ci-upstream-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-root/syz-executor3398237602 <...> [ 91.157491][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.4' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-root/syz-executor3398237602", ["ci-upstream-kasan-gce-root/syz-executor3398237602"], 0x7ffc116a61f0 /* 10 vars */) = 0 brk(NULL) = 0x55555847c000 brk(0x55555847cd80) = 0x55555847cd80 arch_prctl(ARCH_SET_FS, 0x55555847c400) = 0 set_tid_address(0x55555847c6d0) = 5640 set_robust_list(0x55555847c6e0, 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-kasan-gce-root/syz-executor3398237602", 4096) = 55 getrandom("\xbb\xc7\xeb\xf5\x45\x27\x48\x3e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555847cd80 brk(0x55555849dd80) = 0x55555849dd80 brk(0x55555849e000) = 0x55555849e000 mprotect(0x7f0e4ce24000, 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-kasan-gce-root/strace-static-x86_64: Process 5641 attached [pid 5641] set_robust_list(0x55555847c6e0, 24 [pid 5640] <... clone resumed>, child_tidptr=0x55555847c6d0) = 5641 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5641] setpgid(0, 0) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5641] write(3, "1000", 4) = 4 [pid 5641] close(3) = 0 [pid 5641] write(1, "executing program\n", 18) = 18 executing program [pid 5641] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5641] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5641] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [pid 5641] write(3, "dummy_hcd.0", 11) = 11 [pid 5641] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 4 [pid 5641] ioctl(4, USB_RAW_IOCTL_INIT, 0x7ffeebe413b0) = 0 [ 91.743242][ T5641] dummy_hcd dummy_hcd.0: remove, state 4 [ 91.749342][ T5641] usb usb1: USB disconnect, device number 1 [ 91.767171][ T5641] dummy_hcd dummy_hcd.0: stopped [ 91.772912][ T5641] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 91.797251][ T5641] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 91.809333][ T5641] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 91.817735][ T5641] CPU: 1 UID: 0 PID: 5641 Comm: syz-executor339 Not tainted syzkaller #0 PREEMPT(full) [ 91.827438][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.837482][ T5641] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 91.842988][ T5641] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 93 00 00 00 e8 75 db 0f fa eb 0c e8 6e db 0f fa eb 05 e8 67 db 0f fa 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 c1 73 7d fa 4d 8b 36 4c 89 f7 e8 [ 91.862675][ T5641] RSP: 0018:ffffc9000246f830 EFLAGS: 00010256 [ 91.868866][ T5641] RAX: 0000000000000000 RBX: ffff888078ac8050 RCX: ffff88807fb99f00 [ 91.876864][ T5641] RDX: 0000000000000000 RSI: ffffffff8f9fa540 RDI: 0000000000000003 [ 91.884856][ T5641] RBP: ffff88802b03f000 R08: ffff88807fb99f00 R09: 0000000000000004 [ 91.892823][ T5641] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 91.900789][ T5641] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 91.908751][ T5641] FS: 000055555847c400(0000) GS:ffff88812504c000(0000) knlGS:0000000000000000 [ 91.917675][ T5641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.924243][ T5641] CR2: 000000000062b5d8 CR3: 0000000074275000 CR4: 0000000000350ef0 [ 91.932204][ T5641] Call Trace: [ 91.935471][ T5641] [ 91.938390][ T5641] ? __pfx_dummy_udc_start+0x10/0x10 [ 91.943673][ T5641] gadget_bind_driver+0x3a8/0x9e0 [ 91.948704][ T5641] ? __pfx_gadget_bind_driver+0x10/0x10 [ 91.954246][ T5641] really_probe+0x254/0xae0 [ 91.958772][ T5641] __driver_probe_device+0x1e8/0x360 [ 91.964067][ T5641] driver_probe_device+0x4f/0x240 [ 91.969115][ T5641] __driver_attach+0x339/0x600 [ 91.974072][ T5641] bus_for_each_dev+0x23b/0x2c0 [ 91.978935][ T5641] ? __pfx___driver_attach+0x10/0x10 [ 91.984227][ T5641] ? __pfx_bus_for_each_dev+0x10/0x10 [ 91.989609][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 91.995259][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.000889][ T5641] ? do_raw_spin_unlock+0xf5/0x210 [ 92.005997][ T5641] bus_add_driver+0x345/0x670 [ 92.010668][ T5641] driver_register+0x23a/0x320 [ 92.015518][ T5641] usb_gadget_register_driver_owner+0xf9/0x270 [ 92.021693][ T5641] raw_ioctl+0x1541/0x41c0 [ 92.026103][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.031733][ T5641] ? tomoyo_path_number_perm+0x219/0x5f0 [ 92.037369][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.043014][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.048663][ T5641] ? do_vfs_ioctl+0x116f/0x1530 [ 92.053507][ T5641] ? __pfx_raw_ioctl+0x10/0x10 [ 92.058272][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.063984][ T5641] ? hook_file_ioctl+0x1f0/0x5f0 [ 92.069014][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.074655][ T5641] ? _raw_spin_unlock_irq+0x2e/0x50 [ 92.079848][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.085558][ T5641] ? ptrace_notify+0x230/0x2b0 [ 92.090328][ T5641] ? __pfx_ptrace_notify+0x10/0x10 [ 92.095518][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.101146][ T5641] ? srso_alias_return_thunk+0x5/0xfbef5 [ 92.106778][ T5641] ? __pfx_raw_ioctl+0x10/0x10 [ 92.111534][ T5641] __se_sys_ioctl+0xfc/0x170 [ 92.116120][ T5641] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.122285][ T5641] do_syscall_64+0x174/0x580 [ 92.126876][ T5641] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.132938][ T5641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.138822][ T5641] RIP: 0033:0x7f0e4cd90ddb [ 92.143225][ T5641] 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 [ 92.162818][ T5641] RSP: 002b:00007ffeebe402e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.171223][ T5641] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0e4cd90ddb [ 92.179181][ T5641] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 [ 92.187138][ T5641] RBP: 00007ffeebe413b0 R08: 0000000000000001 R09: 00000000ffffffff [ 92.195096][ T5641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.203054][ T5641] R13: 00007f0e4ce2ab20 R14: 00007ffeebe40380 R15: 0000000000000002 [ 92.211023][ T5641] [ 92.214024][ T5641] Modules linked in: [ 92.218270][ T5641] ---[ end trace 0000000000000000 ]--- [ 92.225306][ T5641] RIP: 0010:dummy_udc_start+0xd0/0x1f0 [ 92.230796][ T5641] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 93 00 00 00 e8 75 db 0f fa eb 0c e8 6e db 0f fa eb 05 e8 67 db 0f fa 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 c1 73 7d fa 4d 8b 36 4c 89 f7 e8 [ 92.251068][ T5641] RSP: 0018:ffffc9000246f830 EFLAGS: 00010256 [ 92.257185][ T5641] RAX: 0000000000000000 RBX: ffff888078ac8050 RCX: ffff88807fb99f00 [ 92.265207][ T5641] RDX: 0000000000000000 RSI: ffffffff8f9fa540 RDI: 0000000000000003 [ 92.273166][ T5641] RBP: ffff88802b03f000 R08: ffff88807fb99f00 R09: 0000000000000004 [ 92.281189][ T5641] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 92.289190][ T5641] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 92.297208][ T5641] FS: 000055555847c400(0000) GS:ffff88812504c000(0000) knlGS:0000000000000000 [ 92.306181][ T5641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.312761][ T5641] CR2: 000000000062b5d8 CR3: 0000000074275000 CR4: 0000000000350ef0 [ 92.320758][ T5641] Kernel panic - not syncing: Fatal exception [ 92.327062][ T5641] Kernel Offset: disabled [ 92.331457][ T5641] Rebooting in 86400 seconds..