./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor891105362

<...>
Warning: Permanently added '10.128.1.29' (ED25519) to the list of known hosts.
execve("./syz-executor891105362", ["./syz-executor891105362"], 0x7ffe6c6c9b60 /* 10 vars */) = 0
brk(NULL)                               = 0x5555572a5000
brk(0x5555572a5d00)                     = 0x5555572a5d00
arch_prctl(ARCH_SET_FS, 0x5555572a5380) = 0
set_tid_address(0x5555572a5650)         = 294
set_robust_list(0x5555572a5660, 24)     = 0
rseq(0x5555572a5ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor891105362", 4096) = 27
getrandom("\x77\x87\x64\x3a\x29\x7a\xd0\x40", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555572a5d00
brk(0x5555572c6d00)                     = 0x5555572c6d00
brk(0x5555572c7000)                     = 0x5555572c7000
mprotect(0x7f53308fb000, 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
mkdir("/syzcgroup", 0777)               = 0
mkdir("/syzcgroup/unified", 0777)       = 0
mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0
chmod("/syzcgroup/unified", 0777)       = 0
openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3
write(3, "+cpu", 4)                     = 4
write(3, "+io", 3)                      = 3
write(3, "+pids", 5)                    = 5
close(3)                                = 0
mkdir("/syzcgroup/net", 0777)           = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0
umount2("/syzcgroup/net", 0)            = 0
[   21.597815][   T28] audit: type=1400 audit(1712882839.965:66): avc:  denied  { execmem } for  pid=294 comm="syz-executor891" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.604686][  T294] cgroup: Unknown subsys name 'net'
[   21.617123][   T28] audit: type=1400 audit(1712882839.975:67): avc:  denied  { mounton } for  pid=294 comm="syz-executor891" path="/syzcgroup/unified" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
[   21.644730][   T28] audit: type=1400 audit(1712882839.975:68): avc:  denied  { mount } for  pid=294 comm="syz-executor891" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[   21.645520][  T294] cgroup: Unknown subsys name 'devices'
[   21.667139][   T28] audit: type=1400 audit(1712882839.995:69): avc:  denied  { unmount } for  pid=294 comm="syz-executor891" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = 0
chmod("/syzcgroup/net", 0777)           = 0
mkdir("/syzcgroup/cpu", 0777)           = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted)
[   21.782418][  T294] cgroup: Unknown subsys name 'hugetlb'
[   21.788029][  T294] cgroup: Unknown subsys name 'rlimit'
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = 0
chmod("/syzcgroup/cpu", 0777)           = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
mkdir("./syzkaller.iE9Qes", 0700)       = 0
chmod("./syzkaller.iE9Qes", 0777)       = 0
chdir("./syzkaller.iE9Qes")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572a5650) = 296
./strace-static-x86_64: Process 296 attached
[pid   296] set_robust_list(0x5555572a5660, 24) = 0
[pid   296] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   296] setsid()                    = 1
[pid   296] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   296] unshare(CLONE_NEWNS)        = 0
[pid   296] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   296] unshare(CLONE_NEWCGROUP)    = 0
[pid   296] unshare(CLONE_NEWUTS)       = 0
[pid   296] unshare(CLONE_SYSVSEM)      = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] getpid()                    = 1
[pid   296] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   296] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   296] unshare(CLONE_NEWNET)       = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "0 65535", 7)      = 7
[pid   296] close(3)                    = 0
[pid   296] mkdir("/dev/binderfs", 0777) = 0
[pid   296] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   296] getpid()                    = 1
[pid   296] mkdir("/syzcgroup/unified/syz0", 0777) = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "32", 2)           = 2
[pid   296] close(3)                    = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "1", 1)            = 1
[pid   296] close(3)                    = 0
[   21.884763][   T28] audit: type=1400 audit(1712882840.255:70): avc:  denied  { mounton } for  pid=296 comm="syz-executor891" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[   21.908584][   T28] audit: type=1400 audit(1712882840.255:71): avc:  denied  { mount } for  pid=296 comm="syz-executor891" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   296] mkdir("/syzcgroup/cpu/syz0", 0777) = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "1", 1)            = 1
[pid   296] close(3)                    = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "313524224", 9)    = 9
[pid   296] close(3)                    = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "314572800", 9)    = 9
[pid   296] close(3)                    = 0
[pid   296] mkdir("/syzcgroup/net/syz0", 0777) = 0
[pid   296] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "1", 1)            = 1
[pid   296] close(3)                    = 0
[pid   296] mkdir("./0", 0777)          = 0
[pid   296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572a5650) = 2
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x5555572a5660, 24) = 0
[pid   297] chdir("./0")                = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setpgid(0, 0)               = 0
[pid   297] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid   297] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid   297] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "1000", 4)         = 4
[pid   297] close(3)                    = 0
[pid   297] symlink("/dev/binderfs", "./binderfs") = 0
[pid   297] mkdir("./file0", 000)       = 0
[pid   297] mount(NULL, "./file0", "tmpfs", 0, NULL) = 0
[pid   297] mount("./file0", "./cgroup", "incremental-fs", 0, NULL) = 0
[pid   297] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   297] exit_group(0)               = ?
