[ 41.489434][ T52] device bridge_slave_1 left promiscuous mode [ 41.495505][ T52] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.502640][ T52] device bridge_slave_0 left promiscuous mode [ 41.508873][ T52] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.516353][ T52] device veth1_macvtap left promiscuous mode [ 41.522361][ T52] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.253' (ED25519) to the list of known hosts. 2025/10/12 00:21:19 parsed 1 programs [ 47.669582][ T29] kauditd_printk_skb: 34 callbacks suppressed [ 47.669587][ T29] audit: type=1400 audit(1760228480.110:108): avc: denied { unlink } for pid=380 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 47.723745][ T380] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.133495][ T29] audit: type=1401 audit(1760228480.570:109): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 48.233610][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.240663][ T423] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.247710][ T423] device bridge_slave_0 entered promiscuous mode [ 48.254424][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.261439][ T423] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.268651][ T423] device bridge_slave_1 entered promiscuous mode [ 48.280493][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.287518][ T423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.294990][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.302035][ T423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.310898][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.318181][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.325299][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.332974][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.341084][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.348081][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.355592][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.363602][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.370624][ T355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.378891][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.386896][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.396360][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.405107][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.413955][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.421490][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.428989][ T423] device veth0_vlan entered promiscuous mode [ 48.435879][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.444085][ T423] device veth1_macvtap entered promiscuous mode [ 48.450773][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.459192][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.473194][ T423] syz-executor (423) used greatest stack depth: 10672 bytes left 2025/10/12 00:21:21 executed programs: 0 [ 48.599107][ T440] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.606231][ T440] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.613353][ T440] device bridge_slave_0 entered promiscuous mode [ 48.619983][ T440] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.626978][ T440] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.634939][ T440] device bridge_slave_1 entered promiscuous mode [ 48.646704][ T440] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.653849][ T440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.661051][ T440] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.668152][ T440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.676830][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.684125][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.691364][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.698785][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.706831][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.714124][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.721721][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.729748][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.736748][ T355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.744927][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.753230][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.761753][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.770360][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.778301][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.785547][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.793030][ T440] device veth0_vlan entered promiscuous mode [ 48.799675][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.807839][ T440] device veth1_macvtap entered promiscuous mode [ 48.814617][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.823057][ T355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.837300][ T451] loop2: detected capacity change from 0 to 512 [ 48.869924][ T451] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 48.880973][ T451] ext4 filesystem being mounted at /0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 48.880980][ T29] audit: type=1400 audit(1760228481.320:110): avc: denied { mount } for pid=450 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 48.900114][ T451] EXT4-fs (loop2): resizing filesystem from 0 to 8 blocks [ 48.912711][ T29] audit: type=1400 audit(1760228481.330:111): avc: denied { write } for pid=450 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.919838][ T451] ------------[ cut here ]------------ [ 48.941036][ T29] audit: type=1400 audit(1760228481.330:112): avc: denied { add_name } for pid=450 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.946545][ T451] kernel BUG at fs/ext4/resize.c:545! [ 48.966810][ T29] audit: type=1400 audit(1760228481.330:113): avc: denied { create } for pid=450 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 48.972169][ T451] invalid opcode: 0000 [#1] PREEMPT SMP [ 48.992089][ T29] audit: type=1400 audit(1760228481.330:114): avc: denied { read write open } for pid=450 comm="syz.2.17" path="/0/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 48.997472][ T451] CPU: 0 PID: 451 Comm: syz.2.17 Not tainted syzkaller #0 [ 48.997476][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 48.997478][ T451] RIP: 0010:ext4_flex_group_add+0xb5c/0x1be0 [ 49.020836][ T29] audit: type=1400 audit(1760228481.330:115): avc: denied { mounton } for pid=450 comm="syz.2.17" path="/0/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.027834][ T451] Code: 89 da eb 04 44 8b 55 80 48 8b 55 98 be 12 06 00 00 48 c7 c7 80 24 80 82 44 89 55 90 e8 3d de fb ff 44 8b 55 90 e9 e9 f9 ff ff <0f> 0b e8 8d 2c d6 ff 48 8b 85 38 ff ff ff 48 63 db 48 8b 40 70 48 [ 49.027838][ T451] RSP: 0018:ffffc90000473c48 EFLAGS: 00010297 [ 49.027842][ T451] RAX: ffff88811c07b400 RBX: ffff88810d7b2000 RCX: 0000000000000001 [ 49.037964][ T29] audit: type=1400 audit(1760228481.330:116): avc: denied { map } for pid=450 comm="syz.2.17" path="/0/file0/bus" dev="devtmpfs" ino=47 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.043836][ T451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 49.043838][ T451] RBP: ffffc90000473d48 R08: ffffc90000473ce8 R09: 0000000000004000 [ 49.043841][ T451] R10: ffff88810db7a800 R11: 2073662d34545845 R12: 0000000000000001 [ 49.043843][ T451] R13: ffff88811c07b400 R14: 0000000000000002 R15: ffff88810db7a800 [ 49.043845][ T451] FS: 00007f0e473736c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 49.043852][ T451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.066720][ T29] audit: type=1400 audit(1760228481.330:117): avc: denied { prog_load } for pid=450 comm="syz.2.17" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 49.085732][ T451] CR2: 00007f0e47352d58 CR3: 000000011a488000 CR4: 00000000003506b0 [ 49.085736][ T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.085738][ T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.085740][ T451] Call Trace: [ 49.085742][ T451] [ 49.085743][ T451] ? vprintk_default+0x18/0x20 [ 49.085752][ T451] ? vprintk+0x29/0x30 [ 49.085754][ T451] ? _printk+0x53/0x6a [ 49.233408][ T451] ? should_failslab+0x9/0x20 [ 49.238062][ T451] ? __kmalloc+0x332/0x4e0 [ 49.242592][ T451] ext4_resize_fs+0xd99/0x1230 [ 49.247328][ T451] __ext4_ioctl+0xea5/0x1570 [ 49.251911][ T451] ? vm_mmap_pgoff+0x20/0x1e0 [ 49.256576][ T451] ext4_ioctl+0x9/0x10 [ 49.260628][ T451] __x64_sys_ioctl+0x89/0xc0 [ 49.265192][ T451] x64_sys_call+0x912/0x990 [ 49.269664][ T451] do_syscall_64+0x33/0x80 [ 49.274078][ T451] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 49.280126][ T451] RIP: 0033:0x7f0e47502be9 [ 49.284628][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 49.304205][ T451] RSP: 002b:00007f0e47373038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.312691][ T451] RAX: ffffffffffffffda RBX: 00007f0e47729fa0 RCX: 00007f0e47502be9 [ 49.320993][ T451] RDX: 0000200000000140 RSI: 0000000040086610 RDI: 0000000000000004 [ 49.329026][ T451] RBP: 00007f0e47585e19 R08: 0000000000000000 R09: 0000000000000000 [ 49.336970][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.345000][ T451] R13: 00007f0e4772a038 R14: 00007f0e47729fa0 R15: 00007ffd6201fc08 [ 49.353046][ T451] [ 49.356040][ T451] Modules linked in: [ 49.360630][ T451] ---[ end trace 6d720c120112c6db ]--- [ 49.366165][ T451] RIP: 0010:ext4_flex_group_add+0xb5c/0x1be0 [ 49.372180][ T451] Code: 89 da eb 04 44 8b 55 80 48 8b 55 98 be 12 06 00 00 48 c7 c7 80 24 80 82 44 89 55 90 e8 3d de fb ff 44 8b 55 90 e9 e9 f9 ff ff <0f> 0b e8 8d 2c d6 ff 48 8b 85 38 ff ff ff 48 63 db 48 8b 40 70 48 [ 49.392246][ T451] RSP: 0018:ffffc90000473c48 EFLAGS: 00010297 [ 49.398767][ T451] RAX: ffff88811c07b400 RBX: ffff88810d7b2000 RCX: 0000000000000001 [ 49.406744][ T451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 49.414780][ T451] RBP: ffffc90000473d48 R08: ffffc90000473ce8 R09: 0000000000004000 [ 49.422908][ T451] R10: ffff88810db7a800 R11: 2073662d34545845 R12: 0000000000000001 [ 49.430970][ T451] R13: ffff88811c07b400 R14: 0000000000000002 R15: ffff88810db7a800 [ 49.438980][ T451] FS: 00007f0e473736c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 49.447979][ T451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.454665][ T451] CR2: 00007f0e47351f98 CR3: 000000011a488000 CR4: 00000000003506a0 [ 49.462688][ T451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.470673][ T451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.478646][ T451] Kernel panic - not syncing: Fatal exception [ 49.485001][ T451] Kernel Offset: disabled [ 49.489323][ T451] Rebooting in 86400 seconds..