Warning: Permanently added '10.128.1.217' (ED25519) to the list of known hosts. 2026/03/21 00:26:49 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 45.995880][ T30] audit: type=1400 audit(1774052809.653:105): avc: denied { unlink } for pid=386 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" [ 46.034678][ T386] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.435480][ T30] audit: type=1401 audit(1774052810.093:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 46.940593][ T432] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.949203][ T432] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.957098][ T432] device bridge_slave_0 entered promiscuous mode [ 46.964118][ T432] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.972975][ T432] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.981415][ T432] device bridge_slave_1 entered promiscuous mode [ 47.026383][ T432] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.034143][ T432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.041834][ T432] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.049082][ T432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.066197][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.074234][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.084852][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.093453][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.102612][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.111713][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.118821][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.131875][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.141631][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.150350][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.163925][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.173974][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.187213][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.199931][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.208736][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.216780][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.225414][ T432] device veth0_vlan entered promiscuous mode [ 47.235836][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.245691][ T432] device veth1_macvtap entered promiscuous mode [ 47.255607][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.266101][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/21 00:26:51 executed programs: 0 [ 47.639057][ T450] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.646701][ T450] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.654349][ T450] device bridge_slave_0 entered promiscuous mode [ 47.661252][ T450] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.668640][ T450] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.676039][ T450] device bridge_slave_1 entered promiscuous mode [ 47.707550][ T450] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.717755][ T450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.725782][ T450] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.734617][ T450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.760428][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.770649][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.779917][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.793033][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.801897][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.810180][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.821485][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.831184][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.839684][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.855567][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.865700][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.882578][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.893616][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.902359][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.910568][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.919913][ T450] device veth0_vlan entered promiscuous mode [ 47.936569][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.946253][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.956316][ T450] device veth1_macvtap entered promiscuous mode [ 47.964657][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.973046][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.981758][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.003478][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.018443][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.019630][ T457] loop2: detected capacity change from 0 to 1024 [ 48.045816][ T457] ======================================================= [ 48.045816][ T457] WARNING: The mand mount option has been deprecated and [ 48.045816][ T457] and is ignored by this kernel. Remove the mand [ 48.045816][ T457] option from the mount to silence this warning. [ 48.045816][ T457] ======================================================= [ 48.103770][ T457] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.127591][ T457] EXT4-fs (loop2): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 48.157242][ T30] audit: type=1400 audit(1774052811.813:107): avc: denied { mount } for pid=456 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 [ 48.182883][ T457] cgroup: fork rejected by pids controller in /syz2 [ 48.184048][ T30] audit: type=1400 audit(1774052811.833:108): avc: denied { write } for pid=462 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 [ 48.212181][ T30] audit: type=1400 audit(1774052811.833:109): avc: denied { add_name } for pid=462 comm="syz.2.17" name="core" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.246780][ T30] audit: type=1400 audit(1774052811.833:110): avc: denied { create } for pid=462 comm="syz.2.17" name="core" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 48.269956][ T30] audit: type=1400 audit(1774052811.833:111): avc: denied { read write open } for pid=462 comm="syz.2.17" path="/0/file1/core" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 48.294107][ T30] audit: type=1400 audit(1774052811.833:112): avc: denied { remove_name } for pid=466 comm="syz.2.17" name="core" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.314645][ T464] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 48.319137][ T30] audit: type=1400 audit(1774052811.833:113): avc: denied { unlink } for pid=466 comm="syz.2.17" name="core" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 48.362197][ T30] audit: type=1400 audit(1774052811.923:114): avc: denied { rmdir } for pid=450 comm="syz-executor" name="lost+found" dev="loop2" ino=11 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 48.387992][ T473] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.17: Allocating blocks 1-17 which overlap fs metadata [ 48.419903][ T465] EXT4-fs error (device loop2): ext4_find_extent:929: inode #22: comm syz.2.17: pblk 433 bad header/extent: invalid extent entries - magic f30a, entries 9, max 84(84), depth 0(0) [ 48.420053][ T464] syz.2.17 (464) used greatest stack depth: 19744 bytes left [ 48.448295][ T475] EXT4-fs error (device loop2): mb_free_blocks:1874: group 0, inode 31: block 321:freeing already freed block (bit 20); block bitmap corrupt. [ 48.464347][ T465] EXT4-fs (loop2): Delayed block allocation failed for inode 22 at logical offset 11 with max blocks 1 with error 117 [ 48.466033][ T473] syz.2.17 (473) used greatest stack depth: 19528 bytes left [ 48.478787][ T465] EXT4-fs (loop2): This should not happen!! Data will be lost [ 48.478787][ T465] [ 48.495513][ T465] EXT4-fs error (device loop2): ext4_ext_map_blocks:4190: inode #22: comm syz.2.17: bad extent address lblock: 8, depth: 1 pblock 0 [ 48.509552][ T465] EXT4-fs error (device loop2): ext4_ext_map_blocks:4190: inode #22: comm syz.2.17: bad extent address lblock: 8, depth: 1 pblock 0 [ 48.524201][ T465] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #22: block 8: len 3: ext4_ext_map_blocks returned -117 [ 48.731502][ T527] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.739119][ T527] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.748074][ T527] device bridge_slave_0 entered promiscuous mode [ 48.755243][ T527] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.762657][ T527] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.770067][ T527] device bridge_slave_1 entered promiscuous mode [ 48.802503][ T527] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.809819][ T527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.817726][ T527] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.824845][ T527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.841204][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.849600][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.857136][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.868768][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.877414][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.886364][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.895760][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.904200][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.911720][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.924944][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.937028][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.951973][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.960720][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.974144][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.982829][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.991602][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.999461][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.011466][ T527] device veth0_vlan entered promiscuous mode [ 49.021820][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.030772][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.043311][ T527] device veth1_macvtap entered promiscuous mode [ 49.055037][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.063447][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.072489][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.082015][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.090524][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.120869][ T532] loop3: detected capacity change from 0 to 1024 [ 49.178943][ T532] EXT4-fs (loop3): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.197895][ T299] device bridge_slave_1 left promiscuous mode [ 49.198060][ T532] EXT4-fs (loop3): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 49.204245][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.249096][ T299] device bridge_slave_0 left promiscuous mode [ 49.255862][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.275958][ T299] device veth1_macvtap left promiscuous mode [ 49.282652][ T299] device