115] close(3 [pid 5113] <... write resumed>) = 4 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5114] write(3, "1000", 4 [pid 5116] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5115] <... close resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5113] close(3 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] <... rseq resumed>) = 0 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] close(3 [pid 5113] <... close resumed>) = 0 [pid 5111] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] set_robust_list(0x7f1cf33879a0, 24 [pid 5115] <... futex resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5114] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... mmap resumed>) = 0x7f1cf3367000 [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5113] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5112] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5116] memfd_create("syzkaller", 0 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5112] <... mprotect resumed>) = 0 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5116] <... memfd_create resumed>) = 3 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5115] <... mmap resumed>) = 0x7f1cf3367000 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] <... mmap resumed>) = 0x7f1ceae00000 [pid 5115] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] <... mmap resumed>) = 0x7f1cf3367000 [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] <... mprotect resumed>) = 0 [pid 5114] <... mmap resumed>) = 0x7f1cf3367000 [pid 5113] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5117 attached [pid 5114] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5113] <... mprotect resumed>) = 0 [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5117] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5114] <... mprotect resumed>) = 0 [pid 5112] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5117] <... rseq resumed>) = 0 [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5117] set_robust_list(0x7f1cf33879a0, 24 [pid 5113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5117] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5119 attached ./strace-static-x86_64: Process 5118 attached NULL, 8) = 0 [pid 5115] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5120 attached [pid 5119] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5118] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5117] memfd_create("syzkaller", 0 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] <... clone3 resumed> => {parent_tid=[5119]}, 88) = 5119 [pid 5120] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5119] <... rseq resumed>) = 0 [pid 5118] <... rseq resumed>) = 0 [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] <... clone3 resumed> => {parent_tid=[5120]}, 88) = 5120 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] <... rseq resumed>) = 0 [pid 5119] set_robust_list(0x7f1cf33879a0, 24 [pid 5118] set_robust_list(0x7f1cf33879a0, 24 [pid 5117] <... memfd_create resumed>) = 3 [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] set_robust_list(0x7f1cf33879a0, 24 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... mmap resumed>) = 0x7f1ceae00000 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] memfd_create("syzkaller", 0 [pid 5116] <... write resumed>) = 1048576 [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5119] <... memfd_create resumed>) = 3 [pid 5116] munmap(0x7f1ceae00000, 138412032 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5116] <... munmap resumed>) = 0 [pid 5119] <... mmap resumed>) = 0x7f1ceae00000 [pid 5118] memfd_create("syzkaller", 0 [pid 5117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5118] <... memfd_create resumed>) = 3 [pid 5116] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5116] close(3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] <... write resumed>) = 1048576 [pid 5118] <... mmap resumed>) = 0x7f1ceae00000 [pid 5116] <... close resumed>) = 0 [pid 5117] munmap(0x7f1ceae00000, 138412032 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... munmap resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5117] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5116] <... open resumed>) = 3 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5117] close(3 [pid 5116] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5111] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... open resumed>) = 4 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5116] ftruncate(3, 5 [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... write resumed>) = 1048576 [pid 5119] munmap(0x7f1ceae00000, 138412032 [pid 5116] <... ftruncate resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... munmap resumed>) = 0 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5116] sendfile(3, 4, NULL, 4 [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5120] <... write resumed>) = 1048576 [pid 5118] <... write resumed>) = 1048576 [pid 5117] <... close resumed>) = 0 [pid 5116] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5118] munmap(0x7f1ceae00000, 138412032 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] munmap(0x7f1ceae00000, 138412032 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] close(3 [pid 5118] <... munmap resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = 1 [pid 5118] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5116] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 0 [pid 5120] <... munmap resumed>) = 0 [pid 5118] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5116] <... mmap resumed>) = 0x20000000 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] close(3 [pid 5112] <... futex resumed>) = 0 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5117] <... open resumed>) = 3 [pid 5120] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5116] socketpair(AF_UNIX, 0, 0, [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] close(3 [pid 5117] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 0 [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5117] <... open resumed>) = 4 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5111] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] ftruncate(3, 5 [pid 5112] <... futex resumed>) = 0 [pid 5116] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5111] <... futex resumed>) = 0 [pid 5116] memfd_create("syzkaller", 0 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5117] <... ftruncate resumed>) = 0 [pid 5116] <... memfd_create resumed>) = 5 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5119] <... close resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... mmap resumed>) = 0x7f1ceae00000 [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] munmap(0x7f1ceae00000, 138412032 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 1 [pid 5116] <... munmap resumed>) = 0 [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] sendfile(3, 4, NULL, 4 [pid 5116] close(5 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5119] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5116] <... close resumed>) = 0 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... close resumed>) = 0 [pid 5119] <... open resumed>) = 3 [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5116] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 1 [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 1 [pid 5116] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5112] <... futex resumed>) = 0 [pid 5111] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5120] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... write resumed>) = 156 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5111] exit_group(0 [pid 5120] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5119] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5118] <... open resumed>) = 3 [pid 5117] <... mmap resumed>) = 0x20000000 [pid 5116] <... futex resumed>) = ? [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... exit_group resumed>) = ? [pid 5120] <... open resumed>) = 3 [pid 5119] <... open resumed>) = 4 [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] +++ exited with 0 +++ [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 1 [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5120] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5119] ftruncate(3, 5 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] socketpair(AF_UNIX, 0, 0, [pid 5115] <... futex resumed>) = 0 [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] +++ exited with 0 +++ [pid 5120] <... open resumed>) = 4 [pid 5118] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... ftruncate resumed>) = 0 [pid 5118] <... open resumed>) = 4 [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5120] <... futex resumed>) = 0 [pid 5117] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 1 [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5120] ftruncate(3, 5 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... futex resumed>) = 1 [pid 5117] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... ftruncate resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5119] sendfile(3, 4, NULL, 4 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5115] <... futex resumed>) = 0 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] ftruncate(3, 5 [pid 5117] memfd_create("syzkaller", 0 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5120] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] sendfile(3, 4, NULL, 4 [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5117] <... memfd_create resumed>) = 5 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5120] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... ftruncate resumed>) = 0 [pid 5117] <... mmap resumed>) = 0x7f1ceae00000 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0./strace-static-x86_64: Process 5121 attached [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] munmap(0x7f1ceae00000, 138412032 [pid 5121] set_robust_list(0x555555750760, 24 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... mmap resumed>) = 0x20000000 [pid 5118] <... futex resumed>) = 1 [pid 5117] <... munmap resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5121 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] close(5 [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5117] <... close resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5121] <... prctl resumed>) = 0 [pid 5120] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] sendfile(3, 4, NULL, 4 [pid 5117] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] setpgid(0, 0 [pid 5120] <... mmap resumed>) = 0x20000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... futex resumed>) = 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] socketpair(AF_UNIX, 0, 0, [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 1 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... futex resumed>) = 1 [pid 5119] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5118] <... futex resumed>) = 1 [pid 5117] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5112] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5121] <... openat resumed>) = 3 [pid 5120] socketpair(AF_UNIX, 0, 0, [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... write resumed>) = 156 [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] write(3, "1000", 4 [pid 5120] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5119] <... futex resumed>) = 1 [pid 5118] <... mmap resumed>) = 0x20000000 [pid 5113] <... futex resumed>) = 0 [pid 5112] exit_group(0 [pid 5121] <... write resumed>) = 4 [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] close(3 [pid 5120] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... close resumed>) = 0 [pid 5119] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = ? [pid 5114] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... exit_group resumed>) = ? [pid 5121] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5119] memfd_create("syzkaller", 0 [pid 5113] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5120] memfd_create("syzkaller", 0 [pid 5119] <... memfd_create resumed>) = 5 [pid 5117] +++ exited with 0 +++ [pid 5114] <... futex resumed>) = 0 [pid 5121] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5120] <... memfd_create resumed>) = 5 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5114] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5119] <... mmap resumed>) = 0x7f1ceae00000 [pid 5115] <... futex resumed>) = 0 [pid 5121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5120] <... mmap resumed>) = 0x7f1ceae00000 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5115] <... futex resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x7f1cf3367000 [pid 5119] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] socketpair(AF_UNIX, 0, 0, [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5120] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5121] <... mprotect resumed>) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5114] <... futex resumed>) = 0 [pid 5113] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5120] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5113] <... write resumed>) = 156 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5114] <... write resumed>) = 156 [pid 5113] exit_group(0 [pid 5112] +++ exited with 0 +++ [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5119] <... futex resumed>) = ? [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] exit_group(0 [pid 5113] <... exit_group resumed>) = ? [pid 5115] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5120] <... futex resumed>) = ? [pid 5119] +++ exited with 0 +++ [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5114] <... exit_group resumed>) = ? [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 5122 attached [pid 5120] +++ exited with 0 +++ [pid 5118] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5115] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5118] memfd_create("syzkaller", 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5122] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5121] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5118] <... memfd_create resumed>) = 5 [pid 5113] +++ exited with 0 +++ [pid 5122] <... rseq resumed>) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5122] set_robust_list(0x7f1cf33879a0, 24 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... mmap resumed>) = 0x7f1ceae00000 [pid 5114] +++ exited with 0 +++ [pid 5069] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5123 attached [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] <... futex resumed>) = 0 [pid 5118] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5123] set_robust_list(0x555555750760, 24 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] memfd_create("syzkaller", 0 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5123 [pid 5118] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] <... memfd_create resumed>) = 3 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5118] <... futex resumed>) = 1 [pid 5123] <... prctl resumed>) = 0 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5118] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5124 attached [pid 5123] setpgid(0, 0 [pid 5122] <... mmap resumed>) = 0x7f1ceae00000 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5115] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5124] set_robust_list(0x555555750760, 24 [pid 5123] <... setpgid resumed>) = 0 [pid 5115] <... write resumed>) = 156 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5124 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5115] exit_group(0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] <... set_robust_list resumed>) = 0 [pid 5118] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... openat resumed>) = 3 [pid 5118] +++ exited with 0 +++ [pid 5124] <... prctl resumed>) = 0 [pid 5123] write(3, "1000", 4 [pid 5122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5115] +++ exited with 0 +++ [pid 5124] setpgid(0, 0 [pid 5123] <... write resumed>) = 4 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] close(3) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 5125 attached [pid 5123] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5125] set_robust_list(0x555555750760, 24 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5125 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5124] <... openat resumed>) = 3 [pid 5123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] write(3, "1000", 4 [pid 5125] <... prctl resumed>) = 0 [pid 5124] <... write resumed>) = 4 [pid 5123] <... mmap resumed>) = 0x7f1cf3367000 [pid 5125] setpgid(0, 0 [pid 5124] close(3 [pid 5123] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5126 attached [pid 5125] <... setpgid resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5123] <... mprotect resumed>) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] set_robust_list(0x555555750760, 24 [pid 5125] <... openat resumed>) = 3 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5126 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] write(3, "1000", 4 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5126] <... prctl resumed>) = 0 [pid 5125] <... write resumed>) = 4 [pid 5124] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5126] setpgid(0, 0 [pid 5125] close(3 [pid 5124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5126] <... setpgid resumed>) = 0 [pid 5125] <... close resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5127 attached [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5126] <... openat resumed>) = 3 [pid 5125] <... futex resumed>) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] <... clone3 resumed> => {parent_tid=[5127]}, 88) = 5127 [pid 5127] <... rseq resumed>) = 0 [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5127] set_robust_list(0x7f1cf33879a0, 24 [pid 5125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5124] <... mmap resumed>) = 0x7f1cf3367000 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] write(3, "1000", 4 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5124] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] <... write resumed>) = 4 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] close(3 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] <... mprotect resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5127] memfd_create("syzkaller", 0 [pid 5126] <... close resumed>) = 0 [pid 5125] <... mmap resumed>) = 0x7f1cf3367000 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5126] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5127] <... memfd_create resumed>) = 3 [pid 5126] <... futex resumed>) = 0 [pid 5125] <... mprotect resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5126] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5122] <... write resumed>) = 1048576 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5122] munmap(0x7f1ceae00000, 138412032 [pid 5127] <... mmap resumed>) = 0x7f1ceae00000 ./strace-static-x86_64: Process 5128 attached [pid 5126] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5124] <... clone3 resumed> => {parent_tid=[5128]}, 88) = 5128 [pid 5122] <... munmap resumed>) = 0 [pid 5128] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... rseq resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5128] set_robust_list(0x7f1cf33879a0, 24 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5128] <... set_robust_list resumed>) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5128] memfd_create("syzkaller", 0 [pid 5122] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5128] <... memfd_create resumed>) = 3 [pid 5122] close(3 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5129 attached [pid 5126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5126] <... mmap resumed>) = 0x7f1cf3367000 [pid 5125] <... clone3 resumed> => {parent_tid=[5129]}, 88) = 5129 [pid 5129] <... rseq resumed>) = 0 [pid 5126] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] set_robust_list(0x7f1cf33879a0, 24 [pid 5126] <... mprotect resumed>) = 0 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] <... futex resumed>) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5129] memfd_create("syzkaller", 0 [pid 5126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5129] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5130 attached [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5126] <... clone3 resumed> => {parent_tid=[5130]}, 88) = 5130 [pid 5129] <... mmap resumed>) = 0x7f1ceae00000 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... close resumed>) = 0 [pid 5130] <... rseq resumed>) = 0 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] set_robust_list(0x7f1cf33879a0, 24 [pid 5127] <... write resumed>) = 1048576 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] <... futex resumed>) = 1 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... write resumed>) = 1048576 [pid 5127] munmap(0x7f1ceae00000, 138412032 [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... futex resumed>) = 0 [pid 5129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5130] memfd_create("syzkaller", 0 [pid 5128] munmap(0x7f1ceae00000, 138412032 [pid 5127] <... munmap resumed>) = 0 [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... memfd_create resumed>) = 3 [pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5122] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 1 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5127] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5122] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... mmap resumed>) = 0x7f1ceae00000 [pid 5128] <... munmap resumed>) = 0 [pid 5127] close(3 [pid 5122] <... open resumed>) = 3 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5128] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5122] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... open resumed>) = 4 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] close(3 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... close resumed>) = 0 [pid 5122] ftruncate(3, 5) = 0 [pid 5130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5129] <... write resumed>) = 1048576 [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... close resumed>) = 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5129] munmap(0x7f1ceae00000, 138412032 [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 1 [pid 5127] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5129] <... munmap resumed>) = 0 [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] sendfile(3, 4, NULL, 4 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5128] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5127] <... open resumed>) = 3 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5129] close(3 [pid 5128] <... open resumed>) = 3 [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5130] <... write resumed>) = 1048576 [pid 5128] <... futex resumed>) = 1 [pid 5127] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] munmap(0x7f1ceae00000, 138412032 [pid 5128] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5128] <... open resumed>) = 4 [pid 5127] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 0 [pid 5124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] ftruncate(3, 5 [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... ftruncate resumed>) = 0 [pid 5127] <... open resumed>) = 4 [pid 5130] <... munmap resumed>) = 0 [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x20000000 [pid 5127] <... futex resumed>) = 1 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5127] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5129] <... close resumed>) = 0 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] ftruncate(3, 5 [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5130] close(3 [pid 5128] sendfile(3, 4, NULL, 4 [pid 5127] <... ftruncate resumed>) = 0 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5129] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5127] <... futex resumed>) = 1 [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] socketpair(AF_UNIX, 0, 0, [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... open resumed>) = 3 [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 1 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 0 [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] sendfile(3, 4, NULL, 4 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5130] <... close resumed>) = 0 [pid 5129] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... open resumed>) = 4 [pid 5127] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] <... futex resumed>) = 0 [pid 5128] <... mmap resumed>) = 0x20000000 [pid 5127] <... futex resumed>) = 1 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] <... futex resumed>) = 0 [pid 5122] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] memfd_create("syzkaller", 0 [pid 5130] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5122] <... memfd_create resumed>) = 5 [pid 5130] <... open resumed>) = 3 [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x7f1ceae00000 [pid 5130] <... futex resumed>) = 0 [pid 5128] socketpair(AF_UNIX, 0, 0, [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5122] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5129] ftruncate(3, 5 [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5126] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] <... futex resumed>) = 1 [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5129] <... ftruncate resumed>) = 0 [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... mmap resumed>) = 0x20000000 [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5121] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... write resumed>) = 156 [pid 5129] <... futex resumed>) = 1 [pid 5128] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] exit_group(0 [pid 5130] <... futex resumed>) = 0 [pid 5129] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] memfd_create("syzkaller", 0 [pid 5127] socketpair(AF_UNIX, 0, 0, [pid 5126] <... futex resumed>) = 1 [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5130] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... memfd_create resumed>) = 5 [pid 5127] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] <... futex resumed>) = 0 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [pid 5130] <... open resumed>) = 4 [pid 5129] sendfile(3, 4, NULL, 4 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... mmap resumed>) = 0x7f1ceae00000 [pid 5123] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 1 [pid 5128] munmap(0x7f1ceae00000, 138412032 [pid 5127] <... futex resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5130] ftruncate(3, 5 [pid 5128] <... munmap resumed>) = 0 [pid 5127] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5129] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... ftruncate resumed>) = 0 [pid 5128] close(5 [pid 5126] <... futex resumed>) = 0 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] memfd_create("syzkaller", 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... close resumed>) = 0 [pid 5127] <... memfd_create resumed>) = 5 [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5129] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = 1 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5127] <... mmap resumed>) = 0x7f1ceae00000 [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5128] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] sendfile(3, 4, NULL, 4 [pid 5129] <... mmap resumed>) = 0x20000000 [pid 5127] munmap(0x7f1ceae00000, 138412032 [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... write resumed>) = 156 [pid 5124] exit_group(0 [pid 5128] <... futex resumed>) = ? [pid 5124] <... exit_group resumed>) = ? [pid 5128] +++ exited with 0 +++ [pid 5130] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5127] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] close(5 [pid 5131] set_robust_list(0x555555750760, 24 [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 1 [pid 5127] <... close resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5124] +++ exited with 0 +++ [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5131 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] <... futex resumed>) = 1 [pid 5126] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5131] <... prctl resumed>) = 0 [pid 5130] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5129] socketpair(AF_UNIX, 0, 0, [pid 5127] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5131] setpgid(0, 0 [pid 5130] <... mmap resumed>) = 0x20000000 [pid 5129] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5123] <... write resumed>) = 156 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] exit_group(0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = ? [pid 5126] <... futex resumed>) = 0 [pid 5123] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5132 attached [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] +++ exited with 0 +++ [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] <... futex resumed>) = 0 [pid 5130] socketpair(AF_UNIX, 0, 0, [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5126] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5126] <... futex resumed>) = 0 [pid 5126] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] memfd_create("syzkaller", 0) = 5 [pid 5123] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5132 [pid 5132] set_robust_list(0x555555750760, 24 [pid 5130] <... mmap resumed>) = 0x7f1ceae00000 [pid 5129] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5125] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5129] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5125] <... futex resumed>) = 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5129] memfd_create("syzkaller", 0 [pid 5132] <... prctl resumed>) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5130] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... memfd_create resumed>) = 5 [pid 5132] setpgid(0, 0 [pid 5131] write(3, "1000", 4 [pid 5130] <... futex resumed>) = 1 [pid 5126] <... futex resumed>) = 0 [pid 5132] <... setpgid resumed>) = 0 [pid 5130] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5126] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] <... write resumed>) = 4 [pid 5129] <... mmap resumed>) = 0x7f1ceae00000 [pid 5126] <... write resumed>) = 156 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5131] close(3 [pid 5126] exit_group(0 [pid 5131] <... close resumed>) = 0 [pid 5130] <... futex resumed>) = ? [pid 5126] <... exit_group resumed>) = ? [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5132] <... openat resumed>) = 3 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] +++ exited with 0 +++ [pid 5129] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5131] <... futex resumed>) = 0 [pid 