./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3289916483 <...> [ 9.228305][ T101] udevd[101]: starting version 3.2.11 [ 9.300505][ T102] udevd[102]: starting eudev-3.2.11 [ 9.307916][ T101] udevd (101) used greatest stack depth: 23056 bytes left [ 24.947859][ T28] kauditd_printk_skb: 49 callbacks suppressed [ 24.947887][ T28] audit: type=1400 audit(1710677704.598:61): avc: denied { transition } for pid=258 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.957020][ T28] audit: type=1400 audit(1710677704.598:62): avc: denied { noatsecure } for pid=258 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.965325][ T28] audit: type=1400 audit(1710677704.608:63): avc: denied { write } for pid=258 comm="sh" path="pipe:[13103]" dev="pipefs" ino=13103 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 24.983137][ T28] audit: type=1400 audit(1710677704.608:64): avc: denied { rlimitinh } for pid=258 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.001908][ T28] audit: type=1400 audit(1710677704.608:65): avc: denied { siginh } for pid=258 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 33.499959][ T290] sshd (290) used greatest stack depth: 22768 bytes left Warning: Permanently added '10.128.10.33' (ED25519) to the list of known hosts. execve("./syz-executor3289916483", ["./syz-executor3289916483"], 0x7ffcd9628ee0 /* 10 vars */) = 0 brk(NULL) = 0x55555610b000 brk(0x55555610bd40) = 0x55555610bd40 arch_prctl(ARCH_SET_FS, 0x55555610b3c0) = 0 set_tid_address(0x55555610b690) = 304 set_robust_list(0x55555610b6a0, 24) = 0 rseq(0x55555610bce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3289916483", 4096) = 28 getrandom("\xe9\x7e\x9a\x8c\x1a\x2b\x46\xfe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555610bd40 brk(0x55555612cd40) = 0x55555612cd40 brk(0x55555612d000) = 0x55555612d000 mprotect(0x7f41e0b27000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 306 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 307 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55555610b6a0, 24./strace-static-x86_64: Process 306 attached ) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 39.181128][ T28] audit: type=1400 audit(1710677718.828:66): avc: denied { execmem } for pid=304 comm="syz-executor328" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 306] set_robust_list(0x55555610b6a0, 24 [pid 307] <... openat resumed>) = 3 [pid 306] <... set_robust_list resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 304] <... clone resumed>, child_tidptr=0x55555610b690) = 308 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... clone resumed>, child_tidptr=0x55555610b690) = 309 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 310 [pid 304] <... clone resumed>, child_tidptr=0x55555610b690) = 311 [pid 307] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 310 attached [pid 307] close(3) = 0 [pid 310] set_robust_list(0x55555610b6a0, 24./strace-static-x86_64: Process 308 attached [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x55555610b6a0, 24./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x55555610b6a0, 24 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 312 [pid 309] <... set_robust_list resumed>) = 0 [pid 311] <... set_robust_list resumed>) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] set_robust_list(0x55555610b6a0, 24 [pid 310] <... prctl resumed>) = 0 [pid 308] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 312 attached [pid 310] setpgid(0, 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 312] set_robust_list(0x55555610b6a0, 24 [pid 310] <... setpgid resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 312] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 312] <... prctl resumed>) = 0 [pid 311] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 311] ioctl(3, LOOP_CLR_FD [pid 312] setpgid(0, 0 [pid 310] write(3, "1000", 4 [pid 308] ioctl(3, LOOP_CLR_FD [pid 311] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 311] close(3 [pid 309] <... openat resumed>) = 3 [pid 312] <... setpgid resumed>) = 0 [pid 310] <... write resumed>) = 4 [pid 308] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 311] <... close resumed>) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 308] close(3 [pid 312] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 312] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] ioctl(3, LOOP_CLR_FD [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 312] <... write resumed>) = 4 [pid 310] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 313 [pid 310] <... futex resumed>) = 0 [pid 312] <... close resumed>) = 0 [pid 312] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 309] close(3) = 0 [pid 312] <... futex resumed>) = 0 [pid 310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... clone resumed>, child_tidptr=0x55555610b690) = 314 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 316 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x55555610b6a0, 24) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 314 attached ./strace-static-x86_64: Process 316 attached [pid 314] set_robust_list(0x55555610b6a0, 24 [pid 313] write(3, "1000", 4 [pid 316] set_robust_list(0x55555610b6a0, 24 [pid 314] <... set_robust_list resumed>) = 0 [pid 313] <... write resumed>) = 4 [pid 316] <... set_robust_list resumed>) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 313] close(3 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 314] <... prctl resumed>) = 0 [pid 313] <... close resumed>) = 0 [pid 316] <... prctl resumed>) = 0 [pid 314] setpgid(0, 0 [pid 313] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] setpgid(0, 0 [pid 314] <... setpgid resumed>) = 0 [pid 313] <... futex resumed>) = 0 [pid 316] <... setpgid resumed>) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 313] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 314] <... openat resumed>) = 3 [pid 313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 316] <... openat resumed>) = 3 [pid 314] write(3, "1000", 4 [pid 313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 316] write(3, "1000", 4 [pid 314] <... write resumed>) = 4 [pid 313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 316] <... write resumed>) = 4 [pid 314] close(3 [pid 313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 316] close(3 [pid 314] <... close resumed>) = 0 [pid 313] <... mmap resumed>) = 0x7f41e0a43000 [pid 312] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 316] <... close resumed>) = 0 [pid 314] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 316] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 313] <... mprotect resumed>) = 0 [pid 312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 316] <... futex resumed>) = 0 [pid 314] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 310] <... mmap resumed>) = 0x7f41e0a43000 [pid 316] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 310] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 312] <... mmap resumed>) = 0x7f41e0a43000 [pid 310] <... mprotect resumed>) = 0 [pid 316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 312] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 313] <... clone3 resumed> => {parent_tid=[317]}, 88) = 317 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 314] <... mmap resumed>) = 0x7f41e0a43000 [pid 313] rt_sigprocmask(SIG_SETMASK, [], [pid 312] <... mprotect resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 316] <... mmap resumed>) = 0x7f41e0a43000 [pid 314] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 316] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 314] <... mprotect resumed>) = 0 [pid 313] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 316] <... mprotect resumed>) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 313] <... futex resumed>) = 0 [ 39.208845][ T28] audit: type=1400 audit(1710677718.858:67): avc: denied { read write } for pid=307 comm="syz-executor328" name="loop1" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 39.244217][ T28] audit: type=1400 audit(1710677718.858:68): avc: denied { open } for pid=307 comm="syz-executor328" path="/dev/loop1" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 318 attached ./strace-static-x86_64: Process 317 attached [pid 316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 313] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... clone3 resumed> => {parent_tid=[318]}, 88) = 318 [pid 316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 314] <... clone3 resumed> => {parent_tid=[320]}, 88) = 320 [pid 316] <... clone3 resumed> => {parent_tid=[321]}, 88) = 321 [pid 314] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 319 attached [pid 316] rt_sigprocmask(SIG_SETMASK, [], [pid 314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 319] set_robust_list(0x7f41e0a639a0, 24 [pid 316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 314] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] <... set_robust_list resumed>) = 0 [pid 316] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], [pid 316] <... futex resumed>) = 0 [pid 314] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 316] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 320] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 320] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 314] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 321 attached [pid 318] set_robust_list(0x7f41e0a639a0, 24 [pid 317] set_robust_list(0x7f41e0a639a0, 24 [pid 314] <... futex resumed>) = 0 [pid 312] <... clone3 resumed> => {parent_tid=[319]}, 88) = 319 [pid 310] rt_sigprocmask(SIG_SETMASK, [], [pid 314] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] set_robust_list(0x7f41e0a639a0, 24 [pid 318] <... set_robust_list resumed>) = 0 [pid 317] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], [pid 310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 321] <... set_robust_list resumed>) = 0 [pid 318] rt_sigprocmask(SIG_SETMASK, [], [pid 317] rt_sigprocmask(SIG_SETMASK, [], [pid 312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 310] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 321] rt_sigprocmask(SIG_SETMASK, [], [pid 318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 312] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 0 [pid 321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 318] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 319] <... futex resumed>) = 0 [pid 317] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 312] <... futex resumed>) = 1 [pid 321] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 318] <... openat resumed>) = 3 [pid 310] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 312] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... openat resumed>) = 3 [pid 319] <... openat resumed>) = 3 [pid 318] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... openat resumed>) = 3 [pid 321] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 319] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... futex resumed>) = 1 [pid 317] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 0 [pid 321] <... futex resumed>) = 1 [pid 319] <... futex resumed>) = 1 [pid 318] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] <... futex resumed>) = 0 [pid 316] <... futex resumed>) = 0 [pid 313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 312] <... futex resumed>) = 0 [pid 310] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 321] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 319] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 317] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 316] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 0 [pid 321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 318] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 316] <... futex resumed>) = 0 [pid 313] <... futex resumed>) = 0 [pid 312] <... futex resumed>) = 0 [pid 310] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 319] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 317] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [ 39.293984][ T28] audit: type=1400 audit(1710677718.868:69): avc: denied { ioctl } for pid=306 comm="syz-executor328" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 39.305499][ T320] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [pid 316] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 320] <... write resumed>) = 4096 [pid 320] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 320] <... futex resumed>) = 1 [pid 320] memfd_create("syzkaller", 0) = 4 [pid 320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 320] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 320] munmap(0x7f41d8643000, 138412032) = 0 [pid 320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5 [pid 320] ioctl(5, LOOP_SET_FD, 4 [pid 318] <... write resumed>) = 4096 [pid 320] <... ioctl resumed>) = 0 [pid 320] close(4) = 0 [pid 320] close(5) = 0 [pid 320] mkdir("./file0", 0777 [pid 318] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 0 [pid 318] <... futex resumed>) = 1 [pid 310] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] memfd_create("syzkaller", 0 [pid 310] <... futex resumed>) = 0 [pid 310] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 318] <... memfd_create resumed>) = 4 [pid 318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [ 39.352379][ T318] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 39.368812][ T321] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 39.370106][ T320] loop4: detected capacity change from 0 to 512 [pid 320] <... mkdir resumed>) = 0 [pid 320] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 316] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... futex resumed>) = 0 [pid 313] <... futex resumed>) = 0 [pid 312] <... futex resumed>) = 0 [pid 316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 316] <... mmap resumed>) = 0x7f41e0a22000 [pid 313] <... mmap resumed>) = 0x7f41e0a22000 [pid 312] <... mmap resumed>) = 0x7f41e0a22000 [pid 316] mprotect(0x7f41e0a23000, 131072, PROT_READ|PROT_WRITE [pid 313] mprotect(0x7f41e0a23000, 131072, PROT_READ|PROT_WRITE [pid 312] mprotect(0x7f41e0a23000, 131072, PROT_READ|PROT_WRITE [pid 316] <... mprotect resumed>) = 0 [pid 313] <... mprotect resumed>) = 0 [pid 312] <... mprotect resumed>) = 0 [pid 316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 321] <... write resumed>) = 4096 [pid 316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a42990, parent_tid=0x7f41e0a42990, exit_signal=0, stack=0x7f41e0a22000, stack_size=0x20300, tls=0x7f41e0a426c0} [pid 313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a42990, parent_tid=0x7f41e0a42990, exit_signal=0, stack=0x7f41e0a22000, stack_size=0x20300, tls=0x7f41e0a426c0} [pid 312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a42990, parent_tid=0x7f41e0a42990, exit_signal=0, stack=0x7f41e0a22000, stack_size=0x20300, tls=0x7f41e0a426c0} [pid 321] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 316] <... clone3 resumed> => {parent_tid=[322]}, 88) = 322 [pid 313] <... clone3 resumed> => {parent_tid=[323]}, 88) = 323 [pid 312] <... clone3 resumed> => {parent_tid=[324]}, 88) = 324 [pid 321] <... futex resumed>) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], [pid 313] rt_sigprocmask(SIG_SETMASK, [], [pid 312] rt_sigprocmask(SIG_SETMASK, [], [pid 321] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 316] futex(0x7f41e0b2d6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] futex(0x7f41e0b2d6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] futex(0x7f41e0b2d6d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... futex resumed>) = 0 [pid 313] <... futex resumed>) = 0 [pid 312] <... futex resumed>) = 0 ./strace-static-x86_64: Process 324 attached [pid 316] futex(0x7f41e0b2d6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 313] futex(0x7f41e0b2d6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 312] futex(0x7f41e0b2d6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 322 attached [pid 324] set_robust_list(0x7f41e0a429a0, 24) = 0 [pid 322] set_robust_list(0x7f41e0a429a0, 24 [pid 324] rt_sigprocmask(SIG_SETMASK, [], [pid 322] <... set_robust_list resumed>) = 0 [pid 324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], [pid 318] <... write resumed>) = 262144 [pid 324] memfd_create("syzkaller", 0 [pid 322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 324] <... memfd_create resumed>) = 4 [pid 318] munmap(0x7f41d8643000, 138412032 [pid 324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 322] memfd_create("syzkaller", 0 [pid 324] <... mmap resumed>) = 0x7f41d8622000 [pid 322] <... memfd_create resumed>) = 4 [pid 318] <... munmap resumed>) = 0 [pid 324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 323 attached ) = 0x7f41d8622000 [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 323] set_robust_list(0x7f41e0a429a0, 24 [pid 322] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 318] <... openat resumed>) = 5 [pid 323] <... set_robust_list resumed>) = 0 [pid 318] ioctl(5, LOOP_SET_FD, 4 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] <... write resumed>) = 262144 [pid 324] <... write resumed>) = 262144 [pid 323] memfd_create("syzkaller", 0 [pid 324] munmap(0x7f41d8622000, 138412032 [pid 322] munmap(0x7f41d8622000, 138412032 [pid 323] <... memfd_create resumed>) = 4 [pid 322] <... munmap resumed>) = 0 [pid 324] <... munmap resumed>) = 0 [pid 322] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 324] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 322] <... openat resumed>) = 5 [pid 324] <... openat resumed>) = 5 [pid 323] <... mmap resumed>) = 0x7f41d8622000 [ 39.393473][ T28] audit: type=1400 audit(1710677719.038:70): avc: denied { mounton } for pid=314 comm="syz-executor328" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.442412][ T318] loop0: detected capacity change from 0 to 512 [pid 322] ioctl(5, LOOP_SET_FD, 4 [pid 324] ioctl(5, LOOP_SET_FD, 4 [pid 323] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 318] <... ioctl resumed>) = 0 [pid 323] munmap(0x7f41d8622000, 138412032 [pid 318] close(4 [pid 322] <... ioctl resumed>) = 0 [pid 323] <... munmap resumed>) = 0 [pid 319] <... write resumed>) = 4096 [pid 319] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] <... close resumed>) = 0 [pid 317] <... write resumed>) = 4096 [pid 319] <... futex resumed>) = 0 [pid 317] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 319] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 318] close(5 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 323] <... openat resumed>) = 5 [pid 318] <... close resumed>) = 0 [pid 323] ioctl(5, LOOP_SET_FD, 4 [pid 318] mkdir("./file0", 0777 [pid 322] close(4) = 0 [pid 322] close(5) = 0 [pid 322] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 322] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 324] <... ioctl resumed>) = 0 [pid 324] close(4) = 0 [pid 324] close(5) = 0 [pid 324] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 324] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 318] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 323] <... ioctl resumed>) = 0 [pid 323] close(4) = 0 [pid 323] close(5) = 0 [pid 323] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 39.455648][ T322] loop3: detected capacity change from 0 to 512 [ 39.462808][ T324] loop1: detected capacity change from 0 to 512 [ 39.477562][ T323] loop2: detected capacity change from 0 to 512 [ 39.522294][ T318] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 39.524510][ T322] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 39.540946][ T324] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [pid 323] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 322] <... mount resumed>) = 0 [pid 322] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 4 [pid 322] chdir("./file0") = 0 [pid 318] <... mount resumed>) = 0 [pid 322] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 322] <... openat resumed>) = 5 [pid 318] <... openat resumed>) = 4 [pid 322] ioctl(5, LOOP_CLR_FD [pid 318] chdir("./file0" [pid 322] <... ioctl resumed>) = 0 [pid 318] <... chdir resumed>) = 0 [pid 322] close(5 [ 39.552996][ T28] audit: type=1400 audit(1710677719.198:71): avc: denied { mount } for pid=316 comm="syz-executor328" name="/" dev="loop3" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 39.553089][ T322] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [ 39.580585][ T318] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [ 39.586844][ T324] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 322] <... close resumed>) = 0 [pid 318] <... openat resumed>) = 5 [pid 323] <... mount resumed>) = 0 [pid 323] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 4 [pid 323] chdir("./file0" [pid 322] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 318] ioctl(5, LOOP_CLR_FD [pid 322] <... futex resumed>) = 1 [pid 318] <... ioctl resumed>) = 0 [pid 316] <... futex resumed>) = 0 [pid 316] exit_group(0 [pid 322] futex(0x7f41e0b2d6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 318] close(5 [pid 316] <... exit_group resumed>) = ? [pid 322] <... futex resumed>) = ? [pid 318] <... close resumed>) = 0 [pid 321] <... futex resumed>) = ? [pid 322] +++ exited with 0 +++ [pid 323] <... chdir resumed>) = 0 [pid 323] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 323] ioctl(5, LOOP_CLR_FD [pid 321] +++ exited with 0 +++ [pid 318] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] +++ exited with 0 +++ [pid 318] <... futex resumed>) = 1 [pid 310] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 318] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 310] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 318] <... futex resumed>) = ? [pid 310] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 318] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3 [pid 310] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 338 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 306] ioctl(3, LOOP_CLR_FD) = 0 [pid 306] close(3) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 323] <... ioctl resumed>) = 0 [pid 323] close(5 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 339 [pid 323] <... close resumed>) = 0 [pid 323] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] <... futex resumed>) = 0 [pid 323] futex(0x7f41e0b2d6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] exit_group(0 [pid 323] <... futex resumed>) = ? [pid 317] <... futex resumed>) = ? [pid 313] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 339 attached [pid 323] +++ exited with 0 +++ [pid 317] +++ exited with 0 +++ [pid 313] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 338 attached [pid 339] set_robust_list(0x55555610b6a0, 24) = 0 [pid 338] set_robust_list(0x55555610b6a0, 24 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 338] <... set_robust_list resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 339] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 339] setpgid(0, 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 339] <... setpgid resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] close(3 [pid 339] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 339] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 339] <... write resumed>) = 4 [pid 339] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 340 [pid 339] <... close resumed>) = 0 [pid 339] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 339] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 338] <... prctl resumed>) = 0 [pid 339] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 338] setpgid(0, 0 [pid 339] <... mprotect resumed>) = 0 [pid 339] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[341]}, 88) = 341 ./strace-static-x86_64: Process 340 attached [pid 339] rt_sigprocmask(SIG_SETMASK, [], [pid 340] set_robust_list(0x55555610b6a0, 24 [pid 339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 340] <... set_robust_list resumed>) = 0 [pid 339] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 339] <... futex resumed>) = 0 [pid 340] <... prctl resumed>) = 0 [pid 339] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] setpgid(0, 0) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3 [pid 338] <... setpgid resumed>) = 0 [pid 340] <... close resumed>) = 0 [pid 340] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 340] <... futex resumed>) = 0 [pid 340] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 338] <... openat resumed>) = 3 [pid 340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 338] write(3, "1000", 4 [pid 340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 338] <... write resumed>) = 4 [pid 340] <... mmap resumed>) = 0x7f41e0a43000 [pid 338] close(3 [pid 340] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 338] <... close resumed>) = 0 [pid 324] <... mount resumed>) = 0 [pid 340] <... mprotect resumed>) = 0 [pid 338] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 338] <... futex resumed>) = 0 [pid 340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 338] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 340] <... clone3 resumed> => {parent_tid=[342]}, 88) = 342 [pid 338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 324] <... openat resumed>) = 4 [pid 340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 338] <... mmap resumed>) = 0x7f41e0a43000 [pid 324] chdir("./file0"./strace-static-x86_64: Process 341 attached [pid 340] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 340] <... futex resumed>) = 0 [pid 338] <... mprotect resumed>) = 0 [pid 341] set_robust_list(0x7f41e0a639a0, 24 [pid 340] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... chdir resumed>) = 0 [pid 341] <... set_robust_list resumed>) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [ 39.616971][ T323] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 39.626176][ T323] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038 (0x7fffffff) [pid 324] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 341] rt_sigprocmask(SIG_SETMASK, [], [pid 338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 324] <... openat resumed>) = 5 [pid 324] ioctl(5, LOOP_CLR_FD [pid 341] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 338] <... clone3 resumed> => {parent_tid=[343]}, 88) = 343 [pid 338] rt_sigprocmask(SIG_SETMASK, [], [pid 324] <... ioctl resumed>) = 0 [pid 341] <... openat resumed>) = 3 [pid 338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 324] close(5 [pid 338] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 339] <... futex resumed>) = 0 [pid 338] <... futex resumed>) = 0 [pid 324] <... close resumed>) = 0 ./strace-static-x86_64: Process 342 attached [pid 341] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 339] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] futex(0x7f41e0b2d6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] set_robust_list(0x7f41e0a639a0, 24 [pid 339] <... futex resumed>) = 0 [pid 342] <... set_robust_list resumed>) = 0 [pid 339] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 342] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 340] <... futex resumed>) = 0 [pid 342] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 340] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 340] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 343] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] <... futex resumed>) = 0 [pid 342] <... write resumed>) = 4096 [pid 341] <... write resumed>) = 4096 [pid 338] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 324] <... futex resumed>) = 1 [pid 312] <... futex resumed>) = 0 [pid 343] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 342] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 312] exit_group(0 [pid 343] <... write resumed>) = 4096 [pid 342] <... futex resumed>) = 1 [pid 341] <... futex resumed>) = 1 [pid 340] <... futex resumed>) = 0 [pid 339] <... futex resumed>) = 0 [pid 338] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 319] <... futex resumed>) = ? [pid 312] <... exit_group resumed>) = ? [pid 343] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 341] memfd_create("syzkaller", 0 [pid 340] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 339] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 324] +++ exited with 0 +++ [pid 319] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ [pid 343] <... futex resumed>) = 0 [pid 342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 341] <... memfd_create resumed>) = 4 [pid 340] <... futex resumed>) = 0 [pid 339] <... futex resumed>) = 0 [pid 338] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 343] memfd_create("syzkaller", 0 [pid 342] memfd_create("syzkaller", 0 [pid 341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 340] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 339] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 338] <... futex resumed>) = 0 [pid 343] <... memfd_create resumed>) = 4 [pid 342] <... memfd_create resumed>) = 4 [pid 341] <... mmap resumed>) = 0x7f41d8643000 [pid 338] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 341] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 343] <... mmap resumed>) = 0x7f41d8643000 [pid 342] <... mmap resumed>) = 0x7f41d8643000 [pid 341] <... write resumed>) = 262144 [pid 341] munmap(0x7f41d8643000, 138412032) = 0 [pid 341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 342] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 341] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 341] ioctl(5, LOOP_CLR_FD) = 0 [pid 341] ioctl(5, LOOP_SET_FD, 4 [pid 343] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 341] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... openat resumed>) = 3 [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 307] close(3 [pid 341] close(5 [pid 307] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 341] <... close resumed>) = 0 [pid 341] close(4 [pid 343] <... write resumed>) = 262144 [pid 341] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 344 [pid 341] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 339] <... futex resumed>) = 0 [pid 343] munmap(0x7f41d8643000, 138412032 [pid 342] <... write resumed>) = 262144 [pid 341] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 339] exit_group(0 [pid 341] <... futex resumed>) = ? [pid 339] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 344 attached [pid 343] <... munmap resumed>) = 0 [pid 342] munmap(0x7f41d8643000, 138412032 [pid 341] +++ exited with 0 +++ [pid 339] +++ exited with 0 +++ [pid 343] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 342] <... munmap resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 344] set_robust_list(0x55555610b6a0, 24 [pid 343] ioctl(5, LOOP_SET_FD, 4 [pid 342] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 343] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 [pid 344] <... set_robust_list resumed>) = 0 [pid 343] ioctl(5, LOOP_CLR_FD [pid 342] <... openat resumed>) = 5 [pid 343] <... ioctl resumed>) = 0 [pid 342] ioctl(5, LOOP_SET_FD, 4 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 342] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 344] <... prctl resumed>) = 0 [pid 342] ioctl(5, LOOP_CLR_FD [pid 344] setpgid(0, 0 [pid 342] <... ioctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 344] <... setpgid resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 343] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... ioctl resumed>) = 0 [pid 344] <... openat resumed>) = 3 [pid 343] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] close(3 [pid 344] write(3, "1000", 4 [pid 343] close(5 [pid 344] <... write resumed>) = 4 [pid 343] <... close resumed>) = 0 [pid 342] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... close resumed>) = 0 [pid 344] close(3 [pid 343] close(4 [pid 342] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 344] <... close resumed>) = 0 [pid 342] close(5 [pid 344] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 343] <... close resumed>) = 0 [pid 342] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 345 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 343] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] close(4 [pid 344] <... rt_sigaction resumed>NULL, 8) = 0 [pid 343] <... futex resumed>) = 1 [pid 338] <... futex resumed>) = 0 [pid 338] exit_group(0) = ? [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 342] <... close resumed>) = 0 [pid 344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 343] +++ exited with 0 +++ [pid 342] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] +++ exited with 0 +++ [pid 344] <... mmap resumed>) = 0x7f41e0a43000 [pid 342] <... futex resumed>) = 1 [pid 340] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 344] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 342] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 340] exit_group(0 [pid 344] <... mprotect resumed>) = 0 [pid 342] <... futex resumed>) = ? [pid 340] <... exit_group resumed>) = ? [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 342] +++ exited with 0 +++ ./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x55555610b6a0, 24 [pid 340] +++ exited with 0 +++ [pid 345] <... set_robust_list resumed>) = 0 [pid 344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 309] <... openat resumed>) = 3 [pid 345] <... prctl resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 345] setpgid(0, 0 [pid 344] <... clone3 resumed> => {parent_tid=[346]}, 88) = 346 [pid 309] <... ioctl resumed>) = 0 [pid 345] <... setpgid resumed>) = 0 [pid 344] rt_sigprocmask(SIG_SETMASK, [], [pid 309] close(3 [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 345] <... openat resumed>) = 3 [pid 344] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 345] write(3, "1000", 4 [pid 344] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 345] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 3 [pid 345] close(3 [pid 344] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] ioctl(3, LOOP_CLR_FD [pid 345] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 347 [pid 308] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 346 attached [pid 345] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] close(3./strace-static-x86_64: Process 347 attached [pid 346] set_robust_list(0x7f41e0a639a0, 24 [pid 345] <... futex resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 347] set_robust_list(0x55555610b6a0, 24 [pid 346] <... set_robust_list resumed>) = 0 [pid 345] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 347] <... set_robust_list resumed>) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], [pid 345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 348 [pid 347] <... prctl resumed>) = 0 [pid 346] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 347] setpgid(0, 0 [pid 346] <... openat resumed>) = 3 [pid 345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 347] <... setpgid resumed>) = 0 [pid 346] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 345] <... mmap resumed>) = 0x7f41e0a43000 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 346] <... futex resumed>) = 1 [pid 345] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 344] <... futex resumed>) = 0 [pid 347] <... openat resumed>) = 3 [pid 346] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] <... mprotect resumed>) = 0 [pid 344] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] write(3, "1000", 4 [pid 346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 344] <... futex resumed>) = 0 ./strace-static-x86_64: Process 348 attached [pid 347] <... write resumed>) = 4 [pid 346] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 344] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] set_robust_list(0x55555610b6a0, 24 [pid 347] close(3 [pid 346] <... write resumed>) = 4096 [pid 345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 348] <... set_robust_list resumed>) = 0 [pid 347] <... close resumed>) = 0 [pid 346] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 347] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... futex resumed>) = 1 [pid 345] <... clone3 resumed> => {parent_tid=[349]}, 88) = 349 [pid 344] <... futex resumed>) = 0 [pid 348] <... prctl resumed>) = 0 [pid 347] <... futex resumed>) = 0 [pid 346] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 345] rt_sigprocmask(SIG_SETMASK, [], [pid 344] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 349 attached [pid 348] setpgid(0, 0 [pid 347] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 344] <... futex resumed>) = 0 [pid 349] set_robust_list(0x7f41e0a639a0, 24 [pid 348] <... setpgid resumed>) = 0 [pid 347] <... rt_sigaction resumed>NULL, 8) = 0 [pid 346] memfd_create("syzkaller", 0 [pid 345] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 349] <... set_robust_list resumed>) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 346] <... memfd_create resumed>) = 4 [pid 345] <... futex resumed>) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], [pid 348] <... openat resumed>) = 3 [pid 347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 345] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 348] write(3, "1000", 4 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 346] <... mmap resumed>) = 0x7f41d8643000 [pid 349] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 348] <... write resumed>) = 4 [pid 347] <... mmap resumed>) = 0x7f41e0a43000 [pid 348] close(3) = 0 [pid 348] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 348] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 347] <... mprotect resumed>) = 0 [pid 348] <... rt_sigaction resumed>NULL, 8) = 0 [pid 348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 349] <... openat resumed>) = 3 [pid 349] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 346] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 349] <... futex resumed>) = 1 [pid 348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 345] <... futex resumed>) = 0 [pid 348] <... mmap resumed>) = 0x7f41e0a43000 [pid 345] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 345] <... futex resumed>) = 0 [pid 349] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 348] <... mprotect resumed>) = 0 [pid 346] <... write resumed>) = 262144 [pid 345] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 349] <... write resumed>) = 4096 [pid 348] rt_sigprocmask(SIG_BLOCK, ~[], [pid 346] munmap(0x7f41d8643000, 138412032 [pid 349] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... rt_sigprocmask resumed>[], 8) = 0 [pid 347] <... clone3 resumed> => {parent_tid=[350]}, 88) = 350 [pid 349] <... futex resumed>) = 1 [pid 348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 347] rt_sigprocmask(SIG_SETMASK, [], [pid 346] <... munmap resumed>) = 0 [pid 345] <... futex resumed>) = 0 [pid 349] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 346] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 345] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 350 attached [pid 349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 348] <... clone3 resumed> => {parent_tid=[351]}, 88) = 351 [pid 347] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... openat resumed>) = 5 [pid 345] <... futex resumed>) = 0 [pid 350] set_robust_list(0x7f41e0a639a0, 24 [pid 349] memfd_create("syzkaller", 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [], [pid 347] <... futex resumed>) = 0 [pid 346] ioctl(5, LOOP_SET_FD, 4 [pid 345] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 350] <... set_robust_list resumed>) = 0 [pid 349] <... memfd_create resumed>) = 4 [pid 348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 347] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 351 attached [pid 350] rt_sigprocmask(SIG_SETMASK, [], [pid 349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 348] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] ioctl(5, LOOP_CLR_FD [pid 351] set_robust_list(0x7f41e0a639a0, 24 [pid 350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 349] <... mmap resumed>) = 0x7f41d8643000 [pid 348] <... futex resumed>) = 0 [pid 346] <... ioctl resumed>) = 0 [pid 351] <... set_robust_list resumed>) = 0 [pid 350] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 348] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 351] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] <... futex resumed>) = 0 [pid 351] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 349] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 348] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... write resumed>) = 4096 [pid 350] <... openat resumed>) = 3 [pid 348] <... futex resumed>) = 0 [pid 351] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = 0 [pid 350] <... futex resumed>) = 1 [pid 348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 347] <... futex resumed>) = 0 [pid 351] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] <... write resumed>) = 262144 [pid 348] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] ioctl(5, LOOP_SET_FD, 4 [pid 351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 349] munmap(0x7f41d8643000, 138412032 [pid 348] <... futex resumed>) = 0 [pid 347] <... futex resumed>) = 0 [pid 346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 351] memfd_create("syzkaller", 0 [pid 350] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 348] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 347] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 346] close(5 [pid 351] <... memfd_create resumed>) = 4 [pid 350] <... write resumed>) = 4096 [pid 349] <... munmap resumed>) = 0 [pid 346] <... close resumed>) = 0 [pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 350] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 346] close(4 [pid 351] <... mmap resumed>) = 0x7f41d8643000 [pid 350] <... futex resumed>) = 1 [pid 347] <... futex resumed>) = 0 [pid 351] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 350] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 349] <... openat resumed>) = 5 [pid 347] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 346] <... close resumed>) = 0 [pid 351] <... write resumed>) = 262144 [pid 350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 349] ioctl(5, LOOP_SET_FD, 4 [pid 347] <... futex resumed>) = 0 [pid 346] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] memfd_create("syzkaller", 0 [pid 349] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 347] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 346] <... futex resumed>) = 1 [pid 344] <... futex resumed>) = 0 [pid 351] munmap(0x7f41d8643000, 138412032 [pid 350] <... memfd_create resumed>) = 4 [pid 349] ioctl(5, LOOP_CLR_FD [pid 346] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 344] exit_group(0 [pid 351] <... munmap resumed>) = 0 [pid 350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 349] <... ioctl resumed>) = 0 [pid 346] <... futex resumed>) = ? [pid 344] <... exit_group resumed>) = ? [pid 351] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 350] <... mmap resumed>) = 0x7f41d8643000 [pid 346] +++ exited with 0 +++ [pid 351] <... openat resumed>) = 5 [pid 351] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 351] ioctl(5, LOOP_CLR_FD [pid 344] +++ exited with 0 +++ [pid 351] <... ioctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 351] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 351] close(5) = 0 [pid 351] close(4 [pid 350] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 349] ioctl(5, LOOP_SET_FD, 4 [pid 351] <... close resumed>) = 0 [pid 349] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 351] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 349] close(5 [pid 351] <... futex resumed>) = 1 [pid 350] <... write resumed>) = 262144 [pid 349] <... close resumed>) = 0 [pid 348] <... futex resumed>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 351] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] munmap(0x7f41d8643000, 138412032 [pid 349] close(4 [pid 307] <... openat resumed>) = 3 [pid 350] <... munmap resumed>) = 0 [pid 349] <... close resumed>) = 0 [pid 348] exit_group(0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 351] <... futex resumed>) = ? [pid 350] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 349] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... exit_group resumed>) = ? [pid 307] <... ioctl resumed>) = 0 [pid 351] +++ exited with 0 +++ [pid 350] <... openat resumed>) = 5 [pid 349] <... futex resumed>) = 1 [pid 307] close(3 [pid 350] ioctl(5, LOOP_SET_FD, 4 [pid 349] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] <... close resumed>) = 0 [pid 350] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 350] ioctl(5, LOOP_CLR_FD [pid 345] <... futex resumed>) = 0 [pid 350] <... ioctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 352 [pid 348] +++ exited with 0 +++ [pid 345] exit_group(0 [pid 349] <... futex resumed>) = ? [pid 345] <... exit_group resumed>) = ? [pid 349] +++ exited with 0 +++ [pid 350] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 350] close(5) = 0 [pid 350] close(4) = 0 [pid 345] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 350] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 350] <... futex resumed>) = 1 [pid 347] <... futex resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 350] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] exit_group(0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 350] <... futex resumed>) = ? [pid 347] <... exit_group resumed>) = ? [pid 308] <... ioctl resumed>) = 0 [pid 350] +++ exited with 0 +++ [pid 347] +++ exited with 0 +++ [pid 308] close(3./strace-static-x86_64: Process 352 attached ) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] <... ioctl resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 306] close(3 [pid 309] close(3 [pid 306] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 353 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 352] set_robust_list(0x55555610b6a0, 24 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 353 attached [pid 352] <... set_robust_list resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 354 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 355 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 353] set_robust_list(0x55555610b6a0, 24 [pid 352] <... prctl resumed>) = 0 [pid 353] <... set_robust_list resumed>) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 352] setpgid(0, 0) = 0 [pid 353] <... prctl resumed>) = 0 [pid 353] setpgid(0, 0) = 0 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 352] <... openat resumed>) = 3 [pid 353] <... openat resumed>) = 3 [pid 353] write(3, "1000", 4 [pid 352] write(3, "1000", 4 [pid 353] <... write resumed>) = 4 [pid 352] <... write resumed>) = 4 [pid 353] close(3) = 0 [pid 352] close(3 [pid 353] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 352] <... close resumed>) = 0 [pid 353] <... futex resumed>) = 0 [pid 352] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 352] <... futex resumed>) = 0 [pid 353] <... rt_sigaction resumed>NULL, 8) = 0 [pid 353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 352] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, ./strace-static-x86_64: Process 354 attached [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 352] <... rt_sigaction resumed>NULL, 8) = 0 [pid 353] <... mmap resumed>) = 0x7f41e0a43000 [pid 352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 353] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 354] set_robust_list(0x55555610b6a0, 24 [pid 353] <... mprotect resumed>) = 0 [pid 352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 354] <... set_robust_list resumed>) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 352] <... mmap resumed>) = 0x7f41e0a43000 [pid 353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 352] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 352] <... mprotect resumed>) = 0 [pid 353] <... clone3 resumed> => {parent_tid=[356]}, 88) = 356 [pid 352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 354] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 355 attached [pid 353] rt_sigprocmask(SIG_SETMASK, [], [pid 352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 355] set_robust_list(0x55555610b6a0, 24 [pid 354] setpgid(0, 0 [pid 353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 355] <... set_robust_list resumed>) = 0 [pid 353] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 354] <... setpgid resumed>) = 0 [pid 353] <... futex resumed>) = 0 [pid 355] <... prctl resumed>) = 0 [pid 353] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 352] <... clone3 resumed> => {parent_tid=[357]}, 88) = 357 [pid 355] setpgid(0, 0 [pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 352] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 356 attached [pid 355] <... setpgid resumed>) = 0 [pid 352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 354] <... openat resumed>) = 3 [pid 356] set_robust_list(0x7f41e0a639a0, 24 [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 352] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... set_robust_list resumed>) = 0 [pid 355] <... openat resumed>) = 3 [pid 354] write(3, "1000", 4 [pid 352] <... futex resumed>) = 0 [pid 356] rt_sigprocmask(SIG_SETMASK, [], [pid 355] write(3, "1000", 4 [pid 354] <... write resumed>) = 4 [pid 352] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 355] <... write resumed>) = 4 [pid 354] close(3 [pid 356] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 355] close(3 [pid 356] <... openat resumed>) = 3 [pid 355] <... close resumed>) = 0 [pid 354] <... close resumed>) = 0 ./strace-static-x86_64: Process 357 attached [pid 356] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 0 [pid 353] <... futex resumed>) = 0 [pid 357] set_robust_list(0x7f41e0a639a0, 24 [pid 356] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 354] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 353] <... futex resumed>) = 0 [pid 357] <... set_robust_list resumed>) = 0 [pid 356] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 354] <... futex resumed>) = 0 [pid 353] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] rt_sigprocmask(SIG_SETMASK, [], [pid 356] <... write resumed>) = 4096 [pid 355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 356] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 354] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 357] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 356] <... futex resumed>) = 1 [pid 355] <... mmap resumed>) = 0x7f41e0a43000 [pid 354] <... rt_sigaction resumed>NULL, 8) = 0 [pid 353] <... futex resumed>) = 0 [pid 357] <... openat resumed>) = 3 [pid 356] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 353] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] <... mprotect resumed>) = 0 [pid 354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 353] <... futex resumed>) = 0 [pid 357] <... futex resumed>) = 1 [pid 356] memfd_create("syzkaller", 0 [pid 355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 352] <... futex resumed>) = 0 [pid 357] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 354] <... mmap resumed>) = 0x7f41e0a43000 [pid 352] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 354] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 352] <... futex resumed>) = 0 [pid 357] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 354] <... mprotect resumed>) = 0 [pid 352] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] <... memfd_create resumed>) = 4 [pid 355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 357] <... write resumed>) = 4096 [pid 354] rt_sigprocmask(SIG_BLOCK, ~[], [pid 353] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 357] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 354] <... rt_sigprocmask resumed>[], 8) = 0 [pid 357] <... futex resumed>) = 1 [pid 356] <... mmap resumed>) = 0x7f41d8643000 [pid 354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 352] <... futex resumed>) = 0 [pid 357] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 355] <... clone3 resumed> => {parent_tid=[358]}, 88) = 358 [pid 352] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 358 attached [pid 357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 355] rt_sigprocmask(SIG_SETMASK, [], [pid 354] <... clone3 resumed> => {parent_tid=[359]}, 88) = 359 [pid 352] <... futex resumed>) = 0 ./strace-static-x86_64: Process 359 attached [pid 358] set_robust_list(0x7f41e0a639a0, 24 [pid 357] memfd_create("syzkaller", 0 [pid 356] <... write resumed>) = 262144 [pid 355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 354] rt_sigprocmask(SIG_SETMASK, [], [pid 352] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 359] set_robust_list(0x7f41e0a639a0, 24 [pid 358] <... set_robust_list resumed>) = 0 [pid 357] <... memfd_create resumed>) = 4 [pid 355] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 359] <... set_robust_list resumed>) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], [pid 357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 355] <... futex resumed>) = 0 [pid 354] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] rt_sigprocmask(SIG_SETMASK, [], [pid 358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 357] <... mmap resumed>) = 0x7f41d8643000 [pid 356] munmap(0x7f41d8643000, 138412032 [pid 355] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... futex resumed>) = 0 [pid 356] <... munmap resumed>) = 0 [pid 354] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 356] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 356] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 357] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 356] ioctl(5, LOOP_CLR_FD [pid 359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 358] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 356] <... ioctl resumed>) = 0 [pid 359] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 358] <... openat resumed>) = 3 [pid 359] <... openat resumed>) = 3 [pid 358] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... futex resumed>) = 1 [pid 356] ioctl(5, LOOP_SET_FD, 4 [pid 355] <... futex resumed>) = 0 [pid 359] <... futex resumed>) = 1 [pid 358] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] <... write resumed>) = 262144 [pid 356] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 355] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 359] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 356] close(5 [pid 355] <... futex resumed>) = 0 [pid 356] <... close resumed>) = 0 [pid 355] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 358] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 356] close(4 [pid 354] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 358] <... write resumed>) = 4096 [pid 357] munmap(0x7f41d8643000, 138412032 [pid 356] <... close resumed>) = 0 [pid 354] <... futex resumed>) = 0 [pid 359] <... write resumed>) = 4096 [pid 358] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 357] <... munmap resumed>) = 0 [pid 356] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 359] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... futex resumed>) = 1 [pid 357] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 356] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 0 [pid 354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 353] <... futex resumed>) = 0 [pid 359] <... futex resumed>) = 0 [pid 358] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] <... openat resumed>) = 5 [pid 356] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] exit_group(0 [pid 359] memfd_create("syzkaller", 0 [pid 358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 357] ioctl(5, LOOP_SET_FD, 4 [pid 356] <... futex resumed>) = ? [pid 355] <... futex resumed>) = 0 [pid 354] <... futex resumed>) = 0 [pid 353] <... exit_group resumed>) = ? [pid 359] <... memfd_create resumed>) = 4 [pid 358] memfd_create("syzkaller", 0 [pid 357] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 356] +++ exited with 0 +++ [pid 355] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 354] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 353] +++ exited with 0 +++ [pid 359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 358] <... memfd_create resumed>) = 4 [pid 357] ioctl(5, LOOP_CLR_FD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 359] <... mmap resumed>) = 0x7f41d8643000 [pid 358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 357] <... ioctl resumed>) = 0 [pid 359] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 358] <... mmap resumed>) = 0x7f41d8643000 [pid 358] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 357] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 357] close(5 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 357] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 359] <... write resumed>) = 262144 [pid 358] <... write resumed>) = 262144 [pid 357] close(4 [pid 308] ioctl(3, LOOP_CLR_FD [pid 359] munmap(0x7f41d8643000, 138412032 [pid 358] munmap(0x7f41d8643000, 138412032 [pid 357] <... close resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 359] <... munmap resumed>) = 0 [pid 358] <... munmap resumed>) = 0 [pid 308] close(3 [pid 359] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 357] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 359] <... openat resumed>) = 5 [pid 308] <... close resumed>) = 0 [pid 358] <... openat resumed>) = 5 [pid 357] <... futex resumed>) = 1 [pid 352] <... futex resumed>) = 0 [pid 359] ioctl(5, LOOP_SET_FD, 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 358] ioctl(5, LOOP_SET_FD, 4 [pid 357] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 352] exit_group(0 [pid 359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 357] <... futex resumed>) = ? [pid 352] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 360 [pid 359] ioctl(5, LOOP_CLR_FD [pid 358] ioctl(5, LOOP_CLR_FD [pid 357] +++ exited with 0 +++ [pid 352] +++ exited with 0 +++ [pid 359] <... ioctl resumed>) = 0 [pid 358] <... ioctl resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 359] ioctl(5, LOOP_SET_FD, 4 [pid 358] ioctl(5, LOOP_SET_FD, 4 [pid 359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 359] close(5 [pid 358] close(5 [pid 359] <... close resumed>) = 0 [pid 358] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 359] close(4 [pid 358] close(4 [pid 307] <... openat resumed>) = 3 [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 307] close(3 [pid 359] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 359] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 358] <... close resumed>) = 0 [pid 359] <... futex resumed>) = 1 [pid 358] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 354] <... futex resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 361 [pid 359] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 358] <... futex resumed>) = 1 [pid 355] <... futex resumed>) = 0 [pid 354] exit_group(0 [pid 359] <... futex resumed>) = ? [pid 358] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 355] exit_group(0 [pid 354] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 360 attached [pid 359] +++ exited with 0 +++ [pid 358] <... futex resumed>) = ? [pid 355] <... exit_group resumed>) = ? [pid 360] set_robust_list(0x55555610b6a0, 24 [pid 354] +++ exited with 0 +++ [pid 360] <... set_robust_list resumed>) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 361 attached [pid 360] <... prctl resumed>) = 0 [pid 358] +++ exited with 0 +++ [pid 355] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 360] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 361] set_robust_list(0x55555610b6a0, 24 [pid 360] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 361] <... set_robust_list resumed>) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 360] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 