ci-upstream-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce/syz-executor3869336121 <...> Warning: Permanently added '10.128.0.71' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce/syz-executor3869336121", ["ci-upstream-kasan-gce/syz-executor3869336121"], 0x7fffe3096550 /* 10 vars */) = 0 brk(NULL) = 0x555565315000 brk(0x555565315d80) = 0x555565315d80 arch_prctl(ARCH_SET_FS, 0x555565315400) = 0 set_tid_address(0x5555653156d0) = 5660 set_robust_list(0x5555653156e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce/syz-executor3869336121", 4096) = 50 getrandom("\x50\xfe\x6b\xe8\xdb\x8f\xf5\x30", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565315d80 brk(0x555565336d80) = 0x555565336d80 brk(0x555565337000) = 0x555565337000 mprotect(0x7f79262d4000, 20480, 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_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555653156d0) = 5661 ci-upstream-kasan-gce/strace-static-x86_64: Process 5661 attached [pid 5660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5661] set_robust_list(0x5555653156e0, 24 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5661] <... set_robust_list resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5660] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-kasan-gce/strace-static-x86_64: Process 5662 attached , [], 8) = 0 [pid 5660] <... clone resumed>, child_tidptr=0x5555653156d0) = 5662 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5662] set_robust_list(0x5555653156e0, 24 [pid 5660] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5660] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... set_robust_list resumed>) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5663 attached [pid 5662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5664 attached [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] set_robust_list(0x5555653156e0, 24 [pid 5663] set_robust_list(0x5555653156e0, 24 [pid 5660] <... clone resumed>, child_tidptr=0x5555653156d0) = 5664 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5661] <... clone resumed>, child_tidptr=0x5555653156d0) = 5663 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5660] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILLci-upstream-kasan-gce/strace-static-x86_64: Process 5665 attached [pid 5664] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5665] set_robust_list(0x5555653156e0, 24 [pid 5664] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] <... prctl resumed>) = 0 [pid 5662] <... clone resumed>, child_tidptr=0x5555653156d0) = 5665 ci-upstream-kasan-gce/strace-static-x86_64: Process 5666 attached [pid 5665] <... set_robust_list resumed>) = 0 [pid 5663] setpgid(0, 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] set_robust_list(0x5555653156e0, 24 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] <... setpgid resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5667 attached [pid 5660] <... clone resumed>, child_tidptr=0x5555653156d0) = 5666 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] set_robust_list(0x5555653156e0, 24 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] <... clone resumed>, child_tidptr=0x5555653156d0) = 5667 [pid 5663] <... openat resumed>) = 3 [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] <... prctl resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] write(3, "1000", 4 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5665] setpgid(0, 0 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] <... write resumed>) = 4 [pid 5660] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5665] <... setpgid resumed>) = 0 [pid 5663] close(3 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] <... close resumed>) = 0 [pid 5663] write(1, "executing program\n", 18) = 18 ci-upstream-kasan-gce/strace-static-x86_64: Process 5668 attached executing program [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci-upstream-kasan-gce/strace-static-x86_64: Process 5669 attached [pid 5660] <... clone resumed>, child_tidptr=0x5555653156d0) = 5668 [pid 5668] set_robust_list(0x5555653156e0, 24 [pid 5667] <... prctl resumed>) = 0 [pid 5663] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] set_robust_list(0x5555653156e0, 24 [pid 5667] setpgid(0, 0 [pid 5665] <... openat resumed>) = 3 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5666] <... clone resumed>, child_tidptr=0x5555653156d0) = 5669 [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] <... setpgid resumed>) = 0 [pid 5665] write(3, "1000", 4 [pid 5663] <... openat resumed>) = 3 [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] <... write resumed>) = 4 [pid 5663] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5667] <... openat resumed>) = 3 [pid 5665] close(3 [pid 5668] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] write(3, "1000", 