Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. 2025/06/14 21:25:34 ignoring optional flag "sandboxArg"="0" 2025/06/14 21:25:35 parsed 1 programs [ 50.951601][ T30] audit: type=1400 audit(1749936336.531:105): avc: denied { unlink } for pid=383 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" [ 51.004769][ T383] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.780513][ T30] audit: type=1401 audit(1749936337.351:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 52.235638][ T433] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.243037][ T433] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.250533][ T433] device bridge_slave_0 entered promiscuous mode [ 52.257673][ T433] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.264876][ T433] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.272617][ T433] device bridge_slave_1 entered promiscuous mode [ 52.322206][ T433] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.329367][ T433] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.336906][ T433] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.344648][ T433] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.365258][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.373384][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.381490][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.395940][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.404360][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.411701][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.426116][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.434559][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.441638][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.459962][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.468213][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.477554][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.485841][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.505269][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.514115][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.525781][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.533995][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.542179][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.549791][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.562943][ T433] device veth0_vlan entered promiscuous mode [ 52.573723][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.582248][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.592128][ T433] device veth1_macvtap entered promiscuous mode [ 52.607959][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.615906][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.624528][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.634641][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.643777][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/06/14 21:25:38 executed programs: 0 [ 52.904414][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.911968][ T443] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.919517][ T443] device bridge_slave_0 entered promiscuous mode [ 52.926956][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.934519][ T443] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.942344][ T443] device bridge_slave_1 entered promiscuous mode [ 52.995032][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.002256][ T443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.009620][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.016730][ T443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.036728][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.044767][ T304] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.052433][ T304] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.062462][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.070930][ T304] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.078179][ T304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.087444][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.095799][ T304] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.102981][ T304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.116025][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.125497][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.140451][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.152381][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.161175][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.168994][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.177632][ T443] device veth0_vlan entered promiscuous mode [ 53.194383][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.204473][ T443] device veth1_macvtap entered promiscuous mode [ 53.214762][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.229342][ T304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.259335][ T449] loop2: detected capacity change from 0 to 16 [ 53.271862][ T449] erofs: (device loop2): mounted with root inode @ nid 36. [ 53.279791][ T30] audit: type=1400 audit(1749936338.851:107): avc: denied { mount } for pid=448 comm="syz.2.16" name="/" dev="loop2" ino=36 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 53.282591][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.311512][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 53.320970][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.330809][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 53.340127][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 53.350163][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 53.359574][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 53.369525][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 53.379348][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 53.389835][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.399386][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 53.409596][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 53.419101][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 53.428648][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.438374][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 53.450954][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 53.460250][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 53.469551][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 53.478886][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 53.488303][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 53.498156][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.507717][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 53.517397][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 53.527160][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 53.536489][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.546036][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 53.555647][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 53.565143][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 53.575081][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 53.584665][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 53.594230][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 53.603450][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.612826][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 53.622324][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 53.631723][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 53.641212][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.650646][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 53.660035][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 53.669423][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 53.679107][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 53.689072][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 53.698968][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 53.708642][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.718290][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 53.727847][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 53.737442][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 53.747259][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.757113][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 53.766415][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 53.775774][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 53.785621][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 53.795246][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 53.804640][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 53.813830][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.823200][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 53.836791][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 53.846291][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 53.855704][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.865742][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 53.875125][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 53.884392][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 53.893755][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 53.903086][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 53.913105][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 53.922437][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.932240][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 53.932645][ T8] device bridge_slave_1 left promiscuous mode [ 53.941890][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 53.948771][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.957680][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 53.974064][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.974346][ T8] device bridge_slave_0 left promiscuous mode [ 53.983535][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 53.983571][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 53.983625][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 53.990321][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.000975][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 54.034158][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 54.043485][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 54.052712][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.053420][ T8] device veth1_macvtap left promiscuous mode [ 54.068110][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 