./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2479635320 <...> Warning: Permanently added '10.128.0.89' (ED25519) to the list of known hosts. execve("./syz-executor2479635320", ["./syz-executor2479635320"], 0x7fff1792dfb0 /* 10 vars */) = 0 brk(NULL) = 0x555577d76000 brk(0x555577d76d00) = 0x555577d76d00 arch_prctl(ARCH_SET_FS, 0x555577d76380) = 0 set_tid_address(0x555577d76650) = 5782 set_robust_list(0x555577d76660, 24) = 0 rseq(0x555577d76ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2479635320", 4096) = 28 getrandom("\xb1\x98\xb1\xd3\x5f\xf8\x73\x60", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555577d76d00 brk(0x555577d97d00) = 0x555577d97d00 brk(0x555577d98000) = 0x555577d98000 mprotect(0x7fdb21bc5000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5783 ./strace-static-x86_64: Process 5783 attached [pid 5783] set_robust_list(0x555577d76660, 24) = 0 [pid 5783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5783] setpgid(0, 0) = 0 [pid 5783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5783] write(3, "1000", 4executing program ) = 4 [pid 5783] close(3) = 0 [pid 5783] write(1, "executing program\n", 18) = 18 [pid 5783] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5783] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5783] memfd_create("syzkaller", 0) = 3 [pid 5783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5783] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5783] munmap(0x7fdb19600000, 138412032) = 0 [pid 5783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5783] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5783] close(3) = 0 [pid 5783] close(4) = 0 [pid 5783] mkdir("./file1", 0777) = 0 [ 181.876279][ T5783] loop0: detected capacity change from 0 to 32768 [ 182.011874][ T5783] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=gzip,erasure_code,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow [ 182.032681][ T5783] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 182.042289][ T5783] bcachefs (loop0): Version upgrade required: [ 182.042289][ T5783] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 182.042289][ T5783] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.20: directory_size [ 182.042289][ T5783] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance [ 182.113846][ T5783] bcachefs (loop0): dropping and reconstructing all alloc info [pid 5783] mount("/dev/loop0", "./file1", "bcachefs", MS_I_VERSION, "\x76\x65\x72\x62\x6f\x73\x65\x2c\x6a\x6f\x75\x72\x6e\x61\x6c\x5f\x74\x72\x61\x6e\x73\x61\x63\x73\x5d\x60\xb6\x5f\x6e\x61\x6d\x65\x73\x2c\x6e\x6f\x72\x65\x63\x6f\x76\x65\x72\x79\x2c\x63\x6f\x6d\x70\x72\x65\x73\x73\x69\x6f\x6e\x3d\x6c\x7a\x34\x2c\x65\x72\x61\x73\x75\x72\x65\x5f\x63\x6f\x64\x65\x2c\x63\x6f\x6d\xe5\x12\x65\x73\x73\x69\x6f\x6e\x3d\x7a\x73\x74\x64\x2c\x69\x6e\x6c\x69\x6e\x65\x5f\x64\x61"...) = 0 [pid 5783] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5783] chdir("./file1") = 0 [pid 5783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5783] ioctl(4, LOOP_CLR_FD) = 0 [pid 5783] close(4) = 0 [ 182.157255][ T5783] bcachefs (loop0): accounting_read... done [ 182.164076][ T5783] bcachefs (loop0): alloc_read... done [ 182.170021][ T5783] bcachefs (loop0): stripes_read... done [ 182.176025][ T5783] bcachefs (loop0): snapshots_read... done [ 182.186701][ T5783] bcachefs (loop0): done starting filesystem [pid 5783] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 4 [pid 5783] read(4, 0x20001400, 4112) = -1 EINVAL (Invalid argument) [pid 5783] exit_group(0) = ? [pid 5783] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5783, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=69 /* 0.69 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 182.222768][ T29] audit: type=1800 audit(1737486336.356:2): pid=5783 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor247" name="file1" dev="loop0" ino=536870912 res=0 errno=0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5793 attached , child_tidptr=0x555577d76650) = 5793 [pid 5793] set_robust_list(0x555577d76660, 24) = 0 [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5793] setpgid(0, 0) = 0 [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5793] write(3, "1000", 4) = 4 [pid 5793] close(3) = 0 executing program [pid 5793] write(1, "executing program\n", 18) = 18 [pid 5793] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5793] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5793] memfd_create("syzkaller", 0) = 3 [pid 5793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5793] munmap(0x7fdb19600000, 138412032) = 0 [pid 5793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5793] ioctl(4, LOOP_CLR_FD) = 0 [pid 5793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5793] close(4) = 0 [pid 5793] close(3) = 0 [pid 5793] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5793] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5793] exit_group(0) = ? [pid 5793] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5793, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=69 /* 0.69 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5794 attached , child_tidptr=0x555577d76650) = 5794 [pid 5794] set_robust_list(0x555577d76660, 24) = 0 [pid 5794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5794] setpgid(0, 0) = 0 [pid 5794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5794] write(3, "1000", 4) = 4 [pid 5794] close(3) = 0 executing program [pid 5794] write(1, "executing program\n", 18) = 18 [pid 5794] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5794] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5794] memfd_create("syzkaller", 0) = 3 [pid 5794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5794] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5794] munmap(0x7fdb19600000, 138412032) = 0 [pid 5794] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5794] ioctl(4, LOOP_CLR_FD) = 0 [pid 5794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5794] close(4) = 0 [pid 5794] close(3) = 0 [pid 5794] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5794] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5794] exit_group(0) = ? [pid 5794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5794, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=72 /* 0.72 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5795 attached , child_tidptr=0x555577d76650) = 5795 [pid 5795] set_robust_list(0x555577d76660, 24) = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5795] setpgid(0, 0) = 0 [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1000", 4executing program ) = 4 [pid 5795] close(3) = 0 [pid 5795] write(1, "executing program\n", 18) = 18 [pid 5795] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5795] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5795] memfd_create("syzkaller", 0) = 3 [pid 5795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5795] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5795] munmap(0x7fdb19600000, 138412032) = 0 [pid 5795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5795] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5795] ioctl(4, LOOP_CLR_FD) = 0 [pid 5795] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5795] close(4) = 0 [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5795] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5795] exit_group(0) = ? [pid 5795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5795, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=71 /* 0.71 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5796 ./strace-static-x86_64: Process 5796 attached [pid 5796] set_robust_list(0x555577d76660, 24) = 0 [pid 5796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5796] setpgid(0, 0) = 0 [pid 5796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5796] write(3, "1000", 4executing program ) = 4 [pid 5796] close(3) = 0 [pid 5796] write(1, "executing program\n", 18) = 18 [pid 5796] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5796] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5796] memfd_create("syzkaller", 0) = 3 [pid 5796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5796] munmap(0x7fdb19600000, 138412032) = 0 [pid 5796] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5796] ioctl(4, LOOP_CLR_FD) = 0 [pid 5796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5796] close(4) = 0 [pid 5796] close(3) = 0 [pid 5796] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5796] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5796] exit_group(0) = ? [pid 5796] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5796, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5797 ./strace-static-x86_64: Process 5797 attached [pid 5797] set_robust_list(0x555577d76660, 24) = 0 [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5797] setpgid(0, 0) = 0 [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5797] write(3, "1000", 4executing program ) = 4 [pid 5797] close(3) = 0 [pid 5797] write(1, "executing program\n", 18) = 18 [pid 5797] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5797] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5797] memfd_create("syzkaller", 0) = 3 [pid 5797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5797] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5797] munmap(0x7fdb19600000, 138412032) = 0 [pid 5797] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5797] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5797] ioctl(4, LOOP_CLR_FD) = 0 [pid 5797] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5797] close(4) = 0 [pid 5797] close(3) = 0 [pid 5797] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5797] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5797] exit_group(0) = ? [pid 5797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5797, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=69 /* 0.69 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5798 ./strace-static-x86_64: Process 5798 attached [pid 5798] set_robust_list(0x555577d76660, 24) = 0 [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5798] setpgid(0, 0) = 0 [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5798] write(3, "1000", 4) = 4 [pid 5798] close(3) = 0 executing program [pid 5798] write(1, "executing program\n", 18) = 18 [pid 5798] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5798] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5798] memfd_create("syzkaller", 0) = 3 [pid 5798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5798] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5798] munmap(0x7fdb19600000, 138412032) = 0 [pid 5798] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5798] ioctl(4, LOOP_CLR_FD) = 0 [pid 5798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5798] close(4) = 0 [pid 5798] close(3) = 0 [pid 5798] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5798] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5798] exit_group(0) = ? [pid 5798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5798, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5799 attached , child_tidptr=0x555577d76650) = 5799 [pid 5799] set_robust_list(0x555577d76660, 24) = 0 [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5799] setpgid(0, 0) = 0 [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5799] write(3, "1000", 4) = 4 [pid 5799] close(3) = 0 [pid 5799] write(1, "executing program\n", 18executing program ) = 18 [pid 5799] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5799] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5799] memfd_create("syzkaller", 0) = 3 [pid 5799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5799] munmap(0x7fdb19600000, 138412032) = 0 [pid 5799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5799] ioctl(4, LOOP_CLR_FD) = 0 [pid 5799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5799] close(4) = 0 [pid 5799] close(3) = 0 [pid 5799] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5799] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5799] exit_group(0) = ? [pid 5799] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5799, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=69 /* 0.69 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5800 ./strace-static-x86_64: Process 5800 attached [pid 5800] set_robust_list(0x555577d76660, 24) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5800] setpgid(0, 0) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5800] write(3, "1000", 4) = 4 [pid 5800] close(3) = 0 [pid 5800] write(1, "executing program\n", 