./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor818014020 <...> Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. execve("./syz-executor818014020", ["./syz-executor818014020"], 0x7ffe29c3df70 /* 10 vars */) = 0 brk(NULL) = 0x55557f6cc000 brk(0x55557f6ccd40) = 0x55557f6ccd40 arch_prctl(ARCH_SET_FS, 0x55557f6cc3c0) = 0 set_tid_address(0x55557f6cc690) = 5183 set_robust_list(0x55557f6cc6a0, 24) = 0 rseq(0x55557f6ccce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor818014020", 4096) = 27 getrandom("\x46\xae\x26\x60\xa0\x8e\x00\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557f6ccd40 brk(0x55557f6edd40) = 0x55557f6edd40 brk(0x55557f6ee000) = 0x55557f6ee000 mprotect(0x7f0397eba000, 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=0x55557f6cc690) = 5184 ./strace-static-x86_64: Process 5184 attached [pid 5183] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] set_robust_list(0x55557f6cc6a0, 24./strace-static-x86_64: Process 5185 attached [pid 5183] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5185 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] set_robust_list(0x55557f6cc6a0, 24 [pid 5184] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5185] <... set_robust_list resumed>) = 0 [pid 5184] <... openat resumed>) = 3 [pid 5184] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x55557f6cc6a0, 24 [pid 5185] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5184] close(3) = 0 [pid 5183] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5186 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] <... openat resumed>) = 3 [pid 5184] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5183] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5186] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5186] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5186] close(3) = 0 [pid 5186] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached ./strace-static-x86_64: Process 5188 attached [pid 5188] set_robust_list(0x55557f6cc6a0, 24 [pid 5187] set_robust_list(0x55557f6cc6a0, 24 [pid 5186] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5188 ./strace-static-x86_64: Process 5189 attached [pid 5188] <... set_robust_list resumed>) = 0 [pid 5185] ioctl(3, LOOP_CLR_FD [pid 5189] set_robust_list(0x55557f6cc6a0, 24 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... set_robust_list resumed>) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5185] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5188] <... prctl resumed>) = 0 [pid 5187] <... prctl resumed>) = 0 [pid 5188] setpgid(0, 0 [pid 5187] setpgid(0, 0 [pid 5188] <... setpgid resumed>) = 0 [pid 5187] <... setpgid resumed>) = 0 executing program [pid 5183] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5189 [pid 5189] <... openat resumed>) = 3 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5185] close(3 [pid 5184] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5187 [pid 5188] <... openat resumed>) = 3 [pid 5187] <... openat resumed>) = 3 [pid 5189] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5187] write(3, "1000", 4) = 4 [pid 5188] write(3, "1000", 4 [pid 5187] close(3 [pid 5183] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] <... close resumed>) = 0 [pid 5189] close(3 [pid 5188] <... write resumed>) = 4 [pid 5187] write(1, "executing program\n", 18 [pid 5185] <... close resumed>) = 0 [pid 5189] <... close resumed>) = 0 [pid 5188] close(3 [pid 5187] <... write resumed>) = 18 [pid 5189] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] <... close resumed>) = 0 [pid 5187] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5190 attached [pid 5188] write(1, "executing program\n", 18 [pid 5187] <... futex resumed>) = 0 executing program [pid 5185] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5188] <... write resumed>) = 18 [pid 5187] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5191] set_robust_list(0x55557f6cc6a0, 24 [pid 5190] set_robust_list(0x55557f6cc6a0, 24 [pid 5188] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5191] <... set_robust_list resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5191 [pid 5188] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5192 attached [pid 5183] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5190 [pid 5191] <... prctl resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5188] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5187] <... mmap resumed>) = 0x7f0397dd0000 [pid 5191] setpgid(0, 0 [pid 5188] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5185] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5192 [pid 5192] set_robust_list(0x55557f6cc6a0, 24 [pid 5191] <... setpgid resumed>) = 0 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5190] <... openat resumed>) = 3 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5187] <... mprotect resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... set_robust_list resumed>) = 0 [pid 5191] <... openat resumed>) = 3 [pid 5191] write(3, "1000", 4 [pid 5188] <... mmap resumed>) = 0x7f0397dd0000 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5191] <... write resumed>) = 4 [pid 5188] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5191] close(3 [pid 5188] <... mprotect resumed>) = 0 [pid 5191] <... close resumed>) = 0 [pid 5188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 5191] write(1, "executing program\n", 18 [pid 5190] ioctl(3, LOOP_CLR_FD [pid 5188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0}./strace-static-x86_64: Process 5193 attached [pid 5192] <... prctl resumed>) = 0 [pid 5191] <... write resumed>) = 18 [pid 5190] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0} [pid 5193] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053 [pid 5192] setpgid(0, 0 [pid 5191] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... rseq resumed>) = 0 [pid 5192] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5194 attached [pid 5193] set_robust_list(0x7f0397df09a0, 24 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... clone3 resumed> => {parent_tid=[5194]}, 88) = 5194 [pid 5194] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5190] close(3 [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... rseq resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... openat resumed>) = 3 [pid 5191] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5190] <... close resumed>) = 0 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] set_robust_list(0x7f0397df09a0, 24 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5190] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... clone3 resumed> => {parent_tid=[5193]}, 88) = 5193 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] write(3, "1000", 4 [pid 5191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5188] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5195 attached [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... write resumed>) = 4 [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] set_robust_list(0x55557f6cc6a0, 24 [pid 5191] <... mmap resumed>) = 0x7f0397dd0000 