./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2630668030

<...>
Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts.
execve("./syz-executor2630668030", ["./syz-executor2630668030"], 0x7ffc9a60d880 /* 10 vars */) = 0
brk(NULL)                               = 0x555587965000
brk(0x555587965d00)                     = 0x555587965d00
arch_prctl(ARCH_SET_FS, 0x555587965380) = 0
set_tid_address(0x555587965650)         = 5837
set_robust_list(0x555587965660, 24)     = 0
rseq(0x555587965ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2630668030", 4096) = 28
getrandom("\xd9\xe7\xf0\xbb\xd3\x18\xed\x32", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555587965d00
brk(0x555587986d00)                     = 0x555587986d00
brk(0x555587987000)                     = 0x555587987000
mprotect(0x7f7f1bf1a000, 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 5838 attached
 <unfinished ...>
[pid  5838] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5838
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] mkdir("./syzkaller.J5M0HQ", 0700./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5839] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5839
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5838] chmod("./syzkaller.J5M0HQ", 0777) = 0
[pid  5838] chdir("./syzkaller.J5M0HQ" <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] mkdir("./syzkaller.8CC7XE", 0700 <unfinished ...>
[pid  5838] <... chdir resumed>)        = 0
[pid  5838] mkdir("./0", 0777./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5839] <... mkdir resumed>)        = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5840
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5839] chmod("./syzkaller.8CC7XE", 0777 <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5841 attached
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5841
[pid  5841] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5840] mkdir("./syzkaller.tQj5I4", 0700 <unfinished ...>
[pid  5838] <... openat resumed>)       = 3
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5839] <... chmod resumed>)        = 0
[pid  5839] chdir("./syzkaller.8CC7XE"./strace-static-x86_64: Process 5842 attached
 <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5841] mkdir("./syzkaller.qESKYz", 0700 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5842
[pid  5842] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] chmod("./syzkaller.tQj5I4", 0777 <unfinished ...>
[pid  5839] <... chdir resumed>)        = 0
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5841] chmod("./syzkaller.qESKYz", 0777 <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5842] mkdir("./syzkaller.bHpywe", 0700 <unfinished ...>
[pid  5840] <... chmod resumed>)        = 0
[pid  5839] mkdir("./0", 0777 <unfinished ...>
[pid  5838] close(3./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] <... chmod resumed>)        = 0
[pid  5840] chdir("./syzkaller.tQj5I4" <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5839] <... mkdir resumed>)        = 0
[pid  5843] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5842] chmod("./syzkaller.bHpywe", 0777 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5843] mkdir("./syzkaller.N28HpD", 0700./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555587965650) = 5843
[pid  5842] <... chmod resumed>)        = 0
[pid  5841] chdir("./syzkaller.qESKYz" <unfinished ...>
[pid  5840] <... chdir resumed>)        = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5840] mkdir("./0", 0777 <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5843] <... mkdir resumed>)        = 0
[pid  5840] <... mkdir resumed>)        = 0
[pid  5842] chdir("./syzkaller.bHpywe") = 0
[pid  5841] <... chdir resumed>)        = 0
[pid  5841] mkdir("./0", 0777 <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5844] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5839] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5844] chdir("./0")                = 0
[pid  5843] chmod("./syzkaller.N28HpD", 0777 <unfinished ...>
[pid  5842] mkdir("./0", 0777 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555587965650) = 5844
[pid  5844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5843] <... chmod resumed>)        = 0
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] <... openat resumed>)       = 3
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5839] <... close resumed>)        = 0
[pid  5844] <... prctl resumed>)        = 0
[pid  5844] setpgid(0, 0 <unfinished ...>
[pid  5843] chdir("./syzkaller.N28HpD" <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] <... chdir resumed>)        = 0
[pid  5844] <... setpgid resumed>)      = 0
[pid  5843] mkdir("./0", 0777./strace-static-x86_64: Process 5846 attached
 <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5843] <... mkdir resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5841] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5842] <... openat resumed>)       = 3
