./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4001359837 <...> Warning: Permanently added '10.128.1.175' (ED25519) to the list of known hosts. execve("./syz-executor4001359837", ["./syz-executor4001359837"], 0x7ffc82cdb7f0 /* 10 vars */) = 0 brk(NULL) = 0x555589059000 brk(0x555589059d00) = 0x555589059d00 arch_prctl(ARCH_SET_FS, 0x555589059380) = 0 set_tid_address(0x555589059650) = 5828 set_robust_list(0x555589059660, 24) = 0 rseq(0x555589059ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4001359837", 4096) = 28 getrandom("\x63\x14\x3b\xac\xba\xd9\x5a\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555589059d00 brk(0x55558907ad00) = 0x55558907ad00 brk(0x55558907b000) = 0x55558907b000 mprotect(0x7fc3449f5000, 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 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 77.777096][ T5828] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 77.912065][ T5828] cgroup: Unknown subsys name 'cpuset' [ 77.943167][ T5828] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/proc/self/make-it-fail", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3 close(3) = 0 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=0x555589059650) = 5829 ./strace-static-x86_64: Process 5829 attached [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] set_robust_list(0x555589059660, 24) = 0 ./strace-static-x86_64: Process 5830 attached [pid 5829] mkdir("./syzkaller.BCZFBo", 0700 [pid 5830] set_robust_list(0x555589059660, 24 [pid 5828] <... clone resumed>, child_tidptr=0x555589059650) = 5830 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] mkdir("./syzkaller.XalBof", 0700./strace-static-x86_64: Process 5831 attached [pid 5829] <... mkdir resumed>) = 0 [pid 5831] set_robust_list(0x555589059660, 24) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] chmod("./syzkaller.BCZFBo", 0777 [pid 5828] <... clone resumed>, child_tidptr=0x555589059650) = 5831 [pid 5831] mkdir("./syzkaller.eiVZKY", 0700 [pid 5830] chmod("./syzkaller.XalBof", 0777 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5830] <... chmod resumed>) = 0 [pid 5829] <... chmod resumed>) = 0 [pid 5832] set_robust_list(0x555589059660, 24) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] chdir("./syzkaller.XalBof" [pid 5829] chdir("./syzkaller.BCZFBo" [pid 5828] <... clone resumed>, child_tidptr=0x555589059650) = 5832 [pid 5832] mkdir("./syzkaller.wivqtq", 0700 [pid 5830] <... chdir resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... chdir resumed>) = 0 [pid 5831] chmod("./syzkaller.eiVZKY", 0777) = 0 [pid 5831] chdir("./syzkaller.eiVZKY") = 0 [pid 5831] unshare(CLONE_NEWPID) = 0 [pid 5830] unshare(CLONE_NEWPID [pid 5829] unshare(CLONE_NEWPID [pid 5832] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x555589059660, 24) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x555589059650) = 5833 [pid 5832] chmod("./syzkaller.wivqtq", 0777 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... unshare resumed>) = 0 [pid 5829] <... unshare resumed>) = 0 [pid 5833] mkdir("./syzkaller.eM5cBz", 0700 [pid 5832] <... chmod resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5836 attached ./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5834 attached [pid 5832] chdir("./syzkaller.wivqtq" [pid 5834] set_robust_list(0x555589059660, 24 [pid 5833] chmod("./syzkaller.eM5cBz", 0777 [pid 5831] <... clone resumed>, child_tidptr=0x555589059650) = 5836 [pid 5836] set_robust_list(0x555589059660, 24 [pid 5835] set_robust_list(0x555589059660, 24 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... chmod resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555589059650) = 5834 [pid 5829] <... clone resumed>, child_tidptr=0x555589059650) = 5835 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] chdir("./syzkaller.eM5cBz" [pid 5832] unshare(CLONE_NEWPID) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5833] unshare(CLONE_NEWPID [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... prctl resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... prctl resumed>) = 0 [pid 5835] <... prctl resumed>) = 0 [pid 5834] getppid( [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] getppid( [pid 5835] getppid( [pid 5834] <... getppid resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5836] <... getppid resumed>) = 0 [pid 5835] <... getppid resumed>) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5838] set_robust_list(0x555589059660, 24 [pid 5834] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5838] <... set_robust_list resumed>) = 0 [pid 5836] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5837] set_robust_list(0x555589059660, 24 [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5833] <... clone resumed>, child_tidptr=0x555589059650) = 5838 [pid 5832] <... clone resumed>, child_tidptr=0x555589059650) = 5837 [pid 5838] <... prctl resumed>) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] getppid( [pid 5837] <... prctl resumed>) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5838] <... getppid resumed>) = 0 [pid 5837] getppid( [pid 5836] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5837] <... getppid resumed>) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5836] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5836] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5836] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_NEWNS [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5836] unshare(CLONE_NEWNS [pid 5835] unshare(CLONE_NEWNS [pid 5838] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... unshare resumed>) = 0 [pid 5834] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5838] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5837] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5838] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5838] unshare(CLONE_NEWNS [pid 5837] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] unshare(CLONE_NEWIPC [pid 5838] <... unshare resumed>) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] unshare(CLONE_NEWIPC [pid 5835] unshare(CLONE_NEWIPC [pid 5834] <... unshare resumed>) = 0 [pid 5838] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5837] unshare(CLONE_NEWNS [pid 5836] <... unshare resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5834] unshare(CLONE_NEWCGROUP) = 0 [pid 5836] unshare(CLONE_NEWCGROUP) = 0 [pid 5834] unshare(CLONE_NEWUTS) = 0 [pid 5836] unshare(CLONE_NEWUTS [pid 5838] unshare(CLONE_NEWIPC [pid 5837] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5836] <... unshare resumed>) = 0 [pid 5835] unshare(CLONE_NEWCGROUP [pid 5834] unshare(CLONE_SYSVSEM [pid 5838] <... unshare resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] unshare(CLONE_SYSVSEM [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5838] unshare(CLONE_NEWCGROUP [pid 5835] unshare(CLONE_NEWUTS [pid 5838] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5838] unshare(CLONE_NEWUTS [pid 5835] unshare(CLONE_SYSVSEM [pid 5838] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5838] unshare(CLONE_SYSVSEM) = 0 [pid 5837] unshare(CLONE_NEWIPC [pid 5836] <... unshare resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5837] <... unshare resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] unshare(CLONE_NEWCGROUP [pid 5836] <... openat resumed>) = 3 [pid 5838] write(3, "16777216", 8 [pid 5837] <... unshare resumed>) = 0 [pid 5835] write(3, "16777216", 8 [pid 5834] write(3, "16777216", 8 [pid 5838] <... write resumed>) = 8 [pid 5837] unshare(CLONE_NEWUTS [pid 5836] write(3, "16777216", 8 [pid 5834] <... write resumed>) = 8 [pid 5837] <... unshare resumed>) = 0 [pid 5836] <... write resumed>) = 8 [pid 5837] unshare(CLONE_SYSVSEM [pid 5836] close(3 [pid 5834] close(3 [pid 5838] close(3 [pid 5837] <... unshare resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 8 [pid 5834] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5838] write(3, "536870912", 9 [pid 5837] write(3, "16777216", 8 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5838] <... write resumed>) = 9 [pid 5835] write(3, "536870912", 9 [pid 5838] close(3 [pid 5835] <... write resumed>) = 9 [pid 5838] <... close resumed>) = 0 [pid 5835] close(3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5837] <... write resumed>) = 8 [pid 5836] write(3, "536870912", 9 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "536870912", 9 [pid 5837] close(3 [pid 5836] <... write resumed>) = 9 [pid 5834] <... write resumed>) = 9 [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 5834] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... close resumed>) = 0 [pid 5838] write(3, "1024", 4 [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1024", 4 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 4 [pid 5837] write(3, "536870912", 9 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... write resumed>) = 4 [pid 5834] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5837] <... write resumed>) = 9 [pid 5836] write(3, "1024", 4 [pid 5834] write(3, "1024", 4 [pid 5838] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] <... write resumed>) = 4 [pid 5835] close(3 [pid 5834] <... write resumed>) = 4 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5836] close(3 [pid 5834] close(3 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5834] <... close resumed>) = 0 [pid 5838] write(3, "8192", 4 [pid 5837] write(3, "1024", 4 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] <... write resumed>) = 4 [pid 5836] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5837] close(3) = 0 [pid 5838] <... write resumed>) = 4 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "8192", 4 [pid 5835] write(3, "8192", 4 [pid 5834] write(3, "8192", 4 [pid 5838] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5834] <... write