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] close(3 [pid 5191] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5190] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5195 [pid 5187] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5194] memfd_create("syzkaller", 0 [pid 5193] <... futex resumed>) = 0 [pid 5192] <... close resumed>) = 0 [pid 5191] <... mprotect resumed>) = 0 [pid 5187] <... futex resumed>) = 1 [pid 5195] <... prctl resumed>) = 0 executing program [pid 5194] <... memfd_create resumed>) = 3 [pid 5193] memfd_create("syzkaller", 0 [pid 5192] write(1, "executing program\n", 18 [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] setpgid(0, 0 [pid 5193] <... memfd_create resumed>) = 3 [pid 5195] <... setpgid resumed>) = 0 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] <... write resumed>) = 18 [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5193] <... mmap resumed>) = 0x7f038f800000 [pid 5192] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0}./strace-static-x86_64: Process 5196 attached [pid 5195] <... openat resumed>) = 3 [pid 5194] <... mmap resumed>) = 0x7f038f800000 [pid 5193] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5192] <... futex resumed>) = 0 [pid 5196] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053) = 0 [pid 5196] set_robust_list(0x7f0397df09a0, 24 [pid 5195] write(3, "1000", 4 [pid 5191] <... clone3 resumed> => {parent_tid=[5196]}, 88) = 5196 executing program [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] <... write resumed>) = 4 [pid 5194] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5193] <... write resumed>) = 65536 [pid 5192] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] close(3 [pid 5192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... close resumed>) = 0 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] write(1, "executing program\n", 18 [pid 5193] munmap(0x7f038f800000, 138412032 [pid 5191] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... write resumed>) = 18 [pid 5193] <... munmap resumed>) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5191] <... futex resumed>) = 1 [pid 5196] memfd_create("syzkaller", 0 [pid 5195] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... memfd_create resumed>) = 3 [pid 5191] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5194] <... write resumed>) = 65536 [pid 5196] <... mmap resumed>) = 0x7f038f800000 [pid 5195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5196] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5194] munmap(0x7f038f800000, 138412032 [pid 5193] <... openat resumed>) = 4 [pid 5192] <... mmap resumed>) = 0x7f0397dd0000 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5196] <... write resumed>) = 65536 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] <... munmap resumed>) = 0 [pid 5193] ioctl(4, LOOP_SET_FD, 3 [pid 5192] <... mprotect resumed>) = 0 [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] <... mmap resumed>) = 0x7f0397dd0000 [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] munmap(0x7f038f800000, 138412032 [pid 5195] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5194] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5193] <... ioctl resumed>) = 0 [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0} [pid 5196] <... munmap resumed>) = 0 [pid 5195] <... mprotect resumed>) = 0 [pid 5194] <... openat resumed>) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3 [pid 5192] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5192] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5198 attached [pid 5192] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0} [pid 5196] <... openat resumed>) = 4 [pid 5194] <... ioctl resumed>) = 0 [pid 5198] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053) = 0 [pid 5196] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5199 attached [pid 5198] set_robust_list(0x7f0397df09a0, 24) = 0 [pid 5195] <... clone3 resumed> => {parent_tid=[5199]}, 88) = 5199 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 163.284546][ T5193] loop0: detected capacity change from 0 to 128 [ 163.303023][ T5194] loop2: detected capacity change from 0 to 128 [pid 5198] memfd_create("syzkaller", 0 [pid 5195] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... memfd_create resumed>) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5195] <... futex resumed>) = 0 [pid 5198] <... mmap resumed>) = 0x7f038f800000 [pid 5195] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053 [pid 5198] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5199] <... rseq resumed>) = 0 [pid 5196] <... ioctl resumed>) = 0 [pid 5193] close(3 [pid 5198] <... write resumed>) = 65536 [pid 5193] <... close resumed>) = 0 [pid 5193] close(4 [pid 5198] munmap(0x7f038f800000, 138412032 [pid 5193] <... close resumed>) = 0 [pid 5199] set_robust_list(0x7f0397df09a0, 24 [pid 5198] <... munmap resumed>) = 0 [pid 5193] mkdir("./file0", 0777 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5194] close(3 [pid 5193] <... mkdir resumed>) = 0 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... close resumed>) = 0 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5194] close(4 [pid 5199] memfd_create("syzkaller", 0 [pid 5198] <... openat resumed>) = 4 [pid 5194] <... close resumed>) = 0 [pid 5198] ioctl(4, LOOP_SET_FD, 3 [pid 5196] close(3 [pid 5199] <... memfd_create resumed>) = 3 [pid 5196] <... close resumed>) = 0 [pid 5194] mkdir("./file0", 0777 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5196] close(4) = 0 [ 163.325415][ T5196] loop3: detected capacity change from 0 to 128 [pid 5193] mount("/dev/loop0", "./file0", "vfat", MS_NOATIME, "" [pid 5199] <... mmap resumed>) = 0x7f038f800000 [pid 5196] mkdir("./file0", 0777 [pid 5194] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5196] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5194] mount("/dev/loop2", "./file0", "vfat", MS_NOATIME, "" [pid 5196] mount("/dev/loop3", "./file0", "vfat", MS_NOATIME, "" [pid 5198] <... ioctl resumed>) = 0 [pid 5199] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5196] <... mount resumed>) = 0 [pid 5193] <... mount resumed>) = 0 [pid 5196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5196] <... openat resumed>) = 3 [pid 5193] <... openat resumed>) = 3 [pid 5193] chdir("./file0" [pid 5196] chdir("./file0" [pid 5193] <... chdir resumed>) = 0 [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5196] <... chdir resumed>) = 0 [pid 5193] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5193] <... futex resumed>) = 1 [pid 5196] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5193] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... futex resumed>) = 0 [pid 5196] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 1 [pid 5198] close(3 [pid 5199] <... write resumed>) = 65536 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5191] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] munmap(0x7f038f800000, 138412032 [pid 5198] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5194] <... mount resumed>) = 0 [pid 5193] <... openat resumed>) = 