./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor538008331
<...>
Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts.
execve("./syz-executor538008331", ["./syz-executor538008331"], 0x7ffce99fd050 /* 10 vars */) = 0
brk(NULL) = 0x555559350000
brk(0x555559350d00) = 0x555559350d00
arch_prctl(ARCH_SET_FS, 0x555559350380) = 0
set_tid_address(0x555559350650) = 5816
set_robust_list(0x555559350660, 24) = 0
rseq(0x555559350ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor538008331", 4096) = 27
getrandom("\x9c\x94\x77\xad\xd8\xa3\xec\x49", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555559350d00
brk(0x555559371d00) = 0x555559371d00
brk(0x555559372000) = 0x555559372000
mprotect(0x7f03d2668000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
executing program
write(1, "executing program\n", 18) = 18
[ 53.205648][ T30] audit: type=1400 audit(1742176533.373:88): avc: denied { execmem } for pid=5816 comm="syz-executor538" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 53.225208][ T30] audit: type=1400 audit(1742176533.383:89): avc: denied { prog_load } for pid=5816 comm="syz-executor538" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1
bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER, insn_cnt=8, insns=0x400000001000, 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
[ 53.244741][ T30] audit: type=1400 audit(1742176533.383:90): avc: denied { bpf } for pid=5816 comm="syz-executor538" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1
[ 53.265743][ T30] audit: type=1400 audit(1742176533.383:91): avc: denied { perfmon } for pid=5816 comm="syz-executor538" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1
[ 53.288088][ T30] audit: type=1400 audit(1742176533.453:92): avc: denied { prog_run } for pid=5816 comm="syz-executor538" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1
[ 53.309212][ T5816] ------------[ cut here ]------------
[ 53.314751][ T5816] Please remove unsupported % in format string
[ 53.321325][ T5816] WARNING: CPU: 0 PID: 5816 at lib/vsprintf.c:2693 format_decode+0xac6/0xd40
[ 53.330128][ T5816] Modules linked in:
[ 53.334022][ T5816] CPU: 0 UID: 0 PID: 5816 Comm: syz-executor538 Not tainted 6.14.0-rc6-syzkaller-00263-gd1275e99d1c4 #0
[ 53.345128][ T5816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 53.355192][ T5816] RIP: 0010:format_decode+0xac6/0xd40
[ 53.360547][ T5816] 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 e0 8c cf 8c e8 0b f2 25 f6 90 <0f> 0b 90 90 e9 d3 fa ff ff 49 bc 00 00 00 00 00 fc ff df 31 db e8
[ 53.380158][ T5816] RSP: 0018:ffffc90002f176a8 EFLAGS: 00010282
[ 53.386242][ T5816] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a2269
[ 53.394226][ T5816] RDX: ffff88807f908000 RSI: ffffffff817a2276 RDI: 0000000000000001
[ 53.402199][ T5816] RBP: ffffc90002f17750 R08: 0000000000000001 R09: 0000000000000000
[ 53.410220][ T5816] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000004
[ 53.418204][ T5816] R13: ffffc90002f17954 R14: ffffc90002f177e0 R15: 0000000000000000
[ 53.426217][ T5816] FS: 0000555559350380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 53.435160][ T5816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.441730][ T5816] CR2: 000055c6b4cb90a8 CR3: 000000004eadc000 CR4: 00000000003526f0
[ 53.449715][ T5816] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.457693][ T5816] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.465671][ T5816] Call Trace:
[ 53.468936][ T5816]
[ 53.471843][ T5816] ? __warn+0xea/0x3c0
[ 53.475920][ T5816] ? __pfx_vprintk_emit+0x10/0x10
[ 53.480938][ T5816] ? format_decode+0xac6/0xd40
[ 53.485712][ T5816] ? report_bug+0x3c0/0x580
[ 53.490208][ T5816] ? handle_bug+0x54/0xa0
[ 53.494545][ T5816] ? exc_invalid_op+0x17/0x50
