./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1845282457

<...>
Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts.
execve("./syz-executor1845282457", ["./syz-executor1845282457"], 0x7ffe2e3f1e30 /* 10 vars */) = 0
brk(NULL)                               = 0x5555939c5000
brk(0x5555939c5d00)                     = 0x5555939c5d00
arch_prctl(ARCH_SET_FS, 0x5555939c5380) = 0
set_tid_address(0x5555939c5650)         = 288
set_robust_list(0x5555939c5660, 24)     = 0
rseq(0x5555939c5ca0, 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-executor1845282457", 4096) = 28
getrandom("\x66\x89\x7f\x97\x67\x46\x3b\xbd", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555939c5d00
brk(0x5555939e6d00)                     = 0x5555939e6d00
brk(0x5555939e7000)                     = 0x5555939e7000
mprotect(0x7fa7846da000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.g5F54q", 0700)       = 0
chmod("./syzkaller.g5F54q", 0777)       = 0
chdir("./syzkaller.g5F54q")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555939c5650) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x5555939c5660, 24) = 0
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] getppid()                   = 0
[pid   289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   289] unshare(CLONE_NEWNS)        = 0
[pid   289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   289] unshare(CLONE_NEWCGROUP)    = 0
[pid   289] unshare(CLONE_NEWUTS)       = 0
[pid   289] unshare(CLONE_SYSVSEM)      = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] getpid()                    = 1
[pid   289] 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   289] 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   289] unshare(CLONE_NEWNET)       = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "0 65535", 7)      = 7
[pid   289] close(3)                    = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "100000", 6)       = 6
[pid   289] close(3)                    = 0
[pid   289] mkdir("./syz-tmp", 0777)    = 0
[   24.103352][   T30] audit: type=1400 audit(1750400822.489:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor184" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.124878][   T30] audit: type=1400 audit(1750400822.509:65): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   289] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   289] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   289] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   289] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   289] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   289] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   289] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] 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)
[   24.163570][   T30] audit: type=1400 audit(1750400822.549:66): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/root/syzkaller.g5F54q/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.188321][   T30] audit: type=1400 audit(1750400822.549:67): avc:  denied  { mount } for  pid=289 comm="syz-executor184" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   289] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   289] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   289] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   289] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   289] chdir("/")                  = 0
[pid   289] umount2("./pivot", MNT_DETACH) = 0
[pid   289] chroot("./newroot")         = 0
[pid   289] chdir("/")                  = 0
[pid   289] mkdir("/dev/gadgetfs", 0777) = 0
[   24.210665][   T30] audit: type=1400 audit(1750400822.599:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/root/syzkaller.g5F54q/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
[   24.236150][   T30] audit: type=1400 audit(1750400822.599:69): avc:  denied  { mount } for  pid=289 comm="syz-executor184" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   289] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   289] mkdir("/dev/binderfs", 0777) = 0
[pid   289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   289] mkdir("./0", 0777)          = 0
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555939c5650) = 2
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x5555939c5660, 24) = 0
[pid   290] chdir("./0")                = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] setpgid(0, 0)               = 0
[pid   290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "1000", 4)         = 4
[pid   290] close(3)                    = 0
[pid   290] symlink("/dev/binderfs", "./binderfs") = 0
[pid   290] write(1, "executing program\n", 18executing program
) = 18
[pid   290] mkdir("./file0", 000)       = 0
[pid   290] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   24.239098][  T289] request_module fs-gadgetfs succeeded, but still no fs?
[   24.258102][   T30] audit: type=1400 audit(1750400822.599:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/root/syzkaller.g5F54q/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
[pid   290] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   290] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   290] exit_group(0)               = ?