[pid   297] +++ exited with 0 +++
[pid   296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   296] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(3, 0x5555572a66f0 /* 7 entries */, 32768) = 208
[pid   296] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] unlink("./0/cgroup.cpu")    = 0
[pid   296] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] unlink("./0/binderfs")      = 0
[pid   296] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   296] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   296] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   296] newfstatat(4, "", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(4, 0x5555572ae730 /* 4 entries */, 32768) = 112
[pid   296] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   296] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(5, 0x5555572b6770 /* 2 entries */, 32768) = 48
[pid   296] getdents64(5, 0x5555572b6770 /* 0 entries */, 32768) = 0
[pid   296] close(5)                    = 0
[pid   296] rmdir("./0/file0/.incomplete") = 0
[pid   296] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   296] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(5, 0x5555572b6770 /* 2 entries */, 32768) = 48
[pid   296] getdents64(5, 0x5555572b6770 /* 0 entries */, 32768) = 0
[pid   296] close(5)                    = 0
[pid   296] rmdir("./0/file0/.index")   = 0
[pid   296] getdents64(4, 0x5555572ae730 /* 0 entries */, 32768) = 0
[pid   296] close(4)                    = 0
[pid   296] rmdir("./0/file0")          = -1 EBUSY (Device or resource busy)
[pid   296] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   296] exit_group(1)               = ?
[   21.931141][   T28] audit: type=1400 audit(1712882840.255:72): avc:  denied  { mounton } for  pid=296 comm="syz-executor891" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   21.938503][  T297] incfs: ino conflict with backing FS 1
[   21.956725][   T28] audit: type=1400 audit(1712882840.255:73): avc:  denied  { mounton } for  pid=296 comm="syz-executor891" path="/dev/binderfs" dev="devtmpfs" ino=370 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.984305][   T28] audit: type=1400 audit(1712882840.255:74): avc:  denied  { mount } for  pid=296 comm="syz-executor891" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[   21.984582][  T296] ------------[ cut here ]------------
[   22.006757][   T28] audit: type=1400 audit(1712882840.305:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor891" path="/root/syzkaller.iE9Qes/0/file0" dev="sda1" ino=1936 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.011853][  T296] WARNING: CPU: 1 PID: 296 at fs/inode.c:332 drop_nlink+0xc1/0x110
[   22.043739][  T296] Modules linked in:
[   22.047424][  T296] CPU: 1 PID: 296 Comm: syz-executor891 Not tainted 6.1.75-syzkaller-00017-gca4095789fda #0
[   22.057358][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   22.067346][  T296] RIP: 0010:drop_nlink+0xc1/0x110
