Warning: Permanently added '10.128.1.207' (ED25519) to the list of known hosts. 2026/03/23 19:42:46 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 44.684446][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 44.684458][ T24] audit: type=1400 audit(1774294967.180:105): avc: denied { unlink } for pid=416 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" [ 44.759981][ T24] audit: type=1400 audit(1774294967.260:106): avc: denied { write } for pid=418 comm="mkswap" path="pipe:[15221]" dev="pipefs" ino=15221 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 44.782890][ T416] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 45.462261][ T24] audit: type=1400 audit(1774294967.960:107): avc: denied { create } for pid=444 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.599918][ T24] audit: type=1401 audit(1774294968.100:108): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.718658][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.726209][ T465] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.733925][ T465] device bridge_slave_0 entered promiscuous mode [ 45.740861][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.747875][ T465] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.755271][ T465] device bridge_slave_1 entered promiscuous mode [ 45.787784][ T465] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.794933][ T465] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.802211][ T465] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.809417][ T465] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.825938][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.834017][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.842030][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.853132][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.861642][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.868674][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.876047][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.884491][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.891618][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.902850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.911889][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.924288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.936372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.944746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.952386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.960926][ T465] device veth0_vlan entered promiscuous mode [ 45.970683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.979723][ T465] device veth1_macvtap entered promiscuous mode [ 45.988464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.998541][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/23 19:42:48 executed programs: 0 [ 46.206806][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.214075][ T479] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.221984][ T479] device bridge_slave_0 entered promiscuous mode [ 46.233023][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.240083][ T479] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.247328][ T479] device bridge_slave_1 entered promiscuous mode [ 46.280422][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.287590][ T479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.294860][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.301885][ T479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.322468][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.330513][ T292] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.337904][ T292] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.347311][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.356065][ T292] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.363153][ T292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.378904][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.387464][ T292] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.394789][ T292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.406644][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.416151][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.433801][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.445064][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.453430][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.461030][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.474020][ T479] device veth0_vlan entered promiscuous mode [ 46.483613][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.493662][ T479] device veth1_macvtap entered promiscuous mode [ 46.507429][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.517472][ T292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.549000][ T484] erofs: (device loop2): mounted with root inode @ nid 36. [ 46.556892][ T24] audit: type=1400 audit(1774294969.060:109): avc: denied { mount } for pid=483 comm="syz.2.17" name="/" dev="loop2" ino=36 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 46.560628][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 46.588651][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.598329][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 46.607974][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 46.617934][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 46.627204][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 46.636615][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 46.646029][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 46.655352][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.664974][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 46.674332][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 46.683562][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 46.693105][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.702796][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 46.712358][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 46.721615][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 46.730861][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 46.740116][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 46.749306][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 46.758606][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.768220][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 46.778169][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 46.787693][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 46.797228][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.806669][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 46.816209][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 46.826277][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 46.836107][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 46.845273][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 46.855070][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 46.864499][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.874210][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 46.883419][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 46.892973][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 46.902376][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.911719][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 46.920992][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 46.930514][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 46.940260][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 46.949856][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 46.959226][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 46.968539][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 46.977920][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 46.987111][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 46.996462][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 47.005951][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.016097][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 47.025681][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 47.035073][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 47.044359][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 47.054101][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 47.063475][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 47.072838][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.082434][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 47.092697][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 47.102128][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 47.111447][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.120922][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 47.130613][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 47.140226][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 47.149527][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 47.158951][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 47.168580][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 47.178830][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.188288][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 47.197618][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 47.206994][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 47.216171][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.225676][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 47.234841][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 47.244069][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 47.253655][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 47.262814][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 47.271875][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 47.281196][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.290550][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 47.299631][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 47.308651][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 47.317793][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.327567][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 47.337041][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 47.346295][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 47.355863][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 