./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4059289303 <...> Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. execve("./syz-executor4059289303", ["./syz-executor4059289303"], 0x7ffe82aa5640 /* 10 vars */) = 0 brk(NULL) = 0x5555886ea000 brk(0x5555886ead40) = 0x5555886ead40 arch_prctl(ARCH_SET_FS, 0x5555886ea3c0) = 0 set_tid_address(0x5555886ea690) = 5077 set_robust_list(0x5555886ea6a0, 24) = 0 rseq(0x5555886eace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4059289303", 4096) = 28 getrandom("\xa6\xd9\x88\xfd\x07\x43\x40\x50", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555886ead40 brk(0x55558870bd40) = 0x55558870bd40 brk(0x55558870c000) = 0x55558870c000 mprotect(0x7fb628ca7000, 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=0x5555886ea690) = 5078 ./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x5555886ea6a0, 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< {parent_tid=[3]}, 88) = 3 [pid 5089] rseq(0x7fb628bdafe0, 0x20, 0, 0x53053053) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] set_robust_list(0x7fb628bda9a0, 24 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] futex(0x7fb628cad408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5089] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */) [pid 5088] futex(0x7fb628cad40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... socket resumed>) = 3 [pid 5089] futex(0x7fb628cad40c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] <... futex resumed>) = 0 [pid 5088] futex(0x7fb628cad408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] ioctl(3, SIOCGIFINDEX, {ifr_name="team0" [pid 5088] <... futex resumed>) = 0 [pid 5088] futex(0x7fb628cad40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... ioctl resumed>, ifr_ifindex=15}) = 0 [pid 5089] futex(0x7fb628cad40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5089] futex(0x7fb628cad408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7fb628cad408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] <... futex resumed>) = 0 [pid 5089] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5088] futex(0x7fb628cad40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... socket resumed>) = 4 [pid 5089] futex(0x7fb628cad40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5089] futex(0x7fb628cad408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7fb628cad408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5088] <... futex resumed>) = 0 [pid 5089] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xdc\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0b\x00\x01\x00\x74\x61\x70\x72\x69\x6f\x00\x00\xac\x00\x02\x00\x56\x00\x01\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00"..., iov_len=220}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5088] futex(0x7fb628cad40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5088] close(3 [pid 5078] kill(-2, SIGKILL) = 0 [pid 5078] kill(2, SIGKILL) = 0 [pid 5078] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5078] getdents64(3, 0x5555886eb730 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(3, 0x5555886eb730 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5088] <... close resumed>) = ? [pid 5089] <... sendmsg resumed>) = ? [pid 5089] +++ killed by SIGKILL +++ [pid 5088] +++ killed by SIGKILL +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x5555886ea6a0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555886ea690) = 4 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] futex(0x7fb628cad40c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7fb628c4b4e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb628c3cb60}, NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb628bba000 [pid 5091] mprotect(0x7fb628bbb000, 131072, PROT_READ|PROT_WRITE) = 0 [ 107.932882][ C0] hrtimer: interrupt took 20269045412 ns [ 107.958994][ T927] cfg80211: failed to load regulatory.db [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb628bda990, parent_tid=0x7fb628bda990, exit_signal=0, stack=0x7fb628bba000, stack_size=0x20300, tls=0x7fb628bda6c0} => {parent_tid=[5]}, 