[   22.072193][  T296] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 07 33 f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1f 50 a9 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.091630][  T296] RSP: 0018:ffffc90000dc7a70 EFLAGS: 00010293
[   22.097514][  T296] RAX: ffffffff81cc0e01 RBX: 0000000000000000 RCX: ffff88811b89a880
[   22.105364][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.113156][  T296] RBP: ffffc90000dc7a98 R08: ffffffff81cc0d84 R09: 0000000000000003
[   22.120970][  T296] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[   22.128776][  T296] R13: 1ffff1102335a984 R14: ffff888119ad4bd8 R15: ffff888119ad4c20
[   22.136570][  T296] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.145365][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.151775][  T296] CR2: 00007f53309021b0 CR3: 0000000006c0f000 CR4: 00000000003506a0
[   22.159606][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.167379][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.175221][  T296] Call Trace:
[   22.178316][  T296]  <TASK>
[   22.181117][  T296]  ? show_regs+0x58/0x60
[   22.185182][  T296]  ? __warn+0x160/0x3d0
[   22.189187][  T296]  ? drop_nlink+0xc1/0x110
[   22.193422][  T296]  ? report_bug+0x4d5/0x7d0
[   22.197756][  T296]  ? drop_nlink+0xc1/0x110
[   22.202076][  T296]  ? handle_bug+0x41/0x70
[   22.206178][  T296]  ? exc_invalid_op+0x1b/0x50
[   22.210715][  T296]  ? asm_exc_invalid_op+0x1b/0x20
[   22.215551][  T296]  ? drop_nlink+0x44/0x110
[   22.219831][  T296]  ? drop_nlink+0xc1/0x110
[   22.224061][  T296]  ? drop_nlink+0xc1/0x110
[   22.228307][  T296]  shmem_rmdir+0x59/0x90
[   22.232412][  T296]  vfs_rmdir+0x398/0x500
[   22.238789][  T296]  incfs_kill_sb+0x113/0x230
[   22.243156][  T296]  deactivate_locked_super+0xad/0x110
[   22.248373][  T296]  deactivate_super+0xbe/0xf0
[   22.252935][  T296]  cleanup_mnt+0x485/0x510
[   22.257134][  T296]  __cleanup_mnt+0x19/0x20
[   22.261413][  T296]  task_work_run+0x24d/0x2e0
[   22.265807][  T296]  ? kmem_cache_free+0x291/0x510
[   22.270613][  T296]  ? task_work_cancel+0x2b0/0x2b0
[   22.275442][  T296]  ? free_nsproxy+0x20d/0x260
[   22.279988][  T296]  ? exit_task_namespaces+0xb4/0xd0
[   22.284990][  T296]  do_exit+0xbd5/0x2b80
[   22.289035][  T296]  ? put_task_struct+0x80/0x80
[   22.293677][  T296]  ? __kasan_check_write+0x14/0x20
[   22.298674][  T296]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   22.303572][  T296]  ? _raw_spin_lock_irqsave+0x210/0x210
[   22.308982][  T296]  ? zap_other_threads+0x29c/0x2d0
[   22.313893][  T296]  do_group_exit+0x21a/0x2d0
[   22.318316][  T296]  __x64_sys_exit_group+0x3f/0x40
[   22.323208][  T296]  do_syscall_64+0x3d/0xb0
[   22.327446][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   22.333188][  T296] RIP: 0033:0x7f5330885909
[   22.337413][  T296] Code: Unable to access opcode bytes at 0x7f53308858df.
