Warning: Permanently added '10.128.1.91' (ED25519) to the list of known hosts. 2026/05/06 04:49:40 parsed 1 programs [ 47.971206][ T28] audit: type=1400 audit(1778042981.105:107): avc: denied { unlink } for pid=406 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 48.029851][ T406] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.718525][ T28] audit: type=1400 audit(1778042981.845:108): avc: denied { create } for pid=415 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 48.962247][ T28] audit: type=1401 audit(1778042982.095:109): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 49.150482][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.157866][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.167807][ T441] device bridge_slave_0 entered promiscuous mode [ 49.199674][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.230431][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.256303][ T441] device bridge_slave_1 entered promiscuous mode [ 49.421028][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.428313][ T441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.436390][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.443650][ T441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.471150][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.479451][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.489034][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.511664][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.521266][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.529286][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.537250][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.546206][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.553903][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.562300][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.570961][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.584275][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.597395][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.606342][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.614869][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.624587][ T441] device veth0_vlan entered promiscuous mode [ 49.634759][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.644819][ T441] device veth1_macvtap entered promiscuous mode [ 49.654604][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/05/06 04:49:42 executed programs: 0 [ 49.670348][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.725520][ T441] syz-executor (441) used greatest stack depth: 21984 bytes left [ 49.894896][ T471] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.903288][ T471] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.912005][ T471] device bridge_slave_0 entered promiscuous mode [ 49.938323][ T471] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.945650][ T471] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.953784][ T471] device bridge_slave_1 entered promiscuous mode [ 50.068638][ T474] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.076601][ T474] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.084523][ T474] device bridge_slave_0 entered promiscuous mode [ 50.093590][ T474] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.100775][ T474] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.108375][ T474] device bridge_slave_1 entered promiscuous mode [ 50.125499][ T472] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.132809][ T472] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.140740][ T472] device bridge_slave_0 entered promiscuous mode [ 50.160893][ T477] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.169267][ T477] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.177498][ T477] device bridge_slave_0 entered promiscuous mode [ 50.185010][ T472] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.192441][ T472] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.200293][ T472] device bridge_slave_1 entered promiscuous mode [ 50.211210][ T477] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.218913][ T477] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.227139][ T477] device bridge_slave_1 entered promiscuous mode [ 50.307336][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.315147][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.323449][ T476] device bridge_slave_0 entered promiscuous mode [ 50.353196][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.360996][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.369635][ T476] device bridge_slave_1 entered promiscuous mode [ 50.487209][ T474] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.495027][ T474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.503014][ T474] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.510460][ T474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.582633][ T477] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.589882][ T477] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.597618][ T477] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.605037][ T477] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.616352][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.624627][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.632581][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.641155][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.648791][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.663388][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.672235][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.702381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.712601][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.719827][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.727695][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.737057][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.745022][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.754679][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.764429][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.773773][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.781290][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.796191][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.831607][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.840219][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.863637][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.872581][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.881366][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.888757][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.896709][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.906071][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.913593][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.921635][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.930858][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.939557][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.946968][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.964047][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.972003][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.979884][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.989372][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.996755][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.005684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.015108][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.022997][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.031123][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.039627][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.048512][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.060288][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.069087][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.101573][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.111172][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.123687][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.131283][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.139424][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.148632][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.158127][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.165912][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.174077][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.183058][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.192197][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.201080][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.209941][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.218414][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.227097][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.235905][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.244942][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.253816][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.262263][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.271022][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.289394][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.298336][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.316099][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.325435][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.347639][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.356230][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.370283][ T472] device veth0_vlan entered promiscuous mode [ 51.378123][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.387105][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.396222][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.404419][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.414104][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.423417][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.438452][ T476] device veth0_vlan entered promiscuous mode [ 51.454141][ T474] device veth0_vlan entered promiscuous mode [ 51.461389][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.470091][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.478440][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.487014][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.495711][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.504644][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.512447][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.533563][ T472] device veth1_macvtap entered promiscuous mode [ 51.551226][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.560149][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.570260][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.579379][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.588397][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.597982][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.607249][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.615852][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.624733][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.632705][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.640312][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.648224][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.656626][ T471] device veth0_vlan entered promiscuous mode [ 51.666522][ T476] device veth1_macvtap entered promiscuous mode [ 51.674566][ T477] device veth0_vlan entered promiscuous mode [ 51.684305][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.697885][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.707244][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.719726][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.729172][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.749455][ T471] device veth1_macvtap entered promiscuous mode [ 51.758552][ T474] device veth1_macvtap entered promiscuous mode [ 51.770614][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.781986][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.791422][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.800915][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.810341][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.820288][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.829906][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.838678][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.848155][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.856933][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.883270][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.893198][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.902253][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.912806][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.923085][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.932507][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.941212][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.949797][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.960102][ T477] device veth1_macvtap entered promiscuous mode [ 52.001636][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.019416][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.028312][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.091616][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.120759][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.150825][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.170702][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.242056][ T41] device bridge_slave_1 left promiscuous mode [ 52.258935][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.289585][ T41] device bridge_slave_0 left promiscuous mode [ 52.300508][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.330893][ T41] device veth1_macvtap left promiscuous mode [ 52.337794][ T41] device veth0_vlan left promiscuous mode [ 53.381459][ T495] loop3: detected capacity change from 0 to 131072 [ 53.393886][ T495] ======================================================= [ 53.393886][ T495] WARNING: The mand mount option has been deprecated and [ 53.393886][ T495] and is ignored by this kernel. Remove the mand [ 53.393886][ T495] option from the mount to silence this warning. [ 53.393886][ T495] ======================================================= [ 53.485262][ T501] loop6: detected capacity change from 0 to 131072 [ 53.506851][ T496] loop1: detected capacity change from 0 to 131072 [ 53.517132][ T495] F2FS-fs (loop3): invalid crc value [ 53.531074][ T501] F2FS-fs (loop6): invalid crc value [ 53.552959][ T496] F2FS-fs (loop1): invalid crc value [ 53.581371][ T495] F2FS-fs (loop3): Found nat_bits in checkpoint [ 53.586415][ T500] loop5: detected capacity change from 0 to 131072 [ 53.595908][ T501] F2FS-fs (loop6): Found nat_bits in checkpoint [ 53.607172][ T496] F2FS-fs (loop1): Found nat_bits in checkpoint [ 53.636787][ T500] F2FS-fs (loop5): invalid crc value [ 53.697245][ T500] F2FS-fs (loop5): Found nat_bits in checkpoint [ 53.703319][ T503] loop4: detected capacity change from 0 to 131072 [ 53.704077][ T501] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 53.725034][ T28] audit: type=1400 audit(1778042986.855:110): avc: denied { mount } for pid=498 comm="syz.6.18" name="/" dev="loop6" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 53.752857][ T495] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 53.760866][ T501] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 53.762450][ T503] F2FS-fs (loop4): invalid crc value [ 53.779045][ T501] CPU: 1 PID: 501 Comm: syz.6.18 Not tainted syzkaller #0 [ 53.787771][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 53.798636][ T495] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 53.799977][ T501] Call Trace: [ 53.799994][ T501] [ 53.800002][ T501] __dump_stack+0x21/0x24 [ 53.819013][ T501] dump_stack_lvl+0x110/0x170 [ 53.824089][ T501] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.829226][ T501] ? __kasan_check_write+0x14/0x20 [ 53.834632][ T501] dump_stack+0x15/0x24 [ 53.839107][ T501] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 53.845034][ T501] f2fs_is_valid_blkaddr+0x23/0x30 [ 53.850543][ T501] sanity_check_extent_cache+0x1c5/0x480 [ 53.856807][ T501] f2fs_iget+0x3467/0x4e40 [ 53.861766][ T501] f2fs_lookup+0x3a9/0xab0 [ 53.866494][ T501] ? __cfi_f2fs_lookup+0x10/0x10 [ 53.872195][ T501] ? __cfi_d_alloc_parallel+0x10/0x10 [ 53.878165][ T501] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 53.885738][ T501] ? downgrade_write+0x370/0x370 [ 53.891458][ T501] __lookup_slow+0x2d5/0x410 [ 53.896902][ T501] ? lookup_one_len+0x2e0/0x2e0 [ 53.902680][ T501] ? down_read+0xa6/0xf0 [ 53.907646][ T501] lookup_slow+0x57/0x70 [ 53.912908][ T501] walk_component+0x2f4/0x420 [ 53.918159][ T501] path_lookupat+0x180/0x490 [ 53.923349][ T501] filename_lookup+0x224/0x560 [ 53.929317][ T501] ? __cfi_filename_lookup+0x10/0x10 [ 53.935822][ T501] ? strncpy_from_user+0x17a/0x2d0 [ 53.941414][ T501] user_path_at_empty+0x47/0x1c0 [ 53.946892][ T501] do_sys_truncate+0xb6/0x1c0 [ 53.951932][ T501] ? __cfi_do_sys_truncate+0x10/0x10 [ 53.957318][ T501] ? fpregs_restore_userregs+0x128/0x260 [ 53.963050][ T501] __x64_sys_truncate+0x5b/0x70 [ 53.968719][ T501] x64_sys_call+0x679/0x9a0 [ 53.973945][ T501] do_syscall_64+0x4c/0xa0 [ 53.978933][ T501] ? clear_bhb_loop+0x30/0x80 [ 53.984091][ T501] ? clear_bhb_loop+0x30/0x80 [ 53.989158][ T501] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.990816][ T496] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 53.995691][ T501] RIP: 0033:0x7f4a64d99079 [ 53.995720][ 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 [ 53.995735][ T501] RSP: 002b:00007f4a65bac028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 54.047360][ T501] RAX: ffffffffffffffda RBX: 00007f4a64fc5fa0 RCX: 00007f4a64d99079 [ 54.056468][ T501] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 54.065783][ T501] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 54.074911][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.083857][ T501] R13: 0000000000000000 R14: 00007f4a64fc5fa0 R15: 00007ffc99ba9658 [ 54.092201][ T501] [ 54.095325][ T495] CPU: 0 PID: 495 Comm: syz.3.19 Not tainted syzkaller #0 [ 54.096866][ T501] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 54.103333][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 54.103345][ T495] Call Trace: [ 54.103351][ T495] [ 54.103358][ T495] __dump_stack+0x21/0x24 [ 54.139079][ T495] dump_stack_lvl+0x110/0x170 [ 54.141009][ T500] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 54.143859][ T495] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.153163][ T496] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 54.157671][ T495] ? __kasan_check_write+0x14/0x20 [ 54.165724][ T500] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 54.170075][ T495] dump_stack+0x15/0x24 [ 54.181704][ T495] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 54.187792][ T495] f2fs_is_valid_blkaddr+0x23/0x30 [ 54.193179][ T495] sanity_check_extent_cache+0x1c5/0x480 [ 54.199353][ T495] f2fs_iget+0x3467/0x4e40 [ 54.204219][ T495] f2fs_lookup+0x3a9/0xab0 [ 54.209340][ T495] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.214586][ T495] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.220320][ T495] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 54.226407][ T495] ? downgrade_write+0x370/0x370 [ 54.231569][ T495] __lookup_slow+0x2d5/0x410 [ 54.236373][ T495] ? lookup_one_len+0x2e0/0x2e0 [ 54.241412][ T495] ? down_read+0xa6/0xf0 [ 54.245974][ T495] lookup_slow+0x57/0x70 [ 54.250583][ T495] walk_component+0x2f4/0x420 [ 54.255734][ T495] path_lookupat+0x180/0x490 [ 54.260903][ T495] filename_lookup+0x224/0x560 [ 54.266832][ T495] ? __cfi_filename_lookup+0x10/0x10 [ 54.273101][ T495] ? strncpy_from_user+0x17a/0x2d0 [ 54.279228][ T495] user_path_at_empty+0x47/0x1c0 [ 54.284659][ T495] do_sys_truncate+0xb6/0x1c0 [ 54.291018][ T495] ? __cfi_do_sys_truncate+0x10/0x10 [ 54.297650][ T495] ? fpregs_restore_userregs+0x128/0x260 [ 54.304091][ T495] __x64_sys_truncate+0x5b/0x70 [ 54.309421][ T495] x64_sys_call+0x679/0x9a0 [ 54.314472][ T495] do_syscall_64+0x4c/0xa0 [ 54.318985][ T495] ? clear_bhb_loop+0x30/0x80 [ 54.323863][ T495] ? clear_bhb_loop+0x30/0x80 [ 54.328813][ T495] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.335068][ T495] RIP: 0033:0x7f6f48799079 [ 54.339998][ 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 [ 54.360567][ T495] RSP: 002b:00007f6f495be028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 54.369954][ T495] RAX: ffffffffffffffda RBX: 00007f6f489c5fa0 RCX: 00007f6f48799079 [ 54.378615][ T495] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 54.387034][ T495] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 54.395356][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.404295][ T495] R13: 0000000000000000 R14: 00007f6f489c5fa0 R15: 00007ffd8a31bf28 [ 54.413152][ T495] [ 54.416520][ T500] CPU: 1 PID: 500 Comm: syz.5.16 Not tainted syzkaller #0 [ 54.423855][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 54.429531][ T519] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 54.434365][ T500] Call Trace: [ 54.434375][ T500] [ 54.434381][ T500] __dump_stack+0x21/0x24 [ 54.434408][ T500] dump_stack_lvl+0x110/0x170 [ 54.434426][ T500] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.434445][ T500] ? __kasan_check_write+0x14/0x20 [ 54.434465][ T500] dump_stack+0x15/0x24 [ 54.434482][ T500] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 54.434507][ T500] f2fs_is_valid_blkaddr+0x23/0x30 [ 54.434530][ T500] sanity_check_extent_cache+0x1c5/0x480 [ 54.434558][ T500] f2fs_iget+0x3467/0x4e40 [ 54.434582][ T500] f2fs_lookup+0x3a9/0xab0 [ 54.434602][ T500] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.434623][ T500] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.434640][ T500] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 54.516256][ T500] ? downgrade_write+0x370/0x370 [ 54.521312][ T500] __lookup_slow+0x2d5/0x410 [ 54.526215][ T500] ? lookup_one_len+0x2e0/0x2e0 [ 54.531171][ T500] ? down_read+0xa6/0xf0 [ 54.535613][ T500] lookup_slow+0x57/0x70 [ 54.539957][ T500] walk_component+0x2f4/0x420 [ 54.544731][ T500] path_lookupat+0x180/0x490 [ 54.549853][ T500] filename_lookup+0x224/0x560 [ 54.555053][ T500] ? __cfi_filename_lookup+0x10/0x10 [ 54.560797][ T500] ? strncpy_from_user+0x17a/0x2d0 [ 54.566679][ T500] user_path_at_empty+0x47/0x1c0 [ 54.571911][ T500] do_sys_truncate+0xb6/0x1c0 [ 54.577142][ T500] ? __cfi_do_sys_truncate+0x10/0x10 [ 54.582613][ T500] ? fpregs_restore_userregs+0x128/0x260 [ 54.588554][ T500] __x64_sys_truncate+0x5b/0x70 [ 54.593415][ T500] x64_sys_call+0x679/0x9a0 [ 54.598323][ T500] do_syscall_64+0x4c/0xa0 [ 54.602766][ T500] ? clear_bhb_loop+0x30/0x80 [ 54.607551][ T500] ? clear_bhb_loop+0x30/0x80 [ 54.612261][ T500] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.618197][ T500] RIP: 0033:0x7f504f199079 [ 54.622968][ T500] 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 [ 54.643108][ T500] RSP: 002b:00007f5050057028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 54.651980][ T500] RAX: ffffffffffffffda RBX: 00007f504f3c5fa0 RCX: 00007f504f199079 [ 54.660231][ T500] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 54.668402][ T500] RBP: 00007f504f22ba4c R08: 0000000000000000 R09: 0000000000000000 [ 54.676759][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.685243][ T500] R13: 0000000000000000 R14: 00007f504f3c5fa0 R15: 00007ffc4ae1ad28 [ 54.693236][ T500] [ 54.696439][ T519] CPU: 0 PID: 519 Comm: syz.6.18 Not tainted syzkaller #0 [ 54.697330][ T500] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 54.704008][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 54.704021][ T519] Call Trace: [ 54.704026][ T519] [ 54.704032][ T519] __dump_stack+0x21/0x24 [ 54.704057][ T519] dump_stack_lvl+0x110/0x170 [ 54.743666][ T519] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.747770][ T495] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 54.748802][ T519] ? kmem_cache_alloc+0x256/0x330 [ 54.768940][ T519] ? __kasan_check_write+0x14/0x20 [ 54.775028][ T519] dump_stack+0x15/0x24 [ 54.779976][ T519] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 54.786591][ T519] f2fs_is_valid_blkaddr+0x23/0x30 [ 54.793393][ T519] sanity_check_extent_cache+0x1c5/0x480 [ 54.802150][ T519] f2fs_iget+0x3467/0x4e40 [ 54.808266][ T519] f2fs_lookup+0x3a9/0xab0 [ 54.813405][ T519] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.818547][ T519] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.824316][ T519] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.829271][ T519] path_openat+0x1006/0x2f80 [ 54.834180][ T519] ? do_filp_open+0x430/0x430 [ 54.839074][ T519] do_filp_open+0x1f1/0x430 [ 54.843934][ T519] ? __cfi_do_filp_open+0x10/0x10 [ 54.849310][ T519] ? alloc_fd+0x4e6/0x590 [ 54.853914][ T519] do_sys_openat2+0x15e/0x810 [ 54.858949][ T519] ? __kasan_check_write+0x14/0x20 [ 54.864152][ T519] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 54.869902][ T519] ? do_sys_open+0xe0/0xe0 [ 54.874668][ T519] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 54.880488][ T519] ? do_user_addr_fault+0x9ac/0x1050 [ 54.885901][ T519] __x64_sys_openat+0x136/0x160 [ 54.891085][ T519] x64_sys_call+0x783/0x9a0 [ 54.895856][ T519] do_syscall_64+0x4c/0xa0 [ 54.900784][ T519] ? clear_bhb_loop+0x30/0x80 [ 54.906191][ T519] ? clear_bhb_loop+0x30/0x80 [ 54.911331][ T519] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.917851][ T519] RIP: 0033:0x7f4a64d99079 [ 54.922885][ T519] 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 [ 54.944786][ T519] RSP: 002b:00007f4a65b8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 54.953736][ T519] RAX: ffffffffffffffda RBX: 00007f4a64fc6080 RCX: 00007f4a64d99079 [ 54.962078][ T519] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 54.970490][ T519] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 54.978729][ T519] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 54.987233][ T519] R13: 0000000000000001 R14: 00007f4a64fc6080 R15: 00007ffc99ba9658 [ 54.995825][ T519] [ 54.999286][ T496] CPU: 1 PID: 496 Comm: syz.1.17 Not tainted syzkaller #0 [ 55.004995][ T519] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 55.007097][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 55.007109][ T496] Call Trace: [ 55.037478][ T496] [ 55.040600][ T496] __dump_stack+0x21/0x24 [ 55.045114][ T496] dump_stack_lvl+0x110/0x170 [ 55.049880][ T496] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.055347][ T496] ? __kasan_check_write+0x14/0x20 [ 55.060696][ T496] dump_stack+0x15/0x24 [ 55.064956][ T496] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 55.070861][ T496] f2fs_is_valid_blkaddr+0x23/0x30 [ 55.076471][ T496] sanity_check_extent_cache+0x1c5/0x480 [ 55.082664][ T496] f2fs_iget+0x3467/0x4e40 [ 55.087268][ T496] f2fs_lookup+0x3a9/0xab0 [ 55.091783][ T496] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.096922][ T496] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.102397][ T496] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 55.108420][ T496] ? downgrade_write+0x370/0x370 [ 55.113465][ T496] __lookup_slow+0x2d5/0x410 [ 55.118374][ T496] ? lookup_one_len+0x2e0/0x2e0 [ 55.124553][ T496] ? down_read+0xa6/0xf0 [ 55.128834][ T496] lookup_slow+0x57/0x70 [ 55.133495][ T496] walk_component+0x2f4/0x420 [ 55.138457][ T496] path_lookupat+0x180/0x490 [ 55.143481][ T496] filename_lookup+0x224/0x560 [ 55.148950][ T496] ? __cfi_filename_lookup+0x10/0x10 [ 55.154416][ T496] ? strncpy_from_user+0x17a/0x2d0 [ 55.160149][ T496] user_path_at_empty+0x47/0x1c0 [ 55.165366][ T496] do_sys_truncate+0xb6/0x1c0 [ 55.171621][ T496] ? __cfi_do_sys_truncate+0x10/0x10 [ 55.177802][ T496] ? fpregs_restore_userregs+0x128/0x260 [ 55.184150][ T496] __x64_sys_truncate+0x5b/0x70 [ 55.189436][ T496] x64_sys_call+0x679/0x9a0 [ 55.194459][ T496] do_syscall_64+0x4c/0xa0 [ 55.199637][ T496] ? clear_bhb_loop+0x30/0x80 [ 55.204703][ T496] ? clear_bhb_loop+0x30/0x80 [ 55.209994][ T496] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.216160][ T496] RIP: 0033:0x7f924a599079 [ 55.220666][ T496] 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 [ 55.241490][ T496] RSP: 002b:00007f924b4bd028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 55.250268][ T496] RAX: ffffffffffffffda RBX: 00007f924a7c5fa0 RCX: 00007f924a599079 [ 55.259567][ T496] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 55.267913][ T496] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 55.276422][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.284574][ T496] R13: 0000000000000000 R14: 00007f924a7c5fa0 R15: 00007fff265f77e8 [ 55.292662][ T496] 2026/05/06 04:49:48 executed programs: 15 [ 55.297222][ T496] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 55.297995][ T503] F2FS-fs (loop4): Failed to initialize F2FS segment manager (-4) [ 55.313562][ T520] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 55.328482][ T525] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 55.328613][ T520] CPU: 0 PID: 520 Comm: syz.3.19 Not tainted syzkaller #0 [ 55.342922][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 55.353679][ T520] Call Trace: [ 55.357072][ T520] [ 55.360627][ T520] __dump_stack+0x21/0x24 [ 55.365405][ T520] dump_stack_lvl+0x110/0x170 [ 55.370262][ T520] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.375820][ T520] ? mutex_unlock+0x8f/0x230 [ 55.380511][ T520] ? __kasan_check_write+0x14/0x20 [ 55.385727][ T520] dump_stack+0x15/0x24 [ 55.390078][ T520] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 55.395729][ T520] f2fs_is_valid_blkaddr+0x23/0x30 [ 55.401113][ T520] sanity_check_extent_cache+0x1c5/0x480 [ 55.406846][ T520] f2fs_iget+0x3467/0x4e40 [ 55.411638][ T520] f2fs_lookup+0x3a9/0xab0 [ 55.416239][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.421554][ T520] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.427462][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.432836][ T520] path_openat+0x1006/0x2f80 [ 55.437703][ T520] ? do_filp_open+0x430/0x430 [ 55.442550][ T520] do_filp_open+0x1f1/0x430 [ 55.447420][ T520] ? __cfi_do_filp_open+0x10/0x10 [ 55.452463][ T520] ? alloc_fd+0x4e6/0x590 [ 55.456815][ T520] do_sys_openat2+0x15e/0x810 [ 55.461671][ T520] ? __kasan_check_write+0x14/0x20 [ 55.466963][ T520] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 55.472696][ T520] ? do_sys_open+0xe0/0xe0 [ 55.477204][ T520] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 55.482847][ T520] ? do_user_addr_fault+0x9ac/0x1050 [ 55.488150][ T520] __x64_sys_openat+0x136/0x160 [ 55.493006][ T520] x64_sys_call+0x783/0x9a0 [ 55.497862][ T520] do_syscall_64+0x4c/0xa0 [ 55.502560][ T520] ? clear_bhb_loop+0x30/0x80 [ 55.507681][ T520] ? clear_bhb_loop+0x30/0x80 [ 55.512386][ T520] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.518560][ T520] RIP: 0033:0x7f6f48799079 [ 55.523168][ T520] 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 [ 55.543936][ T520] RSP: 002b:00007f6f4959d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.552889][ T520] RAX: ffffffffffffffda RBX: 00007f6f489c6080 RCX: 00007f6f48799079 [ 55.561738][ T520] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 55.570763][ T520] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 55.579468][ T520] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 55.587796][ T520] R13: 0000000000000001 R14: 00007f6f489c6080 R15: 00007ffd8a31bf28 [ 55.596049][ T520] [ 55.599100][ T525] CPU: 1 PID: 525 Comm: syz.5.16 Not tainted syzkaller #0 [ 55.606688][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 55.617461][ T525] Call Trace: [ 55.620841][ T525] [ 55.623782][ T525] __dump_stack+0x21/0x24 [ 55.628205][ T525] dump_stack_lvl+0x110/0x170 [ 55.633321][ T525] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.639345][ T525] ? mutex_unlock+0x8f/0x230 [ 55.644238][ T525] ? __kasan_check_write+0x14/0x20 [ 55.649468][ T525] dump_stack+0x15/0x24 [ 55.653815][ T525] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 55.659856][ T525] f2fs_is_valid_blkaddr+0x23/0x30 [ 55.665333][ T525] sanity_check_extent_cache+0x1c5/0x480 [ 55.671276][ T525] f2fs_iget+0x3467/0x4e40 [ 55.675963][ T525] f2fs_lookup+0x3a9/0xab0 [ 55.680576][ T525] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.685605][ T525] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.691200][ T525] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.696241][ T525] path_openat+0x1006/0x2f80 [ 55.701111][ T525] ? do_filp_open+0x430/0x430 [ 55.706021][ T525] do_filp_open+0x1f1/0x430 [ 55.710612][ T525] ? __cfi_do_filp_open+0x10/0x10 [ 55.716031][ T525] ? alloc_fd+0x4e6/0x590 [ 55.720558][ T525] do_sys_openat2+0x15e/0x810 [ 55.725392][ T525] ? __kasan_check_write+0x14/0x20 [ 55.731065][ T525] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 55.736717][ T525] ? do_sys_open+0xe0/0xe0 [ 55.741427][ T525] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 55.747713][ T525] ? do_user_addr_fault+0x9ac/0x1050 [ 55.753693][ T525] __x64_sys_openat+0x136/0x160 [ 55.758790][ T525] x64_sys_call+0x783/0x9a0 [ 55.763471][ T525] do_syscall_64+0x4c/0xa0 [ 55.768257][ T525] ? clear_bhb_loop+0x30/0x80 [ 55.773158][ T525] ? clear_bhb_loop+0x30/0x80 [ 55.778143][ T525] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.784309][ T525] RIP: 0033:0x7f504f199079 [ 55.788953][ T525] 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 [ 55.810227][ T525] RSP: 002b:00007f5050036028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.818996][ T525] RAX: ffffffffffffffda RBX: 00007f504f3c6080 RCX: 00007f504f199079 [ 55.827530][ T525] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 55.835856][ T525] RBP: 00007f504f22ba4c R08: 0000000000000000 R09: 0000000000000000 [ 55.844185][ T525] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 55.852704][ T525] R13: 0000000000000001 R14: 00007f504f3c6080 R15: 00007ffc4ae1ad28 [ 55.861034][ T525] [ 55.864918][ T524] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 55.870441][ T520] ================================================================== [ 55.880149][ T520] BUG: KASAN: use-after-free in sanity_check_extent_cache+0x3d2/0x480 [ 55.881343][ T524] CPU: 0 PID: 524 Comm: syz.1.17 Not tainted syzkaller #0 [ 55.888447][ T520] Read of size 4 at addr ffff888123ca6ed0 by task syz.3.19/520 [ 55.895917][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 55.895930][ T524] Call Trace: [ 55.895936][ T524] [ 55.903744][ T520] [ 55.924941][ T524] __dump_stack+0x21/0x24 [ 55.929378][ T524] dump_stack_lvl+0x110/0x170 [ 55.934506][ T524] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.939710][ T524] ? __f2fs_is_valid_blkaddr+0xcc4/0x1490 [ 55.945821][ T524] dump_stack+0x15/0x24 [ 55.950070][ T524] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 55.955797][ T524] f2fs_is_valid_blkaddr+0x23/0x30 [ 55.961186][ T524] sanity_check_extent_cache+0x1c5/0x480 [ 55.967297][ T524] f2fs_iget+0x3467/0x4e40 [ 55.972000][ T524] f2fs_lookup+0x3a9/0xab0 [ 55.976607][ T524] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.981730][ T524] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.987479][ T524] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.992590][ T524] path_openat+0x1006/0x2f80 [ 55.997384][ T524] ? do_filp_open+0x430/0x430 [ 56.002245][ T524] do_filp_open+0x1f1/0x430 [ 56.007201][ T524] ? __cfi_do_filp_open+0x10/0x10 [ 56.012775][ T524] ? alloc_fd+0x4e6/0x590 [ 56.017759][ T524] do_sys_openat2+0x15e/0x810 [ 56.023009][ T524] ? __kasan_check_write+0x14/0x20 [ 56.028528][ T524] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 56.034443][ T524] ? do_sys_open+0xe0/0xe0 [ 56.039452][ T524] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 56.045632][ T524] ? do_user_addr_fault+0x9ac/0x1050 [ 56.051016][ T524] __x64_sys_openat+0x136/0x160 [ 56.055977][ T524] x64_sys_call+0x783/0x9a0 [ 56.060605][ T524] do_syscall_64+0x4c/0xa0 [ 56.065374][ T524] ? clear_bhb_loop+0x30/0x80 [ 56.070359][ T524] ? clear_bhb_loop+0x30/0x80 [ 56.075438][ T524] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.081592][ T524] RIP: 0033:0x7f924a599079 [ 56.086197][ T524] 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 [ 56.107117][ T524] RSP: 002b:00007f924b49c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 56.115907][ T524] RAX: ffffffffffffffda RBX: 00007f924a7c6080 RCX: 00007f924a599079 [ 56.124748][ T524] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 56.133315][ T524] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 56.141746][ T524] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 56.150259][ T524] R13: 0000000000000001 R14: 00007f924a7c6080 R15: 00007fff265f77e8 [ 56.158602][ T524] [ 56.162353][ T520] CPU: 1 PID: 520 Comm: syz.3.19 Not tainted syzkaller #0 [ 56.163015][ T525] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 56.170605][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 56.170628][ T520] Call Trace: [ 56.170636][ T520] [ 56.170644][ T520] __dump_stack+0x21/0x24 [ 56.170674][ T520] dump_stack_lvl+0x110/0x170 [ 56.170692][ T520] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.170709][ T520] ? dump_stack_lvl+0x144/0x170 [ 56.170727][ T520] ? sanity_check_extent_cache+0x3d2/0x480 [ 56.200531][ T524] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 56.203515][ T520] print_address_description+0x71/0x200 [ 56.203558][ T520] print_report+0x4a/0x60 [ 56.203573][ T520] kasan_report+0x122/0x150 [ 56.258746][ T520] ? sanity_check_extent_cache+0x3d2/0x480 [ 56.265065][ T520] __asan_report_load4_noabort+0x14/0x20 [ 56.271608][ T520] sanity_check_extent_cache+0x3d2/0x480 [ 56.277369][ T520] f2fs_iget+0x3467/0x4e40 [ 56.281909][ T520] f2fs_lookup+0x3a9/0xab0 [ 56.286455][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 56.291811][ T520] ? __cfi_d_alloc_parallel+0x10/0x10 [ 56.297659][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 