./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3345170217 <...> Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. execve("./syz-executor3345170217", ["./syz-executor3345170217"], 0x7ffd569eaf60 /* 10 vars */) = 0 brk(NULL) = 0x55555660b000 brk(0x55555660bd00) = 0x55555660bd00 arch_prctl(ARCH_SET_FS, 0x55555660b380) = 0 set_tid_address(0x55555660b650) = 5064 set_robust_list(0x55555660b660, 24) = 0 rseq(0x55555660bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3345170217", 4096) = 28 getrandom("\xea\xe7\xb7\xa0\x8e\x9a\xeb\x04", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555660bd00 brk(0x55555662cd00) = 0x55555662cd00 brk(0x55555662d000) = 0x55555662d000 mprotect(0x7f4dbbec4000, 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 [ 111.127167][ T5064] general protection fault, probably for non-canonical address 0xdffffc000000001b: 0000 [#1] PREEMPT SMP KASAN [ 111.138939][ T5064] KASAN: null-ptr-deref in range [0x00000000000000d8-0x00000000000000df] [ 111.147371][ T5064] CPU: 0 PID: 5064 Comm: syz-executor334 Not tainted 6.7.0-syzkaller-12348-gd47b9f68d289 #0 [ 111.157598][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 111.167747][ T5064] RIP: 0010:btf_is_module+0x26/0x80 [ 111.173004][ T5064] Code: 00 eb f0 90 66 0f 1f 00 55 53 48 89 fb e8 92 24 de ff 48 8d bb d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 02 7e 48 0f b6 ab d8 00 00 00 31 ff 89 ee e8 [ 111.192631][ T5064] RSP: 0018:ffffc900039ff828 EFLAGS: 00010206 [ 111.198709][ T5064] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81a07f47 [ 111.206696][ T5064] RDX: 000000000000001b RSI: ffffffff81a9fcfe RDI: 00000000000000d8 [ 111.214672][ T5064] RBP: ffffc900039ffaf0 R08: 0000000000000001 R09: 0000000000000000 [ 111.222646][ T5064] R10: 0000000000000004 R11: ffffffff8aa0008b R12: ffffc90000ae6038 [ 111.230622][ T5064] R13: ffffc90000ae6000 R14: 0000000000000000 R15: 0000000000000000 [ 111.238596][ T5064] FS: 000055555660b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 111.247582][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.254200][ T5064] CR2: 0000000001b6b398 CR3: 000000001aaae000 CR4: 00000000003506f0 [ 111.262187][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.270179][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.278169][ T5064] Call Trace: [ 111.281451][ T5064] [ 111.284388][ T5064] ? show_regs+0x8f/0xa0 [ 111.288650][ T5064] ? die_addr+0x4f/0xd0 [ 111.292822][ T5064] ? exc_general_protection+0x155/0x230 [ 111.298489][ T5064] ? asm_exc_general_protection+0x26/0x30 [ 111.304317][ T5064] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 111.310393][ T5064] ? bpf_check+0x6cb7/0x9df0 [ 111.314990][ T5064] ? btf_is_module+0xe/0x80 [ 111.319513][ T5064] ? btf_is_module+0x26/0x80 [ 111.324126][ T5064] ? btf_is_module+0xe/0x80 [ 111.328650][ T5064] bpf_check+0x6cfe/0x9df0 [ 111.333075][ T5064] ? hlock_class+0x4e/0x130 [ 111.337611][ T5064] ? __lock_acquire+0x1502/0x3b30 [ 111.342655][ T5064] ? bpf_get_btf_vmlinux+0x20/0x20 [ 111.347780][ T5064] ? find_held_lock+0x2d/0x110 [ 111.352569][ T5064] ? bpf_prog_load+0x141b/0x2310 [ 111.357529][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 