./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4148907897 <...> Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. execve("./syz-executor4148907897", ["./syz-executor4148907897"], 0x7fffc7103d10 /* 10 vars */) = 0 brk(NULL) = 0x5555572cc000 brk(0x5555572ccd00) = 0x5555572ccd00 arch_prctl(ARCH_SET_FS, 0x5555572cc380) = 0 set_tid_address(0x5555572cc650) = 295 set_robust_list(0x5555572cc660, 24) = 0 rseq(0x5555572ccca0, 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-executor4148907897", 4096) = 28 getrandom("\xc1\x03\x34\x1b\x02\xe9\x99\x08", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555572ccd00 brk(0x5555572edd00) = 0x5555572edd00 brk(0x5555572ee000) = 0x5555572ee000 mprotect(0x7fe597bc7000, 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 [ 21.208497][ T28] audit: type=1400 audit(1702886088.567:66): avc: denied { execmem } for pid=295 comm="syz-executor414" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.211735][ T28] audit: type=1400 audit(1702886088.567:67): avc: denied { bpf } for pid=295 comm="syz-executor414" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 21.215387][ T28] audit: type=1400 audit(1702886088.567:68): avc: denied { prog_load } for pid=295 comm="syz-executor414" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.218046][ T28] audit: type=1400 audit(1702886088.567:69): avc: denied { perfmon } for pid=295 comm="syz-executor414" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 21.224380][ T295] ================================================================================ [ 21.225599][ T295] UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:9205:63 [ 21.226683][ T295] shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') [ 21.227785][ T295] CPU: 0 PID: 295 Comm: syz-executor414 Not tainted 6.1.57-syzkaller-00058-gcee8ebf7c508 #0 [ 21.232649][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 21.242722][ T295] Call Trace: [ 21.245859][ T295] [ 21.248613][ T295] dump_stack_lvl+0x151/0x1b7 [ 21.253214][ T295] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 21.258507][ T295] ? stack_trace_snprint+0xf0/0xf0 [ 21.263457][ T295] dump_stack+0x15/0x17 [ 21.267448][ T295] __ubsan_handle_shift_out_of_bounds+0x3e1/0x440 [ 21.273785][ T295] scalar32_min_max_arsh+0x622/0x6c0 [ 21.278919][ T295] ? adjust_reg_min_max_vals+0x7b6/0x6360 [ 21.284461][ T295] adjust_reg_min_max_vals+0x3d20/0x6360 [ 21.289969][ T295] ? zext_32_to_64+0x290/0x290 [ 21.294529][ T295] ? find_equal_scalars+0x1a0/0x7c0 [ 21.299563][ T295] ? check_reg_arg+0x436/0x840 [ 21.304303][ T295] do_check+0x8e35/0xdd60 [ 21.308479][ T295] ? init_func_state+0x3c0/0x3c0 [ 21.313241][ T295] ? memset+0x35/0x40 [ 21.317058][ T295] ? btf_check_subprog_arg_match+0x182/0x300 [ 21.322870][ T295] do_check_common+0x6ce/0xed0 [ 21.327470][ T295] bpf_check+0x673b/0x16560 [ 21.331811][ T295] ? stack_depot_save+0x13/0x20 [ 21.336508][ T295] ? __kasan_check_write+0x14/0x20 [ 21.341443][ T295] ? __set_page_owner_handle+0x38a/0x3d0 [ 21.346997][ T295] ? page_ext_put+0x1c/0x30 [ 21.351339][ T295] ? __set_page_owner+0x53/0x70 [ 21.356026][ T295] ? post_alloc_hook+0x213/0x220 [ 21.360872][ T295] ? prep_new_page+0x1b/0x110 [ 21.365311][ T295] ? get_page_from_freelist+0x27ea/0x2870 [ 21.370871][ T295] ? unwind_get_return_address+0x4d/0x90 [ 21.376336][ T295] ? __kasan_check_write+0x14/0x20 [ 21.381281][ T295] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 21.386583][ T295] ? bpf_get_btf_vmlinux+0x60/0x60 [ 21.391525][ T295] ? is_bpf_text_address+0x172/0x190 [ 21.396642][ T295] ? is_module_text_address+0x280/0x360 [ 21.402025][ T295] ? stack_trace_save+0x1c0/0x1c0 [ 21.406887][ T295] ? kernel_text_address+0xa9/0xe0 [ 21.411834][ T295] ? __kernel_text_address+0xd/0x40 [ 21.416865][ T295] ? unwind_get_return_address+0x4d/0x90 [ 21.422336][ T295] ? __kasan_check_write+0x14/0x20 [ 21.427283][ T295] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 21.432577][ T295] ? _raw_spin_lock+0x1b0/0x1b0 [ 21.437263][ T295] ? stack_trace_save+0x113/0x1c0 [ 21.442126][ T295] ? stack_trace_snprint+0xf0/0xf0 [ 21.447082][ T295] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 21.452718][ T295] ? __stack_depot_save+0x419/0x480 [ 21.457745][ T295] ? selinux_bpf_prog_alloc+0x51/0x140 [ 21.463046][ T295] ? kasan_set_track+0x60/0x70 [ 21.467641][ T295] ? kasan_set_track+0x4b/0x70 [ 21.472244][ T295] ? kasan_save_alloc_info+0x1f/0x30 [ 21.477364][ T295] ? __kasan_kmalloc+0x9c/0xb0 [ 21.481965][ T295] ? kmalloc_trace+0x44/0xa0 [ 21.486387][ T295] ? selinux_bpf_prog_alloc+0x51/0x140 [ 21.491686][ T295] ? security_bpf_prog_alloc+0x62/0x90 [ 21.496977][ T295] ? bpf_prog_load+0xa6a/0x1bf0 [ 21.501665][ T295] ? __sys_bpf+0x52c/0x7f0 [ 21.506003][ T295] ? __x64_sys_bpf+0x7c/0x90 [ 21.510430][ T295] ? do_syscall_64+0x3d/0xb0 [ 21.514859][ T295] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 21.520773][ T295] ? __kasan_check_write+0x14/0x20 [ 21.525708][ T295] ? _raw_spin_lock+0xa4/0x1b0 [ 21.530313][ T295] ? _raw_spin_trylock_bh+0x190/0x190 [ 21.535517][ T295] ? _raw_spin_unlock+0x4c/0x70 [ 21.540206][ T295] ? memset+0x35/0x40 [ 21.544024][ T295] ? bpf_obj_name_cpy+0x196/0x1e0 [ 21.548882][ T295] bpf_prog_load+0x1304/0x1bf0 [ 21.553757][ T295] ? map_freeze+0x3a0/0x3a0 [ 21.558084][ T295] ? selinux_bpf+0xcb/0x100 [ 21.562420][ T295] ? security_bpf+0x82/0xb0 [ 21.566862][ T295] __sys_bpf+0x52c/0x7f0 [ 21.570925][ T295] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 21.576137][ T295] ? debug_smp_processor_id+0x17/0x20 [ 21.581518][ T295] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 21.587417][ T295] ? exit_to_user_mode_prepare+0x39/0xa0 [ 21.592895][ T295] __x64_sys_bpf+0x7c/0x90 [ 21.597151][ T295] do_syscall_64+0x3d/0xb0 [ 21.601395][ T295] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 21.607122][ T295] RIP: 0033:0x7fe597b543e9 [ 21.611760][ T295] 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 [ 21.631693][ T295] RSP: 002b:00007fff70e91208 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 21.639988][ T295] RAX: ffffffffffffffda RBX: 00007fff70e913e8 RCX: 00007fe597b543e9 [ 21.647859][ T295] RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 [ 21.655680][ T295] RBP: 00007fe597bc7610 R08: 0000000000000000 R09: 0000000000000000 [ 21.663488][ T295] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 21.671293][ T295] R13: 00007fff70e913d8 R14: 0000000000000001 R15: 0000000000000001 [ 21.679199][ T295] [ 21.682138][ T295] ================================================================================ [ 21.691627][ T295] ================================================================================ [ 21.700711][ T295] UBSAN: shift-out-of-bounds in kernel/bpf/verifier.c:9206:63 [ 21.708025][ T295] shift exponent 1073741824 is too large for 32-bit type 's32' (aka 'int') [ 21.716569][ T295] CPU: 0 PID: 295 Comm: syz-executor414 Not tainted 6.1.57-syzkaller-00058-gcee8ebf7c508 #0 [ 21.726428][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 21.736321][ T295] Call Trace: [ 21.739446][ T295] [ 21.742227][ T295] dump_stack_lvl+0x151/0x1b7 [ 21.746737][ T295] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 21.752033][ T295] ? stack_trace_snprint+0xf0/0xf0 [ 21.756980][ T295] dump_stack+0x15/0x17 [ 21.760968][ T295] __ubsan_handle_shift_out_of_bounds+0x3e1/0x440 [ 21.767257][ T295] scalar32_min_max_arsh+0x676/0x6c0 [ 21.772349][ T295] ? adjust_reg_min_max_vals+0x7b6/0x6360 [ 21.777895][ T295] adjust_reg_min_max_vals+0x3d20/0x6360 [ 21.783368][ T295] ? zext_32_to_64+0x290/0x290 [ 21.787963][ T295] ? find_equal_scalars+0x1a0/0x7c0 [ 21.793001][ T295] ? check_reg_arg+0x436/0x840 [ 21.797598][ T295] do_check+0x8e35/0xdd60 [ 21.801769][ T295] ? init_func_state+0x3c0/0x3c0 [ 21.806537][ T295] ? memset+0x35/0x40 [ 21.810354][ T295] ? btf_check_subprog_arg_match+0x182/0x300 [ 21.816181][ T295] do_check_common+0x6ce/0xed0 [ 