syzkaller syzkaller login: [ 13.071520][ T36] kauditd_printk_skb: 26 callbacks suppressed [ 13.071540][ T36] audit: type=1400 audit(1785334608.539:59): avc: denied { transition } for pid=230 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.076835][ T36] audit: type=1400 audit(1785334608.539:60): avc: denied { noatsecure } for pid=230 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.080492][ T36] audit: type=1400 audit(1785334608.549:61): avc: denied { write } for pid=230 comm="sh" path="pipe:[2655]" dev="pipefs" ino=2655 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.084568][ T36] audit: type=1400 audit(1785334608.549:62): avc: denied { rlimitinh } for pid=230 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.088301][ T36] audit: type=1400 audit(1785334608.549:63): avc: denied { siginh } for pid=230 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts. 2026/07/29 14:16:58 parsed 1 programs 2026/07/29 14:16:58 serving rpc on tcp://35737 [ 22.827185][ T36] audit: type=1400 audit(1785334618.299:64): avc: denied { node_bind } for pid=302 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 23.811551][ T36] audit: type=1400 audit(1785334619.279:65): avc: denied { mounton } for pid=308 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 23.812763][ T308] cgroup: Unknown subsys name 'net' [ 23.834916][ T36] audit: type=1400 audit(1785334619.279:66): avc: denied { mount } for pid=308 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.863078][ T36] audit: type=1400 audit(1785334619.309:67): avc: denied { unmount } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.863293][ T308] cgroup: Unknown subsys name 'devices' [ 24.007384][ T308] cgroup: Unknown subsys name 'hugetlb' [ 24.013206][ T308] cgroup: Unknown subsys name 'rlimit' [ 24.111936][ T36] audit: type=1400 audit(1785334619.579:68): avc: denied { setattr } for pid=308 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.136941][ T36] audit: type=1400 audit(1785334619.579:69): avc: denied { create } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 24.146401][ T311] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.159200][ T36] audit: type=1400 audit(1785334619.579:70): avc: denied { write } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.188461][ T36] audit: type=1400 audit(1785334619.579:71): avc: denied { read } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.209319][ T36] audit: type=1400 audit(1785334619.579:72): avc: denied { sys_module } for pid=308 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 24.210301][ T308] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.230570][ T36] audit: type=1400 audit(1785334619.579:73): avc: denied { mounton } for pid=308 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 25.177063][ T317] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 25.712098][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.743994][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.776981][ T350] bridge_slave_0: entered allmulticast mode [ 25.783905][ T350] bridge_slave_0: entered promiscuous mode [ 25.791447][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.798753][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.807069][ T350] bridge_slave_1: entered allmulticast mode [ 25.814408][ T350] bridge_slave_1: entered promiscuous mode [ 25.991542][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.999230][ T350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.006811][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.013951][ T350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.048961][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.057057][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.083381][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.091054][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state 2026/07/29 14:17:01 executed programs: 0 [ 26.101890][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.109421][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.131614][ T350] veth0_vlan: entered promiscuous mode [ 26.142324][ T350] veth1_macvtap: entered promiscuous mode [ 26.219659][ T46] bridge_slave_1: left allmulticast mode [ 26.235449][ T46] bridge_slave_1: left promiscuous mode [ 26.250581][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.259981][ T46] bridge_slave_0: left allmulticast mode [ 26.265938][ T46] bridge_slave_0: left promiscuous mode [ 26.272257][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.364451][ T46] veth1_macvtap: left promiscuous mode [ 26.370529][ T46] veth0_vlan: left promiscuous mode [ 26.454862][ T379] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.462550][ T379] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.470294][ T379] bridge_slave_0: entered allmulticast mode [ 26.476872][ T379] bridge_slave_0: entered promiscuous mode [ 26.484005][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.491503][ T379] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.498954][ T379] bridge_slave_1: entered allmulticast mode [ 26.505792][ T379] bridge_slave_1: entered promiscuous mode [ 26.559801][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.567093][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.574487][ T384] bridge_slave_0: entered allmulticast mode [ 26.581075][ T384] bridge_slave_0: entered promiscuous mode [ 26.590372][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.598039][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.605518][ T384] bridge_slave_1: entered allmulticast mode [ 26.611837][ T384] bridge_slave_1: entered promiscuous mode [ 26.625117][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.632694][ T383] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.639961][ T383] bridge_slave_0: entered allmulticast mode [ 26.646418][ T383] bridge_slave_0: entered promiscuous mode [ 26.672400][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.679795][ T383] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.689027][ T383] bridge_slave_1: entered allmulticast mode [ 26.695894][ T383] bridge_slave_1: entered promiscuous mode [ 26.741959][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.749370][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.757802][ T382] bridge_slave_0: entered allmulticast mode [ 26.764264][ T382] bridge_slave_0: entered promiscuous mode [ 26.774443][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.782198][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.789831][ T382] bridge_slave_1: entered allmulticast mode [ 26.796351][ T382] bridge_slave_1: entered promiscuous mode [ 26.943624][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.951282][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.958919][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.966391][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.033639][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.041221][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.056861][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.063950][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.072211][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.079383][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.090138][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.097701][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.116966][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.124452][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.132678][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.140480][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.149125][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.156838][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.164802][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.172475][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.180779][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.188369][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.249781][ T383] veth0_vlan: entered promiscuous mode [ 27.269045][ T379] veth0_vlan: entered promiscuous mode [ 27.274866][ T382] veth0_vlan: entered promiscuous mode [ 27.288305][ T383] veth1_macvtap: entered promiscuous mode [ 27.302545][ T384] veth0_vlan: entered promiscuous mode [ 27.312342][ T379] veth1_macvtap: entered promiscuous mode [ 27.329959][ T382] veth1_macvtap: entered promiscuous mode [ 27.348348][ T384] veth1_macvtap: entered promiscuous mode [ 27.378491][ T398] dummy_hcd dummy_hcd.0: remove, state 4 [ 27.384474][ T398] usb usb1: USB disconnect, device number 1 [ 27.398835][ T398] dummy_hcd dummy_hcd.0: stopped [ 27.405144][ T398] dummy_hcd dummy_hcd.0: USB bus 1 deregistered [ 27.433508][ T400] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI [ 27.446508][ T400] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 27.456855][ T400] CPU: 1 UID: 0 PID: 400 Comm: syz.0.17 Not tainted syzkaller #0 4e52c0723cb79d31d146da949bb07b469cd0953d [ 27.469883][ T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 27.480221][ T400] RIP: 0010:dummy_udc_start+0xd1/0x1f0 [ 27.485904][ T400] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 