resumed>) = 4 [pid 5838] <... close resumed>) = 0 [pid 5836] close(3 [pid 5835] close(3 [pid 5834] close(3 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "8192", 4 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 4 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5838] write(3, "1024", 4 [pid 5837] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5838] <... write resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5836] write(3, "1024", 4 [pid 5835] write(3, "1024", 4 [pid 5838] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5834] write(3, "1024", 4 [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] close(3 [pid 5835] close(3 [pid 5834] <... write resumed>) = 4 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1024", 4 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5837] <... write resumed>) = 4 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5834] <... close resumed>) = 0 [pid 5838] write(3, "1024", 4 [pid 5837] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "1024", 4 [pid 5835] write(3, "1024", 4 [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5834] write(3, "1024", 4 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "1024", 4 [pid 5836] close(3 [pid 5835] close(3 [pid 5834] <... write resumed>) = 4 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 4 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5838] write(3, "1024 1048576 500 1024", 21 [pid 5837] close(3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5834] <... close resumed>) = 0 [pid 5838] <... write resumed>) = 21 [pid 5836] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5838] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "1024 1048576 500 1024", 21 [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5838] getpid() = 1 [pid 5838] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5836] <... write resumed>) = 21 [pid 5835] write(3, "1024 1048576 500 1024", 21 [pid 5834] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 21 [pid 5838] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] close(3 [pid 5836] close(3 [pid 5835] <... write resumed>) = 21 [pid 5834] write(3, "1024 1048576 500 1024", 21 [pid 5838] <... capset resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] <... write resumed>) = 21 [pid 5838] unshare(CLONE_NEWNET [pid 5837] getpid( [pid 5836] getpid( [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5837] <... getpid resumed>) = 1 [pid 5836] <... getpid resumed>) = 1 [pid 5835] getpid( [pid 5836] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5835] <... getpid resumed>) = 1 [pid 5834] <... close resumed>) = 0 [pid 5837] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<{effective=1< [pid 5834] getpid( [pid 5837] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5836] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] <... capget resumed>{effective=1<) = 1 [pid 5837] <... capset resumed>) = 0 [pid 5835] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5836] <... capset resumed>) = 0 [pid 5837] unshare(CLONE_NEWNET [pid 5836] unshare(CLONE_NEWNET [pid 5835] <... capset resumed>) = 0 [pid 5834] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5835] unshare(CLONE_NEWNET [pid 5834] <... capget resumed>{effective=1< [pid 5837] <... unshare resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "0 65535", 7) = 7 [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5834] <... unshare resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "100000", 6) = 6 [pid 5837] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5834] write(3, "0 65535", 7 [pid 5837] mkdir("./syz-tmp", 0777 [pid 5834] <... write resumed>) = 7 [pid 5837] <... mkdir resumed>) = 0 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "100000", 6) = 6 [pid 5834] close(3 [pid 5837] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5838] <... unshare resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5834] mkdir("./syz-tmp", 0777 [pid 5838] write(3, "0 65535", 7 [pid 5837] mkdir("./syz-tmp/newroot", 0777 [pid 5836] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... write resumed>) = 7 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5838] close(3 [pid 5836] write(3, "0 65535", 7 [pid 5838] <... close resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5836] <... write resumed>) = 7 [pid 5835] write(3, "0 65535", 7 [pid 5834] <... mount resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5837] <... mkdir resumed>) = 0 [pid 5836] close(3 [pid 5835] <... write resumed>) = 7 [pid 5838] <... openat resumed>) = 3 [pid 5837] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] mkdir("./syz-tmp/newroot", 0777 [pid 5838] write(3, "100000", 6 [pid 5837] <... mount resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5838] <... write resumed>) = 6 [pid 5836] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5838] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5836] write(3, "100000", 6 [pid 5838] mkdir("./syz-tmp", 0777 [pid 5836] <... write resumed>) = 6 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5836] close(3 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5838] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp", 0777 [pid 5835] write(3, "100000", 6 [pid 5838] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... write resumed>) = 6 [pid 5834] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5837] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5835] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5836] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5838] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp", 0777 [pid 5838] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mount resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5836] mkdir("./syz-tmp/newroot", 0777 [pid 5834] <... mount resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5834] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5838] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot", 0777 [pid 5834] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5836] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5838] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5838] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5837] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5834] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5838] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5834] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5838] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5834] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5838] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mkdir resumed>) = 0 [pid 5838] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] <... mount resumed>) = 0 [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5836] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5836] <... mount resumed>) = 0 [pid 5834] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] <... mkdir resumed>) = 0 [pid 5835] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5837] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5838] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5838] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5838] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5838] mkdir("./syz-tmp/pivot", 0777 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/pivot", 0777 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5838] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] <... pivot_root resumed>) = 0 [pid 5837] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5836] <... mkdir resumed>) = 0 [pid 5834] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mkdir resumed>) = 0 [pid 5838] chdir("/" [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] <... pivot_root resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5838] umount2("./pivot", MNT_DETACH [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5834] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] chdir("/") = 0 [pid 5837] umount2("./pivot", MNT_DETACH [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5838] <... umount2 resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5836] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5838] chroot("./newroot" [pid 5837] chroot("./newroot" [pid 5835] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5838] <... chroot resumed>) = 0 [pid 5837] <... chroot resumed>) = 0 [pid 5836] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5838] chdir("/" [pid 5837] chdir("/" [pid 5838] <... chdir resumed>) = 0 [pid 5835] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/pivot", 0777 [pid 5838] mkdir("/dev/binderfs", 0777 [pid 5837] <... chdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5837] mkdir("/dev/binderfs", 0777 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5838] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5837] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5835] mkdir("./syz-tmp/pivot", 0777 [pid 5836] <... mount resumed>) = 0 [pid 5834] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5837] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5836] mkdir("./syz-tmp/pivot", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5835] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5834] <... pivot_root resumed>) = 0 [pid 5838] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5837] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5838] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... pivot_root resumed>) = 0 [pid 5834] chdir("/" [pid 5838] getpid( [pid 5837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] chdir("/" [pid 5835] <... pivot_root resumed>) = 0 [pid 5834] <... chdir resumed>) = 0 [pid 5835] chdir("/" [pid 5834] umount2("./pivot", MNT_DETACH [pid 5836] <... chdir resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 [pid 5838] <... getpid resumed>) = 1 [pid 5837] getpid( [pid 5838] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5837] <... getpid resumed>) = 1 [pid 5836] umount2("./pivot", MNT_DETACH [pid 5835] umount2("./pivot", MNT_DETACH [pid 5837] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5834] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] chroot("./newroot") = 0 [pid 5834] chdir("/" [pid 5836] chroot("./newroot" [pid 5835] chroot("./newroot" [pid 5834] <... chdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... chroot resumed>) = 0 [pid 5835] <... chroot resumed>) = 0 [pid 5834] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5836] chdir("/" [pid 5835] chdir("/" [pid 5834] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5838] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5836] <... chdir resumed>) = 0 [pid 5836] mkdir("/dev/binderfs", 0777 [pid 5835] <... chdir resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5835] mkdir("/dev/binderfs", 0777 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5836] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5835] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5838] write(3, "32", 2 [pid 5837] write(3, "32", 2 [pid 5834] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5838] <... write resumed>) = 2 [pid 5837] <... write resumed>) = 2 [pid 5836] <... mount resumed>) = 0 [pid 5838] close(3 [pid 5837] close(3 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5834] getpid( [pid 5838] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "1", 1 [pid 5836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] getpid( [pid 5838] <... openat resumed>) = 3 [pid 5834] <... getpid resumed>) = 1 [pid 5835] <... getpid resumed>) = 1 [pid 5835] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5838] write(3, "1", 1 [pid 5836] getpid( [pid 5834] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5837] <... write resumed>) = 1 [pid 5836] <... getpid resumed>) = 1 [pid 5837] close(3 [pid 5836] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 1 [pid 5837] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5838] close(3) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5838] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5834] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5835] write(3, "32", 2) = 2 [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1", 1 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5834] write(3, "32", 2 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5834] <... write resumed>) = 2 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5834] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 1 [pid 5838] write(3, "1", 1 [pid 5834] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5837] write(3, "1", 1 [pid 5836] write(3, "32", 2 [pid 5838] <... write resumed>) = 1 [pid 5837] <... write resumed>) = 1 [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5838] close(3 [pid 5835] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5834] write(3, "1", 1 [pid 5837] close(3 [pid 5836] <... write resumed>) = 2 [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1", 1 [pid 5838] <... close resumed>) = 0 [pid 5837] write(3, "313524224", 9 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... write resumed>) = 1 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5836] <... write resumed>) = 1 [pid 5834] close(3) = 0 [pid 5834] mkdir("/syzcgroup/cpu/syz1", 0777) = 0 [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1", 1) = 1 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "313524224", 9) = 9 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "314572800", 9) = 9 [pid 5834] close(3) = 0 [pid 5834] mkdir("/syzcgroup/net/syz1", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 9 [pid 5836] close(3 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5834] <... mkdir resumed>) = 0 [pid 5838] write(3, "313524224", 9 [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5838] <... write resumed>) = 9 [pid 5837] <... close resumed>) = 0 [pid 5836] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5835] write(3, "1", 1 [pid 5838] close(3 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5834] write(3, "1", 1 [pid 5838] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 5837] write(3, "314572800", 9) = 9 [pid 5838] write(3, "314572800", 9 [pid 5837] close(3 [pid 5838] <... write resumed>) = 9 [pid 5838] close(3 [pid 5837] <... close resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5837] mkdir("/syzcgroup/net/syz3", 0777 [pid 5838] mkdir("/syzcgroup/net/syz4", 0777 [pid 5836] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 1 [pid 5834] <... write resumed>) = 1 [pid 5834] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5834] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5838] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "1", 1 [pid 5835] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5834] mkdir("./0", 0777 [pid 5838] <... openat resumed>) = 3 [pid 5837] write(3, "1", 1 [pid 5836] <... write resumed>) = 1 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] <... write resumed>) = 1 [pid 5837] close(3 [pid 5834] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] mkdir("./0", 0777) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5838] write(3, "1", 1 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] close(3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... write resumed>) = 1 [pid 5836] <... close resumed>) = 0 [pid 5835] write(3, "313524224", 9./strace-static-x86_64: Process 5845 attached [pid 5838] close(3 [pid 5845] set_robust_list(0x555589059660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555589059650) = 2 [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 9 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5835] close(3 [pid 5845] chdir("./0" [pid 5836] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5838] mkdir("./0", 0777./strace-static-x86_64: Process 5846 attached [pid 5845] <... chdir resumed>) = 0 [pid 5836] write(3, "313524224", 9 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5834] <... clone resumed>, child_tidptr=0x555589059650) = 2 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... write resumed>) = 9 [pid 5846] set_robust_list(0x555589059660, 24 [pid 5845] <... prctl resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] setpgid(0, 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] close(3 [pid 5845] <... setpgid resumed>) = 0 [pid 5845] symlink("/syzcgroup/unified/syz3", "./cgroup" [ 78.810283][ T5837] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 5835] write(3, "314572800", 9 [pid 5845] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] chdir("./0" [pid 5836] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 9 [pid 5847] set_robust_list(0x555589059660, 24 [pid 5846] <... chdir resumed>) = 0 [pid 5845] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5845] <... symlink resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x555589059650) = 2 [pid 5835] <... close resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... prctl resumed>) = 0 [pid 5845] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5836] <... openat resumed>) = 3 [pid 5835] mkdir("/syzcgroup/net/syz0", 0777 [pid 5847] chdir("./0" [pid 5846] setpgid(0, 0 [pid 5845] <... symlink resumed>) = 0 [pid 5836] write(3, "314572800", 9 [pid 5847] <... chdir resumed>) = 0 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... mkdir resumed>) = 0 [pid 5836] <... write resumed>) = 9 [pid 5845] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5845] write(3, "1000", 4 [pid 5836] close(3 [pid 5847] <... prctl resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... write resumed>) = 4 [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5845] close(3 [pid 5836] mkdir("/syzcgroup/net/syz2", 0777 [pid 5835] write(3, "1", 1 [pid 5846] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5847] setpgid(0, 0 [pid 5845] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 1 [pid 5835] close(3) = 0 [pid 5835] mkdir("./0", 0777 [pid 5847] <... setpgid resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5847] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5846] symlink("/syzcgroup/net/syz1", "./cgroup.net"executing program [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... openat resumed>) = 3 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... symlink resumed>) = 0 [pid 5845] write(1, "executing program\n", 18 [pid 5836] write(3, "1", 1 [pid 5847] <... symlink resumed>) = 0 [pid 5847] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... write resumed>) = 18 [pid 5836] <... write resumed>) = 1 ./strace-static-x86_64: Process 5848 attached [pid 5845] perf_event_open( [pid 5848] set_robust_list(0x555589059660, 24) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5835] <... clone resumed>, child_tidptr=0x555589059650) = 2 [pid 5848] chdir("./0" [pid 5847] <... symlink resumed>) = 0 [pid 5848] <... chdir resumed>) = 0 [pid 5847] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5846] write(3, "1000", 4 [pid 5845] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5836] close(3 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5848] <... prctl resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5836] <... close resumed>) = 0 [pid 5845] <... openat resumed>) = 4 [pid 5848] setpgid(0, 0 [pid 5847] <... openat resumed>) = 3 [pid 5847] write(3, "1000", 4 [pid 5846] <... close resumed>) = 0 [pid 5836] mkdir("./0", 0777 [pid 5848] <... setpgid resumed>) = 0 [pid 5847] <... write resumed>) = 4 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] write(4, "8", 1 [pid 