88) = 5 ./strace-static-x86_64: Process 5092 attached [pid 5092] rseq(0x7fb628bdafe0, 0x20, 0, 0x53053053 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... rseq resumed>) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] set_robust_list(0x7fb628bda9a0, 24 [pid 5091] futex(0x7fb628cad408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] futex(0x7fb628cad40c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5092] futex(0x7fb628cad40c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5091] <... futex resumed>) = 0 [ 213.042067][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 213.049170][ C1] rcu: 0-...!: (1 GPs behind) idle=002c/0/0x1 softirq=6879/6879 fqs=0 [ 213.058016][ C1] rcu: (detected by 1, t=10502 jiffies, g=9133, q=233 ncpus=2) [ 213.065675][ C1] Sending NMI from CPU 1 to CPUs 0: [ 213.070905][ C0] NMI backtrace for cpu 0 [ 213.070917][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 [ 213.070934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 213.070944][ C0] RIP: 0010:rb_next+0xaa/0xf0 [ 213.070994][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 e3 48 89 df e8 2d 47 87 f6 eb d9 4c 3b 63 08 49 89 dc 75 3d 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 e7 e8 0c 47 87 f6 49 8b 1c 24 48 83 e3 fc 0f 84 75 ff [ 213.071008][ C0] RSP: 0000:ffffc90000007d00 EFLAGS: 00000046 [ 213.071024][ C0] RAX: 1ffff1100faa2268 RBX: ffff8880b942c9d8 RCX: ffffffff8e0946c0 [ 213.071037][ C0] RDX: 0000000000010002 RSI: ffff88807d511340 RDI: ffff88807d511340 [ 213.071050][ C0] RBP: dffffc0000000000 R08: ffffffff8b7096e8 R09: 1ffffffff1f4f96d [ 213.071063][ C0] R10: dffffc0000000000 R11: fffffbfff1f4f96e R12: ffff88807d511340 [ 213.071076][ C0] R13: ffff88807d511340 R14: 0000000000000000 R15: dffffc0000000000 [ 213.071088][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 213.071103][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.071115][ C0] CR2: 00007fb628beab44 CR3: 0000000077f5e000 CR4: 00000000003506f0 [ 213.071148][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.071158][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.071169][ C0] Call Trace: [ 213.071177][ C0] [ 213.071186][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 213.071207][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 213.071228][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 213.071267][ C0] ? nmi_handle+0x2a/0x5a0 [ 213.071299][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 213.071321][ C0] ? nmi_handle+0x14f/0x5a0 [ 213.071338][ C0] ? nmi_handle+0x2a/0x5a0 [ 213.071356][ C0] ? rb_next+0xaa/0xf0 [ 213.071378][ C0] ? default_do_nmi+0x63/0x160 [ 213.071398][ C0] ? exc_nmi+0x123/0x1f0 [ 213.071417][ C0] ? end_repeat_nmi+0xf/0x53 [ 213.071442][ C0] ? timerqueue_del+0x48/0x100 [ 213.071461][ C0] ? rb_next+0xaa/0xf0 [ 213.071483][ C0] ? rb_next+0xaa/0xf0 [ 213.071506][ C0] ? rb_next+0xaa/0xf0 [ 213.071528][ C0] [ 213.071534][ C0] [ 213.071541][ C0] timerqueue_del+0x89/0x100 [ 213.071561][ C0] __hrtimer_run_queues+0x3da/0xd50 [ 213.071596][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 213.071619][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 213.071643][ C0] hrtimer_interrupt+0x396/0x990 [ 213.071680][ C0] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 213.071710][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 213.071734][ C0] [ 213.071740][ C0] [ 213.071746][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 213.071767][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 213.071786][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 85 c3 b0 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 213.071800][ C0] RSP: 0000:ffffffff8e007ca8 EFLAGS: 00000246 [ 213.071814][ C0] RAX: ffffffff8e0946c0 RBX: ffff88801be88864 RCX: 0000000000020029 [ 213.071827][ C0] RDX: 0000000000000001 RSI: ffff88801be88800 RDI: ffff88801be88864 [ 213.071839][ C0] RBP: 000000000003a438 