Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts. 2025/09/11 00:03:24 parsed 1 programs [ 49.591677][ T27] audit: type=1400 audit(1757549005.240:109): avc: denied { unlink } for pid=383 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 49.643543][ T383] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 50.231757][ T27] audit: type=1401 audit(1757549005.880:110): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 50.343047][ T27] audit: type=1400 audit(1757549005.990:111): avc: denied { create } for pid=413 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 50.479671][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.488002][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.496684][ T417] device bridge_slave_0 entered promiscuous mode [ 50.505523][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.513317][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.521311][ T417] device bridge_slave_1 entered promiscuous mode [ 50.584628][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.591740][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.599365][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.606475][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.631615][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.641177][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.661458][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.669293][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.681357][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.689637][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.696921][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.704802][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.713361][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.720502][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.731079][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.740995][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.754074][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.765004][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.774421][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.782214][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.791487][ T417] device veth0_vlan entered promiscuous mode [ 50.801605][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.810726][ T417] device veth1_macvtap entered promiscuous mode [ 50.820068][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2025/09/11 00:03:26 executed programs: 0 [ 50.831337][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.003808][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.011267][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.019050][ T441] device bridge_slave_0 entered promiscuous mode [ 51.027038][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.034351][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.042391][ T441] device bridge_slave_1 entered promiscuous mode [ 51.062317][ T445] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.069364][ T445] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.076809][ T445] device bridge_slave_0 entered promiscuous mode [ 51.084773][ T445] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.091971][ T445] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.099268][ T445] device bridge_slave_1 entered promiscuous mode [ 51.173850][ T447] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.182168][ T447] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.190450][ T447] device bridge_slave_0 entered promiscuous mode [ 51.205560][ T443] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.214985][ T443] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.223323][ T443] device bridge_slave_0 entered promiscuous mode [ 51.230778][ T447] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.238397][ T447] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.246705][ T447] device bridge_slave_1 entered promiscuous mode [ 51.264911][ T443] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.274206][ T443] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.282020][ T443] device bridge_slave_1 entered promiscuous mode [ 51.362340][ T446] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.369618][ T446] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.377975][ T446] device bridge_slave_0 entered promiscuous mode [ 51.391286][ T446] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.398362][ T446] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.406633][ T446] device bridge_slave_1 entered promiscuous mode [ 51.567389][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.575859][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.583444][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.592376][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.600690][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.607848][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.615320][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.623656][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.632006][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.639126][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.646632][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.654141][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.661787][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.670241][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.678626][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.686026][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.693601][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.702007][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.710119][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.717314][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.725205][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.735702][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.744185][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.752877][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.761271][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.769141][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.800001][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.808547][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.816896][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.825281][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.833148][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.840799][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.849214][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.857518][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.864750][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.872368][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.881370][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.890027][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.897301][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.905041][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.918260][ T443] device veth0_vlan entered promiscuous mode [ 51.938705][ T441] device veth0_vlan entered promiscuous mode [ 51.946592][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.954803][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.962927][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.970527][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.978947][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.987169][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.995595][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.004130][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.012997][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.022120][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.031018][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.039414][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.047830][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.067106][ T441] device veth1_macvtap entered promiscuous mode [ 52.080267][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.090117][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.098715][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.120059][ T443] device veth1_macvtap entered promiscuous mode [ 52.130356][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.139272][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.147583][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.155755][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.164241][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.172852][ T445] device veth0_vlan entered promiscuous mode [ 52.187340][ T40] device bridge_slave_1 left promiscuous mode [ 52.193642][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.201888][ T40] device bridge_slave_0 left promiscuous mode [ 52.208025][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.216461][ T40] device veth1_macvtap left promiscuous mode [ 52.222528][ T40] device veth0_vlan left promiscuous mode [ 52.307018][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.315556][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.324138][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.332804][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.341673][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.367926][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.375855][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.383491][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.392710][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.402310][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.409540][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.418867][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.427832][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.436429][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.443576][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.451587][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.459976][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.473329][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.481299][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.488839][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.496728][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.505585][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.512657][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.520279][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.528969][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.536149][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.543639][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.571992][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.579862][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.588295][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.598712][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.607153][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.615367][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.624299][ T420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.643141][ T445] device veth1_macvtap entered promiscuous mode [ 52.652476][ T447] device veth0_vlan entered promiscuous mode [ 52.671250][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.679747][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.689864][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.698955][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.707225][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.729380][ T447] device veth1_macvtap entered promiscuous mode [ 52.746746][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.761669][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.779826][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.798615][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.811478][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.829979][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.848984][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.868224][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.890053][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.929540][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.960704][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.980857][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.000437][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.023393][ T446] device veth0_vlan entered promiscuous mode [ 53.042877][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.061439][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.081480][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.101381][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.121328][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.132824][ T494] loop5: detected capacity change from 0 to 131072 [ 53.139798][ T494] ======================================================= [ 53.139798][ T494] WARNING: The mand mount option has been deprecated and [ 53.139798][ T494] and is ignored by this kernel. Remove the mand [ 53.139798][ T494] option from the mount to silence this warning. [ 53.139798][ T494] ======================================================= [ 53.177781][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.204898][ T446] device veth1_macvtap entered promiscuous mode [ 53.220034][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.230558][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.239345][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.251229][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.252078][ T494] F2FS-fs (loop5): invalid crc value [ 53.263396][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.292566][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.312022][ T494] F2FS-fs (loop5): Found nat_bits in checkpoint [ 53.331514][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.390998][ T494] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 53.398811][ T27] audit: type=1400 audit(1757549009.040:112): avc: denied { mount } for pid=493 comm="syz.5.16" name="/" dev="loop5" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 53.441342][ T494] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 53.448318][ T494] CPU: 1 PID: 494 Comm: syz.5.16 Not tainted syzkaller #0 [ 53.455659][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 53.465914][ T494] Call Trace: [ 53.469394][ T494] [ 53.472335][ T494] __dump_stack+0x19/0x1c [ 53.476699][ T494] dump_stack_lvl+0xa3/0xec [ 53.481303][ T494] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.486341][ T494] ? _raw_spin_lock+0x8e/0x110 [ 53.491151][ T494] ? __cfi__raw_spin_lock+0x10/0x10 [ 53.496718][ T494] ? f2fs_init_read_extent_tree+0x423/0x980 [ 53.502809][ T494] dump_stack+0x10/0x1c [ 53.506982][ T494] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 53.512560][ T494] f2fs_is_valid_blkaddr+0x9/0x10 [ 53.517606][ T494] sanity_check_extent_cache+0x1ab/0x450 [ 53.523367][ T494] f2fs_iget+0x2f5c/0x47a0 [ 53.527920][ T494] f2fs_lookup+0x1f2/0x800 [ 53.532514][ T494] ? __cfi_f2fs_lookup+0x10/0x10 [ 53.537772][ T494] ? __cfi_d_alloc_parallel+0x10/0x10 [ 53.543332][ T494] ? downgrade_write+0x350/0x350 [ 53.548283][ T494] ? inode_permission+0x83/0x360 [ 53.553364][ T494] ? preempt_schedule+0xa7/0xb0 [ 53.558230][ T494] __lookup_slow+0x24e/0x330 [ 53.562825][ T494] ? lookup_one_len+0x260/0x260 [ 53.567874][ T494] ? down_read+0xa0/0xf0 [ 53.572135][ T494] lookup_slow+0x52/0x70 [ 53.576551][ T494] walk_component+0x261/0x370 [ 53.581323][ T494] path_lookupat+0x85/0x320 [ 53.585929][ T494] filename_lookup+0x1bc/0x420 [ 53.590798][ T494] ? __cfi_filename_lookup+0x10/0x10 [ 53.596278][ T494] ? strncpy_from_user+0x74/0x1c0 [ 53.601391][ T494] ? getname_flags+0xe2/0x440 [ 53.606169][ T494] user_path_at_empty+0x3b/0x170 [ 53.611185][ T494] do_sys_truncate+0x94/0x140 [ 53.615883][ T494] ? __cfi_do_sys_truncate+0x10/0x10 [ 53.621278][ T494] ? fpregs_restore_userregs+0xe1/0x1d0 [ 53.626975][ T494] __x64_sys_truncate+0x56/0x60 [ 53.631943][ T494] x64_sys_call+0x679/0x9a0 [ 53.636576][ T494] do_syscall_64+0x4c/0xa0 [ 53.641193][ T494] ? clear_bhb_loop+0x30/0x80 [ 53.646065][ T494] ? clear_bhb_loop+0x30/0x80 [ 53.651033][ T494] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.657386][ T494] RIP: 0033:0x7f49fdb8e929 [ 53.662014][ T494] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 53.683469][ T494] RSP: 002b:00007f49feab1038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 53.692709][ T494] RAX: ffffffffffffffda RBX: 00007f49fddb5fa0 RCX: 00007f49fdb8e929 [ 53.703058][ T494] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 53.712271][ T494] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 53.721310][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 53.730791][ T494] R13: 0000000000000000 R14: 00007f49fddb5fa0 R15: 00007fffed47e468 [ 53.739895][ T494] [ 53.958307][ T498] loop2: detected capacity change from 0 to 131072 [ 53.965468][ T494] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 53.979446][ T498] F2FS-fs (loop2): invalid crc value [ 53.982906][ T496] loop1: detected capacity change from 0 to 131072 [ 53.992879][ T508] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 53.999765][ T508] CPU: 0 PID: 508 Comm: syz.5.16 Not tainted syzkaller #0 [ 54.007006][ T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 54.017583][ T508] Call Trace: [ 54.021127][ T508] [ 54.024295][ T508] __dump_stack+0x19/0x1c [ 54.029110][ T508] dump_stack_lvl+0xa3/0xec [ 54.033627][ T508] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.038743][ T508] ? _raw_spin_lock+0x8e/0x110 [ 54.043991][ T508] ? __cfi__raw_spin_lock+0x10/0x10 [ 54.049374][ T508] ? f2fs_init_read_extent_tree+0x423/0x980 [ 54.055451][ T508] dump_stack+0x10/0x1c [ 54.059798][ T508] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 54.065453][ T508] f2fs_is_valid_blkaddr+0x9/0x10 [ 54.070678][ T508] sanity_check_extent_cache+0x1ab/0x450 [ 54.076587][ T508] f2fs_iget+0x2f5c/0x47a0 [ 54.081030][ T508] f2fs_lookup+0x1f2/0x800 [ 54.085675][ T508] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.090959][ T508] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.096524][ T508] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.101555][ T508] path_openat+0xe8f/0x2aa0 [ 54.106263][ T508] ? do_filp_open+0x360/0x360 [ 54.111141][ T508] do_filp_open+0x1b0/0x360 [ 54.115843][ T508] ? __cfi_do_filp_open+0x10/0x10 [ 54.120986][ T508] ? alloc_fd+0x40c/0x4c0 [ 54.125621][ T508] do_sys_openat2+0x119/0x6b0 [ 54.130485][ T508] ? do_sys_open+0x80/0x80 [ 54.135353][ T508] ? up_read+0x56/0x1d0 [ 54.139614][ T508] __x64_sys_openat+0xf1/0x120 [ 54.144498][ T508] x64_sys_call+0x783/0x9a0 [ 54.149228][ T508] do_syscall_64+0x4c/0xa0 [ 54.153738][ T508] ? clear_bhb_loop+0x30/0x80 [ 54.158875][ T508] ? clear_bhb_loop+0x30/0x80 [ 54.163676][ T508] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.169852][ T508] RIP: 0033:0x7f49fdb8e929 [ 54.174374][ T508] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 54.194171][ T508] RSP: 002b:00007f49fea90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 54.202769][ T508] RAX: ffffffffffffffda RBX: 00007f49fddb6080 RCX: 00007f49fdb8e929 [ 54.211013][ T508] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 54.219081][ T508] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 54.227241][ T508] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 54.235857][ T508] R13: 0000000000000001 R14: 00007f49fddb6080 R15: 00007fffed47e468 [ 54.244006][ T508] [ 54.256289][ T498] F2FS-fs (loop2): Found nat_bits in checkpoint [ 54.257359][ T508] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 54.281722][ T496] F2FS-fs (loop1): invalid crc value [ 54.336710][ T496] F2FS-fs (loop1): Found nat_bits in checkpoint [ 54.394098][ T496] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 54.404837][ T498] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 54.421676][ T498] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 54.451569][ T496] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 54.457841][ T501] loop3: detected capacity change from 0 to 131072 [ 54.468074][ T498] CPU: 1 PID: 498 Comm: syz.2.18 Not tainted syzkaller #0 [ 54.475670][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 54.486354][ T498] Call Trace: [ 54.489738][ T498] [ 54.492861][ T498] __dump_stack+0x19/0x1c [ 54.497470][ T498] dump_stack_lvl+0xa3/0xec [ 54.502601][ T498] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.507739][ T498] ? _raw_spin_lock+0x8e/0x110 [ 54.512873][ T498] ? __cfi__raw_spin_lock+0x10/0x10 [ 54.518618][ T498] ? f2fs_init_read_extent_tree+0x423/0x980 [ 54.524797][ T498] dump_stack+0x10/0x1c [ 54.529044][ T498] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 54.534730][ T498] f2fs_is_valid_blkaddr+0x9/0x10 [ 54.540308][ T498] sanity_check_extent_cache+0x1ab/0x450 [ 54.546056][ T498] f2fs_iget+0x2f5c/0x47a0 [ 54.550624][ T498] f2fs_lookup+0x1f2/0x800 [ 54.555049][ T498] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.560190][ T498] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.565847][ T498] ? downgrade_write+0x350/0x350 [ 54.571185][ T498] ? inode_permission+0x83/0x360 [ 54.576441][ T498] __lookup_slow+0x24e/0x330 [ 54.581216][ T498] ? lookup_one_len+0x260/0x260 [ 54.586344][ T498] ? down_read+0xa0/0xf0 [ 54.590683][ T498] lookup_slow+0x52/0x70 [ 54.595017][ T498] walk_component+0x261/0x370 [ 54.600025][ T498] path_lookupat+0x85/0x320 [ 54.604641][ T498] filename_lookup+0x1bc/0x420 [ 54.609502][ T498] ? __cfi_filename_lookup+0x10/0x10 [ 54.614973][ T498] ? strncpy_from_user+0x74/0x1c0 [ 54.620001][ T498] ? getname_flags+0xe2/0x440 [ 54.624687][ T498] user_path_at_empty+0x3b/0x170 [ 54.629882][ T498] do_sys_truncate+0x94/0x140 [ 54.634570][ T498] ? __cfi_do_sys_truncate+0x10/0x10 [ 54.640042][ T498] ? fpregs_restore_userregs+0xe1/0x1d0 [ 54.645689][ T498] __x64_sys_truncate+0x56/0x60 [ 54.650632][ T498] x64_sys_call+0x679/0x9a0 [ 54.655484][ T498] do_syscall_64+0x4c/0xa0 [ 54.660001][ T498] ? clear_bhb_loop+0x30/0x80 [ 54.664775][ T498] ? clear_bhb_loop+0x30/0x80 [ 54.669768][ T498] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.676339][ T498] RIP: 0033:0x7f7b5b78e929 [ 54.681484][ T498] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 54.690445][ T506] loop6: detected capacity change from 0 to 131072 [ 54.702715][ T498] RSP: 002b:00007f7b5c600038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 54.702735][ T498] RAX: ffffffffffffffda RBX: 00007f7b5b9b5fa0 RCX: 00007f7b5b78e929 [ 54.702740][ T498] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 54.702744][ T498] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 54.702747][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.702751][ T498] R13: 0000000000000000 R14: 00007f7b5b9b5fa0 R15: 00007ffced4f8148 [ 54.702761][ T498] [ 54.771244][ T496] CPU: 1 PID: 496 Comm: syz.1.17 Not tainted syzkaller #0 [ 54.781571][ T498] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 54.783312][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 54.783319][ T496] Call Trace: [ 54.815610][ T496] [ 54.818559][ T496] __dump_stack+0x19/0x1c [ 54.823154][ T496] dump_stack_lvl+0xa3/0xec [ 54.827877][ T496] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.833656][ T496] ? _raw_spin_lock+0x8e/0x110 [ 54.839489][ T496] ? __cfi__raw_spin_lock+0x10/0x10 [ 54.845925][ T496] ? f2fs_init_read_extent_tree+0x423/0x980 [ 54.853730][ T496] dump_stack+0x10/0x1c [ 54.858801][ T496] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 54.864906][ T496] f2fs_is_valid_blkaddr+0x9/0x10 [ 54.870674][ T496] sanity_check_extent_cache+0x1ab/0x450 [ 54.877300][ T496] f2fs_iget+0x2f5c/0x47a0 [ 54.882876][ T496] f2fs_lookup+0x1f2/0x800 [ 54.888011][ T496] ? __cfi_f2fs_lookup+0x10/0x10 [ 54.893039][ T521] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 54.893818][ T496] ? __cfi_d_alloc_parallel+0x10/0x10 [ 54.893835][ T496] ? downgrade_write+0x350/0x350 [ 54.912945][ T496] ? inode_permission+0x83/0x360 [ 54.918546][ T496] __lookup_slow+0x24e/0x330 [ 54.923282][ T496] ? lookup_one_len+0x260/0x260 [ 54.928839][ T496] ? down_read+0xa0/0xf0 [ 54.933164][ T496] lookup_slow+0x52/0x70 [ 54.937586][ T496] walk_component+0x261/0x370 [ 54.942353][ T496] path_lookupat+0x85/0x320 [ 54.946870][ T496] filename_lookup+0x1bc/0x420 [ 54.951813][ T496] ? __cfi_filename_lookup+0x10/0x10 [ 54.957106][ T496] ? strncpy_from_user+0x74/0x1c0 [ 54.962414][ T496] ? getname_flags+0xe2/0x440 [ 54.967177][ T496] user_path_at_empty+0x3b/0x170 [ 54.972296][ T496] do_sys_truncate+0x94/0x140 [ 54.976969][ T496] ? __cfi_do_sys_truncate+0x10/0x10 [ 54.982247][ T496] ? fpregs_restore_userregs+0xe1/0x1d0 [ 54.987867][ T496] __x64_sys_truncate+0x56/0x60 [ 54.992703][ T496] x64_sys_call+0x679/0x9a0 [ 54.997282][ T496] do_syscall_64+0x4c/0xa0 [ 55.001776][ T496] ? clear_bhb_loop+0x30/0x80 [ 55.006614][ T496] ? clear_bhb_loop+0x30/0x80 [ 55.011371][ T496] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.017368][ T496] RIP: 0033:0x7f383c38e929 [ 55.022129][ T496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 55.042692][ T496] RSP: 002b:00007f383d13b038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 55.051190][ T496] RAX: ffffffffffffffda RBX: 00007f383c5b5fa0 RCX: 00007f383c38e929 [ 55.059584][ T496] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 55.067554][ T496] RBP: 00007f383c410b39 R08: 0000000000000000 R09: 0000000000000000 [ 