./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor515999067 <...> Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts. execve("./syz-executor515999067", ["./syz-executor515999067"], 0x7ffec2e4a600 /* 10 vars */) = 0 brk(NULL) = 0x555589dd1000 brk(0x555589dd1d40) = 0x555589dd1d40 arch_prctl(ARCH_SET_FS, 0x555589dd13c0) = 0 set_tid_address(0x555589dd1690) = 5817 set_robust_list(0x555589dd16a0, 24) = 0 rseq(0x555589dd1ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor515999067", 4096) = 27 getrandom("\xba\xc0\xad\xd8\x59\xee\x73\xf2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555589dd1d40 brk(0x555589df2d40) = 0x555589df2d40 brk(0x555589df3000) = 0x555589df3000 mprotect(0x7fb22dfe5000, 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 openat(AT_FDCWD, "/proc/self/make-it-fail", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 [ 55.429972][ T30] audit: type=1400 audit(1742748509.778:88): avc: denied { execmem } for pid=5817 comm="syz-executor515" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5818 attached , child_tidptr=0x555589dd1690) = 5818 [pid 5818] set_robust_list(0x555589dd16a0, 24) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] setpgid(0, 0) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1000", 4) = 4 [pid 5818] close(3) = 0 executing program [pid 5818] write(1, "executing program\n", 18) = 18 [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] rt_sigaction(SIGRT_1, {sa_handler=0x7fb22df8eb20, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb22df80930}, NULL, 8) = 0 [pid 5818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb22defc000 [pid 5818] mprotect(0x7fb22defd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb22df1c990, parent_tid=0x7fb22df1c990, exit_signal=0, stack=0x7fb22defc000, stack_size=0x20300, tls=0x7fb22df1c6c0}./strace-static-x86_64: Process 5819 attached [pid 5819] rseq(0x7fb22df1cfe0, 0x20, 0, 0x53053053) = 0 [pid 5818] <... clone3 resumed> => {parent_tid=[5819]}, 88) = 5819 [pid 5819] set_robust_list(0x7fb22df1c9a0, 24) = 0 [pid 5819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5819] futex(0x7fb22dfeb3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5818] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5818] <... futex resumed>) = 0 [pid 5819] userfaultfd(UFFD_USER_MODE_ONLY|O_CLOEXEC [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... userfaultfd resumed>) = 3 [pid 5819] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5818] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] ioctl(3, UFFDIO_API, {api=0xaa, features=UFFD_FEATURE_MISSING_SHMEM|UFFD_FEATURE_EVENT_UNMAP [pid 5818] <... futex resumed>) = 0 [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... ioctl resumed> => features=UFFD_FEATURE_PAGEFAULT_FLAG_WP|UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_EVENT_REMAP|UFFD_FEATURE_EVENT_REMOVE|UFFD_FEATURE_MISSING_HUGETLBFS|UFFD_FEATURE_MISSING_SHMEM|UFFD_FEATURE_EVENT_UNMAP|UFFD_FEATURE_SIGBUS|UFFD_FEATURE_THREAD_ID|UFFD_FEATURE_MINOR_HUGETLBFS|UFFD_FEATURE_MINOR_SHMEM|UFFD_FEATURE_EXACT_ADDRESS|0x14000, ioctls=1<<_UFFDIO_REGISTER|1<<_UFFDIO_UNREGISTER|1<<_UFFDIO_API}) = 0 [pid 5819] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5818] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] ioctl(3, UFFDIO_REGISTER, {range={start=0x2000000e2000, len=0xc00000}, mode=UFFDIO_REGISTER_MODE_MISSING [pid 5818] <... futex resumed>) = 0 [pid 5819] <... ioctl resumed>, ioctls=1<<_UFFDIO_WAKE|1<<_UFFDIO_COPY|1<<_UFFDIO_ZEROPAGE|0x120}) = 0 [pid 5819] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5818] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 5819] write(4, "3", 1) = 1 [ 55.642397][ T30] audit: type=1400 audit(1742748509.988:89): avc: denied { create } for pid=5818 comm="syz-executor515" anonclass=[userfaultfd] scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 55.664333][ T30] audit: type=1400 audit(1742748509.988:90): avc: denied { ioctl } for pid=5818 