./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor510569066 <...> Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. execve("./syz-executor510569066", ["./syz-executor510569066"], 0x7fff7d233d70 /* 10 vars */) = 0 brk(NULL) = 0x55558ff0c000 brk(0x55558ff0cd40) = 0x55558ff0cd40 arch_prctl(ARCH_SET_FS, 0x55558ff0c3c0) = 0 set_tid_address(0x55558ff0c690) = 290 set_robust_list(0x55558ff0c6a0, 24) = 0 rseq(0x55558ff0cce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor510569066", 4096) = 27 getrandom("\xd1\xbe\xfc\x22\xa7\x9a\xb2\x23", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558ff0cd40 brk(0x55558ff2dd40) = 0x55558ff2dd40 brk(0x55558ff2e000) = 0x55558ff2e000 mprotect(0x7f6f2087b000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558ff0c690) = 291 ./strace-static-x86_64: Process 291 attached [pid 291] set_robust_list(0x55558ff0c6a0, 24) = 0 [pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 291] getppid() = 0 [pid 291] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 291] dup2(3, 201) = 201 [pid 291] close(3) = 0 [pid 291] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 291] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 291] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 291] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 291] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 291] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 291] unshare(CLONE_NEWNS) = 0 [pid 291] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 291] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 291] unshare(CLONE_NEWCGROUP) = 0 [pid 291] unshare(CLONE_NEWUTS) = 0 [pid 291] unshare(CLONE_SYSVSEM) = 0 [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 291] getpid() = 1 [pid 291] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x7f6f207b79a0, 24) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 24.576871][ T28] audit: type=1400 audit(1749301183.993:66): avc: denied { open } for pid=291 comm="syz-executor510" path="net:[4026531840]" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 24.579826][ T291] request_module fs-gadgetfs succeeded, but still no fs? [ 24.601557][ T28] audit: type=1400 audit(1749301183.993:67): avc: denied { mounton } for pid=291 comm="syz-executor510" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 293] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR [pid 292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 292] futex(0x7f6f208813fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6f20776000 [pid 292] mprotect(0x7f6f20777000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6f20796990, parent_tid=0x7f6f20796990, exit_signal=0, stack=0x7f6f20776000, stack_size=0x20300, tls=0x7f6f207966c0} => {parent_tid=[4]}, 88) = 4 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f6f208813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6f208813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x7f6f207969a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] ioctl(-1, TIOCSETD, [15]) = -1 EBADF (Bad file descriptor) [pid 297] futex(0x7f6f208813fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] futex(0x7f6f208813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6f208813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] ioctl(-1, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0x40000000004) = -1 EBADF (Bad file descriptor) [pid 297] futex(0x7f6f208813fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] futex(0x7f6f208813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6f208813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 297] setns(201, 0) = 0 [pid 297] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 297] setns(4, 0) = 0 [pid 297] close(4) = 0 [pid 297] futex(0x7f6f208813fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] futex(0x7f6f208813f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f6f208813fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] ioctl(5, HCISETLINKPOL, 0x200000000580) = -1 ENODEV (No such device) [pid 297] futex(0x7f6f208813fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 297] <... futex resumed>) = 1 [ 