55.075655][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.083728][ T496] R13: 0000000000000000 R14: 00007f383c5b5fa0 R15: 00007ffd70553668 [ 55.091819][ T496] [ 55.097164][ T521] CPU: 0 PID: 521 Comm: syz.2.18 Not tainted syzkaller #0 [ 55.104486][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 55.114630][ T521] Call Trace: [ 55.118123][ T521] [ 55.121231][ T521] __dump_stack+0x19/0x1c [ 55.125761][ T521] dump_stack_lvl+0xa3/0xec [ 55.131136][ T521] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.136433][ T521] ? _raw_write_lock+0x8e/0xe0 [ 55.141291][ T521] ? __cfi__raw_write_lock+0x10/0x10 [ 55.146579][ T521] dump_stack+0x10/0x1c [ 55.151054][ T521] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 55.156937][ T521] f2fs_is_valid_blkaddr+0x9/0x10 [ 55.162164][ T521] sanity_check_extent_cache+0x1ab/0x450 [ 55.167975][ T521] f2fs_iget+0x2f5c/0x47a0 [ 55.172391][ T521] f2fs_lookup+0x1f2/0x800 [ 55.176976][ T521] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.182020][ T521] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.187653][ T521] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.192676][ T521] path_openat+0xe8f/0x2aa0 [ 55.197378][ T521] ? do_filp_open+0x360/0x360 [ 55.202417][ T521] do_filp_open+0x1b0/0x360 [ 55.206931][ T521] ? __cfi_do_filp_open+0x10/0x10 [ 55.211956][ T521] ? alloc_fd+0x40c/0x4c0 [ 55.216285][ T521] do_sys_openat2+0x119/0x6b0 [ 55.221006][ T521] ? do_sys_open+0x80/0x80 [ 55.225464][ T521] ? up_read+0x56/0x1d0 [ 55.229974][ T521] __x64_sys_openat+0xf1/0x120 [ 55.234760][ T521] x64_sys_call+0x783/0x9a0 [ 55.239574][ T521] do_syscall_64+0x4c/0xa0 [ 55.241515][ T506] F2FS-fs (loop6): invalid crc value [ 55.244042][ T521] ? clear_bhb_loop+0x30/0x80 [ 55.250586][ T501] F2FS-fs (loop3): invalid crc value [ 55.254174][ T521] ? clear_bhb_loop+0x30/0x80 [ 55.254192][ T521] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.254201][ T521] RIP: 0033:0x7f7b5b78e929 [ 55.274667][ T521] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 55.294547][ T521] RSP: 002b:00007f7b5c5df038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.303031][ T521] RAX: ffffffffffffffda RBX: 00007f7b5b9b6080 RCX: 00007f7b5b78e929 [ 55.311106][ T521] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 55.319398][ T521] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 55.327384][ T521] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 55.335458][ T521] R13: 0000000000000001 R14: 00007f7b5b9b6080 R15: 00007ffced4f8148 [ 55.343719][ T521] [ 55.366494][ T521] ================================================================== [ 55.374690][ T521] BUG: KASAN: use-after-free in sanity_check_extent_cache+0x399/0x450 [ 55.383206][ T521] Read of size 4 at addr ffff8881041129a8 by task syz.2.18/521 [ 55.391513][ T521] [ 55.394467][ T521] CPU: 0 PID: 521 Comm: syz.2.18 Not tainted syzkaller #0 [ 55.402735][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 55.413254][ T521] Call Trace: [ 55.416816][ T521] [ 55.419761][ T521] __dump_stack+0x19/0x1c [ 55.424210][ T521] dump_stack_lvl+0xa3/0xec [ 55.428871][ T521] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.434006][ T521] ? dump_stack_lvl+0xb8/0xec [ 55.438965][ T521] print_address_description+0x71/0x1e0 [ 55.444738][ T521] print_report+0x4a/0x60 [ 55.449461][ T521] kasan_report+0x122/0x150 [ 55.454508][ T521] ? sanity_check_extent_cache+0x399/0x450 [ 55.460461][ T521] __asan_report_load4_noabort+0x14/0x20 [ 55.466116][ T521] sanity_check_extent_cache+0x399/0x450 [ 55.471595][ T496] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 55.472107][ T521] f2fs_iget+0x2f5c/0x47a0 [ 55.490527][ T521] f2fs_lookup+0x1f2/0x800 [ 55.490657][ T519] loop5: detected capacity change from 0 to 131072 [ 55.495043][ T521] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.495055][ T521] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.495065][ T521] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.495070][ T521] path_openat+0xe8f/0x2aa0 [ 55.495083][ T521] ? do_filp_open+0x360/0x360 [ 55.503512][ T520] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 55.507291][ T521] do_filp_open+0x1b0/0x360 [ 55.513051][ T501] F2FS-fs (loop3): Found nat_bits in checkpoint [ 55.517776][ T521] ? __cfi_do_filp_open+0x10/0x10 [ 55.523376][ T519] F2FS-fs (loop5): invalid crc value [ 55.527140][ T521] ? alloc_fd+0x40c/0x4c0 [ 55.560246][ T521] do_sys_openat2+0x119/0x6b0 [ 55.565024][ T521] ? do_sys_open+0x80/0x80 [ 55.569540][ T521] ? up_read+0x56/0x1d0 [ 55.573962][ T521] __x64_sys_openat+0xf1/0x120 [ 55.578844][ T521] x64_sys_call+0x783/0x9a0 [ 55.583631][ T521] do_syscall_64+0x4c/0xa0 [ 55.588499][ T521] ? clear_bhb_loop+0x30/0x80 [ 55.593479][ T521] ? clear_bhb_loop+0x30/0x80 [ 55.596168][ T501] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 55.598246][ T521] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.598261][ T521] RIP: 0033:0x7f7b5b78e929 [ 55.598268][ T521] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 55.618232][ T501] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 55.636868][ T521] RSP: 002b:00007f7b5c5df038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.636885][ T521] RAX: ffffffffffffffda RBX: 00007f7b5b9b6080 RCX: 00007f7b5b78e929 [ 55.636889][ T521] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 55.636894][ T521] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 55.636897][ T521] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 55.636901][ T521] R13: 0000000000000001 R14: 00007f7b5b9b6080 R15: 00007ffced4f8148 [ 55.636910][ T521] [ 55.636913][ T521] [ 55.636915][ T521] Allocated by task 498: [ 55.636920][ T521] kasan_set_track+0x4b/0x70 [ 55.636931][ T521] kasan_save_alloc_info+0x25/0x30 [ 55.636938][ T521] __kasan_slab_alloc+0x72/0x80 [ 55.636943][ T521] slab_post_alloc_hook+0x4f/0x280 [ 55.636950][ T521] kmem_cache_alloc+0x16e/0x330 [ 55.636955][ T521] __grab_extent_tree+0x1bb/0x410 [ 55.636961][ T521] f2fs_init_read_extent_tree+0x31d/0x980 [ 55.636967][ T521] f2fs_iget+0x2f4c/0x47a0 [ 55.636973][ T521] f2fs_lookup+0x1f2/0x800 [ 55.636978][ T521] __lookup_slow+0x24e/0x330 [ 55.657674][ T520] CPU: 1 PID: 520 Comm: syz.1.17 Not tainted syzkaller #0 [ 55.660301][ T521] lookup_slow+0x52/0x70 [ 55.668478][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 55.676545][ T521] walk_component+0x261/0x370 [ 55.684782][ T520] Call Trace: [ 55.693027][ T521] path_lookupat+0x85/0x320 [ 55.696067][ T520] [ 55.698560][ T521] filename_lookup+0x1bc/0x420 [ 55.702904][ T520] __dump_stack+0x19/0x1c [ 55.707477][ T521] user_path_at_empty+0x3b/0x170 [ 55.712662][ T520] dump_stack_lvl+0xa3/0xec [ 55.717587][ T521] do_sys_truncate+0x94/0x140 [ 55.722786][ T520] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.728066][ T521] __x64_sys_truncate+0x56/0x60 [ 55.733187][ T520] ? _raw_write_lock+0x8e/0xe0 [ 55.739133][ T521] x64_sys_call+0x679/0x9a0 [ 55.743551][ T520] ? __cfi__raw_write_lock+0x10/0x10 [ 55.748049][ T521] do_syscall_64+0x4c/0xa0 [ 55.753009][ T520] dump_stack+0x10/0x1c [ 55.760405][ T521] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.764736][ T520] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 55.775494][ T521] [ 55.775500][ T521] Freed by task 498: [ 55.780180][ T520] f2fs_is_valid_blkaddr+0x9/0x10 [ 55.783456][ T521] kasan_set_track+0x4b/0x70 [ 55.787947][ T520] sanity_check_extent_cache+0x1ab/0x450 [ 55.790874][ T521] kasan_save_free_info+0x31/0x50 [ 55.795629][ T520] f2fs_iget+0x2f5c/0x47a0 [ 55.800011][ T521] ____kasan_slab_free+0x132/0x180 [ 55.804988][ T520] f2fs_lookup+0x1f2/0x800 [ 55.809560][ T521] __kasan_slab_free+0x11/0x20 [ 55.814311][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.819578][ T521] slab_free_freelist_hook+0xc2/0x190 [ 55.824508][ T520] ? __cfi_d_alloc_parallel+0x10/0x10 [ 55.829354][ T521] kmem_cache_free+0x12f/0x2a0 [ 55.833877][ T520] ? __cfi_f2fs_lookup+0x10/0x10 [ 55.839356][ T521] __destroy_extent_tree+0x2f0/0x450 [ 55.844026][ T520] path_openat+0xe8f/0x2aa0 [ 55.848454][ T521] f2fs_destroy_extent_tree+0xf/0x20 [ 55.854339][ T520] ? do_filp_open+0x360/0x360 [ 55.860221][ T521] f2fs_evict_inode+0x3ef/0x1020 [ 55.862555][ T520] do_filp_open+0x1b0/0x360 [ 55.866441][ T521] evict+0x3eb/0x820 [ 55.871573][ T520] ? __cfi_do_filp_open+0x10/0x10 [ 55.876344][ T521] iput+0x4c1/0x4f0 [ 55.876350][ T521] iget_failed+0x167/0x1b0 [ 55.876356][ T521] f2fs_iget+0x1b64/0x47a0 [ 55.882519][ T520] ? alloc_fd+0x40c/0x4c0 [ 55.887734][ T521] f2fs_lookup+0x1f2/0x800 [ 55.892491][ T520] do_sys_openat2+0x119/0x6b0 [ 55.897586][ T521] __lookup_slow+0x24e/0x330 [ 55.902163][ T520] ? do_sys_open+0x80/0x80 [ 55.907079][ T521] lookup_slow+0x52/0x70 [ 55.912116][ T520] ? up_read+0x56/0x1d0 [ 55.917759][ T521] walk_component+0x261/0x370 [ 55.923299][ T520] __x64_sys_openat+0xf1/0x120 [ 55.928137][ T521] path_lookupat+0x85/0x320 [ 55.933149][ T520] x64_sys_call+0x783/0x9a0 [ 55.938412][ T521] filename_lookup+0x1bc/0x420 [ 55.942921][ T520] do_syscall_64+0x4c/0xa0 [ 55.948187][ T521] user_path_at_empty+0x3b/0x170 [ 55.953024][ T520] ? clear_bhb_loop+0x30/0x80 [ 55.957944][ T521] do_sys_truncate+0x94/0x140 [ 55.962641][ T520] ? clear_bhb_loop+0x30/0x80 [ 55.966555][ T521] __x64_sys_truncate+0x56/0x60 [ 55.971653][ T520] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.975538][ T521] x64_sys_call+0x679/0x9a0 [ 55.980031][ T520] RIP: 0033:0x7f383c38e929 [ 55.984436][ T521] do_syscall_64+0x4c/0xa0 [ 55.988748][ T520] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 55.993154][ T521] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.998046][ T520] RSP: 002b:00007f383d11a038 EFLAGS: 00000246 [ 56.002813][ T521] [ 56.002817][ T521] The buggy address belongs to the object at ffff888104112960 [ 56.002817][ T521] which belongs to the cache f2fs_extent_tree of size 88 [ 56.007390][ T520] ORIG_RAX: 0000000000000101 [ 56.011878][ T521] The buggy address is located 72 bytes inside of [ 56.011878][ T521] 88-byte region [ffff888104112960, ffff8881041129b8) [ 56.016110][ T520] RAX: ffffffffffffffda RBX: 00007f383c5b6080 RCX: 00007f383c38e929 [ 56.020857][ T521] [ 56.020861][ T521] The buggy address belongs to the physical page: [ 56.025602][ T520] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 56.030227][ T521] page:ffffea0004104480 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104112 [ 56.034716][ T520] RBP: 00007f383c410b39 R08: 0000000000000000 R09: 0000000000000000 [ 56.039641][ T521] flags: 0x4000000000000200(slab|zone=1) [ 56.044132][ T520] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 56.049066][ T521] raw: 4000000000000200 0000000000000000 dead000000000122 ffff88810027f680 [ 56.053743][ T520] R13: 0000000000000001 R14: 00007f383c5b6080 R15: 00007ffd70553668 [ 56.058525][ T521] raw: 0000000000000000 0000000080220022 00000001ffffffff 0000000000000000 [ 56.063192][ T520] [ 56.068146][ T521] page dumped because: kasan: bad access detected [ 56.081751][ T506] F2FS-fs (loop6): Found nat_bits in checkpoint [ 56.083208][ T521] page_owner tracks the page as allocated [ 56.113007][ T501] CPU: 1 PID: 501 Comm: syz.3.19 Not tainted syzkaller #0 [ 56.113967][ T521] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 494, tgid 493 (syz.5.16), ts 53441312354, free_ts 0 [ 56.120114][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 56.120119][ T501] Call Trace: [ 56.122465][ T521] prep_new_page+0x58c/0x650 [ 56.137035][ T501] [ 56.141698][ T521] get_page_from_freelist+0x2f0f/0x2f80 [ 56.155420][ T501] __dump_stack+0x19/0x1c [ 56.163382][ T521] __alloc_pages+0x1c3/0x450 [ 56.165712][ T501] dump_stack_lvl+0xa3/0xec [ 56.172191][ T521] alloc_slab_page+0x6e/0xf0 [ 56.180240][ T501] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.191322][ T521] new_slab+0x7c/0x360 [ 56.199300][ T501] ? _raw_spin_lock+0x8e/0x110 [ 56.204955][ T521] ___slab_alloc+0x5d2/0x970 [ 56.212917][ T501] ? __cfi__raw_spin_lock+0x10/0x10 [ 56.221661][ T521] __slab_alloc+0x53/0x90 [ 56.229709][ T501] ? f2fs_init_read_extent_tree+0x423/0x980 [ 56.238279][ T521] kmem_cache_alloc+0x1b0/0x330 [ 56.241381][ T501] dump_stack+0x10/0x1c [ 56.247870][ T521] __grab_extent_tree+0x1bb/0x410 [ 56.254189][ T501] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 56.259902][ T521] f2fs_init_read_extent_tree+0x31d/0x980 [ 56.267014][ T501] f2fs_is_valid_blkaddr+0x9/0x10 [ 56.287126][ T521] f2fs_iget+0x2f4c/0x47a0 [ 56.297174][ T501] sanity_check_extent_cache+0x1ab/0x450 [ 56.300444][ T521] f2fs_lookup+0x1f2/0x800 [ 56.305112][ T501] f2fs_iget+0x2f5c/0x47a0 [ 56.308156][ T521] __lookup_slow+0x24e/0x330 [ 56.313791][ T501] f2fs_lookup+0x1f2/0x800 [ 56.318110][ T521] lookup_slow+0x52/0x70 [ 56.322684][ T501] ? __cfi_f2fs_lookup+0x10/0x10 [ 56.327172][ T521] walk_component+0x261/0x370 [ 56.331754][ T501] ? __cfi_d_alloc_parallel+0x10/0x10 [ 56.336851][ T521] path_lookupat+0x85/0x320 [ 56.340934][ T501] ? downgrade_write+0x350/0x350 [ 56.345680][ T521] page_owner free stack trace missing [ 56.345683][ T521] [ 56.350374][ T501] ? inode_permission+0x83/0x360 [ 56.355558][ T521] Memory state around the buggy address: [ 56.355563][ T521] ffff888104112880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 56.359952][ T501] ? preempt_schedule+0xa7/0xb0 [ 56.365926][ T521] ffff888104112900: fc fc fc fc fc fc fc fc fc fc fc fc fa fb fb fb [ 56.371022][ T501] __lookup_slow+0x24e/0x330 [ 56.375266][ T521] >ffff888104112980: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc [ 56.380448][ T501] ? lookup_one_len+0x260/0x260 [ 56.385976][ T521] ^ [ 56.385981][ T521] ffff888104112a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 56.391785][ T501] ? down_read+0xa0/0xf0 [ 56.396810][ T521] ffff888104112a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 56.401208][ T501] lookup_slow+0x52/0x70 [ 56.406911][ T521] ================================================================== [ 56.410891][ T521] Disabling lock debugging due to kernel taint [ 56.411494][ T501] walk_component+0x261/0x370 [ 56.416030][ T521] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 56.420645][ T501] path_lookupat+0x85/0x320 [ 56.420657][ T501] filename_lookup+0x1bc/0x420 [ 56.420665][ T501] ? __cfi_filename_lookup+0x10/0x10 [ 56.427102][ T520] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 56.429677][ T501] ? strncpy_from_user+0x74/0x1c0 [ 56.609392][ T501] ? getname_flags+0xe2/0x440 [ 56.614244][ T501] user_path_at_empty+0x3b/0x170 [ 56.619551][ T501] do_sys_truncate+0x94/0x140 [ 56.624221][ T501] ? __cfi_do_sys_truncate+0x10/0x10 [ 56.629595][ T501] ? fpregs_restore_userregs+0xe1/0x1d0 [ 56.635131][ T501] __x64_sys_truncate+0x56/0x60 [ 56.640066][ T501] x64_sys_call+0x679/0x9a0 [ 56.644558][ T501] do_syscall_64+0x4c/0xa0 [ 56.648962][ T501] ? clear_bhb_loop+0x30/0x80 [ 56.653906][ T501] ? clear_bhb_loop+0x30/0x80 [ 56.658688][ T501] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.664774][ T501] RIP: 0033:0x7f45fb78e929 [ 56.669274][ T501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 56.689822][ T501] RSP: 002b:00007f45fc58c038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 56.698504][ T501] RAX: ffffffffffffffda RBX: 00007f45fb9b5fa0 RCX: 00007f45fb78e929 [ 56.706557][ T501] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 56.714627][ T501] RBP: 00007f45fb810b39 R08: 0000000000000000 R09: 0000000000000000 [ 56.722933][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.731951][ T501] R13: 0000000000000000 R14: 00007f45fb9b5fa0 R15: 00007fff010fb478 [ 56.740151][ T501] [ 56.749609][ T501] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix 2025/09/11 00:03:32 executed programs: 16 [ 56.757870][ T27] audit: type=1400 audit(1757549012.400:113): avc: denied { read } for pid=81 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 [ 56.804796][ T27] audit: type=1400 audit(1757549012.430:114): avc: denied { search } for pid=81 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 [ 56.807567][ T530] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 56.828310][ T27] audit: type=1400 audit(1757549012.430:115): avc: denied { write } for pid=81 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 [ 56.851779][ T519] F2FS-fs (loop5): Found nat_bits in checkpoint [ 56.879382][ T27] audit: type=1400 audit(1757549012.430:116): avc: denied { add_name } for pid=81 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 56.912397][ T27] audit: type=1400 audit(1757549012.430:117): avc: denied { create } for pid=81 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 56.933132][ T27] audit: type=1400 audit(1757549012.430:118): avc: denied { append open } for pid=81 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 [ 56.956798][ T530] CPU: 1 PID: 530 Comm: syz.3.19 Tainted: G B syzkaller #0 [ 56.956821][ T27] audit: type=1400 audit(1757549012.430:119): avc: denied { getattr } for pid=81 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 [ 56.965664][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 56.965670][ T530] Call Trace: [ 56.965673][ T530] [ 56.965676][ T530] __dump_stack+0x19/0x1c [ 56.965689][ T530] dump_stack_lvl+0xa3/0xec [ 56.965696][ T530] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.965703][ T530] ? _raw_spin_lock+0x8e/0x110 [ 56.965711][ T530] ? __cfi__raw_spin_lock+0x10/0x10 [ 56.965716][ T530] ? f2fs_init_read_extent_tree+0x423/0x980 [ 56.965725][ T530] dump_stack+0x10/0x1c [ 56.965732][ T530] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 56.965740][ T530] f2fs_is_valid_blkaddr+0x9/0x10 [ 56.965745][ T530] sanity_check_extent_cache+0x1ab/0x450 [ 56.965751][ T530] f2fs_iget+0x2f5c/0x47a0 [ 56.965765][ T530] f2fs_lookup+0x1f2/0x800 [ 56.965771][ T530] ? __cfi_f2fs_lookup+0x10/0x10 [ 56.965776][ T530] ? __cfi_d_alloc_parallel+0x10/0x10 [ 56.965787][ T530] ? __cfi_f2fs_lookup+0x10/0x10 [ 56.965793][ T530] path_openat+0xe8f/0x2aa0 [ 56.965806][ T530] ? do_filp_open+0x360/0x360 [ 56.965813][ T530] do_filp_open+0x1b0/0x360 [ 56.965820][ T530] ? __cfi_do_filp_open+0x10/0x10 [ 56.965829][ T530] ? alloc_fd+0x40c/0x4c0 [ 56.965839][ T530] do_sys_openat2+0x119/0x6b0 [ 56.965847][ T530] ? do_sys_open+0x80/0x80 [ 56.965854][ T530] ? up_read+0x56/0x1d0 [ 57.117596][ T530] __x64_sys_openat+0xf1/0x120 [ 57.122535][ T530] x64_sys_call+0x783/0x9a0 [ 57.127035][ T530] do_syscall_64+0x4c/0xa0 [ 57.131615][ T530] ? clear_bhb_loop+0x30/0x80 [ 57.136318][ T530] ? clear_bhb_loop+0x30/0x80 [ 57.140989][ T530] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.147097][ T530] RIP: 0033:0x7f45fb78e929 [ 57.151588][ T530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 57.171797][ T530] RSP: 002b:00007f45fc56b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 57.180198][ T530] RAX: ffffffffffffffda RBX: 00007f45fb9b6080 RCX: 00007f45fb78e929 [ 57.188337][ T530] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 57.196564][ T530] RBP: 00007f45fb810b39 R08: 0000000000000000 R09: 0000000000000000 [ 57.204634][ T530] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 57.213051][ T530] R13: 0000000000000001 R14: 00007f45fb9b6080 R15: 00007fff010fb478 [ 57.221144][ T530] [ 57.261126][ T519] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 57.284181][ T519] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 57.308050][ T519] CPU: 1 PID: 519 Comm: syz.5.21 Tainted: G B syzkaller #0 [ 57.316848][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 57.327270][ T519] Call Trace: [ 57.330657][ T519] [ 57.333680][ T519] __dump_stack+0x19/0x1c [ 57.338019][ T519] dump_stack_lvl+0xa3/0xec [ 57.340978][ T530] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 57.342525][ T519] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.342534][ T519] ? _raw_spin_lock+0x8e/0x110 [ 57.342543][ T519] ? __cfi__raw_spin_lock+0x10/0x10 [ 57.370905][ T519] ? f2fs_init_read_extent_tree+0x423/0x980 [ 57.376865][ T519] dump_stack+0x10/0x1c [ 57.381125][ T519] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 57.386761][ T519] f2fs_is_valid_blkaddr+0x9/0x10 [ 57.391913][ T519] sanity_check_extent_cache+0x1ab/0x450 [ 57.397566][ T519] f2fs_iget+0x2f5c/0x47a0 [ 57.402080][ T519] f2fs_lookup+0x1f2/0x800 [ 57.406590][ T519] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.411552][ T519] ? __cfi_d_alloc_parallel+0x10/0x10 [ 57.416996][ T519] ? downgrade_write+0x350/0x350 [ 57.422121][ T519] ? inode_permission+0x83/0x360 [ 57.427318][ T519] ? preempt_schedule+0xa7/0xb0 [ 57.432261][ T519] __lookup_slow+0x24e/0x330 [ 57.436951][ T519] ? lookup_one_len+0x260/0x260 [ 57.442104][ T519] ? down_read+0xa0/0xf0 [ 57.446445][ T519] lookup_slow+0x52/0x70 [ 57.450836][ T519] walk_component+0x261/0x370 [ 57.455787][ T519] path_lookupat+0x85/0x320 [ 57.460375][ T519] filename_lookup+0x1bc/0x420 [ 57.465314][ T519] ? __cfi_filename_lookup+0x10/0x10 [ 57.470740][ T519] ? strncpy_from_user+0x74/0x1c0 [ 57.475763][ T519] ? getname_flags+0xe2/0x440 [ 57.480455][ T519] user_path_at_empty+0x3b/0x170 [ 57.485648][ T519] do_sys_truncate+0x94/0x140 [ 57.490330][ T519] ? __cfi_do_sys_truncate+0x10/0x10 [ 57.495899][ T519] ? fpregs_restore_userregs+0xe1/0x1d0 [ 57.501716][ T519] __x64_sys_truncate+0x56/0x60 [ 57.506923][ T519] x64_sys_call+0x679/0x9a0 [ 57.511423][ T519] do_syscall_64+0x4c/0xa0 [ 57.516009][ T519] ? clear_bhb_loop+0x30/0x80 [ 57.520689][ T519] ? clear_bhb_loop+0x30/0x80 [ 57.525473][ T519] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.531401][ T519] RIP: 0033:0x7f49fdb8e929 [ 57.535924][ T519] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 57.555531][ T519] RSP: 002b:00007f49feab1038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 57.563952][ T519] RAX: ffffffffffffffda RBX: 00007f49fddb5fa0 RCX: 00007f49fdb8e929 [ 57.572017][ T519] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 57.580020][ T519] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 57.588518][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.596577][ T519] R13: 0000000000000000 R14: 00007f49fddb5fa0 R15: 00007fffed47e468 [ 57.604551][ T519] [ 57.671757][ T519] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 57.821739][ T537] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 57.828785][ T537] CPU: 0 PID: 537 Comm: syz.5.21 Tainted: G B syzkaller #0 [ 57.839423][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 57.850249][ T537] Call Trace: [ 57.853534][ T537] [ 57.856644][ T537] __dump_stack+0x19/0x1c [ 57.860991][ T537] dump_stack_lvl+0xa3/0xec [ 57.865582][ T537] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.870613][ T537] ? _raw_spin_lock+0x8e/0x110 [ 57.875385][ T537] ? __cfi__raw_spin_lock+0x10/0x10 [ 57.880589][ T537] ? f2fs_init_read_extent_tree+0x423/0x980 [ 57.886682][ T537] dump_stack+0x10/0x1c [ 57.890932][ T537] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 57.896571][ T537] f2fs_is_valid_blkaddr+0x9/0x10 [ 57.901774][ T537] sanity_check_extent_cache+0x1ab/0x450 [ 57.907414][ T537] f2fs_iget+0x2f5c/0x47a0 [ 57.911932][ T537] f2fs_lookup+0x1f2/0x800 [ 57.916347][ T537] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.921279][ T537] ? __cfi_d_alloc_parallel+0x10/0x10 [ 57.926678][ T537] ? __cfi_f2fs_lookup+0x10/0x10 [ 57.931609][ T537] path_openat+0xe8f/0x2aa0 [ 57.936213][ T537] ? do_filp_open+0x360/0x360 [ 57.940924][ T537] do_filp_open+0x1b0/0x360 [ 57.945607][ T537] ? __cfi_do_filp_open+0x10/0x10 [ 57.950903][ T537] ? alloc_fd+0x40c/0x4c0 [ 57.955263][ T537] do_sys_openat2+0x119/0x6b0 [ 57.959934][ T537] ? do_sys_open+0x80/0x80 [ 57.964636][ T537] ? up_read+0x56/0x1d0 [ 57.968904][ T537] __x64_sys_openat+0xf1/0x120 [ 57.974105][ T537] x64_sys_call+0x783/0x9a0 [ 57.978711][ T537] do_syscall_64+0x4c/0xa0 [ 57.983316][ T537] ? clear_bhb_loop+0x30/0x80 [ 57.988028][ T537] ? clear_bhb_loop+0x30/0x80 [ 57.992707][ T537] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.998633][ T537] RIP: 0033:0x7f49fdb8e929 [ 58.003140][ T537] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 58.023186][ T537] RSP: 002b:00007f49fea90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 58.031699][ T537] RAX: ffffffffffffffda RBX: 00007f49fddb6080 RCX: 00007f49fdb8e929 [ 58.039766][ T537] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 58.048026][ T537] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 58.056264][ T537] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 58.064499][ T537] R13: 0000000000000001 R14: 00007f49fddb6080 R15: 00007fffed47e468 [ 58.072576][ T537] [ 58.141112][ T536] loop6: detected capacity change from 0 to 131072 [ 58.157538][ T536] F2FS-fs (loop6): invalid crc value [ 58.172534][ T537] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 58.188146][ T536] F2FS-fs (loop6): Found nat_bits in checkpoint [ 58.281066][ T536] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 58.329589][ T536] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 58.349456][ T536] CPU: 0 PID: 536 Comm: syz.6.24 Tainted: G B syzkaller #0 [ 58.358352][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 58.368508][ T536] Call Trace: [ 58.371898][ T536] [ 58.374841][ T536] __dump_stack+0x19/0x1c [ 58.379271][ T536] dump_stack_lvl+0xa3/0xec [ 58.383873][ T536] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.388994][ T536] ? _raw_spin_lock+0x8e/0x110 [ 58.393849][ T536] ? __cfi__raw_spin_lock+0x10/0x10 [ 58.399190][ T536] ? f2fs_init_read_extent_tree+0x423/0x980 [ 58.405208][ T536] dump_stack+0x10/0x1c [ 58.409380][ T536] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 58.414932][ T536] f2fs_is_valid_blkaddr+0x9/0x10 [ 58.419967][ T536] sanity_check_extent_cache+0x1ab/0x450 [ 58.425874][ T536] f2fs_iget+0x2f5c/0x47a0 [ 58.430335][ T536] f2fs_lookup+0x1f2/0x800 [ 58.434758][ T536] ? __cfi_f2fs_lookup+0x10/0x10 [ 58.439699][ T536] ? __cfi_d_alloc_parallel+0x10/0x10 [ 58.445076][ T536] ? downgrade_write+0x350/0x350 [ 58.450026][ T536] ? inode_permission+0x83/0x360 [ 58.455329][ T536] __lookup_slow+0x24e/0x330 [ 58.460110][ T536] ? lookup_one_len+0x260/0x260 [ 58.464966][ T536] ? down_read+0xa0/0xf0 [ 58.469396][ T536] lookup_slow+0x52/0x70 [ 58.473715][ T536] walk_component+0x261/0x370 [ 58.478404][ T536] path_lookupat+0x85/0x320 [ 58.483086][ T536] filename_lookup+0x1bc/0x420 [ 58.487948][ T536] ? __cfi_filename_lookup+0x10/0x10 [ 58.493325][ T536] ? strncpy_from_user+0x74/0x1c0 [ 58.498536][ T536] ? getname_flags+0xe2/0x440 [ 58.503393][ T536] user_path_at_empty+0x3b/0x170 [ 58.508445][ T536] do_sys_truncate+0x94/0x140 [ 58.513135][ T536] ? __cfi_do_sys_truncate+0x10/0x10 [ 58.518665][ T536] ? fpregs_restore_userregs+0xe1/0x1d0 [ 58.524580][ T536] __x64_sys_truncate+0x56/0x60 [ 58.529616][ T536] x64_sys_call+0x679/0x9a0 [ 58.534123][ T536] do_syscall_64+0x4c/0xa0 [ 58.538551][ T536] ? clear_bhb_loop+0x30/0x80 [ 58.543239][ T536] ? clear_bhb_loop+0x30/0x80 [ 58.547933][ T536] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 58.554100][ T536] RIP: 0033:0x7fe1e0d8e929 [ 58.558524][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 58.578664][ T536] RSP: 002b:00007fe1e1b26038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 58.587239][ T536] RAX: ffffffffffffffda RBX: 00007fe1e0fb5fa0 RCX: 00007fe1e0d8e929 [ 58.595397][ T536] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 58.603557][ T536] RBP: 00007fe1e0e10b39 R08: 0000000000000000 R09: 0000000000000000 [ 58.611628][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.619828][ T536] R13: 0000000000000000 R14: 00007fe1e0fb5fa0 R15: 00007ffc0249c0c8 [ 58.628015][ T536] [ 58.764552][ T541] loop1: detected capacity change from 0 to 131072 [ 58.787469][ T540] loop2: detected capacity change from 0 to 131072 [ 58.798966][ T541] F2FS-fs (loop1): invalid crc value [ 58.807153][ T540] F2FS-fs (loop2): invalid crc value [ 58.826019][ T540] F2FS-fs (loop2): Found nat_bits in checkpoint [ 58.832921][ T536] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 58.841772][ T541] F2FS-fs (loop1): Found nat_bits in checkpoint [ 58.871911][ T548] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 58.898625][ T548] CPU: 1 PID: 548 Comm: syz.6.24 Tainted: G B syzkaller #0 [ 58.907857][ T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 58.919056][ T548] Call Trace: [ 58.922434][ T548] [ 58.925692][ T548] __dump_stack+0x19/0x1c [ 58.930665][ T548] dump_stack_lvl+0xa3/0xec [ 58.935305][ T548] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.940432][ T548] ? _raw_write_lock+0x8e/0xe0 [ 58.945304][ T548] ? __cfi__raw_write_lock+0x10/0x10 [ 58.950620][ T548] dump_stack+0x10/0x1c [ 58.950981][ T541] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 58.955031][ T548] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 58.955043][ T548] f2fs_is_valid_blkaddr+0x9/0x10 [ 58.973111][ T548] sanity_check_extent_cache+0x1ab/0x450 [ 58.978767][ T548] f2fs_iget+0x2f5c/0x47a0 [ 58.983472][ T548] f2fs_lookup+0x1f2/0x800 [ 58.987984][ T548] ? __cfi_f2fs_lookup+0x10/0x10 [ 58.992936][ T548] ? __cfi_d_alloc_parallel+0x10/0x10 [ 58.998333][ T548] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.003289][ T548] path_openat+0xe8f/0x2aa0 [ 59.007937][ T548] ? do_filp_open+0x360/0x360 [ 59.012799][ T548] do_filp_open+0x1b0/0x360 [ 59.017398][ T548] ? __cfi_do_filp_open+0x10/0x10 [ 59.021420][ T541] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 59.022521][ T548] ? alloc_fd+0x40c/0x4c0 [ 59.022537][ T548] do_sys_openat2+0x119/0x6b0 [ 59.039209][ T548] ? do_sys_open+0x80/0x80 [ 59.043869][ T548] ? up_read+0x56/0x1d0 [ 59.048391][ T548] __x64_sys_openat+0xf1/0x120 [ 59.053154][ T548] x64_sys_call+0x783/0x9a0 [ 59.058166][ T548] do_syscall_64+0x4c/0xa0 [ 59.062691][ T548] ? clear_bhb_loop+0x30/0x80 [ 59.067475][ T548] ? clear_bhb_loop+0x30/0x80 [ 59.072411][ T548] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.078654][ T548] RIP: 0033:0x7fe1e0d8e929 [ 59.083168][ T548] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 59.103157][ T548] RSP: 002b:00007fe1e0bff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 59.111592][ T548] RAX: ffffffffffffffda RBX: 00007fe1e0fb6080 RCX: 00007fe1e0d8e929 [ 59.120011][ T548] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 59.128770][ T548] RBP: 00007fe1e0e10b39 R08: 0000000000000000 R09: 0000000000000000 [ 59.136757][ T548] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 59.145086][ T548] R13: 0000000000000001 R14: 00007fe1e0fb6080 R15: 00007ffc0249c0c8 [ 59.153471][ T548] [ 59.157729][ T541] CPU: 0 PID: 541 Comm: syz.1.23 Tainted: G B syzkaller #0 [ 59.160648][ T548] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 59.166418][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 59.166425][ T541] Call Trace: [ 59.166428][ T541] [ 59.166432][ T541] __dump_stack+0x19/0x1c [ 59.166445][ T541] dump_stack_lvl+0xa3/0xec [ 59.166452][ T541] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.210478][ T541] ? _raw_spin_lock+0x8e/0x110 [ 59.215422][ T541] ? __cfi__raw_spin_lock+0x10/0x10 [ 59.220720][ T541] ? f2fs_init_read_extent_tree+0x423/0x980 [ 59.226745][ T541] dump_stack+0x10/0x1c [ 59.230900][ T541] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 59.236449][ T541] f2fs_is_valid_blkaddr+0x9/0x10 [ 59.241468][ T541] sanity_check_extent_cache+0x1ab/0x450 [ 59.247229][ T541] f2fs_iget+0x2f5c/0x47a0 [ 59.251919][ T541] f2fs_lookup+0x1f2/0x800 [ 59.256340][ T541] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.261398][ T541] ? __cfi_d_alloc_parallel+0x10/0x10 [ 59.266856][ T541] ? downgrade_write+0x350/0x350 [ 59.272052][ T541] ? inode_permission+0x83/0x360 [ 59.276996][ T541] __lookup_slow+0x24e/0x330 [ 59.281628][ T541] ? lookup_one_len+0x260/0x260 [ 59.286473][ T541] ? down_read+0xa0/0xf0 [ 59.290725][ T541] lookup_slow+0x52/0x70 [ 59.294975][ T541] walk_component+0x261/0x370 [ 59.299742][ T541] path_lookupat+0x85/0x320 [ 59.304332][ T541] filename_lookup+0x1bc/0x420 [ 59.309182][ T541] ? __cfi_filename_lookup+0x10/0x10 [ 59.314645][ T541] ? strncpy_from_user+0x74/0x1c0 [ 59.319679][ T541] ? getname_flags+0xe2/0x440 [ 59.324373][ T541] user_path_at_empty+0x3b/0x170 [ 59.329328][ T541] do_sys_truncate+0x94/0x140 [ 59.334012][ T541] ? __cfi_do_sys_truncate+0x10/0x10 [ 59.339393][ T541] ? fpregs_restore_userregs+0xe1/0x1d0 [ 59.344972][ T541] __x64_sys_truncate+0x56/0x60 [ 59.349934][ T541] x64_sys_call+0x679/0x9a0 [ 59.354709][ T541] do_syscall_64+0x4c/0xa0 [ 59.359221][ T541] ? clear_bhb_loop+0x30/0x80 [ 59.364004][ T541] ? clear_bhb_loop+0x30/0x80 [ 59.368776][ T541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.374781][ T541] RIP: 0033:0x7f383c38e929 [ 59.379381][ T541] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 59.399692][ T541] RSP: 002b:00007f383d13b038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 59.408203][ T541] RAX: ffffffffffffffda RBX: 00007f383c5b5fa0 RCX: 00007f383c38e929 [ 59.416191][ T541] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 59.424349][ T541] RBP: 00007f383c410b39 R08: 0000000000000000 R09: 0000000000000000 [ 59.432423][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.440402][ T541] R13: 0000000000000000 R14: 00007f383c5b5fa0 R15: 00007ffd70553668 [ 59.448507][ T541] [ 59.454554][ T540] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 59.461582][ T541] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 59.491260][ T540] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 59.511374][ T558] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 59.518496][ T540] CPU: 1 PID: 540 Comm: syz.2.22 Tainted: G B syzkaller #0 [ 59.527719][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 59.538248][ T540] Call Trace: [ 59.541967][ T540] [ 59.544916][ T540] __dump_stack+0x19/0x1c [ 59.549280][ T540] dump_stack_lvl+0xa3/0xec [ 59.553914][ T540] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.559214][ T540] ? _raw_spin_lock+0x8e/0x110 [ 59.564156][ T540] ? __cfi__raw_spin_lock+0x10/0x10 [ 59.569729][ T540] ? f2fs_init_read_extent_tree+0x423/0x980 [ 59.575996][ T540] dump_stack+0x10/0x1c [ 59.580158][ T540] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 59.585907][ T540] f2fs_is_valid_blkaddr+0x9/0x10 [ 59.591027][ T540] sanity_check_extent_cache+0x1ab/0x450 [ 59.596760][ T540] f2fs_iget+0x2f5c/0x47a0 [ 59.601237][ T540] f2fs_lookup+0x1f2/0x800 [ 59.605851][ T540] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.610875][ T540] ? __cfi_d_alloc_parallel+0x10/0x10 [ 59.616248][ T540] ? downgrade_write+0x350/0x350 [ 59.621187][ T540] ? inode_permission+0x83/0x360 [ 59.626130][ T540] __lookup_slow+0x24e/0x330 [ 59.630724][ T540] ? lookup_one_len+0x260/0x260 [ 59.635615][ T540] ? down_read+0xa0/0xf0 [ 59.639869][ T540] lookup_slow+0x52/0x70 [ 59.644122][ T540] walk_component+0x261/0x370 [ 59.648808][ T540] path_lookupat+0x85/0x320 [ 59.653499][ T540] filename_lookup+0x1bc/0x420 [ 59.658429][ T540] ? __cfi_filename_lookup+0x10/0x10 [ 59.663732][ T540] ? strncpy_from_user+0x74/0x1c0 [ 59.668853][ T540] ? getname_flags+0xe2/0x440 [ 59.673544][ T540] user_path_at_empty+0x3b/0x170 [ 59.678528][ T540] do_sys_truncate+0x94/0x140 [ 59.683207][ T540] ? __cfi_do_sys_truncate+0x10/0x10 [ 59.688604][ T540] ? fpregs_restore_userregs+0xe1/0x1d0 [ 59.694329][ T540] __x64_sys_truncate+0x56/0x60 [ 59.699194][ T540] x64_sys_call+0x679/0x9a0 [ 59.703770][ T540] do_syscall_64+0x4c/0xa0 [ 59.708193][ T540] ? clear_bhb_loop+0x30/0x80 [ 59.712877][ T540] ? clear_bhb_loop+0x30/0x80 [ 59.717658][ T540] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.723582][ T540] RIP: 0033:0x7f7b5b78e929 [ 59.728024][ T540] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 59.748156][ T540] RSP: 002b:00007f7b5c600038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 59.756870][ T540] RAX: ffffffffffffffda RBX: 00007f7b5b9b5fa0 RCX: 00007f7b5b78e929 [ 59.764949][ T540] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 59.773026][ T540] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 59.781287][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.789451][ T540] R13: 0000000000000000 R14: 00007f7b5b9b5fa0 R15: 00007ffced4f8148 [ 59.797718][ T540] [ 59.800744][ T558] CPU: 0 PID: 558 Comm: syz.1.23 Tainted: G B syzkaller #0 [ 59.809774][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 59.820195][ T558] Call Trace: [ 59.823754][ T558] [ 59.826704][ T558] __dump_stack+0x19/0x1c [ 59.831247][ T558] dump_stack_lvl+0xa3/0xec [ 59.836036][ T558] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.841447][ T558] ? _raw_write_lock+0x8e/0xe0 [ 59.846410][ T558] ? __cfi__raw_write_lock+0x10/0x10 [ 59.852076][ T558] dump_stack+0x10/0x1c [ 59.856480][ T547] loop3: detected capacity change from 0 to 131072 [ 59.857385][ T558] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 59.865510][ T540] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 59.870688][ T558] f2fs_is_valid_blkaddr+0x9/0x10 [ 59.892909][ T558] sanity_check_extent_cache+0x1ab/0x450 [ 59.898907][ T558] f2fs_iget+0x2f5c/0x47a0 [ 59.902362][ T547] F2FS-fs (loop3): invalid crc value [ 59.903793][ T558] f2fs_lookup+0x1f2/0x800 [ 59.914770][ T558] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.920004][ T558] ? __cfi_d_alloc_parallel+0x10/0x10 [ 59.925998][ T558] ? __cfi_f2fs_lookup+0x10/0x10 [ 59.932262][ T558] path_openat+0xe8f/0x2aa0 [ 59.938004][ T558] ? do_filp_open+0x360/0x360 [ 59.943602][ T558] do_filp_open+0x1b0/0x360 [ 59.948524][ T558] ? __cfi_do_filp_open+0x10/0x10 [ 59.953740][ T558] ? alloc_fd+0x40c/0x4c0 [ 59.958350][ T558] do_sys_openat2+0x119/0x6b0 [ 59.963415][ T558] ? do_sys_open+0x80/0x80 [ 59.968514][ T558] ? up_read+0x56/0x1d0 [ 59.972914][ T558] __x64_sys_openat+0xf1/0x120 [ 59.978412][ T558] x64_sys_call+0x783/0x9a0 [ 59.983274][ T558] do_syscall_64+0x4c/0xa0 [ 59.987960][ T558] ? clear_bhb_loop+0x30/0x80 [ 59.993283][ T558] ? clear_bhb_loop+0x30/0x80 [ 59.994420][ T550] loop5: detected capacity change from 0 to 131072 [ 59.998149][ T558] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.011235][ T558] RIP: 0033:0x7f383c38e929 [ 60.015661][ T558] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 60.036597][ T558] RSP: 002b:00007f383d11a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 60.046696][ T558] RAX: ffffffffffffffda RBX: 00007f383c5b6080 RCX: 00007f383c38e929 [ 60.055102][ T558] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 60.063239][ T558] RBP: 00007f383c410b39 R08: 0000000000000000 R09: 0000000000000000 [ 60.072339][ T558] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 