5129] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5132] write(3, "1000", 4 [pid 5131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5126] +++ exited with 0 +++ [pid 5125] <... futex resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5129] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5125] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5132] <... write resumed>) = 4 [pid 5131] <... mmap resumed>) = 0x7f1cf3367000 [pid 5125] <... write resumed>) = 156 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5132] close(3) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5131] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5125] exit_group(0 [pid 5132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5133 attached ) = 0x7f1cf3367000 [pid 5133] set_robust_list(0x555555750760, 24 [pid 5132] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5129] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... mprotect resumed>) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5131] <... mprotect resumed>) = 0 [pid 5129] +++ exited with 0 +++ [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5133] <... prctl resumed>) = 0 [pid 5133] setpgid(0, 0 [pid 5132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5133 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5133] <... setpgid resumed>) = 0 [pid 5132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5135 attached ./strace-static-x86_64: Process 5134 attached [pid 5133] <... openat resumed>) = 3 [pid 5132] <... clone3 resumed> => {parent_tid=[5134]}, 88) = 5134 [pid 5135] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5134] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5133] write(3, "1000", 4 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] +++ exited with 0 +++ [pid 5131] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5135] <... rseq resumed>) = 0 [pid 5134] <... rseq resumed>) = 0 [pid 5133] <... write resumed>) = 4 [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5136 attached [pid 5134] set_robust_list(0x7f1cf33879a0, 24 [pid 5133] close(3 [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] set_robust_list(0x555555750760, 24 [pid 5135] set_robust_list(0x7f1cf33879a0, 24 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] <... close resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5136 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] memfd_create("syzkaller", 0 [pid 5133] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... memfd_create resumed>) = 3 [pid 5133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5134] <... mmap resumed>) = 0x7f1ceae00000 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] memfd_create("syzkaller", 0 [pid 5133] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5131] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5136] <... prctl resumed>) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5133] <... mprotect resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5135] <... memfd_create resumed>) = 3 [pid 5136] write(3, "1000", 4 [pid 5133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5136] <... write resumed>) = 4 [pid 5136] close(3) = 0 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5136] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5136] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, ./strace-static-x86_64: Process 5137 attached NULL, 8) = 0 [pid 5135] <... mmap resumed>) = 0x7f1ceae00000 [pid 5134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5137] set_robust_list(0x555555750760, 24 [pid 5136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5137 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5138 attached [pid 5137] setpgid(0, 0 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5134] <... write resumed>) = 1048576 [pid 5133] <... clone3 resumed> => {parent_tid=[5138]}, 88) = 5138 [pid 5138] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5137] <... setpgid resumed>) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5138] <... rseq resumed>) = 0 [pid 5136] <... mmap resumed>) = 0x7f1cf3367000 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5138] set_robust_list(0x7f1cf33879a0, 24 [pid 5136] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5134] munmap(0x7f1ceae00000, 138412032 [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5136] <... mprotect resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5138] memfd_create("syzkaller", 0 [pid 5134] <... munmap resumed>) = 0 [pid 5138] <... memfd_create resumed>) = 3 [pid 5136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5134] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5139 attached [pid 5138] <... mmap resumed>) = 0x7f1ceae00000 [pid 5137] <... openat resumed>) = 3 [pid 5134] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5139] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5136] <... clone3 resumed> => {parent_tid=[5139]}, 88) = 5139 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] close(3 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] write(3, "1000", 4 [pid 5139] <... rseq resumed>) = 0 [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] set_robust_list(0x7f1cf33879a0, 24 [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5139] <... set_robust_list resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5137] <... write resumed>) = 4 [pid 5135] <... write resumed>) = 1048576 [pid 5137] close(3) = 0 [pid 5139] memfd_create("syzkaller", 0 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... memfd_create resumed>) = 3 [pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5137] <... futex resumed>) = 0 [pid 5137] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5135] munmap(0x7f1ceae00000, 138412032 [pid 5137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5135] <... munmap resumed>) = 0 [pid 5134] <... close resumed>) = 0 [pid 5138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5135] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5134] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5135] close(3 [pid 5134] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... mmap resumed>) = 0x7f1cf3367000 [pid 5137] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = 0 [pid 5139] <... write resumed>) = 1048576 [pid 5137] <... mprotect resumed>) = 0 [pid 5134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5134] <... open resumed>) = 3 [pid 5137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5134] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... open resumed>) = 4 [pid 5132] <... futex resumed>) = 0 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... clone3 resumed> => {parent_tid=[5140]}, 88) = 5140 [pid 5134] ftruncate(3, 5 [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... ftruncate resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5140 attached NULL, 8) = 0 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5140] <... rseq resumed>) = 0 [pid 5137] <... futex resumed>) = 0 [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] set_robust_list(0x7f1cf33879a0, 24 [pid 5139] munmap(0x7f1ceae00000, 138412032 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5135] <... close resumed>) = 0 [pid 5134] sendfile(3, 4, NULL, 4 [pid 5132] <... futex resumed>) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] <... munmap resumed>) = 0 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] memfd_create("syzkaller", 0 [pid 5135] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5140] <... memfd_create resumed>) = 3 [pid 5139] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5138] <... write resumed>) = 1048576 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5138] munmap(0x7f1ceae00000, 138412032 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... mmap resumed>) = 0x20000000 [pid 5132] <... futex resumed>) = 0 [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... mmap resumed>) = 0x7f1ceae00000 [pid 5139] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5138] <... munmap resumed>) = 0 [pid 5135] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = 0 [pid 5139] close(3 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5135] <... open resumed>) = 3 [pid 5134] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5138] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] socketpair(AF_UNIX, 0, 0, [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5138] close(3 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5135] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... close resumed>) = 0 [pid 5135] <... open resumed>) = 4 [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5135] ftruncate(3, 5 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... ftruncate resumed>) = 0 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... close resumed>) = 0 [pid 5135] sendfile(3, 4, NULL, 4 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5135] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... mmap resumed>) = 0x20000000 [pid 5134] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5139] <... futex resumed>) = 1 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... write resumed>) = 1048576 [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] <... futex resumed>) = 1 [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5140] munmap(0x7f1ceae00000, 138412032 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... munmap resumed>) = 0 [pid 5139] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] memfd_create("syzkaller", 0 [pid 5133] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5138] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5135] socketpair(AF_UNIX, 0, 0, [pid 5134] <... memfd_create resumed>) = 5 [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... open resumed>) = 3 [pid 5140] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... open resumed>) = 3 [pid 5135] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5139] <... futex resumed>) = 1 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... mmap resumed>) = 0x7f1ceae00000 [pid 5139] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5138] <... futex resumed>) = 1 [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5134] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5133] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5139] <... open resumed>) = 4 [pid 5138] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5140] close(3 [pid 5139] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5138] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5134] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5131] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5140] <... close resumed>) = 0 [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] <... open resumed>) = 4 [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] memfd_create("syzkaller", 0 [pid 5132] <... write resumed>) = 156 [pid 5136] <... futex resumed>) = 0 [pid 5132] exit_group(0 [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... futex resumed>) = ? [pid 5135] <... memfd_create resumed>) = 5 [pid 5132] <... exit_group resumed>) = ? [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] ftruncate(3, 5 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] <... ftruncate resumed>) = 0 [pid 5135] <... mmap resumed>) = 0x7f1ceae00000 [pid 5140] <... futex resumed>) = 1 [pid 5139] ftruncate(3, 5 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5135] munmap(0x7f1ceae00000, 138412032 [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5140] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5135] <... munmap resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5138] sendfile(3, 4, NULL, 4 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] <... ftruncate resumed>) = 0 [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] close(5 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] <... futex resumed>) = 0 [pid 5139] sendfile(3, 4, NULL, 4 [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... close resumed>) = 0 [pid 5135] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... open resumed>) = 3 [pid 5139] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5138] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5140] <... futex resumed>) = 1 [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5137] <... futex resumed>) = 0 [pid 5135] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5140] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5139] <... futex resumed>) = 1 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5131] <... write resumed>) = 156 [pid 5140] <... open resumed>) = 4 [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] exit_group(0 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5136] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = ? [pid 5133] <... futex resumed>) = 0 [pid 5131] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5140] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] ftruncate(3, 5 [pid 5139] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5138] <... mmap resumed>) = 0x20000000 [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5140] <... ftruncate resumed>) = 0 [pid 5137] <... futex resumed>) = 0 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... mmap resumed>) = 0x20000000 [pid 5140] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 0 [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5133] <... futex resumed>) = 1 [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5136] <... futex resumed>) = 0 [pid 5139] socketpair(AF_UNIX, 0, 0, [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] sendfile(3, 4, NULL, 4 [pid 5139] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ ./strace-static-x86_64: Process 5141 attached [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] socketpair(AF_UNIX, 0, 0, [pid 5141] set_robust_list(0x555555750760, 24 [pid 5139] <... futex resumed>) = 1 [pid 5136] <... futex resumed>) = 0 [pid 5138] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5141 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5139] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] memfd_create("syzkaller", 0 [pid 5138] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5133] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] setpgid(0, 0 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] <... memfd_create resumed>) = 5 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5141] <... setpgid resumed>) = 0 [pid 5140] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5138] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... mmap resumed>) = 0x20000000 [pid 5139] <... mmap resumed>) = 0x7f1ceae00000 [pid 5138] memfd_create("syzkaller", 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5141] <... openat resumed>) = 3 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5138] <... memfd_create resumed>) = 5 [pid 5141] write(3, "1000", 4 [pid 5140] <... futex resumed>) = 1 [pid 5139] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5137] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5141] <... write resumed>) = 4 [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... futex resumed>) = 1 [pid 5138] <... mmap resumed>) = 0x7f1ceae00000 [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5136] <... futex resumed>) = 0 [pid 5141] close(3 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5137] <... futex resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5136] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5141] <... close resumed>) = 0 [pid 5140] socketpair(AF_UNIX, 0, 0, [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... write resumed>) = 156 [pid 5138] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] exit_group(0 [pid 5138] <... futex resumed>) = 1 [pid 5136] <... exit_group resumed>) = ? [pid 5139] <... futex resumed>) = ? [pid 5138] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 0 [pid 5133] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5140] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5141] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... write resumed>) = 156 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] exit_group(0 [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = ? [pid 5137] <... futex resumed>) = 0 [pid 5133] <... exit_group resumed>) = ? [pid 5141] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] +++ exited with 0 +++ [pid 5137] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5141] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5140] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5137] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] memfd_create("syzkaller", 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5140] <... memfd_create resumed>) = 5 ./strace-static-x86_64: Process 5142 attached [pid 5141] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5142 [pid 5142] set_robust_list(0x555555750760, 24 [pid 5140] <... mmap resumed>) = 0x7f1ceae00000 [pid 5141] <... mprotect resumed>) = 0 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5142] <... prctl resumed>) = 0 [pid 5141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5142] setpgid(0, 0 [pid 5141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5140] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] +++ exited with 0 +++ [pid 5140] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5142] <... setpgid resumed>) = 0 [pid 5140] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] +++ exited with 0 +++ [pid 5141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5137] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5136] +++ exited with 0 +++ write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ./strace-static-x86_64: Process 5143 attached [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... write resumed>) = 156 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5143] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5142] <... openat resumed>) = 3 [pid 5141] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5137] exit_group(0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] <... exit_group resumed>) = ? [pid 5143] <... rseq resumed>) = 0 [pid 5142] write(3, "1000", 4 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] <... futex resumed>) = ? [pid 5066] <... restart_syscall resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5143] set_robust_list(0x7f1cf33879a0, 24 [pid 5142] <... write resumed>) = 4 [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] close(3 [pid 5141] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5142] <... futex resumed>) = 0 [pid 5143] memfd_create("syzkaller", 0 [pid 5142] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] <... memfd_create resumed>) = 3 [pid 5142] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5144 attached [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5140] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5144 [pid 5144] set_robust_list(0x555555750760, 24) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] <... mmap resumed>) = 0x7f1ceae00000 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5145 attached [pid 5144] <... prctl resumed>) = 0 [pid 5142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] set_robust_list(0x555555750760, 24 [pid 5144] setpgid(0, 0 [pid 5142] <... mmap resumed>) = 0x7f1cf3367000 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5145 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5144] <... setpgid resumed>) = 0 [pid 5142] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] <... mprotect resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5145] <... prctl resumed>) = 0 [pid 5144] <... openat resumed>) = 3 [pid 5142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5145] setpgid(0, 0 [pid 5142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5146 attached [pid 5145] <... setpgid resumed>) = 0 [pid 5144] write(3, "1000", 4 [pid 5143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 5147 attached [pid 5146] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5144] <... write resumed>) = 4 [pid 5142] <... clone3 resumed> => {parent_tid=[5146]}, 88) = 5146 [pid 5147] set_robust_list(0x555555750760, 24 [pid 5146] <... rseq resumed>) = 0 [pid 5145] <... openat resumed>) = 3 [pid 5144] close(3 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] set_robust_list(0x7f1cf33879a0, 24 [pid 5145] write(3, "1000", 4 [pid 5144] <... close resumed>) = 0 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5147 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... write resumed>) = 4 [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... prctl resumed>) = 0 [pid 5145] close(3) = 0 [pid 5147] setpgid(0, 0 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... futex resumed>) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] memfd_create("syzkaller", 0 [pid 5145] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5144] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5143] <... write resumed>) = 1048576 [pid 5146] <... memfd_create resumed>) = 3 [pid 5145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5143] munmap(0x7f1ceae00000, 138412032 [pid 5147] <... openat resumed>) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5143] <... munmap resumed>) = 0 [pid 5146] <... mmap resumed>) = 0x7f1ceae00000 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5147] write(3, "1000", 4 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... write resumed>) = 4 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] close(3) = 0 [pid 5145] <... mmap resumed>) = 0x7f1cf3367000 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5143] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5144] <... mmap resumed>) = 0x7f1cf3367000 [pid 5143] close(3 [pid 5147] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5147] <... futex resumed>) = 0 [pid 5146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5145] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5144] <... mprotect resumed>) = 0 [pid 5147] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5145] <... mprotect resumed>) = 0 [pid 5147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5147] <... mmap resumed>) = 0x7f1cf3367000 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5147] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5148 attached ) = 0 [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} => {parent_tid=[5149]}, 88) = 5149 ./strace-static-x86_64: Process 5149 attached [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... rseq resumed>) = 0 [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] set_robust_list(0x7f1cf33879a0, 24 [pid 5144] <... futex resumed>) = 0 [pid 5148] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] <... rseq resumed>) = 0 [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5145] <... clone3 resumed> => {parent_tid=[5148]}, 88) = 5148 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5149] memfd_create("syzkaller", 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5148] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5149] <... memfd_create resumed>) = 3 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... clone3 resumed> => {parent_tid=[5150]}, 88) = 5150 [pid 5145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5150 attached [pid 5148] memfd_create("syzkaller", 0 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5143] <... close resumed>) = 0 [pid 5150] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5148] <... memfd_create resumed>) = 3 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5150] <... rseq resumed>) = 0 [pid 5148] <... mmap resumed>) = 0x7f1ceae00000 [pid 5147] <... futex resumed>) = 0 [pid 5143] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] set_robust_list(0x7f1cf33879a0, 24 [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] <... set_robust_list resumed>) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5143] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] <... open resumed>) = 3 [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5150] <... mmap resumed>) = 0x7f1ceae00000 [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5143] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... write resumed>) = 1048576 [pid 5143] <... open resumed>) = 4 [pid 5149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5143] ftruncate(3, 5 [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] munmap(0x7f1ceae00000, 138412032 [pid 5143] <... ftruncate resumed>) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5146] <... munmap resumed>) = 0 [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5143] sendfile(3, 4, NULL, 4 [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5143] <... futex resumed>) = 0 [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5146] close(3 [pid 5143] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... mmap resumed>) = 0x20000000 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5143] socketpair(AF_UNIX, 0, 0, [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = 0 [pid 5143] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 0 [pid 5141] <... futex resumed>) = 1 [pid 5143] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5141] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5143] memfd_create("syzkaller", 0) = 5 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5143] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5143] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5143] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 5141] exit_group(0) = ? [pid 5143] <... futex resumed>) = ? [pid 5143] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5149] <... write resumed>) = 1048576 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555750750) = 5151 ./strace-static-x86_64: Process 5151 attached [pid 5151] set_robust_list(0x555555750760, 24) = 0 [pid 5149] munmap(0x7f1ceae00000, 138412032 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] <... munmap resumed>) = 0 [pid 5146] <... close resumed>) = 0 [pid 5151] <... prctl resumed>) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5151] <... openat resumed>) = 3 [pid 5149] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5149] close(3 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5151] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5146] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5146] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5142] <... futex resumed>) = 0 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... open resumed>) = 3 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5151] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] <... write resumed>) = 1048576 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5148] munmap(0x7f1ceae00000, 138412032 [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5146] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... open resumed>) = 4 [pid 5142] <... futex resumed>) = 0 [pid 5148] <... munmap resumed>) = 0 [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5152 attached [pid 5151] <... clone3 resumed> => {parent_tid=[5152]}, 88) = 5152 [pid 5148] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5146] <... futex resumed>) = 0 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 0 [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5146] ftruncate(3, 5 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... write resumed>) = 1048576 [pid 5148] close(3 [pid 5152] <... rseq resumed>) = 0 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5146] <... ftruncate resumed>) = 0 [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] set_robust_list(0x7f1cf33879a0, 24 [pid 5146] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5146] sendfile(3, 4, NULL, 4 [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] munmap(0x7f1ceae00000, 138412032 [pid 5152] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5146] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... munmap resumed>) = 0 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 0 [pid 5146] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... close resumed>) = 0 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... mmap resumed>) = 0x20000000 [pid 5149] <... futex resumed>) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5149] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5152] memfd_create("syzkaller", 0 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5149] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... memfd_create resumed>) = 3 [pid 5146] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5149] <... open resumed>) = 3 [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5150] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5146] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 0 [pid 5152] <... mmap resumed>) = 0x7f1ceae00000 [pid 5150] close(3 [pid 5149] <... futex resumed>) = 1 [pid 5146] socketpair(AF_UNIX, 0, 0, [pid 5144] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5148] <... close resumed>) = 0 [pid 5146] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] <... open resumed>) = 4 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 1 [pid 5146] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] ftruncate(3, 5 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... futex resumed>) = 0 [pid 5149] <... ftruncate resumed>) = 0 [pid 5148] <... futex resumed>) = 1 [pid 5146] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5142] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5146] memfd_create("syzkaller", 0 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... futex resumed>) = 0 [pid 5148] <... open resumed>) = 3 [pid 5146] <... memfd_create resumed>) = 5 [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5146] <... mmap resumed>) = 0x7f1ceae00000 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] <... futex resumed>) = 0 [pid 5149] sendfile(3, 4, NULL, 4 [pid 5148] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5146] munmap(0x7f1ceae00000, 138412032 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... munmap resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5149] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5148] <... open resumed>) = 4 [pid 5146] close(5 [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... close resumed>) = 0 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5146] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5149] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] ftruncate(3, 5 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 0 [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... futex resumed>) = 0 [pid 5152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... ftruncate resumed>) = 0 [pid 5146] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5142] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5150] <... close resumed>) = 0 [pid 5149] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... write