4 [pid 5191] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] close(4 [pid 5199] <... munmap resumed>) = 0 [pid 5196] <... openat resumed>) = 4 [pid 5194] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5199] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5198] <... close resumed>) = 0 [pid 5193] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... openat resumed>) = 4 [ 163.375251][ T5198] loop1: detected capacity change from 0 to 128 [pid 5198] mkdir("./file0", 0777 [pid 5196] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... openat resumed>) = 3 [pid 5193] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5199] ioctl(4, LOOP_SET_FD, 3 [pid 5198] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5196] <... futex resumed>) = 1 [pid 5194] chdir("./file0" [pid 5193] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] mount("/dev/loop1", "./file0", "vfat", MS_NOATIME, "" [pid 5196] mkdir(".", 0777 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 0 [pid 5196] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5193] mkdir(".", 0777 [pid 5191] <... futex resumed>) = 0 [pid 5199] <... ioctl resumed>) = 0 [pid 5194] <... chdir resumed>) = 0 [pid 5193] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5191] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5187] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] close(3 [pid 5196] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5194] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5193] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5199] <... close resumed>) = 0 [pid 5194] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5199] close(4 [pid 5198] <... mount resumed>) = 0 [pid 5196] <... mount resumed>) = 0 [pid 5194] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mount resumed>) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5199] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5194] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] <... futex resumed>) = 0 [pid 5199] mkdir("./file0", 0777 [pid 5198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5196] <... openat resumed>) = 5 [pid 5193] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5199] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5198] <... openat resumed>) = 3 [pid 5188] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] mount("/dev/loop4", "./file0", "vfat", MS_NOATIME, "" [pid 5198] chdir("./file0" [pid 5193] <... openat resumed>) = 5 [pid 5198] <... chdir resumed>) = 0 [pid 5196] chdir("." [pid 5194] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5198] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5196] <... chdir resumed>) = 0 [pid 5193] chdir("." [pid 5198] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5196] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5188] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 1 [pid 5193] <... chdir resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5198] <... futex resumed>) = 1 [pid 5196] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... openat resumed>) = 4 [pid 5193] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [ 163.443104][ T5199] loop4: detected capacity change from 0 to 128 [pid 5198] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 1 [pid 5192] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x20000140 [pid 5193] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] <... mount resumed>) = 0 [pid 5198] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5194] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5194] <... futex resumed>) = 1 [pid 5193] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x20000140 [pid 5188] <... futex resumed>) = 0 [pid 5199] <... openat resumed>) = 3 [pid 5194] mkdir(".", 0777 [pid 5188] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 0 [pid 5199] chdir("./file0" [pid 5198] <... openat resumed>) = 4 [pid 5194] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] <... chdir resumed>) = 0 [pid 5198] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5188] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5198] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5198] mkdir(".", 0777 [pid 5194] <... mount resumed>) = 0 [pid 5192] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5199] <... futex resumed>) = 1 [pid 5198] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5195] <... futex resumed>) = 0 [pid 5194] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5192] <... futex resumed>) = 0 [pid 5199] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5198] <... mount resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... openat resumed>) = 5 [pid 5192] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5198] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5195] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] chdir("." [pid 5199] <... openat resumed>) = 4 [pid 5198] <... openat resumed>) = 5 [pid 5194] <... chdir resumed>) = 0 [pid 5198] chdir(".") = 0 [pid 5194] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] <... futex resumed>) = 0 [pid 5199] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 1 [pid 5198] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x20000140 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x20000140 [pid 5192] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5191] <... mmap resumed>) = 0x7f0397daf000 [pid 5188] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] mkdir(".", 0777 [pid 5195] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] mprotect(0x7f0397db0000, 131072, PROT_READ|PROT_WRITE [pid 5187] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5199] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5191] <... mprotect resumed>) = 0 [pid 5187] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] mount(NULL, ".", 0x20000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] <... futex resumed>) = 0 [pid 5199] <... mount resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5199] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dcf990, parent_tid=0x7f0397dcf990, exit_signal=0, stack=0x7f0397daf000, stack_size=0x20300, tls=0x7f0397dcf6c0}./strace-static-x86_64: Process 5200 attached [pid 5199] <... openat resumed>) = 5 [pid 5187] <... mmap resumed>) = 0x7f0397daf000 [pid 5200] rseq(0x7f0397dcffe0, 0x20, 0, 0x53053053 [pid 5191] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5187] mprotect(0x7f0397db0000, 131072, PROT_READ|PROT_WRITE [pid 5200] <... rseq resumed>) = 0 [pid 5199] chdir("." [pid 5200] set_robust_list(0x7f0397dcf9a0, 24 [pid 5199] <... chdir resumed>) = 0 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5187] <... mprotect resumed>) = 0 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x20000140 [pid 5195] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5195] <... futex resumed>) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5191] <... futex resumed>) = 0 [pid 5195] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... mmap resumed>) = 0x7f0397daf000 [pid 