./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1679739006 <...> Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. execve("./syz-executor1679739006", ["./syz-executor1679739006"], 0x7ffdc7dccde0 /* 10 vars */) = 0 brk(NULL) = 0x555555632000 brk(0x555555632c40) = 0x555555632c40 arch_prctl(ARCH_SET_FS, 0x555555632300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555556325d0) = 5062 set_robust_list(0x5555556325e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7eff87684220, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7eff876848f0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7eff876842c0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7eff876848f0}, 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-executor1679739006", 4096) = 28 brk(0x555555653c40) = 0x555555653c40 brk(0x555555654000) = 0x555555654000 mprotect(0x7eff87745000, 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, child_tidptr=0x5555556325d0) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x5555556325e0, 24 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... set_robust_list resumed>) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556325d0) = 5065 [pid 5062] <... clone resumed>, child_tidptr=0x5555556325d0) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached [pid 5065] set_robust_list(0x5555556325e0, 24) = 0 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setpgid(0, 0) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x5555556325d0) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] set_robust_list(0x5555556325e0, 24 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... clone resumed>, child_tidptr=0x5555556325d0) = 5067 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... openat resumed>) = 3 [pid 5065] write(3, "1000", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5068 attached [pid 5062] <... clone resumed>, child_tidptr=0x5555556325d0) = 5068 [pid 5066] set_robust_list(0x5555556325e0, 24 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... mmap resumed>) = 0x7eff87654000 [pid 5065] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5065] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5070], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5070 [pid 5065] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... clone resumed>, child_tidptr=0x5555556325d0) = 5071 [pid 5068] set_robust_list(0x5555556325e0, 24 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556325d0) = 5069 ./strace-static-x86_64: Process 5071 attached ./strace-static-x86_64: Process 5069 attached [pid 5068] <... set_robust_list resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x5555556325e0, 24) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x5555556325d0) = 5072 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x5555556325e0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x5555556325d0) = 5073 [pid 5067] <... clone resumed>, child_tidptr=0x5555556325d0) = 5074 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] set_robust_list(0x5555556325e0, 24./strace-static-x86_64: Process 5072 attached ) = 0 [pid 5072] set_robust_list(0x5555556325e0, 24) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... setpgid resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5073 attached [pid 5071] <... clone resumed>, child_tidptr=0x5555556325d0) = 5075 ./strace-static-x86_64: Process 5070 attached [pid 5072] setpgid(0, 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] write(3, "1000", 4 [pid 5070] set_robust_list(0x7eff876749e0, 24 [pid 5069] <... write resumed>) = 4 ./strace-static-x86_64: Process 5075 attached [pid 5073] set_robust_list(0x5555556325e0, 24 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5069] <... futex resumed>) = 0 [pid 5075] set_robust_list(0x5555556325e0, 24 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... prctl resumed>) = 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5073] setpgid(0, 0 [pid 5069] <... mmap resumed>) = 0x7eff87654000 [pid 5073] <... setpgid resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... openat resumed>) = 3 [pid 5069] <... mprotect resumed>) = 0 [pid 5072] write(3, "1000", 4 [pid 5069] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5072] <... write resumed>) = 4 [pid 5072] close(3) = 0 [pid 5072] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5074 attached ) = 0x7eff87654000 [pid 5069] <... clone resumed>, parent_tid=[5076], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5076 ./strace-static-x86_64: Process 5076 attached [pid 5075] <... prctl resumed>) = 0 [pid 5074] set_robust_list(0x5555556325e0, 24 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE [pid 5069] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] setpgid(0, 0 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5072] <... mprotect resumed>) = 0 [pid 5076] set_robust_list(0x7eff876749e0, 24 [pid 5075] <... setpgid resumed>) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... openat resumed>) = 3 [pid 5072] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5069] <... futex resumed>) = 0 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... prctl resumed>) = 0 [pid 5073] write(3, "1000", 4 [pid 5069] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5074] setpgid(0, 0 [pid 5072] <... clone resumed>, parent_tid=[5077], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5077 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... setpgid resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5072] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... futex resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7eff87654000 [pid 5074] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5078], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5078 [pid 5074] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x7eff876749e0, 24) = 0 [pid 5078] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5073] close(3 [pid 5075] write(3, "1000", 4 [pid 5073] <... close resumed>) = 0 [pid 5075] <... write resumed>) = 4 [pid 5073] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] close(3) = 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7eff87654000 [pid 5075] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] <... mmap resumed>) = 0x7eff87654000 [pid 5075] mprotect(0x7eff87655000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5073] <... clone resumed>, parent_tid=[5079], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5079 [pid 5075] clone(child_stack=0x7eff876743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5073] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... clone resumed>, parent_tid=[5080], tls=0x7eff87674700, child_tidptr=0x7eff876749d0) = 5080 [pid 5073] <... futex resumed>) = 0 [pid 5075] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 0 [pid 5075] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x7eff876749e0, 24) = 0 [pid 5079] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000./strace-static-x86_64: Process 5080 attached [pid 5080] set_robust_list(0x7eff876749e0, 24) = 0 [pid 5080] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] set_robust_list(0x7eff876749e0, 24) = 0 [pid 5077] mmap(0x20000000, 11755520, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0x2000 [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5073] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7eff8774b4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] <... mmap resumed>) = 0x20000000 [pid 5065] <... mmap resumed>) = 0x7eff87633000 [pid 5070] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... futex resumed>) = 0 [pid 5065] <... mprotect resumed>) = 0 [pid 5065] clone(child_stack=0x7eff876533f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5070] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... clone resumed>, parent_tid=[5081], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5081 [pid 5065] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5081 attached [pid 5076] <... mmap resumed>) = 0x20000000 [pid 5074] <... mmap resumed>) = 0x7eff87633000 [pid 5069] <... mmap resumed>) = 0x7eff87633000 [pid 5074] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE [pid 5081] set_robust_list(0x7eff876539e0, 24 [pid 5076] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... mprotect resumed>) = 0 [pid 5069] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE [pid 5074] clone(child_stack=0x7eff876533f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... set_robust_list resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, parent_tid=[5082], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5082 [pid 5069] <... mprotect resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5076] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] clone(child_stack=0x7eff876533f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x7eff876539e0, 24 [pid 5081] <... openat resumed>) = 3 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5069] <... clone resumed>, parent_tid=[5083], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5083 [pid 5081] write(3, "4", 1 [pid 5069] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5082] write(3, "4", 1 [pid 5081] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5069] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... write resumed>) = 1 [pid 5082] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5078] <... mmap resumed>) = 0x20000000 [pid 5078] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... mmap resumed>) = 0x20000000 [pid 5075] <... mmap resumed>) = 0x7eff87633000 [pid 5075] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] clone(child_stack=0x7eff876533f0, 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 5083 attached , parent_tid=[5084], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5084 [pid 5075] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] set_robust_list(0x7eff876539e0, 24./strace-static-x86_64: Process 5084 attached ) = 0 [pid 5073] <... mmap resumed>) = 0x7eff87633000 [pid 5084] set_robust_list(0x7eff876539e0, 24 [pid 5083] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5079] <... mmap resumed>) = 0x20000000 [pid 5073] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE [pid 5080] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5080] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5073] <... mprotect resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5073] clone(child_stack=0x7eff876533f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5084] <... openat resumed>) = 3 [pid 5079] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5084] write(3, "4", 1 [pid 5083] write(3, "4", 1 [pid 5073] <... clone resumed>, parent_tid=[5085], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5085 [pid 5084] <... write resumed>) = 1 [pid 5083] <... write resumed>) = 1 [pid 5084] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5083] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5073] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5065] <... futex resumed>) = 1 [pid 5070] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5065] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... mmap resumed>) = 0x7eff87633000 [pid 5072] mprotect(0x7eff87634000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] <... mprotect resumed>) = 0 [pid 5074] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5072] clone(child_stack=0x7eff876533f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, parent_tid=[5086], tls=0x7eff87653700, child_tidptr=0x7eff876539d0) = 