5848] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5847] close(3 [pid 5846] <... symlink resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs" [pid 5846] write(1, "executing program\n", 18executing program [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 18 executing program [pid 5847] write(1, "executing program\n", 18 [pid 5846] perf_event_open( [pid 5848] <... symlink resumed>) = 0 [pid 5847] <... write resumed>) = 18 [pid 5846] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5845] <... write resumed>) = 1 [pid 5836] <... mkdir resumed>) = 0 [pid 5845] mkdir("./cgroup/file0", 046450 [pid 5848] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] perf_event_open( [pid 5846] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5847] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5846] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5849 attached [pid 5848] <... symlink resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5849] set_robust_list(0x555589059660, 24 [pid 5848] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5847] <... openat resumed>) = 4 [pid 5846] write(4, "8", 1 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] <... symlink resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555589059650) = 2 [pid 5849] chdir("./0" [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] write(4, "8", 1 [pid 5846] <... write resumed>) = 1 [pid 5849] <... chdir resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... write resumed>) = 1 [ 78.919615][ T5845] FAULT_INJECTION: forcing a failure. [ 78.919615][ T5845] name failslab, interval 1, probability 0, space 0, times 1 [ 78.933627][ T5845] CPU: 0 UID: 0 PID: 5845 Comm: syz-executor400 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 78.938143][ T5846] FAULT_INJECTION: forcing a failure. [ 78.938143][ T5846] name failslab, interval 1, probability 0, space 0, times 1 [ 78.944767][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [pid 5846] mkdir("./cgroup/file0", 046450executing program executing program [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] write(3, "1000", 4 [pid 5847] mkdir("./cgroup/file0", 046450 [pid 5849] <... prctl resumed>) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5848] <... write resumed>) = 4 [pid 5848] close(3) = 0 [pid 5848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5848] write(1, "executing program\n", 18) = 18 [pid 5848] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5849] <... symlink resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 5849] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5848] write(4, "8", 1 [pid 5849] <... symlink resumed>) = 0 [pid 5848] <... write resumed>) = 1 [pid 5848] mkdir("./cgroup/file0", 046450 [pid 5849] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5849] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 5849] write(4, "8", 1) = 1 [ 78.967554][ T5845] Call Trace: [ 78.970874][ T5845] [ 78.973843][ T5845] dump_stack_lvl+0x241/0x360 [ 78.974043][ T5849] FAULT_INJECTION: forcing a failure. [ 78.974043][ T5849] name failslab, interval 1, probability 0, space 0, times 1 [ 78.978583][ T5845] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.978618][ T5845] ? __pfx__printk+0x10/0x10 [ 78.978650][ T5845] ? fs_reclaim_acquire+0x93/0x130 [ 78.978678][ T5845] ? __pfx___might_resched+0x10/0x10 [ 79.011453][ T5845] should_fail_ex+0x3b0/0x4e0 [ 79.016177][ T5845] should_failslab+0xac/0x100 [ 79.020887][ T5845] __kmalloc_noprof+0xdd/0x4c0 [ 79.025685][ T5845] ? tomoyo_encode+0x26f/0x540 [ 79.030487][ T5845] tomoyo_encode+0x26f/0x540 [ 79.035099][ T5845] tomoyo_realpath_from_path+0x59e/0x5e0 [ 79.040776][ T5845] tomoyo_path_number_perm+0x236/0x860 [ 79.046355][ T5845] ? tomoyo_path_number_perm+0x206/0x860 [ 79.052023][ T5845] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 79.058037][ T5845] ? __pfx_lock_acquire+0x10/0x10 [ 79.063086][ T5845] ? __d_add+0x4d7/0x800 [ 79.067380][ T5845] ? d_splice_alias+0x110/0x330 [ 79.072255][ T5845] ? lookup_one_qstr_excl+0x12f/0x260 [ 79.077650][ T5845] tomoyo_path_mkdir+0xe7/0x130 [ 79.082523][ T5845] ? __pfx_hook_path_mkdir+0x10/0x10 [ 79.087831][ T5845] ? __pfx_tomoyo_path_mkdir+0x10/0x10 [ 79.093310][ T5845] ? __pfx_filename_create+0x10/0x10 [ 79.098616][ T5845] ? __might_fault+0xaa/0x120 [ 79.103311][ T5845] security_path_mkdir+0x171/0x370 [ 79.108447][ T5845] do_mkdirat+0x1c4/0x3a0 [ 79.112791][ T5845] ? __phys_addr_symbol+0x2f/0x70 [ 79.117839][ T5845] ? __check_object_size+0x48e/0x900 [ 79.123163][ T5845] ? __pfx_do_mkdirat+0x10/0x10 [ 79.128027][ T5845] ? strncpy_from_user+0x152/0x270 [ 79.133166][ T5845] ? getname_flags+0x1e3/0x540 [ 79.137945][ T5845] __x64_sys_mkdir+0x6c/0x80 [ 79.142556][ T5845] do_syscall_64+0xf3/0x230 [ 79.147098][ T5845] ? clear_bhb_loop+0x35/0x90 [ 79.151815][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.157732][ T5845] RIP: 0033:0x7fc3449889c9 [ 79.162168][ T5845] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1b 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 [ 79.181787][ T5845] RSP: 002b:00007ffc05509a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 79.190217][ T5845] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3449889c9 [ 79.198212][ T5845] RDX: 00007fc344987a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 79.206372][ T5845] RBP: 0000000000000001 R08: 00007ffc055097e7 R09: 0000000000000000 [ 79.214370][ T5845] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fc3449d003c [ 79.222364][ T5845] R13: 00007ffc05509a90 R14: 00007ffc05509ad0 R15: 0000000000000000 [ 79.230384][ T5845] [ 79.233439][ T5846] CPU: 1 UID: 0 PID: 5846 Comm: syz-executor400 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 79.244586][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.254665][ T5846] Call Trace: [ 79.257956][ T5846] [ 79.260896][ T5846] dump_stack_lvl+0x241/0x360 [ 79.265619][ T5846] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.270869][ T5846] ? __pfx__printk+0x10/0x10 [ 79.275479][ T5846] ? __kmalloc_cache_noprof+0x48/0x390 [ 79.280955][ T5846] ? __pfx___might_resched+0x10/0x10 [ 79.286253][ T5846] should_fail_ex+0x3b0/0x4e0 [ 79.290937][ T5846] should_failslab+0xac/0x100 [ 79.295756][ T5846] ? __pfx_css_release+0x10/0x10 [ 79.300746][ T5846] __kmalloc_cache_noprof+0x70/0x390 [ 79.306060][ T5846] ? percpu_ref_init+0xbf/0x360 [ 79.310926][ T5846] ? __pfx_css_release+0x10/0x10 [ 79.315880][ T5846] percpu_ref_init+0xbf/0x360 [ 79.320583][ T5846] ? cgroup_mkdir+0x2b2/0xd60 [ 79.325291][ T5846] cgroup_mkdir+0x2de/0xd60 [ 79.329818][ T5846] ? __pfx_cgroup_mkdir+0x10/0x10 [ 79.334853][ T5846] kernfs_iop_mkdir+0x253/0x3f0 [ 79.339732][ T5846] vfs_mkdir+0x2f9/0x4f0 [ 79.343998][ T5846] do_mkdirat+0x264/0x3a0 [ 79.348347][ T5846] ? __phys_addr_symbol+0x2f/0x70 [ 79.353395][ T5846] ? __check_object_size+0x48e/0x900 [ 79.358696][ T5846] ? __pfx_do_mkdirat+0x10/0x10 [ 79.363578][ T5846] ? strncpy_from_user+0x152/0x270 [ 79.368722][ T5846] ? getname_flags+0x1e3/0x540 [ 79.373520][ T5846] __x64_sys_mkdir+0x6c/0x80 [ 79.378153][ T5846] do_syscall_64+0xf3/0x230 [ 79.382685][ T5846] ? clear_bhb_loop+0x35/0x90 [ 79.387388][ T5846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.393307][ T5846] RIP: 0033:0x7fc3449889c9 [ 79.397737][ T5846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1b 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 [ 79.417354][ T5846] RSP: 002b:00007ffc05509a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 79.425803][ T5846] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3449889c9 [ 79.433783][ T5846] RDX: 00007fc344987a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 79.441763][ T5846] RBP: 0000000000000001 R08: 00007ffc055097e7 R09: 0000000000000000 [ 79.449741][ T5846] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fc3449d003c [ 79.457720][ T5846] R13: 00007ffc05509a90 R14: 00007ffc05509ad0 R15: 0000000000000000 [ 79.465714][ T5846] [pid 5849] mkdir("./cgroup/file0", 046450 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5848] close(3 [pid 5847] close(3 [pid 5846] close(3 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5848] close(4 [pid 5847] close(4 [pid 5846] close(4 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5848] close(5 [pid 5847] close(5 [pid 5846] close(5 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(6 [pid 5847] close(6 [pid 5846] close(6 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(7 [pid 5847] close(7 [pid 5846] close(7 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(8 [pid 5847] close(8 [pid 5846] close(8 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(9 [pid 5847] close(9 [pid 5846] close(9 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(10 [pid 5847] close(10 [pid 5846] close(10 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(11 [pid 5847] close(11 [pid 5846] close(11 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(12 [pid 5847] close(12 [pid 5846] close(12 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(13 [pid 5847] close(13 [pid 5846] close(13 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(14 [pid 5847] close(14 [pid 5846] close(14 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(15 [pid 5847] close(15 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(16 [pid 5847] close(16) = -1 EBADF (Bad file descriptor) [pid 5847] close(17) = -1 EBADF (Bad file descriptor) [pid 5847] close(18) = -1 EBADF (Bad file descriptor) [pid 5847] close(19) = -1 EBADF (Bad file descriptor) [pid 5847] close(20) = -1 EBADF (Bad file descriptor) [pid 5847] close(21) = -1 EBADF (Bad file descriptor) [pid 5847] close(22) = -1 EBADF (Bad file descriptor) [pid 5847] close(23) = -1 EBADF (Bad file descriptor) [pid 5847] close(24 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(25) = -1 EBADF (Bad file descriptor) [pid 