ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor1608944757 <...> Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor1608944757", ["ci2-android-6-1/syz-executor1608944757"], 0x7ffddb591050 /* 10 vars */) = 0 brk(NULL) = 0x55557819e000 brk(0x55557819ed40) = 0x55557819ed40 arch_prctl(ARCH_SET_FS, 0x55557819e3c0) = 0 set_tid_address(0x55557819e690) = 305 set_robust_list(0x55557819e6a0, 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}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-1/syz-executor1608944757", 4096) = 44 getrandom("\x90\x58\xb2\x4b\x30\x42\x38\x6f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557819ed40 brk(0x5555781bfd40) = 0x5555781bfd40 brk(0x5555781c0000) = 0x5555781c0000 mprotect(0x7fdc1d0b3000, 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 executing program write(1, "executing program\n", 18) = 18 mkdirat(AT_FDCWD, "./mysys", 0777) = 0 mount(NULL, "./mysys", "sysfs", 0, NULL) = 0 openat(AT_FDCWD, "./mysys/bus/platform/drivers/dummy_hcd/unbind", O_WRONLY) = 3 [ 24.890534][ T28] audit: type=1400 audit(1787121461.999:64): avc: denied { execmem } for pid=305 comm="syz-executor160" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.903003][ T305] dummy_hcd dummy_hcd.0: remove, state 4 [ 24.910015][ T28] audit: type=1400 audit(1787121461.999:65): avc: denied { mounton } for pid=305 comm="syz-executor160" path="/root/mysys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 write(3, "dummy_hcd.0", 11) = 11 mkdirat(AT_FDCWD, "./config", 0777) = 0 mount(NULL, "./config", "configfs", 0, NULL) = 0 mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 4 [ 24.915840][ T305] usb usb1: USB disconnect, device number 1 [ 24.939282][ T28] audit: type=1400 audit(1787121461.999:66): avc: denied { mount } for pid=305 comm="syz-executor160" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 24.960108][ T305] dummy_hcd dummy_hcd.0: stopped [ 24.971800][ T305] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 24.980765][ T28] audit: type=1400 audit(1787121462.089:67): avc: denied { mount } for pid=305 comm="syz-executor160" name="/" dev="configfs" ino=12431 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 24.990045][ T305] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 25.004907][ T28] audit: type=1400 audit(1787121462.089:68): avc: denied { search } for pid=305 comm="syz-executor160" name="/" dev="configfs" ino=12431 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.015442][ T305] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 25.015458][ T305] CPU: 0 PID: 305 Comm: syz-executor160 Not tainted syzkaller #0 [ 25.015476][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.015487][ T305] RIP: 0010:dummy_set_selfpowered+0xbc/0x150 [ 25.015546][ T305] Code: 94 c0 4d 8d b4 c6 e0 04 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 5e 8f 6a fe 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 45 8f 6a fe 41 be 68 11 00 00 4d [ 25.038923][ T28] audit: type=1400 audit(1787121462.089:69): avc: denied { write } for pid=305 comm="syz-executor160" name="usb_gadget" dev="configfs" ino=12432 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.046440][ T305] RSP: 0018:ffffc90000d77738 EFLAGS: 00010246 [ 25.054508][ T28] audit: type=1400 audit(1787121462.089:70): avc: denied { add_name } for pid=305 comm="syz-executor160" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.064245][ T305] [ 25.064268][ T305] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 25.074076][ T28] audit: type=1400 audit(1787121462.089:71): avc: denied { create } for pid=305 comm="syz-executor160" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 25.089870][ T305] RDX: ffff88810fed0000 RSI: 0000000000000003 RDI: 0000000000000005 [ 25.089887][ T305] RBP: ffffc90000d77758 R08: ffff8881001b0867 R09: 1ffff1102003610c [ 25.089901][ T305] R10: 0000000000000000 R11: ffffed102003610d R12: dffffc0000000000 [ 25.089915][ T305] R13: ffff8881098ce468 R14: ffff88810ded9170 R15: 0000000000000000 [ 25.113911][ T28] audit: type=1400 audit(1787121462.099:72): avc: denied { write } for pid=305 comm="syz-executor160" name="UDC" dev="configfs" ino=12815 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 25.119069][ T305] FS: 000055557819e3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.119089][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.140257][ T28] audit: type=1400 audit(1787121462.099:73): avc: denied { open } for pid=305 comm="syz-executor160" path="/root/config/usb_gadget/g1/UDC" dev="configfs" ino=12815 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 