[pid  5846] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5841] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5840] <... close resumed>)        = 0
[pid  5839] <... clone resumed>, child_tidptr=0x555587965650) = 5846
[pid  5841] close(3 <unfinished ...>
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] write(3, "1000", 4)         = 4
[pid  5843] <... openat resumed>)       = 3
[pid  5844] close(3 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5848 attached
./strace-static-x86_64: Process 5847 attached
[pid  5844] <... close resumed>)        = 0
[pid  5843] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5843] close(3)                    = 0
[pid  5846] chdir("./0" <unfinished ...>
[pid  5842] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5847] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5842] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5840] <... clone resumed>, child_tidptr=0x555587965650) = 5847
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5842] close(3 <unfinished ...>
[pid  5846] <... prctl resumed>)        = 0
[pid  5842] <... close resumed>)        = 0
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5844] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5848] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5849 attached
executing program
[pid  5847] chdir("./0" <unfinished ...>
[pid  5846] <... setpgid resumed>)      = 0
[pid  5844] <... symlink resumed>)      = 0
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] <... clone resumed>, child_tidptr=0x555587965650) = 5848
[pid  5847] <... chdir resumed>)        = 0
[pid  5844] write(1, "executing program\n", 18 <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x555587965650) = 5849
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] <... write resumed>)        = 18
[pid  5847] <... prctl resumed>)        = 0
[pid  5844] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5848] chdir("./0" <unfinished ...>
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5850] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5847] <... setpgid resumed>)      = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5844] <... memfd_create resumed>) = 3
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5849] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5848] <... chdir resumed>)        = 0
[pid  5850] chdir("./0" <unfinished ...>
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5846] <... openat resumed>)       = 3
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555587965650) = 5850
[pid  5849] chdir("./0" <unfinished ...>
[pid  5848] <... prctl resumed>)        = 0
[pid  5846] write(3, "1000", 4 <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5848] setpgid(0, 0 <unfinished ...>
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5846] <... write resumed>)        = 4
[pid  5844] <... mmap resumed>)         = 0x7f7f13a00000
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5849] <... chdir resumed>)        = 0
[pid  5848] <... setpgid resumed>)      = 0
[pid  5847] <... write resumed>)        = 4
[pid  5846] close(3 <unfinished ...>
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5849] <... prctl resumed>)        = 0
[pid  5846] <... close resumed>)        = 0
[pid  5850] <... prctl resumed>)        = 0
[pid  5849] setpgid(0, 0 <unfinished ...>
[pid  5846] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5849] <... setpgid resumed>)      = 0
[pid  5850] setpgid(0, 0 <unfinished ...>
[pid  5847] close(3)                    = 0
[pid  5850] <... setpgid resumed>)      = 0
[pid  5847] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] <... symlink resumed>)      = 0
[pid  5846] <... symlink resumed>)      = 0
[pid  5850] <... openat resumed>)       = 3
[pid  5848] <... openat resumed>)       = 3
[pid  5849] <... openat resumed>)       = 3
executing program
executing program
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5846] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] write(3, "1000", 4 <unfinished ...>
[pid  5849] <... write resumed>)        = 4
[pid  5848] <... write resumed>)        = 4
[pid  5846] <... write resumed>)        = 18
[pid  5849] close(3 <unfinished ...>
[pid  5848] close(3 <unfinished ...>
[pid  5850] write(3, "1000", 4 <unfinished ...>
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5850] <... write resumed>)        = 4
[pid  5847] <... write resumed>)        = 18
executing program
[pid  5846] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5848] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5847] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5850] close(3)                    = 0
[pid  5850] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5847] <... memfd_create resumed>) = 3
[pid  5850] <... symlink resumed>)      = 0
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[pid  5850] write(1, "executing program\n", 18 <unfinished ...>
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5848] <... symlink resumed>)      = 0
[pid  5850] <... write resumed>)        = 18
[pid  5849] <... symlink resumed>)      = 0
executing program
