./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor733823556 <...> Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts. execve("./syz-executor733823556", ["./syz-executor733823556"], 0x7ffc50f5fec0 /* 10 vars */) = 0 brk(NULL) = 0x555595120000 brk(0x555595120d00) = 0x555595120d00 arch_prctl(ARCH_SET_FS, 0x555595120380) = 0 set_tid_address(0x555595120650) = 5827 set_robust_list(0x555595120660, 24) = 0 rseq(0x555595120ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor733823556", 4096) = 27 getrandom("\x1c\xa9\xab\x02\xca\xf6\x0e\xd3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555595120d00 brk(0x555595141d00) = 0x555595141d00 brk(0x555595142000) = 0x555595142000 mprotect(0x7f866237e000, 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 [ 60.436708][ T5827] 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") = ? 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) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 60.581506][ T5827] cgroup: Unknown subsys name 'cpuset' [ 60.592593][ T5827] 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") = ? 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./strace-static-x86_64: Process 5828 attached , child_tidptr=0x555595120650) = 5828 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] set_robust_list(0x555595120660, 24) = 0 [pid 5828] mkdir("./syzkaller.Fkkrel", 0700./strace-static-x86_64: Process 5829 attached [pid 5827] <... clone resumed>, child_tidptr=0x555595120650) = 5829 [pid 5828] <... mkdir resumed>) = 0 [pid 5829] set_robust_list(0x555595120660, 24 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] chmod("./syzkaller.Fkkrel", 0777 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] <... chmod resumed>) = 0 [pid 5829] mkdir("./syzkaller.vHZmTh", 0700 [pid 5828] chdir("./syzkaller.Fkkrel") = 0 ./strace-static-x86_64: Process 5830 attached [pid 5829] <... mkdir resumed>) = 0 [pid 5828] unshare(CLONE_NEWPID [pid 5827] <... clone resumed>, child_tidptr=0x555595120650) = 5830 [pid 5830] set_robust_list(0x555595120660, 24 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] chmod("./syzkaller.vHZmTh", 0777 [pid 5828] <... unshare resumed>) = 0 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] <... chmod resumed>) = 0 [pid 5829] chdir("./syzkaller.vHZmTh") = 0 [pid 5829] unshare(CLONE_NEWPID) = 0 ./strace-static-x86_64: Process 5831 attached [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5831] set_robust_list(0x555595120660, 24 [pid 5830] mkdir("./syzkaller.xrY1Rf", 0700 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... set_robust_list resumed>) = 0 [pid 5832] set_robust_list(0x555595120660, 24 [pid 5831] mkdir("./syzkaller.JZ3UpB", 0700 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555595120650) = 5832 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5833 attached [pid 5827] <... clone resumed>, child_tidptr=0x555595120650) = 5831 [pid 5832] <... prctl resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x555595120650) = 5833 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] set_robust_list(0x555595120660, 24 [pid 5832] getppid( [pid 5831] chmod("./syzkaller.JZ3UpB", 0777./strace-static-x86_64: Process 5834 attached [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] <... getppid resumed>) = 0 [pid 5831] <... chmod resumed>) = 0 [pid 5830] chmod("./syzkaller.xrY1Rf", 0777 [pid 5827] <... clone resumed>, child_tidptr=0x555595120650) = 5834 [pid 5834] set_robust_list(0x555595120660, 24 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5831] chdir("./syzkaller.JZ3UpB" [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 [pid 5832] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5831] unshare(CLONE_NEWPID [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5831] <... unshare resumed>) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5834] mkdir("./syzkaller.b8qChx", 0700 [pid 5832] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] getppid( [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5830] chdir("./syzkaller.xrY1Rf"./strace-static-x86_64: Process 5835 attached [pid 5833] <... getppid resumed>) = 0 [pid 5832] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5830] <... chdir resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5830] unshare(CLONE_NEWPID [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5835] set_robust_list(0x555595120660, 24 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5831] <... clone resumed>, child_tidptr=0x555595120650) = 5835 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] chmod("./syzkaller.b8qChx", 0777 [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... chmod resumed>) = 0 [pid 5832] unshare(CLONE_NEWNS./strace-static-x86_64: Process 5836 attached ) = 0 [pid 5834] chdir("./syzkaller.b8qChx") = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_NEWPID) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached [pid 5836] set_robust_list(0x555595120660, 24 [pid 5835] <... prctl resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5832] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] getppid( [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5837] set_robust_list(0x555595120660, 24 [pid 5835] <... getppid resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5834] <... clone resumed>, child_tidptr=0x555595120650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555595120650) = 5836 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5832] unshare(CLONE_NEWIPC [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... prctl resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] unshare(CLONE_NEWNS [pid 5832] <... unshare resumed>) = 0 [pid 5837] <... prctl resumed>) = 0 [pid 5836] getppid( [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5837] getppid( [pid 5836] <... getppid resumed>) = 0 [pid 5837] <... getppid resumed>) = 0 [pid 5836] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5837] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5832] unshare(CLONE_NEWCGROUP [pid 5837] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5836] 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 5832] <... unshare resumed>) = 0 [pid 5837] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5836] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5832] unshare(CLONE_NEWUTS [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5832] <... unshare resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5832] unshare(CLONE_SYSVSEM [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5832] <... unshare resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5835] unshare(CLONE_NEWNS [pid 5833] <... mount resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5837] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5837] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] unshare(CLONE_NEWNS [pid 5835] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_NEWIPC [pid 5837] unshare(CLONE_NEWNS [pid 5836] <... unshare resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5837] <... unshare resumed>) = 0 [pid 5836] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5837] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5833] <... unshare resumed>) = 0 [pid 5832] write(3, "16777216", 8 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5833] unshare(CLONE_NEWCGROUP [pid 5832] <... write resumed>) = 8 [pid 5837] unshare(CLONE_NEWIPC [pid 5836] unshare(CLONE_NEWIPC [pid 5835] unshare(CLONE_NEWIPC [pid 5833] <... unshare resumed>) = 0 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_NEWUTS [pid 5832] close(3) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5833] unshare(CLONE_SYSVSEM [pid 5832] <... openat resumed>) = 3 [pid 5837] unshare(CLONE_NEWCGROUP [pid 5836] unshare(CLONE_NEWCGROUP [pid 5837] <... unshare resumed>) = 0 [pid 5835] unshare(CLONE_NEWCGROUP [pid 5833] <... unshare resumed>) = 0 [pid 5832] write(3, "536870912", 9 [pid 5837] unshare(CLONE_NEWUTS [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5836] unshare(CLONE_NEWUTS [pid 5835] unshare(CLONE_NEWUTS [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 9 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5832] close(3 [pid 5836] unshare(CLONE_SYSVSEM [pid 5835] unshare(CLONE_SYSVSEM [pid 5833] write(3, "16777216", 8 [pid 5832] <... close resumed>) = 0 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5833] <... write resumed>) = 8 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5837] <... unshare resumed>) = 0 [pid 5837] unshare(CLONE_SYSVSEM [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5837] <... unshare resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "16777216", 8 [pid 5835] write(3, "16777216", 8 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "1024", 4 