./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4183815714 <...> Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. execve("./syz-executor4183815714", ["./syz-executor4183815714"], 0x7ffe04817020 /* 10 vars */) = 0 brk(NULL) = 0x555555648000 brk(0x555555648c40) = 0x555555648c40 arch_prctl(ARCH_SET_FS, 0x555555648300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4183815714", 4096) = 28 brk(0x555555669c40) = 0x555555669c40 brk(0x55555566a000) = 0x55555566a000 mprotect(0x7f5cb2522000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556485d0) = 3608 ./strace-static-x86_64: Process 3608 attached [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3609 attached [pid 3607] <... clone resumed>, child_tidptr=0x5555556485d0) = 3609 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 3610 attached ) = 3 [pid 3608] <... openat resumed>) = 3 [pid 3607] <... clone resumed>, child_tidptr=0x5555556485d0) = 3610 [pid 3610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3608] ioctl(3, LOOP_CLR_FD [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3611 attached [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 3607] <... clone resumed>, child_tidptr=0x5555556485d0) = 3611 [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] <... close resumed>) = 0 [pid 3608] close(3 [pid 3611] <... openat resumed>) = 3 [pid 3608] <... close resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] <... clone resumed>, child_tidptr=0x5555556485d0) = 3612 [pid 3611] close(3) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556485d0) = 3613 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555556485d0) = 3614 [pid 3610] close(3 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x5555556485d0) = 3615 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... clone resumed>, child_tidptr=0x5555556485d0) = 3616 [pid 3610] <... clone resumed>, child_tidptr=0x5555556485d0) = 3617 [pid 3612] <... openat resumed>) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 ./strace-static-x86_64: Process 3614 attached [pid 3612] memfd_create("syzkaller", 0./strace-static-x86_64: Process 3616 attached ./strace-static-x86_64: Process 3615 attached [pid 3614] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 3617 attached [pid 3614] <... openat resumed>) = 3 [pid 3612] ftruncate(3, 64585888 [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3614] ioctl(3, LOOP_CLR_FD [pid 3612] <... ftruncate resumed>) = 0 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... prctl resumed>) = 0 [pid 3614] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3617] setpgid(0, 0 [pid 3614] close(3 [pid 3615] <... prctl resumed>) = 0 [pid 3612] <... pwrite64 resumed>) = 69 [pid 3617] <... setpgid resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3615] setpgid(0, 0 [pid 3614] <... close resumed>) = 0 [pid 3612] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... pwrite64 resumed>) = 34 ./strace-static-x86_64: Process 3613 attached [pid 3617] <... openat resumed>) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3615] <... setpgid resumed>) = 0 [pid 3612] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3617] write(3, "1000", 4 [pid 3616] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] <... clone resumed>, child_tidptr=0x5555556485d0) = 3618 [pid 3612] <... pwrite64 resumed>) = 70 [pid 3617] <... write resumed>) = 4 [pid 3616] close(3 [pid 3615] <... openat resumed>) = 3 [pid 3612] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632./strace-static-x86_64: Process 3618 attached [pid 3617] close(3 [pid 3616] <... close resumed>) = 0 [pid 3615] write(3, "1000", 4 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] <... pwrite64 resumed>) = 256 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... close resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... write resumed>) = 4 [pid 3613] <... prctl resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3618] <... prctl resumed>) = 0 [pid 3617] memfd_create("syzkaller", 0 [pid 3615] close(3 [pid 3613] setpgid(0, 0 [pid 3612] <... openat resumed>) = 4 ./strace-static-x86_64: Process 3620 attached [pid 3618] setpgid(0, 0 [pid 3617] <... memfd_create resumed>) = 3 [pid 3616] <... clone resumed>, child_tidptr=0x5555556485d0) = 3620 [pid 3615] <... close resumed>) = 0 [pid 3613] <... setpgid resumed>) = 0 [pid 3612] ioctl(4, LOOP_SET_FD, 3 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... setpgid resumed>) = 0 [pid 3617] ftruncate(3, 64585888 [pid 3615] memfd_create("syzkaller", 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... memfd_create resumed>) = 3 [pid 3613] <... openat resumed>) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3615] ftruncate(3, 64585888 [pid 3613] write(3, "1000", 4 [pid 3618] write(3, "1000", 4 [pid 3615] <... ftruncate resumed>) = 0 [pid 3613] <... write resumed>) = 4 [pid 3618] <... write resumed>) = 4 [pid 3615] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3613] close(3 [pid 3618] close(3 [pid 3615] <... pwrite64 resumed>) = 69 [pid 3613] <... close resumed>) = 0 [pid 3620] <... prctl resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3617] <... ftruncate resumed>) = 0 [pid 3615] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3613] memfd_create("syzkaller", 0 [pid 3620] setpgid(0, 0 [pid 3618] memfd_create("syzkaller", 0 [pid 3617] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3615] <... pwrite64 resumed>) = 34 [pid 3613] <... memfd_create resumed>) = 3 [pid 3620] <... setpgid resumed>) = 0 [pid 3618] <... memfd_create resumed>) = 3 [pid 3617] <... pwrite64 resumed>) = 69 [pid 3615] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3613] ftruncate(3, 64585888 [pid 3612] <... ioctl resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] ftruncate(3, 64585888 [pid 3617] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3615] <... pwrite64 resumed>) = 70 [pid 3613] <... ftruncate resumed>) = 0 [pid 3612] mkdir("./file0", 0777 [pid 3620] <... openat resumed>) = 3 [pid 3618] <... ftruncate resumed>) = 0 [pid 3617] <... pwrite64 resumed>) = 34 [pid 3615] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3613] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3620] write(3, "1000", 4 [pid 