./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2495645690 <...> Warning: Permanently added '10.128.10.35' (ED25519) to the list of known hosts. execve("./syz-executor2495645690", ["./syz-executor2495645690"], 0x7fff7a17bea0 /* 10 vars */) = 0 brk(NULL) = 0x555574163000 brk(0x555574163d00) = 0x555574163d00 arch_prctl(ARCH_SET_FS, 0x555574163380) = 0 set_tid_address(0x555574163650) = 5856 set_robust_list(0x555574163660, 24) = 0 rseq(0x555574163ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2495645690", 4096) = 28 getrandom("\x70\xac\xfa\xba\x94\x5e\x8f\x5d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555574163d00 brk(0x555574184d00) = 0x555574184d00 brk(0x555574185000) = 0x555574185000 mprotect(0x7ff1d0490000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached , child_tidptr=0x555574163650) = 5857 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] set_robust_list(0x555574163660, 24) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555574163650) = 5858 ./strace-static-x86_64: Process 5858 attached [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] set_robust_list(0x555574163660, 24 [pid 5856] <... clone resumed>, child_tidptr=0x555574163650) = 5859 ./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5859 attached [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] set_robust_list(0x555574163660, 24 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... clone resumed>, child_tidptr=0x555574163650) = 5860 [pid 5860] set_robust_list(0x555574163660, 24 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5856] <... clone resumed>, child_tidptr=0x555574163650) = 5861 ./strace-static-x86_64: Process 5862 attached ./strace-static-x86_64: Process 5861 attached [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] set_robust_list(0x555574163660, 24 [pid 5862] set_robust_list(0x555574163660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5864 attached ./strace-static-x86_64: Process 5863 attached [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... prctl resumed>) = 0 [pid 5858] <... clone resumed>, child_tidptr=0x555574163650) = 5862 [pid 5862] <... prctl resumed>) = 0 [pid 5861] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] setpgid(0, 0 [pid 5862] setpgid(0, 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5864] set_robust_list(0x555574163660, 24 [pid 5862] <... setpgid resumed>) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... clone resumed>, child_tidptr=0x555574163650) = 5863 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] <... openat resumed>) = 3 [pid 5863] set_robust_list(0x555574163660, 24./strace-static-x86_64: Process 5865 attached [pid 5864] <... prctl resumed>) = 0 [pid 5865] set_robust_list(0x555574163660, 24 [pid 5864] setpgid(0, 0 [pid 5862] write(3, "1000", 4 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] <... setpgid resumed>) = 0 [pid 5862] <... write resumed>) = 4 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] close(3 [pid 5865] <... prctl resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5865] setpgid(0, 0 [pid 5864] <... openat resumed>) = 3 [pid 5862] write(1, "executing program\n", 18executing program [pid 5863] <... set_robust_list resumed>) = 0 [pid 5861] <... clone resumed>, child_tidptr=0x555574163650) = 5865 [pid 5860] <... openat resumed>) = 3 [pid 5859] <... clone resumed>, child_tidptr=0x555574163650) = 5864 [pid 5865] <... setpgid resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] <... write resumed>) = 18 [pid 5860] write(3, "1000", 4 [pid 5865] <... openat resumed>) = 3 [pid 5864] write(3, "1000", 4 [pid 5862] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5860] <... write resumed>) = 4 [pid 5864] <... write resumed>) = 4 executing program [pid 5862] <... openat resumed>) = 3 [pid 5860] close(3 [pid 5865] write(3, "1000", 4 [pid 5864] close(3 [pid 5860] <... close resumed>) = 0 [pid 5865] <... write resumed>) = 4 [pid 5860] write(1, "executing program\n", 18 [pid 5865] close(3 [pid 5864] <... close resumed>) = 0 [pid 5862] dup(3 [pid 5860] <... write resumed>) = 18 [pid 5865] <... close resumed>) = 0 executing program [pid 5864] write(1, "executing program\n", 18 executing program [pid 5862] <... dup resumed>) = 4 [pid 5865] write(1, "executing program\n", 18 [pid 5864] <... write resumed>) = 18 [pid 5862] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872./strace-static-x86_64: Process 5866 attached [pid 5865] <... write resumed>) = 18 [pid 5864] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5860] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5866] set_robust_list(0x555574163660, 24 [pid 5865] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5864] <... openat resumed>) = 