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 8 [pid 5835] <... write resumed>) = 8 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 4 [pid 5837] write(3, "16777216", 8 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] write(3, "536870912", 9 [pid 5832] close(3 [pid 5835] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 9 [pid 5832] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] <... write resumed>) = 8 [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] write(3, "536870912", 9 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "8192", 4 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5836] write(3, "536870912", 9 [pid 5835] <... write resumed>) = 9 [pid 5833] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 9 [pid 5835] close(3 [pid 5833] write(3, "1024", 4 [pid 5832] <... write resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 4 [pid 5832] close(3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5832] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1024", 4 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5832] <... openat resumed>) = 3 [pid 5835] <... write resumed>) = 4 [pid 5837] <... openat resumed>) = 3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5837] write(3, "536870912", 9 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5832] write(3, "1024", 4 [pid 5837] <... write resumed>) = 9 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5833] write(3, "8192", 4 [pid 5832] <... write resumed>) = 4 [pid 5837] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... write resumed>) = 4 [pid 5832] close(3 [pid 5836] write(3, "1024", 4 [pid 5837] <... close resumed>) = 0 [pid 5836] <... write resumed>) = 4 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5836] close(3 [pid 5835] write(3, "8192", 4 [pid 5833] close(3 [pid 5832] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5832] <... openat resumed>) = 3 [pid 5837] write(3, "1024", 4 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 4 [pid 5836] write(3, "8192", 4 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5833] write(3, "1024", 4 [pid 5832] <... write resumed>) = 4 [pid 5832] close(3 [pid 5835] write(3, "1024", 4 [pid 5833] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5833] close(3 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5833] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] <... write resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5836] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "1024 1048576 500 1024", 21 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 21 [pid 5837] write(3, "8192", 4 [pid 5836] write(3, "1024", 4 [pid 5835] write(3, "1024", 4 [pid 5833] write(3, "1024", 4 [pid 5832] close(3 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5833] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] close(3 [pid 5832] getpid( [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5832] <... getpid resumed>) = 1 [pid 5837] <... openat resumed>) = 3 [pid 5836] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5832] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] write(3, "1024", 4 [pid 5836] <... write resumed>) = 4 [pid 5835] write(3, "1024 1048576 500 1024", 21 [pid 5833] write(3, "1024 1048576 500 1024", 21 [pid 5832] <... capget resumed>{effective=1<) = 4 [pid 5836] close(3 [pid 5835] <... write resumed>) = 21 [pid 5833] <... write resumed>) = 21 [pid 5832] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5833] close(3 [pid 5832] <... capset resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] unshare(CLONE_NEWNET [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5835] getpid( [pid 5833] getpid( [pid 5837] <... openat resumed>) = 3 [pid 5837] write(3, "1024", 4 [pid 5836] write(3, "1024 1048576 500 1024", 21 [pid 5835] <... getpid resumed>) = 1 [pid 5833] <... getpid resumed>) = 1 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 21 [pid 5836] close(3 [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5836] getpid( [pid 5837] <... openat resumed>) = 3 [pid 5836] <... getpid resumed>) = 1 [pid 5836] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5835] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] write(3, "1024 1048576 500 1024", 21 [pid 5836] <... capget resumed>{effective=1<) = 21 [pid 5836] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] close(3 [pid 5836] <... capset resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] unshare(CLONE_NEWNET [pid 5837] getpid() = 1 [pid 5837] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] <... capget resumed>{effective=1<{effective=1< [pid 5835] unshare(CLONE_NEWNET [pid 5833] <... capset resumed>) = 0 [pid 5833] unshare(CLONE_NEWNET [pid 5836] <... unshare resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "0 65535", 7) = 7 [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "100000", 6) = 6 [pid 5836] close(3) = 0 [pid 5836] mkdir("./syz-tmp", 0777) = 0 [pid 5836] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5836] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5836] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5832] <... unshare resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5837] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "0 65535", 7 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... write resumed>) = 7 [pid 5835] close(3) = 0 [pid 5837] write(3, "0 65535", 7 [pid 5836] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5837] <... write resumed>) = 7 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5837] close(3 [pid 5835] write(3, "100000", 6 [pid 5837] <... close resumed>) = 0 [pid 5836] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 6 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... mount resumed>) = 0 [pid 5835] close(3 [pid 5832] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5837] write(3, "100000", 6 [pid 5835] mkdir("./syz-tmp", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 6 [pid 5836] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5832] write(3, "0 65535", 7 [pid 5837] close(3 [pid 5832] <... write resumed>) = 7 [pid 5832] close(3) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5837] mkdir("./syz-tmp", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5832] write(3, "100000", 6) = 6 [pid 5832] close(3) = 0 [pid 5832] mkdir("./syz-tmp", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5832] <... mkdir resumed>) = 0 [pid 5832] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5833] <... unshare resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5832] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] <... mkdir resumed>) = 0 [pid 5832] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5836] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5832] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] <... openat resumed>) = 3 [pid 5832] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5837] <... mount resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] mkdir("./syz-tmp/newroot", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot", 0777 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] write(3, "0 65535", 7 [pid 5832] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5833] <... write resumed>) = 7 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5837] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5836] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5837] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5836] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5833] write(3, "100000", 6 [pid 5832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... write resumed>) = 6 [pid 5832] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [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("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5833] close(3 [pid 5832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] <... close resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5832] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5833] mkdir("./syz-tmp", 0777 [pid 5832] <... mount resumed>) = 0 [pid 5837] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5835] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5833] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5837] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] <... mkdir resumed>) = 0 [pid 5835] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5833] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5832] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5832] <... 