4 [pid 5665] <... close resumed>) = 0 [pid 5667] <... write resumed>) = 4 [pid 5665] write(1, "executing program\n", 18 [pid 5667] close(3 [pid 5665] <... write resumed>) = 18 [pid 5667] <... close resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5667] write(1, "executing program\n", 18) = 18 executing program executing program [pid 5667] openat(AT_FDCWD, "/dev/nullb0", O_RDWR [pid 5665] <... openat resumed>) = 3 [pid 5667] <... openat resumed>) = 3 [pid 5669] <... prctl resumed>) = 0 [pid 5668] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5665] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5669] setpgid(0, 0) = 0 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5669] <... openat resumed>) = 3 [pid 5669] write(3, "1000", 4) = 4 ci-upstream-kasan-gce/strace-static-x86_64: Process 5670 attached [pid 5669] close(3 [pid 5668] <... clone resumed>, child_tidptr=0x5555653156d0) = 5670 [pid 5669] <... close resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5670] set_robust_list(0x5555653156e0, 24 [pid 5669] write(1, "executing program\n", 18 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] <... write resumed>) = 18 executing program [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5669] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5670] setpgid(0, 0) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5670] write(3, "1000", 4) = 4 [pid 5670] close(3) = 0 executing program [pid 5670] write(1, "executing program\n", 18) = 18 [pid 5670] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5670] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5662] kill(-5665, SIGKILL) = 0 [pid 5661] kill(-5663, SIGKILL) = 0 [pid 5661] kill(5663, SIGKILL) = 0 [pid 5662] kill(5665, SIGKILL) = 0 [pid 5664] kill(-5667, SIGKILL) = 0 [pid 5664] kill(5667, SIGKILL) = 0 [pid 5666] kill(-5669, SIGKILL) = 0 [pid 5666] kill(5669, SIGKILL) = 0 [pid 5668] kill(-5670, SIGKILL) = 0 [pid 5668] kill(5670, SIGKILL) = 0 [pid 5662] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5666] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5664] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5662] <... openat resumed>) = 3 [pid 5666] <... openat resumed>) = 3 [pid 5664] fstat(3 [pid 5662] fstat(3 [pid 5661] <... openat resumed>) = 3 [pid 5666] fstat(3 [pid 5662] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] fstat(3 [pid 5666] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5664] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5666] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5664] getdents64(3 [pid 5662] getdents64(3 [pid 5661] getdents64(3 [pid 5666] getdents64(3 [pid 5664] <... getdents64 resumed>, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5662] <... getdents64 resumed>, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5661] <... getdents64 resumed>, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5666] <... getdents64 resumed>, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5664] getdents64(3 [pid 5662] getdents64(3 [pid 5661] getdents64(3 [pid 5668] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5666] close(3 [pid 5664] <... getdents64 resumed>, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5662] <... getdents64 resumed>, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5661] <... getdents64 resumed>, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5668] <... openat resumed>) = 3 [pid 5666] <... close resumed>) = 0 [pid 5664] close(3 [pid 5661] close(3 [pid 5668] fstat(3 [pid 5662] close(3 [pid 5664] <... close resumed>) = 0 [pid 5662] <... close resumed>) = 0 [pid 5661] <... close resumed>) = 0 [pid 5668] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5668] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5668] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5668] close(3) = 0 [pid 5663] <... fallocate resumed>) = ? [pid 5663] +++ killed by SIGKILL +++ [pid 5661] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5663, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3139 /* 31.39 s */} --- [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5677 attached , child_tidptr=0x5555653156d0) = 5677 [pid 5677] set_robust_list(0x5555653156e0, 24) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5677] setpgid(0, 0) = 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5677] write(3, "1000", 4) = 4 [pid 5677] close(3) = 0 [pid 5677] write(1, "executing program\n", 18) = 18 executing program [pid 5677] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5677] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5661] kill(-5677, SIGKILL) = 0 [pid 5661] kill(5677, SIGKILL) = 0 [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5661] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5661] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5661] close(3) = 