comm="syz-executor515" path="anon_inode:[userfaultfd]" dev="anon_inodefs" ino=4645 ioctlcmd=0xaa3f scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [pid 5819] readv(3, [pid 5818] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5818] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5818] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb22dedb000 [pid 5818] mprotect(0x7fb22dedc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb22defb990, parent_tid=0x7fb22defb990, exit_signal=0, stack=0x7fb22dedb000, stack_size=0x20300, tls=0x7fb22defb6c0}./strace-static-x86_64: Process 5820 attached [pid 5820] rseq(0x7fb22defbfe0, 0x20, 0, 0x53053053) = 0 [pid 5818] <... clone3 resumed> => {parent_tid=[5820]}, 88) = 5820 [pid 5820] set_robust_list(0x7fb22defb9a0, 24) = 0 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5818] futex(0x7fb22dfeb3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] futex(0x7fb22dfeb3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 55.699519][ T5819] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 [ 55.707485][ T5819] audit: out of memory in audit_log_start [pid 5820] close(3) = 0 [pid 5820] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5820] mremap(0x200000638000, 4096, 8192, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000805000 [pid 5818] futex(0x7fb22dfeb3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] futex(0x7fb22dfeb3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] <... mremap resumed>) = 0x200000805000 [pid 5819] <... readv resumed>[{iov_base="\x16\x00\x00\x00\x00\x00\x00\x00\x00\x50\x80\x00\x00\x20\x00\x00\x00\x70\x80\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=201}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], 6) = 32 [pid 5820] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5820] futex(0x7fb22dfeb3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5819] futex(0x7fb22dfeb3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] exit_group(0 [pid 5820] <... futex resumed>) = ? [pid 5819] <... futex resumed>) = ? [pid 5818] <... exit_group resumed>) = ? [pid 5820] +++ exited with 0 +++ [pid 5819] +++ exited with 0 +++ [pid 5818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5818, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached , child_tidptr=0x555589dd1690) = 5821 [pid 5821] set_robust_list(0x555589dd16a0, 24) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5821] setpgid(0, 0) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1000", 4) = 4 [pid 5821] close(3) = 0 executing program [pid 5821] write(1, "executing program\n", 18) = 18 [pid 5821] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] rt_sigaction(SIGRT_1, {sa_handler=0x7fb22df8eb20, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb22df80930}, NULL, 8) = 0 [pid 5821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb22defc000 [pid 5821] mprotect(0x7fb22defd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb22df1c990, parent_tid=0x7fb22df1c990, exit_signal=0, stack=0x7fb22defc000, stack_size=0x20300, tls=0x7fb22df1c6c0}./strace-static-x86_64: Process 5822 attached [pid 5822] rseq(0x7fb22df1cfe0, 0x20, 0, 0x53053053) = 0 [pid 5821] <... clone3 resumed> => {parent_tid=[5822]}, 88) = 5822 [pid 5822] set_robust_list(0x7fb22df1c9a0, 24 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5821] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] userfaultfd(UFFD_USER_MODE_ONLY|O_CLOEXEC) = 3 [pid 5822] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5822] futex(0x7fb22dfeb3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] <... futex resumed>) = 0 [pid 5822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] ioctl(3, UFFDIO_API, {api=0xaa, features=UFFD_FEATURE_MISSING_SHMEM|UFFD_FEATURE_EVENT_UNMAP [pid 5821] <... futex resumed>) = 0 [pid 5822] <... ioctl