./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1133881517 <...> Warning: Permanently added '10.128.0.156' (ED25519) to the list of known hosts. execve("./syz-executor1133881517", ["./syz-executor1133881517"], 0x7ffe9ac257c0 /* 10 vars */) = 0 brk(NULL) = 0x555572f38000 brk(0x555572f38d00) = 0x555572f38d00 arch_prctl(ARCH_SET_FS, 0x555572f38380) = 0 set_tid_address(0x555572f38650) = 5828 set_robust_list(0x555572f38660, 24) = 0 rseq(0x555572f38ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1133881517", 4096) = 28 getrandom("\x92\xb1\x8d\x4d\xe4\x74\xbe\x63", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572f38d00 brk(0x555572f59d00) = 0x555572f59d00 brk(0x555572f5a000) = 0x555572f5a000 mprotect(0x7f27340e9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached , child_tidptr=0x555572f38650) = 5829 [pid 5829] set_robust_list(0x555572f38660, 24) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] mkdir("./syzkaller.uKglkn", 0700./strace-static-x86_64: Process 5830 attached [pid 5828] <... clone resumed>, child_tidptr=0x555572f38650) = 5830 [pid 5830] set_robust_list(0x555572f38660, 24 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5831 attached [pid 5829] <... mkdir resumed>) = 0 [pid 5830] mkdir("./syzkaller.P0ePQI", 0700 [pid 5828] <... clone resumed>, child_tidptr=0x555572f38650) = 5831 [pid 5831] set_robust_list(0x555572f38660, 24 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] chmod("./syzkaller.uKglkn", 0777) = 0 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] chdir("./syzkaller.uKglkn" [pid 5831] mkdir("./syzkaller.EUOWN7", 0700 [pid 5829] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5830] chmod("./syzkaller.P0ePQI", 0777 [pid 5829] mkdir("./0", 0777 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x555572f38650) = 5832 [pid 5832] set_robust_list(0x555572f38660, 24 [pid 5830] chdir("./syzkaller.P0ePQI" [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] chmod("./syzkaller.EUOWN7", 0777 [pid 5830] <... chdir resumed>) = 0 [pid 5832] mkdir("./syzkaller.Ujoxkb", 0700 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] mkdir("./0", 0777 [pid 5831] <... chmod resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5833 attached ) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] set_robust_list(0x555572f38660, 24 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] chdir("./syzkaller.EUOWN7" [pid 5830] <... mkdir resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x555572f38650) = 5833 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] chmod("./syzkaller.Ujoxkb", 0777 [pid 5831] mkdir("./0", 0777 [pid 5832] <... chmod resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] mkdir("./syzkaller.AN25Rk", 0700 [pid 5832] chdir("./syzkaller.Ujoxkb") = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5832] mkdir("./0", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] close(3 [pid 5830] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] chmod("./syzkaller.AN25Rk", 0777 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached [pid 5833] <... chmod resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] chdir("./syzkaller.AN25Rk" [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(3) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5834] set_robust_list(0x555572f38660, 24 [pid 5833] mkdir("./0", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5836 attached [pid 5835] set_robust_list(0x555572f38660, 24 [pid 5834] chdir("./0" [pid 5830] <... clone resumed>, child_tidptr=0x555572f38650) = 5834 [pid 5834] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] set_robust_list(0x555572f38660, 24 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] chdir("./0" [pid 5835] chdir("./0" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555572f38650) = 5835 [pid 5836] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x555572f38650) = 5836 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... chdir resumed>) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5834] setpgid(0, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... prctl resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5836] setpgid(0, 0) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5837 attached [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... prctl resumed>) = 0 [pid 5833] close(3 [pid 5835] setpgid(0, 0 [pid 5834] <... setpgid resumed>) = 0 [pid 5835] <... setpgid resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] set_robust_list(0x555572f38660, 24 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5837] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5838] set_robust_list(0x555572f38660, 24 [pid 5836] <... symlink resumed>) = 0 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555572f38650) = 