./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3755318500 <...> Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts. execve("./syz-executor3755318500", ["./syz-executor3755318500"], 0x7fffde2cf6f0 /* 10 vars */) = 0 brk(NULL) = 0x555584df0000 brk(0x555584df0d00) = 0x555584df0d00 arch_prctl(ARCH_SET_FS, 0x555584df0380) = 0 set_tid_address(0x555584df0650) = 5067 set_robust_list(0x555584df0660, 24) = 0 rseq(0x555584df0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3755318500", 4096) = 28 getrandom("\x72\x04\x27\x61\xa4\xa1\x62\x40", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584df0d00 brk(0x555584e11d00) = 0x555584e11d00 brk(0x555584e12000) = 0x555584e12000 mprotect(0x7f9acb2e2000, 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 [ 55.463262][ T5067] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 55.475366][ T5067] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 55.483787][ T5067] CPU: 0 PID: 5067 Comm: syz-executor375 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 55.493856][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 55.503921][ T5067] RIP: 0010:bpf_check+0xa19b/0x19010 [ 55.509232][ T5067] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 8d 93 50 00 48 b9 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <0f> b6 04 08 84 c0 0f 85 e3 4c 00 00 8b 1b be 00 00 04 00 21 de 31 [ 55.528833][ T5067] RSP: 0018:ffffc90003cbf1e0 EFLAGS: 00010206 [ 55.534893][ T5067] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 55.542859][ T5067] RDX: ffff888017fd1e00 RSI: 0000000000010000 RDI: 0000000000000001 [ 55.550818][ T5067] RBP: ffffc90003cbfb50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 55.558776][ T5067] R10: 0000000000000004 R11: ffff888017fd1e00 R12: ffffc90000ade072 [ 55.566737][ T5067] R13: 1ffff9200015bc0e R14: 1ffff9200015bc0e R15: 0000000000010000 [ 55.574697][ T5067] FS: 0000555584df0380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 55.583614][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.590267][ T5067] CR2: 00007f52c91f1b10 CR3: 000000007ef80000 CR4: 00000000003506f0 [ 55.598226][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.606179][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.614132][ T5067] Call Trace: [ 55.617400][ T5067] [ 55.620320][ T5067] ? __die_body+0x88/0xe0 [ 55.624638][ T5067] ? die_addr+0x108/0x140 [ 55.628955][ T5067] ? exc_general_protection+0x3dd/0x5d0 [ 55.634539][ T5067] ? asm_exc_general_protection+0x26/0x30 [ 55.640283][ T5067] ? bpf_check+0xa205/0x19010 [ 55.644985][ T5067] ? bpf_check+0x9fc8/0x19010 [ 55.649671][ T5067] ? bpf_check+0xa19b/0x19010 [ 55.654379][ T5067] ? __pfx_bpf_check+0x10/0x10 [ 55.659139][ T5067] ? validate_chain+0x11b/0x58e0 [ 55.664096][ T5067] ? __pfx_validate_chain+0x10/0x10 [ 55.669284][ T5067] ? mark_lock+0x9a/0x350 [ 55.673614][ T5067] ? mark_lock+0x9a/0x350 [ 55.677934][ T5067] ? __lock_acquire+0x1346/0x1fd0 [ 55.682989][ T5067] ? mark_lock+0x9a/0x350 [ 55.687309][ T5067] ? __lock_acquire+0x1346/0x1fd0 [ 55.692327][ T5067] ? __pfx_lock_acquire+0x10/0x10 [ 55.697334][ T5067] ? ktime_get_with_offset+0x105/0x330 [ 55.702784][ T5067] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 55.708779][ T5067] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 55.715098][ T5067] ? lockdep_hardirqs_on+0x99/0x150 [ 55.720286][ T5067] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 55.726864][ T5067] ? __check_object_size+0x8e/0xa00 [ 55.732055][ T5067] ? bpf_obj_name_cpy+0x18a/0x1d0 [ 55.737070][ T5067] ? bpf_lsm_bpf_prog_load+0x9/0x10 [ 55.742264][ T5067] ? security_bpf_prog_load+0x87/0xb0 [ 55.747624][ T5067] bpf_prog_load+0x1667/0x20f0 [ 55.752387][ T5067] ? __pfx_bpf_prog_load+0x10/0x10 [ 55.757494][ T5067] ? __pfx___might_resched+0x10/0x10 [ 55.762777][ T5067] ? __might_fault+0xc6/0x120 [ 55.767445][ T5067] ? bpf_lsm_bpf+0x9/0x10 [ 55.771762][ T5067] ? security_bpf+0x87/0xb0 [ 55.776251][ T5067] __sys_bpf+0x4ee/0x810 [ 55.780479][ T5067] ? __pfx___sys_bpf+0x10/0x10 [ 55.785238][ T5067] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 55.791560][ T5067] ? exc_page_fault+0x585/0x890 [ 55.796399][ T5067] __x64_sys_bpf+0x7c/0x90 [ 55.800803][ T5067] do_syscall_64+0xfb/0x240 [ 55.805297][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.811189][ T5067] RIP: 0033:0x7f9acb26f3e9 [ 55.815592][ T5067] 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 [ 55.835271][ T5067] RSP: 002b:00007fff9ec52bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 55.843689][ T5067] RAX: ffffffffffffffda RBX: 00007fff9ec52db8 RCX: 00007f9acb26f3e9 [ 55.851652][ T5067] RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 [ 55.859610][ T5067] RBP: 00007f9acb2e2610 R08: 0000000000000000 R09: 0000000000000000 [ 55.867564][ T5067] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 55.875519][ T5067] R13: 00007fff9ec52da8 R14: 0000000000000001 R15: 0000000000000001 [ 55.883481][ T5067] [ 55.886494][ T5067] Modules linked in: [ 55.890639][ T5067] ---[ end trace 0000000000000000 ]--- [ 55.896104][ T5067] RIP: 0010:bpf_check+0xa19b/0x19010 [ 55.901499][ T5067] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 8d 93 50 00 48 b9 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <0f> b6 04 08 84 c0 0f 85 e3 4c 00 00 8b 1b be 00 00 04 00 21 de 31 [ 55.921151][ T5067] RSP: 0018:ffffc90003cbf1e0 EFLAGS: 00010206 [ 55.927204][ T5067] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 55.935280][ T5067] RDX: ffff888017fd1e00 RSI: 0000000000010000 RDI: 0000000000000001 [ 55.943287][ T5067] RBP: ffffc90003cbfb50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 55.951294][ T5067] R10: 0000000000000004 R11: ffff888017fd1e00 R12: ffffc90000ade072 [ 55.959316][ T5067] R13: 1ffff9200015bc0e R14: 1ffff9200015bc0e R15: 0000000000010000 [ 55.967294][ T5067] FS: 0000555584df0380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 55.976243][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.982888][ T5067] CR2: 00007f52c91f1b10 CR3: 000000007ef80000 CR4: 00000000003506f0 [ 55.990872][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.998877][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.006832][ T5067] Kernel panic - not syncing: Fatal exception [ 56.013229][ T5067] Kernel Offset: disabled [ 56.017545][ T5067] Rebooting in 86400 seconds..