./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2465343016

<...>
Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts.
execve("./syz-executor2465343016", ["./syz-executor2465343016"], 0x7ffe41ca74c0 /* 10 vars */) = 0
brk(NULL)                               = 0x55558269d000
brk(0x55558269de00)                     = 0x55558269de00
arch_prctl(ARCH_SET_FS, 0x55558269d480) = 0
set_tid_address(0x55558269d750)         = 289
set_robust_list(0x55558269d760, 24)     = 0
rseq(0x55558269dda0, 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-executor2465343016", 4096) = 28
getrandom("\x8b\x3f\xac\x9b\x70\x4e\x47\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558269de00
brk(0x5555826bee00)                     = 0x5555826bee00
brk(0x5555826bf000)                     = 0x5555826bf000
mprotect(0x7fe370d09000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fe370c5fdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe370c67aa0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fe370c5fdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe370c67aa0}, NULL, 8) = 0
mkdir("./syzkaller.96vPH2", 0700)       = 0
chmod("./syzkaller.96vPH2", 0777)       = 0
chdir("./syzkaller.96vPH2")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558269d750) = 290
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x55558269d760, 24) = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] getppid()                   = 0
[pid   290] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   290] unshare(CLONE_NEWNS)        = 0
[pid   290] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   290] unshare(CLONE_NEWCGROUP)    = 0
[pid   290] unshare(CLONE_NEWUTS)       = 0
[pid   290] unshare(CLONE_SYSVSEM)      = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] getpid()                    = 1
[pid   290] 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   290] 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   290] unshare(CLONE_NEWNET)       = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "0 65535", 7)      = 7
[pid   290] close(3)                    = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "100000", 6)       = 6
[pid   290] close(3)                    = 0
[pid   290] mkdir("./syz-tmp", 0777)    = 0
[pid   290] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   290] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   290] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   290] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   290] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   290] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   290] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] 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   290] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   290] 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   290] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   290] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   290] chdir("/")                  = 0
[   22.044054][   T28] audit: type=1400 audit(1752249960.998:64): avc:  denied  { execmem } for  pid=289 comm="syz-executor246" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.050375][   T28] audit: type=1400 audit(1752249960.998:65): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   22.067399][   T28] audit: type=1400 audit(1752249961.018:66): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/root/syzkaller.96vPH2/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   290] umount2("./pivot", MNT_DETACH) = 0
[pid   290] chroot("./newroot")         = 0
[pid   290] chdir("/")                  = 0
[pid   290] mkdir("/dev/gadgetfs", 0777) = 0
[   22.091812][   T28] audit: type=1400 audit(1752249961.018:67): avc:  denied  { mount } for  pid=290 comm="syz-executor246" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   22.114349][   T28] audit: type=1400 audit(1752249961.018:68): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/root/syzkaller.96vPH2/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
[pid   290] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   290] mkdir("/dev/binderfs", 0777) = 0
[pid   290] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   290] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   290] mkdir("./0", 0777)          = 0
[pid   290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   290] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   290] close(3)                    = 0
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558269d750) = 2
./strace-static-x86_64: Process 292 attached
[pid   292] set_robust_list(0x55558269d760, 24) = 0
[pid   292] chdir("./0")                = 0
[pid   292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   292] setpgid(0, 0)               = 0
[pid   292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   292] write(3, "1000", 4)         = 4
[pid   292] close(3)                    = 0
[pid   292] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   292] write(1, "executing program\n", 18) = 18
[pid   292] mkdir("./file0", 0777)      = 0
[pid   292] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   292] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   292] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   292] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   292] exit_group(0)               = ?
[pid   292] +++ exited with 0 +++
[pid   290] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   290] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   290] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   290] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(3, 0x55558269e7f0 /* 6 entries */, 32768) = 176
[pid   290] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   290] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   290] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(4, 0x5555826a6830 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x5555826a6830 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.incomplete")    = 0
[pid   290] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   290] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   290] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(4, 0x5555826a6830 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x5555826a6830 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.index")         = 0
[   22.115851][  T290] request_module fs-gadgetfs succeeded, but still no fs?