47.365312][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 47.374729][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 47.384029][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.393359][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 47.402726][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 47.412086][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 47.421158][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 47.430513][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 47.439545][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 47.448657][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 47.458062][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 47.467798][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 47.476928][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.486371][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 47.495723][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 47.505071][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 47.514228][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.523804][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 47.532839][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 47.541980][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 47.551056][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 47.560208][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 47.569431][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 47.578652][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.587973][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 47.597434][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 47.607089][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 47.616250][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.625757][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 47.635551][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 47.644859][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 47.654617][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 47.664530][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 47.674125][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 47.683377][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.693137][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 47.702732][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 47.712111][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 47.721257][ T484] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 47.732036][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 47.741867][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.751585][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 47.760936][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 47.770192][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 47.779488][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 47.788682][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 47.797936][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 47.807668][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 47.817036][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 47.827338][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 47.836614][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 47.845841][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 47.854908][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 47.864279][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 47.873696][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.883093][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 47.892731][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 47.901885][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 47.911220][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.920852][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 47.930256][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 47.939858][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 47.949463][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 47.959523][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 47.969135][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 47.978922][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 47.988613][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 47.997838][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 48.007626][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 48.016860][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 48.026797][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 48.036151][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 48.045532][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 48.054971][ T484] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.064710][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 48.074284][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 48.083585][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 48.092769][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 48.101876][ T484] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 48.112564][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 48.122300][ T484] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 48.133016][ T484] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 48.142911][ T484] attempt to access beyond end of device [ 48.142911][ T484] loop2: rw=524288, want=720, limit=16 [ 48.154607][ T484] attempt to access beyond end of device [ 48.154607][ T484] loop2: rw=524288, want=525144, limit=16 [ 48.165945][ T484] attempt to access beyond end of device [ 48.165945][ T484] loop2: rw=524288, want=72, limit=16 [ 48.176979][ T484] attempt to access beyond end of device [ 48.176979][ T484] loop2: rw=524288, want=1183600, limit=16 [ 48.188416][ T484] attempt to access beyond end of device [ 48.188416][ T484] loop2: rw=524288, want=296, limit=16 [ 48.199414][ T484] attempt to access beyond end of device [ 48.199414][ T484] loop2: rw=524288, want=1048976, limit=16 [ 48.210870][ T484] attempt to access beyond end of device [ 48.210870][ T484] loop2: rw=524288, want=672, limit=16 [ 48.222048][ T484] attempt to access beyond end of device [ 48.222048][ T484] loop2: rw=524288, want=3670472, limit=16 [ 48.233415][ T484] attempt to access beyond end of device [ 48.233415][ T484] loop2: rw=524288, want=790384, limit=16 [ 48.244879][ T484] BUG: scheduling while atomic: syz.2.17/484/0x00000004 [ 48.251913][ T484] Modules linked in: [ 48.255883][ T484] Preemption disabled at: [ 48.255897][ T484] [] z_erofs_reload_indexes+0x1d0/0x450 [ 48.268277][ T484] CPU: 0 PID: 484 Comm: syz.2.17 Not tainted syzkaller #0 [ 48.275496][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 48.286162][ T484] Call Trace: [ 48.289441][ T484] __dump_stack+0x21/0x24 [ 48.293847][ T484] dump_stack_lvl+0x1a7/0x208 [ 48.298594][ T484] ? z_erofs_reload_indexes+0x1d0/0x450 [ 48.304367][ T484] ? show_regs_print_info+0x18/0x18 [ 48.309807][ T484] ? z_erofs_reload_indexes+0x1d0/0x450 [ 48.315432][ T484] dump_stack+0x15/0x1c [ 48.319738][ T484] __schedule_bug+0x183/0x240 [ 48.325357][ T484] ? __migrate_task+0x190/0x190 [ 48.330549][ T484] __schedule+0xc45/0x1320 [ 48.335239][ T484] ? __sched_text_start+0x8/0x8 [ 48.340980][ T484] ? task_work_add+0x1b2/0x1e0 [ 48.347024][ T484] schedule+0x13c/0x1d0 [ 48.352114][ T484] exit_to_user_mode_loop+0x4b/0xe0 [ 48.357738][ T484] exit_to_user_mode_prepare+0x76/0xa0 [ 48.363929][ T484] syscall_exit_to_user_mode+0x1d/0x40 [ 48.370127][ T484] do_syscall_64+0x3d/0x40 [ 48.375653][ T484] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.381913][ T484] RIP: 0033:0x7f38d1985eb9 [ 48.386334][ T484] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 48.406548][ T484] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 48.415065][ T484] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 48.423311][ T484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 48.431436][ T484] RBP: 00007f38d19f3c1f R08: 0000000000000000 R09: 0000000000000000 [ 48.439511][ T484] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 48.447544][ T484] R13: 00007f38d1c01038 R14: 00007f38d1c00fa0 R15: 00007ffe8fb75768 [ 48.580022][ T492] erofs: (device loop2): mounted with root inode @ nid 36. [ 48.589374][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 48.598548][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.608057][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 48.617229][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 48.627400][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 48.636890][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 48.646396][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 48.655661][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 48.665310][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.674985][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 48.684366][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 48.693609][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 48.702733][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.712061][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 48.721308][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 48.730517][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 48.739652][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 48.748744][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 48.757865][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 48.768748][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.778554][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 48.788165][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 48.797508][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 48.806963][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.816662][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 48.826095][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 48.835705][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 48.845313][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 48.855639][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 48.864907][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 48.874231][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.883557][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 