Warning: Permanently added '10.128.1.180' (ED25519) to the list of known hosts. 2025/09/12 06:27:57 parsed 1 programs [ 44.384696][ T24] kauditd_printk_skb: 30 callbacks suppressed [ 44.384709][ T24] audit: type=1400 audit(1757658478.550:104): avc: denied { unlink } for pid=415 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" [ 44.641531][ T415] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 45.085366][ T24] audit: type=1400 audit(1757658479.250:105): avc: denied { create } for pid=427 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.245121][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.252184][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.274740][ T424] device bridge_slave_0 entered promiscuous mode [ 45.335809][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.343032][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.403752][ T424] device bridge_slave_1 entered promiscuous mode [ 45.514390][ T24] audit: type=1401 audit(1757658479.680:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.576392][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.583471][ T424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.590941][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.598000][ T424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.692155][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.699726][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.707303][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.715097][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.733138][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.741443][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.748600][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.756868][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.765209][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.772244][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.788915][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.804766][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.830307][ T424] device veth0_vlan entered promiscuous mode [ 45.838261][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.846819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.855098][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.862777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.876104][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.885959][ T424] device veth1_macvtap entered promiscuous mode [ 45.898478][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.915618][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/09/12 06:28:00 executed programs: 0 [ 45.958160][ T24] audit: type=1400 audit(1757658480.120:107): avc: denied { write } for pid=407 comm="syz-execprog" path="pipe:[14740]" dev="pipefs" ino=14740 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 46.050743][ T478] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.058023][ T478] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.065493][ T478] device bridge_slave_0 entered promiscuous mode [ 46.073063][ T478] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.080701][ T478] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.088174][ T478] device bridge_slave_1 entered promiscuous mode [ 46.129935][ T483] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.137121][ T483] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.144744][ T483] device bridge_slave_0 entered promiscuous mode [ 46.151680][ T483] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.159008][ T483] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.166470][ T483] device bridge_slave_1 entered promiscuous mode [ 46.239995][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.247463][ T481] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.255094][ T481] device bridge_slave_0 entered promiscuous mode [ 46.262328][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.269879][ T481] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.277599][ T481] device bridge_slave_1 entered promiscuous mode [ 46.315467][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.322648][ T485] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.330246][ T485] device bridge_slave_0 entered promiscuous mode [ 46.339656][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.347348][ T485] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.354881][ T485] device bridge_slave_1 entered promiscuous mode [ 46.406546][ T489] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.413598][ T489] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.421209][ T489] device bridge_slave_0 entered promiscuous mode [ 46.429285][ T489] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.436476][ T489] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.443749][ T489] device bridge_slave_1 entered promiscuous mode [ 46.551264][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.558436][ T481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.565822][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.572943][ T481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.585644][ T489] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.592960][ T489] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.600357][ T489] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.607426][ T489] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.615670][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.622784][ T485] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.630231][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.637390][ T485] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.657795][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.665325][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.672582][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.680481][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.688333][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.695551][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.703390][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.711025][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.718453][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.727095][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.735214][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.742225][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.749586][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.758197][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.766459][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.773509][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.781047][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.815590][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.840480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.848376][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.856698][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.864771][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.873084][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.880218][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.896575][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.905437][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.913806][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.920863][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.928640][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.937195][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.944441][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.951936][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.960268][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.967656][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.975320][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.983808][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.990983][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.010837][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.019186][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.026261][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.033739][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.042478][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.050920][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.058941][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.084711][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.092597][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.100661][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.108300][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.116749][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.125457][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.132489][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.140094][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.148423][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.156756][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.163796][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.171406][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.179636][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.205070][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.213582][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.222250][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.231295][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.239644][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.248119][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.256212][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.265430][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.281734][ T478] device veth0_vlan entered promiscuous mode [ 47.293556][ T481] device veth0_vlan entered promiscuous mode [ 47.301793][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.310454][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.319538][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.327629][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.335823][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.344052][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.352606][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.360568][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.368956][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.377242][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.385683][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.393161][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.400826][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.408402][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.416080][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.424120][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.433787][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.441782][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.450522][ T485] device veth0_vlan entered promiscuous mode [ 47.464186][ T489] device veth0_vlan entered promiscuous mode [ 47.471113][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.478829][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.486573][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.495111][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.503549][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.512313][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.520803][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.529529][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.537694][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.545448][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.557960][ T478] device veth1_macvtap entered promiscuous mode [ 47.567870][ T483] device veth0_vlan entered promiscuous mode [ 47.579423][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.587862][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.596838][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.605448][ T481] device veth1_macvtap entered promiscuous mode [ 47.618856][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.627195][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.635997][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.645018][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.653141][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.664809][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.672985][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.689364][ T485] device veth1_macvtap entered promiscuous mode [ 47.698156][ T489] device veth1_macvtap entered promiscuous mode [ 47.706273][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.714095][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.723533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.732534][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.741147][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.749924][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.758302][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.766972][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.785986][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.795343][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.804536][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.813315][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.821860][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.830846][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.847801][ T483] device veth1_macvtap entered promiscuous mode [ 47.864563][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.881322][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.891365][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.899895][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.908391][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.916084][ T503] F2FS-fs (loop0): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 47.965770][ T503] F2FS-fs (loop0): Found nat_bits in checkpoint [ 47.968722][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.002716][ T503] F2FS-fs (loop0): Cannot turn on quotas: -2 on 0 [ 48.009350][ T503] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 48.016106][ T503] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 48.022808][ T503] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 48.030503][ T24] audit: type=1400 audit(1757658482.200:108): avc: denied { mount } for pid=502 comm="syz.0.16" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 48.044667][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.093288][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.114788][ T473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.149778][ T307] device bridge_slave_1 left promiscuous mode [ 48.164361][ T307] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.192387][ T307] device bridge_slave_0 left promiscuous mode [ 48.198748][ T307] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.225281][ T307] device veth1_macvtap left promiscuous mode [ 48.231471][ T307] device veth0_vlan left promiscuous mode [ 48.379648][ T506] F2FS-fs (loop1): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 48.436267][ T506] F2FS-fs (loop1): Found nat_bits in checkpoint [ 48.457769][ T506] F2FS-fs (loop1): Cannot turn on quotas: -2 on 0 [ 48.464424][ T506] F2FS-fs (loop1): Cannot turn on quotas: -2 on 1 [ 48.470899][ T506] F2FS-fs (loop1): Cannot turn on quotas: -2 on 2 [ 48.479473][ T506] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 48.529738][ T511] F2FS-fs (loop5): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 48.539056][ T511] F2FS-fs (loop5): Found nat_bits in checkpoint [ 48.559782][ T511] F2FS-fs (loop5): Cannot turn on quotas: -2 on 0 [ 48.568274][ T519] F2FS-fs (loop0): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 48.577135][ T511] F2FS-fs (loop5): Cannot turn on quotas: -2 on 1 [ 48.584006][ T511] F2FS-fs (loop5): Cannot turn on quotas: -2 on 2 [ 48.590898][ T515] F2FS-fs (loop3): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 48.590955][ T511] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 48.643096][ T519] F2FS-fs (loop0): Found nat_bits in checkpoint [ 48.666064][ T515] F2FS-fs (loop3): Found nat_bits in checkpoint [ 48.691208][ T519] F2FS-fs (loop0): Cannot turn on quotas: -2 on 0 [ 48.723394][ T519] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 48.761135][ T519] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 48.790975][ T519] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 48.856867][ T515] F2FS-fs (loop3): Cannot turn on quotas: -2 on 0 [ 48.879960][ T515] F2FS-fs (loop3): Cannot turn on quotas: -2 on 1 [ 48.894812][ T515] F2FS-fs (loop3): Cannot turn on quotas: -2 on 2 [ 48.924594][ T515] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 49.055881][ T530] F2FS-fs (loop6): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.074490][ T530] F2FS-fs (loop6): Found nat_bits in checkpoint [ 49.098551][ T530] F2FS-fs (loop6): Cannot turn on quotas: -2 on 0 [ 49.105049][ T530] F2FS-fs (loop6): Cannot turn on quotas: -2 on 1 [ 49.111534][ T530] F2FS-fs (loop6): Cannot turn on quotas: -2 on 2 [ 49.122625][ T530] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 49.147572][ T543] F2FS-fs (loop1): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.169261][ T545] F2FS-fs (loop5): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.182989][ T543] F2FS-fs (loop1): Found nat_bits in checkpoint [ 49.232867][ T545] F2FS-fs (loop5): Found nat_bits in checkpoint [ 49.245274][ T543] F2FS-fs (loop1): Cannot turn on quotas: -2 on 0 [ 49.294784][ T543] F2FS-fs (loop1): Cannot turn on quotas: -2 on 1 [ 49.324668][ T543] F2FS-fs (loop1): Cannot turn on quotas: -2 on 2 [ 49.344412][ T543] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 49.393199][ T545] F2FS-fs (loop5): Cannot turn on quotas: -2 on 0 [ 49.420179][ T545] F2FS-fs (loop5): Cannot turn on quotas: -2 on 1 [ 49.430252][ T545] F2FS-fs (loop5): Cannot turn on quotas: -2 on 2 [ 49.460960][ T545] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 49.708813][ T556] F2FS-fs (loop0): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.749505][ T556] F2FS-fs (loop0): Found nat_bits in checkpoint [ 49.767986][ T564] F2FS-fs (loop6): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.776471][ T567] F2FS-fs (loop3): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.796563][ T564] F2FS-fs (loop6): Found nat_bits in checkpoint [ 49.807501][ T567] F2FS-fs (loop3): Found nat_bits in checkpoint [ 49.825812][ T574] F2FS-fs (loop5): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.839790][ T574] F2FS-fs (loop5): Found nat_bits in checkpoint [ 49.889464][ T576] F2FS-fs (loop1): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 