./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3990748504 <...> Warning: Permanently added '10.128.0.37' (ED25519) to the list of known hosts. execve("./syz-executor3990748504", ["./syz-executor3990748504"], 0x7fff96d12790 /* 10 vars */) = 0 brk(NULL) = 0x555557368000 brk(0x555557368d00) = 0x555557368d00 arch_prctl(ARCH_SET_FS, 0x555557368380) = 0 set_tid_address(0x555557368650) = 5007 set_robust_list(0x555557368660, 24) = 0 rseq(0x555557368ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3990748504", 4096) = 28 getrandom("\xad\x89\xad\x7c\x92\xc7\xb2\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557368d00 brk(0x555557389d00) = 0x555557389d00 brk(0x55555738a000) = 0x55555738a000 mprotect(0x7f969c030000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5008 attached , child_tidptr=0x555557368650) = 5008 [pid 5008] set_robust_list(0x555557368660, 24) = 0 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] setpgid(0, 0) = 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5008] write(3, "1000", 4) = 4 [pid 5008] close(3) = 0 [pid 5008] openat(AT_FDCWD, "/sys/kernel/profiling", O_RDWR) = 3 [ 147.317275][ T5008] kernel profiling enabled (shift: 0) [ 147.763058][ C1] ===================================================== [ 147.770292][ C1] BUG: KMSAN: uninit-value in profile_tick+0x1a8/0x1b0 [ 147.777317][ C1] profile_tick+0x1a8/0x1b0 [ 147.781985][ C1] tick_nohz_highres_handler+0x595/0x690 [ 147.787907][ C1] __hrtimer_run_queues+0x570/0x1110 [ 147.793393][ C1] hrtimer_interrupt+0x47b/0x14a0 [ 147.798872][ C1] __sysvec_apic_timer_interrupt+0x9f/0x390 [ 147.805945][ C1] sysvec_apic_timer_interrupt+0x75/0x90 [ 147.813466][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 147.819755][ C1] _raw_spin_unlock_irqrestore+0x33/0x60 [ 147.825597][ C1] wait_task_inactive+0x318/0x670 [ 147.830835][ C1] ptrace_check_attach+0x51d/0x5f0 [ 147.836407][ C1] __se_sys_ptrace+0x269/0x750 [ 147.841354][ C1] __x64_sys_ptrace+0xbd/0x110 [ 147.846295][ C1] do_syscall_64+0x6d/0x140 [ 147.850989][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 147.857099][ C1] [ 147.859511][ C1] Local variable iovstack_r created at: [ 147.865157][ C1] process_vm_rw+0x77/0x1a60 [ 147.869948][ C1] __x64_sys_process_vm_readv+0x11f/0x1a0 [ 147.875878][ C1] [ 147.878297][ C1] CPU: 1 PID: 5004 Comm: strace-static-x Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 [ 147.888884][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 147.899199][ C1] ===================================================== [ 147.906501][ C1] Disabling lock debugging due to kernel taint [ 147.912840][ C1] Kernel panic - not syncing: kmsan.panic set ... [ 147.919381][ C1] CPU: 1 PID: 5004 Comm: strace-static-x Tainted: G B 6.7.0-syzkaller-00562-g9f8413c4a66f #0 [ 147.931108][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 147.941315][ C1] Call Trace: [ 147.944763][ C1] [ 147.947738][ C1] dump_stack_lvl+0x1bf/0x240 [ 147.952633][ C1] dump_stack+0x1e/0x20 [ 147.956988][ C1] panic+0x4de/0xc90 [ 147.961066][ C1] ? add_taint+0x108/0x1a0 [ 147.965752][ C1] kmsan_report+0x2d0/0x2d0 [ 147.970564][ C1] ? __msan_warning+0x96/0x110 [ 147.975551][ C1] ? profile_tick+0x1a8/0x1b0 [ 147.980393][ C1] ? tick_nohz_highres_handler+0x595/0x690 [ 147.986570][ C1] ? __hrtimer_run_queues+0x570/0x1110 [ 147.992238][ C1] ? hrtimer_interrupt+0x47b/0x14a0 [ 148.000165][ C1] ? __sysvec_apic_timer_interrupt+0x9f/0x390 [ 148.006919][ C1] ? sysvec_apic_timer_interrupt+0x75/0x90 [ 148.013126][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 148.020008][ C1] ? _raw_spin_unlock_irqrestore+0x33/0x60 [ 148.026380][ C1] ? wait_task_inactive+0x318/0x670 [ 148.031777][ C1] ? ptrace_check_attach+0x51d/0x5f0 [ 148.037256][ C1] ? __se_sys_ptrace+0x269/0x750 [ 148.042380][ C1] ? __x64_sys_ptrace+0xbd/0x110 [ 148.047511][ C1] ? do_syscall_64+0x6d/0x140 [ 148.052385][ C1] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 148.058673][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 148.064715][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 148.070757][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 148.076790][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 148.082832][ C1] __msan_warning+0x96/0x110 [ 148.087634][ C1] profile_tick+0x1a8/0x1b0 [ 148.092320][ C1] ? wait_task_inactive+0x318/0x670 [ 148.097718][ C1] tick_nohz_highres_handler+0x595/0x690 [ 148.108226][ C1] ? tick_setup_sched_timer+0x650/0x650 [ 148.114112][ C1] __hrtimer_run_queues+0x570/0x1110 [ 148.119623][ C1] hrtimer_interrupt+0x47b/0x14a0 [ 148.124845][ C1] ? kmsan_get_shadow_origin_ptr+0x30/0xa0 [ 148.131506][ C1] ? hrtimer_init+0x3a0/0x3a0 [ 148.136394][ C1] ? hrtimer_init+0x3a0/0x3a0 [ 148.141291][ C1] __sysvec_apic_timer_interrupt+0x9f/0x390 [ 148.147403][ C1] sysvec_apic_timer_interrupt+0x75/0x90 [ 148.153214][ C1] [ 148.156232][ C1] [ 148.159273][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 148.165509][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x33/0x60 [ 148.172166][ C1] Code: 56 53 49 89 f6 48 89 fb e8 9a b3 8d f3 48 89 df e8 02 a7 8d f3 c6 00 00 c6 03 00 41 f7 c6 00 02 00 00 74 01 fb be 04 00 00 00 <48> c7 c7 88 48 0a 00 e8 a1 a8 8d f3 65 ff 0d a2 b5 60 71 74 05 5b [ 148.191970][ C1] RSP: 0018:ffff88812e807cc0 EFLAGS: 00000206 [ 148.198203][ C1] RAX: ffff888113ee290c RBX: ffff8881146e290c RCX: 0000000000564e6a [ 148.206426][ C1] RDX: ffff8881142e290c RSI: 0000000000000004 RDI: ffffea000000000f [ 148.214568][ C1] RBP: ffff88812e807cd0 R08: 0000000000000000 R09: 0000000000000000 [ 148.222699][ C1] R10: ffff88823fc7d0c0 R11: ffff888116a68000 R12: ffff8881146e2098 [ 148.230827][ C1] R13: ffff8881146e290c R14: 0000000000000296 R15: 0000000000000296 [ 148.238990][ C1] wait_task_inactive+0x318/0x670 [ 148.244245][ C1] ptrace_check_attach+0x51d/0x5f0 [ 148.249568][ C1] __se_sys_ptrace+0x269/0x750 [ 148.254539][ C1] __x64_sys_ptrace+0xbd/0x110 [ 148.259499][ C1] do_syscall_64+0x6d/0x140 [ 148.264202][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 148.270399][ C1] RIP: 0033:0x4e987a [ 148.274433][ C1] Code: 70 41 83 f8 03 c7 44 24 10 08 00 00 00 48 89 44 24 18 48 8d 44 24 30 8b 70 08 4c 0f 43 d1 48 89 44 24 20 b8 65 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3e 48 85 c0 78 06 41 83 f8 02 76 1b 48 8b 54 [ 148.294324][ C1] RSP: 002b:00007fff96d12330 EFLAGS: 00000206 ORIG_RAX: 0000000000000065 [ 148.305025][ C1] RAX: ffffffffffffffda RBX: 0000000000c05368 RCX: 00000000004e987a [ 148.313789][ C1] RDX: 0000000000000000 RSI: 000000000000138f RDI: 0000000000000018 [ 148.322382][ C1] RBP: 0000000000000018 R08: 0000000000000017 R09: 000000000000038f [ 148.330524][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000c06b90 [ 148.338670][ C1] R13: 0000000000000000 R14: 0000000000c06b90 R15: 000000000063f160 [ 148.346826][ C1] [ 148.350219][ C1] Kernel Offset: disabled [ 148.354632][ C1] Rebooting in 86400 seconds..