5086 [pid 5078] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5072] futex(0x7eff8774b4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5074] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] futex(0x7eff8774b4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 1 [pid 5076] madvise(0x20000000, 12583684, MADV_PAGEOUT [pid 5069] futex(0x7eff8774b4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x7eff876539e0, 24) = 0 [pid 5077] <... mmap resumed>) = 0x20000000 [pid 5085] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5077] futex(0x7eff8774b4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7eff8774b4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... openat resumed>) = 3 [pid 5085] write(3, "4", 1) = 1 [pid 5085] madvise(0x20000000, 6291551, 0x19 /* MADV_??? */ [pid 5075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5075] futex(0x7eff8774b4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 1 [ 45.868138][ T5083] ------------[ cut here ]------------ [ 45.874074][ T5083] kernel BUG at mm/khugepaged.c:1792! [ 45.879454][ T5083] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.885512][ T5083] CPU: 0 PID: 5083 Comm: syz-executor167 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0 [ 45.895921][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 45.905980][ T5083] RIP: 0010:collapse_file+0x3707/0x57d0 [ 45.911557][ T5083] Code: ff 48 c7 c2 e0 13 5a 8a be ce 00 00 00 48 c7 c7 40 14 5a 8a c6 05 43 aa 88 0c 01 e8 9a 15 eb 07 e9 8a e1 ff ff e8 29 63 ac ff <0f> 0b e8 22 63 ac ff 48 8b 7c 24 30 4c 89 fe e8 a5 22 e8 07 48 89 [ 45.931167][ T5083] RSP: 0018:ffffc90003c6f810 EFLAGS: 00010093 [ 45.937231][ T5083] RAX: 0000000000000000 RBX: 0000000000000180 RCX: 0000000000000000 [ 45.945196][ T5083] RDX: ffff88802a920000 RSI: ffffffff81d4fec7 RDI: 0000000000000006 [ 45.953163][ T5083] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000180 [ 45.961120][ T5083] R10: 0000000000000181 R11: 0000000000000000 R12: 0000000000000181 [ 45.969078][ T5083] R13: 0000000000000043 R14: ffff888021c3d510 R15: dffffc0000000000 [ 45.977058][ T5083] FS: 00007eff87653700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 45.985977][ T5083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.992548][ T5083] CR2: 00007eff876f51f0 CR3: 0000000022435000 CR4: 0000000000350ef0 [ 46.000512][ T5083] Call Trace: [ 46.003774][ T5083] [ 46.006692][ T5083] ? mark_held_locks+0x71/0xe0 [ 46.011452][ T5083] ? hpage_collapse_scan_pmd+0x1fe0/0x1fe0 [ 46.017257][ T5083] ? find_held_lock+0x2d/0x110 [ 46.022026][ T5083] ? hpage_collapse_scan_file+0x2c3/0x18e0 [ 46.027840][ T5083] ? xas_find+0x302/0x7d0 [ 46.032175][ T5083] hpage_collapse_scan_file+0xdba/0x18e0 [ 46.037809][ T5083] ? collapse_file+0x57d0/0x57d0 [ 46.042746][ T5083] madvise_collapse+0x52f/0xb70 [ 46.047598][ T5083] ? current_is_khugepaged+0x30/0x30 [ 46.052882][ T5083] madvise_vma_behavior+0x63d/0x2020 [ 46.058164][ T5083] ? madvise_vma_anon_name+0xf0/0xf0 [ 46.063446][ T5083] ? mas_walk+0x4bd/0x6c0 [ 46.067774][ T5083] ? find_vma_prev+0xe4/0x160 [ 46.072443][ T5083] ? vm_unmapped_area+0x760/0x760 [ 46.077459][ T5083] ? lock_release+0x810/0x810 [ 46.082130][ T5083] madvise_walk_vmas+0x1c7/0x2b0 [ 46.087067][ T5083] ? madvise_vma_anon_name+0xf0/0xf0 [ 46.092350][ T5083] ? __remove_memory+0x40/0x40 [ 46.097108][ T5083] ? find_held_lock+0x2d/0x110 [ 46.101868][ T5083] do_madvise.part.0+0x24a/0x340 [ 46.106805][ T5083] ? madvise_pageout+0x520/0x520 [ 46.111739][ T5083] ? _raw_spin_unlock_irq+0x23/0x50 [ 46.116928][ T5083] ? lockdep_hardirqs_on+0x7d/0x100 [ 46.122119][ T5083] __x64_sys_madvise+0x117/0x150 [ 46.127062][ T5083] ? syscall_trace_enter.constprop.0+0xb0/0x250 [ 46.133311][ T5083] do_syscall_64+0x39/0xb0 [ 46.137731][ T5083] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.143613][ T5083] RIP: 0033:0x7eff876c2c49 [ 46.148011][ T5083] 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 [ 46.167611][ T5083] RSP: 002b:00007eff876532f8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 46.176010][ T5083] RAX: ffffffffffffffda RBX: 00007eff8774b4b8 RCX: 00007eff876c2c49 [ 46.183970][ T5083] RDX: 0000000000000019 RSI: 000000000060005f RDI: 0000000020000000 [ 46.191929][ T5083] RBP: 00007eff8774b4b0 R08: 0000000000000001 R09: 0000000000000034 [ 46.200060][ T5083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff87653300 [ 46.208019][ T5083] R13: 0000000000000001 R14: 00007eff87653400 R15: 0000000000022000 [ 46.215988][ T5083] [ 46.218986][ T5083] Modules linked in: [ 46.222866][ T5083] ---[ end trace 0000000000000000 ]--- [ 46.228298][ T5083] RIP: 0010:collapse_file+0x3707/0x57d0 [ 46.233834][ T5083] Code: ff 48 c7 c2 e0 13 5a 8a be ce 00 00 00 48 c7 c7 40 14 5a 8a c6 05 43 aa 88 0c 01 e8 9a 15 eb 07 e9 8a e1 ff ff e8 29 63 ac ff <0f> 0b e8 22 63 ac ff 48 8b 7c 24 30 4c 89 fe e8 a5 22 e8 07 48 89 [ 46.253426][ T5083] RSP: 0018:ffffc90003c6f810 EFLAGS: 00010093 [ 46.259475][ T5083] RAX: 0000000000000000 RBX: 0000000000000180 RCX: 0000000000000000 [ 46.267432][ T5083] RDX: ffff88802a920000 RSI: ffffffff81d4fec7 RDI: 0000000000000006 [ 46.275389][ T5083] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000180 [ 46.283343][ T5083] R10: 0000000000000181 R11: 0000000000000000 R12: 0000000000000181 [ 46.291296][ T5083] R13: 0000000000000043 R14: ffff888021c3d510 R15: dffffc0000000000 [ 46.299252][ T5083] FS: 00007eff87653700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 46.308166][ T5083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.314734][ T5083] CR2: 00007eff876f51f0 CR3: 0000000022435000 CR4: 0000000000350ef0 [ 46.322697][ T5083] Kernel panic - not syncing: Fatal exception [ 46.329570][ T5083] Kernel Offset: disabled [ 46.333906][ T5083] Rebooting in 86400 seconds..