[ 22.426605][ T295] device veth1_macvtap entered promiscuous mode [ 22.437973][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.448882][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.504971][ T295] syz-executor.0 (295) used greatest stack depth: 21568 bytes left [ 23.044799][ T42] device bridge_slave_1 left promiscuous mode [ 23.051592][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.059688][ T42] device bridge_slave_0 left promiscuous mode [ 23.066221][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.074457][ T42] device veth1_macvtap left promiscuous mode [ 23.081002][ T42] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. 2025/09/12 12:21:27 ignoring optional flag "type"="gce" 2025/09/12 12:21:27 parsed 1 programs [ 39.924251][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 39.924265][ T28] audit: type=1400 audit(1757679687.861:92): avc: denied { unlink } for pid=330 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2025/09/12 12:21:27 executed programs: 0 [ 39.992058][ T330] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 40.043507][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.050908][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.059638][ T337] device bridge_slave_0 entered promiscuous mode [ 40.069463][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.077691][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.085681][ T337] device bridge_slave_1 entered promiscuous mode [ 40.127867][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.135069][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.142494][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.149638][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.166284][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.173938][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.181575][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.189483][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.199015][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.208424][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.216213][ T321] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.225432][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.233762][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.240867][ T321] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.252717][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.263110][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.276890][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.290569][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.298944][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.306901][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.315934][ T337] device veth0_vlan entered promiscuous mode [ 40.327175][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.336917][ T337] device veth1_macvtap entered promiscuous mode [ 40.346471][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.356968][ T321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.376814][ T28] audit: type=1400 audit(1757679688.311:93): avc: denied { read write } for pid=347 comm="syz-executor.0" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 40.407554][ T28] audit: type=1400 audit(1757679688.311:94): avc: denied { open } for pid=347 comm="syz-executor.0" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 40.432100][ T28] audit: type=1400 audit(1757679688.341:95): avc: denied { mounton } for pid=347 comm="syz-executor.0" path="/root/syzkaller-testdir2004103951/syzkaller.SdC4P0/0/file0" dev="sda1" ino=2036 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 40.510350][ T350] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 40.522247][ T350] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 40.530856][ T350] CPU: 0 PID: 350 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.538707][ T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 40.548946][ T350] RIP: 0010:step_into+0x11d/0xf30 [ 40.554179][ T350] Code: 74 24 08 c6 44 24 7f 00 43 0f b6 04 3c 84 c0 4d 89 fd 0f 85 08 0c 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 07 0c 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 40.574033][ T350] RSP: 0018:ffffc900015879c0 EFLAGS: 00010202 [ 40.580445][ T350] RAX: 0000000000000001 RBX: ffffc90001587c00 RCX: ffff8881175e8000 [ 40.588508][ T350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.596787][ T350] RBP: ffffc90001587ad8 R08: dffffc0000000000 R09: ffffed1022f70cdd [ 40.604751][ T350] R10: ffffed1022f70cdd R11: 1ffff11022f70cdc R12: 1ffff920002b0f87 [ 40.612737][ T350] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000008 [ 40.620740][ T350] FS: 00007f13b977b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 40.629659][ T350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.636242][ T350] CR2: 0000000020009000 CR3: 000000010927f000 CR4: 00000000003506b0 [ 40.644202][ T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.652167][ T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.660143][ T350] Call Trace: [ 40.663422][ T350] [ 40.666344][ T350] ? __lookup_slow+0x376/0x3f0 [ 40.671107][ T350] ? lookup_one_len+0x2d0/0x2d0 [ 40.675954][ T350] ? down_read+0xa0/0xf0 [ 40.680572][ T350] ? set_root+0x400/0x400 [ 40.685079][ T350] ? up_read+0x56/0x1d0 [ 40.689238][ T350] walk_component+0x24c/0x420 [ 40.693933][ T350] path_lookupat+0x180/0x490 [ 40.698532][ T350] filename_lookup+0x1f0/0x500 [ 40.703316][ T350] ? __cfi_filename_lookup+0x10/0x10 [ 40.708795][ T350] ? strncpy_from_user+0x17a/0x2d0 [ 40.713957][ T350] user_path_at_empty+0x47/0x1c0 [ 40.719339][ T350] path_setxattr+0xae/0x280 [ 40.723940][ T350] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 40.729575][ T350] ? simple_xattr_list_add+0x120/0x120 [ 40.735036][ T350] ? xfd_validate_state+0x70/0x150 [ 40.740148][ T350] __x64_sys_setxattr+0xc5/0xe0 [ 40.745086][ T350] x64_sys_call+0x633/0x9a0 [ 40.749601][ T350] do_syscall_64+0x4c/0xa0 [ 40.754218][ T350] ? clear_bhb_loop+0x30/0x80 [ 40.758894][ T350] ? clear_bhb_loop+0x30/0x80 [ 40.763850][ T350] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 40.771114][ T350] RIP: 0033:0x7f13b8a7cae9 [ 40.776217][ T350] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 40.796090][ T350] RSP: 002b:00007f13b977b0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 40.804493][ T350] RAX: ffffffffffffffda RBX: 00007f13b8b9c050 RCX: 00007f13b8a7cae9 [ 40.812667][ T350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020002740 [ 40.820739][ T350] RBP: 00007f13b8ac847a R08: 0000000000000004 R09: 0000000000000000 [ 40.828780][ T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.836959][ T350] R13: 000000000000006e R14: 00007f13b8b9c050 R15: 00007ffeb1d48a58 [ 40.845536][ T350] [ 40.848575][ T350] Modules linked in: [ 40.853689][ T28] audit: type=1400 audit(1757679688.791:96): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 40.854410][ T350] ---[ end trace 0000000000000000 ]--- [ 40.876548][ T28] audit: type=1400 audit(1757679688.791:97): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 40.882197][ T350] RIP: 0010:step_into+0x11d/0xf30 [ 40.903506][ T28] audit: type=1400 audit(1757679688.791:98): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 40.909082][ T350] Code: 74 24 08 c6 44 24 7f 00 43 0f b6 04 3c 84 c0 4d 89 fd 0f 85 08 0c 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 07 0c 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 40.930581][ T28] audit: type=1400 audit(1757679688.791:99): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 40.950291][ T350] RSP: 0018:ffffc900015879c0 EFLAGS: 00010202 [ 40.971163][ T28] audit: type=1400 audit(1757679688.811:100): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 40.971254][ T350] [ 40.977575][ T28] audit: type=1400 audit(1757679688.811:101): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 40.999017][ T350] RAX: 0000000000000001 RBX: ffffc90001587c00 RCX: ffff8881175e8000 [ 41.032990][ T350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.041378][ T350] RBP: ffffc90001587ad8 R08: dffffc0000000000 R09: ffffed1022f70cdd [ 41.049778][ T350] R10: ffffed1022f70cdd R11: 1ffff11022f70cdc R12: 1ffff920002b0f87 [ 41.058000][ T350] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000008 [ 41.066684][ T350] FS: 00007f13b977b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.075669][ T350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.082610][ T350] CR2: 0000000020009000 CR3: 000000010927f000 CR4: 00000000003506b0 [ 41.090614][ T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.098619][ T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.106828][ T350] Kernel panic - not syncing: Fatal exception [ 41.113416][ T350] Kernel Offset: disabled [ 41.117911][ T350] Rebooting in 86400 seconds..