21.820862][ T295] bpf_check+0x673b/0x16560 [ 21.825199][ T295] ? stack_depot_save+0x13/0x20 [ 21.829885][ T295] ? __kasan_check_write+0x14/0x20 [ 21.834834][ T295] ? __set_page_owner_handle+0x38a/0x3d0 [ 21.840298][ T295] ? page_ext_put+0x1c/0x30 [ 21.844654][ T295] ? __set_page_owner+0x53/0x70 [ 21.849337][ T295] ? post_alloc_hook+0x213/0x220 [ 21.854121][ T295] ? prep_new_page+0x1b/0x110 [ 21.858622][ T295] ? get_page_from_freelist+0x27ea/0x2870 [ 21.864174][ T295] ? unwind_get_return_address+0x4d/0x90 [ 21.869640][ T295] ? __kasan_check_write+0x14/0x20 [ 21.874584][ T295] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 21.879879][ T295] ? bpf_get_btf_vmlinux+0x60/0x60 [ 21.884837][ T295] ? is_bpf_text_address+0x172/0x190 [ 21.889963][ T295] ? is_module_text_address+0x280/0x360 [ 21.895336][ T295] ? stack_trace_save+0x1c0/0x1c0 [ 21.900198][ T295] ? kernel_text_address+0xa9/0xe0 [ 21.905150][ T295] ? __kernel_text_address+0xd/0x40 [ 21.910386][ T295] ? unwind_get_return_address+0x4d/0x90 [ 21.915852][ T295] ? __kasan_check_write+0x14/0x20 [ 21.920792][ T295] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 21.926235][ T295] ? _raw_spin_lock+0x1b0/0x1b0 [ 21.930951][ T295] ? stack_trace_save+0x113/0x1c0 [ 21.935808][ T295] ? stack_trace_snprint+0xf0/0xf0 [ 21.940768][ T295] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 21.946503][ T295] ? __stack_depot_save+0x419/0x480 [ 21.951671][ T295] ? selinux_bpf_prog_alloc+0x51/0x140 [ 21.956961][ T295] ? kasan_set_track+0x60/0x70 [ 21.961558][ T295] ? kasan_set_track+0x4b/0x70 [ 21.966157][ T295] ? kasan_save_alloc_info+0x1f/0x30 [ 21.971315][ T295] ? __kasan_kmalloc+0x9c/0xb0 [ 21.975877][ T295] ? kmalloc_trace+0x44/0xa0 [ 21.980329][ T295] ? selinux_bpf_prog_alloc+0x51/0x140 [ 21.985599][ T295] ? security_bpf_prog_alloc+0x62/0x90 [ 21.990895][ T295] ? bpf_prog_load+0xa6a/0x1bf0 [ 21.995581][ T295] ? __sys_bpf+0x52c/0x7f0 [ 21.999842][ T295] ? __x64_sys_bpf+0x7c/0x90 [ 22.004346][ T295] ? do_syscall_64+0x3d/0xb0 [ 22.008771][ T295] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 22.014679][ T295] ? __kasan_check_write+0x14/0x20 [ 22.019708][ T295] ? _raw_spin_lock+0xa4/0x1b0 [ 22.024409][ T295] ? _raw_spin_trylock_bh+0x190/0x190 [ 22.029603][ T295] ? _raw_spin_unlock+0x4c/0x70 [ 22.034299][ T295] ? memset+0x35/0x40 [ 22.038112][ T295] ? bpf_obj_name_cpy+0x196/0x1e0 [ 22.042983][ T295] bpf_prog_load+0x1304/0x1bf0 [ 22.047578][ T295] ? map_freeze+0x3a0/0x3a0 [ 22.051931][ T295] ? selinux_bpf+0xcb/0x100 [ 22.056257][ T295] ? security_bpf+0x82/0xb0 [ 22.060605][ T295] __sys_bpf+0x52c/0x7f0 [ 22.064673][ T295] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 22.069885][ T295] ? debug_smp_processor_id+0x17/0x20 [ 22.075094][ T295] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 22.081090][ T295] ? exit_to_user_mode_prepare+0x39/0xa0 [ 22.086548][ T295] __x64_sys_bpf+0x7c/0x90 [ 22.090807][ T295] do_syscall_64+0x3d/0xb0 [ 22.095059][ T295] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 22.100777][ T295] RIP: 0033:0x7fe597b543e9 [ 22.105159][ T295] 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 [ 22.126345][ T295] RSP: 002b:00007fff70e91208 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 22.134637][ T295] RAX: ffffffffffffffda RBX: 00007fff70e913e8 RCX: 00007fe597b543e9 [ 22.142565][ T295] RDX: 0000000000000048 RSI: 00000000200054c0 RDI: 0000000000000005 [ 22.150582][ T295] RBP: 00007fe597bc7610 R08: 0000000000000000 R09: 0000000000000000 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_KPROBE, insn_cnt=22, insns=0x20000140, 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 exit_group(0) = ? [ 22.158391][ T295] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 22.166200][ T295] R13: 00007fff70e913d8 R14: 0000000000000001 R15: 0000000000000001 [ 22.174192][ T295] [ 22.177269][ T295] ================================================================================ +++ exited with 0 +++ [