ci-upstream-kasan-gce-smack-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-smack-root/syz-executor1601916506

<...>
Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts.
execve("ci-upstream-kasan-gce-smack-root/syz-executor1601916506", ["ci-upstream-kasan-gce-smack-root/syz-executor1601916506"], 0x7ffe1fe964f0 /* 10 vars */) = 0
brk(NULL)                               = 0x55558432e000
brk(0x55558432ed80)                     = 0x55558432ed80
arch_prctl(ARCH_SET_FS, 0x55558432e400) = 0
set_tid_address(0x55558432e6d0)         = 5650
set_robust_list(0x55558432e6e0, 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-smack-root/syz-executor1601916506", 4096) = 61
getrandom("\xc2\xed\xc3\xff\x8f\x17\x29\xb4", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558432ed80
brk(0x55558434fd80)                     = 0x55558434fd80
brk(0x555584350000)                     = 0x555584350000
mprotect(0x7f01f0e4b000, 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|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5651 attached
, child_tidptr=0x55558432e6d0) = 5651
[pid  5650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5651] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5650] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5651] <... set_robust_list resumed>) = 0
[pid  5650] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5651] getrandom(ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5652 attached
 <unfinished ...>
[pid  5650] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5652
[pid  5651] <... getrandom resumed>"\x9e\xd9\x87\xd4\xba\xe7\x05\xb4", 8, GRND_NONBLOCK) = 8
[pid  5650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5651] mkdir("./syzkaller.sUQWkN", 0700 <unfinished ...>
[pid  5650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5652] set_robust_list(0x55558432e6e0, 24) = 0
[pid  5650] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5650] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5652] getrandom( <unfinished ...>
[pid  5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5652] <... getrandom resumed>"\x7f\x22\xef\x7e\x12\x6d\xac\x04", 8, GRND_NONBLOCK) = 8
ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5653 attached
[pid  5653] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5652] mkdir("./syzkaller.zXQaMc", 0700 <unfinished ...>
[pid  5650] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5653
[pid  5653] <... set_robust_list resumed>) = 0
[pid  5650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5650] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5653] getrandom( <unfinished ...>
[pid  5650] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5653] <... getrandom resumed>"\xb8\xda\x10\xc6\x6d\xdc\x2a\x1b", 8, GRND_NONBLOCK) = 8
[pid  5653] mkdir("./syzkaller.KgmUAE", 0700ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5654 attached
 <unfinished ...>
[pid  5650] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5654
[pid  5653] <... mkdir resumed>)        = 0
[pid  5652] <... mkdir resumed>)        = 0
[pid  5651] <... mkdir resumed>)        = 0
[pid  5650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5654] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5653] chmod("./syzkaller.KgmUAE", 0777 <unfinished ...>
[pid  5652] chmod("./syzkaller.zXQaMc", 0777 <unfinished ...>
[pid  5650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5654] <... set_robust_list resumed>) = 0
[pid  5651] chmod("./syzkaller.sUQWkN", 0777 <unfinished ...>
[pid  5650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5651] <... chmod resumed>)        = 0
[pid  5654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5654] getrandom("\xc6\x0c\x34\xd9\x34\x59\x01\xb9", 8, GRND_NONBLOCK) = 8
[pid  5654] mkdir("./syzkaller.YAO3sy", 0700 <unfinished ...>
[pid  5651] chdir("./syzkaller.sUQWkN") = 0
[pid  5652] <... chmod resumed>)        = 0
[pid  5653] <... chmod resumed>)        = 0
[pid  5651] mkdir("./0", 0777ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5655 attached
 <unfinished ...>
[pid  5650] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5655
[pid  5654] <... mkdir resumed>)        = 0
[pid  5653] chdir("./syzkaller.KgmUAE" <unfinished ...>
[pid  5652] chdir("./syzkaller.zXQaMc" <unfinished ...>
[pid  5650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5655] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5654] chmod("./syzkaller.YAO3sy", 0777 <unfinished ...>
[pid  5653] <... chdir resumed>)        = 0
[pid  5652] <... chdir resumed>)        = 0
[pid  5655] <... set_robust_list resumed>) = 0
[pid  5651] <... mkdir resumed>)        = 0
[pid  5650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5653] mkdir("./0", 0777 <unfinished ...>
[pid  5652] mkdir("./0", 0777 <unfinished ...>
[pid  5651] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5654] <... chmod resumed>)        = 0
[pid  5651] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5653] <... mkdir resumed>)        = 0
[pid  5653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5653] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5655] getrandom( <unfinished ...>
[pid  5651] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5654] chdir("./syzkaller.YAO3sy" <unfinished ...>
[pid  5655] <... getrandom resumed>"\x18\xd7\x58\x80\x3a\xc4\x84\x33", 8, GRND_NONBLOCK) = 8
ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5656 attached