24.629268][ T28] audit: type=1400 audit(1749301184.023:68): avc: denied { mounton } for pid=291 comm="syz-executor510" path="/root/syz-tmp" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.629302][ T28] audit: type=1400 audit(1749301184.023:69): avc: denied { mount } for pid=291 comm="syz-executor510" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 24.629328][ T28] audit: type=1400 audit(1749301184.023:70): avc: denied { mounton } for pid=291 comm="syz-executor510" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 24.629676][ T28] audit: type=1400 audit(1749301184.023:71): avc: denied { mount } for pid=291 comm="syz-executor510" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [pid 297] futex(0x7f6f208813f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... openat resumed>) = 3 [pid 293] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 293] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 292] close(3) = 0 [pid 292] close(4) = -1 EBADF (Bad file descriptor) [pid 292] close(5) = 0 [pid 292] close(6) = -1 EBADF (Bad file descriptor) [pid 292] close(7) = -1 EBADF (Bad file descriptor) [pid 292] close(8) = -1 EBADF (Bad file descriptor) [pid 292] close(9) = -1 EBADF (Bad file descriptor) [pid 292] close(10) = -1 EBADF (Bad file descriptor) [pid 292] close(11) = -1 EBADF (Bad file descriptor) [pid 292] close(12) = -1 EBADF (Bad file descriptor) [pid 292] close(13) = -1 EBADF (Bad file descriptor) [pid 292] close(14) = -1 EBADF (Bad file descriptor) [pid 292] close(15) = -1 EBADF (Bad file descriptor) [pid 292] close(16) = -1 EBADF (Bad file descriptor) [pid 292] close(17) = -1 EBADF (Bad file descriptor) [pid 292] close(18) = -1 EBADF (Bad file descriptor) [pid 292] close(19) = -1 EBADF (Bad file descriptor) [pid 292] close(20) = -1 EBADF (Bad file descriptor) [pid 292] close(21) = -1 EBADF (Bad file descriptor) [pid 292] close(22) = -1 EBADF (Bad file descriptor) [pid 292] close(23) = -1 EBADF (Bad file descriptor) [pid 292] close(24) = -1 EBADF (Bad file descriptor) [pid 292] close(25) = -1 EBADF (Bad file descriptor) [pid 292] close(26) = -1 EBADF (Bad file descriptor) [pid 292] close(27) = -1 EBADF (Bad file descriptor) [pid 292] close(28) = -1 EBADF (Bad file descriptor) [pid 292] close(29) = -1 EBADF (Bad file descriptor) [pid 292] exit_group(0 [pid 297] <... futex resumed>) = ? [pid 292] <... exit_group resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 293] <... futex resumed>) = ? [pid 293] +++ exited with 0 +++ [pid 292] +++ exited with 0 +++ [pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 291] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558ff0c690) = 5 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55558ff0c6a0, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 [pid 298] write(1, "executing program\n", 18executing program ) = 18 [pid 298] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] rt_sigaction(SIGRT_1, {sa_handler=0x7f6f2081cd60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6f2080e3e0}, NULL, 8) = 0 [pid 298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6f20797000 [pid 298] mprotect(0x7f6f20798000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6f207b7990, parent_tid=0x7f6f207b7990, exit_signal=0, stack=0x7f6f20797000, stack_size=0x20300, tls=0x7f6f207b76c0}./strace-static-x86_64: Process 299 attached => {parent_tid=[6]}, 88) = 6 [pid 299] set_robust_list(0x7f6f207b79a0, 24) = 0 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR [pid 298] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... openat resumed>) = 3 [pid 299] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 299] ioctl(3, TIOCSETD, [15] [pid 298] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... ioctl resumed>) = 0 [pid 299] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0x40000000004) = 0 [pid 299] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 299] setns(201, 0) = 0 [pid 299] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 299] setns(4, 0) = 0 [pid 299] close(4) = 0 [pid 299] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 24.629702][ T28] audit: type=1400 audit(1749301184.023:72): avc: denied { mounton } for pid=291 comm="syz-executor510" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 24.629729][ T28] audit: type=1400 audit(1749301184.023:73): avc: denied { mounton } for pid=291 comm="syz-executor510" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=8967 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [pid 299] ioctl(5, HCISETLINKPOL [pid 298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] close(3 [pid 299] <... ioctl resumed>, 0x200000000580) = -1 ETIMEDOUT (Connection timed out) [pid 299] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... close resumed>) = 0 [pid 299] <... futex resumed>) = 0 [pid 298] close(4 [pid 299] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 298] close(5) = 0 [pid 298] close(6) = -1 EBADF (Bad file descriptor) [pid 298] close(7) = -1 EBADF (Bad file descriptor) [pid 298] close(8) = -1 EBADF (Bad file descriptor) [pid 298] close(9) = -1 EBADF (Bad file descriptor) [pid 298] close(10) = -1 EBADF (Bad file descriptor) [pid 298] close(11) = -1 EBADF (Bad file descriptor) [pid 298] close(12) = -1 EBADF (Bad file descriptor) [pid 298] close(13) = -1 EBADF (Bad file descriptor) [pid 298] close(14) = -1 EBADF (Bad file descriptor) [pid 298] close(15) = -1 EBADF (Bad file descriptor) [pid 298] close(16) = -1 EBADF (Bad file descriptor) [pid 298] close(17) = -1 EBADF (Bad file descriptor) [pid 298] close(18) = -1 EBADF (Bad file descriptor) [pid 298] close(19) = -1 EBADF (Bad file descriptor) [pid 298] close(20) = -1 EBADF (Bad file descriptor) [pid 298] close(21) = -1 EBADF (Bad file descriptor) [pid 298] close(22) = -1 EBADF (Bad file descriptor) [pid 298] close(23) = -1 EBADF (Bad file descriptor) [pid 298] close(24) = -1 EBADF (Bad file descriptor) [pid 298] close(25) = -1 EBADF (Bad file descriptor) [pid 298] close(26) = -1 EBADF (Bad file descriptor) [pid 298] close(27) = -1 EBADF (Bad file descriptor) [pid 298] close(28) = -1 EBADF (Bad file descriptor) [pid 298] close(29) = -1 EBADF (Bad file descriptor) [pid 298] exit_group(0 [pid 299] <... futex resumed>) = ? [pid 298] <... exit_group resumed>) = ? [pid 299] +++ exited with 0 +++ [pid 298] +++ exited with 0 +++ [pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 291] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 302 attached , child_tidptr=0x55558ff0c690) = 7 [pid 302] set_robust_list(0x55558ff0c6a0, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 executing program [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] rt_sigaction(SIGRT_1, {sa_handler=0x7f6f2081cd60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6f2080e3e0}, NULL, 8) = 0 [pid 302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6f20797000 [pid 302] mprotect(0x7f6f20798000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6f207b7990, parent_tid=0x7f6f207b7990, exit_signal=0, stack=0x7f6f20797000, stack_size=0x20300, tls=0x7f6f207b76c0} => {parent_tid=[8]}, 88) = 8 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x7f6f207b79a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 303] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 303] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] ioctl(3, TIOCSETD, [15]) = 0 [pid 303] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0x40000000004) = 0 [pid 303] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 303] setns(201, 0) = 0 [pid 303] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 303] setns(4, 0) = 0 [pid 303] close(4) = 0 [pid 303] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [ 26.859643][ T299] Bluetooth: hci0: Opcode 0x080f failed: -110 [pid 303] ioctl(5, HCISETLINKPOL [pid 302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 302] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 302] close(3) = 0 [pid 303] <... ioctl resumed>, 0x200000000580) = -1 EINVAL (Invalid argument) [pid 302] close(4 [pid 303] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... futex resumed>) = 0 [pid 302] close(5 [pid 303] futex(0x7f6f208813e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... close resumed>) = 0 [pid 302] close(6) = -1 EBADF (Bad file descriptor) [pid 