3 [pid 5863] <... clone resumed>, child_tidptr=0x555574163650) = 5866 [pid 5860] <... openat resumed>) = 3 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] dup(3 [pid 5866] <... prctl resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] dup(3 [pid 5860] <... dup resumed>) = 4 [pid 5865] dup(3 [pid 5864] <... dup resumed>) = 4 [pid 5860] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5866] setpgid(0, 0 [pid 5865] <... dup resumed>) = 4 [pid 5864] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5866] <... setpgid resumed>) = 0 [pid 5865] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 executing program [pid 5866] write(1, "executing program\n", 18) = 18 [pid 5866] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5866] dup(3) = 4 [pid 5866] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5857] kill(-5860, SIGKILL) = 0 [pid 5857] kill(5860, SIGKILL) = 0 [pid 5859] kill(-5864, SIGKILL [pid 5858] kill(-5862, SIGKILL [pid 5861] kill(-5865, SIGKILL [pid 5858] <... kill resumed>) = 0 [pid 5861] <... kill resumed>) = 0 [pid 5859] <... kill resumed>) = 0 [pid 5858] kill(5862, SIGKILL [pid 5861] kill(5865, SIGKILL [pid 5859] kill(5864, SIGKILL [pid 5858] <... kill resumed>) = 0 [pid 5861] <... kill resumed>) = 0 [pid 5859] <... kill resumed>) = 0 [pid 5863] kill(-5866, SIGKILL) = 0 [pid 5863] kill(5866, SIGKILL) = 0 [pid 5861] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5861] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5861] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5863] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5861] getdents64(3, [pid 5859] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5861] <... getdents64 resumed>0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5861] close(3 [pid 5859] <... openat resumed>) = 3 [pid 5861] <... close resumed>) = 0 [pid 5859] newfstatat(3, "", [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(3, [pid 5859] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... getdents64 resumed>0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5859] getdents64(3, [pid 5863] close(3 [pid 5859] <... getdents64 resumed>0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5863] <... close resumed>) = 0 [pid 5859] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", [pid 5858] <... getdents64 resumed>0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3 [pid 5857] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5862] <... fallocate resumed>) = ? [pid 5862] +++ killed by SIGKILL +++ [pid 5858] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5862, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3408 /* 34.08 s */} --- [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5867] set_robust_list(0x555574163660, 24 [pid 5858] <... clone resumed>, child_tidptr=0x555574163650) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4executing program ) = 4 [pid 5867] close(3) = 0 [pid 5867] write(1, "executing program\n", 18) = 18 [pid 5867] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5867] dup(3) = 4 [pid 5867] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5858] kill(-5867, SIGKILL) = 0 [pid 5858] kill(5867, SIGKILL) = 0 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5860] <... fallocate resumed>) = ? [pid 5860] +++ killed by SIGKILL +++ [pid 5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5860, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3414 /* 34.14 s */} --- [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached , child_tidptr=0x555574163650) = 5874 [pid 5874] set_robust_list(0x555574163660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4executing program ) = 4 [pid 5874] close(3) = 0 [pid 5874] write(1, "executing program\n", 18) = 18 [pid 5874] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5874] dup(3) = 4 [pid 5874] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5857] kill(-5874, SIGKILL) = 0 [pid 5857] kill(5874, SIGKILL) = 0 [pid 5857] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5857] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5857] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5857] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5857] close(3) = 0 [pid 5864] <... fallocate resumed>) = ? [pid 5864] +++ killed by SIGKILL +++ [pid 5859] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5864, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3430 /* 34.30 s */} --- [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached [pid 5875] set_robust_list(0x555574163660, 24) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x555574163650) = 5875 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1000", 4executing program ) = 4 [pid 5875] close(3) = 