./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3270503584 <...> Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts. execve("./syz-executor3270503584", ["./syz-executor3270503584"], 0x7ffdcfbeaf90 /* 10 vars */) = 0 brk(NULL) = 0x55555a94f000 brk(0x55555a94fd40) = 0x55555a94fd40 arch_prctl(ARCH_SET_FS, 0x55555a94f3c0) = 0 set_tid_address(0x55555a94f690) = 296 set_robust_list(0x55555a94f6a0, 24) = 0 rseq(0x55555a94fce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3270503584", 4096) = 28 getrandom("\x12\xf8\xc5\x06\x3a\x5b\xb3\xea", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a94fd40 brk(0x55555a970d40) = 0x55555a970d40 brk(0x55555a971000) = 0x55555a971000 mprotect(0x7f25e31d0000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 297 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 298 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 299 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 300 ./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 301 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 302 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 303 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555a94f690) = 304 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] write(1, "executing program\n", 18executing program ) = 18 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f25e31726d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f25e3163d50}, NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f25e30d9000 [pid 301] mprotect(0x7f25e30da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30f9990, parent_tid=0x7f25e30f9990, exit_signal=0, stack=0x7f25e30d9000, stack_size=0x20300, tls=0x7f25e30f96c0} => {parent_tid=[305]}, 88) = 305 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4executing program executing program ) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] rt_sigaction(SIGRT_1, {sa_handler=0x7f25e31726d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f25e3163d50}, NULL, 8) = 0 [pid 302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f25e30d9000 [pid 302] mprotect(0x7f25e30da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30f9990, parent_tid=0x7f25e30f9990, exit_signal=0, stack=0x7f25e30d9000, stack_size=0x20300, tls=0x7f25e30f96c0} => {parent_tid=[306]}, 88) = 306 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x55555a94f6a0, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] write(1, "executing program\n", 18) = 18 [pid 303] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] rt_sigaction(SIGRT_1, {sa_handler=0x7f25e31726d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f25e3163d50}, ./strace-static-x86_64: Process 306 attached ./strace-static-x86_64: Process 305 attached ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x55555a94f6a0, 24 [pid 306] set_robust_list(0x7f25e30f99a0, 24 [pid 305] set_robust_list(0x7f25e30f99a0, 24 [pid 306] <... set_robust_list resumed>) = 0 [pid 304] <... set_robust_list resumed>) = 0 [pid 305] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], [pid 305] rt_sigprocmask(SIG_SETMASK, [], [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] <... prctl resumed>) = 0 [pid 303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 306] mknodat(AT_FDCWD, "./file0", 000 [pid 305] mknodat(AT_FDCWD, "./file0", 000 [pid 304] setpgid(0, 0 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... mknodat resumed>) = 0 [pid 305] <... mknodat resumed>) = -1 EEXIST (File exists) [pid 303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... setpgid resumed>) = 0 [pid 305] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 305] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] pipe2( [pid 301] <... futex resumed>) = 0 [pid 305] <... pipe2 resumed>[3, 4], 0) = 0 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 305] <... futex resumed>) = 1 [pid 301] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM [pid 301] <... futex resumed>) = 0 [pid 306] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... socket resumed>) = 5 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... mmap resumed>) = 0x7f25e30d9000 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] io_setup(513, NULL) = -1 EFAULT (Bad address) [pid 305] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] <... futex resumed>) = 1 [pid 305] mount(NULL, "./file0", "9p", MS_NOSUID|MS_NOEXEC|MS_POSIXACL, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," [ 