ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor868872266 <...> no interfaces have a carrier [ 69.511964][ T5249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.534028][ T5249] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 94.127058][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor868872266", ["ci2-upstream-fs/syz-executor868872266"], 0x7fffd67da430 /* 10 vars */) = 0 brk(NULL) = 0x55558e9fa000 brk(0x55558e9fad80) = 0x55558e9fad80 arch_prctl(ARCH_SET_FS, 0x55558e9fa400) = 0 set_tid_address(0x55558e9fa6d0) = 5605 set_robust_list(0x55558e9fa6e0, 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-executor868872266", 4096) = 43 getrandom("\x3a\x28\x60\xf1\x15\xba\x2e\x42", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e9fad80 brk(0x55558ea1bd80) = 0x55558ea1bd80 brk(0x55558ea1c000) = 0x55558ea1c000 mprotect(0x7face210c000, 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=0x55558e9fa6d0) = 5606 ci2-upstream-fs/strace-static-x86_64: Process 5606 attached [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5606] set_robust_list(0x55558e9fa6e0, 24 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5606] write(3, "1000", 4) = 4 [pid 5606] close(3) = 0 [pid 5606] write(1, "executing program\n", 18) = 18 executing program [pid 5606] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5606] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1", 0777) = 0 [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = 0 [pid 5606] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1/hid.usb0") = 0 [pid 5606] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5606] write(3, "dummy_udc.0", 11) = 11 [pid 5606] exit_group(0) = ? [pid 5606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 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 5609 attached , child_tidptr=0x55558e9fa6d0) = 5609 [pid 5609] set_robust_list(0x55558e9fa6e0, 24) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5609] setpgid(0, 0) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5609] write(3, "1000", 4) = 4 [pid 5609] close(3) = 0 executing program [pid 5609] write(1, "executing program\n", 18) = 18 [pid 5609] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5609] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1", 0777) = -1 EEXIST (File exists) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5609] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1/hid.usb0") = -1 EEXIST (File exists) [pid 5609] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5609] write(3, "dummy_udc.0", 11) = -1 EBUSY (Device or resource busy) [pid 5609] exit_group(0) = ? [pid 5609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 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 5610 attached , child_tidptr=0x55558e9fa6d0) = 5610 [pid 5610] set_robust_list(0x55558e9fa6e0, 24) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5610] setpgid(0, 0) = 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5610] write(3, "1000", 4) = 4 [pid 5610] close(3) = 0 [pid 5610] write(1, "executing program\n", 18) = 18 executing program [ 102.017018][ T5320] usb 1-1: new high-speed USB device number 2 using dummy_hcd [pid 5610] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5610] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1", 0777) = -1 EEXIST (File exists) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5610] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1/hid.usb0") = -1 EEXIST (File exists) [pid 5610] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5610] write(3, "dummy_udc.0", 11) = -1 EBUSY (Device or resource busy) [pid 5610] exit_group(0) = ? [pid 5610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 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 5611 attached , child_tidptr=0x55558e9fa6d0) = 5611 [pid 5611] set_robust_list(0x55558e9fa6e0, 24 [pid 5605] rt_sigprocmask(SIG_SETMASK, [] [pid 5611] <... set_robust_list resumed>) = 0 [pid 5605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5611] setpgid(0, 0) = 0 [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1000", 4) = 4 [pid 5611] close(3) = 0 executing program [pid 5611] write(1, "executing program\n", 18) = 18 [pid 5611] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5611] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1", 0777) = -1 EEXIST (File exists) [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5611] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c1.1/hid.usb0") = -1 EEXIST (File exists) [ 102.168772][ T5320] usb 1-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 7.02 [ 102.173186][ T5320] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 102.173251][ T5320] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 102.173361][ T5320] usb 1-1: Dual-Role OTG device on HNP port [ 102.173644][ T5320] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 102.255669][ C0] ------------[ cut here ]------------ [ 102.255712][ C0] usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 [ 102.255777][ C0] WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480, CPU#0: ktimers/0/16 [ 102.256109][ C0] Modules linked in: [ 102.256333][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 102.256427][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 102.256446][ C0] RIP: 0010:usb_ep_enable+0x1bc/0x480 [ 102.256521][ C0] Code: 2a 29 04 fb 49 83 3f 00 48 c7 c0 20 6b 1f 8c 49 c7 c0 40 6b 1f 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 8c f3 af 8d 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 70 b2 