54.068545][ T8] device veth0_vlan left promiscuous mode [ 54.077781][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 54.092797][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 54.101920][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.111523][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 54.120586][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 54.129910][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 54.139104][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 54.148725][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 54.158261][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 54.167697][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.177704][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 54.187020][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 54.196346][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 54.205639][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.215307][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 54.224544][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 54.233901][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 54.243504][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 54.252862][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 54.262234][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 54.271676][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.281361][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 54.290548][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 54.300292][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 54.309634][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.319310][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 54.328637][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 54.338070][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 54.347334][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 54.356721][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 54.365885][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 54.374981][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.384403][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 54.394582][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 54.403932][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 54.413043][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.422471][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 54.431827][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 54.441139][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 54.450172][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 54.459435][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 54.468813][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 54.478366][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.488032][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 54.497522][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 54.506770][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 54.516361][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 54.525565][ T449] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 54.535435][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 54.544666][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.554796][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 54.564183][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 54.573567][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 54.583000][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 54.592123][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.601588][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 54.610838][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 54.620085][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 54.629369][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 54.639075][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 54.648346][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 54.657456][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 54.666589][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 54.675719][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 54.684864][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.694387][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 54.703884][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 54.713579][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 54.722962][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.732555][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 54.741769][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 54.750878][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 54.759995][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 54.769154][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 54.778313][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 54.787384][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.797080][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 54.806404][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 54.815692][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 54.825127][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 54.834246][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 54.843317][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 54.852582][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 54.861599][ T449] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.871444][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 54.880499][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 54.890000][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 54.899519][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 54.908629][ T449] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 54.918474][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 54.927464][ T449] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 54.937403][ T449] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 54.946573][ T449] attempt to access beyond end of device [ 54.946573][ T449] loop2: rw=524288, want=720, limit=16 [ 54.957980][ T449] attempt to access beyond end of device [ 54.957980][ T449] loop2: rw=524288, want=525144, limit=16 [ 54.969622][ T449] attempt to access beyond end of device [ 54.969622][ T449] loop2: rw=524288, want=72, limit=16 [ 54.980995][ T449] attempt to access beyond end of device [ 54.980995][ T449] loop2: rw=524288, want=1183600, limit=16 [ 54.992449][ T449] attempt to access beyond end of device [ 54.992449][ T449] loop2: rw=524288, want=1048976, limit=16 [ 55.004332][ T449] attempt to access beyond end of device [ 55.004332][ T449] loop2: rw=524288, want=672, limit=16 [ 55.015448][ T449] attempt to access beyond end of device [ 55.015448][ T449] loop2: rw=524288, want=3670472, limit=16 [ 55.026953][ T449] attempt to access beyond end of device [ 55.026953][ T449] loop2: rw=524288, want=790384, limit=16 [ 55.038246][ T449] attempt to access beyond end of device [ 55.038246][ T449] loop2: rw=524288, want=14425508768, limit=16 [ 55.050016][ T449] BUG: scheduling while atomic: syz.2.16/449/0x00000002 [ 55.050183][ T49] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 55.057353][ T449] Modules linked in: [ 55.072329][ T449] Preemption disabled at: [ 55.076709][ T449] [] z_erofs_reload_indexes+0x1d0/0x410 [ 55.084091][ T449] CPU: 0 PID: 449 Comm: syz.2.16 Not tainted 5.15.185-syzkaller-1080583-ge678c93d43cc #0 [ 55.094295][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 55.094320][ T449] Call Trace: [ 55.107677][ T449] [ 55.110617][ T449] __dump_stack+0x21/0x30 [ 55.114960][ T449] dump_stack_lvl+0xee/0x150 [ 55.120162][ T449] ? show_regs_print_info+0x20/0x20 [ 55.125386][ T449] ? z_erofs_reload_indexes+0x1d0/0x410 [ 55.125413][ T449] dump_stack+0x15/0x20 [ 55.125430][ T449] __schedule_bug+0x174/0x230 [ 55.135410][ T449] ? ttwu_queue_wakelist+0x490/0x490 [ 55.145654][ T449] __schedule+0xc2f/0x14c0 [ 55.145677][ T449] ? release_firmware_map_entry+0x190/0x190 [ 55.145696][ T449] ? task_work_add+0x1b2/0x1e0 [ 55.145714][ T449] schedule+0x11e/0x1e0 [ 55.156032][ T449] exit_to_user_mode_loop+0x50/0xe0 [ 55.156056][ T449] exit_to_user_mode_prepare+0x5a/0xa0 [ 55.164970][ T449] syscall_exit_to_user_mode+0x1a/0x30 [ 55.176087][ T449] do_syscall_64+0x58/0xa0 [ 55.176115][ T449] ? clear_bhb_loop+0x50/0xa0 [ 55.186092][ T449] ? clear_bhb_loop+0x50/0xa0 [ 55.195616][ T449] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.201858][ T449] RIP: 0033:0x7fceb7d67969 [ 55.207261][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 55.207285][ T449] RSP: 002b:00007fceb77d8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 55.235617][ T449] RAX: 0000000000000000 RBX: 00007fceb7f8efa0 RCX: 00007fceb7d67969 [ 55.235634][ T449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 55.235646][ T449] RBP: 00007fceb7de9ab1 R08: 0000000000000000 R09: 0000000000000000 [ 55.251719][ T449] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 55.251732][ T449] R13: 0000000000000000 R14: 00007fceb7f8efa0 R15: 00007ffdb7ff3258 [ 55.251749][ T449] [ 55.336874][ T451] loop2: detected capacity change from 0 to 16 [ 55.471380][ T451] erofs: (device loop2): mounted with root inode @ nid 36. [ 55.480544][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.490328][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 55.499793][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.509793][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 55.519263][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 55.528697][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 55.538176][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 55.547767][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 55.557045][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 55.566211][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.575543][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 55.585096][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 55.594393][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 55.603809][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.613296][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 55.622546][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 55.631705][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 55.641166][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 