Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. 2026/04/15 21:22:13 parsed 1 programs [ 48.123819][ T30] audit: type=1400 audit(1776288133.937:105): avc: denied { unlink } for pid=387 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" [ 48.157774][ T387] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.897805][ T30] audit: type=1401 audit(1776288134.707:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 48.970792][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.977903][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.985435][ T415] device bridge_slave_0 entered promiscuous mode [ 48.992154][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.999212][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.006595][ T415] device bridge_slave_1 entered promiscuous mode [ 49.051518][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.058711][ T415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.066037][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.073181][ T415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.089571][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.096797][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.104374][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.111761][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.122005][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.130268][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.137530][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.145933][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.154315][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.161471][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.172804][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.181923][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.195090][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.205712][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.214172][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.221663][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.229682][ T415] device veth0_vlan entered promiscuous mode [ 49.239109][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.248079][ T415] device veth1_macvtap entered promiscuous mode [ 49.257196][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.269688][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/04/15 21:22:15 executed programs: 0 [ 49.653730][ T449] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.660984][ T449] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.668722][ T449] device bridge_slave_0 entered promiscuous mode [ 49.675818][ T449] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.682862][ T449] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.690344][ T449] device bridge_slave_1 entered promiscuous mode [ 49.752664][ T449] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.759949][ T449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.767334][ T449] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.774374][ T449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.791400][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.799303][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.806872][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.815931][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.824339][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.831381][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.841893][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.850503][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.858067][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.870094][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.879418][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.892222][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.903414][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.911471][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.919093][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.927258][ T449] device veth0_vlan entered promiscuous mode [ 49.936880][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.946043][ T449] device veth1_macvtap entered promiscuous mode [ 49.955438][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.965608][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.974871][ T323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.005709][ T455] loop2: detected capacity change from 0 to 1024 [ 50.024522][ T455] ======================================================= [ 50.024522][ T455] WARNING: The mand mount option has been deprecated and [ 50.024522][ T455] and is ignored by this kernel. Remove the mand [ 50.024522][ T455] option from the mount to silence this warning. [ 50.024522][ T455] ======================================================= [ 50.124847][ T455] EXT4-fs (loop2): Ignoring removed nobh option [ 50.131390][ T455] EXT4-fs (loop2): Ignoring removed bh option [ 50.137808][ T455] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.154734][ T455] 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. Quota mode: writeback. [ 50.181336][ T30] audit: type=1400 audit(1776288135.997:107): avc: denied { mount } for pid=454 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 [ 50.203714][ T30] audit: type=1400 audit(1776288136.017:108): avc: denied { read write } for pid=454 comm="syz.2.17" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 50.210950][ T455] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 50.227277][ T30] audit: type=1400 audit(1776288136.017:109): avc: denied { open } for pid=454 comm="syz.2.17" 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 [ 50.247235][ T455] ------------[ cut here ]------------ [ 50.268197][ T455] kernel BUG at fs/ext4/extents.c:1015! [ 50.273874][ T455] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.279964][ T455] CPU: 0 PID: 455 Comm: syz.2.17 Not tainted syzkaller #0 [ 50.287199][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 50.297519][ T455] RIP: 0010:ext4_ext_insert_index+0x54a/0x550 [ 50.303611][ T455] 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 