resumed>) = 156 [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mmap resumed>) = 0x20000000 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] exit_group(0 [pid 5150] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5146] <... futex resumed>) = ? [pid 5142] <... exit_group resumed>) = ? [pid 5150] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 1 [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5150] <... open resumed>) = 3 [pid 5149] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] sendfile(3, 4, NULL, 4 [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] socketpair(AF_UNIX, 0, 0, [pid 5148] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] +++ exited with 0 +++ [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] +++ exited with 0 +++ [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5150] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 1 [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5150] <... open resumed>) = 4 [pid 5149] <... futex resumed>) = 1 [pid 5148] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = 0 [pid 5144] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5149] memfd_create("syzkaller", 0 [pid 5148] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5150] ftruncate(3, 5 [pid 5149] <... memfd_create resumed>) = 5 [pid 5148] <... mmap resumed>) = 0x20000000 [pid 5147] <... futex resumed>) = 0 [pid 5144] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5150] <... ftruncate resumed>) = 0 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mmap resumed>) = 0x7f1ceae00000 [pid 5148] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5150] <... futex resumed>) = 1 [pid 5149] munmap(0x7f1ceae00000, 138412032 [pid 5148] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] <... futex resumed>) = 0 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... munmap resumed>) = 0 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5153 attached [pid 5152] <... write resumed>) = 1048576 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] close(5 [pid 5148] socketpair(AF_UNIX, 0, 0, [pid 5147] <... futex resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5153] set_robust_list(0x555555750760, 24 [pid 5152] munmap(0x7f1ceae00000, 138412032 [pid 5150] sendfile(3, 4, NULL, 4 [pid 5149] <... close resumed>) = 0 [pid 5148] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5153 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5149] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] <... munmap resumed>) = 0 [pid 5150] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5145] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5149] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5145] <... futex resumed>) = 0 [pid 5144] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5153] <... prctl resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5148] memfd_create("syzkaller", 0 [pid 5145] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5144] <... write resumed>) = 156 [pid 5152] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5153] setpgid(0, 0 [pid 5152] close(3 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] <... memfd_create resumed>) = 5 [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] exit_group(0 [pid 5153] <... setpgid resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = ? [pid 5147] <... futex resumed>) = 0 [pid 5144] <... exit_group resumed>) = ? [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5149] +++ exited with 0 +++ [pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] +++ exited with 0 +++ [pid 5150] <... mmap resumed>) = 0x20000000 [pid 5148] <... mmap resumed>) = 0x7f1ceae00000 [pid 5153] <... openat resumed>) = 3 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5148] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5153] write(3, "1000", 4 [pid 5148] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5153] <... write resumed>) = 4 [pid 5150] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDwrite to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ./strace-static-x86_64: Process 5154 attached [pid 5153] close(3 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5153] <... close resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5145] <... write resumed>) = 156 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5154 [pid 5154] set_robust_list(0x555555750760, 24 [pid 5153] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] socketpair(AF_UNIX, 0, 0, [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] exit_group(0 [pid 5153] <... futex resumed>) = 0 [pid 5150] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5148] <... futex resumed>) = ? [pid 5145] <... exit_group resumed>) = ? [pid 5148] +++ exited with 0 +++ [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5152] <... close resumed>) = 0 [pid 5145] +++ exited with 0 +++ [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5154] <... prctl resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] setpgid(0, 0 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5154] <... setpgid resumed>) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5147] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] <... mmap resumed>) = 0x7f1cf3367000 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5150] memfd_create("syzkaller", 0 [pid 5154] <... openat resumed>) = 3 [pid 5153] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5152] <... open resumed>) = 3 [pid 5154] write(3, "1000", 4 [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... memfd_create resumed>) = 5 [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5154] <... write resumed>) = 4 [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5154] close(3 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5152] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... mmap resumed>) = 0x7f1ceae00000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5155 attached [pid 5154] <... close resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5155] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5154] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... clone3 resumed> => {parent_tid=[5155]}, 88) = 5155 [pid 5152] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5156 attached [pid 5155] <... rseq resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] <... open resumed>) = 4 [pid 5150] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5156] set_robust_list(0x555555750760, 24 [pid 5155] set_robust_list(0x7f1cf33879a0, 24 [pid 5154] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5147] <... write resumed>) = 156 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5156 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5153] <... futex resumed>) = 0 [pid 5152] ftruncate(3, 5 [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] exit_group(0 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = ? [pid 5147] <... exit_group resumed>) = ? [pid 5156] <... prctl resumed>) = 0 [pid 5155] memfd_create("syzkaller", 0 [pid 5154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] <... ftruncate resumed>) = 0 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] setpgid(0, 0 [pid 5155] <... memfd_create resumed>) = 3 [pid 5154] <... mmap resumed>) = 0x7f1cf3367000 [pid 5156] <... setpgid resumed>) = 0 [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5154] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5155] <... mmap resumed>) = 0x7f1ceae00000 [pid 5154] <... mprotect resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] +++ exited with 0 +++ [pid 5147] +++ exited with 0 +++ [pid 5152] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] sendfile(3, 4, NULL, 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5151] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5154] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5154] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached ./strace-static-x86_64: Process 5157 attached [pid 5156] <... openat resumed>) = 3 [pid 5154] <... clone3 resumed> => {parent_tid=[5157]}, 88) = 5157 [pid 5152] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5158] set_robust_list(0x555555750760, 24 [pid 5157] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5156] write(3, "1000", 4 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5158 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] <... rseq resumed>) = 0 [pid 5156] <... write resumed>) = 4 [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5157] set_robust_list(0x7f1cf33879a0, 24 [pid 5156] close(3 [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] <... prctl resumed>) = 0 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] <... close resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5152] <... mmap resumed>) = 0x20000000 [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] setpgid(0, 0 [pid 5157] memfd_create("syzkaller", 0 [pid 5156] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5157] <... memfd_create resumed>) = 3 [pid 5158] <... setpgid resumed>) = 0 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5156] <... futex resumed>) = 0 [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] <... mmap resumed>) = 0x7f1ceae00000 [pid 5156] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5158] <... openat resumed>) = 3 [pid 5156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5152] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] write(3, "1000", 4 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] socketpair(AF_UNIX, 0, 0, [pid 5151] <... futex resumed>) = 0 [pid 5158] <... write resumed>) = 4 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... mmap resumed>) = 0x7f1cf3367000 [pid 5158] close(3 [pid 5156] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... write resumed>) = 1048576 [pid 5158] <... close resumed>) = 0 [pid 5156] <... mprotect resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5155] munmap(0x7f1ceae00000, 138412032 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 [pid 5156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5158] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5155] <... munmap resumed>) = 0 [pid 5152] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5151] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5159 attached [pid 5158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5155] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5152] memfd_create("syzkaller", 0 [pid 5159] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5159] <... rseq resumed>) = 0 [pid 5152] <... memfd_create resumed>) = 5 [pid 5159] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] <... clone3 resumed> => {parent_tid=[5159]}, 88) = 5159 [pid 5155] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5159] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] <... mmap resumed>) = 0x7f1ceae00000 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] <... mmap resumed>) = 0x7f1cf3367000 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] close(3 [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... mprotect resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5152] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5159] memfd_create("syzkaller", 0 [pid 5158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] <... memfd_create resumed>) = 3 [pid 5152] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5155] <... close resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5160 attached [pid 5159] <... mmap resumed>) = 0x7f1ceae00000 [pid 5151] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5160] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5151] <... write resumed>) = 156 [pid 5158] <... clone3 resumed> => {parent_tid=[5160]}, 88) = 5160 [pid 5151] exit_group(0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... rseq resumed>) = 0 [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 1 [pid 5151] <... exit_group resumed>) = ? [pid 5158] <... futex resumed>) = 0 [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5160] set_robust_list(0x7f1cf33879a0, 24 [pid 5157] <... write resumed>) = 1048576 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5153] <... futex resumed>) = 0 [pid 5152] +++ exited with 0 +++ [pid 5151] +++ exited with 0 +++ [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] munmap(0x7f1ceae00000, 138412032 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... munmap resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] memfd_create("syzkaller", 0 [pid 5155] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5160] <... memfd_create resumed>) = 3 [pid 5155] <... open resumed>) = 3 [pid 5157] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5157] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5160] <... mmap resumed>) = 0x7f1ceae00000 [pid 5157] close(3 [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5161 ./strace-static-x86_64: Process 5161 attached [pid 5155] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5161] set_robust_list(0x555555750760, 24 [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... set_robust_list resumed>) = 0 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5161] <... prctl resumed>) = 0 [pid 5155] ftruncate(3, 5 [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] setpgid(0, 0 [pid 5157] <... close resumed>) = 0 [pid 5155] <... ftruncate resumed>) = 0 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... setpgid resumed>) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5161] <... openat resumed>) = 3 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] sendfile(3, 4, NULL, 4 [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] write(3, "1000", 4 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5161] <... write resumed>) = 4 [pid 5157] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] close(3 [pid 5157] <... open resumed>) = 3 [pid 5155] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... close resumed>) = 0 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5161] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5157] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5155] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... open resumed>) = 4 [pid 5155] <... mmap resumed>) = 0x20000000 [pid 5161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] <... write resumed>) = 1048576 [pid 5157] <... futex resumed>) = 1 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = 0 [pid 5161] <... mmap resumed>) = 0x7f1cf3367000 [pid 5159] munmap(0x7f1ceae00000, 138412032 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] <... futex resumed>) = 1 [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5161] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5159] <... munmap resumed>) = 0 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] <... futex resumed>) = 0 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... mprotect resumed>) = 0 [pid 5157] ftruncate(3, 5 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] <... futex resumed>) = 0 [pid 5161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5155] socketpair(AF_UNIX, 0, 0, [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5159] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5157] <... ftruncate resumed>) = 0 [pid 5155] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5159] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... clone3 resumed> => {parent_tid=[5162]}, 88) = 5162 [pid 5159] close(3./strace-static-x86_64: Process 5162 attached [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5162] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... rseq resumed>) = 0 [pid 5160] <... write resumed>) = 1048576 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5162] set_robust_list(0x7f1cf33879a0, 24 [pid 5161] <... futex resumed>) = 0 [pid 5160] munmap(0x7f1ceae00000, 138412032 [pid 5157] sendfile(3, 4, NULL, 4 [pid 5155] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] <... set_robust_list resumed>) = 0 [pid 5160] <... munmap resumed>) = 0 [pid 5155] memfd_create("syzkaller", 0 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... memfd_create resumed>) = 5 [pid 5162] memfd_create("syzkaller", 0 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5162] <... memfd_create resumed>) = 3 [pid 5160] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5157] <... futex resumed>) = 1 [pid 5155] <... mmap resumed>) = 0x7f1ceae00000 [pid 5154] <... futex resumed>) = 0 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5160] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] munmap(0x7f1ceae00000, 138412032 [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... mmap resumed>) = 0x7f1ceae00000 [pid 5160] close(3 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... munmap resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5159] <... close resumed>) = 0 [pid 5157] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... mmap resumed>) = 0x20000000 [pid 5155] close(5 [pid 5159] <... futex resumed>) = 1 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5155] <... close resumed>) = 0 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = 1 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5160] <... close resumed>) = 0 [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] <... futex resumed>) = 0 [pid 5153] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... open resumed>) = 3 [pid 5157] socketpair(AF_UNIX, 0, 0, [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] <... write resumed>) = 156 [pid 5160] <... futex resumed>) = 1 [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = 0 [pid 5157] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5153] exit_group(0 [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... futex resumed>) = 1 [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = 0 [pid 5157] <... futex resumed>) = 1 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] +++ exited with 0 +++ [pid 5154] <... futex resumed>) = 0 [pid 5160] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] <... futex resumed>) = 0 [pid 5154] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] +++ exited with 0 +++ [pid 5162] <... write resumed>) = 1048576 [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = 0 [pid 5162] munmap(0x7f1ceae00000, 138412032 [pid 5160] <... open resumed>) = 3 [pid 5159] <... open resumed>) = 4 [pid 5157] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5154] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] <... munmap resumed>) = 0 [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] memfd_create("syzkaller", 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5162] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5160] <... futex resumed>) = 1 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 [pid 5157] <... memfd_create resumed>) = 5 [pid 5156] <... futex resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5162] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5162] close(3 [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... futex resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x7f1ceae00000 [pid 5156] <... futex resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5159] ftruncate(3, 5 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... open resumed>) = 4 [pid 5159] <... ftruncate resumed>) = 0 [pid 5157] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5156] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] sendfile(3, 4, NULL, 4 [pid 5156] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5163 attached [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] set_robust_list(0x555555750760, 24 [pid 5160] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 [pid 5157] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5163 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... futex resumed>) = 0 [pid 5157] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5163] <... prctl resumed>) = 0 [pid 5160] ftruncate(3, 5 [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... write resumed>) = 156 [pid 5163] setpgid(0, 0 [pid 5160] <... ftruncate resumed>) = 0 [pid 5154] exit_group(0 [pid 5163] <... setpgid resumed>) = 0 [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = ? [pid 5154] <... exit_group resumed>) = ? [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] <... close resumed>) = 0 [pid 5160] <... futex resumed>) = 1 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 [pid 5157] +++ exited with 0 +++ [pid 5156] <... futex resumed>) = 0 [pid 5154] +++ exited with 0 +++ [pid 5160] sendfile(3, 4, NULL, 4 [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... openat resumed>) = 3 [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5159] <... mmap resumed>) = 0x20000000 [pid 5158] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5163] write(3, "1000", 4) = 4 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] close(3 [pid 5162] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... close resumed>) = 0 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 1 [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5163] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] <... open resumed>) = 3 [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] socketpair(AF_UNIX, 0, 0, [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5163] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5159] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... mmap resumed>) = 0x20000000 [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5162] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5164 attached [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... open resumed>) = 4 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 1 [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5164] set_robust_list(0x555555750760, 24 [pid 5163] <... mmap resumed>) = 0x7f1cf3367000 [pid 5162] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5164 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5162] ftruncate(3, 5 [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] socketpair(AF_UNIX, 0, 0, [pid 5159] memfd_create("syzkaller", 0 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] <... mprotect resumed>) = 0 [pid 5162] <... ftruncate resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5159] <... memfd_create resumed>) = 5 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... prctl resumed>) = 0 [pid 5163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 1 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5164] setpgid(0, 0 [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = 0 [pid 5164] <... setpgid resumed>) = 0 [pid 5163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5159] <... mmap resumed>) = 0x7f1ceae00000 [pid 5158] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5162] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] munmap(0x7f1ceae00000, 138412032 [pid 5160] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5165 attached [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... futex resumed>) = 0 [pid 5160] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5159] <... munmap resumed>) = 0 [pid 5165] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5164] <... openat resumed>) = 3 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] memfd_create("syzkaller", 0 [pid 5158] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5165] <... rseq resumed>) = 0 [pid 5163] <... clone3 resumed> => {parent_tid=[5165]}, 88) = 5165 [pid 5162] sendfile(3, 4, NULL, 4 [pid 5159] close(5 [pid 5164] write(3, "1000", 4 [pid 5165] set_robust_list(0x7f1cf33879a0, 24 [pid 5164] <... write resumed>) = 4 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5160] <... memfd_create resumed>) = 5 [pid 5159] <... close resumed>) = 0 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] close(3 [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5159] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] <... close resumed>) = 0 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5159] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = 0 [pid 5165] memfd_create("syzkaller", 0 [pid 5164] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... mmap resumed>) = 0x7f1ceae00000 [pid 5159] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULLwrite to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5156] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5165] <... memfd_create resumed>) = 3 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... write resumed>) = 156 [pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5164] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5162] <... mmap resumed>) = 0x20000000 [pid 5161] <... futex resumed>) = 0 [pid 5160] munmap(0x7f1ceae00000, 138412032 [pid 5156] exit_group(0 [pid 5165] <... mmap resumed>) = 0x7f1ceae00000 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5160] <... munmap resumed>) = 0 [pid 5159] <... futex resumed>) = ? [pid 5156] <... exit_group resumed>) = ? [pid 5164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] close(5 [pid 5159] +++ exited with 0 +++ [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... futex resumed>) = 0 [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... close resumed>) = 0 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] socketpair(AF_UNIX, 0, 0, [pid 5160] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... mmap resumed>) = 0x7f1cf3367000 [pid 5162] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5160] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5164] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5164] <... mprotect resumed>) = 0 [pid 5162] <... futex resumed>) = 0 [pid 5158] <... write resumed>) = 156 [pid 5158] exit_group(0 [pid 5164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5162] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = ? [pid 5158] <... exit_group resumed>) = ? [pid 5156] +++ exited with 0 +++ [pid 5165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] +++ exited with 0 +++ [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5161] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5162] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 1 [pid 5162] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5161] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5166 attached [pid 5162] memfd_create("syzkaller", 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5166] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5164] <... clone3 resumed> => {parent_tid=[5166]}, 88) = 5166 [pid 5162] <... memfd_create resumed>) = 5 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5166] <... rseq resumed>) = 0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5166] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... mmap resumed>) = 0x7f1ceae00000 [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5164] <... futex resumed>) = 0 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] <... write resumed>) = 1048576 [pid 5162] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] set_robust_list(0x555555750760, 24 [pid 5166] memfd_create("syzkaller", 0 [pid 5165] munmap(0x7f1ceae00000, 138412032 [pid 5162] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5168 attached [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] <... memfd_create resumed>) = 3 [pid 5162] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5161] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5167 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5168 [pid 5168] set_robust_list(0x555555750760, 24 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5165] <... munmap resumed>) = 0 [pid 5161] <... write resumed>) = 156 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5161] exit_group(0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] <... prctl resumed>) = 0 [pid 5166] <... mmap resumed>) = 0x7f1ceae00000 [pid 5165] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5162] <... futex resumed>) = ? [pid 5161] <... exit_group resumed>) = ? [pid 5168] <... prctl resumed>) = 0 [pid 5167] setpgid(0, 0 [pid 5165] close(3 [pid 5162] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5168] setpgid(0, 0 [pid 5167] <... setpgid resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5168] <... setpgid resumed>) = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3 [pid 5167] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5168] <... close resumed>) = 0 [pid 5168] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5168] <... futex resumed>) = 0 [pid 5167] write(3, "1000", 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5168] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5168] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5167] <... write resumed>) = 4 [pid 5165] <... close resumed>) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5167] close(3) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5169 [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5169] set_robust_list(0x555555750760, 24 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] <... clone3 resumed> => {parent_tid=[5170]}, 88) = 5170 [pid 5167] <... futex resumed>) = 0 [pid 5167] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5168] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5170 attached NULL, 8) = 0 [pid 5170] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... rseq resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5167] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5170] set_robust_list(0x7f1cf33879a0, 24 [pid 5167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5170] <... set_robust_list resumed>) = 0 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] <... prctl resumed>) = 0 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] setpgid(0, 0 [pid 5165] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 [pid 5170] memfd_create("syzkaller", 0 [pid 5167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5165] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... memfd_create resumed>) = 3 [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... futex resumed>) = 0 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5165] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... setpgid resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x7f1ceae00000 [pid 5167] <... mmap resumed>) = 0x7f1cf3367000 [pid 5165] <... open resumed>) = 3 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] <... write resumed>) = 1048576 [pid 5169] <... openat resumed>) = 3 [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5169] write(3, "1000", 4) = 4 [pid 5165] <... futex resumed>) = 1 [pid 5169] close(3) = 0 [pid 5165] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 0 [pid 5167] <... mprotect resumed>) = 0 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 1 [pid 5169] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5165] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5169] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5166] munmap(0x7f1ceae00000, 