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] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5835] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot", 0777 [pid 5832] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5837] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5836] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5832] <... mount resumed>) = 0 [pid 5837] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [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 5836] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", 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 5833] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mkdir 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 5833] mount("/dev", "./syz-tmp/newroot/dev", 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 5837] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5832] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5832] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] <... mount resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [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 5832] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5837] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5836] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp/pivot", 0777 [pid 5835] <... mount resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5837] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5835] <... mkdir resumed>) = 0 [pid 5833] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5832] <... mount resumed>) = 0 [pid 5832] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] <... pivot_root resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5837] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] chdir("/" [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5833] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5832] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/pivot", 0777 [pid 5836] umount2("./pivot", MNT_DETACH [pid 5837] <... mkdir resumed>) = 0 [pid 5837] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5836] <... umount2 resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] chroot("./newroot" [pid 5837] <... pivot_root resumed>) = 0 [pid 5836] <... chroot resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] chdir("/" [pid 5836] chdir("/" [pid 5833] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mount resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5836] mkdir("/dev/binderfs", 0777 [pid 5835] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] mkdir("./syz-tmp/pivot", 0777 [pid 5837] umount2("./pivot", MNT_DETACH [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5833] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mkdir resumed>) = 0 [pid 5836] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5837] <... umount2 resumed>) = 0 [pid 5835] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5836] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5837] chroot("./newroot" [pid 5832] <... pivot_root resumed>) = 0 [pid 5835] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5837] <... chroot resumed>) = 0 [pid 5836] getpid( [pid 5837] chdir("/" [pid 5835] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] chdir("/" [pid 5837] <... chdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/pivot", 0777 [pid 5833] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("/dev/binderfs", 0777 [pid 5836] <... getpid resumed>) = 1 [pid 5832] <... chdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5836] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5832] umount2("./pivot", MNT_DETACH [pid 5837] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5835] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5833] <... mount resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5835] <... pivot_root resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5833] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5832] chroot("./newroot" [pid 5837] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5836] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5835] chdir("/" [pid 5833] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... openat resumed>) = 3 [pid 5835] <... chdir resumed>) = 0 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] <... chroot resumed>) = 0 [pid 5835] umount2("./pivot", MNT_DETACH [pid 5836] write(3, "32", 2 [pid 5833] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] chdir("/" [pid 5836] <... write resumed>) = 2 [pid 5833] <... mount resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5836] close(3 [pid 5837] getpid( [pid 5836] <... close resumed>) = 0 [pid 5832] mkdir("/dev/binderfs", 0777 [pid 5837] <... getpid resumed>) = 1 [pid 5835] <... umount2 resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5832] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5837] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5832] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5836] <... openat resumed>) = 3 [pid 5835] chroot("./newroot" [pid 5833] <... mkdir resumed>) = 0 [pid 5835] <... chroot resumed>) = 0 [pid 5835] chdir("/" [pid 5836] write(3, "1", 1 [pid 5835] <... chdir resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] mkdir("/dev/binderfs", 0777 [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5835] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5832] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... mount resumed>) = 0 [pid 5836] <... write resumed>) = 1 [pid 5837] write(3, "32", 2 [pid 5835] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5837] <... write resumed>) = 2 [pid 5836] close(3 [pid 5833] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5832] getpid( [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... getpid resumed>) = 1 [pid 5837] <... close resumed>) = 0 [pid 5836] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5833] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5837] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5833] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5833] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "1", 1 [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] getpid( [pid 5833] <... mount resumed>) = 0 [pid 5837] <... write resumed>) = 1 [pid 5835] <... getpid resumed>) = 1 [pid 5837] close(3 [pid 5835] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5833] mkdir("./syz-tmp/pivot", 0777 [pid 5832] write(3, "32", 2 [pid 5836] write(3, "1", 1 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] write(3, "32", 2 [pid 5833] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5832] <... write resumed>) = 2 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] <... write resumed>) = 2 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... pivot_root resumed>) = 0 [pid 5832] close(3 [pid 5835] write(3, "1", 1 [pid 5837] write(3, "1", 1 [pid 5832] <... close resumed>) = 0 [pid 5833] chdir("/") = 0 [pid 5837] <... write resumed>) = 1 [pid 5836] <... write resumed>) = 1 [pid 5835] <... write resumed>) = 1 [pid 5832] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] umount2("./pivot", MNT_DETACH [pid 5832] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5833] <... umount2 resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "1", 1 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5833] chroot("./newroot" [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... chroot resumed>) = 0 [pid 5832] <... write resumed>) = 1 [pid 5833] chdir("/" [pid 5837] write(3, "313524224", 9 [pid 5836] write(3, "313524224", 9 [pid 5833] <... chdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5832] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5835] write(3, "1", 1 [pid 5832] <... mkdir resumed>) = 0 [pid 5837] <... write resumed>) = 9 [pid 5835] <... write resumed>) = 1 [pid 5833] mkdir("/dev/binderfs", 0777 [pid 5837] close(3 [pid 5835] close(3 [pid 5832] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5837] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5836] <... write resumed>) = 9 [pid 5836] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5833] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5832] <... openat resumed>) = 3 [pid 5835] write(3, "313524224", 9 [pid 5836] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 9 [pid 5836] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... mount resumed>) = 0 [pid 5835] close(3 [pid 5832] write(3, "1", 1 [pid 5836] write(3, "314572800", 9 [pid 5837] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5833] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5832] <... write resumed>) = 1 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 9 [pid 5835] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] close(3 [pid 5832] close(3 [pid 5837] write(3, "314572800", 9 [pid 5835] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5837] <... write resumed>) = 9 [pid 5836] <... close resumed>) = 0 [pid 5835] write(3, "314572800", 9 [pid 