./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3034965016 <...> Warning: Permanently added '10.128.0.134' (ED25519) to the list of known hosts. execve("./syz-executor3034965016", ["./syz-executor3034965016"], 0x7fffd8577910 /* 10 vars */) = 0 brk(NULL) = 0x55556a086000 brk(0x55556a086d40) = 0x55556a086d40 arch_prctl(ARCH_SET_FS, 0x55556a0863c0) = 0 set_tid_address(0x55556a086690) = 5829 set_robust_list(0x55556a0866a0, 24) = 0 rseq(0x55556a086ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3034965016", 4096) = 28 getrandom("\x41\xbc\x14\x05\x45\xb1\x21\xd7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a086d40 brk(0x55556a0a7d40) = 0x55556a0a7d40 brk(0x55556a0a8000) = 0x55556a0a8000 mprotect(0x7fe3e3a5b000, 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 openat(AT_FDCWD, "/proc/self/make-it-fail", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x55556a0866a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55556a086690) = 5830 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5830] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5830] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5830] dup2(4, 202) = 202 [pid 5830] close(4) = 0 [pid 5830] write(202, "\xff\x00", 2) = 2 [pid 5830] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7fe3e3a04980, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe3e39f6790}, NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5830] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe3e3191000 [pid 5830] mprotect(0x7fe3e3192000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe3e3991990, parent_tid=0x7fe3e3991990, exit_signal=0, stack=0x7fe3e3191000, stack_size=0x800300, tls=0x7fe3e39916c0}./strace-static-x86_64: Process 5833 attached [pid 5833] rseq(0x7fe3e3991fe0, 0x20, 0, 0x53053053) = 0 [pid 5830] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2 [pid 5833] set_robust_list(0x7fe3e39919a0, 24 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... set_robust_list resumed>) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] ioctl(3, HCIDEVUP [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13 [pid 5833] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14 [pid 5833] read(202, "\x01\x23\x0c\x00", 1024) = 4 [ 63.785112][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.806506][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.827520][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x25\x0c\x00", 1024) = 4 [ 63.858285][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5833] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=249}], 4) = 255 [pid 5830] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5833] read(202, [pid 5830] ioctl(3, HCISETSCAN [pid 5833] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5833] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4) = 7 [pid 5830] <... ioctl resumed>, 0x7ffca709aff0) = 0 [ 63.910697][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.941610][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5833] rt_sigprocmask(SIG_BLOCK, ~[RT_1], [pid 5830] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] madvise(0x7fe3e3191000, 8372224, MADV_DONTNEED) = 0 [pid 5830] <... writev resumed>) = 13 [pid 5830] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3 [pid 5833] exit(0 [pid 5830] <... writev resumed>) = 14 [pid 5830] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14 [pid 5830] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22 [pid 5830] futex(0x7fe3e3991990, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 2, NULL, FUTEX_BITSET_MATCH_ANY [pid 5833] <... exit resumed>) = ? [pid 5833] +++ exited with 0 +++ [pid 5830] <... futex resumed>) = 0 [pid 5830] close(3) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] getppid() = 0 [pid 5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5830] unshare(CLONE_NEWNS) = 0 [pid 5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5830] unshare(CLONE_NEWIPC) = 0 [pid 5830] unshare(CLONE_NEWCGROUP) = 0 [pid 5830] unshare(CLONE_NEWUTS) = 0 [pid 5830] unshare(CLONE_SYSVSEM) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "16777216", 8) = 8 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "536870912", 9) = 9 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "8192", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5830] close(3) = 0 [pid 5830] getpid() = 1 [pid 