Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts.
2026/04/16 19:24:45 parsed 1 programs
[ 43.207474][ T28] audit: type=1400 audit(1776367486.699:106): avc: denied { unlink } for pid=389 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"
[ 43.320317][ T389] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 43.990769][ T28] audit: type=1401 audit(1776367487.479:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 44.307186][ T408] bridge0: port 1(bridge_slave_0) entered blocking state
[ 44.341206][ T408] bridge0: port 1(bridge_slave_0) entered disabled state
[ 44.348956][ T408] device bridge_slave_0 entered promiscuous mode
[ 44.377971][ T408] bridge0: port 2(bridge_slave_1) entered blocking state
[ 44.387112][ T408] bridge0: port 2(bridge_slave_1) entered disabled state
[ 44.394725][ T408] device bridge_slave_1 entered promiscuous mode
[ 44.650430][ T408] bridge0: port 2(bridge_slave_1) entered blocking state
[ 44.657528][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 44.664811][ T408] bridge0: port 1(bridge_slave_0) entered blocking state
[ 44.671927][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 44.695380][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 44.703191][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 44.710673][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 44.730066][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 44.739610][ T43] bridge0: port 1(bridge_slave_0) entered blocking state
[ 44.746672][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 44.754842][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 44.763918][ T43] bridge0: port 2(bridge_slave_1) entered blocking state
[ 44.771217][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 44.779815][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 44.788019][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 44.806494][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 44.818420][ T408] device veth0_vlan entered promiscuous mode
[ 44.826372][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 44.840812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
2026/04/16 19:24:48 executed programs: 0
[ 44.849979][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 44.857679][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 44.865374][ T408] device veth1_macvtap entered promiscuous mode
[ 44.874980][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 44.884885][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 45.046324][ T451] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.053799][ T451] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.061991][ T451] device bridge_slave_0 entered promiscuous mode
[ 45.070127][ T451] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.077243][ T451] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.084836][ T451] device bridge_slave_1 entered promiscuous mode
[ 45.164372][ T458] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.171995][ T458] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.179987][ T458] device bridge_slave_0 entered promiscuous mode
[ 45.205622][ T458] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.212763][ T458] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.220308][ T458] device bridge_slave_1 entered promiscuous mode
[ 45.229472][ T455] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.236508][ T455] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.244257][ T455] device bridge_slave_0 entered promiscuous mode
[ 45.262404][ T457] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.269634][ T457] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.277567][ T457] device bridge_slave_0 entered promiscuous mode
[ 45.284322][ T455] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.291615][ T455] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.299690][ T455] device bridge_slave_1 entered promiscuous mode
[ 45.311622][ T457] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.318803][ T457] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.326109][ T457] device bridge_slave_1 entered promiscuous mode
[ 45.368165][ T453] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.375266][ T453] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.382996][ T453] device bridge_slave_0 entered promiscuous mode
[ 45.405058][ T453] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.412177][ T453] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.419599][ T453] device bridge_slave_1 entered promiscuous mode
