./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3795733358 <...> Warning: Permanently added '10.128.1.112' (ED25519) to the list of known hosts. execve("./syz-executor3795733358", ["./syz-executor3795733358"], 0x7fff57c3fb70 /* 10 vars */) = 0 brk(NULL) = 0x555573799000 brk(0x555573799d40) = 0x555573799d40 arch_prctl(ARCH_SET_FS, 0x5555737993c0) = 0 set_tid_address(0x555573799690) = 5832 set_robust_list(0x5555737996a0, 24) = 0 rseq(0x555573799ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3795733358", 4096) = 28 getrandom("\x39\x22\xc7\x88\x56\x6b\x36\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573799d40 brk(0x5555737bad40) = 0x5555737bad40 brk(0x5555737bb000) = 0x5555737bb000 mprotect(0x7fd0eda38000, 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, child_tidptr=0x555573799690) = 5833 ./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x5555737996a0, 24) = 0 [pid 5833] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3 [pid 5833] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4 [pid 5833] dup2(4, 202) = 202 [pid 5833] close(4) = 0 [pid 5833] write(202, "\xff\x00", 2) = 2 [pid 5833] read(202, "\xff\x00\x00\x00", 4) = 4 [pid 5833] rt_sigaction(SIGRT_1, {sa_handler=0x7fd0ed9e1980, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd0ed9d3790}, NULL, 8) = 0 [pid 5833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5833] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd0ed16e000 [pid 5833] mprotect(0x7fd0ed16f000, 8388608, PROT_READ|PROT_WRITE) = 0 [pid 5833] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd0ed96e990, parent_tid=0x7fd0ed96e990, exit_signal=0, stack=0x7fd0ed16e000, stack_size=0x800300, tls=0x7fd0ed96e6c0}./strace-static-x86_64: Process 5836 attached [pid 5836] rseq(0x7fd0ed96efe0, 0x20, 0, 0x53053053) = 0 [pid 5836] set_robust_list(0x7fd0ed96e9a0, 24) = 0 [pid 5833] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5836] read(202, "\x01\x03\x0c\x00", 1024) = 4 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] 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 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] ioctl(3, HCIDEVUP [pid 5836] <... writev resumed>) = 255 [pid 5836] read(202, "\x01\x03\x10\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x01\x10\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x09\x10\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x05\x10\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x23\x0c\x00", 1024) = 4 [ 69.454690][ T5834] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.470987][ T5834] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.484250][ T5834] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [pid 5836] 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 5836] read(202, "\x01\x14\x0c\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x25\x0c\x00", 1024) = 4 [ 69.542422][ T5834] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [pid 5836] 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 5836] read(202, "\x01\x38\x0c\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x39\x0c\x00", 1024) = 4 [pid 5836] 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 5836] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6 [pid 5836] 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 5833] <... ioctl resumed>, 0) = -1 EALREADY (Operation already in progress) [pid 5836] read(202, [pid 5833] ioctl(3, HCISETSCAN [pid 5836] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5 [pid 5836] 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 [ 69.593988][ T5834] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.605218][ T5834] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [pid 5833] <... ioctl resumed>, 0x7fff28e3f730) = 0 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[RT_1], [pid 5833] 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 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] <... writev resumed>) = 13 [pid 5836] madvise(0x7fd0ed16e000, 8372224, MADV_DONTNEED [pid 5833] 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 5836] <... madvise resumed>) = 0 [pid 5833] <... writev resumed>) = 14 [pid 5836] exit(0 [pid 5833] 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 [pid 5836] <... exit resumed>) = ? [pid 5833] <... writev resumed>) = 14 [pid 5836] +++ exited with 0 +++ [pid 5833] 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 5833] close(3) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] getppid() = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5833] unshare(CLONE_NEWNS) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5833] unshare(CLONE_NEWIPC) = 