ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor2476762657 <...> Warning: Permanently added '10.128.1.180' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor2476762657", ["ci-upstream-rust-kasan-gce/syz-executor2476762657"], 0x7ffd239aa540 /* 10 vars */) = 0 brk(NULL) = 0x555590207000 brk(0x555590207d80) = 0x555590207d80 arch_prctl(ARCH_SET_FS, 0x555590207400) = 0 set_tid_address(0x5555902076d0) = 5611 set_robust_list(0x5555902076e0, 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-executor2476762657", 4096) = 55 getrandom("\x45\x1f\x05\x18\xbb\x8c\xc3\xc4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555590207d80 brk(0x555590228d80) = 0x555590228d80 brk(0x555590229000) = 0x555590229000 mprotect(0x7fe0f6068000, 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 getrandom("\x9e\x70\x7a\xf9\xab\xf3\x97\x78", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.aN7Kcu", 0700) = 0 chmod("./syzkaller.aN7Kcu", 0777) = 0 chdir("./syzkaller.aN7Kcu") = 0 mkdir("./0", 0777) = 0 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 5612 attached [pid 5612] set_robust_list(0x5555902076e0, 24 [pid 5611] <... clone resumed>, child_tidptr=0x5555902076d0) = 5612 [pid 5611] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] <... set_robust_list resumed>) = 0 [pid 5611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] chdir("./0") = 0 [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5612] setpgid(0, 0) = 0 [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5612] write(3, "1000", 4) = 4 [pid 5612] close(3) = 0 [pid 5612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5612] write(1, "executing program\n", 18) = 18 executing program [pid 5612] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5612] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5612] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [ 100.525432][ T5612] dummy_hcd dummy_hcd.0: remove, state 4 [ 100.525556][ T5612] usb usb1: USB disconnect, device number 1 [pid 5612] write(3, "dummy_hcd.0", 11) = 11 [pid 5612] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 4 [pid 5612] ioctl(4, USB_RAW_IOCTL_INIT, 0x7fffc7097700) = 0 [ 100.568575][ T5612] dummy_hcd dummy_hcd.0: stopped [ 100.568600][ T5612] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 100.604354][ T5612] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 100.604374][ T5612] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 100.604400][ T5612] CPU: 1 UID: 0 PID: 5612 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 100.604418][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 100.604427][ T5612] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 100.604454][ T5612] 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 [ 100.604467][ T5612] RSP: 0018:ffffc90004aff810 EFLAGS: 00010246 [ 100.604481][ T5612] RAX: 0000000000000000 RBX: ffff888025c4a090 RCX: ffff888035e95dc0 [ 100.604493][ T5612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 100.604502][ T5612] RBP: ffff88802ad6b000 R08: ffff888035e95dc0 R09: 0000000000000004 [ 100.604512][ T5612] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 100.604522][ T5612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 100.604531][ T5612] FS: 0000555590207400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 100.604544][ T5612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.604554][ T5612] CR2: 00007fe0f606f000 CR3: 0000000035fd8000 CR4: 00000000003526f0 [ 100.604568][ T5612] Call Trace: [ 100.604573][ T5612] [ 100.604579][ T5612] ? __pfx_dummy_udc_start+0x10/0x10 [ 100.604602][ T5612] gadget_bind_driver+0x3a8/0x9e0 [ 100.604621][ T5612] ? __pfx_gadget_bind_driver+0x10/0x10 [ 100.604635][ T5612] really_probe+0x254/0xae0 [ 100.604657][ T5612] __driver_probe_device+0x1e8/0x360 [ 100.604684][ T5612] driver_probe_device+0x4f/0x240 [ 100.604704][ T5612] __driver_attach+0x339/0x600 [ 100.604723][ T5612] bus_for_each_dev+0x23e/0x2c0 [ 100.604757][ T5612] ? __pfx___driver_attach+0x10/0x10 [ 100.604775][ T5612] ? __pfx_bus_for_each_dev+0x10/0x10 [ 100.604797][ T5612] ? rt_spin_unlock+0x157/0x200 [ 100.604819][ T5612] ? rt_spin_unlock+0x163/0x200 [ 100.604840][ T5612] bus_add_driver+0x348/0x670 [ 100.604866][ T5612] driver_register+0x23a/0x320 [ 100.604888][ T5612] usb_gadget_register_driver_owner+0xf9/0x270 [ 100.604916][ T5612] raw_ioctl+0x1503/0x40d0 [ 100.604937][ T5612] ? tomoyo_path_number_perm+0x219/0x5f0 [ 100.604958][ T5612] ? do_vfs_ioctl+0x1184/0x1550 [ 100.604980][ T5612] ? __pfx_raw_ioctl+0x10/0x10 [ 100.605012][ T5612] ? __pfx_ptrace_notify+0x10/0x10 [ 100.605029][ T5612] ? rcu_is_watching+0x15/0xb0 [ 100.605048][ T5612] ? bpf_lsm_file_ioctl+0x9/0x20 [ 100.605072][ T5612] ? __pfx_raw_ioctl+0x10/0x10 [ 100.605091][ T5612] __se_sys_ioctl+0xff/0x170 [ 100.605111][ T5612] do_syscall_64+0x17b/0x530 [ 100.605126][ T5612] ? irqentry_exit+0x10f/0x8f0 [ 100.605140][ T5612] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.605156][ T5612] ? clear_bhb_loop+0x40/0x90 [ 100.605173][ T5612] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.605189][ T5612] RIP: 0033:0x7fe0f5fd525b [ 100.605208][ T5612] 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 [ 100.605220][ T5612] RSP: 002b:00007fffc7096630 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 100.605236][ T5612] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe0f5fd525b [ 100.605246][ T5612] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 [ 100.605255][ T5612] RBP: 00007fffc7097700 R08: 0000000000000001 R09: 00000000ffffffff [ 100.605265][ T5612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.605274][ T5612] R13: 00007fe0f606eb20 R14: 00007fffc70966d0 R15: 0000000000000000 [ 100.605290][ T5612] [ 100.605295][ T5612] Modules linked in: [ 100.605329][ T5612] ---[ end trace 0000000000000000 ]--- [ 100.605376][ T5612] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 100.605399][ T5612] 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 [ 100.605411][ T5612] RSP: 0018:ffffc90004aff810 EFLAGS: 00010246 [ 100.605423][ T5612] RAX: 0000000000000000 RBX: ffff888025c4a090 RCX: ffff888035e95dc0 [ 100.605434][ T5612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 100.605443][ T5612] RBP: ffff88802ad6b000 R08: ffff888035e95dc0 R09: 0000000000000004 [ 100.605480][ T5612] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 100.605489][ T5612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 100.605498][ T5612] FS: 0000555590207400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 100.605511][ T5612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.605522][ T5612] CR2: 00007fe0f606f000 CR3: 0000000035fd8000 CR4: 00000000003526f0 [ 100.605537][ T5612] Kernel panic - not syncing: Fatal exception [ 100.605725][ T5612] Kernel Offset: disabled