[ 53.499214][ T5816] ? asm_exc_invalid_op+0x1a/0x20
[ 53.504250][ T5816] ? __warn_printk+0x199/0x350
[ 53.509004][ T5816] ? __warn_printk+0x1a6/0x350
[ 53.513774][ T5816] ? format_decode+0xac6/0xd40
[ 53.518528][ T5816] ? format_decode+0xac5/0xd40
[ 53.523304][ T5816] ? __pfx_format_decode+0x10/0x10
[ 53.528407][ T5816] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 53.534320][ T5816] bstr_printf+0x16e/0x10d0
[ 53.538820][ T5816] ? __pfx_bstr_printf+0x10/0x10
[ 53.543766][ T5816] ? find_held_lock+0x2d/0x110
[ 53.548537][ T5816] ? bpf_test_run+0x450/0xa90
[ 53.553221][ T5816] bpf_trace_printk+0x10b/0x190
[ 53.558065][ T5816] ? __pfx_bpf_trace_printk+0x10/0x10
[ 53.563443][ T5816] ? trace_lock_acquire+0x14e/0x1f0
[ 53.568636][ T5816] ? bpf_test_timer_enter+0x9d/0x180
[ 53.573932][ T5816] ? bpf_test_run+0x450/0xa90
[ 53.578599][ T5816] ? ktime_get+0x200/0x310
[ 53.583024][ T5816] ? lockdep_hardirqs_on+0x7c/0x110
[ 53.588215][ T5816] ? read_tsc+0x9/0x20
[ 53.592262][ T5816] bpf_prog_21da1b68f62e1237+0x37/0x3e
[ 53.597722][ T5816] bpf_test_run+0x49d/0xa90
[ 53.602221][ T5816] ? __pfx_bpf_test_run+0x10/0x10
[ 53.607270][ T5816] ? __asan_memset+0x23/0x50
[ 53.611857][ T5816] bpf_prog_test_run_skb+0xb93/0x2280
[ 53.617244][ T5816] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 53.623062][ T5816] ? lock_acquire+0x2f/0xb0
[ 53.627543][ T5816] ? __might_fault+0xe3/0x190
[ 53.632195][ T5816] ? fdget+0x176/0x210
[ 53.636274][ T5816] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 53.642078][ T5816] __sys_bpf+0xfc6/0x49c0
[ 53.646413][ T5816] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 53.652040][ T5816] ? __pfx___sys_bpf+0x10/0x10
[ 53.656817][ T5816] ? do_raw_spin_lock+0x12d/0x2c0
[ 53.661831][ T5816] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 53.667215][ T5816] ? lock_acquire+0x2f/0xb0
[ 53.671711][ T5816] ? ptrace_stop.part.0+0x488/0x940
[ 53.676923][ T5816] ? ptrace_stop.part.0+0x722/0x940
[ 53.682124][ T5816] ? _raw_spin_unlock_irq+0x23/0x50
[ 53.687331][ T5816] ? lockdep_hardirqs_on+0x7c/0x110
[ 53.692530][ T5816] __x64_sys_bpf+0x78/0xc0
[ 53.696950][ T5816] do_syscall_64+0xcd/0x250
[ 53.701449][ T5816] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 53.707360][ T5816] RIP: 0033:0x7f03d25f54a9
[ 53.711765][ T5816] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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
[ 53.731378][ T5816] RSP: 002b:00007ffdefa4f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 53.739806][ T5816] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f03d25f54a9
[ 53.747778][ T5816] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a
[ 53.755747][ T5816] RBP: 00007f03d2668610 R08: 0000000000000000 R09: 00007ffdefa4f338
[ 53.763718][ T5816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.771681][ T5816] R13: 00007ffdefa4f328 R14: 0000000000000001 R15: 0000000000000001
[ 53.779674][ T5816]
[ 53.782682][ T5816] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 53.789931][ T5816] CPU: 0 UID: 0 PID: 5816 Comm: syz-executor538 Not tainted 6.14.0-rc6-syzkaller-00263-gd1275e99d1c4 #0
[ 53.801002][ T5816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 53.811026][ T5816] Call Trace:
[ 53.814277][ T5816]
[ 53.817181][ T5816] dump_stack_lvl+0x3d/0x1f0
[ 53.821747][ T5816] panic+0x71d/0x800
[ 53.825619][ T5816] ? __pfx_panic+0x10/0x10
[ 53.830005][ T5816] ? show_trace_log_lvl+0x29d/0x3d0
[ 53.835178][ T5816] ? check_panic_on_warn+0x1f/0xb0
[ 53.840262][ T5816] ? format_decode+0xac6/0xd40
[ 53.845004][ T5816] check_panic_on_warn+0xab/0xb0
[ 53.849914][ T5816] __warn+0xf6/0x3c0
[ 53.853781][ T5816] ? __pfx_vprintk_emit+0x10/0x10
[ 53.858774][ T5816] ? format_decode+0xac6/0xd40
[ 53.863506][ T5816] report_bug+0x3c0/0x580