9a fa 65 8b [ 102.257107][ C0] RSP: 0018:ffffc900001576b8 EFLAGS: 00010282 [ 102.257236][ C0] RAX: ffffffff8c1f6b20 RBX: ffff888029a98120 RCX: ffffffff8c1f89a0 [ 102.257255][ C0] RDX: 0000000000000081 RSI: ffffffff8daff38c RDI: ffffffff8fbc5500 [ 102.257272][ C0] RBP: dffffc0000000000 R08: ffffffff8c1f6b40 R09: 0000000000000100 [ 102.257288][ C0] R10: 0000000000000100 R11: 0000000000000003 R12: ffffffff8c1f89a0 [ 102.257304][ C0] R13: 0000000000000081 R14: ffffffff8fbc5500 R15: ffff888029a98138 [ 102.257319][ C0] FS: 0000000000000000(0000) GS:ffff888125c46000(0000) knlGS:0000000000000000 [ 102.257346][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.257361][ C0] CR2: 00007face20e083c CR3: 000000003b5aa000 CR4: 00000000003526f0 [ 102.257407][ C0] Call Trace: [ 102.257456][ C0] [ 102.257540][ C0] hidg_set_alt+0x12a/0xa50 [ 102.257661][ C0] ? rcu_is_watching+0x15/0xb0 [ 102.257926][ C0] set_config+0x749/0x1160 [ 102.257988][ C0] composite_setup+0x1de7/0x3480 [ 102.258027][ C0] configfs_composite_setup+0xbd/0x100 [ 102.258062][ C0] dummy_timer+0x2f77/0x4d50 [ 102.258198][ C0] ? rtlock_slowlock_locked+0xfb/0x3c20 [ 102.258394][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 102.258597][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 102.258634][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 102.258670][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 102.258701][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 102.258813][ C0] hrtimer_run_softirq+0x18f/0x260 [ 102.258853][ C0] handle_softirqs+0x1d9/0x6c0 [ 102.259022][ C0] run_ktimerd+0x69/0x100 [ 102.259054][ C0] smpboot_thread_fn+0x57c/0xa80 [ 102.259164][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 102.259204][ C0] kthread+0x388/0x470 [ 102.259261][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 102.259290][ C0] ? __pfx_kthread+0x10/0x10 [ 102.259324][ C0] ret_from_fork+0x514/0xb70 [ 102.259457][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 102.259491][ C0] ? __switch_to+0xc89/0x1420 [ 102.259564][ C0] ? __pfx_kthread+0x10/0x10 [ 102.259597][ C0] ret_from_fork_asm+0x1a/0x30 [ 102.259738][ C0] [ 102.259776][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.259795][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 102.259821][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 102.259835][ C0] Call Trace: [ 102.259843][ C0] [ 102.259852][ C0] vpanic+0x56c/0xa60 [ 102.259957][ C0] ? __pfx__printk+0x10/0x10 [ 102.259978][ C0] ? __pfx_vpanic+0x10/0x10 [ 102.260015][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 102.260087][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 102.260117][ C0] panic+0xc5/0xd0 [ 102.260147][ C0] ? __pfx_panic+0x10/0x10 [ 102.260186][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 102.260221][ C0] __warn+0x315/0x4c0 [ 102.260249][ C0] ? usb_ep_enable+0x148/0x480 [ 102.260275][ C0] ? usb_ep_enable+0x148/0x480 [ 102.260296][ C0] __report_bug+0x276/0x570 [ 102.260387][ C0] ? usb_ep_enable+0x148/0x480 [ 102.260411][ C0] ? __pfx___report_bug+0x10/0x10 [ 102.260458][ C0] report_bug_entry+0x19a/0x290 [ 102.260488][ C0] ? usb_ep_enable+0x1bc/0x480 [ 102.260507][ C0] ? usb_ep_enable+0x1c1/0x480 [ 102.260527][ C0] handle_bug+0xce/0x200 [ 102.260577][ C0] exc_invalid_op+0x1a/0x50 [ 102.260616][ C0] asm_exc_invalid_op+0x1a/0x20 [ 102.260710][ C0] RIP: 0010:usb_ep_enable+0x1bc/0x480 [ 102.260737][ C0] Code: 2a 29 04 fb 49 83 3f 00 48 c7 c0 20 6b 1f 8c 49 c7 c0 40 6b 1f 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 8c f3 af 8d 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 70 b2 9a fa 65 8b [ 102.260780][ C0] RSP: 0018:ffffc900001576b8 EFLAGS: 00010282 [ 102.260800][ C0] RAX: ffffffff8c1f6b20 RBX: ffff888029a98120 RCX: ffffffff8c1f89a0 [ 102.260817][ C0] RDX: 0000000000000081 RSI: ffffffff8daff38c RDI: ffffffff8fbc5500 [ 102.260832][ C0] RBP: dffffc0000000000 R08: ffffffff8c1f6b40 R09: 0000000000000100 [ 102.260848][ C0] R10: 0000000000000100 R11: 0000000000000003 R12: ffffffff8c1f89a0 [ 102.260862][ C0] R13: 0000000000000081 R14: ffffffff8fbc5500 R15: ffff888029a98138 [ 102.260907][ C0] ? usb_ep_enable+0x12f/0x480 [ 102.260938][ C0] hidg_set_alt+0x12a/0xa50 [ 102.260963][ C0] ? rcu_is_watching+0x15/0xb0 [ 102.260997][ C0] set_config+0x749/0x1160 [ 102.261039][ C0] composite_setup+0x1de7/0x3480 [ 102.261080][ C0] configfs_composite_setup+0xbd/0x100 [ 102.261109][ C0] dummy_timer+0x2f77/0x4d50 [ 102.261160][ C0] ? rtlock_slowlock_locked+0xfb/0x3c20 [ 102.261223][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 102.261269][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 102.261303][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 102.261338][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 102.261368][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 102.261445][ C0] hrtimer_run_softirq+0x18f/0x260 [ 102.261482][ C0] handle_softirqs+0x1d9/0x6c0 [ 102.261521][ C0] run_ktimerd+0x69/0x100 [ 102.261563][ C0] smpboot_thread_fn+0x57c/0xa80 [ 102.261656][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 102.261695][ C0] kthread+0x388/0x470 [ 102.261729][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 102.261756][ C0] ? __pfx_kthread+0x10/0x10 [ 102.261790][ C0] ret_from_fork+0x514/0xb70 [ 102.261827][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 102.261860][ C0] ? __switch_to+0xc89/0x1420 [ 102.261900][ C0] ? __pfx_kthread+0x10/0x10 [ 102.261942][ C0] ret_from_fork_asm+0x1a/0x30 [ 102.261990][ C0] [ 102.262852][ C0] Kernel Offset: disabled