[ 45.556916][ T458] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.564007][ T458] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 45.571322][ T458] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.578532][ T458] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 45.590236][ T455] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.597299][ T455] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 45.604558][ T455] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.611608][ T455] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 45.654809][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.663164][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.670608][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 45.677923][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 45.685801][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 45.693392][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 45.716306][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 45.739153][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 45.748450][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 45.756702][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.763849][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 45.771627][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 45.780170][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 45.788526][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.795550][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 45.803699][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 45.811433][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 45.819749][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.826780][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 45.845236][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 45.869856][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 45.878574][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 45.886484][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 45.894626][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 45.902975][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 45.910040][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 45.917570][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 45.926021][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 45.933060][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 45.940542][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 45.958604][ T451] device veth0_vlan entered promiscuous mode
[ 45.973630][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 45.982113][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 45.989876][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 45.998529][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 46.005947][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 46.013652][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 46.021945][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.028985][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 46.036634][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 46.044933][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.052085][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 46.059485][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 46.068337][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 46.076507][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.083557][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 46.096019][ T451] device veth1_macvtap entered promiscuous mode
[ 46.106368][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 46.114422][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 46.122807][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 46.155180][ T455] device veth0_vlan entered promiscuous mode
[ 46.163517][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 46.172907][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 46.181457][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 46.189629][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 46.197685][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 46.206539][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 46.214712][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 46.222857][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 46.231407][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 46.238466][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 46.245970][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 