ci-upstream-net-this-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-this-kasan-gce/syz-executor1337110806 <...> Warning: Permanently added '10.128.1.59' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor1337110806", ["ci-upstream-net-this-kasan-gce/syz-executor1337110806"], 0x7ffe8bc5c870 /* 10 vars */) = 0 brk(NULL) = 0x555578931000 brk(0x555578931d80) = 0x555578931d80 arch_prctl(ARCH_SET_FS, 0x555578931400) = 0 set_tid_address(0x5555789316d0) = 5653 set_robust_list(0x5555789316e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-net-this-kasan-gce/syz-executor1337110806", 4096) = 59 getrandom("\x8c\x90\x17\x8f\xed\x29\x64\xcb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555578931d80 brk(0x555578952d80) = 0x555578952d80 brk(0x555578953000) = 0x555578953000 mprotect(0x7f9b1d21b000, 20480, 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 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555789316d0) = 5654 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5654 attached [pid 5654] set_robust_list(0x5555789316e0, 24) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5654] setpgid(0, 0) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 executing program [pid 5654] write(1, "executing program\n", 18) = 18 [pid 5654] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5654] ioctl(3, SIOCADDRT, 0x200000000140) = 0 [pid 5654] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5654] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5654, SIGKILL [pid 5654] <... connect resumed>) = ? [pid 5653] <... kill resumed>) = 0 [pid 5653] kill(5654, SIGKILL) = 0 [pid 5654] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5654, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555789316d0) = 5658 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5658 attached [pid 5658] set_robust_list(0x5555789316e0, 24) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5658] setpgid(0, 0) = 0 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5658] write(3, "1000", 4) = 4 [pid 5658] close(3) = 0 [pid 5658] write(1, "executing program\n", 18) = 18 executing program [pid 5658] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5658] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5658] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5658] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5658, SIGKILL) = 0 [pid 5653] kill(5658, SIGKILL [pid 5658] <... connect resumed>) = ? [pid 5653] <... kill resumed>) = 0 [pid 5658] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5658, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5659 attached , child_tidptr=0x5555789316d0) = 5659 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] set_robust_list(0x5555789316e0, 24 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5659] setpgid(0, 0) = 0 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5659] write(3, "1000", 4) = 4 [pid 5659] close(3) = 0 executing program [pid 5659] write(1, "executing program\n", 18) = 18 [pid 5659] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5659] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5659] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5659] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5659, SIGKILL [pid 5659] <... connect resumed>) = ? [pid 5653] <... kill resumed>) = 0 [pid 5653] kill(5659, SIGKILL) = 0 [pid 5659] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5659, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5660 attached [pid 5660] set_robust_list(0x5555789316e0, 24 [pid 5653] <... clone resumed>, child_tidptr=0x5555789316d0) = 5660 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5660] setpgid(0, 0) = 0 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5660] write(3, "1000", 4) = 4 [pid 5660] close(3) = 0 executing program [pid 5660] write(1, "executing program\n", 18) = 18 [pid 5660] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5660] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5660] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5660] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5660, SIGKILL) = 0 [pid 5660] <... connect resumed>) = ? [pid 5653] kill(5660, SIGKILL) = 0 [pid 5660] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5660, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5661 attached , child_tidptr=0x5555789316d0) = 5661 [pid 5661] set_robust_list(0x5555789316e0, 24) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5661] setpgid(0, 0) = 0 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5661] write(3, "1000", 4) = 4 [pid 5661] close(3) = 0 [pid 5661] write(1, "executing