ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor574350302 <...> Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor574350302", ["ci-upstream-rust-kasan-gce/syz-executor574350302"], 0x7fff9063e710 /* 10 vars */) = 0 brk(NULL) = 0x555556e2a000 brk(0x555556e2ad80) = 0x555556e2ad80 arch_prctl(ARCH_SET_FS, 0x555556e2a400) = 0 set_tid_address(0x555556e2a6d0) = 5607 set_robust_list(0x555556e2a6e0, 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-executor574350302", 4096) = 54 getrandom("\x0a\xac\xc3\x88\x1a\xc2\xdd\x87", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e2ad80 brk(0x555556e4bd80) = 0x555556e4bd80 brk(0x555556e4c000) = 0x555556e4c000 mprotect(0x7f6719d55000, 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 5608 attached , child_tidptr=0x555556e2a6d0) = 5608 [pid 5608] set_robust_list(0x555556e2a6e0, 24 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5608] setpgid(0, 0) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5608] write(3, "1000", 4) = 4 [pid 5608] close(3) = 0 [pid 5608] write(1, "executing program\n", 18) = 18 executing program [pid 5608] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5608] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5608] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [ 82.435347][ T5608] dummy_hcd dummy_hcd.0: remove, state 4 [ 82.435473][ T5608] usb usb1: USB disconnect, device number 1 [pid 5608] write(3, "dummy_hcd.0", 11) = 11 [pid 5608] mkdir("./config", 0777) = 0 [pid 5608] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5608] mkdir("./config/usb_gadget/g_syz", 0777) = 0 [ 82.471079][ T5608] dummy_hcd dummy_hcd.0: stopped [ 82.471102][ T5608] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [pid 5608] openat(AT_FDCWD, "./config/usb_gadget/g_syz/UDC", O_WRONLY) = 4 [ 82.542269][ T5608] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 82.542285][ T5608] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 82.542306][ T5608] CPU: 1 UID: 0 PID: 5608 Comm: syz-executor574 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 82.542318][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 82.542324][ T5608] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 82.542343][ T5608] 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 [ 82.542354][ T5608] RSP: 0018:ffffc90004c0f780 EFLAGS: 00010246 [ 82.542364][ T5608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888037c45dc0 [ 82.542371][ T5608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 82.542376][ T5608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.542382][ T5608] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 82.542388][ T5608] R13: ffff88803e20a528 R14: ffff888021799408 R15: 0000000000000000 [ 82.542395][ T5608] FS: 0000555556e2a400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 82.542403][ T5608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.542410][ T5608] CR2: 00007ffe38d6cc88 CR3: 000000003c46e000 CR4: 00000000003526f0 [ 82.542419][ T5608] Call Trace: [ 82.542423][ T5608] [ 82.542427][ T5608] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 82.542441][ T5608] usb_gadget_set_selfpowered+0x75/0x260 [ 82.542456][ T5608] composite_dev_prepare+0x2fa/0x320 [ 82.542470][ T5608] configfs_composite_bind+0xa5/0x1410 [ 82.542484][ T5608] ? __pfx_configfs_composite_bind+0x10/0x10 [ 82.542496][ T5608] gadget_bind_driver+0x2ca/0x9e0 [ 82.542507][ T5608] ? __pfx_gadget_bind_driver+0x10/0x10 [ 82.542516][ T5608] really_probe+0x254/0xae0 [ 82.542529][ T5608] __driver_probe_device+0x1e8/0x360 [ 82.542541][ T5608] driver_probe_device+0x4f/0x240 [ 82.542553][ T5608] __driver_attach+0x339/0x600 [ 82.542564][ T5608] bus_for_each_dev+0x23e/0x2c0 [ 82.542578][ T5608] ? __pfx___driver_attach+0x10/0x10 [ 82.542589][ T5608] ? __pfx_bus_for_each_dev+0x10/0x10 [ 82.542603][ T5608] ? rt_spin_unlock+0x163/0x200 [ 82.542617][ T5608] bus_add_driver+0x348/0x670 [ 82.542632][ T5608] driver_register+0x23a/0x320 [ 82.542644][ T5608] usb_gadget_register_driver_owner+0xf9/0x270 [ 82.542660][ T5608] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 82.542669][ T5608] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 82.542679][ T5608] configfs_write_iter+0x33a/0x430 [ 82.542692][ T5608] vfs_write+0x61e/0xbb0 [ 82.542704][ T5608] ? __pfx_vfs_write+0x10/0x10 [ 82.542718][ T5608] ksys_write+0x156/0x270 [ 82.542728][ T5608] ? __pfx_ksys_write+0x10/0x10 [ 82.542741][ T5608] do_syscall_64+0x17b/0x530 [ 82.542750][ T5608] ? irqentry_exit+0x10f/0x8f0 [ 82.542758][ T5608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.542768][ T5608] ? clear_bhb_loop+0x40/0x90 [ 82.542779][ T5608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.542788][ T5608] RIP: 0033:0x7f6719cc2689 [ 82.542802][ T5608] 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 [ 82.542809][ T5608] RSP: 002b:00007ffda1438948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.542818][ T5608] RAX: ffffffffffffffda RBX: 0000200000000200 RCX: 00007f6719cc2689 [ 82.542825][ T5608] RDX: 000000000000000b RSI: 0000200000000b00 RDI: 0000000000000004 [ 82.542831][ T5608] RBP: 6769666e6f632f2e R08: 0000000000000006 R09: 0000000000000006 [ 82.542837][ T5608] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffda1438ab8 [ 82.542848][ T5608] R13: 431bde82d7b634db R14: 00007f6719d55c40 R15: 0000000000000002 [ 82.542858][ T5608] [ 82.542862][ T5608] Modules linked in: [ 82.542875][ T5608] ---[ end trace 0000000000000000 ]--- [ 82.542883][ T5608] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 82.542897][ T5608] 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 [ 82.542904][ T5608] RSP: 0018:ffffc90004c0f780 EFLAGS: 00010246 [ 82.542912][ T5608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888037c45dc0 [ 82.542918][ T5608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 82.542923][ T5608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.542929][ T5608] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 82.542935][ T5608] R13: ffff88803e20a528 R14: ffff888021799408 R15: 0000000000000000 [ 82.542942][ T5608] FS: 0000555556e2a400(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 82.542950][ T5608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.542956][ T5608] CR2: 00007ffe38d6cc88 CR3: 000000003c46e000 CR4: 00000000003526f0 [ 82.542966][ T5608] Kernel panic - not syncing: Fatal exception [ 82.543252][ T5608] Kernel Offset: disabled