ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor3819304931 <...> Warning: Permanently added '10.128.0.227' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor3819304931", ["ci-upstream-rust-kasan-gce/syz-executor3819304931"], 0x7ffdaa613540 /* 10 vars */) = 0 brk(NULL) = 0x55555b7bd000 brk(0x55555b7bdd80) = 0x55555b7bdd80 arch_prctl(ARCH_SET_FS, 0x55555b7bd400) = 0 set_tid_address(0x55555b7bd6d0) = 5621 set_robust_list(0x55555b7bd6e0, 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-executor3819304931", 4096) = 55 getrandom("\x9f\xef\x65\x9c\xf3\x6c\xe1\xb4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b7bdd80 brk(0x55555b7ded80) = 0x55555b7ded80 brk(0x55555b7df000) = 0x55555b7df000 mprotect(0x7f8f0e26c000, 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 5622 attached , child_tidptr=0x55555b7bd6d0) = 5622 [pid 5622] set_robust_list(0x55555b7bd6e0, 24) = 0 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] write(3, "1000", 4) = 4 [pid 5622] close(3) = 0 [pid 5622] write(1, "executing program\n", 18) = 18 executing program [pid 5622] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5622] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5622] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [pid 5622] write(3, "dummy_hcd.0", 11) = 11 [pid 5622] mkdir("./config", 0777) = 0 [pid 5622] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5622] mkdir("./config/usb_gadget/g1", 0777) = 0 [pid 5622] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 4 [ 95.971096][ T5622] dummy_hcd dummy_hcd.0: remove, state 4 [ 95.971218][ T5622] usb usb1: USB disconnect, device number 1 [ 96.000497][ T5622] dummy_hcd dummy_hcd.0: stopped [ 96.000524][ T5622] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 96.058925][ T5622] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 96.058944][ T5622] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 96.058959][ T5622] CPU: 0 UID: 0 PID: 5622 Comm: syz-executor381 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 96.058973][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 96.058981][ T5622] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 96.059006][ T5622] Code: 8d 34 c6 49 81 c6 c8 07 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 2c 63 f8 fa 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 13 63 f8 fa 41 be 00 14 00 00 4d [ 96.059016][ T5622] RSP: 0018:ffffc90004c7f780 EFLAGS: 00010246 [ 96.059028][ T5622] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888037881f40 [ 96.059036][ T5622] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 96.059043][ T5622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 96.059050][ T5622] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 96.059059][ T5622] R13: ffff88803449c528 R14: ffff888022fe9408 R15: 0000000000000000 [ 96.059067][ T5622] FS: 000055555b7bd400(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 [ 96.059077][ T5622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.059085][ T5622] CR2: 0000200000001300 CR3: 0000000043386000 CR4: 00000000003526f0 [ 96.059098][ T5622] Call Trace: [ 96.059104][ T5622] [ 96.059109][ T5622] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 96.059127][ T5622] usb_gadget_set_selfpowered+0x75/0x260 [ 96.059145][ T5622] composite_dev_prepare+0x2fa/0x320 [ 96.059163][ T5622] configfs_composite_bind+0xa5/0x1410 [ 96.059180][ T5622] ? __pfx_configfs_composite_bind+0x10/0x10 [ 96.059195][ T5622] gadget_bind_driver+0x2ca/0x9e0 [ 96.059208][ T5622] ? __pfx_gadget_bind_driver+0x10/0x10 [ 96.059219][ T5622] really_probe+0x254/0xae0 [ 96.059235][ T5622] __driver_probe_device+0x1e8/0x360 [ 96.059249][ T5622] driver_probe_device+0x4f/0x240 [ 96.059264][ T5622] __driver_attach+0x339/0x600 [ 96.059278][ T5622] bus_for_each_dev+0x23e/0x2c0 [ 96.059295][ T5622] ? __pfx___driver_attach+0x10/0x10 [ 96.059317][ T5622] ? __pfx_bus_for_each_dev+0x10/0x10 [ 96.059335][ T5622] ? rt_spin_unlock+0x163/0x200 [ 96.059352][ T5622] bus_add_driver+0x348/0x670 [ 96.059371][ T5622] driver_register+0x23a/0x320 [ 96.059387][ T5622] usb_gadget_register_driver_owner+0xf9/0x270 [ 96.059406][ T5622] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 96.059418][ T5622] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 96.059431][ T5622] configfs_write_iter+0x33a/0x430 [ 96.059445][ T5622] vfs_write+0x61e/0xbb0 [ 96.059461][ T5622] ? __pfx_vfs_write+0x10/0x10 [ 96.059478][ T5622] ksys_write+0x156/0x270 [ 96.059491][ T5622] ? __pfx_ksys_write+0x10/0x10 [ 96.059506][ T5622] do_syscall_64+0x17b/0x530 [ 96.059517][ T5622] ? irqentry_exit+0x10f/0x8f0 [ 96.059528][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.059540][ T5622] ? clear_bhb_loop+0x40/0x90 [ 96.059553][ T5622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.059564][ T5622] RIP: 0033:0x7f8f0e1d9689 [ 96.059575][ T5622] 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 [ 96.059584][ T5622] RSP: 002b:00007ffe08d52178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.059596][ T5622] RAX: ffffffffffffffda RBX: 6769666e6f632f2e RCX: 00007f8f0e1d9689 [ 96.059605][ T5622] RDX: 000000000000000b RSI: 0000200000001400 RDI: 0000000000000004 [ 96.059612][ T5622] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 96.059618][ T5622] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffe08d522e8 [ 96.059626][ T5622] R13: 431bde82d7b634db R14: 00007f8f0e26cc40 R15: 0000000000000002 [ 96.059637][ T5622] [ 96.059641][ T5622] Modules linked in: [ 96.059651][ T5622] ---[ end trace 0000000000000000 ]--- [ 96.059658][ T5622] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 96.059674][ T5622] Code: 8d 34 c6 49 81 c6 c8 07 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 2c 63 f8 fa 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 13 63 f8 fa 41 be 00 14 00 00 4d [ 96.059683][ T5622] RSP: 0018:ffffc90004c7f780 EFLAGS: 00010246 [ 96.059693][ T5622] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888037881f40 [ 96.059700][ T5622] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 96.059707][ T5622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 96.059713][ T5622] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 96.059722][ T5622] R13: ffff88803449c528 R14: ffff888022fe9408 R15: 0000000000000000 [ 96.059730][ T5622] FS: 000055555b7bd400(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 [ 96.059740][ T5622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.059748][ T5622] CR2: 0000200000001300 CR3: 0000000043386000 CR4: 00000000003526f0 [ 96.059761][ T5622] Kernel panic - not syncing: Fatal exception [ 96.059944][ T5622] Kernel Offset: disabled