0 [pid 5875] write(1, "executing program\n", 18) = 18 [pid 5875] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5875] dup(3) = 4 [pid 5875] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5859] kill(-5875, SIGKILL) = 0 [pid 5859] kill(5875, SIGKILL) = 0 [pid 5859] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5859] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5859] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5859] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5859] close(3) = 0 [pid 5865] <... fallocate resumed>) = ? [pid 5865] +++ killed by SIGKILL +++ [pid 5861] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5865, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3370 /* 33.70 s */} --- [pid 5861] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached , child_tidptr=0x555574163650) = 5878 [pid 5878] set_robust_list(0x555574163660, 24) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 executing program [pid 5878] write(1, "executing program\n", 18) = 18 [pid 5878] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5878] dup(3) = 4 [pid 5878] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5861] kill(-5878, SIGKILL) = 0 [pid 5861] kill(5878, SIGKILL) = 0 [pid 5861] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5861] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5861] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5861] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5861] close(3) = 0 [pid 5866] <... fallocate resumed>) = ? [pid 5866] +++ killed by SIGKILL +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5866, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3371 /* 33.71 s */} --- [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached [pid 5884] set_robust_list(0x555574163660, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... clone resumed>, child_tidptr=0x555574163650) = 5884 [pid 5884] <... openat resumed>) = 3 executing program [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5884] dup(3) = 4 [pid 5884] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 68719951872 [pid 5863] kill(-5884, SIGKILL) = 0 [pid 5863] kill(5884, SIGKILL) = 0 [pid 5863] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x5555741646f0 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(3, 0x5555741646f0 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [ 430.120197][ T30] INFO: task syz-executor249:5874 blocked for more than 143 seconds. [ 430.130207][ T30] Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 430.137906][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.152459][ T30] task:syz-executor249 state:D stack:23280 pid:5874 tgid:5874 ppid:5857 flags:0x00004006 [ 430.163744][ T30] Call Trace: [ 430.167908][ T30] [ 430.171011][ T30] __schedule+0x1850/0x4c30 [ 430.175642][ T30] ? __pfx___schedule+0x10/0x10 [ 430.180646][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.186629][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.193708][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.201101][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 430.206289][ T30] ? schedule+0x90/0x320 [ 430.210713][ T30] schedule+0x14b/0x320 [ 430.215868][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.222358][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 430.228145][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 430.234240][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 430.240544][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 430.245639][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.251807][ T30] down_write+0x1d7/0x220 [ 430.256187][ T30] ? __pfx_down_write+0x10/0x10 [ 430.261222][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.267428][ T30] blkdev_fallocate+0x20e/0x490 [ 430.273444][ T30] vfs_fallocate+0x569/0x6e0 [ 430.279182][ T30] __x64_sys_fallocate+0xbc/0x110 [ 430.285353][ T30] do_syscall_64+0xf3/0x230 [ 430.291108][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.296715][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.303697][ T30] RIP: 0033:0x7ff1d041db29 [ 430.309145][ T30] RSP: 002b:00007ffe226671a8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 430.317773][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1d041db29 [ 430.325888][ T30] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 430.334033][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 430.342147][ T30] R10: 0000001000074000 R11: 0000000000000246 R12: 000000000002a10c [ 430.350291][ T30] R13: 00007ffe226671bc R14: 00007ffe226671d0 R15: 00007ffe226671c0 [ 430.359343][ T30] [ 430.363539][ T30] [ 430.363539][ T30] Showing all locks held in the system: [ 430.381754][ T30] 2 locks held by