./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4150629108 <...> Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. execve("./syz-executor4150629108", ["./syz-executor4150629108"], 0x7fff80c863c0 /* 10 vars */) = 0 brk(NULL) = 0x55555737a000 brk(0x55555737ad00) = 0x55555737ad00 arch_prctl(ARCH_SET_FS, 0x55555737a380) = 0 set_tid_address(0x55555737a650) = 5077 set_robust_list(0x55555737a660, 24) = 0 rseq(0x55555737aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4150629108", 4096) = 28 getrandom("\x87\x55\x54\x1b\xec\xfa\x9f\x3c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555737ad00 brk(0x55555739bd00) = 0x55555739bd00 brk(0x55555739c000) = 0x55555739c000 mprotect(0x7fa026033000, 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, child_tidptr=0x55555737a650) = 5078 ./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x55555737a660, 24) = 0 [pid 5078] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setsid() = 1 [pid 5078] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5078] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5078] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5078] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5078] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5078] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5078] unshare(CLONE_NEWNS) = 0 [pid 5078] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5078] unshare(CLONE_NEWIPC) = 0 [pid 5078] unshare(CLONE_NEWCGROUP) = 0 [pid 5078] unshare(CLONE_NEWUTS) = 0 [pid 5078] unshare(CLONE_SYSVSEM) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "16777216", 8) = 8 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "536870912", 9) = 9 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1024", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "8192", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1024", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1024", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5078] close(3) = 0 [pid 5078] getpid() = 1 [pid 5078] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 91.188334][ T5078] dump_stack_lvl+0x1e7/0x2e0 [ 91.193133][ T5078] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.198346][ T5078] ? __pfx__printk+0x10/0x10 [ 91.202977][ T5078] ? lockdep_hardirqs_on+0x98/0x140 [ 91.208220][ T5078] __ubsan_handle_shift_out_of_bounds+0x3c7/0x420 [ 91.214752][ T5078] taprio_change+0xaf1/0x42d0 [ 91.219544][ T5078] ? __pfx_taprio_change+0x10/0x10 [ 91.224669][ T5078] ? __pfx_do_sync_core+0x10/0x10 [ 91.229745][ T5078] ? on_each_cpu_cond_mask+0x62/0x80 [ 91.235078][ T5078] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 91.241126][ T5078] taprio_init+0x9da/0xc80 [ 91.245574][ T5078] ? ____sys_sendmsg+0x525/0x7d0 [ 91.250555][ T5078] ? __sys_sendmsg+0x2b0/0x3a0 [ 91.255325][ T5078] ? do_syscall_64+0xf9/0x240 [ 91.260040][ T5078] ? __pfx_taprio_init+0x10/0x10 [ 91.265013][ T5078] ? lockdep_rtnl_is_held+0x26/0x40 [ 91.270290][ T5078] ? qdisc_lookup+0x350/0x6b0 [ 91.274997][ T5078] ? __pfx_taprio_init+0x10/0x10 [ 91.279943][ T5078] qdisc_create+0x9d4/0x1190 [ 91.284558][ T5078] ? __pfx_qdisc_create+0x10/0x10 [ 91.289603][ T5078] tc_modify_qdisc+0xa26/0x1e40 [ 91.294506][ T5078] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 91.299845][ T5078] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 91.305162][ T5078] rtnetlink_rcv_msg+0x89b/0x10d0 [ 91.310290][ T5078] ? rtnetlink_rcv_msg+0x208/0x10d0 [ 91.324043][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.330396][ T5078] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 91.335902][ T5078] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 91.341906][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.348252][ T5078] ? __local_bh_enable_ip+0x168/0x200 [ 91.353661][ T5078] ? lockdep_hardirqs_on+0x98/0x140 [ 91.358907][ T5078] ? __local_bh_enable_ip+0x168/0x200 [ 91.364323][ T5078] ? dev_hard_start_xmit+0x724/0x790 [ 91.369704][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.374873][ T5078] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 91.380623][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.385775][ T5078] ? __dev_queue_xmit+0x15fd/0x3b10 [ 91.391024][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.396176][ T5078] ? ref_tracker_free+0x643/0x7e0 [ 91.401316][ T5078] netlink_rcv_skb+0x1e3/0x430 [ 91.406142][ T5078] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 91.411645][ T5078] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 91.416986][ T5078] ? netlink_deliver_tap+0x2e/0x1b0 [ 91.422209][ T5078] netlink_unicast+0x7ea/0x980 [ 91.426999][ T5078] ? __pfx_netlink_unicast+0x10/0x10 [ 91.432312][ T5078] ? __virt_addr_valid+0x44e/0x520 [ 91.437456][ T5078] ? __phys_addr_symbol+0x2f/0x70 [ 91.442506][ T5078] ? __check_object_size+0x4bb/0xa00 [ 91.447870][ T5078] ? bpf_lsm_netlink_send+0x9/0x10 [ 91.453041][ T5078] netlink_sendmsg+0x8e0/0xcb0 [ 91.457855][ T5078] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.463169][ T5078] ? __import_iovec+0x536/0x820 [ 91.468074][ T5078] ? aa_sock_msg_perm+0x91/0x160 [ 91.473055][ T5078] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 91.478359][ T5078] ? security_socket_sendmsg+0x87/0xb0 [ 91.483889][ T5078] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.489208][ T5078] __sock_sendmsg+0x221/0x270 [ 91.493946][ T5078] ____sys_sendmsg+0x525/0x7d0 [ 91.498724][ T5078] ? __pfx_____sys_sendmsg+0x10/0x10 [ 91.504021][ T5078] ? do_raw_spin_lock+0x14e/0x370 [ 91.509113][ T5078] __sys_sendmsg+0x2b0/0x3a0 [ 91.513733][ T5078] ? __pfx___sys_sendmsg+0x10/0x10 [ 91.518890][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.525301][ T5078] ? _raw_spin_unlock_irq+0x2e/0x50 [ 91.530629][ T5078] ? ptrace_notify+0x278/0x380 [ 91.535451][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.541840][ T5078] ? do_syscall_64+0x108/0x240 [ 91.546876][ T5078] ? syscall_trace_enter+0x5e/0x150 [ 91.552104][ T5078] do_syscall_64+0xf9/0x240 [ 91.556621][ T5078] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 91.562564][ T5078] RIP: 0033:0x7fa025fbb759 [ 91.567019][ T5078] 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 [ 91.586659][ T5078] RSP: 002b:00007ffe25d2ca58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.595108][ T5078] RAX: ffffffffffffffda RBX: 00007fa026008390 RCX: 00007fa025fbb759 [ 91.603130][ T5078] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 91.611142][ T5078] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 91.619143][ T5078] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffe25d2caa0 [ 91.627126][ T5078] R13: 00007ffe25d2ca70 R14: 0000000000000001 R15: 00007ffe25d2caa0 [ 91.635151][ T5078] [ 91.640486][ T5078] ---[ end trace ]--- [ 91.644527][ T5078] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 91.651753][ T5078] CPU: 1 PID: 5078 Comm: syz-executor415 Not tainted 6.8.0-rc7-syzkaller-02440-gc2b25092864a #0 [ 91.662195][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 91.672259][ T5078] Call Trace: [ 91.675564][ T5078] [ 91.678497][ T5078] dump_stack_lvl+0x1e7/0x2e0 [ 91.683212][ T5078] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.688466][ T5078] ? __pfx__printk+0x10/0x10 [ 91.693128][ T5078] ? vprintk_emit+0x607/0x720 [ 91.697829][ T5078] ? vscnprintf+0x5d/0x90 [ 91.702193][ T5078] panic+0x349/0x860 [ 91.706113][ T5078] ? check_panic_on_warn+0x21/0xb0 [ 91.711323][ T5078] ? __pfx_panic+0x10/0x10 [ 91.715888][ T5078] ? _printk+0xd5/0x120 [ 91.720107][ T5078] ? __pfx__printk+0x10/0x10 [ 91.724735][ T5078] check_panic_on_warn+0x86/0xb0 [ 91.729726][ T5078] __ubsan_handle_shift_out_of_bounds+0x3e6/0x420 [ 91.736206][ T5078] taprio_change+0xaf1/0x42d0 [ 91.740995][ T5078] ? __pfx_taprio_change+0x10/0x10 [ 91.746152][ T5078] ? __pfx_do_sync_core+0x10/0x10 [ 91.751223][ T5078] ? on_each_cpu_cond_mask+0x62/0x80 [ 91.756585][ T5078] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 91.762529][ T5078] taprio_init+0x9da/0xc80 [ 91.766999][ T5078] ? ____sys_sendmsg+0x525/0x7d0 [ 91.771964][ T5078] ? __sys_sendmsg+0x2b0/0x3a0 [ 91.776762][ T5078] ? do_syscall_64+0xf9/0x240 [ 91.781485][ T5078] ? __pfx_taprio_init+0x10/0x10 [ 91.786449][ T5078] ? lockdep_rtnl_is_held+0x26/0x40 [ 91.791672][ T5078] ? qdisc_lookup+0x350/0x6b0 [ 91.796373][ T5078] ? __pfx_taprio_init+0x10/0x10 [ 91.801326][ T5078] qdisc_create+0x9d4/0x1190 [ 91.805968][ T5078] ? __pfx_qdisc_create+0x10/0x10 [ 91.811045][ T5078] tc_modify_qdisc+0xa26/0x1e40 [ 91.815944][ T5078] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 91.821300][ T5078] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 91.826657][ T5078] rtnetlink_rcv_msg+0x89b/0x10d0 [ 91.831726][ T5078] ? rtnetlink_rcv_msg+0x208/0x10d0 [ 91.836951][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.843334][ T5078] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 91.848856][ T5078] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 91.854897][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.861285][ T5078] ? __local_bh_enable_ip+0x168/0x200 [ 91.866696][ T5078] ? lockdep_hardirqs_on+0x98/0x140 [ 91.871924][ T5078] ? __local_bh_enable_ip+0x168/0x200 [ 91.877539][ T5078] ? dev_hard_start_xmit+0x724/0x790 [ 91.882841][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.887968][ T5078] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 91.893720][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.898862][ T5078] ? __dev_queue_xmit+0x15fd/0x3b10 [ 91.904087][ T5078] ? __dev_queue_xmit+0x2c4/0x3b10 [ 91.909228][ T5078] ? ref_tracker_free+0x643/0x7e0 [ 91.914807][ T5078] netlink_rcv_skb+0x1e3/0x430 [ 91.919595][ T5078] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 91.925105][ T5078] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 91.930440][ T5078] ? netlink_deliver_tap+0x2e/0x1b0 [ 91.935665][ T5078] netlink_unicast+0x7ea/0x980 [ 91.940484][ T5078] ? __pfx_netlink_unicast+0x10/0x10 [ 91.945825][ T5078] ? __virt_addr_valid+0x44e/0x520 [ 91.950968][ T5078] ? __phys_addr_symbol+0x2f/0x70 [ 91.956015][ T5078] ? __check_object_size+0x4bb/0xa00 [ 91.961322][ T5078] ? bpf_lsm_netlink_send+0x9/0x10 [ 91.966516][ T5078] netlink_sendmsg+0x8e0/0xcb0 [ 91.971363][ T5078] ? __pfx_netlink_sendmsg+0x10/0x10 [ 91.976682][ T5078] ? __import_iovec+0x536/0x820 [ 91.981575][ T5078] ? aa_sock_msg_perm+0x91/0x160 [ 91.986539][ T5078] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 91.991856][ T5078] ? security_socket_sendmsg+0x87/0xb0 [ 91.997347][ T5078] ? __pfx_netlink_sendmsg+0x10/0x10 [ 92.002651][ T5078] __sock_sendmsg+0x221/0x270 [ 92.007357][ T5078] ____sys_sendmsg+0x525/0x7d0 [ 92.012144][ T5078] ? __pfx_____sys_sendmsg+0x10/0x10 [ 92.017452][ T5078] ? do_raw_spin_lock+0x14e/0x370 [ 92.022504][ T5078] __sys_sendmsg+0x2b0/0x3a0 [ 92.027110][ T5078] ? __pfx___sys_sendmsg+0x10/0x10 [ 92.032241][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 92.038608][ T5078] ? _raw_spin_unlock_irq+0x2e/0x50 [ 92.043858][ T5078] ? ptrace_notify+0x278/0x380 [ 92.048848][ T5078] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 92.055258][ T5078] ? do_syscall_64+0x108/0x240 [ 92.060099][ T5078] ? syscall_trace_enter+0x5e/0x150 [ 92.065319][ T5078] do_syscall_64+0xf9/0x240 [ 92.069841][ T5078] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 92.075750][ T5078] RIP: 0033:0x7fa025fbb759 [ 92.080177][ T5078] 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 [ 92.099806][ T5078] RSP: 002b:00007ffe25d2ca58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.108238][ T5078] RAX: ffffffffffffffda RBX: 00007fa026008390 RCX: 00007fa025fbb759 [ 92.116232][ T5078] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 92.124214][ T5078] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 92.132221][ T5078] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffe25d2caa0 [ 92.140210][ T5078] R13: 00007ffe25d2ca70 R14: 0000000000000001 R15: 00007ffe25d2caa0 [ 92.148215][ T5078] [ 92.151644][ T5078] Kernel Offset: disabled [ 92.155978][ T5078] Rebooting in 86400 seconds..