./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2301746586 <...> Warning: Permanently added '10.128.0.219' (ED25519) to the list of known hosts. execve("./syz-executor2301746586", ["./syz-executor2301746586"], 0x7ffc04638530 /* 10 vars */) = 0 brk(NULL) = 0x55555fa8b000 brk(0x55555fa8bd00) = 0x55555fa8bd00 arch_prctl(ARCH_SET_FS, 0x55555fa8b380) = 0 set_tid_address(0x55555fa8b650) = 5845 set_robust_list(0x55555fa8b660, 24) = 0 rseq(0x55555fa8bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2301746586", 4096) = 28 getrandom("\x9e\xb2\xb9\x09\xba\xf9\xfd\xfc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555fa8bd00 brk(0x55555faacd00) = 0x55555faacd00 brk(0x55555faad000) = 0x55555faad000 mprotect(0x7fd6dd6ba000, 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 [ 57.378737][ T5845] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 57.509762][ T5845] cgroup: Unknown subsys name 'cpuset' [ 57.540059][ T5845] 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) mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555fa8b650) = 5846 ./strace-static-x86_64: Process 5846 attached [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] set_robust_list(0x55555fa8b660, 24) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5846] mkdir("./syzkaller.rORtTU", 0700 [pid 5845] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5847 [pid 5847] set_robust_list(0x55555fa8b660, 24 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5848 attached [pid 5846] chmod("./syzkaller.rORtTU", 0777 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... chmod resumed>) = 0 [pid 5846] chdir("./syzkaller.rORtTU" [pid 5845] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5848 [pid 5848] set_robust_list(0x55555fa8b660, 24 [pid 5847] mkdir("./syzkaller.scQucU", 0700 [pid 5846] <... chdir resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5846] unshare(CLONE_NEWPID [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] mkdir("./syzkaller.8Opvpm", 0700./strace-static-x86_64: Process 5849 attached [pid 5847] <... mkdir resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5849 [pid 5849] set_robust_list(0x55555fa8b660, 24 [pid 5848] <... mkdir resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] chmod("./syzkaller.8Opvpm", 0777 [pid 5847] chmod("./syzkaller.scQucU", 0777 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] mkdir("./syzkaller.IC1y2a", 0700 [pid 5848] <... chmod resumed>) = 0 [pid 5848] chdir("./syzkaller.8Opvpm") = 0 [pid 5847] <... chmod resumed>) = 0 [pid 5848] unshare(CLONE_NEWPID [pid 5849] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5851 attached ./strace-static-x86_64: Process 5850 attached [pid 5849] chmod("./syzkaller.IC1y2a", 0777 [pid 5848] <... unshare resumed>) = 0 [pid 5847] chdir("./syzkaller.scQucU" [pid 5845] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5851 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... chdir resumed>) = 0 [pid 5850] set_robust_list(0x55555fa8b660, 24 [pid 5849] <... chmod resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5850 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] unshare(CLONE_NEWPID [pid 5851] set_robust_list(0x55555fa8b660, 24./strace-static-x86_64: Process 5852 attached [pid 5850] <... prctl resumed>) = 0 [pid 5849] chdir("./syzkaller.IC1y2a" [pid 5852] set_robust_list(0x55555fa8b660, 24 [pid 5850] getppid( [pid 5849] <... chdir resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5850] <... getppid resumed>) = 0 [pid 5849] unshare(CLONE_NEWPID [pid 5851] <... set_robust_list resumed>) = 0 [pid 5849] <... unshare resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5852 [pid 5847] <... unshare resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... prctl resumed>) = 0 [pid 5851] mkdir("./syzkaller.l6ANul", 0700 [pid 5850] <... openat resumed>) = 3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached ./strace-static-x86_64: Process 5853 attached [pid 5852] getppid( [pid 5850] dup2(3, 201 [pid 5854] set_robust_list(0x55555fa8b660, 24 [pid 5853] set_robust_list(0x55555fa8b660, 24 [pid 5852] <... getppid resumed>) = 0 [pid 5850] <... dup2 resumed>) = 201 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5850] close(3 [pid 5849] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5854 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... close resumed>) = 0 [pid 5854] <... prctl resumed>) = 0 [pid 5850] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5854] getppid( [pid 5853] <... prctl resumed>) = 0 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... getppid resumed>) = 0 [pid 5853] getppid( [pid 5850] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5854] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5853] <... getppid resumed>) = 0 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5853] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5852] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5851] chmod("./syzkaller.l6ANul", 0777 [pid 5850] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5847] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5853 [pid 5854] dup2(3, 201 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... dup2 resumed>) = 201 [pid 5852] dup2(3, 201 [pid 5851] <... chmod resumed>) = 0 [pid 5852] <... dup2 resumed>) = 201 [pid 5851] chdir("./syzkaller.l6ANul" [pid 5852] close(3 [pid 5851] <... chdir resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5854] close(3 [pid 5853] dup2(3, 201 [pid 5852] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5851] unshare(CLONE_NEWPID [pid 5850] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5854] <... close resumed>) = 0 [pid 5853] <... dup2 resumed>) = 201 [pid 5852] <... prlimit64 resumed>NULL) = 0 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5853] close(3 [pid 5850] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... close resumed>) = 0 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5853] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5850] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5850] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5853] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5850] unshare(CLONE_NEWNS [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5851] <... unshare resumed>) = 0 [pid 5854] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5853] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5852] <... prlimit64 resumed>NULL) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... unshare resumed>) = 0 [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5854] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5853] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5850] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5852] <... prlimit64 resumed>NULL) = 0 [pid 5854] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5853] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, ./strace-static-x86_64: Process 5855 attached [pid 5854] <... prlimit64 resumed>NULL) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5850] unshare(CLONE_NEWIPC [pid 5855] set_robust_list(0x55555fa8b660, 24 [pid 5854] unshare(CLONE_NEWNS [pid 5853] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5852] <... prlimit64 resumed>NULL) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55555fa8b650) = 5855 [pid 5850] <... unshare resumed>) = 0 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... unshare resumed>) = 0 [pid 5853] <... prlimit64 resumed>NULL) = 0 [pid 5852] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5854] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5852] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5854] <... mount resumed>) = 0 [pid 5853] unshare(CLONE_NEWNS [pid 5852] <... prlimit64 resumed>NULL) = 0 [pid 5850] unshare(CLONE_NEWCGROUP [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] unshare(CLONE_NEWIPC [pid 5853] <... unshare resumed>) = 0 [pid 5852] unshare(CLONE_NEWNS [pid 5850] <... unshare resumed>) = 0 [pid 5854] <... unshare resumed>) = 0 [pid 5850] unshare(CLONE_NEWUTS [pid 5852] <... unshare resumed>) = 0 [pid 5855] <... prctl resumed>) = 0 [pid 5852] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5855] getppid( [pid 5854] unshare(CLONE_NEWCGROUP [pid 5853] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5852] <... mount resumed>) = 0 [pid 5855] <... getppid resumed>) = 0 [pid 5850] <... unshare resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5854] <... unshare resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [pid 5852] unshare(CLONE_NEWIPC [pid 5850] unshare(CLONE_SYSVSEM [pid 5854] unshare(CLONE_NEWUTS [pid 5853] unshare(CLONE_NEWIPC [pid 5850] <... unshare resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... unshare resumed>) = 0 [pid 5853] <... unshare resumed>) = 0 [pid 5852] <... unshare resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5854] unshare(CLONE_SYSVSEM [pid 5855] dup2(3, 201 [pid 5854] <... unshare resumed>) = 0 [pid 5852] unshare(CLONE_NEWCGROUP [pid 5850] <... openat resumed>) = 3 [pid 5855] <... dup2 resumed>) = 201 [pid 5852] <... unshare resumed>) = 0 [pid 5855] close(3 [pid 5852] unshare(CLONE_NEWUTS [pid 5855] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5853] unshare(CLONE_NEWCGROUP [pid 5850] write(3, "16777216", 8 [pid 5855] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5854] <... openat resumed>) = 3 [pid 5853] <... unshare resumed>) = 0 [pid 5852] <... unshare resumed>) = 0 [pid 5850] <... write resumed>) = 8 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5853] unshare(CLONE_NEWUTS [pid 5852] unshare(CLONE_SYSVSEM [pid 5855] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5854] write(3, "16777216", 8 [pid 5853] <... unshare resumed>) = 0 [pid 5850] close(3 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... write resumed>) = 8 [pid 5853] unshare(CLONE_SYSVSEM [pid 5852] <... unshare resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5855] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5854] close(3 [pid 5853] <... unshare resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... close resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5850] <... openat resumed>) = 3 [pid 5855] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5853] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5850] write(3, "536870912", 9 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5853] write(3, "16777216", 8 [pid 5855] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5854] write(3, "536870912", 9 [pid 5853] <... write resumed>) = 8 [pid 5850] <... write resumed>) = 9 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5854] <... write resumed>) = 9 [pid 5852] write(3, "16777216", 8 [pid 5850] close(3 [pid 5855] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5852] <... write resumed>) = 8 [pid 5855] <... prlimit64 resumed>NULL) = 0 [pid 5852] close(3 [pid 5855] unshare(CLONE_NEWNS [pid 5854] close(3 [pid 5853] close(3 [pid 5850] <... close resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5855] <... unshare resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5852] <... close resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5855] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5854] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5850] write(3, "1024", 4 [pid 5854] write(3, "1024", 4) = 4 [pid 5853] write(3, "536870912", 9 [pid 5850] <... write resumed>) = 4 [pid 5854] close(3 [pid 5853] <... write resumed>) = 9 [pid 5850] close(3 [pid 5854] <... close resumed>) = 0 [pid 5853] close(3 [pid 5850] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5853] <... close resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5853] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5854] write(3, "8192", 4 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... write resumed>) = 4 [pid 5855] unshare(CLONE_NEWIPC [pid 5852] <... openat resumed>) = 3 [pid 5854] close(3 [pid 5853] write(3, "1024", 4 [pid 5850] write(3, "8192", 4 [pid 5855] <... unshare resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5853] <... write resumed>) = 4 [pid 5852] write(3, "536870912", 9 [pid 5850] <... write resumed>) = 4 [pid 5855] unshare(CLONE_NEWCGROUP [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5853] close(3 [pid 5850] close(3 [pid 5855] <... unshare resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5853] <... close resumed>) = 