5838 [pid 5837] chdir("./0" [pid 5835] write(3, "1000", 4 [pid 5834] write(3, "1000", 4 [pid 5832] <... clone resumed>, child_tidptr=0x555572f38650) = 5837 [pid 5837] <... chdir resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5834] <... write resumed>) = 4 [pid 5838] chdir("./0" [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] close(3 [pid 5834] close(3 [pid 5838] <... chdir resumed>) = 0 [pid 5837] <... prctl resumed>) = 0 [pid 5836] write(1, "executing program\n", 18 [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 executing program [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... write resumed>) = 18 [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... prctl resumed>) = 0 [pid 5837] setpgid(0, 0 [pid 5836] memfd_create("syzkaller", 0 [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5838] setpgid(0, 0 [pid 5837] <... setpgid resumed>) = 0 [pid 5838] <... setpgid resumed>) = 0 [pid 5835] <... symlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... memfd_create resumed>) = 3 [pid 5834] <... symlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f272bc00000 [pid 5838] write(3, "1000", 4 [pid 5837] <... openat resumed>) = 3 [pid 5835] write(1, "executing program\n", 18executing program [pid 5834] write(1, "executing program\n", 18 [pid 5837] write(3, "1000", 4executing program [pid 5834] <... write resumed>) = 18 [pid 5838] <... write resumed>) = 4 [pid 5837] <... write resumed>) = 4 [pid 5834] memfd_create("syzkaller", 0 [pid 5835] <... write resumed>) = 18 [pid 5837] close(3 [pid 5834] <... memfd_create resumed>) = 3 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5835] memfd_create("syzkaller", 0 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] <... close resumed>) = 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... mmap resumed>) = 0x7f272bc00000 [pid 5837] <... symlink resumed>) = 0 executing program [pid 5837] write(1, "executing program\n", 18) = 18 [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5837] memfd_create("syzkaller", 0 [pid 5835] <... memfd_create resumed>) = 3 [pid 5837] <... memfd_create resumed>) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] <... symlink resumed>) = 0 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... mmap resumed>) = 0x7f272bc00000 [pid 5837] <... mmap resumed>) = 0x7f272bc00000 executing program [pid 5838] write(1, "executing program\n", 18) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f272bc00000 [pid 5837] 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 [pid 5836] 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 [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 [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 [pid 5838] 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 [pid 5837] <... write resumed>) = 16777216 [pid 5837] munmap(0x7f272bc00000, 138412032 [pid 5836] <... write resumed>) = 16777216 [pid 5836] munmap(0x7f272bc00000, 138412032 [pid 5837] <... munmap resumed>) = 0 [pid 5838] <... write resumed>) = 16777216 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5838] munmap(0x7f272bc00000, 138412032 [pid 5836] <... munmap resumed>) = 0 [pid 5835] <... write resumed>) = 16777216 [pid 5837] <... openat resumed>) = 4 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] munmap(0x7f272bc00000, 138412032 [pid 5837] <... ioctl resumed>) = 0 [pid 5836] ioctl(4, LOOP_SET_FD, 3 [pid 5837] close(3 [pid 5838] <... munmap resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5835] <... munmap resumed>) = 0 [pid 5834] <... write resumed>) = 16777216 [pid 5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] close(4 [pid 5836] close(3 [pid 5837] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] munmap(0x7f272bc00000, 138412032 [pid 5838] <... openat resumed>) = 4 [pid 5837] mkdir("./file0", 0777 [pid 5836] <... close resumed>) = 0 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5836] close(4 [pid 5835] <... openat resumed>) = 4 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5836] mkdir("./file0", 0777 [pid 5838] <... ioctl resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5836] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5838] close(3) = 0 [pid 5838] close(4) = 0 [pid 5834] <... munmap resumed>) = 0 [pid 5838] mkdir("./file0", 0777) = 0 [pid 5838] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5835] <... ioctl resumed>) = 0 [ 60.926144][ T5837] loop3: detected capacity change from 0 to 32768 [ 60.935812][ T5836] loop0: detected capacity change from 0 to 32768 [ 60.955816][ T5838] loop4: detected capacity change from 0 to 32768 [ 60.957468][ T5835] loop2: detected capacity change from 0 to 32768 [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] close(3 [pid 5834] <... openat resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5835] close(4) = 0 [pid 5835] mkdir("./file0", 0777) = 0 [pid 5835] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5834] <... ioctl resumed>) = 0 [pid 5834] close(3) = 0 [pid 5834] close(4) = 0 [pid 5834] mkdir("./file0", 0777) = 0 [ 61.046271][ T5834] loop1: detected capacity change from 0 to 32768 [ 61.139306][ T5836] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,degraded,no_splitbrain_check,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow [ 61.162596][ T5836] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 61.170846][ T5836] bcachefs (loop0): Version upgrade required: [ 61.170846][ T5836] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 61.170846][ T5836] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 61.170846][ T5836] 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 [ 61.246828][ T5836] bcachefs (loop0): dropping and reconstructing all alloc info [ 61.256788][ T5837] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 61.266623][ T5837] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 61.289304][ T5835] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 61.293497][ T5836] bcachefs (loop0): check_topology... done [ 61.307747][ T5836] bcachefs (loop0): accounting_read... [ 61.324084][ T5835] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 61.339745][ T5838] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 61.352814][ T5838] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 61.353096][ T5836] done [ 61.368936][ T5834] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [pid 5834] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5837] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = 0 [ 61.385389][ T5837] bcachefs: bch2_fs_get_tree() error: EINVAL [ 61.393157][ T5836] bcachefs (loop0): alloc_read... done [ 61.400689][ T5836] bcachefs (loop0): stripes_read... done [ 61.407782][ T5834] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 61.420717][ T5836] bcachefs (loop0): snapshots_read... done [pid 5837] close(3 [pid 5835] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 61.433973][ T5836] bcachefs (loop0): check_allocations... [ 61.495307][ T5838] bcachefs: bch2_fs_get_tree() error: EINVAL [ 61.508992][ T5835] bcachefs: bch2_fs_get_tree() error: EINVAL [pid 5838] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5838] ioctl(3, LOOP_CLR_FD) = 0 [pid 5838] close(3 [pid 5835] <... ioctl resumed>) = 0 [pid 5834] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5835] close(3 [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = 0 [ 61.558813][ T5834] bcachefs: bch2_fs_get_tree() error: EINVAL [ 61.569249][ T5836] done [ 61.585704][ T5836] bcachefs (loop0): going read-write [pid 5834] close(3 [pid 5836] <... mount resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5836] chdir("./file0") = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 61.615857][ T5836] bcachefs (loop0): done starting filesystem [pid 5836] ioctl(4, LOOP_CLR_FD) = 0 [pid 5836] close(4) = 0 [pid 5836] mkdir("./bus", 000) = 0 [pid 5836] exit_group(0) = ? [pid 5836] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=43 /* 0.43 s */} --- [pid 5837] <... close resumed>) = 0 [pid 5837] mkdir("./bus", 000) = 0 [pid 5837] exit_group(0) = ? [pid 5837] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=44 /* 0.44 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 61.728948][ T5836] syz-executor113 (5836) used greatest stack depth: 17904 bytes left [pid 5832] getdents64(3, 0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5829] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./0/binderfs") = 0 [pid 5829] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(3, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] getdents64(3, 0x555572f396f0 /* 4 entries */, 32768) = 112 [pid 5832] newfstatat(4, "", [pid 5829] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5832] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5829] unlink("./0/binderfs" [pid 5835] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./0/bus") = 0 [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./0/file0") = 0 [pid 5832] getdents64(3, 0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./0" [pid 5835] mkdir("./bus", 000 [pid 5834] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./1", 0777) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] exit_group(0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5835] <... exit_group resumed>) = ? [pid 5832] close(3 [pid 5838] <... close resumed>) = 0 [pid 5835] +++ exited with 0 +++ [pid 5834] mkdir("./bus", 000 [pid 5832] <... close resumed>) = 0 [pid 5838] mkdir("./bus", 000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=39 /* 0.39 s */} --- [pid 5834] <... mkdir resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... restart_syscall resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5834] exit_group(0 [pid 5831] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] <... exit_group resumed>) = ? [pid 5831] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5831] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] exit_group(0 [pid 5834] +++ exited with 0 +++ [pid 5831] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5838] <... exit_group resumed>) = ? [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./0/binderfs" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=38 /* 0.38 s */} --- [pid 5831] <... unlink resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5881 attached [pid 5838] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... restart_syscall resumed>) = 0 [ 61.835792][ T5829] bcachefs (loop0): shutting down [ 61.841003][ T5829] bcachefs (loop0): going read-only [ 61.855737][ T5829] bcachefs (loop0): finished waiting for writes to stop [pid 5831] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=39 /* 0.39 s */} --- [pid 5831] <... openat resumed>) = 4 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] newfstatat(4, "", [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5830] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5881] set_robust_list(0x555572f38660, 24 [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... clone resumed>, child_tidptr=0x555572f38650) = 5881 [pid 5831] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] close(4 [pid 5881] chdir("./1" [pid 5830] newfstatat(3, "", [pid 5881] <... chdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./0/bus" [pid 5830] getdents64(3, [pid 5881] <... prctl resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5881] setpgid(0, 0 [pid 5833] <... getdents64 resumed>0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5881] <... setpgid resumed>) = 0 [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./0/file0", [pid 5830] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5881] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5881] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./0/binderfs" [pid 5881] <... write resumed>) = 4 [pid 5833] unlink("./0/binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5881] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 5881] <... close resumed>) = 0 [pid 5833] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/bus", [pid 5831] newfstatat(4, "", [pid 5830] newfstatat(AT_FDCWD, "./0/bus", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5830] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... openat resumed>) = 4 [pid 5831] close(4 [pid 5830] newfstatat(4, "", [pid 5833] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5881] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./0/file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5881] write(1, "executing program\n", 18executing program [pid 5833] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5881] <... write resumed>) = 18 [pid 5833] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5881] memfd_create("syzkaller", 0 [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5881] <... memfd_create resumed>) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f272bc00000 [pid 5833] getdents64(4, [pid 5831] <... getdents64 resumed>0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] close(4 [pid 5831] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] rmdir("./0" [pid 5830] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./0/bus" [pid 5833] rmdir("./0/bus" [pid 5831] mkdir("./1", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./0/file0", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] newfstatat(AT_FDCWD, "./0/file0", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 61.899787][ T5829] bcachefs (loop0): flushing journal and stopping allocators, journal seq 11 [pid 5830] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(3 [pid 5830] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(4, "", [pid 5833] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(4, "", [pid 5831] <... clone resumed>, child_tidptr=0x555572f38650) = 5882 [pid 5830] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5882 attached [pid 5833] getdents64(4, [pid 5830] close(4 [pid 5833] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] close(4 [pid 5830] rmdir("./0/file0" [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5882] set_robust_list(0x555572f38660, 24 [pid 5833] rmdir("./0/file0" [pid 5830] getdents64(3, [pid 5882] <... set_robust_list resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5882] chdir("./1" [pid 5833] getdents64(3, [pid 5830] close(3 [pid 