./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1764772124 <...> Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. execve("./syz-executor1764772124", ["./syz-executor1764772124"], 0x7ffd204e2ea0 /* 10 vars */) = 0 brk(NULL) = 0x5555684d7000 brk(0x5555684d7d00) = 0x5555684d7d00 arch_prctl(ARCH_SET_FS, 0x5555684d7380) = 0 set_tid_address(0x5555684d7650) = 5845 set_robust_list(0x5555684d7660, 24) = 0 rseq(0x5555684d7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1764772124", 4096) = 28 getrandom("\xc0\xb2\x01\x7c\x9e\xcb\x1e\xc5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555684d7d00 brk(0x5555684f8d00) = 0x5555684f8d00 brk(0x5555684f9000) = 0x5555684f9000 mprotect(0x7f96c022b000, 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 write(1, "executing program\n", 18executing program ) = 18 mmap(0x20000000, 16732160, PROT_WRITE|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE|MAP_POPULATE|MAP_NONBLOCK|MAP_DENYWRITE|MAP_HUGETLB, -1, 0) = 0x20000000 io_uring_setup(1205, 0x20010400) = 3 mmap(NULL, 73792, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f96c0166000 mmap(NULL, 131072, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f96c0146000 io_uring_register(3, IORING_REGISTER_BUFFERS, 0x20010300, 2) = 0 [ 68.167435][ T5845] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI [ 68.180037][ T5845] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 68.188440][ T5845] CPU: 0 UID: 0 PID: 5845 Comm: syz-executor176 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0 [ 68.199005][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 68.209051][ T5845] RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 [ 68.215295][ T5845] Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60 [ 68.234914][ T5845] RSP: 0018:ffffc90003faf640 EFLAGS: 00010206 [ 68.240963][ T5845] RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 [ 68.248915][ T5845] RDX: ffff88807ef14128 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.256885][ T5845] RBP: ffffc90003faf7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003a8000 [ 68.264853][ T5845] R10: dffffc0000000000 R11: fffff940003a8001 R12: ffffea0001d40000 [ 68.272819][ T5845] R13: 0000000000000006 R14: 1ffff110060dc350 R15: ffff8880306e1a80 [ 68.280771][ T5845] FS: 00005555684d7380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 68.289679][ T5845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.296241][ T5845] CR2: 0000000020010404 CR3: 000000007ea62000 CR4: 00000000003526f0 [ 68.304193][ T5845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.312166][ T5845] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.320116][ T5845] Call Trace: [ 68.323383][ T5845] [ 68.326296][ T5845] ? __die_body+0x5f/0xb0 [ 68.330609][ T5845] ? die_addr+0xb0/0xe0 [ 68.334745][ T5845] ? exc_general_protection+0x3dd/0x5d0 [ 68.340284][ T5845] ? asm_exc_general_protection+0x26/0x30 [ 68.345991][ T5845] ? io_sqe_buffer_register+0xa27/0x2cf0 [ 68.351602][ T5845] ? io_sqe_buffer_register+0xaa8/0x2cf0 [ 68.357215][ T5845] ? __pfx_io_sqe_buffer_register+0x10/0x10 [ 68.363103][ T5845] ? __might_fault+0xc6/0x120 [ 68.367766][ T5845] __io_register_rsrc_update+0x5c8/0x1320 [ 68.373492][ T5845] ? __pfx___might_resched+0x10/0x10 [ 68.378799][ T5845] ? __pfx___io_register_rsrc_update+0x10/0x10 [ 68.384930][ T5845] ? rcu_is_watching+0x15/0xb0 [ 68.389672][ T5845] ? __pfx_lock_release+0x10/0x10 [ 68.394678][ T5845] ? trace_contention_end+0x3c/0x120 [ 68.399939][ T5845] ? __mutex_lock+0x37f/0xee0 [ 68.404621][ T5845] ? __might_fault+0xc6/0x120 [ 68.409295][ T5845] io_register_rsrc_update+0x1d1/0x230 [ 68.414734][ T5845] ? __pfx_io_register_rsrc_update+0x10/0x10 [ 68.420701][ T5845] ? __fget_files+0x395/0x410 [ 68.425366][ T5845] ? __fget_files+0x2a/0x410 [ 68.429936][ T5845] __se_sys_io_uring_register+0x8ee/0x40d0 [ 68.435742][ T5845] ? do_raw_spin_lock+0x14f/0x370 [ 68.440752][ T5845] ? __pfx___se_sys_io_uring_register+0x10/0x10 [ 68.446997][ T5845] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 68.452959][ T5845] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.459267][ T5845] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.464445][ T5845] ? lockdep_hardirqs_on+0x99/0x150 [ 68.469628][ T5845] ? _raw_spin_unlock_irq+0x2e/0x50 [ 68.474820][ T5845] ? ptrace_notify+0x279/0x380 [ 68.479578][ T5845] ? __pfx_ptrace_notify+0x10/0x10 [ 68.484682][ T5845] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.491032][ T5845] ? do_syscall_64+0x100/0x230 [ 68.495790][ T5845] do_syscall_64+0xf3/0x230 [ 68.500286][ T5845] ? clear_bhb_loop+0x35/0x90 [ 68.504972][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.510864][ T5845] RIP: 0033:0x7f96c01b8469 [ 68.515276][ T5845] 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 [ 68.534876][ T5845] RSP: 002b:00007ffc4e36b3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab [ 68.543284][ T5845] RAX: ffffffffffffffda RBX: 00000000000004b5 RCX: 00007f96c01b8469 [ 68.551242][ T5845] RDX: 0000000020000600 RSI: 0000000000000010 RDI: 0000000000000003 [ 68.559203][ T5845] RBP: 0000000000000003 R08: 00000000000ac5f8 R09: 00000000000ac5f8 [ 68.567162][ T5845] R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000001 [ 68.575122][ T5845] R13: 00007ffc4e36b578 R14: 0000000000000001 R15: 0000000000000001 [ 68.583100][ T5845] [ 68.586116][ T5845] Modules linked in: [ 68.590222][ T5845] ---[ end trace 0000000000000000 ]--- [ 68.595975][ T5845] RIP: 0010:io_sqe_buffer_register+0xaa8/0x2cf0 [ 68.602235][ T5845] Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 b0 8a 55 fd 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 8a 8a 55 fd 48 8b 03 48 89 44 24 60 [ 68.621879][ T5845] RSP: 0018:ffffc90003faf640 EFLAGS: 00010206 [ 68.628017][ T5845] RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 [ 68.636029][ T5845] RDX: ffff88807ef14128 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.644008][ T5845] RBP: ffffc90003faf7f0 R08: ffffffff84a9ce37 R09: 1ffffd40003a8000 [ 68.652023][ T5845] R10: dffffc0000000000 R11: fffff940003a8001 R12: ffffea0001d40000 [ 68.660023][ T5845] R13: 0000000000000006 R14: 1ffff110060dc350 R15: ffff8880306e1a80 [ 68.668036][ T5845] FS: 00005555684d7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 68.677013][ T5845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.683583][ T5845] CR2: 00007f96c017d020 CR3: 000000007ea62000 CR4: 00000000003526f0 [ 68.691593][ T5845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.699607][ T5845] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.707909][ T5845] Kernel panic - not syncing: Fatal exception [ 68.714246][ T5845] Kernel Offset: disabled [ 68.718599][ T5845] Rebooting in 86400 seconds..