5848] close(17 [pid 5847] close(26 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(18 [pid 5847] close(27 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(19 [pid 5847] close(28 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(20 [pid 5847] close(29 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(21 [pid 5847] exit_group(0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... exit_group resumed>) = ? [pid 5848] close(22 [pid 5847] +++ exited with 0 +++ [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(23) = -1 EBADF (Bad file descriptor) [pid 5848] close(24) = -1 EBADF (Bad file descriptor) [pid 5848] close(25) = -1 EBADF (Bad file descriptor) [pid 5848] close(26 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(27) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] close(28 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5848] close(29 [pid 5838] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 5848] exit_group(0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5848] <... exit_group resumed>) = ? [ 79.468865][ T5845] ERROR: Out of memory at tomoyo_realpath_from_path. [ 79.475830][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor400 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 79.486989][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.497104][ T5849] Call Trace: [ 79.500423][ T5849] [ 79.503390][ T5849] dump_stack_lvl+0x241/0x360 [ 79.508128][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.513381][ T5849] ? __pfx__printk+0x10/0x10 [ 79.518027][ T5849] ? fs_reclaim_acquire+0x93/0x130 [ 79.523187][ T5849] ? __pfx___might_resched+0x10/0x10 [ 79.528524][ T5849] should_fail_ex+0x3b0/0x4e0 [ 79.533253][ T5849] should_failslab+0xac/0x100 [ 79.537984][ T5849] __kmalloc_noprof+0xdd/0x4c0 [ 79.542802][ T5849] ? tomoyo_encode+0x26f/0x540 [ 79.547614][ T5849] tomoyo_encode+0x26f/0x540 [ 79.552261][ T5849] tomoyo_realpath_from_path+0x59e/0x5e0 [ 79.557957][ T5849] tomoyo_path_number_perm+0x236/0x860 [ 79.563483][ T5849] ? tomoyo_path_number_perm+0x206/0x860 [ 79.569184][ T5849] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 79.575218][ T5849] ? __pfx_lock_acquire+0x10/0x10 [ 79.580291][ T5849] ? __d_add+0x4d7/0x800 [ 79.584624][ T5849] ? d_splice_alias+0x110/0x330 [ 79.589524][ T5849] ? lookup_one_qstr_excl+0x12f/0x260 [ 79.594941][ T5849] tomoyo_path_mkdir+0xe7/0x130 [ 79.599833][ T5849] ? __pfx_hook_path_mkdir+0x10/0x10 [ 79.605176][ T5849] ? __pfx_tomoyo_path_mkdir+0x10/0x10 [ 79.610666][ T5849] ? __pfx_filename_create+0x10/0x10 [ 79.615969][ T5849] ? __might_fault+0xaa/0x120 [ 79.620664][ T5849] security_path_mkdir+0x171/0x370 [ 79.625795][ T5849] do_mkdirat+0x1c4/0x3a0 [ 79.630134][ T5849] ? __phys_addr_symbol+0x2f/0x70 [ 79.635170][ T5849] ? __check_object_size+0x48e/0x900 [ 79.640477][ T5849] ? __pfx_do_mkdirat+0x10/0x10 [ 79.645342][ T5849] ? strncpy_from_user+0x152/0x270 [ 79.650475][ T5849] ? getname_flags+0x1e3/0x540 [ 79.655255][ T5849] __x64_sys_mkdir+0x6c/0x80 [ 79.659875][ T5849] do_syscall_64+0xf3/0x230 [ 79.664394][ T5849] ? clear_bhb_loop+0x35/0x90 [ 79.669088][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.674996][ T5849] RIP: 0033:0x7fc3449889c9 [ 79.679440][ T5849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1b 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 [ 79.699067][ T5849] RSP: 002b:00007ffc05509a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 79.707498][ T5849] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3449889c9 [ 79.715478][ T5849] RDX: 00007fc344987a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [pid 5838] getdents64(3, [pid 5848] +++ exited with 0 +++ [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./0/cgroup") = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./0/cgroup.cpu" [pid 5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5838] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5835] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./0/cgroup.net" [pid 5835] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5835] unlink("./0/cgroup" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5838] unlink("./0/binderfs" [pid 5835] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] close(3 [pid 5835] unlink("./0/cgroup.cpu" [pid 5838] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5838] rmdir("./0" [pid 5835] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./1", 0777 [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] unlink("./0/cgroup.net"./strace-static-x86_64: Process 5850 attached ) = 0 [pid 5850] set_robust_list(0x555589059660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x555589059650) = 3 [pid 5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... set_robust_list resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] chdir("./1" [pid 5835] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5850] <... chdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] unlink("./0/binderfs" [pid 5850] <... prctl resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5850] setpgid(0, 0 [pid 5835] getdents64(3, [pid 5850] <... setpgid resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5850] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5846] close(15 [pid 5835] close(3 [pid 5850] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5850] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5846] close(16 [pid 5835] rmdir("./0" [pid 5850] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 5850] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5846] close(17 [pid 5835] mkdir("./1", 0777 [pid 5850] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] close(18 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... openat resumed>) = 3 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] write(3, "1000", 4 [pid 5846] close(19 [pid 5835] <... clone resumed>, child_tidptr=0x555589059650) = 3 [pid 5850] <... write resumed>) = 4 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(3 [pid 5846] close(20 [pid 5850] <... close resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5846] close(21 [pid 5850] <... symlink resumed>) = 0 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] write(1, "executing program\n", 18 [pid 5846] close(22 [pid 5850] <... write resumed>) = 18 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] perf_event_open( [pid 5846] close(23 [pid 5850] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5846] close(24 [pid 5850] <... openat resumed>) = 4 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(25) = -1 EBADF (Bad file descriptor) [pid 5846] close(26) = -1 EBADF (Bad file descriptor) [pid 5850] write(4, "8", 1 [pid 5846] close(27 [pid 5850] <... write resumed>) = 1 [pid 5850] mkdir("./cgroup/file0", 046450 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5846] close(28) = -1 EBADF (Bad file descriptor) [pid 5846] close(29) = -1 EBADF (Bad file descriptor) [pid 5846] exit_group(0) = ? [pid 5850] close(3 [pid 5846] +++ exited with 0 +++ [pid 5850] <... close resumed>) = 0 [pid 5850] close(4) = 0 [pid 5850] close(5) = -1 EBADF (Bad file descriptor) [pid 5850] close(6) = -1 EBADF (Bad file descriptor) [pid 5850] close(7) = -1 EBADF (Bad file descriptor) [pid 5850] close(8 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(9) = -1 EBADF (Bad file descriptor) [pid 5850] close(10) = -1 EBADF (Bad file descriptor) [pid 5850] close(11) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(12 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] close(13) = -1 EBADF (Bad file descriptor) [pid 5834] <... openat resumed>) = 3 [pid 5850] close(14) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(3, "", [pid 5850] close(15) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5850] close(16) = -1 EBADF (Bad file descriptor) [pid 5850] close(17 [pid 5834] getdents64(3, [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5850] close(18) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(19 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(20 [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] close(21) = -1 EBADF (Bad file descriptor) [pid 5834] unlink("./0/cgroup" [pid 5850] close(22) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 5850] close(23) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] close(24 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(25) = -1 EBADF (Bad file descriptor) [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5850] close(26 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(27 [pid 5834] unlink("./0/cgroup.cpu" [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(28) = -1 EBADF (Bad file descriptor) [pid 5834] <... unlink resumed>) = 0 [pid 5850] close(29) = -1 EBADF (Bad file descriptor) [pid 5834] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] exit_group(0) = ? [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5834] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./0/cgroup.net" [pid 5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5851 attached [pid 5845] <... mkdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5838] <... openat resumed>) = 3 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./0/binderfs" [pid 5838] newfstatat(3, "", [pid 5834] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(3, 0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./0") = 0 [pid 5834] mkdir("./1", 0777) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] set_robust_list(0x555589059660, 24 [pid 5845] close(3./strace-static-x86_64: Process 5852 attached [pid 5851] <... set_robust_list resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5852] set_robust_list(0x555589059660, 24 [pid 5851] chdir("./1" [pid 5849] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5845] close(4 [pid 5834] <... clone