0 [pid 5833] unshare(CLONE_NEWCGROUP) = 0 [pid 5833] unshare(CLONE_NEWUTS) = 0 [pid 5833] unshare(CLONE_SYSVSEM) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "16777216", 8) = 8 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "536870912", 9) = 9 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "8192", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5833] close(3) = 0 [pid 5833] getpid() = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5838] set_robust_list(0x5555737996a0, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555573799690) = 3 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 executing program [pid 5838] write(1, "executing program\n", 18) = 18 [pid 5838] 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 5838] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="virtio_transport_alloc_pkt", prog_fd=3}}, 24) = 4 [pid 5838] socket(AF_VSOCK, SOCK_STREAM, 0) = 5 [pid 5838] bind(5, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_ANY, svm_port=0, svm_flags=0}, 16) = 0 [pid 5838] listen(5, 0) = 0 [pid 5838] socket(AF_VSOCK, SOCK_STREAM, 0) = 6 [pid 5838] connect(6, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_LOCAL, svm_port=0, svm_flags=0}, 16) = -1 EINTR (Interrupted system call) [pid 5838] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} --- [pid 5838] getpid() = 3 [pid 5838] rt_sigreturn({mask=[]}) = -1 EINTR (Interrupted system call) [pid 5838] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 7 [pid 5838] write(7, "5", 1) = 1 [ 70.285660][ T5838] FAULT_INJECTION: forcing a failure. [ 70.285660][ T5838] name failslab, interval 1, probability 0, space 0, times 1 [ 70.300613][ T5838] CPU: 1 UID: 0 PID: 5838 Comm: syz-executor379 Not tainted 6.13.0-rc6-syzkaller-00898-g25cc469d6d34 #0 [ 70.315440][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 70.328160][ T5838] Call Trace: [ 70.332749][ T5838] [ 70.336883][ T5838] dump_stack_lvl+0x241/0x360 [ 70.341808][ T5838] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.352218][ T5838] ? __pfx__printk+0x10/0x10 [ 70.359285][ T5838] ? __kmalloc_cache_noprof+0x48/0x390 [ 70.371435][ T5838] ? __pfx___might_resched+0x10/0x10 [ 70.379884][ T5838] should_fail_ex+0x3b0/0x4e0 [ 70.385878][ T5838] should_failslab+0xac/0x100 [ 70.393660][ T5838] __kmalloc_cache_noprof+0x70/0x390 [ 70.401310][ T5838] ? virtio_transport_do_socket_init+0x57/0x300 [ 70.412247][ T5838] ? kfree+0x196/0x430 [ 70.419232][ T5838] virtio_transport_do_socket_init+0x57/0x300 [ 70.425881][ T5838] vsock_assign_transport+0x4b8/0x610 [ 70.433200][ T5838] vsock_connect+0x5cf/0xe30 [ 70.439559][ T5838] ? aa_sk_perm+0x96d/0xab0 [ 70.444445][ T5838] ? __pfx_vsock_connect+0x10/0x10 [ 70.454081][ T5838] ? __pfx_autoremove_wake_function+0x10/0x10 [ 70.462062][ T5838] ? __might_fault+0xc6/0x120 [ 70.472621][ T5838] __sys_connect+0x288/0x2d0 [ 70.480209][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 70.488503][ T5838] ? __pfx___sys_connect+0x10/0x10 [ 70.495503][ T5838] ? ptrace_notify+0x279/0x380 [ 70.501550][ T5838] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.510532][ T5838] ? do_syscall_64+0x100/0x230 [ 70.517342][ T5838] __x64_sys_connect+0x7a/0x90 [ 70.522397][ T5838] do_syscall_64+0xf3/0x230 [ 70.528645][ T5838] ? clear_bhb_loop+0x35/0x90 [ 70.534448][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.540908][ T5838] RIP: 0033:0x7fd0ed9bbe39 [ 70.546118][ T5838] 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 [ 70.576270][ T5838] RSP: 002b:00007fff28e3f6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 70.586058][ T5838] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd0ed9bbe39 [ 70.597934][ T5838] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000006 [ 70.606273][ T5838] RBP: 0000000000000001 R08: 00007fff28e3f497 R09: 0000000000000000 [ 70.619763][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [pid 5838] connect(6, {sa_family=AF_VSOCK, svm_cid=0x4d2, svm_port=0x2710, svm_flags=0}, 16) = -1 ENOMEM (Cannot allocate memory) [pid 5838] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_KERNEL} --- [pid 5838] getpid() = 3 [pid 5838] rt_sigreturn({mask=[]}) = -1 ENOMEM (Cannot allocate memory) [pid 5838] close(3) = 0 [ 70.637560][ T5838] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 70.653983][ T5838] [ 70.659407][ T974] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN PTI [ 70.680697][ T974] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 70.695100][ T974] CPU: 1 UID: 0 PID: 974 Comm: kworker/1:2 Not tainted 6.13.0-rc6-syzkaller-00898-g25cc469d6d34 #0 [ 70.707828][ T974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 70.720198][ T974] Workqueue: vsock-loopback vsock_loopback_work [ 70.730447][ T974] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 70.737785][ T974] 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 [ 70.766464][ T974] RSP: 0018:ffffc90003c17748 EFLAGS: 00010206 [ 70.773649][ T974] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff88802628bc00 [ 70.783112][ T974] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880332508c0 [ 70.792682][ T974] RBP: ffff8880332508c0 R08: ffff888033250927 R09: 1ffff1100664a124 [ 70.804053][ T974] R10: dffffc0000000000 R11: ffffed100664a125 R12: dffffc0000000000 [ 70.813163][ T974] R13: ffffffff8ffeb820 R14: ffff8880332508c0 R15: dffffc0000000000 [ 70.822198][ T974] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 70.833247][ T974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.841353][ T974] CR2: 00007fd0eda206e5 CR3: 0000000072754000 CR4: 00000000003526f0 [ 70.853906][ T974] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.865918][ T974] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.874819][ T974] Call Trace: [ 70.880513][ T974] [ 70.883805][ T974] ? __die_body+0x5f/0xb0 [ 70.888870][ T974] ? die_addr+0xb0/0xe0 [ 70.893488][ T974] ? exc_general_protection+0x3dd/0x5d0 [ 70.900581][ T974] ? asm_exc_general_protection+0x26/0x30 [ 70.910710][ T974] ? vsock_stream_has_data+0x46/0x70 [ 70.916219][ T974] ? vsock_stream_has_data+0x1b/0x70 [ 70.923308][ T974] virtio_transport_do_close+0x64/0x3d0 [ 70.931612][ T974] ? sock_def_write_space+0x2e2/0x420 [ 70.940722][ T974] ? sock_def_write_space+0x23/0x420 [ 70.947621][ T974] virtio_transport_recv_pkt+0x1755/0x2b10 [ 70.955565][ T974] ? __pfx_virtio_transport_recv_pkt+0x10/0x10 [ 70.962967][ T974] ? __pfx_lock_acquire+0x10/0x10 [ 70.970740][ T974] ? vsock_deliver_tap+0x21/0x1b0 [ 70.975961][ T974] ? __pfx_lock_release+0x10/0x10 [ 70.985062][ T974] ? __local_bh_enable_ip+0x168/0x200 [ 70.991505][ T974] ? __local_bh_enable_ip+0x168/0x200 [ 70.999187][ T974] ? vsock_deliver_tap+0x21/0x1b0 [ 71.007194][ T974] ? __pfx_virtio_transport_build_skb+0x10/0x10 [ 71.021042][ T974] vsock_loopback_work+0x3e9/0x530 [ 71.027222][ T974] ? __pfx_vsock_loopback_work+0x10/0x10 [ 71.038555][ T974] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.047758][ T974] ? process_scheduled_works+0x976/0x1840 [ 71.054028][ T974] process_scheduled_works+0xa66/0x1840 [ 71.062290][ T974] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.071815][ T974] ? assign_work+0x364/0x3d0 [ 71.078961][ T974] worker_thread+0x870/0xd30 [ 71.089059][ T974] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.099263][ T974] ? __kthread_parkme+0x169/0x1d0 [ 71.109812][ T974] ? __pfx_worker_thread+0x10/0x10 [ 71.123965][ T974] kthread+0x2f0/0x390 [ 71.128711][ T974] ? __pfx_worker_thread+0x10/0x10 [ 71.140154][ T974] ? __pfx_kthread+0x10/0x10 [ 71.149358][ T974] ret_from_fork+0x4b/0x80 [ 71.156718][ T974] ? __pfx_kthread+0x10/0x10 [ 71.169752][ T974] ret_from_fork_asm+0x1a/0x30 [ 71.181707][ T974] [ 71.184823][ T974] Modules linked in: [ 71.190561][ T974] ---[ end trace 0000000000000000 ]--- [pid 5838] close(4) = 0 [pid 5838] close(5) = 0 [ 71.203225][ T974] RIP: 0010:vsock_stream_has_data+0x46/0x70 [ 71.211022][ T974] 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 [ 71.243144][ T974] RSP: 0018:ffffc90003c17748 EFLAGS: 00010206 [ 71.250441][ T974] RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff88802628bc00 [ 71.264069][ T974] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880332508c0 [ 71.277016][ T974] RBP: ffff8880332508c0 R08: ffff888033250927 R09: 1ffff1100664a124 [ 71.290794][ T974] R10: dffffc0000000000 R11: ffffed100664a125 R12: dffffc0000000000 [ 71.306228][ T974] R13: ffffffff8ffeb820 R14: ffff8880332508c0 R15: dffffc0000000000 [ 71.315195][ T974] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 71.332733][ T974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.343825][ T974] CR2: 00007fd0eda206e5 CR3: 00000000765ce000 CR4: 00000000003526f0 [ 71.354121][ T974] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.366165][ T974] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.375382][ T974] Kernel panic - not syncing: Fatal exception [ 71.383588][ T974] Kernel Offset: disabled [ 71.389858][ T974] Rebooting in 86400 seconds..