22.472673][ T36] audit: type=1400 audit(1751476976.859:64): avc: denied { execmem } for pid=296 comm="syz-executor327" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.495561][ T36] audit: type=1400 audit(1751476976.879:65): avc: denied { create } for pid=301 comm="syz-executor327" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_xfrm_socket permissive=1 [pid 301] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 304] <... openat resumed>) = 3 [pid 303] mprotect(0x7f25e30da000, 131072, PROT_READ|PROT_WRITE [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] pipe2([3, 4], 0) = 0 [pid 306] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 5 [pid 306] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] io_setup(513, NULL) = -1 EFAULT (Bad address) [pid 306] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mount(NULL, "./file0", "9p", MS_NOSUID|MS_NOEXEC|MS_POSIXACL, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," [pid 304] write(3, "1000", 4 [pid 303] <... mprotect resumed>) = 0 [pid 301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 304] <... write resumed>) = 4 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] close(3 [pid 303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... futex resumed>) = 0 [pid 304] <... close resumed>) = 0 [pid 303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30f9990, parent_tid=0x7f25e30f9990, exit_signal=0, stack=0x7f25e30d9000, stack_size=0x20300, tls=0x7f25e30f96c0} [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ./strace-static-x86_64: Process 308 attached [pid 304] write(1, "executing program\n", 18 [pid 301] <... mmap resumed>) = 0x7f25e30b8000 [pid 304] <... write resumed>) = 18 [pid 303] <... clone3 resumed> => {parent_tid=[308]}, 88) = 308 [pid 301] mprotect(0x7f25e30b9000, 131072, PROT_READ|PROT_WRITE [pid 308] set_robust_list(0x7f25e30f99a0, 24 [pid 304] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... mprotect resumed>) = 0 [pid 308] <... set_robust_list resumed>) = 0 [pid 304] <... futex resumed>) = 0 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], [pid 304] rt_sigaction(SIGRT_1, {sa_handler=0x7f25e31726d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f25e3163d50}, [pid 303] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 308] mknodat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 303] <... futex resumed>) = 0 [pid 301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 308] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30d8990, parent_tid=0x7f25e30d8990, exit_signal=0, stack=0x7f25e30b8000, stack_size=0x20300, tls=0x7f25e30d86c0} [pid 308] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 309 attached [pid 304] <... mmap resumed>) = 0x7f25e30d9000 [pid 303] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... clone3 resumed> => {parent_tid=[309]}, 88) = 309 [pid 309] set_robust_list(0x7f25e30d89a0, 24 [pid 304] mprotect(0x7f25e30da000, 131072, PROT_READ|PROT_WRITE [pid 303] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... set_robust_list resumed>) = 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], [pid 309] rt_sigprocmask(SIG_SETMASK, [], [pid 308] <... futex resumed>) = 0 [pid 304] <... mprotect resumed>) = 0 [pid 301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 308] pipe2([3, 4], 0) = 0 [pid 308] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 308] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] futex(0x7f25e31d63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000100} [pid 303] <... futex resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 309] <... seccomp resumed>) = 0 [pid 303] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30f9990, parent_tid=0x7f25e30f9990, exit_signal=0, stack=0x7f25e30d9000, stack_size=0x20300, tls=0x7f25e30f96c0}./strace-static-x86_64: Process 310 attached [pid 309] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 303] <... futex resumed>) = 1 [pid 301] futex(0x7f25e31d63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] set_robust_list(0x7f25e30f99a0, 24 [pid 308] socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM) = 5 [pid 304] <... clone3 resumed> => {parent_tid=[310]}, 88) = 310 [pid 303] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 202 [pid 310] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] mknodat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 310] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 304] <... futex resumed>) = 0 [pid 310] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = 0 [pid 310] pipe2( [pid 304] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... pipe2 resumed>[3, 4], 0) = 0 [pid 310] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 1 [pid 304] <... futex resumed>) = 0 [pid 310] socket(AF_NETLINK, SOCK_RAW, NETLINK_XFRM [pid 304] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... socket resumed>) = 5 [pid 310] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] io_setup(513, [pid 304] <... futex resumed>) = 0 [pid 310] <... io_setup resumed>NULL) = -1 EFAULT (Bad address) [pid 310] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 0 [pid 304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 310] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... futex resumed>) = 0 [ 22.497232][ T10] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=10 comm=kworker/0:1 [ 22.516713][ T36] audit: type=1400 audit(1751476976.879:66): avc: denied { mounton } for pid=301 comm="syz-executor327" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1 [ 22.533130][ T10] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=10 comm=kworker/0:1 [pid 310] mount(NULL, "./file0", "9p", MS_NOSUID|MS_NOEXEC|MS_POSIXACL, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," [pid 304] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 308] <... futex resumed>) = 1 [pid 303] <... futex resumed>) = 0 [pid 308] futex(0x7f25e31d63e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] <... futex resumed>) = 0 [pid 302] <... futex resumed>) = 0 [pid 308] io_setup(513, [pid 303] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 308] <... io_setup resumed>NULL) = -1 EFAULT (Bad address) [pid 308] futex(0x7f25e31d63ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... mmap resumed>) = 0x7f25e30b8000 [pid 308] <... futex resumed>) = 1 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f25e31d63e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7f25e31d63ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] mount(NULL, "./file0", "9p", MS_NOSUID|MS_NOEXEC|MS_POSIXACL, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," [pid 302] mprotect(0x7f25e30b9000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30d8990, parent_tid=0x7f25e30d8990, exit_signal=0, stack=0x7f25e30b8000, stack_size=0x20300, tls=0x7f25e30d86c0} => {parent_tid=[311]}, 88) = 311 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7f25e31d63f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f25e31d63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x7f25e30d89a0, 24) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000100}) = 0 [pid 311] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000) = 202 [ 22.569669][ T36] audit: type=1326 audit(1751476976.949:67): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=301 comm="syz-executor327" exe="/root/syz-executor3270503584" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f25e314c799 code=0x7dff0000 [ 22.574291][ T10] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=10 comm=kworker/0:1 [ 22.608351][ T45] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=45 comm=kworker/1:1 [pid 304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 304] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f25e30b8000 [pid 304] mprotect(0x7f25e30b9000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30d8990, parent_tid=0x7f25e30d8990, exit_signal=0, stack=0x7f25e30b8000, stack_size=0x20300, tls=0x7f25e30d86c0}./strace-static-x86_64: Process 312 attached => {parent_tid=[312]}, 88) = 312 [pid 312] set_robust_list(0x7f25e30d89a0, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] futex(0x7f25e31d63f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f25e31d63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 312] <... futex resumed>) = 0 [pid 304] <... futex resumed>) = 1 [pid 312] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000100} [pid 304] futex(0x7f25e31d63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... seccomp resumed>) = 0 [pid 312] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000) = 202 [pid 303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 303] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f25e30b8000 [pid 