./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2636458251

<...>
Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts.
execve("./syz-executor2636458251", ["./syz-executor2636458251"], 0x7fff0f8ad8f0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555fb2000
brk(0x555555fb2d00)                     = 0x555555fb2d00
arch_prctl(ARCH_SET_FS, 0x555555fb2380) = 0
set_tid_address(0x555555fb2650)         = 356
set_robust_list(0x555555fb2660, 24)     = 0
rseq(0x555555fb2ca0, 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-executor2636458251", 4096) = 28
getrandom("\x6a\x14\xd6\x3a\x6a\x20\x2a\xdb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555fb2d00
brk(0x555555fd3d00)                     = 0x555555fd3d00
brk(0x555555fd4000)                     = 0x555555fd4000
mprotect(0x7f86293bc000, 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)
[   23.985005][   T23] audit: type=1400 audit(1712859231.440:66): avc:  denied  { execmem } for  pid=356 comm="syz-executor263" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.991707][  T356] cgroup1: Unknown subsys name 'net'
[   24.005597][   T23] audit: type=1400 audit(1712859231.440:67): avc:  denied  { mounton } for  pid=356 comm="syz-executor263" 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, "net_prio") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0
[   24.010777][  T356] cgroup1: Unknown subsys name 'net_prio'
[   24.033181][   T23] audit: type=1400 audit(1712859231.440:68): avc:  denied  { mount } for  pid=356 comm="syz-executor263" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[   24.061342][  T356] cgroup1: Unknown subsys name 'devices'
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
[   24.068864][   T23] audit: type=1400 audit(1712859231.530:69): avc:  denied  { unmount } for  pid=356 comm="syz-executor263" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "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)
[   24.183595][  T356] cgroup1: Unknown subsys name 'hugetlb'
[   24.189506][  T356] cgroup1: 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") = ? 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.dSGx4w", 0700)       = 0
chmod("./syzkaller.dSGx4w", 0777)       = 0
chdir("./syzkaller.dSGx4w")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555fb2650) = 359
./strace-static-x86_64: Process 359 attached
[pid   359] set_robust_list(0x555555fb2660, 24) = 0
[pid   359] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   359] setsid()                    = 1
[pid   359] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   359] unshare(CLONE_NEWNS)        = 0
[pid   359] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   359] unshare(CLONE_NEWCGROUP)    = 0
[pid   359] unshare(CLONE_NEWUTS)       = 0
[pid   359] unshare(CLONE_SYSVSEM)      = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] getpid()                    = 1
[pid   359] 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, 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, inheritable=0}) = 0
[pid   359] 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, 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, inheritable=0}) = 0
[   24.322749][   T23] audit: type=1400 audit(1712859231.780:70): avc:  denied  { mounton } for  pid=359 comm="syz-executor263" 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
[   24.347229][   T23] audit: type=1400 audit(1712859231.800:71): avc:  denied  { mount } for  pid=359 comm="syz-executor263" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   359] unshare(CLONE_NEWNET)       = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "0 65535", 7)      = 7
[pid   359] close(3)                    = 0
[pid   359] mkdir("/dev/binderfs", 0777) = 0
[pid   359] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   359] getpid()                    = 1
[pid   359] mkdir("/syzcgroup/unified/syz0", 0777) = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "32", 2)           = 2
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "1", 1)            = 1
[pid   359] close(3)                    = 0
[pid   359] mkdir("/syzcgroup/cpu/syz0", 0777) = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "1", 1)            = 1
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "313524224", 9)    = 9
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "314572800", 9)    = 9
[pid   359] close(3)                    = 0
[pid   359] mkdir("/syzcgroup/net/syz0", 0777) = 0
[pid   359] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "1", 1)            = 1
[pid   359] close(3)                    = 0
[pid   359] mkdir("./0", 0777)          = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555fb2650) = 2
./strace-static-x86_64: Process 360 attached
[pid   360] set_robust_list(0x555555fb2660, 24) = 0
[pid   360] chdir("./0")                = 0
[pid   360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   360] setpgid(0, 0)               = 0
[pid   360] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid   360] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid   360] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid   360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   360] write(3, "1000", 4)         = 4
[pid   360] close(3)                    = 0
[pid   360] symlink("/dev/binderfs", "./binderfs") = 0
[pid   360] mkdir("./file0", 000)       = 0
[pid   360] mount(NULL, "./file0", "tmpfs", 0, NULL) = 0
[pid   360] mount("./file0", "./cgroup", "incremental-fs", 0, NULL) = 0
[pid   360] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   360] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   360] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   360] exit_group(0)               = ?