5833] getpid( [pid 5832] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] close(3 [pid 5836] mkdir("/syzcgroup/net/syz2", 0777 [pid 5837] <... close resumed>) = 0 [pid 5837] mkdir("/syzcgroup/net/syz4", 0777 [pid 5835] <... write resumed>) = 9 [pid 5833] <... getpid resumed>) = 1 [pid 5832] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5833] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5832] write(3, "313524224", 9 [pid 5835] <... close resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mkdir("/syzcgroup/net/syz3", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... write resumed>) = 9 [pid 5832] close(3 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5835] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5836] write(3, "1", 1 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5837] write(3, "1", 1) = 1 [pid 5833] write(3, "32", 2 [pid 5832] <... openat resumed>) = 3 [pid 5836] <... write resumed>) = 1 [pid 5835] write(3, "1", 1 [pid 5833] <... write resumed>) = 2 [pid 5837] close(3) = 0 [pid 5836] close(3 [pid 5835] <... write resumed>) = 1 [pid 5833] close(3 [pid 5832] write(3, "314572800", 9 [pid 5837] mkdir("./0", 0777 [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5833] <... close resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5832] <... write resumed>) = 9 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] mkdir("./0", 0777) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 61.428874][ T5836] 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] mkdir("./0", 0777 [pid 5832] <... close resumed>) = 0 ./strace-static-x86_64: Process 5844 attached [pid 5835] <... mkdir resumed>) = 0 [pid 5833] write(3, "1", 1 [pid 5844] set_robust_list(0x555595120660, 24) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555595120650) = 2 [pid 5844] chdir("./0"./strace-static-x86_64: Process 5845 attached ) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... write resumed>) = 1 [pid 5832] mkdir("/syzcgroup/net/syz1", 0777 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 ./strace-static-x86_64: Process 5846 attached [pid 5845] set_robust_list(0x555595120660, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555595120650) = 2 [pid 5833] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 5846] set_robust_list(0x555595120660, 24 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5835] <... clone resumed>, child_tidptr=0x555595120650) = 2 [pid 5832] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] chdir("./0" [pid 5844] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5846] chdir("./0" [pid 5845] <... chdir resumed>) = 0 [pid 5844] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5832] write(3, "1", 1) = 1 [pid 5832] close(3) = 0 [pid 5832] mkdir("./0", 0777 [pid 5846] <... chdir resumed>) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... symlink resumed>) = 0 [pid 5833] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... mkdir resumed>) = 0 [pid 5846] setpgid(0, 0 [pid 5845] setpgid(0, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... setpgid resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5846] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5844] write(3, "1000", 4./strace-static-x86_64: Process 5847 attached [pid 5846] <... symlink resumed>) = 0 [pid 5844] <... write resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5847] set_robust_list(0x555595120660, 24 [pid 5846] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5845] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5844] close(3 [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5832] <... clone resumed>, child_tidptr=0x555595120650) = 2 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5847] chdir("./0" [pid 5846] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5833] write(3, "1", 1 [pid 5847] <... chdir resumed>) = 0 [pid 5845] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... write resumed>) = 1 [pid 5847] <... prctl resumed>) = 0 [pid 5845] <... symlink resumed>) = 0 [pid 5847] setpgid(0, 0 [pid 5845] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5844] <... symlink resumed>) = 0 [pid 5847] <... setpgid resumed>) = 0 executing program [pid 5847] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5846] <... symlink resumed>) = 0 [pid 5833] close(3 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] write(1, "executing program\n", 18 [pid 5833] <... close resumed>) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... symlink resumed>) = 0 [pid 5844] <... write resumed>) = 18 [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5847] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5846] write(3, "1000", 4 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... symlink resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5847] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5845] write(3, "1000", 4 [pid 5844] perf_event_open( [pid 5846] <... write resumed>) = 4 [pid 5847] <... symlink resumed>) = 0 [pid 5845] <... write resumed>) = 4 [pid 5846] close(3 [pid 5833] write(3, "313524224", 9 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] close(3 [pid 5833] <... write resumed>) = 9 [pid 5846] <... close resumed>) = 0 [pid 5833] close(3 [pid 5847] <... openat resumed>) = 3 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] <... close resumed>) = 0 [pid 5844] <... 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 5847] write(3, "1000", 4 [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5847] <... write resumed>) = 4 [pid 5845] <... symlink resumed>) = 0 executing program [pid 5844] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5846] <... symlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5847] close(3 [pid 5846] write(1, "executing program\n", 18 [pid 5845] write(1, "executing program\n", 18 [pid 5847] <... close resumed>) = 0 [pid 5845] <... write resumed>) = 18 executing program [pid 5844] <... openat resumed>) = 4 [pid 5847] symlink("/dev/binderfs", "./binderfs" [pid 5845] perf_event_open( [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 18 [pid 5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5847] write(1, "executing program\n", 18 [pid 5846] perf_event_open( [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 executing program [pid 5844] write(4, "8", 1 [pid 5833] <... openat resumed>) = 3 [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] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5844] <... write resumed>) = 1 [pid 5833] write(3, "314572800", 9 [pid 5847] perf_event_open( [pid 5846] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5844] mkdir("./cgroup/file0", 046450 [pid 5833] <... write resumed>) = 9 [pid 5846] <... openat resumed>) = 4 [pid 5833] close(3) = 0 [pid 5846] write(4, "8", 1 [pid 5833] mkdir("/syzcgroup/net/syz0", 0777) = 0 [pid 5846] <... write resumed>) = 1 [pid 5846] mkdir("./cgroup/file0", 046450 [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 5845] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [ 61.584637][ T5844] FAULT_INJECTION: forcing a failure. [ 61.584637][ T5844] name failslab, interval 1, probability 0, space 0, times 1 [ 61.589707][ T5846] FAULT_INJECTION: forcing a failure. [ 61.589707][ T5846] name failslab, interval 1, probability 0, space 0, times 1 [ 61.598736][ T5844] CPU: 0 UID: 0 PID: 5844 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 61.621822][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 61.631917][ T5844] Call Trace: [ 61.635208][ T5844] [ 61.638150][ T5844] dump_stack_lvl+0x241/0x360 [ 61.642875][ T5844] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.648095][ T5844] ? __pfx__printk+0x10/0x10 [ 61.652698][ T5844] ? fs_reclaim_acquire+0x93/0x130 [ 61.657829][ T5844] ? __pfx___might_resched+0x10/0x10 [ 61.663135][ T5844] should_fail_ex+0x3b0/0x4e0 [ 61.668293][ T5844] should_failslab+0xac/0x100 [ 61.673001][ T5844] __kmalloc_noprof+0xdd/0x4c0 [ 61.677775][ T5844] ? tomoyo_encode+0x26f/0x540 [ 61.682556][ T5844] tomoyo_encode+0x26f/0x540 [ 61.687195][ T5844] tomoyo_realpath_from_path+0x59e/0x5e0 [ 61.692854][ T5844] tomoyo_path_number_perm+0x236/0x860 [ 61.698334][ T5844] ? tomoyo_path_number_perm+0x206/0x860 [ 61.703996][ T5844] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 61.709992][ T5844] ? __pfx_lock_acquire+0x10/0x10 [ 61.715029][ T5844] ? __d_add+0x4d7/0x800 [ 61.719312][ T5844] ? d_splice_alias+0x110/0x330 [ 61.724179][ T5844] ? lookup_one_qstr_excl+0x12f/0x260 [ 61.729567][ T5844] tomoyo_path_mkdir+0xe7/0x130 [pid 5833] write(3, "1", 1 [pid 5847] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 5847] write(4, "8", 1) = 1 [ 61.734441][ T5844] ? __pfx_hook_path_mkdir+0x10/0x10 [ 61.739748][ T5844] ? __pfx_tomoyo_path_mkdir+0x10/0x10 [ 61.745226][ T5844] ? __pfx_filename_create+0x10/0x10 [ 61.750521][ T5844] ? __might_fault+0xaa/0x120 [ 61.755298][ T5844] security_path_mkdir+0x171/0x370 [ 61.760434][ T5844] do_mkdirat+0x1c4/0x3a0 [ 61.764868][ T5844] ? __phys_addr_symbol+0x2f/0x70 [ 61.769904][ T5844] ? __check_object_size+0x48e/0x900 [ 61.775212][ T5844] ? __pfx_do_mkdirat+0x10/0x10 [ 61.780087][ T5844] ? strncpy_from_user+0x152/0x270 [pid 5847] mkdir("./cgroup/file0", 046450 [pid 5845] write(4, "8", 1) = 1 [ 61.785225][ T5844] ? getname_flags+0x1e3/0x540 [ 61.790007][ T5844] __x64_sys_mkdir+0x6c/0x80 [ 61.794617][ T5844] do_syscall_64+0xf3/0x230 [ 61.799145][ T5844] ? clear_bhb_loop+0x35/0x90 [ 61.803838][ T5844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.809743][ T5844] RIP: 0033:0x7f86623119c9 [ 61.814181][ T5844] 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 [ 61.833809][ T5844] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 61.842238][ T5844] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 61.850223][ T5844] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 61.858309][ T5844] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 61.866289][ T5844] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f866235903c [ 61.874265][ T5844] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000000 [ 61.882260][ T5844] [ 61.886122][ T5844] ERROR: Out of memory at tomoyo_realpath_from_path. [ 61.889817][ T5846] CPU: 1 UID: 0 PID: 5846 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 61.904093][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 61.914157][ T5846] Call Trace: [ 61.917445][ T5846] [ 61.920383][ T5846] dump_stack_lvl+0x241/0x360 [ 61.925077][ T5846] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.930283][ T5846] ? __pfx__printk+0x10/0x10 [ 61.934894][ T5846] ? __kmalloc_noprof+0xb5/0x4c0 [ 61.939873][ T5846] ? __pfx___might_resched+0x10/0x10 [ 61.945180][ T5846] should_fail_ex+0x3b0/0x4e0 [ 61.949876][ T5846] should_failslab+0xac/0x100 [ 61.954577][ T5846] __kmalloc_noprof+0xdd/0x4c0 [ 61.959347][ T5846] ? cgroup_mkdir+0x2b2/0xd60 [ 61.964062][ T5846] cgroup_mkdir+0x2b2/0xd60 [ 61.968586][ T5846] ? __pfx_cgroup_mkdir+0x10/0x10 [ 61.973613][ T5846] kernfs_iop_mkdir+0x253/0x3f0 [ 61.978481][ T5846] vfs_mkdir+0x2f9/0x4f0 [ 61.982724][ T5846] do_mkdirat+0x264/0x3a0 [ 61.987045][ T5846] ? __phys_addr_symbol+0x2f/0x70 [ 61.992069][ T5846] ? __check_object_size+0x48e/0x900 [ 61.997432][ T5846] ? __pfx_do_mkdirat+0x10/0x10 [ 62.002267][ T5846] ? strncpy_from_user+0x152/0x270 [ 62.007368][ T5846] ? getname_flags+0x1e3/0x540 [ 62.012118][ T5846] __x64_sys_mkdir+0x6c/0x80 [ 62.016693][ T5846] do_syscall_64+0xf3/0x230 [ 62.021187][ T5846] ? clear_bhb_loop+0x35/0x90 [ 62.025854][ T5846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.031737][ T5846] RIP: 0033:0x7f86623119c9 [ 62.036168][ 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 [ 62.055868][ T5846] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.064276][ T5846] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 62.072233][ T5846] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [pid 5845] mkdir("./cgroup/file0", 046450 [pid 5846] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [ 62.080189][ T5846] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 62.088144][ T5846] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f866235903c [ 62.096098][ T5846] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000000 [ 62.104067][ T5846] [ 62.111719][ T5847] FAULT_INJECTION: forcing a failure. [ 62.111719][ T5847] name failslab, interval 1, probability 0, space 0, times 0 [ 62.124988][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 62.136131][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.146184][ T5847] Call Trace: [ 62.149466][ T5847] [ 62.152391][ T5847] dump_stack_lvl+0x241/0x360 [ 62.157073][ T5847] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.162269][ T5847] ? __pfx__printk+0x10/0x10 [ 62.166874][ T5847] ? __kmalloc_cache_noprof+0x48/0x390 [ 62.172357][ T5847] ? __pfx___might_resched+0x10/0x10 [ 62.177655][ T5847] should_fail_ex+0x3b0/0x4e0 [ 62.182348][ T5847] should_failslab+0xac/0x100 [ 62.187030][ T5847] ? __pfx_css_release+0x10/0x10 [ 62.191964][ T5847] __kmalloc_cache_noprof+0x70/0x390 [ 62.197259][ T5847] ? percpu_ref_init+0xbf/0x360 [ 62.202117][ T5847] ? __pfx_css_release+0x10/0x10 [ 62.207052][ T5847] percpu_ref_init+0xbf/0x360 [ 62.211732][ T5847] ? cgroup_mkdir+0x2b2/0xd60 [ 62.216413][ T5847] cgroup_mkdir+0x2de/0xd60 [ 62.220926][ T5847] ? __pfx_cgroup_mkdir+0x10/0x10 [ 62.225950][ T5847] kernfs_iop_mkdir+0x253/0x3f0 [ 62.230819][ T5847] vfs_mkdir+0x2f9/0x4f0 [ 62.235068][ T5847] do_mkdirat+0x264/0x3a0 [ 62.239397][ T5847] ? __phys_addr_symbol+0x2f/0x70 [ 62.244417][ T5847] ? __check_object_size+0x48e/0x900 [ 62.249702][ T5847] ? __pfx_do_mkdirat+0x10/0x10 [ 62.254549][ T5847] ? strncpy_from_user+0x152/0x270 [ 62.259666][ T5847] ? getname_flags+0x1e3/0x540 [ 62.264448][ T5847] __x64_sys_mkdir+0x6c/0x80 [ 62.269053][ T5847] do_syscall_64+0xf3/0x230 [ 62.273572][ T5847] ? clear_bhb_loop+0x35/0x90 [ 62.278262][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.284157][ T5847] RIP: 0033:0x7f86623119c9 [ 62.288571][ T5847] 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 [ 62.308193][ T5847] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.316613][ T5847] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 62.324611][ T5847] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [pid 5846] close(3 [pid 5833] <... write resumed>) = 1 [pid 5846] <... close resumed>) = 0 [pid 5846] close(4 [pid 5833] close(3 [pid 5846] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5846] close(5 [pid 5833] mkdir("./0", 0777 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... mkdir resumed>) = 0 [pid 5846] close(6 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(7 [pid 5833] <... clone resumed>, child_tidptr=0x555595120650) = 2 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(8) = -1 EBADF (Bad file descriptor) [pid 5846] close(9) = -1 EBADF (Bad file descriptor) [pid 5846] close(10) = -1 EBADF (Bad file descriptor) [pid 5846] close(11) = -1 EBADF (Bad file descriptor) [pid 5846] close(12) = -1 EBADF (Bad file descriptor) [pid 5846] close(13) = -1 EBADF (Bad file descriptor) [pid 5846] close(14) = -1 EBADF (Bad file descriptor) [pid 5846] close(15) = -1 EBADF (Bad file descriptor) [pid 5846] close(16) = -1 EBADF (Bad file descriptor) [pid 5846] close(17) = -1 EBADF (Bad file descriptor) [pid 5846] close(18) = -1 EBADF (Bad file descriptor) [pid 5846] close(19) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5848 attached [pid 5847] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5846] close(20) = -1 EBADF (Bad file descriptor) [pid 5846] close(21) = -1 EBADF (Bad file descriptor) [pid 5846] close(22) = -1 EBADF (Bad file descriptor) [pid 5846] close(23) = -1 EBADF (Bad file descriptor) [pid 5846] close(24) = -1 EBADF (Bad file descriptor) [pid 5846] close(25) = -1 EBADF (Bad file descriptor) [pid 5846] close(26) = -1 EBADF (Bad file descriptor) [pid 5846] close(27) = -1 EBADF (Bad file descriptor) [pid 5846] close(28) = -1 EBADF (Bad file descriptor) [pid 5846] close(29) = -1 EBADF (Bad file descriptor) [pid 5846] exit_group(0) = ? [pid 5846] +++ exited with 0 +++ [ 62.332614][ T5847] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 62.340611][ T5847] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f866235903c [ 62.348602][ T5847] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000000 [ 62.356605][ T5847] [ 62.363602][ T5845] FAULT_INJECTION: forcing a failure. [ 62.363602][ T5845] name failslab, interval 1, probability 0, space 0, times 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=29 /* 0.29 s */} --- [ 62.377517][ T5845] CPU: 1 UID: 0 PID: 5845 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 62.388759][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.398843][ T5845] Call Trace: [ 62.402123][ T5845] [ 62.405047][ T5845] dump_stack_lvl+0x241/0x360 [ 62.409732][ T5845] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.414933][ T5845] ? __pfx__printk+0x10/0x10 [ 62.419526][ T5845] ? __kmalloc_noprof+0xb5/0x4c0 [ 62.424463][ T5845] ? __pfx___might_resched+0x10/0x10 [ 62.429749][ T5845] should_fail_ex+0x3b0/0x4e0 [ 62.434511][ T5845] should_failslab+0xac/0x100 [ 62.439200][ T5845] __kmalloc_noprof+0xdd/0x4c0 [ 62.443972][ T5845] ? cgroup_mkdir+0x2b2/0xd60 [ 62.448653][ T5845] cgroup_mkdir+0x2b2/0xd60 [ 62.453171][ T5845] ? __pfx_cgroup_mkdir+0x10/0x10 [ 62.458202][ T5845] kernfs_iop_mkdir+0x253/0x3f0 [ 62.463062][ T5845] vfs_mkdir+0x2f9/0x4f0 [ 62.467309][ T5845] do_mkdirat+0x264/0x3a0 [ 62.471641][ T5845] ? __phys_addr_symbol+0x2f/0x70 [ 62.476663][ T5845] ? __check_object_size+0x48e/0x900 [ 62.481958][ T5845] ? __pfx_do_mkdirat+0x10/0x10 [ 62.486829][ T5845] ? strncpy_from_user+0x152/0x270 [ 62.491956][ T5845] ? getname_flags+0x1e3/0x540 [ 62.496717][ T5845] __x64_sys_mkdir+0x6c/0x80 [ 62.501306][ T5845] do_syscall_64+0xf3/0x230 [ 62.505819][ T5845] ? clear_bhb_loop+0x35/0x90 [ 62.510496][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.516386][ T5845] RIP: 0033:0x7f86623119c9 [ 62.520793][ 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 [ 62.540569][ T5845] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.548989][ T5845] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 62.556971][ T5845] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 62.564951][ T5845] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 62.572925][ T5845] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f866235903c [ 62.580899][ T5845] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5848] set_robust_list(0x555595120660, 24 [pid 5847] close(3 [pid 5845] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5844] <... mkdir resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5844] close(3 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5845] close(3 [pid 5848] chdir("./0" [pid 5847] close(4 [pid 5844] <... close resumed>) = 0 [pid 5848] <... chdir resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5844] close(4 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] close(5 [pid 5844] <... close resumed>) = 0 [pid 5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] <... prctl resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(5 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] setpgid(0, 0 [pid 5847] close(6 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... setpgid resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(6 [pid 5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5848] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5847] close(7 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... symlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(7 [pid 5835] <... openat resumed>) = 3 [pid 5847] close(8 [pid 5835] newfstatat(3, "", [pid 5848] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5848] <... symlink resumed>) = 0 [pid 5847] close(9 [pid 5844] close(8 [pid 5848] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... symlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(9 [pid 5835] getdents64(3, [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] close(10 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... openat resumed>) = 3 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(10 [pid 5835] <... getdents64 resumed>0x5555951216f0 /* 6 entries */, 32768) = 176 [pid 5847] close(11 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] write(3, "1000", 4 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(11 [pid 5835] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] <... write resumed>) = 4 [pid 5847] close(12 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(3 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(12 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... close resumed>) = 0 [pid 5847] close(13 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5848] symlink("/dev/binderfs", "./binderfs" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(13 [pid 5848] <... symlink resumed>) = 0 [pid 5847] close(14 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5848] write(1, "executing program\n", 18 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(14 [pid 5835] unlink("./0/cgroup" [pid 5848] <... write resumed>) = 18 [pid 5847] close(15 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] perf_event_open( [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(16 [pid 5844] close(15 [pid 5835] <... unlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] close(17 [pid 5844] close(16 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5847] close(18 [pid 5844] close(17) = -1 EBADF (Bad file descriptor) [pid 5844] close(18) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(19 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] close(19 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(20 [pid 5835] unlink("./0/cgroup.cpu" [pid 5847] close(20 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(21 [pid 5847] close(21 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(22 [pid 5847] close(22 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(23 [pid 5835] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] close(23 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(24 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] close(24 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(25 [pid 5847] close(25 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(26 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5847] close(26 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(27 [pid 5847] close(27 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./0/cgroup.net" [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(28 [pid 5847] close(28 [pid 5844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(29) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] exit_group(0 [pid 5847] close(29 [pid 5835] <... unlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... exit_group resumed>) = ? [pid 5847] exit_group(0 [pid 5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5847] <... exit_group resumed>) = ? [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] +++ exited with 0 +++ [pid 5835] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5844] +++ exited with 0 +++ [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [ 62.588915][ T5845] [pid 5835] unlink("./0/binderfs" [pid 5848] <... 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] <... close resumed>) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5845] close(4 [pid 5848] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5845] <... close resumed>) = 0 [pid 5832] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] close(5 [pid 5835] <... unlink resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = 4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5832] newfstatat(3, "", [pid 5848] write(4, "8", 1 [pid 5845] close(6 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555951216f0 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] close(3 [pid 5832] getdents64(3, [pid 5848] <... write resumed>) = 1 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555951216f0 /* 6 entries */, 32768) = 176 [pid 5848] mkdir("./cgroup/file0", 046450 [pid 5845] close(7 [pid 5837] newfstatat(3, "", [pid 5835] rmdir("./0" [pid 5832] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] getdents64(3, [pid 5832] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5837] <... getdents64 resumed>0x5555951216f0 /* 6 entries */, 32768) = 176 [pid 5835] mkdir("./1", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... mkdir resumed>) = 0 [pid 5832] unlink("./0/cgroup" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... unlink resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5832] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./0/cgroup" [pid 5832] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5837] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] unlink("./0/cgroup.cpu" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... unlink resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5832] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./0/cgroup.cpu" [pid 5832] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5837] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... clone resumed>, child_tidptr=0x555595120650) = 3 [pid 5832] unlink("./0/cgroup.net" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... unlink resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5832] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] unlink("./0/cgroup.net" [pid 5832] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] unlink("./0/binderfs" [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... unlink resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5832] getdents64(3, [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... getdents64 resumed>0x5555951216f0 /* 0 entries */, 32768) = 0 [pid 5837] unlink("./0/binderfs" [pid 5832] close(3 [pid 5837] <... unlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 ./strace-static-x86_64: Process 5849 attached [pid 5837] getdents64(3, [pid 5832] rmdir("./0" [pid 5849] set_robust_list(0x555595120660, 24 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... getdents64 resumed>0x5555951216f0 /* 0 entries */, 32768) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5837] close(3 [pid 5832] mkdir("./1", 0777 [pid 