0 [pid 5852] <... write resumed>) = 9 [pid 5850] <... close resumed>) = 0 [pid 5855] unshare(CLONE_NEWUTS [pid 5852] close(3 [pid 5855] <... unshare resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5855] unshare(CLONE_SYSVSEM [pid 5852] <... close resumed>) = 0 [pid 5855] <... unshare resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5854] write(3, "1024", 4 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5854] <... write resumed>) = 4 [pid 5853] write(3, "8192", 4 [pid 5855] <... openat resumed>) = 3 [pid 5852] write(3, "1024", 4 [pid 5850] <... openat resumed>) = 3 [pid 5854] close(3 [pid 5853] <... write resumed>) = 4 [pid 5852] <... write resumed>) = 4 [pid 5850] write(3, "1024", 4 [pid 5855] write(3, "16777216", 8 [pid 5854] <... close resumed>) = 0 [pid 5853] close(3 [pid 5852] close(3 [pid 5850] <... write resumed>) = 4 [pid 5855] <... write resumed>) = 8 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5853] <... close resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5850] close(3 [pid 5855] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5850] <... close resumed>) = 0 [pid 5854] write(3, "1024", 4 [pid 5853] <... openat resumed>) = 3 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5854] <... write resumed>) = 4 [pid 5853] write(3, "1024", 4 [pid 5850] <... openat resumed>) = 3 [pid 5854] close(3 [pid 5853] <... write resumed>) = 4 [pid 5850] write(3, "1024", 4 [pid 5854] <... close resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5853] close(3 [pid 5850] <... write resumed>) = 4 [pid 5854] <... openat resumed>) = 3 [pid 5853] <... close resumed>) = 0 [pid 5850] close(3) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] write(3, "1024 1048576 500 1024", 21 [pid 5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5852] <... openat resumed>) = 3 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5854] <... write resumed>) = 21 [pid 5853] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5852] write(3, "8192", 4 [pid 5855] write(3, "536870912", 9 [pid 5854] close(3 [pid 5853] write(3, "1024", 4 [pid 5852] <... write resumed>) = 4 [pid 5850] <... openat resumed>) = 3 [pid 5855] <... write resumed>) = 9 [pid 5854] <... close resumed>) = 0 [pid 5853] <... write resumed>) = 4 [pid 5852] close(3 [pid 5850] write(3, "1024 1048576 500 1024", 21 [pid 5855] close(3 [pid 5854] getpid( [pid 5853] close(3 [pid 5852] <... close resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] <... getpid resumed>) = 1 [pid 5853] <... close resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5850] <... write resumed>) = 21 [pid 5854] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5852] <... openat resumed>) = 3 [pid 5852] write(3, "1024", 4 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5854] <... capget resumed>{effective=1< [pid 5852] <... write resumed>) = 4 [pid 5850] close(3 [pid 5855] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5854] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5852] close(3 [pid 5850] <... close resumed>) = 0 [pid 5855] write(3, "1024", 4 [pid 5854] <... capset resumed>) = 0 [pid 5853] write(3, "1024 1048576 500 1024", 21 [pid 5852] <... close resumed>) = 0 [pid 5850] getpid( [pid 5854] unshare(CLONE_NEWNET [pid 5853] <... write resumed>) = 21 [pid 5850] <... getpid resumed>) = 1 [pid 5855] <... write resumed>) = 4 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5855] close(3 [pid 5852] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5852] write(3, "1024", 4 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5852] <... write resumed>) = 4 [pid 5855] <... openat resumed>) = 3 [pid 5852] close(3 [pid 5855] write(3, "8192", 4 [pid 5852] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5853] close(3 [pid 5850] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5855] close(3 [pid 5852] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5855] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5852] <... openat resumed>) = 3 [pid 5850] <... capget resumed>{effective=1< [pid 5853] getpid( [pid 5855] <... openat resumed>) = 3 [pid 5853] <... getpid resumed>) = 1 [pid 5852] write(3, "1024 1048576 500 1024", 21 [pid 5850] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5852] <... write resumed>) = 21 [pid 5855] write(3, "1024", 4 [pid 5853] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5850] <... capset resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5852] close(3 [pid 5855] close(3) = 0 [pid 5852] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] getpid() = 1 [pid 5852] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5855] write(3, "1024", 4 [pid 5852] <... capget resumed>{effective=1<) = 4 [pid 5855] close(3 [pid 5852] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5855] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5852] <... capset resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5853] <... capget resumed>{effective=1< [pid 5850] unshare(CLONE_NEWNET [pid 5855] write(3, "1024 1048576 500 1024", 21 [pid 5853] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5855] <... write resumed>) = 21 [pid 5855] close(3) = 0 [pid 5855] getpid() = 1 [pid 5855] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5853] <... capset resumed>) = 0 [pid 5853] unshare(CLONE_NEWNET [pid 5854] <... unshare resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "0 65535", 7) = 7 [pid 5854] close(3) = 0 [pid 5854] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "100000", 6) = 6 [pid 5854] close(3) = 0 [pid 5854] mkdir("./syz-tmp", 0777) = 0 [pid 5854] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 5852] <... unshare resumed>) = 0 [pid 5853] <... unshare resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5854] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5854] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5855] <... unshare resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5852] <... openat resumed>) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5850] <... unshare resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5853] <... openat resumed>) = 3 [pid 5852] write(3, "0 65535", 7 [pid 5854] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... openat resumed>) = 3 [pid 5853] write(3, "0 65535", 7 [pid 5852] <... write resumed>) = 7 [pid 5850] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5855] write(3, "0 65535", 7 [pid 5853] <... write resumed>) = 7 [pid 5852] close(3 [pid 5854] <... mount resumed>) = 0 [pid 5855] <... write resumed>) = 7 [pid 5853] close(3 [pid 5852] <... close resumed>) = 0 [pid 5854] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5853] <... close resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5855] close(3 [pid 5854] <... mkdir resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5852] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5855] <... close resumed>) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5853] write(3, "100000", 6 [pid 5855] <... openat resumed>) = 3 [pid 5854] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5852] write(3, "100000", 6 [pid 5853] <... write resumed>) = 6 [pid 5850] write(3, "0 65535", 7 [pid 5855] write(3, "100000", 6 [pid 5854] <... mount resumed>) = 0 [pid 5852] <... write resumed>) = 6 [pid 5855] <... write resumed>) = 6 [pid 5853] close(3 [pid 5850] <... write resumed>) = 7 [pid 5855] close(3 [pid 5853] <... close resumed>) = 0 [pid 5850] close(3 [pid 5855] <... close resumed>) = 0 [pid 5853] mkdir("./syz-tmp", 0777 [pid 5850] <... close resumed>) = 0 [pid 5855] mkdir("./syz-tmp", 0777 [pid 5854] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5852] close(3 [pid 5850] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5854] <... mkdir resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5852] mkdir("./syz-tmp", 0777 [pid 5850] <... openat resumed>) = 3 [pid 5855] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5853] <... mount resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] <... mkdir resumed>) = 0 [pid 5850] write(3, "100000", 6 [pid 5855] mkdir("./syz-tmp/newroot", 0777 [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5853] mkdir("./syz-tmp/newroot", 0777 [pid 5852] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5850] <... write resumed>) = 6 [pid 5855] <... mkdir resumed>) = 0 [pid 5850] close(3 [pid 5855] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5853] <... mkdir resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5853] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5850] mkdir("./syz-tmp", 0777 [pid 5855] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5850] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5855] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5854] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mkdir("./syz-tmp/newroot", 0777 [pid 5855] <... mkdir resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5855] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5850] mkdir("./syz-tmp/newroot", 0777 [pid 5854] <... mount resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5852] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5850] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5855] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5853] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5850] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5855] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5854] <... mount resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5850] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5853] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] <... mkdir resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5850] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5853] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] <... mkdir resumed>) = 0 [pid 5853] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5850] <... mount resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5855] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5852] <... mount resumed>) = 0 [pid 5850] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5853] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] <... mkdir resumed>) = 0 [pid 5855] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5852] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5854] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5850] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5850] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5850] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5853] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5852] <... mkdir resumed>) = 0 [pid 5853] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5852] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5854] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] <... mount resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5853] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5852] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5854] mkdir("./syz-tmp/pivot", 0777 [pid 5852] <... mount resumed>) = 0 [pid 5855] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] <... mount resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5855] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5852] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5850] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mount resumed>) = 0 [pid 5854] <... pivot_root resumed>) = 0 [pid 5852] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5854] chdir("/" [pid 5853] <... mkdir resumed>) = 0 [pid 5854] <... chdir resumed>) = 0 [pid 5854] umount2("./pivot", MNT_DETACH [pid 5855] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5852] <... mount resumed>) = 0 [pid 5850] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5853] <... mkdir resumed>) = 0 [pid 5854] <... umount2 resumed>) = 0 [pid 5855] <... mount resumed>) = 0 [pid 5853] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5855] mkdir("./syz-tmp/pivot", 0777 [pid 5854] chroot("./newroot" [pid 5853] <... mkdir resumed>) = 0 [pid 5852] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5850] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5855] <... mkdir resumed>) = 0 [pid 5853] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5854] <... chroot resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5854] chdir("/" [pid 