361] <... prctl resumed>) = 0 [pid 360] write(3, "1000", 4 [pid 306] <... openat resumed>) = 3 [pid 361] setpgid(0, 0 [pid 360] <... write resumed>) = 4 [pid 306] ioctl(3, LOOP_CLR_FD [pid 361] <... setpgid resumed>) = 0 [pid 360] close(3 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] <... ioctl resumed>) = 0 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 360] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] close(3 [pid 361] <... openat resumed>) = 3 [pid 360] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] <... close resumed>) = 0 [pid 361] write(3, "1000", 4 [pid 360] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 361] <... write resumed>) = 4 [pid 360] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 309] close(3 [pid 361] close(3 [pid 360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 362 ./strace-static-x86_64: Process 362 attached [pid 361] <... close resumed>) = 0 [pid 360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 362] set_robust_list(0x55555610b6a0, 24 [pid 361] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 362] <... set_robust_list resumed>) = 0 [pid 361] <... futex resumed>) = 0 [pid 360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 363 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 361] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 360] <... mmap resumed>) = 0x7f41e0a43000 [pid 362] <... prctl resumed>) = 0 [pid 361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 360] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 362] setpgid(0, 0 [pid 361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 360] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 363 attached [pid 362] <... setpgid resumed>) = 0 [pid 361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 363] set_robust_list(0x55555610b6a0, 24 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 363] <... set_robust_list resumed>) = 0 [pid 362] <... openat resumed>) = 3 [pid 361] <... mmap resumed>) = 0x7f41e0a43000 [pid 360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 362] write(3, "1000", 4 [pid 361] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 363] <... prctl resumed>) = 0 [pid 362] <... write resumed>) = 4 [pid 361] <... mprotect resumed>) = 0 [pid 360] <... clone3 resumed> => {parent_tid=[364]}, 88) = 364 [pid 363] setpgid(0, 0 [pid 362] close(3 [pid 361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 360] rt_sigprocmask(SIG_SETMASK, [], [pid 363] <... setpgid resumed>) = 0 [pid 362] <... close resumed>) = 0 [pid 361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 362] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 360] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... openat resumed>) = 3 [pid 362] <... futex resumed>) = 0 [pid 360] <... futex resumed>) = 0 ./strace-static-x86_64: Process 364 attached [pid 363] write(3, "1000", 4 [pid 362] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 361] <... clone3 resumed> => {parent_tid=[365]}, 88) = 365 [pid 360] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 364] set_robust_list(0x7f41e0a639a0, 24 [pid 363] <... write resumed>) = 4 [pid 362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], [pid 364] <... set_robust_list resumed>) = 0 [pid 363] close(3 [pid 362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], [pid 363] <... close resumed>) = 0 [pid 362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 363] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 361] <... futex resumed>) = 0 [pid 364] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 363] <... futex resumed>) = 0 [pid 362] <... mmap resumed>) = 0x7f41e0a43000 [pid 361] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 365 attached [pid 364] <... openat resumed>) = 3 [pid 363] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 362] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 365] set_robust_list(0x7f41e0a639a0, 24 [pid 364] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 362] <... mprotect resumed>) = 0 [pid 365] <... set_robust_list resumed>) = 0 [pid 364] <... futex resumed>) = 1 [pid 363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 360] <... futex resumed>) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [], [pid 364] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 360] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 360] <... futex resumed>) = 0 [pid 365] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 364] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 363] <... mmap resumed>) = 0x7f41e0a43000 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 360] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 365] <... openat resumed>) = 3 [pid 364] <... write resumed>) = 4096 [pid 363] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 366 attached [pid 365] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 363] <... mprotect resumed>) = 0 [pid 362] <... clone3 resumed> => {parent_tid=[366]}, 88) = 366 [pid 366] set_robust_list(0x7f41e0a639a0, 24 [pid 365] <... futex resumed>) = 1 [pid 364] <... futex resumed>) = 1 [pid 363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 362] rt_sigprocmask(SIG_SETMASK, [], [pid 361] <... futex resumed>) = 0 [pid 360] <... futex resumed>) = 0 [pid 366] <... set_robust_list resumed>) = 0 [pid 365] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 360] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] rt_sigprocmask(SIG_SETMASK, [], [pid 365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 362] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] <... futex resumed>) = 0 [pid 360] <... futex resumed>) = 0 [pid 366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 365] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 364] memfd_create("syzkaller", 0 [pid 362] <... futex resumed>) = 0 [pid 361] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 367 attached [pid 366] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 365] <... write resumed>) = 4096 [pid 364] <... memfd_create resumed>) = 4 [pid 363] <... clone3 resumed> => {parent_tid=[367]}, 88) = 367 [pid 362] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] set_robust_list(0x7f41e0a639a0, 24 [pid 366] <... openat resumed>) = 3 [pid 365] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [], [pid 367] <... set_robust_list resumed>) = 0 [pid 366] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 1 [pid 364] <... mmap resumed>) = 0x7f41d8643000 [pid 363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 361] <... futex resumed>) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], [pid 366] <... futex resumed>) = 1 [pid 365] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] <... futex resumed>) = 0 [pid 361] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 361] <... futex resumed>) = 0 [pid 367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 366] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] memfd_create("syzkaller", 0 [pid 363] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 361] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 367] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 365] <... memfd_create resumed>) = 4 [pid 363] <... futex resumed>) = 0 [pid 362] <... futex resumed>) = 0 [pid 367] <... openat resumed>) = 3 [pid 366] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 364] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 363] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 367] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... write resumed>) = 4096 [pid 365] <... mmap resumed>) = 0x7f41d8643000 [pid 367] <... futex resumed>) = 0 [pid 366] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 364] <... write resumed>) = 262144 [pid 363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 367] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... futex resumed>) = 1 [pid 365] <... write resumed>) = 262144 [pid 364] munmap(0x7f41d8643000, 138412032 [pid 363] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 366] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 365] munmap(0x7f41d8643000, 138412032 [pid 364] <... munmap resumed>) = 0 [pid 363] <... futex resumed>) = 0 [pid 362] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 365] <... munmap resumed>) = 0 [pid 364] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 363] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 362] <... futex resumed>) = 0 [pid 367] <... write resumed>) = 4096 [pid 366] memfd_create("syzkaller", 0 [pid 365] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 364] <... openat resumed>) = 5 [pid 362] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 367] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... memfd_create resumed>) = 4 [pid 365] <... openat resumed>) = 5 [pid 364] ioctl(5, LOOP_SET_FD, 4 [pid 367] <... futex resumed>) = 1 [pid 366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 365] ioctl(5, LOOP_SET_FD, 4 [pid 364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 363] <... futex resumed>) = 0 [pid 367] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 366] <... mmap resumed>) = 0x7f41d8643000 [pid 365] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 364] ioctl(5, LOOP_CLR_FD [pid 363] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 365] ioctl(5, LOOP_CLR_FD) = 0 [pid 365] ioctl(5, LOOP_SET_FD, 4 [pid 366] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 365] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 364] <... ioctl resumed>) = 0 [pid 363] <... futex resumed>) = 0 [pid 367] memfd_create("syzkaller", 0 [pid 363] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 367] <... memfd_create resumed>) = 4 [pid 365] close(5 [pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 366] <... write resumed>) = 262144 [pid 365] <... close resumed>) = 0 [pid 365] close(4) = 0 [pid 365] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 361] <... futex resumed>) = 0 [pid 367] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 366] munmap(0x7f41d8643000, 138412032 [pid 365] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 364] ioctl(5, LOOP_SET_FD, 4 [pid 361] exit_group(0 [pid 367] <... write resumed>) = 262144 [pid 366] <... munmap resumed>) = 0 [pid 365] <... futex resumed>) = ? [pid 364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 361] <... exit_group resumed>) = ? [pid 367] munmap(0x7f41d8643000, 138412032 [pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 365] +++ exited with 0 +++ [pid 364] close(5 [pid 361] +++ exited with 0 +++ [pid 367] <... munmap resumed>) = 0 [pid 366] <... openat resumed>) = 5 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 364] <... close resumed>) = 0 [pid 367] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 366] ioctl(5, LOOP_SET_FD, 4 [pid 364] close(4 [pid 367] <... openat resumed>) = 5 [pid 366] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 364] <... close resumed>) = 0 [pid 366] ioctl(5, LOOP_CLR_FD [pid 367] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 366] <... ioctl resumed>) = 0 [pid 364] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] ioctl(5, LOOP_CLR_FD [pid 364] <... futex resumed>) = 1 [pid 360] <... futex resumed>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 367] <... ioctl resumed>) = 0 [pid 364] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 366] ioctl(5, LOOP_SET_FD, 4 [pid 364] <... futex resumed>) = ? [pid 360] <... exit_group resumed>) = ? [pid 307] ioctl(3, LOOP_CLR_FD [pid 366] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 364] +++ exited with 0 +++ [pid 307] <... ioctl resumed>) = 0 [pid 307] close(3) = 0 [pid 366] close(5 [pid 360] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 367] ioctl(5, LOOP_SET_FD, 4 [pid 366] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 367] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 366] close(4 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 369 [pid 367] close(5 [pid 366] <... close resumed>) = 0 [pid 367] <... close resumed>) = 0 [pid 366] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 367] close(4 [pid 366] <... futex resumed>) = 1 [pid 362] <... futex resumed>) = 0 ./strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x55555610b6a0, 24) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 367] <... close resumed>) = 0 [pid 366] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] exit_group(0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 369] <... prctl resumed>) = 0 [pid 367] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 366] <... futex resumed>) = ? [pid 362] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 369] setpgid(0, 0 [pid 367] <... futex resumed>) = 1 [pid 366] +++ exited with 0 +++ [pid 363] <... futex resumed>) = 0 [pid 369] <... setpgid resumed>) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 367] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] exit_group(0 [pid 362] +++ exited with 0 +++ [pid 308] ioctl(3, LOOP_CLR_FD [pid 369] <... openat resumed>) = 3 [pid 367] <... futex resumed>) = ? [pid 363] <... exit_group resumed>) = ? [pid 308] <... ioctl resumed>) = 0 [pid 369] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 369] <... write resumed>) = 4 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 369] close(3 [pid 306] <... openat resumed>) = 3 [pid 369] <... close resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 369] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... ioctl resumed>) = 0 [pid 369] <... futex resumed>) = 0 [pid 306] close(3 [pid 369] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 367] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 363] +++ exited with 0 +++ [pid 308] close(3 [pid 369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 370 [pid 369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 369] <... mmap resumed>) = 0x7f41e0a43000 [pid 369] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 371 [pid 369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 369] <... clone3 resumed> => {parent_tid=[372]}, 88) = 372 [pid 309] <... openat resumed>) = 3 [pid 369] rt_sigprocmask(SIG_SETMASK, [], [pid 309] ioctl(3, LOOP_CLR_FD [pid 369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 371 attached ./strace-static-x86_64: Process 370 attached [pid 369] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(3 [pid 371] set_robust_list(0x55555610b6a0, 24 [pid 370] set_robust_list(0x55555610b6a0, 24 [pid 369] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 371] <... set_robust_list resumed>) = 0 [pid 370] <... set_robust_list resumed>) = 0 [pid 369] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 372 attached [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 372] set_robust_list(0x7f41e0a639a0, 24 [pid 371] <... prctl resumed>) = 0 [pid 370] <... prctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 373 [pid 372] <... set_robust_list resumed>) = 0 [pid 371] setpgid(0, 0 [pid 370] setpgid(0, 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], [pid 371] <... setpgid resumed>) = 0 [pid 370] <... setpgid resumed>) = 0 [pid 372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 372] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 371] <... openat resumed>) = 3 [pid 370] <... openat resumed>) = 3 [pid 372] <... openat resumed>) = 3 [pid 371] write(3, "1000", 4 [pid 370] write(3, "1000", 4 [pid 372] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... write resumed>) = 4 [pid 370] <... write resumed>) = 4 [pid 372] <... futex resumed>) = 1 [pid 371] close(3 [pid 370] close(3 [pid 369] <... futex resumed>) = 0 [pid 372] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... close resumed>) = 0 [pid 370] <... close resumed>) = 0 [pid 369] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 373 attached [pid 372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 370] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 373] set_robust_list(0x55555610b6a0, 24 [pid 372] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 371] <... futex resumed>) = 0 [pid 370] <... futex resumed>) = 0 [pid 369] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 373] <... set_robust_list resumed>) = 0 [pid 372] <... write resumed>) = 4096 [pid 371] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 370] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 372] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... rt_sigaction resumed>NULL, 8) = 0 [pid 370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 373] <... prctl resumed>) = 0 [pid 372] <... futex resumed>) = 1 [pid 371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 369] <... futex resumed>) = 0 [pid 373] setpgid(0, 0 [pid 372] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 369] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... setpgid resumed>) = 0 [pid 372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 369] <... futex resumed>) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 372] memfd_create("syzkaller", 0 [pid 371] <... mmap resumed>) = 0x7f41e0a43000 [pid 370] <... mmap resumed>) = 0x7f41e0a43000 [pid 369] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 373] <... openat resumed>) = 3 [pid 372] <... memfd_create resumed>) = 4 [pid 371] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 370] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 373] write(3, "1000", 4 [pid 372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 371] <... mprotect resumed>) = 0 [pid 370] <... mprotect resumed>) = 0 [pid 373] <... write resumed>) = 4 [pid 372] <... mmap resumed>) = 0x7f41d8643000 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 373] close(3 [pid 370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 373] <... close resumed>) = 0 [pid 370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 373] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 370] <... clone3 resumed> => {parent_tid=[374]}, 88) = 374 [pid 373] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 370] rt_sigprocmask(SIG_SETMASK, [], [pid 373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 372] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 370] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 370] <... futex resumed>) = 0 [pid 373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 371] <... clone3 resumed> => {parent_tid=[375]}, 88) = 375 [pid 370] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 373] <... mmap resumed>) = 0x7f41e0a43000 [pid 372] <... write resumed>) = 262144 [pid 371] rt_sigprocmask(SIG_SETMASK, [], [pid 373] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 372] munmap(0x7f41d8643000, 138412032 [pid 371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 373] <... mprotect resumed>) = 0 [pid 372] <... munmap resumed>) = 0 [pid 371] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 374 attached [pid 373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 372] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 371] <... futex resumed>) = 0 [pid 374] set_robust_list(0x7f41e0a639a0, 24 [pid 373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 372] <... openat resumed>) = 5 [pid 371] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 374] <... set_robust_list resumed>) = 0 [pid 373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 372] ioctl(5, LOOP_SET_FD, 4 [pid 374] rt_sigprocmask(SIG_SETMASK, [], [pid 372] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 375 attached [pid 374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 373] <... clone3 resumed> => {parent_tid=[376]}, 88) = 376 [pid 372] ioctl(5, LOOP_CLR_FD [pid 374] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 373] rt_sigprocmask(SIG_SETMASK, [], [pid 372] <... ioctl resumed>) = 0 [pid 375] set_robust_list(0x7f41e0a639a0, 24 [pid 374] <... openat resumed>) = 3 [pid 373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 375] <... set_robust_list resumed>) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [], [pid 374] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 373] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 374] <... futex resumed>) = 1 [pid 373] <... futex resumed>) = 0 [pid 370] <... futex resumed>) = 0 [pid 375] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 374] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 373] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 376 attached [pid 375] <... openat resumed>) = 3 [pid 374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 372] ioctl(5, LOOP_SET_FD, 4 [pid 370] <... futex resumed>) = 0 [pid 376] set_robust_list(0x7f41e0a639a0, 24 [pid 375] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 372] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 370] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] <... set_robust_list resumed>) = 0 [pid 375] <... futex resumed>) = 1 [pid 374] <... write resumed>) = 4096 [pid 372] close(5 [pid 371] <... futex resumed>) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [], [pid 375] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... close resumed>) = 0 [pid 371] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 374] <... futex resumed>) = 1 [pid 372] close(4 [pid 371] <... futex resumed>) = 0 [pid 370] <... futex resumed>) = 0 [pid 376] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 375] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 374] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... openat resumed>) = 3 [pid 374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 370] <... futex resumed>) = 0 [pid 376] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... write resumed>) = 4096 [pid 374] memfd_create("syzkaller", 0 [pid 372] <... close resumed>) = 0 [pid 371] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 370] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 376] <... futex resumed>) = 1 [pid 375] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... memfd_create resumed>) = 4 [pid 373] <... futex resumed>) = 0 [pid 372] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 376] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] <... futex resumed>) = 0 [pid 374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 373] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 372] <... futex resumed>) = 1 [pid 371] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 369] <... futex resumed>) = 0 [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 375] memfd_create("syzkaller", 0 [pid 374] <... mmap resumed>) = 0x7f41d8643000 [pid 373] <... futex resumed>) = 0 [pid 372] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] <... futex resumed>) = 0 [pid 369] exit_group(0 [pid 376] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 375] <... memfd_create resumed>) = 4 [pid 374] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 373] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = ? [pid 371] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 369] <... exit_group resumed>) = ? [pid 376] <... write resumed>) = 4096 [pid 375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 374] <... write resumed>) = 262144 [pid 372] +++ exited with 0 +++ [pid 369] +++ exited with 0 +++ [pid 376] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] <... mmap resumed>) = 0x7f41d8643000 [pid 374] munmap(0x7f41d8643000, 138412032 [pid 376] <... futex resumed>) = 1 [pid 374] <... munmap resumed>) = 0 [pid 373] <... futex resumed>) = 0 [pid 376] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 373] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 374] <... openat resumed>) = 5 [pid 373] <... futex resumed>) = 0 [pid 376] memfd_create("syzkaller", 0 [pid 374] ioctl(5, LOOP_SET_FD, 4 [pid 373] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 376] <... memfd_create resumed>) = 4 [pid 374] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 375] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 374] ioctl(5, LOOP_CLR_FD [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 376] <... mmap resumed>) = 0x7f41d8643000 [pid 374] <... ioctl resumed>) = 0 [pid 376] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 375] <... write resumed>) = 262144 [pid 307] <... openat resumed>) = 3 [pid 376] <... write resumed>) = 262144 [pid 375] munmap(0x7f41d8643000, 138412032 [pid 307] ioctl(3, LOOP_CLR_FD [pid 376] munmap(0x7f41d8643000, 138412032 [pid 374] ioctl(5, LOOP_SET_FD, 4 [pid 307] <... ioctl resumed>) = 0 [pid 376] <... munmap resumed>) = 0 [pid 375] <... munmap resumed>) = 0 [pid 374] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] close(3 [pid 376] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 375] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 374] close(5 [pid 376] <... openat resumed>) = 5 [pid 374] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 375] <... openat resumed>) = 5 [pid 376] ioctl(5, LOOP_SET_FD, 4 [pid 375] ioctl(5, LOOP_SET_FD, 4 [pid 374] close(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 376] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 374] <... close resumed>) = 0 [pid 376] ioctl(5, LOOP_CLR_FD [pid 374] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 376] <... ioctl resumed>) = 0 [pid 374] <... futex resumed>) = 1 [pid 370] <... futex resumed>) = 0 [pid 374] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] exit_group(0 [pid 375] ioctl(5, LOOP_CLR_FD [pid 374] <... futex resumed>) = ? [pid 370] <... exit_group resumed>) = ? [pid 375] <... ioctl resumed>) = 0 [pid 374] +++ exited with 0 +++ [pid 370] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 377 [pid 376] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 376] close(5 [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 376] <... close resumed>) = 0 ./strace-static-x86_64: Process 377 attached [pid 376] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 377] set_robust_list(0x55555610b6a0, 24 [pid 376] <... close resumed>) = 0 [pid 377] <... set_robust_list resumed>) = 0 [pid 376] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] ioctl(5, LOOP_SET_FD, 4 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 376] <... futex resumed>) = 1 [pid 375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 373] <... futex resumed>) = 0 [pid 377] <... prctl resumed>) = 0 [pid 376] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] close(5 [pid 373] exit_group(0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 377] setpgid(0, 0 [pid 376] <... futex resumed>) = ? [pid 375] <... close resumed>) = 0 [pid 373] <... exit_group resumed>) = ? [pid 377] <... setpgid resumed>) = 0 [pid 376] +++ exited with 0 +++ [pid 375] close(4 [pid 373] +++ exited with 0 +++ [pid 306] <... openat resumed>) = 3 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 377] <... openat resumed>) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 377] close(3 [pid 309] <... openat resumed>) = 3 [pid 377] <... close resumed>) = 0 [pid 375] <... close resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] ioctl(3, LOOP_CLR_FD [pid 377] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 375] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... ioctl resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 377] <... futex resumed>) = 0 [pid 375] <... futex resumed>) = 1 [pid 371] <... futex resumed>) = 0 [pid 309] close(3 [pid 306] close(3 [pid 377] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 375] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 375] <... futex resumed>) = ? [pid 371] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 375] +++ exited with 0 +++ [pid 377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 378 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 377] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 371] +++ exited with 0 +++ [pid 377] <... mprotect resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[379]}, 88) = 379 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 380 [pid 377] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 378 attached ) = 3 [pid 308] ioctl(3, LOOP_CLR_FD) = 0 [pid 308] close(3) = 0 [pid 378] set_robust_list(0x55555610b6a0, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 378] <... set_robust_list resumed>) = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 378] setpgid(0, 0) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 381 ./strace-static-x86_64: Process 379 attached [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 379] set_robust_list(0x7f41e0a639a0, 24 [pid 378] <... openat resumed>) = 3 [pid 379] <... set_robust_list resumed>) = 0 [pid 378] write(3, "1000", 4 [pid 379] rt_sigprocmask(SIG_SETMASK, [], [pid 378] <... write resumed>) = 4 [pid 379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 378] close(3 [pid 379] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 378] <... close resumed>) = 0 [pid 379] <... openat resumed>) = 3 [pid 378] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 1 [pid 378] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 377] <... futex resumed>) = 0 [pid 379] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 377] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 380 attached [pid 379] <... write resumed>) = 4096 [pid 378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 377] <... futex resumed>) = 0 [pid 380] set_robust_list(0x55555610b6a0, 24 [pid 379] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 377] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] <... futex resumed>) = 0 [pid 378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 380] <... set_robust_list resumed>) = 0 [pid 379] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] <... mmap resumed>) = 0x7f41e0a43000 [pid 377] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 381 attached [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 378] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 377] <... futex resumed>) = 0 [pid 379] memfd_create("syzkaller", 0 [pid 378] <... mprotect resumed>) = 0 [pid 377] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 380] <... prctl resumed>) = 0 [pid 381] set_robust_list(0x55555610b6a0, 24 [pid 379] <... memfd_create resumed>) = 4 [pid 378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 381] <... set_robust_list resumed>) = 0 [pid 380] setpgid(0, 0 [pid 379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 380] <... setpgid resumed>) = 0 [pid 379] <... mmap resumed>) = 0x7f41d8643000 [pid 378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 379] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 381] <... prctl resumed>) = 0 [pid 380] <... openat resumed>) = 3 [pid 378] <... clone3 resumed> => {parent_tid=[382]}, 88) = 382 [pid 378] rt_sigprocmask(SIG_SETMASK, [], [pid 381] setpgid(0, 0 [pid 380] write(3, "1000", 4 [pid 381] <... setpgid resumed>) = 0 [pid 378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 380] <... write resumed>) = 4 [pid 378] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] <... openat resumed>) = 3 [pid 380] close(3 [pid 379] <... write resumed>) = 262144 [pid 378] <... futex resumed>) = 0 [pid 381] write(3, "1000", 4 [pid 380] <... close resumed>) = 0 [pid 379] munmap(0x7f41d8643000, 138412032 [pid 378] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... write resumed>) = 4 [pid 380] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... munmap resumed>) = 0 [pid 381] close(3 [pid 380] <... futex resumed>) = 0 [pid 379] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 381] <... close resumed>) = 0 [pid 380] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 379] <... openat resumed>) = 5 [pid 381] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... rt_sigaction resumed>NULL, 8) = 0 [pid 381] <... futex resumed>) = 0 [pid 380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 379] ioctl(5, LOOP_SET_FD, 4 [pid 381] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 379] ioctl(5, LOOP_CLR_FD./strace-static-x86_64: Process 382 attached [pid 381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 380] <... mmap resumed>) = 0x7f41e0a43000 [pid 379] <... ioctl resumed>) = 0 [pid 382] set_robust_list(0x7f41e0a639a0, 24 [pid 381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 380] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 382] <... set_robust_list resumed>) = 0 [pid 381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 380] <... mprotect resumed>) = 0 [pid 382] rt_sigprocmask(SIG_SETMASK, [], [pid 381] <... mmap resumed>) = 0x7f41e0a43000 [pid 382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 381] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 380] rt_sigprocmask(SIG_BLOCK, ~[], [pid 382] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 381] <... mprotect resumed>) = 0 [pid 380] <... rt_sigprocmask resumed>[], 8) = 0 [pid 382] <... openat resumed>) = 3 [pid 380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 382] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 379] ioctl(5, LOOP_SET_FD, 4 [pid 382] <... futex resumed>) = 1 [pid 381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 379] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 378] <... futex resumed>) = 0 [pid 382] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 380] <... clone3 resumed> => {parent_tid=[383]}, 88) = 383 [pid 379] close(5 [pid 378] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 379] <... close resumed>) = 0 [pid 378] <... futex resumed>) = 0 [pid 382] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 379] close(4 [pid 378] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 380] rt_sigprocmask(SIG_SETMASK, [], [pid 382] <... write resumed>) = 4096 [pid 380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 379] <... close resumed>) = 0 [pid 382] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 381] <... clone3 resumed> => {parent_tid=[384]}, 88) = 384 [pid 380] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 383 attached [pid 382] <... futex resumed>) = 1 [pid 381] rt_sigprocmask(SIG_SETMASK, [], [pid 380] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 1 [pid 378] <... futex resumed>) = 0 [pid 377] <... futex resumed>) = 0 [pid 383] set_robust_list(0x7f41e0a639a0, 24 [pid 382] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 380] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 379] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] exit_group(0 [pid 383] <... set_robust_list resumed>) = 0 [pid 382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 381] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 379] <... futex resumed>) = ? [pid 378] <... futex resumed>) = 0 [pid 377] <... exit_group resumed>) = ? [pid 383] rt_sigprocmask(SIG_SETMASK, [], [pid 382] memfd_create("syzkaller", 0 [pid 381] <... futex resumed>) = 0 [pid 379] +++ exited with 0 +++ [pid 378] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 377] +++ exited with 0 +++ [pid 383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 382] <... memfd_create resumed>) = 4 [pid 381] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 383] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 383] <... openat resumed>) = 3 [pid 382] <... mmap resumed>) = 0x7f41d8643000 ./strace-static-x86_64: Process 384 attached [pid 383] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 382] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 383] <... futex resumed>) = 1 [pid 382] <... write resumed>) = 262144 [pid 380] <... futex resumed>) = 0 [pid 384] set_robust_list(0x7f41e0a639a0, 24 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 384] <... set_robust_list resumed>) = 0 [pid 383] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] munmap(0x7f41d8643000, 138412032 [pid 380] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] rt_sigprocmask(SIG_SETMASK, [], [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 382] <... munmap resumed>) = 0 [pid 380] <... futex resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 383] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 382] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 380] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] ioctl(3, LOOP_CLR_FD [pid 384] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 383] <... write resumed>) = 4096 [pid 382] <... openat resumed>) = 5 [pid 307] <... ioctl resumed>) = 0 [pid 383] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] close(3 [pid 384] <... openat resumed>) = 3 [pid 383] <... futex resumed>) = 1 [pid 382] ioctl(5, LOOP_SET_FD, 4 [pid 380] <... futex resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 384] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 382] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 380] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 384] <... futex resumed>) = 1 [pid 383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 382] ioctl(5, LOOP_CLR_FD [pid 381] <... futex resumed>) = 0 [pid 380] <... futex resumed>) = 0 [pid 383] memfd_create("syzkaller", 0 [pid 382] <... ioctl resumed>) = 0 [pid 380] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 383] <... memfd_create resumed>) = 4 [pid 383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 384] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 383] <... mmap resumed>) = 0x7f41d8643000 [pid 381] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... write resumed>) = 4096 [pid 383] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 381] <... futex resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 385 [pid 384] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 383] <... write resumed>) = 262144 [pid 382] ioctl(5, LOOP_SET_FD, 4 [pid 381] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 384] <... futex resumed>) = 0 [pid 383] munmap(0x7f41d8643000, 138412032 [pid 382] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 384] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 383] <... munmap resumed>) = 0 [pid 382] close(5 [pid 381] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 385 attached [pid 384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 382] <... close resumed>) = 0 [pid 381] <... futex resumed>) = 0 [pid 385] set_robust_list(0x55555610b6a0, 24 [pid 384] memfd_create("syzkaller", 0 [pid 383] <... openat resumed>) = 5 [pid 382] close(4 [pid 381] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 385] <... set_robust_list resumed>) = 0 [pid 384] <... memfd_create resumed>) = 4 [pid 383] ioctl(5, LOOP_SET_FD, 4 [pid 382] <... close resumed>) = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 382] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... prctl resumed>) = 0 [pid 384] <... mmap resumed>) = 0x7f41d8643000 [pid 383] ioctl(5, LOOP_CLR_FD [pid 382] <... futex resumed>) = 1 [pid 378] <... futex resumed>) = 0 [pid 385] setpgid(0, 0 [pid 383] <... ioctl resumed>) = 0 [pid 382] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] exit_group(0 [pid 385] <... setpgid resumed>) = 0 [pid 382] <... futex resumed>) = ? [pid 378] <... exit_group resumed>) = ? [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 382] +++ exited with 0 +++ [pid 378] +++ exited with 0 +++ [pid 385] <... openat resumed>) = 3 [pid 383] ioctl(5, LOOP_SET_FD, 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 385] write(3, "1000", 4 [pid 384] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 385] <... write resumed>) = 4 [pid 383] close(5 [pid 385] close(3 [pid 383] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 385] <... close resumed>) = 0 [pid 383] close(4 [pid 309] <... openat resumed>) = 3 [pid 385] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... write resumed>) = 262144 [pid 383] <... close resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 385] <... futex resumed>) = 0 [pid 383] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... ioctl resumed>) = 0 [pid 384] munmap(0x7f41d8643000, 138412032 [pid 385] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 383] <... futex resumed>) = 1 [pid 380] <... futex resumed>) = 0 [pid 309] close(3 [pid 385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 383] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 380] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 384] <... munmap resumed>) = 0 [pid 383] <... futex resumed>) = ? [pid 380] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 384] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 383] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ [pid 385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 386 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 384] <... openat resumed>) = 5 [pid 385] <... mmap resumed>) = 0x7f41e0a43000 [pid 385] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 384] ioctl(5, LOOP_SET_FD, 4 [pid 385] <... mprotect resumed>) = 0 [pid 385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 384] ioctl(5, LOOP_CLR_FD [pid 385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] <... openat resumed>) = 3 [pid 384] <... ioctl resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 385] <... clone3 resumed> => {parent_tid=[387]}, 88) = 387 [pid 306] <... ioctl resumed>) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], [pid 306] close(3 [pid 385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 385] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... close resumed>) = 0 [pid 385] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 385] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x55555610b6a0, 24) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 384] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 388 [pid 384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 384] close(5) = 0 [pid 386] <... prctl resumed>) = 0 [pid 384] close(4 [pid 386] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 387 attached [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 387] set_robust_list(0x7f41e0a639a0, 24 [pid 386] <... openat resumed>) = 3 [pid 387] <... set_robust_list resumed>) = 0 [pid 386] write(3, "1000", 4 [pid 387] rt_sigprocmask(SIG_SETMASK, [], [pid 386] <... write resumed>) = 4 [pid 387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 386] close(3 [pid 384] <... close resumed>) = 0 [pid 387] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 386] <... close resumed>) = 0 [pid 387] <... openat resumed>) = 3 [pid 386] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... futex resumed>) = 0 [pid 384] <... futex resumed>) = 1 [pid 381] <... futex resumed>) = 0 [pid 381] exit_group(0) = ? [pid 387] <... futex resumed>) = 1 [pid 386] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 385] <... futex resumed>) = 0 [pid 387] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... rt_sigaction resumed>NULL, 8) = 0 [pid 385] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 385] <... futex resumed>) = 0 [pid 387] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 385] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 387] <... write resumed>) = 4096 [pid 386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 387] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 386] <... mmap resumed>) = 0x7f41e0a43000 [pid 387] <... futex resumed>) = 1 [pid 386] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 385] <... futex resumed>) = 0 [pid 387] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... mprotect resumed>) = 0 [pid 385] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 385] <... futex resumed>) = 0 [pid 384] +++ exited with 0 +++ [pid 381] +++ exited with 0 +++ [pid 387] memfd_create("syzkaller", 0 [pid 386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 385] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 387] <... memfd_create resumed>) = 4 [pid 386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 308] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 388 attached [pid 387] <... mmap resumed>) = 0x7f41d8643000 [pid 386] <... clone3 resumed> => {parent_tid=[389]}, 88) = 389 [pid 387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 386] rt_sigprocmask(SIG_SETMASK, [], [pid 388] set_robust_list(0x55555610b6a0, 24 [pid 387] <... write resumed>) = 262144 [pid 386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 388] <... set_robust_list resumed>) = 0 [pid 386] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 386] <... futex resumed>) = 0 [pid 388] <... prctl resumed>) = 0 [pid 387] munmap(0x7f41d8643000, 138412032 [pid 386] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... openat resumed>) = 3 [pid 388] setpgid(0, 0 [pid 387] <... munmap resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 388] <... setpgid resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 387] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 308] close(3 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 387] <... openat resumed>) = 5 [pid 308] <... close resumed>) = 0 [pid 387] ioctl(5, LOOP_SET_FD, 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 388] <... openat resumed>) = 3 [pid 387] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 387] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 390 [pid 388] <... write resumed>) = 4 [pid 388] close(3 [pid 389] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 388] <... close resumed>) = 0 [pid 387] ioctl(5, LOOP_SET_FD, 4 [pid 389] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 389] <... futex resumed>) = 1 [pid 387] close(5 [pid 386] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 0 [pid 389] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 387] <... close resumed>) = 0 [pid 386] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 388] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 387] close(4 [pid 386] <... futex resumed>) = 0 [pid 389] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 387] <... close resumed>) = 0 [pid 386] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 389] <... write resumed>) = 4096 [pid 388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 387] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 387] <... futex resumed>) = 1 [pid 385] <... futex resumed>) = 0 [pid 389] <... futex resumed>) = 1 [pid 388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 387] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] <... futex resumed>) = 0 [pid 385] exit_group(0 [pid 389] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 388] <... mmap resumed>) = 0x7f41e0a43000 [pid 387] <... futex resumed>) = ? [pid 386] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 385] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 390 attached [pid 389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 388] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 387] +++ exited with 0 +++ [pid 386] <... futex resumed>) = 0 [pid 385] +++ exited with 0 +++ [pid 390] set_robust_list(0x55555610b6a0, 24 [pid 389] memfd_create("syzkaller", 0 [pid 388] <... mprotect resumed>) = 0 [pid 386] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 389] <... memfd_create resumed>) = 4 [pid 390] <... set_robust_list resumed>) = 0 [pid 388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 389] <... mmap resumed>) = 0x7f41d8643000 [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 389] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 390] <... prctl resumed>) = 0 [pid 389] <... write resumed>) = 262144 [pid 389] munmap(0x7f41d8643000, 138412032 [pid 307] <... openat resumed>) = 3 [pid 388] <... clone3 resumed> => {parent_tid=[391]}, 88) = 391 [pid 307] ioctl(3, LOOP_CLR_FD [pid 390] setpgid(0, 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], [pid 390] <... setpgid resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 389] <... munmap resumed>) = 0 [pid 388] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] close(3 [pid 389] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 391 attached [pid 390] <... openat resumed>) = 3 [pid 389] <... openat resumed>) = 5 [pid 388] <... futex resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 391] set_robust_list(0x7f41e0a639a0, 24 [pid 390] write(3, "1000", 4 [pid 389] ioctl(5, LOOP_SET_FD, 4 [pid 388] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 391] <... set_robust_list resumed>) = 0 [pid 390] <... write resumed>) = 4 [pid 389] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 391] rt_sigprocmask(SIG_SETMASK, [], [pid 389] ioctl(5, LOOP_CLR_FD [pid 391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 389] <... ioctl resumed>) = 0 [pid 391] <... openat resumed>) = 3 [pid 390] close(3 [pid 391] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 392 [pid 391] <... futex resumed>) = 1 [pid 390] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] <... futex resumed>) = 0 [pid 390] <... futex resumed>) = 0 [pid 388] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 391] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 390] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 388] <... futex resumed>) = 0 [pid 391] <... write resumed>) = 4096 [pid 390] <... rt_sigaction resumed>NULL, 8) = 0 [pid 388] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 391] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 389] ioctl(5, LOOP_SET_FD, 4 [pid 388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 392 attached [pid 391] <... futex resumed>) = 0 [pid 390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 389] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 391] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 389] close(5 [pid 392] set_robust_list(0x55555610b6a0, 24 [pid 390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 389] <... close resumed>) = 0 [pid 388] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 389] close(4 [pid 392] <... set_robust_list resumed>) = 0 [pid 391] <... futex resumed>) = 0 [pid 390] <... mmap resumed>) = 0x7f41e0a43000 [pid 389] <... close resumed>) = 0 [pid 388] <... futex resumed>) = 1 [pid 391] memfd_create("syzkaller", 0 [pid 389] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 391] <... memfd_create resumed>) = 4 [pid 390] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 389] <... futex resumed>) = 1 [pid 388] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 386] <... futex resumed>) = 0 [pid 391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 389] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 386] exit_group(0 [pid 392] <... prctl resumed>) = 0 [pid 391] <... mmap resumed>) = 0x7f41d8643000 [pid 390] <... mprotect resumed>) = 0 [pid 389] <... futex resumed>) = ? [pid 386] <... exit_group resumed>) = ? [pid 392] setpgid(0, 0 [pid 391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 389] +++ exited with 0 +++ [pid 386] +++ exited with 0 +++ [pid 392] <... setpgid resumed>) = 0 [pid 391] <... write resumed>) = 262144 [pid 390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 391] munmap(0x7f41d8643000, 138412032 [pid 390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 309] <... openat resumed>) = 3 [pid 391] <... munmap resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 392] <... openat resumed>) = 3 [pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 309] <... ioctl resumed>) = 0 [pid 390] <... clone3 resumed> => {parent_tid=[393]}, 88) = 393 [pid 392] write(3, "1000", 4 [pid 391] <... openat resumed>) = 5 [pid 309] close(3 [pid 391] ioctl(5, LOOP_SET_FD, 4 [pid 309] <... close resumed>) = 0 [pid 391] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 392] <... write resumed>) = 4 [pid 390] rt_sigprocmask(SIG_SETMASK, [], [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 392] close(3 [pid 391] ioctl(5, LOOP_CLR_FD [pid 390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] <... ioctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 394 [pid 392] <... close resumed>) = 0 [pid 390] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 393 attached ) = 0 [pid 392] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 393] set_robust_list(0x7f41e0a639a0, 24 [pid 392] <... futex resumed>) = 0 [pid 393] <... set_robust_list resumed>) = 0 [pid 391] ioctl(5, LOOP_SET_FD, 4 [pid 393] rt_sigprocmask(SIG_SETMASK, [], [pid 392] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 391] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 391] close(5 [pid 393] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 391] <... close resumed>) = 0 [pid 393] <... openat resumed>) = 3 [pid 391] close(4./strace-static-x86_64: Process 394 attached [pid 393] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 391] <... close resumed>) = 0 [pid 393] <... futex resumed>) = 1 [pid 391] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 391] <... futex resumed>) = 1 [pid 394] set_robust_list(0x55555610b6a0, 24 [pid 392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 391] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... futex resumed>) = 0 [pid 388] <... futex resumed>) = 0 [pid 394] <... set_robust_list resumed>) = 0 [pid 392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 390] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 388] exit_group(0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 393] <... futex resumed>) = 0 [pid 392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 391] <... futex resumed>) = ? [pid 390] <... futex resumed>) = 1 [pid 388] <... exit_group resumed>) = ? [pid 393] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 391] +++ exited with 0 +++ [pid 392] <... mmap resumed>) = 0x7f41e0a43000 [pid 390] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] +++ exited with 0 +++ [pid 393] <... write resumed>) = 4096 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 392] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 394] <... prctl resumed>) = 0 [pid 393] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] setpgid(0, 0 [pid 393] <... futex resumed>) = 1 [pid 392] <... mprotect resumed>) = 0 [pid 390] <... futex resumed>) = 0 [pid 394] <... setpgid resumed>) = 0 [pid 393] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 390] <... futex resumed>) = 0 [pid 393] memfd_create("syzkaller", 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 393] <... memfd_create resumed>) = 4 [pid 390] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 394] <... openat resumed>) = 3 [pid 393] <... mmap resumed>) = 0x7f41d8643000 [pid 392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] <... openat resumed>) = 3 [pid 394] write(3, "1000", 4 [pid 393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 394] <... write resumed>) = 4 [pid 393] <... write resumed>) = 262144 [pid 306] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 395 attached [pid 394] close(3 [pid 392] <... clone3 resumed> => {parent_tid=[395]}, 88) = 395 [pid 306] <... ioctl resumed>) = 0 [pid 393] munmap(0x7f41d8643000, 138412032 [pid 394] <... close resumed>) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], [pid 306] close(3 [pid 392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 394] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] set_robust_list(0x7f41e0a639a0, 24 [pid 394] <... futex resumed>) = 0 [pid 392] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 394] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 393] <... munmap resumed>) = 0 [pid 392] <... futex resumed>) = 0 [pid 393] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 393] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 393] ioctl(5, LOOP_CLR_FD) = 0 [pid 394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 392] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 396 [pid 394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 393] ioctl(5, LOOP_SET_FD, 4 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 394] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 393] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 393] close(5 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 393] <... close resumed>) = 0 [pid 395] <... set_robust_list resumed>) = 0 [pid 393] close(4 [pid 395] rt_sigprocmask(SIG_SETMASK, [], [pid 394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 393] <... close resumed>) = 0 [pid 395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 393] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 393] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... futex resumed>) = 0 [pid 395] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 394] <... clone3 resumed> => {parent_tid=[397]}, 88) = 397 [pid 390] exit_group(0 [pid 395] <... openat resumed>) = 3 [pid 394] rt_sigprocmask(SIG_SETMASK, [], [pid 390] <... exit_group resumed>) = ? [pid 394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 393] <... futex resumed>) = ? [pid 395] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 393] +++ exited with 0 +++ [pid 390] +++ exited with 0 +++ [pid 395] <... futex resumed>) = 1 [pid 394] <... futex resumed>) = 0 [pid 392] <... futex resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 394] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 396 attached [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 395] <... write resumed>) = 4096 [pid 396] set_robust_list(0x55555610b6a0, 24 [pid 395] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 396] <... set_robust_list resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 395] <... futex resumed>) = 1 [pid 392] <... futex resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 395] memfd_create("syzkaller", 0 [pid 392] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] close(3 [pid 396] <... prctl resumed>) = 0 [pid 392] <... futex resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 395] <... memfd_create resumed>) = 4 [pid 396] setpgid(0, 0 [pid 395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 392] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 396] <... setpgid resumed>) = 0 [pid 395] <... mmap resumed>) = 0x7f41d8643000 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 398 [pid 396] write(3, "1000", 4) = 4 [pid 396] close(3) = 0 [pid 396] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 396] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, ./strace-static-x86_64: Process 398 attached NULL, 8) = 0 [pid 398] set_robust_list(0x55555610b6a0, 24 [pid 396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 398] <... set_robust_list resumed>) = 0 [pid 396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 398] <... prctl resumed>) = 0 [pid 396] <... mmap resumed>) = 0x7f41e0a43000 [pid 398] setpgid(0, 0 [pid 396] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 398] <... setpgid resumed>) = 0 [pid 396] <... mprotect resumed>) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 396] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 397 attached [pid 398] <... openat resumed>) = 3 [pid 396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 398] write(3, "1000", 4 [pid 396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 398] <... write resumed>) = 4 [pid 398] close(3 [pid 396] <... clone3 resumed> => {parent_tid=[399]}, 88) = 399 [pid 397] set_robust_list(0x7f41e0a639a0, 24 [pid 398] <... close resumed>) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], [pid 397] <... set_robust_list resumed>) = 0 [pid 398] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 398] <... futex resumed>) = 0 [pid 396] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 398] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 396] <... futex resumed>) = 0 [pid 398] <... rt_sigaction resumed>NULL, 8) = 0 [pid 396] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 397] rt_sigprocmask(SIG_SETMASK, [], [pid 398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 398] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 399 attached [pid 398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 397] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 399] set_robust_list(0x7f41e0a639a0, 24 [pid 398] <... mmap resumed>) = 