46.254272][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 46.261316][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 46.268888][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 46.277323][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 46.285320][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 46.302317][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 46.310653][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 46.319185][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 46.327643][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 46.335951][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 46.344163][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 46.353199][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 46.360768][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 46.384816][ T457] device veth0_vlan entered promiscuous mode
[ 46.397242][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 46.406495][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 46.416885][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 46.425749][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 46.440053][ T455] device veth1_macvtap entered promiscuous mode
[ 46.447094][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 46.455488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 46.464055][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 46.472945][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 46.481489][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 46.503659][ T457] device veth1_macvtap entered promiscuous mode
[ 46.524499][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 46.533857][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 46.543307][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 46.551406][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 46.559712][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 46.568190][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 46.576347][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 46.584587][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 46.592876][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 46.601157][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 46.609689][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 46.618306][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 46.626607][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 46.636185][ T458] device veth0_vlan entered promiscuous mode
[ 46.647520][ T453] device veth0_vlan entered promiscuous mode
[ 46.682692][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 46.697585][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 46.707325][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 46.727370][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 46.734844][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 46.757287][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 46.767331][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 46.787268][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 46.821319][ T453] device veth1_macvtap entered promiscuous mode
[ 46.842924][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 46.858088][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 46.877325][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 46.887535][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 46.907471][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 46.929253][ T458] device veth1_macvtap entered promiscuous mode
[ 46.955039][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 46.965318][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 46.987273][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 47.001912][ T475] loop1: detected capacity change from 0 to 131072
[ 47.013615][ T475] =======================================================
[ 47.013615][ T475] WARNING: The mand mount option has been deprecated and
[ 47.013615][ T475] and is ignored by this kernel. Remove the mand
[ 47.013615][ T475] option from the mount to silence this warning.
[ 47.013615][ T475] =======================================================
[ 47.049764][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 47.058365][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 47.066819][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 47.075807][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 47.090564][ T475] F2FS-fs (loop1): invalid crc value
[ 47.108751][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 47.117784][ T475] F2FS-fs (loop1): Found nat_bits in checkpoint