[   22.140209][   T28] audit: type=1400 audit(1752249961.018:69): avc:  denied  { mount } for  pid=290 comm="syz-executor246" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   22.169364][  T292] incfs: ino conflict with backing FS 9
[   22.169604][   T28] audit: type=1400 audit(1752249961.018:70): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/root/syzkaller.96vPH2/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
[   22.201892][  T290] ------------[ cut here ]------------
[   22.202577][   T28] audit: type=1400 audit(1752249961.028:71): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/root/syzkaller.96vPH2/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=15169 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.207820][  T290] WARNING: CPU: 1 PID: 290 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   22.234901][   T28] audit: type=1400 audit(1752249961.028:72): avc:  denied  { unmount } for  pid=290 comm="syz-executor246" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.242787][  T290] Modules linked in:
[   22.262735][   T28] audit: type=1400 audit(1752249961.068:73): avc:  denied  { mounton } for  pid=290 comm="syz-executor246" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.266382][  T290] CPU: 1 PID: 290 Comm: syz-executor246 Not tainted 6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   22.299794][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   22.309874][  T290] RIP: 0010:drop_nlink+0xc5/0x110
[   22.314946][  T290] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 d3 eb f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4b 8f ac ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   22.334560][  T290] RSP: 0018:ffffc90000e77b38 EFLAGS: 00010293
[   22.340631][  T290] RAX: ffffffff81c36825 RBX: ffff88810e090fa0 RCX: ffff88810c81bcc0
[   22.348611][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.356597][  T290] RBP: ffffc90000e77b60 R08: 0000000000000004 R09: 0000000000000003
[   22.364579][  T290] R10: fffff520001cef58 R11: 1ffff920001cef58 R12: dffffc0000000000
[   22.372573][  T290] R13: 1ffff11021c121fd R14: ffff88810e090fe8 R15: 0000000000000000
[   22.380544][  T290] FS:  000055558269d480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.389473][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.396087][  T290] CR2: 00005649729f9748 CR3: 000000010e868000 CR4: 00000000003506a0
[   22.404071][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.412045][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.420050][  T290] Call Trace:
[   22.423346][  T290]  <TASK>
[   22.426268][  T290]  shmem_rmdir+0x5b/0x90
[   22.430503][  T290]  vfs_rmdir+0x393/0x500
[   22.434770][  T290]  incfs_kill_sb+0x105/0x220
[   22.439374][  T290]  deactivate_locked_super+0xb5/0x120
[   22.444780][  T290]  deactivate_super+0xaf/0xe0
[   22.449476][  T290]  cleanup_mnt+0x45f/0x4e0
[   22.453913][  T290]  ? umount_tree+0xe10/0xe10
[   22.458512][  T290]  __cleanup_mnt+0x19/0x20
[   22.462958][  T290]  task_work_run+0x1db/0x240
[   22.467568][  T290]  ? __cfi_task_work_run+0x10/0x10
[   22.472695][  T290]  ? path_umount+0x351/0xf50
[   22.477300][  T290]  ? __kasan_slab_free+0x11/0x20
[   22.482234][  T290]  ptrace_notify+0x221/0x250
[   22.486858][  T290]  ? __cfi_path_umount+0x10/0x10
[   22.491818][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   22.496951][  T290]  ? user_path_at_empty+0x161/0x1c0
[   22.502151][  T290]  ? __x64_sys_umount+0x125/0x160
[   22.507196][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   22.512586][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   22.518209][  T290]  syscall_exit_work+0x84/0x140
[   22.523067][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   22.529226][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   22.534617][  T290]  do_syscall_64+0x58/0xa0
[   22.539039][  T290]  ? clear_bhb_loop+0x30/0x80
[   22.543755][  T290]  ? clear_bhb_loop+0x30/0x80
[   22.548451][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.554369][  T290] RIP: 0033:0x7fe370c96187
[   22.558812][  T290] 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
[   22.578431][  T290] RSP: 002b:00007fff6551ff38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.586872][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe370c96187
[   22.595384][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6551fff0