veth0_vlan left promiscuous mode [ 49.305766][ T454] EXT4-fs error (device loop3): ext4_find_extent:929: inode #19: comm kworker/u4:4: pblk 118 bad header/extent: invalid extent entries - magic f30a, entries 8, max 84(84), depth 0(0) [ 49.328471][ T543] EXT4-fs error (device loop3): ext4_mb_mark_diskspace_used:3885: comm syz.3.20: Allocating blocks 497-513 which overlap fs metadata [ 49.339560][ T532] cgroup: fork rejected by pids controller in /syz3 [ 49.349781][ T454] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4882: inode #19: block 8: len 4: ext4_ext_map_blocks returned -117 [ 49.366983][ T454] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 19, error -117) [ 49.385363][ T454] EXT4-fs error (device loop3): ext4_find_extent:929: inode #20: comm kworker/u4:4: pblk 118 bad header/extent: invalid extent entries - magic f30a, entries 12, max 84(84), depth 0(0) [ 49.406753][ T548] EXT4-fs error (device loop3): ext4_mb_mark_diskspace_used:3885: comm syz.3.20: Allocating blocks 497-513 which overlap fs metadata [ 49.421158][ T454] EXT4-fs warning (device loop3): ext4_convert_unwritten_extents:4882: inode #20: block 8: len 4: ext4_ext_map_blocks returned -117 [ 49.436377][ T454] EXT4-fs (loop3): failed to convert unwritten extents to written extents -- potential data loss! (inode 20, error -117) [ 49.451157][ T584] EXT4-fs error (device loop3): mb_free_blocks:1874: group 0, inode 23: block 433:freeing already freed block (bit 27); block bitmap corrupt. [ 49.454274][ T539] EXT4-fs error (device loop3): ext4_ext_remove_space:2976: inode #20: comm syz.3.20: pblk 118 bad header/extent: invalid extent entries - magic f30a, entries 13, max 84(84), depth 0(0) [ 49.498026][ T539] EXT4-fs error (device loop3): ext4_evict_inode:294: comm syz.3.20: couldn't truncate inode 20 (err -117) [ 49.674613][ T601] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.682317][ T601] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.689932][ T601] device bridge_slave_0 entered promiscuous mode [ 49.698045][ T601] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.705552][ T601] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.713561][ T601] device bridge_slave_1 entered promiscuous mode [ 49.744456][ T601] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.752344][ T601] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.759954][ T601] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.767206][ T601] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.783821][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.791921][ T454] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.799862][ T454] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.816666][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.825014][ T454] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.832108][ T454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.839997][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.849972][ T454] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.857418][ T454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.865675][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.896997][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.906909][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.917666][ T601] device veth0_vlan entered promiscuous mode [ 49.925916][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.934994][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.945801][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.960145][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.969298][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.979025][ T601] device veth1_macvtap entered promiscuous mode [ 49.988408][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.996835][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 50.005629][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.019119][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.028101][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.060608][ T606] loop4: detected capacity change from 0 to 1024 [ 50.138810][ T606] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.156917][ T606] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 50.200057][ T606] cgroup: fork rejected by pids controller in /syz4 [ 50.238375][ T624] EXT4-fs (loop4): pa ffff8881132b0c78: logic 32, phys. 321, len 2 [ 50.246727][ T624] EXT4-fs error (device loop4): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.288341][ T624] EXT4-fs error (device loop4): mb_free_blocks:1874: group 0, inode 32: block 401:freeing already freed block (bit 25); block bitmap corrupt. [ 50.530904][ T675] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.538940][ T675] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.547228][ T675] device bridge_slave_0 entered promiscuous mode [ 50.558329][ T675] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.565628][ T675] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.573401][ T675] device bridge_slave_1 entered promiscuous mode [ 50.599234][ T299] device bridge_slave_1 left promiscuous mode [ 50.605589][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.613461][ T299] device bridge_slave_0 left promiscuous mode [ 50.620292][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.628933][ T299] device bridge_slave_1 left promiscuous mode [ 50.635430][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.643331][ T299] device bridge_slave_0 left promiscuous mode [ 