syzkaller syzkaller login: [ 8.468710][ T105] udevd (105) used greatest stack depth: 21824 bytes left [ 12.541490][ T30] kauditd_printk_skb: 48 callbacks suppressed [ 12.541505][ T30] audit: type=1400 audit(1779114794.070:59): avc: denied { transition } for pid=222 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.552020][ T30] audit: type=1400 audit(1779114794.070:60): avc: denied { noatsecure } for pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.559030][ T30] audit: type=1400 audit(1779114794.070:61): avc: denied { write } for pid=222 comm="sh" path="pipe:[13988]" dev="pipefs" ino=13988 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.567364][ T30] audit: type=1400 audit(1779114794.070:62): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.573969][ T30] audit: type=1400 audit(1779114794.070:63): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.409452][ T230] sshd-session (230) used greatest stack depth: 21368 bytes left Warning: Permanently added '10.128.0.67' (ED25519) to the list of known hosts. 2026/05/18 14:33:23 parsed 1 programs [ 22.259087][ T30] audit: type=1400 audit(1779114803.790:64): avc: denied { node_bind } for pid=294 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.279933][ T30] audit: type=1400 audit(1779114803.790:65): avc: denied { module_request } for pid=294 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 22.939769][ T30] audit: type=1400 audit(1779114804.470:66): avc: denied { mounton } for pid=300 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 22.940773][ T300] cgroup: Unknown subsys name 'net' [ 22.962521][ T30] audit: type=1400 audit(1779114804.470:67): avc: denied { mount } for pid=300 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.989737][ T30] audit: type=1400 audit(1779114804.500:68): avc: denied { unmount } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.989886][ T300] cgroup: Unknown subsys name 'devices' [ 23.129874][ T300] cgroup: Unknown subsys name 'hugetlb' [ 23.135680][ T300] cgroup: Unknown subsys name 'rlimit' [ 23.277010][ T30] audit: type=1400 audit(1779114804.800:69): avc: denied { setattr } for pid=300 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.291555][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 23.300272][ T30] audit: type=1400 audit(1779114804.800:70): avc: denied { create } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.329150][ T30] audit: type=1400 audit(1779114804.800:71): avc: denied { write } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.349434][ T30] audit: type=1400 audit(1779114804.800:72): avc: denied { read } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.352178][ T300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.369882][ T30] audit: type=1400 audit(1779114804.800:73): avc: denied { mounton } for pid=300 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 23.852101][ T307] request_module fs-gadgetfs succeeded, but still no fs? [ 23.920215][ T307] syz-executor (307) used greatest stack depth: 21120 bytes left [ 24.265035][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.272228][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.279681][ T335] device bridge_slave_0 entered promiscuous mode [ 24.286457][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.293552][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.300958][ T335] device bridge_slave_1 entered promiscuous mode [ 24.337205][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.344419][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.351763][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.358812][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.377677][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.385423][ T232] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.393029][ T232] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.401944][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.410378][ T232] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.417395][ T232] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.426407][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.434844][ T232] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.441906][ T232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.455484][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.468367][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.481714][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.492508][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.500586][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.508558][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.516914][ T335] device veth0_vlan entered promiscuous mode [ 24.527760][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.536780][ T335] device veth1_macvtap entered promiscuous mode [ 24.546184][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.555780][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/05/18 14:33:26 executed programs: 0 [ 25.013004][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.020274][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.027574][ T369] device bridge_slave_0 entered promiscuous mode [ 25.034664][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.041897][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.049555][ T369] device bridge_slave_1 entered promiscuous mode [ 25.090440][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.097485][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.104793][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.111846][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.130821][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.138581][ T232] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.145774][ T232] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.168971][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.177323][ T232] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.184392][ T232] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.192199][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.200661][ T232] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.208041][ T232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.215391][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.223463][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.239369][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.249621][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.258494][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.265961][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.275795][ T369] device veth0_vlan entered promiscuous mode [ 25.285382][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.295736][ T369] device veth1_macvtap entered promiscuous mode [ 25.305616][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.315654][ T232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.336940][ T373] loop2: detected capacity change from 0 to 16 [ 25.406381][ T373] erofs: (device loop2): mounted with root inode @ nid 36. [ 25.415534][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 144 @ nid 36 [ 25.424901][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.434313][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 143 @ nid 36 [ 25.443537][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 142 @ nid 36 [ 25.452704][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 141 @ nid 36 [ 25.462019][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 140 @ nid 36 [ 25.471174][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 139 @ nid 36 [ 