[ 28.396072][ T292] device veth1_macvtap entered promiscuous mode [ 28.405251][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.415175][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.470655][ T292] syz-executor.0 (292) used greatest stack depth: 21760 bytes left [ 29.268244][ T45] device bridge_slave_1 left promiscuous mode [ 29.274431][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.282106][ T45] device bridge_slave_0 left promiscuous mode [ 29.288353][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.296260][ T45] device veth1_macvtap left promiscuous mode [ 29.302316][ T45] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. 2025/07/20 15:33:22 ignoring optional flag "sandboxArg"="0" 2025/07/20 15:33:22 ignoring optional flag "type"="gce" 2025/07/20 15:33:22 parsed 1 programs 2025/07/20 15:33:22 executed programs: 0 [ 45.948105][ T30] kauditd_printk_skb: 18 callbacks suppressed [ 45.948119][ T30] audit: type=1400 audit(1753025602.815:92): avc: denied { unlink } for pid=328 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" [ 45.980999][ T328] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.038142][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.045202][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.052724][ T335] device bridge_slave_0 entered promiscuous mode [ 46.059922][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.066952][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.074469][ T335] device bridge_slave_1 entered promiscuous mode [ 46.119425][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.126490][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.133962][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.141027][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.159299][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.166604][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.174325][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.181745][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.190714][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.198903][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.205935][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.214598][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.222879][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.229945][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.242199][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.251547][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.264905][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.276018][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.284284][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.292054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.300291][ T335] device veth0_vlan entered promiscuous mode [ 46.310296][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.319351][ T335] device veth1_macvtap entered promiscuous mode [ 46.328814][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.338827][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.361227][ T346] loop0: detected capacity change from 0 to 256 [ 46.368369][ T30] audit: type=1400 audit(1753025603.235:93): avc: denied { mounton } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir2915188639/syzkaller.aKZEcf/0/file0" dev="sda1" ino=2036 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 46.395821][ T30] audit: type=1400 audit(1753025603.255:94): avc: denied { read write } for pid=345 comm="syz-executor.0" name="fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 46.419558][ T30] audit: type=1400 audit(1753025603.255:95): avc: denied { open } for pid=345 comm="syz-executor.0" path="/dev/fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 46.450128][ T349] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN [ 46.461863][ T349] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 46.470273][ T349] CPU: 1 PID: 349 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller-1081189-g6b619c45dff5 #0 [ 46.480590][ T349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 46.490640][ T349] RIP: 0010:step_into+0x12e/0xd10 [ 46.495683][ T349] Code: 4c 8b 74 24 18 c6 44 24 7f 00 43 0f b6 44 25 00 84 c0 0f 85 6f 0a 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 6e 0a 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 46.515283][ T349] RSP: 0018:ffffc90000de79c0 EFLAGS: 00010206 [ 46.521357][ T349] RAX: 0000000000000003 RBX: ffffc90000de7c00 RCX: ffff88810d300000 [ 46.529334][ T349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.537306][ T349] RBP: ffffc90000de7ac8 R08: 0000000000000000 R09: ffffed1024021e45 [ 46.545298][ T349] R10: ffffed1024021e45 R11: 1ffff11024021e44 R12: dffffc0000000000 [ 46.553269][ T349] R13: 1ffff920001bcf87 R14: 0000000000000001 R15: 0000000000000018 [ 46.561238][ T349] FS: 00007fbf435df6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.570181][ T349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.576759][ T349] CR2: 0000000020002080 CR3: 000000011d5a6000 CR4: 00000000003506a0 [ 46.584730][ T349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.592695][ T349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.600660][ T349] Call Trace: [ 46.603943][ T349] [ 46.606864][ T349] ? down_read+0xa5/0xf0 [ 46.611107][ T349] ? set_root+0x400/0x400 [ 46.615456][ T349] ? up_read+0x56/0x1d0 [ 46.619615][ T349] walk_component+0x26a/0x460 [ 46.624301][ T349] path_lookupat+0x180/0x490 [ 46.628887][ T349] filename_lookup+0x1e2/0x4f0 [ 46.633647][ T349] ? hashlen_string+0x120/0x120 [ 46.638497][ T349] user_path_at_empty+0x47/0x1c0 [ 46.643517][ T349] __se_sys_inotify_add_watch+0x1a0/0xba0 [ 46.649234][ T349] ? __x64_sys_inotify_add_watch+0x90/0x90 [ 46.655041][ T349] ? __kasan_check_write+0x14/0x20 [ 46.660163][ T349] ? switch_fpu_return+0x15d/0x2c0 [ 46.665273][ T349] __x64_sys_inotify_add_watch+0x7b/0x90 [ 46.670907][ T349] x64_sys_call+0x204/0x9a0 [ 46.675405][ T349] do_syscall_64+0x4c/0xa0 [ 46.679819][ T349] ? clear_bhb_loop+0x50/0xa0 [ 46.684507][ T349] ? clear_bhb_loop+0x50/0xa0 [ 46.689178][ T349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.695064][ T349] RIP: 0033:0x7fbf43a7dce9 [ 46.699474][ T349] 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 [ 46.719080][ T349] RSP: 002b:00007fbf435df0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000fe [ 46.727514][ T349] RAX: ffffffffffffffda RBX: 00007fbf43b9d050 RCX: 00007fbf43a7dce9 [ 46.735579][ T349] RDX: 0000000004000200 RSI: 0000000020000980 RDI: 0000000000000004 [ 46.743551][ T349] RBP: 00007fbf43aca47a R08: 0000000000000000 R09: 0000000000000000 [ 46.751521][ T349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.759493][ T349] R13: 000000000000006e R14: 00007fbf43b9d050 R15: 00007ffca4491ff8 [ 46.767595][ T349] [ 46.770625][ T349] Modules linked in: [ 46.776034][ T30] audit: type=1400 audit(1753025603.635:96): avc: denied { read } for pid=83 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 [ 46.778180][ T349] ---[ end trace 89fbdbcf654bc3b5 ]--- [ 46.803293][ T349] RIP: 0010:step_into+0x12e/0xd10 [ 46.808872][ T349] Code: 4c 8b 74 24 18 c6 44 24 7f 00 43 0f b6 44 25 00 84 c0 0f 85 6f 0a 00 00 45 8b 36 4c 8b bc 24 a8 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 6e 0a 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 46.827214][ T30] audit: type=1400 audit(1753025603.635:97): avc: denied { search } for pid=83 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 [ 46.828907][ T349] RSP: 0018:ffffc90000de79c0 EFLAGS: 00010206 [ 46.850271][ T30] audit: type=1400 audit(1753025603.635:98): avc: denied { write } for pid=83 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 [ 46.856201][ T349] RAX: 0000000000000003 RBX: ffffc90000de7c00 RCX: ffff88810d300000 [ 46.877646][ T30] audit: type=1400 audit(1753025603.635:99): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 46.885879][ T349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.906215][ T30] audit: type=1400 audit(1753025603.635:100): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 46.914534][ T349] RBP: ffffc90000de7ac8 R08: 0000000000000000 R09: ffffed1024021e45 [ 46.935052][ T30] audit: type=1400 audit(1753025603.635:101): avc: denied { append open } for pid=83 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 [ 46.943173][ T349] R10: ffffed1024021e45 R11: 1ffff11024021e44 R12: dffffc0000000000 [ 46.973514][ T349] R13: 1ffff920001bcf87 R14: 0000000000000001 R15: 0000000000000018 [ 46.981703][ T349] FS: 00007fbf435df6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 46.990975][ T349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.997827][ T349] CR2: 00007fbf435dfd58 CR3: 000000011d5a6000 CR4: 00000000003506b0 [ 47.005941][ T349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.013986][ T349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.022017][ T349] Kernel panic - not syncing: Fatal exception [ 47.028383][ T349] Kernel Offset: disabled [ 47.032710][ T349] Rebooting in 86400 seconds..