[pid   360] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   24.372023][   T23] audit: type=1400 audit(1712859231.800:72): avc:  denied  { mounton } for  pid=359 comm="syz-executor263" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   24.394423][   T23] audit: type=1400 audit(1712859231.830:73): avc:  denied  { mounton } for  pid=359 comm="syz-executor263" path="/dev/binderfs" dev="devtmpfs" ino=10717 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[pid   359] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3, 0x555555fb36f0 /* 7 entries */, 32768) = 208
[pid   359] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./0/cgroup.cpu")    = 0
[pid   359] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./0/binderfs")      = 0
[pid   359] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   359] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   359] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   359] newfstatat(4, "", {st_mode=S_IFDIR|S_ISVTX|0777, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(4, 0x555555fbb730 /* 4 entries */, 32768) = 112
[pid   359] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   359] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(5, 0x555555fc3770 /* 2 entries */, 32768) = 48
[pid   359] getdents64(5, 0x555555fc3770 /* 0 entries */, 32768) = 0
[pid   359] close(5)                    = 0
[pid   359] rmdir("./0/file0/.incomplete") = 0
[pid   359] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   359] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(5, 0x555555fc3770 /* 2 entries */, 32768) = 48
[pid   359] getdents64(5, 0x555555fc3770 /* 0 entries */, 32768) = 0
[pid   359] close(5)                    = 0
[pid   359] rmdir("./0/file0/.index")   = 0
[pid   359] getdents64(4, 0x555555fbb730 /* 0 entries */, 32768) = 0
[pid   359] close(4)                    = 0
[pid   359] rmdir("./0/file0")          = -1 EBUSY (Device or resource busy)
[pid   359] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   359] exit_group(1)               = ?
[   24.418617][   T23] audit: type=1400 audit(1712859231.830:74): avc:  denied  { mount } for  pid=359 comm="syz-executor263" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[   24.441557][  T359] ------------[ cut here ]------------
[   24.442465][   T23] audit: type=1400 audit(1712859231.860:75): avc:  denied  { mounton } for  pid=360 comm="syz-executor263" path="/root/syzkaller.dSGx4w/0/file0" dev="sda1" ino=1936 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.446846][  T359] WARNING: CPU: 1 PID: 359 at fs/inode.c:302 drop_nlink+0xbb/0x100
[   24.478852][  T359] Modules linked in:
[   24.482585][  T359] CPU: 1 PID: 359 Comm: syz-executor263 Not tainted 5.4.268-syzkaller-00012-gd0d34dcb02cc #0
[   24.492569][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   24.502472][  T359] RIP: 0010:drop_nlink+0xbb/0x100
[   24.507320][  T359] Code: 49 8b 1e 48 8d bb d0 04 00 00 be 08 00 00 00 e8 eb ac f2 ff f0 48 ff 83 d0 04 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 75 05 c3 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   24.526757][  T359] RSP: 0018:ffff8881dc277aa8 EFLAGS: 00010293
[   24.532748][  T359] RAX: ffffffff81a141ab RBX: 1ffff1103b93dd49 RCX: ffff8881dbf70fc0
[   24.540664][  T359] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.548724][  T359] RBP: 0000000000000000 R08: ffffffff81a1412f R09: 0000000000000003
[   24.556729][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881dc9eea48
[   24.564648][  T359] R13: dffffc0000000000 R14: ffff8881dc9eea00 R15: dffffc0000000000
[   24.572464][  T359] FS:  0000555555fb2380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.581233][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.587825][  T359] CR2: 00007f86293c31b0 CR3: 00000001ee3bb000 CR4: 00000000003406a0
[   24.595813][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.603707][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.611516][  T359] Call Trace:
[   24.614751][  T359]  ? __warn+0x162/0x250
[   24.618756][  T359]  ? report_bug+0x3a1/0x4e0
[   24.623227][  T359]  ? drop_nlink+0xbb/0x100
[   24.627455][  T359]  ? drop_nlink+0xbb/0x100
[   24.631875][  T359]  ? do_invalid_op+0x6e/0x110
[   24.636384][  T359]  ? invalid_op+0x1e/0x30
[   24.640646][  T359]  ? drop_nlink+0x3f/0x100
[   24.644877][  T359]  ? drop_nlink+0xbb/0x100
[   24.649132][  T359]  ? drop_nlink+0xbb/0x100
[   24.653383][  T359]  ? drop_nlink+0xbb/0x100
[   24.657638][  T359]  shmem_rmdir+0x54/0x80
[   24.661718][  T359]  vfs_rmdir+0x285/0x3c0
[   24.665795][  T359]  incfs_kill_sb+0x105/0x200
[   24.670344][  T359]  deactivate_locked_super+0xa8/0x110
[   24.675700][  T359]  deactivate_super+0x1e2/0x2a0
[   24.680386][  T359]  ? deactivate_locked_super+0x110/0x110
[   24.685937][  T359]  ? lockref_put_return+0xbf/0xe0
[   24.690889][  T359]  ? dput+0x294/0x2f0
[   24.694703][  T359]  cleanup_mnt+0x44e/0x500
[   24.699045][  T359]  task_work_run+0x140/0x170
[   24.703483][  T359]  do_exit+0xcaf/0x2bc0
[   24.707473][  T359]  ? put_task_struct+0x80/0x80
[   24.712064][  T359]  ? syscall_trace_enter+0x650/0x940
[   24.717188][  T359]  do_group_exit+0x138/0x300
[   24.721707][  T359]  __x64_sys_exit_group+0x3b/0x40
[   24.726641][  T359]  do_syscall_64+0xca/0x1c0
[   24.730986][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   24.736712][  T359] ---[ end trace 9486d8cdf02dd3d2 ]---
[   24.742587][  T359] ==================================================================
[   24.750571][  T359] BUG: KASAN: null-ptr-deref in ihold+0x1b/0x50
[   24.756636][  T359] Write of size 4 at addr 0000000000000160 by task syz-executor263/359
[   24.764710][  T359] 
[   24.767188][  T359] CPU: 0 PID: 359 Comm: syz-executor263 Tainted: G        W         5.4.268-syzkaller-00012-gd0d34dcb02cc #0
[   24.778509][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   24.788399][  T359] Call Trace:
[   24.791538][  T359]  dump_stack+0x1d8/0x241
[   24.795791][  T359]  ? panic+0x896/0x896
[   24.799687][  T359]  ? nf_ct_l4proto_log_invalid+0x258/0x258
[   24.805414][  T359]  ? _raw_spin_trylock_bh+0x190/0x190
[   24.810645][  T359]  ? shmem_destroy_inode+0x5/0x10
[   24.815494][  T359]  ? call_rcu+0x10/0x10
[   24.819572][  T359]  ? ihold+0x1b/0x50
[   24.823298][  T359]  __kasan_report+0xe9/0x120
[   24.827721][  T359]  ? ihold+0x1b/0x50
[   24.831454][  T359]  kasan_report+0x30/0x60
[   24.835621][  T359]  check_memory_region+0x272/0x280
[   24.840659][  T359]  ihold+0x1b/0x50
[   24.844231][  T359]  vfs_rmdir+0x1e0/0x3c0
[   24.848300][  T359]  incfs_kill_sb+0x105/0x200
[   24.852733][  T359]  deactivate_locked_super+0xa8/0x110
[   24.857933][  T359]  deactivate_super+0x1e2/0x2a0
[   24.862707][  T359]  ? deactivate_locked_super+0x110/0x110
[   24.868170][  T359]  ? lockref_put_return+0xbf/0xe0
[   24.873124][  T359]  ? dput+0x294/0x2f0
[   24.877032][  T359]  cleanup_mnt+0x44e/0x500
[   24.881281][  T359]  task_work_run+0x140/0x170
[   24.885709][  T359]  do_exit+0xcaf/0x2bc0
[   24.889711][  T359]  ? put_task_struct+0x80/0x80
[   24.894316][  T359]  ? syscall_trace_enter+0x650/0x940
[   24.899424][  T359]  do_group_exit+0x138/0x300
[   24.903852][  T359]  __x64_sys_exit_group+0x3b/0x40
[   24.908786][  T359]  do_syscall_64+0xca/0x1c0
[   24.913130][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   24.918949][  T359] ==================================================================
[   24.926923][  T359] Disabling lock debugging due to kernel taint
[   24.933797][  T359] BUG: kernel NULL pointer dereference, address: 0000000000000160
[   24.941436][  T359] #PF: supervisor write access in kernel mode
[   24.947316][  T359] #PF: error_code(0x0002) - not-present page
[   24.953297][  T359] PGD 0 P4D 0 
[   24.956508][  T359] Oops: 0002 [#1] PREEMPT SMP KASAN
[   24.961634][  T359] CPU: 1 PID: 359 Comm: syz-executor263 Tainted: G    B   W         5.4.268-syzkaller-00012-gd0d34dcb02cc #0