60.080676][ T558] R13: 0000000000000001 R14: 00007f383c5b6080 R15: 00007ffd70553668 [ 60.088848][ T558] [ 60.093432][ T560] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 60.100156][ T560] CPU: 1 PID: 560 Comm: syz.2.22 Tainted: G B syzkaller #0 [ 60.109007][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.119275][ T560] Call Trace: [ 60.122686][ T560] [ 60.125627][ T560] __dump_stack+0x19/0x1c [ 60.130057][ T560] dump_stack_lvl+0xa3/0xec [ 60.134569][ T560] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.139681][ T560] ? _raw_spin_lock+0x8e/0x110 [ 60.144614][ T560] ? __cfi__raw_spin_lock+0x10/0x10 [ 60.149808][ T560] ? f2fs_init_read_extent_tree+0x423/0x980 [ 60.155876][ T560] dump_stack+0x10/0x1c [ 60.160046][ T560] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 60.165777][ T560] f2fs_is_valid_blkaddr+0x9/0x10 [ 60.170886][ T560] sanity_check_extent_cache+0x1ab/0x450 [ 60.176763][ T560] f2fs_iget+0x2f5c/0x47a0 [ 60.181294][ T560] f2fs_lookup+0x1f2/0x800 [ 60.181915][ T550] F2FS-fs (loop5): invalid crc value [ 60.186100][ T560] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.186118][ T560] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.186129][ T560] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.186135][ T560] path_openat+0xe8f/0x2aa0 [ 60.186148][ T560] ? do_filp_open+0x360/0x360 [ 60.186157][ T560] do_filp_open+0x1b0/0x360 [ 60.221532][ T560] ? __cfi_do_filp_open+0x10/0x10 [ 60.226575][ T560] ? alloc_fd+0x40c/0x4c0 [ 60.231094][ T560] do_sys_openat2+0x119/0x6b0 [ 60.235857][ T560] ? do_sys_open+0x80/0x80 [ 60.240360][ T560] ? up_read+0x56/0x1d0 [ 60.244532][ T560] __x64_sys_openat+0xf1/0x120 [ 60.249302][ T560] x64_sys_call+0x783/0x9a0 [ 60.253896][ T560] do_syscall_64+0x4c/0xa0 [ 60.258320][ T560] ? clear_bhb_loop+0x30/0x80 [ 60.263167][ T560] ? clear_bhb_loop+0x30/0x80 [ 60.267842][ T560] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.273734][ T560] RIP: 0033:0x7f7b5b78e929 [ 60.278156][ T560] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 60.298700][ T560] RSP: 002b:00007f7b5c5df038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 60.307298][ T560] RAX: ffffffffffffffda RBX: 00007f7b5b9b6080 RCX: 00007f7b5b78e929 [ 60.315362][ T560] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 60.323412][ T560] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 60.332098][ T560] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 60.340149][ T560] R13: 0000000000000001 R14: 00007f7b5b9b6080 R15: 00007ffced4f8148 [ 60.348816][ T560] [ 60.353535][ T560] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 60.354531][ T550] F2FS-fs (loop5): Found nat_bits in checkpoint [ 60.381573][ T547] F2FS-fs (loop3): Found nat_bits in checkpoint [ 60.474886][ T547] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 60.483904][ T550] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 60.506215][ T558] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 60.519599][ T547] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 60.519614][ T547] CPU: 0 PID: 547 Comm: syz.3.25 Tainted: G B syzkaller #0 [ 60.519622][ T547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.519626][ T547] Call Trace: [ 60.519629][ T547] [ 60.519633][ T547] __dump_stack+0x19/0x1c [ 60.556048][ T547] dump_stack_lvl+0xa3/0xec [ 60.560661][ T547] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.562871][ T550] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 60.565705][ T547] ? _raw_spin_lock+0x8e/0x110 [ 60.577262][ T547] ? __cfi__raw_spin_lock+0x10/0x10 [ 60.582674][ T547] ? f2fs_init_read_extent_tree+0x423/0x980 [ 60.588754][ T547] dump_stack+0x10/0x1c [ 60.592919][ T547] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 60.598906][ T547] f2fs_is_valid_blkaddr+0x9/0x10 [ 60.604123][ T547] sanity_check_extent_cache+0x1ab/0x450 [ 60.610046][ T547] f2fs_iget+0x2f5c/0x47a0 [ 60.614575][ T547] f2fs_lookup+0x1f2/0x800 [ 60.619404][ T547] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.624775][ T547] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.630966][ T547] ? downgrade_write+0x350/0x350 [ 60.637522][ T547] ? inode_permission+0x83/0x360 [ 60.643518][ T547] __lookup_slow+0x24e/0x330 [ 60.648740][ T547] ? lookup_one_len+0x260/0x260 [ 60.654315][ T547] ? down_read+0xa0/0xf0 [ 60.658902][ T547] lookup_slow+0x52/0x70 [ 60.663840][ T547] walk_component+0x261/0x370 [ 60.668809][ T547] path_lookupat+0x85/0x320 [ 60.673604][ T547] filename_lookup+0x1bc/0x420 [ 60.678556][ T547] ? __cfi_filename_lookup+0x10/0x10 [ 60.684042][ T547] ? strncpy_from_user+0x74/0x1c0 [ 60.689349][ T547] ? getname_flags+0xe2/0x440 [ 60.694119][ T547] user_path_at_empty+0x3b/0x170 [ 60.710977][ T547] do_sys_truncate+0x94/0x140 [ 60.716370][ T547] ? __cfi_do_sys_truncate+0x10/0x10 [ 60.721970][ T547] ? fpregs_restore_userregs+0xe1/0x1d0 [ 60.728076][ T547] __x64_sys_truncate+0x56/0x60 [ 60.733549][ T547] x64_sys_call+0x679/0x9a0 [ 60.738653][ T547] do_syscall_64+0x4c/0xa0 [ 60.743769][ T547] ? clear_bhb_loop+0x30/0x80 [ 60.748725][ T547] ? clear_bhb_loop+0x30/0x80 [ 60.755202][ T547] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.761587][ T547] RIP: 0033:0x7f45fb78e929 [ 60.766380][ T547] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 60.786999][ T547] RSP: 002b:00007f45fc58c038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 60.796001][ T547] RAX: ffffffffffffffda RBX: 00007f45fb9b5fa0 RCX: 00007f45fb78e929 [ 60.804757][ T547] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 60.813470][ T547] RBP: 00007f45fb810b39 R08: 0000000000000000 R09: 0000000000000000 [ 60.821799][ T547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.830297][ T547] R13: 0000000000000000 R14: 00007f45fb9b5fa0 R15: 00007fff010fb478 [ 60.838924][ T547] [ 60.851718][ T550] CPU: 1 PID: 550 Comm: syz.5.26 Tainted: G B syzkaller #0 [ 60.863148][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.874274][ T550] Call Trace: [ 60.877573][ T550] [ 60.880597][ T550] __dump_stack+0x19/0x1c [ 60.884947][ T550] dump_stack_lvl+0xa3/0xec [ 60.889751][ T550] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.894874][ T550] ? _raw_spin_lock+0x8e/0x110 [ 60.899735][ T550] ? __cfi__raw_spin_lock+0x10/0x10 [ 60.905200][ T550] ? f2fs_init_read_extent_tree+0x423/0x980 [ 60.911986][ T550] dump_stack+0x10/0x1c [ 60.916272][ T550] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 60.921937][ T550] f2fs_is_valid_blkaddr+0x9/0x10 [ 60.927057][ T550] sanity_check_extent_cache+0x1ab/0x450 [ 60.932794][ T550] f2fs_iget+0x2f5c/0x47a0 [ 60.937325][ T550] f2fs_lookup+0x1f2/0x800 [ 60.941754][ T550] ? __cfi_f2fs_lookup+0x10/0x10 [ 60.946717][ T550] ? __cfi_d_alloc_parallel+0x10/0x10 [ 60.952099][ T550] ? downgrade_write+0x350/0x350 [ 60.957281][ T550] ? inode_permission+0x83/0x360 [ 60.962492][ T550] ? preempt_schedule+0xa7/0xb0 [ 60.967348][ T550] __lookup_slow+0x24e/0x330 [ 60.972028][ T550] ? lookup_one_len+0x260/0x260 [ 60.976980][ T550] ? down_read+0xa0/0xf0 [ 60.981236][ T550] lookup_slow+0x52/0x70 [ 60.985489][ T550] walk_component+0x261/0x370 [ 60.990173][ T550] path_lookupat+0x85/0x320 [ 60.994690][ T550] filename_lookup+0x1bc/0x420 [ 60.999466][ T550] ? __cfi_filename_lookup+0x10/0x10 [ 61.004939][ T550] ? strncpy_from_user+0x74/0x1c0 [ 61.010231][ T550] ? getname_flags+0xe2/0x440 [ 61.014995][ T550] user_path_at_empty+0x3b/0x170 [ 61.020018][ T550] do_sys_truncate+0x94/0x140 [ 61.024696][ T550] ? __cfi_do_sys_truncate+0x10/0x10 [ 61.030242][ T550] ? fpregs_restore_userregs+0xe1/0x1d0 [ 61.036232][ T550] __x64_sys_truncate+0x56/0x60 [ 61.041329][ T550] x64_sys_call+0x679/0x9a0 [ 61.045833][ T550] do_syscall_64+0x4c/0xa0 [ 61.050337][ T550] ? clear_bhb_loop+0x30/0x80 [ 61.055009][ T550] ? clear_bhb_loop+0x30/0x80 [ 61.059694][ T550] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.065704][ T550] RIP: 0033:0x7f49fdb8e929 [ 61.070118][ T550] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 61.089810][ T550] RSP: 002b:00007f49feab1038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 61.098358][ T550] RAX: ffffffffffffffda RBX: 00007f49fddb5fa0 RCX: 00007f49fdb8e929 [ 61.106337][ T550] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 61.114308][ T550] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 61.121378][ T547] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.122373][ T550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.122380][ T550] R13: 0000000000000000 R14: 00007f49fddb5fa0 R15: 00007fffed47e468 [ 61.122390][ T550] [ 61.156865][ T576] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 61.166227][ T576] CPU: 0 PID: 576 Comm: syz.3.25 Tainted: G B syzkaller #0 [ 61.175001][ T576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 61.185152][ T576] Call Trace: [ 61.188511][ T576] [ 61.191545][ T576] __dump_stack+0x19/0x1c [ 61.195977][ T576] dump_stack_lvl+0xa3/0xec [ 61.200672][ T576] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.205869][ T576] ? _raw_write_lock+0x8e/0xe0 [ 61.210735][ T576] ? __cfi__raw_write_lock+0x10/0x10 [ 61.216191][ T576] dump_stack+0x10/0x1c [ 61.220530][ T576] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 61.226117][ T576] f2fs_is_valid_blkaddr+0x9/0x10 [ 61.231416][ T576] sanity_check_extent_cache+0x1ab/0x450 [ 61.237056][ T576] f2fs_iget+0x2f5c/0x47a0 [ 61.241591][ T576] f2fs_lookup+0x1f2/0x800 [ 61.246026][ T576] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.251028][ T576] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.256416][ T576] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.261414][ T576] path_openat+0xe8f/0x2aa0 [ 61.266018][ T576] ? do_filp_open+0x360/0x360 [ 61.271005][ T576] do_filp_open+0x1b0/0x360 [ 61.275511][ T576] ? __cfi_do_filp_open+0x10/0x10 [ 61.280631][ T576] ? alloc_fd+0x40c/0x4c0 [ 61.284968][ T576] do_sys_openat2+0x119/0x6b0 [ 61.289747][ T576] ? do_sys_open+0x80/0x80 [ 61.294336][ T576] ? up_read+0x56/0x1d0 [ 61.298514][ T576] __x64_sys_openat+0xf1/0x120 [ 61.303294][ T576] x64_sys_call+0x783/0x9a0 [ 61.307797][ T576] do_syscall_64+0x4c/0xa0 [ 61.312214][ T576] ? clear_bhb_loop+0x30/0x80 [ 61.317063][ T576] ? clear_bhb_loop+0x30/0x80 [ 61.321913][ T576] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.327809][ T576] RIP: 0033:0x7f45fb78e929 [ 61.332225][ T576] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 61.352183][ T576] RSP: 002b:00007f45fc56b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.360970][ T576] RAX: ffffffffffffffda RBX: 00007f45fb9b6080 RCX: 00007f45fb78e929 [ 61.368950][ T576] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 61.372970][ T562] loop6: detected capacity change from 0 to 131072 [ 61.377367][ T576] RBP: 00007f45fb810b39 R08: 0000000000000000 R09: 0000000000000000 [ 61.391935][ T576] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 61.400089][ T576] R13: 0000000000000001 R14: 00007f45fb9b6080 R15: 00007fff010fb478 [ 61.408596][ T576] [ 61.415935][ T562] F2FS-fs (loop6): invalid crc value [ 61.438131][ T562] F2FS-fs (loop6): Found nat_bits in checkpoint [ 61.501085][ T562] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5 [ 61.521211][ T562] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 61.539467][ T562] CPU: 1 PID: 562 Comm: syz.6.27 Tainted: G B syzkaller #0 [ 61.548533][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 61.559001][ T562] Call Trace: [ 61.562562][ T562] [ 61.565690][ T562] __dump_stack+0x19/0x1c [ 61.570205][ T562] dump_stack_lvl+0xa3/0xec [ 61.574719][ T562] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.579846][ T562] ? _raw_spin_lock+0x8e/0x110 [ 61.584710][ T562] ? __cfi__raw_spin_lock+0x10/0x10 [ 61.589925][ T562] ? f2fs_init_read_extent_tree+0x423/0x980 [ 61.596128][ T562] dump_stack+0x10/0x1c [ 61.600530][ T562] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 61.607233][ T562] f2fs_is_valid_blkaddr+0x9/0x10 [ 61.612811][ T562] sanity_check_extent_cache+0x1ab/0x450 [ 61.618760][ T562] f2fs_iget+0x2f5c/0x47a0 [ 61.623397][ T562] f2fs_lookup+0x1f2/0x800 [ 61.628081][ T562] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.633112][ T562] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.638494][ T562] ? downgrade_write+0x350/0x350 [ 61.643791][ T562] ? inode_permission+0x83/0x360 [ 61.648823][ T562] ? preempt_schedule+0xa7/0xb0 [ 61.653684][ T562] __lookup_slow+0x24e/0x330 [ 61.658292][ T562] ? lookup_one_len+0x260/0x260 [ 61.663572][ T562] ? down_read+0xa0/0xf0 [ 61.668103][ T562] lookup_slow+0x52/0x70 [ 61.672808][ T562] walk_component+0x261/0x370 [ 61.677951][ T562] path_lookupat+0x85/0x320 [ 61.681014][ T550] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.683153][ T562] filename_lookup+0x1bc/0x420 [ 61.683169][ T562] ? __cfi_filename_lookup+0x10/0x10 [ 61.683181][ T562] ? strncpy_from_user+0x74/0x1c0 [ 