[pid  5848] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] <... memfd_create resumed>) = 3
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] <... write resumed>)        = 18
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] <... mmap resumed>)         = 0x7f7f13a00000
[pid  5848] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5850] <... memfd_create resumed>) = 3
[pid  5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
executing program
[pid  5849] <... write resumed>)        = 18
[pid  5848] <... memfd_create resumed>) = 3
[pid  5849] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[pid  5849] <... memfd_create resumed>) = 3
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[pid  5844] 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 <unfinished ...>
[pid  5847] 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 <unfinished ...>
[pid  5846] 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 <unfinished ...>
[pid  5850] 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 <unfinished ...>
[pid  5849] 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 <unfinished ...>
[pid  5848] 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 <unfinished ...>
[pid  5844] <... write resumed>)        = 16777216
[pid  5850] <... write resumed>)        = 16777216
[pid  5844] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5846] <... write resumed>)        = 16777216
[pid  5850] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5847] <... write resumed>)        = 16777216
[pid  5846] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5850] <... munmap resumed>)       = 0
[pid  5844] <... munmap resumed>)       = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5844] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] <... write resumed>)        = 16777216
[pid  5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5849] <... write resumed>)        = 16777216
[pid  5848] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5847] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5846] <... munmap resumed>)       = 0
[pid  5844] <... ioctl resumed>)        = 0
[pid  5850] <... openat resumed>)       = 4
[pid  5844] close(3 <unfinished ...>
[pid  5850] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5850] <... ioctl resumed>)        = 0
[pid  5844] close(4)                    = 0
[pid  5844] mkdir("./file1", 0777 <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5844] mount("/dev/loop0", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5850] close(3 <unfinished ...>
[pid  5849] munmap(0x7f7f13a00000, 138412032 <unfinished ...>
[pid  5848] <... munmap resumed>)       = 0
[pid  5847] <... munmap resumed>)       = 0
[pid  5846] <... openat resumed>)       = 4
[pid  5850] <... close resumed>)        = 0
[pid  5846] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5850] close(4 <unfinished ...>
[pid  5848] <... openat resumed>)       = 4
[pid  5847] <... openat resumed>)       = 4
[pid  5850] <... close resumed>)        = 0
[pid  5848] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5847] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[   75.660610][ T5844] loop0: detected capacity change from 0 to 32768
[   75.674108][ T5850] loop4: detected capacity change from 0 to 32768
[pid  5850] mkdir("./file1", 0777)      = 0
[pid  5849] <... munmap resumed>)       = 0
[pid  5846] <... ioctl resumed>)        = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5846] close(3 <unfinished ...>
[pid  5849] <... openat resumed>)       = 4
[pid  5846] <... close resumed>)        = 0
[pid  5849] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5846] close(4 <unfinished ...>
[pid  5850] mount("/dev/loop4", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5846] <... close resumed>)        = 0
[pid  5846] mkdir("./file1", 0777 <unfinished ...>
[pid  5849] <... ioctl resumed>)        = 0
[pid  5846] <... mkdir resumed>)        = 0
[pid  5849] close(3 <unfinished ...>
[pid  5846] mount("/dev/loop1", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5849] <... close resumed>)        = 0
[pid  5849] close(4 <unfinished ...>
[pid  5848] <... ioctl resumed>)        = 0
[pid  5849] <... close resumed>)        = 0
[pid  5848] close(3 <unfinished ...>
[pid  5847] <... ioctl resumed>)        = 0
[pid  5849] mkdir("./file1", 0777)      = 0
[pid  5848] <... close resumed>)        = 0
[pid  5847] close(3 <unfinished ...>
[pid  5849] mount("/dev/loop5", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5848] close(4 <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5848] <... close resumed>)        = 0
[pid  5847] close(4 <unfinished ...>
[pid  5848] mkdir("./file1", 0777 <unfinished ...>
[pid  5847] <... close resumed>)        = 0
[pid  5848] <... mkdir resumed>)        = 0
[pid  5847] mkdir("./file1", 0777 <unfinished ...>
[pid  5848] mount("/dev/loop3", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5847] <... mkdir resumed>)        = 0
[   75.713800][ T5846] loop1: detected capacity change from 0 to 32768