303] mprotect(0x7f25e30b9000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f25e30d8990, parent_tid=0x7f25e30d8990, exit_signal=0, stack=0x7f25e30b8000, stack_size=0x20300, tls=0x7f25e30d86c0}./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x7f25e30d89a0, 24 [pid 303] <... clone3 resumed> => {parent_tid=[313]}, 88) = 313 [pid 313] <... set_robust_list resumed>) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], [pid 313] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] futex(0x7f25e31d63f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000100} [pid 303] <... futex resumed>) = 0 [pid 313] <... seccomp resumed>) = 0 [pid 303] futex(0x7f25e31d63fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] futex(0x7f25e31d63fc, FUTEX_WAKE_PRIVATE, 1000000) = 202 [ 22.611727][ T36] audit: type=1326 audit(1751476976.999:68): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=302 comm="syz-executor327" exe="/root/syz-executor3270503584" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f25e314c799 code=0x7dff0000 [ 22.647978][ T36] audit: type=1326 audit(1751476977.029:69): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=304 comm="syz-executor327" exe="/root/syz-executor3270503584" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f25e314c799 code=0x7dff0000 [ 22.675285][ T36] audit: type=1326 audit(1751476977.059:70): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=root:sysadm_r:sysadm_t pid=303 comm="syz-executor327" exe="/root/syz-executor3270503584" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f25e314c799 code=0x7dff0000 [pid 297] kill(-301, SIGKILL [pid 298] kill(-302, SIGKILL [pid 297] <... kill resumed>) = 0 [pid 297] kill(301, SIGKILL) = 0 [pid 298] <... kill resumed>) = 0 [pid 298] kill(302, SIGKILL) = 0 [pid 299] kill(-303, SIGKILL) = 0 [pid 299] kill(303, SIGKILL [pid 300] kill(-304, SIGKILL [pid 299] <... kill resumed>) = 0 [pid 300] <... kill resumed>) = 0 [pid 300] kill(304, SIGKILL) = 0 [pid 298] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555a950730 /* 2 entries */, 32768) = 48 [pid 298] getdents64(3, 0x55555a950730 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 297] getdents64(3, [pid 298] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555a950730 /* 2 entries */, 32768) = 48 [pid 297] getdents64(3, 0x55555a950730 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 299] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 300] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] <... getdents64 resumed>0x55555a950730 /* 2 entries */, 32768) = 48 [pid 300] newfstatat(3, "", [pid 299] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555a950730 /* 0 entries */, 32768) = 0 [pid 300] getdents64(3, [pid 299] close(3 [pid 300] <... getdents64 resumed>0x55555a950730 /* 2 entries */, 32768) = 48 [pid 299] <... close resumed>) = 0 [pid 300] getdents64(3, 0x55555a950730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [ 62.270011][ T13] sched: DL replenish lagged too much [ 244.670075][ T37] INFO: task syz-executor327:309 blocked for more than 122 seconds. [ 244.678223][ T37] Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 [ 244.685122][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 244.693830][ T37] task:syz-executor327 state:D stack:0 pid:309 tgid:301 ppid:297 flags:0x00004004 [ 244.704042][ T37] Call Trace: [ 244.707317][ T37] [ 244.710273][ T37] __schedule+0x145b/0x1f10 [ 244.715057][ T37] ? __sched_text_start+0x10/0x10 [ 244.720129][ T37] ? kasan_save_track+0x4f/0x80 [ 244.724989][ T37] schedule+0xc6/0x240 [ 244.729056][ T37] schedule_timeout+0xb2/0x3a0 [ 244.733899][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 244.739280][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 244.745034][ T37] ? check_preempt_wakeup_fair+0x886/0xae0 [ 244.750938][ T37] wait_for_common+0x359/0x630 [ 244.755698][ T37] ? wait_for_completion+0x40/0x40 [ 244.760840][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 244.765956][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 244.771528][ T37] wait_for_completion_state+0x19/0x40 [ 244.776989][ T37] do_coredump+0x7cf/0x2bd0 [ 244.781554][ T37] ? stack_depot_save_flags+0x399/0x800 [ 244.787101][ T37] ? save_fpregs_to_fpstate+0x196/0x230 [ 244.792684][ T37] ? kasan_save_track+0x4f/0x80 [ 244.797588][ T37] ? kasan_save_track+0x3e/0x80 [ 244.802483][ T37] ? kasan_save_free_info+0x4a/0x60 [ 244.807698][ T37] ? __kasan_slab_free+0x5f/0x80 [ 