Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts. 2026/01/05 04:19:38 parsed 1 programs [ 43.839669][ T30] audit: type=1400 audit(1767586779.042:105): avc: denied { unlink } for pid=396 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" [ 43.881285][ T396] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.385542][ T30] audit: type=1401 audit(1767586779.582:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 44.786474][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.793960][ T443] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.801623][ T443] device bridge_slave_0 entered promiscuous mode [ 44.810227][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.817349][ T443] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.824860][ T443] device bridge_slave_1 entered promiscuous mode [ 44.869234][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.876477][ T443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.883940][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.891497][ T443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.914370][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.922710][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.930600][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.942446][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.950893][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.957930][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.965559][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.974388][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.981704][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.992634][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.002353][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.014824][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.025878][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.034583][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.042543][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.050975][ T443] device veth0_vlan entered promiscuous mode [ 45.061415][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.070329][ T443] device veth1_macvtap entered promiscuous mode [ 45.079229][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.090384][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.122077][ T30] audit: type=1400 audit(1767586780.322:107): avc: denied { create } for pid=456 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 2026/01/05 04:19:40 executed programs: 0 [ 45.302126][ T461] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.309465][ T461] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.317137][ T461] device bridge_slave_0 entered promiscuous mode [ 45.328439][ T461] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.335728][ T461] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.343272][ T461] device bridge_slave_1 entered promiscuous mode [ 45.386212][ T461] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.393425][ T461] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.400902][ T461] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.408302][ T461] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.424555][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.432273][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.440515][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.449844][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.458637][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.465678][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.474480][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.482772][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.489904][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.506371][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.516088][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.529333][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.545241][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.553723][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.561405][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.570236][ T461] device veth0_vlan entered promiscuous mode [ 45.579335][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.587702][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.602508][ T461] device veth1_macvtap entered promiscuous mode [ 45.611078][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.618723][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.627572][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.638255][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.646799][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.673757][ T30] audit: type=1400 audit(1767586780.872:108): avc: denied { mounton } for pid=471 comm="syz.2.16" path="/0/bus" dev="tmpfs" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1 [ 45.698442][ T472] loop2: detected capacity change from 0 to 512 [ 45.705651][ T30] audit: type=1400 audit(1767586780.912:109): avc: denied { map } for pid=471 comm="syz.2.16" path="/0/bus" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 45.706105][ T473] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 45.742227][ T473] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 45.753841][ T473] Buffer I/O error on dev loop2, logical block 0, async page read [ 45.766815][ T30] audit: type=1400 audit(1767586780.962:110): avc: denied { prog_load } for pid=471 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 45.793942][ T30] audit: type=1400 audit(1767586780.962:111): avc: denied { bpf } for pid=471 comm="syz.2.16" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 45.934546][ T30] audit: type=1400 audit(1767586781.132:112): avc: denied { perfmon } for pid=471 comm="syz.2.16" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 45.956046][ T30] audit: type=1400 audit(1767586781.152:113): avc: denied { prog_run } for pid=471 comm="syz.2.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 46.023185][ T30] audit: type=1400 audit(1767586781.222:114): avc: denied { unmount } for pid=461 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 46.036333][ T475] loop2: detected capacity change from 0 to 512 [ 46.081463][ T478] loop2: detected capacity change from 0 to 512 [ 46.089807][ T478] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 46.103691][ T478] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 46.113712][ T478] ================================================================================ [ 46.123737][ T478] UBSAN: shift-out-of-bounds in fs/ext4/super.c:4422:27 [ 46.131106][ T478] shift exponent 807429217 is too large for 32-bit type 'int' [ 46.138687][ T478] CPU: 1 PID: 478 Comm: syz.2.18 Not tainted syzkaller #0 [ 46.145879][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 46.156279][ T478] Call Trace: [ 46.159631][ T478] [ 46.162543][ T478] __dump_stack+0x21/0x30 [ 46.166951][ T478] dump_stack_lvl+0xee/0x150 [ 46.171743][ T478] ? show_regs_print_info+0x20/0x20 [ 46.177098][ T478] dump_stack+0x15/0x20 [ 46.181505][ T478] ubsan_epilogue+0xe/0x40 [ 46.185934][ T478] __ubsan_handle_shift_out_of_bounds+0x37c/0x400 [ 46.192519][ T478] ext4_fill_super+0x6ea7/0x9090 [ 46.197709][ T478] ? ext4_mount+0x40/0x40 [ 46.202125][ T478] ? set_blocksize+0x1fc/0x380 [ 46.207113][ T478] ? sb_set_blocksize+0xaa/0xf0 [ 46.212053][ T478] ? ext4_mount+0x40/0x40 [ 46.216542][ T478] mount_bdev+0x2ae/0x3e0 [ 46.220851][ T478] ? ext4_mount+0x40/0x40 [ 46.225333][ T478] ext4_mount+0x34/0x40 [ 46.229466][ T478] legacy_get_tree+0xed/0x190 [ 46.234472][ T478] ? ext4_errno_to_code+0x160/0x160 [ 46.239658][ T478] vfs_get_tree+0x89/0x260 [ 46.244535][ T478] do_new_mount+0x25a/0xa20 [ 46.249218][ T478] path_mount+0x675/0x1020 [ 46.253619][ T478] ? user_path_at_empty+0x161/0x1c0 [ 46.259002][ T478] __se_sys_mount+0x318/0x380 [ 46.263950][ T478] ? __x64_sys_mount+0xd0/0xd0 [ 46.268784][ T478] __x64_sys_mount+0xbf/0xd0 [ 46.273545][ T478] x64_sys_call+0x6bf/0x9a0 [ 46.278045][ T478] do_syscall_64+0x4c/0xa0 [ 46.282812][ T478] ? clear_bhb_loop+0x50/0xa0 [ 46.287594][ T478] ? clear_bhb_loop+0x50/0xa0 [ 46.292347][ T478] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 46.298461][ T478] RIP: 0033:0x7f093884190a [ 46.303090][ T478] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 46.323635][ T478] RSP: 002b:00007f09382b1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.332482][ T478] RAX: ffffffffffffffda RBX: 00007f09382b1ef0 RCX: 00007f093884190a [ 46.340526][ T478] RDX: 0000400000000040 RSI: 0000400000000000 RDI: 00007f09382b1eb0 [ 46.348727][ T478] RBP: 0000400000000040 R08: 