0b ce fd eb 0c e8 9d 0b ce fd eb 05 e8 96 0b ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 80 cb 26 fe 4d 8b 36 4c 89 f7 e8 [ 27.506672][ T400] RSP: 0018:ffffc90000eaf818 EFLAGS: 00010246 [ 27.513198][ T400] RAX: 0000000000000000 RBX: ffff88811842c010 RCX: ffff888117ed3900 [ 27.521352][ T400] RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003 [ 27.529618][ T400] RBP: ffffc90000eaf840 R08: ffff888117ed3900 R09: 0000000000000004 [ 27.537718][ T400] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 27.545888][ T400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 27.554130][ T400] FS: 00007fc1755076c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.563434][ T400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.570265][ T400] CR2: 00007fc174587000 CR3: 0000000117ce6000 CR4: 00000000003526b0 [ 27.578623][ T400] Call Trace: [ 27.581930][ T400] [ 27.585684][ T400] ? __cfi_dummy_udc_start+0x10/0x10 [ 27.591236][ T400] gadget_bind_driver+0x3e1/0x9c0 [ 27.596994][ T400] ? __cfi_gadget_bind_driver+0x10/0x10 [ 27.603173][ T400] really_probe+0x2e1/0x8b0 [ 27.607959][ T400] __driver_probe_device+0x193/0x280 [ 27.613330][ T400] driver_probe_device+0x54/0x3f0 [ 27.618880][ T400] __driver_attach+0x422/0x5e0 [ 27.623718][ T400] bus_for_each_dev+0x249/0x2d0 [ 27.628819][ T400] ? __cfi___driver_attach+0x10/0x10 [ 27.634275][ T400] ? __cfi_bus_for_each_dev+0x10/0x10 [ 27.639922][ T400] ? __kasan_kmalloc+0x96/0xb0 [ 27.644800][ T400] ? _raw_spin_unlock+0x45/0x60 [ 27.649870][ T400] ? klist_add_tail+0x1dd/0x220 [ 27.655312][ T400] driver_attach+0x46/0x50 [ 27.659787][ T400] bus_add_driver+0x393/0x730 [ 27.664915][ T400] driver_register+0x2b7/0x3c0 [ 27.670216][ T400] usb_gadget_register_driver_owner+0xfc/0x270 [ 27.676586][ T400] raw_ioctl+0x144c/0x37a0 [ 27.681147][ T400] ? __cfi_raw_ioctl+0x10/0x10 [ 27.686010][ T400] ? selinux_file_ioctl+0x732/0x1480 [ 27.691315][ T400] ? __cfi_selinux_file_ioctl+0x10/0x10 [ 27.696884][ T400] ? bpf_lsm_file_ioctl+0xd/0x20 [ 27.701937][ T400] ? security_file_ioctl+0x3e/0x110 [ 27.707505][ T400] ? __cfi_raw_ioctl+0x10/0x10 [ 27.712449][ T400] __se_sys_ioctl+0x132/0x1b0 [ 27.717301][ T400] __x64_sys_ioctl+0x7f/0xa0 [ 27.722260][ T400] x64_sys_call+0x1878/0x2ee0 [ 27.727337][ T400] do_syscall_64+0x57/0xf0 [ 27.732583][ T400] ? clear_bhb_loop+0x50/0xa0 [ 27.735599][ T9] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 27.737552][ T400] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.746609][ T10] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 27.751473][ T400] RIP: 0033:0x7fc17459db2b [ 27.763543][ T400] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 27.784638][ T400] RSP: 002b:00007fc175504f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 27.793477][ T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc17459db2b [ 27.802268][ T400] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 [ 27.811049][ T400] RBP: 00007fc175505fd0 R08: 0000000000000001 R09: 00000000ffffffff [ 27.819289][ T400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 27.827721][ T400] R13: 00002000000000c0 R14: 0000000000000000 R15: 0000000000000000 [ 27.836056][ T400] [ 27.839339][ T400] Modules linked in: [ 27.844600][ T400] ---[ end trace 0000000000000000 ]--- [ 27.852722][ T400] RIP: 0010:dummy_udc_start+0xd1/0x1f0 [ 27.859942][ T400] Code: 41 83 ff 03 74 18 41 83 ff 05 0f 85 94 00 00 00 e8 a4 0b ce fd eb 0c e8 9d 0b ce fd eb 05 e8 96 0b ce fd 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 80 cb 26 fe 4d 8b 36 4c 89 f7 e8 [ 27.880693][ T400] RSP: 0018:ffffc90000eaf818 EFLAGS: 00010246 [ 27.887740][ T400] RAX: 0000000000000000 RBX: ffff88811842c010 RCX: ffff888117ed3900 [ 27.896060][ T9] usb 2-1: device descriptor read/64, error -71 [ 27.896433][ T400] RDX: 0000000000000000 RSI: ffffffff87a4b360 RDI: 0000000000000003 [ 27.902635][ T10] usb 5-1: device descriptor read/64, error -71 [ 27.911211][ T400] RBP: ffffc90000eaf840 R08: ffff888117ed3900 R09: 0000000000000004 [ 27.926152][ T400] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 27.934487][ T400] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003 [ 27.942862][ T400] FS: 00007fc1755076c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.953352][ T400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.960528][ T400] CR2: 00007f0c81d87000 CR3: 0000000117ce6000 CR4: 00000000003526b0 [ 27.969070][ T400] Kernel panic - not syncing: Fatal exception [ 27.975860][ T400] Kernel Offset: disabled [ 27.980375][ T400] Rebooting in 86400 seconds..