Warning: Permanently added '10.128.1.225' (ED25519) to the list of known hosts. 2026/01/30 13:26:14 parsed 1 programs [ 45.400844][ T30] audit: type=1400 audit(1769779575.392:105): avc: denied { unlink } for pid=398 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" [ 45.472421][ T398] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.013289][ T30] audit: type=1401 audit(1769779576.002:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 46.342497][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.349526][ T448] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.356889][ T448] device bridge_slave_0 entered promiscuous mode [ 46.363603][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.371002][ T448] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.378252][ T448] device bridge_slave_1 entered promiscuous mode [ 46.422713][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.429737][ T448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.437112][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.444154][ T448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.459368][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.466870][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.474133][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.484813][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.493335][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.500393][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.507766][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.516113][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.523173][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.534264][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.543179][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.555085][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.565341][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.573488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.581015][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.588917][ T448] device veth0_vlan entered promiscuous mode [ 46.598036][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.606852][ T448] device veth1_macvtap entered promiscuous mode [ 46.615350][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.625077][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/01/30 13:26:16 executed programs: 0 [ 46.843704][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.851096][ T466] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.858522][ T466] device bridge_slave_0 entered promiscuous mode [ 46.869456][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.876618][ T466] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.884090][ T466] device bridge_slave_1 entered promiscuous mode [ 46.926373][ T466] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.933411][ T466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.940659][ T466] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.947663][ T466] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.963642][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.971166][ T301] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.978264][ T301] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.991049][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.999623][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.006658][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.015617][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.023885][ T301] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.030897][ T301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.048489][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.058018][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.073148][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.083921][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.091864][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.099172][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.107440][ T466] device veth0_vlan entered promiscuous mode [ 47.123784][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.136596][ T466] device veth1_macvtap entered promiscuous mode [ 47.145710][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.155133][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.183160][ T477] loop2: detected capacity change from 0 to 1024 [ 47.210943][ T477] ======================================================= [ 47.210943][ T477] WARNING: The mand mount option has been deprecated and [ 47.210943][ T477] and is ignored by this kernel. Remove the mand [ 47.210943][ T477] option from the mount to silence this warning. [ 47.210943][ T477] ======================================================= [ 47.276865][ T477] EXT4-fs (loop2): Ignoring removed nobh option [ 47.283219][ T477] EXT4-fs (loop2): Ignoring removed bh option [ 47.289300][ T477] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.312487][ 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. Quota mode: writeback. [ 47.339221][ T30] audit: type=1400 audit(1769779577.332:107): avc: denied { mount } for pid=476 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 [ 47.352757][ T477] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 47.375247][ T30] audit: type=1400 audit(1769779577.332:108): avc: denied { read write } for pid=476 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 [ 47.394359][ T477] ------------[ cut here ]------------ [ 47.401299][ T30] audit: type=1400 audit(1769779577.332:109): avc: denied { open } for pid=476 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 [ 47.404562][ T477] kernel BUG at fs/ext4/extents.c:1015! [ 47.431201][ T477] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.437296][ T477] CPU: 1 PID: 477 Comm: syz.2.17 Not tainted syzkaller #0 [ 47.444379][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 47.454412][ T477] RIP: 0010:ext4_ext_insert_index+0x54a/0x550 [ 47.460467][ 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 