25.480352][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 138 @ nid 36 [ 25.489564][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.499146][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 137 @ nid 36 [ 25.508386][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 136 @ nid 36 [ 25.517520][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 135 @ nid 36 [ 25.526755][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.536560][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 134 @ nid 36 [ 25.545825][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 133 @ nid 36 [ 25.554985][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 132 @ nid 36 [ 25.564257][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 131 @ nid 36 [ 25.573427][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 130 @ nid 36 [ 25.582915][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 129 @ nid 36 [ 25.592183][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.601638][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 128 @ nid 36 [ 25.610802][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 127 @ nid 36 [ 25.620002][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 126 @ nid 36 [ 25.629412][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.638830][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 125 @ nid 36 [ 25.647994][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 124 @ nid 36 [ 25.657122][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 123 @ nid 36 [ 25.666683][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 122 @ nid 36 [ 25.676231][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 121 @ nid 36 [ 25.685440][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 120 @ nid 36 [ 25.694697][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.704055][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 119 @ nid 36 [ 25.713227][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 118 @ nid 36 [ 25.722394][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 117 @ nid 36 [ 25.731580][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.741098][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 116 @ nid 36 [ 25.750706][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 115 @ nid 36 [ 25.759953][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 114 @ nid 36 [ 25.769222][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 113 @ nid 36 [ 25.778580][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 112 @ nid 36 [ 25.787722][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 111 @ nid 36 [ 25.796921][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.806253][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 110 @ nid 36 [ 25.815394][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 109 @ nid 36 [ 25.824672][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 108 @ nid 36 [ 25.833869][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.843229][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 107 @ nid 36 [ 25.852513][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 106 @ nid 36 [ 25.861762][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 105 @ nid 36 [ 25.871119][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 104 @ nid 36 [ 25.880435][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 103 @ nid 36 [ 25.889636][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 102 @ nid 36 [ 25.898972][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.908334][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 101 @ nid 36 [ 25.917459][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 100 @ nid 36 [ 25.926747][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 99 @ nid 36 [ 25.935962][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 25.945340][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 98 @ nid 36 [ 25.954489][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 97 @ nid 36 [ 25.963575][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 96 @ nid 36 [ 25.972636][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 95 @ nid 36 [ 25.982400][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 94 @ nid 36 [ 25.991521][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 93 @ nid 36 [ 26.000598][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.009916][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 92 @ nid 36 [ 26.019364][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 91 @ nid 36 [ 26.028489][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 90 @ nid 36 [ 26.037538][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.047030][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 89 @ nid 36 [ 26.056119][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 88 @ nid 36 [ 26.065320][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 87 @ nid 36 [ 26.074545][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 86 @ nid 36 [ 26.083648][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 85 @ nid 36 [ 26.092773][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 84 @ nid 36 [ 26.101877][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.111335][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 83 @ nid 36 [ 26.120431][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 82 @ nid 36 [ 26.129507][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 81 @ nid 36 [ 26.139039][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.148394][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 80 @ nid 36 [ 26.157444][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 79 @ nid 36 [ 26.166548][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 78 @ nid 36 [ 26.175641][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 77 @ nid 36 [ 26.184825][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 76 @ nid 36 [ 26.194051][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 75 @ nid 36 [ 26.203374][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.212720][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 74 @ nid 36 [ 26.222192][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 73 @ nid 36 [ 26.231522][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 72 @ nid 36 [ 26.240699][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 71 @ nid 36 [ 26.249773][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 70 @ nid 36 [ 26.258813][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 69 @ nid 36 [ 26.267832][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 68 @ nid 36 [ 26.276887][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 67 @ nid 36 [ 26.285941][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 66 @ nid 36 [ 26.294989][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.304334][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 65 @ nid 36 [ 26.313368][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 64 @ nid 36 [ 26.322412][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 63 @ nid 36 [ 26.331461][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.340767][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 62 @ nid 36 [ 26.349817][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 61 @ nid 36 [ 26.358875][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 60 @ nid 36 [ 26.367894][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 59 @ nid 36 [ 26.376937][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 58 @ nid 36 [ 26.386054][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 57 @ nid 36 [ 