./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor220325243 <...> forked to background, child pid 4648 no interfaces have a carrier [ 45.439857][ T4649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.472905][ T4649] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.161' (ECDSA) to the list of known hosts. execve("./syz-executor220325243", ["./syz-executor220325243"], 0x7ffdfc8750d0 /* 10 vars */) = 0 brk(NULL) = 0x555556c52000 brk(0x555556c52c40) = 0x555556c52c40 arch_prctl(ARCH_SET_FS, 0x555556c52300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555556c525d0) = 5074 set_robust_list(0x555556c525e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fdbae61f210, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fdbae61f8e0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fdbae61f2b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdbae61f8e0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor220325243", 4096) = 27 brk(0x555556c73c40) = 0x555556c73c40 brk(0x555556c74000) = 0x555556c74000 mprotect(0x7fdbae6e0000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached , child_tidptr=0x555556c525d0) = 5075 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] set_robust_list(0x555556c525e0, 24) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5074] <... clone resumed>, child_tidptr=0x555556c525d0) = 5076 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] set_robust_list(0x555556c525e0, 24./strace-static-x86_64: Process 5077 attached ) = 0 ./strace-static-x86_64: Process 5078 attached [pid 5074] <... clone resumed>, child_tidptr=0x555556c525d0) = 5077 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x555556c525d0) = 5078 [pid 5077] set_robust_list(0x555556c525e0, 24 [pid 5078] set_robust_list(0x555556c525e0, 24) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556c525d0) = 5079 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x555556c525d0) = 5080 [pid 5078] setpgid(0, 0) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4./strace-static-x86_64: Process 5079 attached ./strace-static-x86_64: Process 5080 attached [pid 5074] <... clone resumed>, child_tidptr=0x555556c525d0) = 5081 [pid 5077] <... clone resumed>, child_tidptr=0x555556c525d0) = 5082 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... write resumed>) = 4 [pid 5078] close(3) = 0 [pid 5079] set_robust_list(0x555556c525e0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555556c525d0) = 5083 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5080] set_robust_list(0x555556c525e0, 24./strace-static-x86_64: Process 5081 attached ) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5082 attached ./strace-static-x86_64: Process 5083 attached [pid 5081] set_robust_list(0x555556c525e0, 24 [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x555556c525d0) = 5084 [pid 5078] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5082] set_robust_list(0x555556c525e0, 24 [pid 5080] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5083] set_robust_list(0x555556c525e0, 24 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5078] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5084] set_robust_list(0x555556c525e0, 24 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5085 attached [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... prctl resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x555556c525d0) = 5085 [pid 5078] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5084] setpgid(0, 0 [pid 5080] write(3, "1000", 4 [pid 5082] setpgid(0, 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x555556c525d0) = 5086 [pid 5080] <... write resumed>) = 4 [pid 5082] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] close(3 [pid 5078] <... clone resumed>, parent_tid=[5087], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5087 [pid 5086] set_robust_list(0x555556c525e0, 24 [pid 5084] <... openat resumed>) = 3 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... close resumed>) = 0 [pid 5078] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5087 attached [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] set_robust_list(0x555556c525e0, 24 [pid 5084] write(3, "1000", 4 [pid 5078] <... futex resumed>) = 0 [pid 5087] set_robust_list(0x7fdbae60f9e0, 24 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] <... write resumed>) = 4 [pid 5082] <... openat resumed>) = 3 [pid 5080] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] <... prctl resumed>) = 0 [pid 5084] close(3 [pid 5082] write(3, "1000", 4 [pid 5080] <... futex resumed>) = 0 [pid 5087] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5086] setpgid(0, 0 [pid 5084] <... close resumed>) = 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... write resumed>) = 4 [pid 5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... prctl resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5082] close(3 [pid 5080] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5086] <... openat resumed>) = 3 [pid 5085] setpgid(0, 0 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... close resumed>) = 0 [pid 5080] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5086] write(3, "1000", 4 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5082] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... mprotect resumed>) = 0 [pid 