[pid  5654] <... chdir resumed>)        = 0
ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5657 attached
[pid  5655] mkdir("./syzkaller.KmjlUR", 0700 <unfinished ...>
[pid  5653] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5656
[pid  5652] <... mkdir resumed>)        = 0
[pid  5654] mkdir("./0", 0777 <unfinished ...>
[pid  5657] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5656] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5652] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5657] <... set_robust_list resumed>) = 0
[pid  5656] <... set_robust_list resumed>) = 0
[pid  5653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5652] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5656] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5652] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5651] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5657
[pid  5657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5655] <... mkdir resumed>)        = 0
[pid  5654] <... mkdir resumed>)        = 0
[pid  5651] rt_sigprocmask(SIG_SETMASK, []ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5658 attached
 <unfinished ...>
[pid  5657] chdir("./0" <unfinished ...>
[pid  5658] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5657] <... chdir resumed>)        = 0
[pid  5656] chdir("./0" <unfinished ...>
[pid  5655] chmod("./syzkaller.KmjlUR", 0777 <unfinished ...>
[pid  5654] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5652] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5658
[pid  5651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5658] <... set_robust_list resumed>) = 0
[pid  5657] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5656] <... chdir resumed>)        = 0
[pid  5654] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5652] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5655] <... chmod resumed>)        = 0
[pid  5656] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5652] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5657] <... prctl resumed>)        = 0
[pid  5656] <... prctl resumed>)        = 0
[pid  5655] chdir("./syzkaller.KmjlUR" <unfinished ...>
[pid  5654] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5658] chdir("./0" <unfinished ...>
[pid  5657] setpgid(0, 0 <unfinished ...>
[pid  5656] setpgid(0, 0)               = 0
[pid  5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5657] <... setpgid resumed>)      = 0
[pid  5658] <... chdir resumed>)        = 0
[pid  5655] <... chdir resumed>)        = 0
[pid  5656] write(3, "1000", 4 <unfinished ...>
[pid  5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5659 attached
 <unfinished ...>
[pid  5658] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5655] mkdir("./0", 0777 <unfinished ...>
[pid  5659] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5656] <... write resumed>)        = 4
[pid  5659] <... set_robust_list resumed>) = 0
[pid  5656] close(3 <unfinished ...>
[pid  5659] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5658] <... prctl resumed>)        = 0
[pid  5656] <... close resumed>)        = 0
[pid  5656] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5655] <... mkdir resumed>)        = 0
[pid  5659] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5658] setpgid(0, 0 <unfinished ...>
[pid  5656] <... symlink resumed>)      = 0
[pid  5654] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5659
[pid  5659] chdir("./0" <unfinished ...>
[pid  5654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5659] <... chdir resumed>)        = 0
[pid  5658] <... setpgid resumed>)      = 0
[pid  5657] <... openat resumed>)       = 3
[pid  5656] write(1, "executing program\n", 18 <unfinished ...>
[pid  5655] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5654] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  5659] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5657] write(3, "1000", 4 <unfinished ...>
[pid  5656] <... write resumed>)        = 18
[pid  5655] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5659] <... prctl resumed>)        = 0
[pid  5657] <... write resumed>)        = 4
[pid  5656] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC <unfinished ...>
[pid  5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5659] setpgid(0, 0 <unfinished ...>
[pid  5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5657] close(3 <unfinished ...>
[pid  5656] <... openat resumed>)       = 3
ci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5660 attached
[pid  5659] <... setpgid resumed>)      = 0
[pid  5657] <... close resumed>)        = 0
[pid  5656] dup(3 <unfinished ...>
[pid  5658] <... openat resumed>)       = 3
[pid  5660] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5657] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5656] <... dup resumed>)          = 4
[pid  5660] <... set_robust_list resumed>) = 0
[pid  5659] <... openat resumed>)       = 3
[pid  5658] write(3, "1000", 4 <unfinished ...>
[pid  5655] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5660
[pid  5660] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5656] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5657] <... symlink resumed>)      = 0
[pid  5658] <... write resumed>)        = 4
[pid  5657] write(1, "executing program\n", 18 <unfinished ...>
[pid  5655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  5657] <... write resumed>)        = 18
