./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2392487827 <...> Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. execve("./syz-executor2392487827", ["./syz-executor2392487827"], 0x7ffcac80f700 /* 10 vars */) = 0 brk(NULL) = 0x5555902a1000 brk(0x5555902a1d00) = 0x5555902a1d00 arch_prctl(ARCH_SET_FS, 0x5555902a1380) = 0 set_tid_address(0x5555902a1650) = 5066 set_robust_list(0x5555902a1660, 24) = 0 rseq(0x5555902a1ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2392487827", 4096) = 28 getrandom("\xbe\x90\x8f\xbb\x83\xf5\x04\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555902a1d00 brk(0x5555902c2d00) = 0x5555902c2d00 brk(0x5555902c3000) = 0x5555902c3000 mprotect(0x7ff270cda000, 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 [ 61.286206][ T5066] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.298311][ T5066] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 61.306721][ T5066] CPU: 0 PID: 5066 Comm: syz-executor239 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0 [ 61.316766][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 61.326807][ T5066] RIP: 0010:bpf_check+0xa19b/0x19010 [ 61.332172][ T5066] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 cd 91 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 [ 61.351762][ T5066] RSP: 0018:ffffc900042871e0 EFLAGS: 00010206 [ 61.357808][ T5066] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 61.365765][ T5066] RDX: ffff888069fb8000 RSI: 0000000000010000 RDI: 0000000000000001 [ 61.373719][ T5066] RBP: ffffc90004287b50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 61.381685][ T5066] R10: 0000000000000004 R11: ffff888069fb8000 R12: ffffc90000ace072 [ 61.389635][ T5066] R13: 1ffff92000159c0e R14: 1ffff92000159c0e R15: 0000000000010000 [ 61.397585][ T5066] FS: 00005555902a1380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 61.406504][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.413066][ T5066] CR2: 0000000021c55388 CR3: 000000007e64e000 CR4: 00000000003506f0 [ 61.421021][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.428971][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.436922][ T5066] Call Trace: [ 61.440183][ T5066] [ 61.443126][ T5066] ? __die_body+0x88/0xe0 [ 61.447444][ T5066] ? die_addr+0x108/0x140 [ 61.451767][ T5066] ? exc_general_protection+0x3dd/0x5d0 [ 61.457311][ T5066] ? asm_exc_general_protection+0x26/0x30 [ 61.463012][ T5066] ? bpf_check+0xa205/0x19010 [ 61.467673][ T5066] ? bpf_check+0x9fc8/0x19010 [ 61.472335][ T5066] ? bpf_check+0xa19b/0x19010 [ 61.477010][ T5066] ? __pfx_bpf_check+0x10/0x10 [ 61.481753][ T5066] ? validate_chain+0x11b/0x58e0 [ 61.486674][ T5066] ? __pfx_validate_chain+0x10/0x10 [ 61.491849][ T5066] ? mark_lock+0x9a/0x350 [ 61.496167][ T5066] ? mark_lock+0x9a/0x350 [ 61.500477][ T5066] ? __lock_acquire+0x1346/0x1fd0 [ 61.505740][ T5066] ? mark_lock+0x9a/0x350 [ 61.510080][ T5066] ? __lock_acquire+0x1346/0x1fd0 [ 61.515183][ T5066] ? __pfx_lock_acquire+0x10/0x10 [ 61.520185][ T5066] ? ktime_get_with_offset+0x105/0x330 [ 61.525623][ T5066] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 61.531577][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.537884][ T5066] ? lockdep_hardirqs_on+0x99/0x150 [ 61.543061][ T5066] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 61.549638][ T5066] ? __check_object_size+0x8e/0xa00 [ 61.554819][ T5066] ? bpf_obj_name_cpy+0x18a/0x1d0 [ 61.559826][ T5066] ? bpf_lsm_bpf_prog_load+0x9/0x10 [ 61.565003][ T5066] ? security_bpf_prog_load+0x87/0xb0 [ 61.570376][ T5066] bpf_prog_load+0x1667/0x20f0 [ 61.575130][ T5066] ? __pfx_bpf_prog_load+0x10/0x10 [ 61.580222][ T5066] ? __pfx___might_resched+0x10/0x10 [ 61.585491][ T5066] ? __might_fault+0xc6/0x120 [ 61.590162][ T5066] ? bpf_lsm_bpf+0x9/0x10 [ 61.594561][ T5066] ? security_bpf+0x87/0xb0 [ 61.599046][ T5066] __sys_bpf+0x4ee/0x810 [ 61.603267][ T5066] ? __pfx___sys_bpf+0x10/0x10 [ 61.608033][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.614343][ T5066] ? exc_page_fault+0x585/0x890 [ 61.619173][ T5066] __x64_sys_bpf+0x7c/0x90 [ 61.623567][ T5066] do_syscall_64+0xfb/0x240 [ 61.628053][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 61.633927][ T5066] RIP: 0033:0x7ff270c673e9 [ 61.638320][ T5066] 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 [ 61.657984][ T5066] RSP: 002b:00007ffd5ea50dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 61.666380][ T5066] RAX: ffffffffffffffda RBX: 00007ffd5ea50fa8 RCX: 00007ff270c673e9 [ 61.674342][ T5066] RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 [ 61.682380][ T5066] RBP: 00007ff270cda610 R08: 0000000000000000 R09: 0000000000000000 [ 61.690336][ T5066] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 61.698286][ T5066] R13: 00007ffd5ea50f98 R14: 0000000000000001 R15: 0000000000000001 [ 61.706240][ T5066] [ 61.709326][ T5066] Modules linked in: [ 61.713406][ T5066] ---[ end trace 0000000000000000 ]--- [ 61.718882][ T5066] RIP: 0010:bpf_check+0xa19b/0x19010 [ 61.724281][ T5066] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 cd 91 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 [ 61.743975][ T5066] RSP: 0018:ffffc900042871e0 EFLAGS: 00010206 [ 61.750112][ T5066] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 61.758092][ T5066] RDX: ffff888069fb8000 RSI: 0000000000010000 RDI: 0000000000000001 [ 61.766185][ T5066] RBP: ffffc90004287b50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 61.774269][ T5066] R10: 0000000000000004 R11: ffff888069fb8000 R12: ffffc90000ace072 [ 61.782265][ T5066] R13: 1ffff92000159c0e R14: 1ffff92000159c0e R15: 0000000000010000 [ 61.790270][ T5066] FS: 00005555902a1380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 61.799189][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.805793][ T5066] CR2: 000055859fe14798 CR3: 000000007e64e000 CR4: 00000000003506f0 [ 61.813790][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.821876][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.829892][ T5066] Kernel panic - not syncing: Fatal exception [ 61.836385][ T5066] Kernel Offset: disabled [ 61.840700][ T5066] Rebooting in 86400 seconds..