55.650522][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 55.659825][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 55.669596][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.679368][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 55.688682][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 55.698140][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 55.707919][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.717265][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 55.726420][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 55.735586][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 55.745050][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 55.754567][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 55.763945][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 55.773514][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.783122][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 55.792293][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 55.801578][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 55.811136][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.821143][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 55.830648][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 55.839911][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 55.849175][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 55.858693][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 55.867843][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 55.877034][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.886648][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 55.895904][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 55.905058][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 55.914332][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.924112][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 55.933363][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 55.942516][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 55.951781][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 55.961120][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 55.970576][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 55.979831][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.989277][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 55.999050][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 56.008375][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 56.017439][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.026881][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 56.036150][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 56.045429][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 56.054816][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 56.063883][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 56.073362][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 56.082750][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.092068][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 56.101151][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 56.110181][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 56.119416][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.128829][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 56.137890][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 56.147094][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 56.156300][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 56.165531][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 56.174876][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 56.184347][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.193834][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 56.203105][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 56.212175][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 56.221238][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.230519][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 56.239698][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 56.248859][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 56.257914][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 56.267153][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 56.276198][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 56.285969][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.295387][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 56.304563][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 56.314021][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 56.323322][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.332669][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 56.341891][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 56.351061][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 56.360280][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 56.369389][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 56.378783][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 56.387954][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.398424][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 56.407732][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 56.417059][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 56.426140][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.435793][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 56.445235][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 56.454476][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 56.463684][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 56.472743][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 56.482019][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 56.491577][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.500994][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 56.510256][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 56.519813][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 56.528887][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.538406][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 56.547998][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 56.557821][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 56.567721][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 56.576963][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 56.586574][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 56.596442][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.606199][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 56.615815][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 56.625346][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 56.634852][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 56.643976][ T451] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 56.653858][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 56.663232][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.672692][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 56.682365][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 56.691540][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 56.701355][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 56.710771][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.720172][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 56.729585][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 56.738999][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 56.748637][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 56.757925][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 56.767090][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 56.776178][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 56.785545][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 56.794630][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 56.803885][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.813622][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 56.823131][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 56.832194][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 56.841448][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.850984][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 56.860018][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 56.869356][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 56.878658][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 56.888306][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 56.897537][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 56.906900][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.916220][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 56.925424][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 56.934927][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 56.944089][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 56.953182][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 56.962251][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 56.971779][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 56.981288][ T451] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.990968][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 57.000455][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 57.009451][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 57.018528][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 57.027721][ T451] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 57.037486][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 57.046545][ T451] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 57.056542][ T451] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 57.065646][ T451] attempt to access beyond end of device [ 57.065646][ T451] loop2: rw=524288, want=720, limit=16 [ 57.077483][ T451] BUG: scheduling while atomic: syz.2.17/451/0x00000002 [ 57.077691][ T48] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 57.085504][ T451] Modules linked in: [ 57.085516][ T451] Preemption disabled at: [ 57.085522][ T451] [] z_erofs_reload_indexes+0x1d0/0x410 [ 57.101291][ T451] CPU: 1 PID: 451 Comm: syz.2.17 Tainted: G W 5.15.185-syzkaller-1080583-ge678c93d43cc #0 [ 57.113048][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 57.113065][ T451] Call Trace: [ 57.113073][ T451] [ 57.113080][ T451] __dump_stack+0x21/0x30 [ 57.134978][ T451] dump_stack_lvl+0xee/0x150 [ 57.135011][ T451] ? show_regs_print_info+0x20/0x20 [ 57.141245][ T451] ? z_erofs_reload_indexes+0x1d0/0x410 [ 57.141272][ T451] dump_stack+0x15/0x20 [ 57.150577][ T451] __schedule_bug+0x174/0x230 [ 57.161798][ T451] ? ttwu_queue_wakelist+0x490/0x490 [ 57.161823][ T451] __schedule+0xc2f/0x14c0 [ 57.161846][ T451] ? release_firmware_map_entry+0x190/0x190 [ 57.170681][ T451] ? task_work_add+0x1b2/0x1e0 [ 57.180618][ T451] schedule+0x11e/0x1e0 [ 57.191286][ T451] exit_to_user_mode_loop+0x50/0xe0 [ 57.200947][ T451] exit_to_user_mode_prepare+0x5a/0xa0 [ 57.206517][ T451] syscall_exit_to_user_mode+0x1a/0x30 [ 57.212081][ T451] do_syscall_64+0x58/0xa0 [ 57.212100][ T451] ? clear_bhb_loop+0x50/0xa0 [ 57.221186][ T451] ? clear_bhb_loop+0x50/0xa0 [ 57.226219][ T451] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.232213][ T451] RIP: 0033:0x7fceb7d67969 [ 57.236682][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 57.256745][ T451] RSP: 002b:00007fceb77d8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 57.265749][ T451] RAX: 0000000000000000 RBX: 00007fceb7f8efa0 RCX: 00007fceb7d67969 [ 57.265770][ T451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 57.265782][ T451] RBP: 00007fceb7de9ab1 R08: 0000000000000000 R09: 0000000000000000 [ 57.282798][ T451] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 57.282821][ T451] R13: 0000000000000000 R14: 00007fceb7f8efa0 R15: 00007ffdb7ff3258 [ 57.282840][ T451] [ 57.357736][ T453] loop2: detected capacity change from 0 to 16 [ 57.457729][ T453] erofs: (device loop2): mounted with root inode @ nid 36. [ 57.467284][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.476790][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 57.486454][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.496080][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 57.505298][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 57.514720][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 57.523895][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 57.533177][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 57.542407][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 57.551634][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.560975][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 57.570374][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 57.579554][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 57.589370][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.598745][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 57.608220][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 57.617470][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 57.626643][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 57.635786][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 57.645651][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 57.657604][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.667017][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 57.676192][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 57.685645][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 57.695145][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.705044][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 57.714203][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 57.723440][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 57.732633][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 57.742193][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 57.751599][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 57.760770][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.770162][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 57.779714][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 57.788991][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 57.798233][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.807975][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 57.817565][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 57.827047][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 57.836580][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 57.845818][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 57.854976][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 57.864265][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.873941][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 57.883136][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 57.892714][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 57.902013][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.911605][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 57.920978][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 57.930112][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 57.939523][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 57.948790][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 57.958490][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 57.967912][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.977243][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 57.986763][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 57.996372][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 58.005746][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.015097][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 58.024449][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 58.033855][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 58.043171][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 58.052374][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 58.061546][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 58.071227][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.080700][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 58.090220][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 58.099604][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 58.108873][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.118254][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 58.127918][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 58.137000][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 58.146171][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 58.155601][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 58.164732][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 58.173810][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.183177][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 58.192445][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 58.201579][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 58.211417][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.220783][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 58.230093][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 58.239339][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 58.248639][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 58.258735][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 58.268223][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 58.277431][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.286952][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 58.296238][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 58.305410][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 58.314501][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.324045][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 58.333173][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 58.342462][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 58.351949][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 58.361037][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 58.370275][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 58.379441][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.388871][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 58.398456][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 58.407936][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 58.417430][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.426917][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 58.436000][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 58.445224][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 58.454399][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 58.463658][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 58.474293][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 58.483529][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.493129][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 58.502557][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 58.512110][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 58.521564][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.531058][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 58.540098][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 58.549546][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 58.559180][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 58.568497][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 58.577662][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 58.587088][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.596681][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 58.605797][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 58.615053][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 58.624140][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 58.633557][ T453] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 58.643627][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 58.653049][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.662876][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 58.672457][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 58.681700][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 58.691302][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 58.700431][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.710179][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 58.719382][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 58.729124][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 58.738367][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 58.747981][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 