0 [pid 5665] <... fallocate resumed>) = ? [pid 5665] +++ killed by SIGKILL +++ [pid 5662] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5665, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3164 /* 31.64 s */} --- [pid 5662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5662] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5684 attached [pid 5684] set_robust_list(0x5555653156e0, 24) = 0 [pid 5684] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] <... clone resumed>, child_tidptr=0x5555653156d0) = 5684 [pid 5684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5684] <... prctl resumed>) = 0 [pid 5684] setpgid(0, 0) = 0 [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5684] write(3, "1000", 4) = 4 [pid 5684] close(3) = 0 [pid 5684] write(1, "executing program\n", 18) = 18 [pid 5684] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 executing program [pid 5684] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5662] kill(-5684, SIGKILL) = 0 [pid 5662] kill(5684, SIGKILL) = 0 [pid 5662] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5662] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5662] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5662] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5662] close(3) = 0 [pid 5667] <... fallocate resumed>) = ? [pid 5667] +++ killed by SIGKILL +++ [pid 5664] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5667, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3188 /* 31.88 s */} --- [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5664] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5689 attached [pid 5689] set_robust_list(0x5555653156e0, 24) = 0 [pid 5664] <... clone resumed>, child_tidptr=0x5555653156d0) = 5689 [pid 5689] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5689] setpgid(0, 0) = 0 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5689] write(3, "1000", 4) = 4 [pid 5689] close(3) = 0 [pid 5689] write(1, "executing program\n", 18) = 18 executing program [pid 5689] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5689] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5664] kill(-5689, SIGKILL) = 0 [pid 5664] kill(5689, SIGKILL) = 0 [pid 5664] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5664] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5664] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5664] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5664] close(3) = 0 [pid 5669] <... fallocate resumed>) = ? [pid 5669] +++ killed by SIGKILL +++ [pid 5666] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5669, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3132 /* 31.32 s */} --- [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce/strace-static-x86_64: Process 5693 attached , child_tidptr=0x5555653156d0) = 5693 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] set_robust_list(0x5555653156e0, 24) = 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5693] setpgid(0, 0) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5693] write(3, "1000", 4) = 4 [pid 5693] close(3) = 0 [pid 5693] write(1, "executing program\n", 18) = 18 executing program [pid 5693] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5693] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5666] kill(-5693, SIGKILL) = 0 [pid 5666] kill(5693, SIGKILL) = 0 [pid 5666] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5666] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5666] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5666] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5666] close(3) = 0 [pid 5670] <... fallocate resumed>) = ? [pid 5670] +++ killed by SIGKILL +++ [pid 5668] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5670, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3219 /* 32.19 s */} --- [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5668] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555653156d0) = 5700 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci-upstream-kasan-gce/strace-static-x86_64: Process 5700 attached [pid 5700] set_robust_list(0x5555653156e0, 24) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5700] setpgid(0, 0) = 0 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5700] write(3, "1000", 4) = 4 [pid 5700] close(3) = 0 executing program [pid 5700] write(1, "executing program\n", 18) = 18 [pid 5700] openat(AT_FDCWD, "/dev/nullb0", O_RDWR) = 3 [pid 5700] fallocate(3, FALLOC_FL_ZERO_RANGE, 8192, 68719984640 [pid 5668] kill(-5700, SIGKILL) = 0 [pid 5668] kill(5700, SIGKILL) = 0 [pid 5668] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5668] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5668] getdents64(3, 0x5555653167a0 /* 2 entries */, 32768) = 48 [pid 