61.683190][ T562] ? getname_flags+0xe2/0x440 [ 61.717297][ T562] user_path_at_empty+0x3b/0x170 [ 61.722515][ T562] do_sys_truncate+0x94/0x140 [ 61.727316][ T576] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 61.727383][ T562] ? __cfi_do_sys_truncate+0x10/0x10 [ 61.746234][ T562] ? fpregs_restore_userregs+0xe1/0x1d0 [ 61.752150][ T562] __x64_sys_truncate+0x56/0x60 [ 61.757119][ T562] x64_sys_call+0x679/0x9a0 [ 61.761996][ T562] do_syscall_64+0x4c/0xa0 [ 61.766417][ T575] loop1: detected capacity change from 0 to 131072 [ 61.766741][ T562] ? clear_bhb_loop+0x30/0x80 [ 61.774257][ T571] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 61.777935][ T562] ? clear_bhb_loop+0x30/0x80 [ 61.777957][ T562] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.796156][ T562] RIP: 0033:0x7fe1e0d8e929 [ 61.796458][ T575] F2FS-fs (loop1): invalid crc value [ 61.800703][ T562] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 61.826218][ T562] RSP: 002b:00007fe1e1b26038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 61.835074][ T562] RAX: ffffffffffffffda RBX: 00007fe1e0fb5fa0 RCX: 00007fe1e0d8e929 [ 61.843483][ T562] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 2025/09/11 00:03:37 executed programs: 24 [ 61.851827][ T562] RBP: 00007fe1e0e10b39 R08: 0000000000000000 R09: 0000000000000000 [ 61.859969][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.868402][ T562] R13: 0000000000000000 R14: 00007fe1e0fb5fa0 R15: 00007ffc0249c0c8 [ 61.876904][ T562] [ 61.879929][ T571] CPU: 0 PID: 571 Comm: syz.5.26 Tainted: G B syzkaller #0 [ 61.888710][ T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 61.899037][ T571] Call Trace: [ 61.902332][ T571] [ 61.905376][ T571] __dump_stack+0x19/0x1c [ 61.910001][ T571] dump_stack_lvl+0xa3/0xec [ 61.914868][ T571] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.920351][ T571] ? _raw_spin_lock+0x8e/0x110 [ 61.925216][ T571] ? __cfi__raw_spin_lock+0x10/0x10 [ 61.930510][ T571] ? f2fs_init_read_extent_tree+0x423/0x980 [ 61.936505][ T571] dump_stack+0x10/0x1c [ 61.940940][ T571] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 61.946674][ T571] f2fs_is_valid_blkaddr+0x9/0x10 [ 61.951846][ T571] sanity_check_extent_cache+0x1ab/0x450 [ 61.957679][ T571] f2fs_iget+0x2f5c/0x47a0 [ 61.962203][ T571] f2fs_lookup+0x1f2/0x800 [ 61.966636][ T571] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.971666][ T571] ? __cfi_d_alloc_parallel+0x10/0x10 [ 61.977410][ T571] ? __cfi_f2fs_lookup+0x10/0x10 [ 61.982703][ T571] path_openat+0xe8f/0x2aa0 [ 61.987386][ T571] ? do_filp_open+0x360/0x360 [ 61.992161][ T571] do_filp_open+0x1b0/0x360 [ 61.996674][ T571] ? __cfi_do_filp_open+0x10/0x10 [ 62.002155][ T571] ? alloc_fd+0x40c/0x4c0 [ 62.006670][ T571] do_sys_openat2+0x119/0x6b0 [ 62.011461][ T571] ? do_sys_open+0x80/0x80 [ 62.015992][ T571] ? up_read+0x56/0x1d0 [ 62.020157][ T571] __x64_sys_openat+0xf1/0x120 [ 62.025285][ T571] x64_sys_call+0x783/0x9a0 [ 62.029888][ T571] do_syscall_64+0x4c/0xa0 [ 62.034321][ T571] ? clear_bhb_loop+0x30/0x80 [ 62.039102][ T571] ? clear_bhb_loop+0x30/0x80 [ 62.043835][ T571] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 62.048179][ T573] loop2: detected capacity change from 0 to 131072 [ 62.049951][ T571] RIP: 0033:0x7f49fdb8e929 [ 62.057440][ T562] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 62.061012][ T571] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 62.061019][ T571] RSP: 002b:00007f49fea90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 62.061028][ T571] RAX: ffffffffffffffda RBX: 00007f49fddb6080 RCX: 00007f49fdb8e929 [ 62.061033][ T571] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 62.078142][ T573] F2FS-fs (loop2): invalid crc value [ 62.093872][ T571] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 62.093883][ T571] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 62.093887][ T571] R13: 0000000000000001 R14: 00007f49fddb6080 R15: 00007fffed47e468 [ 62.093896][ T571] [ 62.102771][ T571] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 62.126188][ T582] F2FS-fs (loop6): access invalid blkaddr:2147563524 [ 62.135692][ T575] F2FS-fs (loop1): Found nat_bits in checkpoint [ 62.175057][ T582] CPU: 1 PID: 582 Comm: syz.6.27 Tainted: G B syzkaller #0 [ 62.187716][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 62.198041][ T582] Call Trace: [ 62.201354][ T582] [ 62.204416][ T582] __dump_stack+0x19/0x1c [ 62.208825][ T582] dump_stack_lvl+0xa3/0xec [ 62.213580][ T582] ? __cfi_dump_stack_lvl+0x8/0x8 [ 62.218679][ T582] ? _raw_spin_lock+0x8e/0x110 [ 62.223520][ T582] ? __cfi__raw_spin_lock+0x10/0x10 [ 62.228925][ T582] ? f2fs_init_read_extent_tree+0x423/0x980 [ 62.234807][ T582] dump_stack+0x10/0x1c [ 62.238954][ T582] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 62.244665][ T582] f2fs_is_valid_blkaddr+0x9/0x10 [ 62.249852][ T582] sanity_check_extent_cache+0x1ab/0x450 [ 62.255733][ T582] f2fs_iget+0x2f5c/0x47a0 [ 62.260167][ T582] f2fs_lookup+0x1f2/0x800 [ 62.264772][ T582] ? __cfi_f2fs_lookup+0x10/0x10 [ 62.269701][ T582] ? __cfi_d_alloc_parallel+0x10/0x10 [ 62.275148][ T582] ? __cfi_f2fs_lookup+0x10/0x10 [ 62.280070][ T582] path_openat+0xe8f/0x2aa0 [ 62.284652][ T582] ? do_filp_open+0x360/0x360 [ 62.289324][ T582] do_filp_open+0x1b0/0x360 [ 62.293904][ T582] ? __cfi_do_filp_open+0x10/0x10 [ 62.299008][ T582] ? alloc_fd+0x40c/0x4c0 [ 62.303422][ T582] do_sys_openat2+0x119/0x6b0 [ 62.308263][ T582] ? do_sys_open+0x80/0x80 [ 62.312854][ T582] ? up_read+0x56/0x1d0 [ 62.317003][ T582] __x64_sys_openat+0xf1/0x120 [ 62.321925][ T582] x64_sys_call+0x783/0x9a0 [ 62.326432][ T582] do_syscall_64+0x4c/0xa0 [ 62.330835][ T582] ? clear_bhb_loop+0x30/0x80 [ 62.336216][ T582] ? clear_bhb_loop+0x30/0x80 [ 62.340977][ T582] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 62.346973][ T582] RIP: 0033:0x7fe1e0d8e929 [ 62.351655][ T582] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 62.371352][ T582] RSP: 002b:00007fe1e0bff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 62.379851][ T582] RAX: ffffffffffffffda RBX: 00007fe1e0fb6080 RCX: 00007fe1e0d8e929 [ 62.387906][ T582] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 62.396061][ T582] RBP: 00007fe1e0e10b39 R08: 0000000000000000 R09: 0000000000000000 [ 62.404320][ T582] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 62.412371][ T582] R13: 0000000000000001 R14: 00007fe1e0fb6080 R15: 00007ffc0249c0c8 [ 62.420525][ T582] [ 62.424123][ T582] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 62.436601][ T573] F2FS-fs (loop2): Found nat_bits in checkpoint [ 62.476842][ T575] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 62.491300][ T575] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 62.511728][ T575] CPU: 0 PID: 575 Comm: syz.1.29 Tainted: G B syzkaller #0 [ 62.520462][ T575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 62.522253][ T573] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 62.530787][ T575] Call Trace: [ 62.541604][ T575] [ 62.544626][ T575] __dump_stack+0x19/0x1c [ 62.549143][ T575] dump_stack_lvl+0xa3/0xec [ 62.553831][ T575] ? __cfi_dump_stack_lvl+0x8/0x8 [ 62.559308][ T575] ? _raw_spin_lock+0x8e/0x110 [ 62.564080][ T575] ? __cfi__raw_spin_lock+0x10/0x10 [ 62.569411][ T575] ? f2fs_init_read_extent_tree+0x423/0x980 [ 62.575317][ T575] dump_stack+0x10/0x1c [ 62.579489][ T575] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 62.585089][ T575] f2fs_is_valid_blkaddr+0x9/0x10 [ 62.590221][ T575] sanity_check_extent_cache+0x1ab/0x450 [ 62.595871][ T575] f2fs_iget+0x2f5c/0x47a0 [ 62.600364][ T575] f2fs_lookup+0x1f2/0x800 [ 62.604790][ T575] ? __cfi_f2fs_lookup+0x10/0x10 [ 62.609764][ T575] ? __cfi_d_alloc_parallel+0x10/0x10 [ 62.615238][ T575] ? downgrade_write+0x350/0x350 [ 62.620185][ T575] ? inode_permission+0x83/0x360 [ 62.625148][ T575] ? preempt_schedule+0xa7/0xb0 [ 62.630262][ T575] __lookup_slow+0x24e/0x330 [ 62.634854][ T575] ? lookup_one_len+0x260/0x260 [ 62.639709][ T575] ? down_read+0xa0/0xf0 [ 62.643956][ T575] lookup_slow+0x52/0x70 [ 62.648214][ T575] walk_component+0x261/0x370 [ 62.652956][ T575] path_lookupat+0x85/0x320 [ 62.657565][ T575] filename_lookup+0x1bc/0x420 [ 62.662614][ T575] ? __cfi_filename_lookup+0x10/0x10 [ 62.667998][ T575] ? strncpy_from_user+0x74/0x1c0 [ 62.673119][ T575] ? getname_flags+0xe2/0x440 [ 62.677934][ T575] user_path_at_empty+0x3b/0x170 [ 62.682962][ T575] do_sys_truncate+0x94/0x140 [ 62.687806][ T575] ? __cfi_do_sys_truncate+0x10/0x10 [ 62.693176][ T575] ? fpregs_restore_userregs+0xe1/0x1d0 [ 62.698733][ T575] __x64_sys_truncate+0x56/0x60 [ 62.703775][ T575] x64_sys_call+0x679/0x9a0 [ 62.708390][ T575] do_syscall_64+0x4c/0xa0 [ 62.712912][ T575] ? clear_bhb_loop+0x30/0x80 [ 62.717846][ T575] ? clear_bhb_loop+0x30/0x80 [ 62.722529][ T575] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 62.729385][ T575] RIP: 0033:0x7f383c38e929 [ 62.733889][ T575] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 62.754721][ T575] RSP: 002b:00007f383d13b038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 62.763839][ T575] RAX: ffffffffffffffda RBX: 00007f383c5b5fa0 RCX: 00007f383c38e929 [ 62.772172][ T575] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 62.780512][ T575] RBP: 00007f383c410b39 R08: 0000000000000000 R09: 0000000000000000 [ 62.788665][ T575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 62.797014][ T575] R13: 0000000000000000 R14: 00007f383c5b5fa0 R15: 00007ffd70553668 [ 62.805422][ T575] [ 62.808926][ T573] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 62.834116][ T573] CPU: 0 PID: 573 Comm: syz.2.28 Tainted: G B syzkaller #0 [ 62.842944][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 62.853099][ T573] Call Trace: [ 62.856472][ T573] [ 62.859422][ T573] __dump_stack+0x19/0x1c [ 62.864020][ T573] dump_stack_lvl+0xa3/0xec [ 62.868531][ T573] ? __cfi_dump_stack_lvl+0x8/0x8 [ 62.873819][ T573] ? _raw_spin_lock+0x8e/0x110 [ 62.878591][ T573] ? __cfi__raw_spin_lock+0x10/0x10 [ 62.883791][ T573] dump_stack+0x10/0x1c [ 62.887953][ T573] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 62.893776][ T573] f2fs_is_valid_blkaddr+0x9/0x10 [ 62.899153][ T573] sanity_check_extent_cache+0x1ab/0x450 [ 62.900392][ T575] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 62.904963][ T573] f2fs_iget+0x2f5c/0x47a0 [ 62.904982][ T573] f2fs_lookup+0x1f2/0x800 [ 62.927459][ T573] ? __cfi_f2fs_lookup+0x10/0x10 [ 62.932668][ T573] ? __cfi_d_alloc_parallel+0x10/0x10 [ 62.938222][ T573] ? downgrade_write+0x350/0x350 [ 62.943340][ T573] ? inode_permission+0x83/0x360 [ 62.948454][ T573] ? preempt_schedule+0xa7/0xb0 [ 62.953512][ T573] __lookup_slow+0x24e/0x330 [ 62.958197][ T573] ? lookup_one_len+0x260/0x260 [ 62.963050][ T573] ? down_read+0xa0/0xf0 [ 62.967466][ T573] lookup_slow+0x52/0x70 [ 62.971901][ T573] walk_component+0x261/0x370 [ 62.976579][ T573] path_lookupat+0x85/0x320 [ 62.981083][ T573] filename_lookup+0x1bc/0x420 [ 62.985863][ T573] ? __cfi_filename_lookup+0x10/0x10 [ 62.991153][ T573] ? strncpy_from_user+0x74/0x1c0 [ 62.996179][ T573] ? getname_flags+0xe2/0x440 [ 63.001070][ T573] user_path_at_empty+0x3b/0x170 [ 63.006470][ T573] do_sys_truncate+0x94/0x140 [ 63.011251][ T573] ? __cfi_do_sys_truncate+0x10/0x10 [ 63.016801][ T573] ? fpregs_restore_userregs+0xe1/0x1d0 [ 63.022443][ T573] __x64_sys_truncate+0x56/0x60 [ 63.027399][ T573] x64_sys_call+0x679/0x9a0 [ 63.031934][ T573] do_syscall_64+0x4c/0xa0 [ 63.036499][ T573] ? clear_bhb_loop+0x30/0x80 [ 63.041437][ T573] ? clear_bhb_loop+0x30/0x80 [ 63.046214][ T573] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 63.052378][ T573] RIP: 0033:0x7f7b5b78e929 [ 63.056800][ T573] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 63.077726][ T573] RSP: 002b:00007f7b5c600038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 63.086246][ T573] RAX: ffffffffffffffda RBX: 00007f7b5b9b5fa0 RCX: 00007f7b5b78e929 [ 63.094593][ T573] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 63.102726][ T573] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 63.110806][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.118877][ T573] R13: 0000000000000000 R14: 00007f7b5b9b5fa0 R15: 00007ffced4f8148 [ 63.127212][ T573] [ 63.135278][ T573] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 63.149055][ T590] F2FS-fs (loop2): access invalid blkaddr:2147563524 [ 63.156673][ T590] CPU: 0 PID: 590 Comm: syz.2.28 Tainted: G B syzkaller #0 [ 63.165454][ T590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 63.175968][ T590] Call Trace: [ 63.179265][ T590] [ 63.182209][ T590] __dump_stack+0x19/0x1c [ 63.186558][ T590] dump_stack_lvl+0xa3/0xec [ 63.191159][ T590] ? __cfi_dump_stack_lvl+0x8/0x8 [ 63.196294][ T590] ? _raw_spin_lock+0x8e/0x110 [ 63.201072][ T590] ? __cfi__raw_spin_lock+0x10/0x10 [ 