[   75.715082][ T5847] loop2: detected capacity change from 0 to 32768
[   75.733733][ T5848] loop3: detected capacity change from 0 to 32768
[   75.744008][ T5849] loop5: detected capacity change from 0 to 32768
[   75.808523][ T5844] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,journal_flush_disabled,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,no_data_io
[   75.830268][ T5844] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[   75.839812][ T5844] bcachefs (loop0): Version upgrade required:
[   75.839812][ T5844] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   75.839812][ T5844] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
[   75.839812][ T5844]   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
[   75.931907][ T5844] bcachefs (loop0): dropping and reconstructing all alloc info
[   75.959681][ T5844] bcachefs (loop0): check_topology... done
[   75.967448][ T5844] bcachefs (loop0): accounting_read... done
[   75.974603][ T5844] bcachefs (loop0): alloc_read... done
[   75.980201][ T5844] bcachefs (loop0): stripes_read... done
[   75.985944][ T5844] bcachefs (loop0): snapshots_read... done
[   75.992041][ T5844] bcachefs (loop0): check_allocations... done
[   76.017211][ T5844] bcachefs (loop0): going read-write
[pid  5847] mount("/dev/loop2", "./file1", "bcachefs", MS_I_VERSION, "acl,direct_io,norecovery,fsck,journal_flush_disabled,noreTovery,btree_node_mem_ptr_optimization,reco"... <unfinished ...>
[pid  5844] <... mount resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5844] chdir("./file1")            = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5844] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5844] close(4)                    = 0
[   76.027487][ T5844] bcachefs (loop0): done starting filesystem
[pid  5844] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5844] exit_group(0)               = ?
[pid  5844] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=44 /* 0.44 s */} ---
[   76.060048][   T29] audit: type=1800 audit(1730426349.206:2): pid=5844 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="loop0" ino=4101 res=0 errno=0
[   76.089344][ T5844] syz-executor263 (5844) used greatest stack depth: 18832 bytes left
[pid  5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] getdents64(3, 0x5555879666f0 /* 4 entries */, 32768) = 112
[pid  5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] unlink("./0/binderfs")      = 0
[   76.113652][ T5846] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   76.122873][ T5848] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   76.122890][ T5846] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   76.144226][ T5848] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   76.154723][ T5838] bcachefs (loop0): shutting down
[   76.159894][ T5838] bcachefs (loop0): going read-only
[   76.162588][ T5850] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   76.174732][ T5850] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   76.209338][ T5849] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   76.222669][ T5838] bcachefs (loop0): finished waiting for writes to stop
[   76.251489][ T5849] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   76.260445][ T5847] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): filesystem UUID already open
[   76.273860][ T5850] bcachefs: bch2_fs_get_tree() error: EINVAL
[   76.284249][ T5838] bcachefs (loop0): flushing journal and stopping allocators, journal seq 11
[pid  5838] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5850] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5850] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5850] ioctl(3, LOOP_CLR_FD)       = 0
[   76.303717][ T5847] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): shutdown complete
[   76.315852][ T5838] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 12
[pid  5850] close(3 <unfinished ...>
[pid  5849] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5849] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5849] ioctl(3, LOOP_CLR_FD)       = 0
[   76.371537][ T5849] bcachefs: bch2_fs_get_tree() error: EINVAL
[pid  5849] close(3 <unfinished ...>
[pid  5846] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5848] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5848] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5846] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5848] <... openat resumed>)       = 3
[pid  5846] <... openat resumed>)       = 3
[pid  5848] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5846] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5848] <... ioctl resumed>)        = 0
[pid  5846] <... ioctl resumed>)        = 0
[pid  5848] close(3 <unfinished ...>
[   76.429704][ T5846] bcachefs: bch2_fs_get_tree() error: EINVAL
[   76.436298][ T5848] bcachefs: bch2_fs_get_tree() error: EINVAL
[   76.447534][ T5838] bcachefs (loop0): unshutdown complete, journal seq 14
[   76.461365][   T53] ------------[ cut here ]------------
[   76.467330][   T53] kernel BUG at fs/bcachefs/journal.h:375!