kworker/u8:1/12: [ 430.386954][ T30] 1 lock held by khungtaskd/30: [ 430.392859][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 430.429841][ T30] 1 lock held by klogd/5194: [ 430.434600][ T30] 2 locks held by getty/5586: [ 430.439315][ T30] #0: ffff888032b080a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.449282][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 430.460546][ T30] 1 lock held by syz-executor249/5867: [ 430.466068][ T30] 1 lock held by syz-executor249/5874: [ 430.472501][ T30] #0: ffff888024a294c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 430.484284][ T30] 1 lock held by syz-executor249/5875: [ 430.489846][ T30] #0: ffff888024a294c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 430.501567][ T30] 1 lock held by syz-executor249/5878: [ 430.507975][ T30] #0: ffff888024a294c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 430.519812][ T30] 1 lock held by syz-executor249/5884: [ 430.525333][ T30] #0: ffff888024a294c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 430.537079][ T30] [ 430.543712][ T30] ============================================= [ 430.543712][ T30] [ 430.552348][ T30] NMI backtrace for cpu 1 [ 430.556728][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 430.567276][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.577377][ T30] Call Trace: [ 430.580691][ T30] [ 430.583663][ T30] dump_stack_lvl+0x241/0x360 [ 430.588395][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.593650][ T30] ? __pfx__printk+0x10/0x10 [ 430.598305][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.603296][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.608811][ T30] ? _printk+0xd5/0x120 [ 430.613032][ T30] ? __pfx__printk+0x10/0x10 [ 430.617678][ T30] ? __wake_up_klogd+0xcc/0x110 [ 430.622574][ T30] ? __pfx__printk+0x10/0x10 [ 430.627219][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 430.632296][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.638328][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.644368][ T30] watchdog+0xff6/0x1040 [ 430.648669][ T30] ? watchdog+0x1ea/0x1040 [ 430.653145][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.657883][ T30] kthread+0x2f0/0x390 [ 430.662005][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.666718][ T30] ? __pfx_kthread+0x10/0x10 [ 430.671331][ T30] ret_from_fork+0x4b/0x80 [ 430.675763][ T30] ? __pfx_kthread+0x10/0x10 [ 430.680372][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.685158][ T30] [ 430.688515][ T30] Sending NMI from CPU 1 to CPUs 0: [ 430.694046][ C0] NMI backtrace for cpu 0 [ 430.694063][ C0] CPU: 0 UID: 0 PID: 5194 Comm: klogd Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 430.694084][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.694095][ C0] RIP: 0010:unwind_next_frame+0x17ab/0x22d0 [ 430.694123][ C0] Code: 00 48 0f bf 03 48 8b 34 24 48 01 c6 49 8d 55 40 4c 89 ef e8 37 0e 00 00 84 c0 0f 84 66 01 00 00 49 bc 00 00 00 00 00 fc ff df <48> 8b 44 24 20 42 0f b6 04 20 84 c0 0f 85 36 08 00 00 48 8b 6c 24 [ 430.694138][ C0] RSP: 0018:ffffc90003b3f050 EFLAGS: 00000202 [ 430.694155][ C0] RAX: 1ffff92000767e01 RBX: ffffffff90b02a60 RCX: 0000000000000000 [ 430.694169][ C0] RDX: dffffc0000000000 RSI: ffffc90003b38000 RDI: ffffc90003b3f458 [ 430.694183][ C0] RBP: dffffc0000000000 R08: ffffc90003b3f458 R09: 0000000000000000 [ 430.694196][ C0] R10: ffffc90003b3f170 R11: fffff52000767e30 R12: dffffc0000000000 [ 430.694210][ C0] R13: ffffc90003b3f120 R14: ffffffff81f75ecf R15: ffffc90003b3f170 [ 430.694224][ C0] FS: 00007f1bfaf09380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 430.694240][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.694253][ C0] CR2: 00007ff1d04940d0 CR3: 000000003551a000 CR4: 00000000003526f0 [ 430.694269][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.694280][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.694291][ C0] Call Trace: [ 430.694297][ C0] [ 430.694305][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.694327][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 430.694354][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.694374][ C0] ? nmi_handle+0x2a/0x5a0 [ 430.694403][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.694420][ C0] ? nmi_handle+0x14f/0x5a0 [ 430.694441][ C0] ? nmi_handle+0x2a/0x5a0 [ 430.694463][ C0] ? unwind_next_frame+0x17ab/0x22d0 [ 430.694483][ C0] ? default_do_nmi+0x63/0x160 [ 430.694504][ C0] ? exc_nmi+0x123/0x1f0 [ 430.694522][ C0] ? end_repeat_nmi+0xf/0x53 [ 430.694538][ C0] ? free_unref_page+0xd3f/0x1010 [ 430.694571][ C0] ? unwind_next_frame+0x17ab/0x22d0 [ 430.694592][ C0] ? unwind_next_frame+0x17ab/0x22d0 [ 430.694613][ C0] ? unwind_next_frame+0x17ab/0x22d0 [ 430.694634][ C0] [ 