[ 47.130355][ T347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 47.213669][ T475] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 47.242454][ T28] audit: type=1400 audit(1776367490.729:108): avc: denied { mount } for pid=474 comm="syz.1.17" name="/" dev="loop1" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 47.267389][ T475] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 47.284337][ T475] CPU: 0 PID: 475 Comm: syz.1.17 Not tainted syzkaller #0
[ 47.291490][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 47.301965][ T475] Call Trace:
[ 47.305268][ T475]
[ 47.308213][ T475] __dump_stack+0x21/0x24
[ 47.312572][ T475] dump_stack_lvl+0x110/0x170
[ 47.317247][ T475] ? __cfi_dump_stack_lvl+0x8/0x8
[ 47.322280][ T475] ? __kasan_check_write+0x14/0x20
[ 47.327421][ T475] dump_stack+0x15/0x24
[ 47.331622][ T475] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 47.337192][ T475] f2fs_is_valid_blkaddr+0x23/0x30
[ 47.342319][ T475] sanity_check_extent_cache+0x1c5/0x480
[ 47.348004][ T475] f2fs_iget+0x3419/0x4de0
[ 47.352432][ T475] f2fs_lookup+0x3a9/0xab0
[ 47.356853][ T475] ? __cfi_f2fs_lookup+0x10/0x10
[ 47.361800][ T475] ? __cfi_d_alloc_parallel+0x10/0x10
[ 47.367206][ T475] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 47.373019][ T475] ? downgrade_write+0x370/0x370
[ 47.377978][ T475] __lookup_slow+0x2d5/0x410
[ 47.382659][ T475] ? lookup_one_len+0x2e0/0x2e0
[ 47.387507][ T475] ? down_read+0xa6/0xf0
[ 47.391754][ T475] lookup_slow+0x57/0x70
[ 47.396021][ T475] walk_component+0x2f4/0x420
[ 47.400701][ T475] path_lookupat+0x180/0x490
[ 47.405295][ T475] filename_lookup+0x224/0x560
[ 47.410198][ T475] ? __cfi_filename_lookup+0x10/0x10
[ 47.415549][ T475] ? strncpy_from_user+0x17a/0x2d0
[ 47.420658][ T475] user_path_at_empty+0x47/0x1c0
[ 47.425592][ T475] do_sys_truncate+0xb6/0x1c0
[ 47.430267][ T475] ? __cfi_do_sys_truncate+0x10/0x10
[ 47.435554][ T475] ? fpregs_restore_userregs+0x128/0x260
[ 47.441210][ T475] __x64_sys_truncate+0x5b/0x70
[ 47.446076][ T475] x64_sys_call+0x679/0x9a0
[ 47.450572][ T475] do_syscall_64+0x4c/0xa0
[ 47.454993][ T475] ? clear_bhb_loop+0x30/0x80
[ 47.459670][ T475] ? clear_bhb_loop+0x30/0x80
[ 47.464354][ T475] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 47.470332][ T475] RIP: 0033:0x7f308b999079
[ 47.474934][ T475] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 47.475134][ T477] loop2: detected capacity change from 0 to 131072
[ 47.494720][ T475] RSP: 002b:00007f308c7d1028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 47.494739][ T475] RAX: ffffffffffffffda RBX: 00007f308bbc5fa0 RCX: 00007f308b999079
[ 47.494749][ T475] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 47.494758][ T475] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 47.533812][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 47.541871][ T475] R13: 0000000000000000 R14: 00007f308bbc5fa0 R15: 00007ffe601a1cd8
[ 47.549855][ T475]
[ 47.561611][ T351] device bridge_slave_1 left promiscuous mode
[ 47.568486][ T477] F2FS-fs (loop2): invalid crc value
[ 47.579237][ T351] bridge0: port 2(bridge_slave_1) entered disabled state
[ 47.597866][ T477] F2FS-fs (loop2): Found nat_bits in checkpoint
[ 47.611324][ T351] device bridge_slave_0 left promiscuous mode
[ 47.632600][ T351] bridge0: port 1(bridge_slave_0) entered disabled state
[ 47.657641][ T351] device veth1_macvtap left promiscuous mode
[ 47.677006][ T477] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[ 47.677043][ T351] device veth0_vlan left promiscuous mode
[ 47.697525][ T477] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 47.704453][ T477] CPU: 0 PID: 477 Comm: syz.2.18 Not tainted syzkaller #0
[ 47.711665][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 47.721735][ T477] Call Trace:
[ 47.725194][ T477]
[ 47.728127][ T477] __dump_stack+0x21/0x24
[ 47.732469][ T477] dump_stack_lvl+0x110/0x170
[ 47.737148][ T477] ? __cfi_dump_stack_lvl+0x8/0x8
[ 47.742197][ T477] ? __kasan_check_write+0x14/0x20
[ 47.747308][ T477] dump_stack+0x15/0x24
[ 47.751467][ T477] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 47.757119][ T477] f2fs_is_valid_blkaddr+0x23/0x30
[ 47.762230][ T477] sanity_check_extent_cache+0x1c5/0x480
[ 47.767873][ T477] f2fs_iget+0x3419/0x4de0
[ 47.772305][ T477] f2fs_lookup+0x3a9/0xab0
[ 47.776900][ T477] ? __cfi_f2fs_lookup+0x10/0x10
[ 47.781919][ T477] ? __cfi_d_alloc_parallel+0x10/0x10
[ 47.787294][ T477] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 47.793018][ T477] ? downgrade_write+0x370/0x370