5668] getdents64(3, 0x5555653167a0 /* 0 entries */, 32768) = 0 [pid 5668] close(3) = 0 [ 429.845710][ T31] INFO: task syz-executor386:5684 blocked for more than 143 seconds. [ 429.856258][ T31] Not tainted syzkaller #0 [ 429.862489][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.872859][ T31] task:syz-executor386 state:D stack:26448 pid:5684 tgid:5684 ppid:5662 task_flags:0x400040 flags:0x00080002 [ 429.886296][ T31] Call Trace: [ 429.889711][ T31] [ 429.894381][ T31] __schedule+0x17d9/0x56c0 [ 429.900700][ T31] ? __lock_acquire+0x683/0x2cf0 [ 429.907312][ T31] ? __lock_acquire+0x683/0x2cf0 [ 429.913866][ T31] ? do_raw_spin_lock+0x12b/0x2f0 [ 429.920527][ T31] ? __pfx___schedule+0x10/0x10 [ 429.925513][ T31] ? schedule+0x90/0x2b0 [ 429.929851][ T31] schedule+0x164/0x2b0 [ 429.934068][ T31] schedule_preempt_disabled+0x13/0x30 [ 429.939592][ T31] rwsem_down_write_slowpath+0x87d/0x1080 [ 429.945405][ T31] ? rwsem_down_write_slowpath+0x498/0x1080 [ 429.951345][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 429.959082][ T31] ? aa_file_perm+0x4ed/0x15f0 [ 429.965699][ T31] ? aa_file_perm+0x18b/0x15f0 [ 429.972000][ T31] ? blkdev_fallocate+0x260/0x530 [ 429.979022][ T31] down_write+0x1bc/0x200 [ 429.985019][ T31] ? __pfx_down_write+0x10/0x10 [ 429.991489][ T31] blkdev_fallocate+0x260/0x530 [ 429.998056][ T31] ? apparmor_file_permission+0x1f4/0x300 [ 430.005422][ T31] ? fsnotify_file_area_perm+0x124/0x1e0 [ 430.011152][ T31] vfs_fallocate+0x65a/0x7e0 [ 430.015838][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 430.021013][ T31] __x64_sys_fallocate+0xbf/0x110 [ 430.026098][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.032247][ T31] do_syscall_64+0x174/0x580 [ 430.037023][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.043120][ T31] ? clear_bhb_loop+0x40/0x90 [ 430.049393][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.058193][ T31] RIP: 0033:0x7f7926241579 [ 430.065678][ T31] RSP: 002b:00007ffe42844328 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 430.076360][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7926241579 [ 430.087332][ T31] RDX: 0000000000002000 RSI: 0000000000000010 RDI: 0000000000000003 [ 430.095377][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 430.103389][ T31] R10: 000000100007c000 R11: 0000000000000246 R12: 00000000000264a9 [ 430.111445][ T31] R13: 00007ffe4284433c R14: 00007ffe42844350 R15: 00007ffe42844340 [ 430.119497][ T31] [ 430.122560][ T31] [ 430.122560][ T31] Showing all locks held in the system: [ 430.131906][ T31] 1 lock held by khungtaskd/31: [ 430.139356][ T31] #0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 430.151303][ T31] 2 locks held by klogd/4980: [ 430.156111][ T31] 2 locks held by getty/5382: [ 430.160807][ T31] #0: ffff888035bb70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.173757][ T31] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 430.185932][ T31] 2 locks held by syz-executor386/5677: [ 430.191505][ T31] 1 lock held by syz-executor386/5684: [ 430.197017][ T31] #0: ffff8880238887e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 430.209329][ T31] 1 lock held by syz-executor386/5689: [ 430.214869][ T31] #0: ffff8880238887e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 430.225804][ T31] 1 lock held by syz-executor386/5693: [ 430.231292][ T31] #0: ffff8880238887e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 430.242212][ T31] 1 lock held by syz-executor386/5700: [ 430.247770][ T31] #0: ffff8880238887e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_fallocate+0x260/0x530 [ 430.258687][ T31] [ 430.261041][ T31] ============================================= [ 430.261041][ T31] [ 430.283945][ T31] NMI backtrace for cpu 1 [ 430.283966][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 430.283986][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 430.283995][ T31] Call Trace: [ 430.284002][ T31] [ 430.284011][ T31] dump_stack_lvl+0xe8/0x150 [ 430.284074][ T31] nmi_cpu_backtrace+0x274/0x2d0 [ 430.284172][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.284219][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x380 [ 430.284240][ T31] sys_info+0x135/0x170 [ 430.284264][ T31] watchdog+0xfd7/0x1030 [ 430.284316][ T31] ? watchdog+0x1c7/0x1030 [ 430.284342][ T31] kthread+0x388/0x470 [ 430.284375][ T31] ? __pfx_watchdog+0x10/0x10 [ 430.284395][ T31] ? __pfx_kthread+0x10/0x10 [ 430.284422][ T31] ret_from_fork+0x514/0xb70 [ 430.284463][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 430.284489][ T31] ? __switch_to+0xc89/0x1420 [ 430.284515][ T31] ? __pfx_kthread+0x10/0x10 [ 430.284541][ T31] ret_from_fork_asm+0x1a/0x30 [ 430.284573][ T31] [ 430.388935][ T31] Sending NMI from CPU 1 to CPUs 0: [ 430.394560][ C0] NMI backtrace for cpu 0 [ 430.394581][ C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) [ 