3618] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3617] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3615] <... pwrite64 resumed>) = 256 [pid 3613] <... pwrite64 resumed>) = 69 [pid 3620] <... write resumed>) = 4 [pid 3618] <... pwrite64 resumed>) = 69 [pid 3617] <... pwrite64 resumed>) = 70 [pid 3615] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3612] <... mkdir resumed>) = 0 [pid 3620] close(3 [pid 3618] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3617] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3615] <... openat resumed>) = 4 [pid 3613] <... pwrite64 resumed>) = 34 [pid 3612] mount("/dev/loop0", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3620] <... close resumed>) = 0 [pid 3618] <... pwrite64 resumed>) = 34 [pid 3617] <... pwrite64 resumed>) = 256 [pid 3615] ioctl(4, LOOP_SET_FD, 3 [pid 3613] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3620] memfd_create("syzkaller", 0 [pid 3618] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3620] <... memfd_create resumed>) = 3 [pid 3617] <... openat resumed>) = 4 [pid 3620] ftruncate(3, 64585888 [pid 3617] ioctl(4, LOOP_SET_FD, 3 [pid 3620] <... ftruncate resumed>) = 0 [pid 3618] <... pwrite64 resumed>) = 70 [pid 3615] <... ioctl resumed>) = 0 [pid 3613] <... pwrite64 resumed>) = 70 syzkaller login: [ 42.905048][ T3612] loop0: detected capacity change from 0 to 126144 [ 42.935716][ T3615] loop1: detected capacity change from 0 to 126144 [ 42.937371][ T3617] loop2: detected capacity change from 0 to 126144 [pid 3620] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192) = 69 [pid 3618] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3615] mkdir("./file0", 0777 [pid 3613] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3620] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536) = 34 [pid 3620] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632) = 70 [pid 3620] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632) = 256 [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3620] ioctl(4, LOOP_SET_FD, 3 [pid 3618] <... pwrite64 resumed>) = 256 [pid 3615] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... pwrite64 resumed>) = 256 [pid 3620] <... ioctl resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3615] mount("/dev/loop1", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3613] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3618] <... openat resumed>) = 4 [pid 3613] <... openat resumed>) = 4 [pid 3620] mkdir("./file0", 0777 [pid 3618] ioctl(4, LOOP_SET_FD, 3 [ 42.952505][ T3612] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.955778][ T3620] loop5: detected capacity change from 0 to 126144 [ 42.972801][ T3612] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 42.982468][ T3612] REISERFS (device loop0): using ordered data mode [ 42.988989][ T3612] reiserfs: using flush barriers [ 42.997500][ T3618] loop4: detected capacity change from 0 to 126144 [pid 3613] ioctl(4, LOOP_SET_FD, 3 [pid 3620] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3617] <... ioctl resumed>) = 0 [pid 3618] <... ioctl resumed>) = 0 [pid 3617] mkdir("./file0", 0777 [pid 3618] mkdir("./file0", 0777 [pid 3617] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3618] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3617] mount("/dev/loop2", "./file0", "reiserfs", MS_LAZYTIME, "" [ 42.997565][ T3612] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.005558][ T3613] loop3: detected capacity change from 0 to 126144 [ 43.025701][ T3612] REISERFS (device loop0): checking transaction log (loop0) [ 43.035170][ T3615] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 3618] mount("/dev/loop4", "./file0", "reiserfs", MS_LAZYTIME, "" [ 43.035851][ T3617] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.048319][ T3615] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 43.071125][ T3615] REISERFS (device loop1): using ordered data mode [ 43.072164][ T3620] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.077682][ T3618] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 3620] mount("/dev/loop5", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3613] <... ioctl resumed>) = 0 [pid 3613] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 43.104272][ T3615] reiserfs: using flush barriers [ 43.109802][ T3612] REISERFS (device loop0): Using r5 hash to sort names [ 43.110293][ T3618] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 43.126037][ T3615] REISERFS (device loop1): journal params: device loop1, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.129465][ T3618] REISERFS (device loop4): using ordered data mode [ 43.143403][ T3612] REISERFS (device loop0): using 3.5.x disk format [ 43.150466][ T3618] reiserfs: using flush barriers [ 43.162065][ T3613] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.162862][ T3618] REISERFS (device loop4): journal params: device loop4, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.179083][ T3620] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 43.199693][ T3618] REISERFS (device loop4): checking transaction log (loop4) [ 43.215258][ T3615] REISERFS (device loop1): checking transaction log (loop1) [ 43.218435][ T3618] REISERFS (device loop4): Using r5 hash to sort names [ 43.229741][ T3612] REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 43.239912][ T3618] REISERFS (device loop4): using 3.5.x disk format [ 43.244541][ T3613] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 43.251708][ T3617] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 43.263459][ T3615] REISERFS (device loop1): Using r5 hash to sort names [ 43.273195][ T3618] REISERFS warning (device loop4): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 43.282174][ T3620] REISERFS (device loop5): using ordered data mode [ 43.296950][ T3617] REISERFS (device loop2): using ordered data mode [pid 3613] mount("/dev/loop3", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3612] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [ 43.297281][ T3613] REISERFS (device loop3): using ordered data mode [ 43.304991][ T3617] reiserfs: using flush barriers [ 43.312678][ T3615] REISERFS (device loop1): using 3.5.x disk format [ 43.323235][ T3613] reiserfs: using flush barriers [ 43.324115][ T3617] REISERFS (device loop2): journal params: device