./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor294659067 <...> Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. execve("./syz-executor294659067", ["./syz-executor294659067"], 0x7fffeca82490 /* 10 vars */) = 0 brk(NULL) = 0x555584c59000 brk(0x555584c59e00) = 0x555584c59e00 arch_prctl(ARCH_SET_FS, 0x555584c59480) = 0 set_tid_address(0x555584c59750) = 5855 set_robust_list(0x555584c59760, 24) = 0 rseq(0x555584c59da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor294659067", 4096) = 27 getrandom("\xf2\x73\xda\xaf\x8d\x35\xd8\xa4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584c59e00 brk(0x555584c7ae00) = 0x555584c7ae00 brk(0x555584c7b000) = 0x555584c7b000 mprotect(0x7f4a92e1f000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 chmod("/dev/raw-gadget", 0666) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f4a92d6f9e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4a92d7b450}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4a92d6f9e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4a92d7b450}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x555584c59750) = 5856 [pid 5856] set_robust_list(0x555584c59760, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] getppid() = 0 [pid 5856] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5856] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5856] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5856] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5856] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5856] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5856] unshare(CLONE_NEWNS) = 0 [pid 5856] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5856] unshare(CLONE_NEWIPC) = 0 [pid 5856] unshare(CLONE_NEWCGROUP) = 0 [pid 5856] unshare(CLONE_NEWUTS) = 0 [pid 5856] unshare(CLONE_SYSVSEM) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "16777216", 8) = 8 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "536870912", 9) = 9 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1024", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "8192", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1024", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1024", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5856] close(3) = 0 [pid 5856] getpid() = 1 [pid 5856] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5867] set_robust_list(0x555584c59760, 24 [pid 5856] <... clone resumed>, child_tidptr=0x555584c59750) = 2 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5867] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5867] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5867] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5867] read(200, 0x7ffcc6403790, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5867] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=16}) = 0 [pid 5867] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [ 189.535532][ C1] hrtimer: interrupt took 7280448 ns [pid 5867] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xa4\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x10\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\x74\x00\x02\x00\x56\x00\x01\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\x01\x00\x08\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfd\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=164}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_EOR|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH}, 0) = 164 [pid 5867] close(3 [pid 5856] kill(-2, SIGKILL) = 0 [pid 5856] kill(2, SIGKILL) = 0 [pid 5867] <... close resumed>) = ? [pid 5867] +++ killed by SIGKILL +++ [pid 5856] --- 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 5856] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached [pid 5871] set_robust_list(0x555584c59760, 24 [pid 5856] <... clone resumed>, child_tidptr=0x555584c59750) = 3 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5871] setpgid(0, 0) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3) = 0 [pid 5871] read(200, 0x7ffcc6403790, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] write(1, "executing program\n", 18executing program ) = 18 [pid 5871] socket(AF_PACKET, SOCK_RAW, htons(0 /* ETH_P_??? */)) = 3 [pid 5871] ioctl(3, SIOCGIFINDEX, {ifr_name="team0", ifr_ifindex=16}) = 0 [pid 5871] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5871] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\xa4\x00\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x12\x00\x10\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\x74\x00\x02\x00\x56\x00\x01\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\x01\x00\x08\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfd\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=164}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_EOR|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH}, 0) = 164 [pid 5871] close(3 [pid 5856] kill(-3, SIGKILL) = 0 [pid 5856] kill(3, SIGKILL) = 0 [pid 5856] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5856] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5856] getdents64(3, 0x555584c5a7f0 /* 2 entries */, 32768) = 48 [pid 5856] getdents64(3, 0x555584c5a7f0 /* 0 entries */, 32768) = 0 [pid 5856] close(3) = 0 [ 371.213928][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 371.220992][ C0] rcu: 1-...0: (1 GPs behind) idle=9b14/1/0x4000000000000000 softirq=11856/11857 fqs=5250 [ 371.231532][ C0] rcu: hardirqs softirqs csw/system [ 371.237963][ C0] rcu: number: 0 0 0 [ 371.244397][ C0] rcu: cputime: 0 0 0 ==> 52500(ms) [ 371.252220][ C0] rcu: (detected by 0, t=10502 jiffies, g=11145, q=721 