00007f09382b1ef0 R09: 000000000200010e [ 46.357005][ T478] R10: 000000000200010e R11: 0000000000000246 R12: 0000400000000000 [ 46.365205][ T478] R13: 00007f09382b1eb0 R14: 0000000000000452 R15: 000000000000002c [ 46.373250][ T478] [ 46.377451][ T478] ================================================================================ [ 46.387061][ T478] EXT4-fs (loop2): fragment/cluster size (2048) != block size (1024) [ 46.441281][ T484] loop2: detected capacity change from 0 to 512 [ 46.510107][ T488] loop2: detected capacity change from 0 to 512 [ 46.567193][ T491] loop2: detected capacity change from 0 to 512 [ 46.600599][ T494] loop2: detected capacity change from 0 to 512 [ 46.632090][ T497] loop2: detected capacity change from 0 to 512 [ 46.680625][ T8] device bridge_slave_1 left promiscuous mode [ 46.686886][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.694824][ T500] loop2: detected capacity change from 0 to 512 [ 46.701421][ T8] device bridge_slave_0 left promiscuous mode [ 46.707686][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.715698][ T8] device veth1_macvtap left promiscuous mode [ 46.721716][ T8] device veth0_vlan left promiscuous mode [ 46.756486][ T503] loop2: detected capacity change from 0 to 512 [ 46.756797][ T502] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0 [ 46.813899][ T506] loop2: detected capacity change from 0 to 512 [ 46.814211][ T505] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 46.861100][ T509] loop2: detected capacity change from 0 to 512 [ 46.901267][ T512] loop2: detected capacity change from 0 to 512 [ 46.901594][ T511] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 46.969060][ T518] loop2: detected capacity change from 0 to 512 [ 46.996587][ T521] loop2: detected capacity change from 0 to 512 [ 47.228490][ T560] loop2: detected capacity change from 0 to 512 [ 47.298042][ T566] loop2: detected capacity change from 0 to 512 [ 47.375592][ T570] loop2: detected capacity change from 0 to 512 [ 47.412344][ T573] loop2: detected capacity change from 0 to 512 [ 47.475879][ T576] loop2: detected capacity change from 0 to 512 [ 47.520355][ T579] loop2: detected capacity change from 0 to 512 [ 47.520697][ T578] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 47.635751][ T582] loop2: detected capacity change from 0 to 512 [ 47.695871][ T585] loop2: detected capacity change from 0 to 512 [ 47.730195][ T588] loop2: detected capacity change from 0 to 512 [ 47.787402][ T591] loop2: detected capacity change from 0 to 512 [ 47.834273][ T594] loop2: detected capacity change from 0 to 512 [ 47.834626][ T593] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 47.910531][ T597] loop2: detected capacity change from 0 to 512 [ 47.949983][ T600] loop2: detected capacity change from 0 to 512 [ 47.970138][ T603] loop2: detected capacity change from 0 to 512 [ 47.970470][ T602] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 48.036167][ T606] loop2: detected capacity change from 0 to 512 [ 48.042937][ T607] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 48.130031][ T609] loop2: detected capacity change from 0 to 512 [ 48.173291][ T613] loop2: detected capacity change from 0 to 512 [ 48.244936][ T616] loop2: detected capacity change from 0 to 512 [ 48.289344][ T619] loop2: detected capacity change from 0 to 512 [ 48.347682][ T622] loop2: detected capacity change from 0 to 512 [ 48.395431][ T625] loop2: detected capacity change from 0 to 512 [ 48.434699][ T628] loop2: detected capacity change from 0 to 512 [ 48.475439][ T631] loop2: detected capacity change from 0 to 512 [ 48.530577][ T634] loop2: detected capacity change from 0 to 512 [ 48.580390][ T637] loop2: detected capacity change from 0 to 512 [ 48.580710][ T636] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 48.635904][ T640] loop2: detected capacity change from 0 to 512 [ 48.692178][ T643] loop2: detected capacity change from 0 to 512 [ 48.750316][ T646] loop2: detected capacity change from 0 to 512 [ 48.750703][ T645] Buffer I/O error on dev loop2, logical block 0, async page read [ 48.804208][ T649] loop2: detected capacity change from 0 to 512 [ 48.870096][ T652] loop2: detected capacity change from 0 to 512 [ 48.930453][ T655] loop2: detected capacity change from 0 to 512 [ 48.980112][ T658] loop2: detected