./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3099329793 <...> Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts. execve("./syz-executor3099329793", ["./syz-executor3099329793"], 0x7ffd0c486b50 /* 10 vars */) = 0 brk(NULL) = 0x55558a9cd000 brk(0x55558a9cdd40) = 0x55558a9cdd40 arch_prctl(ARCH_SET_FS, 0x55558a9cd3c0) = 0 set_tid_address(0x55558a9cd690) = 291 set_robust_list(0x55558a9cd6a0, 24) = 0 rseq(0x55558a9cdce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3099329793", 4096) = 28 getrandom("\xdb\x2d\xbb\x70\xa7\x92\x36\x28", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a9cdd40 brk(0x55558a9eed40) = 0x55558a9eed40 brk(0x55558a9ef000) = 0x55558a9ef000 mprotect(0x7f10f0806000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 292 attached , child_tidptr=0x55558a9cd690) = 292 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] set_robust_list(0x55558a9cd6a0, 24 [pid 291] <... clone resumed>, child_tidptr=0x55558a9cd690) = 293 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 293 attached ./strace-static-x86_64: Process 294 attached [pid 292] <... set_robust_list resumed>) = 0 [pid 291] <... clone resumed>, child_tidptr=0x55558a9cd690) = 294 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558a9cd690) = 295 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 295 attached [pid 294] set_robust_list(0x55558a9cd6a0, 24 [pid 293] set_robust_list(0x55558a9cd6a0, 24 [pid 292] mkdir("./syzkaller.2C0D7O", 0700 [pid 291] <... clone resumed>, child_tidptr=0x55558a9cd690) = 296 [pid 293] <... set_robust_list resumed>) = 0 [pid 292] <... mkdir resumed>) = 0 [pid 294] <... set_robust_list resumed>) = 0 [pid 293] mkdir("./syzkaller.Lvzc3n", 0700 [pid 294] mkdir("./syzkaller.9YsswV", 0700 [pid 293] <... mkdir resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 293] chmod("./syzkaller.Lvzc3n", 0777 [pid 292] chmod("./syzkaller.2C0D7O", 0777 [pid 294] chmod("./syzkaller.9YsswV", 0777 [pid 292] <... chmod resumed>) = 0 [pid 294] <... chmod resumed>) = 0 [pid 294] chdir("./syzkaller.9YsswV" [pid 293] <... chmod resumed>) = 0 [pid 292] chdir("./syzkaller.2C0D7O" [pid 294] <... chdir resumed>) = 0 [pid 293] chdir("./syzkaller.Lvzc3n" [pid 292] <... chdir resumed>) = 0 [pid 294] unshare(CLONE_NEWPID [pid 292] unshare(CLONE_NEWPID [pid 293] <... chdir resumed>) = 0 [pid 295] set_robust_list(0x55558a9cd6a0, 24 [pid 294] <... unshare resumed>) = 0 [pid 293] unshare(CLONE_NEWPID [pid 292] <... unshare resumed>) = 0 [pid 295] <... set_robust_list resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... unshare resumed>) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x55558a9cd6a0, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] getppid() = 0 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 292] <... clone resumed>, child_tidptr=0x55558a9cd690) = 297 [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 297] unshare(CLONE_NEWNS) = 0 [pid 294] <... clone resumed>, child_tidptr=0x55558a9cd690) = 299 [pid 293] <... clone resumed>, child_tidptr=0x55558a9cd690) = 298 [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 295] mkdir("./syzkaller.DeYuE8", 0700./strace-static-x86_64: Process 296 attached ) = 0 [pid 297] <... mount resumed>) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP) = 0 [pid 297] unshare(CLONE_NEWUTS) = 0 [pid 297] unshare(CLONE_SYSVSEM) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] chmod("./syzkaller.DeYuE8", 0777 [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid() = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 295] <... chmod resumed>) = 0 [pid 296] set_robust_list(0x55558a9cd6a0, 24 [pid 295] chdir("./syzkaller.DeYuE8"./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55558a9cd6a0, 24 [pid 296] <... set_robust_list resumed>) = 0 [pid 295] <... chdir resumed>) = 0 [pid 298] <... set_robust_list resumed>) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] unshare(CLONE_NEWPID./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55558a9cd6a0, 24 [pid 298] <... prctl resumed>) = 0 [pid 299] <... set_robust_list resumed>) = 0 [pid 298] getppid( [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... getppid resumed>) = 0 [pid 298] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 298] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 298] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 299] <... prctl resumed>) = 0 [pid 298] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 299] getppid( [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 299] <... getppid resumed>) = 0 [pid 298] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 299] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 298] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 299] <... prlimit64 