5882] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] close(3 [pid 5830] rmdir("./0" [pid 5882] <... prctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5882] setpgid(0, 0 [pid 5833] rmdir("./0" [pid 5830] mkdir("./1", 0777 [pid 5882] <... setpgid resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] mkdir("./1", 0777 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5882] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5882] write(3, "1000", 4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 5882] <... write resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5882] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5882] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] close(3 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5833] close(3 [pid 5830] <... close resumed>) = 0 executing program [pid 5882] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5882] write(1, "executing program\n", 18 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached [pid 5830] <... clone resumed>, child_tidptr=0x555572f38650) = 5883 [pid 5882] <... write resumed>) = 18 [ 61.958716][ T52] bcachefs (loop0): bch2_write_super(): fatal error loop0: Superblock write was silently dropped! (seq 0 expected 54) [pid 5882] memfd_create("syzkaller", 0 [pid 5884] set_robust_list(0x555572f38660, 24 [pid 5883] set_robust_list(0x555572f38660, 24 [pid 5882] <... memfd_create resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x555572f38650) = 5884 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5884] chdir("./1") = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5884] <... prctl resumed>) = 0 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... mmap resumed>) = 0x7f272bc00000 [pid 5884] setpgid(0, 0) = 0 [pid 5883] chdir("./1" [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... chdir resumed>) = 0 [pid 5884] <... openat resumed>) = 3 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] symlink("/dev/binderfs", "./binderfs" [pid 5883] <... prctl resumed>) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] symlink("/dev/binderfs", "./binderfs"executing program [pid 5884] <... symlink resumed>) = 0 [pid 5883] <... symlink resumed>) = 0 [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] memfd_create("syzkaller", 0executing program [pid 5883] write(1, "executing program\n", 18 [pid 5884] <... memfd_create resumed>) = 3 [pid 5883] <... write resumed>) = 18 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5883] memfd_create("syzkaller", 0) = 3 [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f272bc00000 [pid 5884] <... mmap resumed>) = 0x7f272bc00000 [ 62.011672][ T52] bcachefs (loop0): fatal error - emergency read only [ 62.046593][ T5829] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 13 [ 62.084384][ T5829] bcachefs (loop0): unshutdown complete, journal seq 13 [ 62.092564][ T5829] bcachefs (loop0): done going read-only, filesystem not clean [ 62.188639][ T5829] bcachefs (loop0): shutdown complete [pid 5881] 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 [pid 5883] 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 [pid 5882] 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 [pid 5884] 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 [pid 5881] <... write resumed>) = 16777216 [pid 5881] munmap(0x7f272bc00000, 138412032) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5881] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5881] close(3) = 0 [pid 5881] close(4) = 0 [ 62.615399][ T5881] loop3: detected capacity change from 0 to 32768 [pid 5883] <... write resumed>) = 16777216 [pid 5884] <... write resumed>) = 16777216 [pid 5882] <... write resumed>) = 16777216 [pid 5881] mkdir("./file0", 0777 [pid 5883] munmap(0x7f272bc00000, 138412032 [pid 5884] munmap(0x7f272bc00000, 138412032 [pid 5882] munmap(0x7f272bc00000, 138412032 [pid 5881] <... mkdir resumed>) = 0 [pid 5881] mount("/dev/loop3", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5883] <... munmap resumed>) = 0 [pid 5884] <... munmap resumed>) = 0 [pid 5882] <... munmap resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5883] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5884] <... openat resumed>) = 4 [pid 5884] ioctl(4, LOOP_SET_FD, 3 [pid 5883] <... openat resumed>) = 4 [pid 5882] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5884] <... ioctl resumed>) = 0 [pid 5883] ioctl(4, LOOP_SET_FD, 3 [pid 5882] <... ioctl resumed>) = 0 [pid 5882] close(3) = 0 [pid 5882] close(4) = 0 [pid 5882] mkdir("./file0", 0777 [pid 5884] close(3 [pid 5883] <... ioctl resumed>) = 0 [pid 5884] <... close resumed>) = 0 [pid 5883] close(3 [pid 5882] <... mkdir resumed>) = 0 [pid 5884] close(4) = 0 [pid 5883] <... close resumed>) = 0 [pid 5884] mkdir("./file0", 