[   22.344345][  T296] RSP: 002b:00007ffcad9b8f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   22.352565][  T296] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5330885909
[   22.360356][  T296] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   22.368144][  T296] RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000
[   22.375987][  T296] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350
[   22.383905][  T296] R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0
[   22.391728][  T296]  </TASK>
[   22.394564][  T296] ---[ end trace 0000000000000000 ]---
[   22.399936][  T296] ==================================================================
[   22.407756][  T296] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.413820][  T296] Write of size 4 at addr 0000000000000170 by task syz-executor891/296
[   22.421894][  T296] 
[   22.424064][  T296] CPU: 0 PID: 296 Comm: syz-executor891 Tainted: G        W          6.1.75-syzkaller-00017-gca4095789fda #0
[   22.435439][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   22.445328][  T296] Call Trace:
[   22.448449][  T296]  <TASK>
[   22.451341][  T296]  dump_stack_lvl+0x151/0x1b7
[   22.455847][  T296]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   22.461142][  T296]  ? _printk+0xd1/0x111
[   22.465160][  T296]  print_report+0xe1/0x4e0
[   22.469387][  T296]  ? _raw_spin_lock+0xa4/0x1b0
[   22.473985][  T296]  ? __virt_addr_valid+0x59/0x2f0
[   22.478849][  T296]  ? kasan_addr_to_slab+0xd/0x80
[   22.483631][  T296]  ? ihold+0x20/0x60
[   22.487356][  T296]  kasan_report+0x13c/0x170
[   22.491699][  T296]  ? ihold+0x20/0x60
[   22.495454][  T296]  kasan_check_range+0x294/0x2a0
[   22.500198][  T296]  __kasan_check_write+0x14/0x20
[   22.504971][  T296]  ihold+0x20/0x60
[   22.508535][  T296]  vfs_rmdir+0x268/0x500
[   22.512609][  T296]  incfs_kill_sb+0x113/0x230
[   22.517036][  T296]  deactivate_locked_super+0xad/0x110
[   22.522242][  T296]  deactivate_super+0xbe/0xf0
[   22.526754][  T296]  cleanup_mnt+0x485/0x510
[   22.531009][  T296]  __cleanup_mnt+0x19/0x20
[   22.535272][  T296]  task_work_run+0x24d/0x2e0
[   22.539704][  T296]  ? kmem_cache_free+0x291/0x510
[   22.544551][  T296]  ? task_work_cancel+0x2b0/0x2b0
[   22.549408][  T296]  ? free_nsproxy+0x20d/0x260
[   22.553927][  T296]  ? exit_task_namespaces+0xb4/0xd0
[   22.558954][  T296]  do_exit+0xbd5/0x2b80
[   22.562949][  T296]  ? put_task_struct+0x80/0x80
[   22.567544][  T296]  ? __kasan_check_write+0x14/0x20
[   22.572494][  T296]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   22.577440][  T296]  ? _raw_spin_lock_irqsave+0x210/0x210
[   22.582822][  T296]  ? zap_other_threads+0x29c/0x2d0
[   22.587768][  T296]  do_group_exit+0x21a/0x2d0
[   22.592197][  T296]  __x64_sys_exit_group+0x3f/0x40
[   22.597055][  T296]  do_syscall_64+0x3d/0xb0
[   22.601307][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   22.607044][  T296] RIP: 0033:0x7f5330885909
[   22.611289][  T296] Code: Unable to access opcode bytes at 0x7f53308858df.
[   22.618151][  T296] RSP: 002b:00007ffcad9b8f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   22.626397][  T296] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5330885909
[   22.634210][  T296] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   22.642025][  T296] RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000
[   22.649823][  T296] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350
[   22.657634][  T296] R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0
[   22.665452][  T296]  </TASK>
[   22.668312][  T296] ==================================================================
[   22.677109][  T296] Disabling lock debugging due to kernel taint
[   22.683105][  T296] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.690617][  T296] #PF: supervisor write access in kernel mode
[   22.696520][  T296] #PF: error_code(0x0002) - not-present page
[   22.702335][  T296] PGD 0 P4D 0 
[   22.705545][  T296] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.710580][  T296] CPU: 1 PID: 296 Comm: syz-executor891 Tainted: G    B   W          6.1.75-syzkaller-00017-gca4095789fda #0
[   22.721949][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   22.731845][  T296] RIP: 0010:ihold+0x25/0x60
[   22.736190][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 47 a9 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 b0 2a f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 74 4b a9
[   22.755892][  T296] RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010246