5852] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5854] <... chdir resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5854] mkdir("/dev/binderfs", 0777 [pid 5855] <... pivot_root resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5852] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5853] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] <... mkdir resumed>) = 0 [pid 5855] chdir("/" [pid 5854] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5853] <... mount resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5855] <... chdir resumed>) = 0 [pid 5850] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5855] umount2("./pivot", MNT_DETACH [pid 5853] mkdir("./syz-tmp/pivot", 0777 [pid 5850] <... mkdir resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5852] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5850] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5855] <... umount2 resumed>) = 0 [pid 5854] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5853] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5852] <... mkdir resumed>) = 0 [pid 5855] chroot("./newroot" [pid 5852] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... chroot resumed>) = 0 [pid 5854] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] <... pivot_root resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5855] chdir("/" [pid 5854] getpid( [pid 5852] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5850] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5855] <... chdir resumed>) = 0 [pid 5854] <... getpid resumed>) = 1 [pid 5853] chdir("/" [pid 5852] <... mount resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5855] mkdir("/dev/binderfs", 0777 [pid 5854] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5852] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] <... chdir resumed>) = 0 [pid 5853] umount2("./pivot", MNT_DETACH [pid 5855] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5852] <... mount resumed>) = 0 [pid 5850] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5855] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5854] <... mkdir resumed>) = 0 [pid 5853] <... umount2 resumed>) = 0 [pid 5852] mkdir("./syz-tmp/pivot", 0777 [pid 5854] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5852] <... mkdir resumed>) = 0 [pid 5850] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5855] <... mount resumed>) = 0 [pid 5853] chroot("./newroot" [pid 5852] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5850] <... mount resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5850] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5853] <... chroot resumed>) = 0 [pid 5855] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5854] write(3, "32", 2 [pid 5853] chdir("/" [pid 5852] <... pivot_root resumed>) = 0 [pid 5850] <... mount resumed>) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5855] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5854] <... write resumed>) = 2 [pid 5852] chdir("/" [pid 5850] mkdir("./syz-tmp/pivot", 0777 [pid 5853] mkdir("/dev/binderfs", 0777 [pid 5854] close(3 [pid 5852] <... chdir resumed>) = 0 [pid 5855] getpid( [pid 5854] <... close resumed>) = 0 [pid 5853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5852] umount2("./pivot", MNT_DETACH [pid 5850] <... mkdir resumed>) = 0 [pid 5855] <... getpid resumed>) = 1 [pid 5854] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5853] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5855] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5854] <... openat resumed>) = 3 [pid 5852] <... umount2 resumed>) = 0 [pid 5850] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5855] <... mkdir resumed>) = 0 [pid 5854] write(3, "1", 1 [pid 5853] <... mount resumed>) = 0 [pid 5852] chroot("./newroot" [pid 5855] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5853] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5852] <... chroot resumed>) = 0 [pid 5850] <... pivot_root resumed>) = 0 [pid 5853] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] chdir("/" [pid 5850] chdir("/" [pid 5852] <... chdir resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5852] mkdir("/dev/binderfs", 0777 [pid 5853] getpid( [pid 5850] <... chdir resumed>) = 0 [pid 5853] <... getpid resumed>) = 1 [pid 5850] umount2("./pivot", MNT_DETACH [pid 5855] write(3, "32", 2 [pid 5854] <... write resumed>) = 1 [pid 5853] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5852] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5855] <... write resumed>) = 2 [pid 5854] close(3 [pid 5852] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5850] <... umount2 resumed>) = 0 [pid 5855] close(3 [pid 5854] <... close resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... mount resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5854] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5853] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5850] chroot("./newroot" [pid 5855] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5852] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5855] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] <... chroot resumed>) = 0 [pid 5852] getpid( [pid 5850] chdir("/" [pid 5855] write(3, "1", 1 [pid 5853] write(3, "32", 2 [pid 5852] <... getpid resumed>) = 1 [pid 5850] <... chdir resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5850] mkdir("/dev/binderfs", 0777 [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5853] <... write resumed>) = 2 [pid 5852] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5855] <... write resumed>) = 1 [pid 5854] <... openat resumed>) = 3 [pid 5853] close(3 [pid 5850] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5854] write(3, "1", 1 [pid 5855] close(3 [pid 5853] <... close resumed>) = 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5855] <... close resumed>) = 0 [pid 5854] <... write resumed>) = 1 [pid 5853] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] close(3) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5855] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5853] <... openat resumed>) = 3 [pid 5852] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5850] <... mount resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5854] write(3, "313524224", 9 [pid 5853] write(3, "1", 1 [pid 5852] <... openat resumed>) = 3 [pid 5850] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5855] <... mkdir resumed>) = 0 [pid 5850] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1", 1 [pid 5853] <... write resumed>) = 1 [pid 5852] write(3, "32", 2 [pid 5850] getpid( [pid 5855] <... write resumed>) = 1 [pid 5853] close(3 [pid 5852] <... write resumed>) = 2 [pid 5850] <... getpid resumed>) = 1 [pid 5855] close(3 [pid 5853] <... close resumed>) = 0 [pid 5852] close(3 [pid 5850] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5855] <... close resumed>) = 0 [pid 5853] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5852] <... close resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5854] <... write resumed>) = 9 [pid 5854] close(3) = 0 [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5854] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5852] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5850] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5855] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5855] write(3, "313524224", 9 [pid 5852] write(3, "1", 1 [pid 5850] write(3, "32", 2 [pid 5855] <... write resumed>) = 9 [pid 5854] write(3, "314572800", 9 [pid 5850] <... write resumed>) = 2 [pid 5855] close(3 [pid 5854] <... write resumed>) = 9 [pid 5854] close(3 [pid 5850] close(3 [pid 5854] <... close resumed>) = 0 [pid 5854] mkdir("/syzcgroup/net/syz3", 0777 [pid 5855] <... close resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5852] <... write resumed>) = 1 [pid 5850] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5853] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5855] <... openat resumed>) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5852] close(3 [pid 5850] <... openat resumed>) = 3 [pid 5855] write(3, "314572800", 9 [pid 5852] <... close resumed>) = 0 [pid 5855] <... write resumed>) = 9 [pid 5852] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5850] write(3, "1", 1 [pid 5855] close(3) = 0 [pid 5854] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5853] <... openat resumed>) = 3 [pid 5855] mkdir("/syzcgroup/net/syz4", 0777 [pid 5854] <... openat resumed>) = 3 [pid 5853] write(3, "1", 1 [pid 5850] <... write resumed>) = 1 [pid 5854] write(3, "1", 1 [pid 5850] close(3) = 0 [pid 5850] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5852] <... mkdir resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5850] <... mkdir resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... write resumed>) = 1 [pid 5853] <... write resumed>) = 1 [pid 5852] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] close(3 [pid 5853] close(3 [pid 5852] write(3, "1", 1 [pid 5850] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5852] <... write resumed>) = 1 [pid 5855] write(3, "1", 1 [pid 5854] mkdir("./0", 0777 [pid 5853] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5852] close(3 [pid 5850] write(3, "1", 1 [pid 5855] <... write resumed>) = 1 [pid 5852] <... close resumed>) = 0 [pid 5855] close(3 [pid 5850] <... write resumed>) = 1 [pid 5855] <... close resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5855] mkdir("./0", 0777 [pid 5853] <... openat resumed>) = 3 [pid 5855] <... mkdir resumed>) = 0 [pid 5854] <... mkdir resumed>) = 0 [pid 5850] close(3 [ 58.237182][ T5854] 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 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] write(3, "313524224", 9 [pid 5852] <... openat resumed>) = 3 [pid 5850] <... close resumed>) = 0 ./strace-static-x86_64: Process 5863 attached [pid 5863] set_robust_list(0x55555fa8b660, 24./strace-static-x86_64: Process 5864 attached ) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55555fa8b650) = 2 [pid 5854] <... clone resumed>, child_tidptr=0x55555fa8b650) = 2 [pid 5853] <... write resumed>) = 9 [pid 5852] write(3, "313524224", 9 [pid 5850] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5864] set_robust_list(0x55555fa8b660, 24 [pid 5863] chdir("./0" [pid 5853] close(3) = 0 [pid 5852] <... write resumed>) = 9 [pid 5850] <... openat resumed>) = 3 [pid 5853] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5852] close(3 [pid 5850] write(3, "313524224", 9 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... chdir resumed>) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... close resumed>) = 0 [pid 5850] <... write resumed>) = 9 [pid 5864] chdir("./0" [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... chdir resumed>) = 0 [pid 5853] write(3, "314572800", 9 [pid 5863] <... prctl resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5850] close(3 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... close resumed>) = 0 [pid 5864] <... prctl resumed>) = 0 [pid 5853] <... write resumed>) = 9 [pid 5850] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] close(3 [pid 5850] write(3, "314572800", 9 [pid 5864] setpgid(0, 0 [pid 5863] setpgid(0, 0 [pid 5853] <... close resumed>) = 0 [pid 5852] <... openat resumed>) = 3 [pid 5850] <... write resumed>) = 9 [pid 5864] <... setpgid resumed>) = 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5850] close(3 [pid 5853] mkdir("/syzcgroup/net/syz1", 0777 [pid 5863] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5852] write(3, "314572800", 9 [pid 5850] <... close resumed>) = 0 [pid 5864] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5852] <... write resumed>) = 9 [pid 5850] mkdir("/syzcgroup/net/syz0", 0777 [pid 5852] close(3 [pid 5863] <... symlink resumed>) = 0 [pid 5863] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5864] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5863] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5853] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5852] mkdir("/syzcgroup/net/syz2", 0777 [pid 5850] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5864] <... symlink resumed>) = 0 [pid 5863] <... symlink resumed>) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5850] write(3, "1", 1 [pid 5864] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] write(3, "1", 1 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] <... write resumed>) = 