ci-upstream-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-root/syz-executor2637132276 <...> Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-root/syz-executor2637132276", ["ci-upstream-kasan-gce-root/syz-executor2637132276"], 0x7fff63478580 /* 10 vars */) = 0 brk(NULL) = 0x555594a76000 brk(0x555594a76d80) = 0x555594a76d80 arch_prctl(ARCH_SET_FS, 0x555594a76400) = 0 set_tid_address(0x555594a766d0) = 5633 set_robust_list(0x555594a766e0, 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-executor2637132276", 4096) = 55 getrandom("\x5e\x70\xdd\x7d\xc5\x30\x0c\x05", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594a76d80 brk(0x555594a97d80) = 0x555594a97d80 brk(0x555594a98000) = 0x555594a98000 mprotect(0x7f14fa3e5000, 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|SIGCHLD, child_tidptr=0x555594a766d0) = 5634 ci-upstream-kasan-gce-root/strace-static-x86_64: Process 5634 attached [pid 5633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5634] set_robust_list(0x555594a766e0, 24) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5634] setpgid(0, 0) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] write(3, "1000", 4) = 4 [pid 5634] close(3) = 0 executing program [pid 5634] write(1, "executing program\n", 18) = 18 [pid 5634] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5634] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5634] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [pid 5634] write(3, "dummy_hcd.0", 11) = 11 [pid 5634] mkdir("./config", 0777) = 0 [pid 5634] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5634] mkdir("./config/usb_gadget/g1", 0777) = 0 [pid 5634] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 4 [ 85.017591][ T5634] dummy_hcd dummy_hcd.0: remove, state 4 [ 85.023569][ T5634] usb usb1: USB disconnect, device number 1 [ 85.039737][ T5634] dummy_hcd dummy_hcd.0: stopped [ 85.044693][ T5634] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 85.086950][ T5634] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 85.099047][ T5634] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 85.107462][ T5634] CPU: 0 UID: 0 PID: 5634 Comm: syz-executor263 Not tainted syzkaller #0 PREEMPT(full) [ 85.117183][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.127249][ T5634] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 85.133235][ T5634] Code: 8d 34 c6 49 81 c6 90 06 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 3c e9 7d fa 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 23 e9 7d fa 41 be 88 12 00 00 4d [ 85.152820][ T5634] RSP: 0018:ffffc900033f7780 EFLAGS: 00010256 [ 85.158887][ T5634] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 85.166856][ T5634] RDX: ffff888033e18000 RSI: 0000000000000003 RDI: 0000000000000005 [ 85.174814][ T5634] RBP: 0000000000000003 R08: ffff88801c28d11f R09: 1ffff11003851a23 [ 85.183058][ T5634] R10: dffffc0000000000 R11: ffffffff87b6c1d0 R12: dffffc0000000000 [ 85.191016][ T5634] R13: ffff888012100530 R14: ffff88802a6e5290 R15: 0000000000000000 [ 85.198978][ T5634] FS: 0000555594a76400(0000) GS:ffff888124f4b000(0000) knlGS:0000000000000000 [ 85.207891][ T5634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.214460][ T5634] CR2: 0000200000001300 CR3: 00000000761bf000 CR4: 0000000000350ef0 [ 85.222419][ T5634] Call Trace: [ 85.225681][ T5634] [ 85.228597][ T5634] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 85.234503][ T5634] usb_gadget_set_selfpowered+0x75/0x260 [ 85.240152][ T5634] composite_dev_prepare+0x2fa/0x320 [ 85.245433][ T5634] configfs_composite_bind+0xa5/0x1410 [ 85.250883][ T5634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 85.256503][ T5634] ? kernfs_put+0x7b9/0x820 [ 85.260998][ T5634] ? __pfx_configfs_composite_bind+0x10/0x10 [ 85.266964][ T5634] gadget_bind_driver+0x2ca/0x9e0 [ 85.271987][ T5634] ? __pfx_gadget_bind_driver+0x10/0x10 [ 85.277525][ T5634] really_probe+0x254/0xae0 [ 85.282035][ T5634] __driver_probe_device+0x1e8/0x360 [ 85.287314][ T5634] driver_probe_device+0x4f/0x240 [ 85.292356][ T5634] __driver_attach+0x339/0x600 [ 85.297118][ T5634] bus_for_each_dev+0x23b/0x2c0 [ 85.301952][ T5634] ? __pfx___driver_attach+0x10/0x10 [ 85.307227][ T5634] ? __pfx_bus_for_each_dev+0x10/0x10 [ 85.312587][ T5634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 85.318208][ T5634] ? do_raw_spin_unlock+0xf5/0x210 [ 85.323309][ T5634] bus_add_driver+0x345/0x670 [ 85.327973][ T5634] driver_register+0x23a/0x320 [ 85.332731][ T5634] usb_gadget_register_driver_owner+0xf9/0x270 [ 85.338879][ T5634] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 85.344526][ T5634] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 85.350761][ T5634] configfs_write_iter+0x337/0x430 [ 85.355869][ T5634] vfs_write+0x612/0xba0 [ 85.360097][ T5634] ? __pfx_vfs_write+0x10/0x10 [ 85.364850][ T5634] ? _raw_spin_unlock_irq+0x23/0x50 [ 85.370052][ T5634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 85.375670][ T5634] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.380862][ T5634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 85.386500][ T5634] ksys_write+0x150/0x270 [ 85.390812][ T5634] ? __pfx_ksys_write+0x10/0x10 [ 85.395702][ T5634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.401762][ T5634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.407814][ T5634] do_syscall_64+0x174/0x580 [ 85.412396][ T5634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.418470][ T5634] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.424350][ T5634] RIP: 0033:0x7f14fa352689 [ 85.428748][ T5634] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 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 d8 ff ff ff f7 d8 64 89 01 48 [ 85.448423][ T5634] RSP: 002b:00007ffe51587278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.456844][ T5634] RAX: ffffffffffffffda RBX: 6769666e6f632f2e RCX: 00007f14fa352689 [ 85.464799][ T5634] RDX: 000000000000000b RSI: 0000200000001400 RDI: 0000000000000004 [ 85.472751][ T5634] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 85.480701][ T5634] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffe515873e8 [ 85.488655][ T5634] R13: 431bde82d7b634db R14: 00007f14fa3e5c40 R15: 0000000000000002 [ 85.496619][ T5634] [ 85.499614][ T5634] Modules linked in: [ 85.503873][ T5634] ---[ end trace 0000000000000000 ]--- [ 85.510304][ T5634] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 85.516355][ T5634] Code: 8d 34 c6 49 81 c6 90 06 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 3c e9 7d fa 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 23 e9 7d fa 41 be 88 12 00 00 4d [ 85.536067][ T5634] RSP: 0018:ffffc900033f7780 EFLAGS: 00010256 [ 85.542145][ T5634] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 85.550137][ T5634] RDX: ffff888033e18000 RSI: 0000000000000003 RDI: 0000000000000005 [ 85.558161][ T5634] RBP: 0000000000000003 R08: ffff88801c28d11f R09: 1ffff11003851a23 [ 85.566180][ T5634] R10: dffffc0000000000 R11: ffffffff87b6c1d0 R12: dffffc0000000000 [ 85.574168][ T5634] R13: ffff888012100530 R14: ffff88802a6e5290 R15: 0000000000000000 [ 85.582189][ T5634] FS: 0000555594a76400(0000) GS:ffff888124f4b000(0000) knlGS:0000000000000000 [ 85.591402][ T5634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.598032][ T5634] CR2: 0000200000001300 CR3: 00000000761bf000 CR4: 0000000000350ef0 [ 85.606027][ T5634] Kernel panic - not syncing: Fatal exception [ 85.612313][ T5634] Kernel Offset: disabled [ 85.616620][ T5634] Rebooting in 86400 seconds..