[pid   290] +++ exited with 0 +++
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   289] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   289] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x5555939c66f0 /* 6 entries */, 32768) = 176
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x5555939ce730 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x5555939ce730 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.incomplete")    = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x5555939ce730 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x5555939ce730 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   24.258135][   T30] audit: type=1400 audit(1750400822.599:71): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/root/syzkaller.g5F54q/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14845 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   24.258162][   T30] audit: type=1400 audit(1750400822.609:72): avc:  denied  { unmount } for  pid=289 comm="syz-executor184" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.278872][  T290] incfs: ino conflict with backing FS 9
[   24.292141][   T30] audit: type=1400 audit(1750400822.629:73): avc:  denied  { mounton } for  pid=289 comm="syz-executor184" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.367937][  T289] ------------[ cut here ]------------
[   24.373417][  T289] WARNING: CPU: 1 PID: 289 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   24.381418][  T289] Modules linked in:
[   24.385379][  T289] CPU: 0 PID: 289 Comm: syz-executor184 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0
[   24.395661][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   24.405762][  T289] RIP: 0010:drop_nlink+0xc5/0x110
[   24.410815][  T289] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 83 3d f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b c9 b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   24.430537][  T289] RSP: 0018:ffffc900009d7ba8 EFLAGS: 00010293
[   24.436656][  T289] RAX: ffffffff81b4dcf5 RBX: ffff88811c0f9b50 RCX: ffff888125ee62c0
[   24.444822][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.452841][  T289] RBP: ffffc900009d7bd0 R08: 0000000000000004 R09: 0000000000000003
[   24.460854][  T289] R10: fffff5200013af64 R11: 1ffff9200013af64 R12: dffffc0000000000
[   24.468858][  T289] R13: 1ffff1102381f373 R14: ffff88811c0f9b98 R15: 0000000000000000
[   24.476858][  T289] FS:  00005555939c5380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.485820][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.492420][  T289] CR2: 00007fa7846b0380 CR3: 0000000125e32000 CR4: 00000000003506b0
[   24.500419][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.508417][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.516417][  T289] Call Trace:
[   24.519714][  T289]  <TASK>
[   24.522656][  T289]  shmem_rmdir+0x5b/0x90
[   24.526966][  T289]  vfs_rmdir+0x313/0x460
[   24.531251][  T289]  incfs_kill_sb+0x105/0x220
[   24.535881][  T289]  deactivate_locked_super+0xa0/0x100
[   24.541269][  T289]  deactivate_super+0xaf/0xe0
[   24.545976][  T289]  cleanup_mnt+0x446/0x500
[   24.550405][  T289]  __cleanup_mnt+0x19/0x20
[   24.554860][  T289]  task_work_run+0x127/0x190
[   24.559505][  T289]  ptrace_notify+0x212/0x250
[   24.564151][  T289]  ? do_notify_parent+0x800/0x800
[   24.569200][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.574427][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.579569][  T289]  ? path_umount+0xf90/0xf90
[   24.584169][  T289]  syscall_exit_work+0x87/0x160
[   24.589049][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.595213][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.600695][  T289]  do_syscall_64+0x58/0xa0
[   24.605121][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.609821][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.614509][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.620430][  T289] RIP: 0033:0x7fa784667ac7
[   24.624905][  T289] 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
[   24.644580][  T289] RSP: 002b:00007fff10cb5818 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   24.653075][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa784667ac7
[   24.661094][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff10cb58d0
[   24.669098][  T289] RBP: 00007fff10cb58d0 R08: 0000000000000000 R09: 0000000000000000
[   24.677098][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff10cb6940
[   24.685080][  T289] R13: 00005555939c66c0 R14: 00007fff10cb6940 R15: 0000000000000001
[   24.693248][  T289]  </TASK>
[   24.696311][  T289] ---[ end trace c3b0f206004b597a ]---
[   24.701867][  T289] ==================================================================
[   24.709922][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   24.716159][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor184/289
[   24.724388][  T289] 
[   24.726712][  T289] CPU: 0 PID: 289 Comm: syz-executor184 Tainted: G        W         5.15.185-syzkaller-00339-ge678c93d43cc #0
[   24.738329][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   24.748374][  T289] Call Trace:
[   24.751647][  T289]  <TASK>
[   24.754587][  T289]  __dump_stack+0x21/0x30
[   24.758911][  T289]  dump_stack_lvl+0xee/0x150
[   24.763492][  T289]  ? show_regs_print_info+0x20/0x20
[   24.768683][  T289]  ? _raw_spin_lock+0x8e/0xe0
[   24.773352][  T289]  ? _raw_spin_trylock_bh+0x130/0x130
[   24.778716][  T289]  ? ihold+0x20/0x60
[   24.782602][  T289]  kasan_report+0xe7/0x140
[   24.787009][  T289]  ? ihold+0x20/0x60
[   24.790894][  T289]  kasan_check_range+0x280/0x290
[   24.795829][  T289]  __kasan_check_write+0x14/0x20
[   24.800758][  T289]  ihold+0x20/0x60
[   24.804472][  T289]  vfs_rmdir+0x1f0/0x460
[   24.808706][  T289]  incfs_kill_sb+0x105/0x220
[   24.813298][  T289]  deactivate_locked_super+0xa0/0x100
[   24.818664][  T289]  deactivate_super+0xaf/0xe0
[   24.823331][  T289]  cleanup_mnt+0x446/0x500
[   24.827741][  T289]  __cleanup_mnt+0x19/0x20
[   24.832150][  T289]  task_work_run+0x127/0x190
[   24.836733][  T289]  ptrace_notify+0x212/0x250
