[ 25.643017][ T112] device bridge_slave_0 left promiscuous mode [ 25.649146][ T112] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.656799][ T112] device veth1_macvtap left promiscuous mode [ 25.662885][ T112] device veth0_vlan left promiscuous mode [ 27.067844][ T112] device bridge_slave_1 left promiscuous mode [ 27.074335][ T112] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.082060][ T112] device bridge_slave_0 left promiscuous mode [ 27.088519][ T112] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.096485][ T112] device veth1_macvtap left promiscuous mode [ 27.102692][ T112] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.0.35' (ED25519) to the list of known hosts. 2026/04/09 06:15:17 parsed 1 programs [ 43.590168][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 43.590180][ T24] audit: type=1400 audit(1775715317.730:104): avc: denied { unlink } for pid=412 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" [ 43.685070][ T412] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.517003][ T24] audit: type=1401 audit(1775715318.650:105): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 44.585938][ T450] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.593222][ T450] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.600771][ T450] device bridge_slave_0 entered promiscuous mode [ 44.607908][ T450] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.615260][ T450] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.623253][ T450] device bridge_slave_1 entered promiscuous mode [ 44.655696][ T450] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.662915][ T450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.670256][ T450] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.677442][ T450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.695170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.702818][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.710244][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.719466][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.727928][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.734969][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.744082][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.752697][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.760027][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.773620][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.783066][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.796010][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.806994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.815451][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.823431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.832231][ T450] device veth0_vlan entered promiscuous mode [ 44.842448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.852080][ T450] device veth1_macvtap entered promiscuous mode [ 44.861318][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.871137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.929862][ T24] audit: type=1400 audit(1775715319.070:106): avc: denied { create } for pid=461 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 2026/04/09 06:15:19 executed programs: 0 [ 45.197643][ T24] audit: type=1400 audit(1775715319.340:107): avc: denied { write } for pid=403 comm="syz-execprog" path="pipe:[15861]" dev="pipefs" ino=15861 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 45.268248][ T472] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.275400][ T472] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.282945][ T472] device bridge_slave_0 entered promiscuous mode [ 45.289862][ T472] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.297091][ T472] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.304752][ T472] device bridge_slave_1 entered promiscuous mode [ 45.342012][ T472] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.349562][ T472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.356900][ T472] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.364359][ T472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.380721][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.388435][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.395722][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.410695][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.419088][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.426101][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.435041][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.443652][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.450846][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.468621][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.478418][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.496878][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.508431][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.516918][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.524601][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.533612][ T472] device veth0_vlan entered promiscuous mode [ 45.548947][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.558884][ T472] device veth1_macvtap entered promiscuous mode [ 45.568176][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.576726][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.590827][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.599117][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.630354][ T477] ====================================================== [ 45.630354][ T477] WARNING: the mand mount option is being deprecated and [ 45.630354][ T477] will be removed in v5.15! [ 45.630354][ T477] ====================================================== [ 45.690482][ T477] EXT4-fs (loop2): Ignoring removed nobh option [ 45.696869][ T477] EXT4-fs (loop2): Ignoring removed bh option [ 45.703304][ T477] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.719293][ T477] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000002,dioread_lock,data_err=ignore,max_dir_size_kb=0x00000000004007b1,data_err=ignore,grpquota,nobh,user_xattr,bh,dioread_nolock,,errors=continue [ 45.744348][ T24] audit: type=1400 audit(1775715319.880:108): avc: denied { mount } for pid=476 comm="syz.2.16" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 45.753609][ T477] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3358: comm syz.2.16: Allocating blocks 497-513 which overlap fs metadata [ 45.773987][ T24] audit: type=1400 audit(1775715319.880:109): avc: denied { read write } for pid=476 comm="syz.2.16" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 45.803742][ T24] audit: type=1400 audit(1775715319.880:110): avc: denied { open } for pid=476 comm="syz.2.16" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 45.832926][ T477] ------------[ cut here ]------------ [ 45.838847][ T477] kernel BUG at fs/ext4/extents.c:1014! [ 45.844562][ T477] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 45.851063][ T477] CPU: 0 PID: 477 Comm: syz.2.16 Not tainted syzkaller #0 [ 45.858249][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 45.868502][ T477] RIP: 0010:ext4_ext_insert_index+0x52d/0x530 [ 45.874573][ T477] Code: 4c 89 fa e9 ca fd ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c dd fd ff ff 4c 89 f7 e8 ad e5 d2 ff e9 d0 fd ff ff e8 c3 65 98 ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec c0 00 00 [ 45.894338][ T477] RSP: 0018:ffffc90002786b20 EFLAGS: 00010293 [ 45.900398][ T477] RAX: ffffffff81cc4d8d RBX: ffff88812c109424 RCX: ffff888128be2780 [ 45.908673][ T477] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 45.916734][ T477] RBP: ffffc90002786b90 R08: ffff8881234709df R09: 1ffff1102468e13b [ 45.924807][ T477] R10: dffffc0000000000 R11: ffffed102468e13c R12: 0000000000000000 [ 45.932778][ T477] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 45.940844][ T477] FS: 00007f8bcca9c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 45.949954][ T477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.956531][ T477] CR2: 000020000002c0bf CR3: 0000000127ef9000 CR4: 00000000003506b0 [ 45.964780][ T477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.972886][ T477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.980861][ T477] Call Trace: [ 45.984164][ T477] ext4_ext_insert_extent+0x3948/0x45d0 [ 45.989730][ T477] ? ext4_ext_next_allocated_block+0x2e0/0x2e0 [ 45.995892][ T477] ? get_implied_cluster_alloc+0x526/0x940 [ 46.001914][ T477] ext4_ext_map_blocks+0x17a9/0x5dd0 [ 46.007707][ T477] ? _raw_write_trylock+0x150/0x150 [ 46.013343][ T477] ? _raw_write_unlock+0x2b/0x60 [ 46.018362][ T477] ? ext4_ext_release+0x10/0x10 [ 46.023203][ T477] ? ext4_fc_track_template+0xb5/0x600 [ 46.029169][ T477] ? ext4_fc_track_range+0x260/0x260 [ 46.034528][ T477] ? ext4_es_lookup_extent+0x54c/0x900 [ 46.040003][ T477] ext4_map_blocks+0x985/0x1bd0 [ 46.044983][ T477] ? __kasan_slab_alloc+0xbd/0xf0 [ 46.050093][ T477] ? slab_post_alloc_hook+0x5d/0x2f0 [ 46.055420][ T477] ? kmem_cache_alloc+0x162/0x2d0 [ 46.060548][ T477] ? ext4_issue_zeroout+0x1a0/0x1a0 [ 46.066279][ T477] _ext4_get_block+0x1d1/0x4e0 [ 46.071055][ T477] ? ext4_get_block+0x50/0x50 [ 46.075737][ T477] ? slab_post_alloc_hook+0x7d/0x2f0 [ 46.081153][ T477] ext4_get_block_unwritten+0x2a/0x40 [ 46.086543][ T477] ext4_block_write_begin+0x573/0x1340 [ 46.092158][ T477] ? _ext4_get_block+0x4e0/0x4e0 [ 46.097349][ T477] ? ext4_print_free_blocks+0x2c0/0x2c0 [ 46.103040][ T477] ? __kasan_check_read+0x11/0x20 [ 46.108682][ T477] ? ext4_inode_journal_mode+0x19a/0x480 [ 46.114604][ T477] ext4_write_begin+0x67e/0x1690 [ 46.119668][ T477] ? ext4_readahead+0x110/0x110 [ 46.124781][ T477] ? ext4_get_group_desc+0x25f/0x2b0 [ 46.130172][ T477] ? __kasan_check_read+0x11/0x20 [ 46.135310][ T477] ? mark_buffer_dirty+0x1cc/0x330 [ 46.140437][ T477] ? __ext4_handle_dirty_metadata+0x2eb/0x7f0 [ 46.146600][ T477] ? __kasan_check_write+0x14/0x20 [ 46.151721][ T477] ? ext4_mark_iloc_dirty+0x2b9a/0x3e40 [ 46.157321][ T477] ext4_da_write_begin+0x478/0xf10 [ 46.162429][ T477] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 46.167819][ T477] ? __ext4_journal_stop+0x36/0x1a0 [ 46.173098][ T477] ? ext4_write_end+0x9fc/0xf60 [ 46.177940][ T477] ? iov_iter_advance+0x1f7/0x750 [ 46.182975][ T477] generic_perform_write+0x2ce/0x540 [ 46.188344][ T477] ? grab_cache_page_write_begin+0xb0/0xb0 [ 46.194372][ T477] ? down_write+0xb2/0x120 [ 46.198785][ T477] ? down_read_killable+0xe0/0xe0 [ 46.204021][ T477] ? generic_write_checks+0x3b3/0x480 [ 46.210081][ T477] ext4_buffered_write_iter+0x4b8/0x640 [ 46.215803][ T477] ext4_file_write_iter+0x53f/0x1980 [ 46.221192][ T477] ? avc_policy_seqno+0x1b/0x70 [ 46.226594][ T477] ? selinux_file_permission+0x2a5/0x510 [ 46.232238][ T477] ? ext4_file_read_iter+0x530/0x530 [ 46.237556][ T477] ? security_file_permission+0x83/0xa0 [ 46.243482][ T477] ? iov_iter_init+0x3f/0x120 [ 46.248433][ T477] vfs_write+0x758/0xdc0 [ 46.252924][ T477] ? kernel_write+0x3c0/0x3c0 [ 46.257810][ T477] ? __fget_files+0x2c4/0x320 [ 46.262474][ T477] ? __fdget+0x1a1/0x230 [ 46.266876][ T477] ? __x64_sys_pwrite64+0xf2/0x220 [ 46.272163][ T477] __x64_sys_pwrite64+0x197/0x220 [ 46.277372][ T477] ? ksys_pwrite64+0x1b0/0x1b0 [ 46.282162][ T477] ? __kasan_check_read+0x11/0x20 [ 46.287459][ T477] ? exit_to_user_mode_prepare+0x9a/0xa0 [ 46.293406][ T477] do_syscall_64+0x31/0x40 [ 46.297837][ T477] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.303892][ T477] RIP: 0033:0x7f8bcd036079 [ 46.308555][ T477] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 46.329119][ T477] RSP: 002b:00007f8bcca9c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 46.337851][ T477] RAX: ffffffffffffffda RBX: 00007f8bcd262fa0 RCX: 00007f8bcd036079 [ 46.345820][ T477] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000006 [ 46.354740][ T477] RBP: 00007f8bcd0c8a4c R08: 0000000000000000 R09: 0000000000000000 [ 46.362878][ T477] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 46.371749][ T477] R13: 0000000000000000 R14: 00007f8bcd262fa0 R15: 00007ffd76fa87a8 [ 46.379718][ T477] Modules linked in: [ 46.387167][ T477] ---[ end trace 78f772bf048f6ec3 ]--- [ 46.393537][ T477] RIP: 0010:ext4_ext_insert_index+0x52d/0x530 [ 46.399878][ T477] Code: 4c 89 fa e9 ca fd ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c dd fd ff ff 4c 89 f7 e8 ad e5 d2 ff e9 d0 fd ff ff e8 c3 65 98 ff <0f> 0b 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec c0 00 00 [ 46.420164][ T477] RSP: 0018:ffffc90002786b20 EFLAGS: 00010293 [ 46.426683][ T477] RAX: ffffffff81cc4d8d RBX: ffff88812c109424 RCX: ffff888128be2780 [ 46.435570][ T477] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 46.443864][ T477] RBP: ffffc90002786b90 R08: ffff8881234709df R09: 1ffff1102468e13b [ 46.451979][ T477] R10: dffffc0000000000 R11: ffffed102468e13c R12: 0000000000000000 [ 46.460171][ T477] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 46.468419][ T477] FS: 00007f8bcca9c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 46.478006][ T477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.484855][ T477] CR2: 00007f8bcca7aff8 CR3: 0000000127ef9000 CR4: 00000000003506a0 [ 46.493164][ T477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.501602][ T477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.510292][ T477] Kernel panic - not syncing: Fatal exception [ 46.517040][ T477] Kernel Offset: disabled [ 46.521748][ T477] Rebooting in 86400 seconds..