capacity change from 0 to 512 [ 49.040900][ T661] loop2: detected capacity change from 0 to 512 [ 49.090084][ T664] loop2: detected capacity change from 0 to 512 [ 49.140568][ T667] loop2: detected capacity change from 0 to 512 [ 49.205344][ T670] loop2: detected capacity change from 0 to 512 [ 49.249784][ T673] loop2: detected capacity change from 0 to 512 [ 49.321122][ T676] loop2: detected capacity change from 0 to 512 [ 49.354484][ T680] loop2: detected capacity change from 0 to 512 [ 49.354853][ T679] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.400165][ T683] loop2: detected capacity change from 0 to 512 [ 49.400544][ T682] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.435160][ T686] loop2: detected capacity change from 0 to 512 [ 49.494364][ T689] loop2: detected capacity change from 0 to 512 [ 49.580316][ T692] loop2: detected capacity change from 0 to 512 [ 49.580677][ T693] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.650833][ T695] loop2: detected capacity change from 0 to 512 [ 49.651189][ T694] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.730483][ T698] loop2: detected capacity change from 0 to 512 [ 49.795754][ T702] loop2: detected capacity change from 0 to 512 [ 49.846202][ T705] loop2: detected capacity change from 0 to 512 [ 49.875928][ T708] loop2: detected capacity change from 0 to 512 [ 49.876298][ T707] Buffer I/O error on dev loop2, logical block 0, async page read [ 49.929966][ T711] loop2: detected capacity change from 0 to 512 [ 49.995400][ T714] loop2: detected capacity change from 0 to 512 [ 50.035414][ T717] loop2: detected capacity change from 0 to 512 [ 50.095268][ T723] loop2: detected capacity change from 0 to 512 [ 50.149779][ T726] loop2: detected capacity change from 0 to 512 [ 50.194538][ T729] loop2: detected capacity change from 0 to 512 2026/01/05 04:19:45 executed programs: 87 [ 50.295452][ T732] loop2: detected capacity change from 0 to 512 [ 50.360571][ T735] loop2: detected capacity change from 0 to 512 [ 50.360959][ T734] Buffer I/O error on dev loop2, logical block 0, async page read [ 50.389775][ T738] loop2: detected capacity change from 0 to 512 [ 50.447577][ T741] loop2: detected capacity change from 0 to 512 [ 50.593849][ T751] loop2: detected capacity change from 0 to 512 [ 50.655195][ T754] loop2: detected capacity change from 0 to 512 [ 50.715348][ T757] loop2: detected capacity change from 0 to 512 [ 50.780662][ T760] loop2: detected capacity change from 0 to 512 [ 50.780979][ T759] print_req_error: 14 callbacks suppressed [ 50.780990][ T759] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 50.840140][ T763] loop2: detected capacity change from 0 to 512 [ 50.900700][ T766] loop2: detected capacity change from 0 to 512 [ 50.900999][ T765] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 50.975629][ T769] loop2: detected capacity change from 0 to 512 [ 50.982702][ T769] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 50.996477][ T769] EXT4-fs error (device loop2): ext4_read_inode_bitmap:140: comm syz.2.113: Invalid inode bitmap blk 4 in block_group 0 [ 51.009988][ T769] EXT4-fs (loop2): Remounting filesystem read-only [ 51.016759][ T769] EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,nodelalloc,debug_want_extra_isize=0x0000000000000032,inode_readahead_blks=0x0000000000010000,block_validity,quota,. Quota mode: writeback. [ 51.039734][ T30] kauditd_printk_skb: 2 callbacks suppressed [ 51.039746][ T30] audit: type=1400 audit(1767586786.242:117): avc: denied { mount } for pid=768 comm="syz.2.113" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 51.096658][ T774] loop2: detected capacity change from 0 to 512 [ 51.148246][ T777] loop2: detected capacity change from 0 to 512 [ 51.172948][ T780] loop2: detected capacity change from 0 to 512 [ 51.212035][ T783] loop2: detected capacity change from 0 to 512 [ 51.212350][ T782] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 51.276629][ T786] loop2: detected capacity change from 0 to 512 [ 51.283484][ T787] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 51.355943][ T789] loop2: detected capacity change from 0 to 512 [ 51.410568][ T792] loop2: detected capacity change from 0 to 512 [ 51.410901][ T791] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 51.480228][ T795] loop2: detected capacity change from 0 to 512 [ 51.535819][ T798] loop2: detected capacity change from 0 to 512 [ 51.589720][ T801] loop2: detected capacity change from 0 to 512 [ 51.635275][ T804] loop2: detected capacity change from 0 to 512 [ 51.679590][ T807] loop2: detected capacity change from 0 to 512 [ 51.686916][ T807] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 51.699330][ T807] EXT4-fs error (device loop2): ext4_free_branches:1030: inode #16: comm syz.2.125: invalid indirect mapped block 512 (level 0) [ 51.714354][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.722055][ T807] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz.2.125: Invalid inode table block 5 in block_group 0 [ 51.735486][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.742433][ T807] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.752536][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.759702][ T807] EXT4-fs error (device loop2) in ext4_orphan_del:301: Corrupt filesystem [ 51.768670][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.775650][ T807] EXT4-fs error (device loop2): __ext4_get_inode_loc:4358: comm syz.2.125: Invalid inode table block 5 in block_group 0 [ 51.788750][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.795624][ T807] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5881: Corrupt filesystem [ 51.805694][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.812640][ T807] EXT4-fs error (device loop2): ext4_truncate:4310: inode #16: comm syz.2.125: mark_inode_dirty error [ 51.824590][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.831637][ T807] EXT4-fs error (device loop2) in ext4_process_orphan:343: Corrupt filesystem [ 51.841083][ T807] EXT4-fs (loop2): Remounting filesystem read-only [ 51.847909][ T807] EXT4-fs (loop2): 1 orphan inode deleted [ 51.853974][ T807] EXT4-fs (loop2): 1 truncate cleaned up [ 51.859854][ T807] EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,nodelalloc,debug_want_extra_isize=0x0000000000000032,inode_readahead_blks=0x0000000000010000,block_validity,quota,. Quota mode: writeback. [ 51.930172][ T811] loop2: detected capacity change from 0 to 512 [ 51.965900][ T814] loop2: detected capacity change from 0 to 512 [ 52.022260][ T817] loop2: detected capacity change from 0 to 512 [ 52.022586][ T816] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 52.094691][ T820] loop2: detected capacity change from 0 to 512 [ 52.144957][ T823] loop2: detected capacity change from 0 to 512 [ 52.154933][ T823] EXT4-fs (loop2): Invalid log block size: 1701994347 [ 52.180261][ T826] loop2: detected capacity change from 0 to 512 [ 52.234463][ T829] loop2: detected capacity change from 0 to 512 [ 52.280155][ T832] loop2: detected capacity change from 0 to 512 [ 52.280497][ T831] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 52.366883][ T838] loop2: detected capacity change from 0 to 512 [ 52.375029][ T838] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 52.385321][ T838] EXT4-fs (loop2): fragment/cluster size (2048) != block size (1024) [ 52.415828][ T841] loop2: detected capacity change from 0 to 512 [ 52.475611][ T844] loop2: detected capacity change from 0 to 512 [ 52.527175][ T847] loop2: detected capacity change from 0 to 512 [ 52.648749][ T851] loop2: detected capacity change from 0 to 512 [ 52.701515][ T854] loop2: detected capacity change from 0 to 512 [ 52.701805][ T853] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0 [ 52.770653][ T857] loop2: detected capacity change from 0 to 512 [ 52.770970][ T856] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0 [ 52.844664][ T860] loop2: detected capacity change from 0 to 512 [ 52.897406][ T863] loop2: detected capacity change from 0 to 512 [ 52.963998][ T866] loop2: detected capacity change from 0 to 512 [ 53.020640][ T869] loop2: detected capacity change from 0 to 512 [ 53.020974][ T868] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0 [ 53.086142][ T872] loop2: detected capacity change from 0 to 512 [ 53.150243][ T875] loop2: detected capacity change from 0 to 512 [ 53.214839][ T878] loop2: detected capacity change from 0 to 512 [ 53.266083][ T881] loop2: detected capacity change from 0 to 512 [ 53.320082][ T884] loop2: detected capacity change from 0 to 512 [ 53.320441][ T883] Buffer I/O error