430.394600][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 430.394611][ C0] RIP: 0010:__lock_acquire+0x6d5/0x2cf0 [ 430.394642][ C0] Code: 9e 90 0b 00 00 48 83 3c 24 00 75 1e 48 83 fb ff 0f 94 c0 83 3d 9b d6 d5 18 00 b1 01 0f 84 4c 20 00 00 84 c9 0f 84 4e 20 00 00 <49> 89 5d 00 45 8b be 98 0b 00 00 4d 85 ff 0f 84 88 00 00 00 41 83 [ 430.394656][ C0] RSP: 0018:ffffc90000147580 EFLAGS: 00000002 [ 430.394673][ C0] RAX: 0000000000000007 RBX: 7819e49154d45b3f RCX: ffffffff94161a88 [ 430.394685][ C0] RDX: 0000000000000008 RSI: ffff88801deeaac8 RDI: ffff88801dee9f00 [ 430.394697][ C0] RBP: 0000000000000000 R08: ffffffff8177927f R09: 0000000000000000 [ 430.394707][ C0] R10: 0000000000000000 R11: ffffffff8eb59c60 R12: 00000000ffffff03 [ 430.394719][ C0] R13: ffff88801deeaac8 R14: ffff88801dee9f00 R15: 0000000000000001 [ 430.394732][ C0] FS: 0000000000000000(0000) GS:ffff888124f4b000(0000) knlGS:0000000000000000 [ 430.394746][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.394758][ C0] CR2: 000055556531e7a8 CR3: 000000000e946000 CR4: 00000000003526f0 [ 430.394775][ C0] Call Trace: [ 430.394783][ C0] [ 430.394794][ C0] ? __lock_acquire+0x683/0x2cf0 [ 430.394817][ C0] ? ktime_get+0x1f5/0x220 [ 430.394874][ C0] ? lapic_next_event+0x11/0x20 [ 430.394889][ C0] ? clockevents_program_event+0x491/0x630 [ 430.394906][ C0] ? __hrtimer_rearm_deferred+0x99/0x420 [ 430.394926][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.394941][ C0] lock_acquire+0x106/0x350 [ 430.394959][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.394976][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.394990][ C0] ? arch_stack_walk+0xe3/0x150 [ 430.395004][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.395019][ C0] unwind_next_frame+0xac/0x2550 [ 430.395033][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.395048][ C0] ? __unwind_start+0xed/0x660 [ 430.395062][ C0] ? unwind_next_frame+0x8f/0x2550 [ 430.395078][ C0] __unwind_start+0x514/0x660 [ 430.395093][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 430.395111][ C0] arch_stack_walk+0xe3/0x150 [ 430.395126][ C0] ? arch_stack_walk+0xe3/0x150 [ 430.395141][ C0] stack_trace_save+0xa9/0x100 [ 430.395158][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 430.395178][ C0] save_stack+0x122/0x230 [ 430.395198][ C0] ? __pfx_save_stack+0x10/0x10 [ 430.395219][ C0] ? page_ext_put+0x97/0xc0 [ 430.395238][ C0] __reset_page_owner+0x71/0x1f0 [ 430.395256][ C0] __free_frozen_pages+0xc1e/0xd10 [ 430.395286][ C0] ? __free_slab+0x172/0x280 [ 430.395300][ C0] ? __pfx_rcu_free_slab+0x10/0x10 [ 430.395322][ C0] ? rcu_core+0x70d/0x10a0 [ 430.395341][ C0] rcu_core+0x78b/0x10a0 [ 430.395364][ C0] ? __pfx_rcu_core+0x10/0x10 [ 430.395383][ C0] ? try_to_wake_up+0x8c5/0x14d0 [ 430.395400][ C0] handle_softirqs+0x225/0x840 [ 430.395424][ C0] ? run_ksoftirqd+0x36/0x60 [ 430.395444][ C0] run_ksoftirqd+0x36/0x60 [ 430.395461][ C0] smpboot_thread_fn+0x57c/0xa80 [ 430.395479][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 430.395498][ C0] kthread+0x388/0x470 [ 430.395518][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 430.395535][ C0] ? __pfx_kthread+0x10/0x10 [ 430.395554][ C0] ret_from_fork+0x514/0xb70 [ 430.395574][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 430.395593][ C0] ? __switch_to+0xc89/0x1420 [ 430.395611][ C0] ? __pfx_kthread+0x10/0x10 [ 430.395630][ C0] ret_from_fork_asm+0x1a/0x30 [ 430.395648][ C0] [ 430.395656][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.096 msecs [ 430.457527][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 430.457546][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 430.457567][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 430.457577][ T31] Call Trace: [ 430.457585][ T31] [ 430.457592][ T31] vpanic+0x56c/0xa60 [ 430.457623][ T31] ? __pfx___schedule+0x10/0x10 [ 430.457644][ T31] ? __pfx_vpanic+0x10/0x10 [ 430.457676][ T31] panic+0xc5/0xd0 [ 430.457698][ T31] ? __pfx_panic+0x10/0x10 [ 430.457720][ T31] ? preempt_schedule_common+0x82/0xd0 [ 430.457740][ T31] ? preempt_schedule_thunk+0x16/0x40 [ 430.457762][ T31] ? nmi_trigger_cpumask_backtrace+0x314/0x380 [ 430.457783][ T31] ? nmi_trigger_cpumask_backtrace+0x319/0x380 [ 430.457805][ T31] watchdog+0x1030/0x1030 [ 430.457840][ T31] ? watchdog+0x1c7/0x1030 [ 430.457865][ T31] kthread+0x388/0x470 [ 430.457889][ T31] ? __pfx_watchdog+0x10/0x10 [ 430.457908][ T31] ? __pfx_kthread+0x10/0x10 [ 430.457932][ T31] ret_from_fork+0x514/0xb70 [ 430.457958][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 430.457981][ T31] ? __switch_to+0xc89/0x1420 [ 430.458005][ T31] ? __pfx_kthread+0x10/0x10 [ 430.458029][ T31] ret_from_fork_asm+0x1a/0x30 [ 430.458058][ T31] [ 430.875830][ T31] Kernel Offset: disabled [ 430.880152][ T31] Rebooting in 86400 seconds..