./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2138254537 <...> Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts. execve("./syz-executor2138254537", ["./syz-executor2138254537"], 0x7ffdbe732480 /* 10 vars */) = 0 brk(NULL) = 0x555555842000 brk(0x555555842d00) = 0x555555842d00 arch_prctl(ARCH_SET_FS, 0x555555842380) = 0 set_tid_address(0x555555842650) = 5058 set_robust_list(0x555555842660, 24) = 0 rseq(0x555555842ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2138254537", 4096) = 28 getrandom("\xfb\xdc\x18\x7b\xa7\x38\xf5\x2c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555842d00 brk(0x555555863d00) = 0x555555863d00 brk(0x555555864000) = 0x555555864000 mprotect(0x7f1784bff000, 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 5059 attached , child_tidptr=0x555555842650) = 5059 [pid 5059] set_robust_list(0x555555842660, 24) = 0 [pid 5059] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setsid() = 1 [pid 5059] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5059] unshare(CLONE_NEWNS) = 0 [pid 5059] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5059] unshare(CLONE_NEWIPC) = 0 [pid 5059] unshare(CLONE_NEWCGROUP) = 0 [pid 5059] unshare(CLONE_NEWUTS) = 0 [pid 5059] unshare(CLONE_SYSVSEM) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "16777216", 8) = 8 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "536870912", 9) = 9 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "8192", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5059] close(3) = 0 [pid 5059] getpid() = 1 [pid 5059] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 56.860445][ C0] dump_stack_lvl+0x1e7/0x2e0 [ 56.865121][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 56.870303][ C0] ? __pfx__printk+0x10/0x10 [ 56.874883][ C0] lockdep_rcu_suspicious+0x220/0x340 [ 56.880248][ C0] hash_netportnet6_destroy+0xf0/0x2c0 [ 56.885706][ C0] ? rcu_core+0xcfc/0x1810 [ 56.890110][ C0] ip_set_destroy_set_rcu+0x6a/0xe0 [ 56.895297][ C0] ? __pfx_ip_set_destroy_set_rcu+0x10/0x10 [ 56.901172][ C0] ? rcu_core+0xcfc/0x1810 [ 56.905575][ C0] rcu_core+0xd76/0x1810 [ 56.909811][ C0] ? __pfx_rcu_core+0x10/0x10 [ 56.914479][ C0] ? rebalance_domains+0x949/0xac0 [ 56.919582][ C0] ? rebalance_domains+0x1b9/0xac0 [ 56.924678][ C0] ? __pfx_rebalance_domains+0x10/0x10 [ 56.930123][ C0] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.935313][ C0] __do_softirq+0x2bb/0x942 [ 56.939805][ C0] ? __irq_exit_rcu+0xf1/0x1c0 [ 56.944552][ C0] ? __pfx___do_softirq+0x10/0x10 [ 56.949563][ C0] ? irqtime_account_irq+0xd4/0x1e0 [ 56.954770][ C0] __irq_exit_rcu+0xf1/0x1c0 [ 56.959359][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 56.964566][ C0] irq_exit_rcu+0x9/0x30 [ 56.968802][ C0] sysvec_apic_timer_interrupt+0x97/0xb0 [ 56.974425][ C0] [ 56.977342][ C0] [ 56.980256][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 56.986222][ C0] RIP: 0010:acpi_safe_halt+0x20/0x30 [ 56.991495][ C0] Code: 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 58 ea a5 74 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d c6 5c a9 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 57.011106][ C0] RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 [ 57.017166][ C0] RAX: ffffffff8de94680 RBX: ffff88801628e864 RCX: 00000000000148c9 [ 57.025118][ C0] RDX: 0000000000000001 RSI: ffff88801628e800 RDI: ffff88801628e864 [ 57.033079][ C0] RBP: 0000000000038f78 R08: ffff8880b9436d8b R09: 1ffff11017286db1 [ 57.041035][ C0] R10: dffffc0000000000 R11: ffffffff8b5dd030 R12: ffff888015b47000 [ 57.048987][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e885a20 [ 57.056946][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 57.062226][ C0] acpi_idle_enter+0xe4/0x140 [ 57.066889][ C0] cpuidle_enter_state+0x118/0x490 [ 57.071984][ C0] ? __pfx_menu_select+0x10/0x10 [ 57.076906][ C0] cpuidle_enter+0x5d/0xa0 [ 57.081307][ C0] do_idle+0x374/0x5d0 [ 57.085367][ C0] ? __pfx___schedule+0x10/0x10 [ 57.090203][ C0] ? __pfx_do_idle+0x10/0x10 [ 57.094782][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 57.100658][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 57.106970][ C0] ? rest_init+0x35/0x300 [pid 5059] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=1, si_utime=0, si_stime=9 /* 0.09 s */} --- exit_group(0) = ? +++ exited with 0 +++ [ 57.111284][ C0] ? rest_init+0