1 [pid 5864] <... symlink resumed>) = 0 [pid 5850] close(3) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] mkdir("./0", 0777 [pid 5853] <... write resumed>) = 1 [pid 5850] <... mkdir resumed>) = 0 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... openat resumed>) = 3 [pid 5863] <... openat resumed>) = 3 [pid 5853] close(3 [pid 5852] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5865 attached [pid 5864] write(3, "1000", 4 [pid 5863] write(3, "1000", 4 [pid 5853] <... close resumed>) = 0 [pid 5865] set_robust_list(0x55555fa8b660, 24 [pid 5850] <... clone resumed>, child_tidptr=0x55555fa8b650) = 2 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] <... write resumed>) = 4 [pid 5863] <... write resumed>) = 4 [pid 5853] mkdir("./0", 0777 [pid 5852] <... openat resumed>) = 3 [pid 5865] chdir("./0" [pid 5864] close(3 [pid 5863] close(3 [pid 5852] write(3, "1", 1 [pid 5864] <... close resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5853] <... mkdir resumed>) = 0 [pid 5852] <... write resumed>) = 1 [pid 5865] <... chdir resumed>) = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5863] symlink("/dev/binderfs", "./binderfs" [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] close(3 [pid 5865] <... prctl resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5863] <... symlink resumed>) = 0 executing program executing program [pid 5865] setpgid(0, 0 [pid 5864] write(1, "executing program\n", 18 [pid 5865] <... setpgid resumed>) = 0 [pid 5863] write(1, "executing program\n", 18 [pid 5852] <... close resumed>) = 0 [pid 5864] <... write resumed>) = 18 [pid 5852] mkdir("./0", 0777 [pid 5864] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5863] <... write resumed>) = 18 [pid 5865] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5864] <... openat resumed>) = 3 [pid 5852] <... mkdir resumed>) = 0 [pid 5865] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5866 attached [pid 5864] setns(201, 0 [pid 5863] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] set_robust_list(0x55555fa8b660, 24 [pid 5865] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5864] <... setns resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5853] <... clone resumed>, child_tidptr=0x55555fa8b650) = 2 [pid 5865] <... symlink resumed>) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5864] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5867 attached [pid 5866] chdir("./0" [pid 5864] <... socket resumed>) = 4 [pid 5863] setns(201, 0 [pid 5867] set_robust_list(0x55555fa8b660, 24 [pid 5866] <... chdir resumed>) = 0 [pid 5864] setns(3, 0 [pid 5863] <... setns resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... openat resumed>) = 3 [pid 5864] <... setns resumed>) = 0 [pid 5863] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5852] <... clone resumed>, child_tidptr=0x55555fa8b650) = 2 [pid 5867] chdir("./0" [pid 5866] <... prctl resumed>) = 0 [pid 5865] write(3, "1000", 4 [pid 5864] close(3 [pid 5863] <... socket resumed>) = 4 [pid 5867] <... chdir resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5865] <... write resumed>) = 4 [pid 5864] <... close resumed>) = 0 [pid 5863] setns(3, 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... setpgid resumed>) = 0 [pid 5865] close(3 [pid 5864] sched_setaffinity(0, 0, NULL [pid 5863] <... setns resumed>) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5866] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5865] <... close resumed>) = 0 [pid 5863] close(3 [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... symlink resumed>) = 0 [pid 5865] <... symlink resumed>) = 0 [pid 5863] <... close resumed>) = 0 executing program [pid 5867] setpgid(0, 0 [pid 5866] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5865] write(1, "executing program\n", 18 [pid 5864] sched_setaffinity(0, 0, NULL [pid 5863] sched_setaffinity(0, 0, NULL [pid 5867] <... setpgid resumed>) = 0 [pid 5866] <... symlink resumed>) = 0 [pid 5865] <... write resumed>) = 18 [pid 5865] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5863] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5866] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5865] <... openat resumed>) = 3 [pid 5864] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5863] sched_setaffinity(0, 0, NULL [pid 5865] setns(201, 0 [pid 5867] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5866] <... symlink resumed>) = 0 [pid 5865] <... setns resumed>) = 0 [pid 5864] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5863] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... symlink resumed>) = 0 [pid 5865] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5864] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5863] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5867] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5865] <... socket resumed>) = 4 [pid 5864] bind(-1, NULL, 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] setns(3, 0 [pid 5864] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5867] <... symlink resumed>) = 0 [pid 5865] <... setns resumed>) = 0 [pid 5865] close(3 [pid 5866] write(3, "1000", 4 [pid 5867] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5865] <... close resumed>) = 0 [pid 5864] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5863] bind(-1, NULL, 0 [pid 5865] sched_setaffinity(0, 0, NULL) = -1 EINVAL (Invalid argument) [pid 5864] <... socket resumed>) = 3 [pid 5863] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... write resumed>) = 4 [pid 5865] sched_setaffinity(0, 0, NULL [pid 5864] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5867] <... symlink resumed>) = 0 [pid 5866] close(3 [pid 5865] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5863] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5865] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5864] <... sendto resumed>) = 32 [pid 5865] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5863] <... socket resumed>) = 3 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... close resumed>) = 0 [pid 5865] bind(-1, NULL, 0 [pid 5864] recvfrom(3, [pid 5863] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5867] <... openat resumed>) = 3 [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=2}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5867] write(3, "1000", 4 [pid 5866] <... symlink resumed>) = 0 [pid 5865] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERICexecuting program [pid 5863] <... sendto resumed>) = 32 [pid 5867] <... write resumed>) = 4 [pid 5866] write(1, "executing program\n", 18 [pid 5865] <... socket resumed>) = 3 [pid 5864] recvfrom(3, [pid 5867] close(3 [pid 5866] <... write resumed>) = 18 [pid 5865] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5863] recvfrom(3, [pid 5864] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=2}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5867] <... close resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5865] <... sendto resumed>) = 32 [pid 5864] close(3 [pid 5863] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=2}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5866] <... openat resumed>) = 3 [pid 5865] recvfrom(3, [pid 5864] <... close resumed>) = 0 [pid 5863] recvfrom(3, [pid 5866] setns(201, 0 [pid 5865] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=2}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5864] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5863] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=2}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5867] <... symlink resumed>) = 0 [pid 5866] <... setns resumed>) = 0 [pid 5865] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=2}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 5867] write(1, "executing program\n", 18 [pid 5866] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5865] close(3 [pid 5864] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5863] close(3 [pid 5867] <... write resumed>) = 18 [pid 5866] <... socket resumed>) = 4 [pid 5867] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5866] setns(3, 0 [pid 5865] <... close resumed>) = 0 [pid 5864] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5863] <... close resumed>) = 0 [pid 5865] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... setns resumed>) = 0 [pid 5865] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5864] <... io_uring_register resumed>) = 0 [pid 5863] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5867] setns(201, 0 [pid 5866] close(3 [pid 5864] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5865] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5867] <... setns resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5864] <... io_uring_register resumed>) = 7 [pid 5863] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5867] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5866] sched_setaffinity(0, 0, NULL [pid 5865] <... io_uring_register resumed>) = 0 [pid 5864] close(3 [pid 5863] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5866] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... io_uring_register resumed>) = 0 [pid 5867] <... socket resumed>) = 4 [pid 5866] sched_setaffinity(0, 0, NULL [pid 5865] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5864] <... close resumed>) = 0 [pid 5863] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5867] setns(3, 0 [pid 5864] close(4 [pid 5867] <... setns resumed>) = 0 [pid 5866] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... io_uring_register resumed>) = 7 [pid 5863] <... io_uring_register resumed>) = 7 [pid 5866] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5863] close(3 [pid 5866] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = 0 [pid 5866] bind(-1, NULL, 0 [pid 5863] close(4 [pid 5866] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = 0 [pid 5865] close(3 [pid 5867] close(3 [pid 5866] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5864] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5866] <... socket resumed>) = 3 [pid 5865] <... close resumed>) = 0 [pid 5863] close(5 [pid 5864] close(5 [pid 5867] sched_setaffinity(0, 0, NULL [pid 5866] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5865] close(4 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... sendto resumed>) = 32 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(6 [pid 5867] sched_setaffinity(0, 0, NULL [pid 5866] recvfrom(3, [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=2}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5865] <... close resumed>) = 0 [pid 5864] close(6 [pid 5863] close(7 [pid 5867] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5866] recvfrom(3, [pid 5865] close(5 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5866] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=2}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(7 [pid 5867] bind(-1, NULL, 0 [pid 5866] close(3 [pid 5865] close(6 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(8 [pid 5867] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(8 [pid 5867] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5866] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5865] close(7 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... socket resumed>) = 3 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(9 [pid 5867] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5865] close(8 [pid 5864] close(9 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... sendto resumed>) = 32 [pid 5866] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(10 [pid 5867] recvfrom(3, [pid 5866] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5865] close(9 [pid 5864] close(10 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=2}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5866] <... io_uring_register resumed>) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(11 [pid 5867] recvfrom(3, [pid 5866] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5865] close(10 [pid 5864] close(11 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=2}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5866] <... io_uring_register resumed>) = 7 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(12 [pid 5867] close(3 [pid 5866] close(3 [pid 5865] close(11 [pid 5864] close(12 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(13 [pid 5866] close(4 [pid 