58.757355][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 58.766858][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 58.776217][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 58.785457][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 58.795135][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.804659][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 58.813736][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 58.823101][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 58.832180][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.841723][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 58.850939][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 58.860064][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 58.869221][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 58.878642][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 58.887820][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 58.896890][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.906294][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 58.916333][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 58.925973][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 58.935287][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 58.944447][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 58.953605][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 58.962801][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 58.972019][ T453] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 58.982096][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 58.991206][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 59.000335][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 59.009457][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 59.018577][ T453] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 59.028432][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 59.037674][ T453] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 59.047532][ T453] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 59.056768][ T453] BUG: scheduling while atomic: syz.2.18/453/0x00000002 [ 59.056906][ T48] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 59.063844][ T453] Modules linked in: [ 59.079159][ T453] Preemption disabled at: [ 59.079168][ T453] [] z_erofs_reload_indexes+0x1d0/0x410 [ 59.090642][ T453] CPU: 1 PID: 453 Comm: syz.2.18 Tainted: G W 5.15.185-syzkaller-1080583-ge678c93d43cc #0 [ 59.102212][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 59.102225][ T453] Call Trace: [ 59.102232][ T453] [ 59.102240][ T453] __dump_stack+0x21/0x30 [ 59.115893][ T453] dump_stack_lvl+0xee/0x150 [ 59.123246][ T453] ? show_regs_print_info+0x20/0x20 [ 59.123269][ T453] ? z_erofs_reload_indexes+0x1d0/0x410 [ 59.133044][ T453] dump_stack+0x15/0x20 [ 59.133063][ T453] __schedule_bug+0x174/0x230 [ 59.142932][ T453] ? ttwu_queue_wakelist+0x490/0x490 [ 59.142955][ T453] __schedule+0xc2f/0x14c0 [ 59.153157][ T453] ? release_firmware_map_entry+0x190/0x190 [ 59.153181][ T453] ? task_work_add+0x1b2/0x1e0 [ 59.153200][ T453] schedule+0x11e/0x1e0 [ 59.163966][ T453] exit_to_user_mode_loop+0x50/0xe0 [ 59.163992][ T453] exit_to_user_mode_prepare+0x5a/0xa0 [ 59.173231][ T453] syscall_exit_to_user_mode+0x1a/0x30 [ 59.173255][ T453] do_syscall_64+0x58/0xa0 [ 59.184014][ T453] ? clear_bhb_loop+0x50/0xa0 [ 59.184036][ T453] ? clear_bhb_loop+0x50/0xa0 [ 59.194015][ T453] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.203673][ T453] RIP: 0033:0x7fceb7d67969 2025/06/14 21:25:44 executed programs: 5 [ 59.203692][ T453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 59.203709][ T453] RSP: 002b:00007fceb77d8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 59.203729][ T453] RAX: 0000000000000000 RBX: 00007fceb7f8efa0 RCX: 00007fceb7d67969 [ 59.203743][ T453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.203753][ T453] RBP: 00007fceb7de9ab1 R08: 0000000000000000 R09: 0000000000000000 [ 59.203764][ T453] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 59.203775][ T453] R13: 0000000000000000 R14: 00007fceb7f8efa0 R15: 00007ffdb7ff3258 [ 59.203791][ T453] [ 59.356459][ T455] loop2: detected capacity change from 0 to 16 [ 59.423128][ T455] erofs: (device loop2): mounted with root inode @ nid 36. [ 59.432510][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.441985][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 59.451390][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.460964][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 59.470209][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 59.479585][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 59.489235][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 59.499106][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 59.508485][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 59.517828][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.527523][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 59.537023][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 59.546484][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 59.555890][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.565312][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 59.574616][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 59.583793][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 59.592931][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 59.602074][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 59.611522][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 59.620867][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.630153][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 59.639473][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 59.648640][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 59.657971][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.667308][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 59.676841][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 59.686526][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 59.695682][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 59.705552][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 59.715456][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 59.724987][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.734590][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 59.744137][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 59.753477][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 59.762679][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.772130][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 59.781679][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 59.791094][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 59.800546][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 59.809999][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 59.819432][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 59.829625][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.839062][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 59.848710][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 59.857902][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 59.867298][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.876733][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 59.886315][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 59.896269][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 59.905621][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 59.915104][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 59.924560][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 59.933829][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.943326][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 59.952774][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 59.962314][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 59.971743][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 59.981476][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 59.991340][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 60.001309][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 60.010762][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 60.019824][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 60.029194][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 60.038967][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.048575][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 60.057767][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 60.067385][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 60.076704][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.087105][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 60.096454][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 60.106502][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 60.115733][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 60.125015][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 60.134172][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 60.143629][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.153437][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 60.162857][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 60.171921][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 60.181429][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.190844][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 60.199970][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 60.209466][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 60.218625][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 60.227971][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 60.237325][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 60.247062][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.256497][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 60.265758][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 60.275278][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 60.284746][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.294350][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 60.304128][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 60.313364][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 60.322553][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 