./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4095211619

<...>
[    3.791051][   T24] audit: type=1400 audit(1730663290.650:9): avc:  denied  { append open } for  pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[    3.794751][   T24] audit: type=1400 audit(1730663290.650:10): avc:  denied  { getattr } for  pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[    4.172350][   T94] udevd[94]: starting version 3.2.11
[    4.205496][   T95] udevd[95]: starting eudev-3.2.11
[   21.169467][   T24] kauditd_printk_skb: 50 callbacks suppressed
[   21.169477][   T24] audit: type=1400 audit(1730663308.040:61): avc:  denied  { transition } for  pid=269 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.175125][   T24] audit: type=1400 audit(1730663308.040:62): avc:  denied  { noatsecure } for  pid=269 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.178168][   T24] audit: type=1400 audit(1730663308.040:63): avc:  denied  { write } for  pid=269 comm="sh" path="pipe:[14494]" dev="pipefs" ino=14494 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   21.182653][   T24] audit: type=1400 audit(1730663308.040:64): avc:  denied  { rlimitinh } for  pid=269 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.185562][   T24] audit: type=1400 audit(1730663308.040:65): avc:  denied  { siginh } for  pid=269 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts.
execve("./syz-executor4095211619", ["./syz-executor4095211619"], 0x7ffdc1ca4010 /* 10 vars */) = 0
brk(NULL)                               = 0x555555def000
brk(0x555555defd00)                     = 0x555555defd00
arch_prctl(ARCH_SET_FS, 0x555555def380) = 0
set_tid_address(0x555555def650)         = 296
set_robust_list(0x555555def660, 24)     = 0
rseq(0x555555defca0, 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-executor4095211619", 4096) = 28
getrandom("\xf2\x29\x99\x10\xe9\xdc\x18\x21", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555defd00
brk(0x555555e10d00)                     = 0x555555e10d00
brk(0x555555e11000)                     = 0x555555e11000
mprotect(0x7f2477600000, 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("./syzkaller.n7DBMA", 0700)       = 0
chmod("./syzkaller.n7DBMA", 0777)       = 0
chdir("./syzkaller.n7DBMA")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555def650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x555555def660, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] getppid()                   = 0
[pid   297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   297] unshare(CLONE_NEWNS)        = 0
[pid   297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   297] unshare(CLONE_NEWCGROUP)    = 0
[pid   297] unshare(CLONE_NEWUTS)       = 0
[pid   297] unshare(CLONE_SYSVSEM)      = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] getpid()                    = 1
[pid   297] 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   297] 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   297] unshare(CLONE_NEWNET)       = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "0 65535", 7)      = 7
[pid   297] close(3)                    = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "100000", 6)       = 6
[pid   297] close(3)                    = 0
[pid   297] mkdir("./syz-tmp", 0777)    = 0
[   30.088609][   T24] audit: type=1400 audit(1730663316.960:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   30.113102][   T24] audit: type=1400 audit(1730663316.980:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/binderfs", 0777) = 0
[pid   297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   297] mkdir("./0", 0777)          = 0
[pid   297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555def650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x555555def660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs") = 0
[pid   298] write(1, "executing program\n", 18executing program
) = 18
[pid   298] mkdir("./file0", 000)       = 0
[pid   298] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(4)                    = -1 EBADF (Bad file descriptor)
[   30.138603][   T24] audit: type=1400 audit(1730663317.000:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   30.162893][   T24] audit: type=1400 audit(1730663317.010:69): avc:  denied  { mount } for  pid=297 comm="syz-executor409" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   298] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   298] exit_group(0)               = ?