resumed>NULL) = 0 [pid 298] unshare(CLONE_NEWNS [pid 299] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 298] <... unshare resumed>) = 0 [pid 295] <... unshare resumed>) = 0 [pid 299] <... prlimit64 resumed>NULL) = 0 [pid 299] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 299] unshare(CLONE_NEWNS) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 298] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 298] unshare(CLONE_NEWCGROUP) = 0 [pid 298] unshare(CLONE_NEWUTS [pid 299] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 298] <... unshare resumed>) = 0 [pid 299] <... mount resumed>) = 0 [pid 298] unshare(CLONE_SYSVSEM [pid 299] unshare(CLONE_NEWIPC [pid 298] <... unshare resumed>) = 0 [pid 299] <... unshare resumed>) = -1 EINVAL (Invalid argument) [pid 299] unshare(CLONE_NEWCGROUP [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 299] <... unshare resumed>) = 0 [pid 299] unshare(CLONE_NEWUTS) = 0 [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 299] unshare(CLONE_SYSVSEM) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 296] mkdir("./syzkaller.D8q2w0", 0700 [pid 295] <... clone resumed>, child_tidptr=0x55558a9cd690) = 301 [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 296] <... mkdir resumed>) = 0 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 296] chmod("./syzkaller.D8q2w0", 0777 [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 296] <... chmod resumed>) = 0 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 296] chdir("./syzkaller.D8q2w0" [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 296] <... chdir resumed>) = 0 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 297] <... unshare resumed>) = 0 [pid 296] unshare(CLONE_NEWPID [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 296] <... unshare resumed>) = 0 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 296] <... clone resumed>, child_tidptr=0x55558a9cd690) = 302 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x55558a9cd6a0, 24 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 301] <... set_robust_list resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] getppid() = 0 [pid 301] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 299] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 301] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 298] getpid( [pid 299] getpid( [pid 298] <... getpid resumed>) = 1 [pid 301] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 299] <... getpid resumed>) = 1 [pid 298] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 299] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 298] <... capget resumed>{effective=1<{effective=1< [pid 299] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 298] <... capset resumed>) = 0 [pid 299] <... capset resumed>) = 0 [pid 298] unshare(CLONE_NEWNET [pid 299] unshare(CLONE_NEWNET [pid 301] <... prlimit64 resumed>NULL) = 0 [pid 301] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 301] unshare(CLONE_NEWNS) = 0 [pid 301] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 301] unshare(CLONE_NEWCGROUP) = 0 [pid 301] unshare(CLONE_NEWUTS) = 0 [pid 301] unshare(CLONE_SYSVSEM) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] getpid() = 1 [pid 301] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 297] <... openat resumed>) = 3 [pid 297] write(3, "0 65535", 7 [pid 302] set_robust_list(0x55558a9cd6a0, 24 [pid 297] <... write resumed>) = 7 [pid 302] <... set_robust_list resumed>) = 0 [pid 297] close(3) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 302] <... prctl resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] dup2(3, 200 [pid 302] getppid() = 0 [pid 297] <... dup2 resumed>) = 200 [pid 297] close(3 [pid 302] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 297] <... close resumed>) = 0 [pid 302] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 297] ioctl(200, TUNSETIFF, 0x7ffc09176fc0 [pid 302] <... prlimit64 resumed>NULL) = 0 [pid 302] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 302] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 302] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 302] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 302] unshare(CLONE_NEWNS) = 0 [pid 302] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 302] unshare(CLONE_NEWCGROUP) = 0 [pid 302] unshare(CLONE_NEWUTS) = 0 [pid 302] unshare(CLONE_SYSVSEM) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [ 25.937534][ T24] audit: type=1400 audit(1731074076.880:66): avc: denied { execmem } for pid=291 comm="syz-executor309" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.949871][ T24] audit: type=1400 audit(1731074076.890:67): avc: denied { mounton } for pid=297 