[pid  5660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5659] write(3, "1000", 4 <unfinished ...>
[pid  5658] close(3 <unfinished ...>
[pid  5657] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC <unfinished ...>
[pid  5655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5660] chdir("./0" <unfinished ...>
[pid  5659] <... write resumed>)        = 4
[pid  5657] <... openat resumed>)       = 3
[pid  5658] <... close resumed>)        = 0
[pid  5660] <... chdir resumed>)        = 0
[pid  5659] close(3 <unfinished ...>
[pid  5657] dup(3 <unfinished ...>
[pid  5660] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5659] <... close resumed>)        = 0
[pid  5657] <... dup resumed>)          = 4
[pid  5660] <... prctl resumed>)        = 0
[pid  5659] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5658] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5657] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5660] setpgid(0, 0 <unfinished ...>
[pid  5658] <... symlink resumed>)      = 0
[pid  5660] <... setpgid resumed>)      = 0
[pid  5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5658] write(1, "executing program\n", 18 <unfinished ...>
[pid  5660] write(3, "1000", 4 <unfinished ...>
[pid  5658] <... write resumed>)        = 18
executing program
[pid  5659] <... symlink resumed>)      = 0
[pid  5660] <... write resumed>)        = 4
[pid  5658] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC <unfinished ...>
[pid  5660] close(3 <unfinished ...>
[pid  5658] <... openat resumed>)       = 3
[pid  5660] <... close resumed>)        = 0
[pid  5660] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5659] write(1, "executing program\n", 18 <unfinished ...>
[pid  5658] dup(3 <unfinished ...>
[pid  5659] <... write resumed>)        = 18
[pid  5658] <... dup resumed>)          = 4
executing program
[pid  5659] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC <unfinished ...>
[pid  5658] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5659] <... openat resumed>)       = 3
[pid  5659] dup(3)                      = 4
[pid  5659] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5660] <... symlink resumed>)      = 0
[pid  5660] write(1, "executing program\n", 18) = 18
executing program
[pid  5660] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3
[pid  5660] dup(3)                      = 4
[pid  5660] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5653] kill(-5656, SIGKILL)        = 0
[pid  5653] kill(5656, SIGKILL)         = 0
[pid  5652] kill(-5658, SIGKILL)        = 0
[pid  5652] kill(5658, SIGKILL)         = 0
[pid  5651] kill(-5657, SIGKILL)        = 0
[pid  5651] kill(5657, SIGKILL)         = 0
[pid  5654] kill(-5659, SIGKILL)        = 0
[pid  5654] kill(5659, SIGKILL)         = 0
[pid  5655] kill(-5660, SIGKILL)        = 0
[pid  5655] kill(5660, SIGKILL)         = 0
[pid  5653] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5654] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5652] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5655] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5651] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5654] <... openat resumed>)       = 3
[pid  5655] <... openat resumed>)       = 3
[pid  5653] <... openat resumed>)       = 3
[pid  5652] <... openat resumed>)       = 3
[pid  5651] <... openat resumed>)       = 3
[pid  5655] fstat(3 <unfinished ...>
[pid  5652] fstat(3 <unfinished ...>
[pid  5655] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5654] fstat(3 <unfinished ...>
[pid  5651] fstat(3 <unfinished ...>
[pid  5655] getdents64(3 <unfinished ...>
[pid  5654] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5653] fstat(3 <unfinished ...>
[pid  5652] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5654] getdents64(3 <unfinished ...>
[pid  5651] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5654] <... getdents64 resumed>, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5651] getdents64(3, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5654] getdents64(3, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5653] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5651] getdents64(3 <unfinished ...>
[pid  5652] getdents64(3 <unfinished ...>
[pid  5654] close(3 <unfinished ...>
[pid  5653] getdents64(3 <unfinished ...>
[pid  5652] <... getdents64 resumed>, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5651] <... getdents64 resumed>, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5654] <... close resumed>)        = 0
[pid  5653] <... getdents64 resumed>, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5652] getdents64(3 <unfinished ...>
[pid  5651] close(3 <unfinished ...>
[pid  5655] <... getdents64 resumed>, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5653] getdents64(3 <unfinished ...>
[pid  5652] <... getdents64 resumed>, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5651] <... close resumed>)        = 0
[pid  5655] getdents64(3 <unfinished ...>
[pid  5653] <... getdents64 resumed>, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5652] close(3 <unfinished ...>
[pid  5653] close(3 <unfinished ...>
[pid  5655] <... getdents64 resumed>, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5652] <... close resumed>)        = 0
[pid  5655] close(3)                    = 0
[pid  5653] <... close resumed>)        = 0
[pid  5656] <... fallocate resumed>)    = ?