[   22.603386][  T290] RBP: 00007fff6551fff0 R08: 0000000000000000 R09: 0000000000000000
[   22.611364][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff65521060
[   22.619355][  T290] R13: 000055558269e7c0 R14: 431bde82d7b634db R15: 00007fff65521080
[   22.627382][  T290]  </TASK>
[   22.630417][  T290] ---[ end trace 0000000000000000 ]---
[   22.635972][  T290] ==================================================================
[   22.644040][  T290] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.650280][  T290] Write of size 4 at addr 0000000000000170 by task syz-executor246/290
[   22.658508][  T290] 
[   22.660839][  T290] CPU: 1 PID: 290 Comm: syz-executor246 Tainted: G        W          6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   22.672457][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   22.682501][  T290] Call Trace:
[   22.685776][  T290]  <TASK>
[   22.688702][  T290]  __dump_stack+0x21/0x24
[   22.693048][  T290]  dump_stack_lvl+0xee/0x150
[   22.697641][  T290]  ? __cfi_dump_stack_lvl+0x8/0x8
[   22.702670][  T290]  ? ihold+0x20/0x60
[   22.706560][  T290]  ? ihold+0x20/0x60
[   22.710447][  T290]  print_report+0x3d/0x60
[   22.714778][  T290]  kasan_report+0x122/0x150
[   22.719280][  T290]  ? ihold+0x20/0x60
[   22.723171][  T290]  kasan_check_range+0x280/0x290
[   22.728109][  T290]  __kasan_check_write+0x14/0x20
[   22.733054][  T290]  ihold+0x20/0x60
[   22.736790][  T290]  vfs_rmdir+0x25f/0x500
[   22.741023][  T290]  incfs_kill_sb+0x105/0x220
[   22.745605][  T290]  deactivate_locked_super+0xb5/0x120
[   22.750975][  T290]  deactivate_super+0xaf/0xe0
[   22.755652][  T290]  cleanup_mnt+0x45f/0x4e0
[   22.760076][  T290]  ? umount_tree+0xe10/0xe10
[   22.764667][  T290]  __cleanup_mnt+0x19/0x20
[   22.769088][  T290]  task_work_run+0x1db/0x240
[   22.773676][  T290]  ? __cfi_task_work_run+0x10/0x10
[   22.778789][  T290]  ? path_umount+0x351/0xf50
[   22.783382][  T290]  ? __kasan_slab_free+0x11/0x20
[   22.788514][  T290]  ptrace_notify+0x221/0x250
[   22.793119][  T290]  ? __cfi_path_umount+0x10/0x10
[   22.798060][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   22.803182][  T290]  ? user_path_at_empty+0x161/0x1c0
[   22.808378][  T290]  ? __x64_sys_umount+0x125/0x160
[   22.813401][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   22.818788][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   22.824435][  T290]  syscall_exit_work+0x84/0x140
[   22.829300][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   22.835463][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   22.840849][  T290]  do_syscall_64+0x58/0xa0
[   22.845266][  T290]  ? clear_bhb_loop+0x30/0x80
[   22.849948][  T290]  ? clear_bhb_loop+0x30/0x80
[   22.854627][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.860516][  T290] RIP: 0033:0x7fe370c96187
[   22.864921][  T290] 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
[   22.884527][  T290] RSP: 002b:00007fff6551ff38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.892948][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe370c96187
[   22.900914][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6551fff0
[   22.908893][  T290] RBP: 00007fff6551fff0 R08: 0000000000000000 R09: 0000000000000000
[   22.916866][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff65521060
[   22.924833][  T290] R13: 000055558269e7c0 R14: 431bde82d7b634db R15: 00007fff65521080
[   22.932846][  T290]  </TASK>
[   22.935865][  T290] ==================================================================
[   22.944058][  T290] Disabling lock debugging due to kernel taint
[   22.950229][  T290] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.958025][  T290] #PF: supervisor write access in kernel mode
[   22.964082][  T290] #PF: error_code(0x0002) - not-present page
[   22.970051][  T290] PGD 0 P4D 0 
[   22.973416][  T290] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.978597][  T290] CPU: 0 PID: 290 Comm: syz-executor246 Tainted: G    B   W          6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   22.990212][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.000263][  T290] RIP: 0010:ihold+0x26/0x60
[   23.004762][  T290] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 b1 86 ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 e3 f0 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 a1
