./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4057555456 <...> Warning: Permanently added '10.128.0.134' (ED25519) to the list of known hosts. execve("./syz-executor4057555456", ["./syz-executor4057555456"], 0x7fff66c3d070 /* 10 vars */) = 0 brk(NULL) = 0x555556f76000 brk(0x555556f76d00) = 0x555556f76d00 arch_prctl(ARCH_SET_FS, 0x555556f76380) = 0 set_tid_address(0x555556f76650) = 295 set_robust_list(0x555556f76660, 24) = 0 rseq(0x555556f76ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4057555456", 4096) = 28 getrandom("\x7e\xa5\x09\x57\xa0\x1b\xe7\xcf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f76d00 brk(0x555556f97d00) = 0x555556f97d00 brk(0x555556f98000) = 0x555556f98000 mprotect(0x7f43b1473000, 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=0x555556f76650) = 296 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x555556f76660, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 [pid 296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=11, insns=0x20000180, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 3 [ 21.128313][ T28] audit: type=1400 audit(1705966631.147:66): avc: denied { execmem } for pid=295 comm="syz-executor405" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.134589][ T28] audit: type=1400 audit(1705966631.147:67): avc: denied { bpf } for pid=296 comm="syz-executor405" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 21.138666][ T28] audit: type=1400 audit(1705966631.157:68): avc: denied { prog_load } for pid=296 comm="syz-executor405" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.141444][ T296] BUG: unable to handle page fault for address: ffffffffff600000 [ 21.141457][ T296] #PF: supervisor read access in kernel mode [ 21.141466][ T296] #PF: error_code(0x0000) - not-present page [ 21.141474][ T296] PGD 6c12067 P4D 6c12067 PUD 6c14067 PMD 6c16067 PTE 0 [ 21.141506][ T296] Oops: 0000 [#1] PREEMPT SMP KASAN [ 21.142807][ T28] audit: type=1400 audit(1705966631.157:69): avc: denied { perfmon } for pid=296 comm="syz-executor405" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 21.143596][ T296] CPU: 1 PID: 296 Comm: syz-executor405 Not tainted 6.1.57-syzkaller-00059-g21c71a7d0e96 #0 [ 21.144369][ T28] audit: type=1400 audit(1705966631.157:70): avc: denied { prog_run } for pid=296 comm="syz-executor405" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.145268][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 21.145278][ T296] RIP: 0010:strncpy_from_kernel_nofault+0x92/0x1e0 [ 21.193991][ T296] Code: d0 48 c1 e8 03 48 89 45 c0 42 0f b6 04 30 84 c0 48 89 55 c8 0f 85 eb 00 00 00 ff 02 45 31 e4 48 8b 55 d0 4c 8b 7d b8 49 89 dd <42> 8a 1c 23 4a 8d 3c 22 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 21.213431][ T296] RSP: 0018:ffffc90000e57a68 EFLAGS: 00010046 [ 21.219329][ T296] RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff888108d51440 [ 21.227140][ T296] RDX: ffffc90000e57b08 RSI: ffffffffff600000 RDI: ffffffffff600000 [ 21.234954][ T296] RBP: ffffc90000e57ab0 R08: ffffffff8138c709 R09: ffffed10211aa289 [ 21.242763][ T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.250585][ T296] R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000008 [ 21.258387][ T296] FS: 0000555556f76380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.267153][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.273575][ T296] CR2: ffffffffff600000 CR3: 0000000121914000 CR4: 00000000003506a0 [ 21.281390][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.289200][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.297010][ T296] Call Trace: [ 21.300136][ T296] [ 21.302917][ T296] ? __die_body+0x62/0xb0 [ 21.307076][ T296] ? __die+0x7e/0x90 [ 21.310810][ T296] ? 0xffffffffff600000 [ 21.314802][ T296] ? page_fault_oops+0x7f9/0xa90 [ 21.319576][ T296] ? 