comm="syz-executor309" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] getpid() = 1 [pid 302] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 299] <... unshare resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0 65535", 7) = 7 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 299] dup2(3, 200) = 200 [pid 299] close(3) = 0 [pid 299] ioctl(200, TUNSETIFF, 0x7ffc09176fc0 [pid 298] <... unshare resumed>) = 0 [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "0 65535", 7) = 7 [pid 298] close(3 [pid 297] <... ioctl resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 298] dup2(3, 200) = 200 [pid 301] <... unshare resumed>) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 301] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 297] write(3, "0", 1 [pid 301] <... openat resumed>) = 3 [pid 297] <... write resumed>) = 1 [pid 301] write(3, "0 65535", 7 [pid 297] close(3 [pid 301] <... write resumed>) = 7 [pid 297] <... close resumed>) = 0 [pid 301] close(3 [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 301] <... close resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 301] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 297] write(3, "0", 1 [pid 301] <... openat resumed>) = 3 [pid 297] <... write resumed>) = 1 [pid 301] dup2(3, 200 [pid 297] close(3 [pid 301] <... dup2 resumed>) = 200 [pid 297] <... close resumed>) = 0 [pid 301] close(3 [pid 297] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 301] <... close resumed>) = 0 [pid 298] close(3) = 0 [pid 301] ioctl(200, TUNSETIFF, 0x7ffc09176fc0 [pid 297] <... socket resumed>) = 3 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] ioctl(200, TUNSETIFF, 0x7ffc09176fc0 [pid 297] <... socket resumed>) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 299] <... ioctl resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0", 1) = 1 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0", 1) = 1 [pid 299] close(3) = 0 [pid 299] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "100000", 6) = 6 [pid 299] close(3) = 0 [pid 299] mkdir("./syz-tmp", 0777) = 0 [pid 299] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 299] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 299] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 299] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 299] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 299] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 299] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 299] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 299] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 299] chdir("/") = 0 [pid 299] umount2("./pivot", MNT_DETACH [pid 301] <... ioctl resumed>) = 0 [pid 298] <... ioctl resumed>) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 301] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 301] write(3, "0", 1 [pid 298] write(3, "0", 1 [pid 302] <... unshare resumed>) = 0 [pid 301] <... write resumed>) = 1 [pid 298] <... write resumed>) = 1 [pid 301] close(3 [pid 298] close(3 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 301] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 301] write(3, "0", 1 [pid 298] write(3, "0", 1 [pid 301] <... write resumed>) = 1 [pid 298] <... write resumed>) = 1 [pid 301] close(3 [pid 298] close(3 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 301] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 298] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 301] <... socket resumed>) = 3 [pid 298] <... socket resumed>) = 3 [pid 301] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] <... socket resumed>) = 4 [pid 298] <... socket resumed>) = 4 [pid 301] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] close(4 [pid 298] close(4 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 301] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 298] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] <... sendto resumed>) = 40 [pid 298] <... sendto resumed>) = 40 [pid 301] recvfrom(3, [pid 298] recvfrom(3, [pid 301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [ 26.018991][ T24] audit: type=1400 audit(1731074076.960:68): avc: denied { create } for pid=288 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 26.040184][ T24] audit: type=1400 audit(1731074076.960:69): avc: denied { write } for pid=288 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [pid 302] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 301] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 299] <... umount2 resumed>) = 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 302] <... openat resumed>) = 3 [pid 301] <... socket resumed>) = 4 [pid 299] chroot("./newroot" [pid 298] <... socket resumed>) = 4 [pid 302] write(3, "0 65535", 7 [pid 301] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 299] <... chroot resumed>) = 0 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 302] <... write resumed>) = 7 [pid 301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 299] chdir("/" [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 302] close(3 [pid 301] close(4 [pid 299] <... chdir resumed>) = 0 [pid 298] close(4 [pid 302] <... close resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 299] mkdir("/dev/binderfs", 0777 [pid 298] <... close resumed>) = 0 [pid 302] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 301] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 299] <... mkdir resumed>) = 0 [pid 298] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 302] <... openat resumed>) = 3 [pid 301] <... sendto resumed>) = 64 [pid 299] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 298] <... sendto resumed>) = 64 [pid 302] dup2(3, 200 [pid 301] recvfrom(3, [pid 299] <... mount resumed>) = 0 [pid 298] recvfrom(3, [pid 302] <... dup2 resumed>) = 200 [pid 301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 302] close(3 [pid 301] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 299] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 302] <... close resumed>) = 0 [pid 301] <... socket resumed>) = 4 [pid 299] mkdir("./0", 0777 [pid 298] <... socket resumed>) = 4 [pid 302] ioctl(200, TUNSETIFF, 0x7ffc09176fc0 [pid 301] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 299] <... mkdir resumed>) = 0 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 302] <... ioctl resumed>) = 0 [pid 301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 297] <... sendto resumed>) = 40 [pid 302] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 301] close(4 [pid 299] <... openat resumed>) = 3 [pid 298] close(4 [pid 302] <... openat resumed>) = 3 [pid 301] <... close resumed>) = 0 [pid 299] ioctl(3, LOOP_CLR_FD [pid 298] <... close resumed>) = 0 [pid 302] write(3, "0", 1 [pid 301] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 299] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 302] <... write resumed>) = 1 [pid 301] <... sendto resumed>) = 48 [pid 299] close(3 [pid 298] <... sendto resumed>) = 48 [pid 302] close(3 [pid 301] recvfrom(3, [pid 299] <... close resumed>) = 0 [pid 298] recvfrom(3, [pid 302] <... close resumed>) = 0 [pid 301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 302] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 301] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 302] <... openat resumed>) = 3 [pid 301] <... socket resumed>) = 4 [pid 299] <... clone resumed>, child_tidptr=0x55558a9cd690) = 2 [pid 298] <... socket resumed>) = 4 [pid 302] write(3, "0", 1 [pid 301] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 302] <... write resumed>) = 1 [pid 301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 302] close(3 [pid 301] close(4 [pid 298] close(4 [pid 302] <... close resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 302] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 301] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 298] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 302] <... socket resumed>) = 3 [pid 301] <... sendto resumed>) = 60 [pid 298] <... sendto resumed>) = 60 [pid 302] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] recvfrom(3, [pid 298] recvfrom(3, [pid 302] <... socket resumed>) = 4 [pid 301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 302] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] <... socket resumed>) = 4 [pid 298] <... socket resumed>) = 4 [pid 302] close(4 [pid 301] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 302] <... close resumed>) = 0 [pid 301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 302] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] close(4 [pid 298] close(4 [pid 302] <... sendto resumed>) = 40 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 302] recvfrom(3, [pid 301] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 298] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 297] recvfrom(3, ./strace-static-x86_64: Process 304 attached [pid 302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 301] <... sendto resumed>) = 44 [pid 298] <... sendto resumed>) = 44 [pid 297] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 302] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] recvfrom(3, [pid 298] recvfrom(3, [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 304] set_robust_list(0x55558a9cd6a0, 24 [pid 302] <... socket resumed>) = 4 [pid 301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 302] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] close(3 [pid 298] close(3 [pid 