0777 [pid 5882] mount("/dev/loop2", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5884] <... mkdir resumed>) = 0 [pid 5883] close(4 [pid 5884] mount("/dev/loop4", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5883] <... close resumed>) = 0 [pid 5883] mkdir("./file0", 0777) = 0 [ 62.707173][ T5884] loop4: detected capacity change from 0 to 32768 [ 62.709366][ T5882] loop2: detected capacity change from 0 to 32768 [ 62.715423][ T5883] loop1: detected capacity change from 0 to 32768 [ 62.960486][ T5881] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 62.961143][ T5882] bcachefs (loop2): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,degraded,no_splitbrain_check,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow [ 62.972215][ T5881] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 62.997760][ T5882] bcachefs (loop2): recovering from clean shutdown, journal seq 10 [ 63.013434][ T5882] bcachefs (loop2): Version upgrade required: [ 63.013434][ T5882] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 63.013434][ T5882] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 63.013434][ T5882] 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 [ 63.025442][ T5883] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 63.104303][ T5883] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 63.104411][ T5884] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open [ 63.164181][ T5884] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete [ 63.188564][ T5882] bcachefs (loop2): dropping and reconstructing all alloc info [pid 5883] mount("/dev/loop1", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"... [pid 5881] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5881] ioctl(3, LOOP_CLR_FD) = 0 [ 63.226453][ T5881] bcachefs: bch2_fs_get_tree() error: EINVAL [ 63.275318][ T5882] bcachefs (loop2): check_topology... done [pid 5881] close(3 [pid 5884] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5883] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5884] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5884] ioctl(3, LOOP_CLR_FD) = 0 [pid 5884] close(3 [pid 5883] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5883] ioctl(3, LOOP_CLR_FD) = 0 [ 63.281211][ T5882] bcachefs (loop2): accounting_read... [ 63.319532][ T5883] bcachefs: bch2_fs_get_tree() error: EINVAL [ 63.331214][ T5882] done [ 63.334750][ T5882] bcachefs (loop2): alloc_read... done [ 63.342424][ T5884] bcachefs: bch2_fs_get_tree() error: EINVAL [ 63.349310][ T5882] bcachefs (loop2): stripes_read... done [ 63.361470][ T5882] bcachefs (loop2): snapshots_read... done [pid 5883] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./0/file0") = 0 [pid 5829] getdents64(3, 0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./0") = 0 [pid 5829] mkdir("./1", 0777) = 0 [ 63.399566][ T5882] bcachefs (loop2): check_allocations... done [ 63.507787][ T5882] bcachefs (loop2): going read-write [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5881] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] mkdir("./bus", 000) = 0 ./strace-static-x86_64: Process 5916 attached [pid 5829] <... clone resumed>, child_tidptr=0x555572f38650) = 5916 [pid 5881] exit_group(0) = ? [pid 5916] set_robust_list(0x555572f38660, 24 [pid 5884] <... close resumed>) = 0 [pid 5881] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5916] <... set_robust_list resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5916] chdir("./1" [pid 5832] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5916] <... chdir resumed>) = 0 [pid 5884] mkdir("./bus", 000 [pid 5882] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5916] setpgid(0, 0 [pid 5832] <... openat resumed>) = 3 [pid 5916] <... setpgid resumed>) = 0 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5884] <... mkdir resumed>) = 0 [pid 5882] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5882] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] write(3, "1000", 4 [pid 5882] chdir("./file0" [pid 5832] unlink("./1/binderfs" [pid 5916] <... write resumed>) = 4 [pid 5882] <... chdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5916] close(3 [pid 5884] exit_group(0 [pid 5882] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5916] <... close resumed>) = 0 [pid 5884] <... exit_group resumed>) = ? [pid 5882] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./1/bus", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./1/bus" [pid 5916] symlink("/dev/binderfs", "./binderfs" [pid 5884] +++ exited with 0 +++ [pid 5882] ioctl(4, LOOP_CLR_FD [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 63.559046][ T5882] bcachefs (loop2): done starting filesystem [pid 5832] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5916] <... symlink