[pid  5656] +++ killed by SIGKILL +++
[pid  5653] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5656, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=6201 /* 62.01 s */} ---
[pid  5653] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5653] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5653] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid  5653] getdents64(3, 0x55558432f7a0 /* 3 entries */, 32768) = 80
[pid  5653] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5653] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5653] unlink("./0/binderfs")      = 0
[pid  5653] getdents64(3, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5653] close(3)                    = 0
[pid  5653] rmdir("./0")                = 0
[pid  5653] mkdir("./1", 0777)          = 0
[pid  5653] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5653] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-kasan-gce-smack-root/strace-static-x86_64: Process 5667 attached
 <unfinished ...>
[pid  5667] set_robust_list(0x55558432e6e0, 24 <unfinished ...>
[pid  5653] <... clone resumed>, child_tidptr=0x55558432e6d0) = 5667
[pid  5667] <... set_robust_list resumed>) = 0
[pid  5653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5667] chdir("./1")                = 0
[pid  5667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5667] setpgid(0, 0)               = 0
[pid  5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5667] write(3, "1000", 4)         = 4
[pid  5667] close(3)                    = 0
[pid  5667] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5667] write(1, "executing program\n", 18) = 18
[pid  5667] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3
[pid  5667] dup(3)                      = 4
[pid  5667] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 <unfinished ...>
[pid  5653] kill(-5667, SIGKILL)        = 0
[pid  5653] kill(5667, SIGKILL)         = 0
[pid  5653] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5653] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5653] getdents64(3, 0x55558432f7a0 /* 2 entries */, 32768) = 48
[pid  5653] getdents64(3, 0x55558432f7a0 /* 0 entries */, 32768) = 0
[pid  5653] close(3)                    = 0
[  430.058532][   T38] INFO: task syz-executor160:5658 blocked for more than 143 seconds.
[  430.058587][   T38]       Not tainted syzkaller #0
[  430.058598][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  430.058610][   T38] task:syz-executor160 state:D stack:27720 pid:5658  tgid:5658  ppid:5652   task_flags:0x400040 flags:0x00080002
[  430.058694][   T38] Call Trace:
[  430.058701][   T38]  <TASK>
[  430.058718][   T38]  __schedule+0x16d9/0x5700
[  430.058786][   T38]  ? lock_acquire+0x115/0x350
[  430.058826][   T38]  ? __pfx___schedule+0x10/0x10
[  430.058867][   T38]  rt_mutex_schedule+0x76/0xf0
[  430.058893][   T38]  __rt_mutex_slowlock_locked+0x1f88/0x25b0
[  430.058927][   T38]  ? __rt_mutex_slowlock_locked+0x1d6/0x25b0
[  430.058955][   T38]  ? __pfx___rt_mutex_slowlock_locked+0x10/0x10
[  430.058991][   T38]  ? rcu_is_watching+0x16/0xb0
[  430.059026][   T38]  rt_mutex_slowlock+0xbd/0x180
[  430.059050][   T38]  ? __pfx_rt_mutex_slowlock+0x10/0x10
[  430.059075][   T38]  ? lock_acquire+0x115/0x350
[  430.059104][   T38]  rwbase_write_lock+0x14c/0x720
[  430.059142][   T38]  blkdev_fallocate+0x263/0x550
[  430.059168][   T38]  ? fsnotify_file_area_perm+0x12a/0x1e0
[  430.059196][   T38]  vfs_fallocate+0x663/0x7f0
[  430.059225][   T38]  ? __pfx_vfs_fallocate+0x10/0x10
[  430.059256][   T38]  __x64_sys_fallocate+0xbf/0x110
[  430.059281][   T38]  do_syscall_64+0x166/0x520
[  430.059308][   T38]  ? trace_irq_disable+0x3b/0x140
[  430.059332][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.059353][   T38]  ? clear_bhb_loop+0x70/0xc0
[  430.059377][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.059402][   T38] RIP: 0033:0x7f01f0db7d29
[  430.059423][   T38] RSP: 002b:00007ffc9e957318 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  430.059444][   T38] RAX: ffffffffffffffda RBX: 00007ffc9e957638 RCX: 00007f01f0db7d29
[  430.059458][   T38] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
[  430.059470][   T38] RBP: 0000000000000000 R08: 000000000000000a R09: 000000000000000a
[  430.059482][   T38] R10: 0000002000000400 R11: 0000000000000246 R12: 00007ffc9e957628
[  430.059495][   T38] R13: 0000000000000002 R14: 00007ffc9e957350 R15: 0000000000000000
[  430.059524][   T38]  </TASK>
[  430.059533][   T38] INFO: task syz-executor160:5659 blocked for more than 143 seconds.