[   22.761794][  T296] RAX: ffff88811b89a800 RBX: 0000000000000001 RCX: ffff88811b89a880
[   22.769604][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.777415][  T296] RBP: ffffc90000dc7ac0 R08: ffffffff814470c3 R09: fffffbfff0ee5efd
[   22.785226][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102335af2b
[   22.793037][  T296] R13: ffff88811f931bb0 R14: 0000000000000000 R15: 1ffff11023f2637c
[   22.801458][  T296] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.810223][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.816644][  T296] CR2: 0000000000000170 CR3: 000000010f3e1000 CR4: 00000000003506a0
[   22.824459][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.832267][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.840081][  T296] Call Trace:
[   22.843204][  T296]  <TASK>
[   22.845983][  T296]  ? __die_body+0x62/0xb0
[   22.850151][  T296]  ? __die+0x7e/0x90
[   22.853879][  T296]  ? page_fault_oops+0x7f9/0xa90
[   22.858762][  T296]  ? vprintk_default+0x26/0x30
[   22.863353][  T296]  ? kernelmode_fixup_or_oops+0x270/0x270
[   22.869001][  T296]  ? add_taint+0x44/0xe0
[   22.873087][  T296]  ? panic+0x660/0x660
[   22.876990][  T296]  ? preempt_schedule_thunk+0x16/0x18
[   22.882194][  T296]  ? exc_page_fault+0x537/0x700
[   22.886874][  T296]  ? asm_exc_page_fault+0x27/0x30
[   22.891738][  T296]  ? add_taint+0x93/0xe0
[   22.895813][  T296]  ? ihold+0x25/0x60
[   22.899550][  T296]  vfs_rmdir+0x268/0x500
[   22.903649][  T296]  incfs_kill_sb+0x113/0x230
[   22.908054][  T296]  deactivate_locked_super+0xad/0x110
[   22.913260][  T296]  deactivate_super+0xbe/0xf0
[   22.917770][  T296]  cleanup_mnt+0x485/0x510
[   22.922035][  T296]  __cleanup_mnt+0x19/0x20
[   22.926285][  T296]  task_work_run+0x24d/0x2e0
[   22.930704][  T296]  ? kmem_cache_free+0x291/0x510
[   22.935479][  T296]  ? task_work_cancel+0x2b0/0x2b0
[   22.940350][  T296]  ? free_nsproxy+0x20d/0x260
[   22.944853][  T296]  ? exit_task_namespaces+0xb4/0xd0
[   22.949889][  T296]  do_exit+0xbd5/0x2b80
[   22.953879][  T296]  ? put_task_struct+0x80/0x80
[   22.958486][  T296]  ? __kasan_check_write+0x14/0x20
[   22.963426][  T296]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   22.968370][  T296]  ? _raw_spin_lock_irqsave+0x210/0x210
[   22.973755][  T296]  ? zap_other_threads+0x29c/0x2d0
[   22.978700][  T296]  do_group_exit+0x21a/0x2d0
[   22.983127][  T296]  __x64_sys_exit_group+0x3f/0x40
[   22.987989][  T296]  do_syscall_64+0x3d/0xb0
[   22.992239][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   22.998054][  T296] RIP: 0033:0x7f5330885909
[   23.002307][  T296] Code: Unable to access opcode bytes at 0x7f53308858df.
[   23.009163][  T296] RSP: 002b:00007ffcad9b8f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.017411][  T296] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5330885909
[   23.025221][  T296] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   23.033047][  T296] RBP: 00007f5330901350 R08: ffffffffffffffb8 R09: 0000000000000000
[   23.040843][  T296] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f5330901350
[   23.048652][  T296] R13: 0000000000000000 R14: 00007f5330901da0 R15: 00007f53308568f0
[   23.056470][  T296]  </TASK>
[   23.059330][  T296] Modules linked in:
[   23.063063][  T296] CR2: 0000000000000170
[   23.067061][  T296] ---[ end trace 0000000000000000 ]---
[   23.072348][  T296] RIP: 0010:ihold+0x25/0x60
[   23.076688][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 47 a9 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 b0 2a f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 74 4b a9
[   23.096129][  T296] RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010246
[   23.102205][  T296] RAX: ffff88811b89a800 RBX: 0000000000000001 RCX: ffff88811b89a880
[   23.110014][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.117826][  T296] RBP: ffffc90000dc7ac0 R08: ffffffff814470c3 R09: fffffbfff0ee5efd
[   23.125638][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102335af2b
[   23.133448][  T296] R13: ffff88811f931bb0 R14: 0000000000000000 R15: 1ffff11023f2637c
[   23.141262][  T296] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.150027][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.156449][  T296] CR2: 0000000000000170 CR3: 000000010f3e1000 CR4: 00000000003506a0
[   23.164264][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.172069][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.179883][  T296] Kernel panic - not syncing: Fatal exception
[   23.186049][  T296] Kernel Offset: disabled
[   23.190170][  T296] Rebooting in 86400 seconds..