./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor703376436 <...> Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. execve("./syz-executor703376436", ["./syz-executor703376436"], 0x7fff1254ede0 /* 10 vars */) = 0 brk(NULL) = 0x555556386000 brk(0x555556386d00) = 0x555556386d00 arch_prctl(ARCH_SET_FS, 0x555556386380) = 0 set_tid_address(0x555556386650) = 307 set_robust_list(0x555556386660, 24) = 0 rseq(0x555556386ca0, 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-executor703376436", 4096) = 27 getrandom("\xc8\xe9\xf8\x86\x54\xac\xc3\x3d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556386d00 brk(0x5555563a7d00) = 0x5555563a7d00 brk(0x5555563a8000) = 0x5555563a8000 mprotect(0x7f047aa9a000, 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, child_tidptr=0x555556386650) = 308 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x555556386660, 24) = 0 [pid 308] unshare(CLONE_NEWPID./strace-static-x86_64: Process 309 attached [pid 307] <... clone resumed>, child_tidptr=0x555556386650) = 309 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] set_robust_list(0x555556386660, 24 [pid 308] <... unshare resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 310 attached [pid 307] <... clone resumed>, child_tidptr=0x555556386650) = 310 [pid 308] <... clone resumed>, child_tidptr=0x555556386650) = 311 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x555556386660, 24) = 0 [pid 311] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unshare(CLONE_NEWPID./strace-static-x86_64: Process 312 attached [pid 311] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 310] set_robust_list(0x555556386660, 24 [pid 309] <... unshare resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x555556386650) = 312 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x555556386650) = 313 [pid 307] <... clone resumed>, child_tidptr=0x555556386650) = 314 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556386650) = 315 [pid 310] <... set_robust_list resumed>) = 0 [pid 310] unshare(CLONE_NEWPID) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setsid() = 1 [pid 311] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 311] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 311] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 311] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 311] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 311] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 310] <... clone resumed>, child_tidptr=0x555556386650) = 316 [pid 311] unshare(CLONE_NEWNS) = 0 [pid 311] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 311] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 311] unshare(CLONE_NEWCGROUP) = 0 [pid 311] unshare(CLONE_NEWUTS) = 0 [pid 311] unshare(CLONE_SYSVSEM) = 0 [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 311] getpid() = 1 [pid 311] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 312] set_robust_list(0x555556386660, 24) = 0 [pid 312] unshare(CLONE_NEWPID) = 0 [pid 312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556386650) = 317 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x555556386660, 24) = 0 [pid 317] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setsid() = 1 [pid 317] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 317] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 317] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 317] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 317] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 317] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 317] unshare(CLONE_NEWNS) = 0 [pid 317] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 317] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 317] unshare(CLONE_NEWCGROUP) = 0 [pid 317] unshare(CLONE_NEWUTS) = 0 [pid 317] unshare(CLONE_SYSVSEM) = 0 [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 317] getpid(./strace-static-x86_64: Process 315 attached ./strace-static-x86_64: Process 316 attached ./strace-static-x86_64: Process 314 attached ./strace-static-x86_64: Process 313 attached ) = 1 [pid 317] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 313] set_robust_list(0x555556386660, 24 [pid 314] set_robust_list(0x555556386660, 24 [pid 315] set_robust_list(0x555556386660, 24 [pid 313] <... set_robust_list resumed>) = 0 [pid 316] set_robust_list(0x555556386660, 24 [pid 315] <... set_robust_list resumed>) = 0 [pid 314] <... set_robust_list resumed>) = 0 [pid 316] <... set_robust_list resumed>) = 0 [pid 315] unshare(CLONE_NEWPID [pid 313] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 314] unshare(CLONE_NEWPID [pid 316] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 315] <... unshare resumed>) = 0 [pid 314] <... unshare resumed>) = 0 [pid 316] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 