R08: ffff8880b9437ccb R09: 1ffff11017286f99 [ 213.071851][ C0] R10: dffffc0000000000 R11: ffffffff8b77aff0 R12: ffff88801a783800 [ 213.071864][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eab1700 [ 213.071878][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 213.071902][ C0] acpi_idle_enter+0xe4/0x140 [ 213.071922][ C0] cpuidle_enter_state+0x112/0x480 [ 213.071938][ C0] ? __pfx_menu_select+0x10/0x10 [ 213.071966][ C0] cpuidle_enter+0x5d/0xa0 [ 213.071993][ C0] do_idle+0x375/0x5d0 [ 213.072011][ C0] ? __pfx___schedule+0x10/0x10 [ 213.072041][ C0] ? __pfx_do_idle+0x10/0x10 [ 213.072062][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 213.072088][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 213.072116][ C0] ? rest_init+0x31/0x300 [ 213.072134][ C0] ? rest_init+0x31/0x300 [ 213.072150][ C0] cpu_startup_entry+0x42/0x60 [ 213.072169][ C0] rest_init+0x2dc/0x300 [ 213.072187][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 213.072213][ C0] start_kernel+0x47a/0x500 [ 213.072242][ C0] x86_64_start_reservations+0x2a/0x30 [ 213.072262][ C0] x86_64_start_kernel+0x99/0xa0 [ 213.072285][ C0] common_startup_64+0x13e/0x147 [ 213.072314][ C0] [ 213.072322][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.417 msecs [ 213.072900][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g9133 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 213.526948][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 213.537058][ C1] rcu: RCU grace-period kthread stack dump: [ 213.543061][ C1] task:rcu_preempt state:R running task stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 213.554921][ C1] Call Trace: [ 213.558224][ C1] [ 213.561216][ C1] __schedule+0x1796/0x4a00 [ 213.565793][ C1] ? __pfx___schedule+0x10/0x10 [ 213.570683][ C1] ? __pfx_lock_release+0x10/0x10 [ 213.575734][ C1] ? __asan_memset+0x23/0x50 [ 213.580452][ C1] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 213.586412][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 213.592860][ C1] ? schedule+0x90/0x320 [ 213.597139][ C1] schedule+0x14b/0x320 [ 213.601337][ C1] schedule_timeout+0x1be/0x310 [ 213.606251][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 213.611677][ C1] ? __pfx_process_timeout+0x10/0x10 [ 213.617006][ C1] ? prepare_to_swait_event+0x32e/0x350 [ 213.622611][ C1] rcu_gp_fqs_loop+0x2df/0x1370 [ 213.627490][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 213.632762][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 213.637747][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 213.643070][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 213.648407][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 213.654367][ C1] ? finish_swait+0xd4/0x1e0 [ 213.659009][ C1] rcu_gp_kthread+0xa7/0x3b0 [ 213.663643][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 213.668867][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 213.674839][ C1] ? __kthread_parkme+0x169/0x1d0 [ 213.679898][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 213.685125][ C1] kthread+0x2f0/0x390 [ 213.689227][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 213.694454][ C1] ? __pfx_kthread+0x10/0x10 [ 213.699254][ C1] ret_from_fork+0x4b/0x80 [ 213.703712][ C1] ? __pfx_kthread+0x10/0x10 [ 213.708341][ C1] ret_from_fork_asm+0x1a/0x30 [ 213.713160][ C1] [ 213.716202][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 213.722582][ C1] CPU: 1 PID: 2441 Comm: kworker/u8:7 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 [ 213.732776][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 213.742863][ C1] Workqueue: events_unbound toggle_allocation_gate [ 213.749408][ C1] RIP: 0010:smp_call_function_many_cond+0x1899/0x2a00 [ 213.756206][ C1] Code: 89 e6 83 e6 01 31 ff e8 15 db 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 c0 d6 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 a4 d6 0b 00 eb e4 44 [ 213.775840][ C1] RSP: 0018:ffffc900099d76e0 EFLAGS: 00000293 [ 213.781938][ C1] RAX: 0000000000000000 RBX: 