5867] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5865] close(12 [pid 5864] close(13 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = 0 [pid 5867] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5866] close(5) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(6) = -1 EBADF (Bad file descriptor) [pid 5863] close(14 [pid 5866] close(7) = -1 EBADF (Bad file descriptor) [pid 5865] close(13 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5866] close(8 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(14 [pid 5863] close(15 [pid 5867] <... io_uring_register resumed>) = 0 [pid 5865] close(14 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(15 [pid 5863] close(16 [pid 5867] <... io_uring_register resumed>) = 7 [pid 5866] close(9 [pid 5865] close(15 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(3 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(17 [pid 5867] <... close resumed>) = 0 [pid 5866] close(10 [pid 5865] close(16 [pid 5864] close(16 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(4 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(18 [pid 5867] <... close resumed>) = 0 [pid 5866] close(11 [pid 5865] close(17 [pid 5864] close(17 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(5 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(19 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(12 [pid 5865] close(18 [pid 5864] close(18 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(6 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(20 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(13 [pid 5865] close(19 [pid 5864] close(19 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(7 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(21 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(14 [pid 5865] close(20 [pid 5864] close(20 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(8 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(22 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(15 [pid 5867] close(9 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(21 [pid 5864] close(21 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(16 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(23 [pid 5867] close(10 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(22 [pid 5864] close(22 [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(17 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] close(24 [pid 5867] close(11 [pid 5865] close(23 [pid 5864] close(23 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(18 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(12 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(24 [pid 5864] close(24 [pid 5863] close(25 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(19 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(13 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(20 [pid 5865] close(25 [pid 5864] close(25 [pid 5863] close(26 [pid 5867] close(14 [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(26 [pid 5864] close(26 [pid 5863] close(27 [pid 5867] close(15 [pid 5866] close(21 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(27 [pid 5867] close(16 [pid 5866] close(22 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(27 [pid 5863] close(28 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(28 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(17 [pid 5866] close(23 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(28 [pid 5863] close(29 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] close(29 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(18 [pid 5866] close(24 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] exit_group(0 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] exit_group(0 [pid 5864] close(29 [pid 5863] <... exit_group resumed>) = ? [pid 5867] close(19 [pid 5866] close(25 [pid 5865] <... exit_group resumed>) = ? [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] close(26 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] exit_group(0 [pid 5866] close(27) = -1 EBADF (Bad file descriptor) [pid 5866] close(28) = -1 EBADF (Bad file descriptor) [pid 5866] close(29) = -1 EBADF (Bad file descriptor) [pid 5866] exit_group(0) = ? [pid 5867] close(20 [pid 5866] +++ exited with 0 +++ [pid 5865] +++ exited with 0 +++ [pid 5864] <... exit_group resumed>) = ? [pid 5863] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5850] --- 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 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] +++ exited with 0 +++ [pid 5855] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] close(21 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(22 [pid 5855] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... openat resumed>) = 3 [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] <... openat resumed>) = 3 [pid 5867] close(23 [pid 5853] newfstatat(3, "", [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] newfstatat(3, "", [pid 5854] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] close(24 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] getdents64(3, [pid 5854] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] close(25 [pid 5855] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5853] getdents64(3, [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... openat resumed>) = 3 [pid 5853] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5867] close(26 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(3, "", [pid 5853] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(27 [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] getdents64(3, [pid 5853] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5867] close(28 [pid 5855] unlink("./0/cgroup" [pid 5854] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... unlink resumed>) = 0 [pid 5854] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] close(29 [pid 5855] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] unlink("./0/cgroup" [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5853] <... unlink resumed>) = 0 [pid 5867] exit_group(0 [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... exit_group resumed>) = ? [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] unlink("./0/cgroup" [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] +++ exited with 0 +++ [pid 5854] <... unlink resumed>) = 0 [pid 5853] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5855] unlink("./0/cgroup.cpu") = 0 [pid 5855] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5855] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5854] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5853] unlink("./0/cgroup.cpu" [pid 5855] unlink("./0/cgroup.net" [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] <... unlink resumed>) = 0 [pid 5855] <... unlink resumed>) = 0 [pid 5854] unlink("./0/cgroup.cpu" [pid 5853] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] --- 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 5855] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... unlink resumed>) = 0 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5855] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5855] unlink("./0/binderfs" [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] unlink("./0/cgroup.net" [pid 5855] <... unlink resumed>) = 0 [pid 5855] getdents64(3, [pid 5854] unlink("./0/cgroup.net" [pid 5853] <... unlink resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5854] <... unlink resumed>) = 0 [pid 5855] close(3 [pid 5854] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... close resumed>) = 0 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] rmdir("./0" [pid 5854] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5855] <... rmdir resumed>) = 0 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5855] mkdir("./1", 0777 [pid 5854] unlink("./0/binderfs" [pid 5855] <... mkdir resumed>) = 0 [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5853] unlink("./0/binderfs" [pid 5854] <... unlink resumed>) = 0 [pid 5853] <... unlink resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] getdents64(3, [pid 5853] getdents64(3, 0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5853] close(3 [pid 5854] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5853] <... close resumed>) = 0 [pid 5854] close(3 [pid 5853] rmdir("./0" [pid 5854] <... close resumed>) = 0 [pid 5853] <... rmdir resumed>) = 0 [pid 5854] rmdir("./0") = 0 [pid 5853] mkdir("./1", 0777 [pid 5854] mkdir("./1", 0777 [pid 5853] <... mkdir resumed>) = 0 [ 58.515073][ T3508] ------------[ cut here ]------------ [ 58.520654][ T3508] WARNING: CPU: 1 PID: 3508 at io_uring/io_uring.h:142 io_get_cqe_overflow+0x43f/0x590 [ 58.530426][ T3508] Modules linked in: [ 58.534990][ T3508] CPU: 1 UID: 0 PID: 3508 Comm: kworker/u8:8 Not tainted 6.12.0-rc5-next-20241101-syzkaller #0 [ 58.545739][ T3508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.555890][ T3508] Workqueue: iou_exit io_ring_exit_work [pid 5852] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5868 attached [pid 5855] <... clone resumed>, child_tidptr=0x55555fa8b650) = 3 [pid 5854] <... mkdir resumed>) = 0 [pid 5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] set_robust_list(0x55555fa8b660, 24) = 0 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5868] chdir("./1" [pid 5853] <... clone resumed>, child_tidptr=0x55555fa8b650) = 3 [pid 5852] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5870 attached [pid 5870] set_robust_list(0x55555fa8b660, 24 [pid 5854] <... clone resumed>, child_tidptr=0x55555fa8b650) = 3 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5870] chdir("./1") = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5868] <... chdir resumed>) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5868] <... prctl resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5870] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5868] <... setpgid resumed>) = 0 [pid 5868] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5870] <... symlink resumed>) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] <... symlink resumed>) = 0 [pid 5868] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5852] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5852] getdents64(3, [pid 5868] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5870] write(3, "1000", 4 [pid 5852] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5870] <... write resumed>) = 4 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5868] <... openat resumed>) = 3 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] write(3, "1000", 4 [pid 5852] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5850] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] close(3 [pid 5868] <... write resumed>) = 4 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... openat resumed>) = 3 [pid 5870] <... close resumed>) = 0 [pid 5868] close(3 [pid 5852] unlink("./0/cgroup" [pid 5850] newfstatat(3, "", [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5868] <... close resumed>) = 0 [pid 5852] <... unlink resumed>) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5870] <... symlink resumed>) = 0 [pid 5868] symlink("/dev/binderfs", "./binderfs" [pid 5852] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] getdents64(3, executing program [pid 5870] write(1, "executing program\n", 18 [pid 5868] <... symlink resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 executing program [pid 5870] <... write resumed>) = 18 [pid 5868] write(1, "executing program\n", 18 [pid 5852] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5850] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5868] <... write resumed>) = 18 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5852] unlink("./0/cgroup.cpu" [pid 5850] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5868] <... openat resumed>) = 3 [pid 5852] <... unlink resumed>) = 0 [pid 5868] setns(201, 0 [pid 5852] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5868] <... setns resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... openat resumed>) = 3 [pid 5850] unlink("./0/cgroup" [pid 5870] setns(201, 0 [pid 5868] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5852] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5870] <... setns resumed>) = 0 [pid 5868] <... socket resumed>) = 4 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5868] setns(3, 0 [pid 