56.302862][ T520] path_openat+0x1006/0x2f80 [ 56.307870][ T520] ? do_filp_open+0x430/0x430 [ 56.313255][ T520] do_filp_open+0x1f1/0x430 [ 56.317825][ T520] ? __cfi_do_filp_open+0x10/0x10 [ 56.323171][ T520] ? alloc_fd+0x4e6/0x590 [ 56.327894][ T520] do_sys_openat2+0x15e/0x810 [ 56.332807][ T520] ? __kasan_check_write+0x14/0x20 [ 56.338153][ T520] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 56.343926][ T520] ? do_sys_open+0xe0/0xe0 [ 56.348497][ T520] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 56.354365][ T520] ? do_user_addr_fault+0x9ac/0x1050 [ 56.360703][ T520] __x64_sys_openat+0x136/0x160 [ 56.365977][ T520] x64_sys_call+0x783/0x9a0 [ 56.370788][ T520] do_syscall_64+0x4c/0xa0 [ 56.375450][ T520] ? clear_bhb_loop+0x30/0x80 [ 56.380529][ T520] ? clear_bhb_loop+0x30/0x80 [ 56.385364][ T520] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.391916][ T520] RIP: 0033:0x7f6f48799079 [ 56.396660][ T520] 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 [ 56.418285][ T520] RSP: 002b:00007f6f4959d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 56.427967][ T520] RAX: ffffffffffffffda RBX: 00007f6f489c6080 RCX: 00007f6f48799079 [ 56.436774][ T520] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 56.445219][ T520] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 56.453662][ T520] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 56.462190][ T520] R13: 0000000000000001 R14: 00007f6f489c6080 R15: 00007ffd8a31bf28 [ 56.470630][ T520] [ 56.473689][ T520] [ 56.476145][ T520] Allocated by task 495: [ 56.480591][ T520] kasan_set_track+0x4b/0x70 [ 56.485312][ T520] kasan_save_alloc_info+0x25/0x30 [ 56.490634][ T520] __kasan_slab_alloc+0x72/0x80 [ 56.496388][ T520] slab_post_alloc_hook+0x4f/0x2d0 [ 56.502195][ T520] kmem_cache_alloc+0x16e/0x330 [ 56.507702][ T520] __grab_extent_tree+0x19d/0x430 [ 56.513032][ T520] f2fs_init_read_extent_tree+0x3d1/0x7c0 [ 56.518869][ T520] f2fs_iget+0x3457/0x4e40 [ 56.523843][ T520] f2fs_lookup+0x3a9/0xab0 [ 56.529342][ T520] __lookup_slow+0x2d5/0x410 [ 56.534436][ T520] lookup_slow+0x57/0x70 [ 56.538896][ T520] walk_component+0x2f4/0x420 [ 56.543863][ T520] path_lookupat+0x180/0x490 [ 56.548856][ T520] filename_lookup+0x224/0x560 [ 56.554010][ T520] user_path_at_empty+0x47/0x1c0 [ 56.559708][ T520] do_sys_truncate+0xb6/0x1c0 [ 56.564712][ T520] __x64_sys_truncate+0x5b/0x70 [ 56.569878][ T520] x64_sys_call+0x679/0x9a0 [ 56.574668][ T520] do_syscall_64+0x4c/0xa0 [ 56.579562][ T520] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.585669][ T520] [ 56.588024][ T520] Freed by task 495: [ 56.592190][ T520] kasan_set_track+0x4b/0x70 [ 56.596891][ T520] kasan_save_free_info+0x31/0x50 [ 56.601929][ T520] ____kasan_slab_free+0x132/0x180 [ 56.607745][ T520] __kasan_slab_free+0x11/0x20 [ 56.612887][ T520] slab_free_freelist_hook+0xc2/0x190 [ 56.618295][ T520] kmem_cache_free+0x12d/0x300 [ 56.623082][ T520] __destroy_extent_tree+0x305/0x500 [ 56.628598][ T520] f2fs_destroy_extent_tree+0x17/0x30 [ 56.634155][ T520] f2fs_evict_inode+0x682/0x1700 [ 56.639156][ T520] evict+0x4d7/0x8f0 [ 56.643185][ T520] iput+0x620/0x670 [ 56.647162][ T520] iget_failed+0x178/0x1c0 [ 56.651630][ T520] f2fs_iget+0x180e/0x4e40 [ 56.656177][ T520] f2fs_lookup+0x3a9/0xab0 [ 56.660901][ T520] __lookup_slow+0x2d5/0x410 [ 56.665621][ T520] lookup_slow+0x57/0x70 [ 56.669912][ T520] walk_component+0x2f4/0x420 [ 56.675432][ T520] path_lookupat+0x180/0x490 [ 56.680339][ T520] filename_lookup+0x224/0x560 [ 56.685591][ T520] user_path_at_empty+0x47/0x1c0 [ 56.690922][ T520] do_sys_truncate+0xb6/0x1c0 [ 56.695860][ T520] __x64_sys_truncate+0x5b/0x70 [ 56.701202][ T520] x64_sys_call+0x679/0x9a0 [ 56.705761][ T520] do_syscall_64+0x4c/0xa0 [ 56.710236][ T520] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.716280][ T520] [ 56.718652][ T520] The buggy address belongs to the object at ffff888123ca6e88 [ 56.718652][ T520] which belongs to the cache f2fs_extent_tree of size 88 [ 56.733870][ T520] The buggy address is located 72 bytes inside of [ 56.733870][ T520] 88-byte region [ffff888123ca6e88, ffff888123ca6ee0) [ 56.748233][ T520] [ 56.750771][ T520] The buggy address belongs to the physical page: [ 56.757906][ T520] page:ffffea00048f2980 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123ca6 [ 56.768889][ T520] flags: 0x4000000000000200(slab|zone=1) [ 56.775715][ T520] raw: 4000000000000200 0000000000000000 dead000000000122 ffff888108879500 [ 56.785052][ T520] raw: 0000000000000000 0000000080220022 00000001ffffffff 0000000000000000 [ 56.794543][ T520] page dumped because: kasan: bad access detected [ 56.801089][ T520] page_owner tracks the page as allocated [ 56.806926][ T520] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 495, tgid 494 (syz.3.19), ts 53798610496, free_ts 52541691613 [ 56.829229][ T530] loop6: detected capacity change from 0 to 131072 [ 56.829299][ T520] post_alloc_hook+0x1f5/0x210 [ 56.841434][ T520] prep_new_page+0x1c/0x110 [ 56.845312][ T28] audit: type=1400 audit(1778042989.975:111): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 56.846246][ T520] get_page_from_freelist+0x2d12/0x2d80 [ 56.874649][ T520] __alloc_pages+0x1fa/0x610 [ 56.878266][ T530] F2FS-fs (loop6): invalid crc value [ 56.879803][ T520] alloc_slab_page+0x6e/0xf0 [ 56.890309][ T520] new_slab+0x98/0x3d0 [ 56.894421][ T520] ___slab_alloc+0x6bd/0xb20 [ 56.897436][ T28] audit: type=1400 audit(1778042989.975:112): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 56.899169][ T520] __slab_alloc+0x5e/0xa0 [ 56.924359][ T28] audit: type=1400 audit(1778042989.975:113): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 56.928194][ T520] kmem_cache_alloc+0x1b0/0x330 [ 56.952369][ T530] F2FS-fs (loop6): Found nat_bits in checkpoint [ 56.956348][ T520] __grab_extent_tree+0x19d/0x430 [ 56.968443][ T520] f2fs_init_read_extent_tree+0x3d1/0x7c0 [ 56.974465][ T520] f2fs_iget+0x3457/0x4e40 [ 56.979375][ T520] f2fs_lookup+0x3a9/0xab0 [ 56.983893][ T28] audit: type=1400 audit(1778042989.975:114): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 56.984014][ T520] __lookup_slow+0x2d5/0x410 [ 57.010145][ T530] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 57.010648][ T520] lookup_slow+0x57/0x70 [ 57.010673][ T520] walk_component+0x2f4/0x420 [ 57.010695][ T520] page last free stack trace: [ 57.010701][ T520] free_unref_page_prepare+0x7f8/0x800 [ 57.037708][ T530] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 57.038877][ T520] free_unref_page+0x95/0x540 [ 57.050804][ T520] __free_pages+0x67/0x100 [ 57.052285][ T530] CPU: 0 PID: 530 Comm: syz.6.21 Not tainted syzkaller #0 [ 57.055779][ T520] __free_slab+0xca/0x1a0 [ 57.063404][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 57.067997][ T520] discard_slab+0x29/0x40 [ 57.078071][ T530] Call Trace: [ 57.078089][ T530] [ 57.082555][ T520] __slab_free+0x201/0x280 [ 57.086110][ T530] __dump_stack+0x21/0x24 [ 57.089141][ T520] ___cache_free+0xbf/0xd0 [ 57.093566][ T530] dump_stack_lvl+0x110/0x170 [ 57.093586][ T530] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.093603][ T530] ? __kasan_check_write+0x14/0x20 [ 57.097933][ T520] qlist_free_all+0xc6/0x140 [ 57.102602][ T530] dump_stack+0x15/0x24 [ 57.107699][ T520] kasan_quarantine_reduce+0x14a/0x170 [ 57.113270][ T530] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 57.118730][ T520] __kasan_slab_alloc+0x24/0x80 [ 57.123745][ T530] f2fs_is_valid_blkaddr+0x23/0x30 [ 57.128071][ T520] slab_post_alloc_hook+0x4f/0x2d0 [ 57.133631][ T530] sanity_check_extent_cache+0x1c5/0x480 [ 57.140203][ T520] kmem_cache_alloc_node+0x181/0x340 [ 57.145220][ T530] f2fs_iget+0x3467/0x4e40 [ 57.150543][ T520] __alloc_skb+0xea/0x4b0 [ 57.155859][ T530] f2fs_lookup+0x3a9/0xab0 [ 57.161742][ T520] rtmsg_ifa+0xfa/0x1e0 [ 57.167221][ T530] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.171888][ T520] __inet_del_ifa+0x80b/0xd90 [ 57.176636][ T530] ? __cfi_d_alloc_parallel+0x10/0x10 [ 57.181915][ T520] inetdev_event+0x6c9/0x10e0 [ 57.186603][ T530] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 57.191663][ T520] [ 57.191669][ T520] Memory state around the buggy address: [ 57.196416][ T530] ? downgrade_write+0x370/0x370 [ 57.201894][ T520] ffff888123ca6d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.206665][ T530] __lookup_slow+0x2d5/0x410 [ 57.212742][ T520] ffff888123ca6e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.212752][ T520] >ffff888123ca6e80: fc fa fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 57.212757][ T520] ^ [ 57.212765][ T520] ffff888123ca6f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.212776][ T520] ffff888123ca6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 57.212785][ T520] ================================================================== [ 57.216196][ T520] Disabling lock debugging due to kernel taint [ 57.221463][ T530] ? lookup_one_len+0x2e0/0x2e0 [ 57.221497][ T530] ? down_read+0xa6/0xf0 [ 57.221532][ T530] lookup_slow+0x57/0x70 [ 57.227123][ T520] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 57.236085][ T530] walk_component+0x2f4/0x420 [ 57.236113][ T530] path_lookupat+0x180/0x490 [ 57.236133][ T530] filename_lookup+0x224/0x560 [ 57.242480][ T28] audit: type=1400 audit(1778042989.975:115): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 57.249417][ T530] ? __cfi_filename_lookup+0x10/0x10 [ 57.257720][ T28] audit: type=1400 audit(1778042989.975:116): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 57.265055][ T530] ? strncpy_from_user+0x17a/0x2d0 [ 57.265094][ T530] user_path_at_empty+0x47/0x1c0 [ 57.265117][ T530] do_sys_truncate+0xb6/0x1c0 [ 57.265136][ T530] ? __cfi_do_sys_truncate+0x10/0x10 [ 57.265155][ T530] ? fpregs_restore_userregs+0x128/0x260 [ 57.265177][ T530] __x64_sys_truncate+0x5b/0x70 [ 57.265194][ T530] x64_sys_call+0x679/0x9a0 [ 57.265214][ T530] do_syscall_64+0x4c/0xa0 [ 57.265233][ T530] ? clear_bhb_loop+0x30/0x80 [ 57.265258][ T530] ? clear_bhb_loop+0x30/0x80 [ 57.265282][ T530] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.265303][ T530] RIP: 0033:0x7f4a64d99079 [ 57.265320][ T530] 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 [ 57.265335][ T530] RSP: 002b:00007f4a65bac028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 57.265357][ T530] RAX: ffffffffffffffda RBX: 00007f4a64fc5fa0 RCX: 00007f4a64d99079 [ 57.265370][ T530] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 57.265382][ T530] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 57.265394][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.274273][ T28] audit: type=1400 audit(1778042989.975:117): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 57.282317][ T530] R13: 0000000000000000 R14: 00007f4a64fc5fa0 R15: 00007ffc99ba9658 [ 57.282334][ T530] [ 57.297696][ T530] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 57.571672][ T535] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 57.579095][ T535] CPU: 1 PID: 535 Comm: syz.6.21 Tainted: G B syzkaller #0 [ 57.588170][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 57.599211][ T535] Call Trace: [ 57.602795][ T535] [ 57.605769][ T535] __dump_stack+0x21/0x24 [ 57.610650][ T535] dump_stack_lvl+0x110/0x170 [ 57.616059][ T535] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.621462][ T535] ? __kasan_check_write+0x14/0x20 [ 57.626699][ T535] dump_stack+0x15/0x24 [ 57.631299][ T535] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 57.637560][ T535] f2fs_is_valid_blkaddr+0x23/0x30 [ 57.642945][ T535] sanity_check_extent_cache+0x1c5/0x480 [ 57.648779][ T535] f2fs_iget+0x3467/0x4e40 [ 57.653234][ T535] f2fs_lookup+0x3a9/0xab0 [ 57.657936][ T535] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.663748][ T535] ? __cfi_d_alloc_parallel+0x10/0x10 [ 57.669492][ T535] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.674621][ T535] path_openat+0x1006/0x2f80 [ 57.679710][ T535] ? do_filp_open+0x430/0x430 [ 57.684889][ T535] do_filp_open+0x1f1/0x430 [ 57.689950][ T535] ? __cfi_do_filp_open+0x10/0x10 [ 57.695335][ T535] ? alloc_fd+0x4e6/0x590 [ 57.699943][ T535] do_sys_openat2+0x15e/0x810 [ 57.705178][ T535] ? __kasan_check_write+0x14/0x20 [ 57.710825][ T535] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 57.716647][ T535] ? do_sys_open+0xe0/0xe0 [ 57.721103][ T535] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 57.726756][ T535] ? do_user_addr_fault+0x9ac/0x1050 [ 57.732314][ T535] __x64_sys_openat+0x136/0x160 [ 57.737618][ T535] x64_sys_call+0x783/0x9a0 [ 57.742516][ T535] do_syscall_64+0x4c/0xa0 [ 57.747415][ T535] ? clear_bhb_loop+0x30/0x80 [ 57.752127][ T535] ? clear_bhb_loop+0x30/0x80 [ 57.757585][ T535] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.763674][ T535] RIP: 0033:0x7f4a64d99079 [ 57.768559][ T535] 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 [ 57.791225][ T535] RSP: 002b:00007f4a65b8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 57.800306][ T535] RAX: ffffffffffffffda RBX: 00007f4a64fc6080 RCX: 00007f4a64d99079 [ 57.808761][ T535] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 57.817787][ T535] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 57.826034][ T535] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 57.834628][ T535] R13: 0000000000000001 R14: 00007f4a64fc6080 R15: 00007ffc99ba9658 [ 57.842903][ T535] [ 57.880533][ T535] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 58.584725][ T537] loop4: detected capacity change from 0 to 131072 [ 58.615430][ T537] F2FS-fs (loop4): invalid crc value [ 58.651208][ T537] F2FS-fs (loop4): Found nat_bits in checkpoint [ 58.755533][ T537] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 58.777461][ T537] F2FS-fs (loop4): access invalid blkaddr:2147563524 [ 58.795210][ T537] CPU: 1 PID: 537 Comm: syz.4.22 Tainted: G B syzkaller #0 [ 58.804575][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 58.815313][ T537] Call Trace: [ 58.819140][ T537] [ 58.822194][ T537] __dump_stack+0x21/0x24 [ 58.826727][ T537] dump_stack_lvl+0x110/0x170 [ 58.831616][ T537] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.836949][ T537] ? __kasan_check_write+0x14/0x20 [ 58.842778][ T537] dump_stack+0x15/0x24 [ 58.847465][ T537] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 58.853553][ T537] f2fs_is_valid_blkaddr+0x23/0x30 [ 58.859328][ T537] sanity_check_extent_cache+0x1c5/0x480 [ 58.865281][ T537] f2fs_iget+0x3467/0x4e40 [ 58.869917][ T537] f2fs_lookup+0x3a9/0xab0 [ 58.874696][ T537] ? __cfi_f2fs_lookup+0x10/0x10 [ 58.880494][ T537] ? __cfi_d_alloc_parallel+0x10/0x10 [ 58.886116][ T537] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 58.892904][ T537] ? downgrade_write+0x370/0x370 [ 58.898217][ T537] __lookup_slow+0x2d5/0x410 [ 58.903243][ T537] ? lookup_one_len+0x2e0/0x2e0 [ 58.908543][ T537] ? down_read+0xa6/0xf0 [ 58.915152][ T537] lookup_slow+0x57/0x70 [ 58.920807][ T537] walk_component+0x2f4/0x420 [ 58.926372][ T537] path_lookupat+0x180/0x490 [ 58.931442][ T537] filename_lookup+0x224/0x560 [ 58.936297][ T537] ? __cfi_filename_lookup+0x10/0x10 [ 58.942395][ T537] ? strncpy_from_user+0x17a/0x2d0 [ 58.948242][ T537] user_path_at_empty+0x47/0x1c0 [ 58.954019][ T537] do_sys_truncate+0xb6/0x1c0 [ 58.959267][ T537] ? __cfi_do_sys_truncate+0x10/0x10 [ 58.964951][ T537] ? fpregs_restore_userregs+0x128/0x260 [ 58.970895][ T537] __x64_sys_truncate+0x5b/0x70 [ 58.975767][ T537] x64_sys_call+0x679/0x9a0 [ 58.980291][ T537] do_syscall_64+0x4c/0xa0 [ 58.985855][ T537] ? clear_bhb_loop+0x30/0x80 [ 58.991591][ T537] ? clear_bhb_loop+0x30/0x80 [ 58.996946][ T537] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.003494][ T537] RIP: 0033:0x7f9b6e599079 [ 59.007967][ T537] 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 [ 59.031269][ T537] RSP: 002b:00007f9b6f31e028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 59.040841][ T537] RAX: ffffffffffffffda RBX: 00007f9b6e7c5fa0 RCX: 00007f9b6e599079 [ 59.049794][ T537] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 59.058661][ T537] RBP: 00007f9b6e62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 59.067092][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.075534][ T537] R13: 0000000000000000 R14: 00007f9b6e7c5fa0 R15: 00007fffb32ccc28 [ 59.083926][ T537] [ 59.200409][ T537] F2FS-fs (loop4): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 59.225730][ T550] F2FS-fs (loop4): access invalid blkaddr:2147563524 [ 59.290413][ T550] CPU: 0 PID: 550 Comm: syz.4.22 Tainted: G B syzkaller #0 [ 59.300557][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 59.312168][ T550] Call Trace: [ 59.315581][ T550] [ 59.319245][ T550] __dump_stack+0x21/0x24 [ 59.324237][ T550] dump_stack_lvl+0x110/0x170 [ 59.329145][ T550] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.334586][ T550] ? mutex_unlock+0x8f/0x230 [ 59.339580][ T550] ? __kasan_check_write+0x14/0x20 [ 59.344992][ T550] dump_stack+0x15/0x24 [ 59.349348][ T550] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 59.355022][ T550] f2fs_is_valid_blkaddr+0x23/0x30 [ 59.360348][ T550] sanity_check_extent_cache+0x1c5/0x480 [ 59.366549][ T550] f2fs_iget+0x3467/0x4e40 [ 59.371088][ T550] f2fs_lookup+0x3a9/0xab0 [ 59.375879][ T550] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.381648][ T550] ? __cfi_d_alloc_parallel+0x10/0x10 [ 59.387663][ T550] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.393203][ T550] path_openat+0x1006/0x2f80 [ 59.398035][ T550] ? do_filp_open+0x430/0x430 [ 59.403029][ T550] do_filp_open+0x1f1/0x430 [ 59.407928][ T550] ? __cfi_do_filp_open+0x10/0x10 [ 59.413624][ T550] ? alloc_fd+0x4e6/0x590 [ 59.418212][ T550] do_sys_openat2+0x15e/0x810 [ 59.423203][ T550] ? __kasan_check_write+0x14/0x20 [ 59.428438][ T550] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 59.434738][ T550] ? do_sys_open+0xe0/0xe0 [ 59.439811][ T550] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 59.445874][ T550] ? do_user_addr_fault+0x9ac/0x1050 [ 59.451736][ T550] __x64_sys_openat+0x136/0x160 [ 59.457075][ T550] x64_sys_call+0x783/0x9a0 [ 59.461766][ T550] do_syscall_64+0x4c/0xa0 [ 59.466568][ T550] ? clear_bhb_loop+0x30/0x80 [ 59.471663][ T550] ? clear_bhb_loop+0x30/0x80 [ 59.476784][ T550] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.483067][ T550] RIP: 0033:0x7f9b6e599079 [ 59.487780][ T550] 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 [ 59.508458][ T550] RSP: 002b:00007f9b6e3ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 59.517209][ T550] RAX: ffffffffffffffda RBX: 00007f9b6e7c6080 RCX: 00007f9b6e599079 [ 59.525825][ T550] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 59.535060][ T550] RBP: 00007f9b6e62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 59.543501][ T550] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 59.552124][ T550] R13: 0000000000000001 R14: 00007f9b6e7c6080 R15: 00007fffb32ccc28 [ 59.560232][ T550] [ 59.647635][ T539] loop1: detected capacity change from 0 to 131072 [ 59.680939][ T539] F2FS-fs (loop1): invalid crc value [ 59.714310][ T541] loop3: detected capacity change from 0 to 131072 [ 59.722252][ T539] F2FS-fs (loop1): Found nat_bits in checkpoint [ 59.748906][ T541] F2FS-fs (loop3): invalid crc value [ 59.776123][ T541] F2FS-fs (loop3): Found nat_bits in checkpoint [ 59.783886][ T550] F2FS-fs (loop4): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 59.798792][ T539] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 59.821093][ T539] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 59.830430][ T539] CPU: 1 PID: 539 Comm: syz.1.24 Tainted: G B syzkaller #0 [ 59.839759][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 59.850458][ T539] Call Trace: [ 59.853815][ T539] [ 59.856949][ T539] __dump_stack+0x21/0x24 [ 59.862185][ T539] dump_stack_lvl+0x110/0x170 [ 59.867366][ T539] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.872776][ T539] ? __kasan_check_write+0x14/0x20 [ 59.878016][ T539] dump_stack+0x15/0x24 [ 59.882304][ T539] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 59.888155][ T539] f2fs_is_valid_blkaddr+0x23/0x30 [ 59.893583][ T539] sanity_check_extent_cache+0x1c5/0x480 [ 59.899269][ T539] f2fs_iget+0x3467/0x4e40 [ 59.904077][ T539] f2fs_lookup+0x3a9/0xab0 [ 59.906328][ T545] loop6: detected capacity change from 0 to 131072 [ 59.908810][ T539] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.908835][ T539] ? __cfi_d_alloc_parallel+0x10/0x10 [ 59.908853][ T539] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 59.933337][ T539] ? downgrade_write+0x370/0x370 [ 59.938444][ T539] __lookup_slow+0x2d5/0x410 [ 59.943226][ T539] ? lookup_one_len+0x2e0/0x2e0 [ 59.947127][ T545] F2FS-fs (loop6): invalid crc value [ 59.948214][ T539] ? down_read+0xa6/0xf0 [ 59.958401][ T539] lookup_slow+0x57/0x70 [ 59.963056][ T539] walk_component+0x2f4/0x420 [ 59.968421][ T539] path_lookupat+0x180/0x490 [ 59.973322][ T539] filename_lookup+0x224/0x560 [ 59.978494][ T539] ? __cfi_filename_lookup+0x10/0x10 [ 59.984271][ T539] ? strncpy_from_user+0x17a/0x2d0 [ 59.989747][ T539] user_path_at_empty+0x47/0x1c0 [ 59.991856][ T543] loop5: detected capacity change from 0 to 131072 [ 59.995661][ T539] do_sys_truncate+0xb6/0x1c0 [ 60.006956][ T539] ? __cfi_do_sys_truncate+0x10/0x10 [ 60.012645][ T539] ? fpregs_restore_userregs+0x128/0x260 [ 60.012708][ T543] F2FS-fs (loop5): invalid crc value [ 60.018416][ T539] __x64_sys_truncate+0x5b/0x70 [ 60.029277][ T539] x64_sys_call+0x679/0x9a0 [ 60.034006][ T539] do_syscall_64+0x4c/0xa0 [ 60.038740][ T539] ? clear_bhb_loop+0x30/0x80 [ 60.043467][ T539] ? clear_bhb_loop+0x30/0x80 [ 60.048370][ T539] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.054697][ T539] RIP: 0033:0x7f924a599079 [ 60.058225][ T541] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 60.059159][ T539] 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 [ 60.084818][ T541] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 60.087121][ T539] RSP: 002b:00007f924b4bd028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 60.103625][ T539] RAX: ffffffffffffffda RBX: 00007f924a7c5fa0 RCX: 00007f924a599079 [ 60.112160][ T539] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 60.121021][ T539] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 60.129108][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.138574][ T539] R13: 0000000000000000 R14: 00007f924a7c5fa0 R15: 00007fff265f77e8 [ 60.147358][ T539] [ 60.151528][ T541] CPU: 1 PID: 541 Comm: syz.3.25 Tainted: G B syzkaller #0 [ 60.160509][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 60.171896][ T541] Call Trace: [ 60.175278][ T541] [ 60.178490][ T541] __dump_stack+0x21/0x24 [ 60.184770][ T541] dump_stack_lvl+0x110/0x170 [ 60.189614][ T541] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.195516][ T541] ? __kasan_check_write+0x14/0x20 [ 60.201670][ T541] dump_stack+0x15/0x24 [ 60.206035][ T541] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 60.211976][ T541] f2fs_is_valid_blkaddr+0x23/0x30 [ 60.217475][ T541] sanity_check_extent_cache+0x1c5/0x480 [ 60.223329][ T541] f2fs_iget+0x3467/0x4e40 [ 60.228413][ T541] f2fs_lookup+0x3a9/0xab0 [ 60.232937][ T541] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.238529][ T541] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.244831][ T541] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 60.250853][ T541] ? downgrade_write+0x370/0x370 [ 60.256243][ T541] __lookup_slow+0x2d5/0x410 [ 60.260850][ T541] ? lookup_one_len+0x2e0/0x2e0 [ 60.265828][ T541] ? down_read+0xa6/0xf0 [ 60.270205][ T541] lookup_slow+0x57/0x70 [ 60.274732][ T541] walk_component+0x2f4/0x420 [ 60.279771][ T541] path_lookupat+0x180/0x490 [ 60.284970][ T541] filename_lookup+0x224/0x560 [ 60.289837][ T541] ? __cfi_filename_lookup+0x10/0x10 [ 60.295484][ T541] ? strncpy_from_user+0x17a/0x2d0 [ 60.300988][ T541] user_path_at_empty+0x47/0x1c0 [ 60.306048][ T541] do_sys_truncate+0xb6/0x1c0 [ 60.310837][ T541] ? __cfi_do_sys_truncate+0x10/0x10 [ 60.316670][ T541] ? fpregs_restore_userregs+0x128/0x260 [ 60.322736][ T541] __x64_sys_truncate+0x5b/0x70 [ 60.327984][ T541] x64_sys_call+0x679/0x9a0 [ 60.332892][ T541] do_syscall_64+0x4c/0xa0 [ 60.337604][ T541] ? clear_bhb_loop+0x30/0x80 [ 60.342387][ T541] ? clear_bhb_loop+0x30/0x80 [ 60.347254][ T541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.353505][ T541] RIP: 0033:0x7f6f48799079 [ 60.357928][ T541] 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 [ 60.379133][ T541] RSP: 002b:00007f6f495be028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 60.388204][ T541] RAX: ffffffffffffffda RBX: 00007f6f489c5fa0 RCX: 00007f6f48799079 [ 60.397212][ T541] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 60.405542][ T541] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 60.413888][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.422351][ T541] R13: 0000000000000000 R14: 00007f6f489c5fa0 R15: 00007ffd8a31bf28 [ 60.430696][ T541] [ 60.436185][ T543] F2FS-fs (loop5): Found nat_bits in checkpoint [ 60.443822][ T545] F2FS-fs (loop6): Found nat_bits in checkpoint [ 60.489650][ T541] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 60.500463][ T543] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 60.504244][ T564] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 60.519913][ T564] CPU: 0 PID: 564 Comm: syz.3.25 Tainted: G B syzkaller #0 [ 