resumed> => features=UFFD_FEATURE_PAGEFAULT_FLAG_WP|UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_EVENT_REMAP|UFFD_FEATURE_EVENT_REMOVE|UFFD_FEATURE_MISSING_HUGETLBFS|UFFD_FEATURE_MISSING_SHMEM|UFFD_FEATURE_EVENT_UNMAP|UFFD_FEATURE_SIGBUS|UFFD_FEATURE_THREAD_ID|UFFD_FEATURE_MINOR_HUGETLBFS|UFFD_FEATURE_MINOR_SHMEM|UFFD_FEATURE_EXACT_ADDRESS|0x14000, ioctls=1<<_UFFDIO_REGISTER|1<<_UFFDIO_UNREGISTER|1<<_UFFDIO_API}) = 0 [pid 5821] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5821] <... futex resumed>) = 0 [pid 5822] ioctl(3, UFFDIO_REGISTER, {range={start=0x2000000e2000, len=0xc00000}, mode=UFFDIO_REGISTER_MODE_MISSING [pid 5821] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... ioctl resumed>, ioctls=1<<_UFFDIO_WAKE|1<<_UFFDIO_COPY|1<<_UFFDIO_ZEROPAGE|0x120}) = 0 [pid 5821] <... futex resumed>) = 0 [pid 5822] futex(0x7fb22dfeb3cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] <... futex resumed>) = 0 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] futex(0x7fb22dfeb3c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fb22dfeb3c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5821] futex(0x7fb22dfeb3cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] <... openat resumed>) = 4 [pid 5822] write(4, "3", 1) = 1 [pid 5822] readv(3, [pid 5821] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5821] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb22dedb000 [pid 5821] mprotect(0x7fb22dedc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5821] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb22defb990, parent_tid=0x7fb22defb990, exit_signal=0, stack=0x7fb22dedb000, stack_size=0x20300, tls=0x7fb22defb6c0}./strace-static-x86_64: Process 5823 attached [pid 5823] rseq(0x7fb22defbfe0, 0x20, 0, 0x53053053) = 0 [pid 5823] set_robust_list(0x7fb22defb9a0, 24) = 0 [pid 5821] <... clone3 resumed> => {parent_tid=[5823]}, 88) = 5823 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5823] futex(0x7fb22dfeb3d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5821] futex(0x7fb22dfeb3d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... futex resumed>) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5823] close(3 [pid 5821] futex(0x7fb22dfeb3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... close resumed>) = 0 [pid 5823] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5821] <... futex resumed>) = 0 [pid 5823] mremap(0x200000638000, 4096, 8192, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000805000 [pid 5821] futex(0x7fb22dfeb3d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5821] futex(0x7fb22dfeb3dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... mremap resumed>) = 0x200000805000 [pid 5823] futex(0x7fb22dfeb3dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5821] <... futex resumed>) = 0 [ 56.067058][ T5822] FAULT_INJECTION: forcing a failure. [ 56.067058][ T5822] name failslab, interval 1, probability 0, space 0, times 0 [ 56.080723][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor515 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0 [ 56.080739][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 56.080745][ T5822] Call Trace: [ 56.080749][ T5822] [ 56.080753][ T5822] dump_stack_lvl+0x16c/0x1f0 [ 56.080785][ T5822] should_fail_ex+0x50a/0x650 [ 56.080807][ T5822] ? fs_reclaim_acquire+0xae/0x150 [ 56.080824][ T5822] should_failslab+0xc2/0x120 [ 56.080836][ T5822] kmem_cache_alloc_noprof+0x6e/0x3d0 [ 56.080848][ T5822] ? mas_alloc_nodes+0x18b/0x8b0 [ 56.080863][ T5822] mas_alloc_nodes+0x18b/0x8b0 [ 56.080878][ T5822] mas_node_count_gfp+0x105/0x130 [ 56.080893][ T5822] mas_preallocate+0x53f/0xce0 [ 56.080918][ T5822] ? mark_held_locks+0x9f/0xe0 [ 56.080942][ T5822] ? __pfx_mas_preallocate+0x10/0x10 [ 56.080966][ T5822] ? lockdep_hardirqs_on+0x7c/0x110 [ 56.080991][ T5822] ? __asan_memset+0x23/0x50 [ 56.081009][ T5822] commit_merge+0x61d/0xec0 [ 56.081022][ T5822] ? __pfx_commit_merge+0x10/0x10 [ 56.081035][ T5822] ? dup_anon_vma.constprop.0+0x74/0x330 [ 56.081047][ T5822] vma_merge_existing_range+0xedf/0x2070 [ 56.081061][ T5822] ? __pfx_vma_merge_existing_range+0x10/0x10 [ 56.081076][ T5822] vma_modify.constprop.0+0x87/0x410 [ 56.081088][ T5822] vma_modify_flags_uffd+0x241/0x2e0 [ 56.081100][ T5822] ? __pfx_vma_modify_flags_uffd+0x10/0x10 [ 56.081120][ T5822] userfaultfd_clear_vma+0x91/0x130 [ 56.081136][ T5822] userfaultfd_release_all+0x2ae/0x4c0 [ 56.081151][ T5822] ? __pfx_userfaultfd_release_all+0x10/0x10 [ 56.081171][ T5822] ? __pfx_userfaultfd_release+0x10/0x10 [ 56.081185][ T5822] userfaultfd_release+0xf4/0x1c0 [ 56.081198][ T5822] ? __pfx_userfaultfd_release+0x10/0x10 [ 56.081210][ T5822] ? __pfx___might_resched+0x10/0x10 [ 56.081227][ T5822] ? __pfx_lock_release+0x10/0x10 [ 56.081240][ T5822] ? evm_file_release+0xd0/0x200 [ 56.081257][ T5822] __fput+0x3ff/0xb70 [ 56.081270][ T5822] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.081284][ T5822] task_work_run+0x14e/0x250 [ 56.081301][ T5822] ? __pfx_task_work_run+0x10/0x10 [ 56.081315][ T5822] ? fput+0x1d3/0x440 [ 56.081328][ T5822] ptrace_notify+0x10e/0x130 [ 56.081345][ T5822] syscall_exit_to_user_mode_prepare+0x126/0x290 [ 56.081364][ T5822] syscall_exit_to_user_mode+0x11/0x2a0 [ 56.081378][ T5822] do_syscall_64+0xda/0x250 [ 56.081394][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.081409][ T5822] RIP: 0033:0x7fb22df69099 [ 56.081418][ T5822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 56.081428][ T5822] RSP: 002b:00007fb22df1c208 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 [ 56.081438][ T5822] RAX: 0000000000000020 RBX: 00007fb22dfeb3c8 RCX: 00007fb22df69099 [ 56.081444][ T5822] RDX: 0000000000000006 RSI: 0000200000000240 RDI: 0000000000000003 [ 56.081451][ T5822] RBP: 00007fb22dfeb3c0 R08: 00007fb22df1bfa7 R09: 0000000000000033 [ 56.081458][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb22dfb8284 [ 56.081464][ T5822] R13: 00007fb22df1c210 R14: 0000000000000001 R15: 0000200000000240 [ 56.081476][ T5822] [ 56.081492][ T5822] BUG: unable to handle page fault for address: fffffffffffffff4 [ 56.395594][ T5822] #PF: supervisor read access in kernel mode [ 56.401541][ T5822] #PF: error_code(0x0000) - not-present page [ 56.407488][ T5822] PGD df84067 P4D df84067 PUD df86067 PMD 0 [ 56.413452][ T5822] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 56.419676][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor515 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0 [ 56.430763][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 56.440791][ T5822] RIP: 0010:vma_merge_existing_range+0x266/0x2070 [ 56.447185][ T5822] Code: e8 0f 47 ac ff 48 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 1c 19 00 00 48 8b 04 24 48 8b 74 24 08 <4c> 8b 38 4c 89 ff e8 4f 41 ac ff 48 8b 44 24 08 49 39 c7 0f 83 db [ 56.466766][ T5822] RSP: 0018:ffffc900034d7950 EFLAGS: 00010246 [ 56.472803][ T5822] RAX: fffffffffffffff4 RBX: ffffc900034d7ab0 RCX: ffffffff820db0e5 [ 56.480750][ T5822] RDX: 1ffffffffffffffe RSI: 0000200000807000 RDI: 0000000000000005 [ 56.488695][ T5822] RBP: 0000200000ce2000 R08: 0000000000000005 R09: 0000000000000000 [ 56.496637][ T5822] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 [ 56.504582][ T5822] R13: ffffc900034d7ad0 R14: ffff8880349961f0 R15: ffff8880122a6e00 [ 56.512526][ T5822] FS: 00007fb22df1c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 56.521429][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.527985][ T5822] CR2: fffffffffffffff4 CR3: 000000007d69e000 CR4: 00000000003526f0 [ 56.535931][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.543874][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.551829][ T5822] Call Trace: [ 56.555097][ T5822] [ 56.558006][ T5822] ? __die+0x1e/0x60 [ 56.561890][ T5822] ? page_fault_oops+0x3b6/0xb90 [ 56.566813][ T5822] ? __pfx_page_fault_oops+0x10/0x10 [ 56.572077][ T5822] ? __pfx_lock_release+0x10/0x10 [ 56.577079][ T5822] ? trace_lock_acquire+0x14e/0x1f0 [ 56.582264][ T5822] ? is_prefetch.constprop.0+0x9d/0x520 [ 56.587786][ T5822] ? lock_acquire+0x2f/0xb0 [ 56.592270][ T5822] ? search_bpf_extables+0x36/0x320 [ 