b0 fa d2 ff e9 d0 fd ff ff e8 36 cc 93 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec [ 50.323322][ T455] RSP: 0018:ffffc90001fd6b20 EFLAGS: 00010293 [ 50.329428][ T455] RAX: ffffffff81d5faaa RBX: ffff8881263c1424 RCX: ffff8881187f3b40 [ 50.337602][ T455] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 50.345770][ T455] RBP: ffffc90001fd6b90 R08: ffff88812e402157 R09: 1ffff11025c8042a [ 50.353758][ T455] R10: dffffc0000000000 R11: ffffed1025c8042b R12: 0000000000000000 [ 50.361811][ T455] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 50.369782][ T455] FS: 00007f1561f736c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.378793][ T455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.385372][ T455] CR2: 000020000002c000 CR3: 0000000122b1f000 CR4: 00000000003506b0 [ 50.393338][ T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.401305][ T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.409267][ T455] Call Trace: [ 50.412540][ T455] [ 50.415469][ T455] ext4_ext_insert_extent+0x3b09/0x47c0 [ 50.421187][ T455] ? get_implied_cluster_alloc+0x5cc/0xb60 [ 50.427160][ T455] ? ext4_ext_next_allocated_block+0x2e0/0x2e0 [ 50.433420][ T455] ext4_ext_map_blocks+0x186c/0x61e0 [ 50.438714][ T455] ? _raw_write_unlock+0x2b/0x60 [ 50.443819][ T455] ? ext4_ext_release+0x10/0x10 [ 50.448871][ T455] ? ext4_es_lookup_extent+0x54c/0x900 [ 50.454343][ T455] ext4_map_blocks+0x988/0x1b30 [ 50.459285][ T455] ? kmem_cache_alloc+0xf7/0x260 [ 50.464222][ T455] ? alloc_buffer_head+0x26/0x120 [ 50.469364][ T455] ? ext4_issue_zeroout+0x250/0x250 [ 50.474742][ T455] _ext4_get_block+0x1ea/0x540 [ 50.479604][ T455] ? ext4_get_block+0x50/0x50 [ 50.484297][ T455] ? should_failslab+0x9/0x20 [ 50.488977][ T455] ext4_get_block_unwritten+0x2a/0x40 [ 50.494360][ T455] ext4_block_write_begin+0x563/0x1160 [ 50.500157][ T455] ? _ext4_get_block+0x540/0x540 [ 50.505174][ T455] ? ext4_print_free_blocks+0x390/0x390 [ 50.510715][ T455] ? ext4_write_begin+0x44c/0x12e0 [ 50.515910][ T455] ? ext4_inode_journal_mode+0x19a/0x480 [ 50.521551][ T455] ext4_write_begin+0x65a/0x12e0 [ 50.526482][ T455] ? ext4_readahead+0x110/0x110 [ 50.531358][ T455] ? ext4_get_group_desc+0x2ad/0x320 [ 50.536740][ T455] ? __kasan_check_read+0x11/0x20 [ 50.541797][ T455] ? mark_buffer_dirty+0x1cc/0x330 [ 50.547036][ T455] ? __ext4_handle_dirty_metadata+0x2f8/0x800 [ 50.553118][ T455] ? __kasan_check_write+0x14/0x20 [ 50.558245][ T455] ? ext4_mark_iloc_dirty+0x3013/0x3f50 [ 50.563814][ T455] ext4_da_write_begin+0x321/0xbf0 [ 50.568933][ T455] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 50.574330][ T455] ? __ext4_mark_inode_dirty+0x443/0x610 [ 50.579978][ T455] ? __ext4_journal_stop+0x36/0x1a0 [ 50.585185][ T455] ? ext4_write_end+0x79c/0xa70 [ 50.590044][ T455] ? fault_in_readable+0x105/0x160 [ 50.595168][ T455] generic_perform_write+0x2b7/0x690 [ 50.600494][ T455] ? grab_cache_page_write_begin+0xb0/0xb0 [ 50.606399][ T455] ? ____kasan_slab_free+0x125/0x160 [ 50.611705][ T455] ? generic_write_checks+0x3b3/0x480 [ 50.617246][ T455] ext4_buffered_write_iter+0x4ed/0x670 [ 50.622793][ T455] ext4_file_write_iter+0x440/0x1540 [ 50.628176][ T455] ? avc_policy_seqno+0x1b/0x70 [ 50.633056][ T455] ? ext4_file_read_iter+0x510/0x510 [ 50.638463][ T455] ? memset+0x35/0x40 [ 50.642444][ T455] ? iov_iter_init+0xbc/0x180 [ 50.647113][ T455] vfs_write+0x835/0xfd0 [ 50.651459][ T455] ? file_end_write+0x1b0/0x1b0 [ 50.656325][ T455] ? __fget_files+0x2c4/0x320 [ 50.661005][ T455] ? __fdget+0x1a1/0x230 [ 50.665260][ T455] ? __x64_sys_pwrite64+0xf2/0x220 [ 50.670460][ T455] __x64_sys_pwrite64+0x197/0x220 [ 50.675569][ T455] ? ksys_pwrite64+0x1b0/0x1b0 [ 50.680423][ T455] ? __kasan_check_write+0x14/0x20 [ 50.685534][ T455] ? switch_fpu_return+0x15d/0x2c0 [ 50.690743][ T455] x64_sys_call+0xa6/0x9a0 [ 50.695180][ T455] do_syscall_64+0x4c/0xa0 [ 50.699605][ T455] ? clear_bhb_loop+0x50/0xa0 [ 50.704290][ T455] ? clear_bhb_loop+0x50/0xa0 [ 50.708966][ T455] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.715075][ T455] RIP: 0033:0x7f156210e679 [ 50.719494][ T455] 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 [ 50.739297][ T455] RSP: 002b:00007f1561f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 50.747995][ T455] RAX: ffffffffffffffda RBX: 00007f1562379fa0 RCX: 00007f156210e679 [ 50.756209][ T455] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000006 [ 50.764267][ T455] RBP: 00007f15621a1ee0 R08: 0000000000000000 R09: 0000000000000000 [ 50.772321][ T455] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 50.780647][ T455] R13: 00007f156237a038 R14: 00007f1562379fa0 R15: 00007ffd783ad168 [ 50.788633][ T455] [ 50.791642][ T455] Modules linked in: [ 50.797222][ T455] ---[ end trace 29648129f07e5d2f ]--- [ 50.802766][ T455] RIP: 0010:ext4_ext_insert_index+0x54a/0x550 [ 50.809056][ T455] 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 b0 fa d2 ff e9 d0 fd ff ff e8 36 cc 93 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec [ 50.829265][ T455] RSP: 0018:ffffc90001fd6b20 EFLAGS: 00010293 [ 50.835551][ T455] RAX: ffffffff81d5faaa RBX: ffff8881263c1424 RCX: ffff8881187f3b40 [ 50.843808][ T455] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 50.851799][ T455] RBP: ffffc90001fd6b90 R08: ffff88812e402157 R09: 1ffff11025c8042a [ 50.860666][ T455] R10: dffffc0000000000 R11: ffffed1025c8042b R12: 0000000000000000 [ 50.868728][ T455] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 50.877035][ T455] FS: 00007f1561f736c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 50.886131][ T455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.892739][ T455] CR2: 00007f156215bdc0 CR3: 0000000122b1f000 CR4: 00000000003506b0 [ 50.900855][ T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.908919][ T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.917139][ T455] Kernel panic - not syncing: Fatal exception [ 50.918310][ T30] audit: type=1400 audit(1776288136.727:110): avc: denied { read } for pid=82 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 [ 50.923623][ T455] Kernel Offset: disabled [ 50.949965][ T455] Rebooting in 86400 seconds..