[ 47.797970][ T477] __lookup_slow+0x2d5/0x410
[ 47.802575][ T477] ? lookup_one_len+0x2e0/0x2e0
[ 47.807435][ T477] ? down_read+0xa6/0xf0
[ 47.811683][ T477] lookup_slow+0x57/0x70
[ 47.815932][ T477] walk_component+0x2f4/0x420
[ 47.820647][ T477] path_lookupat+0x180/0x490
[ 47.825325][ T477] filename_lookup+0x224/0x560
[ 47.830097][ T477] ? __cfi_filename_lookup+0x10/0x10
[ 47.835390][ T477] ? strncpy_from_user+0x17a/0x2d0
[ 47.840512][ T477] user_path_at_empty+0x47/0x1c0
[ 47.845454][ T477] do_sys_truncate+0xb6/0x1c0
[ 47.850191][ T477] ? __cfi_do_sys_truncate+0x10/0x10
[ 47.855481][ T477] ? fpregs_restore_userregs+0x128/0x260
[ 47.857365][ T475] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 47.861115][ T477] __x64_sys_truncate+0x5b/0x70
[ 47.861138][ T477] x64_sys_call+0x679/0x9a0
[ 47.883382][ T477] do_syscall_64+0x4c/0xa0
[ 47.887808][ T477] ? clear_bhb_loop+0x30/0x80
[ 47.892503][ T477] ? clear_bhb_loop+0x30/0x80
[ 47.897231][ T477] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 47.903131][ T477] RIP: 0033:0x7fc836399079
[ 47.907652][ T477] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 47.927351][ T477] RSP: 002b:00007fc8372ca028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 47.935773][ T477] RAX: ffffffffffffffda RBX: 00007fc8365c5fa0 RCX: 00007fc836399079
[ 47.943970][ T477] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 47.951981][ T477] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 47.960147][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 47.968140][ T477] R13: 0000000000000000 R14: 00007fc8365c5fa0 R15: 00007ffc50121918
[ 47.976268][ T477]
[ 47.986066][ T489] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 47.994076][ T477] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 48.027244][ T489] CPU: 1 PID: 489 Comm: syz.1.17 Not tainted syzkaller #0
[ 48.034391][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 48.044451][ T489] Call Trace:
[ 48.047738][ T489]
[ 48.050668][ T489] __dump_stack+0x21/0x24
[ 48.055008][ T489] dump_stack_lvl+0x110/0x170
[ 48.059693][ T489] ? __cfi_dump_stack_lvl+0x8/0x8
[ 48.064729][ T489] ? mutex_unlock+0x8f/0x230
[ 48.069338][ T489] ? __kasan_check_write+0x14/0x20
[ 48.074456][ T489] dump_stack+0x15/0x24
[ 48.078621][ T489] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 48.084179][ T489] f2fs_is_valid_blkaddr+0x23/0x30
[ 48.089307][ T489] sanity_check_extent_cache+0x1c5/0x480
[ 48.095034][ T489] f2fs_iget+0x3419/0x4de0
[ 48.099462][ T489] f2fs_lookup+0x3a9/0xab0
[ 48.103889][ T489] ? __cfi_f2fs_lookup+0x10/0x10
[ 48.108832][ T489] ? __cfi_d_alloc_parallel+0x10/0x10
[ 48.114229][ T489] ? __cfi_f2fs_lookup+0x10/0x10
[ 48.119221][ T489] path_openat+0x1006/0x2f80
[ 48.123838][ T489] ? do_filp_open+0x430/0x430
[ 48.128547][ T489] do_filp_open+0x1f1/0x430
[ 48.133175][ T489] ? __cfi_do_filp_open+0x10/0x10
[ 48.138231][ T489] ? alloc_fd+0x4e6/0x590
[ 48.142571][ T489] do_sys_openat2+0x15e/0x810
[ 48.147254][ T489] ? __kasan_check_write+0x14/0x20
[ 48.152372][ T489] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 48.158023][ T489] ? do_sys_open+0xe0/0xe0
[ 48.162452][ T489] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 48.168033][ T489] ? do_user_addr_fault+0x9ac/0x1050
[ 48.173338][ T489] __x64_sys_openat+0x136/0x160
[ 48.178212][ T489] x64_sys_call+0x783/0x9a0
[ 48.182755][ T489] do_syscall_64+0x4c/0xa0
[ 48.187196][ T489] ? clear_bhb_loop+0x30/0x80
[ 48.191890][ T489] ? clear_bhb_loop+0x30/0x80
[ 48.196595][ T489] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 48.202500][ T489] RIP: 0033:0x7f308b999079
[ 48.206931][ T489] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 48.226553][ T489] RSP: 002b:00007f308c7b0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 48.234990][ T489] RAX: ffffffffffffffda RBX: 00007f308bbc6080 RCX: 00007f308b999079
[ 48.243059][ T489] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 48.251043][ T489] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 48.259122][ T489] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 48.267190][ T489] R13: 0000000000000001 R14: 00007f308bbc6080 R15: 00007ffe601a1cd8
[ 48.275276][ T489]
[ 48.330306][ T488] loop0: detected capacity change from 0 to 131072
[ 48.347997][ T494] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 48.348836][ T488] F2FS-fs (loop0): invalid crc value
[ 48.358880][ T494] CPU: 1 PID: 494 Comm: syz.2.18 Not tainted syzkaller #0
[ 48.367463][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 48.371465][ T479] loop5: detected capacity change from 0 to 131072