[  430.059547][   T38]       Not tainted syzkaller #0
[  430.059557][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  430.059566][   T38] task:syz-executor160 state:D stack:27560 pid:5659  tgid:5659  ppid:5654   task_flags:0x400040 flags:0x00080002
[  430.059620][   T38] Call Trace:
[  430.059626][   T38]  <TASK>
[  430.059638][   T38]  __schedule+0x16d9/0x5700
[  430.059693][   T38]  ? __pfx___schedule+0x10/0x10
[  430.059748][   T38]  rt_mutex_schedule+0x76/0xf0
[  430.059814][   T38]  __rt_mutex_slowlock_locked+0x1f88/0x25b0
[  430.059848][   T38]  ? __rt_mutex_slowlock_locked+0x1d6/0x25b0
[  430.059875][   T38]  ? __pfx___rt_mutex_slowlock_locked+0x10/0x10
[  430.059911][   T38]  ? rcu_is_watching+0x16/0xb0
[  430.059944][   T38]  rt_mutex_slowlock+0xbd/0x180
[  430.059968][   T38]  ? __pfx_rt_mutex_slowlock+0x10/0x10
[  430.059993][   T38]  ? lock_acquire+0x115/0x350
[  430.060022][   T38]  rwbase_write_lock+0x14c/0x720
[  430.060053][   T38]  blkdev_fallocate+0x263/0x550
[  430.060077][   T38]  ? fsnotify_file_area_perm+0x12a/0x1e0
[  430.060105][   T38]  vfs_fallocate+0x663/0x7f0
[  430.060141][   T38]  ? __pfx_vfs_fallocate+0x10/0x10
[  430.060175][   T38]  __x64_sys_fallocate+0xbf/0x110
[  430.060201][   T38]  do_syscall_64+0x166/0x520
[  430.060228][   T38]  ? trace_irq_disable+0x3b/0x140
[  430.060251][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.060271][   T38]  ? clear_bhb_loop+0x70/0xc0
[  430.060295][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.060314][   T38] RIP: 0033:0x7f01f0db7d29
[  430.060330][   T38] RSP: 002b:00007ffc9e957318 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  430.060349][   T38] RAX: ffffffffffffffda RBX: 00007ffc9e957638 RCX: 00007f01f0db7d29
[  430.060363][   T38] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
[  430.060375][   T38] RBP: 0000000000000000 R08: 000000000000000a R09: 000000000000000a
[  430.060386][   T38] R10: 0000002000000400 R11: 0000000000000246 R12: 00007ffc9e957628
[  430.060400][   T38] R13: 0000000000000002 R14: 00007ffc9e957350 R15: 0000000000000000
[  430.060430][   T38]  </TASK>
[  430.060437][   T38] INFO: task syz-executor160:5660 blocked for more than 143 seconds.