50.649804][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.658496][ T299] device veth1_macvtap left promiscuous mode [ 50.664911][ T299] device veth0_vlan left promiscuous mode [ 50.671198][ T299] device veth1_macvtap left promiscuous mode [ 50.677938][ T299] device veth0_vlan left promiscuous mode [ 50.888538][ T675] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.895915][ T675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.903452][ T675] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.910814][ T675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.930488][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.939206][ T454] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.947783][ T454] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.957967][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.966637][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.975597][ T454] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.984116][ T454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.993720][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.002797][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.012002][ T454] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.020320][ T454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.031699][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.040733][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.051297][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.060475][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.072896][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.081897][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.094130][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.102419][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.111857][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.120804][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.130074][ T675] device veth0_vlan entered promiscuous mode [ 51.139853][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.148814][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.158724][ T675] device veth1_macvtap entered promiscuous mode [ 51.169351][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.177855][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.187202][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.197890][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.206816][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.247202][ T680] loop5: detected capacity change from 0 to 1024 [ 51.328031][ T680] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.346369][ T680] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 51.387862][ T680] cgroup: fork rejected by pids controller in /syz5 [ 51.588231][ T749] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.596072][ T749] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.603645][ T749] device bridge_slave_0 entered promiscuous mode [ 51.611171][ T749] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.618678][ T749] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.626388][ T749] device bridge_slave_1 entered promiscuous mode [ 51.660868][ T749] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.668296][ T749] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.675585][ T749] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.683294][ T749] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.698459][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.706619][ T454] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.714599][ T454] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.726299][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.735395][ T454] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.742872][ T454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.751759][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.760774][ T454] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.768016][ T454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.781614][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.791138][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.804293][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.816121][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.824626][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.832838][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.842780][ T749] device veth0_vlan entered promiscuous mode [ 51.853161][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.863231][ T749] device veth1_macvtap entered promiscuous mode [ 51.873574][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.884181][ T454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.894826][ T299] device bridge_slave_1 left promiscuous mode [ 51.901445][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.909085][ T299] device bridge_slave_0 left promiscuous mode [ 51.915915][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.924658][ T299] device veth1_macvtap left promiscuous mode [ 51.931419][ T299] device veth0_vlan left promiscuous mode [ 52.016196][ T754] loop6: detected capacity change from 0 to 1024 [ 52.085761][ T754] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.106495][ T754] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 52.146661][ T754] cgroup: fork rejected by pids controller in /syz6 [ 52.207371][ T760] EXT4-fs error (device loop6): mb_free_blocks:1874: group 0, inode 24: block 161:freeing already freed block (bit 10); block