48.892914][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 48.902148][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 48.911391][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.920897][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 48.930036][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 48.939584][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 48.948700][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 48.957922][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 48.967055][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 48.976493][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 48.985814][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 48.995131][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 49.004530][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 49.013763][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.023268][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 49.032896][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 49.042962][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 49.052716][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 49.062280][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 49.072608][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 49.082395][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.091856][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 49.101231][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 49.111176][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 49.120551][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.130074][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 49.139543][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 49.148906][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 49.158141][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 49.167177][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 49.176519][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 49.185604][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.195542][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 49.205065][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 49.214310][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 49.223643][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.233159][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 49.242327][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 49.251382][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 49.260573][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 49.269840][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 49.279078][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 49.288300][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.298067][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 49.307243][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 49.316542][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 49.326553][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.336352][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 49.345510][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 49.354564][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 49.363708][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 49.373009][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 49.382120][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 49.391354][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.400750][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 49.410195][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 49.419253][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 49.428359][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 49.437536][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 49.446863][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 49.456102][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 49.465233][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 49.474507][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 49.483576][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.493132][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 49.502262][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 49.511522][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 49.520708][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.530069][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 49.539229][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 49.548432][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 49.557676][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 49.566786][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 49.576336][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 49.585488][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.594808][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 49.603914][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 49.613136][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 49.622421][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.631774][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 49.641034][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 49.650553][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 49.659774][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 49.668788][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 49.677834][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 49.686886][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.696369][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 49.705413][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 49.714664][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 49.723724][ T492] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 49.733657][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 49.742749][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.752249][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 49.761638][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 49.770837][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 49.780013][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 49.789023][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 49.798156][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 49.807384][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 49.816584][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 49.826011][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 49.835469][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 49.844568][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 49.853715][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 49.862850][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 49.871904][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.881671][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 49.890952][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 49.900114][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 49.909440][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.919187][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 49.928571][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 49.937706][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 49.946879][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 49.956054][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 49.965247][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 49.974653][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 49.984010][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 49.993255][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 50.002342][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 50.011389][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 50.020458][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 50.029436][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 50.038384][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 50.047445][ T492] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.057130][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 50.066191][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 50.075518][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 50.084495][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 50.093569][ T492] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 50.103510][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 50.112462][ T492] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 50.122296][ T492] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 50.131541][ T492] attempt to access beyond end of device [ 50.131541][ T492] loop2: rw=524288, want=720, limit=16 [ 50.142806][ T492] BUG: scheduling while atomic: syz.2.18/492/0x00000004 [ 50.149853][ T492] Modules linked in: [ 50.153739][ T492] Preemption disabled at: [ 50.153754][ T492] [] z_erofs_reload_indexes+0x1d0/0x450 [ 50.165803][ T492] CPU: 1 PID: 492 Comm: syz.2.18 Tainted: G W syzkaller #0 [ 50.174817][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 50.184869][ T492] Call Trace: [ 50.188161][ T492] __dump_stack+0x21/0x24 [ 50.192471][ T492] dump_stack_lvl+0x1a7/0x208 [ 50.197266][ T492] ? z_erofs_reload_indexes+0x1d0/0x450 [ 50.202919][ T492] ? show_regs_print_info+0x18/0x18 [ 50.208297][ T492] ? z_erofs_reload_indexes+0x1d0/0x450 [ 50.213846][ T492] dump_stack+0x15/0x1c [ 50.218008][ T492] __schedule_bug+0x183/0x240 [ 50.222690][ T492] ? __migrate_task+0x190/0x190 [ 50.227618][ T492] __schedule+0xc45/0x1320 [ 50.232240][ T492] ? __sched_text_start+0x8/0x8 [ 50.237253][ T492] ? task_work_add+0x1b2/0x1e0 [ 50.242176][ T492] schedule+0x13c/0x1d0 [ 50.246765][ T492] exit_to_user_mode_loop+0x4b/0xe0 [ 50.252041][ T492] exit_to_user_mode_prepare+0x76/0xa0 [ 50.257496][ T492] syscall_exit_to_user_mode+0x1d/0x40 [ 50.262951][ T492] do_syscall_64+0x3d/0x40 [ 50.267359][ T492] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 50.273233][ T492] RIP: 0033:0x7f38d1985eb9 [ 50.277760][ T492] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 50.297841][ T492] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 50.306243][ T492] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 50.314201][ T492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 50.322261][ T492] RBP: 00007f38d19f3c1f R08: 0000000000000000 R09: 0000000000000000 [ 