[   24.973104][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   24.983014][  T359] RIP: 0010:ihold+0x20/0x50
[   24.987320][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 d6 fd c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 25 a5 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 9a 00 c3 ff
[   25.006766][  T359] RSP: 0018:ffff8881dc277ae0 EFLAGS: 00010246
[   25.012661][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881dbf70fc0
[   25.020470][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.028470][  T359] RBP: 0000000000000001 R08: ffffffff813af685 R09: 0000000000000003
[   25.036415][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   25.044190][  T359] R13: dffffc0000000000 R14: ffff8881dc9ec060 R15: 0000000000000000
[   25.052211][  T359] FS:  0000555555fb2380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   25.060989][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.067362][  T359] CR2: 0000000000000160 CR3: 00000001eda5b000 CR4: 00000000003406a0
[   25.075177][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.082986][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.090796][  T359] Call Trace:
[   25.093937][  T359]  ? __die+0xb4/0x100
[   25.097751][  T359]  ? no_context+0xbda/0xe50
[   25.102128][  T359]  ? schedule_preempt_disabled+0x20/0x20
[   25.107577][  T359]  ? is_prefetch+0x4b0/0x4b0
[   25.111979][  T359]  ? ihold+0x1b/0x50
[   25.115715][  T359]  ? __do_page_fault+0xa7d/0xbb0
[   25.120481][  T359]  ? __bad_area_nosemaphore+0xc0/0x460
[   25.125780][  T359]  ? page_fault+0x2f/0x40
[   25.129944][  T359]  ? check_panic_on_warn+0x55/0xa0
[   25.134890][  T359]  ? ihold+0x20/0x50
[   25.138624][  T359]  vfs_rmdir+0x1e0/0x3c0
[   25.142704][  T359]  incfs_kill_sb+0x105/0x200
[   25.147146][  T359]  deactivate_locked_super+0xa8/0x110
[   25.152340][  T359]  deactivate_super+0x1e2/0x2a0
[   25.157026][  T359]  ? deactivate_locked_super+0x110/0x110
[   25.162487][  T359]  ? lockref_put_return+0xbf/0xe0
[   25.167461][  T359]  ? dput+0x294/0x2f0
[   25.171259][  T359]  cleanup_mnt+0x44e/0x500
[   25.175509][  T359]  task_work_run+0x140/0x170
[   25.179934][  T359]  do_exit+0xcaf/0x2bc0
[   25.183949][  T359]  ? put_task_struct+0x80/0x80
[   25.188634][  T359]  ? syscall_trace_enter+0x650/0x940
[   25.193759][  T359]  do_group_exit+0x138/0x300
[   25.198183][  T359]  __x64_sys_exit_group+0x3b/0x40
[   25.203043][  T359]  do_syscall_64+0xca/0x1c0
[   25.207381][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   25.213192][  T359] Modules linked in:
[   25.216923][  T359] CR2: 0000000000000160
[   25.220920][  T359] ---[ end trace 9486d8cdf02dd3d3 ]---
[   25.226239][  T359] RIP: 0010:ihold+0x20/0x50
[   25.230556][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 d6 fd c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 25 a5 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 9a 00 c3 ff
[   25.250080][  T359] RSP: 0018:ffff8881dc277ae0 EFLAGS: 00010246
[   25.255980][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881dbf70fc0
[   25.263792][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.271623][  T359] RBP: 0000000000000001 R08: ffffffff813af685 R09: 0000000000000003
[   25.279421][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   25.287367][  T359] R13: dffffc0000000000 R14: ffff8881dc9ec060 R15: 0000000000000000
[   25.295166][  T359] FS:  0000555555fb2380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   25.303924][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.310368][  T359] CR2: 0000000000000160 CR3: 00000001eda5b000 CR4: 00000000003406a0
[   25.318172][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.325972][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.333786][  T359] Kernel panic - not syncing: Fatal exception
[   25.339926][  T359] Kernel Offset: disabled
[   25.344075][  T359] Rebooting in 86400 seconds..