5188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dcf990, parent_tid=0x7f0397dcf990, exit_signal=0, stack=0x7f0397daf000, stack_size=0x20300, tls=0x7f0397dcf6c0} [pid 5192] mprotect(0x7f0397db0000, 131072, PROT_READ|PROT_WRITE [pid 5191] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5201 attached [pid 5192] <... mprotect resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5200] <... open resumed>) = 6 [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] rseq(0x7f0397dcffe0, 0x20, 0, 0x53053053 [pid 5188] <... mmap resumed>) = 0x7f0397daf000 [pid 5201] <... rseq resumed>) = 0 [pid 5201] set_robust_list(0x7f0397dcf9a0, 24 [pid 5188] mprotect(0x7f0397db0000, 131072, PROT_READ|PROT_WRITE [pid 5201] <... set_robust_list resumed>) = 0 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5188] <... mprotect resumed>) = 0 [pid 5187] <... clone3 resumed> => {parent_tid=[5201]}, 88) = 5201 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dcf990, parent_tid=0x7f0397dcf990, exit_signal=0, stack=0x7f0397daf000, stack_size=0x20300, tls=0x7f0397dcf6c0}./strace-static-x86_64: Process 5202 attached [pid 5201] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] rseq(0x7f0397dcffe0, 0x20, 0, 0x53053053 [pid 5200] <... futex resumed>) = 1 [pid 5192] <... clone3 resumed> => {parent_tid=[5202]}, 88) = 5202 [pid 5191] <... futex resumed>) = 0 [pid 5188] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5202] <... rseq resumed>) = 0 [pid 5200] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] set_robust_list(0x7f0397dcf9a0, 24 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dcf990, parent_tid=0x7f0397dcf990, exit_signal=0, stack=0x7f0397daf000, stack_size=0x20300, tls=0x7f0397dcf6c0} [pid 5187] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5203 attached [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5200] memfd_create("syzkaller", 0 [pid 5195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5187] <... futex resumed>) = 1 [pid 5203] rseq(0x7f0397dcffe0, 0x20, 0, 0x53053053 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5200] <... memfd_create resumed>) = 7 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5188] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5187] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] <... rseq resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... open resumed>) = 6 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] set_robust_list(0x7f0397dcf9a0, 24 [pid 5202] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5201] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... mmap resumed>) = 0x7f038f800000 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] <... set_robust_list resumed>) = 0 [pid 5201] <... futex resumed>) = 1 [pid 5195] <... mmap resumed>) = 0x7f0397daf000 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] mprotect(0x7f0397db0000, 131072, PROT_READ|PROT_WRITE [pid 5188] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = 0 [pid 5203] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5201] memfd_create("syzkaller", 0 [pid 5187] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5203] <... open resumed>) = 6 [pid 5202] <... open resumed>) = 6 [pid 5201] <... memfd_create resumed>) = 7 [pid 5200] write(7, "\x60\x1c\x6d\x6b\x64\x20\x00\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5195] <... mprotect resumed>) = 0 [pid 5202] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5203] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... mmap resumed>) = 0x7f038f800000 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5203] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... futex resumed>) = 1 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dcf990, parent_tid=0x7f0397dcf990, exit_signal=0, stack=0x7f0397daf000, stack_size=0x20300, tls=0x7f0397dcf6c0} [pid 5192] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5202] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... write resumed>) = 131072 [pid 5188] <... futex resumed>) = 1 [pid 5204] rseq(0x7f0397dcffe0, 0x20, 0, 0x53053053 [pid 5203] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] <... rseq resumed>) = 0 [pid 5202] memfd_create("syzkaller", 0 [pid 5201] write(7, "\x60\x1c\x6d\x6b\x64\x20\x00\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5200] munmap(0x7f038f800000, 138412032 [pid 5195] <... clone3 resumed> => {parent_tid=[5204]}, 88) = 5204 [pid 5192] <... futex resumed>) = 0 [pid 5204] set_robust_list(0x7f0397dcf9a0, 24 [pid 5203] memfd_create("syzkaller", 0 [pid 5202] <... memfd_create resumed>) = 7 [pid 5200] <... munmap resumed>) = 0 [pid 5192] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... memfd_create resumed>) = 7 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5201] <... write resumed>) = 131072 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5202] <... mmap resumed>) = 0x7f038f800000 [pid 5201] munmap(0x7f038f800000, 138412032 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] <... mmap resumed>) = 0x7f038f800000 [pid 5202] write(7, "\x60\x1c\x6d\x6b\x64\x20\x00\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5200] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5204] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] write(7, "\x60\x1c\x6d\x6b\x64\x20\x00\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5201] <... munmap resumed>) = 0 [pid 5195] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... write resumed>) = 131072 [pid 5202] <... write resumed>) = 131072 [pid 5201] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5200] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5195] <... futex resumed>) = 0 [pid 5204] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5200] close(7) = 0 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] munmap(0x7f038f800000, 138412032 [pid 5200] mount("/dev/loop3", "./bus", NULL, MS_BIND, NULL [pid 5191] <... futex resumed>) = 0 [pid 5201] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5201] close(7 [pid 5200] <... mount resumed>) = 0 [pid 5191] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... open resumed>) = 6 [pid 5202] <... munmap resumed>) = 0 [pid 5204] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] munmap(0x7f038f800000, 138412032 [pid 5202] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5200] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... munmap resumed>) = 0 [pid 5202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5200] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5202] close(7 [pid 5200] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... close resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... futex resumed>) = 0 [pid 5200] open("./bus", O_RDONLY [pid 5204] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5195] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] memfd_create("syzkaller", 0 [pid 5191] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5204] <... memfd_create resumed>) = 7 [pid 5201] <... close resumed>) = 0 [pid 5200] <... open resumed>) = 7 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5203] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5202] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... mmap resumed>) = 0x7f038f800000 [pid 5203] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5202] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 1 [pid 5200] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5204] write(7, "\x60\x1c\x6d\x6b\x64\x20\x00\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072 [pid 5203] close(7 [pid 5202] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5203] <... close resumed>) = 0 [pid 5202] mount("/dev/loop1", "./bus", NULL, MS_BIND, NULL [pid 5201] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL [pid 5200] ioctl(7, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x65676170, lo_encrypt_type=0x3532313d /* LO_CRYPT_??? */, lo_encrypt_key_size=1869491253, lo_flags=LO_FLAGS_USE_AOPS|LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|0x746d7560, lo_name="ail=0,", lo_encrypt_key="\x89\x88\xad\x27\xaf\xe2\xcd\x7f\x40\x70\xd9\x63\x6f\x05\xf5\x1f\xe8\xc5\x5b\xbd\x78\xf1\xd6\x4b\x41\xd0\x22\xe2\xc8\x4c\x66\xda", ...