244.812674][ T37] ? __cfi_do_coredump+0x10/0x10 [ 244.817972][ T37] ? __kasan_slab_free+0x6a/0x80 [ 244.823029][ T37] ? kmem_cache_free+0x1c1/0x4c0 [ 244.827971][ T37] get_signal+0x11fd/0x14f0 [ 244.832590][ T37] arch_do_signal_or_restart+0x96/0x720 [ 244.838137][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 244.843271][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 244.849428][ T37] ? syscall_exit_work+0x86/0x160 [ 244.854482][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 244.859965][ T37] do_syscall_64+0x64/0xf0 [ 244.864975][ T37] ? clear_bhb_loop+0x50/0xa0 [ 244.869636][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 244.875555][ T37] RIP: 0033:0x7f25e314c799 [ 244.880005][ T37] RSP: 002b:00007f25e30d8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 244.888416][ T37] RAX: 00000000000000ca RBX: 00007f25e31d63f8 RCX: 00007f25e314c799 [ 244.896458][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f25e31d63fc [ 244.904498][ T37] RBP: 00007f25e31d63f0 R08: 0000000000000000 R09: 0000000000000000 [ 244.912517][ T37] R10: 00007ffe6f20b2f7 R11: 0000000000000246 R12: 00007f25e31a307c [ 244.920526][ T37] R13: 000000000000006e R14: 00007ffe6f20b210 R15: 00007ffe6f20b2f8 [ 244.928499][ T37] [ 244.931554][ T37] INFO: task syz-executor327:311 blocked for more than 123 seconds. [ 244.939527][ T37] Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 [ 244.946403][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 244.955170][ T37] task:syz-executor327 state:D stack:0 pid:311 tgid:302 ppid:298 flags:0x00004004 [ 244.965437][ T37] Call Trace: [ 244.968715][ T37] [ 244.971716][ T37] __schedule+0x145b/0x1f10 [ 244.976239][ T37] ? __sched_text_start+0x10/0x10 [ 244.981409][ T37] ? pick_next_task_fair+0x870/0x900 [ 244.989888][ T37] ? _raw_spin_lock+0x8c/0x120 [ 244.994679][ T37] ? _raw_spin_unlock+0x45/0x60 [ 244.999548][ T37] ? finish_task_switch+0x13a/0x780 [ 245.004831][ T37] ? __switch_to_asm+0x3d/0x70 [ 245.009647][ T37] schedule+0xc6/0x240 [ 245.013756][ T37] schedule_timeout+0xb2/0x3a0 [ 245.018532][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 245.023972][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 245.029560][ T37] ? check_preempt_wakeup_fair+0x12e/0xae0 [ 245.035423][ T37] ? update_rq_clock+0x31b/0x7c0 [ 245.040395][ T37] wait_for_common+0x359/0x630 [ 245.045175][ T37] ? wait_for_completion+0x40/0x40 [ 245.050537][ T37] ? preempt_schedule_thunk+0x1a/0x40 [ 245.056030][ T37] wait_for_completion_state+0x19/0x40 [ 245.061605][ T37] do_coredump+0x7cf/0x2bd0 [ 245.066166][ T37] ? stack_depot_save_flags+0x38/0x800 [ 245.071844][ T37] ? save_fpregs_to_fpstate+0x196/0x230 [ 245.077425][ T37] ? kasan_save_track+0x4f/0x80 [ 245.082357][ T37] ? kasan_save_track+0x3e/0x80 [ 245.087242][ T37] ? kasan_save_free_info+0x4a/0x60 [ 245.093219][ T37] ? __kasan_slab_free+0x5f/0x80 [ 245.098176][ T37] ? __cfi_do_coredump+0x10/0x10 [ 245.103240][ T37] ? __kasan_slab_free+0x6a/0x80 [ 245.108279][ T37] ? kmem_cache_free+0x1c1/0x4c0 [ 245.113249][ T37] get_signal+0x11fd/0x14f0 [ 245.117889][ T37] arch_do_signal_or_restart+0x96/0x720 [ 245.123524][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 245.129097][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 245.135484][ T37] ? syscall_exit_work+0x86/0x160 [ 245.140622][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 245.146073][ T37] do_syscall_64+0x64/0xf0 [ 245.150554][ T37] ? clear_bhb_loop+0x50/0xa0 [ 245.155235][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 245.161243][ T37] RIP: 0033:0x7f25e314c799 [ 245.165653][ T37] RSP: 002b:00007f25e30d8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.174269][ T37] RAX: 00000000000000ca RBX: 00007f25e31d63f8 RCX: 00007f25e314c799 [ 245.182266][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f25e31d63fc [ 245.190719][ T37] RBP: 00007f25e31d63f0 R08: 0000000000000000 R09: 0000000000000000 [ 245.198692][ T37] R10: 00007ffe6f20b2f7 R11: 0000000000000246 R12: 00007f25e31a307c [ 245.206914][ T37] R13: 000000000000006e R14: 00007ffe6f20b210 R15: 00007ffe6f20b2f8 [ 245.214963][ T37] [ 245.217976][ T37] INFO: task syz-executor327:313 blocked for more than 123 seconds. [ 245.225985][ T37] Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 [ 245.232850][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 245.241667][ T37] task:syz-executor327 state:D stack:0 pid:313 tgid:303 ppid:299 