./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1155660243 <...> Warning: Permanently added '10.128.0.115' (ED25519) to the list of known hosts. execve("./syz-executor1155660243", ["./syz-executor1155660243"], 0x7ffecaefa890 /* 10 vars */) = 0 brk(NULL) = 0x55555905c000 brk(0x55555905cd00) = 0x55555905cd00 arch_prctl(ARCH_SET_FS, 0x55555905c380) = 0 set_tid_address(0x55555905c650) = 5066 set_robust_list(0x55555905c660, 24) = 0 rseq(0x55555905cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1155660243", 4096) = 28 getrandom("\x35\xa3\x05\x44\xde\x72\x11\x46", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555905cd00 brk(0x55555907dd00) = 0x55555907dd00 brk(0x55555907e000) = 0x55555907e000 mprotect(0x7f42597c1000, 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 syzkaller login: [ 72.494216][ T5066] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI [ 72.507222][ T5066] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 72.517390][ T5066] CPU: 1 PID: 5066 Comm: syz-executor115 Not tainted 6.8.0-syzkaller-05232-gddb2ffdc474a #0 [ 72.528689][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 72.541575][ T5066] RIP: 0010:bpf_check+0xa19b/0x19010 [ 72.546932][ T5066] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 2d 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 [ 72.568765][ T5066] RSP: 0018:ffffc900039671e0 EFLAGS: 00010206 [ 72.575931][ T5066] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 72.584624][ T5066] RDX: ffff888018358000 RSI: 0000000000010000 RDI: 0000000000000001 [ 72.593509][ T5066] RBP: ffffc90003967b50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 72.602139][ T5066] R10: 0000000000000004 R11: ffff888018358000 R12: ffffc90000ace072 [ 72.611702][ T5066] R13: 1ffff92000159c0e R14: 1ffff92000159c0e R15: 0000000000010000 [ 72.622276][ T5066] FS: 000055555905c380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 72.631513][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.638102][ T5066] CR2: 00000000111ed398 CR3: 000000002258e000 CR4: 00000000003506f0 [ 72.646076][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.654130][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.662212][ T5066] Call Trace: [ 72.665516][ T5066] [ 72.668466][ T5066] ? __die_body+0x88/0xe0 [ 72.672796][ T5066] ? die_addr+0x108/0x140 [ 72.677212][ T5066] ? exc_general_protection+0x3dd/0x5d0 [ 72.682891][ T5066] ? asm_exc_general_protection+0x26/0x30 [ 72.688717][ T5066] ? bpf_check+0xa205/0x19010 [ 72.693487][ T5066] ? bpf_check+0x9fc8/0x19010 [ 72.698200][ T5066] ? bpf_check+0xa19b/0x19010 [ 72.702913][ T5066] ? __pfx_bpf_check+0x10/0x10 [ 72.707679][ T5066] ? validate_chain+0x11b/0x58e0 [ 72.712624][ T5066] ? __pfx_validate_chain+0x10/0x10 [ 72.717827][ T5066] ? mark_lock+0x9a/0x350 [ 72.722172][ T5066] ? mark_lock+0x9a/0x350 [ 72.726499][ T5066] ? __lock_acquire+0x1346/0x1fd0 [ 72.731616][ T5066] ? mark_lock+0x9a/0x350 [ 72.735945][ T5066] ? __lock_acquire+0x1346/0x1fd0 [ 72.740978][ T5066] ? __pfx_lock_acquire+0x10/0x10 [ 72.746093][ T5066] ? ktime_get_with_offset+0x105/0x330 [ 72.751555][ T5066] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.757534][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.763881][ T5066] ? lockdep_hardirqs_on+0x99/0x150 [ 72.769089][ T5066] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 72.775686][ T5066] ? __check_object_size+0x8e/0xa00 [ 72.780905][ T5066] ? bpf_obj_name_cpy+0x18a/0x1d0 [ 72.785950][ T5066] ? bpf_lsm_bpf_prog_load+0x9/0x10 [ 72.791148][ T5066] ? security_bpf_prog_load+0x87/0xb0 [ 72.796522][ T5066] bpf_prog_load+0x1667/0x20f0 [ 72.801293][ T5066] ? __pfx_bpf_prog_load+0x10/0x10 [ 72.806419][ T5066] ? __pfx___might_resched+0x10/0x10 [ 72.811709][ T5066] ? __might_fault+0xc6/0x120 [ 72.816382][ T5066] ? bpf_lsm_bpf+0x9/0x10 [ 72.820714][ T5066] ? security_bpf+0x87/0xb0 [ 72.825218][ T5066] __sys_bpf+0x4ee/0x810 [ 72.829462][ T5066] ? __pfx___sys_bpf+0x10/0x10 [ 72.834236][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.840562][ T5066] ? exc_page_fault+0x585/0x890 [ 72.845419][ T5066] __x64_sys_bpf+0x7c/0x90 [ 72.849835][ T5066] do_syscall_64+0xfb/0x240 [ 72.854431][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 72.860332][ T5066] RIP: 0033:0x7f425974e3e9 [ 72.864748][ 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 [ 72.884439][ T5066] RSP: 002b:00007ffe73dd9d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 72.892856][ T5066] RAX: ffffffffffffffda RBX: 00007ffe73dd9f18 RCX: 00007f425974e3e9 [ 72.900825][ T5066] RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 [ 72.908809][ T5066] RBP: 00007f42597c1610 R08: 0000000000000000 R09: 0000000000000000 [ 72.916797][ T5066] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 72.924779][ T5066] R13: 00007ffe73dd9f08 R14: 0000000000000001 R15: 0000000000000001 [ 72.932757][ T5066] [ 72.935771][ T5066] Modules linked in: [ 72.940267][ T5066] ---[ end trace 0000000000000000 ]--- [ 72.945760][ T5066] RIP: 0010:bpf_check+0xa19b/0x19010 [ 72.951166][ T5066] Code: 48 c1 e8 03 80 3c 08 00 74 12 48 89 df e8 2d 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 [ 72.970981][ T5066] RSP: 0018:ffffc900039671e0 EFLAGS: 00010206 [ 72.977198][ T5066] RAX: 0000000000000006 RBX: 0000000000000030 RCX: dffffc0000000000 [ 72.985255][ T5066] RDX: ffff888018358000 RSI: 0000000000010000 RDI: 0000000000000001 [ 72.993338][ T5066] RBP: ffffc90003967b50 R08: ffffffff81a7a128 R09: ffffffff81a7a365 [ 73.001391][ T5066] R10: 0000000000000004 R11: ffff888018358000 R12: ffffc90000ace072 [ 73.009461][ T5066] R13: 1ffff92000159c0e R14: 1ffff92000159c0e R15: 0000000000010000 [ 73.017525][ T5066] FS: 000055555905c380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 73.026574][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.033234][ T5066] CR2: 00000000111ed398 CR3: 000000002258e000 CR4: 00000000003506f0 [ 73.041356][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.049569][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.057961][ T5066] Kernel panic - not syncing: Fatal exception [ 73.064394][ T5066] Kernel Offset: disabled [ 73.068731][ T5066] Rebooting in 86400 seconds..