[pid   298] +++ exited with 0 +++
[pid   297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   297] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(3, 0x555555df06f0 /* 6 entries */, 32768) = 176
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x555555df8730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555555df8730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.incomplete")    = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x555555df8730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555555df8730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   30.174841][  T298] incfs: ino conflict with backing FS 8
[   30.184951][   T24] audit: type=1400 audit(1730663317.020:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   30.215356][   T24] audit: type=1400 audit(1730663317.020:71): avc:  denied  { mount } for  pid=297 comm="syz-executor409" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   30.215522][  T297] ------------[ cut here ]------------
[   30.237022][   T24] audit: type=1400 audit(1730663317.020:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[   30.242742][  T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:304 drop_nlink+0xc1/0x110
[   30.268895][   T24] audit: type=1400 audit(1730663317.020:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13694 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   30.276693][  T297] Modules linked in:
[   30.303924][   T24] audit: type=1400 audit(1730663317.030:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   30.303958][   T24] audit: type=1400 audit(1730663317.030:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor409" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   30.350330][  T297] 
[   30.352398][  T297] CPU: 0 PID: 297 Comm: syz-executor409 Not tainted 5.10.226-syzkaller #0
[   30.360793][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   30.370772][  T297] RIP: 0010:drop_nlink+0xc1/0x110
[   30.375600][  T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 a7 cc f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 af 30 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   30.395164][  T297] RSP: 0018:ffffc90000b47be8 EFLAGS: 00010293
[   30.401255][  T297] RAX: ffffffff81b77c41 RBX: 0000000000000000 RCX: ffff88810cbe62c0
[   30.409155][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   30.416916][  T297] RBP: ffffc90000b47c10 R08: ffffffff81b77bc4 R09: 0000000000000003
[   30.424808][  T297] R10: fffff52000168f6c R11: dffffc0000000001 R12: dffffc0000000000
[   30.432555][  T297] R13: 1ffff11021ad3bb5 R14: ffff88810d69dd60 R15: ffff88810d69dda8
[   30.440378][  T297] FS:  0000555555def380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   30.449140][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.455526][  T297] CR2: 0000558ed8626338 CR3: 000000011c323000 CR4: 00000000003506b0
[   30.463376][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.471169][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.478999][  T297] Call Trace:
[   30.482096][  T297]  ? show_regs+0x58/0x60
[   30.486168][  T297]  ? __warn+0x160/0x2f0
[   30.490199][  T297]  ? drop_nlink+0xc1/0x110
[   30.494420][  T297]  ? report_bug+0x3d9/0x5b0
[   30.498789][  T297]  ? drop_nlink+0xc1/0x110
[   30.503009][  T297]  ? handle_bug+0x41/0x70
[   30.507168][  T297]  ? exc_invalid_op+0x1b/0x50
[   30.511723][  T297]  ? asm_exc_invalid_op+0x12/0x20
[   30.516549][  T297]  ? drop_nlink+0x44/0x110
[   30.520839][  T297]  ? drop_nlink+0xc1/0x110
[   30.525164][  T297]  ? drop_nlink+0xc1/0x110
[   30.529448][  T297]  ? drop_nlink+0xc1/0x110
[   30.533671][  T297]  shmem_rmdir+0x59/0x90
[   30.537764][  T297]  vfs_rmdir+0x2b7/0x3f0
[   30.541869][  T297]  incfs_kill_sb+0x108/0x220
[   30.546259][  T297]  deactivate_locked_super+0xad/0x110
[   30.551494][  T297]  deactivate_super+0xbe/0xf0
[   30.555976][  T297]  cleanup_mnt+0x45c/0x510
[   30.560294][  T297]  __cleanup_mnt+0x19/0x20
[   30.564505][  T297]  task_work_run+0x129/0x190
[   30.568960][  T297]  ptrace_notify+0x29e/0x350
[   30.573422][  T297]  ? do_notify_parent+0xa10/0xa10
[   30.578272][  T297]  ? user_path_at_empty+0x40/0x50
[   30.583263][  T297]  ? __x64_sys_umount+0x122/0x170