5830] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] set_robust_list(0x55556a0866a0, 24 [pid 5830] <... clone resumed>, child_tidptr=0x55556a086690) = 3 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1000", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] write(1, "executing program\n", 18executing program ) = 18 [pid 5835] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=5, insns=0x20000480, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_SOCK_CREATE, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 148) = 3 [pid 5835] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="virtio_transport_alloc_pkt", prog_fd=3}}, 24) = 4 [pid 5835] socket(AF_VSOCK, SOCK_STREAM, 0) = 5 [pid 5835] bind(5, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_ANY, svm_port=0, svm_flags=0}, 16) = 0 [pid 5835] listen(5, 0) = 0 [pid 5835] socket(AF_VSOCK, SOCK_STREAM, 0) = 6 [pid 5835] connect(6, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_LOCAL, svm_port=0, svm_flags=0}, 16) = -1 EINTR (Interrupted system call) [pid 5835] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} --- [pid 5835] getpid() = 3 [pid 5835] rt_sigreturn({mask=[]}) = -1 EINTR (Interrupted system call) [pid 5835] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7 [pid 5835] write(7, "5", 1) = 1 [ 64.604377][ T5835] FAULT_INJECTION: forcing a failure. [ 64.604377][ T5835] name failslab, interval 1, probability 0, space 0, times 1 [ 64.617261][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor303 Not tainted 6.13.0-rc6-syzkaller-00898-g25cc469d6d34 #0 [ 64.628393][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.638444][ T5835] Call Trace: [ 64.641710][ T5835] [ 64.644629][ T5835] dump_stack_lvl+0x241/0x360 [ 64.649314][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10 [ 64.654495][ T5835] ? __pfx__printk+0x10/0x10 [ 64.659070][ T5835] ? __kmalloc_cache_noprof+0x48/0x390 [ 64.664512][ T5835] ? __pfx___might_resched+0x10/0x10 [ 64.669781][ T5835] should_fail_ex+0x3b0/0x4e0 [ 64.674472][ T5835] should_failslab+0xac/0x100 [ 64.679134][ T5835] __kmalloc_cache_noprof+0x70/0x390 [ 64.684402][ T5835] ? virtio_transport_do_socket_init+0x57/0x300 [ 64.690633][ T5835] ? kfree+0x196/0x430 [ 64.694704][ T5835] virtio_transport_do_socket_init+0x57/0x300 [ 64.700772][ T5835] vsock_assign_transport+0x4b8/0x610 [ 64.706128][ T5835] vsock_connect+0x5cf/0xe30 [ 64.710703][ T5835] ? aa_sk_perm+0x96d/0xab0 [ 64.715193][ T5835] ? __pfx_vsock_connect+0x10/0x10 [ 64.720287][ T5835] ? __pfx_autoremove_wake_function+0x10/0x10 [ 64.726336][ T5835] ? __might_fault+0xc6/0x120 [ 64.730998][ T5835] __sys_connect+0x288/0x2d0 [ 64.735572][ T5835] ? lockdep_hardirqs_on+0x99/0x150 [ 64.740757][ T5835] ? __pfx___sys_connect+0x10/0x10 [ 64.745848][ T5835] ? ptrace_notify+0x279/0x380 [ 64.750600][ T5835] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.756909][ T5835] ? do_syscall_64+0x100/0x230 [ 64.761659][ T5835] __x64_sys_connect+0x7a/0x90 [ 64.766407][ T5835] do_syscall_64+0xf3/0x230 [ 64.770909][ T5835] ? clear_bhb_loop+0x35/0x90 [ 64.775579][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.781463][ T5835] RIP: 0033:0x7fe3e39dee39 [ 64.785866][ T5835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 64.805451][ T5835] RSP: 002b:00007ffca709afb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 64.813845][ T5835] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3e39dee39 [ 64.821798][ T5835] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000006 [ 64.829748][ T5835] RBP: 0000000000000001 R08: 00007ffca709ad57 R09: 0000000000000000 [ 64.837698][ T5835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.845651][ T5835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [pid 5835] connect(6, {sa_family=AF_VSOCK, svm_cid=0x4d2, svm_port=0x2710, svm_flags=0}, 16) = -1 ENOMEM (Cannot allocate memory) [pid 5835] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} --- [pid 5835] getpid() = 3 [pid 5835] rt_sigreturn({mask=[]}) = -1 ENOMEM (Cannot allocate memory) [ 64.853611][ T5835] [ 64.857875][ T8] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN PTI [ 64.870485][ T8] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 64.878889][ T8] CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.13.0-rc6-syzkaller-00898-g25cc469d6d34 #0 [ 64.889374][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.899420][ T8] Workqueue: vsock-loopback vsock_loopback_work [ 64.905658][ T8] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 64.911539][ T8] Code: 8d 9e 50 05 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 58 82 5c f6 48 8b 1b 48 83 c3 60 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 3b 82 5c f6 4c 8b 1b 4c 89 f7 5b [ 64.931137][ T8] RSP: 0018:ffffc900000d7748 EFLAGS: 00010206 [ 64.937199][ T8] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff88801cac5a00 [ 64.945157][ T8] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888077bf08c0 [ 64.953115][ T8] RBP: ffff888077bf08c0 R08: ffff888077bf0927 R09: 1ffff1100ef7e124 [ 64.961074][ T8] R10: dffffc0000000000 R11: ffffed100ef7e125 R12: dffffc0000000000 [ 64.969047][ T8] R13: ffffffff8ffeb820 R14: ffff888077bf08c0 R15: dffffc0000000000 [ 64.977015][ T8] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 64.985937][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.992513][ T8] CR2: 00007ffca709b000 CR3: 000000007b69c000 CR4: 00000000003526f0 [ 65.000478][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.008436][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.016395][ T8] Call Trace: [ 65.019666][ T8] [ 65.022588][ T8] ? __die_body+0x5f/0xb0 [ 65.026913][ T8] ? die_addr+0xb0/0xe0 [ 65.031056][ T8] ? exc_general_protection+0x3dd/0x5d0 [ 65.036600][ T8] ? asm_exc_general_protection+0x26/0x30 [ 65.042315][ T8] ? vsock_stream_has_data+0x46/0x70 [ 65.047593][ T8] ? vsock_stream_has_data+0x1b/0x70 [ 65.052865][ T8] virtio_transport_do_close+0x64/0x3d0 [ 65.058403][ T8] ? sock_def_write_space+0x2e2/0x420 [ 65.063766][ T8] ? sock_def_write_space+0x23/0x420 [ 65.069042][ T8] virtio_transport_recv_pkt+0x1755/0x2b10 [ 65.074839][ T8] ? __pfx_virtio_transport_recv_pkt+0x10/0x10 [ 65.080985][ T8] ? __pfx_lock_acquire+0x10/0x10 [ 65.086002][ T8] ? vsock_deliver_tap+0x21/0x1b0 [ 65.091015][ T8] ? __pfx_lock_release+0x10/0x10 [ 65.096046][ T8] ? __local_bh_enable_ip+0x168/0x200 [ 65.101423][ T8] ? __local_bh_enable_ip+0x168/0x200 [ 65.106795][ T8] ? vsock_deliver_tap+0x21/0x1b0 [ 65.111817][ T8] ? __pfx_virtio_transport_build_skb+0x10/0x10 [ 65.118062][ T8] vsock_loopback_work+0x3e9/0x530 [ 65.123177][ T8] ? __pfx_vsock_loopback_work+0x10/0x10 [ 65.128803][ T8] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.134785][ T8] ? process_scheduled_works+0x976/0x1840 [ 65.140493][ T8] process_scheduled_works+0xa66/0x1840 [ 65.146041][ T8] ? __pfx_process_scheduled_works+0x10/0x10 [ 65.152016][ T8] ? assign_work+0x364/0x3d0 [pid 5835] close(3) = 0 [ 65.156599][ T8] worker_thread+0x870/0xd30 [ 65.161184][ T8] ? __kthread_parkme+0x169/0x1d0 [ 65.166210][ T8] ? __pfx_worker_thread+0x10/0x10 [ 65.171313][ T8] kthread+0x2f0/0x390 [ 65.175373][ T8] ? __pfx_worker_thread+0x10/0x10 [ 65.180473][ T8] ? __pfx_kthread+0x10/0x10 [ 65.185052][ T8] ret_from_fork+0x4b/0x80 [ 65.189462][ T8] ? __pfx_kthread+0x10/0x10 [ 65.194043][ T8] ret_from_fork_asm+0x1a/0x30 [ 65.198800][ T8] [ 65.201805][ T8] Modules linked in: [pid 5835] close(4) = 0 [pid 5835] close(5) = 0 [ 65.205881][ T8] ---[ end trace 0000000000000000 ]--- [ 65.211697][ T8] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 65.217682][ T8] Code: 8d 9e 50 05 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 58 82 5c f6 48 8b 1b 48 83 c3 60 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 3b 82 5c f6 4c 8b 1b 4c 89 f7 5b [ 65.237788][ T8] RSP: 0018:ffffc900000d7748 EFLAGS: 00010206 [ 65.243901][ T8] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff88801cac5a00 [ 65.251945][ T8] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888077bf08c0 [ 65.259964][ T8] RBP: ffff888077bf08c0 R08: ffff888077bf0927 R09: 1ffff1100ef7e124 [ 65.267976][ T8] R10: dffffc0000000000 R11: ffffed100ef7e125 R12: dffffc0000000000 [ 65.275973][ T8] R13: ffffffff8ffeb820 R14: ffff888077bf08c0 R15: dffffc0000000000 [ 65.283941][ T8] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.292888][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.299496][ T8] CR2: 00007ffca709b000 CR3: 00000000334b6000 CR4: 00000000003526f0 [ 65.307491][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.315487][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.323456][ T8] Kernel panic - not syncing: Fatal exception [ 65.329745][ T8] Kernel Offset: disabled [ 65.334057][ T8] Rebooting in 86400 seconds..