./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2865103814

<...>
[    4.400290][  T102] udevd[102]: starting version 3.2.11
[    4.464922][  T103] udevd[103]: starting eudev-3.2.11
[    4.609004][  T104] udevadm (104) used greatest stack depth: 22256 bytes left
[   12.952062][   T28] kauditd_printk_skb: 50 callbacks suppressed
[   12.952077][   T28] audit: type=1400 audit(1734231790.097:61): avc:  denied  { transition } for  pid=226 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
[   12.961104][   T28] audit: type=1400 audit(1734231790.097:62): avc:  denied  { noatsecure } for  pid=226 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.966361][   T28] audit: type=1400 audit(1734231790.097:63): avc:  denied  { write } for  pid=226 comm="sh" path="pipe:[13228]" dev="pipefs" ino=13228 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   12.974486][   T28] audit: type=1400 audit(1734231790.097:64): avc:  denied  { rlimitinh } for  pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.993663][   T28] audit: type=1400 audit(1734231790.097:65): avc:  denied  { siginh } for  pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.837317][  T227] sshd (227) used greatest stack depth: 22064 bytes left
Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts.
execve("./syz-executor2865103814", ["./syz-executor2865103814"], 0x7ffde997cf90 /* 10 vars */) = 0
brk(NULL)                               = 0x55556515d000
brk(0x55556515dd00)                     = 0x55556515dd00
arch_prctl(ARCH_SET_FS, 0x55556515d380) = 0
set_tid_address(0x55556515d650)         = 296
set_robust_list(0x55556515d660, 24)     = 0
rseq(0x55556515dca0, 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-executor2865103814", 4096) = 28
getrandom("\x6a\x61\xf4\x62\x57\xbf\xe5\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556515dd00
brk(0x55556517ed00)                     = 0x55556517ed00
brk(0x55556517f000)                     = 0x55556517f000
mprotect(0x7f3b09b43000, 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.C5Vxqb", 0700)       = 0
chmod("./syzkaller.C5Vxqb", 0777)       = 0
chdir("./syzkaller.C5Vxqb")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556515d650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55556515d660, 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
[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
[   22.501237][   T28] audit: type=1400 audit(1734231799.647:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor286" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.521062][   T28] audit: type=1400 audit(1734231799.647:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   297] mkdir("/dev/gadgetfs", 0777) = 0
[pid   297] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[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=0x55556515d650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x55556515d660, 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)
[   22.542876][   T28] audit: type=1400 audit(1734231799.677:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/root/syzkaller.C5Vxqb/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.544874][  T297] request_module fs-gadgetfs succeeded, but still no fs?
[   22.567593][   T28] audit: type=1400 audit(1734231799.677:69): avc:  denied  { mount } for  pid=297 comm="syz-executor286" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   22.584237][  T298] incfs: ino conflict with backing FS 8
[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=2} ---
[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, 0x55556515e6f0 /* 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, 0x555565166730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555565166730 /* 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, 0x555565166730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555565166730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   22.596729][   T28] audit: type=1400 audit(1734231799.677:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/root/syzkaller.C5Vxqb/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
[   22.626462][  T297] ------------[ cut here ]------------