loop2, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.329208][ T3620] reiserfs: using flush barriers [pid 3612] ioctl(4, LOOP_CLR_FD [pid 3618] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [ 43.351797][ T3613] REISERFS (device loop3): journal params: device loop3, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.370727][ T3615] REISERFS warning (device loop1): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 43.383515][ T3617] REISERFS (device loop2): checking transaction log (loop2) [ 43.390378][ T3613] REISERFS (device loop3): checking transaction log (loop3) [ 43.394152][ T3617] REISERFS (device loop2): Using r5 hash to sort names [pid 3618] ioctl(4, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = 0 [ 43.408548][ T3617] REISERFS (device loop2): using 3.5.x disk format [ 43.415563][ T3620] REISERFS (device loop5): journal params: device loop5, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.438827][ T3613] REISERFS (device loop3): Using r5 hash to sort names [pid 3612] close(4 [pid 3615] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3615] ioctl(4, LOOP_CLR_FD [pid 3612] <... close resumed>) = 0 [pid 3612] close(3) = 0 [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [ 43.439423][ T3617] REISERFS warning (device loop2): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 43.450071][ T3620] REISERFS (device loop5): checking transaction log (loop5) [ 43.467800][ T3613] REISERFS (device loop3): using 3.5.x disk format [ 43.475796][ T3613] REISERFS warning (device loop3): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 43.492357][ T3620] REISERFS (device loop5): Using r5 hash to sort names [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3613] ioctl(4, LOOP_CLR_FD [pid 3608] <... openat resumed>) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3617] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3608] close(3 [pid 3617] ioctl(4, LOOP_CLR_FD [pid 3608] <... close resumed>) = 0 [pid 3615] <... ioctl resumed>) = 0 [pid 3615] close(4) = 0 [pid 3615] close(3) = 0 [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3618] <... ioctl resumed>) = 0 [pid 3618] close(4) = 0 [pid 3618] close(3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=13} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] <... close resumed>) = 0 ./strace-static-x86_64: Process 3629 attached [pid 3620] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3618] exit_group(0 [pid 3613] <... ioctl resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555556485d0) = 3629 [pid 3620] ioctl(4, LOOP_CLR_FD [pid 3618] <... exit_group resumed>) = ? [pid 3613] close(4 [pid 3609] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3618] +++ exited with 0 +++ [pid 3613] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=18} --- [pid 3613] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3613] <... close resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] <... openat resumed>) = 3 [pid 3613] exit_group(0 [pid 3609] close(3 [pid 3629] write(3, "1000", 4 [pid 3613] <... exit_group resumed>) = ? [pid 3629] <... write resumed>) = 4 [pid 3617] <... ioctl resumed>) = 0 [pid 3613] +++ exited with 0 +++ [pid 3609] <... close resumed>) = 0 [ 43.513440][ T3620] REISERFS (device loop5): using 3.5.x disk format [ 43.521114][ T3620] REISERFS warning (device loop5): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [pid 3629] close(3 [pid 3617] close(4 [pid 3614] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] <... close resumed>) = 0 [pid 3617] <... close resumed>) = 0 [pid 3614] <... openat resumed>) = 3 [pid 3629] memfd_create("syzkaller", 0 [pid 3617] close(3 [pid 3614] ioctl(3, LOOP_CLR_FD [pid 3609] <... clone resumed>, child_tidptr=0x5555556485d0) = 3630 [pid 3629] <... memfd_create resumed>) = 3 [pid 3617] <... close resumed>) = 0 [pid 3614] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] ftruncate(3, 64585888 [pid 3617] exit_group(0 [pid 3614] close(3 [pid 3629] <... ftruncate resumed>) = 0 [pid 3617] <... exit_group resumed>) = ? [pid 3614] <... close resumed>) = 0 ./strace-static-x86_64: Process 3630 attached [pid 3629] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3617] +++ exited with 0 +++ [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] <... pwrite64 resumed>) = 69 [pid 3620] <... ioctl resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=16} --- [pid 3630] <... prctl resumed>) = 0 [pid 3629] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3620] close(4 [pid 3614] <... clone resumed>, child_tidptr=0x5555556485d0) = 3631 [pid 3611] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3631 attached [pid 3630] setpgid(0, 0 [pid 3629] <... pwrite64 resumed>) = 34 [pid 3620] <... close resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3630] <... setpgid resumed>) = 0 [pid 3629] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3620] close(3 [pid 3611] close(3 [pid 3610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3631] <... prctl resumed>) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] <... pwrite64 resumed>) = 70 [pid 3620] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 3631] setpgid(0, 0 [pid 3630] <... openat resumed>) = 3 [pid 3629] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3620] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3631] <... setpgid resumed>) = 0 [pid 3630] write(3, "1000", 4 [pid 3629] <... pwrite64 resumed>) = 256 [pid 3620] <... exit_group resumed>) = ? [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3632 attached [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3630] <... write resumed>) = 4 [pid 3629] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3620] +++ exited with 0 +++ [pid 3611] <... clone resumed>, child_tidptr=0x5555556485d0) = 3632 [pid 3610] close(3 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3631] <... openat resumed>) = 3 [pid 3630] close(3 [pid 3629] <... openat resumed>) = 4 [pid 3632] <... prctl resumed>) = 0 [pid 3631] write(3, "1000", 4 [pid 3630] <... close resumed>) = 0 [pid 3629] ioctl(4, LOOP_SET_FD, 3 [pid 3632] setpgid(0, 0 [pid 3631] <... write resumed>) = 4 [pid 3630] memfd_create("syzkaller", 0 [pid 3629] <... ioctl resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3632] <... setpgid resumed>) = 0 [pid 3631] close(3 [pid 3630] <... memfd_create resumed>) = 3 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3631] <... close resumed>) = 0 [pid 3630] ftruncate(3, 64585888 [pid 3629] mkdir("./file0", 0777 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=18} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3632] <... openat resumed>) = 3 [pid 3631] memfd_create("syzkaller", 0 [pid 3630] <... ftruncate resumed>) = 0 [pid 3616] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3632] write(3, "1000", 4 [pid 3631] <... memfd_create resumed>) = 3 [pid 3630] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3629] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3632] <... write resumed>) = 4 [pid 3631] ftruncate(3, 64585888 [pid 3630] <... pwrite64 resumed>) = 69 [pid 3629] mount("/dev/loop0", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3616] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x5555556485d0) = 3633 [pid 3632] close(3 [pid 3631] <... ftruncate resumed>) = 0 [pid 3630] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3632] <... close resumed>) = 0 [pid 3631] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3630] <... pwrite64 resumed>) = 34 [pid 3616] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3633 attached [pid 3632] memfd_create("syzkaller", 0 [pid 3631] <... pwrite64 resumed>) = 69 [pid 3630] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3616] close(3 [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3632] <... memfd_create resumed>) = 3 [pid 3631] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3630] <... pwrite64 resumed>) = 70 [pid 3616] <... close resumed>) = 0 [pid 3633] <... prctl resumed>) = 0 [pid 3632] ftruncate(3, 64585888 [pid 3631] <... pwrite64 resumed>) = 34 [pid 3630] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3633] setpgid(0, 0 [pid 3632] <... ftruncate resumed>) = 0 [pid 3631] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3630] <... pwrite64 resumed>) = 256 [pid 3633] <... setpgid resumed>) = 0 [pid 3632] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3631] <... pwrite64 resumed>) = 70 [pid 3630] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3632] <... pwrite64 resumed>) = 69 [pid 3631] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3630] <... openat resumed>) = 4 ./strace-static-x86_64: Process 3635 attached [pid 3633] <... openat resumed>) = 3 [pid 3632] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3631] <... pwrite64 resumed>) = 256 [pid 3630] ioctl(4, LOOP_SET_FD, 3 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3633] write(3, "1000", 4 [pid 3632] <... pwrite64 resumed>) = 34 [pid 3631] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3630] <... ioctl resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x5555556485d0) = 3635 [pid 3633] <... write resumed>) = 4 [pid 3632] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3631] <... openat resumed>) = 4 [pid 3633] close(3 [pid 3632] <... pwrite64 resumed>) = 70 [ 43.619304][ T3629] loop0: detected capacity change from 0 to 126144 [ 43.644050][ T3629] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.659135][ T3630] loop1: detected capacity change from 0 to 126144 [pid 3631] ioctl(4, LOOP_SET_FD, 3 [pid 3630] mkdir("./file0", 0777 [pid 3635] <... prctl resumed>) = 0 [pid 3633] <... close resumed>) = 0 [pid 3632] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3631] <... ioctl resumed>) = 0 [pid 3635] setpgid(0, 0 [pid 3633] memfd_create("syzkaller", 0 [pid 3632] <... pwrite64 resumed>) = 256 [pid 3631] mkdir("./file0", 0777 [pid 3630] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3635] <... setpgid resumed>) = 0 [pid 3633] <... memfd_create resumed>) = 3 [pid 3632] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3631] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3630] mount("/dev/loop1", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3633] ftruncate(3, 64585888 [pid 3632] <... openat resumed>) = 4 [pid 3631] mount("/dev/loop4", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3635] <... openat resumed>) = 3 [pid 3633] <... ftruncate resumed>) = 0 [pid 3632] ioctl(4, LOOP_SET_FD, 3 [pid 3635] write(3, "1000", 4 [pid 3633] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3635] <... write resumed>) = 4 [pid 3633] <... pwrite64 resumed>) = 69 [pid 3635] close(3 [pid 3633] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3632] <... ioctl resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3633] <... pwrite64 resumed>) = 34 [pid 3635] memfd_create("syzkaller", 0 [pid 3633] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3632] mkdir("./file0", 0777 [pid 3635] <... memfd_create resumed>) = 3 [pid 3633] <... pwrite64 resumed>) = 70 [pid 3632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3635] ftruncate(3, 64585888 [pid 3633] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3632] mount("/dev/loop3", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3635] <... ftruncate resumed>) = 0 [pid 3633] <... pwrite64 resumed>) = 256 [pid 3635] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3633] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3635] <... pwrite64 resumed>) = 69 [pid 3633] <... openat resumed>) = 4 [pid 3635] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [ 43.668989][ T3631] loop4: detected capacity change from 0 to 126144 [ 43.679541][ T3629] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 43.688905][ T3632] loop3: detected capacity change from 0 to 126144 [ 43.689615][ T3629] REISERFS (device loop0): using ordered data mode [ 43.702471][ T3633] loop2: detected capacity change from 0 to 126144 [pid 3633] ioctl(4, LOOP_SET_FD, 3 [pid 3635] <... pwrite64 resumed>) = 34 [pid 3635] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632) = 70 [pid 3635] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632) = 256 [pid 3633] <... ioctl resumed>) = 0 [pid 3635] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3633] mkdir("./file0", 0777 [pid 3635] ioctl(4, LOOP_SET_FD, 3 [pid 3633] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3633] mount("/dev/loop2", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3635] <... ioctl resumed>) = 0 [pid 3635] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 