1ffff11017288c45 RCX: ffff888029ce0000 [ 213.789939][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 213.797934][ C1] RBP: ffffc900099d78e0 R08: ffffffff818a30bb R09: 1ffffffff25dfca0 [ 213.805934][ C1] R10: dffffc0000000000 R11: fffffbfff25dfca1 R12: dffffc0000000000 [ 213.813935][ C1] R13: ffff8880b9446228 R14: ffff8880b953f780 R15: 0000000000000000 [ 213.821934][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 213.830906][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.837537][ C1] CR2: 00007fb628bdf9f0 CR3: 000000000e134000 CR4: 00000000003506f0 [ 213.845560][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.853560][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.861557][ C1] Call Trace: [ 213.864862][ C1] [ 213.867735][ C1] ? rcu_check_gp_kthread_starvation+0x278/0x310 [ 213.874291][ C1] ? print_other_cpu_stall+0x14a4/0x15e0 [ 213.879983][ C1] ? __pfx_print_other_cpu_stall+0x10/0x10 [ 213.885829][ C1] ? timekeeping_advance+0x7e3/0xab0 [ 213.891155][ C1] ? kvm_check_and_clear_guest_paused+0x6a/0xd0 [ 213.897438][ C1] ? rcu_sched_clock_irq+0x9f4/0x10a0 [ 213.902852][ C1] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 213.908606][ C1] ? hrtimer_run_queues+0x16c/0x460 [ 213.913843][ C1] ? acct_account_cputime+0x207/0x210 [ 213.919256][ C1] ? update_process_times+0x1ce/0x230 [ 213.924660][ C1] ? tick_nohz_handler+0x37c/0x500 [ 213.929816][ C1] ? __pfx_tick_nohz_handler+0x10/0x10 [ 213.935312][ C1] ? __hrtimer_run_queues+0x55b/0xd50 [ 213.940763][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 213.946532][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 213.952664][ C1] ? hrtimer_interrupt+0x396/0x990 [ 213.957866][ C1] ? __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 213.964090][ C1] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 213.969960][ C1] [ 213.972919][ C1] [ 213.975882][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 213.982106][ C1] ? smp_call_function_many_cond+0x187b/0x2a00 [ 213.988319][ C1] ? smp_call_function_many_cond+0x1899/0x2a00 [ 213.994550][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 213.999638][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 214.005068][ C1] ? __pfx___text_poke+0x10/0x10 [ 214.010143][ C1] ? process_scheduled_works+0x91b/0x17c0 [ 214.015899][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 214.022263][ C1] ? __pfx___might_resched+0x10/0x10 [ 214.027578][ C1] ? __mutex_trylock_common+0x183/0x2e0 [ 214.033159][ C1] ? __pfx___might_resched+0x10/0x10 [ 214.038480][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 214.043541][ C1] on_each_cpu_cond_mask+0x3f/0x80 [ 214.048688][ C1] text_poke_bp_batch+0x352/0xb30 [ 214.053760][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 214.059372][ C1] ? __pfx___mutex_lock+0x10/0x10 [ 214.064432][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 214.070715][ C1] ? process_scheduled_works+0x91b/0x17c0 [ 214.076461][ C1] text_poke_finish+0x30/0x50 [ 214.081181][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 214.087196][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 214.093134][ C1] static_key_enable+0x1a/0x20 [ 214.098012][ C1] toggle_allocation_gate+0xb5/0x250 [ 214.103345][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 214.109276][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 214.115672][ C1] process_scheduled_works+0xa10/0x17c0 [ 214.121278][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 214.127300][ C1] ? assign_work+0x364/0x3d0 [ 214.131927][ C1] worker_thread+0x86d/0xd70 [ 214.136557][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 214.142491][ C1] ? __kthread_parkme+0x169/0x1d0 [ 214.147636][ C1] ? __pfx_worker_thread+0x10/0x10 [ 214.152775][ C1] kthread+0x2f0/0x390 [ 214.156875][ C1] ? __pfx_worker_thread+0x10/0x10 [ 214.162012][ C1] ? __pfx_kthread+0x10/0x10 [ 214.166635][ C1] ret_from_fork+0x4b/0x80 [ 214.171099][ C1] ? __pfx_kthread+0x10/0x10 [ 214.175722][ C1] ret_from_fork_asm+0x1a/0x30 [ 214.180630][ C1]