ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor383494412 <...> Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor383494412", ["ci-upstream-rust-kasan-gce/syz-executor383494412"], 0x7ffed73a73d0 /* 10 vars */) = 0 brk(NULL) = 0x55556fc4d000 brk(0x55556fc4dd80) = 0x55556fc4dd80 arch_prctl(ARCH_SET_FS, 0x55556fc4d400) = 0 set_tid_address(0x55556fc4d6d0) = 5606 set_robust_list(0x55556fc4d6e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-rust-kasan-gce/syz-executor383494412", 4096) = 54 getrandom("\x35\x9e\x90\xba\x5b\x1e\xf4\xd7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556fc4dd80 brk(0x55556fc6ed80) = 0x55556fc6ed80 brk(0x55556fc6f000) = 0x55556fc6f000 mprotect(0x7fdd94085000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5607 attached , child_tidptr=0x55556fc4d6d0) = 5607 [pid 5607] set_robust_list(0x55556fc4d6e0, 24 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5607] <... set_robust_list resumed>) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5607] setpgid(0, 0) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5607] write(3, "1000", 4) = 4 [pid 5607] close(3) = 0 executing program [pid 5607] write(1, "executing program\n", 18) = 18 [pid 5607] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5607] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5607] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [ 85.805294][ T5607] dummy_hcd dummy_hcd.0: remove, state 4 [ 85.806154][ T5607] usb usb1: USB disconnect, device number 1 [ 85.849855][ T5607] dummy_hcd dummy_hcd.0: stopped [pid 5607] write(3, "dummy_hcd.0", 11) = 11 [pid 5607] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 4 [pid 5607] ioctl(4, USB_RAW_IOCTL_INIT, 0x7ffcf8840e90) = 0 [ 85.849880][ T5607] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 85.890289][ T5607] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 85.890310][ T5607] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 85.890341][ T5607] CPU: 1 UID: 0 PID: 5607 Comm: syz-executor383 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 85.890363][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 85.890374][ T5607] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 85.890407][ T5607] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 93 00 00 00 e8 a5 09 8c fa eb 0c e8 9e 09 8c fa eb 05 e8 97 09 8c fa 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 61 60 f8 fa 4d 8b 36 4c 89 f7 e8 [ 85.890427][ T5607] RSP: 0000:ffffc90004b7f810 EFLAGS: 00010246 [ 85.890444][ T5607] RAX: 0000000000000000 RBX: ffff88803804a090 RCX: ffff8880404e1f40 [ 85.890467][ T5607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 85.890478][ T5607] RBP: ffff88802afd3000 R08: ffff8880404e1f40 R09: 0000000000000004 [ 85.890490][ T5607] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 85.890502][ T5607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 85.890513][ T5607] FS: 000055556fc4d400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 85.890529][ T5607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.890541][ T5607] CR2: 00007ffcf8840e90 CR3: 0000000044d10000 CR4: 00000000003526f0 [ 85.890555][ T5607] Call Trace: [ 85.890561][ T5607] [ 85.890568][ T5607] ? __pfx_dummy_udc_start+0x10/0x10 [ 85.890592][ T5607] gadget_bind_driver+0x3a8/0x9e0 [ 85.890612][ T5607] ? __pfx_gadget_bind_driver+0x10/0x10 [ 85.890628][ T5607] really_probe+0x254/0xae0 [ 85.890651][ T5607] __driver_probe_device+0x1e8/0x360 [ 85.890672][ T5607] driver_probe_device+0x4f/0x240 [ 85.890694][ T5607] __driver_attach+0x339/0x600 [ 85.890715][ T5607] bus_for_each_dev+0x23e/0x2c0 [ 85.890741][ T5607] ? __pfx___driver_attach+0x10/0x10 [ 85.890762][ T5607] ? __pfx_bus_for_each_dev+0x10/0x10 [ 85.890787][ T5607] ? rt_spin_unlock+0x157/0x200 [ 85.890813][ T5607] ? rt_spin_unlock+0x163/0x200 [ 85.890835][ T5607] bus_add_driver+0x348/0x670 [ 85.890862][ T5607] driver_register+0x23a/0x320 [ 85.890886][ T5607] usb_gadget_register_driver_owner+0xf9/0x270 [ 85.890916][ T5607] raw_ioctl+0x1503/0x40d0 [ 85.890939][ T5607] ? tomoyo_path_number_perm+0x219/0x5f0 [ 85.890962][ T5607] ? do_vfs_ioctl+0x1184/0x1550 [ 85.890988][ T5607] ? __pfx_raw_ioctl+0x10/0x10 [ 85.891021][ T5607] ? __pfx_ptrace_notify+0x10/0x10 [ 85.891041][ T5607] ? rcu_is_watching+0x15/0xb0 [ 85.891061][ T5607] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.891089][ T5607] ? __pfx_raw_ioctl+0x10/0x10 [ 85.891109][ T5607] __se_sys_ioctl+0xff/0x170 [ 85.891131][ T5607] do_syscall_64+0x17b/0x530 [ 85.891149][ T5607] ? irqentry_exit+0x10f/0x8f0 [ 85.891166][ T5607] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.891183][ T5607] ? clear_bhb_loop+0x40/0x90 [ 85.891203][ T5607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.891220][ T5607] RIP: 0033:0x7fdd93ff1ddb [ 85.891243][ T5607] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 85.891255][ T5607] RSP: 002b:00007ffcf883fdc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.891273][ T5607] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdd93ff1ddb [ 85.891286][ T5607] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 [ 85.891296][ T5607] RBP: 00007ffcf8840e90 R08: 0000000000000001 R09: 00000000ffffffff [ 85.891308][ T5607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.891318][ T5607] R13: 00007fdd9408bb20 R14: 00007ffcf883fe60 R15: 0000000000000002 [ 85.891336][ T5607] [ 85.891342][ T5607] Modules linked in: [ 85.891379][ T5607] ---[ end trace 0000000000000000 ]--- [ 85.891435][ T5607] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 85.891468][ T5607] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 93 00 00 00 e8 a5 09 8c fa eb 0c e8 9e 09 8c fa eb 05 e8 97 09 8c fa 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 61 60 f8 fa 4d 8b 36 4c 89 f7 e8 [ 85.891481][ T5607] RSP: 0000:ffffc90004b7f810 EFLAGS: 00010246 [ 85.891496][ T5607] RAX: 0000000000000000 RBX: ffff88803804a090 RCX: ffff8880404e1f40 [ 85.891509][ T5607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 85.891520][ T5607] RBP: ffff88802afd3000 R08: ffff8880404e1f40 R09: 0000000000000004 [ 85.891533][ T5607] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 85.891545][ T5607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 85.891555][ T5607] FS: 000055556fc4d400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 85.891571][ T5607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.891583][ T5607] CR2: 00007ffcf8840e90 CR3: 0000000044d10000 CR4: 00000000003526f0 [ 85.891600][ T5607] Kernel panic - not syncing: Fatal exception [ 85.891915][ T5607] Kernel Offset: disabled