50.330324][ T492] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 50.338382][ T492] R13: 00007f38d1c01038 R14: 00007f38d1c00fa0 R15: 00007ffe8fb75768 [ 50.458984][ T495] erofs: (device loop2): mounted with root inode @ nid 36. [ 50.468177][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 50.477511][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.487273][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 50.496523][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 50.505855][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 50.515209][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 50.524516][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 50.533756][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 50.543108][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.552542][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 50.561767][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 50.570923][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 50.580071][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.589560][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 50.598768][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 50.608333][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 50.617766][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 50.626921][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 50.636154][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 50.645361][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.654671][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 50.663840][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 50.673165][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 50.682311][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.691930][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 50.692199][ T7] device bridge_slave_1 left promiscuous mode [ 50.701270][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 50.701279][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 50.701287][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 50.701295][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 50.701303][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 50.701311][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.701325][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 50.701333][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 50.701342][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 50.701358][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.708223][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.716726][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 50.817412][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 50.817599][ T7] device bridge_slave_0 left promiscuous mode [ 50.827052][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 50.834593][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.844304][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 50.861628][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 50.870828][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 50.871128][ T7] device veth1_macvtap left promiscuous mode [ 50.879977][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.886223][ T7] device veth0_vlan left promiscuous mode [ 50.895320][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 50.910261][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 50.919729][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 50.929404][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 50.939200][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 50.948965][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 50.958439][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 50.967879][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 50.977087][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 50.986538][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 50.995799][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.005186][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 51.014432][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 51.023657][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 51.032726][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.042159][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 51.052058][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 51.061292][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 51.070816][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 51.079873][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 51.089106][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 51.098195][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.107673][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 51.116820][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 51.125861][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 51.134943][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.144354][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 51.153809][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 51.163184][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 51.173140][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 51.182416][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 51.191712][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 51.200956][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.210760][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 51.220075][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 51.229242][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 51.238250][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.247732][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 51.256765][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 51.265903][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 51.275333][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 51.285211][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 51.294297][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 51.303518][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.312839][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 51.321975][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 51.331586][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 51.340930][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 51.350351][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 51.359646][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 51.369541][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 51.378667][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 51.388161][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 51.397409][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.406801][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 51.416056][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 51.425193][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 51.434252][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.443734][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 51.452800][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 51.461885][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 51.471503][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 51.481093][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 51.490465][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 51.499869][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.509680][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 51.518797][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 51.528019][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 51.537082][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.546378][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 51.555515][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 51.564860][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 51.574142][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 51.583278][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 51.592442][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 51.601563][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.611135][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 51.620360][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 51.629539][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 51.638924][ T495] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 51.648792][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 51.658272][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.667673][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 51.677002][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 51.686240][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 51.695592][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 51.704668][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 51.713818][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 51.723052][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 51.732264][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 51.741348][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 51.750493][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 51.759736][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 51.768850][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 51.777988][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 51.787033][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.796339][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 51.805657][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 51.815365][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 51.824657][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.834004][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 51.843152][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 51.852218][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 51.861377][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 51.870468][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 51.879573][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 51.888624][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.898096][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 51.907525][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 