resumed>, child_tidptr=0x555589059650) = 3 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... chdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5852] chdir("./1" [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] close(3 [pid 5845] <... close resumed>) = 0 [pid 5838] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... chdir resumed>) = 0 [pid 5851] <... prctl resumed>) = 0 [pid 5845] close(5 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] setpgid(0, 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5852] <... prctl resumed>) = 0 [pid 5851] <... setpgid resumed>) = 0 [pid 5845] close(6 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] setpgid(0, 0 [pid 5851] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./1/cgroup" [pid 5852] <... setpgid resumed>) = 0 [pid 5851] <... symlink resumed>) = 0 [pid 5845] close(7 [pid 5838] <... unlink resumed>) = 0 [pid 5851] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5851] <... symlink resumed>) = 0 [pid 5845] close(8 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5851] <... symlink resumed>) = 0 [pid 5845] close(9 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./1/cgroup.cpu" [pid 5845] close(10 [pid 5838] <... unlink resumed>) = 0 [pid 5851] <... openat resumed>) = 3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... symlink resumed>) = 0 [pid 5851] write(3, "1000", 4 [pid 5845] close(11 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5838] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... write resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] close(12 [pid 5838] unlink("./1/cgroup.net" [pid 5851] close(3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5852] <... symlink resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5845] close(13 [pid 5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] close(14 [pid 5838] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] <... symlink resumed>) = 0 [pid 5845] close(15 [pid 5838] unlink("./1/binderfs"executing program [pid 5852] <... symlink resumed>) = 0 [pid 5851] write(1, "executing program\n", 18 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5851] <... write resumed>) = 18 [pid 5845] close(16 [pid 5838] getdents64(3, [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] perf_event_open( [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5845] close(17 [ 79.723469][ T5849] RBP: 0000000000000001 R08: 00007ffc055097e7 R09: 0000000000000000 [ 79.731448][ T5849] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fc3449d003c [ 79.739428][ T5849] R13: 00007ffc05509a90 R14: 00007ffc05509ad0 R15: 0000000000000000 [ 79.747420][ T5849] [ 79.756954][ T5849] ERROR: Out of memory at tomoyo_realpath_from_path. [pid 5838] close(3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./1") = 0 [pid 5845] close(18 [pid 5838] mkdir("./2", 0777 [pid 5852] <... openat resumed>) = 3 [pid 5851] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5849] <... close resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 5852] write(3, "1000", 4 [pid 5851] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5849] close(4 [pid 5845] close(19 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... write resumed>) = 4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... openat resumed>) = 4 [pid 5845] close(20) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = 0 [pid 5845] close(21) = -1 EBADF (Bad file descriptor) [pid 5845] close(22) = -1 EBADF (Bad file descriptor) [pid 5845] close(23) = -1 EBADF (Bad file descriptor) [pid 5845] close(24) = -1 EBADF (Bad file descriptor) [pid 5845] close(25) = -1 EBADF (Bad file descriptor) [pid 5845] close(26./strace-static-x86_64: Process 5853 attached [pid 5852] close(3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] set_robust_list(0x555589059660, 24 [pid 5845] close(27 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5851] write(4, "8", 1 [pid 5849] close(5 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] chdir("./2" [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5851] <... write resumed>) = 1 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(28 [pid 5838] <... clone resumed>, child_tidptr=0x555589059650) = 4 [pid 5853] <... chdir resumed>) = 0 [pid 5849] close(6 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... symlink resumed>) = 0 [pid 5845] close(29 [pid 5853] <... prctl resumed>) = 0 executing program [pid 5852] write(1, "executing program\n", 18 [pid 5851] mkdir("./cgroup/file0", 046450 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] setpgid(0, 0 [pid 5852] <... write resumed>) = 18 [pid 5849] close(7 [pid 5845] exit_group(0 [pid 5853] <... setpgid resumed>) = 0 [pid 5851] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5845] <... exit_group resumed>) = ? [pid 5852] perf_event_open( [pid 5851] close(3 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5849] close(8) = -1 EBADF (Bad file descriptor) [pid 5849] close(9 [pid 5852] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5851] <... close resumed>) = 0 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5852] <... openat resumed>) = 4 [pid 5851] close(4 [pid 5849] close(10 [pid 5845] +++ exited with 0 +++ [pid 5853] <... symlink resumed>) = 0 [pid 5852] write(4, "8", 1 [pid 5851] <... close resumed>) = 0 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5853] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5851] close(5 [pid 5849] close(11 [pid 5853] <... symlink resumed>) = 0 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5852] <... write resumed>) = 1 [pid 5849] close(12 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5852] mkdir("./cgroup/file0", 046450 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(6 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5853] <... symlink resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(13 [pid 5853] <... write resumed>) = 4 [pid 5851] close(7 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(3 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(14 [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... close resumed>) = 0 [pid 5851] close(8 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(15 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... symlink resumed>) = 0 [pid 5851] close(9 [pid 5853] write(1, "executing program\n", 18 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5853] <... write resumed>) = 18 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(16 [pid 5837] <... openat resumed>) = 3 [pid 5853] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5851] close(10 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(3, "", [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(17 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5853] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5851] close(11 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] getdents64(3, [pid 5853] <... openat resumed>) = 4 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(18 [pid 5837] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5853] write(4, "8", 1 [pid 5851] close(12 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... write resumed>) = 1 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(19 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] mkdir("./cgroup/file0", 046450 [pid 5851] close(13 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(20 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] close(14 [pid 5853] close(3 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./0/cgroup" [pid 5853] <... close resumed>) = 0 [pid 5853] close(4 [pid 5851] close(15 [pid 5849] close(21 [pid 5837] <... unlink resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(5 [pid 5837] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(16 [pid 5849] close(22 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] close(6) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5853] close(7 [pid 5851] close(17 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(23 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] close(8 [pid 5851] close(18 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(24 [pid 5837] unlink("./0/cgroup.cpu" [pid 5853] close(9 [pid 5851] close(19 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... unlink resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(25 [pid 5853] close(10 [pid 5837] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(20 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] close(11) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(26 [pid 5853] close(12 [pid 5851] close(21 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(27 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 79.835946][ T5852] FAULT_INJECTION: forcing a failure. [ 79.835946][ T5852] name failslab, interval 1, probability 0, space 0, times 0 [ 79.848931][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz-executor400 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 79.860102][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.870207][ T5852] Call Trace: [ 79.873532][ T5852] [ 79.876507][ T5852] dump_stack_lvl+0x241/0x360 [ 79.881249][ T5852] ? __pfx_dump_stack_lvl+0x10/0x10 [pid 5853] close(13 [pid 5851] close(22 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./0/cgroup.net" [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(28 [pid 5853] close(14 [pid 5851] close(23 [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... unlink resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] close(29 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] close(15 [pid 5851] close(24 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] close(16 [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] exit_group(0 [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(25 [pid 5849] <... exit_group resumed>) = ? [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] close(17 [pid 5849] +++ exited with 0 +++ [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(26 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] unlink("./0/binderfs" [pid 5853] close(18 [pid 5851] close(27 [pid 5837] <... unlink resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(19 [pid 5851] close(28 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(20 [pid 5851] close(29 [pid 5837] getdents64(3, [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5853] close(21 [pid 5851] exit_group(0 [pid 5837] close(3 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(22 [pid 5851] <... exit_group resumed>) = ? [pid 5837] <... close resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] +++ exited with 0 +++ [pid 5837] rmdir("./0") = 0 [pid 5853] close(23) = -1 EBADF (Bad file descriptor) [pid 5837] mkdir("./1", 0777 [pid 5853] close(24 [pid 5837] <... mkdir resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] close(25) = -1 EBADF (Bad file descriptor) [pid 5853] close(26) = -1 EBADF (Bad file descriptor) [pid 5853] close(27) = -1 EBADF (Bad file descriptor) [pid 5853] close(28 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(29) = -1 EBADF (Bad file descriptor) [pid 5853] exit_group(0./strace-static-x86_64: Process 5854 attached ) = ? [pid 5837] <... clone resumed>, child_tidptr=0x555589059650) = 3 [pid 5835] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] set_robust_list(0x555589059660, 24 [pid 5853] +++ exited with 0 +++ [pid 5854] <... set_robust_list resumed>) = 0 [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] chdir("./1" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 79.886532][ T5852] ? __pfx__printk+0x10/0x10 [ 79.891178][ T5852] ? kmem_cache_alloc_noprof+0x48/0x380 [ 79.896782][ T5852] ? __pfx___might_resched+0x10/0x10 [ 79.902120][ T5852] should_fail_ex+0x3b0/0x4e0 [ 79.906853][ T5852] should_failslab+0xac/0x100 [ 79.911585][ T5852] ? __kernfs_new_node+0xd8/0x870 [ 79.916663][ T5852] kmem_cache_alloc_noprof+0x70/0x380 [ 79.922080][ T5852] __kernfs_new_node+0xd8/0x870 [ 79.926943][ T5852] ? pcpu_memcg_post_alloc_hook+0x12a/0x720 [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... chdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] newfstatat(3, "", [pid 5835] <... openat resumed>) = 3 [pid 5854] <... prctl resumed>) = 0 [pid 5854] setpgid(0, 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(3, "", [pid 5854] <... setpgid resumed>) = 0 [pid 5836] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5854] <... symlink resumed>) = 0 [pid 5838] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5835] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5854] <... symlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5838] newfstatat(3, "", [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... symlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5838] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 6 entries */, 32768) = 176 [pid 5836] unlink("./0/cgroup" [pid 5838] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... openat resumed>) = 3 [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./1/cgroup" [pid 5854] write(3, "1000", 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5854] <... write resumed>) = 4 [pid 5835] <... unlink resumed>) = 0 [pid 5854] close(3 [pid 5838] unlink("./2/cgroup" [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5838] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] unlink("./0/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... symlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] write(1, "executing program\n", 18 [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5836] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup.cpu", executing program [pid 5854] <... write resumed>) = 18 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] perf_event_open( [pid 5838] unlink("./2/cgroup.cpu" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5835] unlink("./1/cgroup.cpu" [pid 5854] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5838] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5854] <... openat resumed>) = 4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5836] unlink("./0/cgroup.net" [pid 5835] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] write(4, "8", 1 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... write resumed>) = 1 [pid 5838] unlink("./2/cgroup.net" [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5854] mkdir("./cgroup/file0", 046450 [pid 5838] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5854] close(3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./1/cgroup.net" [pid 5854] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5836] unlink("./0/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 5854] close(4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5854] <... close resumed>) = 0 [ 79.932869][ T5852] ? __pfx_pcpu_memcg_post_alloc_hook+0x10/0x10 [ 79.939163][ T5852] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 79.945201][ T5852] ? __pfx___kernfs_new_node+0x10/0x10 [ 79.950730][ T5852] ? cgroup_rstat_init+0x6c/0x1e0 [ 79.955811][ T5852] ? pcpu_alloc_noprof+0xfb8/0x1760 [ 79.961073][ T5852] kernfs_new_node+0x137/0x240 [ 79.965903][ T5852] kernfs_create_dir_ns+0x43/0x120 [ 79.971072][ T5852] cgroup_mkdir+0x418/0xd60 [ 79.975636][ T5852] ? __pfx_cgroup_mkdir+0x10/0x10 [ 79.980731][ T5852] kernfs_iop_mkdir+0x253/0x3f0 [pid 5838] unlink("./2/binderfs" [pid 5836] getdents64(3, [pid 5835] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5854] close(5 [pid 5838] getdents64(3, [pid 5836] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(3) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5854] close(6 [pid 5838] close(3 [pid 5836] rmdir("./0" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5835] unlink("./1/binderfs" [pid 5854] close(7 [pid 5838] rmdir("./2" [pid 5836] mkdir("./1", 0777 [pid 5835] <... unlink resumed>) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(8 [pid 5838] <... rmdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] getdents64(3, [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x55558905a6f0 /* 0 entries */, 32768) = 0 [pid 5838] mkdir("./3", 0777 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] close(3 [pid 5854] close(9 [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(10) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./1" [pid 5854] close(11 [pid 5835] <... rmdir resumed>) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(12 [pid 5835] mkdir("./2", 0777 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 5854] close(13) = -1 EBADF (Bad file descriptor) [pid 5854] close(14 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5857 attached ./strace-static-x86_64: Process 5856 attached ./strace-static-x86_64: Process 5855 attached [pid 5854] close(15 [pid 5838] <... clone resumed>, child_tidptr=0x555589059650) = 5 [pid 5836] <... clone resumed>, child_tidptr=0x555589059650) = 3 [pid 5835] <... clone resumed>, child_tidptr=0x555589059650) = 4 [pid 5857] set_robust_list(0x555589059660, 24 [pid 5856] set_robust_list(0x555589059660, 24 [pid 5855] set_robust_list(0x555589059660, 24 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] close(16 [pid 5857] chdir("./2" [ 79.985663][ T5852] vfs_mkdir+0x2f9/0x4f0 [ 79.989964][ T5852] do_mkdirat+0x264/0x3a0 [ 79.994370][ T5852] ? __phys_addr_symbol+0x2f/0x70 [ 79.999411][ T5852] ? __check_object_size+0x48e/0x900 [ 80.004732][ T5852] ? __pfx_do_mkdirat+0x10/0x10 [ 80.009631][ T5852] ? strncpy_from_user+0x152/0x270 [ 80.014817][ T5852] ? getname_flags+0x1e3/0x540 [ 80.019628][ T5852] __x64_sys_mkdir+0x6c/0x80 [ 80.024257][ T5852] do_syscall_64+0xf3/0x230 [ 80.028779][ T5852] ? clear_bhb_loop+0x35/0x90 [pid 5856] chdir("./3" [pid 5857] <... chdir resumed>) = 0 [pid 5856] <... chdir resumed>) = 0 [pid 5855] chdir("./1" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... chdir resumed>) = 0 [pid 5854] close(17 [pid 5857] <... prctl resumed>) = 0 [pid 5856] <... prctl resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] setpgid(0, 0 [pid 5856] setpgid(0, 0 [pid 5854] close(18 [pid 5857] <... setpgid resumed>) = 0 [pid 5856] <... setpgid resumed>) = 0 [pid 5855] <... prctl resumed>) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5856] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5855] setpgid(0, 0 [pid 5857] <... symlink resumed>) = 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] close(19 [pid 5857] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5856] <... symlink resumed>) = 0 [pid 5855] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... symlink resumed>) = 0 [pid 5856] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5855] <... symlink resumed>) = 0 [pid 5854] close(20 [pid 5857] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5856] <... symlink resumed>) = 0 [pid 5855] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... symlink resumed>) = 0 [pid 5856] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5855] <... symlink resumed>) = 0 [pid 5854] close(21 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... symlink resumed>) = 0 [pid 5855] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... openat resumed>) = 3 [pid 5857] write(3, "1000", 4 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... symlink resumed>) = 0 [pid 5854] close(22 [pid 5857] <... write resumed>) = 4 [pid 5856] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(3 [pid 5855] <... openat resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5856] write(3, "1000", 4 [pid 5854] close(23 [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... write