} [pid 5192] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = 0 [pid 5203] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... mount resumed>) = 0 [pid 5201] <... mount resumed>) = 0 [pid 5204] <... write resumed>) = 131072 [pid 5203] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] munmap(0x7f038f800000, 138412032 [pid 5203] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... munmap resumed>) = 0 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] mount("/dev/loop2", "./bus", NULL, MS_BIND, NULL [pid 5202] <... futex resumed>) = 1 [pid 5201] open("./bus", O_RDONLY [pid 5192] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] <... futex resumed>) = 0 [pid 5204] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5203] <... mount resumed>) = 0 [pid 5202] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] <... open resumed>) = 7 [pid 5192] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5203] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5204] close(7 [pid 5203] <... futex resumed>) = 1 [pid 5202] open("./bus", O_RDONLY [pid 5201] <... futex resumed>) = 1 [pid 5192] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5204] <... close resumed>) = 0 [pid 5203] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... open resumed>) = 7 [pid 5201] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] <... ioctl resumed>) = 0 [pid 5204] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 1 [pid 5202] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] mount("/dev/loop4", "./bus", NULL, MS_BIND, NULL [pid 5203] <... futex resumed>) = 0 [pid 5202] <... futex resumed>) = 1 [pid 5201] ioctl(7, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x65676170, lo_encrypt_type=0x3532313d /* LO_CRYPT_??? */, lo_encrypt_key_size=1869491253, lo_flags=LO_FLAGS_USE_AOPS|LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|0x746d7560, lo_name="ail=0,", lo_encrypt_key="\x89\x88\xad\x27\xaf\xe2\xcd\x7f\x40\x70\xd9\x63\x6f\x05\xf5\x1f\xe8\xc5\x5b\xbd\x78\xf1\xd6\x4b\x41\xd0\x22\xe2\xc8\x4c\x66\xda", ...} [pid 5195] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5203] open("./bus", O_RDONLY [pid 5202] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... futex resumed>) = 0 [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... mount resumed>) = 0 [pid 5203] <... open resumed>) = 7 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5191] <... mmap resumed>) = 0x7f0397d8e000 [pid 5192] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] mprotect(0x7f0397d8f000, 131072, PROT_READ|PROT_WRITE [pid 5203] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5191] <... mprotect resumed>) = 0 [pid 5204] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 1 [ 163.971732][ T5200] loop3: detected capacity change from 128 to 0 [pid 5202] ioctl(7, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x65676170, lo_encrypt_type=0x3532313d /* LO_CRYPT_??? */, lo_encrypt_key_size=1869491253, lo_flags=LO_FLAGS_USE_AOPS|LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|0x746d7560, lo_name="ail=0,", lo_encrypt_key="\x89\x88\xad\x27\xaf\xe2\xcd\x7f\x40\x70\xd9\x63\x6f\x05\xf5\x1f\xe8\xc5\x5b\xbd\x78\xf1\xd6\x4b\x41\xd0\x22\xe2\xc8\x4c\x66\xda", ...} [pid 5200] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5188] <... futex resumed>) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5203] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5188] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] open("./bus", O_RDONLY [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dae990, parent_tid=0x7f0397dae990, exit_signal=0, stack=0x7f0397d8e000, stack_size=0x20300, tls=0x7f0397dae6c0} [pid 5188] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5205 attached [pid 5204] <... open resumed>) = 7 [pid 5203] ioctl(7, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x65676170, lo_encrypt_type=0x3532313d /* LO_CRYPT_??? */, lo_encrypt_key_size=1869491253, lo_flags=LO_FLAGS_USE_AOPS|LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|0x746d7560, lo_name="ail=0,", lo_encrypt_key="\x89\x88\xad\x27\xaf\xe2\xcd\x7f\x40\x70\xd9\x63\x6f\x05\xf5\x1f\xe8\xc5\x5b\xbd\x78\xf1\xd6\x4b\x41\xd0\x22\xe2\xc8\x4c\x66\xda", ...} [pid 5195] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] rseq(0x7f0397daefe0, 0x20, 0, 0x53053053 [pid 5191] <... clone3 resumed> => {parent_tid=[5205]}, 88) = 5205 [pid 5205] <... rseq resumed>) = 0 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] set_robust_list(0x7f0397dae9a0, 24 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 164.037572][ T5201] loop0: detected capacity change from 128 to 0 [ 164.052964][ T5196] syz-executor818: attempt to access beyond end of device [ 164.052964][ T5196] loop0: rw=1, sector=32, nr_sectors = 1 limit=0 [ 164.053508][ T5202] loop1: detected capacity change from 128 to 0 [ 164.066742][ T5196] Buffer I/O error on dev loop0, logical block 32, lost sync page write [pid 5204] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5191] futex(0x7f0397ec0628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] <... futex resumed>) = 0 [ 164.081602][ T5198] syz-executor818: attempt to access beyond end of device [ 164.081602][ T5198] loop1: rw=1, sector=32, nr_sectors = 1 limit=0 [ 164.081797][ T5196] syz-executor818: attempt to access beyond end of device [ 164.081797][ T5196] loop0: rw=0, sector=32, nr_sectors = 1 limit=0 [ 164.095418][ T5198] Buffer I/O error on dev loop1, logical block 32, lost sync page write [ 164.108764][ T5196] FAT-fs (loop0): FAT read failed (blocknr 32) [ 164.117218][ T5198] syz-executor818: attempt to access beyond end of device [ 164.117218][ T5198] loop1: rw=0, sector=32, nr_sectors = 1 limit=0 [pid 5187] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7f0397ec0618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0397ec062c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5187] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 0 [pid 5195] futex(0x7f0397ec061c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5201] <... ioctl