[   24.841314][  T289]  ? do_notify_parent+0x800/0x800
[   24.846330][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.851520][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.856533][  T289]  ? path_umount+0xf90/0xf90
[   24.861113][  T289]  syscall_exit_work+0x87/0x160
[   24.865956][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.872101][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.877469][  T289]  do_syscall_64+0x58/0xa0
[   24.881875][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.886541][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.891210][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.897098][  T289] RIP: 0033:0x7fa784667ac7
[   24.901510][  T289] 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
[   24.921141][  T289] RSP: 002b:00007fff10cb5818 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   24.929549][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa784667ac7
[   24.937512][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff10cb58d0
[   24.945492][  T289] RBP: 00007fff10cb58d0 R08: 0000000000000000 R09: 0000000000000000
[   24.953453][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff10cb6940
[   24.961418][  T289] R13: 00005555939c66c0 R14: 00007fff10cb6940 R15: 0000000000000001
[   24.969383][  T289]  </TASK>
[   24.972393][  T289] ==================================================================
[   24.980435][  T289] Disabling lock debugging due to kernel taint
[   24.986784][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   24.994603][  T289] #PF: supervisor write access in kernel mode
[   25.000661][  T289] #PF: error_code(0x0002) - not-present page
[   25.006636][  T289] PGD 0 P4D 0 
[   25.010010][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.015205][  T289] CPU: 0 PID: 289 Comm: syz-executor184 Tainted: G    B   W         5.15.185-syzkaller-00339-ge678c93d43cc #0
[   25.026832][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   25.036890][  T289] RIP: 0010:ihold+0x26/0x60
[   25.041397][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 c1 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 70 35 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 31
[   25.061217][  T289] RSP: 0018:ffffc900009d7be8 EFLAGS: 00010246
[   25.067285][  T289] RAX: ffff888125ee6200 RBX: 0000000000000000 RCX: ffff888125ee62c0
[   25.075256][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.083230][  T289] RBP: ffffc900009d7bf8 R08: 0000000000000004 R09: 0000000000000003
[   25.091202][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff110225b5d16
[   25.099177][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.107152][  T289] FS:  00005555939c5380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.116084][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.122669][  T289] CR2: 0000000000000170 CR3: 0000000125e32000 CR4: 00000000003506b0
[   25.130646][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.138621][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.146595][  T289] Call Trace:
[   25.149881][  T289]  <TASK>
[   25.152809][  T289]  vfs_rmdir+0x1f0/0x460
[   25.157059][  T289]  incfs_kill_sb+0x105/0x220
[   25.161655][  T289]  deactivate_locked_super+0xa0/0x100
[   25.167033][  T289]  deactivate_super+0xaf/0xe0
[   25.171710][  T289]  cleanup_mnt+0x446/0x500
[   25.176126][  T289]  __cleanup_mnt+0x19/0x20
[   25.180545][  T289]  task_work_run+0x127/0x190
[   25.185135][  T289]  ptrace_notify+0x212/0x250
[   25.189730][  T289]  ? do_notify_parent+0x800/0x800
[   25.194762][  T289]  ? user_path_at_empty+0x161/0x1c0
[   25.199966][  T289]  ? __x64_sys_umount+0x125/0x160
[   25.204993][  T289]  ? path_umount+0xf90/0xf90
[   25.209591][  T289]  syscall_exit_work+0x87/0x160
[   25.214443][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.220598][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   25.225972][  T289]  do_syscall_64+0x58/0xa0
[   25.230386][  T289]  ? clear_bhb_loop+0x50/0xa0
[   25.235066][  T289]  ? clear_bhb_loop+0x50/0xa0
[   25.239749][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.245740][  T289] RIP: 0033:0x7fa784667ac7
[   25.250158][  T289] 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
[   25.269762][  T289] RSP: 002b:00007fff10cb5818 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   25.278182][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa784667ac7
[   25.286155][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff10cb58d0
[   25.294126][  T289] RBP: 00007fff10cb58d0 R08: 0000000000000000 R09: 0000000000000000
[   25.302095][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff10cb6940
[   25.310068][  T289] R13: 00005555939c66c0 R14: 00007fff10cb6940 R15: 0000000000000001
[   25.318043][  T289]  </TASK>
[   25.321060][  T289] Modules linked in:
[   25.324966][  T289] CR2: 0000000000000170
[   25.329122][  T289] ---[ end trace c3b0f206004b597b ]---
[   25.334571][  T289] RIP: 0010:ihold+0x26/0x60
[   25.339077][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 c1 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 70 35 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 31
[   25.358685][  T289] RSP: 0018:ffffc900009d7be8 EFLAGS: 00010246
[   25.364754][  T289] RAX: ffff888125ee6200 RBX: 0000000000000000 RCX: ffff888125ee62c0
[   25.372734][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.380708][  T289] RBP: ffffc900009d7bf8 R08: 0000000000000004 R09: 0000000000000003
[   25.388679][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff110225b5d16
[   25.396650][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.404625][  T289] FS:  00005555939c5380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.413555][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.420160][  T289] CR2: 0000000000000170 CR3: 0000000125e32000 CR4: 00000000003506b0
[   25.428137][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.436106][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.444083][  T289] Kernel panic - not syncing: Fatal exception
[   25.450387][  T289] Kernel Offset: disabled
[   25.454711][  T289] Rebooting in 86400 seconds..