./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor619874678 <...> Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. execve("./syz-executor619874678", ["./syz-executor619874678"], 0x7fff9a7b44f0 /* 10 vars */) = 0 brk(NULL) = 0x555560a28000 brk(0x555560a28d00) = 0x555560a28d00 arch_prctl(ARCH_SET_FS, 0x555560a28380) = 0 set_tid_address(0x555560a28650) = 5820 set_robust_list(0x555560a28660, 24) = 0 rseq(0x555560a28ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor619874678", 4096) = 27 getrandom("\xe5\x49\x3c\x7e\x40\x0f\xb9\xd1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560a28d00 brk(0x555560a49d00) = 0x555560a49d00 brk(0x555560a4a000) = 0x555560a4a000 mprotect(0x7f035a71b000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5821 attached , child_tidptr=0x555560a28650) = 5821 [pid 5821] set_robust_list(0x555560a28660, 24) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 57.968293][ T30] audit: type=1400 audit(1745403799.395:88): avc: denied { execmem } for pid=5820 comm="syz-executor619" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5821] setpgid(0, 0) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1000", 4) = 4 [pid 5821] close(3) = 0 executing program [pid 5821] write(1, "executing program\n", 18) = 18 [ 58.053353][ T30] audit: type=1400 audit(1745403799.485:89): avc: denied { prog_load } for pid=5821 comm="syz-executor619" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 58.072943][ T30] audit: type=1400 audit(1745403799.485:90): avc: denied { bpf } for pid=5821 comm="syz-executor619" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 58.094649][ T30] audit: type=1400 audit(1745403799.485:91): avc: denied { perfmon } for pid=5821 comm="syz-executor619" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 58.116374][ T5821] ------------[ cut here ]------------ [ 58.116411][ T30] audit: type=1400 audit(1745403799.525:92): avc: denied { prog_run } for pid=5821 comm="syz-executor619" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 58.121856][ T5821] Please remove unsupported % in format string [pid 5821] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x200000001000, 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}, 72) = 3 [ 58.122468][ T5821] WARNING: CPU: 1 PID: 5821 at lib/vsprintf.c:2702 format_decode+0xac6/0xd40 [ 58.156088][ T5821] Modules linked in: [ 58.160058][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor619 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) [ 58.172472][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 58.182546][ T5821] RIP: 0010:format_decode+0xac6/0xd40 [ 58.187903][ T5821] Code: ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 c2 01 00 00 41 0f b6 75 00 48 c7 c7 80 2b f2 8c e8 ab 90 0b f6 90 <0f> 0b 90 90 e9 d8 fa ff ff 49 bc 00 00 00 00 00 fc ff df 31 db e8 [ 58.207517][ T5821] RSP: 0018:ffffc900033f76b8 EFLAGS: 00010282 [ 58.213611][ T5821] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817adff8 [ 58.221588][ T5821] RDX: ffff888030ef0000 RSI: ffffffff817ae005 RDI: 0000000000000001 [ 58.229544][ T5821] RBP: ffffc900033f7758 R08: 0000000000000001 R09: 0000000000000000 [ 58.237515][ T5821] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 58.245497][ T5821] R13: ffffc900033f795c R14: ffffc900033f77e8 R15: 0000000000000000 [ 58.253472][ T5821] FS: 0000555560a28380(0000) GS:ffff888124ab2000(0000) knlGS:0000000000000000 [ 58.262417][ T5821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.268982][ T5821] CR2: 