resumed>) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... mmap resumed>) = 0x7f0397d8e000 [pid 5201] <... futex resumed>) = 0 [pid 5192] mprotect(0x7f0397d8f000, 131072, PROT_READ|PROT_WRITE [pid 5201] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] <... mprotect resumed>) = 0 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] <... mmap resumed>) = 0x7f0397d8e000 [pid 5187] mprotect(0x7f0397d8f000, 131072, PROT_READ|PROT_WRITE [pid 5205] rename("./file2", "./file1" [pid 5187] <... mprotect resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dae990, parent_tid=0x7f0397dae990, exit_signal=0, stack=0x7f0397d8e000, stack_size=0x20300, tls=0x7f0397dae6c0} [pid 5187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dae990, parent_tid=0x7f0397dae990, exit_signal=0, stack=0x7f0397d8e000, stack_size=0x20300, tls=0x7f0397dae6c0} => {parent_tid=[5207]}, 88) = 5207 [ 164.137437][ T5198] FAT-fs (loop1): FAT read failed (blocknr 32) [ 164.164463][ T5205] syz-executor818: attempt to access beyond end of device [ 164.164463][ T5205] loop0: rw=2049, sector=34, nr_sectors = 1 limit=0 [ 164.178775][ T5205] Buffer I/O error on dev loop0, logical block 34, lost sync page write [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... rename resumed>) = -1 EIO (Input/output error) [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... mmap resumed>) = 0x7f0397d8e000 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5187] futex(0x7f0397ec0628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5187] futex(0x7f0397ec062c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] futex(0x7f0397ec0628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5192] futex(0x7f0397ec062c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5207 attached [pid 5207] rseq(0x7f0397daefe0, 0x20, 0, 0x53053053) = 0 [pid 5207] set_robust_list(0x7f0397dae9a0, 24) = 0 ./strace-static-x86_64: Process 5208 attached [pid 5207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5207] rename("./file2", "./file1" [ 164.181328][ T5193] syz-executor818: attempt to access beyond end of device [ 164.181328][ T5193] loop0: rw=0, sector=32, nr_sectors = 1 limit=0 [ 164.200915][ T5193] FAT-fs (loop0): FAT read failed (blocknr 32) [ 164.201041][ T5207] syz-executor818: attempt to access beyond end of device [ 164.201041][ T5207] loop0: rw=0, sector=34, nr_sectors = 1 limit=0 [ 164.221275][ T5207] FAT-fs (loop0): Directory bread(block 34) failed [ 164.228429][ T5207] syz-executor818: attempt to access beyond end of device [pid 5195] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] rseq(0x7f0397daefe0, 0x20, 0, 0x53053053 [pid 5204] ioctl(7, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x65676170, lo_encrypt_type=0x3532313d /* LO_CRYPT_??? */, lo_encrypt_key_size=1869491253, lo_flags=LO_FLAGS_USE_AOPS|LO_FLAGS_AUTOCLEAR|LO_FLAGS_PARTSCAN|0x746d7560, lo_name="ail=0,", lo_encrypt_key="\x89\x88\xad\x27\xaf\xe2\xcd\x7f\x40\x70\xd9\x63\x6f\x05\xf5\x1f\xe8\xc5\x5b\xbd\x78\xf1\xd6\x4b\x41\xd0\x22\xe2\xc8\x4c\x66\xda", ...} [pid 5195] <... futex resumed>) = 0 [pid 5193] <... ioctl resumed>) = -1 EIO (Input/output error) [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] mprotect(0x7f0397d8f000, 131072, PROT_READ|PROT_WRITE [pid 5187] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5208] <... rseq resumed>) = 0 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] <... mprotect resumed>) = 0 [pid 5188] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5208] set_robust_list(0x7f0397dae9a0, 24 [pid 5195] <... mmap resumed>) = 0x7f0397d8e000 [ 164.228429][ T5207] loop0: rw=0, sector=40, nr_sectors = 1 limit=0 [ 164.242215][ T5207] FAT-fs (loop0): Directory bread(block 40) failed [ 164.263834][ T5203] loop2: detected capacity change from 128 to 0 [ 164.274056][ T5194] syz-executor818: attempt to access beyond end of device [ 164.274056][ T5194] loop2: rw=1, sector=32, nr_sectors = 1 limit=0 [pid 5188] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dae990, parent_tid=0x7f0397dae990, exit_signal=0, stack=0x7f0397d8e000, stack_size=0x20300, tls=0x7f0397dae6c0}./strace-static-x86_64: Process 5210 attached [pid 5208] <... set_robust_list resumed>) = 0 [pid 5202] <... ioctl resumed>) = 0 [pid 5195] mprotect(0x7f0397d8f000, 131072, PROT_READ|PROT_WRITE [pid 5210] rseq(0x7f0397daefe0, 0x20, 0, 0x53053053 [pid 5195] <... mprotect resumed>) = 0 [pid 5188] <... clone3 resumed> => {parent_tid=[5210]}, 88) = 5210 [pid 5210] <... rseq resumed>) = 0 [pid 5208] rt_sigprocmask(SIG_SETMASK, [], [pid 5203] <... ioctl resumed>) = 0 [pid 5196] <... ioctl resumed>) = -1 EIO (Input/output error) [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] set_robust_list(0x7f0397dae9a0, 24 [pid 5205] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5188] futex(0x7f0397ec0628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] <... futex resumed>) = 0 [pid 5203] futex(0x7f0397ec061c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5196] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [ 164.287906][ T5194] Buffer I/O error on dev loop2, logical block 32, lost sync page write [ 164.296662][ T5194] syz-executor818: attempt to access beyond end of device [ 164.296662][ T5194] loop2: rw=0, sector=32, nr_sectors = 1 limit=0 [ 164.310450][ T5194] FAT-fs (loop2): FAT read failed (blocknr 32) [ 164.335698][ T5210] FAT-fs (loop2): Directory bread(block 33) failed [ 164.336613][ T5208] FAT-fs (loop1): Directory bread(block 33) failed [ 164.343119][ T5210] FAT-fs (loop2): Directory bread(block 34) failed [ 164.349065][ T5208] FAT-fs (loop1): Directory bread(block 34) failed [ 164.355963][ T5210] FAT-fs (loop2): Directory bread(block 35) failed [ 164.362589][ T5208] FAT-fs (loop1): Directory bread(block 35) failed [ 164.369121][ T5210] FAT-fs (loop2): Directory bread(block 36) failed [ 164.375756][ T5208] FAT-fs (loop1): Directory bread(block 36) failed [ 164.382518][ T5210] FAT-fs (loop2): Directory bread(block 37) failed [ 164.389030][ T5208] FAT-fs (loop1): Directory bread(block 37) failed [ 164.395688][ T5210] FAT-fs (loop2): Directory bread(block 38) failed [ 164.402260][ T5208] FAT-fs (loop1): Directory bread(block 38) failed [ 164.408825][ T5210] FAT-fs (loop2): Directory bread(block 39) failed [ 164.415747][ T5208] FAT-fs (loop1): Directory bread(block 39) failed [ 164.422075][ T5210] FAT-fs (loop2): Directory bread(block 40) failed [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7f0397ec062c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] futex(0x7f0397ec0628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = 0 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397dae990, parent_tid=0x7f0397dae990, exit_signal=0, stack=0x7f0397d8e000, stack_size=0x20300, tls=0x7f0397dae6c0} [pid 5210] rename("./file2", "./file1" [pid 5203] futex(0x7f0397ec0618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] exit_group(0 [pid 5208] rename("./file2", "./file1"./strace-static-x86_64: Process 5211 attached [pid 5205] <... futex resumed>) = ? [pid 5198] <... ioctl resumed>) = -1 EIO (Input/output