302] close(7) = -1 EBADF (Bad file descriptor) [pid 302] close(8) = -1 EBADF (Bad file descriptor) [pid 302] close(9) = -1 EBADF (Bad file descriptor) [pid 302] close(10) = -1 EBADF (Bad file descriptor) [pid 302] close(11) = -1 EBADF (Bad file descriptor) [pid 302] close(12) = -1 EBADF (Bad file descriptor) [pid 302] close(13) = -1 EBADF (Bad file descriptor) [pid 302] close(14) = -1 EBADF (Bad file descriptor) [pid 302] close(15) = -1 EBADF (Bad file descriptor) [pid 302] close(16) = -1 EBADF (Bad file descriptor) [pid 302] close(17) = -1 EBADF (Bad file descriptor) [pid 302] close(18) = -1 EBADF (Bad file descriptor) [pid 302] close(19) = -1 EBADF (Bad file descriptor) [pid 302] close(20) = -1 EBADF (Bad file descriptor) [pid 302] close(21) = -1 EBADF (Bad file descriptor) [pid 302] close(22) = -1 EBADF (Bad file descriptor) [pid 302] close(23) = -1 EBADF (Bad file descriptor) [pid 302] close(24) = -1 EBADF (Bad file descriptor) [pid 302] close(25) = -1 EBADF (Bad file descriptor) [pid 302] close(26) = -1 EBADF (Bad file descriptor) [pid 302] close(27) = -1 EBADF (Bad file descriptor) [pid 302] close(28) = -1 EBADF (Bad file descriptor) [pid 302] close(29) = -1 EBADF (Bad file descriptor) [pid 302] exit_group(0 [pid 303] <... futex resumed>) = ? [pid 302] <... exit_group resumed>) = ? [pid 303] +++ exited with 0 +++ [pid 302] +++ exited with 0 +++ [pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 291] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558ff0c690) = 9 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x55558ff0c6a0, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] write(1, "executing program\n", 18executing program ) = 18 [pid 304] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] rt_sigaction(SIGRT_1, {sa_handler=0x7f6f2081cd60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6f2080e3e0}, NULL, 8) = 0 [pid 304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6f20797000 [pid 304] mprotect(0x7f6f20798000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6f207b7990, parent_tid=0x7f6f207b7990, exit_signal=0, stack=0x7f6f20797000, stack_size=0x20300, tls=0x7f6f207b76c0} => {parent_tid=[10]}, 88) = 10 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x7f6f207b79a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] openat(AT_FDCWD, "/dev/char/4:21", O_RDWR) = 3 [pid 305] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] ioctl(3, TIOCSETD, [15]) = 0 [pid 305] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [ 28.939659][ T301] Bluetooth: hci0: command 0x1003 tx timeout [ 28.939659][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 28.952173][ T303] Bluetooth: hci0: Opcode 0x080f failed: -22 [ 28.975880][ T45] ================================================================== [pid 305] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0x40000000004) = 0 [pid 305] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 305] setns(201, 0) = 0 [pid 305] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 305] setns(4, 0) = 0 [pid 305] close(4) = 0 [pid 305] futex(0x7f6f208813ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6f208813e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6f208813ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] ioctl(5, HCISETLINKPOL [pid 304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 28.983997][ T45] BUG: KASAN: use-after-free in enqueue_timer+0xae/0x480 [ 28.991074][ T45] Write of size 8 at addr ffff88810e7a4a00 by task kworker/u5:0/45 [ 28.998993][ T45] [ 28.999021][ T45] CPU: 1 PID: 45 Comm: kworker/u5:0 Not tainted 6.1.138-syzkaller-00056-g7af56ffc913d #0 [ 28.999039][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.999049][ T45] Workqueue: hci0 hci_power_on [ 28.999077][ T45] Call Trace: [ 28.999082][ T45] [ 28.999088][ T45] __dump_stack+0x21/0x24 [ 28.999110][ T45] dump_stack_lvl+0xee/0x150 [ 28.999129][ T45] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.999149][ T45] ? select_task_rq_fair+0x56f/0x3490 [ 28.999163][ T45] ? enqueue_timer+0xae/0x480 [ 28.999181][ T45] print_address_description+0x71/0x210 [ 28.999200][ T45] print_report+0x4a/0x60 [ 28.999216][ T45] kasan_report+0x122/0x150 [ 28.999232][ T45] ? enqueue_timer+0xae/0x480 [ 28.999249][ T45] ? try_to_wake_up+0x613/0x1220 [ 28.999267][ T45] __asan_report_store8_noabort+0x17/0x20 [ 28.999287][ T45] enqueue_timer+0xae/0x480 [ 28.999305][ T45] __mod_timer+0x79f/0xb30 [ 28.999321][ T45] schedule_timeout+0x127/0x2e0 [ 28.999339][ T45] ? __cfi_schedule_timeout+0x10/0x10 [ 28.999354][ T45] ? queue_work_on+0xf8/0x140 [ 28.999371][ T45] ? __cfi_process_timeout+0x10/0x10 [ 28.999388][ T45] ? prepare_to_wait_event+0x40b/0x440 [ 28.999410][ T45] __hci_cmd_sync_sk+0x396/0xcf0 [ 28.999433][ T45] ? __cfi___hci_cmd_sync_sk+0x10/0x10 [ 28.999455][ T45] ? __cfi_autoremove_wake_function+0x10/0x10 [ 28.999475][ T45] ? __kasan_check_read+0x11/0x20 [ 28.999495][ T45] ? kvm_sched_clock_read+0x18/0x40 [ 28.999530][ T45] hci_dev_open_sync+0x13a7/0x3260 [ 28.999548][ T45] ? xfd_validate_state+0x70/0x150 [ 28.999567][ T45] ? save_fpregs_to_fpstate+0x192/0x220 [ 28.999582][ T45] ? __cfi_hci_dev_open_sync+0x10/0x10 [ 28.999599][ T45] ? __kasan_check_write+0x14/0x20 [ 28.999620][ T45] ? __switch_to+0x51f/0xe30 [ 28.999636][ T45] ? psi_group_change+0xb73/0x12b0 [ 28.999651][ T45] ? __kasan_check_write+0x14/0x20 [ 28.999672][ T45] ? mutex_lock+0x8d/0x1a0 [ 28.999683][ T45] ? __cfi_mutex_lock+0x10/0x10 [ 28.999695][ T45] ? kthread_data+0x50/0xc0 [ 28.999718][ T45] ? _raw_spin_unlock+0x4c/0x70 [ 28.999737][ T45] hci_power_on+0x195/0x5c0 [ 28.999750][ T45] ? __cfi_hci_power_on+0x10/0x10 [ 28.999764][ T45] ? __schedule+0xb8f/0x14e0 [ 28.999794][ T45] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.999815][ T45] process_one_work+0x71f/0xc40 [ 28.999831][ T45] worker_thread+0xa29/0x11f0 [ 28.999848][ T45] kthread+0x281/0x320 [ 28.999862][ T45] ? __cfi_worker_thread+0x10/0x10 [ 28.999874][ T45] ? __cfi_kthread+0x10/0x10 [ 28.999889][ T45] ret_from_fork+0x1f/0x30 [ 28.999908][ T45] [ 28.999913][ T45] [ 28.999920][ T45] Allocated by task 303: [ 28.999927][ T45] kasan_set_track+0x4b/0x70 [ 28.999940][ T45] kasan_save_alloc_info+0x25/0x30 [ 28.999958][ T45] __kasan_kmalloc+0x95/0xb0 [ 28.999971][ T45] __kmalloc+0xb1/0x1e0 [ 28.999990][ T45] hci_alloc_dev_priv+0x27/0x1bd0 [ 29.000001][ T45] hci_uart_tty_ioctl+0x3d6/0xa20 [ 29.000016][ T45] tty_ioctl+0x8ef/0xc60 [ 29.000028][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 29.000048][ T45] __x64_sys_ioctl+0x7b/0x90 [ 29.000068][ T45] x64_sys_call+0x58b/0x9a0 [ 29.000083][ T45] do_syscall_64+0x4c/0xa0 [ 29.000101][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.000123][ T45] [ 29.000125][ T45] Freed by task 303: [ 29.000131][ T45] kasan_set_track+0x4b/0x70 [ 29.000143][ T45] kasan_save_free_info+0x31/0x50 [ 29.000161][ T45] ____kasan_slab_free+0x132/0x180 [ 29.000175][ T45] __kasan_slab_free+0x11/0x20 [ 29.000188][ T45] slab_free_freelist_hook+0xc2/0x190 [ 29.000213][ T45] __kmem_cache_free+0xb7/0x1b0 [ 29.000228][ T45] kfree+0x6f/0xf0 [ 29.000246][ T45] hci_release_dev+0x13ad/0x1500 [ 29.000264][ T45] bt_host_release+0x82/0x90 [ 29.000278][ T45] device_release+0xa4/0x1d0 [ 29.000290][ T45] kobject_put+0x19d/0x280 [ 29.000302][ T45] put_device+0x1f/0x30 [ 29.000315][ T45] hci_dev_cmd+0x265/0x720 [ 29.000332][ T45] hci_sock_ioctl+0x41e/0x7f0 [ 29.000344][ T45] sock_do_ioctl+0x101/0x310 [ 29.000359][ T45] sock_ioctl+0x4d8/0x6e0 [ 29.000372][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 29.000392][ T45] __x64_sys_ioctl+0x7b/0x90 [ 29.000411][ T45] x64_sys_call+0x58b/0x9a0 [ 29.000427][ T45] do_syscall_64+0x4c/0xa0 [ 29.000445][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.000466][ T45] [ 29.000469][ T45] Last potentially related work creation: [ 29.000474][ T45] kasan_save_stack+0x3a/0x60 [ 29.000486][ T45] __kasan_record_aux_stack+0xb6/0xc0 [ 29.000509][ T45] kasan_record_aux_stack_noalloc+0xb/0x10 [ 29.000527][ T45] insert_work+0x51/0x300 [ 29.000554][ T45] __queue_work+0x9b1/0xd30 [ 29.000569][ T45] queue_work_on+0xd2/0x140 [ 29.000585][ T45] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 29.000605][ T45] hci_cmd_sync_status+0x53/0x120 [ 29.000617][ T45] hci_dev_cmd+0x628/0x720 [ 29.000633][ T45] hci_sock_ioctl+0x41e/0x7f0 [ 29.000645][ T45] sock_do_ioctl+0x101/0x310 [ 29.000659][ T45] sock_ioctl+0x4d8/0x6e0 [ 29.000673][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 29.000692][ T45] __x64_sys_ioctl+0x7b/0x90 [ 29.000711][ T45] x64_sys_call+0x58b/0x9a0 [ 29.000727][ T45] do_syscall_64+0x4c/0xa0 [ 29.000745][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.000767][ T45] [ 29.000769][ T45] Second to last potentially related work creation: [ 29.000773][ T45] kasan_save_stack+0x3a/0x60 [ 29.000785][ T45] __kasan_record_aux_stack+0xb6/0xc0 [ 29.000803][ T45] kasan_record_aux_stack_noalloc+0xb/0x10 [ 29.000822][ T45] insert_work+0x51/0x300 [ 29.000841][ T45] __queue_work+0x9b1/0xd30 [ 29.000856][ T45] queue_work_on+0xd2/0x140 [ 29.000872][ T45] hci_cmd_timeout+0x191/0x200 [ 29.000884][ T45] process_one_work+0x71f/0xc40 [ 29.000895][ T45] worker_thread+0xa29/0x11f0 [ 29.000906][ T45] kthread+0x281/0x320 [ 29.000919][ T45] ret_from_fork+0x1f/0x30 [ 29.000934][ T45] [ 29.000937][ T45] The buggy address belongs to the object at ffff88810e7a4000 [ 29.000937][ T45] which belongs to the cache kmalloc-8k of size 8192 [ 29.000948][ T45] The buggy address is located 2560 bytes inside of [ 29.000948][ T45] 8192-byte region [ffff88810e7a4000, ffff88810e7a6000) [ 29.000961][ T45] [ 29.000964][ T45] The buggy address belongs to the physical page: [ 29.000970][ T45] page:ffffea000439e800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e7a0 [ 29.000992][ T45] head:ffffea000439e800 order:3 compound_mapcount:0 compound_pincount:0 [ 29.001003][ T45] flags: 0x4000000000010200(slab|head|zone=1) [ 29.001025][ T45] raw: 4000000000010200 ffffea000439e200 dead000000000005 ffff888100043500 [ 29.001038][ T45] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 29.001045][ T45] page dumped because: kasan: bad access detected [ 29.001054][ T45] page_owner tracks the page as allocated [ 29.001058][ T45] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3951279615, free_ts 0 [ 29.001082][ T45] post_alloc_hook+0x1f5/0x210 [ 29.001097][ T45] prep_new_page+0x1c/0x110 [ 29.001113][ T45] get_page_from_freelist+0x2c6e/0x2ce0 [ 29.001129][ T45] __alloc_pages+0x19e/0x3a0 [ 29.001145][ T45] alloc_slab_page+0x6e/0xf0 [ 29.001163][ T45] new_slab+0x98/0x3d0 [ 29.001180][ T45] ___slab_alloc+0x6f6/0xb50 [ 29.001194][ T45] __slab_alloc+0x5e/0xa0 [ 29.001211][ T45] __kmem_cache_alloc_node+0x203/0x2c0 [ 29.001226][ T45] __kmalloc_node+0xa1/0x1e0 [ 29.001244][ T45] kvmalloc_node+0x294/0x480 [ 29.001263][ T45] btf_check_all_metas+0x4de/0xaa0 [ 29.001278][ T45] btf_parse_vmlinux+0x437/0x940 [ 29.001293][ T45] bpf_get_btf_vmlinux+0x41/0x60 [ 29.001309][ T45] btf_get_module_btf+0x85/0x200 [ 29.001326][ T45] register_btf_kfunc_id_set+0x44/0x600 [ 29.001344][ T45] page_owner free stack trace missing [ 29.001348][ T45] [ 29.001350][ T45] Memory state around the buggy address: [ 29.001357][ T45] ffff88810e7a4900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.001366][ T45] ffff88810e7a4980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.001375][ T45] >ffff88810e7a4a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.001382][ T45] ^ [ 29.001388][ T45] ffff88810e7a4a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.001397][ T45] ffff88810e7a4b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.001404][ T45] ================================================================== [ 29.001409][ T45] Disabling lock debugging due to kernel taint [ 31.019667][ C1] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 31.019689][ T300] Bluetooth: hci0: command 0x1003 tx timeout [ 31.019734][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 31.031434][ C1] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 31.031452][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 6.1.138-syzkaller-00056-g7af56ffc913d #0 [ 31.031473][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.031486][ C1] RIP: 0010:__queue_work+0x575/0xd30 [ 31.078154][ C1] Code: 39 2b 0f 84 b9 00 00 00 e8 f8 d2 28 00 4c 89 ff e8 70 c6 a8 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 dc 29 6d 00 49 8b 7d 00 e8 53 c2 [ 31.097767][ C1] RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046 [ 31.103854][ C1] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff8881003b1440 [ 31.111828][ C1] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 31.119806][ C1] RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007 [ 31.127796][ C1] R10: ffffed1021cf4939 R11: 1ffff11021cf4939 R12: dffffc0000000000 [ 31.135781][ C1] R13: 0000000000000000 R14: ffff88810e7a49c8 R15: 0000000000000008 [ 31.143758][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 31.152695][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.159285][ C1] CR2: 00007f6f20832ad0 CR3: 0000000124d40000 CR4: 00000000003506a0 [ 31.167267][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.175245][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.183227][ C1] Call Trace: [ 31.186541][ C1] [ 31.189403][ C1] delayed_work_timer_fn+0x61/0x80 [ 31.194532][ C1] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 31.200346][ C1] call_timer_fn+0x46/0x2a0 [ 31.204869][ C1] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 31.210686][ C1] __run_timers+0x667/0x9a0 [ 31.215200][ C1] ? calc_index+0x200/0x200 [ 31.219712][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 31.224924][ C1] run_timer_softirq+0x6a/0xf0 [ 31.229778][ C1] handle_softirqs+0x1d7/0x600 [ 31.234549][ C1] ? irqtime_account_irq+0xc4/0x240 [ 31.239753][ C1] __irq_exit_rcu+0x52/0xf0 [ 31.244259][ C1] irq_exit_rcu+0x9/0x10 [ 31.248516][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 31.254180][ C1] [ 31.257121][ C1] [ 31.260054][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 31.266040][ C1] RIP: 0010:default_idle+0xf/0x20 [ 31.271074][ C1] Code: e9 47 ff ff ff 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 23 79 56 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 [ 31.290683][ C1] RSP: 0018:ffffc90000147dd8 EFLAGS: 00000257 [ 31.296757][ C1] RAX: ffff8881f7100000 RBX: ffff8881003b1440 RCX: 0a0adaeab3a53300 [ 31.304736][ C1] RDX: 0000000000000001 RSI: ffffffff85a9f680 RDI: ffffffff85a9f640 [ 31.312715][ C1] RBP: ffffc90000147dd8 R08: dffffc0000000000 R09: ffffed103ee26917 [ 31.320689][ C1] R10: 0000000000000000 R11: ffffffff84efba50 R12: 0000000000000000 [ 31.328662][ C1] R13: 0000000000000000 R14: ffff8881003b1440 R15: dffffc0000000000 [ 31.336639][ C1] ? __cfi_default_idle+0x10/0x10 [ 31.341679][ C1] arch_cpu_idle+0x1c/0x20 [ 31.346099][ C1] default_idle_call+0x71/0x1d0 [ 31.350959][ C1] do_idle+0x1a7/0x520 [ 31.355031][ C1] ? try_to_wake_up+0x613/0x1220 [ 31.359977][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 31.365183][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 31.370995][ C1] ? complete+0x167/0x1c0 [ 31.375331][ C1] cpu_startup_entry+0x43/0x60 [ 31.380101][ C1] start_secondary+0x119/0x120 [ 31.384888][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 31.390789][ C1] [ 31.393804][ C1] Modules linked in: [ 31.397714][ C1] ---[ end trace 0000000000000000 ]--- [ 31.403168][ C1] RIP: 0010:__queue_work+0x575/0xd30 [ 31.408462][ C1] Code: 39 2b 0f 84 b9 00 00 00 e8 f8 d2 28 00 4c 89 ff e8 70 c6 a8 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 dc 29 6d 00 49 8b 7d 00 e8 53 c2 [ 31.428068][ C1] RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046 [ 31.434143][ C1] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff8881003b1440 [ 31.442120][ C1] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 31.450102][ C1] RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007 [ 31.458078][ C1] R10: ffffed1021cf4939 R11: 1ffff11021cf4939 R12: dffffc0000000000 [ 31.466054][ C1] R13: 0000000000000000 R14: ffff88810e7a49c8 R15: 0000000000000008 [ 31.474119][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 31.483049][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.489634][ C1] CR2: 00007f6f20832ad0 CR3: 0000000124d40000 CR4: 00000000003506a0 [ 31.497610][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.505672][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.513650][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 31.521092][ C1] Kernel Offset: disabled [ 31.525414][ C1] Rebooting in 86400 seconds..