18) = 18 [pid 5800] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5800] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5800] memfd_create("syzkaller", 0) = 3 [pid 5800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5800] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5800] munmap(0x7fdb19600000, 138412032) = 0 [pid 5800] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5800] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5800] ioctl(4, LOOP_CLR_FD) = 0 [pid 5800] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5800] close(4) = 0 [pid 5800] close(3) = 0 [pid 5800] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5800] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5800] exit_group(0) = ? [pid 5800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=73 /* 0.73 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5801 attached , child_tidptr=0x555577d76650) = 5801 [pid 5801] set_robust_list(0x555577d76660, 24) = 0 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5801] setpgid(0, 0) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5801] write(3, "1000", 4) = 4 executing program [pid 5801] close(3) = 0 [pid 5801] write(1, "executing program\n", 18) = 18 [pid 5801] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5801] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5801] memfd_create("syzkaller", 0) = 3 [pid 5801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5801] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5801] munmap(0x7fdb19600000, 138412032) = 0 [pid 5801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5801] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5801] ioctl(4, LOOP_CLR_FD) = 0 [pid 5801] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5801] close(4) = 0 [pid 5801] close(3) = 0 [pid 5801] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5801] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5801] exit_group(0) = ? [pid 5801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5802 ./strace-static-x86_64: Process 5802 attached [pid 5802] set_robust_list(0x555577d76660, 24) = 0 [pid 5802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5802] setpgid(0, 0) = 0 [pid 5802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5802] write(3, "1000", 4) = 4 [pid 5802] close(3executing program ) = 0 [pid 5802] write(1, "executing program\n", 18) = 18 [pid 5802] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5802] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5802] memfd_create("syzkaller", 0) = 3 [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5802] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5802] munmap(0x7fdb19600000, 138412032) = 0 [pid 5802] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5802] ioctl(4, LOOP_CLR_FD) = 0 [pid 5802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5802] close(4) = 0 [pid 5802] close(3) = 0 [pid 5802] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5802] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5802] exit_group(0) = ? [pid 5802] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5802, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=68 /* 0.68 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5803 attached , child_tidptr=0x555577d76650) = 5803 [pid 5803] set_robust_list(0x555577d76660, 24) = 0 [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5803] setpgid(0, 0) = 0 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5803] write(3, "1000", 4) = 4 [pid 5803] close(3executing program ) = 0 [pid 5803] write(1, "executing program\n", 18) = 18 [pid 5803] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5803] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5803] memfd_create("syzkaller", 0) = 3 [pid 5803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5803] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5803] munmap(0x7fdb19600000, 138412032) = 0 [pid 5803] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5803] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5803] ioctl(4, LOOP_CLR_FD) = 0 [pid 5803] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5803] close(4) = 0 [pid 5803] close(3) = 0 [pid 5803] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5803] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5803] exit_group(0) = ? [pid 5803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=64 /* 0.64 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5804 ./strace-static-x86_64: Process 5804 attached [pid 5804] set_robust_list(0x555577d76660, 24) = 0 [pid 5804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5804] setpgid(0, 0) = 0 [pid 5804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5804] write(3, "1000", 4executing program ) = 4 [pid 5804] close(3) = 0 [pid 5804] write(1, "executing program\n", 18) = 18 [pid 5804] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5804] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5804] memfd_create("syzkaller", 0) = 3 [pid 5804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5804] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5804] munmap(0x7fdb19600000, 138412032) = 0 [pid 5804] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5804] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5804] ioctl(4, LOOP_CLR_FD) = 0 [pid 5804] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5804] close(4) = 0 [pid 5804] close(3) = 0 [pid 5804] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5804] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5804] exit_group(0) = ? [pid 5804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5804, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=71 /* 0.71 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5805 ./strace-static-x86_64: Process 5805 attached [pid 5805] set_robust_list(0x555577d76660, 24) = 0 [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5805] setpgid(0, 0) = 0 [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5805] write(3, "1000", 4) = 4 [pid 5805] close(3) = 0 [pid 5805] write(1, "executing program\n", 18) = 18 [pid 5805] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5805] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5805] memfd_create("syzkaller", 0) = 3 [pid 5805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5805] munmap(0x7fdb19600000, 