[  430.060451][   T38]       Not tainted syzkaller #0
[  430.060461][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  430.060470][   T38] task:syz-executor160 state:D stack:27472 pid:5660  tgid:5660  ppid:5655   task_flags:0x400040 flags:0x00080002
[  430.060522][   T38] Call Trace:
[  430.060529][   T38]  <TASK>
[  430.060540][   T38]  __schedule+0x16d9/0x5700
[  430.060594][   T38]  ? __pfx___schedule+0x10/0x10
[  430.060636][   T38]  rt_mutex_schedule+0x76/0xf0
[  430.060659][   T38]  __rt_mutex_slowlock_locked+0x1f88/0x25b0
[  430.060690][   T38]  ? __rt_mutex_slowlock_locked+0x1d6/0x25b0
[  430.060716][   T38]  ? __pfx___rt_mutex_slowlock_locked+0x10/0x10
[  430.060751][   T38]  ? rcu_is_watching+0x16/0xb0
[  430.060785][   T38]  rt_mutex_slowlock+0xbd/0x180
[  430.060809][   T38]  ? __pfx_rt_mutex_slowlock+0x10/0x10
[  430.060833][   T38]  ? lock_acquire+0x115/0x350
[  430.060863][   T38]  rwbase_write_lock+0x14c/0x720
[  430.060894][   T38]  blkdev_fallocate+0x263/0x550
[  430.060918][   T38]  ? fsnotify_file_area_perm+0x12a/0x1e0
[  430.060946][   T38]  vfs_fallocate+0x663/0x7f0
[  430.060976][   T38]  ? __pfx_vfs_fallocate+0x10/0x10
[  430.061010][   T38]  __x64_sys_fallocate+0xbf/0x110
[  430.061036][   T38]  do_syscall_64+0x166/0x520
[  430.061064][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.061084][   T38]  ? clear_bhb_loop+0x70/0xc0
[  430.061108][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  430.061134][   T38] RIP: 0033:0x7f01f0db7d29
[  430.061150][   T38] RSP: 002b:00007ffc9e957318 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[  430.061170][   T38] RAX: ffffffffffffffda RBX: 00007ffc9e957638 RCX: 00007f01f0db7d29
[  430.061184][   T38] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
[  430.061196][   T38] RBP: 0000000000000000 R08: 000000000000000a R09: 000000000000000a
[  430.061208][   T38] R10: 0000002000000400 R11: 0000000000000246 R12: 00007ffc9e957628
[  430.061221][   T38] R13: 0000000000000002 R14: 00007ffc9e957350 R15: 0000000000000000
[  430.061273][   T38]  </TASK>
[  430.061292][   T38] 
[  430.061292][   T38] Showing all locks held in the system:
[  430.061305][   T38] locks held by rcuc/0/20: 4, last CPU#0:
[  430.061319][   T38]  #0: ffffffff8e059500 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420
[  430.061375][   T38]  #1: ffffffff8e1c3c80 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420
[  430.061427][   T38]  #2: ffffffff8e1c3da0 (rcu_callback){....}-{0:0}, at: rcu_cpu_kthread+0x217/0x1740
[  430.061479][   T38]  #3: ffffffff8e1c3c80 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550
[  430.061533][   T38] locks held by khungtaskd/38: 1, last CPU#1:
[  430.061547][   T38]  #0: ffffffff8e1c3c80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  430.061620][   T38] locks held by getty/5360: 2, on CPU#0:
[  430.061634][   T38]  #0: ffff888035d000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  430.061692][   T38]  #1: ffffc900044d62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[  430.061748][   T38] locks held by syz-executor160/5657: 3, last CPU#0:
[  430.061763][   T38]  #0: ffff888026ab23c8 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: blkdev_fallocate+0x263/0x550
[  430.061817][   T38]  #1: ffff888026ab2598 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x294/0x550
[  430.061865][   T38]  #2: ffffffff8e1c3c80 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550
[  430.061915][   T38] locks held by syz-executor160/5658: 1, on CPU#1:
[  430.061929][   T38]  #0: ffff888026ab23c8 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: blkdev_fallocate+0x263/0x550
[  430.061983][   T38] locks held by syz-executor160/5659: 1, on CPU#1:
[  430.061997][   T38]  #0: ffff888026ab23c8 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: blkdev_fallocate+0x263/0x550
[  430.062050][   T38] locks held by syz-executor160/5660: 1, on CPU#1:
[  430.062064][   T38]  #0: ffff888026ab23c8 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: blkdev_fallocate+0x263/0x550
[  430.062118][   T38] locks held by syz-executor160/5667: 1, on CPU#1:
[  430.062138][   T38]  #0: ffff888026ab23c8 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: blkdev_fallocate+0x263/0x550
[  430.062192][   T38] 
[  430.062197][   T38] =============================================
[  430.062197][   T38] 
[  430.062230][   T38] NMI backtrace for cpu 1
[  430.062251][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  430.062272][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  430.062283][   T38] Call Trace:
[  430.062290][   T38]  <TASK>
[  430.062298][   T38]  dump_stack_lvl+0xe8/0x150
[  430.062327][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  430.062351][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  430.062373][   T38]  nmi_trigger_cpumask_backtrace+0x17d/0x390
[  430.062399][   T38]  sys_info+0x135/0x170
[  430.062418][   T38]  watchdog+0xfd7/0x1030
[  430.062447][   T38]  ? watchdog+0x1c7/0x1030
[  430.062474][   T38]  kthread+0x38b/0x470
[  430.062494][   T38]  ? __pfx_watchdog+0x10/0x10
[  430.062515][   T38]  ? __pfx_kthread+0x10/0x10
[  430.062535][   T38]  ret_from_fork+0x514/0xb70
[  430.062558][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  430.062577][   T38]  ? __switch_to+0xc89/0x1420
[  430.062607][   T38]  ? __pfx_kthread+0x10/0x10
[  430.062627][   T38]  ret_from_fork_asm+0x1a/0x30
[  430.062659][   T38]  </TASK>
[  430.062667][   T38] Sending NMI from CPU 1 to CPUs 0:
[  430.062699][    C0] NMI backtrace for cpu 0
[  430.062713][    C0] CPU: 0 UID: 0 PID: 780 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  430.062731][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  430.062741][    C0] Workqueue: kblockd blk_mq_run_work_fn
[  430.062764][    C0] RIP: 0010:debug_lockdep_rcu_enabled+0xd/0x40
[  430.062790][    C0] Code: 8d 67 48 0f b9 3a 90 eb bc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d db 8c 5a 04 00 <74> 1d 83 3d ea 9c 5a 04 00 74 14 65 48 8b 0d 28 f5 4d 07 31 c0 83
[  430.062803][    C0] RSP: 0018:ffffc9000568efd8 EFLAGS: 00000202
[  430.062817][    C0] RAX: 0000000000000000 RBX: ffffc9000568f098 RCX: ffffc9000568f408
[  430.062829][    C0] RDX: ffffc9000568f001 RSI: dffffc0000000000 RDI: ffffc9000568f090
[  430.062841][    C0] RBP: 1ffffffff20a1301 R08: ffffc9000568f3f0 R09: 0000000000000000
[  430.062852][    C0] R10: ffffc9000568f0d8 R11: fffff52000ad1e1d R12: ffffc90005688000
[  430.062864][    C0] R13: ffffffff8177e1bf R14: ffffc9000568f088 R15: ffffc9000568f400
[  430.062876][    C0] FS:  0000000000000000(0000) GS:ffff888125bc8000(0000) knlGS:0000000000000000
[  430.062892][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.062903][    C0] CR2: 000055a9840f9168 CR3: 00000000448fc000 CR4: 00000000003526f0
[  430.062918][    C0] Call Trace:
[  430.062924][    C0]  <TASK>
[  430.062929][    C0]  unwind_next_frame+0x1b5d/0x2550
[  430.062952][    C0]  ? kasan_save_stack+0x3e/0x60
[  430.062972][    C0]  ? unwind_next_frame+0x8f/0x2550
[  430.062992][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  430.063013][    C0]  arch_stack_walk+0x11b/0x150
[  430.063034][    C0]  ? kasan_record_aux_stack+0xbd/0xd0
[  430.063053][    C0]  stack_trace_save+0xa9/0x100
[  430.063072][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  430.063095][    C0]  kasan_save_stack+0x3e/0x60
[  430.063124][    C0]  ? kasan_save_stack+0x3e/0x60
