./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3673062952 <...> Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. execve("./syz-executor3673062952", ["./syz-executor3673062952"], 0x7ffdcf8e2b00 /* 10 vars */) = 0 brk(NULL) = 0x555555eb8000 brk(0x555555eb8d00) = 0x555555eb8d00 arch_prctl(ARCH_SET_FS, 0x555555eb8380) = 0 set_tid_address(0x555555eb8650) = 5065 set_robust_list(0x555555eb8660, 24) = 0 rseq(0x555555eb8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3673062952", 4096) = 28 getrandom("\x00\x36\x1b\x3b\x09\x74\xcb\x19", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555eb8d00 brk(0x555555ed9d00) = 0x555555ed9d00 brk(0x555555eda000) = 0x555555eda000 mprotect(0x7f1b2df1b000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached , child_tidptr=0x555555eb8650) = 5066 [pid 5066] set_robust_list(0x555555eb8660, 24) = 0 [pid 5066] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setsid() = 1 [pid 5066] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5066] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5066] unshare(CLONE_NEWNS) = 0 [pid 5066] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5066] unshare(CLONE_NEWIPC) = 0 [pid 5066] unshare(CLONE_NEWCGROUP) = 0 [pid 5066] unshare(CLONE_NEWUTS) = 0 [pid 5066] unshare(CLONE_SYSVSEM) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "16777216", 8) = 8 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "536870912", 9) = 9 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "8192", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5066] close(3) = 0 [pid 5066] getpid() = 1 [pid 5066] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 62.587451][ T5066] dump_stack_lvl+0x1e7/0x2e0 [ 62.592152][ T5066] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.597377][ T5066] ? __pfx__printk+0x10/0x10 [ 62.601988][ T5066] ? mark_lock+0x9a/0x350 [ 62.606311][ T5066] __ubsan_handle_shift_out_of_bounds+0x3c7/0x420 [ 62.612726][ T5066] taprio_change+0xb87/0x57d0 [ 62.617433][ T5066] ? taprio_dequeue+0x2b9/0x550 [ 62.622283][ T5066] ? __pfx_taprio_change+0x10/0x10 [ 62.627381][ T5066] ? __pfx___might_resched+0x10/0x10 [ 62.632655][ T5066] ? static_key_slow_inc_cpuslocked+0xdd/0x150 [ 62.638804][ T5066] ? __pfx_lock_release+0x10/0x10 [ 62.643817][ T5066] ? __pfx_do_sync_core+0x10/0x10 [ 62.648890][ T5066] taprio_init+0x9da/0xc80 [ 62.653346][ T5066] ? ____sys_sendmsg+0x525/0x7d0 [ 62.658291][ T5066] ? __sys_sendmsg+0x2b0/0x3a0 [ 62.663052][ T5066] ? do_syscall_64+0xf9/0x240 [ 62.667737][ T5066] ? __pfx_taprio_init+0x10/0x10 [ 62.672667][ T5066] ? lockdep_rtnl_is_held+0x26/0x40 [ 62.677855][ T5066] ? qdisc_lookup+0x350/0x6b0 [ 62.682525][ T5066] ? __pfx_taprio_init+0x10/0x10 [ 62.687451][ T5066] qdisc_create+0x9d4/0x1190 [ 62.692062][ T5066] ? __pfx_qdisc_create+0x10/0x10 [ 62.697096][ T5066] tc_modify_qdisc+0xa26/0x1e40 [ 62.701952][ T5066] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 62.707247][ T5066] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 62.712529][ T5066] rtnetlink_rcv_msg+0x885/0x1040 [ 62.717551][ T5066] ? rtnetlink_rcv_msg+0x208/0x1040 [ 62.722743][ T5066] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 62.728199][ T5066] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 62.734173][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.740495][ T5066] ? __local_bh_enable_ip+0x168/0x200 [ 62.745861][ T5066] ? lockdep_hardirqs_on+0x98/0x140 [ 62.751088][ T5066] ? __local_bh_enable_ip+0x168/0x200 [ 62.756478][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 62.761597][ T5066] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 62.767324][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 62.772432][ T5066] ? __dev_queue_xmit+0x15fd/0x3b10 [ 62.777632][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 62.782745][ T5066] ? ref_tracker_free+0x643/0x7e0 [ 62.787768][ T5066] netlink_rcv_skb+0x1e3/0x430 [ 62.792527][ T5066] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 62.797982][ T5066] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 62.803272][ T5066] ? netlink_deliver_tap+0x2e/0x1b0 [ 62.808461][ T5066] netlink_unicast+0x7ea/0x980 [ 62.813225][ T5066] ? __pfx_netlink_unicast+0x10/0x10 [ 62.818501][ T5066] ? __virt_addr_valid+0x44e/0x520 [ 62.823607][ T5066] ? __phys_addr_symbol+0x2f/0x70 [ 62.828627][ T5066] ? __check_object_size+0x4bb/0xa00 [ 62.833904][ T5066] ? bpf_lsm_netlink_send+0x9/0x10 [ 62.839007][ T5066] netlink_sendmsg+0xa3b/0xd70 [ 62.843768][ T5066] ? __pfx_netlink_sendmsg+0x10/0x10 [ 62.849043][ T5066] ? __import_iovec+0x536/0x820 [ 62.853890][ T5066] ? aa_sock_msg_perm+0x91/0x160 [ 62.858826][ T5066] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 62.864113][ T5066] ? security_socket_sendmsg+0x87/0xb0 [ 62.869567][ T5066] ? __pfx_netlink_sendmsg+0x10/0x10 [ 62.874839][ T5066] __sock_sendmsg+0x221/0x270 [ 62.879521][ T5066] ____sys_sendmsg+0x525/0x7d0 [ 62.884284][ T5066] ? __pfx_____sys_sendmsg+0x10/0x10 [ 62.889564][ T5066] ? do_raw_spin_lock+0x14e/0x370 [ 62.894589][ T5066] __sys_sendmsg+0x2b0/0x3a0 [ 62.899175][ T5066] ? __pfx___sys_sendmsg+0x10/0x10 [ 62.904284][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.910621][ T5066] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.915811][ T5066] ? ptrace_notify+0x278/0x380 [ 62.920579][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.926902][ T5066] ? do_syscall_64+0x108/0x240 [ 62.931662][ T5066] ? syscall_trace_enter+0x5e/0x150 [ 62.936861][ T5066] do_syscall_64+0xf9/0x240 [ 62.941370][ T5066] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 62.947259][ T5066] RIP: 0033:0x7f1b2dea3759 [ 62.951668][ T5066] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 62.971262][ T5066] RSP: 002b:00007ffd4de452f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.979672][ T5066] RAX: ffffffffffffffda RBX: 00007f1b2def0390 RCX: 00007f1b2dea3759 [ 62.987635][ T5066] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 62.995596][ T5066] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 63.003564][ T5066] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffd4de45340 [ 63.011526][ T5066] R13: 00007ffd4de45310 R14: 0000000000000001 R15: 00007ffd4de45340 [ 63.019693][ T5066] [ 63.025388][ T5066] ---[ end trace ]--- [ 63.029480][ T5066] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 63.036680][ T5066] CPU: 1 PID: 5066 Comm: syz-executor367 Not tainted 6.8.0-rc7-syzkaller-00136-gc8a5c731fd12 #0 [ 63.047138][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 63.057241][ T5066] Call Trace: [ 63.060513][ T5066] [ 63.063432][ T5066] dump_stack_lvl+0x1e7/0x2e0 [ 63.068122][ T5066] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.073323][ T5066] ? __pfx__printk+0x10/0x10 [ 63.077905][ T5066] ? vprintk_emit+0x607/0x720 [ 63.082572][ T5066] ? vscnprintf+0x5d/0x90 [ 63.086894][ T5066] panic+0x349/0x860 [ 63.090803][ T5066] ? check_panic_on_warn+0x21/0xb0 [ 63.095913][ T5066] ? __pfx_panic+0x10/0x10 [ 63.100323][ T5066] ? _printk+0xd5/0x120 [ 63.104553][ T5066] ? __pfx__printk+0x10/0x10 [ 63.109131][ T5066] check_panic_on_warn+0x86/0xb0 [ 63.114057][ T5066] __ubsan_handle_shift_out_of_bounds+0x3e6/0x420 [ 63.120472][ T5066] taprio_change+0xb87/0x57d0 [ 63.125141][ T5066] ? taprio_dequeue+0x2b9/0x550 [ 63.129978][ T5066] ? __pfx_taprio_change+0x10/0x10 [ 63.135076][ T5066] ? __pfx___might_resched+0x10/0x10 [ 63.140365][ T5066] ? static_key_slow_inc_cpuslocked+0xdd/0x150 [ 63.146543][ T5066] ? __pfx_lock_release+0x10/0x10 [ 63.151562][ T5066] ? __pfx_do_sync_core+0x10/0x10 [ 63.156600][ T5066] taprio_init+0x9da/0xc80 [ 63.161005][ T5066] ? ____sys_sendmsg+0x525/0x7d0 [ 63.165953][ T5066] ? __sys_sendmsg+0x2b0/0x3a0 [ 63.170716][ T5066] ? do_syscall_64+0xf9/0x240 [ 63.175389][ T5066] ? __pfx_taprio_init+0x10/0x10 [ 63.180313][ T5066] ? lockdep_rtnl_is_held+0x26/0x40 [ 63.185495][ T5066] ? qdisc_lookup+0x350/0x6b0 [ 63.190160][ T5066] ? __pfx_taprio_init+0x10/0x10 [ 63.195108][ T5066] qdisc_create+0x9d4/0x1190 [ 63.199693][ T5066] ? __pfx_qdisc_create+0x10/0x10 [ 63.204724][ T5066] tc_modify_qdisc+0xa26/0x1e40 [ 63.209569][ T5066] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 63.214857][ T5066] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 63.220132][ T5066] rtnetlink_rcv_msg+0x885/0x1040 [ 63.225142][ T5066] ? rtnetlink_rcv_msg+0x208/0x1040 [ 63.230327][ T5066] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 63.235774][ T5066] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 63.241746][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.248067][ T5066] ? __local_bh_enable_ip+0x168/0x200 [ 63.253427][ T5066] ? lockdep_hardirqs_on+0x98/0x140 [ 63.258611][ T5066] ? __local_bh_enable_ip+0x168/0x200 [ 63.263989][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 63.269104][ T5066] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 63.274829][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 63.279951][ T5066] ? __dev_queue_xmit+0x15fd/0x3b10 [ 63.285156][ T5066] ? __dev_queue_xmit+0x2c4/0x3b10 [ 63.290271][ T5066] ? ref_tracker_free+0x643/0x7e0 [ 63.295291][ T5066] netlink_rcv_skb+0x1e3/0x430 [ 63.300040][ T5066] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 63.305489][ T5066] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 63.310781][ T5066] ? netlink_deliver_tap+0x2e/0x1b0 [ 63.315987][ T5066] netlink_unicast+0x7ea/0x980 [ 63.320749][ T5066] ? __pfx_netlink_unicast+0x10/0x10 [ 63.326029][ T5066] ? __virt_addr_valid+0x44e/0x520 [ 63.331137][ T5066] ? __phys_addr_symbol+0x2f/0x70 [ 63.336150][ T5066] ? __check_object_size+0x4bb/0xa00 [ 63.341431][ T5066] ? bpf_lsm_netlink_send+0x9/0x10 [ 63.346534][ T5066] netlink_sendmsg+0xa3b/0xd70 [ 63.351289][ T5066] ? __pfx_netlink_sendmsg+0x10/0x10 [ 63.356573][ T5066] ? __import_iovec+0x536/0x820 [ 63.361410][ T5066] ? aa_sock_msg_perm+0x91/0x160 [ 63.366337][ T5066] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 63.371608][ T5066] ? security_socket_sendmsg+0x87/0xb0 [ 63.377053][ T5066] ? __pfx_netlink_sendmsg+0x10/0x10 [ 63.382334][ T5066] __sock_sendmsg+0x221/0x270 [ 63.387003][ T5066] ____sys_sendmsg+0x525/0x7d0 [ 63.391765][ T5066] ? __pfx_____sys_sendmsg+0x10/0x10 [ 63.397051][ T5066] ? do_raw_spin_lock+0x14e/0x370 [ 63.402077][ T5066] __sys_sendmsg+0x2b0/0x3a0 [ 63.406649][ T5066] ? __pfx___sys_sendmsg+0x10/0x10 [ 63.411752][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.418095][ T5066] ? _raw_spin_unlock_irq+0x2e/0x50 [ 63.423278][ T5066] ? ptrace_notify+0x278/0x380 [ 63.428049][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.434359][ T5066] ? do_syscall_64+0x108/0x240 [ 63.439117][ T5066] ? syscall_trace_enter+0x5e/0x150 [ 63.444308][ T5066] do_syscall_64+0xf9/0x240 [ 63.448803][ T5066] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 63.454682][ T5066] RIP: 0033:0x7f1b2dea3759 [ 63.459080][ T5066] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 63.478669][ T5066] RSP: 002b:00007ffd4de452f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.487073][ T5066] RAX: ffffffffffffffda RBX: 00007f1b2def0390 RCX: 00007f1b2dea3759 [ 63.495038][ T5066] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 63.503009][ T5066] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 63.510977][ T5066] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffd4de45340 [ 63.518931][ T5066] R13: 00007ffd4de45310 R14: 0000000000000001 R15: 00007ffd4de45340 [ 63.526896][ T5066] [ 63.530167][ T5066] Kernel Offset: disabled [ 63.534477][ T5066] Rebooting in 86400 seconds..