43.702884][ T3630] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.711683][ T3635] loop5: detected capacity change from 0 to 126144 [ 43.722064][ T3631] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.732650][ T3629] reiserfs: using flush barriers [ 43.742280][ T3633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.749719][ T3630] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 43.768705][ T3629] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.768989][ T3630] REISERFS (device loop1): using ordered data mode [ 43.785012][ T3632] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.785034][ T3632] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 43.785112][ T3632] REISERFS (device loop3): using ordered data mode [ 43.792261][ T3630] reiserfs: using flush barriers [ 43.805885][ T3635] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.814996][ T3631] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 43.838591][ T3635] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 43.838682][ T3635] REISERFS (device loop5): using ordered data mode [ 43.848714][ T3633] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 43.862539][ T3629] REISERFS (device loop0): checking transaction log (loop0) [ 43.863871][ T3633] REISERFS (device loop2): using ordered data mode [ 43.873144][ T3632] reiserfs: using flush barriers [ 43.886685][ T3635] reiserfs: using flush barriers [ 43.892846][ T3633] reiserfs: using flush barriers [ 43.897883][ T3635] REISERFS (device loop5): journal params: device loop5, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.902028][ T3630] REISERFS (device loop1): journal params: device loop1, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.922967][ T3635] REISERFS (device loop5): checking transaction log (loop5) [ 43.936095][ T3631] REISERFS (device loop4): using ordered data mode [ 43.942300][ T3629] REISERFS (device loop0): Using r5 hash to sort names [ 43.948266][ T3633] REISERFS (device loop2): journal params: device loop2, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.955031][ T3629] REISERFS (device loop0): using 3.5.x disk format [ 43.970993][ T3632] REISERFS (device loop3): journal params: device loop3, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 43.983022][ T3630] REISERFS (device loop1): checking transaction log (loop1) [ 44.002975][ T3635] REISERFS (device loop5): Using r5 hash to sort names [ 44.008356][ T3633] REISERFS (device loop2): checking transaction log (loop2) [ 44.010678][ T3629] REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.021319][ T3632] REISERFS (device loop3): checking transaction log (loop3) [ 44.031758][ T3631] reiserfs: using flush barriers [ 44.039705][ T3633] REISERFS (device loop2): Using r5 hash to sort names [ 44.044042][ T3635] REISERFS (device loop5): using 3.5.x disk format [ 44.052228][ T3632] REISERFS (device loop3): Using r5 hash to sort names [ 44.057462][ T3635] REISERFS warning (device loop5): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.065587][ T3633] REISERFS (device loop2): using 3.5.x disk format [ 44.085406][ T3631] REISERFS (device loop4): journal params: device loop4, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.086630][ T3632] REISERFS (device loop3): using 3.5.x disk format [ 44.102658][ T3630] REISERFS (device loop1): Using r5 hash to sort names [pid 3635] mount("/dev/loop5", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3629] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3629] ioctl(4, LOOP_CLR_FD [pid 3635] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [ 44.109789][ T3633] REISERFS warning (device loop2): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.122047][ T3630] REISERFS (device loop1): using 3.5.x disk format [ 44.131113][ T3632] REISERFS warning (device loop3): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.156975][ T3630] REISERFS warning (device loop1): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [pid 3635] ioctl(4, LOOP_CLR_FD [pid 3633] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3633] ioctl(4, LOOP_CLR_FD [pid 3632] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3632] ioctl(4, LOOP_CLR_FD [pid 3629] <... ioctl resumed>) = 0 [pid 3635] <... ioctl resumed>) = 0 [pid 3633] <... ioctl resumed>) = 0 [pid 3629] close(4 [pid 3633] close(4) = 0 [pid 3635] close(4 [pid 3633] close(3 [pid 3630] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3629] <... close resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3633] <... close resumed>) = 0 [pid 3630] ioctl(4, LOOP_CLR_FD [pid 3629] close(3 [pid 3635] close(3 [pid 3633] exit_group(0 [pid 3635] <... close resumed>) = 0 [pid 3633] <... exit_group resumed>) = ? [pid 3629] <... close resumed>) = 0 [pid 3635] exit_group(0 [pid 3633] +++ exited with 0 +++ [pid 3632] <... ioctl resumed>) = 0 [pid 3629] exit_group(0 [pid 3635] <... exit_group resumed>) = ? [pid 3632] close(4 [pid 3629] <... exit_group resumed>) = ? [pid 3632] <... close resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3635] +++ exited with 0 +++ [pid 3632] close(3 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3632] <... close resumed>) = 0 [pid 3629] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3610] <... restart_syscall resumed>) = 0 [pid 3632] exit_group(0) = ? [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3632] +++ exited with 0 +++ [pid 3616] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3608] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3616] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 3608] <... openat resumed>) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3608] ioctl(3, LOOP_CLR_FD [pid 3616] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3616] close(3 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3610] close(3 [pid 3608] close(3 [pid 3616] <... close resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3608] <... close resumed>) = 0 [ 44.174661][ T3631] REISERFS (device loop4): checking transaction log (loop4) [ 44.183367][ T3631] REISERFS (device loop4): Using r5 hash to sort names [ 44.195674][ T3631] REISERFS (device loop4): using 3.5.x disk format [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x5555556485d0) = 3641 [pid 3608] <... clone resumed>, child_tidptr=0x5555556485d0) = 