138412032 [pid 5165] <... open resumed>) = 4 [pid 5170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5165] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5171 attached [pid 5169] <... mmap resumed>) = 0x7f1cf3367000 [pid 5166] <... munmap resumed>) = 0 [pid 5165] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... futex resumed>) = 0 [pid 5171] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5167] <... clone3 resumed> => {parent_tid=[5171]}, 88) = 5171 [pid 5165] ftruncate(3, 5 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... mprotect resumed>) = 0 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... rseq resumed>) = 0 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5165] <... ftruncate resumed>) = 0 [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5165] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] set_robust_list(0x7f1cf33879a0, 24 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5167] <... futex resumed>) = 0 [pid 5166] close(3 [pid 5165] sendfile(3, 4, NULL, 4 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5163] <... futex resumed>) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] memfd_create("syzkaller", 0 [pid 5165] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 [pid 5165] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... mmap resumed>) = 0x20000000 [pid 5163] <... futex resumed>) = 0 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5172 attached [pid 5172] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053) = 0 [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] set_robust_list(0x7f1cf33879a0, 24 [pid 5163] <... futex resumed>) = 0 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] socketpair(AF_UNIX, 0, 0, [pid 5163] <... futex resumed>) = 0 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5163] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5163] <... futex resumed>) = 0 [pid 5165] memfd_create("syzkaller", 0 [pid 5163] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5165] <... memfd_create resumed>) = 5 [pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5165] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5171] <... memfd_create resumed>) = 3 [pid 5170] <... write resumed>) = 1048576 [pid 5169] <... clone3 resumed> => {parent_tid=[5172]}, 88) = 5172 [pid 5166] <... close resumed>) = 0 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5170] munmap(0x7f1ceae00000, 138412032 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... mmap resumed>) = 0x7f1ceae00000 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5170] <... munmap resumed>) = 0 [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5172] <... futex resumed>) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5169] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] <... futex resumed>) = 0 [pid 5163] <... write resumed>) = 156 [pid 5172] memfd_create("syzkaller", 0 [pid 5170] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] exit_group(0 [pid 5172] <... memfd_create resumed>) = 3 [pid 5170] close(3 [pid 5163] <... exit_group resumed>) = ? [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5166] <... open resumed>) = 3 [pid 5165] <... futex resumed>) = ? [pid 5172] <... mmap resumed>) = 0x7f1ceae00000 [pid 5170] <... close resumed>) = 0 [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5165] +++ exited with 0 +++ [pid 5163] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5166] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5166] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5170] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... open resumed>) = 4 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 5173 attached [pid 5171] <... write resumed>) = 1048576 [pid 5170] <... open resumed>) = 3 [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] set_robust_list(0x555555750760, 24 [pid 5171] munmap(0x7f1ceae00000, 138412032 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5171] <... munmap resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5166] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... futex resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5173 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5168] <... futex resumed>) = 0 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] <... futex resumed>) = 0 [pid 5173] <... prctl resumed>) = 0 [pid 5170] <... open resumed>) = 4 [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] ftruncate(3, 5 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] setpgid(0, 0 [pid 5171] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... ftruncate resumed>) = 0 [pid 5173] <... setpgid resumed>) = 0 [pid 5171] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5170] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] ftruncate(3, 5 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5172] <... write resumed>) = 1048576 [pid 5171] close(3 [pid 5170] <... ftruncate resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5166] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... openat resumed>) = 3 [pid 5172] munmap(0x7f1ceae00000, 138412032 [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] write(3, "1000", 4 [pid 5166] sendfile(3, 4, NULL, 4 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... write resumed>) = 4 [pid 5170] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5173] close(3 [pid 5172] <... munmap resumed>) = 0 [pid 5170] sendfile(3, 4, NULL, 4 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5168] <... futex resumed>) = 0 [pid 5173] <... close resumed>) = 0 [pid 5172] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5170] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5173] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5172] close(3 [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5170] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5168] <... futex resumed>) = 0 [pid 5166] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... mmap resumed>) = 0x20000000 [pid 5173] <... mmap resumed>) = 0x7f1cf3367000 [pid 5170] <... mmap resumed>) = 0x20000000 [pid 5171] <... close resumed>) = 0 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5170] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5166] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5173] <... mprotect resumed>) = 0 [pid 5171] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5166] socketpair(AF_UNIX, 0, 0, [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] socketpair(AF_UNIX, 0, 0, [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... close resumed>) = 0 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5172] <... futex resumed>) = 1 [pid 5171] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... futex resumed>) = 1 [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5164] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5174 attached [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5164] <... futex resumed>) = 0 [pid 5174] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5172] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5171] <... open resumed>) = 3 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5164] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] memfd_create("syzkaller", 0 [pid 5173] <... clone3 resumed> => {parent_tid=[5174]}, 88) = 5174 [pid 5174] <... rseq resumed>) = 0 [pid 5172] <... open resumed>) = 3 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5168] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] <... memfd_create resumed>) = 5 [pid 5174] set_robust_list(0x7f1cf33879a0, 24 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 1 [pid 5170] memfd_create("syzkaller", 0 [pid 5167] <... futex resumed>) = 0 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 1 [pid 5171] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... futex resumed>) = 0 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5170] <... memfd_create resumed>) = 5 [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5174] memfd_create("syzkaller", 0 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5172] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5170] <... mmap resumed>) = 0x7f1ceae00000 [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... mmap resumed>) = 0x7f1ceae00000 [pid 5171] <... open resumed>) = 4 [pid 5174] <... memfd_create resumed>) = 3 [pid 5172] <... open resumed>) = 4 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5166] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 1 [pid 5170] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5166] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... mmap resumed>) = 0x7f1ceae00000 [pid 5172] <... futex resumed>) = 1 [pid 5171] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... futex resumed>) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5172] ftruncate(3, 5 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5167] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5166] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5172] <... ftruncate resumed>) = 0 [pid 5171] ftruncate(3, 5 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... write resumed>) = 156 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... write resumed>) = 156 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... ftruncate resumed>) = 0 [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] exit_group(0 [pid 5164] exit_group(0 [pid 5172] <... futex resumed>) = 0 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = ? [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... exit_group resumed>) = ? [pid 5166] <... futex resumed>) = ? [pid 5164] <... exit_group resumed>) = ? [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 1 [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5171] sendfile(3, 4, NULL, 4 [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... futex resumed>) = 0 [pid 5172] sendfile(3, 4, NULL, 4 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] +++ exited with 0 +++ [pid 5172] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5171] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5167] <... futex resumed>) = 0 [pid 5171] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... mmap resumed>) = 0x20000000 [pid 5167] <... futex resumed>) = 0 [pid 5166] +++ exited with 0 +++ [pid 5164] +++ exited with 0 +++ [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5169] <... futex resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x20000000 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 1 [pid 5167] <... futex resumed>) = 0 [pid 5168] +++ exited with 0 +++ [pid 5174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] socketpair(AF_UNIX, 0, 0, [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5167] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5172] <... futex resumed>) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] socketpair(AF_UNIX, 0, 0, 0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5167] <... futex resumed>) = 0 [pid 5171] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] <... futex resumed>) = 0 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5175 attached ) = 1 [pid 5171] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5169] <... futex resumed>) = 0 [pid 5167] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5175] set_robust_list(0x555555750760, 24 [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] memfd_create("syzkaller", 0 [pid 5169] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5175 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... memfd_create resumed>) = 5 [pid 5169] <... futex resumed>) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5169] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5175] <... prctl resumed>) = 0 [pid 5172] memfd_create("syzkaller", 0 [pid 5171] <... mmap resumed>) = 0x7f1ceae00000 [pid 5172] <... memfd_create resumed>) = 5 [pid 5171] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5175] setpgid(0, 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5175] <... setpgid resumed>) = 0 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] <... mmap resumed>) = 0x7f1ceae00000 [pid 5171] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... openat resumed>) = 3 [pid 5172] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5171] <... futex resumed>) = 1 [pid 5171] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5176 attached [pid 5175] write(3, "1000", 4 [pid 5174] <... write resumed>) = 1048576 [pid 5172] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5167] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5176] set_robust_list(0x555555750760, 24 [pid 5175] <... write resumed>) = 4 [pid 5174] munmap(0x7f1ceae00000, 138412032 [pid 5172] <... futex resumed>) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5167] <... write resumed>) = 156 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5175] close(3 [pid 5172] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5169] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5167] exit_group(0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5176 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... close resumed>) = 0 [pid 5169] <... write resumed>) = 156 [pid 5175] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] exit_group(0 [pid 5176] <... prctl resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = ? [pid 5169] <... exit_group resumed>) = ? [pid 5176] setpgid(0, 0 [pid 5175] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5174] <... munmap resumed>) = 0 [pid 5172] +++ exited with 0 +++ [pid 5171] <... futex resumed>) = ? [pid 5167] <... exit_group resumed>) = ? [pid 5176] <... setpgid resumed>) = 0 [pid 5175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5171] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5174] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5174] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5176] <... openat resumed>) = 3 [pid 5175] <... mmap resumed>) = 0x7f1cf3367000 [pid 5167] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5176] write(3, "1000", 4 [pid 5175] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5174] <... close resumed>) = 0 [pid 5176] <... write resumed>) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5176] close(3 [pid 5175] <... mprotect resumed>) = 0 [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... close resumed>) = 0 [pid 5175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5177 attached [pid 5176] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5174] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5177] set_robust_list(0x555555750760, 24 [pid 5176] <... futex resumed>) = 0 [pid 5175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5174] <... open resumed>) = 3 [pid 5173] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5177 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5175] <... clone3 resumed> => {parent_tid=[5178]}, 88) = 5178 [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... prctl resumed>) = 0 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5177] setpgid(0, 0 [pid 5176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5178] <... rseq resumed>) = 0 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5179 attached [pid 5178] set_robust_list(0x7f1cf33879a0, 24 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] set_robust_list(0x555555750760, 24 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] <... openat resumed>) = 3 [pid 5176] <... mmap resumed>) = 0x7f1cf3367000 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... open resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5179 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] write(3, "1000", 4 [pid 5176] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... write resumed>) = 4 [pid 5176] <... mprotect resumed>) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5179] <... prctl resumed>) = 0 [pid 5178] memfd_create("syzkaller", 0 [pid 5177] close(3 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] setpgid(0, 0 [pid 5177] <... close resumed>) = 0 [pid 5176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5174] ftruncate(3, 5 [pid 5173] <... futex resumed>) = 0 [pid 5179] <... setpgid resumed>) = 0 [pid 5178] <... memfd_create resumed>) = 3 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5174] <... ftruncate resumed>) = 0 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5180 attached [pid 5179] <... openat resumed>) = 3 [pid 5178] <... mmap resumed>) = 0x7f1ceae00000 [pid 5177] <... futex resumed>) = 0 [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5177] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5180] <... rseq resumed>) = 0 [pid 5179] write(3, "1000", 4 [pid 5177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5176] <... clone3 resumed> => {parent_tid=[5180]}, 88) = 5180 [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5180] set_robust_list(0x7f1cf33879a0, 24 [pid 5179] <... write resumed>) = 4 [pid 5177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] close(3 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5179] <... close resumed>) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5177] <... mmap resumed>) = 0x7f1cf3367000 [pid 5174] sendfile(3, 4, NULL, 4 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5180] memfd_create("syzkaller", 0 [pid 5179] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5177] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5174] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... memfd_create resumed>) = 3 [pid 5179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5177] <... mprotect resumed>) = 0 [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5180] <... mmap resumed>) = 0x7f1ceae00000 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... write resumed>) = 1048576 [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5174] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] munmap(0x7f1ceae00000, 138412032 [pid 5173] <... futex resumed>) = 0 [pid 5179] <... mmap resumed>) = 0x7f1cf3367000 [pid 5178] <... munmap resumed>) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5179] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5174] <... mmap resumed>) = 0x20000000 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] <... mprotect resumed>) = 0 [pid 5178] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5181 attached [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5178] close(3 [pid 5174] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5182 attached [pid 5181] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5173] <... futex resumed>) = 0 [pid 5182] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5181] <... rseq resumed>) = 0 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... rseq resumed>) = 0 [pid 5181] set_robust_list(0x7f1cf33879a0, 24 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... clone3 resumed> => {parent_tid=[5181]}, 88) = 5181 [pid 5182] set_robust_list(0x7f1cf33879a0, 24 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5179] <... clone3 resumed> => {parent_tid=[5182]}, 88) = 5182 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] socketpair(AF_UNIX, 0, 0, [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] memfd_create("syzkaller", 0 [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5182] memfd_create("syzkaller", 0 [pid 5179] <... futex resumed>) = 0 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... memfd_create resumed>) = 3 [pid 5181] <... memfd_create resumed>) = 3 [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5174] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5173] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... mmap resumed>) = 0x7f1ceae00000 [pid 5181] <... mmap resumed>) = 0x7f1ceae00000 [pid 5174] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5173] <... futex resumed>) = 0 [pid 5173] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5180] <... write resumed>) = 1048576 [pid 5178] <... close resumed>) = 0 [pid 5174] memfd_create("syzkaller", 0 [pid 5180] munmap(0x7f1ceae00000, 138412032 [pid 5181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5180] <... munmap resumed>) = 0 [pid 5174] <... memfd_create resumed>) = 5 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5174] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5174] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5174] <... futex resumed>) = 1 [pid 5174] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] close(3 [pid 5173] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5173] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 5173] exit_group(0 [pid 5174] <... futex resumed>) = ? [pid 5173] <... exit_group resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5175] <... futex resumed>) = 0 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... write resumed>) = 1048576 [pid 5180] <... close resumed>) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 1 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5178] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] <... open resumed>) = 3 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000./strace-static-x86_64: Process 5183 attached ) = 4 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5183 [pid 5183] set_robust_list(0x555555750760, 24 [pid 5181] munmap(0x7f1ceae00000, 138412032 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5183] <... prctl resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] <... futex resumed>) = 0 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] setpgid(0, 0 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5183] <... setpgid resumed>) = 0 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] ftruncate(3, 5 [pid 5176] <... futex resumed>) = 0 [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5178] <... ftruncate resumed>) = 0 [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... openat resumed>) = 3 [pid 5181] <... munmap resumed>) = 0 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5180] <... open resumed>) = 3 [pid 5178] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5183] write(3, "1000", 4 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... write resumed>) = 4 [pid 5181] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5180] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5183] close(3 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] sendfile(3, 4, NULL, 4 [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... close resumed>) = 0 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] close(3 [pid 5180] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... futex resumed>) = 0 [pid 5180] <... open resumed>) = 4 [pid 5178] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5183] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5180] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5183] <... mmap resumed>) = 0x7f1cf3367000 [pid 5180] ftruncate(3, 5 [pid 5178] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5180] <... ftruncate resumed>) = 0 [pid 5178] <... mmap resumed>) = 0x20000000 [pid 5183] <... mprotect resumed>) = 0 [pid 5183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5184 attached [pid 5180] sendfile(3, 4, NULL, 4 [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5183] <... clone3 resumed> => {parent_tid=[5184]}, 88) = 5184 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5175] <... futex resumed>) = 0 [pid 5184] <... rseq resumed>) = 0 [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] socketpair(AF_UNIX, 0, 0, [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] set_robust_list(0x7f1cf33879a0, 24 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5178] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] <... futex resumed>) = 0 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5180] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5184] memfd_create("syzkaller", 0 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5184] <... memfd_create resumed>) = 3 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5180] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5178] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5184] <... mmap resumed>) = 0x7f1ceae00000 [pid 5180] <... mmap resumed>) = 0x20000000 [pid 5178] memfd_create("syzkaller", 0 [pid 5184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5182] <... write resumed>) = 1048576 [pid 5181] <... close resumed>) = 0 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... memfd_create resumed>) = 5 [pid 5182] munmap(0x7f1ceae00000, 138412032 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 1 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5176] <... futex resumed>) = 0 [pid 5182] <... munmap resumed>) = 0 [pid 5181] <... futex resumed>) = 1 [pid 5180] socketpair(AF_UNIX, 0, 0, [pid 5177] <... futex resumed>) = 0 [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... mmap resumed>) = 0x7f1ceae00000 [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5181] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5180] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5178] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5177] <... futex resumed>) = 0 [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5181] <... open resumed>) = 3 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5182] close(3 [pid 5181] <... futex resumed>) = 0 [pid 5180] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5178] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5181] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5180] memfd_create("syzkaller", 0 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... write resumed>) = 156 [pid 5184] <... write resumed>) = 1048576 [pid 5181] <... open resumed>) = 4 [pid 5180] <... memfd_create resumed>) = 5 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5175] exit_group(0 [pid 5184] munmap(0x7f1ceae00000, 138412032 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5178] <... futex resumed>) = ? [pid 5175] <... exit_group resumed>) = ? [pid 5181] <... futex resumed>) = 1 [pid 5180] <... mmap resumed>) = 0x7f1ceae00000 [pid 5181] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5177] <... futex resumed>) = 0 [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] ftruncate(3, 5 [pid 5180] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5181] <... ftruncate resumed>) = 0 [pid 5184] <... munmap resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] <... futex resumed>) = 0 [pid 5176] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5181] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... write resumed>) = 156 [pid 5184] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5181] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] exit_group(0 [pid 5177] <... futex resumed>) = 0 [pid 5184] close(3 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... futex resumed>) = ? [pid 5178] +++ exited with 0 +++ [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] <... exit_group resumed>) = ? [pid 5175] +++ exited with 0 +++ [pid 5181] sendfile(3, 4, NULL, 4 [pid 5180] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5181] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... close resumed>) = 0 [pid 5182] <... close resumed>) = 0 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] +++ exited with 0 +++ [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5181] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... futex resumed>) = 0 [pid 5182] <... open resumed>) = 3 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5181] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... open resumed>) = 3 [pid 5182] <... futex resumed>) = 1 [pid 5181] <... mmap resumed>) = 0x20000000 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... futex resumed>) = 0 [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... futex resumed>) = 0 [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 0 [pid 5181] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5186 attached [pid 5184] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5185 attached [pid 5186] set_robust_list(0x555555750760, 24 [pid 5184] <... open resumed>) = 4 [pid 5182] <... open resumed>) = 4 [pid 5181] socketpair(AF_UNIX, 0, 0, [pid 5177] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5186 [pid 5185] set_robust_list(0x555555750760, 24 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5185 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] <... prctl resumed>) = 0 [pid 5184] ftruncate(3, 5 [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... futex resumed>) = 0 [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... prctl resumed>) = 0 [pid 5186] setpgid(0, 0 [pid 5184] <... ftruncate resumed>) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5179] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5185] setpgid(0, 0 [pid 5186] <... setpgid resumed>) = 0 [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] ftruncate(3, 5 [pid 5181] memfd_create("syzkaller", 0 [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5185] <... setpgid resumed>) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5184] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... ftruncate resumed>) = 0 [pid 5184] sendfile(3, 4, NULL, 4 [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5181] <... memfd_create resumed>) = 5 [pid 5179] <... futex resumed>) = 0 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 [pid 5185] <... openat resumed>) = 3 [pid 5184] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5182] sendfile(3, 4, NULL, 4 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] write(3, "1000", 4 [pid 5186] <... openat resumed>) = 3 [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5181] <... mmap resumed>) = 0x7f1ceae00000 [pid 5185] <... write resumed>) = 4 [pid 5186] write(3, "1000", 4 [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] munmap(0x7f1ceae00000, 138412032 [pid 5185] close(3 [pid 5186] <... write resumed>) = 4 [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5185] <... close resumed>) = 0 [pid 5186] close(3 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... munmap resumed>) = 0 [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... close resumed>) = 0 [pid 5184] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 [pid 5181] close(5 [pid 5185] <... futex resumed>) = 0 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... mmap resumed>) = 0x20000000 [pid 5182] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5186] <... futex resumed>) = 0 [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... mmap resumed>) = 0x20000000 [pid 5181] <... close resumed>) = 0 [pid 5185] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5186] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5181] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5184] socketpair(AF_UNIX, 