program\n", 18) = 18 [pid 5661] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 executing program [pid 5661] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5661] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5661] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5661, SIGKILL) = 0 [pid 5661] <... connect resumed>) = ? [pid 5653] kill(5661, SIGKILL) = 0 [pid 5661] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5661, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555789316d0) = 5662 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5662 attached [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] set_robust_list(0x5555789316e0, 24) = 0 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5662] setpgid(0, 0) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5662] write(3, "1000", 4) = 4 executing program [pid 5662] close(3) = 0 [pid 5662] write(1, "executing program\n", 18) = 18 [pid 5662] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5662] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5662] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5662] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5662, SIGKILL) = 0 [pid 5662] <... connect resumed>) = ? [pid 5653] kill(5662, SIGKILL) = 0 [pid 5662] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5662, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5663 attached , child_tidptr=0x5555789316d0) = 5663 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5663] set_robust_list(0x5555789316e0, 24) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5663] setpgid(0, 0) = 0 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5663] write(3, "1000", 4) = 4 [pid 5663] close(3) = 0 [pid 5663] write(1, "executing program\n", 18) = 18 executing program [pid 5663] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5663] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5663] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5663] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5663, SIGKILL) = 0 [pid 5663] <... connect resumed>) = ? [pid 5653] kill(5663, SIGKILL) = 0 [pid 5663] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5663, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5664 attached , child_tidptr=0x5555789316d0) = 5664 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] set_robust_list(0x5555789316e0, 24) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5664] setpgid(0, 0) = 0 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5664] write(3, "1000", 4) = 4 [pid 5664] close(3) = 0 executing program [pid 5664] write(1, "executing program\n", 18) = 18 [pid 5664] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5664] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5664] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [pid 5664] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5664, SIGKILL) = 0 [pid 5664] <... connect resumed>) = ? [pid 5653] kill(5664, SIGKILL) = 0 [pid 5664] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5664, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5665 attached , child_tidptr=0x5555789316d0) = 5665 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] set_robust_list(0x5555789316e0, 24 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5665] setpgid(0, 0) = 0 [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5665] write(3, "1000", 4) = 4 [pid 5665] close(3) = 0 [pid 5665] write(1, "executing program\n", 18) = 18 executing program [pid 5665] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5665] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5665] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [ 161.760424][ C0] [ 161.762844][ C0] ================================ [ 161.767978][ C0] WARNING: inconsistent lock state [ 161.773088][ C0] syzkaller #0 Not tainted [ 161.777493][ C0] -------------------------------- [ 161.782592][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 161.789431][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 161.795415][ C0] ffff88807ef06260 (sk_lock-AF_X25){+.?.