ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor2311296493 <...> Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor2311296493", ["ci2-upstream-fs/syz-executor2311296493"], 0x7fff8400c7c0 /* 10 vars */) = 0 brk(NULL) = 0x555582955000 brk(0x555582955d80) = 0x555582955d80 arch_prctl(ARCH_SET_FS, 0x555582955400) = 0 set_tid_address(0x5555829556d0) = 5607 set_robust_list(0x5555829556e0, 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/ci2-upstream-fs/syz-executor2311296493", 4096) = 44 getrandom("\x35\x0b\x7a\x5b\x55\xc9\x02\xfb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582955d80 brk(0x555582976d80) = 0x555582976d80 brk(0x555582977000) = 0x555582977000 mprotect(0x7fa423835000, 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=0x5555829556d0) = 5608 ci2-upstream-fs/strace-static-x86_64: Process 5608 attached [pid 5607] rt_sigprocmask(SIG_SETMASK, [] [pid 5608] set_robust_list(0x5555829556e0, 24 [pid 5607] <... rt_sigprocmask resumed>, 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 [pid 5608] write(3, "dummy_hcd.0", 11) = 11 [pid 5608] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5608] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 5608] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 4 [ 82.548011][ T5608] dummy_hcd dummy_hcd.0: remove, state 4 [ 82.548136][ T5608] usb usb1: USB disconnect, device number 1 [ 82.567883][ T5608] dummy_hcd dummy_hcd.0: stopped [ 82.567904][ T5608] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 82.624172][ T5608] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 82.624193][ T5608] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 82.624219][ T5608] CPU: 0 UID: 0 PID: 5608 Comm: syz-executor231 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 82.624239][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 82.624249][ T5608] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 82.624298][ 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 9c 14 01 fb 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 83 14 01 fb 41 be 00 14 00 00 4d [ 82.624310][ T5608] RSP: 0018:ffffc9000421f780 EFLAGS: 00010246 [ 82.624323][ T5608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8880381f9f00 [ 82.624332][ T5608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 82.624341][ T5608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.624349][ T5608] R10: dffffc0000000000 R11: ffffffff872e3940 R12: dffffc0000000000 [ 82.624361][ T5608] R13: ffff888038368528 R14: ffff888029921408 R15: 0000000000000000 [ 82.624374][ T5608] FS: 0000555582955400(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000 [ 82.624389][ T5608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.624402][ T5608] CR2: 00005589e6f4c558 CR3: 0000000047120000 CR4: 00000000003526f0 [ 82.624417][ T5608] Call Trace: [ 82.624423][ T5608] [ 82.624430][ T5608] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 82.624453][ T5608] usb_gadget_set_selfpowered+0x75/0x260 [ 82.624469][ T5608] composite_dev_prepare+0x2fa/0x320 [ 82.624482][ T5608] configfs_composite_bind+0xa5/0x1410 [ 82.624496][ T5608] ? __pfx_configfs_composite_bind+0x10/0x10 [ 82.624507][ T5608] gadget_bind_driver+0x2ca/0x9e0 [ 82.624523][ T5608] ? __pfx_gadget_bind_driver+0x10/0x10 [ 82.624536][ T5608] really_probe+0x254/0xae0 [ 82.624551][ T5608] __driver_probe_device+0x1e8/0x360 [ 82.624565][ T5608] driver_probe_device+0x4f/0x240 [ 82.624578][ T5608] __driver_attach+0x339/0x600 [ 82.624591][ T5608] bus_for_each_dev+0x23e/0x2c0 [ 82.624601][ T5608] ? __pfx___driver_attach+0x10/0x10 [ 82.624614][ T5608] ? __pfx_bus_for_each_dev+0x10/0x10 [ 82.624627][ T5608] ? rt_spin_unlock+0x163/0x200 [ 82.624644][ T5608] bus_add_driver+0x348/0x670 [ 82.624655][ T5608] driver_register+0x23a/0x320 [ 82.624669][ T5608] usb_gadget_register_driver_owner+0xf9/0x270 [ 82.624684][ T5608] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 82.624698][ T5608] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 82.624713][ T5608] configfs_write_iter+0x33a/0x430 [ 82.624735][ T5608] vfs_write+0x61e/0xbb0 [ 82.624748][ T5608] ? __pfx_vfs_write+0x10/0x10 [ 82.624760][ T5608] ? rt_spin_unlock+0x157/0x200 [ 82.624769][ T5608] ? rt_spin_unlock+0x163/0x200 [ 82.624779][ T5608] ksys_write+0x156/0x270 [ 82.624794][ T5608] ? __pfx_ksys_write+0x10/0x10 [ 82.624807][ T5608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.624817][ T5608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.624826][ T5608] do_syscall_64+0x174/0x580 [ 82.624838][ T5608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.624848][ T5608] ? clear_bhb_loop+0x40/0x90 [ 82.624858][ T5608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.624867][ T5608] RIP: 0033:0x7fa4237a2689 [ 82.624880][ 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 [ 82.624888][ T5608] RSP: 002b:00007ffcfa63ed68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 82.624899][ T5608] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fa4237a2689 [ 82.624905][ T5608] RDX: 000000000000000c RSI: 0000200000000600 RDI: 0000000000000004 [ 82.624911][ T5608] RBP: 6769666e6f632f2e R08: 0000000000000006 R09: 0000000000000006 [ 82.624917][ T5608] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffcfa63eed8 [ 82.624923][ T5608] R13: 0000200000000008 R14: 00007fa423835c40 R15: 0000000000000002 [ 82.624932][ T5608] [ 82.624936][ T5608] Modules linked in: [ 82.624959][ T5608] ---[ end trace 0000000000000000 ]--- [ 82.624972][ T5608] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 82.624985][ 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 9c 14 01 fb 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 83 14 01 fb 41 be 00 14 00 00 4d [ 82.624992][ T5608] RSP: 0018:ffffc9000421f780 EFLAGS: 00010246 [ 82.625000][ T5608] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8880381f9f00 [ 82.625006][ T5608] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 82.625012][ T5608] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.625017][ T5608] R10: dffffc0000000000 R11: ffffffff872e3940 R12: dffffc0000000000 [ 82.625024][ T5608] R13: ffff888038368528 R14: ffff888029921408 R15: 0000000000000000 [ 82.625030][ T5608] FS: 0000555582955400(0000) GS:ffff888125c3e000(0000) knlGS:0000000000000000 [ 82.625038][ T5608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.625045][ T5608] CR2: 00005589e6f4c558 CR3: 0000000047120000 CR4: 00000000003526f0 [ 82.625056][ T5608] Kernel panic - not syncing: Fatal exception [ 82.625205][ T5608] Kernel Offset: disabled