[   76.523488][   T53] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   76.530752][   T53] CPU: 1 UID: 0 PID: 53 Comm: kworker/u8:3 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
[   76.541449][   T53] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   76.551522][   T53] Workqueue: btree_update btree_interior_update_work
[   76.558241][   T53] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0
[   76.564333][   T53] Code: fd 90 0f 0b e8 2f 80 75 fd 90 0f 0b e8 27 80 75 fd 90 0f 0b e8 1f 80 75 fd 90 0f 0b e8 17 80 75 fd 90 0f 0b e8 0f 80 75 fd 90 <0f> 0b e8 07 80 75 fd 90 0f 0b e8 ff 7f 75 fd 90 0f 0b e8 f7 7f 75
[   76.583955][   T53] RSP: 0018:ffffc90000be76c0 EFLAGS: 00010293
[   76.590043][   T53] RAX: ffffffff841f5a11 RBX: 0000000000000000 RCX: ffff8880222d8000
[   76.598029][   T53] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   76.606016][   T53] RBP: ffffc90000be7890 R08: ffffffff841efd48 R09: 1ffff1100f1394a8
[   76.614006][   T53] R10: dffffc0000000000 R11: ffffed100f1394a9 R12: ffff888078980000
[pid  5846] close(3 <unfinished ...>
[pid  5850] <... close resumed>)        = 0
[pid  5850] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5850] exit_group(0)               = ?
[pid  5850] +++ exited with 0 +++
[   76.621994][   T53] R13: ffff8880789ca500 R14: 0000000000000044 R15: ffff88804ec540d0
[   76.629987][   T53] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   76.638932][   T53] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.645618][   T53] CR2: 00005567b9a1f270 CR3: 000000007926e000 CR4: 0000000000350ef0
[   76.653608][   T53] Call Trace:
[   76.656893][   T53]  <TASK>
[   76.659834][   T53]  ? __die_body+0x5f/0xb0
[   76.664183][   T53]  ? die+0x9e/0xc0
[   76.667924][   T53]  ? do_trap+0x15a/0x3a0
[pid  5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=40 /* 0.40 s */} ---
[pid  5842] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5842] getdents64(3, 0x5555879666f0 /* 5 entries */, 32768) = 136
[pid  5842] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   76.672206][   T53]  ? __bch2_trans_commit+0x9232/0x93c0
[   76.677694][   T53]  ? do_error_trap+0x1dc/0x2c0
[   76.682486][   T53]  ? __bch2_trans_commit+0x9232/0x93c0
[   76.687967][   T53]  ? __pfx_do_error_trap+0x10/0x10
[   76.693105][   T53]  ? report_bug+0x3e8/0x500
[   76.697645][   T53]  ? srso_alias_return_thunk+0x5/0xfbef5
[   76.703305][   T53]  ? handle_invalid_op+0x34/0x40
[   76.708270][   T53]  ? __bch2_trans_commit+0x9232/0x93c0
[   76.713750][   T53]  ? exc_invalid_op+0x38/0x50
[   76.718460][   T53]  ? asm_exc_invalid_op+0x1a/0x20
[pid  5842] unlink("./0/binderfs")      = 0
[pid  5842] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5842] unlink("./0/bus")           = 0
[pid  5842] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5842] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5842] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5842] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5842] getdents64(4, 0x55558796e730 /* 2 entries */, 32768) = 48
[pid  5842] getdents64(4, 0x55558796e730 /* 0 entries */, 32768) = 0
[pid  5842] close(4)                    = 0
[pid  5842] rmdir("./0/file1")          = 0
[pid  5842] getdents64(3, 0x5555879666f0 /* 0 entries */, 32768) = 0
[pid  5842] close(3)                    = 0
[pid  5842] rmdir("./0")                = 0
[pid  5842] mkdir("./1", 0777)          = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  5842] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5842] close(3)                    = 0
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555587965650) = 5899
[   76.723599][   T53]  ? __bch2_trans_commit+0x3568/0x93c0
[   76.729083][   T53]  ? __bch2_trans_commit+0x9231/0x93c0
[   76.734573][   T53]  ? __bch2_trans_commit+0x9232/0x93c0
[   76.740062][   T53]  ? srso_alias_return_thunk+0x5/0xfbef5
[   76.745730][   T53]  ? __pfx___bch2_trans_commit+0x10/0x10
[   76.751388][   T53]  ? bch2_dev_btree_bitmap_marked+0x2f/0xda0
[   76.757391][   T53]  ? __bch2_trans_jset_entry_alloc+0x2c7/0x4b0
[   76.763576][   T53]  ? btree_interior_update_work+0x117a/0x2b10
[pid  5849] <... close resumed>)        = 0
[pid  5849] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5849] exit_group(0)               = ?