0x7f41e0a43000 [pid 399] <... set_robust_list resumed>) = 0 [pid 398] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 399] rt_sigprocmask(SIG_SETMASK, [], [pid 398] <... mprotect resumed>) = 0 [pid 397] <... openat resumed>) = 3 [pid 399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 397] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... write resumed>) = 262144 [pid 399] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 394] <... futex resumed>) = 0 [pid 397] <... futex resumed>) = 1 [pid 395] munmap(0x7f41d8643000, 138412032 [pid 399] <... openat resumed>) = 3 [pid 398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 394] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 399] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] <... munmap resumed>) = 0 [pid 394] <... futex resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 398] <... clone3 resumed> => {parent_tid=[400]}, 88) = 400 [pid 397] <... write resumed>) = 4096 [pid 396] <... futex resumed>) = 0 [pid 395] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 394] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] rt_sigprocmask(SIG_SETMASK, [], [pid 397] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 397] <... futex resumed>) = 0 [pid 396] <... futex resumed>) = 0 [pid 395] <... openat resumed>) = 5 [pid 394] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 398] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 398] <... futex resumed>) = 0 [pid 398] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 400 attached [pid 400] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 400] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 398] <... futex resumed>) = 0 [pid 400] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 398] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 398] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 399] <... write resumed>) = 4096 [pid 394] <... futex resumed>) = 0 [pid 397] memfd_create("syzkaller", 0 [pid 395] ioctl(5, LOOP_SET_FD, 4 [pid 394] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 397] <... memfd_create resumed>) = 4 [pid 395] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 395] ioctl(5, LOOP_CLR_FD [pid 400] <... write resumed>) = 4096 [pid 399] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 397] <... mmap resumed>) = 0x7f41d8643000 [pid 395] <... ioctl resumed>) = 0 [pid 400] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] <... futex resumed>) = 1 [pid 396] <... futex resumed>) = 0 [pid 400] <... futex resumed>) = 1 [pid 399] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 398] <... futex resumed>) = 0 [pid 396] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 400] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 398] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 396] <... futex resumed>) = 0 [pid 400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 399] memfd_create("syzkaller", 0 [pid 398] <... futex resumed>) = 0 [pid 396] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 400] memfd_create("syzkaller", 0 [pid 399] <... memfd_create resumed>) = 4 [pid 398] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 400] <... memfd_create resumed>) = 4 [pid 399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 399] <... mmap resumed>) = 0x7f41d8643000 [pid 400] <... mmap resumed>) = 0x7f41d8643000 [pid 399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 397] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 400] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 399] <... write resumed>) = 262144 [pid 397] <... write resumed>) = 262144 [pid 395] ioctl(5, LOOP_SET_FD, 4 [pid 400] <... write resumed>) = 262144 [pid 397] munmap(0x7f41d8643000, 138412032 [pid 395] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 395] close(5 [pid 399] munmap(0x7f41d8643000, 138412032 [pid 395] <... close resumed>) = 0 [pid 400] munmap(0x7f41d8643000, 138412032 [pid 399] <... munmap resumed>) = 0 [pid 397] <... munmap resumed>) = 0 [pid 395] close(4 [pid 400] <... munmap resumed>) = 0 [pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 397] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 400] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 399] <... openat resumed>) = 5 [pid 400] <... openat resumed>) = 5 [pid 399] ioctl(5, LOOP_SET_FD, 4 [pid 400] ioctl(5, LOOP_SET_FD, 4 [pid 399] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 395] <... close resumed>) = 0 [pid 397] <... openat resumed>) = 5 [pid 400] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 399] ioctl(5, LOOP_CLR_FD [pid 400] ioctl(5, LOOP_CLR_FD [pid 399] <... ioctl resumed>) = 0 [pid 400] <... ioctl resumed>) = 0 [pid 397] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 395] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] ioctl(5, LOOP_SET_FD, 4 [pid 397] ioctl(5, LOOP_CLR_FD [pid 399] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 395] <... futex resumed>) = 1 [pid 392] <... futex resumed>) = 0 [pid 400] ioctl(5, LOOP_SET_FD, 4 [pid 399] close(5 [pid 400] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 399] <... close resumed>) = 0 [pid 400] close(5 [pid 399] close(4 [pid 397] <... ioctl resumed>) = 0 [pid 395] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 392] exit_group(0 [pid 400] <... close resumed>) = 0 [pid 399] <... close resumed>) = 0 [pid 395] <... futex resumed>) = ? [pid 392] <... exit_group resumed>) = ? [pid 400] close(4 [pid 399] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 395] +++ exited with 0 +++ [pid 400] <... close resumed>) = 0 [pid 399] <... futex resumed>) = 1 [pid 396] <... futex resumed>) = 0 [pid 392] +++ exited with 0 +++ [pid 400] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 399] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 397] ioctl(5, LOOP_SET_FD, 4 [pid 396] exit_group(0 [pid 400] <... futex resumed>) = 1 [pid 399] <... futex resumed>) = ? [pid 398] <... futex resumed>) = 0 [pid 397] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 396] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 400] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 399] +++ exited with 0 +++ [pid 398] exit_group(0 [pid 397] close(5 [pid 396] +++ exited with 0 +++ [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 400] <... futex resumed>) = ? [pid 398] <... exit_group resumed>) = ? [pid 397] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 400] +++ exited with 0 +++ [pid 398] +++ exited with 0 +++ [pid 397] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 308] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 308] ioctl(3, LOOP_CLR_FD) = 0 [pid 308] close(3 [pid 397] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 397] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 397] <... futex resumed>) = 1 [pid 394] <... futex resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 401 [pid 394] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 397] close(0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 397] +++ exited with 0 +++ [pid 394] <... exit_group resumed>) = ? [pid 307] ioctl(3, LOOP_CLR_FD [pid 306] <... openat resumed>) = 3 [pid 394] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 307] <... ioctl resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 307] close(3 [pid 306] <... ioctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 402 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 404 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 403 ./strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x55555610b6a0, 24./strace-static-x86_64: Process 401 attached ) = 0 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 401] set_robust_list(0x55555610b6a0, 24) = 0 ./strace-static-x86_64: Process 404 attached ./strace-static-x86_64: Process 402 attached [pid 403] <... prctl resumed>) = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 404] set_robust_list(0x55555610b6a0, 24 [pid 403] setpgid(0, 0 [pid 401] <... prctl resumed>) = 0 [pid 402] set_robust_list(0x55555610b6a0, 24 [pid 404] <... set_robust_list resumed>) = 0 [pid 403] <... setpgid resumed>) = 0 [pid 401] setpgid(0, 0 [pid 402] <... set_robust_list resumed>) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 401] <... setpgid resumed>) = 0 [pid 404] <... prctl resumed>) = 0 [pid 403] <... openat resumed>) = 3 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 404] setpgid(0, 0 [pid 403] write(3, "1000", 4 [pid 402] <... prctl resumed>) = 0 [pid 401] <... openat resumed>) = 3 [pid 404] <... setpgid resumed>) = 0 [pid 403] <... write resumed>) = 4 [pid 402] setpgid(0, 0 [pid 401] write(3, "1000", 4 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 403] close(3 [pid 402] <... setpgid resumed>) = 0 [pid 401] <... write resumed>) = 4 [pid 404] <... openat resumed>) = 3 [pid 403] <... close resumed>) = 0 [pid 401] close(3 [pid 404] write(3, "1000", 4 [pid 403] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 401] <... close resumed>) = 0 [pid 404] <... write resumed>) = 4 [pid 403] <... futex resumed>) = 0 [pid 401] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] close(3 [pid 403] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 402] <... openat resumed>) = 3 [pid 401] <... futex resumed>) = 0 [pid 404] <... close resumed>) = 0 [pid 403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 402] write(3, "1000", 4 [pid 401] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 404] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 402] <... write resumed>) = 4 [pid 401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 404] <... futex resumed>) = 0 [pid 403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 402] close(3 [pid 401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 404] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 402] <... close resumed>) = 0 [pid 401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 404] <... rt_sigaction resumed>NULL, 8) = 0 [pid 403] <... mmap resumed>) = 0x7f41e0a43000 [pid 402] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 403] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 402] <... futex resumed>) = 0 [pid 401] <... mmap resumed>) = 0x7f41e0a43000 [pid 404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 403] <... mprotect resumed>) = 0 [pid 402] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 401] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 401] <... mprotect resumed>) = 0 [pid 404] <... mmap resumed>) = 0x7f41e0a43000 [pid 403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 404] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 404] <... mprotect resumed>) = 0 [pid 401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 404] rt_sigprocmask(SIG_BLOCK, ~[], [pid 403] <... clone3 resumed> => {parent_tid=[405]}, 88) = 405 [pid 404] <... rt_sigprocmask resumed>[], 8) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], [pid 402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 401] <... clone3 resumed> => {parent_tid=[406]}, 88) = 406 [pid 404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], [pid 403] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... mmap resumed>) = 0x7f41e0a43000 [pid 401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 404] <... clone3 resumed> => {parent_tid=[407]}, 88) = 407 [pid 403] <... futex resumed>) = 0 [pid 402] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 401] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] rt_sigprocmask(SIG_SETMASK, [], [pid 403] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] <... mprotect resumed>) = 0 [pid 401] <... futex resumed>) = 0 [pid 404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 401] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 404] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 404] <... futex resumed>) = 0 [pid 402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 406 attached [pid 404] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] set_robust_list(0x7f41e0a639a0, 24 [pid 402] <... clone3 resumed> => {parent_tid=[408]}, 88) = 408 [pid 406] <... set_robust_list resumed>) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [], [pid 406] rt_sigprocmask(SIG_SETMASK, [], [pid 402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 402] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 402] <... futex resumed>) = 0 [pid 406] <... openat resumed>) = 3 [pid 402] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 406] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 408 attached ) = 1 [pid 401] <... futex resumed>) = 0 [pid 408] set_robust_list(0x7f41e0a639a0, 24 [pid 406] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 401] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... set_robust_list resumed>) = 0 [pid 406] <... write resumed>) = 4096 [pid 401] <... futex resumed>) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], [pid 406] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 401] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 406] <... futex resumed>) = 0 [pid 401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 408] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 406] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... openat resumed>) = 3 [pid 406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 401] <... futex resumed>) = 0 [pid 408] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 406] memfd_create("syzkaller", 0 [pid 401] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 408] <... futex resumed>) = 1 [pid 406] <... memfd_create resumed>) = 4 [pid 402] <... futex resumed>) = 0 [pid 408] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 402] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 406] <... mmap resumed>) = 0x7f41d8643000 [pid 402] <... futex resumed>) = 0 [pid 408] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 406] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 402] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 408] <... write resumed>) = 4096 [pid 408] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 407 attached ./strace-static-x86_64: Process 405 attached ) = 1 [pid 406] <... write resumed>) = 262144 [pid 402] <... futex resumed>) = 0 [pid 408] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 402] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 402] <... futex resumed>) = 0 [pid 408] memfd_create("syzkaller", 0 [pid 402] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 408] <... memfd_create resumed>) = 4 [pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 408] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 407] set_robust_list(0x7f41e0a639a0, 24 [pid 405] set_robust_list(0x7f41e0a639a0, 24 [pid 408] <... write resumed>) = 262144 [pid 407] <... set_robust_list resumed>) = 0 [pid 405] <... set_robust_list resumed>) = 0 [pid 406] munmap(0x7f41d8643000, 138412032) = 0 [pid 406] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 406] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 406] ioctl(5, LOOP_CLR_FD) = 0 [pid 408] munmap(0x7f41d8643000, 138412032) = 0 [pid 406] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 406] close(5) = 0 [pid 408] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 406] close(4 [pid 408] <... openat resumed>) = 5 [pid 407] rt_sigprocmask(SIG_SETMASK, [], [pid 406] <... close resumed>) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], [pid 408] ioctl(5, LOOP_SET_FD, 4 [pid 406] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 406] <... futex resumed>) = 1 [pid 405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 401] <... futex resumed>) = 0 [pid 408] ioctl(5, LOOP_CLR_FD [pid 406] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 401] exit_group(0 [pid 408] <... ioctl resumed>) = 0 [pid 407] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 406] <... futex resumed>) = ? [pid 405] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 401] <... exit_group resumed>) = ? [pid 407] <... openat resumed>) = 3 [pid 406] +++ exited with 0 +++ [pid 405] <... openat resumed>) = 3 [pid 401] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 407] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] ioctl(5, LOOP_SET_FD, 4 [pid 407] <... futex resumed>) = 1 [pid 404] <... futex resumed>) = 0 [pid 408] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 404] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 408] close(5 [pid 405] <... futex resumed>) = 1 [pid 404] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 0 [pid 407] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 408] <... close resumed>) = 0 [pid 404] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 403] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 408] close(4 [pid 407] <... write resumed>) = 4096 [pid 405] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 403] <... futex resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 408] <... close resumed>) = 0 [pid 407] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] <... write resumed>) = 4096 [pid 403] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] ioctl(3, LOOP_CLR_FD [pid 408] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... ioctl resumed>) = 0 [pid 408] <... futex resumed>) = 1 [pid 407] <... futex resumed>) = 1 [pid 405] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 404] <... futex resumed>) = 0 [pid 402] <... futex resumed>) = 0 [pid 308] close(3 [pid 408] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 407] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] <... futex resumed>) = 1 [pid 404] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 403] <... futex resumed>) = 0 [pid 402] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 409 [pid 407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 405] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] <... futex resumed>) = 0 [pid 403] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 402] <... exit_group resumed>) = ? [pid 408] <... futex resumed>) = ? ./strace-static-x86_64: Process 409 attached [pid 407] memfd_create("syzkaller", 0 [pid 405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 404] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 403] <... futex resumed>) = 0 [pid 403] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 405] memfd_create("syzkaller", 0 [pid 407] <... memfd_create resumed>) = 4 [pid 407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 405] <... memfd_create resumed>) = 4 [pid 409] set_robust_list(0x55555610b6a0, 24 [pid 405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 407] <... mmap resumed>) = 0x7f41d8643000 [pid 405] <... mmap resumed>) = 0x7f41d8643000 [pid 409] <... set_robust_list resumed>) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 408] +++ exited with 0 +++ [pid 405] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 402] +++ exited with 0 +++ [pid 409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 409] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 409] <... mprotect resumed>) = 0 [pid 409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 307] <... openat resumed>) = 3 [pid 409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] <... ioctl resumed>) = 0 [pid 307] close(3 [pid 409] <... clone3 resumed> => {parent_tid=[410]}, 88) = 410 [ 40.926485][ T334] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm ext4lazyinit: bg 0: block 255: padding at end of block bitmap is not set [pid 409] rt_sigprocmask(SIG_SETMASK, [], [pid 307] <... close resumed>) = 0 [pid 409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 409] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 409] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 411 ./strace-static-x86_64: Process 411 attached [pid 407] <... write resumed>) = 262144 [pid 405] <... write resumed>) = 262144 [pid 410] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 405] munmap(0x7f41d8643000, 138412032 [pid 407] munmap(0x7f41d8643000, 138412032 [pid 411] set_robust_list(0x55555610b6a0, 24 [pid 410] <... openat resumed>) = 3 [pid 405] <... munmap resumed>) = 0 [pid 411] <... set_robust_list resumed>) = 0 [pid 410] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... munmap resumed>) = 0 [pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 410] <... futex resumed>) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 409] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 410] <... write resumed>) = 4096 [pid 409] <... futex resumed>) = 0 [pid 405] <... openat resumed>) = 5 [pid 410] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 409] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 410] <... futex resumed>) = 0 [pid 409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 411] <... prctl resumed>) = 0 [pid 410] memfd_create("syzkaller", 0 [pid 409] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 407] <... openat resumed>) = 5 [pid 405] ioctl(5, LOOP_SET_FD, 4 [pid 411] setpgid(0, 0 [pid 410] <... memfd_create resumed>) = 4 [pid 409] <... futex resumed>) = 0 [pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 409] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 411] <... setpgid resumed>) = 0 [pid 410] <... mmap resumed>) = 0x7f41d8643000 [pid 407] ioctl(5, LOOP_SET_FD, 4 [pid 405] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 411] <... openat resumed>) = 3 [pid 407] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 405] ioctl(5, LOOP_CLR_FD [pid 411] write(3, "1000", 4 [pid 407] ioctl(5, LOOP_CLR_FD [pid 405] <... ioctl resumed>) = 0 [pid 411] <... write resumed>) = 4 [pid 407] <... ioctl resumed>) = 0 [pid 411] close(3) = 0 [pid 411] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 407] ioctl(5, LOOP_SET_FD, 4 [pid 405] ioctl(5, LOOP_SET_FD, 4 [pid 411] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 410] <... write resumed>) = 262144 [pid 407] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 405] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 407] close(5 [pid 405] close(5 [pid 410] munmap(0x7f41d8643000, 138412032 [pid 411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 410] <... munmap resumed>) = 0 [pid 407] <... close resumed>) = 0 [pid 405] <... close resumed>) = 0 [pid 410] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 410] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 410] ioctl(5, LOOP_CLR_FD) = 0 [pid 410] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 410] close(5) = 0 [ 40.978590][ T334] EXT4-fs error (device loop1): ext4_validate_block_bitmap:438: comm ext4lazyinit: bg 0: block 255: padding at end of block bitmap is not set [pid 410] close(4 [pid 411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 410] <... close resumed>) = 0 [pid 407] close(4 [pid 405] close(4 [pid 411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 407] <... close resumed>) = 0 [pid 405] <... close resumed>) = 0 [pid 410] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 409] <... futex resumed>) = 0 [pid 410] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 409] exit_group(0 [pid 410] <... futex resumed>) = ? [pid 409] <... exit_group resumed>) = ? [pid 411] <... mmap resumed>) = 0x7f41e0a43000 [pid 410] +++ exited with 0 +++ [pid 409] +++ exited with 0 +++ [pid 407] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 405] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 411] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 407] <... futex resumed>) = 1 [pid 405] <... futex resumed>) = 1 [pid 404] <... futex resumed>) = 0 [pid 403] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 308] ioctl(3, LOOP_CLR_FD) = 0 [pid 308] close(3) = 0 [pid 411] <... mprotect resumed>) = 0 [pid 407] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 405] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 404] exit_group(0 [pid 403] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 407] <... futex resumed>) = ? [pid 405] <... futex resumed>) = ? [pid 404] <... exit_group resumed>) = ? [pid 403] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 412 attached [pid 411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 407] +++ exited with 0 +++ [pid 405] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 412 [pid 412] set_robust_list(0x55555610b6a0, 24) = 0 [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setpgid(0, 0) = 0 [pid 404] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 412] write(3, "1000", 4) = 4 [pid 412] close(3) = 0 [pid 403] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[413]}, 88) = 413 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 411] rt_sigprocmask(SIG_SETMASK, [], [pid 309] <... openat resumed>) = 3 [pid 412] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] <... openat resumed>) = 3 [pid 412] <... futex resumed>) = 0 [pid 411] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... ioctl resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 412] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 411] <... futex resumed>) = 0 [pid 309] close(3 [pid 306] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 413 attached [pid 412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 411] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... close resumed>) = 0 [pid 306] close(3 [pid 412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 414 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 412] <... mmap resumed>) = 0x7f41e0a43000 [pid 412] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 415 [pid 412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[416]}, 88) = 416 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 412] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 412] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 413] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 [pid 413] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 411] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 413] <... write resumed>) = 4096 [pid 411] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 416 attached [pid 413] memfd_create("syzkaller", 0 [pid 411] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] set_robust_list(0x7f41e0a639a0, 24 [pid 413] <... memfd_create resumed>) = 4 [pid 411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 415 attached ./strace-static-x86_64: Process 414 attached [pid 416] <... set_robust_list resumed>) = 0 [pid 413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 411] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 416] rt_sigprocmask(SIG_SETMASK, [], [pid 415] set_robust_list(0x55555610b6a0, 24 [pid 414] set_robust_list(0x55555610b6a0, 24 [pid 413] <... mmap resumed>) = 0x7f41d8643000 [pid 416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 415] <... set_robust_list resumed>) = 0 [pid 414] <... set_robust_list resumed>) = 0 [pid 413] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 415] <... prctl resumed>) = 0 [pid 414] <... prctl resumed>) = 0 [pid 415] setpgid(0, 0 [pid 414] setpgid(0, 0 [pid 415] <... setpgid resumed>) = 0 [pid 414] <... setpgid resumed>) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 415] <... openat resumed>) = 3 [pid 414] <... openat resumed>) = 3 [pid 415] write(3, "1000", 4 [pid 414] write(3, "1000", 4 [pid 415] <... write resumed>) = 4 [pid 414] <... write resumed>) = 4 [pid 415] close(3 [pid 414] close(3 [pid 415] <... close resumed>) = 0 [pid 414] <... close resumed>) = 0 [pid 415] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... futex resumed>) = 0 [pid 414] <... futex resumed>) = 0 [pid 415] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 414] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 414] <... rt_sigaction resumed>NULL, 8) = 0 [pid 415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 416] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 416] <... openat resumed>) = 3 [pid 415] <... mmap resumed>) = 0x7f41e0a43000 [pid 414] <... mmap resumed>) = 0x7f41e0a43000 [pid 415] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 414] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 416] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 415] <... mprotect resumed>) = 0 [pid 414] <... mprotect resumed>) = 0 [pid 415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 414] rt_sigprocmask(SIG_BLOCK, ~[], [pid 415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 414] <... rt_sigprocmask resumed>[], 8) = 0 [pid 413] <... write resumed>) = 262144 [pid 415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 413] munmap(0x7f41d8643000, 138412032) = 0 [pid 415] <... clone3 resumed> => {parent_tid=[417]}, 88) = 417 [pid 414] <... clone3 resumed> => {parent_tid=[418]}, 88) = 418 [pid 413] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 415] rt_sigprocmask(SIG_SETMASK, [], [pid 414] rt_sigprocmask(SIG_SETMASK, [], [pid 413] <... openat resumed>) = 5 [pid 415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 413] ioctl(5, LOOP_SET_FD, 4 [pid 415] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 415] <... futex resumed>) = 0 [pid 414] <... futex resumed>) = 0 [pid 413] ioctl(5, LOOP_CLR_FD [pid 415] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 414] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 413] <... ioctl resumed>) = 0 [pid 416] <... futex resumed>) = 1 [pid 412] <... futex resumed>) = 0 [pid 412] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 412] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 416] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 413] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 413] close(5) = 0 [pid 413] close(4 [pid 416] <... write resumed>) = 4096 [pid 413] <... close resumed>) = 0 ./strace-static-x86_64: Process 417 attached [pid 416] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 413] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] set_robust_list(0x7f41e0a639a0, 24 [pid 413] <... futex resumed>) = 1 [pid 411] <... futex resumed>) = 0 [pid 417] <... set_robust_list resumed>) = 0 [pid 413] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 416] <... futex resumed>) = 1 [pid 412] <... futex resumed>) = 0 [pid 411] exit_group(0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], [pid 413] <... futex resumed>) = ? [pid 412] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 411] <... exit_group resumed>) = ? [pid 417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 416] memfd_create("syzkaller", 0 [pid 413] +++ exited with 0 +++ [pid 412] <... futex resumed>) = 0 [pid 411] +++ exited with 0 +++ [pid 417] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 416] <... memfd_create resumed>) = 4 [pid 412] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 417] <... openat resumed>) = 3 [pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 417] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 416] <... mmap resumed>) = 0x7f41d8643000 [pid 415] <... futex resumed>) = 0 [pid 417] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] <... futex resumed>) = 0 [pid 417] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 415] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 417] <... write resumed>) = 4096 [pid 417] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 415] <... futex resumed>) = 0 [pid 417] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 415] <... futex resumed>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 417] memfd_create("syzkaller", 0 [pid 415] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 417] <... memfd_create resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 417] <... mmap resumed>) = 0x7f41d8643000 [pid 417] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 416] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 307] <... ioctl resumed>) = 0 [pid 417] <... write resumed>) = 262144 [pid 307] close(3) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 417] munmap(0x7f41d8643000, 138412032) = 0 [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 419 [pid 417] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 417] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x55555610b6a0, 24 [pid 416] <... write resumed>) = 262144 [pid 417] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 417] close(5) = 0 [pid 417] close(4) = 0 [pid 419] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 418 attached [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 417] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] munmap(0x7f41d8643000, 138412032 [pid 419] <... prctl resumed>) = 0 [pid 417] <... futex resumed>) = 1 [pid 415] <... futex resumed>) = 0 [pid 419] setpgid(0, 0 [pid 418] set_robust_list(0x7f41e0a639a0, 24 [pid 417] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 415] exit_group(0 [pid 419] <... setpgid resumed>) = 0 [pid 418] <... set_robust_list resumed>) = 0 [pid 417] <... futex resumed>) = ? [pid 416] <... munmap resumed>) = 0 [pid 415] <... exit_group resumed>) = ? [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 418] rt_sigprocmask(SIG_SETMASK, [], [pid 417] +++ exited with 0 +++ [pid 416] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 415] +++ exited with 0 +++ [pid 419] <... openat resumed>) = 3 [pid 418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 416] <... openat resumed>) = 5 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 419] write(3, "1000", 4 [pid 418] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 416] ioctl(5, LOOP_SET_FD, 4 [pid 419] <... write resumed>) = 4 [pid 419] close(3 [pid 418] <... openat resumed>) = 3 [pid 416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 419] <... close resumed>) = 0 [pid 419] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] ioctl(5, LOOP_CLR_FD [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 419] <... futex resumed>) = 0 [pid 418] <... futex resumed>) = 1 [pid 416] <... ioctl resumed>) = 0 [pid 414] <... futex resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 419] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 414] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 306] ioctl(3, LOOP_CLR_FD [pid 419] <... rt_sigaction resumed>NULL, 8) = 0 [pid 414] <... futex resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 418] <... write resumed>) = 4096 [pid 414] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] close(3 [pid 419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 418] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 418] <... futex resumed>) = 0 [pid 414] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... close resumed>) = 0 [pid 419] <... mmap resumed>) = 0x7f41e0a43000 [pid 418] memfd_create("syzkaller", 0 [pid 414] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 419] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 418] <... memfd_create resumed>) = 4 [pid 416] ioctl(5, LOOP_SET_FD, 4 [pid 414] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 419] <... mprotect resumed>) = 0 [pid 419] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 420 [pid 419] <... clone3 resumed> => {parent_tid=[421]}, 88) = 421 [pid 418] <... mmap resumed>) = 0x7f41d8643000 [pid 416] close(5 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] <... close resumed>) = 0 [pid 419] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] close(4 [pid 419] <... futex resumed>) = 0 [pid 419] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x55555610b6a0, 24) = 0 [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 421 attached [pid 420] write(3, "1000", 4 [pid 416] <... close resumed>) = 0 [pid 421] set_robust_list(0x7f41e0a639a0, 24 [pid 420] <... write resumed>) = 4 [pid 421] <... set_robust_list resumed>) = 0 [pid 420] close(3 [pid 421] rt_sigprocmask(SIG_SETMASK, [], [pid 420] <... close resumed>) = 0 [pid 421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 420] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 416] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 420] <... futex resumed>) = 0 [pid 416] <... futex resumed>) = 1 [pid 412] <... futex resumed>) = 0 [pid 421] <... openat resumed>) = 3 [pid 420] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 416] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 412] exit_group(0 [pid 421] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 416] <... futex resumed>) = ? [pid 412] <... exit_group resumed>) = ? [pid 421] <... futex resumed>) = 1 [pid 420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 419] <... futex resumed>) = 0 [pid 421] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 419] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 419] <... futex resumed>) = 0 [pid 421] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 420] <... mmap resumed>) = 0x7f41e0a43000 [pid 419] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 421] <... write resumed>) = 4096 [pid 420] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 421] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 420] <... mprotect resumed>) = 0 [pid 421] <... futex resumed>) = 1 [pid 420] rt_sigprocmask(SIG_BLOCK, ~[], [pid 419] <... futex resumed>) = 0 [pid 421] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] <... rt_sigprocmask resumed>[], 8) = 0 [pid 419] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 419] <... futex resumed>) = 0 [pid 421] memfd_create("syzkaller", 0 [pid 419] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 416] +++ exited with 0 +++ [pid 412] +++ exited with 0 +++ [pid 421] <... memfd_create resumed>) = 4 [pid 420] <... clone3 resumed> => {parent_tid=[422]}, 88) = 422 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [], [pid 421] <... mmap resumed>) = 0x7f41d8643000 [pid 420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 418] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 421] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 420] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 420] <... futex resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 420] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] ioctl(3, LOOP_CLR_FD [pid 421] <... write resumed>) = 262144 [pid 308] <... ioctl resumed>) = 0 [pid 308] close(3) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 423 [pid 421] munmap(0x7f41d8643000, 138412032./strace-static-x86_64: Process 422 attached ) = 0 [pid 422] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 421] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 418] <... write resumed>) = 262144 [pid 422] rt_sigprocmask(SIG_SETMASK, [], [pid 421] <... openat resumed>) = 5 [pid 422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 421] ioctl(5, LOOP_SET_FD, 4 [pid 418] munmap(0x7f41d8643000, 138412032 [pid 422] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 421] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 422] <... openat resumed>) = 3 [pid 421] ioctl(5, LOOP_CLR_FD./strace-static-x86_64: Process 423 attached [pid 422] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... ioctl resumed>) = 0 [pid 418] <... munmap resumed>) = 0 [pid 423] set_robust_list(0x55555610b6a0, 24 [pid 422] <... futex resumed>) = 1 [pid 420] <... futex resumed>) = 0 [pid 418] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 423] <... set_robust_list resumed>) = 0 [pid 422] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 420] <... futex resumed>) = 0 [pid 418] <... openat resumed>) = 5 [pid 423] <... prctl resumed>) = 0 [pid 422] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 420] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 418] ioctl(5, LOOP_SET_FD, 4 [pid 423] setpgid(0, 0 [pid 422] <... write resumed>) = 4096 [pid 421] ioctl(5, LOOP_SET_FD, 4 [pid 418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 423] <... setpgid resumed>) = 0 [pid 422] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 421] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 418] ioctl(5, LOOP_CLR_FD [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 422] <... futex resumed>) = 1 [pid 421] close(5 [pid 420] <... futex resumed>) = 0 [pid 418] <... ioctl resumed>) = 0 [pid 423] <... openat resumed>) = 3 [pid 422] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 421] <... close resumed>) = 0 [pid 420] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] write(3, "1000", 4 [pid 422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 421] close(4 [pid 420] <... futex resumed>) = 0 [pid 423] <... write resumed>) = 4 [pid 422] memfd_create("syzkaller", 0 [pid 421] <... close resumed>) = 0 [pid 420] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 423] close(3 [pid 422] <... memfd_create resumed>) = 4 [pid 421] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 418] ioctl(5, LOOP_SET_FD, 4 [pid 423] <... close resumed>) = 0 [pid 422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 421] <... futex resumed>) = 1 [pid 419] <... futex resumed>) = 0 [pid 418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 423] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] <... mmap resumed>) = 0x7f41d8643000 [pid 421] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 419] exit_group(0 [pid 418] close(5 [pid 423] <... futex resumed>) = 0 [pid 422] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 421] <... futex resumed>) = ? [pid 419] <... exit_group resumed>) = ? [pid 423] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 422] <... write resumed>) = 262144 [pid 421] +++ exited with 0 +++ [pid 419] +++ exited with 0 +++ [pid 418] <... close resumed>) = 0 [pid 423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 422] munmap(0x7f41d8643000, 138412032 [pid 418] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 422] <... munmap resumed>) = 0 [pid 423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 422] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 422] <... openat resumed>) = 5 [pid 423] <... mmap resumed>) = 0x7f41e0a43000 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 423] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 422] ioctl(5, LOOP_SET_FD, 4 [pid 423] <... mprotect resumed>) = 0 [pid 422] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 418] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 422] ioctl(5, LOOP_CLR_FD [pid 418] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] ioctl(3, LOOP_CLR_FD [pid 423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 422] <... ioctl resumed>) = 0 [pid 418] <... futex resumed>) = 1 [pid 414] <... futex resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 418] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 414] exit_group(0 [pid 307] close(3 [pid 418] <... futex resumed>) = ? [pid 414] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 423] <... clone3 resumed> => {parent_tid=[424]}, 88) = 424 [pid 418] +++ exited with 0 +++ [pid 414] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 423] rt_sigprocmask(SIG_SETMASK, [], [pid 422] ioctl(5, LOOP_SET_FD, 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 422] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 423] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 422] close(5 [pid 423] <... futex resumed>) = 0 [pid 422] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 423] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 422] close(4 [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 425 [pid 422] <... close resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 422] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... ioctl resumed>) = 0 [pid 422] <... futex resumed>) = 1 [pid 420] <... futex resumed>) = 0 [pid 309] close(3 [pid 422] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 420] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 422] <... futex resumed>) = ? [pid 420] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 425 attached [pid 422] +++ exited with 0 +++ [pid 420] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 427 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 425] set_robust_list(0x55555610b6a0, 24 [pid 306] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 424 attached [pid 425] <... set_robust_list resumed>) = 0 [pid 424] set_robust_list(0x7f41e0a639a0, 24 [pid 306] <... restart_syscall resumed>) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 424] <... set_robust_list resumed>) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] <... prctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 425] setpgid(0, 0 [pid 424] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 425] <... setpgid resumed>) = 0 [pid 424] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 424] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] ioctl(3, LOOP_CLR_FD [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 424] <... futex resumed>) = 1 [pid 423] <... futex resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 427 attached [pid 425] <... openat resumed>) = 3 [pid 424] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 423] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] close(3 [pid 427] set_robust_list(0x55555610b6a0, 24 [pid 425] write(3, "1000", 4 [pid 424] <... write resumed>) = 4096 [pid 423] <... futex resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 427] <... set_robust_list resumed>) = 0 [pid 424] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 423] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 425] <... write resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 425] close(3 [pid 424] <... futex resumed>) = 0 [pid 423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... prctl resumed>) = 0 [pid 424] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] setpgid(0, 0 [pid 424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 423] <... futex resumed>) = 0 [pid 427] <... setpgid resumed>) = 0 [pid 424] memfd_create("syzkaller", 0 [pid 423] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 425] <... close resumed>) = 0 [pid 424] <... memfd_create resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 428 [pid 427] <... openat resumed>) = 3 [pid 425] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 427] write(3, "1000", 4 [pid 425] <... futex resumed>) = 0 [pid 424] <... mmap resumed>) = 0x7f41d8643000 [pid 427] <... write resumed>) = 4 [pid 425] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 424] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 427] close(3 [pid 425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 424] <... write resumed>) = 262144 ./strace-static-x86_64: Process 428 attached [pid 427] <... close resumed>) = 0 [pid 425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 428] set_robust_list(0x55555610b6a0, 24 [pid 427] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] <... set_robust_list resumed>) = 0 [pid 427] <... futex resumed>) = 0 [pid 425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 427] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 425] <... mmap resumed>) = 0x7f41e0a43000 [pid 428] <... prctl resumed>) = 0 [pid 427] <... rt_sigaction resumed>NULL, 8) = 0 [pid 425] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 424] munmap(0x7f41d8643000, 138412032 [pid 428] setpgid(0, 0 [pid 427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 425] <... mprotect resumed>) = 0 [pid 424] <... munmap resumed>) = 0 [pid 428] <... setpgid resumed>) = 0 [pid 427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 424] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 428] <... openat resumed>) = 3 [pid 427] <... mmap resumed>) = 0x7f41e0a43000 [pid 425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 424] <... openat resumed>) = 5 [pid 428] write(3, "1000", 4 [pid 427] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 424] ioctl(5, LOOP_SET_FD, 4 [pid 428] <... write resumed>) = 4 [pid 427] <... mprotect resumed>) = 0 [pid 424] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 428] close(3 [pid 427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 425] <... clone3 resumed> => {parent_tid=[429]}, 88) = 429 [pid 424] ioctl(5, LOOP_CLR_FD [pid 428] <... close resumed>) = 0 [pid 427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 425] rt_sigprocmask(SIG_SETMASK, [], [pid 424] <... ioctl resumed>) = 0 [pid 428] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] <... futex resumed>) = 0 [pid 425] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 427] <... clone3 resumed> => {parent_tid=[430]}, 88) = 430 [pid 425] <... futex resumed>) = 0 [pid 428] <... rt_sigaction resumed>NULL, 8) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], [pid 425] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 427] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 424] ioctl(5, LOOP_SET_FD, 4 [pid 428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 427] <... futex resumed>) = 0 [pid 424] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 428] <... mmap resumed>) = 0x7f41e0a43000 [pid 427] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 424] close(5./strace-static-x86_64: Process 429 attached [pid 428] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 424] <... close resumed>) = 0 [pid 428] <... mprotect resumed>) = 0 [pid 424] close(4 [pid 429] set_robust_list(0x7f41e0a639a0, 24./strace-static-x86_64: Process 430 attached [pid 428] rt_sigprocmask(SIG_BLOCK, ~[], [pid 424] <... close resumed>) = 0 [pid 430] set_robust_list(0x7f41e0a639a0, 24 [pid 429] <... set_robust_list resumed>) = 0 [pid 428] <... rt_sigprocmask resumed>[], 8) = 0 [pid 424] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... set_robust_list resumed>) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], [pid 428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 424] <... futex resumed>) = 1 [pid 423] <... futex resumed>) = 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], [pid 424] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 423] exit_group(0 [pid 430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 428] <... clone3 resumed> => {parent_tid=[431]}, 88) = 431 [pid 424] <... futex resumed>) = ? [pid 423] <... exit_group resumed>) = ? [pid 430] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 428] rt_sigprocmask(SIG_SETMASK, [], [pid 424] +++ exited with 0 +++ [pid 423] +++ exited with 0 +++ [pid 430] <... openat resumed>) = 3 [pid 428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 430] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 430] <... futex resumed>) = 1 [pid 428] <... futex resumed>) = 0 [pid 427] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 430] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 430] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 427] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... ioctl resumed>) = 0 [pid 308] close(3) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 432 ./strace-static-x86_64: Process 431 attached [pid 431] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 431] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] <... write resumed>) = 4096 [pid 429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 431] <... futex resumed>) = 1 [pid 428] <... futex resumed>) = 0 [pid 431] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 430] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 428] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] <... write resumed>) = 4096 [pid 430] <... futex resumed>) = 1 [pid 429] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 428] <... futex resumed>) = 0 [pid 427] <... futex resumed>) = 0 [pid 431] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 427] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... openat resumed>) = 3 [pid 431] <... futex resumed>) = 0 [pid 430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 427] <... futex resumed>) = 0 [pid 429] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 432 attached [pid 431] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 430] memfd_create("syzkaller", 0 [pid 428] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 427] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 425] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = 1 [pid 432] set_robust_list(0x55555610b6a0, 24 [pid 431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 430] <... memfd_create resumed>) = 4 [pid 429] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 428] <... futex resumed>) = 0 [pid 425] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... set_robust_list resumed>) = 0 [pid 431] memfd_create("syzkaller", 0 [pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 428] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 425] <... futex resumed>) = 0 [pid 429] <... write resumed>) = 4096 [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 431] <... memfd_create resumed>) = 4 [pid 430] <... mmap resumed>) = 0x7f41d8643000 [pid 429] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 432] <... prctl resumed>) = 0 [pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 430] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 429] <... futex resumed>) = 0 [pid 425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] setpgid(0, 0 [pid 431] <... mmap resumed>) = 0x7f41d8643000 [pid 430] <... write resumed>) = 262144 [pid 429] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... setpgid resumed>) = 0 [pid 431] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 430] munmap(0x7f41d8643000, 138412032 [pid 429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 425] <... futex resumed>) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 430] <... munmap resumed>) = 0 [pid 429] memfd_create("syzkaller", 0 [pid 425] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 432] <... openat resumed>) = 3 [pid 430] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 432] write(3, "1000", 4 [pid 431] <... write resumed>) = 262144 [pid 430] <... openat resumed>) = 5 [pid 429] <... memfd_create resumed>) = 4 [pid 432] <... write resumed>) = 4 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 432] close(3 [pid 431] munmap(0x7f41d8643000, 138412032 [pid 430] ioctl(5, LOOP_SET_FD, 4 [pid 432] <... close resumed>) = 0 [pid 431] <... munmap resumed>) = 0 [pid 430] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 429] <... mmap resumed>) = 0x7f41d8643000 [pid 432] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 430] ioctl(5, LOOP_CLR_FD [pid 432] <... futex resumed>) = 0 [pid 431] <... openat resumed>) = 5 [pid 430] <... ioctl resumed>) = 0 [pid 432] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 431] ioctl(5, LOOP_SET_FD, 4 [pid 432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 431] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 431] ioctl(5, LOOP_CLR_FD [pid 432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 431] <... ioctl resumed>) = 0 [pid 432] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 430] ioctl(5, LOOP_SET_FD, 4 [pid 432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 430] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 430] close(5 [pid 429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 432] <... clone3 resumed> => {parent_tid=[433]}, 88) = 433 [pid 430] <... close resumed>) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], [pid 431] ioctl(5, LOOP_SET_FD, 4 [pid 430] close(4 [pid 432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 431] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 430] <... close resumed>) = 0 [pid 432] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 431] close(5 [pid 430] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 432] <... futex resumed>) = 0 [pid 431] <... close resumed>) = 0 [pid 430] <... futex resumed>) = 1 [pid 427] <... futex resumed>) = 0 [pid 432] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 431] close(4 [pid 430] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 427] exit_group(0 [pid 431] <... close resumed>) = 0 [pid 430] <... futex resumed>) = ? [pid 429] <... write resumed>) = 262144 [pid 427] <... exit_group resumed>) = ? [pid 431] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 430] +++ exited with 0 +++ [pid 429] munmap(0x7f41d8643000, 138412032 [pid 427] +++ exited with 0 +++ [pid 431] <... futex resumed>) = 1 [pid 428] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 431] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 428] exit_group(0 [pid 431] <... futex resumed>) = ? [pid 429] <... munmap resumed>) = 0 [pid 428] <... exit_group resumed>) = ? [pid 431] +++ exited with 0 +++ [pid 429] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 428] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 433 attached ) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 429] <... openat resumed>) = 5 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 309] <... ioctl resumed>) = 0 [pid 429] ioctl(5, LOOP_SET_FD, 4 [pid 309] close(3 [pid 433] set_robust_list(0x7f41e0a639a0, 24 [pid 309] <... close resumed>) = 0 [pid 429] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 429] ioctl(5, LOOP_CLR_FD [pid 433] <... set_robust_list resumed>) = 0 [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 433] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 432] <... futex resumed>) = 0 [pid 433] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 432] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 429] <... ioctl resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 432] <... futex resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 434 [pid 433] <... write resumed>) = 4096 [pid 432] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 433] <... futex resumed>) = 1 [pid 432] <... futex resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 433] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 434 attached [pid 433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 432] <... futex resumed>) = 0 [pid 429] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... ioctl resumed>) = 0 [pid 434] set_robust_list(0x55555610b6a0, 24 [pid 433] memfd_create("syzkaller", 0 [pid 432] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 429] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] close(3 [pid 434] <... set_robust_list resumed>) = 0 [pid 433] <... memfd_create resumed>) = 4 [pid 429] close(5 [pid 306] <... close resumed>) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 429] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 434] <... prctl resumed>) = 0 [pid 433] <... mmap resumed>) = 0x7f41d8643000 [pid 429] close(4 [pid 434] setpgid(0, 0 [pid 433] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 434] <... setpgid resumed>) = 0 [pid 433] <... write resumed>) = 262144 [pid 429] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 435 [pid 429] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 425] <... futex resumed>) = 0 [pid 429] <... futex resumed>) = 1 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 429] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 425] exit_group(0 [pid 434] <... openat resumed>) = 3 ./strace-static-x86_64: Process 435 attached [pid 434] write(3, "1000", 4 [pid 433] munmap(0x7f41d8643000, 138412032 [pid 429] <... futex resumed>) = ? [pid 425] <... exit_group resumed>) = ? [pid 434] <... write resumed>) = 4 [pid 434] close(3 [pid 433] <... munmap resumed>) = 0 [pid 434] <... close resumed>) = 0 [pid 435] set_robust_list(0x55555610b6a0, 24 [pid 434] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 435] <... set_robust_list resumed>) = 0 [pid 434] <... futex resumed>) = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 434] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 433] <... openat resumed>) = 5 [pid 429] +++ exited with 0 +++ [pid 425] +++ exited with 0 +++ [pid 435] <... prctl resumed>) = 0 [pid 434] <... rt_sigaction resumed>NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 435] setpgid(0, 0 [pid 434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 433] ioctl(5, LOOP_SET_FD, 4 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 435] <... setpgid resumed>) = 0 [pid 434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 433] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... restart_syscall resumed>) = 0 [pid 435] <... openat resumed>) = 3 [pid 434] <... mmap resumed>) = 0x7f41e0a43000 [pid 435] write(3, "1000", 4 [pid 434] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 433] ioctl(5, LOOP_CLR_FD [pid 435] <... write resumed>) = 4 [pid 434] <... mprotect resumed>) = 0 [pid 433] <... ioctl resumed>) = 0 [pid 435] close(3 [pid 434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 435] <... close resumed>) = 0 [pid 434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 435] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] <... openat resumed>) = 3 [pid 435] <... futex resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 435] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 434] <... clone3 resumed> => {parent_tid=[436]}, 88) = 436 [pid 433] ioctl(5, LOOP_SET_FD, 4 [pid 307] <... ioctl resumed>) = 0 [pid 435] <... rt_sigaction resumed>NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], [pid 433] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] close(3 [pid 435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 433] close(5 [pid 435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 434] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 433] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 434] <... futex resumed>) = 0 [pid 433] close(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 435] <... mmap resumed>) = 0x7f41e0a43000 [pid 434] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 433] <... close resumed>) = 0 [pid 435] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 433] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 435] <... mprotect resumed>) = 0 [pid 433] <... futex resumed>) = 1 [pid 432] <... futex resumed>) = 0 [pid 435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 433] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 432] exit_group(0 [pid 435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 433] <... futex resumed>) = ? [pid 432] <... exit_group resumed>) = ? [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 437 [pid 435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 433] +++ exited with 0 +++ [pid 432] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 435] <... clone3 resumed> => {parent_tid=[438]}, 88) = 438 [pid 435] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 437 attached NULL, 8) = 0 [pid 437] set_robust_list(0x55555610b6a0, 24 [pid 435] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] <... set_robust_list resumed>) = 0 [pid 435] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 435] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 437] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] ioctl(3, LOOP_CLR_FD) = 0 [pid 308] close(3 [pid 437] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 437] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 439 ./strace-static-x86_64: Process 438 attached [pid 437] <... close resumed>) = 0 [pid 438] set_robust_list(0x7f41e0a639a0, 24 [pid 437] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... set_robust_list resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], [pid 437] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 438] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 438] <... openat resumed>) = 3 [pid 437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 438] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 438] <... futex resumed>) = 1 [pid 437] <... mmap resumed>) = 0x7f41e0a43000 [pid 435] <... futex resumed>) = 0 [pid 438] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 435] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] <... mprotect resumed>) = 0 [pid 435] <... futex resumed>) = 0 ./strace-static-x86_64: Process 436 attached [pid 438] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 435] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 438] <... write resumed>) = 4096 [pid 437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 436] set_robust_list(0x7f41e0a639a0, 24 [pid 438] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 438] <... futex resumed>) = 1 [pid 435] <... futex resumed>) = 0 [pid 436] <... set_robust_list resumed>) = 0 [pid 438] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] <... clone3 resumed> => {parent_tid=[440]}, 88) = 440 [pid 436] rt_sigprocmask(SIG_SETMASK, [], [pid 435] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 437] rt_sigprocmask(SIG_SETMASK, [], [pid 435] <... futex resumed>) = 0 [pid 438] memfd_create("syzkaller", 0 [pid 437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 435] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 438] <... memfd_create resumed>) = 4 [pid 437] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 439 attached [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 437] <... futex resumed>) = 0 [pid 436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 438] <... mmap resumed>) = 0x7f41d8643000 [pid 437] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] set_robust_list(0x55555610b6a0, 24 [pid 438] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 436] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 439] <... set_robust_list resumed>) = 0 [pid 438] <... write resumed>) = 262144 [pid 436] <... openat resumed>) = 3 [pid 436] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 438] munmap(0x7f41d8643000, 138412032 [pid 436] <... futex resumed>) = 1 [pid 434] <... futex resumed>) = 0 [pid 434] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 434] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 439] <... prctl resumed>) = 0 [pid 438] <... munmap resumed>) = 0 [pid 436] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 439] setpgid(0, 0 [pid 436] <... write resumed>) = 4096 ./strace-static-x86_64: Process 440 attached [pid 439] <... setpgid resumed>) = 0 [pid 438] <... openat resumed>) = 5 [pid 436] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] set_robust_list(0x7f41e0a639a0, 24 [pid 438] ioctl(5, LOOP_SET_FD, 4 [pid 436] <... futex resumed>) = 1 [pid 434] <... futex resumed>) = 0 [pid 440] <... set_robust_list resumed>) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 438] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 436] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 434] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] rt_sigprocmask(SIG_SETMASK, [], [pid 438] ioctl(5, LOOP_CLR_FD [pid 436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 434] <... futex resumed>) = 0 [pid 440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 439] <... openat resumed>) = 3 [pid 438] <... ioctl resumed>) = 0 [pid 436] memfd_create("syzkaller", 0 [pid 434] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 440] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 439] write(3, "1000", 4 [pid 436] <... memfd_create resumed>) = 4 [pid 440] <... openat resumed>) = 3 [pid 439] <... write resumed>) = 4 [pid 440] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] close(3 [pid 436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 440] <... futex resumed>) = 1 [pid 439] <... close resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 440] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 436] <... mmap resumed>) = 0x7f41d8643000 [pid 440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 439] <... futex resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 440] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 438] ioctl(5, LOOP_SET_FD, 4 [pid 437] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 440] <... write resumed>) = 4096 [pid 438] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 440] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 438] close(5 [pid 440] <... futex resumed>) = 1 [pid 439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 438] <... close resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 440] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 438] close(4 [pid 437] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 438] <... close resumed>) = 0 [pid 437] <... futex resumed>) = 0 [pid 440] memfd_create("syzkaller", 0 [pid 439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 438] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 440] <... memfd_create resumed>) = 4 [pid 439] <... mmap resumed>) = 0x7f41e0a43000 [pid 438] <... futex resumed>) = 1 [pid 435] <... futex resumed>) = 0 [pid 440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 439] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 438] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 435] exit_group(0 [pid 440] <... mmap resumed>) = 0x7f41d8643000 [pid 439] <... mprotect resumed>) = 0 [pid 438] <... futex resumed>) = ? [pid 435] <... exit_group resumed>) = ? [pid 440] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 438] +++ exited with 0 +++ [pid 436] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 435] +++ exited with 0 +++ [pid 439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 440] <... write resumed>) = 262144 [pid 439] <... clone3 resumed> => {parent_tid=[441]}, 88) = 441 [pid 439] rt_sigprocmask(SIG_SETMASK, [], [pid 440] munmap(0x7f41d8643000, 138412032 [pid 439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 439] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 441 attached [pid 440] <... munmap resumed>) = 0 [pid 439] <... futex resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 439] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] ioctl(3, LOOP_CLR_FD [pid 441] set_robust_list(0x7f41e0a639a0, 24 [pid 440] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 306] <... ioctl resumed>) = 0 [pid 441] <... set_robust_list resumed>) = 0 [pid 440] <... openat resumed>) = 5 [pid 436] <... write resumed>) = 262144 [pid 306] close(3 [pid 441] rt_sigprocmask(SIG_SETMASK, [], [pid 440] ioctl(5, LOOP_SET_FD, 4 [pid 441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 440] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 436] munmap(0x7f41d8643000, 138412032 [pid 306] <... close resumed>) = 0 [pid 441] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 440] ioctl(5, LOOP_CLR_FD [pid 441] <... openat resumed>) = 3 [pid 440] <... ioctl resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 441] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 441] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] <... futex resumed>) = 0 [pid 440] ioctl(5, LOOP_SET_FD, 4 [pid 439] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 442 [pid 441] <... futex resumed>) = 0 [pid 440] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 439] <... futex resumed>) = 1 [pid 436] <... munmap resumed>) = 0 [pid 441] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 440] close(5 [pid 439] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... write resumed>) = 4096 [pid 440] <... close resumed>) = 0 [pid 436] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 441] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 440] close(4 [pid 441] <... futex resumed>) = 1 [pid 440] <... close resumed>) = 0 [pid 439] <... futex resumed>) = 0 [pid 436] <... openat resumed>) = 5 [pid 441] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 440] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 437] <... futex resumed>) = 0 [pid 440] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 437] exit_group(0 [pid 440] <... futex resumed>) = ? [pid 437] <... exit_group resumed>) = ? [pid 441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 440] +++ exited with 0 +++ [pid 439] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 437] +++ exited with 0 +++ [pid 441] memfd_create("syzkaller", 0 [pid 439] <... futex resumed>) = 0 [pid 436] ioctl(5, LOOP_SET_FD, 4 [pid 441] <... memfd_create resumed>) = 4 [pid 439] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 441] <... mmap resumed>) = 0x7f41d8643000 [pid 436] ioctl(5, LOOP_CLR_FD [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 442 attached [pid 442] set_robust_list(0x55555610b6a0, 24) = 0 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0 [pid 441] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 436] <... ioctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 307] close(3 [pid 442] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 442] <... openat resumed>) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 442] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 436] ioctl(5, LOOP_SET_FD, 4 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 443 [pid 436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 442] <... rt_sigaction resumed>NULL, 8) = 0 [pid 436] close(5 [pid 442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 436] <... close resumed>) = 0 [pid 442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 442] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 436] close(4 [pid 442] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 443 attached [pid 442] rt_sigprocmask(SIG_BLOCK, ~[], [pid 443] set_robust_list(0x55555610b6a0, 24 [pid 442] <... rt_sigprocmask resumed>[], 8) = 0 [pid 443] <... set_robust_list resumed>) = 0 [pid 442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] <... clone3 resumed> => {parent_tid=[444]}, 88) = 444 [pid 443] setpgid(0, 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], [pid 436] <... close resumed>) = 0 [pid 443] <... setpgid resumed>) = 0 [pid 442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 442] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... openat resumed>) = 3 [pid 442] <... futex resumed>) = 0 [pid 436] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] write(3, "1000", 4 [pid 442] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 436] <... futex resumed>) = 1 [pid 434] <... futex resumed>) = 0 [pid 443] <... write resumed>) = 4 [pid 434] exit_group(0 [pid 436] exit_group(0 [pid 443] close(3 [pid 441] <... write resumed>) = 262144 [pid 434] <... exit_group resumed>) = ? [pid 443] <... close resumed>) = 0 [pid 441] munmap(0x7f41d8643000, 138412032 [pid 436] +++ exited with 0 +++ [pid 434] +++ exited with 0 +++ ./strace-static-x86_64: Process 444 attached [pid 443] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 444] set_robust_list(0x7f41e0a639a0, 24 [pid 443] <... futex resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 444] <... set_robust_list resumed>) = 0 [pid 443] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 441] <... munmap resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], [pid 443] <... rt_sigaction resumed>NULL, 8) = 0 [pid 441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 444] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 441] <... openat resumed>) = 5 [pid 444] <... openat resumed>) = 3 [pid 443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 441] ioctl(5, LOOP_SET_FD, 4 [pid 444] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... mmap resumed>) = 0x7f41e0a43000 [pid 309] <... openat resumed>) = 3 [pid 444] <... futex resumed>) = 1 [pid 443] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 442] <... futex resumed>) = 0 [pid 441] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] ioctl(3, LOOP_CLR_FD [pid 444] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] <... mprotect resumed>) = 0 [pid 442] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 441] ioctl(5, LOOP_CLR_FD [pid 309] <... ioctl resumed>) = 0 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 442] <... futex resumed>) = 0 [pid 441] <... ioctl resumed>) = 0 [pid 309] close(3 [pid 444] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 442] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... close resumed>) = 0 [pid 444] <... write resumed>) = 4096 [pid 443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 444] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... clone3 resumed> => {parent_tid=[445]}, 88) = 445 [pid 442] <... futex resumed>) = 0 [pid 444] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] rt_sigprocmask(SIG_SETMASK, [], [pid 442] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 442] <... futex resumed>) = 0 [pid 444] memfd_create("syzkaller", 0 [pid 443] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 442] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 444] <... memfd_create resumed>) = 4 [pid 443] <... futex resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 446 [pid 441] ioctl(5, LOOP_SET_FD, 4 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 443] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 441] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 444] <... mmap resumed>) = 0x7f41d8643000 [pid 441] close(5./strace-static-x86_64: Process 445 attached [pid 444] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 446 attached [pid 445] set_robust_list(0x7f41e0a639a0, 24 [pid 444] <... write resumed>) = 262144 [pid 441] <... close resumed>) = 0 [pid 446] set_robust_list(0x55555610b6a0, 24 [pid 445] <... set_robust_list resumed>) = 0 [pid 441] close(4 [pid 446] <... set_robust_list resumed>) = 0 [pid 444] munmap(0x7f41d8643000, 138412032 [pid 445] rt_sigprocmask(SIG_SETMASK, [], [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 444] <... munmap resumed>) = 0 [pid 446] <... prctl resumed>) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 446] setpgid(0, 0 [pid 444] <... openat resumed>) = 5 [pid 446] <... setpgid resumed>) = 0 [pid 445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] ioctl(5, LOOP_SET_FD, 4 [pid 441] <... close resumed>) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 444] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 446] <... openat resumed>) = 3 [pid 444] ioctl(5, LOOP_CLR_FD [pid 446] write(3, "1000", 4 [pid 444] <... ioctl resumed>) = 0 [pid 446] <... write resumed>) = 4 [pid 446] close(3) = 0 [pid 445] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 441] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 441] <... futex resumed>) = 1 [pid 439] <... futex resumed>) = 0 [pid 445] <... openat resumed>) = 3 [pid 446] <... rt_sigaction resumed>NULL, 8) = 0 [pid 446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 444] ioctl(5, LOOP_SET_FD, 4 [pid 446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 444] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 444] close(5 [pid 446] <... mmap resumed>) = 0x7f41e0a43000 [pid 445] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 444] <... close resumed>) = 0 [pid 441] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 439] exit_group(0 [pid 446] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 445] <... futex resumed>) = 1 [pid 444] close(4 [pid 443] <... futex resumed>) = 0 [pid 441] <... futex resumed>) = ? [pid 439] <... exit_group resumed>) = ? [pid 446] <... mprotect resumed>) = 0 [pid 445] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 444] <... close resumed>) = 0 [pid 443] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 444] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 443] <... futex resumed>) = 0 [pid 441] +++ exited with 0 +++ [pid 446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 444] <... futex resumed>) = 1 [pid 443] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 442] <... futex resumed>) = 0 [pid 446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 444] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 442] exit_group(0 [pid 444] <... futex resumed>) = ? [pid 442] <... exit_group resumed>) = ? [pid 446] <... clone3 resumed> => {parent_tid=[447]}, 88) = 447 [pid 445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 444] +++ exited with 0 +++ [pid 442] +++ exited with 0 +++ [pid 439] +++ exited with 0 +++ [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 446] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 445] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 445] <... write resumed>) = 4096 [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 445] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 443] <... futex resumed>) = 0 [pid 445] memfd_create("syzkaller", 0 [pid 443] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... restart_syscall resumed>) = 0 [pid 445] <... memfd_create resumed>) = 4 [pid 443] <... futex resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 443] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 306] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 445] <... mmap resumed>) = 0x7f41d8643000 [pid 308] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 308] ioctl(3, LOOP_CLR_FD [pid 306] <... ioctl resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 306] close(3 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 445] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 448 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 449 ./strace-static-x86_64: Process 448 attached ./strace-static-x86_64: Process 447 attached [pid 445] <... write resumed>) = 262144 [pid 448] set_robust_list(0x55555610b6a0, 24 [pid 447] set_robust_list(0x7f41e0a639a0, 24 [pid 445] munmap(0x7f41d8643000, 138412032) = 0 [pid 445] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5 [pid 445] ioctl(5, LOOP_SET_FD, 4 [pid 448] <... set_robust_list resumed>) = 0 [pid 447] <... set_robust_list resumed>) = 0 [pid 445] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 445] ioctl(5, LOOP_CLR_FD) = 0 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 447] rt_sigprocmask(SIG_SETMASK, [], [pid 448] <... prctl resumed>) = 0 [pid 447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 448] setpgid(0, 0./strace-static-x86_64: Process 449 attached ) = 0 [pid 447] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 449] set_robust_list(0x55555610b6a0, 24) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 447] <... openat resumed>) = 3 [pid 445] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 448] <... openat resumed>) = 3 [pid 447] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] write(3, "1000", 4 [pid 445] close(5) = 0 [pid 445] close(4 [pid 448] <... write resumed>) = 4 [pid 447] <... futex resumed>) = 1 [pid 446] <... futex resumed>) = 0 [pid 448] close(3 [pid 447] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] <... close resumed>) = 0 [pid 449] <... prctl resumed>) = 0 [pid 446] <... futex resumed>) = 0 [pid 449] setpgid(0, 0 [pid 446] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 449] <... setpgid resumed>) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 445] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 445] <... futex resumed>) = 1 [pid 443] <... futex resumed>) = 0 [pid 449] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 448] <... close resumed>) = 0 [pid 447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 445] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 443] exit_group(0 [pid 449] <... rt_sigaction resumed>NULL, 8) = 0 [pid 448] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 445] <... futex resumed>) = ? [pid 443] <... exit_group resumed>) = ? [pid 449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 448] <... futex resumed>) = 0 [pid 447] <... write resumed>) = 4096 [pid 445] +++ exited with 0 +++ [pid 443] +++ exited with 0 +++ [pid 449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 448] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 447] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 447] <... futex resumed>) = 1 [pid 446] <... futex resumed>) = 0 [pid 449] <... mmap resumed>) = 0x7f41e0a43000 [pid 448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 447] memfd_create("syzkaller", 0 [pid 446] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 446] <... futex resumed>) = 0 [pid 449] <... mprotect resumed>) = 0 [pid 447] <... memfd_create resumed>) = 4 [pid 446] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 448] <... mmap resumed>) = 0x7f41e0a43000 [pid 449] rt_sigprocmask(SIG_BLOCK, ~[], [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 449] <... rt_sigprocmask resumed>[], 8) = 0 [pid 448] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 307] <... openat resumed>) = 3 [pid 449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 447] <... mmap resumed>) = 0x7f41d8643000 [pid 448] <... mprotect resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 449] <... clone3 resumed> => {parent_tid=[450]}, 88) = 450 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 450] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 450] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 450] <... futex resumed>) = 1 [pid 450] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642) = 4096 [pid 450] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 448] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] close(3 [pid 449] <... futex resumed>) = 0 [pid 449] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 449] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 448] <... clone3 resumed> => {parent_tid=[451]}, 88) = 451 [pid 307] <... close resumed>) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 450] <... futex resumed>) = 1 [pid 450] memfd_create("syzkaller", 0) = 4 [pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 450] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 448] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 448] <... futex resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 452 ./strace-static-x86_64: Process 451 attached [pid 448] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] <... write resumed>) = 262144 ./strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x55555610b6a0, 24) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 451] set_robust_list(0x7f41e0a639a0, 24 [pid 447] munmap(0x7f41d8643000, 138412032 [pid 451] <... set_robust_list resumed>) = 0 [pid 452] <... prctl resumed>) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] rt_sigprocmask(SIG_SETMASK, [], [pid 447] <... munmap resumed>) = 0 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3 [pid 451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 452] <... close resumed>) = 0 [pid 452] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 452] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 451] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 447] <... openat resumed>) = 5 [pid 447] ioctl(5, LOOP_SET_FD, 4 [pid 451] <... openat resumed>) = 3 [pid 451] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 447] ioctl(5, LOOP_CLR_FD [pid 451] <... futex resumed>) = 1 [pid 448] <... futex resumed>) = 0 [pid 447] <... ioctl resumed>) = 0 [pid 451] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 448] <... futex resumed>) = 0 [pid 452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 451] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 450] <... write resumed>) = 262144 [pid 448] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 447] ioctl(5, LOOP_SET_FD, 4 [pid 451] <... write resumed>) = 4096 [pid 447] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 452] <... mmap resumed>) = 0x7f41e0a43000 [pid 447] close(5 [pid 451] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 447] <... close resumed>) = 0 [pid 451] <... futex resumed>) = 1 [pid 448] <... futex resumed>) = 0 [pid 447] close(4 [pid 451] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 450] munmap(0x7f41d8643000, 138412032 [pid 452] <... mprotect resumed>) = 0 [pid 452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 450] <... munmap resumed>) = 0 [pid 452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 448] <... futex resumed>) = 0 [pid 447] <... close resumed>) = 0 [pid 452] <... clone3 resumed> => {parent_tid=[453]}, 88) = 453 [pid 451] memfd_create("syzkaller", 0 [pid 450] <... openat resumed>) = 5 [pid 448] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 447] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 452] rt_sigprocmask(SIG_SETMASK, [], [pid 451] <... memfd_create resumed>) = 4 [pid 447] <... futex resumed>) = 1 [pid 446] <... futex resumed>) = 0 [pid 452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 450] ioctl(5, LOOP_SET_FD, 4 [pid 452] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 450] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 452] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 450] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 447] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 446] exit_group(0 [pid 450] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 450] close(5) = 0 [pid 450] close(4 [pid 451] <... mmap resumed>) = 0x7f41d8643000 [pid 450] <... close resumed>) = 0 [pid 447] <... futex resumed>) = ? [pid 446] <... exit_group resumed>) = ? [pid 453] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 450] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... openat resumed>) = 3 [pid 450] <... futex resumed>) = 1 [pid 449] <... futex resumed>) = 0 [pid 453] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 449] exit_group(0 [pid 453] <... futex resumed>) = 1 [pid 452] <... futex resumed>) = 0 [pid 450] <... futex resumed>) = ? [pid 449] <... exit_group resumed>) = ? [pid 453] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 452] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 450] +++ exited with 0 +++ [pid 449] +++ exited with 0 +++ [pid 452] <... futex resumed>) = 0 [pid 452] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 447] +++ exited with 0 +++ [pid 453] <... write resumed>) = 4096 [pid 453] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] memfd_create("syzkaller", 0 [pid 452] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 453] <... memfd_create resumed>) = 4 [pid 452] <... futex resumed>) = 0 [pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 452] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 453] <... mmap resumed>) = 0x7f41d8643000 [pid 446] +++ exited with 0 +++ [pid 453] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 451] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 451] <... write resumed>) = 262144 [pid 451] munmap(0x7f41d8643000, 138412032) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 451] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 453] <... write resumed>) = 262144 [pid 453] munmap(0x7f41d8643000, 138412032 [pid 306] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 451] <... openat resumed>) = 5 [pid 453] <... munmap resumed>) = 0 [pid 451] ioctl(5, LOOP_SET_FD, 4 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] ioctl(3, LOOP_CLR_FD [pid 453] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5 [pid 453] ioctl(5, LOOP_SET_FD, 4 [pid 451] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... ioctl resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 451] ioctl(5, LOOP_CLR_FD [pid 309] close(3 [pid 306] close(3 [pid 451] <... ioctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 453] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 453] ioctl(5, LOOP_CLR_FD) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 451] ioctl(5, LOOP_SET_FD, 4 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 454 [pid 453] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 453] close(5) = 0 [pid 451] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 451] close(5 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 455 [pid 453] close(4 [pid 451] <... close resumed>) = 0 [pid 453] <... close resumed>) = 0 [pid 451] close(4./strace-static-x86_64: Process 455 attached [pid 453] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 452] <... futex resumed>) = 0 [pid 453] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 452] exit_group(0 [pid 453] <... futex resumed>) = ? [pid 452] <... exit_group resumed>) = ? [pid 453] +++ exited with 0 +++ [pid 452] +++ exited with 0 +++ [pid 451] <... close resumed>) = 0 ./strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x55555610b6a0, 24) = 0 [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 454] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[456]}, 88) = 456 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 455] set_robust_list(0x55555610b6a0, 24 [pid 451] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... set_robust_list resumed>) = 0 [pid 451] <... futex resumed>) = 1 [pid 448] <... futex resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 451] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 448] exit_group(0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 455] <... prctl resumed>) = 0 [pid 451] <... futex resumed>) = ? [pid 448] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 ./strace-static-x86_64: Process 456 attached [pid 456] set_robust_list(0x7f41e0a639a0, 24 [pid 451] +++ exited with 0 +++ [pid 456] <... set_robust_list resumed>) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 455] setpgid(0, 0 [pid 448] +++ exited with 0 +++ [pid 307] ioctl(3, LOOP_CLR_FD [pid 456] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... setpgid resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 454] <... futex resumed>) = 0 [pid 454] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 454] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... futex resumed>) = 1 [pid 307] close(3 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 456] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 456] <... write resumed>) = 4096 [pid 308] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 455] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] ioctl(3, LOOP_CLR_FD [pid 455] write(3, "1000", 4 [pid 456] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] <... write resumed>) = 4 [pid 308] <... ioctl resumed>) = 0 [pid 456] <... futex resumed>) = 1 [pid 454] <... futex resumed>) = 0 [pid 456] memfd_create("syzkaller", 0 [pid 454] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... memfd_create resumed>) = 4 [pid 454] <... futex resumed>) = 0 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 454] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 456] <... mmap resumed>) = 0x7f41d8643000 [pid 455] close(3 [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 457 [pid 456] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 455] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 ./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x55555610b6a0, 24) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 455] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 457] <... prctl resumed>) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4 [pid 455] <... futex resumed>) = 0 [pid 457] <... write resumed>) = 4 [pid 457] close(3) = 0 [pid 455] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 458 [pid 457] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 457] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 457] <... rt_sigaction resumed>NULL, 8) = 0 [pid 457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 456] <... write resumed>) = 262144 [pid 455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 457] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 457] rt_sigprocmask(SIG_BLOCK, ~[], [pid 455] <... mmap resumed>) = 0x7f41e0a43000 [pid 455] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 457] <... rt_sigprocmask resumed>[], 8) = 0 [pid 455] <... mprotect resumed>) = 0 [pid 457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 456] munmap(0x7f41d8643000, 138412032 [pid 455] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 458 attached [pid 457] <... clone3 resumed> => {parent_tid=[459]}, 88) = 459 [pid 455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [], [pid 456] <... munmap resumed>) = 0 [pid 455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 457] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... openat resumed>) = 5 [pid 457] <... futex resumed>) = 0 [pid 456] ioctl(5, LOOP_SET_FD, 4 [pid 455] <... clone3 resumed> => {parent_tid=[460]}, 88) = 460 [pid 457] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 455] rt_sigprocmask(SIG_SETMASK, [], [pid 456] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 456] ioctl(5, LOOP_CLR_FD [pid 455] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 459 attached [pid 456] <... ioctl resumed>) = 0 [pid 455] <... futex resumed>) = 0 [pid 459] set_robust_list(0x7f41e0a639a0, 24 [pid 458] set_robust_list(0x55555610b6a0, 24 [pid 455] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 459] <... set_robust_list resumed>) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 458] <... set_robust_list resumed>) = 0 [pid 459] <... openat resumed>) = 3 [pid 456] ioctl(5, LOOP_SET_FD, 4 [pid 459] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 459] <... futex resumed>) = 1 [pid 457] <... futex resumed>) = 0 [pid 456] close(5 [pid 459] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 457] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... close resumed>) = 0 [pid 459] <... write resumed>) = 4096 [pid 458] <... prctl resumed>) = 0 [pid 457] <... futex resumed>) = 0 [pid 456] close(4./strace-static-x86_64: Process 460 attached [pid 459] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 458] setpgid(0, 0 [pid 457] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 456] <... close resumed>) = 0 [pid 459] <... futex resumed>) = 0 [pid 457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 456] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 456] <... futex resumed>) = 1 [pid 454] <... futex resumed>) = 0 [pid 459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 457] <... futex resumed>) = 0 [pid 456] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 454] exit_group(0 [pid 459] memfd_create("syzkaller", 0 [pid 457] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 456] <... futex resumed>) = ? [pid 454] <... exit_group resumed>) = ? [pid 460] set_robust_list(0x7f41e0a639a0, 24 [pid 459] <... memfd_create resumed>) = 4 [pid 458] <... setpgid resumed>) = 0 [pid 456] +++ exited with 0 +++ [pid 454] +++ exited with 0 +++ [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 460] <... set_robust_list resumed>) = 0 [pid 459] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 460] rt_sigprocmask(SIG_SETMASK, [], [pid 459] <... write resumed>) = 262144 [pid 458] <... openat resumed>) = 3 [pid 460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 460] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 459] munmap(0x7f41d8643000, 138412032 [pid 460] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 458] write(3, "1000", 4 [pid 460] <... futex resumed>) = 1 [pid 459] <... munmap resumed>) = 0 [pid 458] <... write resumed>) = 4 [pid 455] <... futex resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 460] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 458] close(3 [pid 455] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(3, LOOP_CLR_FD [pid 460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 459] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 458] <... close resumed>) = 0 [pid 455] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 460] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 459] <... openat resumed>) = 5 [pid 458] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 455] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] close(3 [pid 460] <... write resumed>) = 4096 [pid 459] ioctl(5, LOOP_SET_FD, 4 [pid 458] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 460] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 459] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 458] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 460] <... futex resumed>) = 1 [pid 459] ioctl(5, LOOP_CLR_FD [pid 458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 455] <... futex resumed>) = 0 [pid 459] <... ioctl resumed>) = 0 [pid 460] memfd_create("syzkaller", 0 [pid 458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 455] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... memfd_create resumed>) = 4 [pid 459] ioctl(5, LOOP_SET_FD, 4 [pid 458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 455] <... futex resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 461 [pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 459] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 455] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 460] <... mmap resumed>) = 0x7f41d8643000 [pid 459] close(5 [pid 458] <... mmap resumed>) = 0x7f41e0a43000 [pid 460] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 459] <... close resumed>) = 0 [pid 459] close(4) = 0 [pid 459] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 457] <... futex resumed>) = 0 [pid 459] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 457] exit_group(0 [pid 459] <... futex resumed>) = ? [pid 457] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 461 attached [pid 459] +++ exited with 0 +++ [pid 458] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 457] +++ exited with 0 +++ [pid 461] set_robust_list(0x55555610b6a0, 24 [pid 458] <... mprotect resumed>) = 0 [pid 461] <... set_robust_list resumed>) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 461] <... prctl resumed>) = 0 [pid 458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] <... restart_syscall resumed>) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] <... clone3 resumed> => {parent_tid=[462]}, 88) = 462 [pid 461] write(3, "1000", 4 [pid 458] rt_sigprocmask(SIG_SETMASK, [], [pid 461] <... write resumed>) = 4 [pid 458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 461] close(3 [pid 458] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 458] <... futex resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 458] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 462 attached [pid 461] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] close(3 [pid 462] set_robust_list(0x7f41e0a639a0, 24 [pid 461] <... futex resumed>) = 0 [pid 462] <... set_robust_list resumed>) = 0 [pid 461] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 460] <... write resumed>) = 262144 [pid 307] <... close resumed>) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [], [pid 461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 460] munmap(0x7f41d8643000, 138412032 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 462] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 462] <... openat resumed>) = 3 [pid 461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 462] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... mmap resumed>) = 0x7f41e0a43000 [pid 462] <... futex resumed>) = 1 [pid 461] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 462] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... mprotect resumed>) = 0 [pid 461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 458] <... futex resumed>) = 0 [pid 461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 460] <... munmap resumed>) = 0 [pid 458] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 463 [pid 461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 462] <... futex resumed>) = 0 [pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 458] <... futex resumed>) = 1 [pid 462] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 461] <... clone3 resumed> => {parent_tid=[464]}, 88) = 464 [pid 462] <... write resumed>) = 4096 [pid 461] rt_sigprocmask(SIG_SETMASK, [], [pid 460] <... openat resumed>) = 5 [pid 458] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 463 attached [pid 462] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 463] set_robust_list(0x55555610b6a0, 24 [pid 462] <... futex resumed>) = 0 [pid 461] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] ioctl(5, LOOP_SET_FD, 4 [pid 458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 463] <... set_robust_list resumed>) = 0 [pid 462] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 461] <... futex resumed>) = 0 [pid 460] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 458] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 461] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 460] ioctl(5, LOOP_CLR_FD [pid 458] <... futex resumed>) = 0 ./strace-static-x86_64: Process 464 attached [pid 463] <... prctl resumed>) = 0 [pid 462] memfd_create("syzkaller", 0 [pid 460] <... ioctl resumed>) = 0 [pid 458] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 464] set_robust_list(0x7f41e0a639a0, 24 [pid 463] setpgid(0, 0 [pid 462] <... memfd_create resumed>) = 4 [pid 464] <... set_robust_list resumed>) = 0 [pid 463] <... setpgid resumed>) = 0 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 462] <... mmap resumed>) = 0x7f41d8643000 [pid 464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 463] <... openat resumed>) = 3 [pid 462] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 464] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 463] write(3, "1000", 4 [pid 462] <... write resumed>) = 262144 [pid 464] <... openat resumed>) = 3 [pid 463] <... write resumed>) = 4 [pid 462] munmap(0x7f41d8643000, 138412032 [pid 464] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] close(3 [pid 462] <... munmap resumed>) = 0 [pid 464] <... futex resumed>) = 1 [pid 463] <... close resumed>) = 0 [pid 461] <... futex resumed>) = 0 [pid 464] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 461] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 463] <... futex resumed>) = 0 [pid 462] <... openat resumed>) = 5 [pid 461] <... futex resumed>) = 0 [pid 464] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 463] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 462] ioctl(5, LOOP_SET_FD, 4 [pid 461] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... write resumed>) = 4096 [pid 463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 462] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 460] ioctl(5, LOOP_SET_FD, 4 [pid 464] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 462] ioctl(5, LOOP_CLR_FD [pid 460] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 464] <... futex resumed>) = 1 [pid 463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 462] <... ioctl resumed>) = 0 [pid 461] <... futex resumed>) = 0 [pid 460] close(5 [pid 464] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 461] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] <... close resumed>) = 0 [pid 464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 463] <... mmap resumed>) = 0x7f41e0a43000 [pid 461] <... futex resumed>) = 0 [pid 464] memfd_create("syzkaller", 0 [pid 463] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 461] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 464] <... memfd_create resumed>) = 4 [pid 463] <... mprotect resumed>) = 0 [pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 462] ioctl(5, LOOP_SET_FD, 4 [pid 464] <... mmap resumed>) = 0x7f41d8643000 [pid 463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 462] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 464] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 462] close(5 [pid 460] close(4 [pid 464] <... write resumed>) = 262144 [pid 462] <... close resumed>) = 0 [pid 464] munmap(0x7f41d8643000, 138412032 [pid 463] <... clone3 resumed> => {parent_tid=[465]}, 88) = 465 [pid 462] close(4 [pid 464] <... munmap resumed>) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], [pid 462] <... close resumed>) = 0 [pid 460] <... close resumed>) = 0 [pid 464] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 462] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 460] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] <... openat resumed>) = 5 [pid 463] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 462] <... futex resumed>) = 1 [pid 460] <... futex resumed>) = 1 [pid 458] <... futex resumed>) = 0 [pid 455] <... futex resumed>) = 0 [pid 464] ioctl(5, LOOP_SET_FD, 4 [pid 463] <... futex resumed>) = 0 [pid 462] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 460] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 458] exit_group(0 [pid 455] exit_group(0./strace-static-x86_64: Process 465 attached [pid 464] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 463] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 462] <... futex resumed>) = ? [pid 460] <... futex resumed>) = ? [pid 458] <... exit_group resumed>) = ? [pid 455] <... exit_group resumed>) = ? [pid 465] set_robust_list(0x7f41e0a639a0, 24 [pid 464] ioctl(5, LOOP_CLR_FD [pid 462] +++ exited with 0 +++ [pid 460] +++ exited with 0 +++ [pid 465] <... set_robust_list resumed>) = 0 [pid 464] <... ioctl resumed>) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 465] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 463] <... futex resumed>) = 0 [pid 455] +++ exited with 0 +++ [pid 465] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 463] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] ioctl(5, LOOP_SET_FD, 4 [pid 463] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 464] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 464] close(5) = 0 [pid 464] close(4 [pid 465] <... write resumed>) = 4096 [pid 464] <... close resumed>) = 0 [pid 458] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 465] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 464] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 465] <... futex resumed>) = 1 [pid 464] <... futex resumed>) = 1 [pid 463] <... futex resumed>) = 0 [pid 461] <... futex resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 465] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 461] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 306] <... openat resumed>) = 3 [pid 465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 464] <... futex resumed>) = ? [pid 463] <... futex resumed>) = 0 [pid 461] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 465] memfd_create("syzkaller", 0 [pid 464] +++ exited with 0 +++ [pid 463] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 461] +++ exited with 0 +++ [pid 465] <... memfd_create resumed>) = 4 [pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 306] <... ioctl resumed>) = 0 [pid 465] <... mmap resumed>) = 0x7f41d8643000 [pid 465] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 306] close(3 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] <... close resumed>) = 0 [pid 465] <... write resumed>) = 262144 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 465] munmap(0x7f41d8643000, 138412032) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 465] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5 [pid 308] <... ioctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 308] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 466 [pid 465] ioctl(5, LOOP_SET_FD, 4 [pid 308] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] ioctl(3, LOOP_CLR_FD [pid 465] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 465] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 466 attached [pid 309] <... ioctl resumed>) = 0 [pid 309] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 467 [pid 309] <... close resumed>) = 0 [pid 466] set_robust_list(0x55555610b6a0, 24 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 466] <... set_robust_list resumed>) = 0 [pid 465] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 465] close(5) = 0 [pid 465] close(4) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 468 ./strace-static-x86_64: Process 467 attached [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0 [pid 465] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] set_robust_list(0x55555610b6a0, 24 [pid 466] <... setpgid resumed>) = 0 [pid 465] <... futex resumed>) = 1 [pid 463] <... futex resumed>) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 465] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 463] exit_group(0 [pid 466] <... openat resumed>) = 3 [pid 465] <... futex resumed>) = ? [pid 463] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 468 attached [pid 467] <... set_robust_list resumed>) = 0 [pid 466] write(3, "1000", 4 [pid 465] +++ exited with 0 +++ [pid 463] +++ exited with 0 +++ [pid 468] set_robust_list(0x55555610b6a0, 24 [pid 466] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 468] <... set_robust_list resumed>) = 0 [pid 466] close(3 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 466] <... close resumed>) = 0 [pid 468] <... prctl resumed>) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 466] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... restart_syscall resumed>) = 0 [pid 468] setpgid(0, 0 [pid 466] <... futex resumed>) = 0 [pid 468] <... setpgid resumed>) = 0 [pid 467] <... prctl resumed>) = 0 [pid 466] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 467] setpgid(0, 0 [pid 466] <... rt_sigaction resumed>NULL, 8) = 0 [pid 468] <... openat resumed>) = 3 [pid 466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 468] write(3, "1000", 4 [pid 466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 468] <... write resumed>) = 4 [pid 466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 468] close(3 [pid 466] <... mmap resumed>) = 0x7f41e0a43000 [pid 468] <... close resumed>) = 0 [pid 466] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 468] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... mprotect resumed>) = 0 [pid 468] <... futex resumed>) = 0 [pid 466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] <... openat resumed>) = 3 [pid 468] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 467] <... setpgid resumed>) = 0 [pid 466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 468] <... rt_sigaction resumed>NULL, 8) = 0 [pid 466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] <... ioctl resumed>) = 0 [pid 468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] close(3 [pid 468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 466] <... clone3 resumed> => {parent_tid=[469]}, 88) = 469 [pid 307] <... close resumed>) = 0 [pid 468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 467] <... openat resumed>) = 3 [pid 466] rt_sigprocmask(SIG_SETMASK, [], [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 468] <... mmap resumed>) = 0x7f41e0a43000 [pid 467] write(3, "1000", 4 [pid 466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 468] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 466] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... mprotect resumed>) = 0 [pid 466] <... futex resumed>) = 0 [pid 468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 466] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 467] <... write resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 470 [pid 467] close(3 [pid 468] <... clone3 resumed> => {parent_tid=[471]}, 88) = 471 [pid 468] rt_sigprocmask(SIG_SETMASK, [], [pid 467] <... close resumed>) = 0 [pid 468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 468] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 468] <... futex resumed>) = 0 [pid 468] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 470 attached [pid 467] <... futex resumed>) = 0 [pid 470] set_robust_list(0x55555610b6a0, 24) = 0 [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 470] <... prctl resumed>) = 0 [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 469 attached [pid 470] setpgid(0, 0 [pid 467] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 471 attached [pid 470] <... setpgid resumed>) = 0 [pid 469] set_robust_list(0x7f41e0a639a0, 24 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 471] set_robust_list(0x7f41e0a639a0, 24 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 469] <... set_robust_list resumed>) = 0 [pid 467] <... mmap resumed>) = 0x7f41e0a43000 [pid 471] <... set_robust_list resumed>) = 0 [pid 470] <... openat resumed>) = 3 [pid 469] rt_sigprocmask(SIG_SETMASK, [], [pid 467] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 471] rt_sigprocmask(SIG_SETMASK, [], [pid 470] write(3, "1000", 4 [pid 469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 470] <... write resumed>) = 4 [pid 469] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 467] <... mprotect resumed>) = 0 [pid 471] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 470] close(3 [pid 469] <... openat resumed>) = 3 [pid 471] <... openat resumed>) = 3 [pid 470] <... close resumed>) = 0 [pid 469] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 471] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] <... futex resumed>) = 1 [pid 466] <... futex resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 471] <... futex resumed>) = 1 [pid 470] <... futex resumed>) = 0 [pid 469] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... futex resumed>) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 466] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 468] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] <... futex resumed>) = 0 [pid 471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 470] <... rt_sigaction resumed>NULL, 8) = 0 [pid 469] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 468] <... futex resumed>) = 0 [pid 466] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 471] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 469] <... write resumed>) = 4096 [pid 468] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 467] <... clone3 resumed> => {parent_tid=[472]}, 88) = 472 [pid 471] <... write resumed>) = 4096 [pid 470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 469] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] rt_sigprocmask(SIG_SETMASK, [], [pid 471] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 469] <... futex resumed>) = 1 [pid 466] <... futex resumed>) = 0 [pid 467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 471] <... futex resumed>) = 1 [pid 470] <... mmap resumed>) = 0x7f41e0a43000 [pid 469] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] <... futex resumed>) = 0 [pid 467] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 466] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 472 attached [pid 471] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 468] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 466] <... futex resumed>) = 0 [pid 472] set_robust_list(0x7f41e0a639a0, 24 [pid 471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 470] <... mprotect resumed>) = 0 [pid 469] memfd_create("syzkaller", 0 [pid 468] <... futex resumed>) = 0 [pid 467] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 472] <... set_robust_list resumed>) = 0 [pid 471] memfd_create("syzkaller", 0 [pid 470] rt_sigprocmask(SIG_BLOCK, ~[], [pid 469] <... memfd_create resumed>) = 4 [pid 468] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 472] rt_sigprocmask(SIG_SETMASK, [], [pid 471] <... memfd_create resumed>) = 4 [pid 470] <... rt_sigprocmask resumed>[], 8) = 0 [pid 469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 469] <... mmap resumed>) = 0x7f41d8643000 [pid 472] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 471] <... mmap resumed>) = 0x7f41d8643000 [pid 469] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 472] <... openat resumed>) = 3 [pid 471] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 470] <... clone3 resumed> => {parent_tid=[473]}, 88) = 473 [pid 469] <... write resumed>) = 262144 [pid 472] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] <... write resumed>) = 262144 [pid 470] rt_sigprocmask(SIG_SETMASK, [], [pid 472] <... futex resumed>) = 1 [pid 471] munmap(0x7f41d8643000, 138412032 [pid 470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 469] munmap(0x7f41d8643000, 138412032 [pid 472] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 471] <... munmap resumed>) = 0 [pid 470] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] <... munmap resumed>) = 0 [pid 467] <... futex resumed>) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 470] <... futex resumed>) = 0 [pid 469] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 471] <... openat resumed>) = 5 [pid 470] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 469] <... openat resumed>) = 5 [pid 467] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] ioctl(5, LOOP_SET_FD, 4 [pid 469] ioctl(5, LOOP_SET_FD, 4 [pid 471] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 469] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 471] ioctl(5, LOOP_CLR_FD [pid 469] ioctl(5, LOOP_CLR_FD./strace-static-x86_64: Process 473 attached [pid 471] <... ioctl resumed>) = 0 [pid 469] <... ioctl resumed>) = 0 [pid 473] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 473] rt_sigprocmask(SIG_SETMASK, [], [pid 467] <... futex resumed>) = 1 [pid 472] <... futex resumed>) = 0 [pid 467] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 472] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 473] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 472] <... write resumed>) = 4096 [pid 473] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 471] ioctl(5, LOOP_SET_FD, 4 [pid 469] ioctl(5, LOOP_SET_FD, 4 [pid 473] <... futex resumed>) = 1 [pid 472] <... futex resumed>) = 1 [pid 471] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 470] <... futex resumed>) = 0 [pid 469] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 467] <... futex resumed>) = 0 [pid 473] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 472] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 471] close(5 [pid 470] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] close(5 [pid 467] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 471] <... close resumed>) = 0 [pid 470] <... futex resumed>) = 0 [pid 469] <... close resumed>) = 0 [pid 473] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 472] memfd_create("syzkaller", 0 [pid 471] close(4 [pid 470] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 41.806447][ T334] EXT4-fs error (device loop3): ext4_validate_block_bitmap:438: comm ext4lazyinit: bg 0: block 255: padding at end of block bitmap is not set [pid 469] close(4 [pid 467] <... futex resumed>) = 0 [pid 473] <... write resumed>) = 4096 [pid 472] <... memfd_create resumed>) = 4 [pid 471] <... close resumed>) = 0 [pid 469] <... close resumed>) = 0 [pid 467] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 473] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 471] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 473] <... futex resumed>) = 1 [pid 472] <... mmap resumed>) = 0x7f41d8643000 [pid 471] <... futex resumed>) = 1 [pid 470] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = 1 [pid 468] <... futex resumed>) = 0 [pid 466] <... futex resumed>) = 0 [pid 473] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 471] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 470] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 469] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 468] exit_group(0 [pid 466] exit_group(0 [pid 473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 471] <... futex resumed>) = ? [pid 470] <... futex resumed>) = 0 [pid 469] <... futex resumed>) = ? [pid 468] <... exit_group resumed>) = ? [pid 466] <... exit_group resumed>) = ? [pid 473] memfd_create("syzkaller", 0 [pid 472] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 471] +++ exited with 0 +++ [pid 470] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 469] +++ exited with 0 +++ [pid 468] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 473] <... memfd_create resumed>) = 4 [pid 473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 473] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 473] <... write resumed>) = 262144 [pid 309] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 473] munmap(0x7f41d8643000, 138412032 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] ioctl(3, LOOP_CLR_FD [pid 473] <... munmap resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 473] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 309] close(3 [pid 306] close(3 [pid 473] <... openat resumed>) = 5 [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 473] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 473] ioctl(5, LOOP_CLR_FD) = 0 [pid 473] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 473] close(5) = 0 [pid 473] close(4) = 0 [pid 472] <... write resumed>) = 262144 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 474 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 475 [pid 473] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 470] <... futex resumed>) = 0 [pid 470] exit_group(0) = ? [pid 472] munmap(0x7f41d8643000, 138412032 [pid 473] +++ exited with 0 +++ [pid 472] <... munmap resumed>) = 0 [pid 470] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 472] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 472] ioctl(5, LOOP_SET_FD, 4 [pid 307] <... openat resumed>) = 3 [pid 472] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 472] ioctl(5, LOOP_CLR_FD [pid 307] close(3 [pid 472] <... ioctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 476 ./strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x55555610b6a0, 24 [pid 472] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 475 attached [pid 472] close(5) = 0 [pid 474] <... set_robust_list resumed>) = 0 [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 475] set_robust_list(0x55555610b6a0, 24 [pid 472] close(4 [pid 474] <... prctl resumed>) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] <... set_robust_list resumed>) = 0 [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 474] write(3, "1000", 4 [pid 472] <... close resumed>) = 0 ./strace-static-x86_64: Process 476 attached [pid 474] <... write resumed>) = 4 [pid 475] <... prctl resumed>) = 0 [pid 472] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] set_robust_list(0x55555610b6a0, 24 [pid 475] setpgid(0, 0 [pid 474] close(3 [pid 472] <... futex resumed>) = 1 [pid 467] <... futex resumed>) = 0 [pid 476] <... set_robust_list resumed>) = 0 [pid 475] <... setpgid resumed>) = 0 [pid 474] <... close resumed>) = 0 [pid 472] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] exit_group(0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 474] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... exit_group resumed>) = ? [pid 476] <... prctl resumed>) = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 474] <... futex resumed>) = 0 [pid 472] <... futex resumed>) = ? [pid 476] setpgid(0, 0 [pid 475] <... openat resumed>) = 3 [pid 474] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 476] <... setpgid resumed>) = 0 [pid 474] <... rt_sigaction resumed>NULL, 8) = 0 [pid 475] write(3, "1000", 4 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 475] <... write resumed>) = 4 [pid 476] <... openat resumed>) = 3 [pid 474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 475] close(3 [pid 476] write(3, "1000", 4 [pid 474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 476] <... write resumed>) = 4 [pid 474] <... mmap resumed>) = 0x7f41e0a43000 [pid 472] +++ exited with 0 +++ [pid 467] +++ exited with 0 +++ [ 41.851724][ T334] EXT4-fs error (device loop2): ext4_validate_block_bitmap:438: comm ext4lazyinit: bg 0: block 255: padding at end of block bitmap is not set [pid 476] close(3 [pid 475] <... close resumed>) = 0 [pid 474] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 476] <... close resumed>) = 0 [pid 475] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] <... mprotect resumed>) = 0 [pid 476] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 476] <... futex resumed>) = 0 [pid 475] <... futex resumed>) = 0 [pid 474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 476] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 475] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 474] <... clone3 resumed> => {parent_tid=[477]}, 88) = 477 [pid 308] <... restart_syscall resumed>) = 0 [pid 476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, [], [pid 476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 476] <... mmap resumed>) = 0x7f41e0a43000 [pid 475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 474] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 476] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 474] <... futex resumed>) = 0 [pid 476] <... mprotect resumed>) = 0 [pid 474] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 475] <... mmap resumed>) = 0x7f41e0a43000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 475] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 475] <... mprotect resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 478 attached [pid 475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] ioctl(3, LOOP_CLR_FD [pid 476] <... clone3 resumed> => {parent_tid=[478]}, 88) = 478 ./strace-static-x86_64: Process 477 attached [pid 476] rt_sigprocmask(SIG_SETMASK, [], [pid 477] set_robust_list(0x7f41e0a639a0, 24 [pid 476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 477] <... set_robust_list resumed>) = 0 [pid 476] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] rt_sigprocmask(SIG_SETMASK, [], [pid 476] <... futex resumed>) = 0 [pid 477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 476] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] set_robust_list(0x7f41e0a639a0, 24 [pid 477] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 477] <... openat resumed>) = 3 [pid 477] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 474] <... futex resumed>) = 0 [pid 477] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 474] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... write resumed>) = 4096 [pid 474] <... futex resumed>) = 0 [pid 477] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 474] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 477] <... futex resumed>) = 0 [pid 474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 477] memfd_create("syzkaller", 0 [pid 474] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 477] <... memfd_create resumed>) = 4 [pid 474] <... futex resumed>) = 0 [pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 474] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 477] <... mmap resumed>) = 0x7f41d8643000 [pid 477] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 478] <... set_robust_list resumed>) = 0 [pid 475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 308] close(3 [pid 478] rt_sigprocmask(SIG_SETMASK, [], [pid 308] <... close resumed>) = 0 [pid 478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 475] <... clone3 resumed> => {parent_tid=[479]}, 88) = 479 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 478] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 475] rt_sigprocmask(SIG_SETMASK, [], [pid 478] <... openat resumed>) = 3 [pid 475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 478] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 480 [pid 478] <... futex resumed>) = 1 [pid 476] <... futex resumed>) = 0 [pid 475] <... futex resumed>) = 0 [pid 478] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 478] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 476] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 478] <... write resumed>) = 4096 [pid 478] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 476] <... futex resumed>) = 0 [pid 478] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 476] <... futex resumed>) = 0 [pid 478] memfd_create("syzkaller", 0 [pid 477] <... write resumed>) = 262144 [pid 476] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 478] <... memfd_create resumed>) = 4 [pid 477] munmap(0x7f41d8643000, 138412032 [pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 479 attached [pid 477] <... munmap resumed>) = 0 [pid 479] set_robust_list(0x7f41e0a639a0, 24 [pid 478] <... mmap resumed>) = 0x7f41d8643000 [pid 477] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 479] <... set_robust_list resumed>) = 0 [pid 477] <... openat resumed>) = 5 [pid 479] rt_sigprocmask(SIG_SETMASK, [], [pid 477] ioctl(5, LOOP_SET_FD, 4 [pid 479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 477] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 479] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 477] ioctl(5, LOOP_CLR_FD [pid 479] <... openat resumed>) = 3 [pid 477] <... ioctl resumed>) = 0 [pid 479] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 479] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 477] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 477] close(5) = 0 [pid 477] close(4 [pid 478] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 477] <... close resumed>) = 0 [pid 475] <... futex resumed>) = 0 [pid 477] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 475] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = 0 [pid 477] <... futex resumed>) = 1 [pid 475] <... futex resumed>) = 1 [pid 474] <... futex resumed>) = 0 [pid 479] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 477] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 475] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 474] exit_group(0 [pid 479] <... write resumed>) = 4096 [pid 477] <... futex resumed>) = ? [pid 474] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 480 attached [pid 479] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 478] <... write resumed>) = 262144 [pid 477] +++ exited with 0 +++ [pid 474] +++ exited with 0 +++ [pid 479] <... futex resumed>) = 1 [pid 475] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 479] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 475] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 475] <... futex resumed>) = 0 [pid 479] memfd_create("syzkaller", 0 [pid 475] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 479] <... memfd_create resumed>) = 4 [pid 479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 478] munmap(0x7f41d8643000, 138412032 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 480] set_robust_list(0x55555610b6a0, 24 [pid 479] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 479] munmap(0x7f41d8643000, 138412032) = 0 [pid 479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 478] <... munmap resumed>) = 0 [pid 480] <... set_robust_list resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 479] ioctl(5, LOOP_SET_FD, 4 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 478] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 309] ioctl(3, LOOP_CLR_FD [pid 479] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 479] ioctl(5, LOOP_CLR_FD) = 0 [pid 480] <... prctl resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 478] <... openat resumed>) = 5 [pid 309] close(3 [pid 480] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 480] <... setpgid resumed>) = 0 [pid 478] ioctl(5, LOOP_SET_FD, 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 478] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 479] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 479] close(5) = 0 [pid 479] close(4 [pid 480] <... openat resumed>) = 3 [pid 479] <... close resumed>) = 0 [pid 478] ioctl(5, LOOP_CLR_FD [pid 480] write(3, "1000", 4 [pid 478] <... ioctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 481 [pid 480] <... write resumed>) = 4 [pid 480] close(3 [pid 479] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 475] <... futex resumed>) = 0 [pid 480] <... close resumed>) = 0 [pid 479] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 475] exit_group(0 [pid 480] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 479] <... futex resumed>) = ? [pid 475] <... exit_group resumed>) = ? [pid 480] <... futex resumed>) = 0 [pid 479] +++ exited with 0 +++ [pid 478] ioctl(5, LOOP_SET_FD, 4 [pid 475] +++ exited with 0 +++ [pid 480] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 478] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 478] close(5 [pid 480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 478] <... close resumed>) = 0 [pid 480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 478] close(4 [pid 480] <... mmap resumed>) = 0x7f41e0a43000 [pid 478] <... close resumed>) = 0 [pid 480] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 478] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 480] <... mprotect resumed>) = 0 [pid 480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 478] <... futex resumed>) = 1 [pid 476] <... futex resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 478] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 476] exit_group(0) = ? [pid 306] <... openat resumed>) = 3 [pid 478] <... futex resumed>) = ? [pid 306] ioctl(3, LOOP_CLR_FD [pid 480] <... clone3 resumed> => {parent_tid=[482]}, 88) = 482 [pid 306] <... ioctl resumed>) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], [pid 306] close(3 [pid 480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 480] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 481 attached [pid 481] set_robust_list(0x55555610b6a0, 24) = 0 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 480] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 483 [pid 480] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... prctl resumed>) = 0 [pid 481] setpgid(0, 0 [pid 478] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ [pid 481] <... setpgid resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4./strace-static-x86_64: Process 482 attached ) = 4 [pid 482] set_robust_list(0x7f41e0a639a0, 24 [pid 481] close(3 [pid 482] <... set_robust_list resumed>) = 0 [pid 481] <... close resumed>) = 0 [pid 482] rt_sigprocmask(SIG_SETMASK, [], [pid 481] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 483 attached [pid 482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 481] <... futex resumed>) = 0 [pid 483] set_robust_list(0x55555610b6a0, 24 [pid 482] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 481] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 483] <... set_robust_list resumed>) = 0 [pid 482] <... openat resumed>) = 3 [pid 481] <... rt_sigaction resumed>NULL, 8) = 0 [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 482] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 483] <... prctl resumed>) = 0 [pid 482] <... futex resumed>) = 1 [pid 481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 480] <... futex resumed>) = 0 [pid 483] setpgid(0, 0 [pid 482] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 480] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 483] <... setpgid resumed>) = 0 [pid 482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 481] <... mmap resumed>) = 0x7f41e0a43000 [pid 480] <... futex resumed>) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 482] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 481] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 480] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... openat resumed>) = 3 [pid 483] <... openat resumed>) = 3 [pid 482] <... write resumed>) = 4096 [pid 481] <... mprotect resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 483] write(3, "1000", 4 [pid 482] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] <... ioctl resumed>) = 0 [pid 483] <... write resumed>) = 4 [pid 482] <... futex resumed>) = 1 [pid 481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 480] <... futex resumed>) = 0 [pid 307] close(3 [pid 483] close(3 [pid 482] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 480] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... close resumed>) = 0 [pid 483] <... close resumed>) = 0 [pid 482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 483] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] memfd_create("syzkaller", 0 [pid 481] <... clone3 resumed> => {parent_tid=[484]}, 88) = 484 [pid 480] <... futex resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 483] <... futex resumed>) = 0 [pid 482] <... memfd_create resumed>) = 4 [pid 481] rt_sigprocmask(SIG_SETMASK, [], [pid 480] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 483] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 483] <... rt_sigaction resumed>NULL, 8) = 0 [pid 482] <... mmap resumed>) = 0x7f41d8643000 [pid 481] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 485 attached [pid 483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 482] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 481] <... futex resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 485 [pid 485] set_robust_list(0x55555610b6a0, 24 [pid 483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 482] <... write resumed>) = 262144 [pid 481] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 482] munmap(0x7f41d8643000, 138412032 [pid 485] <... set_robust_list resumed>) = 0 [pid 483] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 484 attached [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 483] <... mprotect resumed>) = 0 [pid 482] <... munmap resumed>) = 0 [pid 485] <... prctl resumed>) = 0 [pid 484] set_robust_list(0x7f41e0a639a0, 24 [pid 483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 482] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 484] <... set_robust_list resumed>) = 0 [pid 483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 482] <... openat resumed>) = 5 [pid 485] setpgid(0, 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], [pid 483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 482] ioctl(5, LOOP_SET_FD, 4 [pid 485] <... setpgid resumed>) = 0 [pid 484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 484] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 483] <... clone3 resumed> => {parent_tid=[486]}, 88) = 486 [pid 482] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 485] <... openat resumed>) = 3 [pid 484] <... openat resumed>) = 3 [pid 483] rt_sigprocmask(SIG_SETMASK, [], [pid 482] ioctl(5, LOOP_CLR_FD [pid 484] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 482] <... ioctl resumed>) = 0 [pid 485] write(3, "1000", 4 [pid 484] <... futex resumed>) = 1 [pid 483] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 481] <... futex resumed>) = 0 [pid 484] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 483] <... futex resumed>) = 0 [pid 481] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 483] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 481] <... futex resumed>) = 0 [pid 485] <... write resumed>) = 4 [pid 484] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 481] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 486 attached [pid 485] close(3 [pid 484] <... write resumed>) = 4096 [pid 486] set_robust_list(0x7f41e0a639a0, 24 [pid 484] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] ioctl(5, LOOP_SET_FD, 4 [pid 485] <... close resumed>) = 0 [pid 486] <... set_robust_list resumed>) = 0 [pid 484] <... futex resumed>) = 1 [pid 482] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 481] <... futex resumed>) = 0 [pid 485] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] rt_sigprocmask(SIG_SETMASK, [], [pid 484] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 482] close(5 [pid 481] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... futex resumed>) = 0 [pid 486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 485] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 482] <... close resumed>) = 0 [pid 481] <... futex resumed>) = 0 [pid 486] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 484] memfd_create("syzkaller", 0 [pid 482] close(4 [pid 481] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 486] <... openat resumed>) = 3 [pid 485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 484] <... memfd_create resumed>) = 4 [pid 482] <... close resumed>) = 0 [pid 486] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 482] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = 1 [pid 485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 484] <... mmap resumed>) = 0x7f41d8643000 [pid 483] <... futex resumed>) = 0 [pid 482] <... futex resumed>) = 1 [pid 480] <... futex resumed>) = 0 [pid 486] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] <... mmap resumed>) = 0x7f41e0a43000 [pid 484] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 483] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 482] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 480] exit_group(0 [pid 486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 484] <... write resumed>) = 262144 [pid 483] <... futex resumed>) = 0 [pid 482] <... futex resumed>) = ? [pid 480] <... exit_group resumed>) = ? [pid 486] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 485] <... mprotect resumed>) = 0 [pid 484] munmap(0x7f41d8643000, 138412032 [pid 483] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 482] +++ exited with 0 +++ [pid 484] <... munmap resumed>) = 0 [pid 484] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 484] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 480] +++ exited with 0 +++ [pid 484] ioctl(5, LOOP_CLR_FD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 486] <... write resumed>) = 4096 [pid 484] <... ioctl resumed>) = 0 [pid 486] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 486] <... futex resumed>) = 1 [pid 485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 483] <... futex resumed>) = 0 [pid 486] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 483] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 483] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 486] memfd_create("syzkaller", 0 [pid 485] <... clone3 resumed> => {parent_tid=[487]}, 88) = 487 [pid 483] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 486] <... memfd_create resumed>) = 4 [pid 485] rt_sigprocmask(SIG_SETMASK, [], [pid 484] ioctl(5, LOOP_SET_FD, 4 [pid 308] <... openat resumed>) = 3 [pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 484] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 308] ioctl(3, LOOP_CLR_FD [pid 486] <... mmap resumed>) = 0x7f41d8643000 [pid 485] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 484] close(5 [pid 308] <... ioctl resumed>) = 0 [pid 486] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 485] <... futex resumed>) = 0 [pid 484] <... close resumed>) = 0 [pid 308] close(3./strace-static-x86_64: Process 487 attached [pid 486] <... write resumed>) = 262144 [pid 484] close(4 [pid 485] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] set_robust_list(0x7f41e0a639a0, 24 [pid 486] munmap(0x7f41d8643000, 138412032 [pid 484] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 487] <... set_robust_list resumed>) = 0 [pid 486] <... munmap resumed>) = 0 [pid 484] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 487] rt_sigprocmask(SIG_SETMASK, [], [pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 484] <... futex resumed>) = 1 [pid 481] <... futex resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 486] <... openat resumed>) = 5 [pid 484] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 481] exit_group(0 [pid 486] ioctl(5, LOOP_SET_FD, 4 [pid 484] <... futex resumed>) = ? [pid 481] <... exit_group resumed>) = ? [pid 487] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 486] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 484] +++ exited with 0 +++ [pid 481] +++ exited with 0 +++ [pid 486] ioctl(5, LOOP_CLR_FD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 488 ./strace-static-x86_64: Process 488 attached [pid 487] <... openat resumed>) = 3 [pid 487] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] set_robust_list(0x55555610b6a0, 24 [pid 487] <... futex resumed>) = 1 [pid 486] <... ioctl resumed>) = 0 [pid 485] <... futex resumed>) = 0 [pid 487] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 485] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 487] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 485] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... openat resumed>) = 3 [pid 488] <... set_robust_list resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 487] <... write resumed>) = 4096 [pid 309] <... ioctl resumed>) = 0 [pid 487] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(3 [pid 487] <... futex resumed>) = 1 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 485] <... futex resumed>) = 0 [pid 488] <... prctl resumed>) = 0 [pid 487] memfd_create("syzkaller", 0 [pid 485] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... close resumed>) = 0 [pid 488] setpgid(0, 0 [pid 487] <... memfd_create resumed>) = 4 [pid 486] ioctl(5, LOOP_SET_FD, 4 [pid 485] <... futex resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 488] <... setpgid resumed>) = 0 [pid 487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 486] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 485] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 486] close(5 [pid 488] <... openat resumed>) = 3 [pid 486] <... close resumed>) = 0 [pid 488] write(3, "1000", 4 [pid 486] close(4 [pid 488] <... write resumed>) = 4 [pid 487] <... mmap resumed>) = 0x7f41d8643000 [pid 486] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 489 [pid 488] close(3 [pid 486] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 488] <... close resumed>) = 0 [pid 486] <... futex resumed>) = 1 [pid 483] <... futex resumed>) = 0 [pid 488] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 486] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 483] exit_group(0 [pid 488] <... futex resumed>) = 0 [pid 486] <... futex resumed>) = ? [pid 483] <... exit_group resumed>) = ? [pid 488] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 486] +++ exited with 0 +++ [pid 483] +++ exited with 0 +++ [pid 488] <... rt_sigaction resumed>NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 487] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 488] <... mmap resumed>) = 0x7f41e0a43000 [pid 488] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 489 attached [pid 488] <... clone3 resumed> => {parent_tid=[490]}, 88) = 490 [pid 306] close(3 [pid 489] set_robust_list(0x55555610b6a0, 24 [pid 488] rt_sigprocmask(SIG_SETMASK, [], [pid 306] <... close resumed>) = 0 [pid 489] <... set_robust_list resumed>) = 0 [pid 488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 488] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... prctl resumed>) = 0 [pid 488] <... futex resumed>) = 0 [pid 489] setpgid(0, 0 [pid 488] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 489] <... setpgid resumed>) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 487] <... write resumed>) = 262144 [pid 489] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 491 [pid 489] <... write resumed>) = 4 [pid 487] munmap(0x7f41d8643000, 138412032 [pid 489] close(3./strace-static-x86_64: Process 490 attached ) = 0 [pid 490] set_robust_list(0x7f41e0a639a0, 24 [pid 489] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 487] <... munmap resumed>) = 0 [pid 490] <... set_robust_list resumed>) = 0 [pid 489] <... futex resumed>) = 0 [pid 487] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 490] rt_sigprocmask(SIG_SETMASK, [], [pid 489] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 487] <... openat resumed>) = 5 [pid 490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 490] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 487] ioctl(5, LOOP_SET_FD, 4./strace-static-x86_64: Process 491 attached [pid 490] <... openat resumed>) = 3 [pid 489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 487] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 490] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 487] ioctl(5, LOOP_CLR_FD [pid 491] set_robust_list(0x55555610b6a0, 24 [pid 490] <... futex resumed>) = 1 [pid 489] <... mmap resumed>) = 0x7f41e0a43000 [pid 488] <... futex resumed>) = 0 [pid 487] <... ioctl resumed>) = 0 [pid 490] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 488] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] <... mprotect resumed>) = 0 [pid 488] <... futex resumed>) = 0 [pid 491] <... set_robust_list resumed>) = 0 [pid 490] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 488] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 490] <... write resumed>) = 4096 [pid 489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 490] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 490] <... futex resumed>) = 1 [pid 488] <... futex resumed>) = 0 [pid 491] <... prctl resumed>) = 0 [pid 490] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] <... clone3 resumed> => {parent_tid=[492]}, 88) = 492 [pid 488] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 487] ioctl(5, LOOP_SET_FD, 4 [pid 491] setpgid(0, 0 [pid 490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] rt_sigprocmask(SIG_SETMASK, [], [pid 488] <... futex resumed>) = 0 [pid 487] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 491] <... setpgid resumed>) = 0 [pid 490] memfd_create("syzkaller", 0 [pid 489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 488] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 487] close(5 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 490] <... memfd_create resumed>) = 4 [pid 489] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 487] <... close resumed>) = 0 [pid 491] <... openat resumed>) = 3 [pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 489] <... futex resumed>) = 0 [pid 491] write(3, "1000", 4 [pid 490] <... mmap resumed>) = 0x7f41d8643000 [pid 489] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 487] close(4 [pid 491] <... write resumed>) = 4 [pid 490] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 491] close(3 [pid 490] <... write resumed>) = 262144 [pid 487] <... close resumed>) = 0 [pid 491] <... close resumed>) = 0 [pid 490] munmap(0x7f41d8643000, 138412032 [pid 487] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 492 attached [pid 491] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 490] <... munmap resumed>) = 0 [pid 487] <... futex resumed>) = 1 [pid 485] <... futex resumed>) = 0 [pid 492] set_robust_list(0x7f41e0a639a0, 24 [pid 490] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 492] <... set_robust_list resumed>) = 0 [pid 491] <... futex resumed>) = 0 [pid 490] <... openat resumed>) = 5 [pid 487] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 485] exit_group(0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], [pid 490] ioctl(5, LOOP_SET_FD, 4 [pid 492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 490] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 492] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 491] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 490] ioctl(5, LOOP_CLR_FD [pid 487] <... futex resumed>) = ? [pid 485] <... exit_group resumed>) = ? [pid 492] <... openat resumed>) = 3 [pid 491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 490] <... ioctl resumed>) = 0 [pid 487] +++ exited with 0 +++ [pid 492] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 489] <... futex resumed>) = 0 [pid 492] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 489] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 489] <... futex resumed>) = 0 [pid 492] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 489] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 492] <... write resumed>) = 4096 [pid 485] +++ exited with 0 +++ [pid 492] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 490] ioctl(5, LOOP_SET_FD, 4 [pid 492] <... futex resumed>) = 1 [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 490] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 489] <... futex resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 492] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 490] close(5 [pid 489] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 491] <... mmap resumed>) = 0x7f41e0a43000 [pid 490] <... close resumed>) = 0 [pid 489] <... futex resumed>) = 0 [pid 492] memfd_create("syzkaller", 0 [pid 491] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 490] close(4 [pid 489] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 307] <... openat resumed>) = 3 [pid 492] <... memfd_create resumed>) = 4 [pid 491] <... mprotect resumed>) = 0 [pid 490] <... close resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 490] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 492] <... mmap resumed>) = 0x7f41d8643000 [pid 490] <... futex resumed>) = 1 [pid 491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 488] <... futex resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 492] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 490] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 488] exit_group(0 [pid 492] <... write resumed>) = 262144 [pid 491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 490] <... futex resumed>) = ? [pid 488] <... exit_group resumed>) = ? [pid 307] close(3 [pid 492] munmap(0x7f41d8643000, 138412032 [pid 490] +++ exited with 0 +++ [pid 488] +++ exited with 0 +++ [pid 492] <... munmap resumed>) = 0 [pid 492] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 492] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 492] ioctl(5, LOOP_CLR_FD) = 0 [pid 492] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 492] close(5) = 0 [pid 492] close(4) = 0 [pid 492] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 489] <... futex resumed>) = 0 [pid 489] exit_group(0) = ? [pid 492] <... futex resumed>) = ? [pid 491] <... clone3 resumed> => {parent_tid=[493]}, 88) = 493 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], [pid 492] +++ exited with 0 +++ [pid 491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 489] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 491] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 491] <... futex resumed>) = 0 ./strace-static-x86_64: Process 493 attached [pid 309] close(3 [pid 308] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 493] set_robust_list(0x7f41e0a639a0, 24 [pid 491] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] ioctl(3, LOOP_CLR_FD [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 494 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 495 [pid 493] <... set_robust_list resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 494 attached [pid 493] rt_sigprocmask(SIG_SETMASK, [], [pid 308] close(3 [pid 494] set_robust_list(0x55555610b6a0, 24) = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 494] <... prctl resumed>) = 0 [pid 494] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 495 attached [pid 494] <... setpgid resumed>) = 0 [pid 493] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 495] set_robust_list(0x55555610b6a0, 24 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 495] <... set_robust_list resumed>) = 0 [pid 494] <... openat resumed>) = 3 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 494] write(3, "1000", 4 [pid 495] <... prctl resumed>) = 0 [pid 494] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 496 [pid 495] setpgid(0, 0 [pid 494] close(3 [pid 493] <... openat resumed>) = 3 [pid 495] <... setpgid resumed>) = 0 [pid 494] <... close resumed>) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 494] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... openat resumed>) = 3 [pid 494] <... futex resumed>) = 0 [pid 493] <... futex resumed>) = 1 [pid 491] <... futex resumed>) = 0 ./strace-static-x86_64: Process 496 attached [pid 495] write(3, "1000", 4 [pid 494] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 493] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] set_robust_list(0x55555610b6a0, 24 [pid 495] <... write resumed>) = 4 [pid 494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 491] <... futex resumed>) = 0 [pid 496] <... set_robust_list resumed>) = 0 [pid 495] close(3 [pid 494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 493] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 491] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 495] <... close resumed>) = 0 [pid 494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] <... prctl resumed>) = 0 [pid 495] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 493] <... write resumed>) = 4096 [pid 496] setpgid(0, 0 [pid 495] <... futex resumed>) = 0 [pid 494] <... mmap resumed>) = 0x7f41e0a43000 [pid 493] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... setpgid resumed>) = 0 [pid 495] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 494] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 493] <... futex resumed>) = 1 [pid 491] <... futex resumed>) = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 494] <... mprotect resumed>) = 0 [pid 493] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... openat resumed>) = 3 [pid 495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 491] <... futex resumed>) = 0 [pid 496] write(3, "1000", 4 [pid 495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 493] memfd_create("syzkaller", 0 [pid 491] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 496] <... write resumed>) = 4 [pid 495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 493] <... memfd_create resumed>) = 4 [pid 496] close(3 [pid 495] <... mmap resumed>) = 0x7f41e0a43000 [pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 496] <... close resumed>) = 0 [pid 495] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 494] <... clone3 resumed> => {parent_tid=[498]}, 88) = 498 [pid 493] <... mmap resumed>) = 0x7f41d8643000 [pid 496] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] <... mprotect resumed>) = 0 [pid 494] rt_sigprocmask(SIG_SETMASK, [], [pid 496] <... futex resumed>) = 0 [pid 495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 494] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... rt_sigaction resumed>NULL, 8) = 0 [pid 495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 494] <... futex resumed>) = 0 [pid 496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 494] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 495] <... clone3 resumed> => {parent_tid=[499]}, 88) = 499 [pid 496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 495] rt_sigprocmask(SIG_SETMASK, [], [pid 496] <... mmap resumed>) = 0x7f41e0a43000 [pid 495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 496] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 495] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 498 attached [pid 496] <... mprotect resumed>) = 0 [pid 495] <... futex resumed>) = 0 [pid 498] set_robust_list(0x7f41e0a639a0, 24 [pid 496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 495] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 498] <... set_robust_list resumed>) = 0 [pid 496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 498] rt_sigprocmask(SIG_SETMASK, [], [pid 496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 493] <... write resumed>) = 262144 [pid 498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 498] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 496] <... clone3 resumed> => {parent_tid=[500]}, 88) = 500 [pid 493] munmap(0x7f41d8643000, 138412032./strace-static-x86_64: Process 499 attached [pid 498] <... openat resumed>) = 3 [pid 496] rt_sigprocmask(SIG_SETMASK, [], [pid 498] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 493] <... munmap resumed>) = 0 [pid 498] <... futex resumed>) = 1 [pid 496] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 494] <... futex resumed>) = 0 [pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 499] set_robust_list(0x7f41e0a639a0, 24 [pid 498] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] <... futex resumed>) = 0 [pid 494] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... openat resumed>) = 5 [pid 498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 496] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 494] <... futex resumed>) = 0 ./strace-static-x86_64: Process 500 attached [pid 498] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 494] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] ioctl(5, LOOP_SET_FD, 4 [pid 500] set_robust_list(0x7f41e0a639a0, 24 [pid 499] <... set_robust_list resumed>) = 0 [pid 498] <... write resumed>) = 4096 [pid 500] <... set_robust_list resumed>) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [], [pid 498] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 500] rt_sigprocmask(SIG_SETMASK, [], [pid 499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 498] <... futex resumed>) = 1 [pid 494] <... futex resumed>) = 0 [pid 493] ioctl(5, LOOP_CLR_FD [pid 500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 499] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 498] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... ioctl resumed>) = 0 [pid 500] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 499] <... openat resumed>) = 3 [pid 498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 494] <... futex resumed>) = 0 [pid 500] <... openat resumed>) = 3 [pid 498] memfd_create("syzkaller", 0 [pid 494] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 500] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... memfd_create resumed>) = 4 [pid 500] <... futex resumed>) = 1 [pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 496] <... futex resumed>) = 0 [pid 500] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 498] <... mmap resumed>) = 0x7f41d8643000 [pid 496] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 498] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 496] <... futex resumed>) = 0 [pid 500] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 499] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... write resumed>) = 262144 [pid 496] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 500] <... write resumed>) = 4096 [pid 499] <... futex resumed>) = 1 [pid 498] munmap(0x7f41d8643000, 138412032 [pid 495] <... futex resumed>) = 0 [pid 500] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 499] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 498] <... munmap resumed>) = 0 [pid 495] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] ioctl(5, LOOP_SET_FD, 4 [pid 500] <... futex resumed>) = 1 [pid 499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 498] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 496] <... futex resumed>) = 0 [pid 495] <... futex resumed>) = 0 [pid 493] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 500] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 499] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 498] <... openat resumed>) = 5 [pid 496] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 495] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 493] close(5 [pid 500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 499] <... write resumed>) = 4096 [pid 498] ioctl(5, LOOP_SET_FD, 4 [pid 496] <... futex resumed>) = 0 [pid 493] <... close resumed>) = 0 [pid 500] memfd_create("syzkaller", 0 [pid 499] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 498] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 496] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 493] close(4 [pid 500] <... memfd_create resumed>) = 4 [pid 499] <... futex resumed>) = 1 [pid 498] ioctl(5, LOOP_CLR_FD [pid 495] <... futex resumed>) = 0 [pid 500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 498] <... ioctl resumed>) = 0 [pid 500] <... mmap resumed>) = 0x7f41d8643000 [pid 499] memfd_create("syzkaller", 0 [pid 495] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 493] <... close resumed>) = 0 [pid 500] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 499] <... memfd_create resumed>) = 4 [pid 495] <... futex resumed>) = 0 [pid 493] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 500] <... write resumed>) = 262144 [pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 495] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 493] <... futex resumed>) = 1 [pid 491] <... futex resumed>) = 0 [pid 500] munmap(0x7f41d8643000, 138412032 [pid 499] <... mmap resumed>) = 0x7f41d8643000 [pid 498] ioctl(5, LOOP_SET_FD, 4 [pid 493] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 491] exit_group(0 [pid 500] <... munmap resumed>) = 0 [pid 498] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 500] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 498] close(5 [pid 500] <... openat resumed>) = 5 [pid 498] <... close resumed>) = 0 [pid 500] ioctl(5, LOOP_SET_FD, 4 [pid 498] close(4 [pid 500] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 498] <... close resumed>) = 0 [pid 493] <... futex resumed>) = ? [pid 491] <... exit_group resumed>) = ? [pid 493] +++ exited with 0 +++ [pid 500] ioctl(5, LOOP_CLR_FD) = 0 [pid 498] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 494] <... futex resumed>) = 0 [pid 498] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 494] exit_group(0 [pid 498] <... futex resumed>) = ? [pid 494] <... exit_group resumed>) = ? [pid 491] +++ exited with 0 +++ [pid 500] ioctl(5, LOOP_SET_FD, 4 [pid 499] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 498] +++ exited with 0 +++ [pid 494] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 500] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 500] close(5 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 500] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 500] close(4) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 500] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 496] <... futex resumed>) = 0 [pid 500] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 496] exit_group(0 [pid 500] <... futex resumed>) = ? [pid 496] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 500] +++ exited with 0 +++ [pid 499] <... write resumed>) = 262144 [pid 496] +++ exited with 0 +++ [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] close(3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 307] <... close resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 499] munmap(0x7f41d8643000, 138412032 [pid 308] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 308] ioctl(3, LOOP_CLR_FD [pid 499] <... munmap resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 501 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 499] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 501 attached [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 502 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 503 [pid 499] <... openat resumed>) = 5 [pid 499] ioctl(5, LOOP_SET_FD, 4 [pid 501] set_robust_list(0x55555610b6a0, 24 [pid 499] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 501] <... set_robust_list resumed>) = 0 [pid 499] ioctl(5, LOOP_CLR_FD) = 0 [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 502 attached [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 502] set_robust_list(0x55555610b6a0, 24 [pid 501] <... openat resumed>) = 3 [pid 502] <... set_robust_list resumed>) = 0 [pid 501] write(3, "1000", 4 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 501] <... write resumed>) = 4 [pid 502] <... prctl resumed>) = 0 [pid 501] close(3 [pid 502] setpgid(0, 0 [pid 501] <... close resumed>) = 0 [pid 502] <... setpgid resumed>) = 0 [pid 501] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 501] <... futex resumed>) = 0 [pid 502] <... openat resumed>) = 3 [pid 501] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 502] write(3, "1000", 4 [pid 501] <... rt_sigaction resumed>NULL, 8) = 0 [pid 502] <... write resumed>) = 4 [pid 501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 502] close(3 [pid 501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 502] <... close resumed>) = 0 [pid 501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 499] ioctl(5, LOOP_SET_FD, 4 [pid 502] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 501] <... mmap resumed>) = 0x7f41e0a43000 [pid 502] <... futex resumed>) = 0 [pid 501] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 502] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 501] <... mprotect resumed>) = 0 [pid 499] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 502] <... rt_sigaction resumed>NULL, 8) = 0 [pid 501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 499] close(5 [pid 502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 499] <... close resumed>) = 0 [pid 502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 499] close(4 [pid 502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 501] <... clone3 resumed> => {parent_tid=[505]}, 88) = 505 [pid 502] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 501] rt_sigprocmask(SIG_SETMASK, [], [pid 502] <... mprotect resumed>) = 0 [pid 501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 499] <... close resumed>) = 0 ./strace-static-x86_64: Process 503 attached [pid 502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 501] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] set_robust_list(0x55555610b6a0, 24 [pid 502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 501] <... futex resumed>) = 0 [pid 499] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 501] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 502] <... clone3 resumed> => {parent_tid=[506]}, 88) = 506 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 503] <... set_robust_list resumed>) = 0 [pid 502] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 499] <... futex resumed>) = 1 [pid 495] <... futex resumed>) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 499] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 495] exit_group(0./strace-static-x86_64: Process 505 attached ) = ? [pid 499] <... futex resumed>) = ? [pid 505] set_robust_list(0x7f41e0a639a0, 24 [pid 503] <... prctl resumed>) = 0 [pid 505] <... set_robust_list resumed>) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 505] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 501] <... futex resumed>) = 0 [pid 505] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 501] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 499] +++ exited with 0 +++ [pid 495] +++ exited with 0 +++ [pid 501] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 503] setpgid(0, 0 [pid 505] <... write resumed>) = 4096 [pid 503] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 505] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 505] <... futex resumed>) = 1 [pid 503] <... openat resumed>) = 3 [pid 501] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 505] memfd_create("syzkaller", 0 [pid 501] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 505] <... memfd_create resumed>) = 4 [pid 501] <... futex resumed>) = 0 [pid 505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 503] write(3, "1000", 4 [pid 501] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 505] <... mmap resumed>) = 0x7f41d8643000 [pid 503] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 505] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 503] close(3 [pid 309] ioctl(3, LOOP_CLR_FD [pid 503] <... close resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 503] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(3./strace-static-x86_64: Process 506 attached [pid 503] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 506] set_robust_list(0x7f41e0a639a0, 24 [pid 505] <... write resumed>) = 262144 [pid 503] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 507 [pid 503] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 507 attached [pid 506] <... set_robust_list resumed>) = 0 [pid 505] munmap(0x7f41d8643000, 138412032 [pid 507] set_robust_list(0x55555610b6a0, 24 [pid 506] rt_sigprocmask(SIG_SETMASK, [], [pid 503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 507] <... set_robust_list resumed>) = 0 [pid 506] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 506] <... openat resumed>) = 3 [pid 506] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 505] <... munmap resumed>) = 0 [pid 503] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 505] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 506] <... futex resumed>) = 1 [pid 505] <... openat resumed>) = 5 [pid 503] <... mprotect resumed>) = 0 [pid 502] <... futex resumed>) = 0 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 506] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 505] ioctl(5, LOOP_SET_FD, 4 [pid 503] rt_sigprocmask(SIG_BLOCK, ~[], [pid 502] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] <... prctl resumed>) = 0 [pid 506] <... write resumed>) = 4096 [pid 505] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 503] <... rt_sigprocmask resumed>[], 8) = 0 [pid 502] <... futex resumed>) = 0 [pid 505] ioctl(5, LOOP_CLR_FD [pid 502] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 505] <... ioctl resumed>) = 0 [pid 507] setpgid(0, 0 [pid 506] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 507] <... setpgid resumed>) = 0 [pid 505] ioctl(5, LOOP_SET_FD, 4 [pid 506] <... futex resumed>) = 1 [pid 505] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 502] <... futex resumed>) = 0 [pid 506] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 503] <... clone3 resumed> => {parent_tid=[508]}, 88) = 508 [pid 505] close(5 [pid 502] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 505] <... close resumed>) = 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [], [pid 502] <... futex resumed>) = 0 [pid 507] <... openat resumed>) = 3 [pid 507] write(3, "1000", 4 [pid 506] memfd_create("syzkaller", 0 [pid 503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 506] <... memfd_create resumed>) = 4 [pid 507] <... write resumed>) = 4 [pid 506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 503] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 507] close(3 [pid 506] <... mmap resumed>) = 0x7f41d8643000 [pid 505] close(4 [pid 503] <... futex resumed>) = 0 [pid 502] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 507] <... close resumed>) = 0 [pid 505] <... close resumed>) = 0 [pid 505] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 501] <... futex resumed>) = 0 [pid 505] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 501] exit_group(0 [pid 505] <... futex resumed>) = ? [pid 501] <... exit_group resumed>) = ? [pid 507] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 503] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 507] <... futex resumed>) = 0 [pid 505] +++ exited with 0 +++ [pid 501] +++ exited with 0 +++ [pid 507] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 307] <... openat resumed>) = 3 [pid 507] <... mmap resumed>) = 0x7f41e0a43000 [pid 307] ioctl(3, LOOP_CLR_FD [pid 507] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 307] <... ioctl resumed>) = 0 [pid 507] <... mprotect resumed>) = 0 [pid 307] close(3 [pid 507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 507] <... clone3 resumed> => {parent_tid=[509]}, 88) = 509 [pid 507] rt_sigprocmask(SIG_SETMASK, [], [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 510 [pid 507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 507] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 507] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 508 attached [pid 506] <... write resumed>) = 262144 ./strace-static-x86_64: Process 509 attached [pid 508] set_robust_list(0x7f41e0a639a0, 24 [pid 509] set_robust_list(0x7f41e0a639a0, 24 [pid 508] <... set_robust_list resumed>) = 0 [pid 509] <... set_robust_list resumed>) = 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [], [pid 509] rt_sigprocmask(SIG_SETMASK, [], [pid 508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 506] munmap(0x7f41d8643000, 138412032 [pid 509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 508] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 509] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 508] <... openat resumed>) = 3 [pid 506] <... munmap resumed>) = 0 [pid 509] <... openat resumed>) = 3 [pid 508] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 510 attached [pid 509] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] <... futex resumed>) = 1 [pid 506] <... openat resumed>) = 5 [pid 503] <... futex resumed>) = 0 [pid 509] <... futex resumed>) = 1 [pid 508] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] <... futex resumed>) = 0 [pid 503] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 507] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 506] ioctl(5, LOOP_SET_FD, 