./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1680034282 <...> forked to background, child pid 4584 no interfaces have a carrier [ 121.666813][ T4585] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.709003][ T4585] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.81' (ECDSA) to the list of known hosts. execve("./syz-executor1680034282", ["./syz-executor1680034282"], 0x7fffb720d580 /* 10 vars */) = 0 brk(NULL) = 0x555556060000 brk(0x555556060c40) = 0x555556060c40 arch_prctl(ARCH_SET_FS, 0x555556060300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1680034282", 4096) = 28 brk(0x555556081c40) = 0x555556081c40 brk(0x555556082000) = 0x555556082000 mprotect(0x7f5076cec000, 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, child_tidptr=0x5555560605d0) = 5005 ./strace-static-x86_64: Process 5005 attached [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] setpgid(0, 0) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1000", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/sys/kernel/profiling", O_WRONLY) = 3 syzkaller login: [ 170.631665][ T5005] kernel profiling enabled (shift: 0) [ 171.341888][ C1] ===================================================== [ 171.349137][ C1] BUG: KMSAN: uninit-value in profile_tick+0x1dd/0x1e0 [ 171.356183][ C1] profile_tick+0x1dd/0x1e0 [ 171.360897][ C1] tick_sched_timer+0x5ea/0x700 [ 171.365957][ C1] __hrtimer_run_queues+0x583/0x1140 [ 171.371504][ C1] hrtimer_interrupt+0x4f8/0x1eb0 [ 171.376772][ C1] __sysvec_apic_timer_interrupt+0x14f/0x5b0 [ 171.382988][ C1] sysvec_apic_timer_interrupt+0x99/0xc0 [ 171.388846][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 171.395077][ C1] _raw_spin_unlock_irqrestore+0x33/0x50 [ 171.400935][ C1] __se_sys_ptrace+0x6fd/0x780 [ 171.405915][ C1] __x64_sys_ptrace+0xbd/0x110 [ 171.410880][ C1] do_syscall_64+0x41/0xc0 [ 171.415524][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 171.421731][ C1] [ 171.424172][ C1] Local variable pflags created at: [ 171.429494][ C1] mem_cgroup_handle_over_high+0x42/0x650 [ 171.435463][ C1] exit_to_user_mode_loop+0x193/0x320 [ 171.441072][ C1] [ 171.443515][ C1] CPU: 1 PID: 5001 Comm: strace-static-x Not tainted 6.2.0-syzkaller-81152-g97e36f4aa06f #0 [ 171.453801][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 171.464019][ C1] ===================================================== [ 171.471124][ C1] Disabling lock debugging due to kernel taint [ 171.477499][ C1] Kernel panic - not syncing: kmsan.panic set ... [ 171.484070][ C1] CPU: 1 PID: 5001 Comm: strace-static-x Tainted: G B 6.2.0-syzkaller-81152-g97e36f4aa06f #0 [ 171.495964][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 171.506273][ C1] Call Trace: [ 171.509691][ C1] [ 171.512665][ C1] dump_stack_lvl+0x1cc/0x260 [ 171.517608][ C1] dump_stack+0x1e/0x20 [ 171.522021][ C1] panic+0x4e1/0xc60 [ 171.526128][ C1] ? kmsan_get_shadow_origin_ptr+0x30/0xa0 [ 171.532207][ C1] ? add_taint+0x108/0x1a0 [ 171.536816][ C1] kmsan_report+0x2d0/0x2d0 [ 171.541569][ C1] ? __msan_warning+0x96/0x110 [ 171.546600][ C1] ? profile_tick+0x1dd/0x1e0 [ 171.551464][ C1] ? tick_sched_timer+0x5ea/0x700 [ 171.556706][ C1] ? __hrtimer_run_queues+0x583/0x1140 [ 171.562409][ C1] ? hrtimer_interrupt+0x4f8/0x1eb0 [ 171.567862][ C1] ? __sysvec_apic_timer_interrupt+0x14f/0x5b0 [ 171.574267][ C1] ? sysvec_apic_timer_interrupt+0x99/0xc0 [ 171.580305][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 171.586769][ C1] ? _raw_spin_unlock_irqrestore+0x33/0x50 [ 171.592801][ C1] ? __se_sys_ptrace+0x6fd/0x780 [ 171.597986][ C1] ? __x64_sys_ptrace+0xbd/0x110 [ 171.603144][ C1] ? do_syscall_64+0x41/0xc0 [ 171.607963][ C1] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 171.614318][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 171.620406][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 171.626511][ C1] ? run_posix_cpu_timers+0x4f9/0x8a0 [ 171.632142][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 171.638220][ C1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 171.644280][ C1] __msan_warning+0x96/0x110 [ 171.649217][ C1] profile_tick+0x1dd/0x1e0 [ 171.653926][ C1] ? __se_sys_ptrace+0x6fd/0x780 [ 171.659076][ C1] tick_sched_timer+0x5ea/0x700 [ 171.664165][ C1] ? tick_setup_sched_timer+0x7a0/0x7a0 [ 171.669946][ C1] __hrtimer_run_queues+0x583/0x1140 [ 171.675634][ C1] hrtimer_interrupt+0x4f8/0x1eb0 [ 171.680950][ C1] ? hrtimer_init+0x351/0x3a0 [ 171.685907][ C1] ? hrtimer_init+0x3a0/0x3a0 [ 171.690838][ C1] ? hrtimer_init+0x3a0/0x3a0 [ 171.695764][ C1] __sysvec_apic_timer_interrupt+0x14f/0x5b0 [ 171.702066][ C1] sysvec_apic_timer_interrupt+0x99/0xc0 [ 171.708176][ C1] [ 171.711239][ C1] [ 171.714306][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 171.720563][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x33/0x50 [ 171.727221][ C1] Code: 56 53 49 89 f6 48 89 fb e8 ea d4 a6 f3 48 89 df e8 52 c8 a6 f3 c6 00 00 c6 03 00 41 f7 c6 00 02 00 00 74 01 fb bf 01 00 00 00 d8 06 e1 f2 65 8b 05 89 fa 80 71 85 c0 74 05 5b 41 5e 5d c3 0f [ 171.747033][ C1] RSP: 0018:ffff88812024be18 EFLAGS: 00000206 [ 171.753300][ C1] RAX: ffff88811d787380 RBX: ffff88811df87380 RCX: 00000000005949a3 [ 171.761471][ C1] RDX: ffff88811db87380 RSI: 000000000595da30 RDI: 0000000000000001 [ 171.769631][ C1] RBP: ffff88812024be28 R08: ffffffff815d9a06 R09: ffff88811d787380 [ 171.777793][ C1] R10: ffff88812024bd38 R11: 0000000000000100 R12: 0000000000000000 [ 171.786030][ C1] R13: 0000000000000282 R14: 0000000000000282 R15: ffff88811d0dcc10 [ 171.794193][ C1] ? __se_sys_ptrace+0x496/0x780 [ 171.799354][ C1] ? _raw_spin_unlock_irqrestore+0x1e/0x50 [ 171.805383][ C1] __se_sys_ptrace+0x6fd/0x780 [ 171.810555][ C1] __x64_sys_ptrace+0xbd/0x110 [ 171.815630][ C1] do_syscall_64+0x41/0xc0 [ 171.820266][ C1] ? sysvec_apic_timer_interrupt+0x59/0xc0 [ 171.826265][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 171.832439][ C1] RIP: 0033:0x4e987a [ 171.836491][ 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 [ 171.856322][ C1] RSP: 002b:00007fffb720d120 EFLAGS: 00000206 ORIG_RAX: 0000000000000065 [ 171.864963][ C1] RAX: ffffffffffffffda RBX: 0000000001085368 RCX: 00000000004e987a [ 171.873125][ C1] RDX: 0000000000000000 RSI: 000000000000138c RDI: 0000000000000018 [ 171.881276][ C1] RBP: 0000000000000018 R08: 0000000000000017 R09: 000000000000038c [ 171.889414][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001086b90 [ 171.897560][ C1] R13: 0000000000000000 R14: 0000000001086b90 R15: 000000000063f160 [ 171.905735][ C1] [ 171.909151][ C1] Kernel Offset: disabled [ 171.913570][ C1] Rebooting in 86400 seconds..