[   22.626957][   T28] audit: type=1400 audit(1734231799.677:71): avc:  denied  { mount } for  pid=297 comm="syz-executor286" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   22.631756][  T297] WARNING: CPU: 1 PID: 297 at fs/inode.c:332 drop_nlink+0xc1/0x110
[   22.653542][   T28] audit: type=1400 audit(1734231799.677:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/root/syzkaller.C5Vxqb/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
[   22.661252][  T297] Modules linked in:
[   22.688111][   T28] audit: type=1400 audit(1734231799.687:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/root/syzkaller.C5Vxqb/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14558 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.691557][  T297] CPU: 1 PID: 297 Comm: syz-executor286 Not tainted 6.1.115-syzkaller-00017-g22b7ded8b55b #0
[   22.718991][   T28] audit: type=1400 audit(1734231799.687:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor286" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.728870][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.728882][  T297] RIP: 0010:drop_nlink+0xc1/0x110
[   22.748434][   T28] audit: type=1400 audit(1734231799.687:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor286" path="/dev/gadgetfs" dev="devtmpfs" ino=522 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.758228][  T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 67 e2 ef ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2f 6e a8 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.805267][  T297] RSP: 0018:ffffc90000f77b30 EFLAGS: 00010293
[   22.811252][  T297] RAX: ffffffff81cd1881 RBX: 0000000000000000 RCX: ffff8881108d3cc0
[   22.819052][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.826843][  T297] RBP: ffffc90000f77b58 R08: ffffffff81cd1804 R09: 0000000000000003
[   22.834687][  T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[   22.842478][  T297] R13: 1ffff11024d0010b R14: ffff888126800810 R15: ffff888126800858
[   22.850295][  T297] FS:  000055556515d380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   22.859147][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.865559][  T297] CR2: 000055c86db67338 CR3: 0000000124f3f000 CR4: 00000000003506a0
[   22.873630][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.881400][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.889354][  T297] Call Trace:
[   22.892448][  T297]  <TASK>
[   22.895228][  T297]  ? show_regs+0x58/0x60
[   22.899330][  T297]  ? __warn+0x160/0x3d0
[   22.903297][  T297]  ? drop_nlink+0xc1/0x110
[   22.907550][  T297]  ? report_bug+0x4d5/0x7d0
[   22.911919][  T297]  ? drop_nlink+0xc1/0x110
[   22.916145][  T297]  ? handle_bug+0x41/0x70
[   22.920329][  T297]  ? exc_invalid_op+0x1b/0x50
[   22.924826][  T297]  ? asm_exc_invalid_op+0x1b/0x20
[   22.929716][  T297]  ? drop_nlink+0x44/0x110
[   22.933936][  T297]  ? drop_nlink+0xc1/0x110
[   22.938190][  T297]  ? drop_nlink+0xc1/0x110
[   22.942466][  T297]  shmem_rmdir+0x59/0x90
[   22.946524][  T297]  vfs_rmdir+0x398/0x500
[   22.950627][  T297]  incfs_kill_sb+0x113/0x230
[   22.955029][  T297]  deactivate_locked_super+0xad/0x110
[   22.960258][  T297]  deactivate_super+0xbe/0xf0
[   22.964753][  T297]  cleanup_mnt+0x485/0x510
[   22.969021][  T297]  __cleanup_mnt+0x19/0x20
[   22.973253][  T297]  task_work_run+0x24d/0x2e0
[   22.977685][  T297]  ? task_work_cancel+0x2e0/0x2e0
[   22.982567][  T297]  ptrace_notify+0x29e/0x350
[   22.987058][  T297]  ? do_notify_parent+0xa20/0xa20
[   22.991940][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   22.996947][  T297]  ? __x64_sys_umount+0x122/0x170
[   23.001827][  T297]  ? path_umount+0xe70/0xe70
[   23.006235][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   23.011649][  T297]  do_syscall_64+0x47/0xb0
[   23.015867][  T297]  ? clear_bhb_loop+0x55/0xb0
[   23.020401][  T297]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.026109][  T297] RIP: 0033:0x7f3b09ad0a47
[   23.030383][  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
[   23.049830][  T297] RSP: 002b:00007fff2217b778 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.058048][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3b09ad0a47
[   23.065890][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2217b830