60.331660][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 60.340764][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 60.349930][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.359452][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 60.368521][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 60.377754][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 60.387099][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.396748][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 60.405977][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 60.415243][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 60.424514][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 60.433618][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 60.443199][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 60.452758][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.462212][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 60.471603][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 60.481007][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 60.490236][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.499865][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 60.509160][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 60.518310][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 60.527407][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 60.536826][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 60.546086][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 60.555360][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.564787][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 60.574156][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 60.583493][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 60.592566][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 60.601803][ T455] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 60.611909][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 60.621151][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.630488][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 60.639807][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 60.649105][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 60.658473][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 60.667907][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.677929][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 60.687419][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 60.696667][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 60.705876][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 60.715020][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 60.724123][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 60.733301][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 60.742493][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 60.751682][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 60.761029][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.770671][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 60.780191][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 60.789372][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 60.798814][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.808431][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 60.817946][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 60.827130][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 60.836246][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 60.845427][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 60.854482][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 60.863657][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.873314][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 60.882649][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 60.891737][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 60.901048][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 60.910532][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 60.919958][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 60.929157][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 60.938353][ T455] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 60.947686][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 60.956672][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 60.965872][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 60.975064][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 60.984219][ T455] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 60.994124][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 61.003353][ T455] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 61.013115][ T455] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 61.022336][ T455] handle_bad_sector: 17 callbacks suppressed [ 61.022355][ T455] attempt to access beyond end of device [ 61.022355][ T455] loop2: rw=524288, want=720, limit=16 [ 61.041899][ T455] attempt to access beyond end of device [ 61.041899][ T455] loop2: rw=524288, want=525144, limit=16 [ 61.053256][ T455] attempt to access beyond end of device [ 61.053256][ T455] loop2: rw=524288, want=72, limit=16 [ 61.064544][ T455] attempt to access beyond end of device [ 61.064544][ T455] loop2: rw=524288, want=1183600, limit=16 [ 61.076337][ T455] attempt to access beyond end of device [ 61.076337][ T455] loop2: rw=524288, want=1048976, limit=16 [ 61.087806][ T455] attempt to access beyond end of device [ 61.087806][ T455] loop2: rw=524288, want=672, limit=16 [ 61.099215][ T455] attempt to access beyond end of device [ 61.099215][ T455] loop2: rw=524288, want=3670472, limit=16 [ 61.110821][ T455] attempt to access beyond end of device [ 61.110821][ T455] loop2: rw=524288, want=790384, limit=16 [ 61.122164][ T455] attempt to access beyond end of device [ 61.122164][ T455] loop2: rw=524288, want=14425508768, limit=16 [ 61.134068][ T455] BUG: scheduling while atomic: syz.2.19/455/0x00000002 [ 61.134231][ T48] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 61.141257][ T455] Modules linked in: [ 61.156453][ T455] Preemption disabled at: [ 61.156461][ T455] [] z_erofs_reload_indexes+0x1d0/0x410 [ 61.168053][ T455] CPU: 1 PID: 455 Comm: syz.2.19 Tainted: G W 5.15.185-syzkaller-1080583-ge678c93d43cc #0 [ 61.179655][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 61.179675][ T455] Call Trace: [ 61.179683][ T455] [ 61.193037][ T455] __dump_stack+0x21/0x30 [ 61.200507][ T455] dump_stack_lvl+0xee/0x150 [ 61.205119][ T455] ? show_regs_print_info+0x20/0x20 [ 61.210418][ T455] ? z_erofs_reload_indexes+0x1d0/0x410 [ 61.216242][ T455] dump_stack+0x15/0x20 [ 61.216271][ T455] __schedule_bug+0x174/0x230 [ 61.216291][ T455] ? ttwu_queue_wakelist+0x490/0x490 [ 61.225235][ T455] __schedule+0xc2f/0x14c0 [ 61.225261][ T455] ? release_firmware_map_entry+0x190/0x190 [ 61.235216][ T455] ? task_work_add+0x1b2/0x1e0 [ 61.235238][ T455] schedule+0x11e/0x1e0 [ 61.246157][ T455] exit_to_user_mode_loop+0x50/0xe0 [ 61.255589][ T455] exit_to_user_mode_prepare+0x5a/0xa0 [ 61.255610][ T455] syscall_exit_to_user_mode+0x1a/0x30 [ 61.266616][ T455] do_syscall_64+0x58/0xa0 [ 61.271235][ T455] ? clear_bhb_loop+0x50/0xa0 [ 61.271256][ T455] ? clear_bhb_loop+0x50/0xa0 [ 61.271276][ T455] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.280915][ T455] RIP: 0033:0x7fceb7d67969 [ 61.280942][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 61.291245][ T455] RSP: 002b:00007fceb77d8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 61.291268][ T455] RAX: 0000000000000000 RBX: 00007fceb7f8efa0 RCX: 00007fceb7d67969 [ 61.319812][ T455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 61.336182][ T455] RBP: 00007fceb7de9ab1 R08: 0000000000000000 R09: 0000000000000000 [ 61.336202][ T455] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 61.352398][ T455] R13: 0000000000000000 R14: 00007fceb7f8efa0 R15: 00007ffdb7ff3258 [ 61.352422][ T455] [ 61.426274][ T457] loop2: detected capacity change from 0 to 16 [ 61.537139][ T457] erofs: (device loop2): mounted with root inode @ nid 36. [ 61.546731][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.556322][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 61.565852][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.575389][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 61.584640][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 61.594170][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 61.603418][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 61.612743][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 61.621908][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 61.631082][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.640458][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 61.649779][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 61.659021][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 61.668176][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.677595][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 61.687100][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 61.696357][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 61.705682][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 61.714914][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 61.724075][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 61.733328][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.742868][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 61.752110][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 61.761266][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 61.770587][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.780070][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 61.789411][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 61.798878][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 61.808765][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 61.818586][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 61.827959][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 61.837356][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.846776][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 61.856104][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 61.865537][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 61.874916][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.884775][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 