ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor4062516167 <...> Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor4062516167", ["ci-upstream-rust-kasan-gce/syz-executor4062516167"], 0x7ffd841c8680 /* 10 vars */) = 0 brk(NULL) = 0x5555915d1000 brk(0x5555915d1d80) = 0x5555915d1d80 arch_prctl(ARCH_SET_FS, 0x5555915d1400) = 0 set_tid_address(0x5555915d16d0) = 5603 set_robust_list(0x5555915d16e0, 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-executor4062516167", 4096) = 55 getrandom("\x06\xa2\xa2\x58\xdd\x02\x0d\x4e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555915d1d80 brk(0x5555915f2d80) = 0x5555915f2d80 brk(0x5555915f3000) = 0x5555915f3000 mprotect(0x7f0d89fd7000, 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 5604 attached , child_tidptr=0x5555915d16d0) = 5604 [pid 5603] rt_sigprocmask(SIG_SETMASK, [] [pid 5604] set_robust_list(0x5555915d16e0, 24 [pid 5603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5604] <... set_robust_list resumed>) = 0 [pid 5604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5604] setpgid(0, 0) = 0 [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5604] write(3, "1000", 4) = 4 [pid 5604] close(3) = 0 [pid 5604] write(1, "executing program\n", 18) = 18 executing program [pid 5604] mkdirat(AT_FDCWD, "./mysys", 0777) = 0 [pid 5604] mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 [pid 5604] openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [ 81.637073][ T5604] dummy_hcd dummy_hcd.0: remove, state 4 [ 81.637220][ T5604] usb usb1: USB disconnect, device number 1 [pid 5604] write(3, "dummy_hcd.0", 11) = 11 [pid 5604] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5604] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 5604] chdir("./config/usb_gadget/g1") = 0 [ 81.682995][ T5604] dummy_hcd dummy_hcd.0: stopped [ 81.683016][ T5604] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [pid 5604] openat(AT_FDCWD, "UDC", O_WRONLY) = 4 [ 81.767843][ T5604] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 81.767856][ T5604] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 81.767877][ T5604] CPU: 0 UID: 0 PID: 5604 Comm: syz-executor406 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 81.767888][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 81.767895][ T5604] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 81.767919][ T5604] 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 [ 81.767930][ T5604] RSP: 0018:ffffc90004adf780 EFLAGS: 00010246 [ 81.767940][ T5604] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88803dbd1f40 [ 81.767946][ T5604] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 81.767952][ T5604] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.767957][ T5604] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 81.767964][ T5604] R13: ffff8880267a8528 R14: ffff888029ea9408 R15: 0000000000000000 [ 81.767971][ T5604] FS: 00005555915d1400(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 [ 81.767979][ T5604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.767985][ T5604] CR2: 000056285a894000 CR3: 0000000033d96000 CR4: 00000000003526f0 [ 81.767994][ T5604] Call Trace: [ 81.767997][ T5604] [ 81.768001][ T5604] ? __pfx_dummy_set_selfpowered+0x10/0x10 [ 81.768015][ T5604] usb_gadget_set_selfpowered+0x75/0x260 [ 81.768030][ T5604] composite_dev_prepare+0x2fa/0x320 [ 81.768044][ T5604] configfs_composite_bind+0xa5/0x1410 [ 81.768058][ T5604] ? __pfx_configfs_composite_bind+0x10/0x10 [ 81.768070][ T5604] gadget_bind_driver+0x2ca/0x9e0 [ 81.768081][ T5604] ? __pfx_gadget_bind_driver+0x10/0x10 [ 81.768089][ T5604] really_probe+0x254/0xae0 [ 81.768102][ T5604] __driver_probe_device+0x1e8/0x360 [ 81.768114][ T5604] driver_probe_device+0x4f/0x240 [ 81.768125][ T5604] __driver_attach+0x339/0x600 [ 81.768137][ T5604] bus_for_each_dev+0x23e/0x2c0 [ 81.768150][ T5604] ? __pfx___driver_attach+0x10/0x10 [ 81.768161][ T5604] ? __pfx_bus_for_each_dev+0x10/0x10 [ 81.768175][ T5604] ? rt_spin_unlock+0x163/0x200 [ 81.768188][ T5604] bus_add_driver+0x348/0x670 [ 81.768203][ T5604] driver_register+0x23a/0x320 [ 81.768215][ T5604] usb_gadget_register_driver_owner+0xf9/0x270 [ 81.768231][ T5604] gadget_dev_desc_UDC_store+0x1c9/0x2f0 [ 81.768241][ T5604] ? __pfx_gadget_dev_desc_UDC_store+0x10/0x10 [ 81.768251][ T5604] configfs_write_iter+0x33a/0x430 [ 81.768263][ T5604] vfs_write+0x61e/0xbb0 [ 81.768275][ T5604] ? __pfx_vfs_write+0x10/0x10 [ 81.768289][ T5604] ksys_write+0x156/0x270 [ 81.768300][ T5604] ? __pfx_ksys_write+0x10/0x10 [ 81.768312][ T5604] do_syscall_64+0x17b/0x530 [ 81.768321][ T5604] ? irqentry_exit+0x10f/0x8f0 [ 81.768330][ T5604] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.768340][ T5604] ? clear_bhb_loop+0x40/0x90 [ 81.768351][ T5604] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.768360][ T5604] RIP: 0033:0x7f0d89f446c9 [ 81.768371][ T5604] 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 [ 81.768379][ T5604] RSP: 002b:00007ffcd67a1b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.768391][ T5604] RAX: ffffffffffffffda RBX: 0031672f74656764 RCX: 00007f0d89f446c9 [ 81.768398][ T5604] RDX: 000000000000000b RSI: 0000200000000600 RDI: 0000000000000004 [ 81.768403][ T5604] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000006 [ 81.768409][ T5604] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffcd67a1c78 [ 81.768415][ T5604] R13: 431bde82d7b634db R14: 00007f0d89fd7c40 R15: 0000000000000002 [ 81.768424][ T5604] [ 81.768428][ T5604] Modules linked in: [ 81.768440][ T5604] ---[ end trace 0000000000000000 ]--- [ 81.768448][ T5604] RIP: 0010:dummy_set_selfpowered+0xbe/0x160 [ 81.768462][ T5604] 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 [ 81.768469][ T5604] RSP: 0018:ffffc90004adf780 EFLAGS: 00010246 [ 81.768477][ T5604] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88803dbd1f40 [ 81.768483][ T5604] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 [ 81.768488][ T5604] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.768493][ T5604] R10: dffffc0000000000 R11: ffffffff873996b0 R12: dffffc0000000000 [ 81.768500][ T5604] R13: ffff8880267a8528 R14: ffff888029ea9408 R15: 0000000000000000 [ 81.768506][ T5604] FS: 00005555915d1400(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000 [ 81.768514][ T5604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.768521][ T5604] CR2: 000056285a894000 CR3: 0000000033d96000 CR4: 00000000003526f0 [ 81.768530][ T5604] Kernel panic - not syncing: Fatal exception [ 81.768780][ T5604] Kernel Offset: disabled