[   23.024375][  T290] RSP: 0018:ffffc90000e77b78 EFLAGS: 00010246
[   23.030442][  T290] RAX: ffff88810c81bc00 RBX: 0000000000000000 RCX: ffff88810c81bcc0
[   23.038407][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.046364][  T290] RBP: ffffc90000e77b88 R08: dffffc0000000000 R09: fffffbfff0f2ccfd
[   23.054326][  T290] R10: fffffbfff0f2ccfd R11: 1ffffffff0f2ccfc R12: ffff88810e090fac
[   23.062286][  T290] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   23.070247][  T290] FS:  000055558269d480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.079165][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.085737][  T290] CR2: 0000000000000170 CR3: 000000010e868000 CR4: 00000000003506b0
[   23.093722][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.101686][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.109644][  T290] Call Trace:
[   23.112923][  T290]  <TASK>
[   23.115840][  T290]  vfs_rmdir+0x25f/0x500
[   23.120072][  T290]  incfs_kill_sb+0x105/0x220
[   23.124647][  T290]  deactivate_locked_super+0xb5/0x120
[   23.130018][  T290]  deactivate_super+0xaf/0xe0
[   23.134687][  T290]  cleanup_mnt+0x45f/0x4e0
[   23.139097][  T290]  ? umount_tree+0xe10/0xe10
[   23.143720][  T290]  __cleanup_mnt+0x19/0x20
[   23.148159][  T290]  task_work_run+0x1db/0x240
[   23.152737][  T290]  ? __cfi_task_work_run+0x10/0x10
[   23.157851][  T290]  ? path_umount+0x351/0xf50
[   23.162431][  T290]  ? __kasan_slab_free+0x11/0x20
[   23.167358][  T290]  ptrace_notify+0x221/0x250
[   23.171941][  T290]  ? __cfi_path_umount+0x10/0x10
[   23.176876][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   23.181979][  T290]  ? user_path_at_empty+0x161/0x1c0
[   23.187169][  T290]  ? __x64_sys_umount+0x125/0x160
[   23.192184][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   23.197547][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   23.203174][  T290]  syscall_exit_work+0x84/0x140
[   23.208015][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   23.214161][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   23.219536][  T290]  do_syscall_64+0x58/0xa0
[   23.223950][  T290]  ? clear_bhb_loop+0x30/0x80
[   23.228624][  T290]  ? clear_bhb_loop+0x30/0x80
[   23.233292][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.239177][  T290] RIP: 0033:0x7fe370c96187
[   23.243588][  T290] 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
[   23.263204][  T290] RSP: 002b:00007fff6551ff38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.271606][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe370c96187
[   23.279562][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6551fff0
[   23.287515][  T290] RBP: 00007fff6551fff0 R08: 0000000000000000 R09: 0000000000000000
[   23.295467][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff65521060
[   23.303424][  T290] R13: 000055558269e7c0 R14: 431bde82d7b634db R15: 00007fff65521080
[   23.311389][  T290]  </TASK>
[   23.314402][  T290] Modules linked in:
[   23.318307][  T290] CR2: 0000000000000170
[   23.322451][  T290] ---[ end trace 0000000000000000 ]---
[   23.327889][  T290] RIP: 0010:ihold+0x26/0x60
[   23.332386][  T290] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 b1 86 ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 e3 f0 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 a1
[   23.351977][  T290] RSP: 0018:ffffc90000e77b78 EFLAGS: 00010246
[   23.358072][  T290] RAX: ffff88810c81bc00 RBX: 0000000000000000 RCX: ffff88810c81bcc0
[   23.366030][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.373992][  T290] RBP: ffffc90000e77b88 R08: dffffc0000000000 R09: fffffbfff0f2ccfd
[   23.381980][  T290] R10: fffffbfff0f2ccfd R11: 1ffffffff0f2ccfc R12: ffff88810e090fac
[   23.389941][  T290] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   23.397903][  T290] FS:  000055558269d480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.406817][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.413405][  T290] CR2: 0000000000000170 CR3: 000000010e868000 CR4: 00000000003506b0
[   23.421378][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.429331][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.437288][  T290] Kernel panic - not syncing: Fatal exception
[   23.443639][  T290] Kernel Offset: disabled
[   23.447967][  T290] Rebooting in 86400 seconds..