138412032) = 0 [pid 5805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5805] ioctl(4, LOOP_CLR_FD) = 0 [pid 5805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5805] close(4) = 0 [pid 5805] close(3) = 0 [pid 5805] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5805] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5805] exit_group(0) = ? [pid 5805] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5805, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=69 /* 0.69 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5806 ./strace-static-x86_64: Process 5806 attached [pid 5806] set_robust_list(0x555577d76660, 24) = 0 [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5806] setpgid(0, 0) = 0 [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5806] write(3, "1000", 4) = 4 [pid 5806] close(3) = 0 [pid 5806] write(1, "executing program\n", 18executing program ) = 18 [pid 5806] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5806] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5806] memfd_create("syzkaller", 0) = 3 [pid 5806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5806] munmap(0x7fdb19600000, 138412032) = 0 [pid 5806] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5806] ioctl(4, LOOP_CLR_FD) = 0 [pid 5806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5806] close(4) = 0 [pid 5806] close(3) = 0 [pid 5806] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5806] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5806] exit_group(0) = ? [pid 5806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5806, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=73 /* 0.73 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5807 attached , child_tidptr=0x555577d76650) = 5807 [pid 5807] set_robust_list(0x555577d76660, 24) = 0 [pid 5807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5807] setpgid(0, 0) = 0 [pid 5807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5807] write(3, "1000", 4) = 4 [pid 5807] close(3) = 0 executing program [pid 5807] write(1, "executing program\n", 18) = 18 [pid 5807] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5807] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5807] memfd_create("syzkaller", 0) = 3 [pid 5807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5807] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5807] munmap(0x7fdb19600000, 138412032) = 0 [pid 5807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5807] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5807] ioctl(4, LOOP_CLR_FD) = 0 [pid 5807] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5807] close(4) = 0 [pid 5807] close(3) = 0 [pid 5807] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5807] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5807] exit_group(0) = ? [pid 5807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5807, si_uid=0, si_status=0, si_utime=0, si_stime=70 /* 0.70 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5808 attached , child_tidptr=0x555577d76650) = 5808 [pid 5808] set_robust_list(0x555577d76660, 24) = 0 [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5808] setpgid(0, 0) = 0 [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5808] write(3, "1000", 4) = 4 executing program [pid 5808] close(3) = 0 [pid 5808] write(1, "executing program\n", 18) = 18 [pid 5808] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5808] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5808] memfd_create("syzkaller", 0) = 3 [pid 5808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5808] munmap(0x7fdb19600000, 138412032) = 0 [pid 5808] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5808] ioctl(4, LOOP_CLR_FD) = 0 [pid 5808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5808] close(4) = 0 [pid 5808] close(3) = 0 [pid 5808] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5808] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5808] exit_group(0) = ? [pid 5808] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5808, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=69 /* 0.69 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5809 ./strace-static-x86_64: Process 5809 attached [pid 5809] set_robust_list(0x555577d76660, 24) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5809] setpgid(0, 0) = 0 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5809] write(3, "1000", 4) = 4 executing program [pid 5809] close(3) = 0 [pid 5809] write(1, "executing program\n", 18) = 18 [pid 5809] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5809] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5809] memfd_create("syzkaller", 0) = 3 [pid 5809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5809] munmap(0x7fdb19600000, 138412032) = 0 [pid 5809] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5809] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5809] ioctl(4, LOOP_CLR_FD) = 0 [pid 5809] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5809] close(4) = 0 [pid 5809] close(3) = 0 [pid 5809] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5809] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5809] exit_group(0) = ? [pid 5809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=69 /* 0.69 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5810 ./strace-static-x86_64: Process 5810 attached [pid 5810] set_robust_list(0x555577d76660, 24) = 0 [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5810] setpgid(0, 0) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5810] write(3, "1000", 4) = 4 [pid 5810] close(3) = 0 executing program [pid 5810] write(1, "executing program\n", 18) = 18 [pid 5810] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5810] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5810] memfd_create("syzkaller", 0) = 3 [pid 5810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5810] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5810] munmap(0x7fdb19600000, 138412032) = 0 [pid 5810] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5810] ioctl(4, LOOP_CLR_FD) = 0 [pid 5810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5810] close(4) = 0 [pid 5810] close(3) = 0 [pid 5810] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5810] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5810] exit_group(0) = ? [pid 