./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2879243865 <...> [ 30.297773][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.309658][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 43.947548][ T27] kauditd_printk_skb: 37 callbacks suppressed [ 43.947564][ T27] audit: type=1400 audit(1664856762.680:73): avc: denied { transition } for pid=3574 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 44.006551][ T27] audit: type=1400 audit(1664856762.710:74): avc: denied { write } for pid=3574 comm="sh" path="pipe:[1966]" dev="pipefs" ino=1966 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts. execve("./syz-executor2879243865", ["./syz-executor2879243865"], 0x7fffdf072ab0 /* 10 vars */) = 0 brk(NULL) = 0x555556603000 brk(0x555556603d40) = 0x555556603d40 arch_prctl(ARCH_SET_FS, 0x555556603400) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555566036d0) = 3613 set_robust_list(0x5555566036e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7efe5de86410, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7efe5de85960}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7efe5de864b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7efe5de85960}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2879243865", 4096) = 28 brk(0x555556624d40) = 0x555556624d40 brk(0x555556625000) = 0x555556625000 mprotect(0x7efe5df47000, 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 getpid() = 3613 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3613", 4) = 4 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7efe5de7d970, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7efe5de85960}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7efe5de7d970, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7efe5de85960}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566036d0) = 3614 ./strace-static-x86_64: Process 3614 attached [pid 3614] set_robust_list(0x5555566036e0, 24) = 0 [ 53.938146][ T27] audit: type=1400 audit(1664856772.670:75): avc: denied { execmem } for pid=3613 comm="syz-executor287" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 3614] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setsid() = 1 [pid 3614] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3614] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3614] unshare(CLONE_NEWNS) = 0 [pid 3614] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3614] unshare(CLONE_NEWIPC) = 0 [pid 3614] unshare(CLONE_NEWCGROUP) = 0 [pid 3614] unshare(CLONE_NEWUTS) = 0 [pid 3614] unshare(CLONE_SYSVSEM) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "16777216", 8) = 8 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "536870912", 9) = 9 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "8192", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3614] close(3) = 0 [pid 3614] getpid() = 1 [pid 3614] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3623] set_robust_list(0x7efe5de729e0, 24) = 0 [pid 3623] openat(AT_FDCWD, "/dev/usbmon0", O_RDONLY) = 3 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] io_uring_enter(-1, 0, 0, 0, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3623] ioctl(-1, AUTOFS_DEV_IOCTL_ASKUMOUNT [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... ioctl resumed>, 0x20000100) = -1 EBADF (Bad file descriptor) [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] openat(AT_FDCWD, "/dev/nullb0", O_RDONLY) = 4 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] socket(AF_PPPOX, 0, 0) = 5 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3623] close(5) = 0 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] <... futex resumed>) = 0 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... futex resumed>) = 0 [pid 3623] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 5 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = 0 [pid 3623] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... socket resumed>) = 6 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = 0 [pid 3622] <... futex resumed>) = 1 [pid 3623] ioctl(6, SIOCGIFINDEX, {ifr_name="vcan0" [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... ioctl resumed>, ifr_ifindex=13}) = 0 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = 0 [pid 3623] bind(5, {sa_family=AF_CAN, sa_data="\x00\x00\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... bind resumed>) = 0 