51.916827][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 51.926140][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 51.935290][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 51.944367][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 51.953323][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 51.962639][ T495] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 51.972098][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 51.981039][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 51.990114][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 51.999254][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 52.008245][ T495] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 52.017980][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 52.027025][ T495] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 52.036924][ T495] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 52.046055][ T495] BUG: scheduling while atomic: syz.2.19/495/0x00000004 [ 52.053101][ T495] Modules linked in: [ 52.057029][ T495] Preemption disabled at: [ 52.057044][ T495] [] z_erofs_reload_indexes+0x1d0/0x450 [ 52.068562][ T495] CPU: 1 PID: 495 Comm: syz.2.19 Tainted: G W syzkaller #0 [ 52.077163][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 52.087413][ T495] Call Trace: [ 52.090710][ T495] __dump_stack+0x21/0x24 [ 52.095045][ T495] dump_stack_lvl+0x1a7/0x208 [ 52.099797][ T495] ? z_erofs_reload_indexes+0x1d0/0x450 [ 52.105329][ T495] ? show_regs_print_info+0x18/0x18 [ 52.110943][ T495] ? z_erofs_reload_indexes+0x1d0/0x450 [ 52.116817][ T495] dump_stack+0x15/0x1c [ 52.120962][ T495] __schedule_bug+0x183/0x240 [ 52.125723][ T495] ? __migrate_task+0x190/0x190 [ 52.130568][ T495] __schedule+0xc45/0x1320 [ 52.134982][ T495] ? __sched_text_start+0x8/0x8 [ 52.140520][ T495] ? task_work_add+0x1b2/0x1e0 [ 52.145478][ T495] schedule+0x13c/0x1d0 [ 52.149892][ T495] exit_to_user_mode_loop+0x4b/0xe0 [ 52.155167][ T495] exit_to_user_mode_prepare+0x76/0xa0 [ 52.160719][ T495] syscall_exit_to_user_mode+0x1d/0x40 [ 52.166254][ T495] do_syscall_64+0x3d/0x40 [ 52.170781][ T495] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.176923][ T495] RIP: 0033:0x7f38d1985eb9 [ 52.181539][ T495] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 52.202069][ T495] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 52.210553][ T495] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 52.218518][ T495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 52.226565][ T495] RBP: 00007f38d19f3c1f R08: 0000000000000000 R09: 0000000000000000 [ 52.234527][ T495] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 52.242505][ T495] R13: 00007f38d1c01038 R14: 00007f38d1c00fa0 R15: 00007ffe8fb75768 2026/03/23 19:42:54 executed programs: 5 [ 52.419430][ T498] erofs: (device loop2): mounted with root inode @ nid 36. [ 52.433412][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 52.443114][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.452894][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 52.462081][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 52.471464][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 52.480681][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 52.490382][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 52.499734][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 52.508838][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.518303][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 52.527447][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 52.536743][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 52.546067][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.555469][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 52.564751][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 52.573898][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 52.583148][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 52.592440][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 52.601720][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 52.611468][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.620776][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 52.630517][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 52.639833][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 52.649431][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.658998][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 52.668347][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 52.677577][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 52.686788][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 52.696148][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 52.705503][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 52.714716][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.724060][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 52.733716][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 52.742850][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 52.752344][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.762160][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 52.771473][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 52.780683][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 52.789813][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 52.799192][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 52.808315][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 52.817519][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.827012][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 52.836476][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 52.845647][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 52.854983][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.864388][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 52.873526][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 52.882813][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 52.892240][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 52.901385][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 52.910577][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 52.920006][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.929408][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 52.938821][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 52.947975][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 52.957102][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 52.966399][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 52.975554][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 52.984770][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 52.993906][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 53.002971][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 53.012327][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 53.021626][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.031205][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 53.040319][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 53.049653][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 53.059081][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.068540][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 53.077566][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 53.086950][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 53.096067][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 53.105360][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 53.114548][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 53.123801][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.133192][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 53.142427][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 53.151799][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 53.160913][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.170650][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 53.179678][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 53.188778][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 53.197894][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 53.207268][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 53.216388][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 53.225493][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.234879][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 53.244010][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 53.253050][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 53.262263][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 53.271754][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 53.280967][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 53.290007][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 53.299352][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 53.308463][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 53.317604][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.327276][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 53.336987][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 53.346220][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 53.355615][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.365008][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 53.374780][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 53.384159][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 53.393280][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 53.402418][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 53.411546][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 53.420799][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.430201][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 53.439788][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 53.449010][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 53.458304][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.467875][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 53.477148][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 53.486299][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 53.495442][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 53.505077][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 53.514245][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 