[pid  5849] +++ exited with 0 +++
[pid  5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=36 /* 0.36 s */} ---
[pid  5843] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] getdents64(3, 0x5555879666f0 /* 5 entries */, 32768) = 136
[pid  5843] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] unlink("./0/binderfs")      = 0
[pid  5843] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] unlink("./0/bus")           = 0
[pid  5843] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5843] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] getdents64(4, 0x55558796e730 /* 2 entries */, 32768) = 48
[pid  5843] getdents64(4, 0x55558796e730 /* 0 entries */, 32768) = 0
[pid  5843] close(4)                    = 0
[pid  5843] rmdir("./0/file1")          = 0
[pid  5843] getdents64(3, 0x5555879666f0 /* 0 entries */, 32768) = 0
[pid  5843] close(3)                    = 0
[pid  5843] rmdir("./0")                = 0
[pid  5843] mkdir("./1", 0777)          = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  5843] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5843] close(3)                    = 0
[   76.769677][   T53]  btree_interior_update_work+0x1492/0x2b10
[   76.775617][   T53]  ? __pfx_btree_interior_update_work+0x10/0x10
[   76.781902][   T53]  ? __pfx_lock_acquire+0x10/0x10
[   76.786960][   T53]  ? srso_alias_return_thunk+0x5/0xfbef5
[   76.792622][   T53]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   76.798638][   T53]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   76.805010][   T53]  ? process_scheduled_works+0x976/0x1850
[   76.810761][   T53]  process_scheduled_works+0xa65/0x1850
[   76.816356][   T53]  ? __pfx_process_scheduled_works+0x10/0x10
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached
 <unfinished ...>
[pid  5900] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x555587965650) = 5900
[pid  5900] <... set_robust_list resumed>) = 0
[pid  5900] chdir("./1")                = 0
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5900] setpgid(0, 0)               = 0
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5900] write(3, "1000", 4)         = 4
[pid  5900] close(3)                    = 0
[pid  5900] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5900] write(1, "executing program\n", 18) = 18
[pid  5900] memfd_create("syzkaller", 0) = 3
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[   76.822373][   T53]  ? assign_work+0x364/0x3d0
[   76.826992][   T53]  worker_thread+0x870/0xd30
[   76.831612][   T53]  ? srso_alias_return_thunk+0x5/0xfbef5
[   76.837273][   T53]  ? srso_alias_return_thunk+0x5/0xfbef5
[   76.842932][   T53]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   76.848848][   T53]  ? __kthread_parkme+0x169/0x1d0
[   76.853915][   T53]  ? __pfx_worker_thread+0x10/0x10
[   76.859064][   T53]  kthread+0x2f2/0x390
[   76.863149][   T53]  ? __pfx_worker_thread+0x10/0x10
[   76.868290][   T53]  ? __pfx_kthread+0x10/0x10
executing program
./strace-static-x86_64: Process 5899 attached
[pid  5899] set_robust_list(0x555587965660, 24) = 0
[pid  5899] chdir("./1")                = 0
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5899] setpgid(0, 0)               = 0
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5899] write(3, "1000", 4)         = 4
[pid  5899] close(3)                    = 0
[pid  5899] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5899] memfd_create("syzkaller", 0) = 3
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[pid  5848] <... close resumed>)        = 0
[   76.872899][   T53]  ret_from_fork+0x4d/0x80
[   76.877350][   T53]  ? __pfx_kthread+0x10/0x10
[   76.881956][   T53]  ret_from_fork_asm+0x1a/0x30
[   76.886760][   T53]  </TASK>
[   76.889839][   T53] Modules linked in:
[   76.893874][   T53] ---[ end trace 0000000000000000 ]---
[   76.903171][   T29] audit: type=1800 audit(1730426349.776:3): pid=5850 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="sda1" ino=1939 res=0 errno=0