302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 302] close(4 [pid 301] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 298] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 302] <... close resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 302] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] write(3, "100000", 6 [pid 298] write(3, "100000", 6 [pid 302] <... sendto resumed>) = 64 [pid 301] <... write resumed>) = 6 [pid 298] <... write resumed>) = 6 [pid 302] recvfrom(3, [pid 301] close(3 [pid 298] close(3 [pid 302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 301] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 302] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] mkdir("./syz-tmp", 0777 [pid 298] mkdir("./syz-tmp", 0777 [pid 302] <... socket resumed>) = 4 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] mount("", "./syz-tmp", "tmpfs", 0, NULL [ 26.060572][ T24] audit: type=1400 audit(1731074076.960:70): avc: denied { nlmsg_read } for pid=288 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 26.081944][ T24] audit: type=1400 audit(1731074076.960:71): avc: denied { module_request } for pid=288 comm="strace-static-x" kmod="net-pf-16-proto-4-type-16" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [pid 298] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] close(4 [pid 301] mkdir("./syz-tmp/newroot", 0777 [pid 298] mkdir("./syz-tmp/newroot", 0777 [pid 302] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] mkdir("./syz-tmp/newroot/dev", 0700 [pid 298] mkdir("./syz-tmp/newroot/dev", 0700 [pid 302] <... sendto resumed>) = 48 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] recvfrom(3, [pid 301] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] mkdir("./syz-tmp/newroot/proc", 0700 [pid 298] mkdir("./syz-tmp/newroot/proc", 0700 [pid 302] <... socket resumed>) = 4 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 298] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] close(4 [pid 301] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 298] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 304] <... set_robust_list resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... socket resumed>) = 4 [pid 302] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... sendto resumed>) = 60 [pid 301] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 302] recvfrom(3, [pid 301] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 301] mkdir("./syz-tmp/newroot/sys", 0700 [pid 298] mkdir("./syz-tmp/newroot/sys", 0700 [pid 302] <... socket resumed>) = 4 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 301] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] close(4 [pid 301] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... close resumed>) = 0 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 301] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... sendto resumed>) = 44 [pid 301] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 302] recvfrom(3, [pid 301] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 301] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 302] close(3 [pid 301] mkdir("./syz-tmp/pivot", 0777 [pid 298] mkdir("./syz-tmp/pivot", 0777 [pid 302] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 301] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 298] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 302] <... openat resumed>) = 3 [pid 301] <... pivot_root resumed>) = 0 [pid 298] <... pivot_root resumed>) = 0 [pid 302] write(3, "100000", 6 [pid 301] chdir("/" [pid 298] chdir("/" [pid 302] <... write resumed>) = 6 [pid 301] <... chdir resumed>) = 0 [pid 298] <... chdir resumed>) = 0 [pid 302] close(3 [pid 301] umount2("./pivot", MNT_DETACH [pid 298] umount2("./pivot", MNT_DETACH [pid 302] <... close resumed>) = 0 [pid 302] mkdir("./syz-tmp", 0777) = 0 [pid 302] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 302] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 302] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 302] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 302] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 302] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 302] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 302] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 302] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 302] chdir("/") = 0 [pid 302] umount2("./pivot", MNT_DETACH [pid 304] chdir("./0") = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x24\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\x6f\xb5\x00\x00\x00\x01\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\x00\x00\xaa", 1000) = 90 [pid 304] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 304] read(200, 0x7ffc09176950, 