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = 0 [pid 3623] connect(5, {sa_family=AF_CAN, sa_data="\x65\x76\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... connect resumed>) = 0 [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3622] <... futex resumed>) = 0 [pid 3623] getsockopt(-1, 0x6b /* SOL_?? */, 4, [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3623] <... getsockopt resumed>0x200002c0, [4]) = -1 EBADF (Bad file descriptor) [pid 3623] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3622] <... futex resumed>) = 0 [pid 3623] sendfile(5, 4, NULL, 524293 [pid 3622] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3622] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3622] close(3) = 0 [pid 3622] close(4) = 0 [pid 3622] close(5) = 0 [pid 3622] close(6) = 0 [pid 3622] close(7) = -1 EBADF (Bad file descriptor) [pid 3622] close(8) = -1 EBADF (Bad file descriptor) [pid 3622] close(9) = -1 EBADF (Bad file descriptor) [pid 3622] close(10) = -1 EBADF (Bad file descriptor) [pid 3622] close(11) = -1 EBADF (Bad file descriptor) [pid 3622] close(12) = -1 EBADF (Bad file descriptor) [pid 3622] close(13) = -1 EBADF (Bad file descriptor) [pid 3622] close(14) = -1 EBADF (Bad file descriptor) [pid 3622] close(15) = -1 EBADF (Bad file descriptor) [pid 3622] close(16) = -1 EBADF (Bad file descriptor) [pid 3622] close(17) = -1 EBADF (Bad file descriptor) [pid 3622] close(18) = -1 EBADF (Bad file descriptor) [pid 3622] close(19) = -1 EBADF (Bad file descriptor) [pid 3622] close(20) = -1 EBADF (Bad file descriptor) [pid 3622] close(21) = -1 EBADF (Bad file descriptor) [pid 3622] close(22) = -1 EBADF (Bad file descriptor) [pid 3622] close(23) = -1 EBADF (Bad file descriptor) [pid 3622] close(24) = -1 EBADF (Bad file descriptor) [pid 3622] close(25) = -1 EBADF (Bad file descriptor) [pid 3622] close(26) = -1 EBADF (Bad file descriptor) [pid 3622] close(27) = -1 EBADF (Bad file descriptor) [pid 3622] close(28) = -1 EBADF (Bad file descriptor) [pid 3622] close(29) = -1 EBADF (Bad file descriptor) [pid 3622] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ) = 156 [pid 3622] exit_group(0 [pid 3623] <... sendfile resumed>) = ? [pid 3622] <... exit_group resumed>) = ? [pid 3623] +++ exited with 0 +++ [pid 3622] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566036d0) = 4 ./strace-static-x86_64: Process 3624 attached [pid 3624] set_robust_list(0x5555566036e0, 24) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7efe5de52000 [pid 3624] mprotect(0x7efe5de53000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3624] clone(child_stack=0x7efe5de722f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3625 attached , parent_tid=[5], tls=0x7efe5de72700, child_tidptr=0x7efe5de729d0) = 5 [pid 3625] set_robust_list(0x7efe5de729e0, 24 [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... set_robust_list resumed>) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/usbmon0", O_RDONLY [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... openat resumed>) = 3 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3625] io_uring_enter(-1, 0, 0, 0, NULL, 0 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... io_uring_enter resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] ioctl(-1, AUTOFS_DEV_IOCTL_ASKUMOUNT [pid 3624] <... futex resumed>) = 0 [pid 3625] <... ioctl resumed>, 0x20000100) = -1 EBADF (Bad file descriptor) [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/nullb0", O_RDONLY [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... openat resumed>) = 4 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3625] socket(AF_PPPOX, 0, 0 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... socket resumed>) = 5 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] close(5 [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... close resumed>) = 0 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... futex resumed>) = 0 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3625] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... socket resumed>) = 5 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3624] <... futex resumed>) = 0 [pid 3625] <... socket resumed>) = 6 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3625] ioctl(6, SIOCGIFINDEX, {ifr_name="vcan0" [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... ioctl