5086] <... write resumed>) = 4 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... futex resumed>) = 0 [pid 5080] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5086] close(3 [pid 5085] <... openat resumed>) = 3 [pid 5084] <... mprotect resumed>) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] <... close resumed>) = 0 [pid 5085] write(3, "1000", 4 [pid 5084] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5080] <... clone resumed>, parent_tid=[5088], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5088 ./strace-static-x86_64: Process 5088 attached [pid 5086] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... write resumed>) = 4 [pid 5082] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5080] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] set_robust_list(0x7fdbae60f9e0, 24 [pid 5086] <... futex resumed>) = 0 [pid 5085] close(3 [pid 5084] <... clone resumed>, parent_tid=[5089], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5089 [pid 5082] <... mprotect resumed>) = 0 [pid 5080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5089 attached [pid 5088] <... set_robust_list resumed>) = 0 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5085] <... close resumed>) = 0 [pid 5084] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] set_robust_list(0x7fdbae60f9e0, 24 [pid 5088] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5086] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5085] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5082] <... clone resumed>, parent_tid=[5090], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5090 [pid 5089] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5086] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5084] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... mmap resumed>) = 0x7fdbae5ef000 [pid 5082] <... futex resumed>) = 0 [pid 5085] mprotect(0x7fdbae5f0000, 131072, PROT_READ|PROT_WRITE [pid 5082] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... mprotect resumed>) = 0 [pid 5086] <... mprotect resumed>) = 0 [pid 5086] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5085] clone(child_stack=0x7fdbae60f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5086] <... clone resumed>, parent_tid=[5091], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5091 [pid 5085] <... clone resumed>, parent_tid=[5092], tls=0x7fdbae60f700, child_tidptr=0x7fdbae60f9d0) = 5092 [pid 5078] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5090 attached [pid 5086] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5092 attached [pid 5090] set_robust_list(0x7fdbae60f9e0, 24 [pid 5092] set_robust_list(0x7fdbae60f9e0, 24 [pid 5090] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5091 attached [pid 5092] <... set_robust_list resumed>) = 0 [pid 5090] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5092] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5091] set_robust_list(0x7fdbae60f9e0, 24) = 0 [pid 5091] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSDOWN|0xb635773f00ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5084] <... futex resumed>) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5078] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5087] <... mmap resumed>) = 0x20000000 [pid 5078] <... mprotect resumed>) = 0 [pid 5087] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5087] <... futex resumed>) = 0 [pid 5087] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... clone resumed>, parent_tid=[5093], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5093 [pid 5078] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x7fdbae5ee9e0, 24) = 0 [pid 5093] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 5084] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5093] write(3, "3", 1 [pid 5084] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5093] <... write resumed>) = 1 [pid 5093] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5084] <... mprotect resumed>) = 0 [pid 5089] <... mmap resumed>) = 0x20000000 [pid 5086] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5084] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5089] <... futex resumed>) = 0 [pid 5086] <... mprotect resumed>) = 0 [pid 5084] <... clone resumed>, parent_tid=[5094], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5094 ./strace-static-x86_64: Process 5094 attached [pid 5091] <... mmap resumed>) = 0x20000000 [pid 5090] <... mmap resumed>) = 0x20000000 [pid 5089] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5084] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5094] set_robust_list(0x7fdbae5ee9e0, 24 [pid 5091] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5082] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5094] <... set_robust_list resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5086] <... clone resumed>, parent_tid=[5095], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5095 [pid 5084] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... mprotect resumed>) = 0 [pid 5078] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5091] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 0 [pid 5086] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... futex resumed>) = 1 [pid 5094] <... openat resumed>) = 3 [pid 5088] <... mmap resumed>) = 0x20000000 [pid 5087] madvise(0x2019e000, 2097152, MADV_REMOVE [pid 5086] <... futex resumed>) = 0 [pid 5080] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5078] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5095 attached [pid 5094] write(3, "3", 1 [pid 5088] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5095] set_robust_list(0x7fdbae5ee9e0, 24 [pid 5094] <... write resumed>) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5086] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... clone resumed>, parent_tid=[5096], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5096 [pid 5080] <... mprotect resumed>) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5094] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5088] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5096 attached [pid 5095] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5096] set_robust_list(0x7fdbae5ee9e0, 24 [pid 5095] <... openat resumed>) = 3 [pid 5085] <... mmap resumed>) = 0x7fdbae5ce000 [pid 5080] <... clone resumed>, parent_tid=[5097], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5097 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] write(3, "3", 1 [pid 5085] mprotect(0x7fdbae5cf000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... futex resumed>) = 0 [pid 5080] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5096] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5095] <... write resumed>) = 1 [pid 5085] <... mprotect resumed>) = 0 [pid 5082] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5096] <... openat resumed>) = 3 [pid 5095] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5093] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... mmap resumed>) = 0x20000000 [pid 5085] clone(child_stack=0x7fdbae5ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5098 attached [pid 5097] set_robust_list(0x7fdbae5ee9e0, 24 [pid 5096] write(3, "3", 1 [pid 5094] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5093] <... futex resumed>) = 0 [pid 5092] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... madvise resumed>) = 0 [pid 5084] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] set_robust_list(0x7fdbae5ee9e0, 24 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... write resumed>) = 1 [pid 5094] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7fdbae6e64b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... futex resumed>) = 0 [pid 5087] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... clone resumed>, parent_tid=[5098], tls=0x7fdbae5ee700, child_tidptr=0x7fdbae5ee9d0) = 5098 [pid 5084] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5096] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5094] <... futex resumed>) = 0 [pid 5092] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... futex resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5085] futex(0x7fdbae6e64b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5097] <... openat resumed>) = 3 [pid 5095] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5094] futex(0x7fdbae6e64b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] madvise(0x2019e000, 2097152, MADV_REMOVE [pid 5087] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] exit_group(0 [pid 5098] <... openat resumed>) = 3 [pid 5097] write(3, "3", 1 [pid 5096] <... madvise resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5095] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = ? [pid 5089] <... madvise resumed>) = 0 [pid 5087] <... futex resumed>) = ? [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] futex(0x7fdbae6e64bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... exit_group resumed>) = ? [pid 5098] write(3, "3", 1 [pid 5097] <... write resumed>) = 1 [pid 5096] futex(0x7fdbae6e64bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5093] +++ exited with 0 +++ [pid 5089] futex(0x7fdbae6e64ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] +++ exited with 0 +++ [pid 5086] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... write resumed>) = 1 [pid 5097] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fdbae6e64b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 1 [pid 5084] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5096] futex(0x7fdbae6e64b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] madvise(0x2019e000, 2097152, MADV_REMOVE [pid 5089] futex(0x7fdbae6e64a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] exit_group(0 [pid 5082] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = ? [pid 5090] <... futex resumed>) = 0 [pid 5084] <... exit_group resumed>) = ? [pid 5082] <... futex resumed>) = 1 [pid 5080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] futex(0x7fdbae6e64a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] +++ exited with 0 +++ [pid 5090] madvise(0x2019e000, 2097152, MADV_REMOVE [pid 5088] <... futex resumed>) = 0 [pid 5082] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 1 [pid 5080] futex(0x7fdbae6e64ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] madvise(0x2019e000, 2097152, MADV_REMOVE [pid 5089] <... futex resumed>) = ? syzkaller login: [ 68.748682][ T5097] ------------[ cut here ]------------ [ 68.754738][ T5097] kernel BUG at mm/khugepaged.c:1823! [ 68.760237][ T5097] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 