49.904215][ T564] F2FS-fs (loop6): Cannot turn on quotas: -2 on 0 [ 49.910896][ T564] F2FS-fs (loop6): Cannot turn on quotas: -2 on 1 [ 49.917761][ T564] F2FS-fs (loop6): Cannot turn on quotas: -2 on 2 [ 49.925263][ T576] F2FS-fs (loop1): Found nat_bits in checkpoint [ 49.925451][ T564] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 49.957636][ T576] F2FS-fs (loop1): Cannot turn on quotas: -2 on 0 [ 49.964329][ T576] F2FS-fs (loop1): Cannot turn on quotas: -2 on 1 [ 49.965009][ T556] F2FS-fs (loop0): Cannot turn on quotas: -2 on 0 [ 49.970900][ T576] F2FS-fs (loop1): Cannot turn on quotas: -2 on 2 [ 49.984141][ T576] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 49.992963][ T556] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 49.999720][ T556] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 50.023181][ T567] F2FS-fs (loop3): Cannot turn on quotas: -2 on 0 [ 50.025194][ T556] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 50.030741][ T574] F2FS-fs (loop5): Cannot turn on quotas: -2 on 0 [ 50.038999][ T567] F2FS-fs (loop3): Cannot turn on quotas: -2 on 1 [ 50.045342][ T574] F2FS-fs (loop5): Cannot turn on quotas: -2 on 1 [ 50.050445][ T567] F2FS-fs (loop3): Cannot turn on quotas: -2 on 2 [ 50.061219][ T574] F2FS-fs (loop5): Cannot turn on quotas: -2 on 2 [ 50.063577][ T567] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 50.071839][ T574] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 50.819940][ T599] F2FS-fs (loop6): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 50.820985][ T605] F2FS-fs (loop1): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 50.829069][ T607] F2FS-fs (loop3): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 50.837675][ T599] F2FS-fs (loop6): Found nat_bits in checkpoint [ 50.846248][ T607] F2FS-fs (loop3): Found nat_bits in checkpoint [ 50.859521][ T609] F2FS-fs (loop5): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 50.869519][ T605] F2FS-fs (loop1): Found nat_bits in checkpoint [ 50.926676][ T605] F2FS-fs (loop1): Cannot turn on quotas: -2 on 0 [ 50.934168][ T609] F2FS-fs (loop5): Found nat_bits in checkpoint [ 50.935495][ T605] F2FS-fs (loop1): Cannot turn on quotas: -2 on 1 [ 50.947027][ T605] F2FS-fs (loop1): Cannot turn on quotas: -2 on 2 [ 50.953883][ T605] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 50.954995][ T599] F2FS-fs (loop6): Cannot turn on quotas: -2 on 0 [ 50.968208][ T603] F2FS-fs (loop0): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 50.977294][ T607] F2FS-fs (loop3): Cannot turn on quotas: -2 on 0 [ 50.983843][ T607] F2FS-fs (loop3): Cannot turn on quotas: -2 on 1 [ 50.984854][ T609] F2FS-fs (loop5): Cannot turn on quotas: -2 on 0 [ 50.997310][ T609] F2FS-fs (loop5): Cannot turn on quotas: -2 on 1 [ 51.004103][ T609] F2FS-fs (loop5): Cannot turn on quotas: -2 on 2 [ 51.010846][ T609] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 51.012450][ T599] F2FS-fs (loop6): Cannot turn on quotas: -2 on 1 2025/09/12 06:28:05 executed programs: 28 [ 51.019422][ T607] F2FS-fs (loop3): Cannot turn on quotas: -2 on 2 [ 51.032086][ T607] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 51.038528][ T599] F2FS-fs (loop6): Cannot turn on quotas: -2 on 2 [ 51.054944][ T603] F2FS-fs (loop0): Found nat_bits in checkpoint [ 51.057415][ T599] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 51.097031][ T603] F2FS-fs (loop0): Cannot turn on quotas: -2 on 0 [ 51.103626][ T603] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 51.110394][ T603] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 51.117476][ T603] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 51.667654][ T639] F2FS-fs (loop3): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 51.677247][ T639] F2FS-fs (loop3): Found nat_bits in checkpoint [ 51.695376][ T635] F2FS-fs (loop1): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 51.704969][ T635] F2FS-fs (loop1): Found nat_bits in checkpoint [ 51.707947][ T639] F2FS-fs (loop3): Cannot turn on quotas: -2 on 0 [ 51.717901][ T639] F2FS-fs (loop3): Cannot turn on quotas: -2 on 1 [ 51.724460][ T639] F2FS-fs (loop3): Cannot turn on quotas: -2 on 2 [ 51.731092][ T639] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 51.733750][ T635] F2FS-fs (loop1): Cannot turn on quotas: -2 on 0 [ 51.745266][ T635] F2FS-fs (loop1): Cannot turn on quotas: -2 on 1 [ 51.751962][ T635] F2FS-fs (loop1): Cannot turn on quotas: -2 on 2 [ 51.758644][ T635] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 51.812486][ T645] F2FS-fs (loop6): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 51.814428][ T641] F2FS-fs (loop0): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 51.829648][ T645] F2FS-fs (loop6): Found nat_bits in checkpoint [ 51.831771][ T641] F2FS-fs (loop0): Found nat_bits in checkpoint [ 51.851731][ T643] F2FS-fs (loop5): Ignore s_resuid=60929, s_resgid=0 w/o reserve_root [ 51.867818][ T641] F2FS-fs (loop0): Cannot turn on quotas: -2 on 0 [ 51.874864][ T641] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 51.881577][ T641] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 51.888609][ T641] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 51.908900][ T643] F2FS-fs (loop5): Found nat_bits in checkpoint [ 51.909579][ T645] F2FS-fs (loop6): Cannot turn on quotas: -2 on 0 [ 51.922100][ T645] F2FS-fs (loop6): Cannot turn on quotas: -2 on 1 [ 51.929174][ T645] F2FS-fs (loop6): Cannot turn on quotas: -2 on 2 [ 51.945985][ T645] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 51.953626][ T643] F2FS-fs (loop5): Cannot turn on quotas: -2 on 0 [ 51.960300][ T643] F2FS-fs (loop5): Cannot turn on quotas: -2 on 1 [ 51.967052][ T643] F2FS-fs (loop5): Cannot turn on quotas: -2 on 2 [ 51.973802][ T643] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 52.040886][ T672] ================================================================== [ 52.049008][ T672] BUG: KASAN: null-ptr-deref in kthread_stop+0x3a/0x3e0 [ 52.055949][ T672] Write of size 4 at addr 0000000000000020 by task syz.6.38/672 [ 52.063660][ T672] [ 52.065995][ T672] CPU: 1 PID: 672 Comm: syz.6.38 Not tainted syzkaller #0 [ 52.073207][ T672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 52.083268][ T672] Call Trace: [ 52.086568][ T672] __dump_stack+0x21/0x24 [ 52.090904][ T672] dump_stack_lvl+0x169/0x1d8 [ 52.095638][ T672] ? thaw_kernel_threads+0x220/0x220 [ 52.101000][ T672] ? show_regs_print_info+0x18/0x18 [ 52.106191][ T672] ? __wake_up+0x116/0x180 [ 52.111011][ T672] ? kthread_stop+0x3a/0x3e0 [ 52.115613][ T672] kasan_report+0xd8/0x130 [ 52.120130][ T672] ? f2fs_sanity_check_ckpt+0x23b0/0x23b0 [ 52.126683][ T672] ? kthread_stop+0x3a/0x3e0 [ 52.131273][ T672] kasan_check_range+0x280/0x290 [ 52.136310][ T672] __kasan_check_write+0x14/0x20 [ 52.141264][ T672] kthread_stop+0x3a/0x3e0 [ 52.145819][ T672] f2fs_stop_gc_thread+0x65/0xb0 [ 52.150857][ T672] __f2fs_ioctl+0x6f1b/0xca50 [ 52.155658][ T672] ? memcpy+0x56/0x70 [ 52.159909][ T672] ? avc_has_extended_perms+0x7f0/0xc30 [ 52.165538][ T672] ? __kasan_check_read+0x11/0x20 [ 52.170567][ T672] ? avc_ss_reset+0x280/0x280 [ 52.175245][ T672] ? try_to_wake_up+0x638/0xd70 [ 52.180089][ T672] ? f2fs_ioctl+0x240/0x240 [ 52.184588][ T672] ? wake_up_q+0x12c/0x1e0 [ 52.189179][ T672] ? futex_wake+0x4b4/0x550 [ 52.193676][ T672] ? do_vfs_ioctl+0x766/0x1510 [ 52.198515][ T672] ? __ia32_compat_sys_ioctl+0x7b0/0x7b0 [ 52.204163][ T672] ? has_cap_mac_admin+0x330/0x330 [ 52.209363][ T672] ? __kasan_slab_free+0x11/0x20 [ 52.214305][ T672] ? slab_free_freelist_hook+0xc5/0x190 [ 52.219886][ T672] ? putname+0xfe/0x150 [ 52.224084][ T672] ? kmem_cache_free+0x100/0x2d0 [ 52.229204][ T672] ? selinux_file_ioctl+0x377/0x480 [ 52.235174][ T672] ? selinux_file_alloc_security+0x120/0x120 [ 52.241511][ T672] ? __fget_files+0x2c4/0x320 [ 52.246274][ T672] f2fs_ioctl+0x149/0x240 [ 52.250683][ T672] ? f2fs_precache_extents+0x260/0x260 [ 52.256132][ T672] __se_sys_ioctl+0x121/0x1a0 [ 52.260796][ T672] __x64_sys_ioctl+0x7b/0x90 [ 52.265373][ T672] do_syscall_64+0x31/0x40 [ 52.269788][ T672] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.275770][ T672] RIP: 0033:0x7fc357d60169 [ 52.280179][ T672] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 52.300046][ T672] RSP: 002b:00007fc3577b1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.308454][ T672] RAX: ffffffffffffffda RBX: 00007fc357f79080 RCX: 00007fc357d60169 [ 52.316592][ T672] RDX: 0000200000000140 RSI: 000000008004587d RDI: 0000000000000005 [ 52.324821][ T672] RBP: 00007fc357de12a0 R08: 0000000000000000 R09: 0000000000000000 [ 52.332786][ T672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.340749][ T672] R13: 0000000000000000 R14: 00007fc357f79080 R15: 00007ffcb0212ca8 [ 52.348765][ T672] ================================================================== [ 52.356837][ T672] Disabling lock debugging due to kernel taint [ 52.385160][ T674] BUG: kernel NULL pointer dereference, address: 0000000000000020 [ 52.393134][ T674] #PF: supervisor write access in kernel mode [ 52.399211][ T674] #PF: error_code(0x0002) - not-present page [ 52.405186][ T674] PGD 11b7ae067 P4D 11b7ae067 PUD 0 [ 52.410577][ T674] Oops: 0002 [#1] PREEMPT SMP KASAN [ 52.415795][ T674] CPU: 0 PID: 674 Comm: syz.5.36 Tainted: G B syzkaller #0 [ 52.424448][ T674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 52.434724][ T674] RIP: 0010:kthread_stop+0x40/0x3e0 [ 52.440120][ T674] Code: 00 fc ff df e8 51 eb 21 00 0f 1f 44 00 00 e8 47 eb 21 00 4c 8d 73 20 4c 89 f7 be 04 00 00 00 e8 86 da 5b 00 41 bf 01 00 00 00 44 0f c1 7b 20 31 ff 44 89 fe e8 d0 ee 21 00 45 85 ff 0f 84 32 [ 52.459740][ T674] RSP: 0000:ffffc90001347898 EFLAGS: 00010202 [ 52.465995][ T674] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000286 [ 52.473970][ T674] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000020 [ 52.482045][ T674] RBP: ffffc900013478c0 R08: 0000000000000000 R09: ffffed102196e010 [ 52.490265][ T674] R10: ffffed102196e010 R11: 1ffff1102196e00f R12: 1ffff1102196e125 [ 52.498346][ T674] R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000001 [ 52.506335][ T674] FS: 00007fa80318d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.515282][ T674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.521891][ T674] CR2: 0000000000000020 CR3: 0000000128c6f000 CR4: 00000000003506b0 [ 52.529886][ T674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.537970][ T674] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.546065][ T674] Call Trace: [ 52.549372][ T674] f2fs_stop_gc_thread+0x65/0xb0 [ 52.554455][ T674] __f2fs_ioctl+0x6f1b/0xca50 [ 52.559159][ T674] ? plist_add+0x3e8/0x470 [ 52.563686][ T674] ? __kasan_check_read+0x11/0x20 [ 52.568756][ T674] ? memcpy+0x56/0x70 [ 52.572836][ T674] ? avc_has_extended_perms+0x7f0/0xc30 [ 52.578458][ T674] ? avc_ss_reset+0x280/0x280 [ 52.583298][ T674] ? futex_wait+0x526/0x680 [ 52.587791][ T674] ? f2fs_ioctl+0x240/0x240 [ 52.592559][ T674] ? do_futex+0x1210/0x1210 [ 52.597152][ T674] ? do_vfs_ioctl+0x766/0x1510 [ 52.601902][ T674] ? __ia32_compat_sys_ioctl+0x7b0/0x7b0 [ 52.607527][ T674] ? has_cap_mac_admin+0x330/0x330 [ 52.612618][ T674] ? __kasan_slab_free+0x11/0x20 [ 52.617532][ T674] ? slab_free_freelist_hook+0xc5/0x190 [ 52.623142][ T674] ? putname+0xfe/0x150 [ 52.627275][ T674] ? kmem_cache_free+0x100/0x2d0 [ 52.632284][ T674] ? selinux_file_ioctl+0x377/0x480 [ 52.637547][ T674] ? selinux_file_alloc_security+0x120/0x120 [ 52.643728][ T674] ? __fget_files+0x2c4/0x320 [ 52.648602][ T674] f2fs_ioctl+0x149/0x240 [ 52.653198][ T674] ? f2fs_precache_extents+0x260/0x260 [ 52.659005][ T674] __se_sys_ioctl+0x121/0x1a0 [ 52.663861][ T674] __x64_sys_ioctl+0x7b/0x90 [ 52.668726][ T674] do_syscall_64+0x31/0x40 [ 52.673329][ T674] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 52.679557][ T674] RIP: 0033:0x7fa80373c169 [ 52.683968][ T674] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 52.703789][ T674] RSP: 002b:00007fa80318d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.712471][ T674] RAX: ffffffffffffffda RBX: 00007fa803955080 RCX: 00007fa80373c169 [ 52.720444][ T674] RDX: 0000200000000140 RSI: 000000008004587d RDI: 0000000000000005 [ 52.728493][ T674] RBP: 00007fa8037bd2a0 R08: 0000000000000000 R09: 0000000000000000 [ 52.736475][ T674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.744528][ T674] R13: 0000000000000000 R14: 00007fa803955080 R15: 00007ffdd26e8b98 [ 52.753005][ T674] Modules linked in: [ 52.756894][ T674] CR2: 0000000000000020 [ 52.761040][ T674] ---[ end trace 0d5199306e131133 ]--- [ 52.761070][ T672] BUG: kernel NULL pointer dereference, address: 0000000000000020 [ 52.766509][ T674] RIP: 0010:kthread_stop+0x40/0x3e0 [ 52.774395][ T672] #PF: supervisor write access in kernel mode [ 52.779597][ T674] Code: 00 fc ff df e8 51 eb 21 00 0f 1f 44 00 00 e8 47 eb 21 00 4c 8d 73 20 4c 89 f7 be 04 00 00 00 e8 86 da 5b 00 41 bf 01 00 00 00 44 0f c1 7b 20 31 ff 44 89 fe e8 d0 ee 21 00 45 85 ff 0f 84 32 [ 52.785654][ T672] #PF: error_code(0x0002) - not-present page [ 52.805555][ T674] RSP: 0000:ffffc90001347898 EFLAGS: 00010202 [ 52.811602][ T672] PGD 11c94c067 [ 52.811606][ T674] [ 52.811620][ T674] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000286 [ 52.817668][ T672] P4D 11c94c067 [ 52.821204][ T674] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000020 [ 52.823562][ T672] PUD 0 [ 52.831642][ T674] RBP: ffffc900013478c0 R08: 0000000000000000 R09: ffffed102196e010 [ 52.835168][ T672] [ 52.843304][ T674] R10: ffffed102196e010 R11: 1ffff1102196e00f R12: 1ffff1102196e125 [ 52.846147][ T672] Oops: 0002 [#2] PREEMPT SMP KASAN [ 52.854101][ T674] R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000001 [ 52.856512][ T672] CPU: 1 PID: 672 Comm: syz.6.38 Tainted: G B D syzkaller #0 [ 52.864470][ T674] FS: 00007fa80318d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.869648][ T672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 52.877778][ T674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.886434][ T672] RIP: 0010:kthread_stop+0x40/0x3e0 [ 52.895520][ T674] CR2: 0000000000000020 