resumed>) = 4 [pid 5855] write(3, "1000", 4 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... symlink resumed>) = 0 [pid 5856] close(3 [pid 5855] <... write resumed>) = 4 executing program [pid 5854] close(24 [pid 5857] write(1, "executing program\n", 18 [pid 5856] <... close resumed>) = 0 [pid 5855] close(3 [pid 5857] <... write resumed>) = 18 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] perf_event_open( [pid 5856] <... symlink resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] close(25 [pid 5857] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5857] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWRexecuting program [pid 5856] write(1, "executing program\n", 18 [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... openat resumed>) = 4 [pid 5856] <... write resumed>) = 18 [pid 5855] <... symlink resumed>) = 0 [pid 5854] close(26 [pid 5857] write(4, "8", 1executing program [pid 5856] perf_event_open( [pid 5855] write(1, "executing program\n", 18 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... write resumed>) = 1 [pid 5856] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5855] <... write resumed>) = 18 [pid 5857] mkdir("./cgroup/file0", 046450 [pid 5855] perf_event_open( [pid 5854] close(27 [pid 5857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5855] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=333, sample_period=8462, sample_type=PERF_SAMPLE_CPU, read_format=PERF_FORMAT_TOTAL_TIME_ENABLED|PERF_FORMAT_TOTAL_TIME_RUNNING, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_NO_GROUP|PERF_FLAG_FD_CLOEXEC) = 3 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(3 [pid 5856] <... openat resumed>) = 4 [pid 5855] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5857] <... close resumed>) = 0 [pid 5854] close(28 [pid 5857] close(4 [pid 5856] write(4, "8", 1 [pid 5855] <... openat resumed>) = 4 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = 0 [pid 5856] <... write resumed>) = 1 [pid 5855] write(4, "8", 1 [pid 5854] close(29 [pid 5857] close(5 [ 80.033487][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.039428][ T5852] RIP: 0033:0x7fc3449889c9 [ 80.043881][ T5852] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1b 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 [ 80.063534][ T5852] RSP: 002b:00007ffc05509a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 80.072009][ T5852] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3449889c9 [pid 5856] mkdir("./cgroup/file0", 046450 [pid 5855] <... write resumed>) = 1 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(6 [pid 5854] exit_group(0 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(3 [pid 5855] mkdir("./cgroup/file0", 046450 [pid 5857] close(7) = -1 EBADF (Bad file descriptor) [pid 5856] <... close resumed>) = 0 [pid 5855] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5854] <... exit_group resumed>) = ? [pid 5857] close(8) = -1 EBADF (Bad file descriptor) [pid 5856] close(4 [pid 5855] close(3 [pid 5854] +++ exited with 0 +++ [pid 5856] <... close resumed>) = 0 [pid 5856] close(5 [pid 5857] close(9 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = 0 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(6 [pid 5857] close(10 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(4 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(7 [pid 5855] <... close resumed>) = 0 [pid 5857] close(11 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(5 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(12 [pid 5856] close(8 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(6 [pid 5857] close(13 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(9 [pid 5855] close(7 [pid 5857] close(14 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(10 [pid 5857] close(15 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(8 [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(11 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] close(16 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(9 [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(12 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... openat resumed>) = 3 [pid 5857] close(17 [pid 5856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(10 [pid 5837] newfstatat(3, "", [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] close(13 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 80.080026][ T5852] RDX: 00007fc344987a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 80.088042][ T5852] RBP: 0000000000000001 R08: 00007ffc055097e7 R09: 0000000000000000 [ 80.096066][ T5852] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc05509a6c [ 80.104080][ T5852] R13: 00007ffc05509a90 R14: 00007ffc05509ad0 R15: 0000000000000001 [ 80.112109][ T5852] [ 80.115777][ T5852] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI [ 80.128440][ T5852] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 80.136878][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz-executor400 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 80.147997][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 80.158062][ T5852] RIP: 0010:perf_trace_cgroup_rstat+0x2b2/0x580 [ 80.164328][ T5852] Code: 8d 98 58 04 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fc 0c 75 00 48 8b 1b 48 83 c3 0c 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 d5 01 00 00 44 8b 2b 49 8d 5f 08 48 89 [ 80.183956][ T5852] RSP: 0018:ffffc90003f8fa80 EFLAGS: 00010003 [ 80.190029][ T5852] RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff88807ec49e00 [ 80.198005][ T5852] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b8737768 [ 80.205989][ T5852] RBP: ffffc90003f8fb70 R08: ffffffff81a90e9b R09: 1ffffffff20328d6 [ 80.213964][ T5852] R10: dffffc0000000000 R11: fffffbfff20328d7 R12: ffff8880b87376e0 [ 80.221936][ T5852] R13: 1ffff920007f1f5c R14: dffffc0000000000 R15: ffffe8ffffd36ca8 [ 80.229909][ T5852] FS: 0000555589059380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 80.238838][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.245420][ T5852] CR2: 00007fc34495e930 CR3: 000000007788e000 CR4: 00000000003526f0 [ 80.253397][ T5852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.261367][ T5852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.269341][ T5852] Call Trace: [ 80.272618][ T5852] [ 80.275555][ T5852] ? __die_body+0x5f/0xb0 [ 80.279893][ T5852] ? die_addr+0xb0/0xe0 [ 80.284049][ T5852] ? exc_general_protection+0x3dd/0x5d0 [ 80.289602][ T5852] ? asm_exc_general_protection+0x26/0x30 [ 80.295333][ T5852] ? perf_trace_buf_alloc+0x18b/0x2f0 [ 80.300713][ T5852] ? perf_trace_cgroup_rstat+0x2b2/0x580 [ 80.306354][ T5852] ? __pfx_perf_trace_cgroup_rstat+0x10/0x10 [ 80.312340][ T5852] __cgroup_rstat_lock+0x3e1/0x590 [ 80.317460][ T5852] ? cgroup_rstat_init+0x6c/0x1e0 [ 80.322513][ T5852] ? __pfx___cgroup_rstat_lock+0x10/0x10 [ 80.328178][ T5852] cgroup_rstat_flush+0x30/0x50 [ 80.333042][ T5852] cgroup_rstat_exit+0x27/0x1e0 [ 80.337918][ T5852] cgroup_mkdir+0x53a/0xd60 [ 80.342446][ T5852] ? __pfx_cgroup_mkdir+0x10/0x10 [ 80.347482][ T5852] kernfs_iop_mkdir+0x253/0x3f0 [ 80.352351][ T5852] vfs_mkdir+0x2f9/0x4f0 [ 80.356604][ T5852] do_mkdirat+0x264/0x3a0 [ 80.360940][ T5852] ? __phys_addr_symbol+0x2f/0x70 [ 80.365996][ T5852] ? __check_object_size+0x48e/0x900 [ 80.371295][ T5852] ? __pfx_do_mkdirat+0x10/0x10 [ 80.376148][ T5852] ? strncpy_from_user+0x152/0x270 [ 80.381284][ T5852] ? getname_flags+0x1e3/0x540 [ 80.386053][ T5852] __x64_sys_mkdir+0x6c/0x80 [ 80.390652][ T5852] do_syscall_64+0xf3/0x230 [ 80.395164][ T5852] ? clear_bhb_loop+0x35/0x90 [ 80.399854][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.405756][ T5852] RIP: 0033:0x7fc3449889c9 [ 80.410174][ T5852] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1b 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 [ 80.429878][ T5852] RSP: 002b:00007ffc05509a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 80.438298][ T5852] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3449889c9 [ 80.446272][ T5852] RDX: 00007fc344987a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 80.454248][ T5852] RBP: 0000000000000001 R08: 00007ffc055097e7 R09: 0000000000000000 [ 80.462220][ T5852] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc05509a6c [ 80.470190][ T5852] R13: 00007ffc05509a90 R14: 00007ffc05509ad0 R15: 0000000000000001 [ 80.478170][ T5852] [ 80.481200][ T5852] Modules linked in: [ 80.485108][ T5852] ---[ end trace 0000000000000000 ]--- [ 80.490566][ T5852] RIP: 0010:perf_trace_cgroup_rstat+0x2b2/0x580 [ 80.496816][ T5852] Code: 8d 98 58 04 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fc 0c 75 00 48 8b 1b 48 83 c3 0c 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 d5 01 00 00 44 8b 2b 49 8d 5f 08 48 89 [ 80.516423][ T5852] RSP: 0018:ffffc90003f8fa80 EFLAGS: 00010003 [ 80.522493][ T5852] RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff88807ec49e00 [ 80.530469][ T5852] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b8737768 [ 80.538442][ T5852] RBP: ffffc90003f8fb70 R08: ffffffff81a90e9b R09: 1ffffffff20328d6 [ 80.546414][ T5852] R10: dffffc0000000000 R11: fffffbfff20328d7 R12: ffff8880b87376e0 [ 80.554386][ T5852] R13: 1ffff920007f1f5c R14: dffffc0000000000 R15: ffffe8ffffd36ca8 [ 80.562356][ T5852] FS: 0000555589059380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 80.571287][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.577873][ T5852] CR2: 00007fc34495e930 CR3: 000000007788e000 CR4: 00000000003526f0 [ 80.585853][ T5852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.593825][ T5852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.601805][ T5852] Kernel panic - not syncing: Fatal exception [ 80.608182][ T5852] Kernel Offset: disabled [ 80.612507][ T5852] Rebooting in 86400 seconds..