resumed>, ifr_ifindex=13}) = 0 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3624] <... futex resumed>) = 0 [pid 3625] bind(5, {sa_family=AF_CAN, sa_data="\x00\x00\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] <... bind resumed>) = 0 [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3624] <... futex resumed>) = 0 [pid 3625] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] connect(5, {sa_family=AF_CAN, sa_data="\x65\x76\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3624] <... futex resumed>) = 0 [pid 3625] <... connect resumed>) = 0 [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] <... futex resumed>) = 0 [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] getsockopt(-1, 0x6b /* SOL_?? */, 4, [pid 3624] <... futex resumed>) = 0 [pid 3625] <... getsockopt resumed>0x200002c0, [4]) = -1 EBADF (Bad file descriptor) [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3625] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3625] <... futex resumed>) = 0 [pid 3624] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3625] sendfile(5, 4, NULL, 524293 [pid 3624] <... futex resumed>) = 0 [ 56.871459][ C1] vcan0: j1939_xtp_rx_dat: no tx connection found [pid 3624] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3624] close(3) = 0 [pid 3624] close(4) = 0 [pid 3624] close(5) = 0 [pid 3624] close(6) = 0 [pid 3624] close(7) = -1 EBADF (Bad file descriptor) [pid 3624] close(8) = -1 EBADF (Bad file descriptor) [pid 3624] close(9) = -1 EBADF (Bad file descriptor) [pid 3624] close(10) = -1 EBADF (Bad file descriptor) [pid 3624] close(11) = -1 EBADF (Bad file descriptor) [pid 3624] close(12) = -1 EBADF (Bad file descriptor) [pid 3624] close(13) = -1 EBADF (Bad file descriptor) [pid 3624] close(14) = -1 EBADF (Bad file descriptor) [pid 3624] close(15) = -1 EBADF (Bad file descriptor) [pid 3624] close(16) = -1 EBADF (Bad file descriptor) [pid 3624] close(17) = -1 EBADF (Bad file descriptor) [pid 3624] close(18) = -1 EBADF (Bad file descriptor) [pid 3624] close(19) = -1 EBADF (Bad file descriptor) [pid 3624] close(20) = -1 EBADF (Bad file descriptor) [pid 3624] close(21) = -1 EBADF (Bad file descriptor) [pid 3624] close(22) = -1 EBADF (Bad file descriptor) [pid 3624] close(23) = -1 EBADF (Bad file descriptor) [pid 3624] close(24) = -1 EBADF (Bad file descriptor) [pid 3624] close(25) = -1 EBADF (Bad file descriptor) [pid 3624] close(26) = -1 EBADF (Bad file descriptor) [pid 3624] close(27) = -1 EBADF (Bad file descriptor) [pid 3624] close(28write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory ) = -1 EBADF (Bad file descriptor) [pid 3624] close(29) = -1 EBADF (Bad file descriptor) [pid 3624] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 3624] exit_group(0 [pid 3625] <... sendfile resumed>) = ? [pid 3624] <... exit_group resumed>) = ? [pid 3625] +++ exited with 0 +++ [pid 3624] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566036d0) = 6 ./strace-static-x86_64: Process 3626 attached [pid 3626] set_robust_list(0x5555566036e0, 24) = 0 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7efe5de52000 [pid 3626] mprotect(0x7efe5de53000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3626] clone(child_stack=0x7efe5de722f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3627 attached , parent_tid=[7], tls=0x7efe5de72700, child_tidptr=0x7efe5de729d0) = 7 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] set_robust_list(0x7efe5de729e0, 24) = 0 [pid 3627] openat(AT_FDCWD, "/dev/usbmon0", O_RDONLY) = 3 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] io_uring_enter(-1, 0, 0, 0, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] ioctl(-1, AUTOFS_DEV_IOCTL_ASKUMOUNT, 0x20000100) = -1 EBADF (Bad file descriptor) [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] openat(AT_FDCWD, "/dev/nullb0", O_RDONLY [pid 3626] <... futex resumed>) = 0 [pid 3627] <... openat resumed>) = 4 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] socket(AF_PPPOX, 0, 0 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... socket resumed>) = 5 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3627] close(5 [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... close resumed>) = 0 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... futex resumed>) = 0 [pid 3626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... socket resumed>) = 5 