[pid  5847] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5846] <... close resumed>)        = 0
[pid  5848] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5846] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 <unfinished ...>
[pid  5848] <... open resumed>)         = 3
[pid  5847] <... openat resumed>)       = 3
[pid  5846] <... open resumed>)         = 3
[pid  5847] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5846] exit_group(0 <unfinished ...>
[pid  5847] close(3 <unfinished ...>
[pid  5846] <... exit_group resumed>)   = ?
[pid  5846] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=46 /* 0.46 s */} ---
[pid  5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5839] getdents64(3, 0x5555879666f0 /* 5 entries */, 32768) = 136
[pid  5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] unlink("./0/binderfs")      = 0
[pid  5839] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] unlink("./0/bus")           = 0
[pid  5839] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5839] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5839] newfstatat(4, "",  <unfinished ...>
[pid  5848] exit_group(0 <unfinished ...>
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5839] getdents64(4, 0x55558796e730 /* 2 entries */, 32768) = 48
[pid  5839] getdents64(4, 0x55558796e730 /* 0 entries */, 32768) = 0
[pid  5839] close(4)                    = 0
[pid  5839] rmdir("./0/file1" <unfinished ...>
[pid  5848] <... exit_group resumed>)   = ?
[pid  5839] <... rmdir resumed>)        = 0
[pid  5839] getdents64(3, 0x5555879666f0 /* 0 entries */, 32768) = 0
[pid  5839] close(3)                    = 0
[pid  5839] rmdir("./0")                = 0
[pid  5848] +++ exited with 0 +++
[pid  5839] mkdir("./1", 0777 <unfinished ...>
[pid  5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=32 /* 0.32 s */} ---
[pid  5839] <... mkdir resumed>)        = 0
[pid  5841] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5839] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5839] close(3)                    = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555587965650) = 5901
[pid  5841] <... restart_syscall resumed>) = 0
[pid  5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   76.957936][ T5847] bcachefs: bch2_fs_get_tree() error: EINVAL
[   76.966063][   T29] audit: type=1800 audit(1730426349.926:4): pid=5849 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="sda1" ino=1939 res=0 errno=0
[   76.973121][   T53] RIP: 0010:__bch2_trans_commit+0x9232/0x93c0
[pid  5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5841] getdents64(3, 0x5555879666f0 /* 5 entries */, 32768) = 136
[pid  5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5841] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 5901 attached
[pid  5841] unlink("./0/binderfs")      = 0
[pid  5841] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5841] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5841] unlink("./0/bus")           = 0
[pid  5841] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5841] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5901] set_robust_list(0x555587965660, 24 <unfinished ...>
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5841] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5841] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid  5841] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5841] getdents64(4, 0x55558796e730 /* 2 entries */, 32768) = 48
[pid  5841] getdents64(4, 0x55558796e730 /* 0 entries */, 32768) = 0
[pid  5841] close(4)                    = 0
[pid  5841] rmdir("./0/file1")          = 0
[pid  5841] getdents64(3, 0x5555879666f0 /* 0 entries */, 32768) = 0
[pid  5841] close(3)                    = 0
[pid  5841] rmdir("./0")                = 0
[pid  5841] mkdir("./1", 0777)          = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  5841] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5841] close(3)                    = 0