1000) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 301] <... umount2 resumed>) = 0 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 304] write(1, "executing program\n", 18 [pid 301] chroot("./newroot" [pid 304] <... write resumed>) = 18 [pid 301] <... chroot resumed>) = 0 [pid 304] futex(0x7f10f080c6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] chdir("/" [pid 304] <... futex resumed>) = 0 [pid 301] <... chdir resumed>) = 0 [pid 304] rt_sigaction(SIGRT_1, {sa_handler=0x7f10f07ab970, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f10f079cb20}, [pid 301] mkdir("/dev/binderfs", 0777 [pid 304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 301] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 301] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... mount resumed>) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 304] <... mmap resumed>) = 0x7f10f071d000 [pid 301] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] mprotect(0x7f10f071e000, 131072, PROT_READ|PROT_WRITE [pid 301] mkdir("./0", 0777 [pid 304] <... mprotect resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... openat resumed>) = 3 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f10f073d990, parent_tid=0x7f10f073d990, exit_signal=0, stack=0x7f10f071d000, stack_size=0x20300, tls=0x7f10f073d6c0} [pid 301] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 304] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 301] close(3 [pid 304] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... close resumed>) = 0 [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] futex(0x7f10f080c6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] <... clone resumed>, child_tidptr=0x55558a9cd690) = 2 [pid 304] futex(0x7f10f080c6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 297] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64 [pid 297] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48 [pid 297] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60 [pid 297] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [ 26.109223][ T24] audit: type=1400 audit(1731074076.960:72): avc: denied { read } for pid=288 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 26.129618][ T24] audit: type=1400 audit(1731074076.980:73): avc: denied { mounton } for pid=299 comm="syz-executor309" path="/root/syzkaller.9YsswV/syz-tmp" dev="sda1" ino=1932 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 297] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 [pid 297] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 297] close(3) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "100000", 6) = 6 [pid 297] close(3) = 0 [pid 297] mkdir("./syz-tmp", 0777 [pid 302] <... umount2 resumed>) = 0 [pid 298] <... umount2 resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 302] chroot("./newroot" [pid 298] chroot("./newroot" [pid 297] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 302] <... chroot resumed>) = 0 [pid 298] <... chroot resumed>) = 0 [pid 297] <... mount resumed>) = 0 [pid 302] chdir("/" [pid 298] chdir("/" [pid 297] mkdir("./syz-tmp/newroot", 0777 [pid 302] <... chdir resumed>) = 0 [pid 298] <... chdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 302] mkdir("/dev/binderfs", 0777 [pid 298] mkdir("/dev/binderfs", 0777 [pid 297] mkdir("./syz-tmp/newroot/dev", 0700 [pid 302] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 298] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 297] <... mkdir resumed>) = 0 [pid 302] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 298] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL./strace-static-x86_64: Process 305 attached [pid 302] <... mount resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 297] <... mount resumed>) = 0 ./strace-static-x86_64: Process 306 attached [pid 302] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 298] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 297] mkdir("./syz-tmp/newroot/proc", 0700 [pid 302] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 298] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 297] <... mkdir resumed>) = 0 [pid 302] mkdir("./0", 0777 [pid 298] mkdir("./0", 0777 [pid 297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 302] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... mount resumed>) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 298] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 297] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 302] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 297] <... mkdir resumed>) = 0 [pid 302] ioctl(3, LOOP_CLR_FD [pid 298] ioctl(3, LOOP_CLR_FD [pid 297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 298] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 297] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 302] close(3 [pid 298] close(3 [pid 297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] <... mount resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 302] <... clone resumed>, child_tidptr=0x55558a9cd690) = 2 [pid 298] <... clone resumed>, child_tidptr=0x55558a9cd690) = 2 [pid 297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 297] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 297] chdir("/") = 0 [pid 297] umount2("./pivot", MNT_DETACH./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x55558a9cd6a0, 24) = 0 [pid 308] chdir("./0") = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 308] read(200, 0x7ffc09176950, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] write(1, "executing program\n", 18executing program ) = 18 [pid 308] futex(0x7f10f080c6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] set_robust_list(0x55558a9cd6a0, 24 [pid 305] set_robust_list(0x7f10f073d9a0, 24 [pid 297] <... umount2 resumed>) = 0 [pid 297] chroot("./newroot") = 0 [pid 297] chdir("/") = 0 [pid 297] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] mkdir("./0", 0777) = 0 [pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 297] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 297] close(3) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558a9cd690) = 2 [pid 308] <... futex resumed>) = 0 [pid 308] rt_sigaction(SIGRT_1, {sa_handler=0x7f10f07ab970, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f10f079cb20}, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f10f071d000 [pid 308] mprotect(0x7f10f071e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f10f073d990, parent_tid=0x7f10f073d990, exit_signal=0, stack=0x7f10f071d000, stack_size=0x20300, tls=0x7f10f073d6c0} => {parent_tid=[3]}, 88) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7f10f080c6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7f10f080c6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x55558a9cd6a0, 24) = 0 [pid 309] chdir("./0") = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... set_robust_list resumed>) = 0 [pid 305] <... set_robust_list resumed>) = 0 [pid 306] chdir("./0" [pid 305] rt_sigprocmask(SIG_SETMASK, [], [pid 306] <... chdir resumed>) = 0 [pid 305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] memfd_create("syzkaller", 0 [pid 306] <... prctl resumed>) = 0 [pid 306] setpgid(0, 0 [pid 305] <... memfd_create resumed>) = 3 [pid 306] <... setpgid resumed>) = 0 [pid 305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... mmap resumed>) = 0x7f10e831d000 [pid 306] <... openat resumed>) = 3 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 306] write(3, "1000", 4 [pid 305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 306] <... write resumed>) = 4 [pid 306] close(3 [pid 309] read(200, [pid 306] <... close resumed>) = 0 [pid 309] <... read resumed>0x7ffc09176950, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] read(200, [pid 309] symlink("/dev/binderfs", "./binderfs" [pid 306] <... read resumed>"\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 306] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 306] read(200, 0x7ffc09176950, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... symlink resumed>) = 0 [pid 306] symlink("/dev/binderfs", "./binderfs"executing program executing program ) = 0 [pid 309] write(1, "executing program\n", 18 [pid 306] write(1, "executing program\n", 18 [pid 309] <... write resumed>) = 18 [pid 306] <... write resumed>) = 18 [pid 309] futex(0x7f10f080c6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f10f080c6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = 0 [pid 309] rt_sigaction(SIGRT_1, {sa_handler=0x7f10f07ab970, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f10f079cb20}, [pid 306] rt_sigaction(SIGRT_1, {sa_handler=0x7f10f07ab970, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f10f079cb20}, [pid 309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 306] <... mmap resumed>) = 0x7f10f071d000 [pid 309] <... mmap resumed>) = 0x7f10f071d000 [pid 306] mprotect(0x7f10f071e000, 131072, PROT_READ|PROT_WRITE [pid 309] mprotect(0x7f10f071e000, 131072, PROT_READ|PROT_WRITE [pid 306] <... mprotect resumed>) = 0 [pid 309] <... mprotect resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f10f073d990, parent_tid=0x7f10f073d990, exit_signal=0, stack=0x7f10f071d000, stack_size=0x20300, tls=0x7f10f073d6c0} [pid 309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f10f073d990, parent_tid=0x7f10f073d990, exit_signal=0, stack=0x7f10f071d000, stack_size=0x20300, tls=0x7f10f073d6c0} [pid 306] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [], [pid 309] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], [pid 