430.694640][ C0] [ 430.694651][ C0] ? __reset_page_owner+0x76/0x430 [ 430.694672][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 430.694691][ C0] arch_stack_walk+0x11c/0x150 [ 430.694716][ C0] ? free_unref_page+0xd3f/0x1010 [ 430.694745][ C0] stack_trace_save+0x118/0x1d0 [ 430.694764][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 430.694793][ C0] save_stack+0xfb/0x1f0 [ 430.694813][ C0] ? __pfx_save_stack+0x10/0x10 [ 430.694838][ C0] ? page_ext_get+0x20/0x2a0 [ 430.694861][ C0] __reset_page_owner+0x76/0x430 [ 430.694879][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.694900][ C0] free_unref_page+0xd3f/0x1010 [ 430.694932][ C0] __put_partials+0x160/0x1c0 [ 430.694959][ C0] ? put_cpu_partial+0x14c/0x250 [ 430.694978][ C0] put_cpu_partial+0x17c/0x250 [ 430.694995][ C0] ? put_cpu_partial+0x70/0x250 [ 430.695014][ C0] __slab_free+0x290/0x380 [ 430.695034][ C0] ? __phys_addr+0xba/0x170 [ 430.695057][ C0] qlist_free_all+0x9a/0x140 [ 430.695077][ C0] kasan_quarantine_reduce+0x14f/0x170 [ 430.695098][ C0] __kasan_kmalloc+0x23/0xb0 [ 430.695119][ C0] __kmalloc_node_track_caller_noprof+0x28b/0x4c0 [ 430.695145][ C0] ? __alloc_skb+0x1f3/0x440 [ 430.695164][ C0] ? __alloc_skb+0x1f3/0x440 [ 430.695181][ C0] kmalloc_reserve+0x111/0x2a0 [ 430.695201][ C0] __alloc_skb+0x1f3/0x440 [ 430.695219][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.695237][ C0] ? __pfx___alloc_skb+0x10/0x10 [ 430.695260][ C0] alloc_skb_with_frags+0xc3/0x820 [ 430.695288][ C0] sock_alloc_send_pskb+0x91a/0xa60 [ 430.695320][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 430.695346][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.695366][ C0] unix_dgram_sendmsg+0x6d3/0x1f80 [ 430.695396][ C0] ? aa_sk_perm+0x96d/0xab0 [ 430.695426][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 430.695450][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 430.695471][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 430.695491][ C0] __sock_sendmsg+0x221/0x270 [ 430.695518][ C0] __sys_sendto+0x363/0x4c0 [ 430.695539][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 430.695569][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.695591][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.695615][ C0] __x64_sys_sendto+0xde/0x100 [ 430.695635][ C0] do_syscall_64+0xf3/0x230 [ 430.695661][ C0] ? clear_bhb_loop+0x35/0x90 [ 430.695678][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.695705][ C0] RIP: 0033:0x7f1bfb06b9b5 [ 430.695720][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 430.695734][ C0] RSP: 002b:00007ffea6aff7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 430.695752][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1bfb06b9b5 [ 430.695765][ C0] RDX: 0000000000000052 RSI: 0000557ff4df7950 RDI: 0000000000000003 [ 430.695781][ C0] RBP: 0000557ff4df3910 R08: 0000000000000000 R09: 0000000000000000 [ 430.695793][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 430.695804][ C0] R13: 00007f1bfb1f9212 R14: 00007ffea6aff8e8 R15: 0000000000000000 [ 430.695824][ C0] [ 430.695832][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.786 msecs [ 430.713356][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 430.713379][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 430.713408][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.713423][ T30] Call Trace: [ 430.713432][ T30] [ 430.713444][ T30] dump_stack_lvl+0x241/0x360 [ 430.713486][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.713520][ T30] ? __pfx__printk+0x10/0x10 [ 430.713548][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.713584][ T30] ? vscnprintf+0x5d/0x90 [ 430.713614][ T30] panic+0x349/0x880 [ 430.713646][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.713677][ T30] ? __pfx_panic+0x10/0x10 [ 430.713704][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 430.713741][ T30] ? __irq_work_queue_local+0x137/0x410 [ 430.713769][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 430.713797][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.713825][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 430.713856][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 430.713887][ T30] watchdog+0x1035/0x1040 [ 430.713917][ T30] ? watchdog+0x1ea/0x1040 [ 430.713950][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.713978][ T30] kthread+0x2f0/0x390 [ 430.714006][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.714039][ T30] ? __pfx_kthread+0x10/0x10 [ 430.714069][ T30] ret_from_fork+0x4b/0x80 [ 430.714094][ T30] ? __pfx_kthread+0x10/0x10 [ 430.714122][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.714158][ T30] [ 431.386835][ T30] Kernel Offset: disabled [ 431.391185][ T30] Rebooting in 86400 seconds..