60.529187][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 60.539633][ T564] Call Trace: [ 60.542804][ T539] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 60.543121][ T564] [ 60.559775][ T564] __dump_stack+0x21/0x24 [ 60.564761][ T564] dump_stack_lvl+0x110/0x170 [ 60.569937][ T564] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.574769][ T543] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 60.575433][ T564] ? mutex_unlock+0x8f/0x230 [ 60.587398][ T564] ? __kasan_check_write+0x14/0x20 [ 60.592657][ T564] dump_stack+0x15/0x24 [ 60.592783][ T545] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 60.596936][ T564] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 60.610382][ T564] f2fs_is_valid_blkaddr+0x23/0x30 [ 60.615801][ T564] sanity_check_extent_cache+0x1c5/0x480 [ 60.621747][ T564] f2fs_iget+0x3467/0x4e40 [ 60.626541][ T564] f2fs_lookup+0x3a9/0xab0 [ 60.631073][ T564] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.636614][ T564] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.642306][ T564] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.647470][ T564] path_openat+0x1006/0x2f80 [ 60.652202][ T564] ? do_filp_open+0x430/0x430 [ 60.657009][ T564] do_filp_open+0x1f1/0x430 [ 60.661716][ T564] ? __cfi_do_filp_open+0x10/0x10 [ 60.667198][ T564] ? alloc_fd+0x4e6/0x590 [ 60.671575][ T564] do_sys_openat2+0x15e/0x810 [ 60.676659][ T564] ? __kasan_check_write+0x14/0x20 [ 60.682227][ T564] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 60.687972][ T564] ? do_sys_open+0xe0/0xe0 [ 60.692935][ T564] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 60.698878][ T564] ? do_user_addr_fault+0x9ac/0x1050 [ 60.704464][ T564] __x64_sys_openat+0x136/0x160 [ 60.709553][ T564] x64_sys_call+0x783/0x9a0 [ 60.714534][ T564] do_syscall_64+0x4c/0xa0 [ 60.719083][ T564] ? clear_bhb_loop+0x30/0x80 [ 60.724005][ T564] ? clear_bhb_loop+0x30/0x80 [ 60.728921][ T564] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.730886][ T565] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 60.735301][ T564] RIP: 0033:0x7f6f48799079 [ 60.735326][ T564] 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 [ 60.742471][ T545] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 60.746520][ T564] RSP: 002b:00007f6f4959d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 60.783540][ T564] RAX: ffffffffffffffda RBX: 00007f6f489c6080 RCX: 00007f6f48799079 [ 60.792182][ T564] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 60.800822][ T564] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 60.809958][ T564] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 60.818231][ T564] R13: 0000000000000001 R14: 00007f6f489c6080 R15: 00007ffd8a31bf28 [ 60.826969][ T564] [ 60.830704][ T565] CPU: 0 PID: 565 Comm: syz.1.24 Tainted: G B syzkaller #0 [ 60.839850][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 60.850297][ T565] Call Trace: [ 60.853887][ T565] [ 60.857043][ T565] __dump_stack+0x21/0x24 [ 60.861405][ T565] dump_stack_lvl+0x110/0x170 [ 60.866276][ T565] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.871830][ T565] ? __kasan_check_write+0x14/0x20 [ 60.877232][ T565] dump_stack+0x15/0x24 [ 60.881660][ T565] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 60.887479][ T565] f2fs_is_valid_blkaddr+0x23/0x30 [ 60.890950][ T564] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 60.892862][ T565] sanity_check_extent_cache+0x1c5/0x480 [ 60.912629][ T565] f2fs_iget+0x3467/0x4e40 [ 60.917319][ T565] f2fs_lookup+0x3a9/0xab0 [ 60.922016][ T565] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.927149][ T565] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.932615][ T565] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.937739][ T565] path_openat+0x1006/0x2f80 [ 60.942522][ T565] ? do_filp_open+0x430/0x430 [ 60.947398][ T565] do_filp_open+0x1f1/0x430 [ 60.951999][ T565] ? __cfi_do_filp_open+0x10/0x10 [ 60.957296][ T565] ? alloc_fd+0x4e6/0x590 [ 60.961810][ T565] do_sys_openat2+0x15e/0x810 [ 60.966500][ T565] ? __kasan_check_write+0x14/0x20 [ 60.971637][ T565] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 60.977305][ T565] ? do_sys_open+0xe0/0xe0 [ 60.981943][ T565] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 60.987792][ T565] ? do_user_addr_fault+0x9ac/0x1050 [ 60.993293][ T565] __x64_sys_openat+0x136/0x160 [ 60.998260][ T565] x64_sys_call+0x783/0x9a0 [ 61.002859][ T565] do_syscall_64+0x4c/0xa0 [ 61.007454][ T565] ? clear_bhb_loop+0x30/0x80 [ 61.012223][ T565] ? clear_bhb_loop+0x30/0x80 [ 61.017086][ T565] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.023085][ T565] RIP: 0033:0x7f924a599079 [ 61.027867][ T565] 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 [ 61.048916][ T565] RSP: 002b:00007f924b49c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.057955][ T565] RAX: ffffffffffffffda RBX: 00007f924a7c6080 RCX: 00007f924a599079 [ 61.066651][ T565] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 61.075684][ T565] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 61.084272][ T565] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 61.093116][ T565] R13: 0000000000000001 R14: 00007f924a7c6080 R15: 00007fff265f77e8 [ 61.101704][ T565] [ 61.107398][ T545] CPU: 0 PID: 545 Comm: syz.6.26 Tainted: G B syzkaller #0 [ 61.112254][ T565] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.116413][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 61.116429][ T545] Call Trace: [ 61.116435][ T545] [ 61.116441][ T545] __dump_stack+0x21/0x24 [ 61.152093][ T545] dump_stack_lvl+0x110/0x170 [ 61.157063][ T545] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.162201][ T545] ? __kasan_check_write+0x14/0x20 [ 61.167768][ T545] dump_stack+0x15/0x24 [ 61.172224][ T545] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 61.178326][ T545] f2fs_is_valid_blkaddr+0x23/0x30 [ 61.183536][ T545] sanity_check_extent_cache+0x1c5/0x480 [ 61.190245][ T545] f2fs_iget+0x3467/0x4e40 [ 61.195217][ T545] f2fs_lookup+0x3a9/0xab0 [ 61.199733][ T545] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.204862][ T545] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.210390][ T545] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 61.216407][ T545] ? downgrade_write+0x370/0x370 [ 61.221968][ T545] __lookup_slow+0x2d5/0x410 [ 61.226830][ T545] ? lookup_one_len+0x2e0/0x2e0 [ 61.231943][ T545] ? down_read+0xa6/0xf0 [ 61.236289][ T545] lookup_slow+0x57/0x70 [ 61.240882][ T545] walk_component+0x2f4/0x420 [ 61.245745][ T545] path_lookupat+0x180/0x490 [ 61.250598][ T545] filename_lookup+0x224/0x560 [ 61.255995][ T545] ? __cfi_filename_lookup+0x10/0x10 [ 61.261688][ T545] ? strncpy_from_user+0x17a/0x2d0 [ 61.267110][ T545] user_path_at_empty+0x47/0x1c0 [ 61.272395][ T545] do_sys_truncate+0xb6/0x1c0 [ 61.277179][ T545] ? __cfi_do_sys_truncate+0x10/0x10 [ 61.283104][ T545] ? fpregs_restore_userregs+0x128/0x260 [ 61.289662][ T545] __x64_sys_truncate+0x5b/0x70 [ 61.294920][ T545] x64_sys_call+0x679/0x9a0 [ 61.299977][ T545] do_syscall_64+0x4c/0xa0 [ 61.304593][ T545] ? clear_bhb_loop+0x30/0x80 [ 61.309713][ T545] ? clear_bhb_loop+0x30/0x80 [ 61.314764][ T545] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.321190][ T545] RIP: 0033:0x7f4a64d99079 [ 61.325708][ T545] 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 [ 61.346547][ T545] RSP: 002b:00007f4a65bac028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 61.355783][ T545] RAX: ffffffffffffffda RBX: 00007f4a64fc5fa0 RCX: 00007f4a64d99079 [ 61.364224][ T545] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 61.372398][ T545] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 61.382745][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 2026/05/06 04:49:54 executed programs: 22 [ 61.391562][ T545] R13: 0000000000000000 R14: 00007f4a64fc5fa0 R15: 00007ffc99ba9658 [ 61.399900][ T545] [ 61.404310][ T543] CPU: 0 PID: 543 Comm: syz.5.23 Tainted: G B syzkaller #0 [ 61.413319][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 61.423404][ T543] Call Trace: [ 61.426795][ T543] [ 61.429739][ T543] __dump_stack+0x21/0x24 [ 61.434181][ T543] dump_stack_lvl+0x110/0x170 [ 61.438900][ T543] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.443943][ T543] ? __kasan_check_write+0x14/0x20 [ 61.449408][ T543] dump_stack+0x15/0x24 [ 61.453592][ T543] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 61.459514][ T543] f2fs_is_valid_blkaddr+0x23/0x30 [ 61.460919][ T545] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.464836][ T543] sanity_check_extent_cache+0x1c5/0x480 [ 61.484381][ T543] f2fs_iget+0x3467/0x4e40 [ 61.489523][ T543] f2fs_lookup+0x3a9/0xab0 [ 61.494838][ T543] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.499891][ T543] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.505290][ T543] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 61.511328][ T543] ? downgrade_write+0x370/0x370 [ 61.516488][ T543] __lookup_slow+0x2d5/0x410 [ 61.521566][ T543] ? lookup_one_len+0x2e0/0x2e0 [ 61.526709][ T543] ? down_read+0xa6/0xf0 [ 61.531414][ T543] lookup_slow+0x57/0x70 [ 61.535710][ T543] walk_component+0x2f4/0x420 [ 61.540595][ T543] path_lookupat+0x180/0x490 [ 61.545431][ T543] filename_lookup+0x224/0x560 [ 61.550302][ T543] ? __cfi_filename_lookup+0x10/0x10 [ 61.555927][ T543] ? strncpy_from_user+0x17a/0x2d0 [ 61.561593][ T543] user_path_at_empty+0x47/0x1c0 [ 61.566743][ T543] do_sys_truncate+0xb6/0x1c0 [ 61.571716][ T543] ? __cfi_do_sys_truncate+0x10/0x10 [ 61.577978][ T543] ? fpregs_restore_userregs+0x128/0x260 [ 61.583964][ T543] __x64_sys_truncate+0x5b/0x70 [ 61.589007][ T543] x64_sys_call+0x679/0x9a0 [ 61.593706][ T543] do_syscall_64+0x4c/0xa0 [ 61.598422][ T543] ? clear_bhb_loop+0x30/0x80 [ 61.603321][ T543] ? clear_bhb_loop+0x30/0x80 [ 61.608195][ T543] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.614980][ T543] RIP: 0033:0x7f504f199079 [ 61.619548][ T543] 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 [ 61.640570][ T543] RSP: 002b:00007f5050057028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 61.649359][ T543] RAX: ffffffffffffffda RBX: 00007f504f3c5fa0 RCX: 00007f504f199079 [ 61.657443][ T543] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 61.665877][ T543] RBP: 00007f504f22ba4c R08: 0000000000000000 R09: 0000000000000000 [ 61.674237][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.682496][ T543] R13: 0000000000000000 R14: 00007f504f3c5fa0 R15: 00007ffc4ae1ad28 [ 61.690773][ T543] [ 61.694566][ T543] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.717171][ T569] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 61.770830][ T569] CPU: 1 PID: 569 Comm: syz.5.23 Tainted: G B syzkaller #0 [ 61.780883][ T569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 61.793237][ T569] Call Trace: [ 61.797019][ T569] [ 61.800114][ T569] __dump_stack+0x21/0x24 [ 61.804659][ T569] dump_stack_lvl+0x110/0x170 [ 61.809716][ T569] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.815151][ T569] ? __kasan_check_write+0x14/0x20 [ 61.820813][ T569] dump_stack+0x15/0x24 [ 61.825430][ T569] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 61.831961][ T569] f2fs_is_valid_blkaddr+0x23/0x30 [ 61.837807][ T569] sanity_check_extent_cache+0x1c5/0x480 [ 61.844034][ T569] f2fs_iget+0x3467/0x4e40 [ 61.848578][ T569] f2fs_lookup+0x3a9/0xab0 [ 61.853099][ T569] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.858400][ T569] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.864000][ T569] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.869393][ T569] path_openat+0x1006/0x2f80 [ 61.874289][ T569] ? do_filp_open+0x430/0x430 [ 61.879008][ T569] do_filp_open+0x1f1/0x430 [ 61.883887][ T569] ? __cfi_do_filp_open+0x10/0x10 [ 61.889457][ T569] ? alloc_fd+0x4e6/0x590 [ 61.894072][ T569] do_sys_openat2+0x15e/0x810 [ 61.899513][ T569] ? __kasan_check_write+0x14/0x20 [ 61.905168][ T569] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 61.911450][ T569] ? do_sys_open+0xe0/0xe0 [ 61.916796][ T569] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 61.922911][ T569] ? do_user_addr_fault+0x9ac/0x1050 [ 61.928757][ T569] __x64_sys_openat+0x136/0x160 [ 61.934611][ T569] x64_sys_call+0x783/0x9a0 [ 61.939521][ T569] do_syscall_64+0x4c/0xa0 [ 61.944472][ T569] ? clear_bhb_loop+0x30/0x80 [ 61.949896][ T569] ? clear_bhb_loop+0x30/0x80 [ 61.954871][ T569] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.961046][ T569] RIP: 0033:0x7f504f199079 [ 61.965733][ T569] 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 [ 61.986362][ T569] RSP: 002b:00007f5050036028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.995653][ T569] RAX: ffffffffffffffda RBX: 00007f504f3c6080 RCX: 00007f504f199079 [ 62.004091][ T569] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 62.012430][ T569] RBP: 00007f504f22ba4c R08: 0000000000000000 R09: 0000000000000000 [ 62.020680][ T569] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 62.029554][ T569] R13: 0000000000000001 R14: 00007f504f3c6080 R15: 00007ffc4ae1ad28 [ 62.038163][ T569] [ 62.320406][ T569] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 62.683458][ T572] loop4: detected capacity change from 0 to 131072 [ 62.716234][ T572] F2FS-fs (loop4): invalid crc value [ 62.741555][ T572] F2FS-fs (loop4): Found nat_bits in checkpoint [ 62.872158][ T572] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 62.897533][ T572] F2FS-fs (loop4): access invalid blkaddr:2147563524 [ 62.915209][ T572] CPU: 1 PID: 572 Comm: syz.4.27 Tainted: G B syzkaller #0 [ 62.924057][ T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 62.934576][ T572] Call Trace: [ 62.938157][ T572] [ 62.941280][ T572] __dump_stack+0x21/0x24 [ 62.946192][ T572] dump_stack_lvl+0x110/0x170 [ 62.951440][ T572] ? __cfi_dump_stack_lvl+0x8/0x8 [ 62.956185][ T576] loop3: detected capacity change from 0 to 131072 [ 62.956689][ T572] ? __kasan_check_write+0x14/0x20 [ 62.968742][ T572] dump_stack+0x15/0x24 [ 62.971292][ T576] F2FS-fs (loop3): invalid crc value [ 62.972923][ T572] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 62.985365][ T572] f2fs_is_valid_blkaddr+0x23/0x30 [ 62.990701][ T572] sanity_check_extent_cache+0x1c5/0x480 [ 62.996905][ T572] f2fs_iget+0x3467/0x4e40 [ 63.001706][ T572] f2fs_lookup+0x3a9/0xab0 [ 63.006218][ T572] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.011467][ T572] ? __cfi_d_alloc_parallel+0x10/0x10 [ 63.017051][ T572] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 63.023089][ T572] ? downgrade_write+0x370/0x370 [ 63.028258][ T572] __lookup_slow+0x2d5/0x410 [ 63.033958][ T572] ? lookup_one_len+0x2e0/0x2e0 [ 63.038897][ T572] ? down_read+0xa6/0xf0 [ 63.043297][ T572] lookup_slow+0x57/0x70 [ 63.047855][ T572] walk_component+0x2f4/0x420 [ 63.052757][ T572] path_lookupat+0x180/0x490 [ 63.057732][ T572] filename_lookup+0x224/0x560 [ 63.062785][ T572] ? __cfi_filename_lookup+0x10/0x10 [ 63.068222][ T572] ? strncpy_from_user+0x17a/0x2d0 [ 63.073446][ T572] user_path_at_empty+0x47/0x1c0 [ 63.078591][ T572] do_sys_truncate+0xb6/0x1c0 [ 63.083527][ T572] ? __cfi_do_sys_truncate+0x10/0x10 [ 63.088950][ T572] ? fpregs_restore_userregs+0x128/0x260 [ 63.094898][ T572] __x64_sys_truncate+0x5b/0x70 [ 63.100124][ T572] x64_sys_call+0x679/0x9a0 [ 63.104746][ T572] do_syscall_64+0x4c/0xa0 [ 63.109286][ T572] ? clear_bhb_loop+0x30/0x80 [ 63.114562][ T572] ? clear_bhb_loop+0x30/0x80 [ 63.119395][ T572] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 63.126010][ T572] RIP: 0033:0x7f9b6e599079 [ 63.130879][ T572] 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 [ 63.151911][ T572] RSP: 002b:00007f9b6f31e028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 63.161198][ T572] RAX: ffffffffffffffda RBX: 00007f9b6e7c5fa0 RCX: 00007f9b6e599079 [ 63.169568][ T572] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 63.179079][ T572] RBP: 00007f9b6e62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 63.187669][ T572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.196735][ T572] R13: 0000000000000000 R14: 00007f9b6e7c5fa0 R15: 00007fffb32ccc28 [ 63.205912][ T572] [ 63.241674][ T576] F2FS-fs (loop3): Found nat_bits in checkpoint [ 63.306075][ T574] loop1: detected capacity change from 0 to 131072 [ 63.314750][ T572] F2FS-fs (loop4): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 63.340072][ T574] F2FS-fs (loop1): invalid crc value [ 63.343524][ T576] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 63.360812][ T588] F2FS-fs (loop4): access invalid blkaddr:2147563524 [ 63.370433][ T588] CPU: 1 PID: 588 Comm: syz.4.27 Tainted: G B syzkaller #0 [ 63.380123][ T588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 63.391360][ T588] Call Trace: [ 63.395176][ T588] [ 63.398415][ T588] __dump_stack+0x21/0x24 [ 63.403332][ T588] dump_stack_lvl+0x110/0x170 [ 63.408225][ T588] ? __cfi_dump_stack_lvl+0x8/0x8 [ 63.413398][ T588] ? mutex_unlock+0x8f/0x230 [ 63.418163][ T588] ? __kasan_check_write+0x14/0x20 [ 63.423694][ T588] dump_stack+0x15/0x24 [ 63.428024][ T588] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 63.434252][ T588] f2fs_is_valid_blkaddr+0x23/0x30 [ 63.439608][ T588] sanity_check_extent_cache+0x1c5/0x480 [ 63.445677][ T588] f2fs_iget+0x3467/0x4e40 [ 63.450324][ T588] f2fs_lookup+0x3a9/0xab0 [ 63.454965][ T588] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.460510][ T588] ? __cfi_d_alloc_parallel+0x10/0x10 [ 63.466092][ T588] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.471168][ T588] path_openat+0x1006/0x2f80 [ 63.472092][ T576] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 63.476166][ T588] ? do_filp_open+0x430/0x430 [ 63.487055][ T578] loop6: detected capacity change from 0 to 131072 [ 63.488230][ T588] do_filp_open+0x1f1/0x430 [ 63.500616][ T588] ? __cfi_do_filp_open+0x10/0x10 [ 63.506145][ T588] ? alloc_fd+0x4e6/0x590 [ 63.511523][ T588] do_sys_openat2+0x15e/0x810 [ 63.517129][ T588] ? __kasan_check_write+0x14/0x20 [ 63.522904][ T588] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 63.524259][ T578] F2FS-fs (loop6): invalid crc value [ 63.529725][ T588] ? do_sys_open+0xe0/0xe0 [ 63.529780][ T588] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 63.546438][ T588] ? do_user_addr_fault+0x9ac/0x1050 [ 63.552307][ T588] __x64_sys_openat+0x136/0x160 [ 63.558079][ T588] x64_sys_call+0x783/0x9a0 [ 63.562723][ T588] do_syscall_64+0x4c/0xa0 [ 63.567267][ T588] ? clear_bhb_loop+0x30/0x80 [ 63.572242][ T588] ? clear_bhb_loop+0x30/0x80 [ 63.577025][ T588] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 63.583301][ T588] RIP: 0033:0x7f9b6e599079 [ 63.587734][ T588] 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 [ 63.608049][ T588] RSP: 002b:00007f9b6e3ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 63.616780][ T588] RAX: ffffffffffffffda RBX: 00007f9b6e7c6080 RCX: 00007f9b6e599079 [ 63.624977][ T588] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 63.633408][ T588] RBP: 00007f9b6e62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 63.641625][ T588] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 63.649643][ T588] R13: 0000000000000001 R14: 00007f9b6e7c6080 R15: 00007fffb32ccc28 [ 63.658110][ T588] [ 63.661262][ T576] CPU: 0 PID: 576 Comm: syz.3.28 Tainted: G B syzkaller #0 [ 63.662363][ T588] F2FS-fs (loop4): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 63.671467][ T576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 63.671490][ T576] Call Trace: [ 63.671498][ T576] [ 63.671506][ T576] __dump_stack+0x21/0x24 [ 63.671536][ T576] dump_stack_lvl+0x110/0x170 [ 63.712628][ T576] ? __cfi_dump_stack_lvl+0x8/0x8 [ 63.718056][ T576] ? __kasan_check_write+0x14/0x20 [ 63.723390][ T576] dump_stack+0x15/0x24 [ 63.727768][ T576] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 63.733375][ T576] f2fs_is_valid_blkaddr+0x23/0x30 [ 63.738813][ T576] sanity_check_extent_cache+0x1c5/0x480 [ 63.744853][ T576] f2fs_iget+0x3467/0x4e40 [ 63.749615][ T576] f2fs_lookup+0x3a9/0xab0 [ 63.754518][ T576] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.760135][ T576] ? __cfi_d_alloc_parallel+0x10/0x10 [ 63.766786][ T576] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 63.773878][ T576] ? downgrade_write+0x370/0x370 [ 63.780034][ T576] __lookup_slow+0x2d5/0x410 [ 63.786041][ T576] ? lookup_one_len+0x2e0/0x2e0 [ 63.793797][ T576] ? down_read+0xa6/0xf0 [ 63.799279][ T576] lookup_slow+0x57/0x70 [ 63.804374][ T576] walk_component+0x2f4/0x420 [ 63.810190][ T576] path_lookupat+0x180/0x490 [ 63.816828][ T576] filename_lookup+0x224/0x560 [ 63.822194][ T576] ? __cfi_filename_lookup+0x10/0x10 [ 63.828688][ T576] ? strncpy_from_user+0x17a/0x2d0 [ 63.834386][ T576] user_path_at_empty+0x47/0x1c0 [ 63.840279][ T576] do_sys_truncate+0xb6/0x1c0 [ 63.843045][ T583] loop5: detected capacity change from 0 to 131072 [ 63.845283][ T576] ? __cfi_do_sys_truncate+0x10/0x10 [ 63.854878][ T583] F2FS-fs (loop5): invalid crc value [ 63.857751][ T576] ? fpregs_restore_userregs+0x128/0x260 [ 63.864012][ T574] F2FS-fs (loop1): Found nat_bits in checkpoint [ 63.869648][ T576] __x64_sys_truncate+0x5b/0x70 [ 63.876324][ T578] F2FS-fs (loop6): Found nat_bits in checkpoint [ 63.881432][ T576] x64_sys_call+0x679/0x9a0 [ 63.881463][ T576] do_syscall_64+0x4c/0xa0 [ 63.897744][ T576] ? clear_bhb_loop+0x30/0x80 [ 63.902906][ T576] ? clear_bhb_loop+0x30/0x80 [ 63.907888][ T576] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 63.914733][ T576] RIP: 0033:0x7f6f48799079 [ 63.919762][ T576] 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 [ 63.937742][ T574] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 63.940520][ T576] RSP: 002b:00007f6f495be028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 63.940550][ T576] RAX: ffffffffffffffda RBX: 00007f6f489c5fa0 RCX: 00007f6f48799079 [ 63.940563][ T576] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 63.940574][ T576] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 63.940586][ T576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.949155][ T578] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 63.957664][ T576] R13: 0000000000000000 R14: 00007f6f489c5fa0 R15: 00007ffd8a31bf28 [ 63.957684][ T576] [ 63.996794][ T576] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 64.011682][ T574] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 64.022039][ T578] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 64.029163][ T574] CPU: 1 PID: 574 Comm: syz.1.29 Tainted: G B syzkaller #0 [ 64.053748][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 64.056760][ T592] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 64.064566][ T574] Call Trace: [ 64.064576][ T574] [ 64.064583][ T574] __dump_stack+0x21/0x24 [ 64.064610][ T574] dump_stack_lvl+0x110/0x170 [ 64.064630][ T574] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.093292][ T574] ? __kasan_check_write+0x14/0x20 [ 64.098511][ T574] dump_stack+0x15/0x24 [ 64.103027][ T574] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 64.108852][ T574] f2fs_is_valid_blkaddr+0x23/0x30 [ 64.114149][ T574] sanity_check_extent_cache+0x1c5/0x480 [ 64.120093][ T574] f2fs_iget+0x3467/0x4e40 [ 64.124775][ T574] f2fs_lookup+0x3a9/0xab0 [ 64.129685][ T574] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.134992][ T574] ? __cfi_d_alloc_parallel+0x10/0x10 [ 64.140719][ T574] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 64.147403][ T574] ? downgrade_write+0x370/0x370 [ 64.152457][ T574] __lookup_slow+0x2d5/0x410 [ 64.157140][ T574] ? lookup_one_len+0x2e0/0x2e0 [ 64.162276][ T574] ? down_read+0xa6/0xf0 [ 64.166925][ T574] lookup_slow+0x57/0x70 [ 64.171525][ T574] walk_component+0x2f4/0x420 [ 64.176253][ T574] path_lookupat+0x180/0x490 [ 64.181292][ T574] filename_lookup+0x224/0x560 [ 64.186140][ T574] ? __cfi_filename_lookup+0x10/0x10 [ 64.191736][ T574] ? strncpy_from_user+0x17a/0x2d0 [ 64.197836][ T574] user_path_at_empty+0x47/0x1c0 [ 64.203246][ T574] do_sys_truncate+0xb6/0x1c0 [ 64.208371][ T574] ? __cfi_do_sys_truncate+0x10/0x10 [ 64.214017][ T574] ? fpregs_restore_userregs+0x128/0x260 [ 64.220184][ T574] __x64_sys_truncate+0x5b/0x70 [ 64.225227][ T574] x64_sys_call+0x679/0x9a0 [ 64.229823][ T574] do_syscall_64+0x4c/0xa0 [ 64.234431][ T574] ? clear_bhb_loop+0x30/0x80 [ 64.239407][ T574] ? clear_bhb_loop+0x30/0x80 [ 64.244206][ T574] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 64.250549][ T574] RIP: 0033:0x7f924a599079 [ 64.255142][ T574] 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 [ 64.277103][ T574] RSP: 002b:00007f924b4bd028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 64.286045][ T574] RAX: ffffffffffffffda RBX: 00007f924a7c5fa0 RCX: 00007f924a599079 [ 64.294282][ T574] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 64.303836][ T574] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 64.312709][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.321449][ T574] R13: 0000000000000000 R14: 00007f924a7c5fa0 R15: 00007fff265f77e8 [ 64.329526][ T574] [ 64.334066][ T578] CPU: 1 PID: 578 Comm: syz.6.30 Tainted: G B syzkaller #0 [ 64.343528][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 64.353883][ T578] Call Trace: [ 64.357203][ T578] [ 64.360161][ T578] __dump_stack+0x21/0x24 [ 64.364694][ T578] dump_stack_lvl+0x110/0x170 [ 64.369650][ T578] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.374965][ T578] ? __kasan_check_write+0x14/0x20 [ 64.380285][ T578] dump_stack+0x15/0x24 [ 64.384732][ T578] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 64.390573][ T578] f2fs_is_valid_blkaddr+0x23/0x30 [ 64.396119][ T578] sanity_check_extent_cache+0x1c5/0x480 [ 64.401979][ T578] f2fs_iget+0x3467/0x4e40 [ 64.406600][ T578] f2fs_lookup+0x3a9/0xab0 [ 64.411208][ T578] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.416457][ T578] ? __cfi_d_alloc_parallel+0x10/0x10 [ 64.422015][ T578] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 64.428426][ T578] ? downgrade_write+0x370/0x370 [ 64.433373][ T578] __lookup_slow+0x2d5/0x410 [ 64.438070][ T578] ? lookup_one_len+0x2e0/0x2e0 [ 64.443280][ T578] ? down_read+0xa6/0xf0 [ 64.447830][ T578] lookup_slow+0x57/0x70 [ 64.452090][ T578] walk_component+0x2f4/0x420 [ 64.456794][ T578] path_lookupat+0x180/0x490 [ 64.460402][ T574] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 64.461523][ T578] filename_lookup+0x224/0x560 [ 64.461547][ T578] ? __cfi_filename_lookup+0x10/0x10 [ 64.485826][ T578] ? strncpy_from_user+0x17a/0x2d0 [ 64.485965][ T601] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 64.491545][ T578] user_path_at_empty+0x47/0x1c0 [ 64.491571][ T578] do_sys_truncate+0xb6/0x1c0 [ 64.491591][ T578] ? __cfi_do_sys_truncate+0x10/0x10 [ 64.491609][ T578] ? fpregs_restore_userregs+0x128/0x260 [ 64.520719][ T578] __x64_sys_truncate+0x5b/0x70 [ 64.525757][ T578] x64_sys_call+0x679/0x9a0 [ 64.530574][ T578] do_syscall_64+0x4c/0xa0 [ 64.535048][ T578] ? clear_bhb_loop+0x30/0x80 [ 64.540005][ T578] ? clear_bhb_loop+0x30/0x80 [ 64.544697][ T578] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 64.550769][ T578] RIP: 0033:0x7f4a64d99079 [ 64.555550][ T578] 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 [ 64.575604][ T578] RSP: 002b:00007f4a65bac028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 64.584476][ T578] RAX: ffffffffffffffda RBX: 00007f4a64fc5fa0 RCX: 00007f4a64d99079 [ 64.592825][ T578] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 64.601498][ T578] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 64.609662][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.617907][ T578] R13: 0000000000000000 R14: 00007f4a64fc5fa0 R15: 00007ffc99ba9658 [ 64.626496][ T578] [ 64.630833][ T592] CPU: 0 PID: 592 Comm: syz.3.28 Tainted: G B syzkaller #0 [ 64.633613][ T578] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 64.640340][ T592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 64.640356][ T592] Call Trace: [ 64.640363][ T592] [ 64.640370][ T592] __dump_stack+0x21/0x24 [ 64.640395][ T592] dump_stack_lvl+0x110/0x170 [ 64.640415][ T592] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.640433][ T592] ? mutex_unlock+0x8f/0x230 [ 64.640457][ T592] ? __kasan_check_write+0x14/0x20 [ 64.685015][ T583] F2FS-fs (loop5): Found nat_bits in checkpoint [ 64.689784][ T592] dump_stack+0x15/0x24 [ 64.706518][ T592] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 64.712097][ T592] f2fs_is_valid_blkaddr+0x23/0x30 [ 64.717374][ T592] sanity_check_extent_cache+0x1c5/0x480 [ 64.723463][ T592] f2fs_iget+0x3467/0x4e40 [ 64.728085][ T592] f2fs_lookup+0x3a9/0xab0 [ 64.732515][ T592] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.737486][ T592] ? __cfi_d_alloc_parallel+0x10/0x10 [ 64.743336][ T592] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.748475][ T592] path_openat+0x1006/0x2f80 [ 64.753401][ T592] ? do_filp_open+0x430/0x430 [ 64.758687][ T592] do_filp_open+0x1f1/0x430 [ 64.763648][ T592] ? __cfi_do_filp_open+0x10/0x10 [ 64.768874][ T592] ? alloc_fd+0x4e6/0x590 [ 64.773679][ T592] do_sys_openat2+0x15e/0x810 [ 64.778386][ T592] ? __kasan_check_write+0x14/0x20 [ 64.783902][ T592] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 64.789819][ T592] ? do_sys_open+0xe0/0xe0 [ 64.794876][ T592] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 64.801161][ T592] ? do_user_addr_fault+0x9ac/0x1050 [ 64.806902][ T592] __x64_sys_openat+0x136/0x160 [ 64.811960][ T592] x64_sys_call+0x783/0x9a0 [ 64.816611][ T592] do_syscall_64+0x4c/0xa0 [ 64.821518][ T592] ? clear_bhb_loop+0x30/0x80 [ 64.826322][ T592] ? clear_bhb_loop+0x30/0x80 [ 64.831317][ T592] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 64.836993][ T603] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 64.837683][ T592] RIP: 0033:0x7f6f48799079 [ 64.849937][ T592] 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 [ 64.869927][ T592] RSP: 002b:00007f6f4959d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 64.878454][ T592] RAX: ffffffffffffffda RBX: 00007f6f489c6080 RCX: 00007f6f48799079 [ 64.886878][ T592] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 64.895260][ T592] RBP: 00007f6f4882ba4c R08: 0000000000000000 R09: 0000000000000000 [ 64.903726][ T592] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 64.912085][ T592] R13: 0000000000000001 R14: 00007f6f489c6080 R15: 00007ffd8a31bf28 [ 64.920534][ T592] [ 64.923746][ T601] CPU: 1 PID: 601 Comm: syz.1.29 Tainted: G B syzkaller #0 [ 64.932548][ T601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 64.943754][ T601] Call Trace: [ 64.947220][ T601] [ 64.950345][ T601] __dump_stack+0x21/0x24 [ 64.954978][ T601] dump_stack_lvl+0x110/0x170 [ 64.959920][ T601] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.965040][ T601] ? mutex_unlock+0x8f/0x230 [ 64.969908][ T601] ? __kasan_check_write+0x14/0x20 [ 64.975210][ T601] dump_stack+0x15/0x24 [ 64.979723][ T601] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 64.985888][ T601] f2fs_is_valid_blkaddr+0x23/0x30 [ 64.991532][ T601] sanity_check_extent_cache+0x1c5/0x480 [ 64.997526][ T601] f2fs_iget+0x3467/0x4e40 [ 65.002552][ T601] f2fs_lookup+0x3a9/0xab0 [ 65.007268][ T601] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.012490][ T601] ? __cfi_d_alloc_parallel+0x10/0x10 [ 65.018155][ T601] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.023599][ T601] path_openat+0x1006/0x2f80 [ 65.028208][ T601] ? __kernel_text_address+0xd/0x30 [ 65.033688][ T601] ? do_filp_open+0x430/0x430 [ 65.038561][ T601] do_filp_open+0x1f1/0x430 [ 65.043788][ T601] ? __cfi_do_filp_open+0x10/0x10 [ 65.049025][ T601] ? alloc_fd+0x4e6/0x590 [ 65.053624][ T601] do_sys_openat2+0x15e/0x810 [ 65.058508][ T601] ? __kasan_check_write+0x14/0x20 [ 65.063797][ T601] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 65.070184][ T601] ? do_sys_open+0xe0/0xe0 [ 65.074998][ T601] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 65.080905][ T601] ? do_user_addr_fault+0x9ac/0x1050 [ 65.087250][ T601] __x64_sys_openat+0x136/0x160 [ 65.092641][ T601] x64_sys_call+0x783/0x9a0 [ 65.097329][ T601] do_syscall_64+0x4c/0xa0 [ 65.102342][ T601] ? clear_bhb_loop+0x30/0x80 [ 65.107145][ T601] ? clear_bhb_loop+0x30/0x80 [ 65.111914][ T601] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 65.118095][ T601] RIP: 0033:0x7f924a599079 [ 65.123132][ T601] 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 [ 65.143791][ T601] RSP: 002b:00007f924b49c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 65.152737][ T601] RAX: ffffffffffffffda RBX: 00007f924a7c6080 RCX: 00007f924a599079 [ 65.161250][ T601] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 65.169489][ T601] RBP: 00007f924a62ba4c R08: 0000000000000000 R09: 0000000000000000 [ 65.178081][ T601] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 65.187006][ T601] R13: 0000000000000001 R14: 00007f924a7c6080 R15: 00007fff265f77e8 [ 65.196027][ T601] [ 65.199772][ T583] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 65.202429][ T603] CPU: 1 PID: 603 Comm: syz.6.30 Tainted: G B syzkaller #0 [ 65.208882][ T583] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 65.216917][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 65.216931][ T603] Call Trace: [ 65.216937][ T603] [ 65.216944][ T603] __dump_stack+0x21/0x24 [ 65.216968][ T603] dump_stack_lvl+0x110/0x170 [ 65.216987][ T603] ? __cfi_dump_stack_lvl+0x8/0x8 [ 65.217005][ T603] ? kmem_cache_alloc+0x256/0x330 [ 65.217031][ T603] ? __kasan_check_write+0x14/0x20 [ 65.217050][ T603] dump_stack+0x15/0x24 [ 65.217068][ T603] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 65.217096][ T603] f2fs_is_valid_blkaddr+0x23/0x30 [ 65.217120][ T603] sanity_check_extent_cache+0x1c5/0x480 [ 65.217148][ T603] f2fs_iget+0x3467/0x4e40 [ 65.292754][ T603] f2fs_lookup+0x3a9/0xab0 [ 65.297519][ T603] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.302801][ T603] ? __cfi_d_alloc_parallel+0x10/0x10 [ 65.308426][ T603] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.313680][ T603] path_openat+0x1006/0x2f80 [ 65.318476][ T603] ? do_filp_open+0x430/0x430 [ 65.323352][ T603] do_filp_open+0x1f1/0x430 [ 65.327955][ T603] ? __cfi_do_filp_open+0x10/0x10 [ 65.332994][ T603] ? alloc_fd+0x4e6/0x590 [ 65.337442][ T603] do_sys_openat2+0x15e/0x810 [ 65.342391][ T603] ? __kasan_check_write+0x14/0x20 [ 65.347511][ T603] ? __se_sys_rt_sigprocmask+0x22c/0x290 [ 65.353416][ T603] ? do_sys_open+0xe0/0xe0 [ 65.357927][ T603] ? __x64_sys_rt_sigprocmask+0xb0/0xb0 [ 65.363988][ T603] ? do_user_addr_fault+0x9ac/0x1050 [ 65.369639][ T603] __x64_sys_openat+0x136/0x160 [ 65.374601][ T603] x64_sys_call+0x783/0x9a0 [ 65.379316][ T603] do_syscall_64+0x4c/0xa0 [ 65.384049][ T603] ? clear_bhb_loop+0x30/0x80 [ 65.388832][ T603] ? clear_bhb_loop+0x30/0x80 [ 65.394144][ T603] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 65.400330][ T603] RIP: 0033:0x7f4a64d99079 [ 65.405199][ T603] 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 [ 65.426818][ T603] RSP: 002b:00007f4a65b8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 65.430381][ T592] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 65.435803][ T603] RAX: ffffffffffffffda RBX: 00007f4a64fc6080 RCX: 00007f4a64d99079 [ 65.435821][ T603] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 65.435834][ T603] RBP: 00007f4a64e2ba4c R08: 0000000000000000 R09: 0000000000000000 [ 65.474111][ T603] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 65.482358][ T603] R13: 0000000000000001 R14: 00007f4a64fc6080 R15: 00007ffc99ba9658 [ 65.490418][ T601] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 65.490618][ T603] [ 65.507914][ T583] CPU: 0 PID: 583 Comm: syz.5.31 Tainted: G B syzkaller #0 [ 65.517145][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 65.529083][ T583] Call Trace: [ 65.532753][ T583] [ 65.535787][ T583] __dump_stack+0x21/0x24 [ 65.540391][ T583] dump_stack_lvl+0x110/0x170 [ 65.545335][ T583] ? __cfi_dump_stack_lvl+0x8/0x8 [ 65.550361][ T583] ? kmem_cache_alloc+0x256/0x330 [ 65.555746][ T583] ? __kasan_check_write+0x14/0x20 [ 65.561581][ T583] dump_stack+0x15/0x24 [ 65.566185][ T583] __f2fs_is_valid_blkaddr+0xdd9/0x1490 [ 65.572035][ T583] f2fs_is_valid_blkaddr+0x23/0x30 [ 65.577580][ T583] sanity_check_extent_cache+0x1c5/0x480 [ 65.583407][ T583] f2fs_iget+0x3467/0x4e40 [ 65.588071][ T583] f2fs_lookup+0x3a9/0xab0 [ 65.592693][ T583] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.597987][ T583] ? __cfi_d_alloc_parallel+0x10/0x10 [ 65.603802][ T583] ? __cfi_lockref_get_not_dead+0x10/0x10 [ 65.610201][ T583] ? downgrade_write+0x370/0x370 [ 65.615277][ T583] __lookup_slow+0x2d5/0x410 [ 65.620234][ T583] ? lookup_one_len+0x2e0/0x2e0 [ 65.625693][ T583] ? down_read+0xa6/0xf0 [ 65.630255][ T583] lookup_slow+0x57/0x70 [ 65.634886][ T583] walk_component+0x2f4/0x420 [ 65.640181][ T583] path_lookupat+0x180/0x490 [ 65.645050][ T583] filename_lookup+0x224/0x560 [ 65.649948][ T583] ? __cfi_filename_lookup+0x10/0x10 [ 65.655428][ T583] ? strncpy_from_user+0x17a/0x2d0 [ 65.660730][ T583] user_path_at_empty+0x47/0x1c0 [ 65.665933][ T583] do_sys_truncate+0xb6/0x1c0 [ 65.670702][ T583] ? __cfi_do_sys_truncate+0x10/0x10 [ 65.676341][ T583] ? fpregs_restore_userregs+0x128/0x260 [ 65.682241][ T583] __x64_sys_truncate+0x5b/0x70 [ 65.687271][ T583] x64_sys_call+0x679/0x9a0 [ 65.691914][ T583] do_syscall_64+0x4c/0xa0 [ 65.696792][ T583] ? clear_bhb_loop+0x30/0x80 [ 65.701923][ T583] ? clear_bhb_loop+0x30/0x80 [ 65.706713][ T583] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 65.712609][ T583] RIP: 0033:0x7f504f199079 [ 65.717027][ T583] 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 [ 65.737675][ T583] RSP: 002b:00007f5050057028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 65.746551][ T583] RAX: ffffffffffffffda RBX: 00007f504f3c5fa0 RCX: 00007f504f199079 [ 65.754722][ T583] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 65.762878][ T583] RBP: 00007f504f22ba4c R08: 0000000000000000 R09: 0000000000000000 [ 65.771594][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 65.780443][ T583] R13: 0000000000000000 R14: 00007f504f3c5fa0 R15: 00007ffc4ae1ad28 [ 65.788775][ T583]