4 [pid 503] <... futex resumed>) = 0 [pid 510] set_robust_list(0x55555610b6a0, 24 [pid 509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 508] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 503] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 509] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 507] <... futex resumed>) = 0 [pid 507] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 506] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 510] <... set_robust_list resumed>) = 0 [pid 509] <... write resumed>) = 4096 [pid 508] <... write resumed>) = 4096 [pid 506] ioctl(5, LOOP_CLR_FD [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] <... ioctl resumed>) = 0 [pid 510] setpgid(0, 0 [pid 509] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] <... setpgid resumed>) = 0 [pid 509] <... futex resumed>) = 1 [pid 508] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 503] <... futex resumed>) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] memfd_create("syzkaller", 0 [pid 508] memfd_create("syzkaller", 0 [pid 507] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 503] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] write(3, "1000", 4 [pid 509] <... memfd_create resumed>) = 4 [pid 508] <... memfd_create resumed>) = 4 [pid 507] <... futex resumed>) = 0 [pid 506] ioctl(5, LOOP_SET_FD, 4 [pid 503] <... futex resumed>) = 0 [pid 510] <... write resumed>) = 4 [pid 509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 507] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 506] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 503] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 510] close(3 [pid 509] <... mmap resumed>) = 0x7f41d8643000 [pid 508] <... mmap resumed>) = 0x7f41d8643000 [pid 506] close(5 [pid 510] <... close resumed>) = 0 [pid 509] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 508] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 510] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... write resumed>) = 262144 [pid 506] <... close resumed>) = 0 [pid 510] <... futex resumed>) = 0 [pid 508] <... write resumed>) = 262144 [pid 506] close(4 [pid 510] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 509] munmap(0x7f41d8643000, 138412032) = 0 [pid 508] munmap(0x7f41d8643000, 138412032 [pid 510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 508] <... munmap resumed>) = 0 [pid 506] <... close resumed>) = 0 [pid 508] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 509] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 508] <... openat resumed>) = 5 [pid 506] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 509] <... openat resumed>) = 5 [pid 508] ioctl(5, LOOP_SET_FD, 4 [pid 506] <... futex resumed>) = 1 [pid 502] <... futex resumed>) = 0 [pid 510] <... mmap resumed>) = 0x7f41e0a43000 [pid 509] ioctl(5, LOOP_SET_FD, 4 [pid 508] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 506] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 502] exit_group(0 [pid 509] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 508] ioctl(5, LOOP_CLR_FD [pid 502] <... exit_group resumed>) = ? [pid 510] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 509] ioctl(5, LOOP_CLR_FD [pid 508] <... ioctl resumed>) = 0 [pid 506] <... futex resumed>) = ? [pid 510] <... mprotect resumed>) = 0 [pid 509] <... ioctl resumed>) = 0 [pid 509] ioctl(5, LOOP_SET_FD, 4 [pid 508] ioctl(5, LOOP_SET_FD, 4 [pid 509] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 508] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 506] +++ exited with 0 +++ [pid 502] +++ exited with 0 +++ [pid 509] close(5 [pid 508] close(5 [pid 510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 509] <... close resumed>) = 0 [pid 508] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 509] close(4 [pid 508] close(4 [pid 510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 509] <... close resumed>) = 0 [pid 508] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 509] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 508] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 509] <... futex resumed>) = 1 [pid 508] <... futex resumed>) = 1 [pid 507] <... futex resumed>) = 0 [pid 503] <... futex resumed>) = 0 [pid 509] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 508] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 507] exit_group(0 [pid 503] exit_group(0 [pid 509] <... futex resumed>) = ? [pid 508] <... futex resumed>) = ? [pid 507] <... exit_group resumed>) = ? [pid 503] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 3 ./strace-static-x86_64: Process 512 attached [pid 510] <... clone3 resumed> => {parent_tid=[512]}, 88) = 512 [pid 509] +++ exited with 0 +++ [pid 508] +++ exited with 0 +++ [pid 507] +++ exited with 0 +++ [pid 503] +++ exited with 0 +++ [pid 510] rt_sigprocmask(SIG_SETMASK, [], [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 306] ioctl(3, LOOP_CLR_FD [pid 512] set_robust_list(0x7f41e0a639a0, 24 [pid 510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 510] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... ioctl resumed>) = 0 [pid 510] <... futex resumed>) = 0 [pid 306] close(3 [pid 510] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 512] <... set_robust_list resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 512] rt_sigprocmask(SIG_SETMASK, [], [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] close(3 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 513 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 512] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 514 ./strace-static-x86_64: Process 513 attached [pid 512] <... openat resumed>) = 3 [pid 308] ioctl(3, LOOP_CLR_FD [pid 513] set_robust_list(0x55555610b6a0, 24) = 0 [pid 512] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... ioctl resumed>) = 0 [pid 512] <... futex resumed>) = 1 [pid 510] <... futex resumed>) = 0 [pid 308] close(3 [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 512] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... close resumed>) = 0 [pid 512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 510] <... futex resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 513] <... openat resumed>) = 3 [pid 512] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 510] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 513] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 512] <... write resumed>) = 4096 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 515 [pid 513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 512] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] <... mmap resumed>) = 0x7f41e0a43000 [pid 513] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 515 attached ) = 0 [pid 515] set_robust_list(0x55555610b6a0, 24 [pid 513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 515] <... set_robust_list resumed>) = 0 [pid 513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 515] <... prctl resumed>) = 0 [pid 515] setpgid(0, 0 [pid 513] <... clone3 resumed> => {parent_tid=[516]}, 88) = 516 [pid 515] <... setpgid resumed>) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], [pid 512] <... futex resumed>) = 1 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 512] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 510] <... futex resumed>) = 0 ./strace-static-x86_64: Process 514 attached [pid 515] <... openat resumed>) = 3 [pid 513] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] write(3, "1000", 4 [pid 513] <... futex resumed>) = 0 [pid 515] <... write resumed>) = 4 [pid 513] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 515] close(3) = 0 [pid 515] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 510] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] set_robust_list(0x55555610b6a0, 24 [pid 515] <... futex resumed>) = 0 [pid 515] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 514] <... set_robust_list resumed>) = 0 [pid 512] <... futex resumed>) = 0 [pid 510] <... futex resumed>) = 1 [pid 515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 ./strace-static-x86_64: Process 516 attached [pid 515] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 516] set_robust_list(0x7f41e0a639a0, 24 [pid 515] <... mprotect resumed>) = 0 [pid 516] <... set_robust_list resumed>) = 0 [pid 515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 516] rt_sigprocmask(SIG_SETMASK, [], [pid 515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 516] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 515] <... clone3 resumed> => {parent_tid=[517]}, 88) = 517 [pid 516] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] rt_sigprocmask(SIG_SETMASK, [], [pid 516] <... futex resumed>) = 1 [pid 515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 513] <... futex resumed>) = 0 [pid 516] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 515] <... futex resumed>) = 0 [pid 513] <... futex resumed>) = 0 [pid 516] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 515] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 513] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 517] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 517] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 515] <... futex resumed>) = 0 [pid 515] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 515] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 517] <... futex resumed>) = 1 [pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 512] memfd_create("syzkaller", 0 [pid 510] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 517] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 516] <... write resumed>) = 4096 [pid 514] <... prctl resumed>) = 0 [pid 512] <... memfd_create resumed>) = 4 [pid 516] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] setpgid(0, 0 [pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 517] <... write resumed>) = 4096 [pid 516] <... futex resumed>) = 1 [pid 513] <... futex resumed>) = 0 [pid 517] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 516] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 514] <... setpgid resumed>) = 0 [pid 513] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] <... mmap resumed>) = 0x7f41d8643000 [pid 517] <... futex resumed>) = 1 [pid 516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 515] <... futex resumed>) = 0 [pid 513] <... futex resumed>) = 0 [pid 517] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 516] memfd_create("syzkaller", 0 [pid 515] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 513] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 516] <... memfd_create resumed>) = 4 [pid 515] <... futex resumed>) = 0 [pid 517] memfd_create("syzkaller", 0 [pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 515] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 512] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 514] <... openat resumed>) = 3 [pid 517] <... memfd_create resumed>) = 4 [pid 516] <... mmap resumed>) = 0x7f41d8643000 [pid 514] write(3, "1000", 4 [pid 517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 516] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 514] <... write resumed>) = 4 [pid 512] <... write resumed>) = 262144 [pid 517] <... mmap resumed>) = 0x7f41d8643000 [pid 516] <... write resumed>) = 262144 [pid 517] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 514] close(3 [pid 512] munmap(0x7f41d8643000, 138412032 [pid 517] <... write resumed>) = 262144 [pid 516] munmap(0x7f41d8643000, 138412032 [pid 514] <... close resumed>) = 0 [pid 512] <... munmap resumed>) = 0 [pid 516] <... munmap resumed>) = 0 [pid 514] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 512] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5 [pid 514] <... futex resumed>) = 0 [pid 512] <... openat resumed>) = 5 [pid 514] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 516] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 516] ioctl(5, LOOP_CLR_FD [pid 514] <... rt_sigaction resumed>NULL, 8) = 0 [pid 512] ioctl(5, LOOP_SET_FD, 4 [pid 517] munmap(0x7f41d8643000, 138412032 [pid 516] <... ioctl resumed>) = 0 [pid 517] <... munmap resumed>) = 0 [pid 514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 512] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 517] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 512] ioctl(5, LOOP_CLR_FD [pid 517] <... openat resumed>) = 5 [pid 516] ioctl(5, LOOP_SET_FD, 4 [pid 517] ioctl(5, LOOP_SET_FD, 4 [pid 516] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 512] <... ioctl resumed>) = 0 [pid 517] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 516] close(5 [pid 517] ioctl(5, LOOP_CLR_FD [pid 516] <... close resumed>) = 0 [pid 517] <... ioctl resumed>) = 0 [pid 516] close(4 [pid 514] <... mmap resumed>) = 0x7f41e0a43000 [pid 516] <... close resumed>) = 0 [pid 516] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 516] <... futex resumed>) = 1 [pid 513] <... futex resumed>) = 0 [pid 516] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 513] exit_group(0 [pid 516] <... futex resumed>) = ? [pid 513] <... exit_group resumed>) = ? [pid 517] ioctl(5, LOOP_SET_FD, 4 [pid 516] +++ exited with 0 +++ [pid 514] <... mprotect resumed>) = 0 [pid 513] +++ exited with 0 +++ [pid 517] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 517] close(5) = 0 [pid 517] close(4 [pid 514] rt_sigprocmask(SIG_BLOCK, ~[], [pid 517] <... close resumed>) = 0 [pid 514] <... rt_sigprocmask resumed>[], 8) = 0 [pid 512] ioctl(5, LOOP_SET_FD, 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 517] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 512] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 517] <... futex resumed>) = 1 [pid 515] <... futex resumed>) = 0 [pid 512] close(5 [pid 517] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 515] exit_group(0 [pid 514] <... clone3 resumed> => {parent_tid=[518]}, 88) = 518 [pid 512] <... close resumed>) = 0 [pid 517] <... futex resumed>) = ? [pid 515] <... exit_group resumed>) = ? [pid 517] +++ exited with 0 +++ [pid 515] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 514] rt_sigprocmask(SIG_SETMASK, [], [pid 512] close(4 [pid 514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 514] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 512] <... close resumed>) = 0 [pid 514] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 512] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... openat resumed>) = 3 [pid 512] <... futex resumed>) = 1 [pid 510] <... futex resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 510] exit_group(0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 306] <... ioctl resumed>) = 0 [pid 510] <... exit_group resumed>) = ? [pid 308] <... ioctl resumed>) = 0 [pid 306] close(3 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 512] +++ exited with 0 +++ [pid 510] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 520 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 519 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 307] close(3) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 518 attached , child_tidptr=0x55555610b690) = 521 ./strace-static-x86_64: Process 521 attached ./strace-static-x86_64: Process 519 attached [pid 518] set_robust_list(0x7f41e0a639a0, 24 [pid 521] set_robust_list(0x55555610b6a0, 24 [pid 519] set_robust_list(0x55555610b6a0, 24 [pid 518] <... set_robust_list resumed>) = 0 [pid 521] <... set_robust_list resumed>) = 0 [pid 519] <... set_robust_list resumed>) = 0 [pid 518] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 520 attached [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 521] <... prctl resumed>) = 0 [pid 520] set_robust_list(0x55555610b6a0, 24 [pid 519] <... prctl resumed>) = 0 [pid 518] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 521] setpgid(0, 0 [pid 520] <... set_robust_list resumed>) = 0 [pid 519] setpgid(0, 0 [pid 518] <... openat resumed>) = 3 [pid 521] <... setpgid resumed>) = 0 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 519] <... setpgid resumed>) = 0 [pid 518] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 518] <... futex resumed>) = 1 [pid 520] <... prctl resumed>) = 0 [pid 514] <... futex resumed>) = 0 [pid 521] <... openat resumed>) = 3 [pid 520] setpgid(0, 0 [pid 519] <... openat resumed>) = 3 [pid 518] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] write(3, "1000", 4 [pid 520] <... setpgid resumed>) = 0 [pid 519] write(3, "1000", 4 [pid 518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 514] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 521] <... write resumed>) = 4 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 519] <... write resumed>) = 4 [pid 521] close(3 [pid 518] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 514] <... futex resumed>) = 0 [pid 520] <... openat resumed>) = 3 [pid 514] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 521] <... close resumed>) = 0 [pid 519] close(3 [pid 521] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... close resumed>) = 0 [pid 518] <... write resumed>) = 4096 [pid 520] write(3, "1000", 4 [pid 521] <... futex resumed>) = 0 [pid 520] <... write resumed>) = 4 [pid 519] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 521] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 520] close(3 [pid 519] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 518] <... futex resumed>) = 1 [pid 514] <... futex resumed>) = 0 [pid 521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 519] <... rt_sigaction resumed>NULL, 8) = 0 [pid 514] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] memfd_create("syzkaller", 0 [pid 520] <... close resumed>) = 0 [pid 521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 514] <... futex resumed>) = 0 [pid 521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 520] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 518] <... memfd_create resumed>) = 4 [pid 514] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 520] <... futex resumed>) = 0 [pid 519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 521] <... mmap resumed>) = 0x7f41e0a43000 [pid 519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 518] <... mmap resumed>) = 0x7f41d8643000 [pid 520] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 519] <... mmap resumed>) = 0x7f41e0a43000 [pid 521] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 518] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 521] <... mprotect resumed>) = 0 [pid 520] <... rt_sigaction resumed>NULL, 8) = 0 [pid 519] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 519] <... mprotect resumed>) = 0 [pid 521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 519] rt_sigprocmask(SIG_BLOCK, ~[], [pid 520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 519] <... rt_sigprocmask resumed>[], 8) = 0 [pid 521] <... clone3 resumed> => {parent_tid=[522]}, 88) = 522 [pid 520] <... mmap resumed>) = 0x7f41e0a43000 [pid 519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 521] rt_sigprocmask(SIG_SETMASK, [], [pid 520] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 520] <... mprotect resumed>) = 0 [pid 521] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 519] <... clone3 resumed> => {parent_tid=[523]}, 88) = 523 ./strace-static-x86_64: Process 522 attached [pid 521] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], [pid 518] <... write resumed>) = 262144 [pid 522] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 518] munmap(0x7f41d8643000, 138412032 [pid 522] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 523 attached NULL, 8) = 0 [pid 523] set_robust_list(0x7f41e0a639a0, 24 [pid 522] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 519] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] <... set_robust_list resumed>) = 0 [pid 522] <... openat resumed>) = 3 [pid 520] <... clone3 resumed> => {parent_tid=[524]}, 88) = 524 [pid 518] <... munmap resumed>) = 0 [pid 519] <... futex resumed>) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [], [pid 522] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 522] <... futex resumed>) = 1 [pid 521] <... futex resumed>) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [], [pid 518] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 524 attached [pid 523] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 522] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 518] <... openat resumed>) = 5 [pid 524] set_robust_list(0x7f41e0a639a0, 24 [pid 523] <... openat resumed>) = 3 [pid 522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 521] <... futex resumed>) = 0 [pid 520] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] ioctl(5, LOOP_SET_FD, 4 [pid 523] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 524] <... set_robust_list resumed>) = 0 [pid 518] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 521] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 520] <... futex resumed>) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [], [pid 523] <... futex resumed>) = 1 [pid 519] <... futex resumed>) = 0 [pid 524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 523] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... write resumed>) = 4096 [pid 520] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 519] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] ioctl(5, LOOP_CLR_FD [pid 524] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 522] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 518] <... ioctl resumed>) = 0 [pid 524] <... openat resumed>) = 3 [pid 523] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 522] <... futex resumed>) = 1 [pid 521] <... futex resumed>) = 0 [pid 519] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 524] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] <... write resumed>) = 4096 [pid 522] memfd_create("syzkaller", 0 [pid 521] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] <... futex resumed>) = 1 [pid 523] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 520] <... futex resumed>) = 0 [pid 523] <... futex resumed>) = 1 [pid 523] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 522] <... memfd_create resumed>) = 4 [pid 524] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] <... futex resumed>) = 0 [pid 520] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 519] <... futex resumed>) = 0 [pid 518] ioctl(5, LOOP_SET_FD, 4 [pid 524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 521] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 520] <... futex resumed>) = 0 [pid 519] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 518] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 524] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 522] <... mmap resumed>) = 0x7f41d8643000 [pid 523] <... futex resumed>) = 0 [pid 520] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 519] <... futex resumed>) = 1 [pid 518] close(5 [pid 523] memfd_create("syzkaller", 0) = 4 [pid 523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 524] <... write resumed>) = 4096 [pid 523] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 519] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 518] <... close resumed>) = 0 [pid 524] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 523] <... write resumed>) = 262144 [pid 524] <... futex resumed>) = 1 [pid 523] munmap(0x7f41d8643000, 138412032 [pid 522] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 520] <... futex resumed>) = 0 [pid 518] close(4 [pid 523] <... munmap resumed>) = 0 [pid 520] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] memfd_create("syzkaller", 0 [pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 520] <... futex resumed>) = 0 [pid 518] <... close resumed>) = 0 [pid 524] <... memfd_create resumed>) = 4 [pid 523] <... openat resumed>) = 5 [pid 520] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 518] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 523] ioctl(5, LOOP_SET_FD, 4 [pid 524] <... mmap resumed>) = 0x7f41d8643000 [pid 523] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 518] <... futex resumed>) = 1 [pid 514] <... futex resumed>) = 0 [pid 523] ioctl(5, LOOP_CLR_FD) = 0 [pid 523] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 523] close(5) = 0 [pid 523] close(4 [pid 524] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 523] <... close resumed>) = 0 [pid 518] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 514] exit_group(0 [pid 524] <... write resumed>) = 262144 [pid 523] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] <... write resumed>) = 262144 [pid 518] <... futex resumed>) = ? [pid 514] <... exit_group resumed>) = ? [pid 523] <... futex resumed>) = 1 [pid 523] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 524] munmap(0x7f41d8643000, 138412032 [pid 522] munmap(0x7f41d8643000, 138412032 [pid 519] <... futex resumed>) = 0 [pid 518] +++ exited with 0 +++ [pid 514] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 522] <... munmap resumed>) = 0 [pid 519] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 524] <... munmap resumed>) = 0 [pid 523] <... futex resumed>) = ? [pid 519] <... exit_group resumed>) = ? [pid 523] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3) = 0 [pid 519] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 525 attached [pid 524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 522] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 525 [pid 524] <... openat resumed>) = 5 [pid 525] set_robust_list(0x55555610b6a0, 24 [pid 522] <... openat resumed>) = 5 [pid 524] ioctl(5, LOOP_SET_FD, 4 [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 525] <... set_robust_list resumed>) = 0 [pid 524] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 522] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 524] ioctl(5, LOOP_CLR_FD [pid 522] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 525] <... prctl resumed>) = 0 [pid 524] <... ioctl resumed>) = 0 [pid 522] ioctl(5, LOOP_CLR_FD [pid 525] setpgid(0, 0 [pid 522] <... ioctl resumed>) = 0 [pid 525] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... openat resumed>) = 3 [pid 525] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 525] write(3, "1000", 4 [pid 524] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... ioctl resumed>) = 0 [pid 525] <... write resumed>) = 4 [pid 524] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 522] ioctl(5, LOOP_SET_FD, 4 [pid 306] close(3 [pid 522] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 524] close(5 [pid 306] <... close resumed>) = 0 [pid 525] close(3 [pid 522] close(5 [pid 524] <... close resumed>) = 0 [pid 525] <... close resumed>) = 0 [pid 522] <... close resumed>) = 0 [pid 524] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 525] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] close(4 [pid 525] <... futex resumed>) = 0 [pid 524] <... close resumed>) = 0 [pid 522] <... close resumed>) = 0 [pid 525] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 524] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 522] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 524] <... futex resumed>) = 1 [pid 522] <... futex resumed>) = 1 [pid 521] <... futex resumed>) = 0 [pid 520] <... futex resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 526 [pid 525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 522] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 521] exit_group(0 [pid 520] exit_group(0 [pid 525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 522] <... futex resumed>) = ? [pid 521] <... exit_group resumed>) = ? [pid 520] <... exit_group resumed>) = ? [pid 525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x55555610b6a0, 24 [pid 525] <... mmap resumed>) = 0x7f41e0a43000 [pid 526] <... set_robust_list resumed>) = 0 [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 522] +++ exited with 0 +++ [pid 521] +++ exited with 0 +++ [pid 526] <... openat resumed>) = 3 [pid 525] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 526] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 526] <... write resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 526] close(3) = 0 [pid 525] <... mprotect resumed>) = 0 [pid 524] +++ exited with 0 +++ [pid 520] +++ exited with 0 +++ [pid 526] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 526] <... futex resumed>) = 0 [pid 525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 307] <... openat resumed>) = 3 [pid 526] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 308] <... restart_syscall resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 526] <... rt_sigaction resumed>NULL, 8) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 525] <... clone3 resumed> => {parent_tid=[527]}, 88) = 527 [pid 307] close(3 [pid 526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 525] rt_sigprocmask(SIG_SETMASK, [], [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 307] <... close resumed>) = 0 [pid 526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 526] <... mmap resumed>) = 0x7f41e0a43000 [pid 525] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] ioctl(3, LOOP_CLR_FD [pid 526] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 525] <... futex resumed>) = 0 [pid 308] <... ioctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 528 [pid 526] <... mprotect resumed>) = 0 [pid 525] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] close(3 [pid 526] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] <... close resumed>) = 0 [pid 526] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 527 attached [pid 526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 527] set_robust_list(0x7f41e0a639a0, 24 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 529 [pid 526] <... clone3 resumed> => {parent_tid=[530]}, 88) = 530 [pid 527] <... set_robust_list resumed>) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 526] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] rt_sigprocmask(SIG_SETMASK, [], [pid 526] <... futex resumed>) = 0 [pid 526] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 528 attached [pid 528] set_robust_list(0x55555610b6a0, 24 [pid 527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 528] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 529 attached [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 527] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC./strace-static-x86_64: Process 530 attached [pid 528] <... prctl resumed>) = 0 [pid 530] set_robust_list(0x7f41e0a639a0, 24 [pid 528] setpgid(0, 0 [pid 527] <... openat resumed>) = 3 [pid 530] <... set_robust_list resumed>) = 0 [pid 529] set_robust_list(0x55555610b6a0, 24 [pid 528] <... setpgid resumed>) = 0 [pid 527] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] rt_sigprocmask(SIG_SETMASK, [], [pid 529] <... set_robust_list resumed>) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 527] <... futex resumed>) = 1 [pid 525] <... futex resumed>) = 0 [pid 530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 528] <... openat resumed>) = 3 [pid 527] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 525] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 529] <... prctl resumed>) = 0 [pid 528] write(3, "1000", 4 [pid 527] <... write resumed>) = 4096 [pid 525] <... futex resumed>) = 0 [pid 530] <... openat resumed>) = 3 [pid 528] <... write resumed>) = 4 [pid 530] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] close(3 [pid 530] <... futex resumed>) = 1 [pid 529] setpgid(0, 0 [pid 528] <... close resumed>) = 0 [pid 527] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 526] <... futex resumed>) = 0 [pid 525] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 530] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 526] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 528] <... futex resumed>) = 0 [pid 526] <... futex resumed>) = 0 [pid 525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 530] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 529] <... setpgid resumed>) = 0 [pid 528] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 527] <... futex resumed>) = 0 [pid 526] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 525] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... write resumed>) = 4096 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 528] <... rt_sigaction resumed>NULL, 8) = 0 [pid 527] memfd_create("syzkaller", 0 [pid 525] <... futex resumed>) = 0 [pid 530] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... openat resumed>) = 3 [pid 528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 527] <... memfd_create resumed>) = 4 [pid 525] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 530] <... futex resumed>) = 1 [pid 529] write(3, "1000", 4 [pid 528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 526] <... futex resumed>) = 0 [pid 530] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 529] <... write resumed>) = 4 [pid 528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 527] <... mmap resumed>) = 0x7f41d8643000 [pid 526] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 529] close(3 [pid 528] <... mmap resumed>) = 0x7f41e0a43000 [pid 527] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 526] <... futex resumed>) = 0 [pid 530] memfd_create("syzkaller", 0 [pid 528] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 526] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 530] <... memfd_create resumed>) = 4 [pid 528] <... mprotect resumed>) = 0 [pid 530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 530] <... mmap resumed>) = 0x7f41d8643000 [pid 528] <... rt_sigprocmask resumed>[], 8) = 0 [pid 530] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 529] <... close resumed>) = 0 [pid 528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 530] <... write resumed>) = 262144 [pid 529] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] <... write resumed>) = 262144 [pid 529] <... futex resumed>) = 0 [pid 530] munmap(0x7f41d8643000, 138412032 [pid 529] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 527] munmap(0x7f41d8643000, 138412032 [pid 530] <... munmap resumed>) = 0 [pid 529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 528] <... clone3 resumed> => {parent_tid=[531]}, 88) = 531 [pid 527] <... munmap resumed>) = 0 [pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 528] rt_sigprocmask(SIG_SETMASK, [], [pid 530] <... openat resumed>) = 5 [pid 529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 527] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 530] ioctl(5, LOOP_SET_FD, 4 [pid 529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 528] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 530] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 529] <... mmap resumed>) = 0x7f41e0a43000 [pid 528] <... futex resumed>) = 0 [pid 530] ioctl(5, LOOP_CLR_FD [pid 529] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 528] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] <... openat resumed>) = 5 [pid 530] <... ioctl resumed>) = 0 [pid 529] <... mprotect resumed>) = 0 [pid 527] ioctl(5, LOOP_SET_FD, 4 [pid 529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 527] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 527] ioctl(5, LOOP_CLR_FD [pid 529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 527] <... ioctl resumed>) = 0 [pid 530] ioctl(5, LOOP_SET_FD, 4 [pid 529] <... clone3 resumed> => {parent_tid=[532]}, 88) = 532 [pid 530] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 529] rt_sigprocmask(SIG_SETMASK, [], [pid 530] close(5 [pid 529] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 531 attached [pid 530] <... close resumed>) = 0 [pid 529] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] ioctl(5, LOOP_SET_FD, 4 [pid 531] set_robust_list(0x7f41e0a639a0, 24 [pid 530] close(4 [pid 529] <... futex resumed>) = 0 [pid 527] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 531] <... set_robust_list resumed>) = 0 [pid 530] <... close resumed>) = 0 [pid 529] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 527] close(5./strace-static-x86_64: Process 532 attached [pid 531] rt_sigprocmask(SIG_SETMASK, [], [pid 530] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] <... close resumed>) = 0 [pid 532] set_robust_list(0x7f41e0a639a0, 24 [pid 531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 530] <... futex resumed>) = 1 [pid 527] close(4 [pid 526] <... futex resumed>) = 0 [pid 532] <... set_robust_list resumed>) = 0 [pid 531] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 530] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 526] exit_group(0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], [pid 530] <... futex resumed>) = ? [pid 526] <... exit_group resumed>) = ? [pid 532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 531] <... openat resumed>) = 3 [pid 530] +++ exited with 0 +++ [pid 527] <... close resumed>) = 0 [pid 526] +++ exited with 0 +++ [pid 532] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 531] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 532] <... openat resumed>) = 3 [pid 531] <... futex resumed>) = 1 [pid 528] <... futex resumed>) = 0 [pid 527] <... futex resumed>) = 1 [pid 525] <... futex resumed>) = 0 [pid 532] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 527] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 525] exit_group(0 [pid 532] <... futex resumed>) = 1 [pid 528] <... futex resumed>) = 0 [pid 532] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 529] <... futex resumed>) = 0 [pid 531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 525] <... exit_group resumed>) = ? [pid 527] <... futex resumed>) = ? [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 529] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 527] +++ exited with 0 +++ [pid 525] +++ exited with 0 +++ [pid 532] <... futex resumed>) = 0 [pid 529] <... futex resumed>) = 1 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 532] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 306] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 532] <... write resumed>) = 4096 [pid 531] <... write resumed>) = 4096 [pid 529] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] ioctl(3, LOOP_CLR_FD [pid 532] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 532] <... futex resumed>) = 0 [pid 531] <... futex resumed>) = 1 [pid 529] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 528] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] <... ioctl resumed>) = 0 [pid 532] memfd_create("syzkaller", 0 [pid 531] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 529] <... futex resumed>) = 0 [pid 528] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... openat resumed>) = 3 [pid 306] close(3 [pid 532] <... memfd_create resumed>) = 4 [pid 531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 529] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 528] <... futex resumed>) = 0 [pid 309] ioctl(3, LOOP_CLR_FD [pid 306] <... close resumed>) = 0 [pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 531] memfd_create("syzkaller", 0 [pid 528] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] <... ioctl resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 532] <... mmap resumed>) = 0x7f41d8643000 [pid 531] <... memfd_create resumed>) = 4 [pid 309] close(3 [pid 532] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 309] <... close resumed>) = 0 ./strace-static-x86_64: Process 533 attached [pid 532] <... write resumed>) = 262144 [pid 531] <... mmap resumed>) = 0x7f41d8643000 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 533 [pid 532] munmap(0x7f41d8643000, 138412032 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 534 [pid 532] <... munmap resumed>) = 0 [pid 532] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 532] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 532] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 534 attached [pid 531] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 533] set_robust_list(0x55555610b6a0, 24 [pid 534] set_robust_list(0x55555610b6a0, 24 [pid 533] <... set_robust_list resumed>) = 0 [pid 532] ioctl(5, LOOP_SET_FD, 4 [pid 534] <... set_robust_list resumed>) = 0 [pid 532] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 532] close(5 [pid 534] <... prctl resumed>) = 0 [pid 532] <... close resumed>) = 0 [pid 533] <... prctl resumed>) = 0 [pid 534] setpgid(0, 0 [pid 532] close(4 [pid 534] <... setpgid resumed>) = 0 [pid 533] setpgid(0, 0 [pid 532] <... close resumed>) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 533] <... setpgid resumed>) = 0 [pid 532] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] <... openat resumed>) = 3 [pid 532] <... futex resumed>) = 1 [pid 529] <... futex resumed>) = 0 [pid 534] write(3, "1000", 4 [pid 532] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 529] exit_group(0 [pid 534] <... write resumed>) = 4 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 532] <... futex resumed>) = ? [pid 529] <... exit_group resumed>) = ? [pid 534] close(3 [pid 533] <... openat resumed>) = 3 [pid 532] +++ exited with 0 +++ [pid 531] <... write resumed>) = 262144 [pid 534] <... close resumed>) = 0 [pid 534] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 534] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 529] +++ exited with 0 +++ [pid 534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 533] write(3, "1000", 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 534] <... mmap resumed>) = 0x7f41e0a43000 [pid 533] <... write resumed>) = 4 [pid 531] munmap(0x7f41d8643000, 138412032 [pid 534] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 533] close(3 [pid 534] <... mprotect resumed>) = 0 [pid 533] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 533] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 533] <... futex resumed>) = 0 [pid 531] <... munmap resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 533] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 531] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 308] <... ioctl resumed>) = 0 [pid 533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 531] <... openat resumed>) = 5 [pid 308] close(3 [pid 534] <... clone3 resumed> => {parent_tid=[535]}, 88) = 535 [pid 533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 531] ioctl(5, LOOP_SET_FD, 4 [pid 308] <... close resumed>) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, [], [pid 533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 531] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 531] ioctl(5, LOOP_CLR_FD [pid 534] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... mmap resumed>) = 0x7f41e0a43000 [pid 531] <... ioctl resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 536 [pid 534] <... futex resumed>) = 0 [pid 533] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 534] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 533] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 536 attached [pid 536] set_robust_list(0x55555610b6a0, 24 [pid 533] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x7f41e0a639a0, 24 [pid 533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 531] ioctl(5, LOOP_SET_FD, 4 [pid 536] <... set_robust_list resumed>) = 0 [pid 535] <... set_robust_list resumed>) = 0 [pid 535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 531] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 535] <... openat resumed>) = 3 [pid 531] close(5 [pid 535] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] <... close resumed>) = 0 [pid 533] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537 [pid 536] <... prctl resumed>) = 0 [pid 535] <... futex resumed>) = 1 [pid 534] <... futex resumed>) = 0 [pid 533] rt_sigprocmask(SIG_SETMASK, [], [pid 531] close(4 [pid 535] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 534] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 535] <... write resumed>) = 4096 [pid 534] <... futex resumed>) = 0 [pid 535] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] <... futex resumed>) = 0 [pid 534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 535] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 534] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] setpgid(0, 0 [pid 535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 534] <... futex resumed>) = 0 [pid 533] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 531] <... close resumed>) = 0 [pid 536] <... setpgid resumed>) = 0 [pid 535] memfd_create("syzkaller", 0 [pid 534] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 533] <... futex resumed>) = 0 [pid 531] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] <... memfd_create resumed>) = 4 [pid 533] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 531] <... futex resumed>) = 1 [pid 528] <... futex resumed>) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 531] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 528] exit_group(0 [pid 536] <... openat resumed>) = 3 [pid 535] <... mmap resumed>) = 0x7f41d8643000 [pid 531] <... futex resumed>) = ? [pid 528] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 537 attached [pid 536] write(3, "1000", 4 [pid 535] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 531] +++ exited with 0 +++ [pid 528] +++ exited with 0 +++ [pid 537] set_robust_list(0x7f41e0a639a0, 24 [pid 536] <... write resumed>) = 4 [pid 537] <... set_robust_list resumed>) = 0 [pid 536] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 537] rt_sigprocmask(SIG_SETMASK, [], [pid 536] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 307] close(3) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 538 [pid 535] <... write resumed>) = 262144 [pid 536] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] munmap(0x7f41d8643000, 138412032 [pid 537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 536] <... futex resumed>) = 0 [pid 535] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 538 attached [pid 537] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 536] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 535] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 538] set_robust_list(0x55555610b6a0, 24 [pid 537] <... openat resumed>) = 3 [pid 536] <... rt_sigaction resumed>NULL, 8) = 0 [pid 535] <... openat resumed>) = 5 [pid 538] <... set_robust_list resumed>) = 0 [pid 537] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 537] <... futex resumed>) = 1 [pid 536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 535] ioctl(5, LOOP_SET_FD, 4 [pid 533] <... futex resumed>) = 0 [pid 538] <... prctl resumed>) = 0 [pid 537] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 535] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 533] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] setpgid(0, 0 [pid 537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 536] <... mmap resumed>) = 0x7f41e0a43000 [pid 535] ioctl(5, LOOP_CLR_FD [pid 533] <... futex resumed>) = 0 [pid 538] <... setpgid resumed>) = 0 [pid 537] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 536] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 535] <... ioctl resumed>) = 0 [pid 533] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 537] <... write resumed>) = 4096 [pid 536] <... mprotect resumed>) = 0 [pid 538] <... openat resumed>) = 3 [pid 537] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 538] write(3, "1000", 4 [pid 537] <... futex resumed>) = 1 [pid 536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 533] <... futex resumed>) = 0 [pid 538] <... write resumed>) = 4 [pid 537] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 533] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] close(3 [pid 537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 535] ioctl(5, LOOP_SET_FD, 4 [pid 533] <... futex resumed>) = 0 [pid 538] <... close resumed>) = 0 [pid 536] <... clone3 resumed> => {parent_tid=[539]}, 88) = 539 [pid 535] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 538] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] memfd_create("syzkaller", 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [], [pid 535] close(5 [pid 533] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 539 attached [pid 538] <... futex resumed>) = 0 [pid 537] <... memfd_create resumed>) = 4 [pid 536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 535] <... close resumed>) = 0 [pid 539] set_robust_list(0x7f41e0a639a0, 24 [pid 538] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 536] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 535] close(4 [pid 539] <... set_robust_list resumed>) = 0 [pid 538] <... rt_sigaction resumed>NULL, 8) = 0 [pid 537] <... mmap resumed>) = 0x7f41d8643000 [pid 536] <... futex resumed>) = 0 [pid 535] <... close resumed>) = 0 [pid 539] rt_sigprocmask(SIG_SETMASK, [], [pid 538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 536] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 535] <... futex resumed>) = 1 [pid 538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 535] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 538] <... mmap resumed>) = 0x7f41e0a43000 [pid 538] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[540]}, 88) = 540 [pid 538] rt_sigprocmask(SIG_SETMASK, [], [pid 537] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 534] <... futex resumed>) = 0 [pid 539] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 538] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 534] exit_group(0 [pid 539] <... openat resumed>) = 3 [pid 538] <... futex resumed>) = 0 [pid 535] <... futex resumed>) = ? [pid 534] <... exit_group resumed>) = ? [pid 539] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 538] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 535] +++ exited with 0 +++ [pid 534] +++ exited with 0 +++ [pid 539] <... futex resumed>) = 1 [pid 536] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 539] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 537] <... write resumed>) = 262144 [pid 536] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 536] <... futex resumed>) = 0 [pid 539] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 537] munmap(0x7f41d8643000, 138412032 [pid 536] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 539] <... write resumed>) = 4096 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 539] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 536] <... futex resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 539] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 537] <... munmap resumed>) = 0 [pid 536] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(3, LOOP_CLR_FD [pid 539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 536] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 540 attached [pid 539] memfd_create("syzkaller", 0 [pid 537] <... openat resumed>) = 5 [pid 536] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] close(3 [pid 540] set_robust_list(0x7f41e0a639a0, 24 [pid 539] <... memfd_create resumed>) = 4 [pid 537] ioctl(5, LOOP_SET_FD, 4 [pid 309] <... close resumed>) = 0 [pid 540] <... set_robust_list resumed>) = 0 [pid 539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 537] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 540] rt_sigprocmask(SIG_SETMASK, [], [pid 539] <... mmap resumed>) = 0x7f41d8643000 [pid 537] ioctl(5, LOOP_CLR_FD [pid 540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 537] <... ioctl resumed>) = 0 [pid 540] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC./strace-static-x86_64: Process 541 attached [pid 539] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 540] <... openat resumed>) = 3 [pid 540] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 541 [pid 540] <... futex resumed>) = 1 [pid 540] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 538] <... futex resumed>) = 0 [pid 538] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 537] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 540] <... futex resumed>) = 0 [pid 538] <... futex resumed>) = 1 [pid 537] close(5 [pid 540] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 537] <... close resumed>) = 0 [pid 540] <... write resumed>) = 4096 [pid 539] <... write resumed>) = 262144 [pid 538] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 537] close(4 [pid 541] set_robust_list(0x55555610b6a0, 24) = 0 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0) = 0 [pid 540] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 537] <... close resumed>) = 0 [pid 540] <... futex resumed>) = 1 [pid 539] munmap(0x7f41d8643000, 138412032 [pid 538] <... futex resumed>) = 0 [pid 537] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 539] <... munmap resumed>) = 0 [pid 538] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 539] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 538] <... futex resumed>) = 0 [pid 537] <... futex resumed>) = 1 [pid 533] <... futex resumed>) = 0 [pid 540] memfd_create("syzkaller", 0 [pid 539] <... openat resumed>) = 5 [pid 538] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 537] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 533] exit_group(0 [pid 540] <... memfd_create resumed>) = 4 [pid 539] ioctl(5, LOOP_SET_FD, 4 [pid 533] <... exit_group resumed>) = ? [pid 537] <... futex resumed>) = ? [pid 540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 541] <... openat resumed>) = 3 [pid 541] write(3, "1000", 4) = 4 [pid 537] +++ exited with 0 +++ [pid 533] +++ exited with 0 +++ [pid 540] <... mmap resumed>) = 0x7f41d8643000 [pid 539] ioctl(5, LOOP_CLR_FD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 541] close(3 [pid 539] <... ioctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 541] <... close resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 541] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... ioctl resumed>) = 0 [pid 541] <... futex resumed>) = 0 [pid 540] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 306] close(3 [pid 541] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 540] <... write resumed>) = 262144 [pid 539] ioctl(5, LOOP_SET_FD, 4 [pid 306] <... close resumed>) = 0 [pid 541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 540] munmap(0x7f41d8643000, 138412032 [pid 539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 540] <... munmap resumed>) = 0 [pid 539] close(5 [pid 541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 540] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 539] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 542 [pid 541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 540] <... openat resumed>) = 5 [pid 539] close(4./strace-static-x86_64: Process 542 attached [pid 541] <... mmap resumed>) = 0x7f41e0a43000 [pid 540] ioctl(5, LOOP_SET_FD, 4 [pid 541] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 542] set_robust_list(0x55555610b6a0, 24 [pid 541] <... mprotect resumed>) = 0 [pid 540] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 539] <... close resumed>) = 0 [pid 542] <... set_robust_list resumed>) = 0 [pid 541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 540] ioctl(5, LOOP_CLR_FD [pid 539] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 540] <... ioctl resumed>) = 0 [pid 539] <... futex resumed>) = 1 [pid 536] <... futex resumed>) = 0 [pid 542] <... prctl resumed>) = 0 [pid 541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 539] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 536] exit_group(0 [pid 542] setpgid(0, 0 [pid 539] <... futex resumed>) = ? [pid 536] <... exit_group resumed>) = ? [pid 542] <... setpgid resumed>) = 0 [pid 541] <... clone3 resumed> => {parent_tid=[543]}, 88) = 543 [pid 540] ioctl(5, LOOP_SET_FD, 4 [pid 539] +++ exited with 0 +++ [pid 536] +++ exited with 0 +++ [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 541] rt_sigprocmask(SIG_SETMASK, [], [pid 540] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 542] <... openat resumed>) = 3 [pid 541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 540] close(5 [pid 542] write(3, "1000", 4 [pid 541] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] <... close resumed>) = 0 ./strace-static-x86_64: Process 543 attached [pid 542] <... write resumed>) = 4 [pid 541] <... futex resumed>) = 0 [pid 540] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 543] set_robust_list(0x7f41e0a639a0, 24 [pid 542] close(3 [pid 541] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 543] <... set_robust_list resumed>) = 0 [pid 542] <... close resumed>) = 0 [pid 540] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 543] rt_sigprocmask(SIG_SETMASK, [], [pid 542] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 540] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 542] <... futex resumed>) = 0 [pid 540] <... futex resumed>) = 1 [pid 538] <... futex resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 543] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 542] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 540] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 538] exit_group(0 [pid 308] <... ioctl resumed>) = 0 [pid 543] <... openat resumed>) = 3 [pid 542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 540] <... futex resumed>) = ? [pid 538] <... exit_group resumed>) = ? [pid 308] close(3 [pid 543] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 540] +++ exited with 0 +++ [pid 543] <... futex resumed>) = 1 [pid 541] <... futex resumed>) = 0 [pid 543] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 541] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 541] <... futex resumed>) = 0 [pid 543] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 541] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 538] +++ exited with 0 +++ [pid 543] <... write resumed>) = 4096 [pid 542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 543] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 543] <... futex resumed>) = 1 [pid 542] <... mmap resumed>) = 0x7f41e0a43000 [pid 541] <... futex resumed>) = 0 [pid 541] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 543] memfd_create("syzkaller", 0 [pid 542] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 541] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 544 [pid 543] <... memfd_create resumed>) = 4 [pid 542] <... mprotect resumed>) = 0 [pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 544 attached [pid 543] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 544] set_robust_list(0x55555610b6a0, 24 [pid 542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 307] ioctl(3, LOOP_CLR_FD) = 0 [pid 542] <... clone3 resumed> => {parent_tid=[546]}, 88) = 546 [pid 307] close(3 [pid 542] rt_sigprocmask(SIG_SETMASK, [], [pid 307] <... close resumed>) = 0 [pid 544] <... set_robust_list resumed>) = 0 [pid 542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 542] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 543] <... write resumed>) = 262144 [pid 542] <... futex resumed>) = 0 [pid 544] <... prctl resumed>) = 0 [pid 543] munmap(0x7f41d8643000, 138412032 [pid 542] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 546 attached [pid 544] setpgid(0, 0 [pid 543] <... munmap resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 547 [pid 546] set_robust_list(0x7f41e0a639a0, 24 [pid 544] <... setpgid resumed>) = 0 [pid 543] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 543] <... openat resumed>) = 5 [pid 546] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 547 attached [pid 546] rt_sigprocmask(SIG_SETMASK, [], [pid 544] <... openat resumed>) = 3 [pid 543] ioctl(5, LOOP_SET_FD, 4 [pid 547] set_robust_list(0x55555610b6a0, 24 [pid 546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 544] write(3, "1000", 4 [pid 543] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 547] <... set_robust_list resumed>) = 0 [pid 546] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 544] <... write resumed>) = 4 [pid 543] ioctl(5, LOOP_CLR_FD [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 546] <... openat resumed>) = 3 [pid 544] close(3 [pid 543] <... ioctl resumed>) = 0 [pid 547] <... prctl resumed>) = 0 [pid 546] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 544] <... close resumed>) = 0 [pid 547] setpgid(0, 0 [pid 546] <... futex resumed>) = 1 [pid 544] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] <... futex resumed>) = 0 [pid 547] <... setpgid resumed>) = 0 [pid 546] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 544] <... futex resumed>) = 0 [pid 542] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 544] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 543] ioctl(5, LOOP_SET_FD, 4 [pid 542] <... futex resumed>) = 0 [pid 547] <... openat resumed>) = 3 [pid 546] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 544] <... rt_sigaction resumed>NULL, 8) = 0 [pid 543] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 542] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 547] write(3, "1000", 4 [pid 544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 543] close(5 [pid 546] <... write resumed>) = 4096 [pid 547] <... write resumed>) = 4 [pid 546] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 543] <... close resumed>) = 0 [pid 547] close(3 [pid 546] <... futex resumed>) = 1 [pid 544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 543] close(4 [pid 542] <... futex resumed>) = 0 [pid 547] <... close resumed>) = 0 [pid 546] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 544] <... mmap resumed>) = 0x7f41e0a43000 [pid 547] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 547] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 543] <... close resumed>) = 0 [pid 542] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 544] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 543] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 542] <... futex resumed>) = 0 [pid 547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 546] memfd_create("syzkaller", 0 [pid 544] <... mprotect resumed>) = 0 [pid 543] <... futex resumed>) = 1 [pid 542] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 541] <... futex resumed>) = 0 [pid 547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 546] <... memfd_create resumed>) = 4 [pid 544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 543] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 541] exit_group(0 [pid 547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 543] <... futex resumed>) = ? [pid 541] <... exit_group resumed>) = ? [pid 547] <... mmap resumed>) = 0x7f41e0a43000 [pid 546] <... mmap resumed>) = 0x7f41d8643000 [pid 544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 543] +++ exited with 0 +++ [pid 541] +++ exited with 0 +++ [pid 547] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 546] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 544] <... clone3 resumed> => {parent_tid=[548]}, 88) = 548 [pid 547] <... clone3 resumed> => {parent_tid=[549]}, 88) = 549 [pid 544] rt_sigprocmask(SIG_SETMASK, [], [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 547] rt_sigprocmask(SIG_SETMASK, [], [pid 544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 ./strace-static-x86_64: Process 548 attached [pid 547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 546] <... write resumed>) = 262144 [pid 544] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(3, LOOP_CLR_FD [pid 548] set_robust_list(0x7f41e0a639a0, 24 [pid 547] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] munmap(0x7f41d8643000, 138412032 [pid 544] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 548] <... set_robust_list resumed>) = 0 [pid 547] <... futex resumed>) = 0 [pid 309] close(3./strace-static-x86_64: Process 549 attached [pid 548] rt_sigprocmask(SIG_SETMASK, [], [pid 547] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 546] <... munmap resumed>) = 0 [pid 544] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... close resumed>) = 0 [pid 549] set_robust_list(0x7f41e0a639a0, 24 [pid 548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 546] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 549] <... set_robust_list resumed>) = 0 [pid 548] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 546] <... openat resumed>) = 5 [pid 549] rt_sigprocmask(SIG_SETMASK, [], [pid 548] <... openat resumed>) = 3 [pid 546] ioctl(5, LOOP_SET_FD, 4 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 550 [pid 549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 548] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 546] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 549] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 548] <... futex resumed>) = 1 [pid 546] ioctl(5, LOOP_CLR_FD [pid 544] <... futex resumed>) = 0 [pid 549] <... openat resumed>) = 3 [pid 548] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] <... ioctl resumed>) = 0 [pid 544] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 550 attached [pid 549] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 544] <... futex resumed>) = 0 [pid 549] <... futex resumed>) = 1 [pid 547] <... futex resumed>) = 0 [pid 548] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 550] set_robust_list(0x55555610b6a0, 24 [pid 549] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 547] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 544] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] <... write resumed>) = 4096 [pid 550] <... set_robust_list resumed>) = 0 [pid 549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 548] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 547] <... futex resumed>) = 0 [pid 546] ioctl(5, LOOP_SET_FD, 4 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 549] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 548] <... futex resumed>) = 1 [pid 547] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 546] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 544] <... futex resumed>) = 0 [pid 550] <... prctl resumed>) = 0 [pid 549] <... write resumed>) = 4096 [pid 548] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 546] close(5 [pid 544] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 550] setpgid(0, 0 [pid 549] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 546] <... close resumed>) = 0 [pid 544] <... futex resumed>) = 0 [pid 550] <... setpgid resumed>) = 0 [pid 549] <... futex resumed>) = 1 [pid 548] memfd_create("syzkaller", 0 [pid 547] <... futex resumed>) = 0 [pid 546] close(4 [pid 544] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 549] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] <... memfd_create resumed>) = 4 [pid 547] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 547] <... futex resumed>) = 0 [pid 549] memfd_create("syzkaller", 0 [pid 547] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 549] <... memfd_create resumed>) = 4 [pid 549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 546] <... close resumed>) = 0 [pid 550] <... openat resumed>) = 3 [pid 549] <... mmap resumed>) = 0x7f41d8643000 [pid 550] write(3, "1000", 4 [pid 549] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 548] <... mmap resumed>) = 0x7f41d8643000 [pid 546] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 550] <... write resumed>) = 4 [pid 549] <... write resumed>) = 262144 [pid 549] munmap(0x7f41d8643000, 138412032) = 0 [pid 549] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 550] close(3 [pid 549] <... openat resumed>) = 5 [pid 546] <... futex resumed>) = 1 [pid 542] <... futex resumed>) = 0 [pid 550] <... close resumed>) = 0 [pid 549] ioctl(5, LOOP_SET_FD, 4 [pid 548] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 546] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 542] exit_group(0 [pid 550] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 549] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 549] ioctl(5, LOOP_CLR_FD) = 0 [pid 548] <... write resumed>) = 262144 [pid 542] <... exit_group resumed>) = ? [pid 546] <... futex resumed>) = ? [pid 550] <... futex resumed>) = 0 [pid 549] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 549] close(5 [pid 550] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 549] <... close resumed>) = 0 [pid 548] munmap(0x7f41d8643000, 138412032 [pid 546] +++ exited with 0 +++ [pid 542] +++ exited with 0 +++ [pid 550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 549] close(4 [pid 548] <... munmap resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 548] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 549] <... close resumed>) = 0 [pid 548] <... openat resumed>) = 5 [pid 550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 549] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] ioctl(5, LOOP_SET_FD, 4 [pid 550] <... mmap resumed>) = 0x7f41e0a43000 [pid 549] <... futex resumed>) = 1 [pid 548] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 547] <... futex resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 550] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 549] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 548] ioctl(5, LOOP_CLR_FD [pid 547] exit_group(0 [pid 306] <... openat resumed>) = 3 [pid 550] <... mprotect resumed>) = 0 [pid 549] <... futex resumed>) = ? [pid 548] <... ioctl resumed>) = 0 [pid 547] <... exit_group resumed>) = ? [pid 306] ioctl(3, LOOP_CLR_FD [pid 550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 549] +++ exited with 0 +++ [pid 547] +++ exited with 0 +++ [pid 306] <... ioctl resumed>) = 0 [pid 550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 548] ioctl(5, LOOP_SET_FD, 4 [pid 550] <... clone3 resumed> => {parent_tid=[551]}, 88) = 551 [pid 548] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 552 [pid 550] rt_sigprocmask(SIG_SETMASK, [], [pid 548] close(5 [pid 307] <... openat resumed>) = 3 [pid 550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 548] <... close resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 550] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 548] close(4 [pid 307] <... ioctl resumed>) = 0 [pid 550] <... futex resumed>) = 0 ./strace-static-x86_64: Process 552 attached [pid 552] set_robust_list(0x55555610b6a0, 24 [pid 548] <... close resumed>) = 0 [pid 314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 307] close(3 [pid 550] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 548] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 544] <... futex resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 548] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 544] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 552] <... set_robust_list resumed>) = 0 [pid 548] <... futex resumed>) = ? [pid 544] <... exit_group resumed>) = ? [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 553 [pid 552] <... setpgid resumed>) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] +++ exited with 0 +++ [pid 544] +++ exited with 0 +++ [pid 552] write(3, "1000", 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 552] <... write resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 553 attached [pid 552] close(3 [pid 308] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 551 attached [pid 553] set_robust_list(0x55555610b6a0, 24 [pid 552] <... close resumed>) = 0 [pid 553] <... set_robust_list resumed>) = 0 [pid 552] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] set_robust_list(0x7f41e0a639a0, 24 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 552] <... futex resumed>) = 0 [pid 551] <... set_robust_list resumed>) = 0 [pid 553] <... prctl resumed>) = 0 [pid 552] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 551] rt_sigprocmask(SIG_SETMASK, [], [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 553] setpgid(0, 0 [pid 552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 553] <... setpgid resumed>) = 0 [pid 552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 551] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 308] ioctl(3, LOOP_CLR_FD [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] <... openat resumed>) = 3 [pid 308] <... ioctl resumed>) = 0 [pid 553] <... openat resumed>) = 3 [pid 552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] close(3 [pid 553] write(3, "1000", 4 [pid 552] <... mmap resumed>) = 0x7f41e0a43000 [pid 551] <... futex resumed>) = 1 [pid 550] <... futex resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 553] <... write resumed>) = 4 [pid 552] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 551] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 553] close(3 [pid 552] <... mprotect resumed>) = 0 [pid 551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 550] <... futex resumed>) = 0 [pid 553] <... close resumed>) = 0 [pid 552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 550] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 553] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 551] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 554 [pid 553] <... futex resumed>) = 0 [pid 552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 553] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 551] <... write resumed>) = 4096 ./strace-static-x86_64: Process 554 attached [pid 553] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] <... clone3 resumed> => {parent_tid=[555]}, 88) = 555 [pid 551] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] set_robust_list(0x55555610b6a0, 24 [pid 553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 552] rt_sigprocmask(SIG_SETMASK, [], [pid 551] <... futex resumed>) = 1 [pid 550] <... futex resumed>) = 0 [pid 554] <... set_robust_list resumed>) = 0 [pid 553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 552] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 550] <... futex resumed>) = 0 [pid 554] <... prctl resumed>) = 0 [pid 553] <... mmap resumed>) = 0x7f41e0a43000 [pid 552] <... futex resumed>) = 0 [pid 551] memfd_create("syzkaller", 0 [pid 550] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 554] setpgid(0, 0 [pid 553] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 552] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... memfd_create resumed>) = 4 ./strace-static-x86_64: Process 555 attached [pid 554] <... setpgid resumed>) = 0 [pid 553] <... mprotect resumed>) = 0 [pid 551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 555] set_robust_list(0x7f41e0a639a0, 24 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 551] <... mmap resumed>) = 0x7f41d8643000 [pid 555] <... set_robust_list resumed>) = 0 [pid 554] <... openat resumed>) = 3 [pid 553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 555] rt_sigprocmask(SIG_SETMASK, [], [pid 553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 553] <... clone3 resumed> => {parent_tid=[556]}, 88) = 556 [pid 555] <... openat resumed>) = 3 [pid 553] rt_sigprocmask(SIG_SETMASK, [], [pid 555] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] <... futex resumed>) = 1 [pid 553] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 555] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] <... futex resumed>) = 0 [pid 552] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] write(3, "1000", 4 [pid 553] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 552] <... futex resumed>) = 0 [pid 551] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 555] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 554] <... write resumed>) = 4 [pid 552] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 555] <... write resumed>) = 4096 [pid 554] close(3./strace-static-x86_64: Process 556 attached [pid 555] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] <... close resumed>) = 0 [pid 556] set_robust_list(0x7f41e0a639a0, 24 [pid 555] <... futex resumed>) = 1 [pid 554] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... futex resumed>) = 0 [pid 556] <... set_robust_list resumed>) = 0 [pid 555] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... futex resumed>) = 0 [pid 552] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... write resumed>) = 262144 [pid 556] rt_sigprocmask(SIG_SETMASK, [], [pid 555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 554] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 552] <... futex resumed>) = 0 [pid 551] munmap(0x7f41d8643000, 138412032 [pid 556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 555] memfd_create("syzkaller", 0 [pid 554] <... rt_sigaction resumed>NULL, 8) = 0 [pid 552] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 556] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 555] <... memfd_create resumed>) = 4 [pid 554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 551] <... munmap resumed>) = 0 [pid 556] <... openat resumed>) = 3 [pid 555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 556] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... mmap resumed>) = 0x7f41d8643000 [pid 554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 551] <... openat resumed>) = 5 [pid 556] <... futex resumed>) = 1 [pid 555] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 554] <... mmap resumed>) = 0x7f41e0a43000 [pid 553] <... futex resumed>) = 0 [pid 551] ioctl(5, LOOP_SET_FD, 4 [pid 556] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] <... write resumed>) = 262144 [pid 554] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 553] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] munmap(0x7f41d8643000, 138412032 [pid 554] <... mprotect resumed>) = 0 [pid 553] <... futex resumed>) = 0 [pid 551] ioctl(5, LOOP_CLR_FD [pid 556] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 555] <... munmap resumed>) = 0 [pid 554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 553] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 551] <... ioctl resumed>) = 0 [pid 556] <... write resumed>) = 4096 [pid 555] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 556] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 555] <... openat resumed>) = 5 [pid 554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 556] <... futex resumed>) = 1 [pid 555] ioctl(5, LOOP_SET_FD, 4 [pid 553] <... futex resumed>) = 0 [pid 556] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 555] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 554] <... clone3 resumed> => {parent_tid=[557]}, 88) = 557 [pid 553] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] ioctl(5, LOOP_SET_FD, 4 [pid 556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] ioctl(5, LOOP_CLR_FD [pid 554] rt_sigprocmask(SIG_SETMASK, [], [pid 553] <... futex resumed>) = 0 [pid 551] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 557 attached [pid 556] memfd_create("syzkaller", 0 [pid 555] <... ioctl resumed>) = 0 [pid 554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 553] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 551] close(5 [pid 557] set_robust_list(0x7f41e0a639a0, 24 [pid 556] <... memfd_create resumed>) = 4 [pid 554] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 551] <... close resumed>) = 0 [pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 554] <... futex resumed>) = 0 [pid 551] close(4 [pid 556] <... mmap resumed>) = 0x7f41d8643000 [pid 554] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 557] <... set_robust_list resumed>) = 0 [pid 556] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 555] ioctl(5, LOOP_SET_FD, 4 [pid 551] <... close resumed>) = 0 [pid 557] rt_sigprocmask(SIG_SETMASK, [], [pid 556] <... write resumed>) = 262144 [pid 555] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 551] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 556] munmap(0x7f41d8643000, 138412032 [pid 555] close(5 [pid 551] <... futex resumed>) = 1 [pid 550] <... futex resumed>) = 0 [pid 557] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 556] <... munmap resumed>) = 0 [pid 555] <... close resumed>) = 0 [pid 551] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 550] exit_group(0 [pid 557] <... openat resumed>) = 3 [pid 556] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 555] close(4 [pid 551] <... futex resumed>) = ? [pid 550] <... exit_group resumed>) = ? [pid 557] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... openat resumed>) = 5 [pid 555] <... close resumed>) = 0 [pid 551] +++ exited with 0 +++ [pid 556] ioctl(5, LOOP_SET_FD, 4 [pid 555] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 555] <... futex resumed>) = 1 [pid 552] <... futex resumed>) = 0 [pid 557] <... futex resumed>) = 1 [pid 556] ioctl(5, LOOP_CLR_FD [pid 555] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] <... futex resumed>) = 0 [pid 552] exit_group(0 [pid 550] +++ exited with 0 +++ [pid 557] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 556] <... ioctl resumed>) = 0 [pid 555] <... futex resumed>) = ? [pid 554] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 552] <... exit_group resumed>) = ? [pid 557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 555] +++ exited with 0 +++ [pid 554] <... futex resumed>) = 0 [pid 552] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 557] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 554] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 557] <... write resumed>) = 4096 [pid 556] ioctl(5, LOOP_SET_FD, 4 [pid 309] <... openat resumed>) = 3 [pid 557] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 556] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] ioctl(3, LOOP_CLR_FD [pid 557] <... futex resumed>) = 1 [pid 556] close(5 [pid 554] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 557] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 556] <... close resumed>) = 0 [pid 554] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(3 [pid 306] <... openat resumed>) = 3 [pid 557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 556] close(4 [pid 554] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 557] memfd_create("syzkaller", 0 [pid 556] <... close resumed>) = 0 [pid 554] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... ioctl resumed>) = 0 [pid 557] <... memfd_create resumed>) = 4 [pid 556] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] close(3 [pid 557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 556] <... futex resumed>) = 1 [pid 553] <... futex resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 558 [pid 306] <... close resumed>) = 0 [pid 557] <... mmap resumed>) = 0x7f41d8643000 [pid 556] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 553] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 556] <... futex resumed>) = ? [pid 553] <... exit_group resumed>) = ? [pid 557] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 556] +++ exited with 0 +++ [pid 553] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 559 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 558 attached [pid 557] <... write resumed>) = 262144 [pid 307] <... openat resumed>) = 3 [pid 558] set_robust_list(0x55555610b6a0, 24 [pid 557] munmap(0x7f41d8643000, 138412032 [pid 307] ioctl(3, LOOP_CLR_FD [pid 558] <... set_robust_list resumed>) = 0 [pid 557] <... munmap resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 557] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 307] close(3 [pid 558] <... prctl resumed>) = 0 [pid 557] <... openat resumed>) = 5 [pid 307] <... close resumed>) = 0 [pid 558] setpgid(0, 0 [pid 557] ioctl(5, LOOP_SET_FD, 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 558] <... setpgid resumed>) = 0 [pid 557] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] ioctl(5, LOOP_CLR_FD [pid 558] write(3, "1000", 4 [pid 557] <... ioctl resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 560 [pid 558] <... write resumed>) = 4 ./strace-static-x86_64: Process 559 attached [pid 558] close(3) = 0 [pid 559] set_robust_list(0x55555610b6a0, 24 [pid 558] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 560 attached [pid 559] <... set_robust_list resumed>) = 0 [pid 558] <... futex resumed>) = 0 [pid 560] set_robust_list(0x55555610b6a0, 24 [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 558] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 557] ioctl(5, LOOP_SET_FD, 4 [pid 560] <... set_robust_list resumed>) = 0 [pid 559] <... prctl resumed>) = 0 [pid 558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 557] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 559] setpgid(0, 0 [pid 558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 557] close(5 [pid 560] <... prctl resumed>) = 0 [pid 559] <... setpgid resumed>) = 0 [pid 558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 557] <... close resumed>) = 0 [pid 560] setpgid(0, 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 557] close(4 [pid 560] <... setpgid resumed>) = 0 [pid 559] <... openat resumed>) = 3 [pid 558] <... mmap resumed>) = 0x7f41e0a43000 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 558] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 560] <... openat resumed>) = 3 [pid 559] write(3, "1000", 4 [pid 558] <... mprotect resumed>) = 0 [pid 557] <... close resumed>) = 0 [pid 560] write(3, "1000", 4 [pid 559] <... write resumed>) = 4 [pid 558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 557] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] <... write resumed>) = 4 [pid 559] close(3 [pid 558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 557] <... futex resumed>) = 1 [pid 554] <... futex resumed>) = 0 [pid 560] close(3 [pid 559] <... close resumed>) = 0 [pid 558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 557] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 554] exit_group(0 [pid 560] <... close resumed>) = 0 [pid 559] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 557] <... futex resumed>) = ? [pid 554] <... exit_group resumed>) = ? [pid 560] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 558] <... clone3 resumed> => {parent_tid=[561]}, 88) = 561 [pid 557] +++ exited with 0 +++ [pid 560] <... futex resumed>) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [], [pid 560] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 560] <... rt_sigaction resumed>NULL, 8) = 0 [pid 558] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 554] +++ exited with 0 +++ [pid 560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 559] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 558] <... futex resumed>) = 0 [pid 560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 559] <... rt_sigaction resumed>NULL, 8) = 0 [pid 558] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 560] <... mmap resumed>) = 0x7f41e0a43000 [pid 559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 560] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 561 attached [pid 560] <... mprotect resumed>) = 0 [pid 559] <... mmap resumed>) = 0x7f41e0a43000 [pid 561] set_robust_list(0x7f41e0a639a0, 24 [pid 560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 559] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 561] <... set_robust_list resumed>) = 0 [pid 560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 559] <... mprotect resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 561] rt_sigprocmask(SIG_SETMASK, [], [pid 560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] <... openat resumed>) = 3 [pid 561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 561] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 560] <... clone3 resumed> => {parent_tid=[562]}, 88) = 562 [pid 559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 308] <... ioctl resumed>) = 0 [pid 561] <... openat resumed>) = 3 [pid 560] rt_sigprocmask(SIG_SETMASK, [], [pid 308] close(3 [pid 561] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 559] <... clone3 resumed> => {parent_tid=[563]}, 88) = 563 [pid 308] <... close resumed>) = 0 [pid 561] <... futex resumed>) = 1 [pid 560] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] rt_sigprocmask(SIG_SETMASK, [], [pid 558] <... futex resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 561] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] <... futex resumed>) = 0 [pid 559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 558] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 560] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 558] <... futex resumed>) = 0 [pid 561] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 559] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 558] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 564 ./strace-static-x86_64: Process 562 attached [pid 561] <... write resumed>) = 4096 [pid 559] <... futex resumed>) = 0 ./strace-static-x86_64: Process 563 attached [pid 562] set_robust_list(0x7f41e0a639a0, 24 [pid 561] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 564 attached [pid 563] set_robust_list(0x7f41e0a639a0, 24 [pid 562] <... set_robust_list resumed>) = 0 [pid 561] <... futex resumed>) = 1 [pid 558] <... futex resumed>) = 0 [pid 564] set_robust_list(0x55555610b6a0, 24 [pid 563] <... set_robust_list resumed>) = 0 [pid 562] rt_sigprocmask(SIG_SETMASK, [], [pid 561] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... set_robust_list resumed>) = 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [], [pid 562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 558] <... futex resumed>) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 562] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 561] memfd_create("syzkaller", 0 [pid 558] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 564] <... prctl resumed>) = 0 [pid 563] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 562] <... openat resumed>) = 3 [pid 561] <... memfd_create resumed>) = 4 [pid 564] setpgid(0, 0 [pid 563] <... openat resumed>) = 3 [pid 562] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 564] <... setpgid resumed>) = 0 [pid 563] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... futex resumed>) = 1 [pid 561] <... mmap resumed>) = 0x7f41d8643000 [pid 560] <... futex resumed>) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 563] <... futex resumed>) = 1 [pid 562] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 560] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 564] <... openat resumed>) = 3 [pid 563] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 561] <... write resumed>) = 262144 [pid 560] <... futex resumed>) = 0 [pid 559] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] write(3, "1000", 4 [pid 563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 562] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 561] munmap(0x7f41d8643000, 138412032 [pid 560] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 559] <... futex resumed>) = 0 [pid 564] <... write resumed>) = 4 [pid 563] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 562] <... write resumed>) = 4096 [pid 561] <... munmap resumed>) = 0 [pid 559] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 564] close(3 [pid 563] <... write resumed>) = 4096 [pid 562] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 564] <... close resumed>) = 0 [pid 563] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... futex resumed>) = 1 [pid 561] <... openat resumed>) = 5 [pid 560] <... futex resumed>) = 0 [pid 564] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] <... futex resumed>) = 1 [pid 562] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 561] ioctl(5, LOOP_SET_FD, 4 [pid 560] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] <... futex resumed>) = 0 [pid 564] <... futex resumed>) = 0 [pid 563] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 560] <... futex resumed>) = 0 [pid 559] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 562] memfd_create("syzkaller", 0 [pid 561] ioctl(5, LOOP_CLR_FD [pid 560] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 559] <... futex resumed>) = 0 [pid 564] <... rt_sigaction resumed>NULL, 8) = 0 [pid 563] memfd_create("syzkaller", 0 [pid 562] <... memfd_create resumed>) = 4 [pid 561] <... ioctl resumed>) = 0 [pid 559] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 563] <... memfd_create resumed>) = 4 [pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 562] <... mmap resumed>) = 0x7f41d8643000 [pid 564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 563] <... mmap resumed>) = 0x7f41d8643000 [pid 564] <... mmap resumed>) = 0x7f41e0a43000 [pid 561] ioctl(5, LOOP_SET_FD, 4 [pid 564] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 564] <... mprotect resumed>) = 0 [pid 561] close(5 [pid 564] rt_sigprocmask(SIG_BLOCK, ~[], [pid 561] <... close resumed>) = 0 [pid 564] <... rt_sigprocmask resumed>[], 8) = 0 [pid 561] close(4 [pid 564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 561] <... close resumed>) = 0 [pid 561] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 564] <... clone3 resumed> => {parent_tid=[565]}, 88) = 565 [pid 561] <... futex resumed>) = 1 [pid 558] <... futex resumed>) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [], [pid 561] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 558] exit_group(0 [pid 564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 561] <... futex resumed>) = ? [pid 558] <... exit_group resumed>) = ? [pid 564] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 561] +++ exited with 0 +++ [pid 558] +++ exited with 0 +++ [pid 564] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 564] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 562] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 563] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 565 attached [pid 565] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 563] <... write resumed>) = 262144 [pid 309] <... openat resumed>) = 3 [pid 565] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 563] munmap(0x7f41d8643000, 138412032 [pid 562] <... write resumed>) = 262144 [pid 309] ioctl(3, LOOP_CLR_FD [pid 565] <... openat resumed>) = 3 [pid 563] <... munmap resumed>) = 0 [pid 562] munmap(0x7f41d8643000, 138412032 [pid 309] <... ioctl resumed>) = 0 [pid 565] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 562] <... munmap resumed>) = 0 [pid 309] close(3 [pid 565] <... futex resumed>) = 1 [pid 564] <... futex resumed>) = 0 [pid 563] <... openat resumed>) = 5 [pid 562] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 309] <... close resumed>) = 0 [pid 565] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 563] ioctl(5, LOOP_SET_FD, 4 [pid 562] <... openat resumed>) = 5 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 564] <... futex resumed>) = 0 [pid 563] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 562] ioctl(5, LOOP_SET_FD, 4 [pid 565] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 564] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 563] ioctl(5, LOOP_CLR_FD [pid 562] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 566 [pid 565] <... write resumed>) = 4096 [pid 563] <... ioctl resumed>) = 0 [pid 562] ioctl(5, LOOP_CLR_FD./strace-static-x86_64: Process 566 attached [pid 565] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] <... ioctl resumed>) = 0 [pid 566] set_robust_list(0x55555610b6a0, 24 [pid 565] <... futex resumed>) = 1 [pid 564] <... futex resumed>) = 0 [pid 565] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... set_robust_list resumed>) = 0 [pid 565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 564] <... futex resumed>) = 0 [pid 565] memfd_create("syzkaller", 0 [pid 564] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 563] ioctl(5, LOOP_SET_FD, 4 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 565] <... memfd_create resumed>) = 4 [pid 563] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 562] ioctl(5, LOOP_SET_FD, 4 [pid 566] <... prctl resumed>) = 0 [pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 563] close(5 [pid 562] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 566] setpgid(0, 0 [pid 565] <... mmap resumed>) = 0x7f41d8643000 [pid 563] <... close resumed>) = 0 [pid 562] close(5 [pid 565] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 563] close(4 [pid 562] <... close resumed>) = 0 [pid 566] <... setpgid resumed>) = 0 [pid 565] <... write resumed>) = 262144 [pid 565] munmap(0x7f41d8643000, 138412032) = 0 [pid 565] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5 [pid 562] close(4 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 565] ioctl(5, LOOP_SET_FD, 4 [pid 563] <... close resumed>) = 0 [pid 562] <... close resumed>) = 0 [pid 565] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 565] ioctl(5, LOOP_CLR_FD) = 0 [pid 566] <... openat resumed>) = 3 [pid 563] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 562] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] write(3, "1000", 4 [pid 565] ioctl(5, LOOP_SET_FD, 4 [pid 563] <... futex resumed>) = 1 [pid 562] <... futex resumed>) = 1 [pid 560] <... futex resumed>) = 0 [pid 559] <... futex resumed>) = 0 [pid 566] <... write resumed>) = 4 [pid 565] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 563] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 562] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 560] exit_group(0 [pid 559] exit_group(0 [pid 566] close(3 [pid 565] close(5 [pid 563] <... futex resumed>) = ? [pid 562] <... futex resumed>) = ? [pid 560] <... exit_group resumed>) = ? [pid 559] <... exit_group resumed>) = ? [pid 566] <... close resumed>) = 0 [pid 565] <... close resumed>) = 0 [pid 563] +++ exited with 0 +++ [pid 562] +++ exited with 0 +++ [pid 565] close(4) = 0 [pid 560] +++ exited with 0 +++ [pid 565] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 559] +++ exited with 0 +++ [pid 566] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 565] <... futex resumed>) = 1 [pid 564] <... futex resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 566] <... futex resumed>) = 0 [pid 565] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 564] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 566] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 565] <... futex resumed>) = ? [pid 564] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 566] <... rt_sigaction resumed>NULL, 8) = 0 [pid 565] +++ exited with 0 +++ [pid 564] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 307] <... ioctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 566] <... mmap resumed>) = 0x7f41e0a43000 [pid 307] close(3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 566] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 307] <... close resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 566] <... mprotect resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 306] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 308] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 568 [pid 308] ioctl(3, LOOP_CLR_FD [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 567 [pid 566] <... clone3 resumed> => {parent_tid=[569]}, 88) = 569 [pid 308] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 567 attached [pid 566] rt_sigprocmask(SIG_SETMASK, [], [pid 308] close(3 [pid 567] set_robust_list(0x55555610b6a0, 24 [pid 566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 567] <... set_robust_list resumed>) = 0 [pid 566] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 566] <... futex resumed>) = 0 ./strace-static-x86_64: Process 568 attached [pid 568] set_robust_list(0x55555610b6a0, 24 [pid 567] <... prctl resumed>) = 0 [pid 566] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 569 attached [pid 568] <... set_robust_list resumed>) = 0 [pid 567] setpgid(0, 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 570 [pid 569] set_robust_list(0x7f41e0a639a0, 24 [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 567] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 570 attached [pid 569] <... set_robust_list resumed>) = 0 [pid 568] <... prctl resumed>) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 570] set_robust_list(0x55555610b6a0, 24 [pid 569] rt_sigprocmask(SIG_SETMASK, [], [pid 568] setpgid(0, 0 [pid 567] <... openat resumed>) = 3 [pid 570] <... set_robust_list resumed>) = 0 [pid 569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 568] <... setpgid resumed>) = 0 [pid 567] write(3, "1000", 4 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 569] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 567] <... write resumed>) = 4 [pid 570] <... prctl resumed>) = 0 [pid 569] <... openat resumed>) = 3 [pid 568] <... openat resumed>) = 3 [pid 567] close(3 [pid 570] setpgid(0, 0 [pid 569] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] write(3, "1000", 4 [pid 567] <... close resumed>) = 0 [pid 570] <... setpgid resumed>) = 0 [pid 569] <... futex resumed>) = 1 [pid 568] <... write resumed>) = 4 [pid 567] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 566] <... futex resumed>) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 569] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] close(3 [pid 567] <... futex resumed>) = 0 [pid 566] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... openat resumed>) = 3 [pid 569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 568] <... close resumed>) = 0 [pid 567] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 566] <... futex resumed>) = 0 [pid 570] write(3, "1000", 4 [pid 569] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 568] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 566] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 570] <... write resumed>) = 4 [pid 569] <... write resumed>) = 4096 [pid 568] <... futex resumed>) = 0 [pid 567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 570] close(3 [pid 569] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 570] <... close resumed>) = 0 [pid 569] <... futex resumed>) = 1 [pid 568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 566] <... futex resumed>) = 0 [pid 570] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 567] <... mmap resumed>) = 0x7f41e0a43000 [pid 566] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 567] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 566] <... futex resumed>) = 0 [pid 570] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 569] memfd_create("syzkaller", 0 [pid 568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 567] <... mprotect resumed>) = 0 [pid 566] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 569] <... memfd_create resumed>) = 4 [pid 568] <... mmap resumed>) = 0x7f41e0a43000 [pid 567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 568] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 569] <... mmap resumed>) = 0x7f41d8643000 [pid 568] <... mprotect resumed>) = 0 [pid 567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 570] <... mmap resumed>) = 0x7f41e0a43000 [pid 569] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 570] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[572]}, 88) = 572 [pid 568] rt_sigprocmask(SIG_SETMASK, [], [pid 569] <... write resumed>) = 262144 [pid 568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 567] <... clone3 resumed> => {parent_tid=[571]}, 88) = 571 [pid 570] <... mprotect resumed>) = 0 [pid 570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 569] munmap(0x7f41d8643000, 138412032 [pid 568] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 571 attached [pid 570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 569] <... munmap resumed>) = 0 [pid 568] <... futex resumed>) = 0 [pid 567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 571] set_robust_list(0x7f41e0a639a0, 24 [pid 570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 569] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 568] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 567] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 572 attached [pid 571] <... set_robust_list resumed>) = 0 [pid 569] <... openat resumed>) = 5 [pid 567] <... futex resumed>) = 0 [pid 572] set_robust_list(0x7f41e0a639a0, 24 [pid 571] rt_sigprocmask(SIG_SETMASK, [], [pid 570] <... clone3 resumed> => {parent_tid=[573]}, 88) = 573 [pid 569] ioctl(5, LOOP_SET_FD, 4 [pid 567] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 572] <... set_robust_list resumed>) = 0 [pid 571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 570] rt_sigprocmask(SIG_SETMASK, [], [pid 569] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 572] rt_sigprocmask(SIG_SETMASK, [], [pid 571] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 569] ioctl(5, LOOP_CLR_FD./strace-static-x86_64: Process 573 attached [pid 572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 571] <... openat resumed>) = 3 [pid 570] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... ioctl resumed>) = 0 [pid 573] set_robust_list(0x7f41e0a639a0, 24 [pid 572] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 571] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] <... futex resumed>) = 0 [pid 573] <... set_robust_list resumed>) = 0 [pid 572] <... openat resumed>) = 3 [pid 571] <... futex resumed>) = 1 [pid 570] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 567] <... futex resumed>) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [], [pid 572] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 572] <... futex resumed>) = 1 [pid 571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 569] ioctl(5, LOOP_SET_FD, 4 [pid 568] <... futex resumed>) = 0 [pid 567] <... futex resumed>) = 0 [pid 573] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 572] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 571] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 569] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 568] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 573] <... openat resumed>) = 3 [pid 572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 571] <... write resumed>) = 4096 [pid 569] close(5 [pid 568] <... futex resumed>) = 0 [pid 573] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 571] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] <... close resumed>) = 0 [pid 568] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 573] <... futex resumed>) = 1 [pid 572] <... write resumed>) = 4096 [pid 571] <... futex resumed>) = 1 [pid 570] <... futex resumed>) = 0 [pid 569] close(4 [pid 567] <... futex resumed>) = 0 [pid 573] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 570] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 567] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 567] <... futex resumed>) = 0 [pid 573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 572] <... futex resumed>) = 1 [pid 571] memfd_create("syzkaller", 0 [pid 570] <... futex resumed>) = 0 [pid 569] <... close resumed>) = 0 [pid 568] <... futex resumed>) = 0 [pid 567] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 573] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 572] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 571] <... memfd_create resumed>) = 4 [pid 570] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 569] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 568] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 568] <... futex resumed>) = 0 [pid 571] <... mmap resumed>) = 0x7f41d8643000 [pid 568] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 571] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 573] <... write resumed>) = 4096 [pid 572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 571] <... write resumed>) = 262144 [pid 569] <... futex resumed>) = 1 [pid 566] <... futex resumed>) = 0 [pid 573] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] memfd_create("syzkaller", 0 [pid 571] munmap(0x7f41d8643000, 138412032 [pid 569] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 566] exit_group(0 [pid 573] <... futex resumed>) = 1 [pid 572] <... memfd_create resumed>) = 4 [pid 571] <... munmap resumed>) = 0 [pid 570] <... futex resumed>) = 0 [pid 569] <... futex resumed>) = ? [pid 566] <... exit_group resumed>) = ? [pid 573] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 571] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 570] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 569] +++ exited with 0 +++ [pid 571] <... openat resumed>) = 5 [pid 566] +++ exited with 0 +++ [pid 573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 572] <... mmap resumed>) = 0x7f41d8643000 [pid 571] ioctl(5, LOOP_SET_FD, 4 [pid 570] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 573] memfd_create("syzkaller", 0 [pid 571] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 571] ioctl(5, LOOP_CLR_FD [pid 309] <... restart_syscall resumed>) = 0 [pid 571] <... ioctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 572] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 570] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] ioctl(3, LOOP_CLR_FD [pid 573] <... memfd_create resumed>) = 4 [pid 309] <... ioctl resumed>) = 0 [pid 573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 571] ioctl(5, LOOP_SET_FD, 4 [pid 309] close(3 [pid 573] <... mmap resumed>) = 0x7f41d8643000 [pid 572] <... write resumed>) = 262144 [pid 571] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... close resumed>) = 0 [pid 571] close(5 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 571] <... close resumed>) = 0 [pid 571] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 574 [pid 573] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 572] munmap(0x7f41d8643000, 138412032 [pid 571] <... close resumed>) = 0 [pid 571] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 567] <... futex resumed>) = 0 [pid 571] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 567] exit_group(0 [pid 571] <... futex resumed>) = ? [pid 567] <... exit_group resumed>) = ? [pid 573] <... write resumed>) = 262144 [pid 572] <... munmap resumed>) = 0 [pid 571] +++ exited with 0 +++ [pid 567] +++ exited with 0 +++ [pid 573] munmap(0x7f41d8643000, 138412032 [pid 572] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 574 attached [pid 573] <... munmap resumed>) = 0 [pid 572] <... openat resumed>) = 5 [pid 574] set_robust_list(0x55555610b6a0, 24 [pid 573] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 572] ioctl(5, LOOP_SET_FD, 4 [pid 574] <... set_robust_list resumed>) = 0 [pid 573] <... openat resumed>) = 5 [pid 572] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 573] ioctl(5, LOOP_SET_FD, 4 [pid 572] ioctl(5, LOOP_CLR_FD [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 574] <... prctl resumed>) = 0 [pid 573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 572] <... ioctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 574] setpgid(0, 0 [pid 573] ioctl(5, LOOP_CLR_FD [pid 307] ioctl(3, LOOP_CLR_FD [pid 574] <... setpgid resumed>) = 0 [pid 573] <... ioctl resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] close(3 [pid 574] <... openat resumed>) = 3 [pid 572] ioctl(5, LOOP_SET_FD, 4 [pid 307] <... close resumed>) = 0 [pid 574] write(3, "1000", 4 [pid 572] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 574] <... write resumed>) = 4 [pid 573] ioctl(5, LOOP_SET_FD, 4 [pid 572] close(5 [pid 574] close(3) = 0 [pid 573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 572] <... close resumed>) = 0 [pid 574] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 573] close(5 [pid 572] close(4 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 575 ./strace-static-x86_64: Process 575 attached [pid 574] <... futex resumed>) = 0 [pid 573] <... close resumed>) = 0 [pid 572] <... close resumed>) = 0 [pid 575] set_robust_list(0x55555610b6a0, 24 [pid 574] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 573] close(4 [pid 572] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... set_robust_list resumed>) = 0 [pid 574] <... rt_sigaction resumed>NULL, 8) = 0 [pid 574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 574] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 573] <... close resumed>) = 0 [pid 572] <... futex resumed>) = 1 [pid 568] <... futex resumed>) = 0 [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 574] <... mprotect resumed>) = 0 [pid 573] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 572] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 568] exit_group(0 [pid 575] <... prctl resumed>) = 0 [pid 574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 573] <... futex resumed>) = 1 [pid 572] <... futex resumed>) = ? [pid 570] <... futex resumed>) = 0 [pid 568] <... exit_group resumed>) = ? [pid 575] setpgid(0, 0 [pid 574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 573] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 572] +++ exited with 0 +++ [pid 570] exit_group(0 [pid 568] +++ exited with 0 +++ [pid 575] <... setpgid resumed>) = 0 [pid 574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 573] <... futex resumed>) = ? [pid 570] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 573] +++ exited with 0 +++ [pid 574] <... clone3 resumed> => {parent_tid=[576]}, 88) = 576 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 570] +++ exited with 0 +++ [pid 574] <... futex resumed>) = 0 [pid 575] <... openat resumed>) = 3 [pid 574] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 575] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 575] <... write resumed>) = 4 [pid 306] <... openat resumed>) = 3 [pid 575] close(3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 575] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 576 attached [pid 575] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... openat resumed>) = 3 [pid 306] close(3 [pid 576] set_robust_list(0x7f41e0a639a0, 24 [pid 575] <... futex resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 306] <... close resumed>) = 0 [pid 576] <... set_robust_list resumed>) = 0 [pid 575] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 308] <... ioctl resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 576] rt_sigprocmask(SIG_SETMASK, [], [pid 575] <... rt_sigaction resumed>NULL, 8) = 0 [pid 308] close(3 [pid 576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 308] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 577 [pid 576] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 577 attached [pid 576] <... openat resumed>) = 3 [pid 575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 577] set_robust_list(0x55555610b6a0, 24 [pid 576] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... mmap resumed>) = 0x7f41e0a43000 [pid 577] <... set_robust_list resumed>) = 0 [pid 576] <... futex resumed>) = 1 [pid 575] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 574] <... futex resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 578 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 576] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 575] <... mprotect resumed>) = 0 [pid 574] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... prctl resumed>) = 0 [pid 576] <... write resumed>) = 4096 [pid 575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 574] <... futex resumed>) = 0 [pid 577] setpgid(0, 0 [pid 576] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 574] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 578 attached [pid 577] <... setpgid resumed>) = 0 [pid 576] <... futex resumed>) = 0 [pid 575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 578] set_robust_list(0x55555610b6a0, 24 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 576] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... set_robust_list resumed>) = 0 [pid 577] <... openat resumed>) = 3 [pid 576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 575] <... clone3 resumed> => {parent_tid=[579]}, 88) = 579 [pid 574] <... futex resumed>) = 0 ./strace-static-x86_64: Process 579 attached [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 577] write(3, "1000", 4 [pid 576] memfd_create("syzkaller", 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], [pid 574] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 579] set_robust_list(0x7f41e0a639a0, 24 [pid 578] <... prctl resumed>) = 0 [pid 577] <... write resumed>) = 4 [pid 576] <... memfd_create resumed>) = 4 [pid 575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 579] <... set_robust_list resumed>) = 0 [pid 578] setpgid(0, 0 [pid 577] close(3 [pid 576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 575] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] rt_sigprocmask(SIG_SETMASK, [], [pid 578] <... setpgid resumed>) = 0 [pid 577] <... close resumed>) = 0 [pid 576] <... mmap resumed>) = 0x7f41d8643000 [pid 575] <... futex resumed>) = 0 [pid 579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 577] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 575] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 578] <... openat resumed>) = 3 [pid 577] <... futex resumed>) = 0 [pid 576] <... write resumed>) = 262144 [pid 579] <... openat resumed>) = 3 [pid 578] write(3, "1000", 4 [pid 577] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 576] munmap(0x7f41d8643000, 138412032 [pid 579] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... write resumed>) = 4 [pid 577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 576] <... munmap resumed>) = 0 [pid 579] <... futex resumed>) = 1 [pid 578] close(3 [pid 577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 576] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 575] <... futex resumed>) = 0 [pid 579] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] <... close resumed>) = 0 [pid 577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 575] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 578] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 575] <... futex resumed>) = 0 [pid 579] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 578] <... futex resumed>) = 0 [pid 576] <... openat resumed>) = 5 [pid 579] <... write resumed>) = 4096 [pid 578] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 577] <... mmap resumed>) = 0x7f41e0a43000 [pid 576] ioctl(5, LOOP_SET_FD, 4 [pid 575] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 579] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 577] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 576] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 579] <... futex resumed>) = 0 [pid 578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 577] <... mprotect resumed>) = 0 [pid 576] ioctl(5, LOOP_CLR_FD [pid 575] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] memfd_create("syzkaller", 0 [pid 578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 576] <... ioctl resumed>) = 0 [pid 575] <... futex resumed>) = 0 [pid 579] <... memfd_create resumed>) = 4 [pid 578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 575] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 578] <... mmap resumed>) = 0x7f41e0a43000 [pid 577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 579] <... mmap resumed>) = 0x7f41d8643000 [pid 578] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 576] ioctl(5, LOOP_SET_FD, 4./strace-static-x86_64: Process 580 attached ) = -1 EBUSY (Device or resource busy) [pid 576] close(5) = 0 [pid 576] close(4 [pid 580] set_robust_list(0x7f41e0a639a0, 24 [pid 578] <... mprotect resumed>) = 0 [pid 577] <... clone3 resumed> => {parent_tid=[580]}, 88) = 580 [pid 576] <... close resumed>) = 0 [pid 580] <... set_robust_list resumed>) = 0 [pid 579] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 577] rt_sigprocmask(SIG_SETMASK, [], [pid 576] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] rt_sigprocmask(SIG_SETMASK, [], [pid 578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 576] <... futex resumed>) = 1 [pid 574] <... futex resumed>) = 0 [pid 580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 577] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 576] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 574] exit_group(0 [pid 314] exit_group(0 [pid 580] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 579] <... write resumed>) = 262144 [pid 577] <... futex resumed>) = 0 [pid 576] <... futex resumed>) = ? [pid 574] <... exit_group resumed>) = ? [pid 314] <... exit_group resumed>) = ? [pid 580] <... openat resumed>) = 3 [pid 579] munmap(0x7f41d8643000, 138412032 [pid 578] <... clone3 resumed> => {parent_tid=[581]}, 88) = 581 [pid 577] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 576] +++ exited with 0 +++ [pid 574] +++ exited with 0 +++ [pid 580] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] <... munmap resumed>) = 0 [pid 578] rt_sigprocmask(SIG_SETMASK, [], [pid 577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 580] <... futex resumed>) = 0 [pid 579] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 577] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 579] <... openat resumed>) = 5 [pid 578] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 577] <... futex resumed>) = 0 ./strace-static-x86_64: Process 581 attached [pid 580] <... write resumed>) = 4096 [pid 579] ioctl(5, LOOP_SET_FD, 4 [pid 578] <... futex resumed>) = 0 [pid 577] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 581] set_robust_list(0x7f41e0a639a0, 24 [pid 580] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 579] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 578] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... openat resumed>) = 3 [pid 581] <... set_robust_list resumed>) = 0 [pid 580] <... futex resumed>) = 0 [pid 579] ioctl(5, LOOP_CLR_FD [pid 577] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(3, LOOP_CLR_FD [pid 581] rt_sigprocmask(SIG_SETMASK, [], [pid 580] memfd_create("syzkaller", 0 [pid 579] <... ioctl resumed>) = 0 [pid 577] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 580] <... memfd_create resumed>) = 4 [pid 577] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] close(3 [pid 581] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 309] <... close resumed>) = 0 [pid 581] <... openat resumed>) = 3 [pid 580] <... mmap resumed>) = 0x7f41d8643000 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 581] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 582 [pid 581] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 579] ioctl(5, LOOP_SET_FD, 4 [pid 578] <... futex resumed>) = 0 [pid 579] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 578] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 581] <... futex resumed>) = 0 [pid 579] close(5 [pid 578] <... futex resumed>) = 1 [pid 581] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 579] <... close resumed>) = 0 [pid 578] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 582 attached [pid 581] <... write resumed>) = 4096 [pid 580] <... write resumed>) = 262144 [pid 579] close(4 [pid 582] set_robust_list(0x55555610b6a0, 24 [pid 581] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] munmap(0x7f41d8643000, 138412032 [pid 581] <... futex resumed>) = 1 [pid 582] <... set_robust_list resumed>) = 0 [pid 581] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 580] <... munmap resumed>) = 0 [pid 579] <... close resumed>) = 0 [pid 578] <... futex resumed>) = 0 [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 580] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 579] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 578] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 582] <... prctl resumed>) = 0 [pid 581] <... futex resumed>) = 0 [pid 580] <... openat resumed>) = 5 [pid 579] <... futex resumed>) = 1 [pid 578] <... futex resumed>) = 1 [pid 575] <... futex resumed>) = 0 [pid 582] setpgid(0, 0 [pid 581] memfd_create("syzkaller", 0 [pid 580] ioctl(5, LOOP_SET_FD, 4 [pid 579] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 575] exit_group(0 [pid 582] <... setpgid resumed>) = 0 [pid 581] <... memfd_create resumed>) = 4 [pid 580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 579] <... futex resumed>) = ? [pid 575] <... exit_group resumed>) = ? [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 580] ioctl(5, LOOP_CLR_FD [pid 579] +++ exited with 0 +++ [pid 582] <... openat resumed>) = 3 [pid 581] <... mmap resumed>) = 0x7f41d8643000 [pid 580] <... ioctl resumed>) = 0 [pid 575] +++ exited with 0 +++ [pid 582] write(3, "1000", 4 [pid 581] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 582] <... write resumed>) = 4 [pid 581] <... write resumed>) = 262144 [pid 582] close(3 [pid 581] munmap(0x7f41d8643000, 138412032 [pid 582] <... close resumed>) = 0 [pid 582] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 580] ioctl(5, LOOP_SET_FD, 4 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 582] <... futex resumed>) = 0 [pid 581] <... munmap resumed>) = 0 [pid 580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... openat resumed>) = 3 [pid 582] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 581] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 580] close(5 [pid 582] <... rt_sigaction resumed>NULL, 8) = 0 [pid 581] <... openat resumed>) = 5 [pid 580] <... close resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 581] ioctl(5, LOOP_SET_FD, 4 [pid 580] close(4 [pid 307] <... ioctl resumed>) = 0 [pid 582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 581] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 580] <... close resumed>) = 0 [pid 582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 581] ioctl(5, LOOP_CLR_FD [pid 580] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] close(3 [pid 582] <... mmap resumed>) = 0x7f41e0a43000 [pid 580] <... futex resumed>) = 1 [pid 577] <... futex resumed>) = 0 [pid 582] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 581] <... ioctl resumed>) = 0 [pid 580] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] <... close resumed>) = 0 [pid 582] <... mprotect resumed>) = 0 [pid 577] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 580] <... futex resumed>) = ? [pid 577] <... exit_group resumed>) = ? [pid 582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 583 [pid 580] +++ exited with 0 +++ [pid 577] +++ exited with 0 +++ [pid 582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 581] ioctl(5, LOOP_SET_FD, 4 [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 582] <... clone3 resumed> => {parent_tid=[584]}, 88) = 584 [pid 581] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... restart_syscall resumed>) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], [pid 581] close(5 [pid 582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 581] <... close resumed>) = 0 [pid 582] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 581] close(4 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 582] <... futex resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 582] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 581] <... close resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 584 attached [pid 581] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] close(3 [pid 584] set_robust_list(0x7f41e0a639a0, 24 [pid 581] <... futex resumed>) = 1 [pid 578] <... futex resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 584] <... set_robust_list resumed>) = 0 [pid 581] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 578] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 584] rt_sigprocmask(SIG_SETMASK, [], [pid 581] <... futex resumed>) = ? [pid 578] <... exit_group resumed>) = ? [pid 584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 581] +++ exited with 0 +++ [pid 578] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 585 ./strace-static-x86_64: Process 583 attached [pid 583] set_robust_list(0x55555610b6a0, 24) = 0 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 583] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 585 attached [pid 584] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 583] <... mprotect resumed>) = 0 [pid 584] <... openat resumed>) = 3 [pid 583] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 585] set_robust_list(0x55555610b6a0, 24 [pid 584] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] <... rt_sigprocmask resumed>[], 8) = 0 [pid 585] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 584] <... futex resumed>) = 1 [pid 583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 582] <... futex resumed>) = 0 [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 584] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... restart_syscall resumed>) = 0 [pid 585] <... prctl resumed>) = 0 [pid 584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 583] <... clone3 resumed> => {parent_tid=[586]}, 88) = 586 [pid 582] <... futex resumed>) = 0 [pid 585] setpgid(0, 0 [pid 584] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 583] rt_sigprocmask(SIG_SETMASK, [], [pid 582] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 585] <... setpgid resumed>) = 0 [pid 584] <... write resumed>) = 4096 [pid 583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 584] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 583] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 586 attached [pid 585] <... openat resumed>) = 3 [pid 584] <... futex resumed>) = 1 [pid 583] <... futex resumed>) = 0 [pid 582] <... futex resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 586] set_robust_list(0x7f41e0a639a0, 24 [pid 585] write(3, "1000", 4 [pid 584] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 583] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 582] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... set_robust_list resumed>) = 0 [pid 585] <... write resumed>) = 4 [pid 584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 582] <... futex resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 586] rt_sigprocmask(SIG_SETMASK, [], [pid 585] close(3 [pid 584] memfd_create("syzkaller", 0 [pid 582] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 308] <... ioctl resumed>) = 0 [pid 586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 585] <... close resumed>) = 0 [pid 584] <... memfd_create resumed>) = 4 [pid 308] close(3 [pid 586] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 585] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 308] <... close resumed>) = 0 [pid 586] <... openat resumed>) = 3 [pid 585] <... futex resumed>) = 0 [pid 584] <... mmap resumed>) = 0x7f41d8643000 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 586] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 585] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 586] <... futex resumed>) = 1 [pid 585] <... rt_sigaction resumed>NULL, 8) = 0 [pid 584] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 583] <... futex resumed>) = 0 [pid 586] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 583] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 583] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 584] <... write resumed>) = 262144 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 587 [pid 586] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 584] munmap(0x7f41d8643000, 138412032 [pid 586] <... write resumed>) = 4096 [pid 585] <... mmap resumed>) = 0x7f41e0a43000 [pid 586] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 585] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 584] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 587 attached [pid 586] <... futex resumed>) = 1 [pid 585] <... mprotect resumed>) = 0 [pid 584] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 583] <... futex resumed>) = 0 [pid 587] set_robust_list(0x55555610b6a0, 24 [pid 586] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 584] <... openat resumed>) = 5 [pid 583] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 587] <... set_robust_list resumed>) = 0 [pid 586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 584] ioctl(5, LOOP_SET_FD, 4 [pid 583] <... futex resumed>) = 0 [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 586] memfd_create("syzkaller", 0 [pid 585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 584] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 583] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 587] <... prctl resumed>) = 0 [pid 586] <... memfd_create resumed>) = 4 [pid 584] ioctl(5, LOOP_CLR_FD [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3) = 0 [pid 587] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 587] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 585] <... clone3 resumed> => {parent_tid=[588]}, 88) = 588 [pid 584] <... ioctl resumed>) = 0 [pid 587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 586] <... mmap resumed>) = 0x7f41d8643000 [pid 585] rt_sigprocmask(SIG_SETMASK, [], [pid 587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[589]}, 88) = 589 [pid 587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 587] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 587] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 585] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 585] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 584] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 589 attached [pid 584] close(5./strace-static-x86_64: Process 588 attached [pid 589] set_robust_list(0x7f41e0a639a0, 24 [pid 586] <... write resumed>) = 262144 [pid 584] <... close resumed>) = 0 [pid 589] <... set_robust_list resumed>) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 589] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 587] <... futex resumed>) = 0 [pid 589] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 588] set_robust_list(0x7f41e0a639a0, 24 [pid 587] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] munmap(0x7f41d8643000, 138412032 [pid 584] close(4 [pid 589] <... write resumed>) = 4096 [pid 588] <... set_robust_list resumed>) = 0 [pid 587] <... futex resumed>) = 0 [pid 589] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] rt_sigprocmask(SIG_SETMASK, [], [pid 587] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 586] <... munmap resumed>) = 0 [pid 584] <... close resumed>) = 0 [pid 589] <... futex resumed>) = 0 [pid 588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 586] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 584] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 588] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 587] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] <... openat resumed>) = 5 [pid 584] <... futex resumed>) = 1 [pid 582] <... futex resumed>) = 0 [pid 589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 588] <... openat resumed>) = 3 [pid 587] <... futex resumed>) = 0 [pid 586] ioctl(5, LOOP_SET_FD, 4 [pid 584] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 582] exit_group(0 [pid 589] memfd_create("syzkaller", 0 [pid 588] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 587] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 586] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 584] <... futex resumed>) = ? [pid 582] <... exit_group resumed>) = ? [pid 589] <... memfd_create resumed>) = 4 [pid 588] <... futex resumed>) = 1 [pid 586] ioctl(5, LOOP_CLR_FD [pid 585] <... futex resumed>) = 0 [pid 584] +++ exited with 0 +++ [pid 589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 589] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 588] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] <... ioctl resumed>) = 0 [pid 585] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 582] +++ exited with 0 +++ [pid 589] <... write resumed>) = 262144 [pid 588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 585] <... futex resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 588] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 585] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 589] munmap(0x7f41d8643000, 138412032 [pid 588] <... write resumed>) = 4096 [pid 589] <... munmap resumed>) = 0 [pid 588] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 586] ioctl(5, LOOP_SET_FD, 4 [pid 589] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 588] <... futex resumed>) = 1 [pid 586] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 585] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 589] <... openat resumed>) = 5 [pid 588] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 586] close(5 [pid 585] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 589] ioctl(5, LOOP_SET_FD, 4 [pid 588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 586] <... close resumed>) = 0 [pid 585] <... futex resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 589] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 588] memfd_create("syzkaller", 0 [pid 586] close(4 [pid 585] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] ioctl(3, LOOP_CLR_FD [pid 589] ioctl(5, LOOP_CLR_FD [pid 588] <... memfd_create resumed>) = 4 [pid 589] <... ioctl resumed>) = 0 [pid 588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 586] <... close resumed>) = 0 [pid 309] <... ioctl resumed>) = 0 [pid 588] <... mmap resumed>) = 0x7f41d8643000 [pid 586] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] close(3 [pid 588] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 586] <... futex resumed>) = 1 [pid 583] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 588] <... write resumed>) = 262144 [pid 586] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 583] exit_group(0 [pid 589] ioctl(5, LOOP_SET_FD, 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 589] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 588] munmap(0x7f41d8643000, 138412032 [pid 586] <... futex resumed>) = ? [pid 583] <... exit_group resumed>) = ? [pid 589] close(5 [pid 588] <... munmap resumed>) = 0 [pid 586] +++ exited with 0 +++ [pid 583] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 590 [pid 589] <... close resumed>) = 0 [pid 588] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 589] close(4 [pid 588] <... openat resumed>) = 5 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 588] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 588] ioctl(5, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 590 attached [pid 590] set_robust_list(0x55555610b6a0, 24) = 0 [pid 589] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 589] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] kill(-314, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 311] <... kill resumed>) = 0 [pid 589] <... futex resumed>) = 1 [pid 587] <... futex resumed>) = 0 [pid 311] kill(314, SIGKILL [pid 589] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 587] exit_group(0 [pid 311] <... kill resumed>) = 0 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 589] <... futex resumed>) = ? [pid 588] ioctl(5, LOOP_SET_FD, 4 [pid 587] <... exit_group resumed>) = ? [pid 590] <... prctl resumed>) = 0 [pid 589] +++ exited with 0 +++ [pid 588] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 590] setpgid(0, 0 [pid 588] close(5 [pid 590] <... setpgid resumed>) = 0 [pid 588] <... close resumed>) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 588] close(4 [pid 590] <... openat resumed>) = 3 [pid 588] <... close resumed>) = 0 [pid 587] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 590] write(3, "1000", 4 [pid 588] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 590] <... write resumed>) = 4 [pid 588] <... futex resumed>) = 1 [pid 585] <... futex resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 590] close(3 [pid 588] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 585] exit_group(0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 590] <... close resumed>) = 0 [pid 588] <... futex resumed>) = ? [pid 585] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 307] <... ioctl resumed>) = 0 [pid 590] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 588] +++ exited with 0 +++ [pid 585] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 307] close(3 [pid 590] <... futex resumed>) = 0 [pid 308] ioctl(3, LOOP_CLR_FD [pid 590] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 308] <... ioctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 308] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted clone ...> [pid 590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 308] <... close resumed>) = 0 [pid 590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 590] <... mmap resumed>) = 0x7f41e0a43000 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 592 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 591 [pid 590] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] <... openat resumed>) = 3 [pid 306] ioctl(3, LOOP_CLR_FD [pid 590] <... clone3 resumed> => {parent_tid=[593]}, 88) = 593 [pid 306] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 591 attached [pid 590] rt_sigprocmask(SIG_SETMASK, [], [pid 306] close(3 [pid 591] set_robust_list(0x55555610b6a0, 24 [pid 590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 591] <... set_robust_list resumed>) = 0 [pid 590] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... close resumed>) = 0 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 590] <... futex resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 591] <... prctl resumed>) = 0 [pid 590] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 594 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 591] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, ./strace-static-x86_64: Process 593 attached NULL, 8) = 0 [pid 593] set_robust_list(0x7f41e0a639a0, 24 [pid 591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 593] <... set_robust_list resumed>) = 0 [pid 591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 593] rt_sigprocmask(SIG_SETMASK, [], [pid 591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 591] <... mmap resumed>) = 0x7f41e0a43000 [pid 593] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 591] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 593] <... openat resumed>) = 3 [pid 591] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 594 attached [pid 593] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 593] <... futex resumed>) = 1 [pid 591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 590] <... futex resumed>) = 0 [pid 594] set_robust_list(0x55555610b6a0, 24 [pid 593] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 590] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] <... set_robust_list resumed>) = 0 [pid 593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 590] <... futex resumed>) = 0 [pid 593] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 591] <... clone3 resumed> => {parent_tid=[596]}, 88) = 596 [pid 590] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] <... write resumed>) = 4096 [pid 591] rt_sigprocmask(SIG_SETMASK, [], [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 593] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 593] <... futex resumed>) = 1 [pid 591] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 590] <... futex resumed>) = 0 [pid 593] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 591] <... futex resumed>) = 0 [pid 590] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 592 attached [pid 594] <... prctl resumed>) = 0 [pid 593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 591] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 590] <... futex resumed>) = 0 [pid 593] memfd_create("syzkaller", 0 [pid 590] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 594] setpgid(0, 0 [pid 593] <... memfd_create resumed>) = 4 [pid 592] set_robust_list(0x55555610b6a0, 24 [pid 594] <... setpgid resumed>) = 0 [pid 593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 592] <... set_robust_list resumed>) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 593] <... mmap resumed>) = 0x7f41d8643000 [pid 594] <... openat resumed>) = 3 [pid 593] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 594] write(3, "1000", 4 [pid 592] <... prctl resumed>) = 0 [pid 594] <... write resumed>) = 4 [pid 592] setpgid(0, 0 [pid 594] close(3 [pid 593] <... write resumed>) = 262144 ./strace-static-x86_64: Process 596 attached [pid 594] <... close resumed>) = 0 [pid 592] <... setpgid resumed>) = 0 [pid 596] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] munmap(0x7f41d8643000, 138412032 [pid 596] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 594] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 596] <... openat resumed>) = 3 [pid 594] <... futex resumed>) = 0 [pid 593] <... munmap resumed>) = 0 [pid 592] <... openat resumed>) = 3 [pid 596] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 593] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 592] write(3, "1000", 4 [pid 596] <... futex resumed>) = 1 [pid 594] <... rt_sigaction resumed>NULL, 8) = 0 [pid 593] <... openat resumed>) = 5 [pid 592] <... write resumed>) = 4 [pid 591] <... futex resumed>) = 0 [pid 596] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 593] ioctl(5, LOOP_SET_FD, 4 [pid 592] close(3 [pid 591] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 596] <... write resumed>) = 4096 [pid 594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 593] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 592] <... close resumed>) = 0 [pid 591] <... futex resumed>) = 0 [pid 596] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 593] ioctl(5, LOOP_CLR_FD [pid 592] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 596] <... futex resumed>) = 0 [pid 594] <... mmap resumed>) = 0x7f41e0a43000 [pid 593] <... ioctl resumed>) = 0 [pid 592] <... futex resumed>) = 0 [pid 591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 596] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 592] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 591] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 594] <... mprotect resumed>) = 0 [pid 592] <... rt_sigaction resumed>NULL, 8) = 0 [pid 591] <... futex resumed>) = 0 [pid 596] memfd_create("syzkaller", 0 [pid 594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 591] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 596] <... memfd_create resumed>) = 4 [pid 594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 593] ioctl(5, LOOP_SET_FD, 4 [pid 592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 596] <... mmap resumed>) = 0x7f41d8643000 [pid 593] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 596] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 593] close(5 [pid 592] <... mmap resumed>) = 0x7f41e0a43000 [pid 594] <... clone3 resumed> => {parent_tid=[597]}, 88) = 597 [pid 593] <... close resumed>) = 0 [pid 592] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 596] <... write resumed>) = 262144 [pid 594] rt_sigprocmask(SIG_SETMASK, [], [pid 593] close(4 [pid 592] <... mprotect resumed>) = 0 [pid 596] munmap(0x7f41d8643000, 138412032 [pid 594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 593] <... close resumed>) = 0 [pid 592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 596] <... munmap resumed>) = 0 [pid 594] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 593] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 596] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 594] <... futex resumed>) = 0 [pid 593] <... futex resumed>) = 1 [pid 590] <... futex resumed>) = 0 [pid 592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 597 attached [pid 596] <... openat resumed>) = 5 [pid 594] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 593] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 590] exit_group(0 [pid 597] set_robust_list(0x7f41e0a639a0, 24 [pid 596] ioctl(5, LOOP_SET_FD, 4 [pid 593] <... futex resumed>) = ? [pid 590] <... exit_group resumed>) = ? [pid 597] <... set_robust_list resumed>) = 0 [pid 596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 593] +++ exited with 0 +++ [pid 592] <... clone3 resumed> => {parent_tid=[598]}, 88) = 598 [pid 590] +++ exited with 0 +++ [pid 597] rt_sigprocmask(SIG_SETMASK, [], [pid 596] ioctl(5, LOOP_CLR_FD [pid 592] rt_sigprocmask(SIG_SETMASK, [], [pid 597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 596] <... ioctl resumed>) = 0 [pid 592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 597] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 592] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 597] <... openat resumed>) = 3 [pid 592] <... futex resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 597] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 597] <... futex resumed>) = 1 [pid 596] ioctl(5, LOOP_SET_FD, 4 [pid 594] <... futex resumed>) = 0 [pid 597] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 594] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 598 attached [pid 597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 596] close(5 [pid 594] <... futex resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 597] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 596] <... close resumed>) = 0 [pid 594] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] ioctl(3, LOOP_CLR_FD [pid 598] set_robust_list(0x7f41e0a639a0, 24 [pid 597] <... write resumed>) = 4096 [pid 596] close(4 [pid 309] <... ioctl resumed>) = 0 [pid 598] <... set_robust_list resumed>) = 0 [pid 597] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 596] <... close resumed>) = 0 [pid 309] close(3 [pid 598] rt_sigprocmask(SIG_SETMASK, [], [pid 597] <... futex resumed>) = 1 [pid 596] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 594] <... futex resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 597] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 596] <... futex resumed>) = 1 [pid 594] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 591] <... futex resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 598] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 596] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] <... futex resumed>) = 0 [pid 591] exit_group(0 [pid 597] memfd_create("syzkaller", 0 [pid 596] <... futex resumed>) = ? [pid 594] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 591] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55555610b690) = 599 [pid 598] <... openat resumed>) = 3 [pid 597] <... memfd_create resumed>) = 4 [pid 596] +++ exited with 0 +++ [pid 591] +++ exited with 0 +++ [pid 598] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 598] <... futex resumed>) = 1 [pid 597] <... mmap resumed>) = 0x7f41d8643000 [pid 592] <... futex resumed>) = 0 [pid 598] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 592] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 597] <... write resumed>) = 262144 [pid 592] <... futex resumed>) = 0 [pid 598] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 597] munmap(0x7f41d8643000, 138412032 [pid 592] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 598] <... write resumed>) = 4096 [pid 597] <... munmap resumed>) = 0 [pid 598] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 307] <... openat resumed>) = 3 [pid 598] <... futex resumed>) = 1 [pid 597] <... openat resumed>) = 5 [pid 592] <... futex resumed>) = 0 [pid 307] ioctl(3, LOOP_CLR_FD [pid 598] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 597] ioctl(5, LOOP_SET_FD, 4 [pid 592] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 599 attached [pid 598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 597] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 592] <... futex resumed>) = 0 [pid 307] close(3 [pid 599] set_robust_list(0x55555610b6a0, 24 [pid 598] memfd_create("syzkaller", 0 [pid 597] ioctl(5, LOOP_CLR_FD [pid 592] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 599] <... set_robust_list resumed>) = 0 [pid 598] <... memfd_create resumed>) = 4 [pid 597] <... ioctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 599] <... prctl resumed>) = 0 [pid 598] <... mmap resumed>) = 0x7f41d8643000 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4 [pid 597] ioctl(5, LOOP_SET_FD, 4 [pid 599] <... write resumed>) = 4 [pid 597] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 599] close(3 [pid 597] close(5 [pid 599] <... close resumed>) = 0 [pid 597] <... close resumed>) = 0 [pid 599] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 597] close(4 [pid 599] <... futex resumed>) = 0 [pid 597] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 600 [pid 599] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 597] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 598] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 597] <... futex resumed>) = 1 [pid 594] <... futex resumed>) = 0 ./strace-static-x86_64: Process 600 attached [pid 599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 597] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 594] exit_group(0 [pid 600] set_robust_list(0x55555610b6a0, 24 [pid 599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 597] <... futex resumed>) = ? [pid 594] <... exit_group resumed>) = ? [pid 600] <... set_robust_list resumed>) = 0 [pid 599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 597] +++ exited with 0 +++ [pid 594] +++ exited with 0 +++ [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 599] <... mmap resumed>) = 0x7f41e0a43000 [pid 598] <... write resumed>) = 262144 [pid 600] <... prctl resumed>) = 0 [pid 599] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 600] setpgid(0, 0 [pid 599] <... mprotect resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 600] <... setpgid resumed>) = 0 [pid 599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 598] munmap(0x7f41d8643000, 138412032 [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 600] <... openat resumed>) = 3 [pid 599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 306] <... openat resumed>) = 3 [pid 600] write(3, "1000", 4 [pid 598] <... munmap resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 600] <... write resumed>) = 4 [pid 599] <... clone3 resumed> => {parent_tid=[601]}, 88) = 601 [pid 598] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 306] <... ioctl resumed>) = 0 [pid 600] close(3 [pid 599] rt_sigprocmask(SIG_SETMASK, [], [pid 598] <... openat resumed>) = 5 [pid 306] close(3 [pid 600] <... close resumed>) = 0 [pid 599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 598] ioctl(5, LOOP_SET_FD, 4 [pid 600] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... close resumed>) = 0 [pid 600] <... futex resumed>) = 0 [pid 599] <... futex resumed>) = 0 ./strace-static-x86_64: Process 601 attached [pid 600] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 599] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 598] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 598] ioctl(5, LOOP_CLR_FD [pid 600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 601] set_robust_list(0x7f41e0a639a0, 24 [pid 600] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 601] <... set_robust_list resumed>) = 0 [pid 600] <... mprotect resumed>) = 0 [pid 598] <... ioctl resumed>) = 0 [pid 601] rt_sigprocmask(SIG_SETMASK, [], [pid 600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 306] <... clone resumed>, child_tidptr=0x55555610b690) = 602 [pid 601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 600] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 602 attached [pid 601] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 601] <... openat resumed>) = 3 [pid 598] ioctl(5, LOOP_SET_FD, 4 [pid 601] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 600] <... clone3 resumed> => {parent_tid=[603]}, 88) = 603 [pid 598] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 601] <... futex resumed>) = 1 [pid 600] rt_sigprocmask(SIG_SETMASK, [], [pid 599] <... futex resumed>) = 0 [pid 598] close(5 [pid 602] set_robust_list(0x55555610b6a0, 24 [pid 601] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 599] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] <... close resumed>) = 0 [pid 602] <... set_robust_list resumed>) = 0 [pid 601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 600] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 599] <... futex resumed>) = 0 [pid 598] close(4 [pid 601] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 600] <... futex resumed>) = 0 [pid 599] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 601] <... write resumed>) = 4096 [pid 600] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 603 attached [pid 601] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] set_robust_list(0x7f41e0a639a0, 24 [pid 601] <... futex resumed>) = 1 [pid 599] <... futex resumed>) = 0 [pid 603] <... set_robust_list resumed>) = 0 [pid 599] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] rt_sigprocmask(SIG_SETMASK, [], [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 601] memfd_create("syzkaller", 0 [pid 599] <... futex resumed>) = 0 [pid 598] <... close resumed>) = 0 [pid 603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 602] <... prctl resumed>) = 0 [pid 601] <... memfd_create resumed>) = 4 [pid 599] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 598] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 602] setpgid(0, 0 [pid 601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 598] <... futex resumed>) = 1 [pid 592] <... futex resumed>) = 0 [pid 603] <... openat resumed>) = 3 [pid 602] <... setpgid resumed>) = 0 [pid 601] <... mmap resumed>) = 0x7f41d8643000 [pid 598] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 592] exit_group(0 [pid 603] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 592] <... exit_group resumed>) = ? [pid 603] <... futex resumed>) = 1 [pid 600] <... futex resumed>) = 0 [pid 603] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 600] <... futex resumed>) = 0 [pid 603] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 600] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 603] <... write resumed>) = 4096 [pid 603] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 600] <... futex resumed>) = 0 [pid 603] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 600] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 598] <... futex resumed>) = ? [pid 603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 600] <... futex resumed>) = 0 [pid 603] memfd_create("syzkaller", 0 [pid 600] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 603] <... memfd_create resumed>) = 4 [pid 603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41d8643000 [pid 603] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 601] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 598] +++ exited with 0 +++ [pid 592] +++ exited with 0 +++ [pid 603] <... write resumed>) = 262144 [pid 602] <... openat resumed>) = 3 [pid 601] <... write resumed>) = 262144 [pid 602] write(3, "1000", 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] munmap(0x7f41d8643000, 138412032 [pid 602] <... write resumed>) = 4 [pid 601] munmap(0x7f41d8643000, 138412032 [pid 308] restart_syscall(<... resuming interrupted clone ...> [pid 603] <... munmap resumed>) = 0 [pid 602] close(3 [pid 601] <... munmap resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 603] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 602] <... close resumed>) = 0 [pid 603] <... openat resumed>) = 5 [pid 602] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 603] ioctl(5, LOOP_SET_FD, 4 [pid 602] <... futex resumed>) = 0 [pid 601] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 603] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 602] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 601] <... openat resumed>) = 5 [pid 308] <... openat resumed>) = 3 [pid 603] ioctl(5, LOOP_CLR_FD [pid 602] <... rt_sigaction resumed>NULL, 8) = 0 [pid 601] ioctl(5, LOOP_SET_FD, 4 [pid 308] ioctl(3, LOOP_CLR_FD [pid 603] <... ioctl resumed>) = 0 [pid 602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 601] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... ioctl resumed>) = 0 [pid 602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 601] ioctl(5, LOOP_CLR_FD [pid 308] close(3 [pid 602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 601] <... ioctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 602] <... mmap resumed>) = 0x7f41e0a43000 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 602] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 603] ioctl(5, LOOP_SET_FD, 4 [pid 602] <... mprotect resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55555610b690) = 604 [pid 603] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 603] close(5 [pid 602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 603] <... close resumed>) = 0 [pid 602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 603] close(4 [pid 602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 601] ioctl(5, LOOP_SET_FD, 4 [pid 603] <... close resumed>) = 0 ./strace-static-x86_64: Process 604 attached [pid 603] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 601] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 603] <... futex resumed>) = 1 [pid 600] <... futex resumed>) = 0 [pid 604] set_robust_list(0x55555610b6a0, 24 [pid 603] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 602] <... clone3 resumed> => {parent_tid=[605]}, 88) = 605 [pid 601] close(5 [pid 600] exit_group(0 [pid 603] <... futex resumed>) = ? [pid 600] <... exit_group resumed>) = ? [pid 604] <... set_robust_list resumed>) = 0 [pid 603] +++ exited with 0 +++ [pid 602] rt_sigprocmask(SIG_SETMASK, [], [pid 601] <... close resumed>) = 0 [pid 600] +++ exited with 0 +++ ./strace-static-x86_64: Process 605 attached [pid 605] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 601] close(4 [pid 602] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 601] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 602] <... futex resumed>) = 1 [pid 604] <... prctl resumed>) = 0 [pid 601] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 602] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] restart_syscall(<... resuming interrupted clone ...> [pid 604] setpgid(0, 0 [pid 601] <... futex resumed>) = 1 [pid 307] <... restart_syscall resumed>) = 0 [pid 604] <... setpgid resumed>) = 0 [pid 601] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 605] <... futex resumed>) = 0 [pid 599] <... futex resumed>) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 605] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 599] exit_group(0 [pid 307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 604] <... openat resumed>) = 3 [pid 605] <... openat resumed>) = 3 [pid 604] write(3, "1000", 4 [pid 599] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 [pid 604] <... write resumed>) = 4 [pid 601] <... futex resumed>) = ? [pid 604] close(3 [pid 601] +++ exited with 0 +++ [pid 605] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... close resumed>) = 0 [pid 599] +++ exited with 0 +++ [pid 307] ioctl(3, LOOP_CLR_FD [pid 605] <... futex resumed>) = 1 [pid 604] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 602] <... futex resumed>) = 0 [pid 307] <... ioctl resumed>) = 0 [pid 605] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 604] <... futex resumed>) = 0 [pid 602] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 307] close(3 [pid 605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 604] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, [pid 602] <... futex resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted clone ...> [pid 307] <... close resumed>) = 0 [pid 605] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 604] <... rt_sigaction resumed>NULL, 8) = 0 [pid 602] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 605] <... write resumed>) = 4096 [pid 604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 605] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55555610b690) = 606 [pid 605] <... futex resumed>) = 1 [pid 604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 602] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 605] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 309] <... openat resumed>) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 607 [pid 604] <... mmap resumed>) = 0x7f41e0a43000 [pid 602] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x55555610b6a0, 24 [pid 602] <... futex resumed>) = 1 [pid 605] <... futex resumed>) = 0 [pid 604] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 605] memfd_create("syzkaller", 0 [pid 602] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 605] <... memfd_create resumed>) = 4 [pid 604] <... mprotect resumed>) = 0 [pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 605] <... mmap resumed>) = 0x7f41d8643000 [pid 604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 607] <... set_robust_list resumed>) = 0 [ 44.446788][ T325] ------------[ cut here ]------------ [ 44.452155][ T325] kernel BUG at fs/buffer.c:2714! [ 44.466475][ T325] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 44.472452][ T325] CPU: 0 PID: 325 Comm: kmmpd-loop4 Not tainted 6.1.68-syzkaller-00059-gef39f76e4d24 #0 [ 44.482972][ T325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 44.493053][ T325] RIP: 0010:submit_bh_wbc+0x4cd/0x4f0 [ 44.498676][ T325] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 a4 29 e7 ff e9 b0 fe ff ff e8 1a 56 a0 ff 0f 0b e8 13 56 a0 ff <0f> 0b e8 0c 56 a0 ff 0f 0b e8 05 56 a0 ff 0f 0b e8 fe 55 a0 ff 0f [ 44.518565][ T325] RSP: 0018:ffffc90000fd7c20 EFLAGS: 00010293 [ 44.524727][ T325] RAX: ffffffff81d51afd RBX: 0000000000000000 RCX: ffff888120781440 [ 44.532663][ T325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.540523][ T325] RBP: ffffc90000fd7c70 R08: ffffffff81d516d0 R09: ffffed1024025751 [ 44.548338][ T325] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.556148][ T325] R13: 1ffff11024025750 R14: ffff88812012ba80 R15: 0000000000003801 [ 44.563960][ T325] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.572835][ T325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.579246][ T325] CR2: 000055555610b690 CR3: 00000001100c7000 CR4: 00000000003506b0 [ 44.587252][ T325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.595044][ T325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.602864][ T325] Call Trace: [ 44.605980][ T325] [ 44.608768][ T325] ? __die_body+0x62/0xb0 [ 44.613189][ T325] ? die+0x88/0xb0 [ 44.616882][ T325] ? do_trap+0x103/0x330 [ 44.621317][ T325] ? submit_bh_wbc+0x4cd/0x4f0 [ 44.626199][ T325] ? handle_invalid_op+0x95/0xc0 [ 44.631148][ T325] ? submit_bh_wbc+0x4cd/0x4f0 [ 44.635742][ T325] ? exc_invalid_op+0x32/0x50 [ 44.640719][ T325] ? asm_exc_invalid_op+0x1b/0x20 [ 44.645802][ T325] ? submit_bh_wbc+0xa0/0x4f0 [ 44.650403][ T325] ? submit_bh_wbc+0x4cd/0x4f0 [ 44.655173][ T325] ? submit_bh_wbc+0x4cd/0x4f0 [ 44.660812][ T325] ? __kasan_check_read+0x11/0x20 [ 44.665816][ T325] submit_bh+0x1d/0x30 [ 44.669813][ T325] write_mmp_block_thawed+0x3a0/0x570 [ 44.675387][ T325] ? read_mmp_block+0x7d0/0x7d0 [ 44.680065][ T325] ? update_process_times+0x1b0/0x1b0 [ 44.685564][ T325] write_mmp_block+0x12b/0x2a0 [ 44.690487][ T325] kmmpd+0x40c/0xa10 [pid 605] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 606 attached [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 605] <... write resumed>) = 262144 [pid 607] <... prctl resumed>) = 0 [pid 605] munmap(0x7f41d8643000, 138412032 [pid 607] setpgid(0, 0 [pid 605] <... munmap resumed>) = 0 [pid 607] <... setpgid resumed>) = 0 [pid 605] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 605] <... openat resumed>) = 5 [pid 607] <... openat resumed>) = 3 [pid 605] ioctl(5, LOOP_SET_FD, 4 [pid 607] write(3, "1000", 4 [pid 605] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 607] <... write resumed>) = 4 [pid 605] ioctl(5, LOOP_CLR_FD [pid 607] close(3 [pid 605] <... ioctl resumed>) = 0 [pid 607] <... close resumed>) = 0 [pid 607] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 605] ioctl(5, LOOP_SET_FD, 4 [pid 607] <... mmap resumed>) = 0x7f41e0a43000 [pid 605] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 607] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 605] close(5 [pid 607] <... mprotect resumed>) = 0 [pid 605] <... close resumed>) = 0 [pid 607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 605] close(4 [pid 607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 605] <... close resumed>) = 0 [pid 607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} [pid 605] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... clone3 resumed> => {parent_tid=[608]}, 88) = 608 [pid 605] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 608 attached [pid 608] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 608] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... futex resumed>) = 0 [pid 607] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 607] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 608] <... futex resumed>) = 1 [pid 608] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642) = 4096 [pid 608] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 607] <... futex resumed>) = 0 [pid 608] memfd_create("syzkaller", 0 [pid 607] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 608] <... memfd_create resumed>) = 4 [pid 607] <... futex resumed>) = 0 [pid 608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 607] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 608] <... mmap resumed>) = 0x7f41d8643000 [pid 608] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 608] munmap(0x7f41d8643000, 138412032) = 0 [pid 608] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 608] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 608] ioctl(5, LOOP_CLR_FD) = 0 [pid 608] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 608] close(5) = 0 [pid 608] close(4) = 0 [pid 608] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 607] <... futex resumed>) = 0 [pid 607] exit_group(0) = ? [pid 608] <... futex resumed>) = ? [pid 608] +++ exited with 0 +++ [pid 607] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 609 ./strace-static-x86_64: Process 609 attached [pid 609] set_robust_list(0x55555610b6a0, 24) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 609] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[610]}, 88) = 610 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 609] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 610 attached [pid 610] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 610] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 609] <... futex resumed>) = 0 [pid 610] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 609] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 610] <... write resumed>) = 4096 [pid 609] <... futex resumed>) = 0 [pid 610] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 610] <... futex resumed>) = 0 [pid 609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 610] memfd_create("syzkaller", 0 [pid 609] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 610] <... memfd_create resumed>) = 4 [pid 609] <... futex resumed>) = 0 [pid 610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 609] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 610] <... mmap resumed>) = 0x7f41d8643000 [pid 610] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 610] munmap(0x7f41d8643000, 138412032) = 0 [pid 610] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 610] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 610] ioctl(5, LOOP_CLR_FD) = 0 [pid 610] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 610] close(5) = 0 [pid 610] close(4) = 0 [pid 610] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 609] <... futex resumed>) = 0 [pid 609] exit_group(0 [pid 610] <... futex resumed>) = ? [pid 609] <... exit_group resumed>) = ? [pid 610] +++ exited with 0 +++ [pid 609] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 611 ./strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x55555610b6a0, 24) = 0 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 611] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 611] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 611] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0} => {parent_tid=[612]}, 88) = 612 [pid 611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 611] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 611] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 612 attached [pid 612] set_robust_list(0x7f41e0a639a0, 24) = 0 [pid 612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 612] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC) = 3 [pid 612] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 612] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 611] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... write resumed>) = 4096 [pid 611] <... futex resumed>) = 0 [pid 612] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 611] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 612] <... futex resumed>) = 0 [pid 611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 612] memfd_create("syzkaller", 0 [pid 611] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 612] <... memfd_create resumed>) = 4 [pid 611] <... futex resumed>) = 0 [pid 612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 611] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 612] <... mmap resumed>) = 0x7f41d8643000 [pid 612] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 612] munmap(0x7f41d8643000, 138412032) = 0 [pid 612] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5 [pid 612] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 612] ioctl(5, LOOP_CLR_FD) = 0 [pid 612] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy) [pid 612] close(5) = 0 [pid 612] close(4) = 0 [pid 612] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 611] <... futex resumed>) = 0 [pid 612] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 611] exit_group(0 [pid 612] <... futex resumed>) = ? [pid 611] <... exit_group resumed>) = ? [pid 612] +++ exited with 0 +++ [pid 611] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 309] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 309] ioctl(3, LOOP_CLR_FD) = 0 [pid 309] close(3) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 613 ./strace-static-x86_64: Process 613 attached [pid 613] set_robust_list(0x55555610b6a0, 24) = 0 [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 602] <... futex resumed>) = 0 ./strace-static-x86_64: Process 614 attached [pid 613] <... prctl resumed>) = 0 [pid 604] <... clone3 resumed> => {parent_tid=[614]}, 88) = 614 [pid 602] exit_group(0 [pid 606] set_robust_list(0x55555610b6a0, 24 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 614] set_robust_list(0x7f41e0a639a0, 24 [pid 606] <... set_robust_list resumed>) = 0 [pid 605] <... futex resumed>) = ? [pid 604] rt_sigprocmask(SIG_SETMASK, [], [pid 602] <... exit_group resumed>) = ? [ 44.694223][ T325] ? write_mmp_block_thawed+0x570/0x570 [ 44.699693][ T325] ? __kthread_parkme+0x12d/0x180 [ 44.704829][ T325] kthread+0x26d/0x300 [ 44.708911][ T325] ? write_mmp_block_thawed+0x570/0x570 [ 44.714379][ T325] ? kthread_blkcg+0xd0/0xd0 [ 44.718884][ T325] ret_from_fork+0x1f/0x30 [ 44.723235][ T325] [ 44.726174][ T325] Modules linked in: [ 44.734488][ T325] ---[ end trace 0000000000000000 ]--- [ 44.739984][ T325] RIP: 0010:submit_bh_wbc+0x4cd/0x4f0 [pid 614] <... set_robust_list resumed>) = 0 [pid 613] <... openat resumed>) = 3 [pid 605] +++ exited with 0 +++ [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 613] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f41e0a43000 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 614] rt_sigprocmask(SIG_SETMASK, [], [pid 613] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 602] +++ exited with 0 +++ [pid 613] <... mprotect resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f41e0a63990, parent_tid=0x7f41e0a63990, exit_signal=0, stack=0x7f41e0a43000, stack_size=0x20300, tls=0x7f41e0a636c0}./strace-static-x86_64: Process 615 attached [pid 614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 606] <... prctl resumed>) = 0 [pid 604] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 615] set_robust_list(0x7f41e0a639a0, 24 [pid 614] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 613] <... clone3 resumed> => {parent_tid=[615]}, 88) = 615 [pid 613] rt_sigprocmask(SIG_SETMASK, [], [pid 306] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 615] <... set_robust_list resumed>) = 0 [pid 614] <... openat resumed>) = 3 [pid 613] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] setpgid(0, 0 [pid 604] <... futex resumed>) = 0 [pid 306] ioctl(3, LOOP_CLR_FD [pid 615] rt_sigprocmask(SIG_SETMASK, [], [pid 614] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 613] <... futex resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 613] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 44.745425][ T325] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 a4 29 e7 ff e9 b0 fe ff ff e8 1a 56 a0 ff 0f 0b e8 13 56 a0 ff <0f> 0b e8 0c 56 a0 ff 0f 0b e8 05 56 a0 ff 0f 0b e8 fe 55 a0 ff 0f [ 44.767784][ T325] RSP: 0018:ffffc90000fd7c20 EFLAGS: 00010293 [ 44.773830][ T325] RAX: ffffffff81d51afd RBX: 0000000000000000 RCX: ffff888120781440 [ 44.782089][ T325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.790536][ T325] RBP: ffffc90000fd7c70 R08: ffffffff81d516d0 R09: ffffed1024025751 [pid 306] close(3) = 0 [pid 615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 614] <... futex resumed>) = 0 [pid 606] <... setpgid resumed>) = 0 [pid 604] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555610b690) = 616 ./strace-static-x86_64: Process 616 attached [pid 615] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_NOCTTY|O_LARGEFILE|O_CLOEXEC [pid 614] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 616] set_robust_list(0x55555610b6a0, 24) = 0 [pid 615] <... openat resumed>) = 3 [pid 606] <... openat resumed>) = 3 [pid 604] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] write(3, "1000", 4 [pid 604] <... futex resumed>) = 1 [pid 616] setpgid(0, 0 [pid 615] <... futex resumed>) = 1 [pid 614] <... futex resumed>) = 0 [pid 613] <... futex resumed>) = 0 [pid 606] <... write resumed>) = 4 [pid 604] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] <... setpgid resumed>) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3 [pid 615] futex(0x7f41e0b2d6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 614] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 613] futex(0x7f41e0b2d6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] close(3 [pid 616] <... close resumed>) = 0 [pid 616] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 616] rt_sigaction(SIGRT_1, {sa_handler=0x7f41e0acc5e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f41e0abdc90}, NULL, 8) = 0 [pid 616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 613] <... futex resumed>) = 0 [pid 606] <... close resumed>) = 0 [ 44.798850][ T325] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.807611][ T325] R13: 1ffff11024025750 R14: ffff88812012ba80 R15: 0000000000003801 [ 44.815894][ T325] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.825394][ T325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.832433][ T325] CR2: 00007f41e0afa01d CR3: 0000000118e1a000 CR4: 00000000003506b0 [ 44.840943][ T325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 614] <... write resumed>) = 4096 [pid 616] <... mmap resumed>) = 0x7f41e0a43000 [pid 615] write(3, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x37\x30\x34\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 25642 [pid 613] futex(0x7f41e0b2d6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 616] mprotect(0x7f41e0a44000, 131072, PROT_READ|PROT_WRITE [pid 614] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 606] futex(0x7f41e0b2d6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 616] <... mprotect resumed>) = 0 [pid 616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 44.849440][ T325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.857921][ T325] Kernel panic - not syncing: Fatal exception [ 44.863985][ T325] Kernel Offset: disabled [ 44.868272][ T325] Rebooting in 86400 seconds..