[  430.063166][    C0]  ? mempool_free+0xf5/0x140
[  430.063186][    C0]  kasan_record_aux_stack+0xbd/0xd0
[  430.063203][    C0]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[  430.063219][    C0]  call_rcu+0xee/0x8b0
[  430.063245][    C0]  ? mempool_free+0xf5/0x140
[  430.063264][    C0]  kmem_cache_free+0x539/0x6d0
[  430.063287][    C0]  ? __pfx_mempool_free_slab+0x10/0x10
[  430.063307][    C0]  mempool_free+0xf5/0x140
[  430.063322][    C0]  ? __pfx_mempool_free+0x10/0x10
[  430.063345][    C0]  ? bio_free+0x254/0x320
[  430.063364][    C0]  bio_endio+0x3f/0xac0
[  430.063385][    C0]  blk_update_request+0x57b/0xe50
[  430.063411][    C0]  blk_mq_end_request+0x3e/0x70
[  430.063432][    C0]  null_queue_rq+0xc2a/0xe70
[  430.063457][    C0]  blk_mq_dispatch_rq_list+0x4af/0x1a00
[  430.063490][    C0]  ? blk_mq_flush_busy_ctxs+0x9c/0xe0
[  430.063513][    C0]  ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10
[  430.063541][    C0]  __blk_mq_sched_dispatch_requests+0x13b7/0x1590
[  430.063559][    C0]  ? __lock_acquire+0x747/0x2de0
[  430.063580][    C0]  ? __lock_acquire+0x747/0x2de0
[  430.063601][    C0]  ? trace_hrtimer_start+0x82/0x200
[  430.063620][    C0]  ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10
[  430.063645][    C0]  ? do_raw_spin_lock+0x12b/0x2f0
[  430.063664][    C0]  ? lock_acquire+0x115/0x350
[  430.063687][    C0]  blk_mq_sched_dispatch_requests+0xda/0x1a0
[  430.063705][    C0]  ? process_scheduled_works+0x97a/0x1630
[  430.063725][    C0]  ? blk_mq_run_work_fn+0x9e/0x300
[  430.063744][    C0]  blk_mq_run_work_fn+0x231/0x300
[  430.063763][    C0]  ? process_scheduled_works+0x97a/0x1630
[  430.063783][    C0]  process_scheduled_works+0xc3d/0x1630
[  430.063817][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  430.063841][    C0]  ? assign_work+0x3cf/0x5d0
[  430.063863][    C0]  worker_thread+0xa47/0xfb0
[  430.063890][    C0]  ? __kthread_parkme+0x71/0x1f0
[  430.063916][    C0]  kthread+0x38b/0x470
[  430.063931][    C0]  ? __pfx_worker_thread+0x10/0x10
[  430.063951][    C0]  ? __pfx_kthread+0x10/0x10
[  430.063967][    C0]  ret_from_fork+0x514/0xb70
[  430.063984][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  430.063999][    C0]  ? __switch_to+0xc89/0x1420
[  430.064021][    C0]  ? __pfx_kthread+0x10/0x10
[  430.064038][    C0]  ret_from_fork_asm+0x1a/0x30
[  430.064059][    C0]  </TASK>
[  430.064067][    C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.368 msecs
[  430.064707][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  431.413426][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  431.423073][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  431.433238][   T38] Call Trace:
[  431.436530][   T38]  <TASK>
[  431.439468][   T38]  vpanic+0x56d/0xa60
[  431.443501][   T38]  ? __pfx_vpanic+0x10/0x10
[  431.447996][   T38]  ? console_srcu_read_unlock+0x3a/0x60
[  431.453564][   T38]  panic+0xc5/0xd0
[  431.457444][   T38]  ? __pfx_panic+0x10/0x10
[  431.461866][   T38]  ? wq_watchdog_touch+0xf9/0x160
[  431.466894][   T38]  ? nmi_trigger_cpumask_backtrace+0x24d/0x390
[  431.473047][   T38]  watchdog+0x1030/0x1030
[  431.477415][   T38]  ? watchdog+0x1c7/0x1030
[  431.481842][   T38]  kthread+0x38b/0x470
[  431.486131][   T38]  ? __pfx_watchdog+0x10/0x10
[  431.490806][   T38]  ? __pfx_kthread+0x10/0x10
[  431.495395][   T38]  ret_from_fork+0x514/0xb70
[  431.499988][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  431.505101][   T38]  ? __switch_to+0xc89/0x1420
[  431.509777][   T38]  ? __pfx_kthread+0x10/0x10
[  431.514431][   T38]  ret_from_fork_asm+0x1a/0x30
[  431.519194][   T38]  </TASK>
[  431.522381][   T38] Kernel Offset: disabled
[  431.526706][   T38] Rebooting in 86400 seconds..