./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1761025876 <...> Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. execve("./syz-executor1761025876", ["./syz-executor1761025876"], 0x7fff054a2780 /* 10 vars */) = 0 brk(NULL) = 0x5555563c9000 brk(0x5555563c9d00) = 0x5555563c9d00 arch_prctl(ARCH_SET_FS, 0x5555563c9380) = 0 set_tid_address(0x5555563c9650) = 5067 set_robust_list(0x5555563c9660, 24) = 0 rseq(0x5555563c9ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1761025876", 4096) = 28 getrandom("\x26\xc5\xd1\xf7\xa2\x66\x9c\x2b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555563c9d00 brk(0x5555563ead00) = 0x5555563ead00 brk(0x5555563eb000) = 0x5555563eb000 mprotect(0x7ff79c4cc000, 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 5068 attached , child_tidptr=0x5555563c9650) = 5068 [pid 5068] set_robust_list(0x5555563c9660, 24) = 0 [pid 5068] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setsid() = 1 [pid 5068] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5068] unshare(CLONE_NEWNS) = 0 [pid 5068] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5068] unshare(CLONE_NEWIPC) = 0 [pid 5068] unshare(CLONE_NEWCGROUP) = 0 [pid 5068] unshare(CLONE_NEWUTS) = 0 [pid 5068] unshare(CLONE_SYSVSEM) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "16777216", 8) = 8 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "536870912", 9) = 9 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "8192", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5068] close(3) = 0 [pid 5068] getpid() = 1 [pid 5068] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 80 3c 20 00 74 08 48 89 df e8 80 c0 83 00 48 89 5c 24 40 48 8b [ 169.795666][ C1] RSP: 0018:ffffc900001f0640 EFLAGS: 00000806 [ 169.795681][ C1] RAX: 1ffffffff25844af RBX: ffffffff92c22578 RCX: ffffffff8171c87b [ 169.795692][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92c8a420 [ 169.795702][ C1] RBP: ffffc900001f0940 R08: ffffffff92c8a427 R09: 1ffffffff2591484 [ 169.795713][ C1] R10: dffffc0000000000 R11: fffffbfff2591485 R12: dffffc0000000000 [ 169.795724][ C1] R13: ffff888029318b58 R14: 4135954741f79c6b R15: ffff888029318000 [ 169.795735][ C1] FS: 00005555563c9380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 169.795748][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.795758][ C1] CR2: 00007ff79c4d00f0 CR3: 000000002ab44000 CR4: 00000000003506f0 [ 169.795772][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 169.795781][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 169.795790][ C1] Call Trace: [ 169.795796][ C1] [ 169.795802][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 169.795822][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 169.795844][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 169.795867][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 169.795885][ C1] ? nmi_handle+0x14f/0x580 [ 169.795899][ C1] ? nmi_handle+0x2a/0x580 [ 169.795913][ C1] ? validate_chain+0x1b1/0x58e0 [ 169.795928][ C1] ? default_do_nmi+0x63/0x160 [ 169.795944][ C1] ? exc_nmi+0x121/0x210 [ 169.795958][ C1] ? end_repeat_nmi+0xf/0x60 [ 169.795975][ C1] ? validate_chain+0x11b/0x58e0 [ 169.795991][ C1] ? validate_chain+0x1b1/0x58e0 [ 169.796007][ C1] ? validate_chain+0x1b1/0x58e0 [ 169.796023][ C1] ? validate_chain+0x1b1/0x58e0 [ 169.796038][ C1] [ 169.796043][ C1] [ 169.796053][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 169.796072][ C1] ? __pfx_validate_chain+0x10/0x10 [ 169.796087][ C1] ? validate_chain+0x11b/0x58e0 [ 169.796103][ C1] ? __pfx_validate_chain+0x10/0x10 [ 169.796118][ C1] ? validate_chain+0x11b/0x58e0 [ 169.796134][ C1] ? mark_lock+0x9a/0x350 [ 169.796150][ C1] ? __lock_acquire+0x1345/0x1fd0 [ 169.796178][ C1] ? mark_lock+0x9a/0x350 [ 169.796193][ C1] ? mark_lock+0x9a/0x350 [ 169.796212][ C1] __lock_acquire+0x1345/0x1fd0 [ 169.796241][ C1] lock_acquire+0x1e3/0x530 [ 169.796261][ C1] ? debug_object_deactivate+0x158/0x390 [ 169.796284][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 169.796307][ C1] ? do_raw_spin_unlock+0x13b/0x8b0 [ 