[   30.588086][  T297]  ? path_umount+0xea0/0xea0
[   30.592576][  T297]  syscall_exit_to_user_mode+0xf5/0x1a0
[   30.597899][  T297]  do_syscall_64+0x40/0x70
[   30.602209][  T297]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   30.607873][  T297] RIP: 0033:0x7f247758da07
[   30.612171][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   30.631706][  T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   30.639928][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[   30.647712][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[   30.655558][  T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[   30.663383][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[   30.671210][  T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[   30.678974][  T297] ---[ end trace 467a6b35aba90453 ]---
[   30.684287][  T297] ==================================================================
[   30.692150][  T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   30.698222][  T297] Write of size 4 at addr 0000000000000170 by task syz-executor409/297
[   30.706287][  T297] 
[   30.708463][  T297] CPU: 0 PID: 297 Comm: syz-executor409 Tainted: G        W         5.10.226-syzkaller #0
[   30.718185][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   30.728077][  T297] Call Trace:
[   30.731205][  T297]  dump_stack_lvl+0x1e2/0x24b
[   30.735716][  T297]  ? panic+0x812/0x812
[   30.739618][  T297]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   30.744916][  T297]  ? _raw_spin_lock+0xa4/0x1b0
[   30.749522][  T297]  ? _raw_spin_trylock_bh+0x190/0x190
[   30.754812][  T297]  kasan_report+0x167/0x1c0
[   30.759149][  T297]  ? ihold+0x20/0x60
[   30.762899][  T297]  ? ihold+0x20/0x60
[   30.766793][  T297]  kasan_check_range+0x293/0x2a0
[   30.771569][  T297]  __kasan_check_write+0x14/0x20
[   30.776331][  T297]  ihold+0x20/0x60
[   30.779905][  T297]  vfs_rmdir+0x200/0x3f0
[   30.784100][  T297]  incfs_kill_sb+0x108/0x220
[   30.788631][  T297]  deactivate_locked_super+0xad/0x110
[   30.793810][  T297]  deactivate_super+0xbe/0xf0
[   30.798313][  T297]  cleanup_mnt+0x45c/0x510
[   30.802575][  T297]  __cleanup_mnt+0x19/0x20
[   30.806816][  T297]  task_work_run+0x129/0x190
[   30.811247][  T297]  ptrace_notify+0x29e/0x350
[   30.815764][  T297]  ? do_notify_parent+0xa10/0xa10
[   30.820619][  T297]  ? user_path_at_empty+0x40/0x50
[   30.825478][  T297]  ? __x64_sys_umount+0x122/0x170
[   30.830335][  T297]  ? path_umount+0xea0/0xea0
[   30.834764][  T297]  syscall_exit_to_user_mode+0xf5/0x1a0
[   30.840149][  T297]  do_syscall_64+0x40/0x70
[   30.844402][  T297]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   30.850132][  T297] RIP: 0033:0x7f247758da07
[   30.854379][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   30.873823][  T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   30.882069][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[   30.889879][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[   30.897700][  T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[   30.905502][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[   30.913312][  T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[   30.921126][  T297] ==================================================================
[   30.929021][  T297] Disabling lock debugging due to kernel taint
[   30.935134][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   30.942647][  T297] #PF: supervisor write access in kernel mode
[   30.948545][  T297] #PF: error_code(0x0002) - not-present page
[   30.954365][  T297] PGD 0 P4D 0 
[   30.957574][  T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[   30.962613][  T297] CPU: 1 PID: 297 Comm: syz-executor409 Tainted: G    B   W         5.10.226-syzkaller #0
[   30.972335][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   30.982247][  T297] RIP: 0010:ihold+0x25/0x60
[   30.986575][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 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 44 2c b3
[   31.006013][  T297] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[   31.011995][  T297] RAX: ffff88810cbe6200 RBX: 0000000000000001 RCX: ffff88810cbe62c0
