ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor4084643721 <...> Warning: Permanently added '10.128.0.185' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor4084643721", ["ci-upstream-rust-kasan-gce/syz-executor4084643721"], 0x7ffee0405300 /* 10 vars */) = 0 brk(NULL) = 0x555580abc000 brk(0x555580abcd80) = 0x555580abcd80 arch_prctl(ARCH_SET_FS, 0x555580abc400) = 0 set_tid_address(0x555580abc6d0) = 5611 set_robust_list(0x555580abc6e0, 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-executor4084643721", 4096) = 55 getrandom("\x95\x17\xc3\x92\x66\x7f\xea\x06", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555580abcd80 brk(0x555580addd80) = 0x555580addd80 brk(0x555580ade000) = 0x555580ade000 mprotect(0x7f59ef3f2000, 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 5612 attached , child_tidptr=0x555580abc6d0) = 5612 [pid 5611] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] set_robust_list(0x555580abc6e0, 24) = 0 [pid 5611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 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] 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 [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, 0x7ffed40b4220) = 0 [ 90.878857][ T5612] dummy_hcd dummy_hcd.0: remove, state 4 [ 90.878968][ T5612] usb usb1: USB disconnect, device number 1 [ 90.909754][ T5612] dummy_hcd dummy_hcd.0: stopped [ 90.909775][ T5612] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 90.969689][ T5612] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 90.969705][ T5612] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 90.969727][ T5612] CPU: 0 UID: 0 PID: 5612 Comm: syz-executor408 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 90.969742][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 90.969750][ T5612] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 90.969772][ 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 [ 90.969786][ T5612] RSP: 0018:ffffc90004bc7810 EFLAGS: 00010246 [ 90.969839][ T5612] RAX: 0000[ 90.969839][ T5612] RAX: 0000000000000000 RBX: ffff88803daaa090 RCX: ffff88801e7e5dc0 [ 90.969853][ T5612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 90.969864][ T5612] RBP: ffff88802b453000 R08: ffff88801e7e5dc0 R09: 0000000000000004 [ 90.969877][ T5612] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 90.969888][ T5612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 90.969900][ T5612] FS: 0000555580abc400(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 [ 90.969916][ T5612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.969928][ T5612] CR2: 000000000062b5d8 CR3: 0000000044568000 CR4: 00000000003526f0 [ 90.969944][ T5612] Call Trace: [ 90.969951][ T5612] [ 90.969959][ T5612] ? __pfx_dummy_udc_start+0x10/0x10 [ 90.969987][ T5612] gadget_bind_driver+0x3a8/0x9e0 [ 90.970010][ T5612] ? __pfx_gadget_bind_driver+0x10/0x10 [ 90.970028][ T5612] really_probe+0x254/0xae0 [ 90.970054][ T5612] __driver_probe_device+0x1e8/0x360 [ 90.970078][ T5612] driver_probe_device+0x4f/0x240 [ 90.970103][ T5612] __driver_attach+0x339/0x600 [ 90.970155][ T5612] bus_for_each_dev+0x23e/0x2c0 [ 90.970186][ T5612] ? __pfx___driver_attach+0x10/0x10 [ 90.970211][ T5612] ? __pfx_bus_for_each_dev+0x10/0x10 [ 90.970240][ T5612] ? rt_spin_unlock+0x157/0x200 [ 90.970271][ T5612] ? rt_spin_unlock+0x163/0x200 [ 90.970299][ T5612] bus_add_driver+0x348/0x670 [ 90.970333][ T5612] driver_register+0x23a/0x320 [ 90.970363][ T5612] usb_gadget_register_driver_owner+0xf9/0x270 [ 90.970400][ T5612] raw_ioctl+0x1503/0x40d0 [ 90.970429][ T5612] ? tomoyo_path_number_perm+0x219/0x5f0 [ 90.970457][ T5612] ? do_vfs_ioctl+0x1184/0x1550 [ 90.970487][ T5612] ? __pfx_raw_ioctl+0x10/0x10 [ 90.970537][ T5612] ? __pfx_ptrace_notify+0x10/0x10 [ 90.970554][ T5612] ? rcu_is_watching+0x15/0xb0 [ 90.970572][ T5612] ? bpf_lsm_file_ioctl+0x9/0x20 [ 90.970596][ T5612] ? __pfx_raw_ioctl+0x10/0x10 [ 90.970615][ T5612] __se_sys_ioctl+0xff/0x170 [ 90.970641][ T5612] do_syscall_64+0x17b/0x530 [ 90.970656][ T5612] ? irqentry_exit+0x10f/0x8f0 [ 90.970670][ T5612] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.970686][ T5612] ? clear_bhb_loop+0x40/0x90 [ 90.970704][ T5612] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.970719][ T5612] RIP: 0033:0x7f59ef35eddb [ 90.970736][ 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 [ 90.970748][ T5612] RSP: 002b:00007ffed40b3150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.970763][ T5612] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f59ef35eddb [ 90.970774][ T5612] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 [ 90.970783][ T5612] RBP: 00007ffed40b4220 R08: 0000000000000001 R09: 00000000ffffffff [ 90.970793][ T5612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.970801][ T5612] R13: 00007f59ef3f8b20 R14: 00007ffed40b31f0 R15: 0000000000000002 [ 90.970818][ T5612] [ 90.970823][ T5612] Modules linked in: [ 90.970878][ T5612] ---[ end trace 0000000000000000 ]--- [ 91.044447][ T5612] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 91.044560][ 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 [ 91.044608][ T5612] RSP: 0018:ffffc90004bc7810 EFLAGS: 00010246 [ 91.044689][ T5612] RAX: 0000000000000000 RBX: ffff88803daaa090 RCX: ffff88801e7e5dc0 [ 91.044725][ T5612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.044759][ T5612] RBP: ffff88802b453000 R08: ffff88801e7e5dc0 R09: 0000000000000004 [ 91.044806][ T5612] R10: 0000000000000100 R11: 0000000000000005 R12: dffffc0000000000 [ 91.044840][ T5612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 91.044873][ T5612] FS: 0000555580abc400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 91.044935][ T5612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.044975][ T5612] CR2: 00007ffcbc756f52 CR3: 0000000044568000 CR4: 00000000003526f0 [ 91.045033][ T5612] Kernel panic - not syncing: Fatal exception [ 91.045631][ T5612] Kernel Offset: disabled