e0 fe d2 ff e9 d0 fd ff ff e8 26 d4 93 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec [ 47.480181][ T477] RSP: 0018:ffffc90000c46b20 EFLAGS: 00010293 [ 47.486367][ T477] RAX: ffffffff81d5f4ca RBX: ffff88812e982424 RCX: ffff88812f00bb40 [ 47.494324][ T477] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 47.502280][ T477] RBP: ffffc90000c46b90 R08: ffff888120bb0547 R09: 1ffff110241760a8 [ 47.510327][ T477] R10: dffffc0000000000 R11: ffffed10241760a9 R12: 0000000000000000 [ 47.518292][ T477] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 47.526244][ T477] FS: 00007fbcc87c56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.535152][ T477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.541715][ T477] CR2: 00007f8cd391f000 CR3: 000000012be9f000 CR4: 00000000003506a0 [ 47.549668][ T477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.557617][ T477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.565570][ T477] Call Trace: [ 47.568833][ T477] [ 47.571743][ T477] ext4_ext_insert_extent+0x3b09/0x47c0 [ 47.577297][ T477] ? get_implied_cluster_alloc+0x5cc/0xb60 [ 47.583080][ T477] ? ext4_ext_next_allocated_block+0x2e0/0x2e0 [ 47.589320][ T477] ext4_ext_map_blocks+0x186c/0x61e0 [ 47.594851][ T477] ? _raw_write_unlock+0x2b/0x60 [ 47.599765][ T477] ? ext4_ext_release+0x10/0x10 [ 47.604591][ T477] ? ext4_es_lookup_extent+0x54c/0x900 [ 47.610026][ T477] ext4_map_blocks+0x988/0x1b30 [ 47.614854][ T477] ? kmem_cache_alloc+0xf7/0x260 [ 47.619765][ T477] ? alloc_buffer_head+0x26/0x120 [ 47.624767][ T477] ? ext4_issue_zeroout+0x250/0x250 [ 47.629970][ T477] _ext4_get_block+0x1ea/0x540 [ 47.634712][ T477] ? ext4_get_block+0x50/0x50 [ 47.639364][ T477] ? should_failslab+0x9/0x20 [ 47.644019][ T477] ext4_get_block_unwritten+0x2a/0x40 [ 47.649374][ T477] ext4_block_write_begin+0x563/0x1160 [ 47.654812][ T477] ? _ext4_get_block+0x540/0x540 [ 47.659727][ T477] ? ext4_print_free_blocks+0x390/0x390 [ 47.665247][ T477] ? ext4_write_begin+0x44c/0x12e0 [ 47.670346][ T477] ? ext4_inode_journal_mode+0x19a/0x480 [ 47.676624][ T477] ext4_write_begin+0x65a/0x12e0 [ 47.681549][ T477] ? ext4_readahead+0x110/0x110 [ 47.686386][ T477] ? ext4_get_group_desc+0x2ad/0x320 [ 47.691648][ T477] ? __kasan_check_read+0x11/0x20 [ 47.696650][ T477] ? mark_buffer_dirty+0x1cc/0x330 [ 47.701737][ T477] ? __ext4_handle_dirty_metadata+0x2f8/0x800 [ 47.707779][ T477] ? __kasan_check_write+0x14/0x20 [ 47.712865][ T477] ? ext4_mark_iloc_dirty+0x3013/0x3f50 [ 47.718387][ T477] ext4_da_write_begin+0x321/0xbf0 [ 47.723477][ T477] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 47.728739][ T477] ? __ext4_mark_inode_dirty+0x443/0x610 [ 47.734432][ T477] ? __ext4_journal_stop+0x36/0x1a0 [ 47.739603][ T477] ? ext4_write_end+0x79c/0xa70 [ 47.744428][ T477] ? fault_in_readable+0x105/0x160 [ 47.749517][ T477] generic_perform_write+0x2b7/0x690 [ 47.754777][ T477] ? grab_cache_page_write_begin+0xb0/0xb0 [ 47.760561][ T477] ? ____kasan_slab_free+0x125/0x160 [ 47.765816][ T477] ? generic_write_checks+0x3b3/0x480 [ 47.771160][ T477] ext4_buffered_write_iter+0x4ed/0x670 [ 47.776683][ T477] ext4_file_write_iter+0x440/0x1540 [ 47.781948][ T477] ? avc_policy_seqno+0x1b/0x70 [ 47.786774][ T477] ? ext4_file_read_iter+0x510/0x510 [ 47.792119][ T477] ? memset+0x35/0x40 [ 47.796076][ T477] ? iov_iter_init+0xbc/0x180 [ 47.800782][ T477] vfs_write+0x835/0xfd0 [ 47.805098][ T477] ? file_end_write+0x1b0/0x1b0 [ 47.809936][ T477] ? __fget_files+0x2c4/0x320 [ 47.814589][ T477] ? __fdget+0x1a1/0x230 [ 47.819068][ T477] ? __x64_sys_pwrite64+0xf2/0x220 [ 47.824151][ T477] __x64_sys_pwrite64+0x197/0x220 [ 47.829288][ T477] ? ksys_pwrite64+0x1b0/0x1b0 [ 47.834027][ T477] ? __kasan_check_write+0x14/0x20 [ 47.839109][ T477] ? switch_fpu_return+0x15d/0x2c0 [ 47.844235][ T477] x64_sys_call+0xa6/0x9a0 [ 47.848640][ T477] do_syscall_64+0x4c/0xa0 [ 47.853048][ T477] ? clear_bhb_loop+0x50/0xa0 [ 47.857696][ T477] ? clear_bhb_loop+0x50/0xa0 [ 47.862350][ T477] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.868220][ T477] RIP: 0033:0x7fbcc8960679 [ 47.872610][ 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 [ 47.892196][ T477] RSP: 002b:00007fbcc87c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 47.900590][ T477] RAX: ffffffffffffffda RBX: 00007fbcc8bcbfa0 RCX: 00007fbcc8960679 [ 47.908545][ T477] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000006 [ 47.916491][ T477] RBP: 00007fbcc89f3ee0 R08: 0000000000000000 R09: 0000000000000000 [ 47.924437][ T477] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 47.932382][ T477] R13: 00007fbcc8bcc038 R14: 00007fbcc8bcbfa0 R15: 00007ffced749838 [ 47.940338][ T477] [ 47.943331][ T477] Modules linked in: [ 47.952082][ T477] ---[ end trace 0635daef21656237 ]--- [ 47.957568][ T477] RIP: 0010:ext4_ext_insert_index+0x54a/0x550 [ 47.963750][ 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 e0 fe d2 ff e9 d0 fd ff ff e8 26 d4 93 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec [ 47.983548][ T477] RSP: 0018:ffffc90000c46b20 EFLAGS: 00010293 [ 47.989741][ T477] RAX: ffffffff81d5f4ca RBX: ffff88812e982424 RCX: ffff88812f00bb40 [ 47.997802][ T477] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 48.005835][ T477] RBP: ffffc90000c46b90 R08: ffff888120bb0547 R09: 1ffff110241760a8 [ 48.013916][ T477] R10: dffffc0000000000 R11: ffffed10241760a9 R12: 0000000000000000 [ 48.022184][ T477] R13: 00000000000000cb R14: 00000000fffffffe R15: 0000000000000054 [ 48.030256][ T477] FS: 00007fbcc87c56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.039302][ T477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.046065][ T477] CR2: 00007f8cd391f000 CR3: 000000012be9f000 CR4: 00000000003506a0 [ 48.054237][ T477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.062904][ T477] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.070906][ T477] Kernel panic - not syncing: Fatal exception [ 48.077225][ T477] Kernel Offset: disabled [ 48.081534][ T477] Rebooting in 86400 seconds..