./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2425659781 <...> Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts. execve("./syz-executor2425659781", ["./syz-executor2425659781"], 0x7ffe13ddbd80 /* 10 vars */) = 0 brk(NULL) = 0x555576942000 brk(0x555576942d00) = 0x555576942d00 arch_prctl(ARCH_SET_FS, 0x555576942380) = 0 set_tid_address(0x555576942650) = 5224 set_robust_list(0x555576942660, 24) = 0 rseq(0x555576942ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2425659781", 4096) = 28 getrandom("\xe6\x83\xc6\xb0\x7e\xea\x7a\x07", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555576942d00 brk(0x555576963d00) = 0x555576963d00 brk(0x555576964000) = 0x555576964000 mprotect(0x7f92ab32c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x555576942660, 24 [pid 5224] <... clone resumed>, child_tidptr=0x555576942650) = 5225 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] write(1, "executing program\n", 18executing program ) = 18 [pid 5225] creat("./file0", 000) = 3 [pid 5225] pipe2([4, 5], 0) = 0 [pid 5225] write(5, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5225] dup(5) = 6 [pid 5225] write(6, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5225] write(6, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5225] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000004,wfdno=0x0000000000000006") = 0 [pid 5225] chmod("./file0", 000) = 0 [pid 5225] open("./file0", O_WRONLY) = 7 [pid 5225] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 8 [pid 5225] ftruncate(8, 5) = 0 [pid 5225] sendfile(7, 8, NULL, 2147479552) = 5 [pid 5225] exit_group(0) = ? [pid 5225] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached , child_tidptr=0x555576942650) = 5227 [pid 5227] set_robust_list(0x555576942660, 24) = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] write(1, "executing program\n", 18executing program ) = 18 [pid 5227] creat("./file0", 000) = -1 ENOENT (No such file or directory) [pid 5227] pipe2([3, 4], 0) = 0 [pid 5227] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5227] dup(4) = 5 [pid 5227] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5227] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5227] chmod("./file0", 000) = 0 [pid 5227] open("./file0", O_WRONLY) = 6 [pid 5227] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5227] ftruncate(7, 5) = 0 [pid 5227] sendfile(6, 7, NULL, 2147479552) = 1 [pid 5227] exit_group(0) = ? [pid 5227] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x555576942660, 24 [pid 5224] <... clone resumed>, child_tidptr=0x555576942650) = 5228 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 executing program [pid 5228] write(1, "executing program\n", 18) = 18 [pid 5228] creat("./file0", 000) = -1 EIO (Input/output error) [pid 5228] pipe2([3, 4], 0) = 0 [pid 5228] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5228] dup(4) = 5 [pid 5228] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5228] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5228] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5228] chmod("./file0", 000) = 0 [pid 5228] open("./file0", O_WRONLY) = 6 [pid 5228] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5228] ftruncate(7, 5) = 0 [pid 5228] sendfile(6, 7, NULL, 2147479552) = 2 [pid 5228] exit_group(0) = ? [pid 5228] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached , child_tidptr=0x555576942650) = 5229 [pid 5229] set_robust_list(0x555576942660, 24) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] write(1, "executing program\n", 18executing program ) = 18 [pid 5229] creat("./file0", 000) = -1 EIO (Input/output error) [pid 5229] pipe2([3, 4], 0) = 0 [pid 5229] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5229] dup(4) = 5 [pid 5229] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5229] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5229] chmod("./file0", 000) = 0 [pid 5229] open("./file0", O_WRONLY) = 6 [pid 5229] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5229] ftruncate(7, 5) = 0 [pid 5229] sendfile(6, 7, NULL, 2147479552) = 5 [pid 5229] exit_group(0) = ? [pid 5229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached [pid 5230] set_robust_list(0x555576942660, 24 [pid 5224] <... clone resumed>, child_tidptr=0x555576942650) = 5230 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5230] write(3, "1000", 4) = 4 [pid 5230] close(3) = 0 [pid 5230] write(1, "executing program\n", 18executing program ) = 18 [pid 5230] creat("./file0", 000) = -1 ENOENT (No such file or directory) [pid 5230] pipe2([3, 4], 0) = 0 [pid 5230] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5230] dup(4) = 5 [pid 5230] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5230] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5230] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = -1 EIO (Input/output error) [pid 5230] chmod("./file0", 000) = 0 [pid 5230] open("./file0", O_WRONLY) = -1 EFAULT (Bad address) [pid 5230] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5230] ftruncate(6, 5) = 0 [pid 5230] sendfile(-1, 6, NULL, 2147479552) = -1 EBADF (Bad file descriptor) [pid 5230] exit_group(0) = ? [pid 5230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached , child_tidptr=0x555576942650) = 5231 [pid 5231] set_robust_list(0x555576942660, 24) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] setpgid(0, 0) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] write(1, "executing program\n", 18executing program ) = 18 [pid 5231] creat("./file0", 000) = -1 EFAULT (Bad address) [pid 5231] pipe2([3, 4], 0) = 0 [pid 5231] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5231] dup(4) = 5 [pid 5231] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5231] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5231] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5231] chmod("./file0", 000) = 0 [pid 5231] open("./file0", O_WRONLY) = 6 [pid 5231] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5231] ftruncate(7, 5) = 0 [pid 5231] sendfile(6, 7, NULL, 2147479552) = 1 [pid 5231] exit_group(0) = ? [pid 5231] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached , child_tidptr=0x555576942650) = 5232 [pid 5232] set_robust_list(0x555576942660, 24) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] write(1, "executing program\n", 18executing program ) = 18 [pid 5232] creat("./file0", 000) = -1 EIO (Input/output error) [pid 5232] pipe2([3, 4], 0) = 0 [pid 5232] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5232] dup(4) = 5 [pid 5232] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5232] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5232] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5232] chmod("./file0", 000) = 0 [pid 5232] open("./file0", O_WRONLY) = 6 [pid 5232] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5232] ftruncate(7, 5) = 0 [pid 5232] sendfile(6, 7, NULL, 2147479552) = 5 [pid 5232] exit_group(0) = ? [pid 5232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached , child_tidptr=0x555576942650) = 5233 [pid 5233] set_robust_list(0x555576942660, 24) = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0) = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 [pid 5233] write(1, "executing program\n", 18executing program ) = 18 [pid 5233] creat("./file0", 000) = -1 ENOENT (No such file or directory) [pid 5233] pipe2([3, 4], 0) = 0 [pid 5233] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5233] dup(4) = 5 [pid 5233] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5233] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5233] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5233] chmod("./file0", 000) = 0 [pid 5233] open("./file0", O_WRONLY) = -1 EIO (Input/output error) [pid 5233] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 [pid 5233] ftruncate(6, 5) = 0 [pid 5233] sendfile(-1, 6, NULL, 2147479552) = -1 EBADF (Bad file descriptor) [pid 5233] exit_group(0) = ? [pid 5233] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached , child_tidptr=0x555576942650) = 5234 [pid 5234] set_robust_list(0x555576942660, 24) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 executing program [pid 5234] write(1, "executing program\n", 18) = 18 [pid 5234] creat("./file0", 000) = -1 EIO (Input/output error) [pid 5234] pipe2([3, 4], 0) = 0 [pid 5234] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5234] dup(4) = 5 [pid 5234] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5234] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5234] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5234] chmod("./file0", 000) = 0 [pid 5234] open("./file0", O_WRONLY) = 6 [pid 5234] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5234] ftruncate(7, 5) = 0 [pid 5234] sendfile(6, 7, NULL, 2147479552) = 5 [pid 5234] exit_group(0) = ? [pid 5234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x555576942660, 24 [pid 5224] <... clone resumed>, child_tidptr=0x555576942650) = 5235 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setpgid(0, 0) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] write(1, "executing program\n", 18executing program ) = 18 [pid 5235] creat("./file0", 000) = -1 ENOENT (No such file or directory) [pid 5235] pipe2([3, 4], 0) = 0 [pid 5235] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5235] dup(4) = 5 [pid 5235] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5235] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5235] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5235] chmod("./file0", 000) = 0 [pid 5235] open("./file0", O_WRONLY) = 6 [pid 5235] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5235] ftruncate(7, 5) = 0 [pid 5235] sendfile(6, 7, NULL, 2147479552) = 5 [pid 5235] exit_group(0) = ? [pid 5235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached , child_tidptr=0x555576942650) = 5236 [pid 5236] set_robust_list(0x555576942660, 24) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 executing program [pid 5236] close(3) = 0 [pid 5236] write(1, "executing program\n", 18) = 18 [pid 5236] creat("./file0", 000) = -1 ENOENT (No such file or directory) [pid 5236] pipe2([3, 4], 0) = 0 [pid 5236] write(4, "\x15\x00\x00\x00\x65\xff\xff\x04\x80\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x00\x00", 21) = 21 [pid 5236] dup(4) = 5 [pid 5236] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 5236] write(5, "\x4c\x01\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 311) = 311 [pid 5236] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005") = 0 [pid 5236] chmod("./file0", 000) = 0 [pid 5236] open("./file0", O_WRONLY) = 6 [pid 5236] openat(AT_FDCWD, "blkio.bfq.io_wait_time", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5236] ftruncate(7, 