25.141913][ T305] CR2: 0000200000001000 CR3: 0000000110599000 CR4: 00000000003506b0 [ 25.272545][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.280537][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.288523][ T305] Call Trace: [ 25.291799][ T305] [ 25.294725][ T305] ? __cfi_dummy_set_selfpowered+0x10/0x10 [ 25.300558][ T305] usb_gadget_set_selfpowered+0x7a/0x190 [ 25.306217][ T305] composite_dev_prepare+0x2e7/0x310 [ 25.311505][ T305] configfs_composite_bind+0xb4/0x13b0 [ 25.316978][ T305] ? mutex_unlock+0x8f/0x230 [ 25.321571][ T305] ? __cfi_mutex_unlock+0x10/0x10 [ 25.326593][ T305] ? __kasan_check_write+0x14/0x20 [ 25.331721][ T305] ? kernfs_put+0x44f/0x480 [ 25.336229][ T305] ? __cfi_configfs_composite_bind+0x10/0x10 [ 25.342228][ T305] gadget_bind_driver+0x2eb/0x990 [ 25.347259][ T305] ? sysfs_create_link+0x68/0x80 [ 25.352204][ T305] ? __cfi_gadget_bind_driver+0x10/0x10 [ 25.357763][ T305] really_probe+0x2d7/0x9a0 [ 25.362269][ T305] ? __kasan_check_write+0x14/0x20 [ 25.367380][ T305] __driver_probe_device+0x193/0x270 [ 25.372662][ T305] driver_probe_device+0x54/0x3e0 [ 25.377704][ T305] __driver_attach+0x41a/0x5d0 [ 25.382487][ T305] bus_for_each_dev+0x18c/0x200 [ 25.387341][ T305] ? __cfi__raw_spin_lock+0x10/0x10 [ 25.392548][ T305] ? __cfi___driver_attach+0x10/0x10 [ 25.397837][ T305] ? __cfi_bus_for_each_dev+0x10/0x10 [ 25.403224][ T305] ? _raw_spin_unlock+0x4c/0x70 [ 25.408081][ T305] ? klist_add_tail+0x1e5/0x220 [ 25.412955][ T305] driver_attach+0x42/0x50 [ 25.417373][ T305] bus_add_driver+0x322/0x560 [ 25.422096][ T305] driver_register+0x335/0x440 [ 25.426875][ T305] usb_gadget_register_driver_owner+0xf8/0x270 [ 25.433034][ T305] gadget_dev_desc_UDC_store+0x220/0x340 [ 25.438690][ T305] configfs_write_iter+0x323/0x410 [ 25.443816][ T305] ? __cfi_gadget_dev_desc_UDC_store+0x10/0x10 [ 25.449978][ T305] vfs_write+0x5ef/0xd00 [ 25.454252][ T305] ? __cfi_vfs_write+0x10/0x10 [ 25.459050][ T305] ? memset+0x35/0x40 [ 25.463062][ T305] ? __kasan_check_read+0x11/0x20 [ 25.468133][ T305] ? __fdget_pos+0x2d4/0x380 [ 25.472752][ T305] ksys_write+0x14a/0x260 [ 25.477116][ T305] ? __cfi_ksys_write+0x10/0x10 [ 25.482039][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 25.487717][ T305] __x64_sys_write+0x7b/0x90 [ 25.492335][ T305] x64_sys_call+0x27b/0x9a0 [ 25.496867][ T305] do_syscall_64+0x4c/0xa0 [ 25.501326][ T305] ? clear_bhb_loop+0x30/0x80 [ 25.506465][ T305] ? clear_bhb_loop+0x30/0x80 [ 25.511174][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.517123][ T305] RIP: 0033:0x7fdc1d022d79 [ 25.521591][ T305] 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 [ 25.541227][ T305] RSP: 002b:00007ffc29d99bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.549679][ T305] RAX: ffffffffffffffda RBX: 0000200000000200 RCX: 00007fdc1d022d79 [ 25.557680][ T305] RDX: 000000000000000c RSI: 0000200000001000 RDI: 0000000000000004 [ 25.565680][ T305] RBP: 6769666e6f632f2e R08: 00000000000a8c88 R09: 00000000000a8c88 [ 25.573694][ T305] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffc29d99ce8 [ 25.581791][ T305] R13: 0000000000000002 R14: 00007fdc1d0b3ca0 R15: 0000000000000002 [ 25.589800][ T305] [ 25.592847][ T305] Modules linked in: [ 25.596988][ T305] ---[ end trace 0000000000000000 ]--- [ 25.603287][ T305] RIP: 0010:dummy_set_selfpowered+0xbc/0x150 [ 25.609340][ T305] Code: 94 c0 4d 8d b4 c6 e0 04 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 5e 8f 6a fe 4d 8b 3e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 45 8f 6a fe 41 be 68 11 00 00 4d [ 25.629160][ T305] RSP: 0018:ffffc90000d77738 EFLAGS: 00010246 [ 25.635294][ T305] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 25.643343][ T305] RDX: ffff88810fed0000 RSI: 0000000000000003 RDI: 0000000000000005 [ 25.651371][ T305] RBP: ffffc90000d77758 R08: ffff8881001b0867 R09: 1ffff1102003610c [ 25.659431][ T305] R10: 0000000000000000 R11: ffffed102003610d R12: dffffc0000000000 [ 25.667450][ T305] R13: ffff8881098ce468 R14: ffff88810ded9170 R15: 0000000000000000 [ 25.681129][ T305] FS: 000055557819e3c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.690156][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.696767][ T305] CR2: 0000200000001000 CR3: 0000000110599000 CR4: 00000000003506b0 [ 25.707464][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.716035][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.724127][ T305] Kernel panic - not syncing: Fatal exception [ 25.730809][ T305] Kernel Offset: disabled [ 25.735141][ T305] Rebooting in 86400 seconds..