313] <... mount resumed>) = -1 EBUSY (Device or resource busy) [ 23.022054][ T30] audit: type=1400 audit(1693081864.033:66): avc: denied { execmem } for pid=307 comm="syz-executor703" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.043867][ T30] audit: type=1400 audit(1693081864.053:67): avc: denied { mounton } for pid=311 comm="syz-executor703" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [pid 317] <... unshare resumed>) = 0 [pid 311] <... unshare resumed>) = 0 [pid 311] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "0 65535", 7) = 7 [pid 311] close(3) = 0 [pid 311] mkdir("/dev/binderfs", 0777) = 0 [pid 311] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 311] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556386650) = 2 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x555556386660, 24) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 [pid 318] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 317] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 319 attached [pid 316] <... prctl resumed>) = 0 [pid 315] <... clone resumed>, child_tidptr=0x555556386650) = 319 [pid 314] <... clone resumed>, child_tidptr=0x555556386650) = 320 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 317] <... openat resumed>) = 3 [pid 318] <... socket resumed>) = 3 [pid 317] write(3, "0 65535", 7) = 7 [pid 317] close(3) = 0 [pid 317] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 318] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE [pid 317] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 318] <... socket resumed>) = 4 [pid 317] <... mount resumed>) = 0 [pid 318] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=146}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 318] getsockname(4, {sa_family=AF_NETLINK, nl_pid=2, nl_groups=00000000}, [20 => 12]) = 0 [ 23.084001][ T30] audit: type=1400 audit(1693081864.053:68): avc: denied { mount } for pid=311 comm="syz-executor703" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 23.106973][ T30] audit: type=1400 audit(1693081864.053:69): avc: denied { mounton } for pid=311 comm="syz-executor703" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 318] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x70\x00\x00\x00\x24\x00\x0b\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0a\x00\x01\x00\x6e\x65\x74\x65\x6d\x00\x00\x00\x40\x00\x02\x00\x00\x00\x00\x00\x01\x00\x00\x80\x00\x00\x00\x00\x04\x00\x00\x00\xc7\x42\x00\x00\x00\x00\x00\x00\x10\x00\x01\x00\xc7\x09\x00\x00\x00\x00\x00\x00\xc7\x06\x00\x00\x06\x00\x02\x00\x3e\xfc\x00\x00"..., iov_len=112}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 320 attached [pid 319] set_robust_list(0x555556386660, 24 [pid 317] symlink("/dev/binderfs", "./binderfs" [pid 316] setsid( [pid 313] <... prctl resumed>) = 0 [pid 319] <... set_robust_list resumed>) = 0 [pid 316] <... setsid resumed>) = 1 [pid 313] setsid( [pid 319] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 316] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 313] <... setsid resumed>) = 1 [pid 319] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 316] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... prctl resumed>) = 0 [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 319] setsid( [pid 316] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... setsid resumed>) = 1 [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 319] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 316] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 319] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 316] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 319] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 316] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... prlimit64 resumed>NULL) = 0 [pid 313] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 319] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 316] unshare(CLONE_NEWNS [pid 313] <... prlimit64 resumed>NULL) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... unshare resumed>) = 0 [pid 313] unshare(CLONE_NEWNS [pid 319] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 316] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 313] <... unshare resumed>) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... mount resumed>) = 0 [pid 313] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 319] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 316] unshare(CLONE_NEWIPC [pid 313] <... mount resumed>) = 0 [pid 319] <... prlimit64 resumed>NULL) = 0 [pid 316] <... unshare resumed>) = -1 EINVAL (Invalid argument) [pid 313] unshare(CLONE_NEWIPC [pid 319] unshare(CLONE_NEWNS [pid 316] unshare(CLONE_NEWCGROUP [pid 313] <... unshare resumed>) = -1 EINVAL (Invalid argument) [pid 319] <... unshare resumed>) = 0 [pid 316] <... unshare resumed>) = 0 [pid 313] unshare(CLONE_NEWCGROUP [pid 319] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 316] unshare(CLONE_NEWUTS [pid 313] <... unshare resumed>) = 0 [pid 319] <... mount resumed>) = 0 [pid 316] <... unshare resumed>) = 0 [pid 313] unshare(CLONE_NEWUTS [pid 319] unshare(CLONE_NEWIPC [pid 316] unshare(CLONE_SYSVSEM [pid 313] <... unshare resumed>) = 0 [pid 319] <... unshare resumed>) = -1 EINVAL (Invalid argument) [pid 316] <... unshare resumed>) = 0 [pid 313] unshare(CLONE_SYSVSEM [pid 319] unshare(CLONE_NEWCGROUP [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 313] <... unshare resumed>) = 0 [pid 319] <... unshare resumed>) = 0 [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 319] unshare(CLONE_NEWUTS [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... unshare resumed>) = 0 [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 319] unshare(CLONE_SYSVSEM [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... unshare resumed>) = 0 [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 316] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 313] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 316] getpid( [pid 313] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... getpid resumed>) = 1 [pid 313] getpid( [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 316] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 313] <... getpid resumed>) = 1 [pid 319] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 316] <... capget resumed>{effective=1< [pid 319] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 316] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 313] <... capget resumed>{effective=1<) = -1 ENOENT (No such file or directory) [pid 316] <... capset resumed>) = 0 [pid 313] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 319] getpid( [pid 316] unshare(CLONE_NEWNET [pid 313] <... capset resumed>) = 0 [pid 319] <... getpid resumed>) = 1 [pid 313] unshare(CLONE_NEWNET [pid 319] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 320] set_robust_list(0x555556386660, 24 [pid 317] <... symlink resumed>) = -1 EEXIST (File exists) [pid 320] <... set_robust_list resumed>) = 0 [pid 320] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 317] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 320] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setsid() = 1 [pid 320] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 320] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 320] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 320] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 320] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 320] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 320] unshare(CLONE_NEWNS) = 0 [pid 317] <... clone resumed>, child_tidptr=0x555556386650) = 2 [pid 320] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 320] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 320] unshare(CLONE_NEWCGROUP) = 0 [pid 320] unshare(CLONE_NEWUTS) = 0 [pid 320] unshare(CLONE_SYSVSEM) = 0 [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 320] getpid() = 1 [pid 320] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 321] set_robust_list(0x555556386660, 24) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 321] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 4 [pid 321] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=146}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [ 23.128358][ T30] audit: type=1400 audit(1693081864.093:70): avc: denied { mounton } for pid=311 comm="syz-executor703" path="/dev/binderfs" dev="devtmpfs" ino=362 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 23.151000][ T30] audit: type=1400 audit(1693081864.093:71): avc: denied { mount } for pid=311 comm="syz-executor703" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 321] getsockname(4, {sa_family=AF_NETLINK, nl_pid=2, nl_groups=00000000}, [20 => 12]) = 0 [ 123.096150][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 123.102899][ C0] (detected by 0, t=10002 jiffies, g=325, q=2249) [ 123.109231][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294949529-4294939527), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 123.122434][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g325 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 123.133277][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 123.143079][ C0] rcu: RCU grace-period kthread stack dump: [ 123.148809][ C0] task:rcu_preempt state:R running task stack:28328 pid: 14 ppid: 2 flags:0x00004000 [ 123.159395][ C0] Call Trace: [ 123.162521][ C0] [ 123.165303][ C0] __schedule+0xcbe/0x1580 [ 123.169553][ C0] ? release_firmware_map_entry+0x18f/0x18f [ 123.175280][ C0] ? __kasan_check_write+0x14/0x20 [ 123.180225][ C0] schedule+0x11f/0x1e0 [ 123.184225][ C0] schedule_timeout+0x18c/0x370 [ 123.189005][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.194039][ C0] ? console_conditional_schedule+0x30/0x30 [ 123.199753][ C0] ? update_process_times+0x200/0x200 [ 123.204963][ C0] ? prepare_to_swait_event+0x308/0x320 [ 123.210346][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 123.214945][ C0] ? debug_smp_processor_id+0x17/0x20 [ 123.220150][ C0] ? __note_gp_changes+0x4ab/0x920 [ 123.225097][ C0] ? rcu_gp_init+0xc20/0xc20 [ 123.229522][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.234565][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 123.238984][ C0] rcu_gp_kthread+0xa4/0x350 [ 123.243411][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 123.248097][ C0] ? rcu_barrier_callback+0x50/0x50 [ 123.253128][ C0] ? __kasan_check_read+0x11/0x20 [ 123.257991][ C0] ? __kthread_parkme+0xb2/0x200 [ 123.262781][ C0] kthread+0x421/0x510 [ 123.266671][ C0] ? rcu_barrier_callback+0x50/0x50 [ 123.271705][ C0] ? kthread_blkcg+0xd0/0xd0 [ 123.276130][ C0] ret_from_fork+0x1f/0x30 [ 123.280383][ C0] [ 123.283263][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 123.289410][ C0] NMI backtrace for cpu 0 [ 123.293576][ C0] CPU: 0 PID: 318 Comm: syz-executor703 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 123.303646][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 123.313538][ C0] Call Trace: [ 123.316664][ C0] [ 123.319359][ C0] dump_stack_lvl+0x151/0x1b7 [ 123.323865][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 123.329334][ C0] dump_stack+0x15/0x17 [ 123.333338][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 123.338100][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 123.344089][ C0] ? panic+0x751/0x751 [ 123.347991][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.353893][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 123.359709][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 123.365610][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 123.371340][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 123.377329][ C0] print_other_cpu_stall+0x112d/0x1340 [ 123.382623][ C0] ? generic_exec_single+0x271/0x400 [ 123.387743][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 123.393212][ C0] ? timekeeping_update+0x392/0x460 [ 123.398244][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 123.403280][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 123.409269][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 123.414300][ C0] update_process_times+0x198/0x200 [ 123.419333][ C0] tick_sched_timer+0x188/0x240 [ 123.424028][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 123.429414][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 123.434446][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 123.439383][ C0] ? clockevents_program_event+0x22f/0x300 [ 123.445025][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 123.450951][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 123.455703][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 123.461431][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 123.466896][ C0] [ 123.469671][ C0] [ 123.472449][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 123.478263][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 123.483038][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ff f2 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 123.502480][ C0] RSP: 0018:ffffc90000a66b00 EFLAGS: 00000246 [ 123.508381][ C0] RAX: 0000000000000003 RBX: 1ffff9200014cd64 RCX: ffffffff8154cfdf [ 123.516193][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 123.524003][ C0] RBP: ffffc90000a66bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 123.531817][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 123.539629][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200014cd68 [ 123.547440][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.553515][ C0] ? asm_common_interrupt+0x27/0x40 [ 123.558545][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 123.563503][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 123.569576][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 123.575474][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 123.581720][ C0] ? __kmalloc+0x13a/0x270 [ 123.585975][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 123.590572][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 123.595345][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 123.600384][ C0] ? __kasan_check_read+0x11/0x20 [ 123.605244][ C0] get_dist_table+0x207/0x2e0 [ 123.609754][ C0] netem_change+0xa05/0x20c0 [ 123.614183][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 123.618953][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.623377][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.629282][ C0] ? netem_destroy+0xc0/0xc0 [ 123.633710][ C0] ? hrtimer_init+0x30/0x160 [ 123.638133][ C0] netem_init+0x5b/0xb0 [ 123.642127][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 123.647248][ C0] qdisc_create+0x890/0x12e0 [ 123.651674][ C0] ? qdisc_notify+0x370/0x370 [ 123.656186][ C0] ? __nla_parse+0x43/0x60 [ 123.660439][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 123.665129][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 123.670854][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 123.677278][ C0] ? ns_capable+0x89/0xe0 [ 123.681441][ C0] ? netlink_net_capable+0x125/0x160 [ 123.686563][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 123.692292][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 123.697067][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.701579][ C0] ? avc_denied+0x13f/0x1b0 [ 123.705919][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 123.711128][ C0] ? avc_denied+0x1b0/0x1b0 [ 123.715475][ C0] ? avc_has_perm+0x16f/0x260 [ 123.719977][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 123.724840][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 123.730045][ C0] ? do_syscall_64+0x3d/0xb0 [ 123.734471][ C0] netlink_rcv_skb+0x1cf/0x410 [ 123.739073][ C0] ? rtnetlink_bind+0x80/0x80 [ 123.743582][ C0] ? netlink_ack+0xb10/0xb10 [ 123.748014][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 123.752874][ C0] rtnetlink_rcv+0x1c/0x20 [ 123.757123][ C0] netlink_unicast+0x8df/0xac0 [ 123.761729][ C0] ? netlink_detachskb+0x90/0x90 [ 123.766498][ C0] ? security_netlink_send+0x7b/0xa0 [ 123.771617][ C0] netlink_sendmsg+0xa0a/0xd20 [ 123.776220][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.781253][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 123.786548][ C0] ? netlink_getsockopt+0x560/0x560 [ 123.791579][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 123.796184][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 123.801039][ C0] ? import_iovec+0xe5/0x120 [ 123.805468][ C0] ___sys_sendmsg+0x252/0x2e0 [ 123.809980][ C0] ? __sys_sendmsg+0x260/0x260 [ 123.814580][ C0] ? finish_task_switch+0x167/0x7b0 [ 123.819615][ C0] ? __schedule+0xcc6/0x1580 [ 123.824039][ C0] ? __kasan_check_write+0x14/0x20 [ 123.829073][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 123.834023][ C0] ? __kasan_check_read+0x11/0x20 [ 123.838881][ C0] ? __fdget+0x179/0x240 [ 123.842962][ C0] __se_sys_sendmsg+0x19a/0x260 [ 123.847648][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 123.852680][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 123.857453][ C0] ? __kasan_check_read+0x11/0x20 [ 123.862313][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 123.866915][ C0] do_syscall_64+0x3d/0xb0 [ 123.871172][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 123.876896][ C0] RIP: 0033:0x7f047aa270f9 [ 123.881148][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 123.900590][ C0] RSP: 002b:00007fff726c67e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.908835][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f047aa270f9 [ 123.916645][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 123.924455][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556387610 [ 123.932268][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 123.940078][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 123.947892][ C0] [ 265.032522][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor703:318] [ 265.040935][ C0] Modules linked in: [ 265.044665][ C0] CPU: 0 PID: 318 Comm: syz-executor703 Not tainted 5.15.123-syzkaller-00688-g83c56fbab45d #0 [ 265.054837][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 265.064916][ C0] RIP: 0010:kvm_wait+0x147/0x180 [ 265.069675][ C0] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ff f2 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 265.089461][ C0] RSP: 0018:ffffc90000a66b00 EFLAGS: 00000246 [ 265.095363][ C0] RAX: 0000000000000003 RBX: 1ffff9200014cd64 RCX: ffffffff8154cfdf [ 265.103174][ C0] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffffff86f3c3ec [ 265.110985][ C0] RBP: ffffc90000a66bb0 R08: dffffc0000000000 R09: fffffbfff0de787e [ 265.118885][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 265.126702][ C0] R13: ffffffff86f3c3ec R14: 0000000000000003 R15: 1ffff9200014cd68 [ 265.134506][ C0] FS: 0000555556386380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 265.143271][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.149692][ C0] CR2: 0000000000000000 CR3: 000000011e81c000 CR4: 00000000003506b0 [ 265.157511][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.165320][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.173128][ C0] Call Trace: [ 265.176255][ C0] [ 265.178944][ C0] ? show_regs+0x58/0x60 [ 