61.894430][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 61.903960][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 61.913654][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 61.923000][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 61.932482][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 61.942128][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.951455][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 61.960595][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 61.970083][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 61.979426][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 61.989021][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 61.999101][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 62.009795][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 62.019873][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 62.029437][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 62.038950][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 62.048410][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.057859][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 62.067906][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 62.077435][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 62.086786][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.096856][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 62.107070][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 62.116439][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 62.125952][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 62.135351][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 62.144716][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 62.154211][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.163814][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 62.173348][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 62.182797][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 62.192475][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.202289][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 62.211835][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 62.221123][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 62.230468][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 62.239676][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 62.249395][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 62.258916][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.268352][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 62.277855][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 62.286930][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 62.296179][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.305980][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 62.316267][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 62.325538][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 62.335235][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 62.344664][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 62.353976][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 62.363482][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.373122][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 62.382904][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 62.392211][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 62.401688][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.411208][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 62.420352][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 62.429568][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 62.438662][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 62.447772][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 62.457128][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 62.466405][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.476111][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 62.485453][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 62.494982][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 62.504200][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.513871][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 62.522969][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 62.532051][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 62.541185][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 62.550430][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 62.559802][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 62.568897][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.578349][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 62.587435][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 62.596609][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 62.605679][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.615166][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 62.624280][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 62.633427][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 62.642527][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 62.651843][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 62.660953][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 62.670302][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.679785][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 62.689280][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 62.698764][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 62.707998][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 62.717184][ T457] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 62.727044][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 62.736381][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.746176][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 62.755449][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 62.764617][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 62.773858][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 62.783121][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.792594][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 62.801678][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 62.810809][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 62.820120][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 62.829261][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 62.838467][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 62.847649][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 62.856899][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 62.865999][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 62.875246][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.884725][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 62.894143][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 62.903451][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 62.912824][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.922463][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 62.931555][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 62.940875][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 62.950153][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 62.959246][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 62.968315][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 62.977373][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 62.986778][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 62.995989][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 63.005160][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 63.014352][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 63.023827][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 63.032850][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 63.041827][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 63.050806][ T457] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.060100][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 63.069122][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 63.078104][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 63.087281][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 63.096276][ T457] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 63.106021][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 63.115294][ T457] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 63.124956][ T457] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 63.134405][ T457] attempt to access beyond end of device [ 63.134405][ T457] loop2: rw=524288, want=720, limit=16 [ 63.145626][ T457] note: syz.2.20[457] exited with preempt_count 1 [ 63.145727][ T49] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 63.216488][ T459] loop2: detected capacity change from 0 to 16 [ 63.223582][ T459] erofs: (device loop2): mounted with root inode @ nid 36. [ 63.232828][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.242399][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 63.251793][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.261281][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 63.270440][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 63.279886][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 63.289046][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 63.298410][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 63.307666][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 63.316943][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.326264][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 63.335425][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 63.344597][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 63.353751][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.363079][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 63.372244][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 63.381434][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 63.390649][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 63.399964][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 63.409639][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 63.418798][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.428321][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 63.437521][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 