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... socket resumed>) = 6 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] ioctl(6, SIOCGIFINDEX, {ifr_name="vcan0" [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... ioctl resumed>, ifr_ifindex=13}) = 0 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] bind(5, {sa_family=AF_CAN, sa_data="\x00\x00\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... bind resumed>) = 0 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] connect(5, {sa_family=AF_CAN, sa_data="\x65\x76\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... connect resumed>) = 0 [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] getsockopt(-1, 0x6b /* SOL_?? */, 4, [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3627] <... getsockopt resumed>0x200002c0, [4]) = -1 EBADF (Bad file descriptor) [pid 3627] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3626] <... futex resumed>) = 0 [pid 3627] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3626] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3626] <... futex resumed>) = 0 [pid 3627] sendfile(5, 4, NULL, 524293 [pid 3626] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3626] close(3) = 0 [pid 3626] close(4) = 0 [pid 3626] close(5) = 0 [pid 3626] close(6) = 0 [pid 3626] close(7) = -1 EBADF (Bad file descriptor) [pid 3626] close(8) = -1 EBADF (Bad file descriptor) [pid 3626] close(9) = -1 EBADF (Bad file descriptor) [pid 3626] close(10) = -1 EBADF (Bad file descriptor) [pid 3626] close(11) = -1 EBADF (Bad file descriptor) [pid 3626] close(12) = -1 EBADF (Bad file descriptor) [pid 3626] close(13) = -1 EBADF (Bad file descriptor) [pid 3626] close(14) = -1 EBADF (Bad file descriptor) [pid 3626] close(15) = -1 EBADF (Bad file descriptor) [pid 3626] close(16) = -1 EBADF (Bad file descriptor) [pid 3626] close(17) = -1 EBADF (Bad file descriptor) [pid 3626] close(18) = -1 EBADF (Bad file descriptor) [pid 3626] close(19) = -1 EBADF (Bad file descriptor) [pid 3626] close(20) = -1 EBADF (Bad file descriptor) [pid 3626] close(21) = -1 EBADF (Bad file descriptor) [pid 3626] close(22) = -1 EBADF (Bad file descriptor) [pid 3626] close(23) = -1 EBADF (Bad file descriptor) [pid 3626] close(24) = -1 EBADF (Bad file descriptor) [pid 3626] close(25) = -1 EBADF (Bad file descriptor) write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory [pid 3626] close(26) = -1 EBADF (Bad file descriptor) [pid 3626] close(27) = -1 EBADF (Bad file descriptor) [pid 3626] close(28) = -1 EBADF (Bad file descriptor) [pid 3626] close(29) = -1 EBADF (Bad file descriptor) [pid 3626] write(1, "write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory\nwrite to /proc/sys/ne"..., 156) = 156 [pid 3626] exit_group(0 [pid 3627] <... sendfile resumed>) = ? [pid 3626] <... exit_group resumed>) = ? [pid 3627] +++ exited with 0 +++ [pid 3626] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566036d0) = 8 ./strace-static-x86_64: Process 3628 attached [pid 3628] set_robust_list(0x5555566036e0, 24) = 0 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7efe5de52000 [pid 3628] mprotect(0x7efe5de53000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3628] clone(child_stack=0x7efe5de722f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3629 attached , parent_tid=[9], tls=0x7efe5de72700, child_tidptr=0x7efe5de729d0) = 9 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] set_robust_list(0x7efe5de729e0, 24) = 0 [pid 3629] openat(AT_FDCWD, "/dev/usbmon0", O_RDONLY) = 3 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] io_uring_enter(-1, 0, 0, 0, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] ioctl(-1, AUTOFS_DEV_IOCTL_ASKUMOUNT, 0x20000100) = -1 EBADF (Bad file descriptor) [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] openat(AT_FDCWD, "/dev/nullb0", O_RDONLY) = 4 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] socket(AF_PPPOX, 0, 0 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... socket resumed>) = 5 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] close(5 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... close resumed>) = 0 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... socket resumed>) = 5 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... socket resumed>) = 6 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... futex resumed>) = 0 [pid 