53.523604][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.532956][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 53.542293][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 53.551651][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 53.560750][ T498] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 53.570684][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 53.580289][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.589769][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 53.599181][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 53.608748][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 53.618185][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 53.627338][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 53.636513][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 53.645849][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 53.654984][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 53.664559][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 53.673765][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 53.683209][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 53.692395][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 53.701657][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 53.710813][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.720562][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 53.729612][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 53.738714][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 53.748010][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.757676][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 53.766901][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 53.775944][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 53.785088][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 53.794682][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 53.803819][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 53.812864][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.822279][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 53.831329][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 53.840552][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 53.849687][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 53.858737][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 53.867773][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 53.876864][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 53.885841][ T498] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 53.895243][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 53.904294][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 53.913368][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 53.922523][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 53.931745][ T498] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 53.941824][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 53.951155][ T498] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 53.961072][ T498] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 53.970140][ T498] handle_bad_sector: 17 callbacks suppressed [ 53.970147][ T498] attempt to access beyond end of device [ 53.970147][ T498] loop2: rw=524288, want=720, limit=16 [ 53.987660][ T498] attempt to access beyond end of device [ 53.987660][ T498] loop2: rw=524288, want=525144, limit=16 [ 53.999097][ T498] attempt to access beyond end of device [ 53.999097][ T498] loop2: rw=524288, want=72, limit=16 [ 54.010003][ T498] attempt to access beyond end of device [ 54.010003][ T498] loop2: rw=524288, want=1183600, limit=16 [ 54.021577][ T498] attempt to access beyond end of device [ 54.021577][ T498] loop2: rw=524288, want=296, limit=16 [ 54.032604][ T498] attempt to access beyond end of device [ 54.032604][ T498] loop2: rw=524288, want=1048976, limit=16 [ 54.044101][ T498] attempt to access beyond end of device [ 54.044101][ T498] loop2: rw=524288, want=672, limit=16 [ 54.055805][ T498] attempt to access beyond end of device [ 54.055805][ T498] loop2: rw=524288, want=3670472, limit=16 [ 54.067637][ T498] attempt to access beyond end of device [ 54.067637][ T498] loop2: rw=524288, want=790384, limit=16 [ 54.079213][ T498] BUG: scheduling while atomic: syz.2.20/498/0x00000004 [ 54.086207][ T498] Modules linked in: [ 54.090123][ T498] Preemption disabled at: [ 54.090143][ T498] [] z_erofs_reload_indexes+0x1d0/0x450 [ 54.101714][ T498] CPU: 1 PID: 498 Comm: syz.2.20 Tainted: G W syzkaller #0 [ 54.110700][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 54.120778][ T498] Call Trace: [ 54.124060][ T498] __dump_stack+0x21/0x24 [ 54.128456][ T498] dump_stack_lvl+0x1a7/0x208 [ 54.133114][ T498] ? z_erofs_reload_indexes+0x1d0/0x450 [ 54.138784][ T498] ? show_regs_print_info+0x18/0x18 [ 54.144064][ T498] ? z_erofs_reload_indexes+0x1d0/0x450 [ 54.149752][ T498] dump_stack+0x15/0x1c [ 54.154040][ T498] __schedule_bug+0x183/0x240 [ 54.159703][ T498] ? __migrate_task+0x190/0x190 [ 54.164731][ T498] __schedule+0xc45/0x1320 [ 54.169372][ T498] ? __sched_text_start+0x8/0x8 [ 54.174308][ T498] ? task_work_add+0x1b2/0x1e0 [ 54.179158][ T498] schedule+0x13c/0x1d0 [ 54.183557][ T498] exit_to_user_mode_loop+0x4b/0xe0 [ 54.188753][ T498] exit_to_user_mode_prepare+0x76/0xa0 [ 54.194461][ T498] syscall_exit_to_user_mode+0x1d/0x40 [ 54.199936][ T498] do_syscall_64+0x3d/0x40 [ 54.204337][ T498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.210234][ T498] RIP: 0033:0x7f38d1985eb9 [ 54.214706][ T498] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 54.234599][ T498] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 54.243184][ T498] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 54.251149][ T498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 54.259126][ T498] RBP: 00007f38d19f3c1f R08: 0000000000000000 R09: 0000000000000000 [ 54.267202][ T498] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 54.275758][ T498] R13: 00007f38d1c01038 R14: 00007f38d1c00fa0 R15: 00007ffe8fb75768 [ 54.405754][ T501] erofs: (device loop2): mounted with root inode @ nid 36. [ 54.414519][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 54.424070][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.433507][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 54.443015][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 54.452882][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 54.462197][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 54.471392][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 54.480781][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 54.489950][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.499520][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 54.508705][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 54.517911][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 54.527121][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.536428][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 54.545572][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 54.555091][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 54.564284][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 54.573559][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 54.582831][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 54.592081][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.601512][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 54.610859][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 54.620022][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 54.629243][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.638660][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 54.647933][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 54.657168][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 54.666548][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 54.676130][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 54.685751][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 54.694983][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.704418][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 54.714023][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 54.723550][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 54.733001][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.742943][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 54.752179][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 54.761645][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 54.771237][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 54.780471][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 54.789672][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 54.799124][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.808999][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 54.818238][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 54.828110][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 54.837241][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.846532][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 54.855820][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 54.865300][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 54.874741][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 54.884281][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 54.894341][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 54.903777][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.913455][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 54.922770][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 54.932196][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 54.941805][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 54.951893][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 54.961235][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 54.970448][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 54.979860][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 54.989095][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 54.998130][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 55.007356][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.016643][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 55.025757][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 