5) = 0 [ 78.417857][ T5236] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 78.430650][ T5236] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 78.439046][ T5236] CPU: 0 UID: 0 PID: 5236 Comm: syz-executor242 Not tainted 6.11.0-rc2-syzkaller-00257-g5189dafa4cf9 #0 [ 78.450140][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 78.460179][ T5236] RIP: 0010:iter_file_splice_write+0xdd0/0x14e0 [ 78.466439][ T5236] Code: 00 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 ff e8 72 4e e0 ff 49 c7 07 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 61 4d e0 ff 48 8b 44 24 10 48 8b [ 78.486032][ T5236] RSP: 0018:ffffc900034bf780 EFLAGS: 00010212 [ 78.492087][ T5236] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 78.500052][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7ffffffffffffffa [ 78.508021][ T5236] RBP: ffffc900034bfa10 R08: ffffffff821a7060 R09: 1ffffd40003befd6 [ 78.515980][ T5236] R10: dffffc0000000000 R11: fffff940003befd7 R12: 7ffffffffffffffa [ 78.523939][ T5236] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888023787038 [ 78.531906][ T5236] FS: 0000555576942380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 78.540824][ T5236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.547415][ T5236] CR2: 00007f92ab2d7890 CR3: 0000000024258000 CR4: 0000000000350ef0 [ 78.555391][ T5236] Call Trace: [ 78.558660][ T5236] [ 78.561581][ T5236] ? __die_body+0x88/0xe0 [ 78.565917][ T5236] ? die_addr+0x108/0x140 [ 78.570256][ T5236] ? exc_general_protection+0x3dd/0x5d0 [ 78.575817][ T5236] ? asm_exc_general_protection+0x26/0x30 [ 78.581542][ T5236] ? iter_file_splice_write+0xd50/0x14e0 [ 78.587177][ T5236] ? iter_file_splice_write+0xdd0/0x14e0 [ 78.592824][ T5236] ? __pfx_iter_file_splice_write+0x10/0x10 [ 78.598718][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.604351][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.609977][ T5236] ? rcu_read_lock_any_held+0xb7/0x160 [ 78.615462][ T5236] ? __pfx_iter_file_splice_write+0x10/0x10 [ 78.621355][ T5236] direct_splice_actor+0x120/0x220 [ 78.626553][ T5236] splice_direct_to_actor+0x590/0xc90 [ 78.631918][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.637552][ T5236] ? __pfx_direct_splice_actor+0x10/0x10 [ 78.643180][ T5236] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 78.649075][ T5236] do_splice_direct+0x28c/0x3e0 [ 78.653922][ T5236] ? __pfx_do_splice_direct+0x10/0x10 [ 78.659286][ T5236] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 78.665176][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.670806][ T5236] ? rw_verify_area+0x1d2/0x6b0 [ 78.675651][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.681279][ T5236] do_sendfile+0x56d/0xe20 [ 78.685688][ T5236] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.692012][ T5236] ? __pfx_do_sendfile+0x10/0x10 [ 78.696959][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.702589][ T5236] ? _raw_spin_unlock_irq+0x2e/0x50 [ 78.707788][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.713420][ T5236] ? ptrace_notify+0x279/0x380 [ 78.718188][ T5236] __se_sys_sendfile64+0x17c/0x1e0 [ 78.723318][ T5236] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 78.728972][ T5236] ? do_syscall_64+0x100/0x230 [ 78.733758][ T5236] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.739406][ T5236] do_syscall_64+0xf3/0x230 [ 78.743917][ T5236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.749889][ T5236] RIP: 0033:0x7f92ab2b8ef9 [ 78.754294][ T5236] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 78.773892][ T5236] RSP: 002b:00007ffde2e02008 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 78.782299][ T5236] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f92ab2b8ef9 [ 78.790287][ T5236] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 [ 78.798267][ T5236] RBP: 00007f92ab30204e R08: 0000000000000006 R09: 0000000000000006 [ 78.806280][ T5236] R10: 000000007ffff000 R11: 0000000000000246 R12: 00007ffde2e0201c [ 78.814254][ T5236] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 78.822226][ T5236] [ 78.825232][ T5236] Modules linked in: [ 78.829339][ T5236] ---[ end trace 0000000000000000 ]--- [ 78.835053][ T5236] RIP: 0010:iter_file_splice_write+0xdd0/0x14e0 [ 78.842135][ T5236] Code: 00 00 00 fc ff df 41 80 3c 06 00 49 89 c6 74 08 4c 89 ff e8 72 4e e0 ff 49 c7 07 00 00 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 61 4d e0 ff 48 8b 44 24 10 48 8b [ 78.861864][ T5236] RSP: 0018:ffffc900034bf780 EFLAGS: 00010212 [ 78.867946][ T5236] RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000005 [ 78.876037][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 7ffffffffffffffa [ 78.884037][ T5236] RBP: ffffc900034bfa10 R08: ffffffff821a7060 R09: 1ffffd40003befd6 [ 78.892035][ T5236] R10: dffffc0000000000 R11: fffff940003befd7 R12: 7ffffffffffffffa [ 78.900075][ T5236] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888023787038 [ 78.908058][ T5236] FS: 0000555576942380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 78.917015][ T5236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.923623][ T5236] CR2: 00007f92ab2d7890 CR3: 0000000024258000 CR4: 0000000000350ef0 [ 78.931627][ T5236] Kernel panic - not syncing: Fatal exception [ 78.937930][ T5236] Kernel Offset: disabled [ 78.942250][ T5236] Rebooting in 86400 seconds..