265.183030][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 265.187969][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 265.193096][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 265.198300][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 265.203250][ C0] ? clockevents_program_event+0x22f/0x300 [ 265.208887][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 265.214789][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 265.219736][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 265.225637][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 265.231278][ C0] [ 265.234057][ C0] [ 265.236833][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 265.242821][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.248897][ C0] ? kvm_wait+0x147/0x180 [ 265.253061][ C0] ? asm_common_interrupt+0x27/0x40 [ 265.258094][ C0] ? kvm_arch_para_hints+0x30/0x30 [ 265.263050][ C0] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 265.269118][ C0] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 265.275022][ C0] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 265.281273][ C0] ? __kmalloc+0x13a/0x270 [ 265.285523][ C0] ? kvmalloc_node+0x1f0/0x4d0 [ 265.290121][ C0] _raw_spin_lock_bh+0x139/0x1b0 [ 265.294898][ C0] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.299928][ C0] ? __kasan_check_read+0x11/0x20 [ 265.304797][ C0] get_dist_table+0x207/0x2e0 [ 265.309325][ C0] netem_change+0xa05/0x20c0 [ 265.313735][ C0] ? __x64_sys_sendmsg+0x7b/0x90 [ 265.318502][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.322927][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.328841][ C0] ? netem_destroy+0xc0/0xc0 [ 265.333259][ C0] ? hrtimer_init+0x30/0x160 [ 265.337683][ C0] netem_init+0x5b/0xb0 [ 265.341676][ C0] ? qdisc_peek_dequeued+0x230/0x230 [ 265.346797][ C0] qdisc_create+0x890/0x12e0 [ 265.351223][ C0] ? qdisc_notify+0x370/0x370 [ 265.355733][ C0] ? __nla_parse+0x43/0x60 [ 265.359987][ C0] tc_modify_qdisc+0x8b4/0x14b0 [ 265.364677][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.370405][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 265.376825][ C0] ? ns_capable+0x89/0xe0 [ 265.380990][ C0] ? netlink_net_capable+0x125/0x160 [ 265.386112][ C0] ? qdisc_offload_graft_helper+0x2a0/0x2a0 [ 265.391838][ C0] rtnetlink_rcv_msg+0x951/0xc40 [ 265.396613][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.401127][ C0] ? avc_denied+0x13f/0x1b0 [ 265.405466][ C0] ? avc_has_perm_noaudit+0x2dd/0x430 [ 265.410674][ C0] ? avc_denied+0x1b0/0x1b0 [ 265.415016][ C0] ? avc_has_perm+0x16f/0x260 [ 265.419527][ C0] ? ____kasan_kmalloc+0xed/0x110 [ 265.424386][ C0] ? avc_has_perm_noaudit+0x430/0x430 [ 265.429591][ C0] ? do_syscall_64+0x3d/0xb0 [ 265.434020][ C0] netlink_rcv_skb+0x1cf/0x410 [ 265.438623][ C0] ? rtnetlink_bind+0x80/0x80 [ 265.443142][ C0] ? netlink_ack+0xb10/0xb10 [ 265.447564][ C0] ? __netlink_lookup+0x37b/0x3a0 [ 265.452425][ C0] rtnetlink_rcv+0x1c/0x20 [ 265.456675][ C0] netlink_unicast+0x8df/0xac0 [ 265.461276][ C0] ? netlink_detachskb+0x90/0x90 [ 265.466047][ C0] ? security_netlink_send+0x7b/0xa0 [ 265.471183][ C0] netlink_sendmsg+0xa0a/0xd20 [ 265.475767][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.480799][ C0] ? security_socket_sendmsg+0x82/0xb0 [ 265.486099][ C0] ? netlink_getsockopt+0x560/0x560 [ 265.491131][ C0] ____sys_sendmsg+0x59e/0x8f0 [ 265.495728][ C0] ? __sys_sendmsg_sock+0x40/0x40 [ 265.500598][ C0] ? import_iovec+0xe5/0x120 [ 265.505018][ C0] ___sys_sendmsg+0x252/0x2e0 [ 265.509533][ C0] ? __sys_sendmsg+0x260/0x260 [ 265.514137][ C0] ? finish_task_switch+0x167/0x7b0 [ 265.519169][ C0] ? __schedule+0xcc6/0x1580 [ 265.523588][ C0] ? __kasan_check_write+0x14/0x20 [ 265.528536][ C0] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 265.533486][ C0] ? __kasan_check_read+0x11/0x20 [ 265.538341][ C0] ? __fdget+0x179/0x240 [ 265.542422][ C0] __se_sys_sendmsg+0x19a/0x260 [ 265.547111][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 265.552185][ C0] ? __x64_sys_sendmsg+0x90/0x90 [ 265.556915][ C0] ? __kasan_check_read+0x11/0x20 [ 265.561775][ C0] __x64_sys_sendmsg+0x7b/0x90 [ 265.566376][ C0] do_syscall_64+0x3d/0xb0 [ 265.570629][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 265.576356][ C0] RIP: 0033:0x7f047aa270f9 [ 265.580611][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 265.600050][ C0] RSP: 002b:00007fff726c67e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 265.608297][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f047aa270f9 [ 265.616106][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 265.623917][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556387610 [ 265.631729][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 265.639541][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 265.647355][ C0]