flags:0x00004004 [ 245.251863][ T37] Call Trace: [ 245.255215][ T37] [ 245.258140][ T37] __schedule+0x145b/0x1f10 [ 245.262711][ T37] ? __sched_text_start+0x10/0x10 [ 245.267822][ T37] ? kasan_save_track+0x4f/0x80 [ 245.272715][ T37] schedule+0xc6/0x240 [ 245.276832][ T37] schedule_timeout+0xb2/0x3a0 [ 245.281720][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 245.287105][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 245.292685][ T37] ? check_preempt_wakeup_fair+0x886/0xae0 [ 245.298494][ T37] wait_for_common+0x359/0x630 [ 245.303623][ T37] ? wait_for_completion+0x40/0x40 [ 245.308732][ T37] ? _raw_spin_lock_irq+0x8d/0x120 [ 245.313866][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 245.319417][ T37] wait_for_completion_state+0x19/0x40 [ 245.324900][ T37] do_coredump+0x7cf/0x2bd0 [ 245.329415][ T37] ? stack_depot_save_flags+0x38/0x800 [ 245.334911][ T37] ? save_fpregs_to_fpstate+0x196/0x230 [ 245.340485][ T37] ? kasan_save_track+0x4f/0x80 [ 245.345320][ T37] ? kasan_save_track+0x3e/0x80 [ 245.350189][ T37] ? kasan_save_free_info+0x4a/0x60 [ 245.355382][ T37] ? __kasan_slab_free+0x5f/0x80 [ 245.360338][ T37] ? __cfi_do_coredump+0x10/0x10 [ 245.365276][ T37] ? __kasan_slab_free+0x6a/0x80 [ 245.370223][ T37] ? kmem_cache_free+0x1c1/0x4c0 [ 245.375161][ T37] get_signal+0x11fd/0x14f0 [ 245.379651][ T37] arch_do_signal_or_restart+0x96/0x720 [ 245.385782][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 245.390944][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 245.397209][ T37] ? syscall_exit_work+0x86/0x160 [ 245.402258][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 245.407729][ T37] do_syscall_64+0x64/0xf0 [ 245.412288][ T37] ? clear_bhb_loop+0x50/0xa0 [ 245.416964][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 245.422887][ T37] RIP: 0033:0x7f25e314c799 [ 245.427297][ T37] RSP: 002b:00007f25e30d8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.435940][ T37] RAX: 00000000000000ca RBX: 00007f25e31d63f8 RCX: 00007f25e314c799 [ 245.444378][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f25e31d63fc [ 245.452424][ T37] RBP: 00007f25e31d63f0 R08: 0000000000000000 R09: 0000000000000000 [ 245.460698][ T37] R10: 00007ffe6f20b2f7 R11: 0000000000000246 R12: 00007f25e31a307c [ 245.468655][ T37] R13: 000000000000006e R14: 00007ffe6f20b210 R15: 00007ffe6f20b2f8 [ 245.476697][ T37] [ 245.479712][ T37] INFO: task syz-executor327:312 blocked for more than 123 seconds. [ 245.487742][ T37] Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 [ 245.494621][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 245.503307][ T37] task:syz-executor327 state:D stack:0 pid:312 tgid:304 ppid:300 flags:0x00004004 [ 245.513514][ T37] Call Trace: [ 245.516781][ T37] [ 245.519690][ T37] __schedule+0x145b/0x1f10 [ 245.524213][ T37] ? __sched_text_start+0x10/0x10 [ 245.529229][ T37] ? pick_next_task_fair+0x870/0x900 [ 245.534533][ T37] ? _raw_spin_lock+0x8c/0x120 [ 245.539319][ T37] ? _raw_spin_unlock+0x45/0x60 [ 245.544232][ T37] ? finish_task_switch+0x13a/0x780 [ 245.549438][ T37] ? __switch_to_asm+0x3d/0x70 [ 245.554254][ T37] schedule+0xc6/0x240 [ 245.558329][ T37] schedule_timeout+0xb2/0x3a0 [ 245.563202][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 245.568575][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 245.574181][ T37] ? check_preempt_wakeup_fair+0x12e/0xae0 [ 245.580038][ T37] ? update_rq_clock+0x31b/0x7c0 [ 245.584969][ T37] wait_for_common+0x359/0x630 [ 245.589730][ T37] ? wait_for_completion+0x40/0x40 [ 245.594873][ T37] ? preempt_schedule_thunk+0x1a/0x40 [ 245.600314][ T37] wait_for_completion_state+0x19/0x40 [ 245.605821][ T37] do_coredump+0x7cf/0x2bd0 [ 245.610407][ T37] ? stack_depot_save_flags+0x38/0x800 [ 245.615877][ T37] ? save_fpregs_to_fpstate+0x196/0x230 [ 245.621680][ T37] ? kasan_save_track+0x4f/0x80 [ 245.626735][ T37] ? kasan_save_track+0x3e/0x80 [ 245.631647][ T37] ? kasan_save_free_info+0x4a/0x60 [ 245.636849][ T37] ? __kasan_slab_free+0x5f/0x80 [ 245.641811][ T37] ? __cfi_do_coredump+0x10/0x10 [ 245.647022][ T37] ? __kasan_slab_free+0x6a/0x80 [ 245.651981][ T37] ? kmem_cache_free+0x1c1/0x4c0 [ 245.656928][ T37] get_signal+0x11fd/0x14f0 [ 245.661533][ T37] arch_do_signal_or_restart+0x96/0x720 [ 245.667107][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 245.672300][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 245.678478][ T37] ? syscall_exit_work+0x86/0x160 [ 245.683527][ T37] syscall_exit_to_user_mode+0x58/0xb0 [ 245.689010][ T37] do_syscall_64+0x64/0xf0 [ 245.693588][ T37] ? clear_bhb_loop+0x50/0xa0 [ 245.698290][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 245.704213][ T37] RIP: 0033:0x7f25e314c799 [ 245.708630][ T37] RSP: 002b:00007f25e30d8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.717113][ T37] RAX: 00000000000000ca RBX: 00007f25e31d63f8 RCX: 00007f25e314c799 [ 245.725121][ T37] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f25e31d63fc [ 245.733149][ T37] RBP: 00007f25e31d63f0 R08: 0000000000000000 R09: 0000000000000000 [ 245.741418][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f25e31a307c [ 245.749697][ T37] R13: 000000000000006e R14: 00007ffe6f20b210 R15: 00007ffe6f20b2f8 [ 245.757738][ T37] [ 245.760800][ T37] NMI backtrace for cpu 1 [ 245.760812][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 d09897295957ba49fce5d3909215422667ca3e4a [ 245.760830][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.760837][ T37] Call Trace: [ 245.760841][ T37] [ 245.760845][ T37] __dump_stack+0x21/0x30 [ 245.760863][ T37] dump_stack_lvl+0x10c/0x190 [ 245.760874][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 245.760887][ T37] dump_stack+0x19/0x20 [ 245.760898][ T37] nmi_cpu_backtrace+0x2bf/0x2d0 [ 245.760913][ T37] ? rcu_read_unlock_special+0xab/0x480 [ 245.760924][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 245.760938][ T37] ? sched_show_task+0x379/0x560 [ 245.760950][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 245.760959][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 245.760971][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 245.760982][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 245.760997][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 245.761008][ T37] watchdog+0xd8f/0xed0 [ 245.761020][ T37] ? __cfi_watchdog+0x10/0x10 [ 245.761030][ T37] ? __kasan_check_read+0x15/0x20 [ 245.761043][ T37] ? __kthread_parkme+0x138/0x180 [ 245.761056][ T37] ? schedule+0xc6/0x240 [ 245.761067][ T37] kthread+0x2ca/0x370 [ 245.761081][ T37] ? __cfi_watchdog+0x10/0x10 [ 245.761091][ T37] ? __cfi_kthread+0x10/0x10 [ 245.761105][ T37] ret_from_fork+0x64/0xa0 [ 245.761117][ T37] ? __cfi_kthread+0x10/0x10 [ 245.761131][ T37] ret_from_fork_asm+0x1a/0x30 [ 245.761144][ T37] [ 245.761148][ T37] Sending NMI from CPU 1 to CPUs 0: [ 245.921422][ C0] NMI backtrace for cpu 0 [ 245.921439][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.30-syzkaller-gc40c54e66959 #0 d09897295957ba49fce5d3909215422667ca3e4a [ 245.921460][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.921470][ C0] RIP: 0010:pv_native_safe_halt+0x17/0x20 [ 245.921495][ C0] Code: cc cc cc b8 92 3c d1 e8 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 bc 41 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 c3 59 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 [ 245.921508][ C0] RSP: 0018:ffffffff87207da0 EFLAGS: 000002c6 [ 245.921522][ C0] RAX: ffff8881f6e00000 RBX: ffffffff87215540 RCX: ffffffff8585900e [ 245.921534][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000015334 [ 245.921543][ C0] RBP: ffffffff87207da0 R08: ffff8881f6e39733 R09: 1ffff1103edc72e6 [ 245.921554][ C0] R10: dffffc0000000000 R11: ffffed103edc72e7 R12: 1ffffffff0e42aa8 [ 245.921566][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87ca72e8 [ 245.921576][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 245.921588][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 245.921599][ C0] CR2: 000055555a94f370 CR3: 000000010b704000 CR4: 00000000003526b0 [ 245.921614][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 245.921623][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 245.921632][ C0] Call Trace: [ 245.921638][ C0] [ 245.921645][ C0] default_idle+0x17/0x30 [ 245.921666][ C0] arch_cpu_idle+0xd/0x20 [ 245.921685][ C0] default_idle_call+0x3f/0x80 [ 245.921704][ C0] do_idle+0x1a0/0x470 [ 245.921725][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 245.921748][ C0] cpu_startup_entry+0x48/0x70 [ 245.921768][ C0] rest_init+0x10b/0x130 [ 245.921788][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 245.921805][ C0] start_kernel+0x46a/0x4bb [ 245.921826][ C0] x86_64_start_reservations+0x2e/0x30 [ 245.921841][ C0] x86_64_start_kernel+0x6a/0x7b [ 245.921863][ C0] common_startup_64+0x13b/0x157 [ 245.921882][ C0]