ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor3201455388 <...> Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor3201455388", ["ci2-upstream-fs/syz-executor3201455388"], 0x7ffcc2e22e20 /* 10 vars */) = 0 brk(NULL) = 0x555572f90000 brk(0x555572f90d80) = 0x555572f90d80 arch_prctl(ARCH_SET_FS, 0x555572f90400) = 0 set_tid_address(0x555572f906d0) = 5620 set_robust_list(0x555572f906e0, 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-executor3201455388", 4096) = 44 getrandom("\x6c\xe8\x4c\xed\x16\x7a\x3a\x72", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572f90d80 brk(0x555572fb1d80) = 0x555572fb1d80 brk(0x555572fb2000) = 0x555572fb2000 mprotect(0x7f7188782000, 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|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5622 attached , child_tidptr=0x555572f906d0) = 5622 [pid 5620] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] set_robust_list(0x555572f906e0, 24 [pid 5620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], 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 executing program [pid 5622] write(1, "executing program\n", 18) = 18 [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 [ 97.665545][ T5622] dummy_hcd dummy_hcd.0: remove, state 4 [ 97.665663][ T5622] usb usb1: USB disconnect, device number 1 [pid 5622] write(3, "dummy_hcd.0", 11) = 11 [pid 5622] mkdir("./config", 0777) = 0 [pid 5622] mount(NULL, "./config", "configfs", 0, NULL) = 0 [ 97.706250][ T5622] dummy_hcd dummy_hcd.0: stopped [ 97.706275][ T5622] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [pid 5622] mkdir("./config/usb_gadget/g1", 0777) = 0 [pid 5622] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 4 [ 97.780535][ T5622] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 97.780554][ T5622] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 97.780579][ T5622] CPU: 1 UID: 0 PID: 5622 Comm: syz-executor320 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 97.780596][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.780606][ T5622] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 97.780647][ 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 9c 1e 01 fb 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 83 1e 01 fb 41 be 00 14 00 00 4d [ 97.780659][ T5622] RSP: 0018:ffffc90004397780 EFLAGS: 00010246 [ 97.780673][ T5622] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888030b4dd00 [ 97.780683][ T5622] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 97.780691][ T5622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 97.780699][ T5622] R10: dffffc0000000000 R11: ffffffff872e1e70 R12: dffffc0000000000 [ 97.780710][ T5622] R13: ffff888038b56528 R14: ffff888027a01408 R15: 0000000000000000 [ 97.780721][ T5622] FS: 0000555572f90400(0000) GS:ffff888125d41000(0000) knlGS:0000000000000000 [ 97.780733][ T5622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.780743][ T5622] CR2: 00007fffa5c81688 CR3: 0000000047098000 CR4: 00000000003526f0 [ 97.780756][ T5622] Call Trace: [ 97.780761][ T5622] [ 97.780767][ T5622] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 97.780787][ T5622] usb_gadget_set_selfpowered+0x75/0x260 [ 97.780809][ T5622] composite_dev_prepare+0x2fa/0x320 [ 97.780839][ T5622] configfs_composite_bind+0xa5/0x1410 [ 97.780860][ T5622] ? __pfx_configfs_composite_bind+0x10/0x10 [ 97.780878][ T5622] gadget_bind_driver+0x2ca/0x9e0 [ 97.780904][ T5622] ? __pfx_gadget_bind_driver+0x10/0x10 [ 97.780926][ T5622] really_probe+0x254/0xae0 [ 97.780977][ T5622] __driver_probe_device+0x1e8/0x360 [ 97.781010][ T5622] driver_probe_device+0x4f/0x240 [ 97.781033][ T5622] __driver_attach+0x339/0x600 [ 97.781054][ T5622] bus_for_each_dev+0x23e/0x2c0 [ 97.781069][ T5622] ? __pfx___driver_attach+0x10/0x10 [ 97.781090][ T5622] ? __pfx_bus_for_each_dev+0x10/0x10 [ 97.781107][ T5622] ? rt_spin_unlock+0x163/0x200 [ 97.781135][ T5622] bus_add_driver+0x348/0x670 [ 97.781153][ T5622] driver_register+0x23a/0x320 [ 97.781177][ T5622] usb_gadget_register_driver_owner+0xf9/0x270 [ 97.781200][ T5622] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 97.781224][ T5622] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 97.781248][ T5622] configfs_write_iter+0x33a/0x430 [ 97.781278][ T5622] vfs_write+0x61e/0xbb0 [ 97.781300][ T5622] ? __pfx_vfs_write+0x10/0x10 [ 97.781322][ T5622] ? rt_spin_unlock+0x157/0x200 [ 97.781346][ T5622] ? rt_spin_unlock+0x163/0x200 [ 97.781372][ T5622] ksys_write+0x156/0x270 [ 97.781391][ T5622] ? __pfx_ksys_write+0x10/0x10 [ 97.781411][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.781426][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.781441][ T5622] do_syscall_64+0x174/0x580 [ 97.781459][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.781473][ T5622] ? clear_bhb_loop+0x40/0x90 [ 97.781490][ T5622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.781504][ T5622] RIP: 0033:0x7f71886ef689 [ 97.781520][ 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 [ 97.781532][ T5622] RSP: 002b:00007fff00b8a738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.781546][ T5622] RAX: ffffffffffffffda RBX: 6769666e6f632f2e RCX: 00007f71886ef689 [ 97.781557][ T5622] RDX: 000000000000000b RSI: 0000200000001400 RDI: 0000000000000004 [ 97.781566][ T5622] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 97.781574][ T5622] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff00b8a8a8 [ 97.781583][ T5622] R13: 431bde82d7b634db R14: 00007f7188782c40 R15: 0000000000000002 [ 97.781599][ T5622] [ 97.781604][ T5622] Modules linked in: [ 97.781629][ T5622] ---[ end trace 0000000000000000 ]--- [ 97.781644][ T5622] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 97.781664][ 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 9c 1e 01 fb 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 83 1e 01 fb 41 be 00 14 00 00 4d [ 97.781676][ T5622] RSP: 0018:ffffc90004397780 EFLAGS: 00010246 [ 97.781688][ T5622] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888030b4dd00 [ 97.781697][ T5622] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 97.781705][ T5622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 97.781714][ T5622] R10: dffffc0000000000 R11: ffffffff872e1e70 R12: dffffc0000000000 [ 97.781725][ T5622] R13: ffff888038b56528 R14: ffff888027a01408 R15: 0000000000000000 [ 97.781735][ T5622] FS: 0000555572f90400(0000) GS:ffff888125d41000(0000) knlGS:0000000000000000 [ 97.781748][ T5622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.781758][ T5622] CR2: 00007fffa5c81688 CR3: 0000000047098000 CR4: 00000000003526f0 [ 97.781772][ T5622] Kernel panic - not syncing: Fatal exception [ 97.782369][ T5622] Kernel Offset: disabled