./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1638115859 <...> Warning: Permanently added '10.128.0.5' (ED25519) to the list of known hosts. execve("./syz-executor1638115859", ["./syz-executor1638115859"], 0x7ffc28d3dcc0 /* 10 vars */) = 0 brk(NULL) = 0x555562f92000 brk(0x555562f92d00) = 0x555562f92d00 arch_prctl(ARCH_SET_FS, 0x555562f92380) = 0 set_tid_address(0x555562f92650) = 5848 set_robust_list(0x555562f92660, 24) = 0 rseq(0x555562f92ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1638115859", 4096) = 28 getrandom("\xef\x82\x9a\x15\xb7\x36\xb9\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555562f92d00 brk(0x555562fb3d00) = 0x555562fb3d00 brk(0x555562fb4000) = 0x555562fb4000 mprotect(0x7fb185d44000, 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 5849 attached [pid 5849] set_robust_list(0x555562f92660, 24 [pid 5848] <... clone resumed>, child_tidptr=0x555562f92650) = 5849 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 executing program [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] perf_event_open({type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=2048, sample_period=0, sample_type=0, read_format=0, inherit=1, pinned=1, precise_ip=0 /* arbitrary skid */, namespaces=1, ...}, 0, 0, -1, 0) = 3 [pid 5849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_TRACEPOINT, insn_cnt=5, insns=0x200005c0, 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_INET6_GETPEERNAME, 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, ...}, 148) = 4 [pid 5849] ioctl(3, PERF_EVENT_IOC_SET_BPF, 4) = 0 [pid 5849] clone(child_stack=0xfffffffffffffd70, flags=CLONE_VFORK|CLONE_SETTLS|CLONE_PARENT_SETTID./strace-static-x86_64: Process 5850 attached [pid 5850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0xfffffffffffffd70} --- [pid 5849] <... clone resumed>, parent_tid=NULL, tls=NULL) = 5850 [pid 5849] exit_group(0 [pid 5850] +++ killed by SIGSEGV +++ [pid 5849] <... exit_group resumed>) = ? [ 62.319503][ T5849] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.332109][ T5849] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 62.340513][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor163 Not tainted 6.12.0-syzkaller-09099-ge2cf913314b9 #0 [ 62.351253][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.361302][ T5849] RIP: 0010:bpf_prog_array_delete_safe+0x2d/0xc0 [ 62.367649][ T5849] Code: 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fd 49 bc 00 00 00 00 00 fc ff df e8 ce 84 f0 ff 4d 8d 75 10 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 54 6b 5b 00 49 8b 1e 48 85 db 74 [ 62.387252][ T5849] RSP: 0018:ffffc90003bbf970 EFLAGS: 00010202 [ 62.393310][ T5849] RAX: 0000000000000002 RBX: 1ffff92000777f38 RCX: ffff888034671e00 [ 62.401271][ T5849] RDX: 0000000000000000 RSI: ffffc90000abe000 RDI: 0000000000000000 [ 62.409229][ T5849] RBP: ffffc90003bbfa48 R08: ffffffff81a1aa9e R09: 1ffffffff203c816 [ 62.417191][ T5849] R10: dffffc0000000000 R11: fffffbfff203c817 R12: dffffc0000000000 [ 62.425153][ T5849] R13: 0000000000000000 R14: 0000000000000010 R15: ffffc90000abe000 [ 62.433113][ T5849] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.442031][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.448606][ T5849] CR2: 00007fb185cb0190 CR3: 000000000e738000 CR4: 00000000003526f0 [ 62.456571][ T5849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.464530][ T5849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.472490][ T5849] Call Trace: [ 62.475759][ T5849] [ 62.478681][ T5849] ? __die_body+0x5f/0xb0 [ 62.483005][ T5849] ? die_addr+0xb0/0xe0 [ 62.487150][ T5849] ? exc_general_protection+0x3dd/0x5d0 [ 62.492704][ T5849] ? asm_exc_general_protection+0x26/0x30 [ 62.498421][ T5849] ? perf_event_detach_bpf_prog+0x19e/0x330 [ 62.504309][ T5849] ? bpf_prog_array_delete_safe+0x2d/0xc0 [ 62.510021][ T5849] perf_event_detach_bpf_prog+0x2b0/0x330 [ 62.515736][ T5849] ? __pfx_perf_event_detach_bpf_prog+0x10/0x10 [ 62.521974][ T5849] _free_event+0xb04/0xf60 [ 62.526392][ T5849] perf_event_release_kernel+0x7c1/0x850 [ 62.532025][ T5849] ? __pfx_perf_event_release_kernel+0x10/0x10 [ 62.538172][ T5849] ? __pfx_call_rcu+0x10/0x10 [ 62.542843][ T5849] perf_release+0x38/0x40 [ 62.547162][ T5849] ? __pfx_perf_release+0x10/0x10 [ 62.552173][ T5849] __fput+0x23c/0xa50 [ 62.556151][ T5849] task_work_run+0x24f/0x310 [ 62.560734][ T5849] ? __pfx_task_work_run+0x10/0x10 [ 62.565838][ T5849] ? switch_task_namespaces+0xe4/0x110 [ 62.571294][ T5849] do_exit+0xa2f/0x28e0 [ 62.575444][ T5849] ? __pfx_do_exit+0x10/0x10 [ 62.580022][ T5849] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 62.585995][ T5849] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.592314][ T5849] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.597507][ T5849] ? lockdep_hardirqs_on+0x99/0x150 [ 62.602699][ T5849] do_group_exit+0x207/0x2c0 [ 62.607281][ T5849] __x64_sys_exit_group+0x3f/0x40 [ 62.612296][ T5849] x64_sys_call+0x26a8/0x26b0 [ 62.616965][ T5849] do_syscall_64+0xf3/0x230 [ 62.621462][ T5849] ? clear_bhb_loop+0x35/0x90 [ 62.626131][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.632020][ T5849] RIP: 0033:0x7fb185ccedc9 [ 62.636432][ T5849] Code: Unable to access opcode bytes at 0x7fb185cced9f. [ 62.643434][ T5849] RSP: 002b:00007ffcf12ac138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.651840][ T5849] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb185ccedc9 [ 62.659799][ T5849] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 62.667757][ T5849] RBP: 00007fb185d4a2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 62.675715][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb185d4a2b0 [ 62.683682][ T5849] R13: 0000000000000000 R14: 00007fb185d4ad00 R15: 00007fb185ca0010 [ 62.691647][ T5849] [ 62.694654][ T5849] Modules linked in: [ 62.698695][ T5849] ---[ end trace 0000000000000000 ]--- [ 62.704675][ T5849] RIP: 0010:bpf_prog_array_delete_safe+0x2d/0xc0 [ 62.711056][ T5849] Code: 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fd 49 bc 00 00 00 00 00 fc ff df e8 ce 84 f0 ff 4d 8d 75 10 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 54 6b 5b 00 49 8b 1e 48 85 db 74 [ 62.730890][ T5849] RSP: 0018:ffffc90003bbf970 EFLAGS: 00010202 [ 62.737029][ T5849] RAX: 0000000000000002 RBX: 1ffff92000777f38 RCX: ffff888034671e00 [ 62.745037][ T5849] RDX: 0000000000000000 RSI: ffffc90000abe000 RDI: 0000000000000000 [ 62.753029][ T5849] RBP: ffffc90003bbfa48 R08: ffffffff81a1aa9e R09: 1ffffffff203c816 [ 62.761008][ T5849] R10: dffffc0000000000 R11: fffffbfff203c817 R12: dffffc0000000000 [ 62.769000][ T5849] R13: 0000000000000000 R14: 0000000000000010 R15: ffffc90000abe000 [ 62.776991][ T5849] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 62.785942][ T5849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.792575][ T5849] CR2: fffffffffffffd70 CR3: 00000000334bc000 CR4: 00000000003526f0 [ 62.800535][ T5849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.808521][ T5849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.816538][ T5849] Kernel panic - not syncing: Fatal exception [ 62.822828][ T5849] Kernel Offset: disabled [ 62.827136][ T5849] Rebooting in 86400 seconds..