on dev loop2, logical block 0, async page read [ 53.378513][ T887] loop2: detected capacity change from 0 to 512 [ 53.475525][ T890] loop2: detected capacity change from 0 to 512 [ 53.526105][ T893] loop2: detected capacity change from 0 to 512 [ 53.662815][ T897] loop2: detected capacity change from 0 to 512 [ 53.705674][ T900] loop2: detected capacity change from 0 to 512 [ 53.750472][ T903] loop2: detected capacity change from 0 to 512 [ 53.750924][ T902] Buffer I/O error on dev loop2, logical block 0, async page read [ 53.806170][ T906] loop2: detected capacity change from 0 to 512 [ 53.806529][ T905] Buffer I/O error on dev loop2, logical block 0, async page read [ 53.880242][ T909] loop2: detected capacity change from 0 to 512 [ 53.944295][ T913] loop2: detected capacity change from 0 to 512 [ 53.944732][ T912] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.010930][ T916] loop2: detected capacity change from 0 to 512 [ 54.060609][ T919] loop2: detected capacity change from 0 to 512 [ 54.060964][ T918] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.110157][ T922] loop2: detected capacity change from 0 to 512 [ 54.174980][ T925] loop2: detected capacity change from 0 to 512 [ 54.282483][ T929] loop2: detected capacity change from 0 to 512 [ 54.337096][ T935] loop2: detected capacity change from 0 to 512 [ 54.407581][ T941] loop2: detected capacity change from 0 to 512 [ 54.410371][ T942] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.488568][ T944] loop2: detected capacity change from 0 to 512 [ 54.556408][ T947] loop2: detected capacity change from 0 to 512 [ 54.599504][ T951] loop2: detected capacity change from 0 to 512 [ 54.599889][ T950] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.682001][ T954] loop2: detected capacity change from 0 to 512 [ 54.769514][ T957] loop2: detected capacity change from 0 to 512 [ 54.836251][ T961] loop2: detected capacity change from 0 to 512 [ 54.870213][ T964] loop2: detected capacity change from 0 to 512 [ 54.870786][ T963] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.920608][ T970] loop2: detected capacity change from 0 to 512 [ 54.921014][ T969] Buffer I/O error on dev loop2, logical block 0, async page read [ 54.985021][ T973] loop2: detected capacity change from 0 to 512 [ 55.041166][ T976] loop2: detected capacity change from 0 to 512 [ 55.041538][ T975] Buffer I/O error on dev loop2, logical block 0, async page read [ 55.116225][ T979] loop2: detected capacity change from 0 to 512 [ 55.225392][ T982] loop2: detected capacity change from 0 to 512 [ 55.275860][ T985] loop2: detected capacity change from 0 to 512 2026/01/05 04:19:50 executed programs: 169 [ 55.317386][ T988] loop2: detected capacity change from 0 to 512 [ 55.365278][ T991] loop2: detected capacity change from 0 to 512 [ 55.372381][ T991] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 55.386029][ T991] EXT4-fs error (device loop2): ext4_read_inode_bitmap:140: comm syz.2.184: Invalid inode bitmap blk 4 in block_group 0 [ 55.398869][ T991] EXT4-fs (loop2): Remounting filesystem read-only [ 55.406441][ T991] EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,nodelalloc,debug_want_extra_isize=0x0000000000000032,inode_readahead_blks=0x0000000000010000,block_validity,quota,. Quota mode: writeback. [ 55.487552][ T996] loop2: detected capacity change from 0 to 512 [ 55.536430][ T999] loop2: detected capacity change from 0 to 512 [ 55.585841][ T1002] loop2: detected capacity change from 0 to 512 [ 55.631307][ T1005] loop2: detected capacity change from 0 to 512 [ 55.670250][ T1008] loop2: detected capacity change from 0 to 512 [ 55.719895][ T1011] loop2: detected capacity change from 0 to 512 [ 55.775693][ T1014] loop2: detected capacity change from 0 to 512 [ 55.835441][ T1017] loop2: detected capacity change from 0 to 512 [ 55.880507][ T1020] loop2: detected capacity change from 0 to 512 [ 55.880883][ T1019] print_req_error: 96 callbacks suppressed [ 55.880895][ T1019] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 55.940659][ T1023] loop2: detected capacity change from 0 to 512 [ 55.981071][ T1026] loop2: detected capacity change from 0 to 512 [ 55.981372][ T1025] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0 [ 56.054790][ T1029] loop2: detected capacity change from 0 to 512