5870] <... socket resumed>) = 4 [pid 5852] unlink("./0/cgroup.net" [pid 5870] setns(3, 0 [pid 5868] <... setns resumed>) = 0 [pid 5852] <... unlink resumed>) = 0 [pid 5870] <... setns resumed>) = 0 [ 58.562450][ T3508] RIP: 0010:io_get_cqe_overflow+0x43f/0x590 [ 58.568505][ T3508] Code: 0f 0b 90 e9 62 fc ff ff e8 fe 43 ec fc 90 0f 0b 90 e9 90 fe ff ff e8 f0 43 ec fc 90 0f 0b 90 e9 82 fe ff ff e8 e2 43 ec fc 90 <0f> 0b 90 e9 74 fe ff ff e8 d4 43 ec fc 90 0f 0b 90 e9 66 fe ff ff [ 58.588821][ T3508] RSP: 0018:ffffc9000d0df810 EFLAGS: 00010293 [ 58.595120][ T3508] RAX: ffffffff84a97a1e RBX: ffff888034e58000 RCX: ffff888032328000 [ 58.603510][ T3508] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [pid 5868] close(3 [pid 5852] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] close(3 [pid 5868] <... close resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... unlink resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5868] sched_setaffinity(0, 0, NULL [pid 5852] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5850] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] sched_setaffinity(0, 0, NULL [pid 5868] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5868] sched_setaffinity(0, 0, NULL [pid 5852] unlink("./0/binderfs" [pid 5850] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [ 58.611756][ T3508] RBP: 0000000000000001 R08: ffffffff84a97821 R09: fffff52001a1befc [ 58.620871][ T3508] R10: dffffc0000000000 R11: fffff52001a1befc R12: 0000000000000000 [ 58.629136][ T3508] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc9000d0df8a0 [ 58.637639][ T3508] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 58.646649][ T3508] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.653273][ T3508] CR2: 00007fd6dd6c11f0 CR3: 000000004b8ac000 CR4: 00000000003526f0 [ 58.661324][ T3508] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.669370][ T3508] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.677411][ T3508] Call Trace: [ 58.680717][ T3508] [ 58.683680][ T3508] ? __warn+0x168/0x4e0 [ 58.687927][ T3508] ? io_get_cqe_overflow+0x43f/0x590 [ 58.693253][ T3508] ? report_bug+0x2b3/0x500 [ 58.697836][ T3508] ? io_get_cqe_overflow+0x43f/0x590 [ 58.703163][ T3508] ? handle_bug+0x60/0x90 [ 58.707558][ T3508] ? exc_invalid_op+0x1a/0x50 [ 58.712273][ T3508] ? asm_exc_invalid_op+0x1a/0x20 [ 58.717389][ T3508] ? io_get_cqe_overflow+0x241/0x590 [ 58.722720][ T3508] ? io_get_cqe_overflow+0x43e/0x590 [ 58.728076][ T3508] ? io_get_cqe_overflow+0x43f/0x590 [ 58.733403][ T3508] io_post_aux_cqe+0xe5/0x420 [ 58.738153][ T3508] ? __pfx_io_post_aux_cqe+0x10/0x10 [ 58.743487][ T3508] io_free_rsrc_node+0xe3/0x220 [ 58.749295][ T3508] io_rsrc_data_free+0xf2/0x200 [ 58.754237][ T3508] io_free_file_tables+0x23/0x70 [ 58.759206][ T3508] io_sqe_files_unregister+0x53/0x140 executing program executing program executing program [pid 5870] sched_setaffinity(0, 0, NULL [pid 5868] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5852] <... unlink resumed>) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] getdents64(3, 0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5852] close(3) = 0 [pid 5868] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5850] unlink("./0/cgroup.cpu" [pid 5868] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5852] rmdir("./0" [pid 5868] bind(-1, NULL, 0 [pid 5850] <... unlink resumed>) = 0 [pid 5852] <... rmdir resumed>) = 0 [pid 5868] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5870] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5870] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5850] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5852] mkdir("./1", 0777 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] bind(-1, NULL, 0 [pid 5852] <... mkdir resumed>) = 0 [pid 5870] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5868] <... socket resumed>) = 3 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5868] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] unlink("./0/cgroup.net" [pid 5870] <... socket resumed>) = 3 [pid 5868] <... sendto resumed>) = 32 [pid 5870] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5868] recvfrom(3, [pid 5850] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5871 attached [pid 5870] <... sendto resumed>) = 32 [pid 5868] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5850] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5871] set_robust_list(0x55555fa8b660, 24 [pid 5870] recvfrom(3, [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5868] recvfrom(3, [pid 5852] <... clone resumed>, child_tidptr=0x55555fa8b650) = 3 [pid 5850] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5871] chdir("./1" [pid 5870] recvfrom(3, [pid 5868] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5871] <... chdir resumed>) = 0 [pid 5870] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5868] close(3 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] close(3 [pid 5871] <... prctl resumed>) = 0 [pid 5871] setpgid(0, 0 [pid 5870] <... close resumed>) = 0 [pid 5871] <... setpgid resumed>) = 0 [pid 5870] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5868] <... close resumed>) = 0 [pid 5871] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5870] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5868] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5850] unlink("./0/binderfs" [pid 5868] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5850] <... unlink resumed>) = 0 [pid 5871] <... symlink resumed>) = 0 [pid 5850] getdents64(3, 0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5871] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5850] close(3 [pid 5871] <... symlink resumed>) = 0 [pid 5850] <... close resumed>) = 0 [pid 5871] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5850] rmdir("./0" [pid 5871] <... symlink resumed>) = 0 [pid 5870] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5850] <... rmdir resumed>) = 0 [pid 5870] <... io_uring_register resumed>) = 0 [pid 5850] mkdir("./1", 0777 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5850] <... mkdir resumed>) = 0 [pid 5871] <... openat resumed>) = 3 [pid 5870] <... io_uring_register resumed>) = 7 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] write(3, "1000", 4 [pid 5870] close(3 [pid 5868] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5871] <... write resumed>) = 4 [pid 5868] <... io_uring_register resumed>) = 0 [pid 5871] close(3 [pid 5868] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5871] <... close resumed>) = 0 [pid 5868] <... io_uring_register resumed>) = 7 [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5870] <... close resumed>) = 0 [pid 5868] close(3 [pid 5871] <... symlink resumed>) = 0 [pid 5870] close(4 [pid 5868] <... close resumed>) = 0 [pid 5871] write(1, "executing program\n", 18 [pid 5870] <... close resumed>) = 0 [pid 5868] close(4 [pid 5871] <... write resumed>) = 18 [pid 5868] <... close resumed>) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5870] close(5 [pid 5868] close(5 [pid 5871] <... openat resumed>) = 3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] setns(201, 0 [pid 5870] close(6 [pid 5868] close(6./strace-static-x86_64: Process 5872 attached [pid 5871] <... setns resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] set_robust_list(0x55555fa8b660, 24 [pid 5871] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5870] close(7 [pid 5868] close(7 [pid 5850] <... clone resumed>, child_tidptr=0x55555fa8b650) = 3 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] <... socket resumed>) = 4 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] chdir("./1" [pid 5871] setns(3, 0 [pid 5870] close(8 [pid 5868] close(8 [pid 5872] <... chdir resumed>) = 0 [pid 5871] <... setns resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] close(3 [pid 5870] close(9 [pid 5868] close(9 [pid 5872] <... prctl resumed>) = 0 [pid 5871] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] setpgid(0, 0 [pid 5871] sched_setaffinity(0, 0, NULL [pid 5870] close(10 [pid 5868] close(10 [pid 5872] <... setpgid resumed>) = 0 [pid 5871] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5868] close(11 [pid 5871] sched_setaffinity(0, 0, NULL [pid 5870] close(11 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... symlink resumed>) = 0 [pid 5871] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(12 [pid 5872] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5871] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5870] close(12 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... symlink resumed>) = 0 [pid 5871] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5868] close(13 [pid 5872] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5871] bind(-1, NULL, 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... symlink resumed>) = 0 [pid 5871] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(13 [pid 5868] close(14 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... openat resumed>) = 3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] write(3, "1000", 4 [pid 5871] <... socket resumed>) = 3 [pid 5868] close(15 [pid 5872] <... write resumed>) = 4 [pid 5871] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5870] close(14 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(3) = 0 [pid 5871] <... sendto resumed>) = 32 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(16 [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5871] recvfrom(3, [pid 5870] close(15 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... symlink resumed>) = 0 [pid 5871] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(17 [pid 5872] write(1, "executing program\n", 18 [pid 5871] recvfrom(3, [pid 5870] close(16 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... write resumed>) = 18 [pid 5871] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(18 [pid 5872] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5871] close(3 [pid 5870] close(17 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... openat resumed>) = 3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(18 [pid 5868] close(19 [pid 5871] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] setns(201, 0 [pid 5871] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5870] close(19 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... setns resumed>) = 0 [pid 5872] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5871] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(20 [pid 5872] <... socket resumed>) = 4 [pid 5870] close(20 [pid 5872] setns(3, 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... setns resumed>) = 0 [pid 5870] close(21) = -1 EBADF (Bad file descriptor) [pid 5872] close(3 [pid 5870] close(22 [pid 5872] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] sched_setaffinity(0, 0, NULL [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5870] close(23 [pid 5868] close(21 [pid 5872] sched_setaffinity(0, 0, NULL [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5871] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(22 [pid 5872] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5871] <... io_uring_register resumed>) = 0 [pid 5870] close(24 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5871] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(23 [pid 5872] bind(-1, NULL, 0 [pid 5871] <... io_uring_register resumed>) = 7 [pid 5870] close(25 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(24 [pid 5872] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5871] <... close resumed>) = 0 [pid 5870] close(26 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... socket resumed>) = 3 [pid 5871] close(4 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(25 [pid 5872] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5871] <... close resumed>) = 0 [pid 5870] close(27 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... sendto resumed>) = 32 [pid 5871] close(5 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(26 [pid 5872] recvfrom(3, [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(28 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5871] close(6 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(27 [pid 5872] recvfrom(3, [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(29 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5872] close(3 [pid 5871] close(7 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] close(28 [pid 5872] <... close resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] exit_group(0 [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5871] close(8 [pid 5870] <... exit_group resumed>) = ? [pid 5868] close(29 [pid 5872] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(9 [pid 5870] +++ exited with 0 +++ [pid 5872] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(10 [pid 5868] exit_group(0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... exit_group resumed>) = ? [pid 5872] <... io_uring_register resumed>) = 0 [pid 5871] close(11 [pid 5868] +++ exited with 0 +++ [pid 5872] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... io_uring_register resumed>) = 7 [pid 5871] close(12 [pid 5872] close(3 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = 0 [pid 5871] close(13) = -1 EBADF (Bad file descriptor) [pid 5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5872] close(4 [pid 5871] close(14 [pid 5872] <... close resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(5 [pid 5871] close(15 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(6 [pid 5871] close(16 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5872] close(7 [pid 5871] close(17 [pid 5854] <... openat resumed>) = 3 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(8 [pid 5871] close(18 [pid 5854] newfstatat(3, "", [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5872] close(9 [pid 5871] close(19 [pid 5854] getdents64(3, [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(10 [pid 5871] close(20 [pid 5854] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(11 [pid 5871] close(21 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5872] close(12 [pid 5871] close(22 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] unlink("./1/cgroup" [pid 5872] close(13 [pid 5871] close(23 [pid 5854] <... unlink resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(14 [pid 5871] close(24 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5872] close(15 [pid 5871] close(25 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] close(16 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(26 [pid 5854] unlink("./1/cgroup.cpu" [pid 5872] close(17 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... unlink resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(27 [pid 5854] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(18 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(28 [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] close(19 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(29 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5872] close(20 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] unlink("./1/cgroup.net" [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] exit_group(0 [pid 5869] set_robust_list(0x55555fa8b660, 24 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5854] <... unlink resumed>) = 0 [pid 5872] close(21 [pid 5871] <... exit_group resumed>) = ? [pid 5869] <... set_robust_list resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5854] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] +++ exited with 0 +++ [pid 5869] chdir("./1") = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5869] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5869] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5854] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] close(22 [pid 5869] <... symlink resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5872] close(23 [pid 5869] <... openat resumed>) = 3 [pid 5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] write(3, "1000", 4 [pid 5854] unlink("./1/binderfs" [pid 5852] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5872] close(24 [pid 5869] <... write resumed>) = 4 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5854] <... unlink resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(3 [pid 5854] getdents64(3, [pid 5872] close(25 [pid 5869] <... close resumed>) = 0 [pid 5854] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5855] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(26 [pid 5869] <... symlink resumed>) = 0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(3 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] write(1, "executing program\n", 18 [pid 5855] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] <... close resumed>) = 0 [pid 5852] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] close(27 [pid 5869] <... write resumed>) = 18 [pid 5855] <... openat resumed>) = 3 [pid 5854] rmdir("./1" [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5855] newfstatat(3, "", [pid 5854] <... rmdir resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] close(28 [pid 5869] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5854] mkdir("./2", 0777 [pid 5852] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] setns(201, 0 [pid 5855] getdents64(3, [pid 5854] <... mkdir resumed>) = 0 [pid 5872] close(29 [pid 5869] <... setns resumed>) = 0 [pid 5855] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] <... openat resumed>) = 3 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5855] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] exit_group(0 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... exit_group resumed>) = ? [pid 5869] <... socket resumed>) = 4 [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5872] +++ exited with 0 +++ [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] unlink("./1/cgroup" [pid 5852] newfstatat(3, "", [pid 5869] setns(3, 0 [pid 5855] <... unlink resumed>) = 0 [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5869] <... setns resumed>) = 0 [pid 5855] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5850] restart_syscall(<... resuming interrupted clone ...> [pid 5869] close(3 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] getdents64(3, [pid 5869] <... close resumed>) = 0 [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5854] <... clone resumed>, child_tidptr=0x55555fa8b650) = 4 [pid 5852] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5869] sched_setaffinity(0, 0, NULL [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5852] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5855] unlink("./1/cgroup.cpu" [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] sched_setaffinity(0, 0, NULL [pid 5855] <... unlink resumed>) = 0 [pid 5852] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5869] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5855] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] unlink("./1/cgroup" [pid 5869] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5855] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5852] <... unlink resumed>) = 0 [pid 5869] bind(-1, NULL, 0 [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] unlink("./1/cgroup.net" [pid 5852] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5855] <... unlink resumed>) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] <... socket resumed>) = 3 [pid 5855] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5855] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5869] <... sendto resumed>) = 32 [pid 5855] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] recvfrom(3, [pid 5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5855] unlink("./1/binderfs" [pid 5852] unlink("./1/cgroup.cpu" [pid 5850] <... restart_syscall resumed>) = 0 [pid 5869] recvfrom(3, [pid 5855] <... unlink resumed>) = 0 [pid 5852] <... unlink resumed>) = 0 [pid 5869] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5855] getdents64(3, [pid 5852] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] close(3 [pid 5855] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5869] <... close resumed>) = 0 [pid 5855] close(3 [pid 5852] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5869] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5855] <... close resumed>) = 0 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5869] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5855] rmdir("./1") = 0 [pid 5855] mkdir("./2", 0777 [pid 5852] unlink("./1/cgroup.net" [pid 5850] <... openat resumed>) = 3 [pid 5855] <... mkdir resumed>) = 0 [pid 5852] <... unlink resumed>) = 0 [pid 5850] newfstatat(3, "", [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5852] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] getdents64(3, [pid 5874] set_robust_list(0x55555fa8b660, 24 [pid 5869] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5855] <... clone resumed>, child_tidptr=0x55555fa8b650) = 4 [pid 5852] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5869] <... io_uring_register resumed>) = 0 [pid 5852] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5850] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] chdir("./2" [pid 5869] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5852] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... chdir resumed>) = 0 [pid 5869] <... io_uring_register resumed>) = 7 [pid 5852] unlink("./1/binderfs" [pid 5850] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] close(3 [pid 5852] <... unlink resumed>) = 0 [pid 5874] <... prctl resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] setpgid(0, 0 [pid 5869] close(4 [pid 5852] getdents64(3, [pid 5850] unlink("./1/cgroup" [pid 5874] <... setpgid resumed>) = 0 [pid 5874] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5852] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5850] <... unlink resumed>) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5852] close(3 [pid 5850] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5869] close(5 [pid 5852] <... close resumed>) = 0 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... symlink resumed>) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] rmdir("./1" [pid 5850] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5874] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5869] close(6 [pid 5852] <... rmdir resumed>) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] mkdir("./2", 0777 [pid 5850] unlink("./1/cgroup.cpu" [pid 5869] close(7 [pid 5852] <... mkdir resumed>) = 0 [pid 5850] <... unlink resumed>) = 0 [pid 5874] <... openat resumed>) = 3 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] write(3, "1000", 4 [ 58.764671][ T3508] io_ring_ctx_free+0x49/0xdb0 [ 58.769478][ T3508] io_ring_exit_work+0x80f/0x8a0 [ 58.774581][ T3508] ? __pfx_io_ring_exit_work+0x10/0x10 [ 58.780082][ T3508] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 58.785482][ T3508] ? process_scheduled_works+0x976/0x1850 [ 58.791243][ T3508] process_scheduled_works+0xa63/0x1850 [ 58.796892][ T3508] ? __pfx_process_scheduled_works+0x10/0x10 [ 58.802915][ T3508] ? assign_work+0x364/0x3d0 [ 58.807563][ T3508] worker_thread+0x870/0xd30 [pid 5869] close(8./strace-static-x86_64: Process 5875 attached ./strace-static-x86_64: Process 5873 attached [pid 5874] <... write resumed>) = 4 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] set_robust_list(0x55555fa8b660, 24 [pid 5874] close(3 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] chdir("./2" [pid 5850] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5869] close(9 [pid 5850] unlink("./1/cgroup.net" [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... unlink resumed>) = 0 [pid 5873] <... chdir resumed>) = 0 [pid 5869] close(10 [pid 5875] set_robust_list(0x55555fa8b660, 24 [pid 5852] <... clone resumed>, child_tidptr=0x55555fa8b650) = 4 executing program [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] close(11 [pid 5874] write(1, "executing program\n", 18 [pid 5873] <... prctl resumed>) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] <... write resumed>) = 18 [pid 5873] setpgid(0, 0 [pid 5869] close(12 [pid 5850] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] <... setpgid resumed>) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5873] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5869] close(13 [pid 5850] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] unlink("./1/binderfs" [pid 5874] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5869] close(14 [pid 5850] <... unlink resumed>) = 0 [pid 5875] chdir("./2" [pid 5874] <... openat resumed>) = 3 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... symlink resumed>) = 0 [pid 5869] close(15 [pid 5850] getdents64(3, [pid 5875] <... chdir resumed>) = 0 [pid 