resumed>) = 0 [pid 5882] <... ioctl resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=38 /* 0.38 s */} --- [pid 5882] close(4 [pid 5916] write(1, "executing program\n", 18 [pid 5882] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x555572f41730 /* 0 entries */, 32768) = 0 executing program [pid 5882] mkdir("./bus", 000 [pid 5832] close(4 [pid 5916] <... write resumed>) = 18 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./1/file0") = 0 [pid 5832] getdents64(3, 0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5882] <... mkdir resumed>) = 0 [pid 5832] rmdir("./1" [pid 5916] memfd_create("syzkaller", 0 [pid 5882] exit_group(0 [pid 5832] <... rmdir resumed>) = 0 [pid 5916] <... memfd_create resumed>) = 3 [pid 5882] <... exit_group resumed>) = ? [pid 5832] mkdir("./2", 0777 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5882] +++ exited with 0 +++ [pid 5916] <... mmap resumed>) = 0x7f272bc00000 [pid 5883] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=34 /* 0.34 s */} --- [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5917 attached [pid 5883] mkdir("./bus", 000 [pid 5917] set_robust_list(0x555572f38660, 24 [pid 5883] <... mkdir resumed>) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5917] chdir("./2" [pid 5832] <... clone resumed>, child_tidptr=0x555572f38650) = 5917 [pid 5883] exit_group(0 [pid 5917] <... chdir resumed>) = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] <... exit_group resumed>) = ? [pid 5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x555572f396f0 /* 5 entries */, 32768) = 136 [pid 5831] <... openat resumed>) = 3 [pid 5833] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5883] +++ exited with 0 +++ [pid 5833] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5831] getdents64(3, [pid 5917] <... prctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x555572f396f0 /* 4 entries */, 32768) = 112 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=37 /* 0.37 s */} --- [pid 5917] setpgid(0, 0 [pid 5833] unlink("./1/binderfs" [pid 5831] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5917] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./1/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5917] write(3, "1000", 4) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5917] close(3 [pid 5830] getdents64(3, [pid 5917] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./1/bus", [pid 5830] <... getdents64 resumed>0x555572f396f0 /* 5 entries */, 32768) = 136 executing program [pid 5917] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] <... symlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] write(1, "executing program\n", 18 [pid 5830] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5833] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] <... write resumed>) = 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] unlink("./1/binderfs" [pid 5917] memfd_create("syzkaller", 0 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... unlink resumed>) = 0 [pid 5917] <... memfd_create resumed>) = 3 [pid 5830] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] <... mmap resumed>) = 0x7f272bc00000 [pid 5830] newfstatat(AT_FDCWD, "./1/bus", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./1/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./1/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, 0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5830] newfstatat(4, "", [pid 5833] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|000, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] rmdir("./1/bus" [pid 5830] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5833] newfstatat(AT_FDCWD, "./1/file0", [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./1/bus" [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(4, [pid 5830] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5830] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] <... openat resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5833] rmdir("./1/file0" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x555572f41730 /* 2 entries */, 32768) = 48 [pid 5833] <... getdents64 resumed>0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x555572f41730 /* 0 entries */, 32768) = 0 [ 63.702378][ T5831] bcachefs (loop2): shutting down [ 63.711708][ T5831] bcachefs (loop2): going read-only [ 63.732807][ T5831] bcachefs (loop2): finished waiting for writes to stop [pid 5833] rmdir("./1") = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./1/file0") = 0 [pid 5830] getdents64(3, 0x555572f396f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5833] mkdir("./2", 0777 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./1" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] mkdir("./2", 0777