169.796329][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 169.796350][ C1] _raw_spin_lock_irqsave+0xd5/0x120 [ 169.796368][ C1] ? debug_object_deactivate+0x158/0x390 [ 169.796387][ C1] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 169.796410][ C1] debug_object_deactivate+0x158/0x390 [ 169.796430][ C1] ? __pfx_debug_object_deactivate+0x10/0x10 [ 169.796451][ C1] ? timerqueue_add+0x260/0x290 [ 169.796476][ C1] debug_deactivate+0x1b/0x200 [ 169.796493][ C1] __hrtimer_run_queues+0x30f/0xd00 [ 169.796516][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 169.796535][ C1] hrtimer_interrupt+0x396/0x990 [ 169.796560][ C1] __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 169.796581][ C1] sysvec_apic_timer_interrupt+0x92/0xb0 [ 169.796600][ C1] [ 169.796604][ C1] [ 169.796609][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 169.796633][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 169.796652][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 3e 1a 84 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 33 dd f2 f5 65 8b 05 84 4f 92 74 85 c0 74 43 48 c7 04 24 0e 36 [ 169.796664][ C1] RSP: 0018:ffffc90003abea60 EFLAGS: 00000206 [ 169.796676][ C1] RAX: 2f2814a51ef14900 RBX: 1ffff92000757d50 RCX: ffffffff8171882a [ 169.796687][ C1] RDX: dffffc0000000000 RSI: ffffffff8baab5e0 RDI: 0000000000000001 [ 169.796698][ C1] RBP: ffffc90003abeaf0 R08: ffffffff92c8a4e7 R09: 1ffffffff259149c [ 169.796708][ C1] R10: dffffc0000000000 R11: fffffbfff259149d R12: dffffc0000000000 [ 169.796719][ C1] R13: 1ffff92000757d4c R14: ffffc90003abea80 R15: 0000000000000246 [ 169.796733][ C1] ? mark_lock+0x9a/0x350 [ 169.796750][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 169.796773][ C1] taprio_change+0x4912/0x57d0 [ 169.796803][ C1] ? __pfx_taprio_change+0x10/0x10 [ 169.796820][ C1] ? __pfx___might_resched+0x10/0x10 [ 169.796836][ C1] ? static_key_slow_inc_cpuslocked+0xdd/0x150 [ 169.796855][ C1] ? __pfx_lock_release+0x10/0x10 [ 169.796875][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 169.796892][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 169.796908][ C1] ? on_each_cpu_cond_mask+0x62/0x80 [ 169.796945][ C1] taprio_init+0x9da/0xc80 [ 169.796958][ C1] ? ____sys_sendmsg+0x525/0x7d0 [ 169.796975][ C1] ? __sys_sendmsg+0x2b0/0x3a0 [ 169.796992][ C1] ? do_syscall_64+0xf9/0x240 [ 169.797017][ C1] ? __pfx_taprio_init+0x10/0x10 [ 169.797032][ C1] ? lockdep_rtnl_is_held+0x26/0x40 [ 169.797055][ C1] ? qdisc_lookup+0x350/0x6b0 [ 169.797073][ C1] ? __pfx_taprio_init+0x10/0x10 [ 169.797086][ C1] qdisc_create+0x9d4/0x1190 [ 169.797110][ C1] ? __pfx_qdisc_create+0x10/0x10 [ 169.797134][ C1] tc_modify_qdisc+0xa26/0x1e40 [ 169.797160][ C1] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 169.797190][ C1] ? __pfx_tc_modify_qdisc+0x10/0x10 [ 169.797213][ C1] rtnetlink_rcv_msg+0x885/0x1040 [ 169.797236][ C1] ? rtnetlink_rcv_msg+0x208/0x1040 [ 169.797256][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 169.797279][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 169.797302][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 169.797325][ C1] ? __local_bh_enable_ip+0x168/0x200 [ 169.797348][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 169.797367][ C1] ? __local_bh_enable_ip+0x168/0x200 [ 169.797389][ C1] ? __dev_queue_xmit+0x2c4/0x3b10 [ 169.797405][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 169.797430][ C1] ? __dev_queue_xmit+0x2c4/0x3b10 [ 169.797448][ C1] ? __dev_queue_xmit+0x15fd/0x3b10 [ 169.797469][ C1] ? __dev_queue_xmit+0x2c4/0x3b10 [ 169.797490][ C1] ? ref_tracker_free+0x643/0x7e0 [ 169.797512][ C1] netlink_rcv_skb+0x1e3/0x430 [ 169.797535][ C1] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 169.797556][ C1] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 169.797587][ C1] ? netlink_deliver_tap+0x2e/0x1b0 [ 169.797609][ C1] netlink_unicast+0x7ea/0x980 [ 169.797633][ C1] ? __pfx_netlink_unicast+0x10/0x10 [ 169.797652][ C1] ? __virt_addr_valid+0x44e/0x520 [ 169.797674][ C1] ? __phys_addr_symbol+0x2f/0x70 [ 169.797694][ C1] ? __check_object_size+0x4bb/0xa00 [ 169.797711][ C1] ? bpf_lsm_netlink_send+0x9/0x10 [ 169.797731][ C1] netlink_sendmsg+0xa3b/0xd70 [ 169.797750][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 169.797765][ C1] ? __import_iovec+0x552/0x890 [ 169.797787][ C1] ? aa_sock_msg_perm+0x91/0x160 [ 169.797810][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 169.797830][ C1] ? security_socket_sendmsg+0x87/0xb0 [ 169.797849][ C1] ? __pfx_netlink_sendmsg+0x10/0x10 [ 169.797862][ C1] __sock_sendmsg+0x221/0x270 [ 169.797885][ C1] ____sys_sendmsg+0x525/0x7d0 [ 169.797906][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 169.797925][ C1] ? do_raw_spin_lock+0x14e/0x370 [ 169.797947][ C1] __sys_sendmsg+0x2b0/0x3a0 [ 169.797966][ C1] ? __pfx___sys_sendmsg+0x10/0x10 [ 169.797988][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 169.798014][ C1] ? _raw_spin_unlock_irq+0x2e/0x50 [ 169.798033][ C1] ? ptrace_notify+0x278/0x380 [ 169.798059][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 169.798081][ C1] ? do_syscall_64+0x108/0x240 [ 169.798102][ C1] ? syscall_trace_enter+0x5e/0x150 [ 169.798125][ C1] do_syscall_64+0xf9/0x240 [ 169.798147][ C1] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 169.798168][ C1] RIP: 0033:0x7ff79c454129 [ 169.798186][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 169.798197][ C1] RSP: 002b:00007ffe41f68378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.798216][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff79c454129 [ 169.798227][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 169.798235][ C1] RBP: 0000000000000000 R08: 00007ffe41f68400 R09: 00007ffe41f68400 [ 169.798245][ C1] R10: 00007ffe41f68400 R11: 0000000000000246 R12: 0000000000000031 [ 169.798254][ C1] R13: 0000000000000047 R14: 0000000000050012 R15: 0000000000000003 [ 169.798270][ C1] [ 169.798276][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.699 msecs [ 169.798572][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g6481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 170.685354][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=1971 [ 170.693162][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 170.704443][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 170.714413][ C0] rcu: RCU grace-period kthread stack dump: [ 170.720383][ C0] task:rcu_preempt state:I stack:25072 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 170.730553][ C0] Call Trace: [ 170.733835][ C0] [ 170.736774][ C0] __schedule+0x17d1/0x49f0 [ 170.741318][ C0] ? __pfx___schedule+0x10/0x10 [ 170.746179][ C0] ? __pfx_lock_release+0x10/0x10 [ 170.751220][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 170.757036][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 170.763384][ C0] ? schedule+0x8e/0x260 [ 170.767641][ C0] schedule+0x149/0x260 [ 170.771808][ C0] schedule_timeout+0x1bd/0x310 [ 170.776665][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 170.782064][ C0] ? __pfx_process_timeout+0x10/0x10 [ 170.787385][ C0] ? prepare_to_swait_event+0x32d/0x350 [ 170.792957][ C0] rcu_gp_fqs_loop+0x2df/0x1330 [ 170.797831][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 170.802798][ C0] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 170.808712][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 170.813924][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 170.819219][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 170.825130][ C0] ? finish_swait+0xd3/0x1e0 [ 170.829736][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 170.834342][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 170.839565][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 170.845481][ C0] ? __kthread_parkme+0x168/0x1d0 [ 170.850528][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 170.855744][ C0] kthread+0x2ef/0x390 [ 170.859830][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 170.865040][ C0] ? __pfx_kthread+0x10/0x10 [ 170.869640][ C0] ret_from_fork+0x4b/0x80 [ 170.874064][ C0] ? __pfx_kthread+0x10/0x10 [ 170.878658][ C0] ret_from_fork_asm+0x1b/0x30 [ 170.883450][ C0]