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached
, child_tidptr=0x555587965650) = 5902
[pid  5902] set_robust_list(0x555587965660, 24) = 0
[pid  5901] <... set_robust_list resumed>) = 0
[pid  5901] chdir("./1")                = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5902] chdir("./1")                = 0
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5902] setpgid(0, 0)               = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5902] write(3, "1000", 4 <unfinished ...>
[pid  5901] <... prctl resumed>)        = 0
[pid  5900] 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 <unfinished ...>
[pid  5902] <... write resumed>)        = 4
[pid  5902] close(3)                    = 0
[pid  5902] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5902] write(1, "executing program\n", 18 <unfinished ...>
[pid  5901] setpgid(0, 0 <unfinished ...>
[pid  5902] <... write resumed>)        = 18
[pid  5901] <... setpgid resumed>)      = 0
[pid  5902] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5902] <... memfd_create resumed>) = 3
[pid  5901] <... openat resumed>)       = 3
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[   77.052842][   T29] audit: type=1800 audit(1730426350.146:5): pid=5848 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="sda1" ino=1944 res=0 errno=0
[   77.069096][   T53] Code: fd 90 0f 0b e8 2f 80 75 fd 90 0f 0b e8 27 80 75 fd 90 0f 0b e8 1f 80 75 fd 90 0f 0b e8 17 80 75 fd 90 0f 0b e8 0f 80 75 fd 90 <0f> 0b e8 07 80 75 fd 90 0f 0b e8 ff 7f 75 fd 90 0f 0b e8 f7 7f 75
[pid  5901] write(3, "1000", 4)         = 4
[pid  5901] close(3)                    = 0
[pid  5899] 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 <unfinished ...>
[pid  5901] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5901] write(1, "executing program\n", 18) = 18
[pid  5901] memfd_create("syzkaller", 0) = 3
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f13a00000
[   77.140097][   T29] audit: type=1800 audit(1730426350.146:6): pid=5846 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="sda1" ino=1946 res=0 errno=0
[   77.170732][   T53] RSP: 0018:ffffc90000be76c0 EFLAGS: 00010293
[   77.195857][   T53] RAX: ffffffff841f5a11 RBX: 0000000000000000 RCX: ffff8880222d8000
[   77.223517][   T53] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[pid  5847] <... close resumed>)        = 0
[pid  5847] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5847] exit_group(0)               = ?
[pid  5902] 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 <unfinished ...>
[pid  5847] +++ exited with 0 +++
[   77.257854][   T53] RBP: ffffc90000be7890 R08: ffffffff841efd48 R09: 1ffff1100f1394a8
[   77.267366][   T29] audit: type=1800 audit(1730426350.416:7): pid=5847 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor263" name="bus" dev="sda1" ino=1944 res=0 errno=0
[   77.288151][   T53] R10: dffffc0000000000 R11: ffffed100f1394a9 R12: ffff888078980000
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=44 /* 0.44 s */} ---
[pid  5901] 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 <unfinished ...>
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5840] getdents64(3, 0x5555879666f0 /* 5 entries */, 32768) = 136
[pid  5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] unlink("./0/binderfs")      = 0
[   77.322225][   T53] R13: ffff8880789ca500 R14: 0000000000000044 R15: ffff88804ec540d0
[   77.353407][   T53] FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[pid  5840] umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] unlink("./0/bus")           = 0
[pid  5840] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[   77.385020][   T53] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.415193][   T53] CR2: 00007f7f149ff000 CR3: 0000000079200000 CR4: 0000000000350ef0
[   77.437275][   T53] Kernel panic - not syncing: Fatal exception
[   77.443506][   T53] Kernel Offset: disabled
[   77.447824][   T53] Rebooting in 86400 seconds..