[   31.019804][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   31.027615][  T297] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003
[   31.035430][  T297] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[   31.043245][  T297] R13: ffff888120cfa440 R14: 0000000000000000 R15: 0000000000000000
[   31.051143][  T297] FS:  0000555555def380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   31.059903][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.066329][  T297] CR2: 0000000000000170 CR3: 000000011c323000 CR4: 00000000003506a0
[   31.074141][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.081962][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.089757][  T297] Call Trace:
[   31.092895][  T297]  ? __die_body+0x62/0xb0
[   31.097053][  T297]  ? __die+0x7e/0x90
[   31.100786][  T297]  ? no_context+0x9f9/0xd20
[   31.105122][  T297]  ? is_prefetch+0x5c0/0x5c0
[   31.109550][  T297]  ? preempt_schedule+0xd9/0xe0
[   31.114242][  T297]  ? __kasan_check_read+0x11/0x20
[   31.119101][  T297]  ? preempt_schedule_common+0xbe/0xf0
[   31.124390][  T297]  ? preempt_schedule+0xd9/0xe0
[   31.129079][  T297]  ? schedule_preempt_disabled+0x20/0x20
[   31.134548][  T297]  ? sysvec_apic_timer_interrupt+0xcb/0xe0
[   31.140195][  T297]  ? __bad_area_nosemaphore+0xc4/0x430
[   31.145572][  T297]  ? bad_area_nosemaphore+0x2d/0x40
[   31.150604][  T297]  ? exc_page_fault+0x3df/0x5b0
[   31.155290][  T297]  ? asm_exc_page_fault+0x1e/0x30
[   31.160155][  T297]  ? check_panic_on_warn+0x5b/0xb0
[   31.165097][  T297]  ? ihold+0x25/0x60
[   31.168830][  T297]  ? ihold+0x20/0x60
[   31.172562][  T297]  vfs_rmdir+0x200/0x3f0
[   31.176639][  T297]  incfs_kill_sb+0x108/0x220
[   31.181068][  T297]  deactivate_locked_super+0xad/0x110
[   31.186284][  T297]  deactivate_super+0xbe/0xf0
[   31.190877][  T297]  cleanup_mnt+0x45c/0x510
[   31.195216][  T297]  __cleanup_mnt+0x19/0x20
[   31.199463][  T297]  task_work_run+0x129/0x190
[   31.203906][  T297]  ptrace_notify+0x29e/0x350
[   31.208770][  T297]  ? do_notify_parent+0xa10/0xa10
[   31.213614][  T297]  ? user_path_at_empty+0x40/0x50
[   31.218475][  T297]  ? __x64_sys_umount+0x122/0x170
[   31.223422][  T297]  ? path_umount+0xea0/0xea0
[   31.227849][  T297]  syscall_exit_to_user_mode+0xf5/0x1a0
[   31.233231][  T297]  do_syscall_64+0x40/0x70
[   31.237486][  T297]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   31.243207][  T297] RIP: 0033:0x7f247758da07
[   31.247461][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   31.266902][  T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   31.275147][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[   31.282960][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[   31.290770][  T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[   31.298583][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[   31.306390][  T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[   31.314291][  T297] Modules linked in:
[   31.318046][  T297] CR2: 0000000000000170
[   31.322023][  T297] ---[ end trace 467a6b35aba90454 ]---
[   31.327353][  T297] RIP: 0010:ihold+0x25/0x60
[   31.331650][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 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 44 2c b3
[   31.351091][  T297] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[   31.356989][  T297] RAX: ffff88810cbe6200 RBX: 0000000000000001 RCX: ffff88810cbe62c0
[   31.364801][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   31.372613][  T297] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003
[   31.380514][  T297] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[   31.388324][  T297] R13: ffff888120cfa440 R14: 0000000000000000 R15: 0000000000000000
[   31.396136][  T297] FS:  0000555555def380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   31.404906][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.411412][  T297] CR2: 0000000000000170 CR3: 000000011c323000 CR4: 00000000003506a0
[   31.419221][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.427224][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.435032][  T297] Kernel panic - not syncing: Fatal exception
[   31.441168][  T297] Kernel Offset: disabled
[   31.445471][  T297] Rebooting in 86400 seconds..