5874] setns(201, 0 [pid 5873] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... getdents64 resumed>0x55555fa8c6f0 /* 0 entries */, 32768) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... setns resumed>) = 0 [pid 5873] <... symlink resumed>) = 0 [pid 5869] close(16 [pid 5850] close(3 [pid 5875] <... prctl resumed>) = 0 [pid 5874] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5873] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... close resumed>) = 0 [pid 5875] setpgid(0, 0 [pid 5874] <... socket resumed>) = 4 [pid 5873] <... symlink resumed>) = 0 [pid 5869] close(17 [pid 5850] rmdir("./1" [pid 5875] <... setpgid resumed>) = 0 [pid 5874] setns(3, 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... rmdir resumed>) = 0 [pid 5875] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5874] <... setns resumed>) = 0 [pid 5873] <... openat resumed>) = 3 [pid 5869] close(18 [pid 5850] mkdir("./2", 0777 [pid 5874] close(3 [pid 5873] write(3, "1000", 4 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5850] <... mkdir resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] <... write resumed>) = 4 [pid 5869] close(19 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] sched_setaffinity(0, 0, NULL [pid 5873] close(3 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(20) = -1 EBADF (Bad file descriptor) [pid 5869] close(21) = -1 EBADF (Bad file descriptor) [pid 5869] close(22 [pid 5874] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(23 [pid 5873] <... close resumed>) = 0 [pid 5874] sched_setaffinity(0, 0, NULL [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5873] <... symlink resumed>) = 0 [pid 5869] close(24 [pid 5874] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT, 0) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(25 [pid 5874] bind(-1, NULL, 0executing program ) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5873] write(1, "executing program\n", 18 [pid 5874] <... socket resumed>) = 3 [pid 5873] <... write resumed>) = 18 [pid 5873] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5869] close(26 [pid 5874] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5873] <... openat resumed>) = 3 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... sendto resumed>) = 32 [pid 5873] setns(201, 0 [pid 5869] close(27 [pid 5850] <... clone resumed>, child_tidptr=0x55555fa8b650) = 4 [pid 5874] recvfrom(3, [pid 5873] <... setns resumed>) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=4}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5873] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5869] close(28 [pid 5874] recvfrom(3, [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5873] <... socket resumed>) = 4 [pid 5874] close(3 [pid 5873] setns(3, 0 [pid 5869] close(29 [pid 5874] <... close resumed>) = 0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5873] <... setns resumed>) = 0 [pid 5869] exit_group(0 [pid 5874] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5869] <... exit_group resumed>) = ? [pid 5869] +++ exited with 0 +++ [ 58.813137][ T3508] ? __kthread_parkme+0x169/0x1d0 [ 58.818241][ T3508] ? __pfx_worker_thread+0x10/0x10 [ 58.823386][ T3508] kthread+0x2f0/0x390 [ 58.827789][ T3508] ? __pfx_worker_thread+0x10/0x10 [ 58.833260][ T3508] ? __pfx_kthread+0x10/0x10 [ 58.837998][ T3508] ret_from_fork+0x4b/0x80 [ 58.842754][ T3508] ? __pfx_kthread+0x10/0x10 [ 58.847541][ T3508] ret_from_fork_asm+0x1a/0x30 [ 58.852729][ T3508] [ 58.855832][ T3508] Kernel panic - not syncing: kernel: panic_on_warn set ... [pid 5874] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32./strace-static-x86_64: Process 5876 attached [pid 5875] <... symlink resumed>) = 0 [pid 5874] <... io_uring_register resumed>) = 0 [pid 5873] close(3 [pid 5876] set_robust_list(0x55555fa8b660, 24 [pid 5875] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5874] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5873] <... close resumed>) = 0 [pid 5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5874] <... io_uring_register resumed>) = 7 [pid 5873] sched_setaffinity(0, 0, NULL [pid 5853] restart_syscall(<... resuming interrupted clone ...> [pid 5876] chdir("./2" [pid 5875] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5874] close(3 [pid 5873] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... chdir resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] sched_setaffinity(0, 0, NULL [pid 5853] <... restart_syscall resumed>) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] close(4 [pid 5873] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... prctl resumed>) = 0 [pid 5875] <... openat resumed>) = 3 [pid 5873] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5876] setpgid(0, 0 [pid 5875] write(3, "1000", 4 [pid 5874] <... close resumed>) = 0 [pid 5873] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5876] <... setpgid resumed>) = 0 [pid 5875] <... write resumed>) = 4 [pid 5874] close(5 [pid 5873] bind(-1, NULL, 0 [pid 5876] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5875] close(3 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... bind resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] <... symlink resumed>) = 0 [pid 5876] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5875] <... close resumed>) = 0 [pid 5874] close(6 [pid 5873] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... symlink resumed>) = 0 [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... socket resumed>) = 3 [pid 5853] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5876] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5875] <... symlink resumed>) = 0 [pid 5874] close(7 [pid 5873] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 5853] <... openat resumed>) = 3 [pid 5876] <... symlink resumed>) = 0 [pid 5875] write(1, "executing program\n", 18 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... write resumed>) = 18 [pid 5874] close(8 [pid 5873] <... sendto resumed>) = 32 [pid 5853] newfstatat(3, "", [pid 5876] <... openat resumed>) = 3 [pid 5875] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] recvfrom(3, [pid 5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5876] write(3, "1000", 4 [pid 5875] <... openat resumed>) = 3 [pid 5874] close(9 [pid 5873] <... recvfrom resumed>[{nlmsg_len=996, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=4}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 [pid 5853] getdents64(3, [pid 5876] <... write resumed>) = 4 [pid 5875] setns(201, 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] recvfrom(3, [pid 5876] close(3 [pid 5875] <... setns resumed>) = 0 [pid 5874] close(10 [pid 5873] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5853] <... getdents64 resumed>0x55555fa8c6f0 /* 6 entries */, 32768) = 176 [pid 5876] <... close resumed>) = 0 [pid 5875] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(3 [pid 5853] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] symlink("/dev/binderfs", "./binderfs" [pid 5875] <... socket resumed>) = 4 [pid 5876] <... symlink resumed>) = 0 [pid 5874] close(11 [pid 5873] <... close resumed>) = 0 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] write(1, "executing program\n", 18 [pid 5875] setns(3, 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5873] io_uring_setup(8759, {flags=IORING_SETUP_CQSIZE|IORING_SETUP_CLAMP|0x3000, sq_thread_cpu=0, sq_thread_idle=0 [pid 5853] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5876] <... write resumed>) = 18 [pid 5875] <... setns resumed>) = 0 [pid 5874] close(12 [pid 5873] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=65536, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=1048640}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... openat resumed>) = 3 [pid 5875] close(3 [ 58.863127][ T3508] CPU: 1 UID: 0 PID: 3508 Comm: kworker/u8:8 Not tainted 6.12.0-rc5-next-20241101-syzkaller #0 [ 58.873461][ T3508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.883520][ T3508] Workqueue: iou_exit io_ring_exit_work [ 58.889102][ T3508] Call Trace: [ 58.892398][ T3508] [ 58.895344][ T3508] dump_stack_lvl+0x241/0x360 [ 58.900049][ T3508] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.905273][ T3508] ? __pfx__printk+0x10/0x10 [ 58.909891][ T3508] ? _printk+0xd5/0x120 [pid 5874] close(13 [pid 5853] unlink("./1/cgroup" [pid 5876] setns(201, 0 [pid 5875] <... close resumed>) = 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] io_uring_register(3, IORING_REGISTER_FILES2, {nr=7, flags=0, data=NULL, tags=NULL}, 32 [pid 5853] <... unlink resumed>) = 0 [pid 5876] <... setns resumed>) = 0 [pid 5875] sched_setaffinity(0, 0, NULL [pid 5874] close(14 [pid 5876] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_L2CAP [pid 5875] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... io_uring_register resumed>) = 0 [pid 5853] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] <... socket resumed>) = 4 [pid 5875] sched_setaffinity(0, 0, NULL [pid 5874] close(15 [pid 5873] io_uring_register(3, IORING_REGISTER_FILES_UPDATE2, {offset=0, data=[0, 0, 0, -1, 0, 0, 0], tags=[0x6c6f6f74687465, 0, 0, 0, 0, 0, 0], nr=7}, 32 [pid 5853] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] setns(3, 0 [pid 5875] <... sched_setaffinity resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] ioctl(-1, BINDER_SET_CONTEXT_MGR_EXT [pid 5874] close(16 [pid 5873] <... io_uring_register resumed>) = 7 [pid 5876] <... setns resumed>) = 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5876] close(3 [pid 5875] <... ioctl resumed>, 0) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = 0 [ 58.914078][ T3508] ? __init_begin+0x41000/0x41000 [ 58.919132][ T3508] ? vscnprintf+0x5d/0x90 [ 58.923494][ T3508] panic+0x349/0x880 [ 58.927424][ T3508] ? __warn+0x177/0x4e0 [ 58.931612][ T3508] ? __pfx_panic+0x10/0x10 [ 58.936073][ T3508] ? show_trace_log_lvl+0x3b2/0x410 [ 58.941311][ T3508] ? ret_from_fork_asm+0x1a/0x30 [ 58.946290][ T3508] __warn+0x34b/0x4e0 [ 58.950297][ T3508] ? io_get_cqe_overflow+0x43f/0x590 [ 58.955621][ T3508] report_bug+0x2b3/0x500 [ 58.959980][ T3508] ? io_get_cqe_overflow+0x43f/0x590 [ 58.965285][ T3508] handle_bug+0x60/0x90 [ 58.969444][ T3508] exc_invalid_op+0x1a/0x50 [ 58.973960][ T3508] asm_exc_invalid_op+0x1a/0x20 [ 58.978813][ T3508] RIP: 0010:io_get_cqe_overflow+0x43f/0x590 [ 58.984707][ T3508] Code: 0f 0b 90 e9 62 fc ff ff e8 fe 43 ec fc 90 0f 0b 90 e9 90 fe ff ff e8 f0 43 ec fc 90 0f 0b 90 e9 82 fe ff ff e8 e2 43 ec fc 90 <0f> 0b 90 e9 74 fe ff ff e8 d4 43 ec fc 90 0f 0b 90 e9 66 fe ff ff [ 59.004309][ T3508] RSP: 0018:ffffc9000d0df810 EFLAGS: 00010293 [ 59.010376][ T3508] RAX: ffffffff84a97a1e RBX: ffff888034e58000 RCX: ffff888032328000 [ 59.018341][ T3508] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 59.026314][ T3508] RBP: 0000000000000001 R08: ffffffff84a97821 R09: fffff52001a1befc [ 59.034548][ T3508] R10: dffffc0000000000 R11: fffff52001a1befc R12: 0000000000000000 [ 59.042601][ T3508] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc9000d0df8a0 [ 59.050588][ T3508] ? io_get_cqe_overflow+0x241/0x590 [ 59.055886][ T3508] ? io_get_cqe_overflow+0x43e/0x590 [ 59.061210][ T3508] io_post_aux_cqe+0xe5/0x420 [ 59.065893][ T3508] ? __pfx_io_post_aux_cqe+0x10/0x10 [ 59.071187][ T3508] io_free_rsrc_node+0xe3/0x220 [ 59.076039][ T3508] io_rsrc_data_free+0xf2/0x200 [ 59.080895][ T3508] io_free_file_tables+0x23/0x70 [ 59.085854][ T3508] io_sqe_files_unregister+0x53/0x140 [ 59.091219][ T3508] io_ring_ctx_free+0x49/0xdb0 [ 59.095989][ T3508] io_ring_exit_work+0x80f/0x8a0 [ 59.100932][ T3508] ? __pfx_io_ring_exit_work+0x10/0x10 [ 59.106385][ T3508] ? __pfx_io_tctx_exit_cb+0x10/0x10 [ 59.111679][ T3508] ? process_scheduled_works+0x976/0x1850 [ 59.117398][ T3508] process_scheduled_works+0xa63/0x1850 [ 59.122962][ T3508] ? __pfx_process_scheduled_works+0x10/0x10 [ 59.128949][ T3508] ? assign_work+0x364/0x3d0 [ 59.133549][ T3508] worker_thread+0x870/0xd30 [ 59.138148][ T3508] ? __kthread_parkme+0x169/0x1d0 [ 59.143174][ T3508] ? __pfx_worker_thread+0x10/0x10 [ 59.148285][ T3508] kthread+0x2f0/0x390 [ 59.152347][ T3508] ? __pfx_worker_thread+0x10/0x10 [ 59.157459][ T3508] ? __pfx_kthread+0x10/0x10 [ 59.162066][ T3508] ret_from_fork+0x4b/0x80 [ 59.166498][ T3508] ? __pfx_kthread+0x10/0x10 [ 59.171100][ T3508] ret_from_fork_asm+0x1a/0x30 [ 59.175896][ T3508] [ 59.179198][ T3508] Kernel Offset: disabled [ 59.183559][ T3508] Rebooting in 86400 seconds..