68.766350][ T5097] CPU: 1 PID: 5097 Comm: syz-executor220 Not tainted 6.2.0-syzkaller-13154-g857f1268a591 #0 [ 68.776516][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 68.786576][ T5097] RIP: 0010:hpage_collapse_scan_file+0x67c8/0x7580 [ 68.793100][ T5097] Code: 00 00 89 de e8 c9 66 a3 ff 31 ff 89 de e8 c0 66 a3 ff 45 84 f6 0f 85 28 0d 00 00 e8 22 64 a3 ff e9 dc f7 ff ff e8 18 64 a3 ff <0f> 0b f3 0f 1e fa e8 0d 64 a3 ff e9 93 f6 ff ff f3 0f 1e fa 4c 89 [ 68.812779][ T5097] RSP: 0018:ffffc90003dff4e0 EFLAGS: 00010093 [ 68.818832][ T5097] RAX: ffffffff81e95988 RBX: 00000000000001c1 RCX: ffff8880205b3a80 [ 68.826813][ T5097] RDX: 0000000000000000 RSI: 00000000000001c0 RDI: 00000000000001c1 [ 68.834795][ T5097] RBP: ffffc90003dff830 R08: ffffffff81e90e67 R09: fffffbfff1a433c3 [ 68.842760][ T5097] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 68.850719][ T5097] R13: ffffc90003dff6c0 R14: 00000000000001c0 R15: 0000000000000000 [ 68.858701][ T5097] FS: 00007fdbae5ee700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 68.867615][ T5097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.874201][ T5097] CR2: 00007fdbae6901e0 CR3: 000000007b2dd000 CR4: 00000000003506e0 [ 68.882164][ T5097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.890123][ T5097] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.898095][ T5097] Call Trace: [ 68.901381][ T5097] [ 68.904318][ T5097] ? hugepage_vma_revalidate+0x310/0x310 [ 68.909965][ T5097] ? rcu_read_lock_sched_held+0x8d/0x130 [ 68.915599][ T5097] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 68.921577][ T5097] ? __flush_work+0x148/0x1b0 [ 68.926350][ T5097] ? __lock_acquire+0x1f80/0x1f80 [ 68.931365][ T5097] ? __up_read+0x2bd/0x690 [ 68.935793][ T5097] madvise_collapse+0x721/0xf50 [ 68.940650][ T5097] ? current_is_khugepaged+0x30/0x30 [ 68.945946][ T5097] ? __down_read_common+0x184/0x2c0 [ 68.951159][ T5097] ? blk_start_plug+0x99/0x110 [ 68.955938][ T5097] do_madvise+0x9e5/0x4680 [ 68.960355][ T5097] ? __lock_acquire+0x125b/0x1f80 [ 68.965371][ T5097] ? madvise_set_anon_name+0x4e0/0x4e0 [ 68.970821][ T5097] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 68.976810][ T5097] ? ptrace_notify+0x278/0x380 [ 68.981654][ T5097] ? rcu_read_lock_sched_held+0x8d/0x130 [ 68.987282][ T5097] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 68.993306][ T5097] ? __rwlock_init+0x150/0x150 [ 68.998070][ T5097] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 69.004040][ T5097] ? print_irqtrace_events+0x220/0x220 [ 69.009591][ T5097] ? ptrace_stop+0x75a/0x970 [ 69.014180][ T5097] ? do_raw_spin_unlock+0x13b/0x8b0 [ 69.019390][ T5097] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.024610][ T5097] ? lockdep_hardirqs_on+0x98/0x140 [ 69.029805][ T5097] ? _raw_spin_unlock_irq+0x2e/0x50 [ 69.035017][ T5097] ? ptrace_notify+0x278/0x380 [ 69.039809][ T5097] ? do_notify_parent+0xf50/0xf50 [ 69.044845][ T5097] ? print_irqtrace_events+0x220/0x220 [ 69.050323][ T5097] ? syscall_enter_from_user_mode+0x32/0x2c0 [ 69.056300][ T5097] __x64_sys_madvise+0xa5/0xb0 [ 69.061055][ T5097] do_syscall_64+0x41/0xc0 [ 69.065474][ T5097] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.071381][ T5097] RIP: 0033:0x7fdbae65dc39 [ 69.075790][ T5097] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.095394][ T5097] RSP: 002b:00007fdbae5ee2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 69.103920][ T5097] RAX: ffffffffffffffda RBX: 00007fdbae6e64b8 RCX: 00007fdbae65dc39 [ 69.111892][ T5097] RDX: 0000000000000019 RSI: 000000000060005f RDI: 0000000020000000 [ 69.119856][ T5097] RBP: 00007fdbae6e64b0 R08: 0000000000000001 R09: 0000000000000033 [ 69.127831][ T5097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbae5ee300 [ 69.135979][ T5097] R13: 0000000000000001 R14: 00007fdbae5ee400 R15: 0000000000022000 [ 69.144065][ T5097] [ 69.147123][ T5097] Modules linked in: [ 69.151128][ T5097] ---[ end trace 0000000000000000 ]--- [ 69.156590][ T5097] RIP: 0010:hpage_collapse_scan_file+0x67c8/0x7580 [ 69.163121][ T5097] Code: 00 00 89 de e8 c9 66 a3 ff 31 ff 89 de e8 c0 66 a3 ff 45 84 f6 0f 85 28 0d 00 00 e8 22 64 a3 ff e9 dc f7 ff ff e8 18 64 a3 ff <0f> 0b f3 0f 1e fa e8 0d 64 a3 ff e9 93 f6 ff ff f3 0f 1e fa 4c 89 [ 69.182731][ T5097] RSP: 0018:ffffc90003dff4e0 EFLAGS: 00010093 [ 69.188806][ T5097] RAX: ffffffff81e95988 RBX: 00000000000001c1 RCX: ffff8880205b3a80 [ 69.196865][ T5097] RDX: 0000000000000000 RSI: 00000000000001c0 RDI: 00000000000001c1 [ 69.204841][ T5097] RBP: ffffc90003dff830 R08: ffffffff81e90e67 R09: fffffbfff1a433c3 [ 69.212814][ T5097] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 69.220793][ T5097] R13: ffffc90003dff6c0 R14: 00000000000001c0 R15: 0000000000000000 [ 69.228767][ T5097] FS: 00007fdbae5ee700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 69.237694][ T5097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.244288][ T5097] CR2: 00007fdbae6901e0 CR3: 000000007b2dd000 CR4: 00000000003506e0 [ 69.252260][ T5097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.260240][ T5097] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.268221][ T5097] Kernel panic - not syncing: Fatal exception [ 70.402144][ T5097] Shutting down cpus with NMI [ 70.407764][ T5097] Kernel Offset: disabled [ 70.412140][ T5097] Rebooting in 86400 seconds..