}-{0:0}, at: x25_kill_by_neigh+0x10d/0x250 [ 161.804757][ C0] {SOFTIRQ-ON-W} state was registered at: [ 161.810462][ C0] lock_acquire+0x115/0x350 [ 161.815052][ C0] lock_sock_nested+0x41/0x100 [ 161.819916][ C0] x25_bind+0x209/0x450 [ 161.824158][ C0] __sys_bind+0x2e3/0x410 [ 161.828604][ C0] __x64_sys_bind+0x7a/0x90 [ 161.833196][ C0] do_syscall_64+0x166/0x520 [ 161.837906][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.843914][ C0] irq event stamp: 1003536 [ 161.848316][ C0] hardirqs last enabled at (1003536): [] __local_bh_enable_ip+0xd6/0x140 [ 161.858397][ C0] hardirqs last disabled at (1003535): [] __local_bh_enable_ip+0x72/0x140 [ 161.868464][ C0] softirqs last enabled at (1003332): [] __irq_exit_rcu+0xcb/0x220 [ 161.878009][ C0] softirqs last disabled at (1003399): [] __irq_exit_rcu+0xcb/0x220 [ 161.887575][ C0] [ 161.887575][ C0] other info that might help us debug this: [ 161.895638][ C0] Possible unsafe locking scenario: [ 161.895638][ C0] [ 161.903107][ C0] CPU0 [ 161.906383][ C0] ---- [ 161.909661][ C0] lock(sk_lock-AF_X25); [ 161.913992][ C0] [ 161.917440][ C0] lock(sk_lock-AF_X25); [ 161.921939][ C0] [ 161.921939][ C0] *** DEADLOCK *** [ 161.921939][ C0] [ 161.930091][ C0] locks held by swapper/0/0: 1, last CPU#0: [ 161.935975][ C0] #0: ffffffff8ed5c8a0 (rcu_read_lock){....}-{1:3}, at: netif_receive_skb_core+0x33/0x2b0 [ 161.945984][ C0] [ 161.945984][ C0] stack backtrace: [ 161.951898][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 161.960845][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 161.970939][ C0] Call Trace: [ 161.974256][ C0] [ 161.977109][ C0] dump_stack_lvl+0xe8/0x150 [ 161.981735][ C0] print_usage_bug+0x28c/0x2e0 [ 161.986503][ C0] valid_state+0xbe/0xf0 [ 161.990749][ C0] mark_lock_irq+0x36/0x380 [ 161.995261][ C0] mark_lock+0x117/0x190 [ 161.999510][ C0] __lock_acquire+0x71e/0x2de0 [ 162.004295][ C0] ? kasan_quarantine_put+0xbb/0x1f0 [ 162.009598][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 162.014630][ C0] ? lock_acquire+0x115/0x350 [ 162.019314][ C0] lock_acquire+0x115/0x350 [ 162.023831][ C0] ? x25_kill_by_neigh+0x10d/0x250 [ 162.028954][ C0] ? x25_kill_by_neigh+0x103/0x250 [ 162.034071][ C0] lock_sock_nested+0x41/0x100 [ 162.038840][ C0] ? x25_kill_by_neigh+0x10d/0x250 [ 162.043961][ C0] x25_kill_by_neigh+0x10d/0x250 [ 162.048909][ C0] x25_lapb_receive_frame+0x1b0/0xfb0 [ 162.054304][ C0] ? netif_receive_skb_core+0x33/0x2b0 [ 162.059794][ C0] ? netif_receive_skb_core+0x33/0x2b0 [ 162.065266][ C0] ? __pfx_x25_lapb_receive_frame+0x10/0x10 [ 162.071275][ C0] netif_receive_skb_core+0x2a6/0x2b0 [ 162.076659][ C0] lapbeth_napi_poll+0x42/0x90 [ 162.081450][ C0] __napi_poll+0xaa/0x330 [ 162.085804][ C0] net_rx_action+0x61d/0xf50 [ 162.090402][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 162.095551][ C0] handle_softirqs+0x226/0x860 [ 162.100323][ C0] ? __irq_exit_rcu+0xcb/0x220 [ 162.105101][ C0] __irq_exit_rcu+0xcb/0x220 [ 162.109694][ C0] irq_exit_rcu+0x9/0x30 [ 162.113971][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 162.119631][ C0] [ 162.122587][ C0] [ 162.125524][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 162.131522][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 162.137231][ C0] Code: bb 87 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 a1 22 00 fb f4 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 162.156882][ C0] RSP: 0018:ffffffff8ea07ca0 EFLAGS: 00000242 [ 162.162971][ C0] RAX: 00000000000f4f85 RBX: ffffffff819bcc20 RCX: 8000000000000001 [ 162.170942][ C0] RDX: 0000000000000001 RSI: ffffffff8e4163c4 RDI: ffffffff8c6dad80 [ 162.178916][ C0] RBP: ffffffff8ea07d78 R08: ffff8880b8633a1b R09: 1ffff110170c6743 [ 162.186905][ C0] R10: dffffc0000000000 R11: ffffed10170c6744 R12: 0000000000000000 [ 162.194878][ C0] R13: 1ffffffff1d51e00 R14: 1ffffffff1d40f9c R15: dffffc0000000000 [ 162.202859][ C0] ? do_idle+0x2e0/0x540 [ 162.207151][ C0] default_idle+0x9/0x20 [ 162.211424][ C0] default_idle_call+0x72/0xb0 [ 162.216195][ C0] do_idle+0x2e0/0x540 [ 162.220292][ C0] ? __pfx_do_idle+0x10/0x10 [ 162.224906][ C0] cpu_startup_entry+0x43/0x60 [ 162.229676][ C0] rest_init+0x378/0x3a0 [ 162.233928][ C0] ? __pfx_rest_init+0x10/0x10 [ 162.238698][ C0] ? __pfx_kernel_init+0x10/0x10 [ 162.243641][ C0] ? __pfx_acpi_hw_get_mode+0x10/0x10 [ 162.249017][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 162.254305][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [pid 5665] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18) = -1 ENETUNREACH (Network is unreachable) [ 162.259601][ C0] ? acpi_enable_subsystem+0x286/0x3c0 [ 162.265085][ C0] start_kernel+0x392/0x3e0 [ 162.269593][ C0] x86_64_start_reservations+0x24/0x30 [ 162.275066][ C0] x86_64_start_kernel+0x137/0x1b0 [ 162.280185][ C0] common_startup_64+0x13e/0x157 [ 162.285154][ C0] [ 162.288375][ C0] BUG: sleeping function called from invalid context at net/core/sock.c:3839 [ 162.288389][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0 [ 162.288406][ C0] preempt_count: 101, expected: 0 [pid 5665] exit_group(0) = ? [pid 5665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 162.288459][ C0] RCU nest depth: 1, expected: 0 [ 162.288490][ C0] INFO: lockdep is turned off. [ 162.288508][ C0] Preemption disabled at: [ 162.288533][ C0] [] schedule_preempt_disabled+0x1d/0x30 [ 162.288679][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 162.288743][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 162.288781][ C0] Call Trace: [ 162.288803][ C0] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5666 attached , child_tidptr=0x5555789316d0) = 5666 [pid 5666] set_robust_list(0x5555789316e0, 24 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5666] setpgid(0, 0) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5666] write(3, "1000", 4) = 4 [ 162.288824][ C0] dump_stack_lvl+0xe8/0x150 [ 162.288906][ C0] __might_resched+0x36a/0x4c0 [ 162.288996][ C0] ? schedule_preempt_disabled+0x1d/0x30 [ 162.289053][ C0] lock_sock_nested+0x56/0x100 [ 162.289125][ C0] x25_kill_by_neigh+0x10d/0x250 [ 162.289203][ C0] x25_lapb_receive_frame+0x1b0/0xfb0 [ 162.289302][ C0] ? netif_receive_skb_core+0x33/0x2b0 [ 162.289374][ C0] ? netif_receive_skb_core+0x33/0x2b0 [ 162.289437][ C0] ? __pfx_x25_lapb_receive_frame+0x10/0x10 [ 162.289522][ C0] netif_receive_skb_core+0x2a6/0x2b0 [pid 5666] close(3) = 0 [pid 5666] write(1, "executing program\n", 18) = 18 executing program [pid 5666] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5666] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5666] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0 [ 162.289596][ C0] lapbeth_napi_poll+0x42/0x90 [ 162.289682][ C0] __napi_poll+0xaa/0x330 [ 162.289756][ C0] net_rx_action+0x61d/0xf50 [ 162.289852][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 162.289982][ C0] handle_softirqs+0x226/0x860 [ 162.290071][ C0] ? __irq_exit_rcu+0xcb/0x220 [ 162.290153][ C0] __irq_exit_rcu+0xcb/0x220 [ 162.290224][ C0] irq_exit_rcu+0x9/0x30 [ 162.290287][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 162.290359][ C0] [ 162.290377][ C0] [ 162.290401][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 162.290462][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 162.290542][ C0] Code: bb 87 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 a1 22 00 fb f4 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 162.290593][ C0] RSP: 0018:ffffffff8ea07ca0 EFLAGS: 00000242 [ 162.290643][ C0] RAX: 00000000000f4f85 RBX: ffffffff819bcc20 RCX: 8000000000000001 [ 162.290684][ C0] RDX: 0000000000000001 RSI: ffffffff8e4163c4 RDI: ffffffff8c6dad80 [ 162.290724][ C0] RBP: ffffffff8ea07d78 R08: ffff8880b8633a1b R09: 1ffff110170c6743 [ 162.290812][ C0] R10: dffffc0000000000 R11: ffffed10170c6744 R12: 0000000000000000 [ 162.290844][ C0] R13: 1ffffffff1d51e00 R14: 1ffffffff1d40f9c R15: dffffc0000000000 [ 162.290883][ C0] ? do_idle+0x2e0/0x540 [ 162.290930][ C0] default_idle+0x9/0x20 [ 162.290970][ C0] default_idle_call+0x72/0xb0 [ 162.291018][ C0] do_idle+0x2e0/0x540 [ 162.291069][ C0] ? __pfx_do_idle+0x10/0x10 [ 162.291128][ C0] cpu_startup_entry+0x43/0x60 [ 162.291177][ C0] rest_init+0x378/0x3a0 [ 162.291224][ C0] ? __pfx_rest_init+0x10/0x10 [ 162.291291][ C0] ? __pfx_kernel_init+0x10/0x10 [ 162.291353][ C0] ? __pfx_acpi_hw_get_mode+0x10/0x10 [ 162.291414][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 162.291474][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 162.291541][ C0] ? acpi_enable_subsystem+0x286/0x3c0 [ 162.291607][ C0] start_kernel+0x392/0x3e0 [ 162.291665][ C0] x86_64_start_reservations+0x24/0x30 [ 162.291738][ C0] x86_64_start_kernel+0x137/0x1b0 [ 162.291815][ C0] common_startup_64+0x13e/0x157 [ 162.291894][ C0] [pid 5666] connect(3, {sa_family=AF_X25, sx25_addr={x25_addr="\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc\x20"}}, 18 [pid 5653] kill(-5666, SIGKILL) = 0 [pid 5653] kill(5666, SIGKILL) = 0 [pid 5666] <... connect resumed>) = ? [pid 5666] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5666, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted kill ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5667 attached , child_tidptr=0x5555789316d0) = 5667 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] set_robust_list(0x5555789316e0, 24) = 0 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5667] setpgid(0, 0) = 0 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5667] write(3, "1000", 4) = 4 [pid 5667] close(3) = 0 [pid 5667] write(1, "executing program\n", 18) = 18 executing program [pid 5667] socket(AF_X25, SOCK_SEQPACKET, 0) = 3 [pid 5667] ioctl(3, SIOCADDRT, 0x200000000140) = -1 EINVAL (Invalid argument) [pid 5667] bind(3, {sa_family=AF_X25, sx25_addr={x25_addr=" "}}, 18) = 0