55.035039][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 55.044241][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.053566][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 55.062824][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 55.071873][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 55.081360][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 55.090743][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 55.100018][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 55.109270][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.118742][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 55.128069][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 55.137392][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 55.146690][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.156000][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 55.165338][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 55.174849][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 55.184251][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 55.193300][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 55.202514][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 55.211557][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.221127][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 55.230669][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 55.239834][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 55.249300][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 55.258734][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 55.268054][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 55.277378][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 55.286489][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 55.296100][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 55.306170][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.315686][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 55.325266][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 55.334684][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 55.343981][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.353450][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 55.362667][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 55.371983][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 55.381410][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 55.391283][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 55.401530][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 55.410883][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.420454][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 55.429594][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 55.438736][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 55.448324][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.458179][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 55.467489][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 55.476937][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 55.486185][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 55.495599][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 55.504875][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 55.514661][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.525206][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 55.534739][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 55.544096][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 55.553939][ T501] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 55.563931][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 55.573546][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.583084][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 55.592549][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 55.601860][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 55.611541][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 55.620766][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 55.629841][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 55.639023][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 55.648180][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 55.657437][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 55.666683][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 55.675849][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 55.685085][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 55.694197][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 55.703876][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.713403][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 55.722587][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 55.731892][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 55.741190][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.750931][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 55.760062][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 55.769308][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 55.778335][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 55.787492][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 55.796811][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 55.806196][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.815673][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 55.825233][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 55.834320][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 55.843643][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 55.852946][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 55.861999][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 55.871291][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 55.880599][ T501] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 55.890398][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 55.899540][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 55.908500][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 55.917645][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 55.926758][ T501] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 55.936443][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 55.945809][ T501] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 55.955704][ T501] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 55.964766][ T501] attempt to access beyond end of device [ 55.964766][ T501] loop2: rw=524288, want=720, limit=16 [ 55.976243][ T501] BUG: scheduling while atomic: syz.2.21/501/0x00000004 [ 55.983390][ T501] Modules linked in: [ 55.987290][ T501] Preemption disabled at: [ 55.987305][ T501] [] z_erofs_reload_indexes+0x1d0/0x450 [ 55.998744][ T501] CPU: 1 PID: 501 Comm: syz.2.21 Tainted: G W syzkaller #0 [ 56.007398][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 56.017434][ T501] Call Trace: [ 56.020795][ T501] __dump_stack+0x21/0x24 [ 56.025102][ T501] dump_stack_lvl+0x1a7/0x208 [ 56.029946][ T501] ? z_erofs_reload_indexes+0x1d0/0x450 [ 56.035475][ T501] ? show_regs_print_info+0x18/0x18 [ 56.040741][ T501] ? z_erofs_reload_indexes+0x1d0/0x450 [ 56.046514][ T501] dump_stack+0x15/0x1c [ 56.050767][ T501] __schedule_bug+0x183/0x240 [ 56.055485][ T501] ? __migrate_task+0x190/0x190 [ 56.060406][ T501] __schedule+0xc45/0x1320 [ 56.064893][ T501] ? __sched_text_start+0x8/0x8 [ 56.069850][ T501] ? task_work_add+0x1b2/0x1e0 [ 56.074768][ T501] schedule+0x13c/0x1d0 [ 56.079085][ T501] exit_to_user_mode_loop+0x4b/0xe0 [ 56.084554][ T501] exit_to_user_mode_prepare+0x76/0xa0 [ 56.090019][ T501] syscall_exit_to_user_mode+0x1d/0x40 [ 56.095837][ T501] do_syscall_64+0x3d/0x40 [ 56.100429][ T501] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.106338][ T501] RIP: 0033:0x7f38d1985eb9 [ 56.110740][ T501] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 56.130768][ T501] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 56.139360][ T501] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 56.147668][ T501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 56.155739][ T501] RBP: 00007f38d19f3c1f R08: 0000000000000000 R09: 0000000000000000 [ 56.163808][ T501] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 56.171850][ T501] R13: 00007f38d1c01038 R14: 00007f38d1c00fa0 R15: 00007ffe8fb75768 [ 56.336756][ T504] erofs: (device loop2): mounted with root inode @ nid 36. [ 56.345542][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 56.355157][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.364834][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 56.375263][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 56.384952][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 56.394261][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 56.403724][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 56.413047][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 56.422376][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.431670][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 56.440900][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 56.450340][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 56.459823][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.469393][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 56.478505][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 56.487739][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 56.497335][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 56.506558][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 56.515692][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 56.524938][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.534420][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 56.543674][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 56.552898][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 56.562041][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.571400][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 56.580676][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 56.589920][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 56.599128][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 56.608460][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 56.617700][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 