[ 53.867807][ T5816] handle_bug+0x54/0xa0
[ 53.871935][ T5816] exc_invalid_op+0x17/0x50
[ 53.876419][ T5816] asm_exc_invalid_op+0x1a/0x20
[ 53.881242][ T5816] RIP: 0010:format_decode+0xac6/0xd40
[ 53.886585][ T5816] 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 e0 8c cf 8c e8 0b f2 25 f6 90 <0f> 0b 90 90 e9 d3 fa ff ff 49 bc 00 00 00 00 00 fc ff df 31 db e8
[ 53.906163][ T5816] RSP: 0018:ffffc90002f176a8 EFLAGS: 00010282
[ 53.912196][ T5816] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a2269
[ 53.920138][ T5816] RDX: ffff88807f908000 RSI: ffffffff817a2276 RDI: 0000000000000001
[ 53.928085][ T5816] RBP: ffffc90002f17750 R08: 0000000000000001 R09: 0000000000000000
[ 53.936025][ T5816] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000004
[ 53.943965][ T5816] R13: ffffc90002f17954 R14: ffffc90002f177e0 R15: 0000000000000000
[ 53.951926][ T5816] ? __warn_printk+0x199/0x350
[ 53.956681][ T5816] ? __warn_printk+0x1a6/0x350
[ 53.961421][ T5816] ? format_decode+0xac5/0xd40
[ 53.966167][ T5816] ? __pfx_format_decode+0x10/0x10
[ 53.971250][ T5816] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 53.977120][ T5816] bstr_printf+0x16e/0x10d0
[ 53.981616][ T5816] ? __pfx_bstr_printf+0x10/0x10
[ 53.986528][ T5816] ? find_held_lock+0x2d/0x110
[ 53.991265][ T5816] ? bpf_test_run+0x450/0xa90
[ 53.995920][ T5816] bpf_trace_printk+0x10b/0x190
[ 54.000745][ T5816] ? __pfx_bpf_trace_printk+0x10/0x10
[ 54.006097][ T5816] ? trace_lock_acquire+0x14e/0x1f0
[ 54.011267][ T5816] ? bpf_test_timer_enter+0x9d/0x180
[ 54.016525][ T5816] ? bpf_test_run+0x450/0xa90
[ 54.021173][ T5816] ? ktime_get+0x200/0x310
[ 54.025562][ T5816] ? lockdep_hardirqs_on+0x7c/0x110
[ 54.030735][ T5816] ? read_tsc+0x9/0x20
[ 54.034780][ T5816] bpf_prog_21da1b68f62e1237+0x37/0x3e
[ 54.040208][ T5816] bpf_test_run+0x49d/0xa90
[ 54.044689][ T5816] ? __pfx_bpf_test_run+0x10/0x10
[ 54.049696][ T5816] ? __asan_memset+0x23/0x50
[ 54.054272][ T5816] bpf_prog_test_run_skb+0xb93/0x2280
[ 54.059619][ T5816] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.065397][ T5816] ? lock_acquire+0x2f/0xb0
[ 54.069873][ T5816] ? __might_fault+0xe3/0x190
[ 54.074533][ T5816] ? fdget+0x176/0x210
[ 54.078571][ T5816] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.084354][ T5816] __sys_bpf+0xfc6/0x49c0
[ 54.088657][ T5816] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 54.094263][ T5816] ? __pfx___sys_bpf+0x10/0x10
[ 54.098994][ T5816] ? do_raw_spin_lock+0x12d/0x2c0
[ 54.103987][ T5816] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 54.109325][ T5816] ? lock_acquire+0x2f/0xb0
[ 54.113810][ T5816] ? ptrace_stop.part.0+0x488/0x940
[ 54.118994][ T5816] ? ptrace_stop.part.0+0x722/0x940
[ 54.124172][ T5816] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.129340][ T5816] ? lockdep_hardirqs_on+0x7c/0x110
[ 54.134511][ T5816] __x64_sys_bpf+0x78/0xc0
[ 54.138906][ T5816] do_syscall_64+0xcd/0x250
[ 54.143410][ T5816] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.149287][ T5816] RIP: 0033:0x7f03d25f54a9
[ 54.153672][ T5816] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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
[ 54.173250][ T5816] RSP: 002b:00007ffdefa4f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 54.181641][ T5816] RAX: ffffffffffffffda RBX: 64006ad576d86aa0 RCX: 00007f03d25f54a9
[ 54.189584][ T5816] RDX: 0000000000000028 RSI: 0000400000000080 RDI: 000000000000000a
[ 54.197525][ T5816] RBP: 00007f03d2668610 R08: 0000000000000000 R09: 00007ffdefa4f338
[ 54.205471][ T5816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.213412][ T5816] R13: 00007ffdefa4f328 R14: 0000000000000001 R15: 0000000000000001
[ 54.221360][ T5816]
[ 54.224606][ T5816] Kernel Offset: disabled
[ 54.228921][ T5816] Rebooting in 86400 seconds..