111.362912][ T5064] ? preempt_count_sub+0x160/0x160 [ 111.368054][ T5064] ? read_tsc+0x9/0x20 [ 111.372195][ T5064] ? ktime_get_with_offset+0x306/0x520 [ 111.377727][ T5064] ? bpf_obj_name_cpy+0x14a/0x1a0 [ 111.382812][ T5064] bpf_prog_load+0x14dc/0x2310 [ 111.387759][ T5064] ? map_create+0x1b90/0x1b90 [ 111.392456][ T5064] ? find_held_lock+0x2d/0x110 [ 111.397263][ T5064] ? security_bpf+0x86/0xb0 [ 111.401779][ T5064] __sys_bpf+0xbf7/0x4a00 [ 111.406134][ T5064] ? lock_sync+0x190/0x190 [ 111.410596][ T5064] ? ptrace_stop.part.0+0x457/0x950 [ 111.415835][ T5064] ? bpf_perf_link_attach+0x540/0x540 [ 111.421270][ T5064] ? spin_bug+0x1d0/0x1d0 [ 111.425613][ T5064] ? cgroup_update_frozen+0x144/0x6b0 [ 111.431028][ T5064] ? ptrace_stop.part.0+0x736/0x950 [ 111.436267][ T5064] ? find_held_lock+0x2d/0x110 [ 111.441074][ T5064] ? _raw_spin_unlock_irq+0x23/0x50 [ 111.446386][ T5064] ? lockdep_hardirqs_on+0x7d/0x110 [ 111.451614][ T5064] __x64_sys_bpf+0x78/0xc0 [ 111.456050][ T5064] do_syscall_64+0xd3/0x250 [ 111.460572][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 111.466485][ T5064] RIP: 0033:0x7f4dbbe514a9 [ 111.470932][ T5064] 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 [ 111.490729][ T5064] RSP: 002b:00007ffe76acbe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 111.499156][ T5064] RAX: ffffffffffffffda RBX: 00007ffe76acbff8 RCX: 00007f4dbbe514a9 [ 111.507235][ T5064] RDX: 00000000000000a0 RSI: 00000000200009c0 RDI: 0000000000000005 [ 111.515238][ T5064] RBP: 00007f4dbbec4610 R08: 0000000000000000 R09: 0000000000000000 [ 111.523232][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 111.531316][ T5064] R13: 00007ffe76acbfe8 R14: 0000000000000001 R15: 0000000000000001 [ 111.540608][ T5064] [ 111.543703][ T5064] Modules linked in: [ 111.548124][ T5064] ---[ end trace 0000000000000000 ]--- [ 111.553695][ T5064] RIP: 0010:btf_is_module+0x26/0x80 [ 111.559009][ T5064] Code: 00 eb f0 90 66 0f 1f 00 55 53 48 89 fb e8 92 24 de ff 48 8d bb d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 02 7e 48 0f b6 ab d8 00 00 00 31 ff 89 ee e8 [ 111.578767][ T5064] RSP: 0018:ffffc900039ff828 EFLAGS: 00010206 [ 111.584844][ T5064] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81a07f47 [ 111.592878][ T5064] RDX: 000000000000001b RSI: ffffffff81a9fcfe RDI: 00000000000000d8 [ 111.600986][ T5064] RBP: ffffc900039ffaf0 R08: 0000000000000001 R09: 0000000000000000 [ 111.609015][ T5064] R10: 0000000000000004 R11: ffffffff8aa0008b R12: ffffc90000ae6038 [ 111.617059][ T5064] R13: ffffc90000ae6000 R14: 0000000000000000 R15: 0000000000000000 [ 111.625054][ T5064] FS: 000055555660b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 111.634043][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.640679][ T5064] CR2: 0000000001b6b398 CR3: 000000001aaae000 CR4: 00000000003506f0 [ 111.648713][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 111.656738][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 111.664724][ T5064] Kernel panic - not syncing: Fatal exception [ 111.671071][ T5064] Kernel Offset: disabled [ 111.675487][ T5064] Rebooting in 86400 seconds..