56.627091][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.636575][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 56.645797][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 56.655012][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 56.664318][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.673907][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 56.683232][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 56.692526][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 56.701917][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 56.711690][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 56.721373][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 56.730699][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.740232][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 56.749921][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 56.759395][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 56.770737][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.781174][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 56.790927][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 56.801488][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 56.811868][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 56.822038][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 56.832262][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 56.841764][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.851828][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 56.861274][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 56.870798][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 56.880244][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.889757][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 56.899536][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 56.908837][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 56.918524][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 56.928471][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 56.938230][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 56.948179][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.958811][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 56.968415][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 56.978036][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 56.988010][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 56.997770][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 57.007278][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 57.017854][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 57.027540][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 57.037208][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 57.048174][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 57.058442][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.068613][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 57.078668][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 57.088759][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 57.098512][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.108217][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 57.118367][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 57.128364][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 57.138234][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 57.148549][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 57.159788][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 57.172925][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.182701][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 57.191963][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 57.202176][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 57.211461][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 57.221523][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 57.231156][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 57.240460][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 57.249621][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 57.258653][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 57.267705][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.278295][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 57.287625][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 57.296700][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 57.305946][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.315395][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 57.324690][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 57.335263][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 57.344404][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 57.353803][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 57.363796][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 57.373436][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.383162][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 57.392653][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 57.401916][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 57.411330][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.420918][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 57.430282][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 57.439555][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 57.448695][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 57.458030][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 57.467595][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 57.476684][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.486541][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 57.495983][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 57.505398][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 57.514814][ T504] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 57.524694][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 57.534315][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.543737][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 57.553206][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 57.562252][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 57.571503][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 57.580645][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 57.590221][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 57.599506][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 57.608742][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 57.619644][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 57.629259][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 57.638434][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 57.647782][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 57.657772][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 57.668913][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.679540][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 57.690276][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 57.701827][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 57.713230][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.727014][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 57.738725][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 57.749395][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 57.759885][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 57.771110][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 57.781795][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 57.792337][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.802520][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 57.813945][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 57.826871][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 57.838399][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 57.850396][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 57.861550][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 57.873949][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 57.883421][ T504] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 57.894050][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 57.903901][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 57.913186][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 57.922453][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 57.933256][ T504] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 57.947735][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 57.959034][ T504] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 57.972769][ T504] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 57.983827][ T504] BUG: scheduling while atomic: syz.2.22/504/0x00000004 [ 57.992020][ T504] Modules linked in: [ 57.996487][ T504] Preemption disabled at: [ 57.996505][ T504] [] z_erofs_reload_indexes+0x1d0/0x450 [ 58.010978][ T504] CPU: 0 PID: 504 Comm: syz.2.22 Tainted: G W syzkaller #0 [ 58.024449][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 58.037241][ T504] Call Trace: [ 58.041411][ T504] __dump_stack+0x21/0x24 [ 58.046171][ T504] dump_stack_lvl+0x1a7/0x208 [ 58.052762][ T504] ? z_erofs_reload_indexes+0x1d0/0x450 [ 58.060133][ T504] ? show_regs_print_info+0x18/0x18 [ 58.067046][ T504] ? z_erofs_reload_indexes+0x1d0/0x450 [ 58.073639][ T504] dump_stack+0x15/0x1c [ 58.078549][ T504] __schedule_bug+0x183/0x240 [ 58.083682][ T504] ? __migrate_task+0x190/0x190 [ 58.088936][ T504] __schedule+0xc45/0x1320 [ 58.094109][ T504] ? __sched_text_start+0x8/0x8 [ 58.099684][ T504] ? task_work_add+0x1b2/0x1e0 [ 58.104927][ T504] schedule+0x13c/0x1d0 [ 58.109551][ T504] exit_to_user_mode_loop+0x4b/0xe0 [ 58.116420][ T504] exit_to_user_mode_prepare+0x76/0xa0 [ 58.123313][ T504] syscall_exit_to_user_mode+0x1d/0x40 [ 58.129770][ T504] do_syscall_64+0x3d/0x40 [ 58.134775][ T504] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 58.141408][ T504] RIP: 0033:0x7f38d1985eb9 [ 58.146418][ T504] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 58.169568][ T504] RSP: 002b:00007f38d17ea028 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 58.178742][ T504] RAX: 0000000000000000 RBX: 00007f38d1c00fa0 RCX: 00007f38d1985eb9 [ 58.187900][ T504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004