56.597455][ T5822] ? bpf_ksym_find+0x127/0x1c0 [ 56.602193][ T5822] ? __pfx_is_prefetch.constprop.0+0x10/0x10 [ 56.608150][ T5822] ? fixup_exception+0x10c/0xaf0 [ 56.613067][ T5822] ? kernelmode_fixup_or_oops.constprop.0+0xb8/0xe0 [ 56.619658][ T5822] ? __bad_area_nosemaphore+0x390/0x6a0 [ 56.625202][ T5822] ? spurious_kernel_fault+0x234/0x3a0 [ 56.630638][ T5822] ? do_kern_addr_fault+0x5b/0x80 [ 56.635640][ T5822] ? exc_page_fault+0xb1/0xc0 [ 56.640293][ T5822] ? asm_exc_page_fault+0x26/0x30 [ 56.645294][ T5822] ? vma_merge_existing_range+0x9c5/0x2070 [ 56.651073][ T5822] ? vma_merge_existing_range+0x266/0x2070 [ 56.656851][ T5822] ? __pfx_vma_merge_existing_range+0x10/0x10 [ 56.662892][ T5822] vma_modify.constprop.0+0x87/0x410 [ 56.668149][ T5822] vma_modify_flags_uffd+0x241/0x2e0 [ 56.673405][ T5822] ? __pfx_vma_modify_flags_uffd+0x10/0x10 [ 56.679186][ T5822] userfaultfd_clear_vma+0x91/0x130 [ 56.684370][ T5822] userfaultfd_release_all+0x2ae/0x4c0 [ 56.689815][ T5822] ? __pfx_userfaultfd_release_all+0x10/0x10 [ 56.695773][ T5822] ? __pfx_userfaultfd_release+0x10/0x10 [ 56.701380][ T5822] userfaultfd_release+0xf4/0x1c0 [ 56.706377][ T5822] ? __pfx_userfaultfd_release+0x10/0x10 [ 56.711990][ T5822] ? __pfx___might_resched+0x10/0x10 [ 56.717272][ T5822] ? __pfx_lock_release+0x10/0x10 [ 56.722270][ T5822] ? evm_file_release+0xd0/0x200 [ 56.727182][ T5822] __fput+0x3ff/0xb70 [ 56.731137][ T5822] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.736308][ T5822] task_work_run+0x14e/0x250 [ 56.740874][ T5822] ? __pfx_task_work_run+0x10/0x10 [ 56.745969][ T5822] ? fput+0x1d3/0x440 [ 56.749925][ T5822] ptrace_notify+0x10e/0x130 [ 56.754500][ T5822] syscall_exit_to_user_mode_prepare+0x126/0x290 [ 56.760804][ T5822] syscall_exit_to_user_mode+0x11/0x2a0 [ 56.766328][ T5822] do_syscall_64+0xda/0x250 [ 56.770820][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 56.776688][ T5822] RIP: 0033:0x7fb22df69099 [ 56.781073][ T5822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 56.800661][ T5822] RSP: 002b:00007fb22df1c208 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 [ 56.809056][ T5822] RAX: 0000000000000020 RBX: 00007fb22dfeb3c8 RCX: 00007fb22df69099 [ 56.816998][ T5822] RDX: 0000000000000006 RSI: 0000200000000240 RDI: 0000000000000003 [ 56.824964][ T5822] RBP: 00007fb22dfeb3c0 R08: 00007fb22df1bfa7 R09: 0000000000000033 [ 56.832929][ T5822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb22dfb8284 [ 56.840878][ T5822] R13: 00007fb22df1c210 R14: 0000000000000001 R15: 0000200000000240 [ 56.848824][ T5822] [ 56.851815][ T5822] Modules linked in: [ 56.855680][ T5822] CR2: fffffffffffffff4 [ 56.859801][ T5822] ---[ end trace 0000000000000000 ]--- [ 56.865233][ T5822] RIP: 0010:vma_merge_existing_range+0x266/0x2070 [ 56.871628][ T5822] Code: e8 0f 47 ac ff 48 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 1c 19 00 00 48 8b 04 24 48 8b 74 24 08 <4c> 8b 38 4c 89 ff e8 4f 41 ac ff 48 8b 44 24 08 49 39 c7 0f 83 db [ 56.891208][ T5822] RSP: 0018:ffffc900034d7950 EFLAGS: 00010246 [ 56.897245][ T5822] RAX: fffffffffffffff4 RBX: ffffc900034d7ab0 RCX: ffffffff820db0e5 [ 56.905188][ T5822] RDX: 1ffffffffffffffe RSI: 0000200000807000 RDI: 0000000000000005 [ 56.913134][ T5822] RBP: 0000200000ce2000 R08: 0000000000000005 R09: 0000000000000000 [ 56.921100][ T5822] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 [ 56.929063][ T5822] R13: ffffc900034d7ad0 R14: ffff8880349961f0 R15: ffff8880122a6e00 [ 56.937008][ T5822] FS: 00007fb22df1c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 56.945912][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.952468][ T5822] CR2: fffffffffffffff4 CR3: 000000007d69e000 CR4: 00000000003526f0 [ 56.960419][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.968371][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.976320][ T5822] Kernel panic - not syncing: Fatal exception [ 56.982581][ T5822] Kernel Offset: disabled [ 56.986880][ T5822] Rebooting in 86400 seconds..