63.446826][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 63.456167][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.465581][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 63.474835][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 63.484091][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 63.493252][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 63.502399][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 63.511760][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 63.521102][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.530389][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 63.539637][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 63.548782][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 63.558130][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.567670][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 63.576821][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 63.586102][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 63.595273][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 63.604524][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 63.613707][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 63.622944][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.632271][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 63.641432][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 63.650759][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 63.659976][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.670096][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 63.679550][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 63.688812][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 63.698113][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 63.707275][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 63.716629][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 63.725893][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.735222][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 63.744382][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 63.753578][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 63.762833][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.772158][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 63.781238][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 63.790458][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 63.799513][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 63.808568][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 63.817703][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 63.826995][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.836335][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 63.845592][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 63.854855][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 63.864163][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.873482][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 63.882632][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 63.891865][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 63.901100][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 63.910316][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 63.919546][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 63.928600][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.937912][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 63.947329][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 63.956391][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 63.965470][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 63.974917][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 63.984223][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 63.993316][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 64.002465][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 64.011704][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 64.020785][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 64.030233][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.039754][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 64.049239][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 64.058434][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 64.067614][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.076955][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 64.086095][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 64.095248][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 64.104309][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 64.113375][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 64.122689][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 64.131761][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.141206][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 64.150333][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 64.159387][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 64.168818][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.178129][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 64.187201][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 64.196263][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 64.205483][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 64.214606][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 64.223786][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 64.233132][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.242554][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 64.251614][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 64.260770][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 64.269804][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.279139][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 64.288296][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 64.297453][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 64.306507][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 64.315731][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 64.324909][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 64.334110][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.343532][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 64.352678][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 64.361755][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 45 @ nid 36 [ 64.370808][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 64.380230][ T459] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 64.390043][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 64.399462][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.408831][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 64.418028][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 64.427110][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 64.436368][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 64.445461][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.454809][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 64.464232][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 64.473310][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 64.482556][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 64.491775][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 64.500843][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 64.509880][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 64.518940][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 64.528001][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 64.537071][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.546508][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 64.555784][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 64.565053][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 64.574306][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.583667][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 64.592929][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 64.601998][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 64.611062][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 64.620116][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 64.629188][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 64.638356][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.647806][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 64.656886][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 64.666083][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 64.675237][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 64.684408][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 64.693384][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 64.702364][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 64.711376][ T459] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.720850][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 64.729904][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 64.738889][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 64.748066][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 64.757283][ T459] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 2025/06/14 21:25:50 executed programs: 8 [ 64.766948][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 64.776215][ T459] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 64.786055][ T459] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 64.795643][ T459] note: syz.2.21[459] exited with preempt_count 1 [ 64.795758][ T49] erofs: (device loop2): z_erofs_lz4_decompress_mem: failed to decompress -18 in[3072, 1024] out[3984] [ 64.867963][ T461] loop2: detected capacity change from 0 to 16 [ 64.951234][ T461] erofs: (device loop2): mounted with root inode @ nid 36. [ 64.960234][ T461] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.969736][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 64.978930][ T461] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 64.988456][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 64.997631][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 65.006818][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 65.015984][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 65.025267][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 65.034790][ T461] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36