5810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=75 /* 0.75 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5813 attached , child_tidptr=0x555577d76650) = 5813 [pid 5813] set_robust_list(0x555577d76660, 24) = 0 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5813] setpgid(0, 0) = 0 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5813] write(3, "1000", 4) = 4 [pid 5813] close(3) = 0 [pid 5813] write(1, "executing program\n", 18) = 18 [pid 5813] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5813] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5813] memfd_create("syzkaller", 0) = 3 [pid 5813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5813] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5813] munmap(0x7fdb19600000, 138412032) = 0 [pid 5813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5813] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5813] ioctl(4, LOOP_CLR_FD) = 0 [pid 5813] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5813] close(4) = 0 [pid 5813] close(3) = 0 [pid 5813] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5813] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5813] exit_group(0) = ? [pid 5813] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=71 /* 0.71 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5814 attached , child_tidptr=0x555577d76650) = 5814 [pid 5814] set_robust_list(0x555577d76660, 24) = 0 [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5814] setpgid(0, 0) = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5814] write(3, "1000", 4executing program ) = 4 [pid 5814] close(3) = 0 [pid 5814] write(1, "executing program\n", 18) = 18 [pid 5814] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5814] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5814] memfd_create("syzkaller", 0) = 3 [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5814] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5814] munmap(0x7fdb19600000, 138412032) = 0 [pid 5814] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5814] ioctl(4, LOOP_CLR_FD) = 0 [pid 5814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5814] close(4) = 0 [pid 5814] close(3) = 0 [pid 5814] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5814] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5814] exit_group(0) = ? [pid 5814] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=68 /* 0.68 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5815 ./strace-static-x86_64: Process 5815 attached [pid 5815] set_robust_list(0x555577d76660, 24) = 0 [pid 5815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5815] setpgid(0, 0) = 0 [pid 5815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5815] write(3, "1000", 4) = 4 [pid 5815] close(3) = 0 [pid 5815] write(1, "executing program\n", 18executing program ) = 18 [pid 5815] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5815] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5815] memfd_create("syzkaller", 0) = 3 [pid 5815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5815] munmap(0x7fdb19600000, 138412032) = 0 [pid 5815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5815] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5815] ioctl(4, LOOP_CLR_FD) = 0 [pid 5815] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5815] close(4) = 0 [pid 5815] close(3) = 0 [pid 5815] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5815] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5815] exit_group(0) = ? [pid 5815] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5815, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=69 /* 0.69 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5816 ./strace-static-x86_64: Process 5816 attached [pid 5816] set_robust_list(0x555577d76660, 24) = 0 [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5816] setpgid(0, 0) = 0 [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5816] write(3, "1000", 4) = 4 [pid 5816] close(3executing program ) = 0 [pid 5816] write(1, "executing program\n", 18) = 18 [pid 5816] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5816] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5816] memfd_create("syzkaller", 0) = 3 [pid 5816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5816] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5816] munmap(0x7fdb19600000, 138412032) = 0 [pid 5816] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5816] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5816] ioctl(4, LOOP_CLR_FD) = 0 [pid 5816] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5816] close(4) = 0 [pid 5816] close(3) = 0 [pid 5816] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5816] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5816] exit_group(0) = ? [pid 5816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=72 /* 0.72 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5817 ./strace-static-x86_64: Process 5817 attached [pid 5817] set_robust_list(0x555577d76660, 24) = 0 [pid 5817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5817] setpgid(0, 0) = 0 [pid 5817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5817] write(3, "1000", 4) = 4 [pid 5817] close(3) = 0 [pid 5817] write(1, "executing program\n", 18executing program ) = 18 [pid 5817] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5817] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5817] memfd_create("syzkaller", 0) = 3 [pid 5817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5817] munmap(0x7fdb19600000, 138412032) = 0 [pid 5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5817] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5817] ioctl(4, LOOP_CLR_FD) = 0 [pid 5817] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5817] close(4) = 0 [pid 5817] close(3) = 0 [pid 5817] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5817] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5817] exit_group(0) = ? [pid 5817] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5817, si_uid=0, si_status=0, si_utime=0, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5818 attached , child_tidptr=0x555577d76650) = 5818 [pid 5818] set_robust_list(0x555577d76660, 24) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] setpgid(0, 0) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1000", 4) = 4 [pid 5818] close(3) = 0 executing program [pid 5818] write(1, "executing program\n", 18) = 18 [pid 5818] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5818] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5818] memfd_create("syzkaller", 0) = 3 [pid 5818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5818] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5818] munmap(0x7fdb19600000, 138412032) = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5818] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5818] ioctl(4, LOOP_CLR_FD) = 0 [pid 5818] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5818] close(4) = 0 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5818] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5818] exit_group(0) = ? [pid 5818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5818, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=72 /* 0.72 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5819 ./strace-static-x86_64: Process 5819 attached [pid 5819] set_robust_list(0x555577d76660, 24) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] setpgid(0, 0) = 0 [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1000", 4) = 4 [pid 5819] close(3executing program ) = 0 [pid 5819] write(1, "executing program\n", 18) = 18 [pid 5819] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5819] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5819] memfd_create("syzkaller", 0) = 3 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5819] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5819] munmap(0x7fdb19600000, 138412032) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5819] ioctl(4, LOOP_CLR_FD) = 0 [pid 5819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5819] close(4) = 0 [pid 5819] close(3) = 0 [pid 5819] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5819] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5819] exit_group(0) = ? [pid 5819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached , child_tidptr=0x555577d76650) = 5821 [pid 5821] set_robust_list(0x555577d76660, 24) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5821] setpgid(0, 0) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1000", 4) = 4 [pid 5821] close(3executing program ) = 0 [pid 5821] write(1, "executing program\n", 18) = 18 [pid 5821] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5821] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5821] memfd_create("syzkaller", 0) = 3 [pid 5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5821] munmap(0x7fdb19600000, 138412032) = 0 [pid 5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5821] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5821] ioctl(4, LOOP_CLR_FD) = 0 [pid 5821] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5821] close(4) = 0 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5821] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5821] exit_group(0) = ? [pid 5821] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5821, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=72 /* 0.72 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached , child_tidptr=0x555577d76650) = 5825 [pid 5825] set_robust_list(0x555577d76660, 24) = 0 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5825] setpgid(0, 0) = 0 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "1000", 4) = 4 executing program [pid 5825] close(3) = 0 [pid 5825] write(1, "executing program\n", 18) = 18 [pid 5825] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5825] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5825] memfd_create("syzkaller", 0) = 3 [pid 5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5825] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5825] munmap(0x7fdb19600000, 138412032) = 0 [pid 5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5825] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5825] ioctl(4, LOOP_CLR_FD) = 0 [pid 5825] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5825] close(4) = 0 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5825] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5825] exit_group(0) = ? [pid 5825] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=71 /* 0.71 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5826 ./strace-static-x86_64: Process 5826 attached [pid 5826] set_robust_list(0x555577d76660, 24) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] setpgid(0, 0) = 0 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1000", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] write(1, "executing program\n", 18executing program ) = 18 [pid 5826] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5826] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5826] memfd_create("syzkaller", 0) = 3 [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5826] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5826] munmap(0x7fdb19600000, 138412032) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5826] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5826] ioctl(4, LOOP_CLR_FD) = 0 [pid 5826] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5826] close(4) = 0 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5826] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5826] exit_group(0) = ? [pid 5826] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached , child_tidptr=0x555577d76650) = 5827 [pid 5827] set_robust_list(0x555577d76660, 24) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] setpgid(0, 0) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1000", 4) = 4 [pid 5827] close(3) = 0 executing program [pid 5827] write(1, "executing program\n", 18) = 18 [pid 5827] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5827] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5827] memfd_create("syzkaller", 0) = 3 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5827] munmap(0x7fdb19600000, 138412032) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5827] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5827] ioctl(4, LOOP_CLR_FD) = 0 [pid 5827] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5827] close(4) = 0 