0, 0, [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5185] <... mmap resumed>) = 0x7f1cf3367000 [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 [pid 5177] <... write resumed>) = 156 [pid 5185] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5182] socketpair(AF_UNIX, 0, 0, [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] exit_group(0 [pid 5185] <... mprotect resumed>) = 0 [pid 5186] <... mmap resumed>) = 0x7f1cf3367000 [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5181] <... futex resumed>) = ? [pid 5177] <... exit_group resumed>) = ? [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] +++ exited with 0 +++ [pid 5186] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5177] +++ exited with 0 +++ [pid 5186] <... mprotect resumed>) = 0 [pid 5185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5184] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5183] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5187 attached [pid 5186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5184] memfd_create("syzkaller", 0 [pid 5182] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5179] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5187] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5185] <... clone3 resumed> => {parent_tid=[5187]}, 88) = 5187 [pid 5186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5184] <... memfd_create resumed>) = 5 [pid 5182] memfd_create("syzkaller", 0 [pid 5187] <... rseq resumed>) = 0 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5182] <... memfd_create resumed>) = 5 [pid 5187] set_robust_list(0x7f1cf33879a0, 24 [pid 5184] <... mmap resumed>) = 0x7f1ceae00000 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5188 attached [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... mmap resumed>) = 0x7f1ceae00000 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5188] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5186] <... clone3 resumed> => {parent_tid=[5188]}, 88) = 5188 [pid 5184] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5182] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5188] <... rseq resumed>) = 0 [pid 5187] memfd_create("syzkaller", 0 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5186] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] set_robust_list(0x7f1cf33879a0, 24 [pid 5187] <... memfd_create resumed>) = 3 [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5182] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5186] <... futex resumed>) = 0 [pid 5183] <... write resumed>) = 156 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] <... mmap resumed>) = 0x7f1ceae00000 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5183] exit_group(0 [pid 5179] <... write resumed>) = 156 ./strace-static-x86_64: Process 5189 attached [pid 5188] memfd_create("syzkaller", 0 [pid 5187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5184] <... futex resumed>) = ? [pid 5183] <... exit_group resumed>) = ? [pid 5179] exit_group(0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5189 [pid 5189] set_robust_list(0x555555750760, 24 [pid 5188] <... memfd_create resumed>) = 3 [pid 5184] +++ exited with 0 +++ [pid 5183] +++ exited with 0 +++ [pid 5182] <... futex resumed>) = ? [pid 5179] <... exit_group resumed>) = ? [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] <... mmap resumed>) = 0x7f1ceae00000 [pid 5182] +++ exited with 0 +++ [pid 5179] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5189] <... prctl resumed>) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... restart_syscall resumed>) = 0 [pid 5189] <... openat resumed>) = 3 [pid 5189] write(3, "1000", 4 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5189] <... write resumed>) = 4 [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5189] close(3 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5189] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5189] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 5191 attached [pid 5189] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5187] munmap(0x7f1ceae00000, 138412032 [pid 5191] set_robust_list(0x555555750760, 24 [pid 5189] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5191 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5190 attached [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] <... mmap resumed>) = 0x7f1cf3367000 [pid 5190] set_robust_list(0x555555750760, 24 [pid 5191] <... prctl resumed>) = 0 [pid 5189] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5187] <... munmap resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5190 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5191] setpgid(0, 0 [pid 5189] <... mprotect resumed>) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5191] <... setpgid resumed>) = 0 [pid 5189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5188] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5190] <... prctl resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5187] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5192 attached [pid 5190] setpgid(0, 0 [pid 5191] <... openat resumed>) = 3 [pid 5187] close(3 [pid 5192] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5190] <... setpgid resumed>) = 0 [pid 5192] <... rseq resumed>) = 0 [pid 5191] write(3, "1000", 4 [pid 5189] <... clone3 resumed> => {parent_tid=[5192]}, 88) = 5192 [pid 5192] set_robust_list(0x7f1cf33879a0, 24 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... set_robust_list resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5191] <... write resumed>) = 4 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] <... openat resumed>) = 3 [pid 5191] close(3 [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] write(3, "1000", 4 [pid 5191] <... close resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5192] memfd_create("syzkaller", 0 [pid 5191] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5190] <... write resumed>) = 4 [pid 5191] <... futex resumed>) = 0 [pid 5192] <... memfd_create resumed>) = 3 [pid 5190] close(3 [pid 5191] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5190] <... close resumed>) = 0 [pid 5191] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5188] <... write resumed>) = 1048576 [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5190] <... futex resumed>) = 0 [pid 5191] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5190] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5191] <... mprotect resumed>) = 0 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5190] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5190] <... mprotect resumed>) = 0 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5188] munmap(0x7f1ceae00000, 138412032 [pid 5187] <... close resumed>) = 0 [pid 5192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 5193 attached [pid 5193] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053) = 0 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] set_robust_list(0x7f1cf33879a0, 24 [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5191] <... clone3 resumed> => {parent_tid=[5193]}, 88) = 5193 [pid 5188] <... munmap resumed>) = 0 [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... futex resumed>) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] <... write resumed>) = 1048576 [pid 5190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] munmap(0x7f1ceae00000, 138412032 [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5187] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... munmap resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5188] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5187] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5194 attached [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] close(3 [pid 5187] <... open resumed>) = 3 [pid 5194] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5191] <... futex resumed>) = 0 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... rseq resumed>) = 0 [pid 5192] close(3 [pid 5187] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5194] set_robust_list(0x7f1cf33879a0, 24 [pid 5193] memfd_create("syzkaller", 0 [pid 5190] <... clone3 resumed> => {parent_tid=[5194]}, 88) = 5194 [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... set_robust_list resumed>) = 0 [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5194] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5187] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... open resumed>) = 4 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] <... close resumed>) = 0 [pid 5193] <... memfd_create resumed>) = 3 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] <... futex resumed>) = 0 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] ftruncate(3, 5 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5193] <... mmap resumed>) = 0x7f1ceae00000 [pid 5190] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... ftruncate resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5194] memfd_create("syzkaller", 0 [pid 5192] <... close resumed>) = 0 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5188] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... memfd_create resumed>) = 3 [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5188] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 0 [pid 5194] <... mmap resumed>) = 0x7f1ceae00000 [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... open resumed>) = 3 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] <... futex resumed>) = 0 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] sendfile(3, 4, NULL, 4 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5192] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... futex resumed>) = 0 [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... open resumed>) = 3 [pid 5188] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5187] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5186] <... futex resumed>) = 0 [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... open resumed>) = 4 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] ftruncate(3, 5 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5192] <... open resumed>) = 4 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... ftruncate resumed>) = 0 [pid 5187] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... mmap resumed>) = 0x20000000 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] sendfile(3, 4, NULL, 4 [pid 5187] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5193] <... write resumed>) = 1048576 [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5193] munmap(0x7f1ceae00000, 138412032 [pid 5187] socketpair(AF_UNIX, 0, 0, [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] ftruncate(3, 5 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5187] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5185] <... futex resumed>) = 0 [pid 5192] <... ftruncate resumed>) = 0 [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] <... futex resumed>) = 0 [pid 5193] <... munmap resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5188] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5187] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5185] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5193] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] sendfile(3, 4, NULL, 4 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5187] memfd_create("syzkaller", 0 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] close(3 [pid 5192] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5188] <... mmap resumed>) = 0x20000000 [pid 5187] <... memfd_create resumed>) = 5 [pid 5194] <... write resumed>) = 1048576 [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] munmap(0x7f1ceae00000, 138412032 [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5194] <... munmap resumed>) = 0 [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... mmap resumed>) = 0x7f1ceae00000 [pid 5186] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5192] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] socketpair(AF_UNIX, 0, 0, [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5192] <... mmap resumed>) = 0x20000000 [pid 5187] munmap(0x7f1ceae00000, 138412032 [pid 5186] <... futex resumed>) = 0 [pid 5188] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... munmap resumed>) = 0 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] close(5 [pid 5194] close(3 [pid 5192] socketpair(AF_UNIX, 0, 0, [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5187] <... close resumed>) = 0 [pid 5192] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5186] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5186] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5192] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5189] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5188] memfd_create("syzkaller", 0 [pid 5187] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] memfd_create("syzkaller", 0) = 5 [pid 5188] <... memfd_create resumed>) = 5 [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5187] <... futex resumed>) = 1 [pid 5192] <... mmap resumed>) = 0x7f1ceae00000 [pid 5187] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULLwrite to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5185] <... futex resumed>) = 0 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5188] <... mmap resumed>) = 0x7f1ceae00000 [pid 5185] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5192] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5185] <... write resumed>) = 156 [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5185] exit_group(0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5192] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5187] <... futex resumed>) = ? [pid 5185] <... exit_group resumed>) = ? [pid 5189] <... write resumed>) = 156 [pid 5187] +++ exited with 0 +++ [pid 5193] <... close resumed>) = 0 [pid 5189] exit_group(0 [pid 5188] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] +++ exited with 0 +++ [pid 5192] <... futex resumed>) = ? [pid 5189] <... exit_group resumed>) = ? [pid 5192] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5188] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... close resumed>) = 0 [pid 5193] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5186] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5186] <... write resumed>) = 156 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] exit_group(0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5194] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5193] <... open resumed>) = 3 [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = ? [pid 5186] <... exit_group resumed>) = ? [pid 5069] <... restart_syscall resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5194] <... open resumed>) = 3 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] +++ exited with 0 +++ [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5186] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5195 attached [pid 5194] <... open resumed>) = 4 [pid 5193] <... open resumed>) = 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 5196 attached [pid 5195] set_robust_list(0x555555750760, 24 [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] set_robust_list(0x555555750760, 24 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5196 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5195 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] <... prctl resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5196] <... prctl resumed>) = 0 [pid 5195] setpgid(0, 0 [pid 5194] ftruncate(3, 5 [pid 5193] ftruncate(3, 5 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] setpgid(0, 0 [pid 5195] <... setpgid resumed>) = 0 [pid 5194] <... ftruncate resumed>) = 0 [pid 5193] <... ftruncate resumed>) = 0 [pid 5196] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5197 attached [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] set_robust_list(0x555555750760, 24 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... openat resumed>) = 3 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5197 [pid 5197] <... set_robust_list resumed>) = 0 [pid 5195] write(3, "1000", 4 [pid 5194] sendfile(3, 4, NULL, 4 [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5196] <... openat resumed>) = 3 [pid 5195] <... write resumed>) = 4 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5197] <... prctl resumed>) = 0 [pid 5195] close(3 [pid 5193] sendfile(3, 4, NULL, 4 [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] setpgid(0, 0 [pid 5196] write(3, "1000", 4 [pid 5195] <... close resumed>) = 0 [pid 5194] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... setpgid resumed>) = 0 [pid 5196] <... write resumed>) = 4 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] close(3 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... close resumed>) = 0 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5194] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5193] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5197] <... openat resumed>) = 3 [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5194] <... mmap resumed>) = 0x20000000 [pid 5193] <... mmap resumed>) = 0x20000000 [pid 5190] <... futex resumed>) = 0 [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] write(3, "1000", 4 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... write resumed>) = 4 [pid 5196] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 1 [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5197] close(3 [pid 5196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5195] <... mmap resumed>) = 0x7f1cf3367000 [pid 5194] socketpair(AF_UNIX, 0, 0, [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... close resumed>) = 0 [pid 5195] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5194] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5195] <... mprotect resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... futex resumed>) = 1 [pid 5196] <... mmap resumed>) = 0x7f1cf3367000 [pid 5193] socketpair(AF_UNIX, 0, 0, [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... futex resumed>) = 0 [pid 5196] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5197] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5196] <... mprotect resumed>) = 0 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 0 [pid 5197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5194] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... futex resumed>) = 1 [pid 5190] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = 0 [pid 5191] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5195] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5194] memfd_create("syzkaller", 0 [pid 5190] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5198 attached [pid 5197] <... mmap resumed>) = 0x7f1cf3367000 [pid 5196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... memfd_create resumed>) = 5 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5198] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5197] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5193] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5198] <... rseq resumed>) = 0 [pid 5197] <... mprotect resumed>) = 0 [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... mmap resumed>) = 0x7f1ceae00000 [pid 5193] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5199 attached [pid 5198] set_robust_list(0x7f1cf33879a0, 24 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] <... futex resumed>) = 0 [pid 5194] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5193] <... memfd_create resumed>) = 5 [pid 5199] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5198] <... set_robust_list resumed>) = 0 [pid 5196] <... clone3 resumed> => {parent_tid=[5199]}, 88) = 5199 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] <... rseq resumed>) = 0 [pid 5194] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mmap resumed>) = 0x7f1ceae00000 [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5199] set_robust_list(0x7f1cf33879a0, 24 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] memfd_create("syzkaller", 0 [pid 5197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5190] <... write resumed>) = 156 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5190] exit_group(0 [pid 5193] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- ./strace-static-x86_64: Process 5200 attached [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] <... memfd_create resumed>) = 3 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = ? [pid 5190] <... exit_group resumed>) = ? [pid 5200] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5199] memfd_create("syzkaller", 0 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5196] <... futex resumed>) = 0 [pid 5194] +++ exited with 0 +++ [pid 5193] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... rseq resumed>) = 0 [pid 5199] <... memfd_create resumed>) = 3 [pid 5198] <... mmap resumed>) = 0x7f1ceae00000 [pid 5197] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5193] <... futex resumed>) = 1 [pid 5190] +++ exited with 0 +++ [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5200] set_robust_list(0x7f1cf33879a0, 24 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x7f1ceae00000 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] <... write resumed>) = 156 [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] exit_group(0 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... futex resumed>) = ? [pid 5191] <... exit_group resumed>) = ? [pid 5200] memfd_create("syzkaller", 0 [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] +++ exited with 0 +++ [pid 5191] +++ exited with 0 +++ [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5200] <... memfd_create resumed>) = 3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5200] <... mmap resumed>) = 0x7f1ceae00000 [pid 5197] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576./strace-static-x86_64: Process 5202 attached ./strace-static-x86_64: Process 5201 attached [pid 5200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5201 [pid 5201] set_robust_list(0x555555750760, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5202 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5202] set_robust_list(0x555555750760, 24) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] <... prctl resumed>) = 0 [pid 5201] <... prctl resumed>) = 0 [pid 5200] <... write resumed>) = 1048576 [pid 5202] setpgid(0, 0 [pid 5201] setpgid(0, 0 [pid 5202] <... setpgid resumed>) = 0 [pid 5201] <... setpgid resumed>) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] <... openat resumed>) = 3 [pid 5201] <... openat resumed>) = 3 [pid 5202] write(3, "1000", 4) = 4 [pid 5200] munmap(0x7f1ceae00000, 138412032 [pid 5202] close(3 [pid 5201] write(3, "1000", 4 [pid 5200] <... munmap resumed>) = 0 [pid 5198] <... write resumed>) = 1048576 [pid 5202] <... close resumed>) = 0 [pid 5201] <... write resumed>) = 4 [pid 5200] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5198] munmap(0x7f1ceae00000, 138412032 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] close(3 [pid 5200] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5199] <... write resumed>) = 1048576 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... close resumed>) = 0 [pid 5200] close(3 [pid 5198] <... munmap resumed>) = 0 [pid 5202] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5201] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5199] munmap(0x7f1ceae00000, 138412032 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5201] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5199] <... munmap resumed>) = 0 [pid 5198] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5199] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5198] close(3 [pid 5202] <... mmap resumed>) = 0x7f1cf3367000 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] close(3 [pid 5202] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5201] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5201] <... mprotect resumed>) = 0 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5203 attached [], 8) = 0 [pid 5203] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5202] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5200] <... close resumed>) = 0 [pid 5199] <... close resumed>) = 0 [pid 5203] <... rseq resumed>) = 0 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] set_robust_list(0x7f1cf33879a0, 24 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... clone3 resumed> => {parent_tid=[5204]}, 88) = 5204 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5199] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] <... rseq resumed>) = 0 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5200] <... open resumed>) = 3 [pid 5199] <... open resumed>) = 3 [pid 5204] set_robust_list(0x7f1cf33879a0, 24 [pid 5203] memfd_create("syzkaller", 0 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... memfd_create resumed>) = 3 [pid 5201] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] <... futex resumed>) = 1 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] <... mmap resumed>) = 0x7f1ceae00000 [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5198] <... close resumed>) = 0 [pid 5204] memfd_create("syzkaller", 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... memfd_create resumed>) = 3 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5199] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5200] <... open resumed>) = 4 [pid 5199] <... open resumed>) = 4 [pid 5198] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5204] <... mmap resumed>) = 0x7f1ceae00000 [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5200] <... futex resumed>) = 1 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... futex resumed>) = 0 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] ftruncate(3, 5 [pid 5199] <... futex resumed>) = 1 [pid 5198] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5200] <... ftruncate resumed>) = 0 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... open resumed>) = 3 [pid 5196] <... futex resumed>) = 0 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5198] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] <... futex resumed>) = 0 [pid 5198] <... open resumed>) = 4 [pid 5196] <... futex resumed>) = 1 [pid 5200] <... futex resumed>) = 1 [pid 5199] ftruncate(3, 5 [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... ftruncate resumed>) = 0 [pid 5198] <... futex resumed>) = 1 [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] ftruncate(3, 5 [pid 5197] <... futex resumed>) = 0 [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] sendfile(3, 4, NULL, 4 [pid 5199] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... ftruncate resumed>) = 0 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5199] sendfile(3, 4, NULL, 4 [pid 5198] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5198] sendfile(3, 4, NULL, 4 [pid 5195] <... futex resumed>) = 0 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 1 [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... futex resumed>) = 1 [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5199] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x20000000 [pid 5198] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... mmap resumed>) = 0x20000000 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 1 [pid 5198] <... mmap resumed>) = 0x20000000 [pid 5196] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 1 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] socketpair(AF_UNIX, 0, 0, [pid 5198] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5199] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] socketpair(AF_UNIX, 0, 0, 0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 1 [pid 5198] socketpair(AF_UNIX, 0, 0, [pid 5196] <... futex resumed>) = 0 [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... futex resumed>) = 1 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5203] <... write resumed>) = 1048576 [pid 5200] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5199] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] memfd_create("syzkaller", 0 [pid 5199] memfd_create("syzkaller", 0 [pid 5198] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5197] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5203] munmap(0x7f1ceae00000, 138412032 [pid 5200] <... memfd_create resumed>) = 5 [pid 5199] <... memfd_create resumed>) = 5 [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x7f1ceae00000 [pid 5198] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5195] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5199] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5198] memfd_create("syzkaller", 0 [pid 5200] <... mmap resumed>) = 0x7f1ceae00000 [pid 5203] <... munmap resumed>) = 0 [pid 5203] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5200] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5204] <... write resumed>) = 1048576 [pid 5199] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... memfd_create resumed>) = 5 [pid 5204] munmap(0x7f1ceae00000, 138412032 [pid 5203] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5196] <... futex resumed>) = 0 [pid 5204] <... munmap resumed>) = 0 [pid 5203] close(3 [pid 5200] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5199] <... futex resumed>) = 1 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5196] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5204] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5200] <... futex resumed>) = 1 [pid 5199] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] <... mmap resumed>) = 0x7f1ceae00000 [pid 5197] <... futex resumed>) = 0 [pid 5196] <... write resumed>) = 156 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5204] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5200] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5198] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5197] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5196] exit_group(0 [pid 5204] close(3 [pid 5199] <... futex resumed>) = ? [pid 5198] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... write resumed>) = 156 [pid 5196] <... exit_group resumed>) = ? [pid 5199] +++ exited with 0 +++ [pid 5198] <... futex resumed>) = 1 [pid 5197] exit_group(0 [pid 5196] +++ exited with 0 +++ [pid 5195] <... futex resumed>) = 0 [pid 5198] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... exit_group resumed>) = ? [pid 5195] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5200] <... futex resumed>) = ? [pid 5069] restart_syscall(<... resuming interrupted clone ...