26.395117][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.404439][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 56 @ nid 36 [ 26.413695][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 55 @ nid 36 [ 26.422745][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 54 @ nid 36 [ 26.431798][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.441097][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 53 @ nid 36 [ 26.450140][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 52 @ nid 36 [ 26.459252][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 51 @ nid 36 [ 26.468301][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 50 @ nid 36 [ 26.477311][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 49 @ nid 36 [ 26.486335][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 48 @ nid 36 [ 26.495474][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.504767][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 47 @ nid 36 [ 26.513811][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 46 @ nid 36 [ 26.522903][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 44 @ nid 36 [ 26.531960][ T373] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 26.541741][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 43 @ nid 36 [ 26.551050][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.560356][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 41 @ nid 36 [ 26.569443][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 38 @ nid 36 [ 26.578572][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 37 @ nid 36 [ 26.587596][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 35 @ nid 36 [ 26.596643][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 34 @ nid 36 [ 26.605713][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 33 @ nid 36 [ 26.614796][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 32 @ nid 36 [ 26.623913][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 31 @ nid 36 [ 26.633333][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 29 @ nid 36 [ 26.642388][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 28 @ nid 36 [ 26.651422][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 27 @ nid 36 [ 26.660464][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 26 @ nid 36 [ 26.669592][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 25 @ nid 36 [ 26.678658][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.687929][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 24 @ nid 36 [ 26.696975][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 23 @ nid 36 [ 26.706035][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 22 @ nid 36 [ 26.715167][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.724453][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 21 @ nid 36 [ 26.733502][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 20 @ nid 36 [ 26.742532][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 19 @ nid 36 [ 26.751568][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 18 @ nid 36 [ 26.760692][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 17 @ nid 36 [ 26.769834][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 16 @ nid 36 [ 26.778934][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.788593][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 15 @ nid 36 [ 26.797621][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 14 @ nid 36 [ 26.806688][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 13 @ nid 36 [ 26.815732][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 12 @ nid 36 [ 26.824800][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 9 @ nid 36 [ 26.833755][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 8 @ nid 36 [ 26.842704][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 7 @ nid 36 [ 26.851773][ T373] erofs: (device loop2): z_erofs_extent_lookback: bogus lookback distance @ nid 36 [ 26.861102][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 6 @ nid 36 [ 26.870093][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 5 @ nid 36 [ 26.879084][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 4 @ nid 36 [ 26.888152][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 3 @ nid 36 [ 26.897110][ T373] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 26.906759][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 1 @ nid 36 [ 26.915731][ T373] erofs: (device loop2): z_erofs_extent_lookback: invalid lookback distance 0 @ nid 36 [ 26.925370][ T373] erofs: (device loop2): z_erofs_readahead: readahead error at page 0 @ nid 36 [ 26.934425][ T373] attempt to access beyond end of device [ 26.934425][ T373] loop2: rw=524288, want=720, limit=16 [ 26.945457][ T373] attempt to access beyond end of device [ 26.945457][ T373] loop2: rw=524288, want=525144, limit=16 [ 26.956717][ T373] attempt to access beyond end of device [ 26.956717][ T373] loop2: rw=524288, want=72, limit=16 [ 26.967624][ T373] attempt to access beyond end of device [ 26.967624][ T373] loop2: rw=524288, want=1183600, limit=16 [ 26.978963][ T373] attempt to access beyond end of device [ 26.978963][ T373] loop2: rw=524288, want=296, limit=16 [ 26.989951][ T373] attempt to access beyond end of device [ 26.989951][ T373] loop2: rw=524288, want=1048976, limit=16 [ 27.001277][ T373] attempt to access beyond end of device [ 27.001277][ T373] loop2: rw=524288, want=672, limit=16 [ 27.012327][ T373] attempt to access beyond end of device [ 27.012327][ T373] loop2: rw=524288, want=3670472, limit=16 [ 27.023682][ T373] attempt to access beyond end of device [ 27.023682][ T373] loop2: rw=524288, want=790384, limit=16 [ 27.034970][ T373] BUG: scheduling while atomic: syz.2.17/373/0x00000004 [ 27.041944][ T373] Modules linked in: [ 27.045830][ T373] Preemption disabled at: [ 27.045834][ T373] [] z_erofs_reload_indexes+0x1d0/0x410 [ 27.057274][ T373] CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 [ 27.064365][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 27.074495][ T373] Call Trace: [ 27.077786][ T373] [ 27.080723][ T373] __dump_stack+0x21/0x30 [ 27.085052][ T373] dump_stack_lvl+0x110/0x170 [ 27.089719][ T373] ? show_regs_print_info+0x20/0x20 [ 27.094911][ T373] ? z_erofs_reload_indexes+0x1d0/0x410 [ 27.100438][ T373] dump_stack+0x15/0x20 [ 27.104575][ T373] __schedule_bug+0x180/0x230 [ 27.109236][ T373] ? ttwu_queue_wakelist+0x4a0/0x4a0 [ 27.114501][ T373] __schedule+0xc30/0x14c0 [ 27.118902][ T373] ? release_firmware_map_entry+0x190/0x190 [ 27.124792][ T373] ? __x64_sys_futex+0x100/0x100 [ 27.129727][ T373] schedule+0x11e/0x1e0 [ 27.133902][ T373] exit_to_user_mode_loop+0x50/0xe0 [ 27.139092][ T373] exit_to_user_mode_prepare+0x87/0xd0 [ 27.144546][ T373] syscall_exit_to_user_mode+0x1a/0x30 [ 27.149996][ T373] do_syscall_64+0x58/0xa0 [ 27.154407][ T373] ? clear_bhb_loop+0x50/0xa0 [ 27.159094][ T373] ? clear_bhb_loop+0x50/0xa0 [ 27.163760][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.169652][ T373] RIP: 0033:0x7fbf46e32e59 [ 27.174066][ T373] 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 [ 27.193662][ T373] RSP: 002b:00007ffef5639038 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 27.202077][ T373] RAX: 0000000000000000 RBX: 00007fbf470abfa0 RCX: 00007fbf46e32e59 [ 27.210062][ T373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 27.218044][ T373] RBP: 00007fbf46ec8d6f R08: 0000000000000000 R09: 0000000000000000 [ 27.226008][ T373] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 27.233974][ T373] R13: 00007fbf470abfac R14: 00007fbf470abfa0 R15: 00007fbf470abfa0 [ 27.241949][ T373]