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5827] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5827] exit_group(0) = ? [pid 5827] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=66 /* 0.66 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5828 ./strace-static-x86_64: Process 5828 attached [pid 5828] set_robust_list(0x555577d76660, 24) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] setpgid(0, 0) = 0 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1000", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] write(1, "executing program\n", 18executing program ) = 18 [pid 5828] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5828] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5828] memfd_create("syzkaller", 0) = 3 [pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5828] munmap(0x7fdb19600000, 138412032) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5828] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5828] ioctl(4, LOOP_CLR_FD) = 0 [pid 5828] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5828] close(4) = 0 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5828] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5828] exit_group(0) = ? [pid 5828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5829 ./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x555577d76660, 24) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] setpgid(0, 0) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1000", 4executing program ) = 4 [pid 5829] close(3) = 0 [pid 5829] write(1, "executing program\n", 18) = 18 [pid 5829] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5829] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5829] memfd_create("syzkaller", 0) = 3 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5829] munmap(0x7fdb19600000, 138412032) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5829] ioctl(4, LOOP_CLR_FD) = 0 [pid 5829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5829] close(4) = 0 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5829] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5829] exit_group(0) = ? [pid 5829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=74 /* 0.74 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached , child_tidptr=0x555577d76650) = 5830 [pid 5830] set_robust_list(0x555577d76660, 24) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] write(1, "executing program\n", 18) = 18 [pid 5830] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5830] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5830] memfd_create("syzkaller", 0) = 3 [pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5830] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5830] munmap(0x7fdb19600000, 138412032) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5830] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5830] ioctl(4, LOOP_CLR_FD) = 0 [pid 5830] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5830] close(4) = 0 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5830] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5830] exit_group(0) = ? [pid 5830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5831 ./strace-static-x86_64: Process 5831 attached [pid 5831] set_robust_list(0x555577d76660, 24) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1000", 4executing program ) = 4 [pid 5831] close(3) = 0 [pid 5831] write(1, "executing program\n", 18) = 18 [pid 5831] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5831] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5831] memfd_create("syzkaller", 0) = 3 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5831] munmap(0x7fdb19600000, 138412032) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5831] ioctl(4, LOOP_CLR_FD) = 0 [pid 5831] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5831] close(4) = 0 [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5831] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5831] exit_group(0) = ? [pid 5831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577d76650) = 5832 ./strace-static-x86_64: Process 5832 attached [pid 5832] set_robust_list(0x555577d76660, 24) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] setpgid(0, 0) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1000", 4executing program ) = 4 [pid 5832] close(3) = 0 [pid 5832] write(1, "executing program\n", 18) = 18 [pid 5832] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5832] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5832] memfd_create("syzkaller", 0) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5832] munmap(0x7fdb19600000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5832] ioctl(4, LOOP_CLR_FD) = 0 [pid 5832] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5832] close(4) = 0 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5832] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5832] exit_group(0) = ? [pid 5832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=67 /* 0.67 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached , child_tidptr=0x555577d76650) = 5833 [pid 5833] set_robust_list(0x555577d76660, 24) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1000", 4) = 4 executing program [pid 5833] close(3) = 0 [pid 5833] write(1, "executing program\n", 18) = 18 [pid 5833] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5833] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5833] munmap(0x7fdb19600000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5833] ioctl(4, LOOP_CLR_FD) = 0 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5833] close(4) = 0 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5833] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5833] exit_group(0) = ? [pid 5833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=70 /* 0.70 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached , child_tidptr=0x555577d76650) = 5834 [pid 5834] set_robust_list(0x555577d76660, 24) = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] setpgid(0, 0) = 0 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1000", 4) = 4 executing program [pid 5834] close(3) = 0 [pid 5834] write(1, "executing program\n", 18) = 18 [pid 