63.206483][ T590] ? f2fs_init_read_extent_tree+0x423/0x980 [ 63.212446][ T590] dump_stack+0x10/0x1c [ 63.216701][ T590] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 63.222773][ T590] f2fs_is_valid_blkaddr+0x9/0x10 [ 63.227818][ T590] sanity_check_extent_cache+0x1ab/0x450 [ 63.233541][ T590] f2fs_iget+0x2f5c/0x47a0 [ 63.237970][ T590] f2fs_lookup+0x1f2/0x800 [ 63.242490][ T590] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.247523][ T590] ? __cfi_d_alloc_parallel+0x10/0x10 [ 63.253426][ T590] ? __cfi_f2fs_lookup+0x10/0x10 [ 63.258382][ T590] path_openat+0xe8f/0x2aa0 [ 63.263230][ T590] ? do_filp_open+0x360/0x360 [ 63.268097][ T590] do_filp_open+0x1b0/0x360 [ 63.272608][ T590] ? __cfi_do_filp_open+0x10/0x10 [ 63.277653][ T590] ? alloc_fd+0x40c/0x4c0 [ 63.282091][ T590] do_sys_openat2+0x119/0x6b0 [ 63.287051][ T590] ? do_sys_open+0x80/0x80 [ 63.291573][ T590] ? up_read+0x56/0x1d0 [ 63.295835][ T590] __x64_sys_openat+0xf1/0x120 [ 63.300604][ T590] x64_sys_call+0x783/0x9a0 [ 63.305115][ T590] do_syscall_64+0x4c/0xa0 [ 63.309541][ T590] ? clear_bhb_loop+0x30/0x80 [ 63.314311][ T590] ? clear_bhb_loop+0x30/0x80 [ 63.319089][ T590] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 63.325098][ T590] RIP: 0033:0x7f7b5b78e929 [ 63.329622][ T590] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 63.349673][ T590] RSP: 002b:00007f7b5c5df038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 63.358281][ T590] RAX: ffffffffffffffda RBX: 00007f7b5b9b6080 RCX: 00007f7b5b78e929 [ 63.366272][ T590] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 63.374260][ T590] RBP: 00007f7b5b810b39 R08: 0000000000000000 R09: 0000000000000000 [ 63.382509][ T590] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 63.390494][ T590] R13: 0000000000000001 R14: 00007f7b5b9b6080 R15: 00007ffced4f8148 [ 63.398581][ T590] [ 63.411062][ T590] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 63.949045][ T592] loop5: detected capacity change from 0 to 131072 [ 63.965623][ T592] F2FS-fs (loop5): invalid crc value [ 64.032602][ T592] F2FS-fs (loop5): Found nat_bits in checkpoint [ 64.091062][ T592] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 64.109550][ T592] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 64.129457][ T592] CPU: 0 PID: 592 Comm: syz.5.31 Tainted: G B syzkaller #0 [ 64.138181][ T592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 64.148717][ T592] Call Trace: [ 64.152101][ T592] [ 64.155215][ T592] __dump_stack+0x19/0x1c [ 64.159552][ T592] dump_stack_lvl+0xa3/0xec [ 64.164139][ T592] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.169173][ T592] ? _raw_spin_lock+0x8e/0x110 [ 64.174033][ T592] ? __cfi__raw_spin_lock+0x10/0x10 [ 64.179240][ T592] ? f2fs_init_read_extent_tree+0x423/0x980 [ 64.185143][ T592] dump_stack+0x10/0x1c [ 64.189485][ T592] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 64.195126][ T592] f2fs_is_valid_blkaddr+0x9/0x10 [ 64.200242][ T592] sanity_check_extent_cache+0x1ab/0x450 [ 64.206067][ T592] f2fs_iget+0x2f5c/0x47a0 [ 64.210505][ T592] f2fs_lookup+0x1f2/0x800 [ 64.215030][ T592] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.220061][ T592] ? __cfi_d_alloc_parallel+0x10/0x10 [ 64.225464][ T592] ? downgrade_write+0x350/0x350 [ 64.230580][ T592] ? inode_permission+0x83/0x360 [ 64.235634][ T592] __lookup_slow+0x24e/0x330 [ 64.240434][ T592] ? lookup_one_len+0x260/0x260 [ 64.245470][ T592] ? down_read+0xa0/0xf0 [ 64.249724][ T592] lookup_slow+0x52/0x70 [ 64.254066][ T592] walk_component+0x261/0x370 [ 64.258770][ T592] path_lookupat+0x85/0x320 [ 64.263401][ T592] filename_lookup+0x1bc/0x420 [ 64.268188][ T592] ? __cfi_filename_lookup+0x10/0x10 [ 64.269728][ T595] loop3: detected capacity change from 0 to 131072 [ 64.273571][ T592] ? strncpy_from_user+0x74/0x1c0 [ 64.273585][ T592] ? getname_flags+0xe2/0x440 [ 64.273595][ T592] user_path_at_empty+0x3b/0x170 [ 64.295406][ T592] do_sys_truncate+0x94/0x140 [ 64.300197][ T592] ? __cfi_do_sys_truncate+0x10/0x10 [ 64.306032][ T592] ? fpregs_restore_userregs+0xe1/0x1d0 [ 64.311775][ T592] __x64_sys_truncate+0x56/0x60 [ 64.316763][ T592] x64_sys_call+0x679/0x9a0 [ 64.321463][ T592] do_syscall_64+0x4c/0xa0 [ 64.325915][ T592] ? clear_bhb_loop+0x30/0x80 [ 64.330598][ T592] ? clear_bhb_loop+0x30/0x80 [ 64.335543][ T592] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 64.341804][ T592] RIP: 0033:0x7f49fdb8e929 [ 64.346407][ T592] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 64.366900][ T592] RSP: 002b:00007f49feab1038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 64.375509][ T592] RAX: ffffffffffffffda RBX: 00007f49fddb5fa0 RCX: 00007f49fdb8e929 [ 64.382371][ T595] F2FS-fs (loop3): invalid crc value [ 64.383750][ T592] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 64.397478][ T592] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 64.405813][ T592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.414002][ T592] R13: 0000000000000000 R14: 00007f49fddb5fa0 R15: 00007fffed47e468 [ 64.422698][ T592] [ 64.458262][ T595] F2FS-fs (loop3): Found nat_bits in checkpoint [ 64.531631][ T595] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5 [ 64.550031][ T595] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 64.559738][ T595] CPU: 0 PID: 595 Comm: syz.3.30 Tainted: G B syzkaller #0 [ 64.568647][ T595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 64.578812][ T595] Call Trace: [ 64.582121][ T595] [ 64.585073][ T595] __dump_stack+0x19/0x1c [ 64.589504][ T595] dump_stack_lvl+0xa3/0xec [ 64.594150][ T595] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.599198][ T595] ? _raw_spin_lock+0x8e/0x110 [ 64.603980][ T595] ? __cfi__raw_spin_lock+0x10/0x10 [ 64.609199][ T595] ? f2fs_init_read_extent_tree+0x423/0x980 [ 64.615206][ T595] dump_stack+0x10/0x1c [ 64.619423][ T595] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 64.625336][ T595] f2fs_is_valid_blkaddr+0x9/0x10 [ 64.630375][ T595] sanity_check_extent_cache+0x1ab/0x450 [ 64.636044][ T595] f2fs_iget+0x2f5c/0x47a0 [ 64.640661][ T595] f2fs_lookup+0x1f2/0x800 [ 64.645165][ T595] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.650176][ T595] ? __cfi_d_alloc_parallel+0x10/0x10 [ 64.655560][ T595] ? downgrade_write+0x350/0x350 [ 64.660514][ T595] ? inode_permission+0x83/0x360 [ 64.665562][ T595] __lookup_slow+0x24e/0x330 [ 64.670168][ T595] ? lookup_one_len+0x260/0x260 [ 64.670443][ T599] loop1: detected capacity change from 0 to 131072 [ 64.675199][ T595] ? down_read+0xa0/0xf0 [ 64.675215][ T595] lookup_slow+0x52/0x70 [ 64.675223][ T595] walk_component+0x261/0x370 [ 64.675233][ T595] path_lookupat+0x85/0x320 [ 64.675241][ T595] filename_lookup+0x1bc/0x420 [ 64.704956][ T595] ? __cfi_filename_lookup+0x10/0x10 [ 64.705608][ T599] F2FS-fs (loop1): invalid crc value [ 64.710441][ T595] ? strncpy_from_user+0x74/0x1c0 [ 64.710457][ T595] ? getname_flags+0xe2/0x440 [ 64.716091][ T592] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 64.720930][ T595] user_path_at_empty+0x3b/0x170 [ 64.720943][ T595] do_sys_truncate+0x94/0x140 [ 64.720951][ T595] ? __cfi_do_sys_truncate+0x10/0x10 [ 64.726193][ T606] F2FS-fs (loop5): access invalid blkaddr:2147563524 [ 64.738649][ T595] ? fpregs_restore_userregs+0xe1/0x1d0 [ 64.738666][ T595] __x64_sys_truncate+0x56/0x60 [ 64.738674][ T595] x64_sys_call+0x679/0x9a0 [ 64.776539][ T595] do_syscall_64+0x4c/0xa0 [ 64.781374][ T595] ? clear_bhb_loop+0x30/0x80 [ 64.786061][ T595] ? clear_bhb_loop+0x30/0x80 [ 64.790735][ T595] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 64.796718][ T595] RIP: 0033:0x7f45fb78e929 [ 64.801166][ T595] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 64.821271][ T595] RSP: 002b:00007f45fc58c038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 64.829696][ T595] RAX: ffffffffffffffda RBX: 00007f45fb9b5fa0 RCX: 00007f45fb78e929 [ 64.837939][ T595] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280 [ 64.846150][ T595] RBP: 00007f45fb810b39 R08: 0000000000000000 R09: 0000000000000000 [ 64.854318][ T595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.862661][ T595] R13: 0000000000000000 R14: 00007f45fb9b5fa0 R15: 00007fff010fb478 [ 64.871187][ T595] [ 64.875921][ T606] CPU: 1 PID: 606 Comm: syz.5.31 Tainted: G B syzkaller #0 [ 64.884752][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 64.894996][ T606] Call Trace: [ 64.896096][ T597] loop6: detected capacity change from 0 to 131072 [ 64.898373][ T606] [ 64.898377][ T606] __dump_stack+0x19/0x1c [ 64.898390][ T606] dump_stack_lvl+0xa3/0xec [ 64.898397][ T606] ? __cfi_dump_stack_lvl+0x8/0x8 [ 64.898405][ T606] ? _raw_write_lock+0x8e/0xe0 [ 64.905679][ T595] F2FS-fs (loop3): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix [ 64.907940][ T606] ? __cfi__raw_write_lock+0x10/0x10 [ 64.924505][ T597] F2FS-fs (loop6): invalid crc value [ 64.927082][ T606] dump_stack+0x10/0x1c [ 64.927096][ T606] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 64.954309][ T601] loop2: detected capacity change from 0 to 131072 [ 64.955874][ T606] f2fs_is_valid_blkaddr+0x9/0x10 [ 64.966605][ T601] F2FS-fs (loop2): invalid crc value [ 64.968262][ T606] sanity_check_extent_cache+0x1ab/0x450 [ 64.984675][ T606] f2fs_iget+0x2f5c/0x47a0 [ 64.989218][ T606] f2fs_lookup+0x1f2/0x800 [ 64.994002][ T606] ? __cfi_f2fs_lookup+0x10/0x10 [ 64.999391][ T606] ? __cfi_d_alloc_parallel+0x10/0x10 [ 65.005078][ T606] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.010313][ T606] path_openat+0xe8f/0x2aa0 [ 65.013437][ T599] F2FS-fs (loop1): Found nat_bits in checkpoint [ 65.015006][ T606] ? do_filp_open+0x360/0x360 [ 65.015024][ T606] do_filp_open+0x1b0/0x360 [ 65.015031][ T606] ? __cfi_do_filp_open+0x10/0x10 [ 65.036073][ T606] ? alloc_fd+0x40c/0x4c0 [ 65.040592][ T606] do_sys_openat2+0x119/0x6b0 [ 65.045552][ T606] ? do_sys_open+0x80/0x80 [ 65.049196][ T599] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5 [ 65.049977][ T606] ? up_read+0x56/0x1d0 [ 65.062121][ T606] __x64_sys_openat+0xf1/0x120 [ 65.067176][ T606] x64_sys_call+0x783/0x9a0 [ 65.071873][ T606] do_syscall_64+0x4c/0xa0 [ 65.076567][ T606] ? clear_bhb_loop+0x30/0x80 [ 65.081345][ T606] ? clear_bhb_loop+0x30/0x80 [ 65.082768][ T611] F2FS-fs (loop3): access invalid blkaddr:2147563524 [ 65.086389][ T606] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 65.094153][ T599] F2FS-fs (loop1): access invalid blkaddr:2147563524 [ 65.100721][ T606] RIP: 0033:0x7f49fdb8e929 [ 65.112860][ T606] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 65.133339][ T606] RSP: 002b:00007f49fea90038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 65.142378][ T606] RAX: ffffffffffffffda RBX: 00007f49fddb6080 RCX: 00007f49fdb8e929 [ 65.150797][ T606] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 65.158966][ T606] RBP: 00007f49fdc10b39 R08: 0000000000000000 R09: 0000000000000000 [ 65.166947][ T606] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 65.175049][ T606] R13: 0000000000000001 R14: 00007f49fddb6080 R15: 00007fffed47e468 [ 65.183025][ T606] [ 65.186137][ T611] CPU: 0 PID: 611 Comm: syz.3.30 Tainted: G B syzkaller #0 [ 65.194936][ T611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 65.205602][ T611] Call Trace: [ 65.208971][ T611] [ 65.211909][ T611] __dump_stack+0x19/0x1c [ 65.216235][ T611] dump_stack_lvl+0xa3/0xec [ 65.220730][ T611] ? __cfi_dump_stack_lvl+0x8/0x8 [ 65.226002][ T611] ? _raw_spin_lock+0x8e/0x110 [ 65.230862][ T611] ? __cfi__raw_spin_lock+0x10/0x10 [ 65.236136][ T611] ? f2fs_init_read_extent_tree+0x423/0x980 [ 65.242292][ T611] dump_stack+0x10/0x1c [ 65.246522][ T611] __f2fs_is_valid_blkaddr+0xb28/0x12e0 [ 65.252060][ T611] f2fs_is_valid_blkaddr+0x9/0x10 [ 65.257081][ T611] sanity_check_extent_cache+0x1ab/0x450 [ 65.262707][ T611] f2fs_iget+0x2f5c/0x47a0 [ 65.267241][ T611] f2fs_lookup+0x1f2/0x800 [ 65.271738][ T611] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.276948][ T611] ? __cfi_d_alloc_parallel+0x10/0x10 [ 65.282395][ T611] ? __cfi_f2fs_lookup+0x10/0x10 [ 65.287318][ T611] path_openat+0xe8f/0x2aa0 [ 65.291816][ T611] ? do_filp_open+0x360/0x360 [ 65.296593][ T611] do_filp_open+0x1b0/0x360 [ 65.301168][ T611] ? __cfi_do_filp_open+0x10/0x10 [ 65.306182][ T611] ? alloc_fd+0x40c/0x4c0 [ 65.310516][ T611] do_sys_openat2+0x119/0x6b0 [ 65.315265][ T611] ? do_sys_open+0x80/0x80 [ 65.319671][ T611] ? sysvec_apic_timer_interrupt+0x64/0xc0 [ 65.325472][ T611] __x64_sys_openat+0xf1/0x120 [ 65.330309][ T611] x64_sys_call+0x783/0x9a0 [ 65.334826][ T611] do_syscall_64+0x4c/0xa0 [ 65.339588][ T611] ? clear_bhb_loop+0x30/0x80 [ 65.344512][ T611] ? clear_bhb_loop+0x30/0x80 [ 65.349273][ T611] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 65.355254][ T611] RIP: 0033:0x7f45fb78e929 [ 65.359660][ T611] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48