>write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5195] <... write resumed>) = 156 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5195] exit_group(0 [pid 5198] <... futex resumed>) = ? [pid 5195] <... exit_group resumed>) = ? [pid 5200] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5203] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5204] <... close resumed>) = 0 [pid 5203] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... open resumed>) = 3 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5204] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5205 attached [pid 5204] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] +++ exited with 0 +++ [pid 5195] +++ exited with 0 +++ ./strace-static-x86_64: Process 5206 attached [pid 5205] set_robust_list(0x555555750760, 24 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5205 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5206] set_robust_list(0x555555750760, 24 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5203] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5206 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] <... open resumed>) = 3 [pid 5206] <... prctl resumed>) = 0 [pid 5205] <... prctl resumed>) = 0 [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... open resumed>) = 4 [pid 5206] setpgid(0, 0 [pid 5205] setpgid(0, 0 [pid 5204] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5206] <... setpgid resumed>) = 0 [pid 5205] <... setpgid resumed>) = 0 [pid 5204] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] <... open resumed>) = 4 [pid 5201] <... futex resumed>) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5206] <... openat resumed>) = 3 [pid 5205] <... openat resumed>) = 3 [pid 5204] <... futex resumed>) = 0 [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] write(3, "1000", 4 [pid 5205] write(3, "1000", 4 [pid 5204] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5206] <... write resumed>) = 4 [pid 5205] <... write resumed>) = 4 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5206] close(3 [pid 5205] close(3 [pid 5204] ftruncate(3, 5 [pid 5203] ftruncate(3, 5 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... close resumed>) = 0 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5206] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5203] <... ftruncate resumed>) = 0 [pid 5206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... ftruncate resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5206] <... mmap resumed>) = 0x7f1cf3367000 [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5207 attached [pid 5206] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5205] <... futex resumed>) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5207] set_robust_list(0x555555750760, 24 [pid 5206] <... mprotect resumed>) = 0 [pid 5205] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5204] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5207 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5204] sendfile(3, 4, NULL, 4 [pid 5203] sendfile(3, 4, NULL, 4 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] <... prctl resumed>) = 0 [pid 5206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5207] setpgid(0, 0 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5208 attached [pid 5207] <... setpgid resumed>) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5203] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5205] <... mmap resumed>) = 0x7f1cf3367000 [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5204] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5207] <... openat resumed>) = 3 [pid 5205] <... mprotect resumed>) = 0 [pid 5204] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5204] <... mmap resumed>) = 0x20000000 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5208] <... rseq resumed>) = 0 [pid 5207] write(3, "1000", 4 [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... futex resumed>) = 0 [pid 5205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5208] set_robust_list(0x7f1cf33879a0, 24 [pid 5203] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5207] <... write resumed>) = 4 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5207] close(3 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5208] rt_sigprocmask(SIG_SETMASK, [], [pid 5207] <... close resumed>) = 0 [pid 5203] <... mmap resumed>) = 0x20000000 ./strace-static-x86_64: Process 5209 attached [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... clone3 resumed> => {parent_tid=[5209]}, 88) = 5209 [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5207] <... futex resumed>) = 0 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] <... rseq resumed>) = 0 [pid 5208] memfd_create("syzkaller", 0 [pid 5207] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 0 [pid 5209] set_robust_list(0x7f1cf33879a0, 24 [pid 5207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5204] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] <... memfd_create resumed>) = 3 [pid 5205] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] memfd_create("syzkaller", 0) = 3 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] socketpair(AF_UNIX, 0, 0, [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... mmap resumed>) = 0x7f1ceae00000 [pid 5203] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5202] <... futex resumed>) = 0 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] socketpair(AF_UNIX, 0, 0, [pid 5209] <... mmap resumed>) = 0x7f1ceae00000 [pid 5207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 0 [pid 5202] <... futex resumed>) = 0 [pid 5202] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5203] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5207] <... mmap resumed>) = 0x7f1cf3367000 [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] memfd_create("syzkaller", 0 [pid 5209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5207] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5203] <... memfd_create resumed>) = 5 [pid 5207] <... mprotect resumed>) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5201] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5204] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5209] <... write resumed>) = 1048576 [pid 5204] memfd_create("syzkaller", 0 [pid 5203] <... mmap resumed>) = 0x7f1ceae00000 ./strace-static-x86_64: Process 5210 attached [pid 5209] munmap(0x7f1ceae00000, 138412032 [pid 5207] <... clone3 resumed> => {parent_tid=[5210]}, 88) = 5210 [pid 5204] <... memfd_create resumed>) = 5 [pid 5203] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5210] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5209] <... munmap resumed>) = 0 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5203] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... rseq resumed>) = 0 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] <... futex resumed>) = 1 [pid 5210] set_robust_list(0x7f1cf33879a0, 24 [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... mmap resumed>) = 0x7f1ceae00000 [pid 5203] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... futex resumed>) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5208] <... write resumed>) = 1048576 [pid 5207] <... futex resumed>) = 0 [pid 5204] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5202] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5208] munmap(0x7f1ceae00000, 138412032 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... write resumed>) = 156 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] close(3 [pid 5204] <... futex resumed>) = 1 [pid 5202] exit_group(0 [pid 5210] memfd_create("syzkaller", 0 [pid 5208] <... munmap resumed>) = 0 [pid 5204] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = ? [pid 5202] <... exit_group resumed>) = ? [pid 5201] <... futex resumed>) = 0 [pid 5203] +++ exited with 0 +++ write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5201] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5208] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5201] <... write resumed>) = 156 [pid 5210] <... memfd_create resumed>) = 3 [pid 5208] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5208] close(3 [pid 5201] exit_group(0 [pid 5204] <... futex resumed>) = ? [pid 5201] <... exit_group resumed>) = ? [pid 5204] +++ exited with 0 +++ [pid 5210] <... mmap resumed>) = 0x7f1ceae00000 [pid 5201] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5209] <... close resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5208] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5212 attached ./strace-static-x86_64: Process 5211 attached [pid 5210] <... write resumed>) = 1048576 [pid 5209] <... futex resumed>) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5212] set_robust_list(0x555555750760, 24 [pid 5211] set_robust_list(0x555555750760, 24 [pid 5210] munmap(0x7f1ceae00000, 138412032 [pid 5209] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5212 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5211 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5209] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] <... open resumed>) = 3 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5212] <... prctl resumed>) = 0 [pid 5209] <... open resumed>) = 3 [pid 5211] <... prctl resumed>) = 0 [pid 5212] setpgid(0, 0 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... setpgid resumed>) = 0 [pid 5211] setpgid(0, 0 [pid 5210] <... munmap resumed>) = 0 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5211] <... setpgid resumed>) = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5209] <... futex resumed>) = 1 [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5209] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] write(3, "1000", 4 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5210] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 0 [pid 5212] <... write resumed>) = 4 [pid 5211] <... openat resumed>) = 3 [pid 5210] close(3 [pid 5209] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5208] <... open resumed>) = 4 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] close(3 [pid 5211] write(3, "1000", 4 [pid 5209] <... open resumed>) = 4 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... close resumed>) = 0 [pid 5211] <... write resumed>) = 4 [pid 5211] close(3 [pid 5212] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... close resumed>) = 0 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5211] <... close resumed>) = 0 [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 1 [pid 5208] ftruncate(3, 5 [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5212] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5211] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = 1 [pid 5209] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... ftruncate resumed>) = 0 [pid 5212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5210] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 0 [pid 5212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5211] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] ftruncate(3, 5 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5210] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5209] <... ftruncate resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... futex resumed>) = 0 [pid 5212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5210] <... open resumed>) = 3 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... mmap resumed>) = 0x7f1cf3367000 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5212] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5212] <... mprotect resumed>) = 0 [pid 5211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 1 [pid 5208] sendfile(3, 4, NULL, 4 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 0 [pid 5212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5211] <... mmap resumed>) = 0x7f1cf3367000 [pid 5210] <... futex resumed>) = 1 [pid 5209] sendfile(3, 4, NULL, 4 [pid 5207] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5211] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5210] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5211] <... mprotect resumed>) = 0 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5207] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5212] <... clone3 resumed> => {parent_tid=[5213]}, 88) = 5213 [pid 5210] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... futex resumed>) = 1 [pid 5206] <... futex resumed>) = 0 [pid 5213] <... rseq resumed>) = 0 [pid 5212] rt_sigprocmask(SIG_SETMASK, [], [pid 5211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5210] <... open resumed>) = 4 [pid 5209] <... futex resumed>) = 1 [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5213] set_robust_list(0x7f1cf33879a0, 24 [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5208] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5212] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5209] <... mmap resumed>) = 0x20000000 [pid 5207] <... futex resumed>) = 0 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5214 attached [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5208] <... mmap resumed>) = 0x20000000 [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5213] memfd_create("syzkaller", 0 [pid 5210] ftruncate(3, 5 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5211] <... clone3 resumed> => {parent_tid=[5214]}, 88) = 5214 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... rseq resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... futex resumed>) = 0 [pid 5214] set_robust_list(0x7f1cf33879a0, 24 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] <... ftruncate resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5213] <... memfd_create resumed>) = 3 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] socketpair(AF_UNIX, 0, 0, [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5208] socketpair(AF_UNIX, 0, 0, [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... futex resumed>) = 0 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5207] <... futex resumed>) = 0 [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] memfd_create("syzkaller", 0 [pid 5209] <... futex resumed>) = 0 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... memfd_create resumed>) = 3 [pid 5213] <... mmap resumed>) = 0x7f1ceae00000 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5210] sendfile(3, 4, NULL, 4 [pid 5209] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = 0 [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... mmap resumed>) = 0x7f1ceae00000 [pid 5209] <... futex resumed>) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 0 [pid 5205] <... futex resumed>) = 1 [pid 5210] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5209] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5208] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5206] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5205] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5207] <... futex resumed>) = 0 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] memfd_create("syzkaller", 0 [pid 5209] memfd_create("syzkaller", 0 [pid 5208] <... memfd_create resumed>) = 5 [pid 5209] <... memfd_create resumed>) = 5 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5208] <... mmap resumed>) = 0x7f1ceae00000 [pid 5209] <... mmap resumed>) = 0x7f1ceae00000 [pid 5208] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5209] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5209] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5208] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5206] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5210] <... mmap resumed>) = 0x20000000 [pid 5209] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5205] <... futex resumed>) = 0 [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... write resumed>) = 156 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5205] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5210] <... futex resumed>) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5206] exit_group(0 [pid 5205] <... write resumed>) = 156 [pid 5210] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = ? [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... exit_group resumed>) = ? [pid 5205] exit_group(0 [pid 5213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = ? [pid 5208] +++ exited with 0 +++ [pid 5207] <... futex resumed>) = 0 [pid 5206] +++ exited with 0 +++ [pid 5205] <... exit_group resumed>) = ? [pid 5214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5209] +++ exited with 0 +++ [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5210] socketpair(AF_UNIX, 0, 0, 0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5205] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5210] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5216 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5215 [pid 5207] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5216 attached ./strace-static-x86_64: Process 5215 attached [pid 5215] set_robust_list(0x555555750760, 24) = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] set_robust_list(0x555555750760, 24) = 0 [pid 5215] <... prctl resumed>) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5215] setpgid(0, 0) = 0 [pid 5216] setpgid(0, 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... write resumed>) = 1048576 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5214] munmap(0x7f1ceae00000, 138412032 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] write(3, "1000", 4 [pid 5214] <... munmap resumed>) = 0 [pid 5215] <... write resumed>) = 4 [pid 5213] <... write resumed>) = 1048576 [pid 5215] close(3 [pid 5213] munmap(0x7f1ceae00000, 138412032 [pid 5215] <... close resumed>) = 0 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... openat resumed>) = 3 [pid 5215] <... futex resumed>) = 0 [pid 5216] write(3, "1000", 4 [pid 5215] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5214] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5216] <... write resumed>) = 4 [pid 5215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5213] <... munmap resumed>) = 0 [pid 5216] close(3 [pid 5215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5213] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5214] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5216] <... close resumed>) = 0 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] close(3 [pid 5213] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5216] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5213] close(3 [pid 5215] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5216] <... mmap resumed>) = 0x7f1cf3367000 [pid 5216] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5216] <... mprotect resumed>) = 0 [pid 5215] <... clone3 resumed> => {parent_tid=[5217]}, 88) = 5217 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5217 attached ) = 0 [pid 5217] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] <... rseq resumed>) = 0 [pid 5217] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5214] <... close resumed>) = 0 [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5211] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5218 attached [pid 5216] <... clone3 resumed> => {parent_tid=[5218]}, 88) = 5218 [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5211] <... futex resumed>) = 0 [pid 5218] <... rseq resumed>) = 0 [pid 5217] memfd_create("syzkaller", 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5218] set_robust_list(0x7f1cf33879a0, 24 [pid 5217] <... memfd_create resumed>) = 3 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... open resumed>) = 3 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] <... mmap resumed>) = 0x7f1ceae00000 [pid 5216] <... futex resumed>) = 0 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5218] memfd_create("syzkaller", 0 [pid 5214] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... futex resumed>) = 0 [pid 5210] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... close resumed>) = 0 [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] memfd_create("syzkaller", 0 [pid 5218] <... memfd_create resumed>) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5214] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5210] <... memfd_create resumed>) = 5 [pid 5218] <... mmap resumed>) = 0x7f1ceae00000 [pid 5214] <... open resumed>) = 4 [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... mmap resumed>) = 0x7f1ceae00000 [pid 5212] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... futex resumed>) = 0 [pid 5214] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5210] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... open resumed>) = 3 [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] ftruncate(3, 5 [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5214] <... ftruncate resumed>) = 0 [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... write resumed>) = 156 [pid 5214] <... futex resumed>) = 1 [pid 5213] <... open resumed>) = 4 [pid 5212] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5207] exit_group(0 [pid 5214] sendfile(3, 4, NULL, 4 [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = ? [pid 5207] <... exit_group resumed>) = ? [pid 5213] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] <... futex resumed>) = 0 [pid 5210] +++ exited with 0 +++ [pid 5218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5214] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5213] ftruncate(3, 5 [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] +++ exited with 0 +++ [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... ftruncate resumed>) = 0 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... futex resumed>) = 0 [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5214] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5212] <... futex resumed>) = 0 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5214] <... mmap resumed>) = 0x20000000 [pid 5213] <... futex resumed>) = 0 [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... restart_syscall resumed>) = 0 [pid 5213] sendfile(3, 4, NULL, 4 [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... futex resumed>) = 0 [pid 5214] socketpair(AF_UNIX, 0, 0, [pid 5213] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] <... futex resumed>) = 0 [pid 5213] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5214] memfd_create("syzkaller", 0 [pid 5213] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... memfd_create resumed>) = 5 [pid 5213] <... mmap resumed>) = 0x20000000 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ) = 0x7f1ceae00000 [pid 5214] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5214] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5213] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5214] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] <... futex resumed>) = 0 [pid 5213] socketpair(AF_UNIX, 0, 0, [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5213] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5211] <... write resumed>) = 156 [pid 5217] <... write resumed>) = 1048576 [pid 5211] exit_group(0./strace-static-x86_64: Process 5219 attached ) = ? [pid 5214] <... futex resumed>) = ? [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] +++ exited with 0 +++ [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5213] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5219 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] <... futex resumed>) = 0 [pid 5219] set_robust_list(0x555555750760, 24 [pid 5213] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5212] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] munmap(0x7f1ceae00000, 138412032 [pid 5213] memfd_create("syzkaller", 0 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5213] <... memfd_create resumed>) = 5 [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] <... mmap resumed>) = 0x7f1ceae00000 [pid 5213] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5213] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5213] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ) = 156 [pid 5212] exit_group(0 [pid 5213] <... futex resumed>) = ? [pid 5212] <... exit_group resumed>) = ? [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... write resumed>) = 1048576 [pid 5217] <... munmap resumed>) = 0 [pid 5213] +++ exited with 0 +++ [pid 5212] +++ exited with 0 +++ [pid 5219] setpgid(0, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5219] <... setpgid resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5211] +++ exited with 0 +++ [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5217] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5217] close(3 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5219] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5218] munmap(0x7f1ceae00000, 138412032 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] <... munmap resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5219] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5219] <... futex resumed>) = 0 [pid 5219] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5218] close(3./strace-static-x86_64: Process 5220 attached [pid 5219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5220 ./strace-static-x86_64: Process 5221 attached [pid 5220] set_robust_list(0x555555750760, 24 [pid 5219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5217] <... close resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5221 [pid 5221] set_robust_list(0x555555750760, 24 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5220] <... prctl resumed>) = 0 [pid 5219] <... mmap resumed>) = 0x7f1cf3367000 [pid 5217] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5221] <... prctl resumed>) = 0 [pid 5220] setpgid(0, 0 [pid 5219] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5217] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] setpgid(0, 0 [pid 5220] <... setpgid resumed>) = 0 [pid 5219] <... mprotect resumed>) = 0 [pid 5217] <... open resumed>) = 3 [pid 5215] <... futex resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... setpgid resumed>) = 0 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5217] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5222 attached [pid 5221] <... openat resumed>) = 3 [pid 5220] write(3, "1000", 4 [pid 5217] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5221] write(3, "1000", 4 [pid 5220] <... write resumed>) = 4 [pid 5219] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5218] <... close resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5222] <... rseq resumed>) = 0 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] <... open resumed>) = 4 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] set_robust_list(0x7f1cf33879a0, 24 [pid 5221] <... write resumed>) = 4 [pid 5220] close(3 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] close(3 [pid 5220] <... close resumed>) = 0 [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] <... close resumed>) = 0 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5220] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5217] ftruncate(3, 5 [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] memfd_create("syzkaller", 0 [pid 5221] <... futex resumed>) = 0 [pid 5220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5217] <... ftruncate resumed>) = 0 [pid 5221] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... memfd_create resumed>) = 3 [pid 5221] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5218] <... open resumed>) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5216] <... futex resumed>) = 0 [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] <... mmap resumed>) = 0x7f1cf3367000 [pid 5222] <... mmap resumed>) = 0x7f1ceae00000 [pid 5220] <... mmap resumed>) = 0x7f1cf3367000 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 1 [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 [pid 5221] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5220] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5216] <... futex resumed>) = 0 [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... mprotect resumed>) = 0 [pid 5220] <... mprotect resumed>) = 0 [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... open resumed>) = 4 [pid 5217] sendfile(3, 4, NULL, 4 [pid 5215] <... futex resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5218] <... futex resumed>) = 1 [pid 5217] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5216] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5223 attached [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5224 attached [pid 5223] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5220] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5224] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5223] <... rseq resumed>) = 0 [pid 5221] <... clone3 resumed> => {parent_tid=[5224]}, 88) = 5224 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] ftruncate(3, 5 [pid 5217] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... rseq resumed>) = 0 [pid 5223] set_robust_list(0x7f1cf33879a0, 24 [pid 5222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... ftruncate resumed>) = 0 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5224] set_robust_list(0x7f1cf33879a0, 24 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5217] <... mmap resumed>) = 0x20000000 [pid 5216] <... futex resumed>) = 0 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] memfd_create("syzkaller", 0 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5224] memfd_create("syzkaller", 0 [pid 5223] <... memfd_create resumed>) = 3 [pid 5218] sendfile(3, 4, NULL, 4 [pid 5217] socketpair(AF_UNIX, 0, 0, [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5217] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5215] <... futex resumed>) = 0 [pid 5224] <... memfd_create resumed>) = 3 [pid 5223] <... mmap resumed>) = 0x7f1ceae00000 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5218] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... mmap resumed>) = 0x7f1ceae00000 [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [ 112.640252][ T5090] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 112.660044][ T5090] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5222] <... write resumed>) = 1048576 [pid 5218] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5217] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5215] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... write resumed>) = 1048576 [pid 5222] munmap(0x7f1ceae00000, 138412032 [pid 5218] <... mmap resumed>) = 0x20000000 [pid 5217] memfd_create("syzkaller", 0 [pid 5215] <... futex resumed>) = 0 [pid 5224] munmap(0x7f1ceae00000, 138412032 [pid 5217] <... memfd_create resumed>) = 5 [pid 5215] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] <... munmap resumed>) = 0 [pid 5222] <... munmap resumed>) = 0 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... mmap resumed>) = 0x7f1ceae00000 [pid 5223] <... write resumed>) = 1048576 [pid 5224] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5223] munmap(0x7f1ceae00000, 138412032 [pid 5218] <... futex