00007f035a71f0d0 CR3: 00000000742a0000 CR4: 00000000003526f0 [ 58.276980][ T5821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.284956][ T5821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.292937][ T5821] Call Trace: [ 58.296208][ T5821] [ 58.299134][ T5821] ? __pfx_format_decode+0x10/0x10 [ 58.304261][ T5821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.310159][ T5821] bstr_printf+0x168/0x10a0 [ 58.314653][ T5821] ? __pfx_bstr_printf+0x10/0x10 [ 58.319566][ T5821] ? __lock_acquire+0x5ca/0x1ba0 [ 58.324522][ T5821] ? bpf_test_run+0x43d/0xa70 [ 58.329203][ T5821] bpf_trace_printk+0x10a/0x190 [ 58.334121][ T5821] ? __pfx_bpf_trace_printk+0x10/0x10 [ 58.339504][ T5821] ? bpf_test_run+0x43d/0xa70 [ 58.344203][ T5821] ? ktime_get+0x200/0x310 [ 58.348615][ T5821] ? lockdep_hardirqs_on+0x7c/0x110 [ 58.353830][ T5821] ? read_tsc+0x9/0x20 [ 58.357896][ T5821] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 58.363376][ T5821] bpf_test_run+0x489/0xa70 [ 58.367876][ T5821] ? __pfx_bpf_test_run+0x10/0x10 [ 58.372924][ T5821] ? __asan_memset+0x23/0x50 [ 58.377515][ T5821] bpf_prog_test_run_skb+0xb92/0x2280 [ 58.382924][ T5821] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.388723][ T5821] ? __might_fault+0x13b/0x190 [ 58.393489][ T5821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.399374][ T5821] ? fdget+0x176/0x210 [ 58.403446][ T5821] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.409244][ T5821] __sys_bpf+0x1485/0x4d80 [ 58.413677][ T5821] ? __pfx___sys_bpf+0x10/0x10 [ 58.418439][ T5821] ? do_raw_spin_lock+0x12c/0x2b0 [ 58.423501][ T5821] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 58.428878][ T5821] ? ptrace_stop.part.0+0x732/0x950 [ 58.434123][ T5821] ? rcu_is_watching+0x12/0xc0 [ 58.438884][ T5821] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.444097][ T5821] ? lockdep_hardirqs_on+0x7c/0x110 [ 58.449295][ T5821] __x64_sys_bpf+0x78/0xc0 [ 58.453815][ T5821] do_syscall_64+0xcd/0x260 [ 58.458334][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.464259][ T5821] RIP: 0033:0x7f035a6a8bb9 [ 58.468679][ T5821] 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 [ 58.488305][ T5821] RSP: 002b:00007ffc80d21738 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 58.496733][ T5821] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f035a6a8bb9 [ 58.504717][ T5821] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 58.512697][ T5821] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 58.520670][ T5821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.528628][ T5821] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 58.536611][ T5821] [ 58.539648][ T5821] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.546905][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor619 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) [ 58.559297][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 58.569348][ T5821] Call Trace: [ 58.572612][ T5821] [ 58.575524][ T5821] dump_stack_lvl+0x3d/0x1f0 [ 58.580108][ T5821] panic+0x71c/0x800 [ 58.583993][ T5821] ? __pfx_panic+0x10/0x10 [ 58.588392][ T5821] ? show_trace_log_lvl+0x29b/0x3e0 [ 58.593585][ T5821] ? check_panic_on_warn+0x1f/0xb0 [ 58.598679][ T5821] ? format_decode+0xac6/0xd40 [ 58.603426][ T5821] check_panic_on_warn+0xab/0xb0 [ 58.608344][ T5821] __warn+0xf6/0x3c0 [ 58.612220][ T5821] ? format_decode+0xac6/0xd40 [ 58.616966][ T5821] report_bug+0x3c3/0x580 [ 58.621280][ T5821] ? format_decode+0xac6/0xd40 [ 58.626030][ T5821] handle_bug+0x184/0x210 [ 58.630346][ T5821] exc_invalid_op+0x17/0x50 [ 58.634835][ T5821] asm_exc_invalid_op+0x1a/0x20 [ 58.639665][ T5821] RIP: 0010:format_decode+0xac6/0xd40 [ 58.645016][ T5821] Code: ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 c2 01 00 00 41 0f b6 75 00 48 c7 c7 80 2b f2 8c e8 ab 90 0b f6 90 <0f> 0b 90 90 e9 d8 fa ff ff 49 bc 00 00 00 00 00 fc ff df 31 db e8 [ 58.664604][ T5821] RSP: 0018:ffffc900033f76b8 EFLAGS: 00010282 [ 58.670663][ T5821] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817adff8 [ 58.678610][ T5821] RDX: ffff888030ef0000 RSI: ffffffff817ae005 RDI: 0000000000000001 [ 58.686575][ T5821] RBP: ffffc900033f7758 R08: 0000000000000001 R09: 0000000000000000 [ 58.694537][ T5821] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 58.702496][ T5821] R13: ffffc900033f795c R14: ffffc900033f77e8 R15: 0000000000000000 [ 58.710473][ T5821] ? __warn_printk+0x198/0x350 [ 58.715223][ T5821] ? __warn_printk+0x1a5/0x350 [ 58.719970][ T5821] ? format_decode+0xac5/0xd40 [ 58.724719][ T5821] ? __pfx_format_decode+0x10/0x10 [ 58.729813][ T5821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.735689][ T5821] bstr_printf+0x168/0x10a0 [ 58.740182][ T5821] ? __pfx_bstr_printf+0x10/0x10 [ 58.745115][ T5821] ? __lock_acquire+0x5ca/0x1ba0 [ 58.750034][ T5821] ? bpf_test_run+0x43d/0xa70 [ 58.754692][ T5821] bpf_trace_printk+0x10a/0x190 [ 58.759532][ T5821] ? __pfx_bpf_trace_printk+0x10/0x10 [ 58.764890][ T5821] ? bpf_test_run+0x43d/0xa70 [ 58.769544][ T5821] ? ktime_get+0x200/0x310 [ 58.773942][ T5821] ? lockdep_hardirqs_on+0x7c/0x110 [ 58.779124][ T5821] ? read_tsc+0x9/0x20 [ 58.783183][ T5821] bpf_prog_12183cdb1cd51dab+0x37/0x3b [ 58.788620][ T5821] bpf_test_run+0x489/0xa70 [ 58.793110][ T5821] ? __pfx_bpf_test_run+0x10/0x10 [ 58.798130][ T5821] ? __asan_memset+0x23/0x50 [ 58.802710][ T5821] bpf_prog_test_run_skb+0xb92/0x2280 [ 58.808071][ T5821] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.813858][ T5821] ? __might_fault+0x13b/0x190 [ 58.818602][ T5821] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.824475][ T5821] ? fdget+0x176/0x210 [ 58.828526][ T5821] ? __pfx_bpf_prog_test_run_skb+0x10/0x10 [ 58.834313][ T5821] __sys_bpf+0x1485/0x4d80 [ 58.838715][ T5821] ? __pfx___sys_bpf+0x10/0x10 [ 58.843463][ T5821] ? do_raw_spin_lock+0x12c/0x2b0 [ 58.848466][ T5821] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 58.853827][ T5821] ? ptrace_stop.part.0+0x732/0x950 [ 58.859036][ T5821] ? rcu_is_watching+0x12/0xc0 [ 58.863782][ T5821] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.868959][ T5821] ? lockdep_hardirqs_on+0x7c/0x110 [ 58.874141][ T5821] __x64_sys_bpf+0x78/0xc0 [ 58.878540][ T5821] do_syscall_64+0xcd/0x260 [ 58.883029][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.888900][ T5821] RIP: 0033:0x7f035a6a8bb9 [ 58.893293][ T5821] 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 [ 58.912879][ T5821] RSP: 002b:00007ffc80d21738 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 58.921272][ T5821] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f035a6a8bb9 [ 58.929222][ T5821] RDX: 0000000000000028 RSI: 0000200000000080 RDI: 000000000000000a [ 58.937169][ T5821] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 58.945118][ T5821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.953066][ T5821] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 58.961026][ T5821] [ 58.964338][ T5821] Kernel Offset: disabled [ 58.968639][ T5821] Rebooting in 86400 seconds..