./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor329821624 <...> Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts. execve("./syz-executor329821624", ["./syz-executor329821624"], 0x7ffcfbb46350 /* 10 vars */) = 0 brk(NULL) = 0x55556cea8000 brk(0x55556cea8d40) = 0x55556cea8d40 arch_prctl(ARCH_SET_FS, 0x55556cea83c0) = 0 set_tid_address(0x55556cea8690) = 282 set_robust_list(0x55556cea86a0, 24) = 0 rseq(0x55556cea8ce0, 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-executor329821624", 4096) = 27 getrandom("\xe1\x38\xe1\x68\x1c\xf1\x7d\x61", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556cea8d40 brk(0x55556cec9d40) = 0x55556cec9d40 brk(0x55556ceca000) = 0x55556ceca000 mprotect(0x7f3e6814d000, 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.96QEi8", 0700) = 0 chmod("./syzkaller.96QEi8", 0777) = 0 chdir("./syzkaller.96QEi8") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 48.753853][ T24] audit: type=1400 audit(1753562897.020:64): avc: denied { execmem } for pid=282 comm="syz-executor329" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 48.775029][ T24] audit: type=1400 audit(1753562897.030:65): avc: denied { read write } for pid=282 comm="syz-executor329" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 284 attached , child_tidptr=0x55556cea8690) = 284 [pid 284] set_robust_list(0x55556cea86a0, 24) = 0 [pid 284] chdir("./0") = 0 [pid 284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 284] setpgid(0, 0) = 0 [pid 284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 284] write(3, "1000", 4) = 4 [pid 284] close(3) = 0 [pid 284] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 284] write(1, "executing program\n", 18) = 18 [pid 284] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 284] rt_sigaction(SIGRT_1, {sa_handler=0x7f3e680ec0f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3e680dd2a0}, NULL, 8) = 0 [pid 284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3e68062000 [pid 284] mprotect(0x7f3e68063000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3e68082990, parent_tid=0x7f3e68082990, exit_signal=0, stack=0x7f3e68062000, stack_size=0x20300, tls=0x7f3e680826c0}./strace-static-x86_64: Process 285 attached => {parent_tid=[285]}, 88) = 285 [pid 284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 284] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 284] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 285] set_robust_list(0x7f3e680829a0, 24) = 0 [pid 285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] memfd_create("syzkaller", 0) = 3 [pid 285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3e5fc62000 [ 48.800472][ T24] audit: type=1400 audit(1753562897.030:66): avc: denied { open } for pid=282 comm="syz-executor329" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 48.824971][ T24] audit: type=1400 audit(1753562897.030:67): avc: denied { ioctl } for pid=282 comm="syz-executor329" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 285] munmap(0x7f3e5fc62000, 138412032) = 0 [pid 285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 285] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 285] close(3) = 0 [pid 285] close(4) = 0 [pid 285] mkdir("./file0", 0777) = 0 [ 49.096538][ T24] audit: type=1400 audit(1753562897.360:68): avc: denied { mounton } for pid=284 comm="syz-executor329" path="/root/syzkaller.96QEi8/0/file0" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 49.126004][ T285] F2FS-fs (loop0): invalid crc value [ 49.134493][ T285] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 285] mount("/dev/loop0", "./file0", "f2fs", 0, "nodiscard,background_gc=sync,background_gc=on,nouser_xattr,noquota,disable_roll_forward,gc_merge,nou"...) = 0 [pid 285] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 285] chdir("./file0") = 0 [pid 285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 285] ioctl(4, LOOP_CLR_FD) = 0 [pid 285] close(4) = 0 [pid 285] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... futex resumed>) = 0 [pid 285] <... futex resumed>) = 1 [pid 284] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 285] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000 [pid 284] <... futex resumed>) = 0 [ 49.203944][ T285] F2FS-fs (loop0): Start checkpoint disabled! [ 49.211818][ T285] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6 [ 49.220166][ T24] audit: type=1400 audit(1753562897.480:69): avc: denied { mount } for pid=284 comm="syz-executor329" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 284] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... openat resumed>) = 4 [pid 285] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] futex(0x7f3e681536c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] <... futex resumed>) = 0 [pid 284] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 284] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... futex resumed>) = 0 [pid 285] ioctl(4, F2FS_IOC_SET_PIN_FILE, 0x200000000180) = 0 [pid 285] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... futex resumed>) = 0 [pid 284] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 284] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... futex resumed>) = 1 [ 49.244206][ T24] audit: type=1400 audit(1753562897.510:70): avc: denied { write } for pid=284 comm="syz-executor329" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 49.266674][ T24] audit: type=1400 audit(1753562897.520:71): avc: denied { add_name } for pid=284 comm="syz-executor329" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [pid 285] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x2000000000c0 [pid 284] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 284] futex(0x7f3e681536dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3e68041000 [pid 284] mprotect(0x7f3e68042000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 284] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3e68061990, parent_tid=0x7f3e68061990, exit_signal=0, stack=0x7f3e68041000, stack_size=0x20300, tls=0x7f3e680616c0} => {parent_tid=[289]}, 88) = 289 [pid 284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 284] futex(0x7f3e681536d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 284] futex(0x7f3e681536dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 289 attached [pid 289] set_robust_list(0x7f3e680619a0, 24) = 0 [pid 289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 289] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 289] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument) [pid 289] futex(0x7f3e681536dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 284] <... futex resumed>) = 0 [pid 289] <... futex resumed>) = 1 [pid 289] futex(0x7f3e681536d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 285] <... ioctl resumed>) = -1 ENOSPC (No space left on device) [pid 285] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 285] futex(0x7f3e681536c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 284] exit_group(0) = ? [pid 285] <... futex resumed>) = ? [pid 285] +++ exited with 0 +++ [pid 289] <... futex resumed>) = ? [pid 289] +++ exited with 0 +++ [pid 284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=284, si_uid=0, si_status=0, si_utime=2, si_stime=32} --- [ 49.288278][ T24] audit: type=1400 audit(1753562897.520:72): avc: denied { create } for pid=284 comm="syz-executor329" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.309101][ T24] audit: type=1400 audit(1753562897.520:73): avc: denied { write open } for pid=284 comm="syz-executor329" path="/root/syzkaller.96QEi8/0/file0/file0" dev="loop0" ino=10 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.338126][ T289] F2FS-fs (loop0): switch discard_unit option is not allowed restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55556cea9730 /* 4 entries */, 32768) = 112 [ 49.388744][ T7] attempt to access beyond end of device [ 49.388744][ T7] loop0: rw=2049, want=45104, limit=40427 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55556ceb1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55556ceb1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 getdents64(3, 0x55556cea9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556cea8690) = 290 ./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x55556cea86a0, 24) = 0 [pid 290] chdir("./1") = 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] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] rt_sigaction(SIGRT_1, {sa_handler=0x7f3e680ec0f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3e680dd2a0}, NULL, 8) = 0 [pid 290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3e68062000 [pid 