5837] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5837] rmdir("./0" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached [pid 5837] <... rmdir resumed>) = 0 [pid 5850] set_robust_list(0x555595120660, 24 [pid 5837] mkdir("./1", 0777 [pid 5832] <... clone resumed>, child_tidptr=0x555595120650) = 3 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5850] chdir("./1" [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... chdir resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... clone resumed>, child_tidptr=0x555595120650) = 3 [pid 5850] <... prctl resumed>) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5850] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu"./strace-static-x86_64: Process 5851 attached [pid 5849] <... set_robust_list resumed>) = 0 [pid 5845] close(8 [pid 5851] set_robust_list(0x555595120660, 24 [pid 5850] <... symlink resumed>) = 0 [pid 5849] chdir("./1" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5849] <... chdir resumed>) = 0 [pid 5851] chdir("./1" [pid 5850] <... symlink resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] close(9 [pid 5851] <... chdir resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... prctl resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... openat resumed>) = 3 [pid 5849] setpgid(0, 0 [pid 5845] close(10 [pid 5851] <... prctl resumed>) = 0 [pid 5850] write(3, "1000", 4 [pid 5849] <... setpgid resumed>) = 0 [pid 5851] setpgid(0, 0 [pid 5850] <... write resumed>) = 4 [pid 5849] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] close(3 [pid 5851] <... setpgid resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5849] <... symlink resumed>) = 0 [pid 5845] close(11 [pid 5851] symlink("/syzcgroup/unified/syz4", "./cgroup" [ 62.642909][ T5848] FAULT_INJECTION: forcing a failure. [ 62.642909][ T5848] name failslab, interval 1, probability 0, space 0, times 0 [ 62.656972][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 62.668179][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.678259][ T5848] Call Trace: [ 62.681561][ T5848] [ 62.684531][ T5848] dump_stack_lvl+0x241/0x360 [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5849] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... symlink resumed>) = 0 [pid 5850] <... symlink resumed>) = 0 [pid 5849] <... symlink resumed>) = 0 [pid 5845] close(12 [pid 5851] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5849] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5851] <... symlink resumed>) = 0 [pid 5850] write(1, "executing program\n", 18 [pid 5849] <... symlink resumed>) = 0 [pid 5845] close(13 [pid 5851] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5850] <... write resumed>) = 18 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] <... symlink resumed>) = 0 [pid 5850] perf_event_open( [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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 5849] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = 3 [ 62.689262][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.694506][ T5848] ? __pfx__printk+0x10/0x10 [ 62.699146][ T5848] ? __kmalloc_noprof+0xb5/0x4c0 [ 62.704129][ T5848] ? __pfx___might_resched+0x10/0x10 [ 62.709452][ T5848] should_fail_ex+0x3b0/0x4e0 [ 62.714141][ T5848] should_failslab+0xac/0x100 [ 62.718831][ T5848] __kmalloc_noprof+0xdd/0x4c0 [ 62.723612][ T5848] ? cgroup_mkdir+0x2b2/0xd60 [ 62.728298][ T5848] cgroup_mkdir+0x2b2/0xd60 [ 62.732829][ T5848] ? __pfx_cgroup_mkdir+0x10/0x10 [ 62.737854][ T5848] kernfs_iop_mkdir+0x253/0x3f0 [ 62.742739][ T5848] vfs_mkdir+0x2f9/0x4f0 [ 62.746993][ T5848] do_mkdirat+0x264/0x3a0 [ 62.751343][ T5848] ? __phys_addr_symbol+0x2f/0x70 [ 62.756367][ T5848] ? __check_object_size+0x48e/0x900 [ 62.761660][ T5848] ? __pfx_do_mkdirat+0x10/0x10 [ 62.766510][ T5848] ? strncpy_from_user+0x152/0x270 [ 62.771629][ T5848] ? getname_flags+0x1e3/0x540 [ 62.776395][ T5848] __x64_sys_mkdir+0x6c/0x80 [ 62.780994][ T5848] do_syscall_64+0xf3/0x230 [ 62.785521][ T5848] ? clear_bhb_loop+0x35/0x90 [ 62.790232][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.796141][ T5848] RIP: 0033:0x7f86623119c9 [ 62.800564][ T5848] 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 [ 62.820192][ T5848] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.828637][ T5848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [pid 5850] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5849] write(3, "1000", 4 [pid 5845] close(14 [pid 5850] <... openat resumed>) = 4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... mkdir resumed>) = -1 ENOMEM (Cannot allocate memory) [pid 5851] write(3, "1000", 4 [pid 5850] write(4, "8", 1 [pid 5849] <... write resumed>) = 4 [pid 5848] close(3 [pid 5845] close(15 [pid 5851] <... write resumed>) = 4 [pid 5850] <... write resumed>) = 1 [pid 5849] close(3 [pid 5848] <... close resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] close(3 [pid 5850] mkdir("./cgroup/file0", 046450 [pid 5849] <... close resumed>) = 0 [pid 5848] close(4 [pid 5845] close(16 [pid 5851] <... close resumed>) = 0 [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5848] <... close resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(5) = -1 EBADF (Bad file descriptor) [pid 5849] <... symlink resumed>) = 0 [pid 5848] close(6 [pid 5845] close(17 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5849] write(1, "executing program\n", 18 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... write resumed>) = 18 executing program [pid 5848] close(7) = -1 EBADF (Bad file descriptor) [pid 5845] close(18 [pid 5849] perf_event_open( [pid 5848] close(8 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(9) = -1 EBADF (Bad file descriptor) [pid 5848] close(10) = -1 EBADF (Bad file descriptor) [pid 5848] close(11) = -1 EBADF (Bad file descriptor) [pid 5848] close(12) = -1 EBADF (Bad file descriptor) [pid 5848] close(13) = -1 EBADF (Bad file descriptor) [pid 5848] close(14) = -1 EBADF (Bad file descriptor) [pid 5848] close(15) = -1 EBADF (Bad file descriptor) [pid 5848] close(16) = -1 EBADF (Bad file descriptor) [pid 5848] close(17) = -1 EBADF (Bad file descriptor) [pid 5848] close(18) = -1 EBADF (Bad file descriptor) [pid 5848] close(19) = -1 EBADF (Bad file descriptor) [pid 5848] close(20) = -1 EBADF (Bad file descriptor) [pid 5848] close(21) = -1 EBADF (Bad file descriptor) [pid 5848] close(22) = -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) = -1 EBADF (Bad file descriptor) [pid 5848] close(27) = -1 EBADF (Bad file descriptor) [pid 5848] close(28) = -1 EBADF (Bad file descriptor) [pid 5848] close(29) = -1 EBADF (Bad file descriptor) [pid 5848] exit_group(0) = ? [ 62.836622][ T5848] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 62.844620][ T5848] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 62.852629][ T5848] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f866235903c [ 62.860618][ T5848] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000000 [ 62.868609][ T5848] [ 62.886049][ T5850] FAULT_INJECTION: forcing a failure. [pid 5851] <... symlink resumed>) = 0 [pid 5849] <... 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] close(19 [pid 5848] +++ exited with 0 +++ [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] write(1, "executing program\n", 18executing program [pid 5849] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5845] close(20 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5851] <... write resumed>) = 18 [pid 5849] <... openat resumed>) = 4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] perf_event_open( [pid 5849] write(4, "8", 1 [pid 5845] close(21 [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 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 5849] <... write resumed>) = 1 [pid 5845] close(22 [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] <... openat resumed>) = 4 [pid 5849] mkdir("./cgroup/file0", 046450 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] write(4, "8", 1 [pid 5845] close(23) = -1 EBADF (Bad file descriptor) [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5845] close(24) = -1 EBADF (Bad file descriptor) [pid 5833] <... openat resumed>) = 3 [pid 5851] <... write resumed>) = 1 [ 62.886049][ T5850] name failslab, interval 1, probability 0, space 0, times 0 [ 62.900180][ T5850] CPU: 0 UID: 0 PID: 5850 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 62.911312][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.921384][ T5850] Call Trace: [ 62.924698][ T5850] [ 62.927667][ T5850] dump_stack_lvl+0x241/0x360 [ 62.929653][ T5851] FAULT_INJECTION: forcing a failure. [pid 5845] close(25 [pid 5833] newfstatat(3, "", [pid 5851] mkdir("./cgroup/file0", 046450 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(26 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] getdents64(3, [pid 