error) [pid 5195] <... clone3 resumed> => {parent_tid=[5211]}, 88) = 5211 [pid 5193] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... exit_group resumed>) = ? [pid 5188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5198] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5205] +++ exited with 0 +++ [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] rseq(0x7f0397daefe0, 0x20, 0, 0x53053053) = 0 [pid 5198] <... futex resumed>) = 0 [pid 5194] <... ioctl resumed>) = -1 EIO (Input/output error) [pid 5198] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] set_robust_list(0x7f0397dae9a0, 24 [pid 5194] <... futex resumed>) = 0 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5195] futex(0x7f0397ec0628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5188] exit_group(0 [pid 5210] <... futex resumed>) = 0 [pid 5195] futex(0x7f0397ec062c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... exit_group resumed>) = ? [pid 5194] <... futex resumed>) = ? [pid 5194] +++ exited with 0 +++ [ 164.428586][ T5208] FAT-fs (loop1): Directory bread(block 40) failed [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] <... futex resumed>) = ? [pid 5203] +++ exited with 0 +++ [pid 5211] rename("./file2", "./file1" [pid 5210] +++ exited with 0 +++ [pid 5196] <... futex resumed>) = ? [pid 5188] +++ exited with 0 +++ [pid 5196] +++ exited with 0 +++ [pid 5186] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5200] <... futex resumed>) = ? [pid 5200] +++ exited with 0 +++ [pid 5191] +++ exited with 0 +++ [pid 5208] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 164.521059][ T5204] loop4: detected capacity change from 128 to 0 [ 164.529871][ T5211] Buffer I/O error on dev loop4, logical block 34, lost sync page write [ 164.538700][ T5211] FAT-fs (loop4): unable to read inode block for updating (i_pos 548) [ 164.547197][ T5211] ===================================================== [ 164.554515][ T5211] BUG: KMSAN: uninit-value in vfat_rename2+0x3dda/0x3de0 [ 164.561945][ T5211] vfat_rename2+0x3dda/0x3de0 [ 164.566826][ T5211] vfs_rename+0x1d9d/0x2280 [ 164.571692][ T5211] do_renameat2+0x18cc/0x1d50 [ 164.576664][ T5211] __x64_sys_rename+0xe8/0x140 [ 164.581718][ T5211] x64_sys_call+0x1e4d/0x3ba0 [ 164.586627][ T5211] do_syscall_64+0xcd/0x1e0 [ 164.591447][ T5211] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.597575][ T5211] [ 164.599995][ T5211] Local variable sinfo.i created at: [ 164.605538][ T5211] vfat_rename2+0x124/0x3de0 [ 164.610295][ T5211] vfs_rename+0x1d9d/0x2280 [ 164.615123][ T5211] [pid 5208] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... rename resumed>) = -1 ENOENT (No such file or directory) [pid 5189] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5208] <... futex resumed>) = 0 [pid 5207] futex(0x7f0397ec062c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] restart_syscall(<... resuming interrupted clone ...> [pid 5187] exit_group(0 [pid 5208] futex(0x7f0397ec0628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... futex resumed>) = ? [pid 5192] exit_group(0 [pid 5189] <... restart_syscall resumed>) = 0 [pid 5187] <... exit_group resumed>) = ? [pid 5186] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5208] <... futex resumed>) = ? [pid 5207] +++ exited with 0 +++ [pid 5202] <... futex resumed>) = ? [pid 5198] <... futex resumed>) = ? [pid 5192] <... exit_group resumed>) = ? [pid 5186] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5208] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5198] +++ exited with 0 +++ [pid 5186] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5189] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5186] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5214 [ 164.617564][ T5211] CPU: 1 UID: 0 PID: 5211 Comm: syz-executor818 Not tainted 6.11.0-syzkaller-12113-ge7ed34365879 #0 [ 164.628686][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 164.639038][ T5211] ===================================================== [ 164.646196][ T5211] Disabling lock debugging due to kernel taint [ 164.652573][ T5211] Kernel panic - not syncing: kmsan.panic set ... [ 164.659139][ T5211] CPU: 1 UID: 0 PID: 5211 Comm: syz-executor818 Tainted: G B 6.11.0-syzkaller-12113-ge7ed34365879 #0 ./strace-static-x86_64: Process 5214 attached [pid 5189] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached [pid 5215] set_robust_list(0x55557f6cc6a0, 24 [pid 5189] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5215 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] set_robust_list(0x55557f6cc6a0, 24 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] <... set_robust_list resumed>) = 0 [pid 5215] <... prctl resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] setpgid(0, 0 [pid 5214] <... prctl resumed>) = 0 [pid 5215] <... setpgid resumed>) = 0 [pid 5214] setpgid(0, 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... setpgid resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3executing program executing program ) = 0 [pid 5214] write(3, "1000", 4 [pid 5215] write(1, "executing program\n", 18 [pid 5214] <... write resumed>) = 4 [pid 5215] <... write resumed>) = 18 [pid 5214] close(3 [pid 5215] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... close resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5214] write(1, "executing program\n", 18 [pid 5215] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5214] <... write resumed>) = 18 [pid 5215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5214] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [ 164.671597][ T5211] Tainted: [B]=BAD_PAGE [ 164.675872][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 164.686097][ T5211] Call Trace: [ 164.689509][ T5211] [ 164.692569][ T5211] dump_stack_lvl+0x216/0x2d0 [ 164.697474][ T5211] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 164.703484][ T5211] dump_stack+0x1e/0x30 [ 164.707832][ T5211] panic+0x4e2/0xcf0 [ 164.711930][ T5211] ? kmsan_get_metadata+0x41/0x1c0 [ 164.717246][ T5211] kmsan_report+0x2c7/0x2d0 [pid 5215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5214] <... futex resumed>) = 0 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5214] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, [pid 5192] +++ exited with 0 +++ [pid 5215] <... mmap resumed>) = 0x7f0397dd0000 [pid 5214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5215] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5185] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5215] <... mprotect resumed>) = 0 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5185] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5185] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5214] <... mmap resumed>) = 0x7f0397dd0000 [pid 5185] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached [pid 5214] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5185] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5216 [pid 5216] set_robust_list(0x55557f6cc6a0, 24 [pid 5215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0} [pid 5214] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5217 