ncpus=2) [ 371.259971][ C0] Sending NMI from CPU 0 to CPUs 1: [ 371.260005][ C1] NMI backtrace for cpu 1 [ 371.260036][ C1] CPU: 1 UID: 0 PID: 2151 Comm: kworker/1:2 Not tainted 6.14.0-rc6-syzkaller-00103-g4003c9e78778 #0 [ 371.260055][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 371.260067][ C1] Workqueue: events_power_efficient gc_worker [ 371.260168][ C1] RIP: 0010:__kasan_check_write+0xa/0x20 [ 371.260224][ C1] Code: ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 f6 48 8b 0c 24 01 00 00 00 e9 bc e6 ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 [ 371.260238][ C1] RSP: 0018:ffffc90000a28b78 EFLAGS: 00000006 [ 371.260252][ C1] RAX: ffffffff89ca77ef RBX: ffffffff8a0500b2 RCX: ffffffff89ca7801 [ 371.260266][ C1] RDX: 0000000000010000 RSI: 0000000000000008 RDI: ffff88807cdb0158 [ 371.260277][ C1] RBP: ffffc90000a28c60 R08: ffffffff8a0500e2 R09: 1ffffffff28a9908 [ 371.260290][ C1] R10: dffffc0000000000 R11: fffffbfff28a9909 R12: ffff88807cdb0000 [ 371.260303][ C1] R13: dffffc0000000000 R14: 1ffff92000145174 R15: ffff88807cdb0360 [ 371.260316][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 371.260330][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 371.260342][ C1] CR2: 0000400000000600 CR3: 00000000358b4000 CR4: 00000000003526f0 [ 371.260357][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 371.260367][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 371.260378][ C1] Call Trace: [ 371.260385][ C1] [ 371.260393][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 371.260415][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 371.260466][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 371.260486][ C1] ? nmi_handle+0x2a/0x5a0 [ 371.260537][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 371.260572][ C1] ? nmi_handle+0x14f/0x5a0 [ 371.260597][ C1] ? nmi_handle+0x2a/0x5a0 [ 371.260627][ C1] ? __kasan_check_write+0xa/0x20 [ 371.260643][ C1] ? default_do_nmi+0x63/0x160 [ 371.260663][ C1] ? exc_nmi+0x123/0x1f0 [ 371.260681][ C1] ? end_repeat_nmi+0xf/0x53 [ 371.260724][ C1] ? advance_sched+0xa02/0xca0 [ 371.260745][ C1] ? advance_sched+0xa32/0xca0 [ 371.260765][ C1] ? __netif_schedule+0x7f/0x310 [ 371.260781][ C1] ? __netif_schedule+0x91/0x310 [ 371.260797][ C1] ? __kasan_check_write+0xa/0x20 [ 371.260814][ C1] ? __kasan_check_write+0xa/0x20 [ 371.260831][ C1] ? __kasan_check_write+0xa/0x20 [ 371.260848][ C1] [ 371.260854][ C1] [ 371.260859][ C1] __netif_schedule+0x91/0x310 [ 371.260876][ C1] ? __pfx_lock_release+0x10/0x10 [ 371.260901][ C1] ? __pfx___netif_schedule+0x10/0x10 [ 371.260920][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 371.260941][ C1] ? taprio_set_budgets+0x32c/0x370 [ 371.260963][ C1] ? advance_sched+0xa02/0xca0 [ 371.260983][ C1] ? advance_sched+0xa02/0xca0 [ 371.261005][ C1] advance_sched+0xaa9/0xca0 [ 371.261033][ C1] ? __pfx_advance_sched+0x10/0x10 [ 371.261054][ C1] __hrtimer_run_queues+0x59b/0xd30 [ 371.261098][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 371.261117][ C1] ? read_tsc+0x9/0x20 [ 371.261142][ C1] ? ktime_get_update_offsets_now+0x38e/0x3b0 [ 371.261170][ C1] hrtimer_interrupt+0x403/0xa40 [ 371.261199][ C1] __sysvec_apic_timer_interrupt+0x110/0x420 [ 371.261228][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 371.261251][ C1] [ 371.261257][ C1] [ 371.261263][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 371.261287][ C1] RIP: 0010:seqcount_lockdep_reader_access+0x1e0/0x220 [ 371.261310][ C1] Code: f7 4d 85 ed 75 16 e8 8f 82 aa f7 eb 15 e8 88 82 aa f7 e8 b3 61 f1 01 4d 85 ed 74 ea e8 79 82 aa f7 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00 [ 371.261323][ C1] RSP: 0018:ffffc900052d7900 EFLAGS: 00000293 [ 371.261337][ C1] RAX: ffffffff8a175c97 RBX: 0000000000000000 RCX: ffff88802adc0000 [ 371.261349][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 371.261358][ C1] RBP: ffffc900052d79b0 R08: ffffffff8a175c6d R09: 1ffffffff28a991c [ 371.261371][ C1] R10: dffffc0000000000 R11: fffffbfff28a991d R12: dffffc0000000000 [ 371.261383][ C1] R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000a5af20 [ 371.261398][ C1] ? seqcount_lockdep_reader_access+0x1ad/0x220 [ 371.261419][ C1] ? seqcount_lockdep_reader_access+0x1d7/0x220 [ 371.261444][ C1] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 371.261465][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 371.261493][ C1] gc_worker+0x316/0x1400 [ 371.261516][ C1] ? gc_worker+0x272/0x1400 [ 371.261541][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 371.261569][ C1] ? __pfx_gc_worker+0x10/0x10 [ 371.261595][ C1] ? process_scheduled_works+0x9c6/0x18e0 [ 371.261623][ C1] process_scheduled_works+0xabe/0x18e0 [ 371.261657][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 371.261684][ C1] ? assign_work+0x364/0x3d0 [ 371.261707][ C1] worker_thread+0x870/0xd30 [ 371.261735][ C1] ? __kthread_parkme+0x169/0x1d0 [ 371.261760][ C1] ? __pfx_worker_thread+0x10/0x10 [ 371.261783][ C1] kthread+0x7a9/0x920 [ 371.261807][ C1] ? __pfx_kthread+0x10/0x10 [ 371.261833][ C1] ? __pfx_worker_thread+0x10/0x10 [ 371.261855][ C1] ? __pfx_kthread+0x10/0x10 [ 371.261880][ C1] ? __pfx_kthread+0x10/0x10 [ 371.261907][ C1] ? __pfx_kthread+0x10/0x10 [ 371.261931][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 371.261952][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 371.261974][ C1] ? __pfx_kthread+0x10/0x10 [ 371.262000][ C1] ret_from_fork+0x4b/0x80 [ 371.262023][ C1] ? __pfx_kthread+0x10/0x10 [ 371.262048][ C1] ret_from_fork_asm+0x1a/0x30 [ 371.262090][ C1] [ 371.262098][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.092 msecs