5845] close(27 [pid 5833] <... getdents64 resumed>0x5555951216f0 /* 6 entries */, 32768) = 176 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] close(28 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5845] close(29 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink("./0/cgroup" [pid 5845] exit_group(0 [pid 5833] <... unlink resumed>) = 0 [pid 5845] <... exit_group resumed>) = ? [pid 5833] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5845] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/cgroup.cpu") = 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=1 /* 0.01 s */} --- [pid 5833] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/cgroup.net") = 0 [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5836] <... restart_syscall resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] unlink("./0/binderfs" [pid 5836] newfstatat(3, "", [pid 5833] <... unlink resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5836] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555951216f0 /* 0 entries */, 32768) = 0 [pid 5836] <... getdents64 resumed>0x5555951216f0 /* 6 entries */, 32768) = 176 [pid 5833] close(3 [pid 5836] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./0" [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5833] <... rmdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] mkdir("./1", 0777 [pid 5836] unlink("./0/cgroup" [pid 5833] <... mkdir resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./0/cgroup.cpu") = 0 [pid 5836] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... clone resumed>, child_tidptr=0x555595120650) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./0/cgroup.net") = 0 [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 62.929653][ T5851] name failslab, interval 1, probability 0, space 0, times 0 [ 62.932362][ T5850] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.932394][ T5850] ? __pfx__printk+0x10/0x10 [ 62.932419][ T5850] ? kmem_cache_alloc_noprof+0x48/0x380 [ 62.932442][ T5850] ? __pfx___might_resched+0x10/0x10 [ 62.965732][ T5850] should_fail_ex+0x3b0/0x4e0 [ 62.970465][ T5850] should_failslab+0xac/0x100 [ 62.975191][ T5850] ? __kernfs_new_node+0xd8/0x870 [ 62.980255][ T5850] kmem_cache_alloc_noprof+0x70/0x380 [ 62.985649][ T5850] __kernfs_new_node+0xd8/0x870 [ 62.990511][ T5850] ? pcpu_memcg_post_alloc_hook+0x12a/0x720 [ 62.996413][ T5850] ? __pfx_pcpu_memcg_post_alloc_hook+0x10/0x10 [ 63.002652][ T5850] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.008550][ T5850] ? __pfx___kernfs_new_node+0x10/0x10 [ 63.014018][ T5850] ? cgroup_rstat_init+0x6c/0x1e0 [ 63.019048][ T5850] ? pcpu_alloc_noprof+0xfb8/0x1760 [ 63.024254][ T5850] kernfs_new_node+0x137/0x240 [ 63.029023][ T5850] kernfs_create_dir_ns+0x43/0x120 [ 63.034141][ T5850] cgroup_mkdir+0x418/0xd60 [ 63.038653][ T5850] ? __pfx_cgroup_mkdir+0x10/0x10 [ 63.043678][ T5850] kernfs_iop_mkdir+0x253/0x3f0 [ 63.048536][ T5850] vfs_mkdir+0x2f9/0x4f0 [ 63.052784][ T5850] do_mkdirat+0x264/0x3a0 [ 63.057109][ T5850] ? __phys_addr_symbol+0x2f/0x70 [ 63.062153][ T5850] ? __check_object_size+0x48e/0x900 [ 63.067467][ T5850] ? __pfx_do_mkdirat+0x10/0x10 [ 63.072328][ T5850] ? strncpy_from_user+0x152/0x270 [ 63.077444][ T5850] ? getname_flags+0x1e3/0x540 [ 63.082210][ T5850] __x64_sys_mkdir+0x6c/0x80 [ 63.086802][ T5850] do_syscall_64+0xf3/0x230 [ 63.091308][ T5850] ? clear_bhb_loop+0x35/0x90 [ 63.095992][ T5850] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.101885][ T5850] RIP: 0033:0x7f86623119c9 [ 63.106298][ T5850] 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 [ 63.125915][ T5850] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.134357][ T5850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 63.142355][ T5850] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 63.150340][ T5850] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 63.158338][ T5850] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffebdbb663c [ 63.166325][ T5850] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000001 [ 63.174315][ T5850] [ 63.177898][ T5850] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.190507][ T5850] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 63.198914][ T5850] CPU: 0 UID: 0 PID: 5850 Comm: syz-executor733 Not tainted 6.13.0-rc1-syzkaller-00032-g932fc2f19b74 #0 [ 63.210015][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.220059][ T5850] RIP: 0010:perf_trace_cgroup_rstat+0x2b2/0x580 [ 63.226386][ T5850] 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 [ 63.245983][ T5850] RSP: 0018:ffffc90003817a80 EFLAGS: 00010003 [ 63.252073][ T5850] RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff888034fc5a00 [ 63.260056][ T5850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880b8637768 [ 63.268024][ T5850] RBP: ffffc90003817b70 R08: ffffffff81a90e9b R09: 1ffffffff20328d6 [ 63.276015][ T5850] R10: dffffc0000000000 R11: fffffbfff20328d7 R12: ffff8880b86376e0 [ 63.283983][ T5850] R13: 1ffff92000702f5c R14: dffffc0000000000 R15: ffffe8ffffc36240 [ 63.291954][ T5850] FS: 0000555595120380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.300962][ T5850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.307536][ T5850] CR2: 000000002000050c CR3: 000000003388c000 CR4: 00000000003526f0 [ 63.315502][ T5850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.323478][ T5850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.331447][ T5850] Call Trace: [ 63.334719][ T5850] [ 63.337647][ T5850] ? __die_body+0x5f/0xb0 [ 63.341974][ T5850] ? die_addr+0xb0/0xe0 [ 63.346120][ T5850] ? exc_general_protection+0x3dd/0x5d0 [ 63.351663][ T5850] ? asm_exc_general_protection+0x26/0x30 [ 63.357379][ T5850] ? perf_trace_buf_alloc+0x18b/0x2f0 [ 63.362746][ T5850] ? perf_trace_cgroup_rstat+0x2b2/0x580 [ 63.368374][ T5850] ? __pfx_perf_trace_cgroup_rstat+0x10/0x10 [ 63.374349][ T5850] __cgroup_rstat_lock+0x3e1/0x590 [ 63.379455][ T5850] ? cgroup_rstat_init+0x6c/0x1e0 [ 63.384483][ T5850] ? __pfx___cgroup_rstat_lock+0x10/0x10 [ 63.390119][ T5850] cgroup_rstat_flush+0x30/0x50 [ 63.394962][ T5850] cgroup_rstat_exit+0x27/0x1e0 [ 63.399808][ T5850] cgroup_mkdir+0x53a/0xd60 [ 63.404306][ T5850] ? __pfx_cgroup_mkdir+0x10/0x10 [ 63.409411][ T5850] kernfs_iop_mkdir+0x253/0x3f0 [ 63.414257][ T5850] vfs_mkdir+0x2f9/0x4f0 [ 63.418492][ T5850] do_mkdirat+0x264/0x3a0 [ 63.422901][ T5850] ? __phys_addr_symbol+0x2f/0x70 [ 63.427924][ T5850] ? __check_object_size+0x48e/0x900 [ 63.433201][ T5850] ? __pfx_do_mkdirat+0x10/0x10 [ 63.438044][ T5850] ? strncpy_from_user+0x152/0x270 [ 63.443151][ T5850] ? getname_flags+0x1e3/0x540 [ 63.447923][ T5850] __x64_sys_mkdir+0x6c/0x80 [ 63.452507][ T5850] do_syscall_64+0xf3/0x230 [ 63.457092][ T5850] ? clear_bhb_loop+0x35/0x90 [ 63.461771][ T5850] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.467665][ T5850] RIP: 0033:0x7f86623119c9 [ 63.472072][ T5850] 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 [ 63.491930][ T5850] RSP: 002b:00007ffebdbb6618 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.500422][ T5850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86623119c9 [ 63.508391][ T5850] RDX: 00007f8662310a20 RSI: d0939199c36b4d28 RDI: 0000000020000000 [ 63.516353][ T5850] RBP: 0000000000000001 R08: 00007ffebdbb63b7 R09: 0000000000000000 [ 63.524314][ T5850] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffebdbb663c [ 63.532290][ T5850] R13: 00007ffebdbb6660 R14: 00007ffebdbb66a0 R15: 0000000000000001 [ 63.540256][ T5850] [ 63.543263][ T5850] Modules linked in: [ 63.547161][ T5850] ---[ end trace 0000000000000000 ]--- [ 63.552609][ T5850] RIP: 0010:perf_trace_cgroup_rstat+0x2b2/0x580 [ 63.558848][ T5850] 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 [ 63.578601][ T5850] RSP: 0018:ffffc90003817a80 EFLAGS: 00010003 [ 63.585007][ T5850] RAX: 0000000000000001 RBX: 000000000000000c RCX: ffff888034fc5a00 [ 63.592969][ T5850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880b8637768 [ 63.600932][ T5850] RBP: ffffc90003817b70 R08: ffffffff81a90e9b R09: 1ffffffff20328d6 [ 63.608898][ T5850] R10: dffffc0000000000 R11: fffffbfff20328d7 R12: ffff8880b86376e0 [ 63.616866][ T5850] R13: 1ffff92000702f5c R14: dffffc0000000000 R15: ffffe8ffffc36240 [ 63.624833][ T5850] FS: 0000555595120380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.633755][ T5850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.640328][ T5850] CR2: 000000002000050c CR3: 000000003388c000 CR4: 00000000003526f0 [ 63.648292][ T5850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.656253][ T5850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.664227][ T5850] Kernel panic - not syncing: Fatal exception [ 63.670525][ T5850] Kernel Offset: disabled [ 63.674837][ T5850] Rebooting in 86400 seconds..