3642 [pid 3611] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3611] close(3) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556485d0) = 3643 [pid 3630] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 3642 attached [pid 3630] close(4 [pid 3616] <... clone resumed>, child_tidptr=0x5555556485d0) = 3644 ./strace-static-x86_64: Process 3641 attached [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3630] <... close resumed>) = 0 [pid 3642] <... prctl resumed>) = 0 [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3630] close(3 [pid 3642] setpgid(0, 0 [pid 3641] <... prctl resumed>) = 0 [pid 3630] <... close resumed>) = 0 [pid 3642] <... setpgid resumed>) = 0 [pid 3641] setpgid(0, 0 [pid 3630] exit_group(0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3641] <... setpgid resumed>) = 0 [pid 3630] <... exit_group resumed>) = ? [pid 3642] <... openat resumed>) = 3 [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3630] +++ exited with 0 +++ ./strace-static-x86_64: Process 3644 attached ./strace-static-x86_64: Process 3643 attached [pid 3642] write(3, "1000", 4 [pid 3641] <... openat resumed>) = 3 [pid 3642] <... write resumed>) = 4 [pid 3641] write(3, "1000", 4 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=20} --- [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3642] close(3 [pid 3641] <... write resumed>) = 4 [pid 3609] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3644] <... prctl resumed>) = 0 [pid 3643] <... prctl resumed>) = 0 [pid 3642] <... close resumed>) = 0 [pid 3641] close(3 [pid 3609] <... openat resumed>) = 3 [pid 3644] setpgid(0, 0 [pid 3643] setpgid(0, 0 [pid 3642] memfd_create("syzkaller", 0 [pid 3641] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3644] <... setpgid resumed>) = 0 [pid 3643] <... setpgid resumed>) = 0 [pid 3642] <... memfd_create resumed>) = 3 [pid 3641] memfd_create("syzkaller", 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3642] ftruncate(3, 64585888 [pid 3641] <... memfd_create resumed>) = 3 [pid 3609] close(3 [pid 3644] <... openat resumed>) = 3 [pid 3643] <... openat resumed>) = 3 [pid 3642] <... ftruncate resumed>) = 0 [pid 3641] ftruncate(3, 64585888 [pid 3609] <... close resumed>) = 0 [pid 3644] write(3, "1000", 4 [pid 3643] write(3, "1000", 4 [pid 3642] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3641] <... ftruncate resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3644] <... write resumed>) = 4 [pid 3643] <... write resumed>) = 4 [pid 3642] <... pwrite64 resumed>) = 69 [pid 3641] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3644] close(3 [pid 3643] close(3 [pid 3642] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3641] <... pwrite64 resumed>) = 69 [pid 3609] <... clone resumed>, child_tidptr=0x5555556485d0) = 3645 ./strace-static-x86_64: Process 3645 attached [pid 3644] <... close resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] <... pwrite64 resumed>) = 34 [pid 3641] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3644] memfd_create("syzkaller", 0 [pid 3643] memfd_create("syzkaller", 0 [pid 3642] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3641] <... pwrite64 resumed>) = 34 [pid 3645] <... prctl resumed>) = 0 [pid 3644] <... memfd_create resumed>) = 3 [pid 3643] <... memfd_create resumed>) = 3 [pid 3642] <... pwrite64 resumed>) = 70 [pid 3641] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3645] setpgid(0, 0 [pid 3644] ftruncate(3, 64585888 [pid 3643] ftruncate(3, 64585888 [pid 3642] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3641] <... pwrite64 resumed>) = 70 [pid 3645] <... setpgid resumed>) = 0 [pid 3644] <... ftruncate resumed>) = 0 [pid 3643] <... ftruncate resumed>) = 0 [pid 3642] <... pwrite64 resumed>) = 256 [ 44.251347][ T3631] REISERFS warning (device loop4): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [pid 3641] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3644] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3643] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3642] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3641] <... pwrite64 resumed>) = 256 [pid 3645] <... openat resumed>) = 3 [pid 3644] <... pwrite64 resumed>) = 69 [pid 3643] <... pwrite64 resumed>) = 69 [pid 3642] <... openat resumed>) = 4 [pid 3641] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3642] ioctl(4, LOOP_SET_FD, 3 [pid 3641] <... openat resumed>) = 4 [pid 3645] write(3, "1000", 4 [pid 3644] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3643] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3641] ioctl(4, LOOP_SET_FD, 3 [pid 3645] <... write resumed>) = 4 [pid 3644] <... pwrite64 resumed>) = 34 [pid 3643] <... pwrite64 resumed>) = 34 [pid 3642] <... ioctl resumed>) = 0 [pid 3645] close(3 [pid 3644] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3643] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3642] mkdir("./file0", 0777 [pid 3641] <... ioctl resumed>) = 0 [pid 3645] <... close resumed>) = 0 [pid 3644] <... pwrite64 resumed>) = 70 [pid 3643] <... pwrite64 resumed>) = 70 [pid 3642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3641] mkdir("./file0", 0777 [pid 3645] memfd_create("syzkaller", 0 [pid 3644] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3642] mount("/dev/loop0", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3645] <... memfd_create resumed>) = 3 [pid 3644] <... pwrite64 resumed>) = 256 [pid 3643] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632 [pid 3641] mount("/dev/loop2", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3645] ftruncate(3, 64585888 [pid 3644] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3643] <... pwrite64 resumed>) = 256 [pid 3645] <... ftruncate resumed>) = 0 [pid 3644] <... openat resumed>) = 4 [pid 3643] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 44.321907][ T3642] loop0: detected capacity change from 0 to 126144 [ 44.330894][ T3641] loop2: detected capacity change from 0 to 126144 [ 44.354643][ T3641] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 3645] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3644] ioctl(4, LOOP_SET_FD, 3 [pid 3643] <... openat resumed>) = 4 [pid 3645] <... pwrite64 resumed>) = 69 [pid 3631] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3631] ioctl(4, LOOP_CLR_FD [pid 3645] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3644] <... ioctl resumed>) = 0 [pid 3643] ioctl(4, LOOP_SET_FD, 3 [pid 3645] <... pwrite64 resumed>) = 34 [ 44.368366][ T3642] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.372661][ T3644] loop5: detected capacity change from 0 to 126144 [ 44.386758][ T3642] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 44.388774][ T3641] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 44.400245][ T3642] REISERFS (device loop0): using ordered data mode [ 44.407560][ T3643] loop3: detected capacity change from 0 to 126144 [pid 3644] mkdir("./file0", 0777 [pid 3645] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632 [pid 3644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3645] <... pwrite64 resumed>) = 70 [pid 3644] mount("/dev/loop5", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3645] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632) = 256 [pid 3631] <... ioctl resumed>) = 0 [pid 3631] close(4) = 0 [pid 3645] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3631] close(3 [pid 3645] <... openat resumed>) = 4 [pid 3645] ioctl(4, LOOP_SET_FD, 3 [pid 3631] <... close resumed>) = 0 [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3614] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3614] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3643] <... ioctl resumed>) = 0 [pid 3643] mkdir("./file0", 0777 [pid 3614] close(3 [pid 3643] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3614] <... close resumed>) = 0 [pid 3643] mount("/dev/loop3", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556485d0) = 3649 [ 44.421862][ T3641] REISERFS (device loop2): using ordered data mode [ 44.432283][ T3641] reiserfs: using flush barriers [ 44.442461][ T3645] loop1: detected capacity change from 0 to 126144 [ 44.447545][ T3641] REISERFS (device loop2): journal params: device loop2, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 ./strace-static-x86_64: Process 3649 attached [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] memfd_create("syzkaller", 0) = 3 [pid 3649] ftruncate(3, 64585888) = 0 [ 44.473234][ T3642] reiserfs: using flush barriers [ 44.489823][ T3642] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.490754][ T3641] REISERFS (device loop2): checking transaction log (loop2) [pid 3649] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192) = 69 [pid 3649] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536) = 34 [pid 3649] pwrite64(3, "\x01\x00\x02\x00\x5c\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x00\xd4\x0f\x01\x00\x01\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\xf4\x01\x00\x00\x02\x00\x30\x00\xa4\x0f", 70, 64581632) = 70 [pid 3649] pwrite64(3, "\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x28\x00\x04\x00\x02\x00\x00\x00\x00\x00\x00\xa5\x01\x00\x00\x00\x20\x00\x04\x00\x2e\x2e\x00\x00\x00\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x00\x00\xed\x41\x00\x00\x03\x44\x4e\x3e\x03\x22\xc3\x99\x9c\x44\x21\x4d\x2a\x1b\x73\x56\x1d\x85\x2b\x5c\xa5\x70\x2b\x1e\xf7\x86\x00\x51\x55\xb2\x1d\x96\xee\x16\x0c\x9d\x15\xed\x1d\xf2\xc4\xb8\xee\x68"..., 256, 64585632) = 256 [pid 3649] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3649] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3649] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3649] mount("/dev/loop4", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3645] <... ioctl resumed>) = 0 [pid 3645] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 44.506820][ T3644] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.528151][ T3643] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.531417][ T3649] loop4: detected capacity change from 0 to 126144 [ 44.548107][ T3643] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 44.558908][ T3643] REISERFS (device loop3): using ordered data mode [ 44.566281][ T3649] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.570128][ T3644] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 44.584678][ T3642] REISERFS (device loop0): checking transaction log (loop0) [ 44.589057][ T3644] REISERFS (device loop5): using ordered data mode [ 44.596510][ T3645] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.602651][ T3644] reiserfs: using flush barriers [ 44.615788][ T3643] reiserfs: using flush barriers [ 44.621251][ T3649] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 44.626482][ T3641] REISERFS (device loop2): Using r5 hash to sort names [ 44.634787][ T3644] REISERFS (device loop5): journal params: device loop5, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.641522][ T3641] REISERFS (device loop2): using 3.5.x disk format [ 44.658922][ T3645] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 44.664580][ T3649] REISERFS (device loop4): using ordered data mode [ 44.680426][ T3649] reiserfs: using flush barriers [ 44.680853][ T3643] REISERFS (device loop3): journal params: device loop3, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.691071][ T3644] REISERFS (device loop5): checking transaction log (loop5) [ 44.703920][ T3642] REISERFS (device loop0): Using r5 hash to sort names [ 44.708915][ T3649] REISERFS (device loop4): journal params: device loop4, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.714008][ T3649] REISERFS (device loop4): checking transaction log (loop4) [ 44.718919][ T3644] REISERFS (device loop5): Using r5 hash to sort names [ 44.732711][ T3645] REISERFS (device loop1): using ordered data mode [ 44.741949][ T3641] REISERFS warning (device loop2): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.753390][ T3645] reiserfs: using flush barriers [ 44.754482][ T3649] REISERFS (device loop4): Using r5 hash to sort names [ 44.769622][ T3642] REISERFS (device loop0): using 3.5.x disk format [ 44.772529][ T3645] REISERFS (device loop1): journal params: device loop1, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 44.781660][ T3642] REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.807040][ T3643] REISERFS (device loop3): checking transaction log (loop3) [pid 3645] mount("/dev/loop1", "./file0", "reiserfs", MS_LAZYTIME, "" [pid 3641] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [ 44.817949][ T3644] REISERFS (device loop5): using 3.5.x