290] mprotect(0x7f3e68063000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3e68082990, parent_tid=0x7f3e68082990, exit_signal=0, stack=0x7f3e68062000, stack_size=0x20300, tls=0x7f3e680826c0} => {parent_tid=[291]}, 88) = 291 ./strace-static-x86_64: Process 291 attached [pid 290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 290] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 291] set_robust_list(0x7f3e680829a0, 24) = 0 [pid 291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 291] memfd_create("syzkaller", 0) = 3 [pid 291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3e5fc62000 [pid 291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119 [pid 291] munmap(0x7f3e5fc62000, 138412032) = 0 [pid 291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 291] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 291] close(3) = 0 [pid 291] close(4) = 0 [pid 291] mkdir("./file0", 0777) = 0 [ 49.846284][ T291] F2FS-fs (loop0): invalid crc value [ 49.854273][ T291] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 291] mount("/dev/loop0", "./file0", "f2fs", 0, "nodiscard,background_gc=sync,background_gc=on,nouser_xattr,noquota,disable_roll_forward,gc_merge,nou"...) = 0 [pid 291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 291] chdir("./file0") = 0 [pid 291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 291] ioctl(4, LOOP_CLR_FD) = 0 [pid 291] close(4) = 0 [pid 291] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... futex resumed>) = 0 [pid 290] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 291] <... futex resumed>) = 1 [pid 291] openat(AT_FDCWD, "./file0", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_CLOEXEC|FASYNC, 000) = 4 [pid 291] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... futex resumed>) = 0 [pid 290] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 291] <... futex resumed>) = 1 [pid 291] ioctl(4, F2FS_IOC_SET_PIN_FILE, 0x200000000180) = 0 [pid 291] futex(0x7f3e681536cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... futex resumed>) = 0 [pid 290] futex(0x7f3e681536c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 291] <... futex resumed>) = 1 [ 49.923784][ T291] F2FS-fs (loop0): Start checkpoint disabled! [ 49.931568][ T291] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6 [pid 291] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x2000000000c0 [pid 290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 290] futex(0x7f3e681536cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 290] futex(0x7f3e681536dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3e68041000 [pid 290] mprotect(0x7f3e68042000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3e68061990, parent_tid=0x7f3e68061990, exit_signal=0, stack=0x7f3e68041000, stack_size=0x20300, tls=0x7f3e680616c0} => {parent_tid=[295]}, 88) = 295 [pid 290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 290] futex(0x7f3e681536d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 290] futex(0x7f3e681536dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7f3e680619a0, 24) = 0 [pid 295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 295] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 295] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument) [pid 295] futex(0x7f3e681536dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 290] <... futex resumed>) = 0 [pid 295] <... futex resumed>) = 1 [ 50.007956][ T295] F2FS-fs (loop0): switch discard_unit option is not allowed [ 50.008077][ T291] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 50.027504][ T291] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 50.036233][ T291] CPU: 0 PID: 291 Comm: syz-executor329 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 50.046674][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 50.057798][ T291] RIP: 0010:update_sit_entry+0x58e/0xf50 [ 50.064095][ T291] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 20 17 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b [ 50.084792][ T291] RSP: 0018:ffffc90000bf7350 EFLAGS: 00010202 [ 50.091153][ T291] RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000000 [ 50.099742][ T291] RDX: ffff88811f3113c0 RSI: 0000000000000000 RDI: 0000000000000000 [pid 295] futex(0x7f3e681536d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 290] exit_group(0 [pid 295] <... futex resumed>) = ? [pid 290] <... exit_group resumed>) = ? [pid 295] +++ exited with 0 +++ [ 50.108062][ T291] RBP: ffffc90000bf73d0 R08: ffff88811f3113c0 R09: 0000000000000003 [ 50.116981][ T291] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000 [ 50.125709][ T291] R13: ffff88810a78f190 R14: ffff888106dd40c0 R15: ffff888106dd4000 [ 50.133949][ T291] FS: 00007f3e680826c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.143522][ T291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.150307][ T291] CR2: 00007fc975428000 CR3: 000000010678b000 CR4: 00000000003506b0 [ 50.158750][ T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.166882][ T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.175586][ T291] Call Trace: [ 50.179085][ T291] f2fs_allocate_data_block+0x156b/0x3a10 [ 50.185094][ T291] ? _raw_spin_unlock+0x4d/0x70 [ 50.190125][ T291] ? f2fs_inode_dirtied+0x26b/0x2a0 [ 50.195969][ T291] ? f2fs_io_type_to_rw_hint+0x1e0/0x1e0 [ 50.201671][ T291] ? f2fs_mark_inode_dirty_sync+0x110/0x140 [ 50.207693][ T291] ? inc_valid_block_count+0x562/0xa90 [ 50.213558][ T291] __allocate_data_block+0x52a/0x980 [ 50.218901][ T291] ? f2fs_map_blocks+0x35c0/0x35c0 [ 50.224065][ T291] ? f2fs_mark_inode_dirty_sync+0x110/0x140 [ 50.230033][ T291] f2fs_map_blocks+0xdc8/0x35c0 [ 50.236359][ T291] ? f2fs_do_map_lock+0x290/0x290 [ 50.241612][ T291] ? __kasan_check_write+0x14/0x20 [ 50.246858][ T291] ? down_read_trylock+0x100/0x150 [ 50.252867][ T291] expand_inode_data+0x5d7/0x930 [ 50.257851][ T291] ? f2fs_insert_range+0x5b0/0x5b0 [ 50.263280][ T291] ? inode_dio_wait+0x226/0x290 [ 50.268210][ T291] ? file_update_time+0x2c6/0x400 [ 50.273797][ T291] ? inode_owner_or_capable+0x140/0x140 [ 50.279617][ T291] f2fs_fallocate+0x42b/0x7e0 [ 50.284420][ T291] vfs_fallocate+0x4b4/0x590 [ 50.289146][ T291] do_vfs_ioctl+0x12e3/0x1510 [ 50.293873][ T291] ? __ia32_compat_sys_ioctl+0x7b0/0x7b0 [ 50.299792][ T291] ? has_cap_mac_admin+0x330/0x330 [ 50.305559][ T291] ? _raw_spin_lock_irq+0x8f/0xe0 [ 50.311238][ T291] ? __kasan_check_write+0x14/0x20 [ 50.316545][ T291] ? _raw_spin_lock_irq+0x8f/0xe0 [ 50.321934][ T291] ? selinux_file_ioctl+0x377/0x480 [ 50.327402][ T291] ? selinux_file_alloc_security+0x120/0x120 [ 50.334116][ T291] ? __fget_files+0x2c4/0x320 [ 50.338943][ T291] ? security_file_ioctl+0x84/0xa0 [ 50.344399][ T291] __se_sys_ioctl+0x9f/0x1a0 [ 50.349274][ T291] __x64_sys_ioctl+0x7b/0x90 [ 50.354080][ T291] do_syscall_64+0x31/0x40 [ 50.358872][ T291] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 50.364999][ T291] RIP: 0033:0x7f3e680c5cd9 [ 50.369545][ T291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 [ 50.390796][ T291] RSP: 002b:00007f3e68082218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.399472][ T291] RAX: ffffffffffffffda RBX: 00007f3e681536c8 RCX: 00007f3e680c5cd9 [ 50.407874][ T291] RDX: 00002000000000c0 RSI: 0000000040305828 RDI: 0000000000000004 [ 50.416113][ T291] RBP: 00007f3e681536c0 R08: 0000000000000000 R09: 0000000000000000 [ 50.424434][ T291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e6811f6e8 [ 50.432455][ T291] R13: 0000200000000000 R14: 0000200000000380 R15: 0000200000000f40 [ 50.440937][ T291] Modules linked in: [ 50.445410][ T291] ---[ end trace 0f286159df7e25c1 ]--- [ 50.451080][ T291] RIP: 0010:update_sit_entry+0x58e/0xf50 [ 50.456952][ T291] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 20 17 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b [ 50.476760][ T291] RSP: 0018:ffffc90000bf7350 EFLAGS: 00010202 [ 50.483098][ T291] RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000000 [ 50.491256][ T291] RDX: ffff88811f3113c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 50.499731][ T291] RBP: ffffc90000bf73d0 R08: ffff88811f3113c0 R09: 0000000000000003 [ 50.507913][ T291] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000 [ 50.516473][ T291] R13: ffff88810a78f190 R14: ffff888106dd40c0 R15: ffff888106dd4000 [ 50.524834][ T291] FS: 00007f3e680826c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.534469][ T291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.541265][ T291] CR2: 00007fc975428000 CR3: 000000010678b000 CR4: 00000000003506b0 [ 50.549620][ T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.557816][ T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.566156][ T291] Kernel panic - not syncing: Fatal exception [ 50.572749][ T291] Kernel Offset: disabled [ 50.577124][ T291] Rebooting in 86400 seconds..