attached [pid 5216] <... set_robust_list resumed>) = 0 [pid 5217] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] <... clone3 resumed> => {parent_tid=[5217]}, 88) = 5217 [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] <... rseq resumed>) = 0 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] <... prctl resumed>) = 0 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] set_robust_list(0x7f0397df09a0, 24 [pid 5216] setpgid(0, 0 [pid 5215] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [ 164.721951][ T5211] ? kmsan_get_metadata+0x13e/0x1c0 [ 164.727349][ T5211] ? _fat_msg+0x1e9/0x200 [ 164.731866][ T5211] ? __msan_warning+0x95/0x120 [ 164.736938][ T5211] ? vfat_rename2+0x3dda/0x3de0 [ 164.741978][ T5211] ? vfs_rename+0x1d9d/0x2280 [ 164.746868][ T5211] ? do_renameat2+0x18cc/0x1d50 [ 164.752194][ T5211] ? __x64_sys_rename+0xe8/0x140 [ 164.757450][ T5211] ? x64_sys_call+0x1e4d/0x3ba0 [ 164.762513][ T5211] ? do_syscall_64+0xcd/0x1e0 [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0}./strace-static-x86_64: Process 5218 attached [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] rseq(0x7f0397df0fe0, 0x20, 0, 0x53053053 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] <... openat resumed>) = 3 [pid 5214] <... clone3 resumed> => {parent_tid=[5218]}, 88) = 5218 [pid 5218] <... rseq resumed>) = 0 [pid 5217] memfd_create("syzkaller", 0 [pid 5218] set_robust_list(0x7f0397df09a0, 24 [pid 5217] <... memfd_create resumed>) = 3 [pid 5216] write(3, "1000", 4 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5216] <... write resumed>) = 4 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] <... mmap resumed>) = 0x7f038f800000 [pid 5214] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5216] close(3 [pid 5214] <... futex resumed>) = 0 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5216] <... close resumed>) = 0 [pid 5214] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5216] write(1, "executing program\n", 18 [pid 5218] <... mmap resumed>) = 0x7f038f800000 [pid 5217] <... write resumed>) = 65536 [pid 5216] <... write resumed>) = 18 [pid 5216] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x08\x20\x00\x01\x00\x00\x00\x00\xf8\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\x0b\xf3\xd9\x1d\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\x09\x00\x00\x00\x00"..., 65536 [pid 5216] <... futex resumed>) = 0 [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7f0397e5f820, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0397e50ed0}, NULL, 8) = 0 [pid 5217] munmap(0x7f038f800000, 138412032 [ 164.767400][ T5211] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.773829][ T5211] ? __fat_write_inode+0xb59/0x1030 [ 164.779253][ T5211] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 164.785831][ T5211] ? kmsan_get_metadata+0x13e/0x1c0 [ 164.791210][ T5211] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 164.797217][ T5211] __msan_warning+0x95/0x120 [ 164.802027][ T5211] vfat_rename2+0x3dda/0x3de0 [ 164.806898][ T5211] ? kmsan_get_metadata+0x13e/0x1c0 [ 164.812293][ T5211] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5218] <... write resumed>) = 65536 [pid 5217] <... munmap resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5218] munmap(0x7f038f800000, 138412032 [pid 5216] <... mmap resumed>) = 0x7f0397dd0000 [pid 5217] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5216] mprotect(0x7f0397dd1000, 131072, PROT_READ|PROT_WRITE [pid 5217] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 164.818301][ T5211] ? __pfx_vfat_rename2+0x10/0x10 [ 164.823513][ T5211] vfs_rename+0x1d9d/0x2280 [ 164.828226][ T5211] ? end_current_label_crit_section+0x124/0x2a0 [ 164.834763][ T5211] do_renameat2+0x18cc/0x1d50 [ 164.839696][ T5211] __x64_sys_rename+0xe8/0x140 [ 164.845119][ T5211] x64_sys_call+0x1e4d/0x3ba0 [ 164.850001][ T5211] do_syscall_64+0xcd/0x1e0 [ 164.854707][ T5211] ? clear_bhb_loop+0x25/0x80 [ 164.859591][ T5211] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.865749][ T5211] RIP: 0033:0x7f0397e39939 [pid 5216] <... mprotect resumed>) = 0 [pid 5201] <... futex resumed>) = ? [pid 5199] <... ioctl resumed>) = -1 EIO (Input/output error) [pid 5193] <... futex resumed>) = ? [pid 5218] <... munmap resumed>) = 0 [pid 5217] close(3 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5201] +++ exited with 0 +++ [pid 5199] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] +++ exited with 0 +++ [pid 5187] +++ exited with 0 +++ [pid 5218] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5217] <... close resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5199] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5218] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0397df0990, parent_tid=0x7f0397df0990, exit_signal=0, stack=0x7f0397dd0000, stack_size=0x20300, tls=0x7f0397df06c0} [pid 5184] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5218] close(3 [pid 5217] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5218] <... close resumed>) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5184] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... clone3 resumed> => {parent_tid=[5219]}, 88) = 5219 [pid 5215] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5220 attached [pid 5218] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] <... futex resumed>) = 0 [pid 5220] set_robust_list(0x55557f6cc6a0, 24 [pid 5218] <... futex resumed>) = 1 [pid 5217] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [ 164.870310][ T5211] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 164.890304][ T5211] RSP: 002b:00007f0397dae218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 164.899003][ T5211] RAX: ffffffffffffffda RBX: 00007f0397ec0628 RCX: 00007f0397e39939 [ 164.907160][ T5211] RDX: 00007f0397e12fd6 RSI: 0000000020000040 RDI: 0000000020000000 [ 164.915293][ T5211] RBP: 00007f0397ec0620 R08: 00007ffe4b07d147 R09: 0000000000000000 [pid 5184] <... clone resumed>, child_tidptr=0x55557f6cc690) = 5220 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5218] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5216] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7f0397ec0608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] futex(0x7f0397ec060c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5220] <... prctl resumed>) = 0 [pid 5218] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_TRUNC|O_NOFOLLOW, 000 [pid 5217] <... futex resumed>) = 1 [pid 5216] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5215] <... futex resumed>) = 0 [pid 5214] futex(0x7f0397ec060c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] setpgid(0, 0 [pid 5218] <... openat resumed>) = -1 EISDIR (Is a directory) [pid 5217] futex(0x7f0397ec0608, FUTEX_WAIT_PRIVATE, 0, NULL [ 164.923438][ T5211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0397e8d6bc [ 164.931661][ T5211] R13: 6f6f6c2f7665642f R14: 0031656c69662f2e R15: 0032656c69662f2e [ 164.939836][ T5211] [ 164.943237][ T5211] Kernel Offset: disabled [ 164.947647][ T5211] Rebooting in 86400 seconds..