5834] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5834] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5834] memfd_create("syzkaller", 0) = 3 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5834] munmap(0x7fdb19600000, 138412032) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5834] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5834] ioctl(4, LOOP_CLR_FD) = 0 [pid 5834] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5834] close(4) = 0 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = -1 EISDIR (Is a directory) [pid 5834] read(-1, 0x20001400, 4112) = -1 EBADF (Bad file descriptor) [pid 5834] exit_group(0) = ? [pid 5834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=68 /* 0.68 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached , child_tidptr=0x555577d76650) = 5835 [pid 5835] set_robust_list(0x555577d76660, 24) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1000", 4executing program ) = 4 [pid 5835] close(3) = 0 [pid 5835] write(1, "executing program\n", 18) = 18 [pid 5835] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=8589934731}, NULL) = 0 [pid 5835] sched_setscheduler(0, SCHED_RR, NULL) = -1 EINVAL (Invalid argument) [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb19600000 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5835] munmap(0x7fdb19600000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5835] ioctl(4, LOOP_CLR_FD) = 0 [pid 5835] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5835] close(4) = 0 [ 212.459051][ T3918] ===================================================== [ 212.466296][ T3918] BUG: KMSAN: uninit-value in bch2_write_inode+0x9fa/0xf80 [ 212.473882][ T3918] bch2_write_inode+0x9fa/0xf80 [ 212.479006][ T3918] bch2_vfs_write_inode+0x8a/0x150 [ 212.484328][ T3918] __writeback_single_inode+0x8da/0x1290 [ 212.490333][ T3918] writeback_sb_inodes+0xa34/0x1c20 [ 212.495724][ T3918] __writeback_inodes_wb+0x14c/0x440 [ 212.501296][ T3918] wb_writeback+0x50b/0xcb0 [ 212.505979][ T3918] wb_workfn+0x110c/0x1940 [ 212.510727][ T3918] process_scheduled_works+0xae0/0x1c40 [ 212.516500][ T3918] worker_thread+0xea7/0x14f0 [ 212.521470][ T3918] kthread+0x3e2/0x540 [ 212.525695][ T3918] ret_from_fork+0x6d/0x90 [ 212.530390][ T3918] ret_from_fork_asm+0x1a/0x30 [ 212.535364][ T3918] [ 212.537872][ T3918] Local variable io_opts.i117 created at: [ 212.543697][ T3918] bch2_write_inode+0x696/0xf80 [ 212.548903][ T3918] bch2_vfs_write_inode+0x8a/0x150 [ 212.554219][ T3918] [ 212.556664][ T3918] CPU: 0 UID: 0 PID: 3918 Comm: kworker/u8:17 Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #0 [ 212.567614][ T3918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 212.577986][ T3918] Workqueue: writeback wb_workfn (flush-bcachefs-1) [ 212.584820][ T3918] ===================================================== [ 212.591973][ T3918] Disabling lock debugging due to kernel taint [ 212.598330][ T3918] Kernel panic - not syncing: kmsan.panic set ... [ 212.604892][ T3918] CPU: 0 UID: 0 PID: 3918 Comm: kworker/u8:17 Tainted: G B 6.13.0-syzkaller-00918-g95ec54a420b8 #0 [ 212.617176][ T3918] Tainted: [B]=BAD_PAGE [ 212.621441][ T3918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 212.631665][ T3918] Workqueue: writeback wb_workfn (flush-bcachefs-1) [ 212.638516][ T3918] Call Trace: [ 212.641910][ T3918] [ 212.644946][ T3918] dump_stack_lvl+0x216/0x2d0 [ 212.649838][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.655845][ T3918] dump_stack+0x1e/0x24 [ 212.660211][ T3918] panic+0x4e2/0xcf0 [ 212.664314][ T3918] ? kmsan_get_metadata+0x101/0x1c0 [ 212.669716][ T3918] kmsan_report+0x2c7/0x2d0 [ 212.674423][ T3918] ? kmsan_get_metadata+0x100/0x1c0 [ 212.679829][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.685829][ T3918] ? __msan_warning+0x95/0x120 [ 212.690814][ T3918] ? bch2_write_inode+0x9fa/0xf80 [ 212.696042][ T3918] ? bch2_vfs_write_inode+0x8a/0x150 [ 212.701558][ T3918] ? __writeback_single_inode+0x8da/0x1290 [ 212.707577][ T3918] ? writeback_sb_inodes+0xa34/0x1c20 [ 212.713150][ T3918] ? __writeback_inodes_wb+0x14c/0x440 [ 212.718815][ T3918] ? wb_writeback+0x50b/0xcb0 [ 212.723684][ T3918] ? wb_workfn+0x110c/0x1940 [ 212.728455][ T3918] ? process_scheduled_works+0xae0/0x1c40 [ 212.734410][ T3918] ? worker_thread+0xea7/0x14f0 [ 212.739494][ T3918] ? kthread+0x3e2/0x540 [ 212.743919][ T3918] ? ret_from_fork+0x6d/0x90 [ 212.748699][ T3918] ? ret_from_fork_asm+0x1a/0x30 [ 212.753841][ T3918] ? kmsan_get_metadata+0x13e/0x1c0 [ 212.759200][ T3918] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 212.765782][ T3918] ? kmsan_get_metadata+0x13e/0x1c0 [ 212.771184][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.777182][ T3918] ? kmsan_get_metadata+0x13e/0x1c0 [ 212.782574][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.788593][ T3918] ? bch2_inode_opts_get+0xce3/0xe40 [ 212.794074][ T3918] ? kmsan_get_metadata+0x13e/0x1c0 [ 212.799470][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.805664][ T3918] __msan_warning+0x95/0x120 [ 212.810511][ T3918] bch2_write_inode+0x9fa/0xf80 [ 212.815581][ T3918] ? __bch2_inode_peek+0x221/0x890 [ 212.820870][ T3918] ? kmsan_report+0x2a0/0x2d0 [ 212.825708][ T3918] ? __pfx_inode_update_times_fn+0x10/0x10 [ 212.831691][ T3918] bch2_vfs_write_inode+0x8a/0x150 [ 212.837003][ T3918] ? __pfx_bch2_vfs_write_inode+0x10/0x10 [ 212.842927][ T3918] __writeback_single_inode+0x8da/0x1290 [ 212.848767][ T3918] writeback_sb_inodes+0xa34/0x1c20 [ 212.854196][ T3918] ? kmsan_get_metadata+0x13e/0x1c0 [ 212.859560][ T3918] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 212.865557][ T3918] __writeback_inodes_wb+0x14c/0x440 [ 212.871068][ T3918] wb_writeback+0x50b/0xcb0 [ 212.875771][ T3918] ? queue_io+0x4a1/0x780 [ 212.880296][ T3918] wb_workfn+0x110c/0x1940 [ 212.884896][ T3918] ? __pfx_wb_workfn+0x10/0x10 [ 212.889818][ T3918] process_scheduled_works+0xae0/0x1c40 [ 212.895603][ T3918] worker_thread+0xea7/0x14f0 [ 212.900502][ T3918] kthread+0x3e2/0x540 [ 212.904724][ T3918] ? __pfx_worker_thread+0x10/0x10 [ 212.910038][ T3918] ? __pfx_kthread+0x10/0x10 [ 212.914781][ T3918] ret_from_fork+0x6d/0x90 [ 212.919362][ T3918] ? __pfx_kthread+0x10/0x10 [ 212.924137][ T3918] ret_from_fork_asm+0x1a/0x30 [ 212.929133][ T3918] [ 212.932541][ T3918] Kernel Offset: disabled [ 212.936937][ T3918] Rebooting in 86400 seconds..