CR3: 0000000128c6f000 CR4: 00000000003506b0 [ 52.905658][ T672] Code: 00 fc ff df e8 51 eb 21 00 0f 1f 44 00 00 e8 47 eb 21 00 4c 8d 73 20 4c 89 f7 be 04 00 00 00 e8 86 da 5b 00 41 bf 01 00 00 00 44 0f c1 7b 20 31 ff 44 89 fe e8 d0 ee 21 00 45 85 ff 0f 84 32 [ 52.912345][ T674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.917551][ T672] RSP: 0018:ffffc90001297898 EFLAGS: 00010246 [ 52.925526][ T674] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.945292][ T672] [ 52.953263][ T674] Kernel panic - not syncing: Fatal exception [ 52.959437][ T672] RAX: ffff888125d26200 RBX: 0000000000000000 RCX: 0000000000000286 [ 52.983933][ T672] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00000000ffffffff [ 52.991904][ T672] RBP: ffffc900012978c0 R08: 0000000000000004 R09: 0000000000000003 [ 52.999967][ T672] R10: fffffbfff0d8ee48 R11: 1ffffffff0d8ee48 R12: 1ffff11024ba7525 [ 53.008043][ T672] R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000001 [ 53.016035][ T672] FS: 00007fc3577b16c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.025692][ T672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.032283][ T672] CR2: 0000000000000020 CR3: 000000011a5f3000 CR4: 00000000003506a0 [ 53.040393][ T672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.048384][ T672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.056644][ T672] Call Trace: [ 53.060068][ T672] f2fs_stop_gc_thread+0x65/0xb0 [ 53.065364][ T672] __f2fs_ioctl+0x6f1b/0xca50 [ 53.070039][ T672] ? memcpy+0x56/0x70 [ 53.074028][ T672] ? avc_has_extended_perms+0x7f0/0xc30 [ 53.079664][ T672] ? __kasan_check_read+0x11/0x20 [ 53.084680][ T672] ? avc_ss_reset+0x280/0x280 [ 53.089377][ T672] ? try_to_wake_up+0x638/0xd70 [ 53.094224][ T672] ? f2fs_ioctl+0x240/0x240 [ 53.098722][ T672] ? wake_up_q+0x12c/0x1e0 [ 53.103136][ T672] ? futex_wake+0x4b4/0x550 [ 53.107653][ T672] ? do_vfs_ioctl+0x766/0x1510 [ 53.112613][ T672] ? __ia32_compat_sys_ioctl+0x7b0/0x7b0 [ 53.118525][ T672] ? has_cap_mac_admin+0x330/0x330 [ 53.123650][ T672] ? __kasan_slab_free+0x11/0x20 [ 53.128679][ T672] ? slab_free_freelist_hook+0xc5/0x190 [ 53.134301][ T672] ? putname+0xfe/0x150 [ 53.138454][ T672] ? kmem_cache_free+0x100/0x2d0 [ 53.143390][ T672] ? selinux_file_ioctl+0x377/0x480 [ 53.148640][ T672] ? selinux_file_alloc_security+0x120/0x120 [ 53.154636][ T672] ? __fget_files+0x2c4/0x320 [ 53.159454][ T672] f2fs_ioctl+0x149/0x240 [ 53.163803][ T672] ? f2fs_precache_extents+0x260/0x260 [ 53.169664][ T672] __se_sys_ioctl+0x121/0x1a0 [ 53.174375][ T672] __x64_sys_ioctl+0x7b/0x90 [ 53.179066][ T672] do_syscall_64+0x31/0x40 [ 53.183490][ T672] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 53.189464][ T672] RIP: 0033:0x7fc357d60169 [ 53.193877][ T672] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 53.213690][ T672] RSP: 002b:00007fc3577b1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.222105][ T672] RAX: ffffffffffffffda RBX: 00007fc357f79080 RCX: 00007fc357d60169 [ 53.230280][ T672] RDX: 0000200000000140 RSI: 000000008004587d RDI: 0000000000000005 [ 53.238354][ T672] RBP: 00007fc357de12a0 R08: 0000000000000000 R09: 0000000000000000 [ 53.246582][ T672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.254575][ T672] R13: 0000000000000000 R14: 00007fc357f79080 R15: 00007ffcb0212ca8 [ 53.262551][ T672] Modules linked in: [ 53.266446][ T672] CR2: 0000000000000020 [ 53.270600][ T672] ---[ end trace 0d5199306e131134 ]--- [ 53.276062][ T672] RIP: 0010:kthread_stop+0x40/0x3e0 [ 53.281255][ T672] Code: 00 fc ff df e8 51 eb 21 00 0f 1f 44 00 00 e8 47 eb 21 00 4c 8d 73 20 4c 89 f7 be 04 00 00 00 e8 86 da 5b 00 41 bf 01 00 00 00 44 0f c1 7b 20 31 ff 44 89 fe e8 d0 ee 21 00 45 85 ff 0f 84 32 [ 53.300856][ T672] RSP: 0000:ffffc90001347898 EFLAGS: 00010202 [ 53.306932][ T672] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000286 [ 53.314914][ T672] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000020 [ 53.322989][ T672] RBP: ffffc900013478c0 R08: 0000000000000000 R09: ffffed102196e010 [ 53.330983][ T672] R10: ffffed102196e010 R11: 1ffff1102196e00f R12: 1ffff1102196e125 [ 53.339054][ T672] R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000001 [ 53.347160][ T672] FS: 00007fc3577b16c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.356296][ T672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.362884][ T672] CR2: 0000000000000020 CR3: 000000011a5f3000 CR4: 00000000003506a0 [ 53.371378][ T672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.379529][ T672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.100598][ T674] Shutting down cpus with NMI [ 54.105638][ T674] Kernel Offset: disabled [ 54.109996][ T674] Rebooting in 86400 seconds..