[   23.073683][  T297] RBP: 00007fff2217b830 R08: 0000000000000000 R09: 0000000000000000
[   23.081501][  T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff2217c8a0
[   23.089390][  T297] R13: 000055556515e6c0 R14: 00007fff2217c8a0 R15: 0000000000000001
[   23.097194][  T297]  </TASK>
[   23.100081][  T297] ---[ end trace 0000000000000000 ]---
[   23.105448][  T297] ==================================================================
[   23.113249][  T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   23.119323][  T297] Write of size 4 at addr 0000000000000170 by task syz-executor286/297
[   23.127394][  T297] 
[   23.129575][  T297] CPU: 0 PID: 297 Comm: syz-executor286 Tainted: G        W          6.1.115-syzkaller-00017-g22b7ded8b55b #0
[   23.141023][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   23.150916][  T297] Call Trace:
[   23.154041][  T297]  <TASK>
[   23.156818][  T297]  dump_stack_lvl+0x151/0x1b7
[   23.161333][  T297]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   23.166626][  T297]  ? _printk+0xd1/0x111
[   23.170619][  T297]  print_report+0xe1/0x4e0
[   23.174876][  T297]  ? __virt_addr_valid+0x59/0x2f0
[   23.179731][  T297]  ? kasan_addr_to_slab+0xd/0x80
[   23.184513][  T297]  ? ihold+0x20/0x60
[   23.188433][  T297]  kasan_report+0x13c/0x170
[   23.192774][  T297]  ? ihold+0x20/0x60
[   23.196505][  T297]  kasan_check_range+0x294/0x2a0
[   23.201279][  T297]  __kasan_check_write+0x14/0x20
[   23.206061][  T297]  ihold+0x20/0x60
[   23.209699][  T297]  vfs_rmdir+0x268/0x500
[   23.213779][  T297]  incfs_kill_sb+0x113/0x230
[   23.218205][  T297]  deactivate_locked_super+0xad/0x110
[   23.223413][  T297]  deactivate_super+0xbe/0xf0
[   23.227927][  T297]  cleanup_mnt+0x485/0x510
[   23.232179][  T297]  __cleanup_mnt+0x19/0x20
[   23.236430][  T297]  task_work_run+0x24d/0x2e0
[   23.240857][  T297]  ? task_work_cancel+0x2e0/0x2e0
[   23.245720][  T297]  ptrace_notify+0x29e/0x350
[   23.250228][  T297]  ? do_notify_parent+0xa20/0xa20
[   23.255092][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   23.260123][  T297]  ? __x64_sys_umount+0x122/0x170
[   23.264984][  T297]  ? path_umount+0xe70/0xe70
[   23.269418][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   23.274795][  T297]  do_syscall_64+0x47/0xb0
[   23.279047][  T297]  ? clear_bhb_loop+0x55/0xb0
[   23.283557][  T297]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.289389][  T297] RIP: 0033:0x7f3b09ad0a47
[   23.293636][  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
[   23.313081][  T297] RSP: 002b:00007fff2217b778 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.321324][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3b09ad0a47
[   23.329135][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2217b830
[   23.336945][  T297] RBP: 00007fff2217b830 R08: 0000000000000000 R09: 0000000000000000
[   23.344758][  T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff2217c8a0
[   23.352569][  T297] R13: 000055556515e6c0 R14: 00007fff2217c8a0 R15: 0000000000000001
[   23.360385][  T297]  </TASK>
[   23.363244][  T297] ==================================================================
[   23.371319][  T297] Disabling lock debugging due to kernel taint
[   23.377292][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   23.384912][  T297] #PF: supervisor write access in kernel mode
[   23.390815][  T297] #PF: error_code(0x0002) - not-present page
[   23.396636][  T297] PGD 0 P4D 0 
[   23.399838][  T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[   23.404878][  T297] CPU: 0 PID: 297 Comm: syz-executor286 Tainted: G    B   W          6.1.115-syzkaller-00017-g22b7ded8b55b #0
[   23.416332][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   23.426223][  T297] RIP: 0010:ihold+0x25/0x60
[   23.430563][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 01 66 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 da ef 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 84 69 a8
[   23.450006][  T297] RSP: 0018:ffffc90000f77b70 EFLAGS: 00010246
[   23.455906][  T297] RAX: ffff8881108d3c00 RBX: 0000000000000001 RCX: ffff8881108d3cc0