bitmap corrupt. [ 52.297636][ T823] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.305900][ T823] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.313962][ T823] device bridge_slave_0 entered promiscuous mode [ 52.322869][ T823] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.330741][ T823] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.338376][ T823] device bridge_slave_1 entered promiscuous mode [ 52.374034][ T823] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.381428][ T823] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.389305][ T823] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.397287][ T823] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.414592][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.422804][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.430561][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.440958][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.449865][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.457094][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.466276][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.474436][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.481932][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.493309][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.503471][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.516454][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.529644][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.537894][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.545912][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.554586][ T823] device veth0_vlan entered promiscuous mode 2026/03/21 00:26:56 executed programs: 17 [ 52.567641][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.577910][ T823] device veth1_macvtap entered promiscuous mode [ 52.587649][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.599508][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.628536][ T828] loop7: detected capacity change from 0 to 1024 [ 52.678739][ T828] EXT4-fs (loop7): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.706355][ T299] device bridge_slave_1 left promiscuous mode [ 52.707317][ T828] EXT4-fs (loop7): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 52.712692][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.756344][ T299] device bridge_slave_0 left promiscuous mode [ 52.759709][ T828] cgroup: fork rejected by pids controller in /syz7 [ 52.764948][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.780859][ T299] device veth1_macvtap left promiscuous mode [ 52.787567][ T299] device veth0_vlan left promiscuous mode [ 52.847111][ T839] ------------[ cut here ]------------ [ 52.853161][ T839] kernel BUG at fs/ext4/extents.c:2140! [ 52.859721][ T839] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 52.861820][ T835] EXT4-fs error (device loop7): ext4_mb_mark_diskspace_used:3885: comm syz.7.32: Allocating blocks 1-17 which overlap fs metadata [ 52.865909][ T839] CPU: 0 PID: 839 Comm: syz.7.32 Not tainted syzkaller #0 [ 52.865939][ T839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 52.865948][ T839] RIP: 0010:ext4_ext_insert_extent+0x477e/0x47c0 [ 52.865980][ T839] Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c a5 e8 ff ff 4c 89 f7 e8 73 78 d4 ff e9 98 e8 ff ff e8 f9 49 95 ff 0f 0b e8 f2 49 95 ff <0f> 0b e8 eb 49 95 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 19 [ 52.865995][ T839] RSP: 0018:ffffc90003876140 EFLAGS: 00010293 [ 52.866014][ T839] RAX: ffffffff81d47cee RBX: ffff8881273ad400 RCX: ffff888103d813c0 [ 52.866027][ T839] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 [ 52.866037][ T839] RBP: ffffc900038762f0 R08: ffff888122824d27 R09: 1ffff110245049a4 [ 52.866049][ T839] R10: dffffc0000000000 R11: ffffed10245049a5 R12: 0000000000000006 [ 52.866060][ T839] R13: ffff888122a36a88 R14: ffff8881273ad43c R15: 0000000000000006 [ 52.866079][ T839] FS: 00007fe5d2f586c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.987617][ T839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.994553][ T839] CR2: 00007fff37595f6d CR3: 000000011dbe2000 CR4: 00000000003506b0 [ 53.002751][ T839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.011664][ T839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.020176][ T839] Call Trace: [ 53.023572][ T839] [ 53.026798][ T839] ? get_implied_cluster_alloc+0x5cc/0xb60 [ 53.032908][ T839] ? ext4_ext_next_allocated_block+0x2e0/0x2e0 [ 53.040106][ T839] ext4_ext_map_blocks+0x186c/0x61e0 [ 53.045873][ T839] ? _raw_write_unlock+0x2b/0x60 [ 53.050908][ T839] ? ext4_ext_release+0x10/0x10 [ 53.056150][ T839] ? ext4_es_lookup_extent+0x54c/0x900 [ 53.062355][ T839] ext4_map_blocks+0x988/0x1b30 [ 53.067471][ T839] ? kmem_cache_alloc+0xf7/0x260 [ 53.073417][ T839] ? alloc_buffer_head+0x26/0x120 [ 53.078827][ T839] ? do_coredump+0x1452/0x2950 [ 53.083708][ T839] ? ext4_issue_zeroout+0x250/0x250 [ 53.089031][ T839] _ext4_get_block+0x1ea/0x540 [ 53.094702][ T839] ? ext4_get_block+0x50/0x50 [ 53.100005][ T839] ? should_failslab+0x9/0x20 [ 53.106226][ T839] ext4_get_block_unwritten+0x2a/0x40 [ 53.111804][ T839] ext4_block_write_begin+0x563/0x1160 [ 53.117457][ T839] ? _ext4_get_block+0x540/0x540 [ 53.122480][ T839] ? ext4_print_free_blocks+0x390/0x390 [ 53.128122][ T839] ? ext4_write_begin+0x44c/0x12e0 [ 53.133325][ T839] ? ext4_inode_journal_mode+0x19a/0x480 [ 53.139585][ T839] ext4_write_begin+0x65a/0x12e0 [ 53.145089][ T839] ? pte_alloc_one+0x70/0x190 [ 53.149945][ T839] ? handle_pte_fault+0x1ae6/0x2710 [ 53.155469][ T839] ? ext4_readahead+0x110/0x110 [ 53.160906][ T839] ? post_alloc_hook+0x192/0x1b0 [ 53.166200][ T839] ? prep_new_page+0x1c/0x110 [ 53.170965][ T839] ? get_page_from_freelist+0x2d3a/0x2dc0 [ 53.176953][ T839] ? prep_new_page+0x1c/0x110 [ 53.181978][ T839] ext4_da_write_begin+0x321/0xbf0 [ 53.187100][ T839] ? unlock_page_memcg+0x115/0x130 [ 53.192670][ T839] ? page_add_file_rmap+0x5a4/0x700 [ 53.198392][ T839] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 53.203804][ T839] ? _raw_spin_lock+0x94/0xf0 [ 53.208926][ T839] ? page_add_new_anon_rmap+0x4c0/0x4c0 [ 53.214513][ T839] ? next_uptodate_page+0xa12/0xa40 [ 53.220001][ T839] ? _raw_spin_unlock+0x4d/0x70 [ 53.225421][ T839] ? filemap_map_pages+0xc60/0x15f0 [ 53.231390][ T839] ? ktime_get_coarse_real_ts64+0x11b/0x130 [ 53.237389][ T839] ? current_time+0x1ad/0x2c0 [ 53.242266][ T839] generic_perform_write+0x2b7/0x690 [ 53.247843][ T839] ? file_remove_privs+0x5c0/0x5c0 [ 53.253221][ T839] ? grab_cache_page_write_begin+0xb0/0xb0 [ 53.259340][ T839] ? handle_pte_fault+0x1c2a/0x2710 [ 53.264570][ T839] ? generic_write_checks+0x3d4/0x480 [ 53.270218][ T839] ext4_buffered_write_iter+0x4ed/0x670 [ 53.276124][ T839] ext4_file_write_iter+0x440/0x1540 [ 53.281673][ T839] ? __kasan_check_write+0x14/0x20 [ 53.287060][ T839] ? _raw_spin_lock+0x94/0xf0 [ 53.291833][ T839] ? _raw_spin_trylock_bh+0x150/0x150 [ 53.297639][ T839] ? __kasan_check_write+0x14/0x20 [ 53.302845][ T839] ? try_grab_page+0x10d/0x3f0 [ 53.308494][ T839] ? _raw_spin_unlock+0x4d/0x70 [ 53.313647][ T839] ? follow_page_pte+0x943/0x980 [ 53.318893][ T839] ? ext4_file_read_iter+0x510/0x510 [ 53.324454][ T839] ? memset+0x35/0x40 [ 53.328448][ T839] ? iov_iter_kvec+0xbc/0x180 [ 53.333472][ T839] __kernel_write+0x510/0x950 [ 53.338516][ T839] ? vfs_read+0xc40/0xc40 [ 53.343236][ T839] ? __kasan_check_write+0x14/0x20 [ 53.348615][ T839] ? _raw_spin_lock+0x94/0xf0 [ 53.353290][ T839] ? _raw_spin_trylock_bh+0x150/0x150 [ 53.358656][ T839] __dump_emit+0x246/0x370 [ 53.363331][ T839] ? wait_for_dump_helpers+0x3a0/0x3a0 [ 53.368784][ T839] ? ext4_llseek+0x1ee/0x210 [ 53.373819][ T839] dump_emit+0x383/0x3f0 [ 53.378298][ T839] dump_user_range+0x86/0x1c0 [ 53.383198][ T839] elf_core_dump+0x2a8f/0x2fd0 [ 53.388270][ T839] ? load_elf_binary+0x28e0/0x28e0 [ 53.393423][ T839] ? __kmalloc+0x13d/0x2c0 [ 53.398036][ T839] ? kvmalloc_node+0x23c/0x320 [ 53.402810][ T839] do_coredump+0x1452/0x2950 [ 53.407598][ T839] ? simple_acl_create+0x1c0/0x1c0 [ 53.412913][ T839] ? kmem_cache_free+0x100/0x320 [ 53.418097][ T839] ? ____kasan_slab_free+0x130/0x160 [ 53.423744][ T839] ? get_signal+0xb5e/0x1480 [ 53.428687][ T839] ? kmem_cache_free+0x100/0x320 [ 53.433803][ T839] get_signal+0x38d/0x1480 [ 53.438418][ T839] arch_do_signal_or_restart+0xdf/0x11c0 [ 53.444146][ T839] ? bad_area+0x74/0x90 [ 53.448576][ T839] ? do_kern_addr_fault+0x80/0x80 [ 53.453692][ T839] ? get_sigframe_size+0x10/0x10 [ 53.458814][ T839] exit_to_user_mode_loop+0xa7/0xe0 [ 53.464556][ T839] exit_to_user_mode_prepare+0x87/0xd0 [ 53.470594][ T839] irqentry_exit_to_user_mode+0x9/0x10 [ 53.476447][ T839] irqentry_exit+0x12/0x40 [ 53.481389][ T839] exc_page_fault+0x5e/0xb0 [ 53.485981][ T839] asm_exc_page_fault+0x27/0x30 [ 53.491102][ T839] RIP: 0033:0x7fe5d30f3eb9 [ 53.495698][ T839] Code: Unable to access opcode bytes at RIP 0x7fe5d30f3e8f. [ 53.503058][ T839] RSP: 002b:00007fe5d2f57fd8 EFLAGS: 00010206 [ 53.509323][ T839] RAX: 0000000000000000 RBX: 00007fe5d336efa0 RCX: 00007fe5d30f3eb9 [ 53.517566][ T839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000a000 [ 53.525535][ T839] RBP: 00007fe5d3161c1f R08: 0000000000000000 R09: 0000000000000000 [ 53.533981][ T839] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 53.542230][ T839] R13: 00007fe5d336f038 R14: 00007fe5d336efa0 R15: 00007fff37594258 [ 53.550381][ T839] [ 53.553669][ T839] Modules linked in: [ 53.559810][ T839] ---[ end trace bdb1d6c7d5a593fd ]--- [ 53.572393][ T839] RIP: 0010:ext4_ext_insert_extent+0x477e/0x47c0 [ 53.580345][ T839] Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c a5 e8 ff ff 4c 89 f7 e8 73 78 d4 ff e9 98 e8 ff ff e8 f9 49 95 ff 0f 0b e8 f2 49 95 ff <0f> 0b e8 eb 49 95 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 19 [ 53.593456][ T833] EXT4-fs error (device loop7): mb_free_blocks:1874: group 0, inode 18: block 273:freeing already freed block (bit 17); block bitmap corrupt. [ 53.604846][ T839] RSP: 0018:ffffc90003876140 EFLAGS: 00010293 [ 53.623148][ T839] RAX: ffffffff81d47cee RBX: ffff8881273ad400 RCX: ffff888103d813c0 [ 53.631992][ T839] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 [ 53.640355][ T839] RBP: ffffc900038762f0 R08: ffff888122824d27 R09: 1ffff110245049a4 [ 53.648784][ T839] R10: dffffc0000000000 R11: ffffed10245049a5 R12: 0000000000000006 [ 53.657093][ T839] R13: ffff888122a36a88 R14: ffff8881273ad43c R15: 0000000000000006 [ 53.665401][ T839] FS: 00007fe5d2f586c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.674772][ T839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.682071][ T839] CR2: 00007fff37590ec0 CR3: 000000011dbe2000 CR4: 00000000003506a0 [ 53.691679][ T839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.700455][ T839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.708989][ T839] Kernel panic - not syncing: Fatal exception [ 53.715962][ T839] Kernel Offset: disabled [ 53.720566][ T839] Rebooting in 86400 seconds..