disk format [ 44.828713][ T3645] REISERFS (device loop1): checking transaction log (loop1) [ 44.834072][ T3644] REISERFS warning (device loop5): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.837928][ T3649] REISERFS (device loop4): using 3.5.x disk format [ 44.860408][ T3645] REISERFS (device loop1): Using r5 hash to sort names [ 44.867726][ T3645] REISERFS (device loop1): using 3.5.x disk format [pid 3641] ioctl(4, LOOP_CLR_FD [pid 3644] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [ 44.875146][ T3645] REISERFS warning (device loop1): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.890827][ T3643] REISERFS (device loop3): Using r5 hash to sort names [ 44.898086][ T3649] REISERFS warning (device loop4): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 44.913426][ T3643] REISERFS (device loop3): using 3.5.x disk format [pid 3644] ioctl(4, LOOP_CLR_FD [pid 3642] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3642] ioctl(4, LOOP_CLR_FD [pid 3649] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3644] <... ioctl resumed>) = 0 [pid 3649] ioctl(4, LOOP_CLR_FD [pid 3644] close(4) = 0 [pid 3644] close(3) = 0 [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ [pid 3645] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3645] ioctl(4, LOOP_CLR_FD [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=19} --- [pid 3643] <... mount resumed>) = -1 EOPNOTSUPP (Operation not supported) [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3643] ioctl(4, LOOP_CLR_FD [pid 3616] <... restart_syscall resumed>) = 0 [pid 3616] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3616] close(3) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556485d0) = 3653 ./strace-static-x86_64: Process 3653 attached [pid 3641] <... ioctl resumed>) = 0 [ 44.920419][ T3643] REISERFS warning (device loop3): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [pid 3641] close(4) = 0 [pid 3641] close(3) = 0 [pid 3641] exit_group(0 [pid 3649] <... ioctl resumed>) = 0 [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3642] <... ioctl resumed>) = 0 [pid 3641] <... exit_group resumed>) = ? [pid 3642] close(4 [pid 3641] +++ exited with 0 +++ [pid 3642] <... close resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=18} --- [pid 3642] close(3 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3649] close(4 [pid 3642] <... close resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 3649] <... close resumed>) = 0 [pid 3642] exit_group(0 [pid 3649] close(3 [pid 3642] <... exit_group resumed>) = ? [pid 3649] <... close resumed>) = 0 [pid 3642] +++ exited with 0 +++ [pid 3610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3649] exit_group(0 [pid 3610] <... openat resumed>) = 3 [pid 3653] <... prctl resumed>) = 0 [pid 3649] <... exit_group resumed>) = ? [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 3610] close(3 [pid 3608] <... restart_syscall resumed>) = 0 [pid 3653] setpgid(0, 0 [pid 3649] +++ exited with 0 +++ [pid 3610] <... close resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=15} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3653] <... setpgid resumed>) = 0 [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 3608] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3614] <... restart_syscall resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555556485d0) = 3654 [pid 3608] <... openat resumed>) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3614] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3608] close(3 [pid 3614] <... openat resumed>) = 3 [pid 3608] <... close resumed>) = 0 ./strace-static-x86_64: Process 3654 attached [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3645] <... ioctl resumed>) = 0 [pid 3643] <... ioctl resumed>) = 0 [pid 3614] ioctl(3, LOOP_CLR_FD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3653] <... openat resumed>) = 3 [pid 3645] close(4 [pid 3643] close(4 [pid 3614] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3654] <... prctl resumed>) = 0 [pid 3653] write(3, "1000", 4 [pid 3645] <... close resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3614] close(3 [pid 3608] <... clone resumed>, child_tidptr=0x5555556485d0) = 3655 [pid 3654] setpgid(0, 0 [pid 3653] <... write resumed>) = 4 [pid 3645] close(3 [pid 3643] close(3 [pid 3614] <... close resumed>) = 0 ./strace-static-x86_64: Process 3655 attached [pid 3654] <... setpgid resumed>) = 0 [pid 3653] close(3 [pid 3645] <... close resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3653] <... close resumed>) = 0 [pid 3645] exit_group(0 [pid 3643] exit_group(0 [pid 3655] <... prctl resumed>) = 0 [pid 3654] <... openat resumed>) = 3 [pid 3653] memfd_create("syzkaller", 0 [pid 3645] <... exit_group resumed>) = ? [pid 3643] <... exit_group resumed>) = ? [pid 3614] <... clone resumed>, child_tidptr=0x5555556485d0) = 3656 [pid 3655] setpgid(0, 0 [pid 3654] write(3, "1000", 4 [pid 3653] <... memfd_create resumed>) = 3 [pid 3645] +++ exited with 0 +++ ./strace-static-x86_64: Process 3656 attached [pid 3655] <... setpgid resumed>) = 0 [pid 3654] <... write resumed>) = 4 [pid 3653] ftruncate(3, 64585888 [pid 3643] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3654] close(3 [pid 3653] <... ftruncate resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=14} --- [pid 3656] <... prctl resumed>) = 0 [pid 3655] <... openat resumed>) = 3 [pid 3654] <... close resumed>) = 0 [pid 3653] pwrite64(3, "\x00\x02\x00\x00\x68\x02\x00\x00\x97\x3d\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03\x00\x00\x1e\x00\x00\x00\x00\x00\x27\xd0\x00\x10\xcc\x03\x02\x00\x01\x00\x52\x65\x49\x73\x45\x72\x33\x46\x73\x00\x00\x00\x03\x00\x00\x00\x02", 69, 8192 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3656] setpgid(0, 0 [pid 3655] write(3, "1000", 4 [pid 3654] memfd_create("syzkaller", 0 [pid 3653] <... pwrite64 resumed>) = 69 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3656] <... setpgid resumed>) = 0 [pid 3655] <... write resumed>) = 4 [pid 3654] <... memfd_create resumed>) = 3 [pid 3653] pwrite64(3, "\x00\x00\x02\x00\x00\x00\x00\x00\x00\x5c\xc9\xab\xc7\x00\x00\x00\x00\x1e\x00\x00\x84\x3d\x00\x00\x00\x04\x00\x00\x73\x56\x4d\x38\x84\x03", 34, 64577536 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3655] close(3