resumed>) = 1 [pid 5217] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5216] <... futex resumed>) = 0 [pid 5218] socketpair(AF_UNIX, 0, 0, [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... munmap resumed>) = 0 [pid 5218] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5217] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5224] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5222] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = 1 [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5215] <... futex resumed>) = 0 [pid 5224] close(3 [pid 5218] <... futex resumed>) = 0 [pid 5217] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5223] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5222] close(3 [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... write resumed>) = 156 [pid 5223] close(3 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5215] exit_group(0 [pid 5218] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5216] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] memfd_create("syzkaller", 0) = 5 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5218] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5215] <... exit_group resumed>) = ? write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5218] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5218] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5217] <... futex resumed>) = ? [pid 5216] <... write resumed>) = 156 [pid 5216] exit_group(0 [pid 5218] <... futex resumed>) = ? [pid 5216] <... exit_group resumed>) = ? [pid 5218] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5215] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] <... close resumed>) = 0 ./strace-static-x86_64: Process 5225 attached [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5225 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5226 [pid 5225] set_robust_list(0x555555750760, 24./strace-static-x86_64: Process 5226 attached ) = 0 [pid 5224] <... close resumed>) = 0 [pid 5226] set_robust_list(0x555555750760, 24 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] setpgid(0, 0 [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... close resumed>) = 0 [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 1 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5226] setpgid(0, 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... futex resumed>) = 1 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5226] <... setpgid resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] <... open resumed>) = 3 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... openat resumed>) = 3 [pid 5225] <... openat resumed>) = 3 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] <... futex resumed>) = 0 [pid 5226] write(3, "1000", 4 [pid 5225] write(3, "1000", 4 [pid 5224] <... futex resumed>) = 1 [pid 5223] <... open resumed>) = 3 [pid 5222] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5221] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... write resumed>) = 4 [pid 5225] <... write resumed>) = 4 [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... open resumed>) = 3 [pid 5226] close(3 [pid 5225] close(3 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5223] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 1 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... open resumed>) = 4 [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5226] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5225] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5222] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5221] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] ftruncate(3, 5 [pid 5223] <... open resumed>) = 4 [pid 5222] <... open resumed>) = 4 [pid 5221] <... futex resumed>) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... ftruncate resumed>) = 0 [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5226] <... mmap resumed>) = 0x7f1cf3367000 [pid 5225] <... mmap resumed>) = 0x7f1cf3367000 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] ftruncate(3, 5 [pid 5222] <... futex resumed>) = 1 [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5226] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5224] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5226] <... mprotect resumed>) = 0 [pid 5225] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... ftruncate resumed>) = 0 [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] <... mprotect resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] <... futex resumed>) = 0 [pid 5226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] sendfile(3, 4, NULL, 4 [pid 5223] <... futex resumed>) = 0 [pid 5222] ftruncate(3, 5 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5227 attached [pid 5225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5223] sendfile(3, 4, NULL, 4 [pid 5222] <... ftruncate resumed>) = 0 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5226] <... clone3 resumed> => {parent_tid=[5227]}, 88) = 5227 [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5228 attached [pid 5227] <... rseq resumed>) = 0 [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5228] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5227] set_robust_list(0x7f1cf33879a0, 24 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... clone3 resumed> => {parent_tid=[5228]}, 88) = 5228 [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... rseq resumed>) = 0 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5228] set_robust_list(0x7f1cf33879a0, 24 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] <... futex resumed>) = 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] sendfile(3, 4, NULL, 4 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... set_robust_list resumed>) = 0 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... mmap resumed>) = 0x20000000 [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] memfd_create("syzkaller", 0 [pid 5225] <... futex resumed>) = 0 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... memfd_create resumed>) = 3 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 1 [pid 5223] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5228] memfd_create("syzkaller", 0 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... mmap resumed>) = 0x20000000 [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... memfd_create resumed>) = 3 [pid 5227] <... mmap resumed>) = 0x7f1ceae00000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5224] socketpair(AF_UNIX, 0, 0, [pid 5222] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... mmap resumed>) = 0x7f1ceae00000 [pid 5224] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5223] <... futex resumed>) = 1 [pid 5222] <... mmap resumed>) = 0x20000000 [pid 5220] <... futex resumed>) = 0 [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] <... futex resumed>) = 0 [pid 5227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5224] <... futex resumed>) = 1 [pid 5223] socketpair(AF_UNIX, 0, 0, [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5222] <... futex resumed>) = 1 [pid 5221] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5227] <... write resumed>) = 1048576 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5222] socketpair(AF_UNIX, 0, 0, [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] munmap(0x7f1ceae00000, 138412032 [pid 5224] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5223] <... futex resumed>) = 1 [pid 5221] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5227] <... munmap resumed>) = 0 [pid 5224] memfd_create("syzkaller", 0 [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5220] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... memfd_create resumed>) = 5 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] <... mmap resumed>) = 0x7f1ceae00000 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5223] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5222] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5220] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5227] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5224] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5228] <... write resumed>) = 1048576 [pid 5223] memfd_create("syzkaller", 0 [pid 5222] memfd_create("syzkaller", 0 [pid 5219] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] munmap(0x7f1ceae00000, 138412032 [pid 5227] close(3 [pid 5224] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... memfd_create resumed>) = 5 [pid 5222] <... memfd_create resumed>) = 5 [pid 5228] <... munmap resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5221] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5224] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... mmap resumed>) = 0x7f1ceae00000 [pid 5222] <... mmap resumed>) = 0x7f1ceae00000 [pid 5221] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5228] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5223] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5222] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5221] <... write resumed>) = 156 [pid 5223] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] exit_group(0 [pid 5228] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5224] <... futex resumed>) = ? [pid 5223] <... futex resumed>) = 1 [pid 5222] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... exit_group resumed>) = ? [pid 5220] <... futex resumed>) = 0 [pid 5228] close(3 [pid 5224] +++ exited with 0 +++ [pid 5223] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5222] <... futex resumed>) = 1 [pid 5221] +++ exited with 0 +++ [pid 5220] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5219] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5227] <... close resumed>) = 0 [pid 5222] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... write resumed>) = 156 [pid 5219] <... write resumed>) = 156 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5220] exit_group(0 [pid 5219] exit_group(0 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = ? [pid 5222] <... futex resumed>) = ? [pid 5220] <... exit_group resumed>) = ? [pid 5219] <... exit_group resumed>) = ? [pid 5064] <... restart_syscall resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5223] +++ exited with 0 +++ [pid 5222] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5219] +++ exited with 0 +++ [pid 5227] <... open resumed>) = 3 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5227] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] <... restart_syscall resumed>) = 0 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... open resumed>) = 4 [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5228] <... futex resumed>) = 1 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] ftruncate(3, 5 [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5230 attached [pid 5229] set_robust_list(0x555555750760, 24 [pid 5228] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5227] <... ftruncate resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] set_robust_list(0x555555750760, 24 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] <... open resumed>) = 3 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5229 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5230 [pid 5229] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5231 attached [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] setpgid(0, 0 [pid 5228] <... futex resumed>) = 1 [pid 5227] sendfile(3, 4, NULL, 4 [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5231] set_robust_list(0x555555750760, 24 [pid 5229] <... setpgid resumed>) = 0 [pid 5228] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5231 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... futex resumed>) = 0 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] <... prctl resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] <... open resumed>) = 4 [pid 5227] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5230] setpgid(0, 0 [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5228] ftruncate(3, 5 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] <... ftruncate resumed>) = 0 [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5230] <... setpgid resumed>) = 0 [pid 5231] <... prctl resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5227] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] setpgid(0, 0 [pid 5229] write(3, "1000", 4 [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... setpgid resumed>) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... write resumed>) = 4 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] close(3 [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... close resumed>) = 0 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... mmap resumed>) = 0x20000000 [pid 5225] <... futex resumed>) = 0 [pid 5229] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... openat resumed>) = 3 [pid 5228] sendfile(3, 4, NULL, 4 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... openat resumed>) = 3 [pid 5230] write(3, "1000", 4 [pid 5229] <... futex resumed>) = 0 [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 5230] <... write resumed>) = 4 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5227] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... write resumed>) = 4 [pid 5230] close(3 [pid 5229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] close(3 [pid 5230] <... close resumed>) = 0 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5228] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] socketpair(AF_UNIX, 0, 0, [pid 5226] <... futex resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... mmap resumed>) = 0x7f1cf3367000 [pid 5228] <... futex resumed>) = 1 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5230] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5229] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... mprotect resumed>) = 0 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5228] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] <... mmap resumed>) = 0x20000000 [pid 5227] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5226] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5232 attached [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] <... mmap resumed>) = 0x7f1cf3367000 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... memfd_create resumed>) = 5 [pid 5225] <... futex resumed>) = 0 [pid 5232] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5231] <... mmap resumed>) = 0x7f1cf3367000 [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5229] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5232] <... rseq resumed>) = 0 [pid 5231] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5225] <... futex resumed>) = 0 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] set_robust_list(0x7f1cf33879a0, 24 [pid 5231] <... mprotect resumed>) = 0 [pid 5230] <... mprotect resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] socketpair(AF_UNIX, 0, 0, [pid 5227] <... mmap resumed>) = 0x7f1ceae00000 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5227] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5225] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5233 attached [pid 5232] memfd_create("syzkaller", 0 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5225] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5234 attached [pid 5233] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5232] <... memfd_create resumed>) = 3 [pid 5231] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... write resumed>) = 156 [pid 5225] <... futex resumed>) = 0 [pid 5234] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5233] <... rseq resumed>) = 0 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] <... clone3 resumed> => {parent_tid=[5234]}, 88) = 5234 [pid 5228] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5226] exit_group(0 [pid 5225] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5234] <... rseq resumed>) = 0 [pid 5233] set_robust_list(0x7f1cf33879a0, 24 [pid 5232] <... mmap resumed>) = 0x7f1ceae00000 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] memfd_create("syzkaller", 0 [pid 5227] <... futex resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5234] set_robust_list(0x7f1cf33879a0, 24 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... memfd_create resumed>) = 5 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] memfd_create("syzkaller", 0 [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... mmap resumed>) = 0x7f1ceae00000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5234] memfd_create("syzkaller", 0 [pid 5228] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5233] <... memfd_create resumed>) = 3 [pid 5228] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... memfd_create resumed>) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5228] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5233] <... mmap resumed>) = 0x7f1ceae00000 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5228] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5234] <... mmap resumed>) = 0x7f1ceae00000 [pid 5225] <... write resumed>) = 156 [pid 5225] exit_group(0) = ? [pid 5228] <... futex resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] <... write resumed>) = 1048576 [pid 5232] munmap(0x7f1ceae00000, 138412032 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5235 ./strace-static-x86_64: Process 5235 attached [pid 5228] +++ exited with 0 +++ [pid 5225] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5235] set_robust_list(0x555555750760, 24 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5235] <... set_robust_list resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] <... munmap resumed>) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5232] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5235] <... prctl resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5236 [pid 5235] setpgid(0, 0 [pid 5232] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5236 attached [pid 5235] <... setpgid resumed>) = 0 [pid 5232] close(3 [pid 5236] set_robust_list(0x555555750760, 24 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] <... set_robust_list resumed>) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] <... openat resumed>) = 3 [pid 5236] <... prctl resumed>) = 0 [pid 5234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5236] setpgid(0, 0 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 [pid 5236] <... setpgid resumed>) = 0 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5232] <... close resumed>) = 0 [pid 5235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5236] <... openat resumed>) = 3 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] write(3, "1000", 4) = 4 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] close(3) = 0 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5236] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5235] <... mmap resumed>) = 0x7f1cf3367000 [pid 5236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5234] <... write resumed>) = 1048576 [pid 5233] <... write resumed>) = 1048576 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... mmap resumed>) = 0x7f1cf3367000 [pid 5235] <... mprotect resumed>) = 0 [pid 5234] munmap(0x7f1ceae00000, 138412032 [pid 5233] munmap(0x7f1ceae00000, 138412032 [pid 5229] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5236] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] <... munmap resumed>) = 0 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0}./strace-static-x86_64: Process 5237 attached [pid 5234] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5237] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5236] <... mprotect resumed>) = 0 [pid 5235] <... clone3 resumed> => {parent_tid=[5237]}, 88) = 5237 [pid 5232] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5229] <... futex resumed>) = 0 [pid 5237] <... rseq resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] close(3 [pid 5233] <... munmap resumed>) = 0 [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] set_robust_list(0x7f1cf33879a0, 24 [pid 5236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5232] <... open resumed>) = 3 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5238 attached [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] <... futex resumed>) = 0 [pid 5238] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] <... clone3 resumed> => {parent_tid=[5238]}, 88) = 5238 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] close(3 [pid 5232] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5238] <... rseq resumed>) = 0 [pid 5237] memfd_create("syzkaller", 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] <... close resumed>) = 0 [pid 5238] set_robust_list(0x7f1cf33879a0, 24 [pid 5237] <... memfd_create resumed>) = 3 [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5234] <... futex resumed>) = 1 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] <... mmap resumed>) = 0x7f1ceae00000 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... close resumed>) = 0 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5232] <... open resumed>) = 4 [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 1 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] memfd_create("syzkaller", 0 [pid 5234] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5232] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... memfd_create resumed>) = 3 [pid 5234] <... open resumed>) = 3 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] ftruncate(3, 5 [pid 5229] <... futex resumed>) = 0 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... ftruncate resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... mmap resumed>) = 0x7f1ceae00000 [pid 5237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5234] <... futex resumed>) = 1 [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5232] sendfile(3, 4, NULL, 4 [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5234] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... open resumed>) = 3 [pid 5232] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... open resumed>) = 4 [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5234] ftruncate(3, 5 [pid 5233] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5232] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... ftruncate resumed>) = 0 [pid 5233] <... open resumed>) = 4 [pid 5232] <... mmap resumed>) = 0x20000000 [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5234] sendfile(3, 4, NULL, 4 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... futex resumed>) = 0 [pid 5233] ftruncate(3, 5 [pid 5232] socketpair(AF_UNIX, 0, 0, [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5233] <... ftruncate resumed>) = 0 [pid 5232] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5233] sendfile(3, 4, NULL, 4 [pid 5232] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... futex resumed>) = 0 [pid 5238] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5234] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5232] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5232] memfd_create("syzkaller", 0 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... memfd_create resumed>) = 5 [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... mmap resumed>) = 0x7f1ceae00000 [pid 5231] <... futex resumed>) = 0 [pid 5234] <... mmap resumed>) = 0x20000000 [pid 5233] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5232] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... mmap resumed>) = 0x20000000 [pid 5232] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5229] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5234] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... write resumed>) = 156 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... futex resumed>) = 0 [pid 5229] exit_group(0 [pid 5234] socketpair(AF_UNIX, 0, 0, [pid 5232] <... futex resumed>) = ? [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... exit_group resumed>) = ? [pid 5234] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5233] socketpair(AF_UNIX, 0, 0, [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] <... write resumed>) = 1048576 [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5234] <... futex resumed>) = 1 [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] munmap(0x7f1ceae00000, 138412032 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5231] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5239 attached [pid 5234] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5233] memfd_create("syzkaller", 0 [pid 5231] <... futex resumed>) = 0 [pid 5230] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5239 [pid 5234] memfd_create("syzkaller", 0 [pid 5233] <... memfd_create resumed>) = 5 [pid 5231] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5234] <... memfd_create resumed>) = 5 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5239] set_robust_list(0x555555750760, 24 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5233] <... mmap resumed>) = 0x7f1ceae00000 [pid 5234] <... mmap resumed>) = 0x7f1ceae00000 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5234] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5233] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5233] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5233] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 5237] <... munmap resumed>) = 0 [pid 5231] exit_group(0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] <... write resumed>) = 1048576 [pid 5237] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5234] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = ? [pid 5231] <... exit_group resumed>) = ? [pid 5239] setpgid(0, 0 [pid 5238] munmap(0x7f1ceae00000, 138412032 [pid 5234] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5239] <... setpgid resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5234] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] <... munmap resumed>) = 0 [pid 5237] close(3 [pid 5230] <... write resumed>) = 156 [pid 5233] +++ exited with 0 +++ [pid 5238] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5239] <... openat resumed>) = 3 [pid 5231] +++ exited with 0 +++ [pid 5230] exit_group(0 [pid 5239] write(3, "1000", 4) = 4 [pid 5239] close(3) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5239] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... restart_syscall resumed>) = 0 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5234] <... futex resumed>) = ? [pid 5230] <... exit_group resumed>) = ? [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5234] +++ exited with 0 +++ [pid 5239] <... mmap resumed>) = 0x7f1cf3367000 [pid 5239] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5238] close(3 [pid 5237] <... close resumed>) = 0 [pid 5230] +++ exited with 0 +++ [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5239] <... mprotect resumed>) = 0 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5239] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5240 attached [], 8) = 0 [pid 5237] <... open resumed>) = 3 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5240] set_robust_list(0x555555750760, 24 [pid 5239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5241 attached [pid 5240] <... set_robust_list resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5240 [pid 5241] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... clone3 resumed> => {parent_tid=[5241]}, 88) = 5241 [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5241] <... rseq resumed>) = 0 [pid 5240] <... prctl resumed>) = 0 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] set_robust_list(0x7f1cf33879a0, 24 [pid 5240] setpgid(0, 0 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... close resumed>) = 0 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... setpgid resumed>) = 0 [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... open resumed>) = 4 [pid 5236] <... futex resumed>) = 0 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5238] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] memfd_create("syzkaller", 0 [pid 5240] <... openat resumed>) = 3 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 1 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5241] <... memfd_create resumed>) = 3 [pid 5240] write(3, "1000", 4 [pid 5238] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... write resumed>) = 4 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5242 attached [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5240] close(3 [pid 5238] <... open resumed>) = 3 [pid 5237] ftruncate(3, 5 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... mmap resumed>) = 0x7f1ceae00000 [pid 5240] <... close resumed>) = 0 [pid 5237] <... ftruncate resumed>) = 0 [pid 5242] set_robust_list(0x555555750760, 24 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5242 [pid 5240] <... futex resumed>) = 0 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5237] sendfile(3, 4, NULL, 4 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... prctl resumed>) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5240] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5237] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5242] setpgid(0, 0 [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] <... open resumed>) = 4 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5242] <... setpgid resumed>) = 0 [pid 5240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5238] ftruncate(3, 5 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5243 attached [pid 5242] <... openat resumed>) = 3 [pid 5237] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5242] write(3, "1000", 4 [pid 5240] <... clone3 resumed> => {parent_tid=[5243]}, 88) = 5243 [pid 5238] <... ftruncate resumed>) = 0 [pid 5237] <... mmap resumed>) = 0x20000000 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] <... rseq resumed>) = 0 [pid 5242] <... write resumed>) = 4 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] set_robust_list(0x7f1cf33879a0, 24 [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = 1 [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] close(3 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5238] <... futex resumed>) = 0 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] memfd_create("syzkaller", 0 [pid 5238] sendfile(3, 4, NULL, 4 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5242] <... close resumed>) = 0 [pid 5243] <... memfd_create resumed>) = 3 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] socketpair(AF_UNIX, 0, 0, [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5242] <... futex resumed>) = 0 [pid 5237] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5242] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5238] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5237] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5237] memfd_create("syzkaller", 0 [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5238] <... futex resumed>) = 1 [pid 5237] <... memfd_create resumed>) = 5 [pid 5236] <... futex resumed>) = 0 [pid 5242] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5242] <... mprotect resumed>) = 0 [pid 5238] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5237] <... mmap resumed>) = 0x7f1ceae00000 [pid 5236] <... futex resumed>) = 0 [pid 5238] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5238] <... mmap resumed>) = 0x20000000 [pid 5237] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... write resumed>) = 1048576 [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5243] <... write resumed>) = 1048576 [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5241] munmap(0x7f1ceae00000, 138412032 [pid 5243] munmap(0x7f1ceae00000, 138412032 [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5238] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 [pid 5235] <... write resumed>) = 156 [pid 5238] socketpair(AF_UNIX, 0, 0, [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] exit_group(0./strace-static-x86_64: Process 5244 attached [pid 5243] <... munmap resumed>) = 0 [pid 5242] <... clone3 resumed> => {parent_tid=[5244]}, 88) = 5244 [pid 5241] <... munmap resumed>) = 0 [pid 5238] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5237] <... futex resumed>) = ? [pid 5236] <... futex resumed>) = 0 [pid 5235] <... exit_group resumed>) = ? [pid 5244] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5243] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] +++ exited with 0 +++ [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... rseq resumed>) = 0 [pid 5243] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] set_robust_list(0x7f1cf33879a0, 24 [pid 5243] close(3 [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] close(3 [pid 5235] +++ exited with 0 +++ [pid 5236] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5244] <... set_robust_list resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5238] memfd_create("syzkaller", 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5238] <... memfd_create resumed>) = 5 [pid 5236] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... restart_syscall resumed>) = 0 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5244] memfd_create("syzkaller", 0 [pid 5238] <... mmap resumed>) = 0x7f1ceae00000 [pid 5244] <... memfd_create resumed>) = 3 [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5238] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] <... mmap resumed>) = 0x7f1ceae00000 [pid 5238] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5238] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156./strace-static-x86_64: Process 5245 attached ) = 156 [pid 5245] set_robust_list(0x555555750760, 24 [pid 5236] exit_group(0 [pid 5065] <... clone resumed>, child_tidptr=0x555555750750) = 5245 [pid 5238] <... futex resumed>) = ? [pid 5236] <... exit_group resumed>) = ? [pid 5245] <... set_robust_list resumed>) = 0 [pid 5238] +++ exited with 0 +++ [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5245] <... openat resumed>) = 3 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5245] write(3, "1000", 4) = 4 [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5245] close(3 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5245] <... close resumed>) = 0 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5245] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, NULL, 8) = 0 [pid 5245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1cf3367000 [pid 5245] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5246 attached [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5246] set_robust_list(0x555555750760, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555555750750) = 5246 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5246] <... prctl resumed>) = 0 [pid 5246] setpgid(0, 0./strace-static-x86_64: Process 5247 attached ) = 0 [pid 5245] <... clone3 resumed> => {parent_tid=[5247]}, 88) = 5247 [pid 5244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5243] <... close resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 5247] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... rseq resumed>) = 0 [pid 5243] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] set_robust_list(0x7f1cf33879a0, 24 [pid 5246] <... openat resumed>) = 3 [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5246] write(3, "1000", 4 [pid 5245] <... futex resumed>) = 0 [pid 5243] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... write resumed>) = 4 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5246] close(3 [pid 5239] <... futex resumed>) = 0 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... close resumed>) = 0 [pid 5241] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5243] <... open resumed>) = 3 [pid 5241] <... open resumed>) = 3 [pid 5247] memfd_create("syzkaller", 0 [pid 5246] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... memfd_create resumed>) = 3 [pid 5246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5243] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5243] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5241] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... open resumed>) = 4 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5247] <... mmap resumed>) = 0x7f1ceae00000 [pid 5246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] <... mmap resumed>) = 0x7f1cf3367000 [pid 5244] <... write resumed>) = 1048576 [pid 5243] <... futex resumed>) = 0 [pid 5241] <... open resumed>) = 4 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] ftruncate(3, 5 [pid 5241] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5246] <... mprotect resumed>) = 0 [pid 5244] munmap(0x7f1ceae00000, 138412032 [pid 5243] <... ftruncate resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] <... futex resumed>) = 0 [pid 5241] ftruncate(3, 5 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 0 [pid 5241] <... ftruncate resumed>) = 0 [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 0 [pid 5243] sendfile(3, 4, NULL, 4 [pid 5241] <... futex resumed>) = 1 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... futex resumed>) = 0 [pid 5246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5244] <... munmap resumed>) = 0 [pid 5243] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5241] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 0 [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5244] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5243] <... futex resumed>) = 1 [pid 5241] sendfile(3, 4, NULL, 4 [pid 5240] <... futex resumed>) = 0 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5248 attached [pid 5244] close(3 [pid 5243] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5246] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 0 [pid 5248] <... rseq resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] <... futex resumed>) = 0 [pid 5248] set_robust_list(0x7f1cf33879a0, 24 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5241] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] <... futex resumed>) = 0 [pid 5243] <... mmap resumed>) = 0x20000000 [pid 5241] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... mmap resumed>) = 0x20000000 [pid 5248] memfd_create("syzkaller", 0 [pid 5243] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5248] <... memfd_create resumed>) = 3 [pid 5243] socketpair(AF_UNIX, 0, 0, [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5241] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5248] <... mmap resumed>) = 0x7f1ceae00000 [pid 5243] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5241] socketpair(AF_UNIX, 0, 0, [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5244] <... close resumed>) = 0 [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5244] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... futex resumed>) = 0 [pid 5240] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5243] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5242] <... futex resumed>) = 1 [pid 5241] memfd_create("syzkaller", 0 [pid 5239] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5247] <... write resumed>) = 1048576 [pid 5244] <... futex resumed>) = 0 [pid 5243] memfd_create("syzkaller", 0 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5247] munmap(0x7f1ceae00000, 138412032 [pid 5244] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5243] <... memfd_create resumed>) = 5 [pid 5247] <... munmap resumed>) = 0 [pid 5244] <... open resumed>) = 3 [pid 5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5241] <... memfd_create resumed>) = 5 [pid 5243] <... mmap resumed>) = 0x7f1ceae00000 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5244] <... futex resumed>) = 1 [pid 5243] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5242] <... futex resumed>) = 0 [pid 5244] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... mmap resumed>) = 0x7f1ceae00000 [pid 5247] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5243] <... futex resumed>) = 1 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 0 [pid 5241] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5247] close(3 [pid 5244] <... open resumed>) = 4 [pid 5243] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... write resumed>) = 156 [pid 5244] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5240] exit_group(0 [pid 5239] <... futex resumed>) = 0 [pid 5243] <... futex resumed>) = ? [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... exit_group resumed>) = ? write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5239] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5244] ftruncate(3, 5 [pid 5242] <... futex resumed>) = 0 [pid 5239] <... write resumed>) = 156 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] exit_group(0 [pid 5241] <... futex resumed>) = ? [pid 5239] <... exit_group resumed>) = ? [pid 5244] <... ftruncate resumed>) = 0 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5240] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5242] <... futex resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 1 [pid 5244] sendfile(3, 4, NULL, 4 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5248] <... write resumed>) = 1048576 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555750750) = 5249 ./strace-static-x86_64: Process 5250 attached ./strace-static-x86_64: Process 5249 attached [pid 5244] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] set_robust_list(0x555555750760, 24 [pid 5249] set_robust_list(0x555555750760, 24 [pid 5247] <... close resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555555750750) = 5250 [pid 5244] <... mmap resumed>) = 0x20000000 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5248] munmap(0x7f1ceae00000, 138412032 [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... prctl resumed>) = 0 [pid 5249] <... prctl resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] setpgid(0, 0 [pid 5249] setpgid(0, 0 [pid 5247] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... setpgid resumed>) = 0 [pid 5247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... setpgid resumed>) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] socketpair(AF_UNIX, 0, 0, [pid 5242] <... futex resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5247] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] <... openat resumed>) = 3 [pid 5248] <... munmap resumed>) = 0 [pid 5247] <... open resumed>) = 3 [pid 5244] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5248] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] write(3, "1000", 4 [pid 5247] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5249] <... write resumed>) = 4 [pid 5248] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5247] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5250] <... openat resumed>) = 3 [pid 5249] close(3 [pid 5248] close(3 [pid 5247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... futex resumed>) = 0 [pid 5242] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] write(3, "1000", 4 [pid 5249] <... close resumed>) = 0 [pid 5247] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5242] <... futex resumed>) = 0 [pid 5250] <... write resumed>) = 4 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... open resumed>) = 4 [pid 5244] memfd_create("syzkaller", 0 [pid 5242] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5250] close(3 [pid 5249] <... futex resumed>) = 0 [pid 5244] <... memfd_create resumed>) = 5 [pid 5250] <... close resumed>) = 0 [pid 5249] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5247] ftruncate(3, 5 [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... mmap resumed>) = 0x7f1ceae00000 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... ftruncate resumed>) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] munmap(0x7f1ceae00000, 138412032 [pid 5250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5249] <... mmap resumed>) = 0x7f1cf3367000 [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... munmap resumed>) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5247] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5244] close(5 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5248] <... close resumed>) = 0 [pid 5247] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... mmap resumed>) = 0x7f1cf3367000 [pid 5244] <... close resumed>) = 0 [pid 5250] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... mprotect resumed>) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5248] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULLwrite to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5244] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5242] <... write resumed>) = 156 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5242] exit_group(0 [pid 5244] <... futex resumed>) = ? [pid 5242] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5251 attached [pid 5247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] +++ exited with 0 +++ [pid 5250] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5242] +++ exited with 0 +++ [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5247] sendfile(3, 4, NULL, 4 [pid 5251] <... rseq resumed>) = 0 [pid 5251] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] memfd_create("syzkaller", 0 [pid 5246] <... futex resumed>) = 1 [pid 5247] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5251] <... memfd_create resumed>) = 3 [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5247] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5245] <... futex resumed>) = 0 [pid 5251] <... mmap resumed>) = 0x7f1ceae00000 [pid 5249] <... mprotect resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... mmap resumed>) = 0x20000000 [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5248] <... open resumed>) = 3 [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... restart_syscall resumed>) = 0 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5252 attached [pid 5248] <... futex resumed>) = 1 [pid 5247] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] <... futex resumed>) = 0 [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5249] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... futex resumed>) = 0 [pid 5252] <... rseq resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] <... open resumed>) = 4 [pid 5247] socketpair(AF_UNIX, 0, 0, [pid 5246] <... futex resumed>) = 0 [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] set_robust_list(0x7f1cf33879a0, 24 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5252] <... set_robust_list resumed>) = 0 [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] <... futex resumed>) = 0 [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5254 attached [ 113.602344][ T2819] ------------[ cut here ]------------ [ 113.608380][ T2819] kernel BUG at fs/ext4/inode.c:2563! [ 113.651495][ T2819] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 113.658062][ T2819] CPU: 1 PID: 2819 Comm: kworker/u4:9 Not tainted 6.8.0-rc7-syzkaller #0 [ 113.666608][ T2819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 113.676787][ T2819] Workqueue: writeback wb_workfn (flush-7:4) [ 113.682928][ T2819] RIP: 0010:ext4_do_writepages+0x2674/0x3360 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5252] memfd_create("syzkaller", 0 [pid 5251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5248] ftruncate(3, 5 [pid 5247] <... futex resumed>) = 1 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... futex resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555750750) = 5254 [pid 5254] set_robust_list(0x555555750760, 24 [pid 5252] <... memfd_create resumed>) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5245] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... mmap resumed>) = 0x7f1ceae00000 [pid 5245] <... futex resumed>) = 0 [pid 5252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5247] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5245] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] <... write resumed>) = 1048576 [pid 5247] memfd_create("syzkaller", 0 [pid 5251] munmap(0x7f1ceae00000, 138412032 [pid 5247] <... memfd_create resumed>) = 5 [pid 5251] <... munmap resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5251] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5247] <... mmap resumed>) = 0x7f1ceae00000 [pid 5251] close(3 [pid 5247] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5247] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5245] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5247] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... write resumed>) = 156 [pid 5245] exit_group(0 [pid 5247] <... futex resumed>) = ? [pid 5245] <... exit_group resumed>) = ? [pid 5247] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5065] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555750750) = 5255 ./strace-static-x86_64: Process 5255 attached [pid 5251] <... close resumed>) = 0 [pid 5255] set_robust_list(0x555555750760, 24) = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0 [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... setpgid resumed>) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] <... openat resumed>) = 3 [pid 5255] write(3, "1000", 4) = 4 [ 113.688961][ T2819] Code: ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 f1 ed ff ff 48 8b 7c 24 08 e8 a7 9c a3 ff e9 e2 ed ff ff e8 ed 70 4a ff 90 <0f> 0b e8 e5 70 4a ff 48 8b 4c 24 60 41 89 dd 48 b8 00 00 00 00 00 [ 113.708805][ T2819] RSP: 0018:ffffc90009ee7310 EFLAGS: 00010293 [ 113.715015][ T2819] RAX: 0000000000000000 RBX: ffff88807ab7e450 RCX: ffffffff8240c9b3 [ 113.723639][ T2819] RDX: ffff88802b118000 RSI: ffffffff8240dd83 RDI: 0000000000000007 [ 113.731718][ T2819] RBP: ffffc90009ee7518 R08: 0000000000000007 R09: 0000000000000000 [ 113.739732][ T2819] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000001 [ 113.747890][ T2819] R13: ffff88807f79a638 R14: ffff88807ab7e6b0 R15: 0000000000003400 [ 113.755986][ T2819] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 113.765032][ T2819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.771633][ T2819] CR2: 00007f1cf33d0623 CR3: 000000002c1b8000 CR4: 00000000003506f0 [ 113.779711][ T2819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.787697][ T2819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.795687][ T2819] Call Trace: [ 113.798984][ T2819] [ 113.801925][ T2819] ? show_regs+0x8f/0xa0 [ 113.806291][ T2819] ? die+0x36/0xa0 [ 113.810054][ T2819] ? do_trap+0x22b/0x420 [ 113.814413][ T2819] ? ext4_do_writepages+0x2674/0x3360 [ 113.819824][ T2819] ? ext4_do_writepages+0x2674/0x3360 [ 113.825228][ T2819] ? do_error_trap+0xf4/0x230 [ 113.829932][ T2819] ? ext4_do_writepages+0x2674/0x3360 [ 113.835323][ T2819] ? handle_invalid_op+0x34/0x40 [ 113.840295][ T2819] ? ext4_do_writepages+0x2674/0x3360 [ 113.845715][ T2819] ? exc_invalid_op+0x2e/0x50 [ 113.850438][ T2819] ? asm_exc_invalid_op+0x1a/0x20 [ 113.855481][ T2819] ? ext4_do_writepages+0x12a3/0x3360 [ 113.860874][ T2819] ? ext4_do_writepages+0x2673/0x3360 [ 113.866263][ T2819] ? ext4_do_writepages+0x2674/0x3360 [ 113.871662][ T2819] ? hlock_class+0x4e/0x130 [ 113.876282][ T2819] ? __pfx_ext4_do_writepages+0x10/0x10 [ 113.882834][ T2819] ? __pfx_mark_lock+0x10/0x10 [ 113.887948][ T2819] ext4_writepages+0x30c/0x780 [ 113.892760][ T2819] ? __pfx_ext4_writepages+0x10/0x10 [ 113.898089][ T2819] ? hlock_class+0x4e/0x130 [ 113.902736][ T2819] ? __pfx_ext4_writepages+0x10/0x10 [ 113.908150][ T2819] do_writepages+0x1b4/0x690 [ 113.912775][ T2819] ? __pfx_do_writepages+0x10/0x10 [ 113.917909][ T2819] ? writeback_sb_inodes+0x348/0x1080 [ 113.923402][ T2819] ? find_held_lock+0x2d/0x110 [ 113.928199][ T2819] ? wbc_attach_and_unlock_inode+0x446/0x910 [ 113.934217][ T2819] ? __pfx_lock_release+0x10/0x10 [ 113.939272][ T2819] __writeback_single_inode+0x158/0xe90 [ 113.944859][ T2819] ? __pfx___writeback_single_inode+0x10/0x10 [ 113.950964][ T2819] ? _raw_spin_unlock+0x28/0x50 [ 113.955847][ T2819] ? wbc_attach_and_unlock_inode+0x49c/0x910 [ 113.961866][ T2819] writeback_sb_inodes+0x59d/0x1080 [ 113.967105][ T2819] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 113.972779][ T2819] ? find_held_lock+0x59/0x110 [ 113.977564][ T2819] ? move_expired_inodes+0x59e/0x850 [ 113.982881][ T2819] __writeback_inodes_wb+0xff/0x2e0 [ 113.988180][ T2819] ? __pfx___writeback_inodes_wb+0x10/0x10 [ 113.994221][ T2819] ? queue_io+0x3ed/0x4e0 [ 113.998587][ T2819] wb_writeback+0x7f8/0xaa0 [ 114.003127][ T2819] ? __pfx_wb_writeback+0x10/0x10 [ 114.008186][ T2819] ? get_nr_dirty_inodes+0x176/0x1f0 [ 114.013499][ T2819] wb_workfn+0x880/0xfe0 [ 114.017780][ T2819] ? __pfx___lock_acquire+0x10/0x10 [ 114.023007][ T2819] ? __pfx_wb_workfn+0x10/0x10 [ 114.027788][ T2819] ? __pfx_lock_acquire+0x10/0x10 [ 114.032862][ T2819] ? __pfx_lock_acquire+0x10/0x10 [ 114.037918][ T2819] process_one_work+0x889/0x15e0 [ 114.042896][ T2819] ? __pfx_wb_workfn+0x10/0x10 [ 114.047682][ T2819] ? __pfx_process_one_work+0x10/0x10 [pid 5255] close(3 [pid 5252] <... write resumed>) = 1048576 [pid 5248] <... ftruncate resumed>) = 0 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... set_robust_list resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... close resumed>) = 0 [pid 5255] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [ 114.053098][ T2819] ? assign_work+0x1a0/0x250 [ 114.057734][ T2819] worker_thread+0x8b9/0x12a0 [ 114.062465][ T2819] ? __kthread_parkme+0x14b/0x220 [ 114.067774][ T2819] ? __pfx_worker_thread+0x10/0x10 [ 114.072936][ T2819] kthread+0x2c6/0x3b0 [ 114.077043][ T2819] ? _raw_spin_unlock_irq+0x23/0x50 [ 114.082274][ T2819] ? __pfx_kthread+0x10/0x10 [ 114.086889][ T2819] ret_from_fork+0x45/0x80 [ 114.091337][ T2819] ? __pfx_kthread+0x10/0x10 [ 114.095952][ T2819] ret_from_fork_asm+0x1b/0x30 [ 114.100756][ T2819] [pid 5252] munmap(0x7f1ceae00000, 138412032 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5248] sendfile(3, 4, NULL, 4 [pid 5252] <... munmap resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5255] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5248] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5252] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5254] <... prctl resumed>) = 0 [pid 5252] close(3 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5248] <... futex resumed>) = 0 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] setpgid(0, 0 [pid 5251] <... open resumed>) = 3 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... mmap resumed>) = 0x7f1cf3367000 [pid 5254] <... setpgid resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] <... mprotect resumed>) = 0 [pid 5255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5248] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5254] <... openat resumed>) = 3 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... mmap resumed>) = 0x20000000 [pid 5255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5254] write(3, "1000", 4 [pid 5251] <... open resumed>) = 4 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... clone3 resumed> => {parent_tid=[5256]}, 88) = 5256 [pid 5251] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 1 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5256 attached ) = 0 [pid 5256] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5255] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5256] <... rseq resumed>) = 0 [pid 5256] set_robust_list(0x7f1cf33879a0, 24) = 0 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 114.103783][ T2819] Modules linked in: [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5254] <... write resumed>) = 4 [pid 5252] <... close resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5256] <... mmap resumed>) = 0x7f1ceae00000 [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] close(3 [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = 1 [pid 5252] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3 [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = 1 [pid 5252] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5252] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] ftruncate(3, 5) = 0 [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5254] <... close resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5251] ftruncate(3, 5 [pid 5248] socketpair(AF_UNIX, 0, 0, [pid 5251] <... ftruncate resumed>) = 0 [pid 5248] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] <... futex resumed>) = 1 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... futex resumed>) = 0 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] sendfile(3, 4, NULL, 4 [pid 5246] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5252] sendfile(3, 4, NULL, 4 [pid 5251] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5248] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20001000} --- [pid 5254] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] memfd_create("syzkaller", 0 [pid 5246] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] <... futex resumed>) = 0 [pid 5248] <... memfd_create resumed>) = 5 [pid 5254] rt_sigaction(SIGRT_1, {sa_handler=0x7f1cf33f80e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1cf339a660}, [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5248] <... mmap resumed>) = 0x7f1ceae00000 [ 114.136130][ T2819] ---[ end trace 0000000000000000 ]--- [ 114.141777][ T2819] RIP: 0010:ext4_do_writepages+0x2674/0x3360 [ 114.148286][ T2819] Code: ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 f1 ed ff ff 48 8b 7c 24 08 e8 a7 9c a3 ff e9 e2 ed ff ff e8 ed 70 4a ff 90 <0f> 0b e8 e5 70 4a ff 48 8b 4c 24 60 41 89 dd 48 b8 00 00 00 00 00 [ 114.168146][ T2819] RSP: 0018:ffffc90009ee7310 EFLAGS: 00010293 [pid 5254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5248] munmap(0x7f1ceae00000, 138412032 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] <... munmap resumed>) = 0 [pid 5254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5248] close(5 [pid 5254] <... mmap resumed>) = 0x7f1cf3367000 [pid 5248] <... close resumed>) = 0 [pid 5254] mprotect(0x7f1cf3368000, 131072, PROT_READ|PROT_WRITE [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... mprotect resumed>) = 0 [pid 5252] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5248] <... futex resumed>) = 1 [pid 5246] <... futex resumed>) = 0 write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 5254] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5246] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156 [pid 5254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5252] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5246] <... write resumed>) = 156 [pid 5254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1cf3387990, parent_tid=0x7f1cf3387990, exit_signal=0, stack=0x7f1cf3367000, stack_size=0x20240, tls=0x7f1cf33876c0} [pid 5252] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] exit_group(0 [pid 5252] <... mmap resumed>) = 0x20000000 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5246] <... exit_group resumed>) = ? [pid 5248] <... futex resumed>) = ? [pid 5254] <... clone3 resumed> => {parent_tid=[5257]}, 88) = 5257 [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5257 attached [pid 5256] <... write resumed>) = 1048576 [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5248] +++ exited with 0 +++ [pid 5246] +++ exited with 0 +++ [pid 5257] rseq(0x7f1cf3387fe0, 0x20, 0, 0x53053053 [pid 5251] <... mmap resumed>) = 0x20000000 [pid 5257] <... rseq resumed>) = 0 [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] set_robust_list(0x7f1cf33879a0, 24 [pid 5251] <... futex resumed>) = 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5257] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5254] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5257] memfd_create("syzkaller", 0) = 3 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ceae00000 [pid 5256] munmap(0x7f1ceae00000, 138412032 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [ 114.179227][ T2819] RAX: 0000000000000000 RBX: ffff88807ab7e450 RCX: ffffffff8240c9b3 [ 114.188546][ T2819] RDX: ffff88802b118000 RSI: ffffffff8240dd83 RDI: 0000000000000007 [ 114.198710][ T2819] RBP: ffffc90009ee7518 R08: 0000000000000007 R09: 0000000000000000 [ 114.206852][ T2819] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000001 [ 114.215615][ T2819] R13: ffff88807f79a638 R14: ffff88807ab7e6b0 R15: 0000000000003400 [ 114.224058][ T2819] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [pid 5254] <... futex resumed>) = 1 [pid 5257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5256] <... munmap resumed>) = 0 [pid 5252] socketpair(AF_UNIX, 0, 0, [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] <... futex resumed>) = 0 [pid 5252] <... socketpair resumed>0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5250] futex(0x7f1cf3453608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5256] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5256] close(3 [pid 5069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5252] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5251] socketpair(AF_UNIX, 0, 0, 0x20000200) = -1 ESOCKTNOSUPPORT (Socket type not supported) [pid 5251] futex(0x7f1cf345360c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] futex(0x7f1cf3453608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7f1cf345360c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5256] <... close resumed>) = 0 [ 114.233206][ T2819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.239906][ T2819] CR2: 00007f1cf341e418 CR3: 0000000079fa2000 CR4: 00000000003506f0 [ 114.248872][ T2819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 114.257493][ T2819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 114.265774][ T2819] Kernel panic - not syncing: Fatal exception [ 114.272084][ T2819] Kernel Offset: disabled [ 114.276425][ T2819] Rebooting in 86400 seconds..