3628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3629] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 [pid 3629] ioctl(6, SIOCGIFINDEX, {ifr_name="vcan0" [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... ioctl resumed>, ifr_ifindex=13}) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 [pid 3629] bind(5, {sa_family=AF_CAN, sa_data="\x00\x00\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... bind resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 [pid 3629] connect(5, {sa_family=AF_CAN, sa_data="\x65\x76\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... connect resumed>) = 0 [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 [pid 3629] getsockopt(-1, 0x6b /* SOL_?? */, 4, [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3629] <... getsockopt resumed>0x200002c0, [4]) = -1 EBADF (Bad file descriptor) [pid 3629] futex(0x7efe5df4d4cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3628] <... futex resumed>) = 0 [pid 3629] futex(0x7efe5df4d4c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3628] futex(0x7efe5df4d4c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3628] <... futex resumed>) = 0 [ 57.472385][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [pid 3629] sendfile(5, 4, NULL, 524293 [pid 3628] futex(0x7efe5df4d4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 57.628207][ C1] vcan0: j1939_tp_rxtimer: 0xffff88807bf5e800: rx timeout, send abort [ 57.637635][ C1] vcan0: j1939_xtp_rx_abort_one: 0xffff888078f3a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 57.656737][ C1] vcan0: j1939_xtp_rx_abort_one: 0xffff888078f3a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 57.656736][ C0] vcan0: j1939_xtp_rx_dat_one: 0xffff888078f3a000: last 00 [pid 3629] <... sendfile resumed>) = 90112 [ 57.656799][ C1] vcan0: j1939_xtp_rx_abort_one: 0xffff88802727b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 57.671159][ C0] vcan0: j1939_xtp_rx_dat_one: 0xffff888078f36c00: last 00 [ 57.702893][ C0] vcan0: j1939_xtp_rx_dat_one: 0xffff888078f36c00: Data of RX-looped back packet (00 ff ff ff ff ff ff) doesn't match TX data (00 00 00 00 00 00 00)! [ 57.718135][ C0] vcan0: j1939_xtp_rx_dat_one: 0xffff8880774cb000: last 15 [ 57.725545][ C0] vcan0: j1939_xtp_rx_abort_one: 0xffff888078f36c00: 0x00000: (5) Maximal retransmit request limit reached [ 57.737029][ C0] vcan0: j1939_xtp_rx_abort_one: 0xffff888078f36800: 0x00000: (5) Maximal retransmit request limit reached [ 57.749215][ C0] ------------[ cut here ]------------ [ 57.754830][ C0] WARNING: CPU: 0 PID: 15 at net/can/j1939/transport.c:1096 j1939_session_deactivate_activate_next+0x95/0xd3 [ 57.766457][ C0] Modules linked in: [ 57.770363][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.0.0-syzkaller #0 [ 57.778219][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 57.788291][ C0] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 [ 57.795658][ C0] Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 f7 c1 49 f8 8b 5d 28 bf 01 00 00 00 89 de e8 28 19 fe f7 83 fb 01 77 07 e8 5e 1c fe f7 <0f> 0b e8 57 1c fe f7 48 89 ef e8 4f 5d d7 fe 4c 89 e7 89 c3 e8 15 [ 57.815295][ C0] RSP: 0018:ffffc9000035f9a0 EFLAGS: 00010246 [ 57.821370][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 [ 57.829349][ C0] RDX: ffff8880121e6140 RSI: ffffffff897d1ac2 RDI: 0000000000000005 [ 57.837376][ C0] RBP: ffff888078f36800 R08: 0000000000000005 R09: 0000000000000001 [ 57.845355][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807790d070 [ 57.853348][ C0] R13: ffff888078f36828 R14: ffff88807a5a5018 R15: ffffffff8b0977a0 [ 57.861329][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 57.870270][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.876873][ C0] CR2: 00007efe5df0dea0 CR3: 000000000bc8e000 CR4: 00000000003506f0 [ 57.884844][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.892824][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.900807][ C0] Call Trace: [ 57.904076][ C0] [ 57.907037][ C0] j1939_xtp_rx_abort_one.cold+0x20b/0x33c [ 57.912850][ C0] j1939_tp_recv+0xb3d/0xcb0 [ 57.917452][ C0] j1939_can_recv+0x6ff/0x9a0 [ 57.922138][ C0] ? j1939_netdev_notify+0x1d0/0x1d0 [ 57.927431][ C0] ? j1939_netdev_notify+0x1d0/0x1d0 [ 57.932712][ C0] can_rcv_filter+0x5d4/0x8d0 [ 57.937400][ C0] can_receive+0x31d/0x580 [ 57.941806][ C0] can_rcv+0x120/0x1c0 [ 57.945866][ C0] ? can_receive+0x580/0x580 [ 57.950481][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 57.956366][ C0] ? __netif_receive_skb_core+0x38f0/0x38f0 [ 57.962267][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 57.967300][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 57.972226][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.977435][ C0] __netif_receive_skb+0x1f/0x1c0 [ 57.982451][ C0] process_backlog+0x3a0/0x7c0 [ 57.987222][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.992409][ C0] __napi_poll+0xb3/0x6d0 [ 57.996788][ C0] net_rx_action+0x9c1/0xd90 [ 58.001401][ C0] ? napi_threaded_poll+0x530/0x530 [ 58.006655][ C0] ? cpuacct_all_seq_show+0x520/0x520 [ 58.012097][ C0] ? sched_core_balance+0x9b0/0x9b0 [ 58.017338][ C0] __do_softirq+0x1d3/0x9c6 [ 58.021849][ C0] ? __irq_exit_rcu+0x180/0x180 [ 58.026743][ C0] run_ksoftirqd+0x2d/0x60 [ 58.031168][ C0] smpboot_thread_fn+0x645/0x9c0 [ 58.036106][ C0] ? sort_range+0x30/0x30 [ 58.040453][ C0] kthread+0x2e4/0x3a0 [ 58.044518][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 58.050161][ C0] ret_from_fork+0x1f/0x30 [ 58.054580][ C0] [ 58.057607][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 58.064179][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.0.0-syzkaller #0 [ 58.071966][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 58.082006][ C0] Call Trace: [ 58.085272][ C0] [ 58.088189][ C0] dump_stack_lvl+0xcd/0x134 [ 58.092790][ C0] panic+0x2c8/0x627 [ 58.096680][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 58.102662][ C0] ? __warn.cold+0x248/0x2c4 [ 58.107244][ C0] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 58.113994][ C0] __warn.cold+0x259/0x2c4 [ 58.118398][ C0] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 58.125153][ C0] report_bug+0x1bc/0x210 [ 58.129472][ C0] handle_bug+0x3c/0x60 [ 58.133616][ C0] exc_invalid_op+0x14/0x40 [ 58.138113][ C0] asm_exc_invalid_op+0x16/0x20 [ 58.142972][ C0] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 [ 58.150330][ C0] Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 f7 c1 49 f8 8b 5d 28 bf 01 00 00 00 89 de e8 28 19 fe f7 83 fb 01 77 07 e8 5e 1c fe f7 <0f> 0b e8 57 1c fe f7 48 89 ef e8 4f 5d d7 fe 4c 89 e7 89 c3 e8 15 [ 58.170012][ C0] RSP: 0018:ffffc9000035f9a0 EFLAGS: 00010246 [ 58.176067][ C0] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 [ 58.184025][ C0] RDX: ffff8880121e6140 RSI: ffffffff897d1ac2 RDI: 0000000000000005 [ 58.191998][ C0] RBP: ffff888078f36800 R08: 0000000000000005 R09: 0000000000000001 [ 58.199971][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807790d070 [ 58.207927][ C0] R13: ffff888078f36828 R14: ffff88807a5a5018 R15: ffffffff8b0977a0 [ 58.215890][ C0] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 58.222644][ C0] j1939_xtp_rx_abort_one.cold+0x20b/0x33c [ 58.228439][ C0] j1939_tp_recv+0xb3d/0xcb0 [ 58.233019][ C0] j1939_can_recv+0x6ff/0x9a0 [ 58.237680][ C0] ? j1939_netdev_notify+0x1d0/0x1d0 [ 58.242953][ C0] ? j1939_netdev_notify+0x1d0/0x1d0 [ 58.248224][ C0] can_rcv_filter+0x5d4/0x8d0 [ 58.252888][ C0] can_receive+0x31d/0x580 [ 58.257401][ C0] can_rcv+0x120/0x1c0 [ 58.261457][ C0] ? can_receive+0x580/0x580 [ 58.266033][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 58.271915][ C0] ? __netif_receive_skb_core+0x38f0/0x38f0 [ 58.277794][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 58.282805][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 58.287732][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 58.292918][ C0] __netif_receive_skb+0x1f/0x1c0 [ 58.297930][ C0] process_backlog+0x3a0/0x7c0 [ 58.302712][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 58.307918][ C0] __napi_poll+0xb3/0x6d0 [ 58.312252][ C0] net_rx_action+0x9c1/0xd90 [ 58.316996][ C0] ? napi_threaded_poll+0x530/0x530 [ 58.322207][ C0] ? cpuacct_all_seq_show+0x520/0x520 [ 58.327571][ C0] ? sched_core_balance+0x9b0/0x9b0 [ 58.332769][ C0] __do_softirq+0x1d3/0x9c6 [ 58.337264][ C0] ? __irq_exit_rcu+0x180/0x180 [ 58.342101][ C0] run_ksoftirqd+0x2d/0x60 [ 58.346508][ C0] smpboot_thread_fn+0x645/0x9c0 [ 58.351442][ C0] ? sort_range+0x30/0x30 [ 58.355753][ C0] kthread+0x2e4/0x3a0 [ 58.359809][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 58.365426][ C0] ret_from_fork+0x1f/0x30 [ 58.369831][ C0] [ 58.373147][ C0] Kernel Offset: disabled [ 58.377544][ C0] Rebooting in 86400 seconds..