306] futex(0x7f10f080c6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] <... futex resumed>) = 0 [pid 309] futex(0x7f10f080c6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f10f080c6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] <... futex resumed>) = 0 [pid 309] futex(0x7f10f080c6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x7f10f073d9a0, 24 [pid 305] <... write resumed>) = 1048576 [pid 312] <... set_robust_list resumed>) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] memfd_create("syzkaller", 0) = 3 [pid 312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f10e831d000 ./strace-static-x86_64: Process 311 attached [pid 305] munmap(0x7f10e831d000, 138412032./strace-static-x86_64: Process 307 attached ./strace-static-x86_64: Process 310 attached [pid 311] set_robust_list(0x7f10f073d9a0, 24 [pid 307] set_robust_list(0x55558a9cd6a0, 24 [pid 305] <... munmap resumed>) = 0 [pid 311] <... set_robust_list resumed>) = 0 [pid 310] set_robust_list(0x7f10f073d9a0, 24 [pid 307] <... set_robust_list resumed>) = 0 [pid 305] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 311] rt_sigprocmask(SIG_SETMASK, [], [pid 310] <... set_robust_list resumed>) = 0 [pid 307] chdir("./0" [pid 311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], [pid 307] <... chdir resumed>) = 0 [pid 305] <... openat resumed>) = 4 [pid 311] memfd_create("syzkaller", 0 [pid 310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] ioctl(4, LOOP_SET_FD, 3 [pid 310] memfd_create("syzkaller", 0 [pid 311] <... memfd_create resumed>) = 3 [pid 310] <... memfd_create resumed>) = 3 [pid 307] <... prctl resumed>) = 0 [pid 311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 307] setpgid(0, 0 [pid 311] <... mmap resumed>) = 0x7f10e831d000 [pid 310] <... mmap resumed>) = 0x7f10e831d000 [pid 307] <... setpgid resumed>) = 0 [pid 312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 312] munmap(0x7f10e831d000, 138412032 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 312] <... munmap resumed>) = 0 [pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 305] <... ioctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 305] close(3 [pid 307] write(3, "1000", 4 [pid 305] <... close resumed>) = 0 [pid 307] <... write resumed>) = 4 [pid 305] close(4 [pid 307] close(3 [pid 305] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 305] mkdir("./file0", 0777 [pid 307] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 305] <... mkdir resumed>) = 0 [pid 307] read(200, [pid 305] mount("/dev/loop2", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue" [pid 307] <... read resumed>0x7ffc09176950, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 307] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] futex(0x7f10f080c6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 307] rt_sigaction(SIGRT_1, {sa_handler=0x7f10f07ab970, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f10f079cb20}, [pid 312] <... openat resumed>) = 4 [pid 307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 312] ioctl(4, LOOP_SET_FD, 3 [pid 307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f10f071d000 [pid 307] mprotect(0x7f10f071e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] <... write resumed>) = 1048576 [pid 307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f10f073d990, parent_tid=0x7f10f073d990, exit_signal=0, stack=0x7f10f071d000, stack_size=0x20300, tls=0x7f10f073d6c0} [pid 310] <... write resumed>) = 1048576 [pid 310] munmap(0x7f10e831d000, 138412032) = 0 ./strace-static-x86_64: Process 315 attached [pid 312] <... ioctl resumed>) = 0 [pid 311] munmap(0x7f10e831d000, 138412032 [pid 307] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 315] set_robust_list(0x7f10f073d9a0, 24 [pid 312] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [], [pid 312] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 315] <... set_robust_list resumed>) = 0 [pid 312] close(4 [pid 311] <... munmap resumed>) = 0 [pid 307] futex(0x7f10f080c6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 310] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 310] close(3) = 0 [ 26.153854][ T24] audit: type=1400 audit(1731074076.980:74): avc: denied { mount } for pid=299 comm="syz-executor309" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 26.180995][ T24] audit: type=1400 audit(1731074076.990:75): avc: denied { mounton } for pid=299 comm="syz-executor309" path="/root/syzkaller.9YsswV/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [pid 310] close(4 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] memfd_create("syzkaller", 0) = 3 [pid 307] <... futex resumed>) = 0 [pid 307] futex(0x7f10f080c6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}