0xffffffffff600000 [ 21.323570][ T296] ? kernelmode_fixup_or_oops+0x270/0x270 [ 21.329132][ T296] ? cpudl_cleanup+0x40/0x40 [ 21.333591][ T296] ? ttwu_do_wakeup+0xe5/0x430 [ 21.338157][ T296] ? __update_load_avg_cfs_rq+0xb1/0x2f0 [ 21.343621][ T296] ? 0xffffffffff600000 [ 21.347611][ T296] ? exc_page_fault+0x537/0x700 [ 21.352305][ T296] ? 0xffffffffff600000 [ 21.356380][ T296] ? asm_exc_page_fault+0x27/0x30 [ 21.361242][ T296] ? 0xffffffffff600000 [ 21.365230][ T296] ? 0xffffffffff600000 [ 21.369222][ T296] ? copy_from_kernel_nofault_allowed+0x79/0xe0 [ 21.375299][ T296] ? 0xffffffffff600000 [ 21.379293][ T296] ? 0xffffffffff600000 [ 21.383292][ T296] ? strncpy_from_kernel_nofault+0x92/0x1e0 [ 21.389013][ T296] ? strncpy_from_kernel_nofault+0x41/0x1e0 [ 21.394741][ T296] ? 0xffffffffff600000 [ 21.398733][ T296] bpf_probe_read_compat_str+0x112/0x180 [ 21.404200][ T296] bpf_prog_f17ebaf3f5f7baf8+0x3a/0x3c [ 21.409496][ T296] bpf_trace_run4+0x18d/0x2f0 [ 21.414008][ T296] ? bpf_trace_run3+0x2e0/0x2e0 [ 21.418697][ T296] ? psi_task_switch+0x586/0x880 [ 21.423469][ T296] __bpf_trace_sched_switch+0xe/0x10 [ 21.428686][ T296] __schedule+0x12f7/0x1540 [ 21.433017][ T296] ? __sched_text_start+0x8/0x8 [ 21.437769][ T296] ? __kasan_check_read+0x11/0x20 [ 21.442569][ T296] ? cgroup_update_frozen+0x15f/0x980 [ 21.447774][ T296] ? bpf_obj_get_info_by_fd+0x3e60/0x3e60 [ 21.453325][ T296] schedule+0xc3/0x180 [ 21.457232][ T296] ptrace_stop+0x54f/0x930 [ 21.461489][ T296] ptrace_notify+0x225/0x350 [ 21.465910][ T296] ? do_notify_parent+0xa20/0xa20 [ 21.470771][ T296] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 21.476677][ T296] ? exit_to_user_mode_prepare+0x39/0xa0 [ 21.482140][ T296] syscall_exit_to_user_mode+0xa2/0x140 [ 21.487523][ T296] do_syscall_64+0x49/0xb0 [ 21.491787][ T296] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 21.497511][ T296] RIP: 0033:0x7f43b1400b39 [ 21.501757][ T296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 21.521201][ T296] RSP: 002b:00007ffeb07bc8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 21.529538][ T296] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00007f43b1400b39 [ 21.537348][ T296] RDX: 0000000000000010 RSI: 0000000020000280 RDI: 0000000000000011 [ 21.545151][ T296] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 21.552966][ T296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000003a28 [ 21.560777][ T296] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 21.568603][ T296] [ 21.571451][ T296] Modules linked in: [ 21.575199][ T296] CR2: ffffffffff600000 [ 21.579180][ T296] ---[ end trace 0000000000000000 ]--- [ 21.584485][ T296] RIP: 0010:strncpy_from_kernel_nofault+0x92/0x1e0 [ 21.590808][ T296] Code: d0 48 c1 e8 03 48 89 45 c0 42 0f b6 04 30 84 c0 48 89 55 c8 0f 85 eb 00 00 00 ff 02 45 31 e4 48 8b 55 d0 4c 8b 7d b8 49 89 dd <42> 8a 1c 23 4a 8d 3c 22 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 21.610249][ T296] RSP: 0018:ffffc90000e57a68 EFLAGS: 00010046 [ 21.616149][ T296] RAX: 0000000000000000 RBX: ffffffffff600000 RCX: ffff888108d51440 [ 21.623966][ T296] RDX: ffffc90000e57b08 RSI: ffffffffff600000 RDI: ffffffffff600000 [ 21.631772][ T296] RBP: ffffc90000e57ab0 R08: ffffffff8138c709 R09: ffffed10211aa289 [ 21.639583][ T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.647395][ T296] R13: ffffffffff600000 R14: dffffc0000000000 R15: 0000000000000008 [ 21.655208][ T296] FS: 0000555556f76380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.663974][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.670505][ T296] CR2: ffffffffff600000 CR3: 0000000121914000 CR4: 00000000003506a0 [ 21.678316][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.686120][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.693935][ T296] Kernel panic - not syncing: Fatal exception [ 22.804088][ T296] Shutting down cpus with NMI [ 22.809044][ T296] Kernel Offset: disabled [ 22.813173][ T296] Rebooting in 86400 seconds..