./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor850678919 <...> Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. execve("./syz-executor850678919", ["./syz-executor850678919"], 0x7ffe3f3bae30 /* 10 vars */) = 0 brk(NULL) = 0x5555814b0000 brk(0x5555814b0d40) = 0x5555814b0d40 arch_prctl(ARCH_SET_FS, 0x5555814b03c0) = 0 set_tid_address(0x5555814b0690) = 5829 set_robust_list(0x5555814b06a0, 24) = 0 rseq(0x5555814b0ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor850678919", 4096) = 27 getrandom("\xd6\x1f\x9a\x5b\x56\x4f\x5c\x52", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555814b0d40 brk(0x5555814d1d40) = 0x5555814d1d40 brk(0x5555814d2000) = 0x5555814d2000 mprotect(0x7f88b47e6000, 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 , child_tidptr=0x5555814b0690) = 5830 [pid 5830] set_robust_list(0x5555814b06a0, 24) = 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=0x7f88b478f980, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f88b4781790}, 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) = 0x7f88b3f1c000 [pid 5830] mprotect(0x7f88b3f1d000, 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=0x7f88b471c990, parent_tid=0x7f88b471c990, exit_signal=0, stack=0x7f88b3f1c000, stack_size=0x800300, tls=0x7f88b471c6c0}./strace-static-x86_64: Process 5834 attached => {parent_tid=[2]}, 88) = 2 [pid 5834] rseq(0x7f88b471cfe0, 0x20, 0, 0x53053053 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... rseq resumed>) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] set_robust_list(0x7f88b471c9a0, 24 [pid 5830] ioctl(3, HCIDEVUP [pid 5834] <... set_robust_list resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5834] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5834] 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 [ 65.040029][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.058546][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [pid 5834] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x23\x0c\x00", 1024) = 4 [pid 5834] 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 [ 65.089213][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5834] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x25\x0c\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5834] 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 [ 65.140170][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.172117][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [pid 5834] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5834] 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 5834] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5834] 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 5834] read(202, [pid 5830] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5830] ioctl(3, HCISETSCAN [pid 5834] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5834] 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 5834] rt_sigprocmask(SIG_BLOCK, ~[RT_1], [pid 5830] <... ioctl resumed>, 0x7ffecda3d990) = 0 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 65.190017][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5834] madvise(0x7f88b3f1c000, 8372224, MADV_DONTNEED) = 0 [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 5834] exit(0 [pid 5830] <... writev resumed>) = 13 [pid 5834] <... exit resumed>) = ? [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 5834] +++ exited with 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] 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< [ 65.926276][ T5836] dump_stack_lvl+0x241/0x360 [ 65.930985][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.936192][ T5836] ? __pfx__printk+0x10/0x10 [ 65.940785][ T5836] ? __kmalloc_cache_noprof+0x48/0x390 [ 65.946264][ T5836] ? __pfx___might_resched+0x10/0x10 [ 65.951574][ T5836] should_fail_ex+0x3b0/0x4e0 [ 65.956252][ T5836] should_failslab+0xac/0x100 [ 65.960955][ T5836] __kmalloc_cache_noprof+0x70/0x390 [ 65.966271][ T5836] ? virtio_transport_do_socket_init+0x57/0x300 [ 65.972535][ T5836] ? kfree+0x196/0x430 [ 65.976597][ T5836] virtio_transport_do_socket_init+0x57/0x300 [ 65.982659][ T5836] vsock_assign_transport+0x4b8/0x610 [ 65.988031][ T5836] vsock_connect+0x5cf/0xe30 [ 65.992620][ T5836] ? aa_sk_perm+0x96d/0xab0 [ 65.997137][ T5836] ? __pfx_vsock_connect+0x10/0x10 [ 66.002245][ T5836] ? __pfx_autoremove_wake_function+0x10/0x10 [ 66.008304][ T5836] ? __might_fault+0xc6/0x120 [ 66.012977][ T5836] __sys_connect+0x288/0x2d0 [ 66.017560][ T5836] ? lockdep_hardirqs_on+0x99/0x150 [ 66.022753][ T5836] ? __pfx___sys_connect+0x10/0x10 [ 66.027875][ T5836] ? ptrace_notify+0x279/0x380 [ 66.032736][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.039081][ T5836] ? do_syscall_64+0x100/0x230 [ 66.043843][ T5836] __x64_sys_connect+0x7a/0x90 [ 66.048605][ T5836] do_syscall_64+0xf3/0x230 [ 66.053107][ T5836] ? clear_bhb_loop+0x35/0x90 [ 66.057788][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.063682][ T5836] RIP: 0033:0x7f88b4769e39 [ 66.068092][ T5836] 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 [ 66.087686][ T5836] RSP: 002b:00007ffecda3d958 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 66.096113][ T5836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88b4769e39 [ 66.104076][ T5836] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000006 [ 66.112040][ T5836] RBP: 0000000000000001 R08: 00007ffecda3d6f7 R09: 0000000000000000 [ 66.120020][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 66.127993][ T5836] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [pid 5836] connect(6, {sa_family=AF_VSOCK, svm_cid=0x4d2, svm_port=0x2710, svm_flags=0}, 16) = -1 ENOMEM (Cannot allocate memory) [pid 5836] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} --- [pid 5836] getpid() = 3 [pid 5836] rt_sigreturn({mask=[]}) = -1 ENOMEM (Cannot allocate memory) [pid 5836] close(3) = 0 [ 66.135970][ T5836] [ 66.141188][ T57] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN PTI [ 66.153812][ T57] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 66.162219][ T57] CPU: 1 UID: 0 PID: 57 Comm: kworker/1:1 Not tainted 6.13.0-rc6-syzkaller-00898-g25cc469d6d34 #0 [ 66.172792][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 66.182838][ T57] Workqueue: vsock-loopback vsock_loopback_work [ 66.189083][ T57] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 66.194975][ T57] 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 [ 66.214579][ T57] RSP: 0018:ffffc9000101f748 EFLAGS: 00010206 [ 66.220644][ T57] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff888022ed8000 [ 66.228616][ T57] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888029940000 [ 66.236582][ T57] RBP: ffff888029940000 R08: ffff888029940067 R09: 1ffff1100532800c [ 66.244551][ T57] R10: dffffc0000000000 R11: ffffed100532800d R12: dffffc0000000000 [ 66.252519][ T57] R13: ffffffff8ffeb820 R14: ffff888029940000 R15: dffffc0000000000 [ 66.260484][ T57] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 66.269406][ T57] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.275981][ T57] CR2: 00007f88b47ce6e5 CR3: 00000000342b8000 CR4: 00000000003526f0 [ 66.283964][ T57] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.291952][ T57] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.299948][ T57] Call Trace: [ 66.303247][ T57] [ 66.306177][ T57] ? __die_body+0x5f/0xb0 [ 66.310534][ T57] ? die_addr+0xb0/0xe0 [ 66.314693][ T57] ? exc_general_protection+0x3dd/0x5d0 [ 66.320264][ T57] ? asm_exc_general_protection+0x26/0x30 [ 66.326000][ T57] ? vsock_stream_has_data+0x46/0x70 [ 66.331329][ T57] ? vsock_stream_has_data+0x1b/0x70 [ 66.336611][ T57] virtio_transport_do_close+0x64/0x3d0 [ 66.342157][ T57] ? sock_def_write_space+0x2e2/0x420 [ 66.347533][ T57] ? sock_def_write_space+0x23/0x420 [ 66.352821][ T57] virtio_transport_recv_pkt+0x1755/0x2b10 [ 66.358635][ T57] ? __pfx_virtio_transport_recv_pkt+0x10/0x10 [ 66.364800][ T57] ? __pfx_lock_acquire+0x10/0x10 [ 66.369829][ T57] ? vsock_deliver_tap+0x21/0x1b0 [ 66.374856][ T57] ? __pfx_lock_release+0x10/0x10 [ 66.379880][ T57] ? __local_bh_enable_ip+0x168/0x200 [ 66.385256][ T57] ? __local_bh_enable_ip+0x168/0x200 [ 66.390627][ T57] ? vsock_deliver_tap+0x21/0x1b0 [ 66.395650][ T57] ? __pfx_virtio_transport_build_skb+0x10/0x10 [ 66.401896][ T57] vsock_loopback_work+0x3e9/0x530 [ 66.407007][ T57] ? __pfx_vsock_loopback_work+0x10/0x10 [ 66.412638][ T57] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 66.418630][ T57] ? process_scheduled_works+0x976/0x1840 [ 66.424370][ T57] process_scheduled_works+0xa66/0x1840 [ 66.429924][ T57] ? __pfx_process_scheduled_works+0x10/0x10 [ 66.435907][ T57] ? assign_work+0x364/0x3d0 [ 66.440502][ T57] worker_thread+0x870/0xd30 [ 66.445101][ T57] ? __kthread_parkme+0x169/0x1d0 [ 66.450132][ T57] ? __pfx_worker_thread+0x10/0x10 [ 66.455247][ T57] kthread+0x2f0/0x390 [ 66.459351][ T57] ? __pfx_worker_thread+0x10/0x10 [ 66.464476][ T57] ? __pfx_kthread+0x10/0x10 [ 66.469065][ T57] ret_from_fork+0x4b/0x80 [ 66.473482][ T57] ? __pfx_kthread+0x10/0x10 [ 66.478070][ T57] ret_from_fork_asm+0x1a/0x30 [ 66.482832][ T57] [ 66.485846][ T57] Modules linked in: [ 66.489860][ T57] ---[ end trace 0000000000000000 ]--- [ 66.496026][ T57] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 66.501980][ T57] 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 [ 66.521807][ T57] RSP: 0018:ffffc9000101f748 EFLAGS: 00010206 [ 66.528076][ T57] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff888022ed8000 [pid 5836] close(4) = 0 [pid 5836] close(5) = 0 [ 66.536235][ T57] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888029940000 [ 66.544269][ T57] RBP: ffff888029940000 R08: ffff888029940067 R09: 1ffff1100532800c [ 66.552469][ T57] R10: dffffc0000000000 R11: ffffed100532800d R12: dffffc0000000000 [ 66.560516][ T57] R13: ffffffff8ffeb820 R14: ffff888029940000 R15: dffffc0000000000 [ 66.568533][ T57] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 66.577592][ T57] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.584249][ T57] CR2: 00007f88b47ce6e5 CR3: 000000002f6a6000 CR4: 00000000003526f0 [ 66.592247][ T57] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.600257][ T57] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.608285][ T57] Kernel panic - not syncing: Fatal exception [ 66.614697][ T57] Kernel Offset: disabled [ 66.619021][ T57] Rebooting in 86400 seconds..