[   23.463720][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.471533][  T297] RBP: ffffc90000f77b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   23.479339][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024d00639
[   23.487155][  T297] R13: ffff888123212770 R14: 0000000000000000 R15: 1ffff110246424f4
[   23.494966][  T297] FS:  000055556515d380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.503730][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.510150][  T297] CR2: 0000000000000170 CR3: 0000000124f3f000 CR4: 00000000003506b0
[   23.517965][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.525777][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.533587][  T297] Call Trace:
[   23.536710][  T297]  <TASK>
[   23.539488][  T297]  ? __die_body+0x62/0xb0
[   23.543654][  T297]  ? __die+0x7e/0x90
[   23.547388][  T297]  ? page_fault_oops+0x7f9/0xa90
[   23.552159][  T297]  ? vprintk_default+0x26/0x30
[   23.556759][  T297]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   23.562142][  T297]  ? add_taint+0x44/0xe0
[   23.566222][  T297]  ? panic+0x667/0x667
[   23.570128][  T297]  ? preempt_schedule_thunk+0x16/0x18
[   23.575337][  T297]  ? exc_page_fault+0x529/0x6d0
[   23.580024][  T297]  ? asm_exc_page_fault+0x27/0x30
[   23.584884][  T297]  ? add_taint+0x93/0xe0
[   23.588962][  T297]  ? ihold+0x25/0x60
[   23.592693][  T297]  vfs_rmdir+0x268/0x500
[   23.596774][  T297]  incfs_kill_sb+0x113/0x230
[   23.601196][  T297]  deactivate_locked_super+0xad/0x110
[   23.606405][  T297]  deactivate_super+0xbe/0xf0
[   23.610923][  T297]  cleanup_mnt+0x485/0x510
[   23.615174][  T297]  __cleanup_mnt+0x19/0x20
[   23.619426][  T297]  task_work_run+0x24d/0x2e0
[   23.623852][  T297]  ? task_work_cancel+0x2e0/0x2e0
[   23.628713][  T297]  ptrace_notify+0x29e/0x350
[   23.633139][  T297]  ? do_notify_parent+0xa20/0xa20
[   23.637997][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   23.643034][  T297]  ? __x64_sys_umount+0x122/0x170
[   23.647894][  T297]  ? path_umount+0xe70/0xe70
[   23.652320][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   23.657701][  T297]  do_syscall_64+0x47/0xb0
[   23.661957][  T297]  ? clear_bhb_loop+0x55/0xb0
[   23.666467][  T297]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.672194][  T297] RIP: 0033:0x7f3b09ad0a47
[   23.676446][  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
[   23.696115][  T297] RSP: 002b:00007fff2217b778 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.704352][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3b09ad0a47
[   23.712161][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2217b830
[   23.719985][  T297] RBP: 00007fff2217b830 R08: 0000000000000000 R09: 0000000000000000
[   23.727784][  T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff2217c8a0
[   23.735597][  T297] R13: 000055556515e6c0 R14: 00007fff2217c8a0 R15: 0000000000000001
[   23.743412][  T297]  </TASK>
[   23.746271][  T297] Modules linked in:
[   23.750018][  T297] CR2: 0000000000000170
[   23.754000][  T297] ---[ end trace 0000000000000000 ]---
[   23.759292][  T297] RIP: 0010:ihold+0x25/0x60
[   23.763631][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 01 66 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 da ef 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 84 69 a8
[   23.783076][  T297] RSP: 0018:ffffc90000f77b70 EFLAGS: 00010246
[   23.789064][  T297] RAX: ffff8881108d3c00 RBX: 0000000000000001 RCX: ffff8881108d3cc0
[   23.796872][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.804692][  T297] RBP: ffffc90000f77b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   23.812498][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024d00639
[   23.820429][  T297] R13: ffff888123212770 R14: 0000000000000000 R15: 1ffff110246424f4
[   23.828224][  T297] FS:  000055556515d380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.836991][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.843426][  T297] CR2: 0000000000000170 CR3: 0000000124f3f000 CR4: 00000000003506b0
[   23.851227][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.859036][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.866856][  T297] Kernel panic - not syncing: Fatal exception
[   23.873110][  T297] Kernel Offset: disabled
[   23.877233][  T297] Rebooting in 86400 seconds..