[ 48.377957][ T494] Call Trace:
[ 48.377964][ T494]
[ 48.377970][ T494] __dump_stack+0x21/0x24
[ 48.377995][ T494] dump_stack_lvl+0x110/0x170
[ 48.399647][ T494] ? __cfi_dump_stack_lvl+0x8/0x8
[ 48.404663][ T494] ? __kasan_check_write+0x14/0x20
[ 48.409846][ T494] dump_stack+0x15/0x24
[ 48.413992][ T494] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 48.419524][ T494] f2fs_is_valid_blkaddr+0x23/0x30
[ 48.424615][ T494] sanity_check_extent_cache+0x1c5/0x480
[ 48.430246][ T494] f2fs_iget+0x3419/0x4de0
[ 48.434666][ T494] f2fs_lookup+0x3a9/0xab0
[ 48.439081][ T494] ? __cfi_f2fs_lookup+0x10/0x10
[ 48.444028][ T494] ? __cfi_d_alloc_parallel+0x10/0x10
[ 48.449474][ T494] ? __cfi_f2fs_lookup+0x10/0x10
[ 48.454405][ T494] path_openat+0x1006/0x2f80
[ 48.459092][ T494] ? do_filp_open+0x430/0x430
[ 48.463775][ T494] do_filp_open+0x1f1/0x430
[ 48.468319][ T494] ? __cfi_do_filp_open+0x10/0x10
[ 48.473338][ T494] ? alloc_fd+0x4e6/0x590
[ 48.477773][ T494] do_sys_openat2+0x15e/0x810
[ 48.482457][ T494] ? __kasan_check_write+0x14/0x20
[ 48.487672][ T494] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 48.493391][ T494] ? do_sys_open+0xe0/0xe0
[ 48.497804][ T494] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 48.503380][ T494] ? do_user_addr_fault+0x9ac/0x1050
[ 48.508866][ T494] __x64_sys_openat+0x136/0x160
[ 48.513721][ T494] x64_sys_call+0x783/0x9a0
[ 48.518228][ T494] do_syscall_64+0x4c/0xa0
[ 48.522650][ T494] ? clear_bhb_loop+0x30/0x80
[ 48.527322][ T494] ? clear_bhb_loop+0x30/0x80
[ 48.532083][ T494] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 48.537973][ T494] RIP: 0033:0x7fc836399079
[ 48.542379][ T494] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 48.562066][ T494] RSP: 002b:00007fc8372a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 48.570495][ T494] RAX: ffffffffffffffda RBX: 00007fc8365c6080 RCX: 00007fc836399079
[ 48.578539][ T494] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 48.586495][ T494] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 48.594446][ T494] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 48.602402][ T494] R13: 0000000000000001 R14: 00007fc8365c6080 R15: 00007ffc50121918
[ 48.610370][ T494]
[ 48.622260][ T488] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 48.644895][ T479] F2FS-fs (loop5): invalid crc value
[ 48.685236][ T479] F2FS-fs (loop5): Found nat_bits in checkpoint
[ 48.687011][ T488] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[ 48.715002][ T488] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 48.726417][ T484] loop6: detected capacity change from 0 to 131072
[ 48.733118][ T488] CPU: 1 PID: 488 Comm: syz.0.16 Not tainted syzkaller #0
[ 48.740202][ T479] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[ 48.740314][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 48.740324][ T488] Call Trace:
[ 48.761344][ T488]
[ 48.764369][ T488] __dump_stack+0x21/0x24
[ 48.768805][ T488] dump_stack_lvl+0x110/0x170
[ 48.773446][ T489] ==================================================================
[ 48.773504][ T488] ? __cfi_dump_stack_lvl+0x8/0x8
[ 48.781559][ T489] BUG: KASAN: use-after-free in sanity_check_extent_cache+0x3cc/0x480
[ 48.786557][ T488] ? __kasan_check_write+0x14/0x20
[ 48.794676][ T489] Read of size 4 at addr ffff888132879480 by task syz.1.17/489
[ 48.799765][ T488] dump_stack+0x15/0x24
[ 48.807283][ T489]
[ 48.813720][ T488] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 48.819256][ T488] f2fs_is_valid_blkaddr+0x23/0x30
[ 48.824355][ T488] sanity_check_extent_cache+0x1c5/0x480
[ 48.829986][ T488] f2fs_iget+0x3419/0x4de0
[ 48.834393][ T488] f2fs_lookup+0x3a9/0xab0
[ 48.838797][ T488] ? __cfi_f2fs_lookup+0x10/0x10
[ 48.843733][ T488] ? __cfi_d_alloc_parallel+0x10/0x10
[ 48.849096][ T488] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 48.854805][ T488] ? downgrade_write+0x370/0x370
[ 48.859732][ T488] __lookup_slow+0x2d5/0x410
[ 48.864307][ T488] ? lookup_one_len+0x2e0/0x2e0
[ 48.869140][ T488] ? down_read+0xa6/0xf0
[ 48.873530][ T488] lookup_slow+0x57/0x70
[ 48.877767][ T488] walk_component+0x2f4/0x420
[ 48.882465][ T488] path_lookupat+0x180/0x490
[ 48.887056][ T488] filename_lookup+0x224/0x560
[ 48.891897][ T488] ? __cfi_filename_lookup+0x10/0x10
[ 48.897175][ T488] ? strncpy_from_user+0x17a/0x2d0
[ 48.902297][ T488] user_path_at_empty+0x47/0x1c0
[ 48.907222][ T488] do_sys_truncate+0xb6/0x1c0
[ 48.911886][ T488] ? __cfi_do_sys_truncate+0x10/0x10
[ 48.917158][ T488] ? fpregs_restore_userregs+0x128/0x260
[ 48.922778][ T488] __x64_sys_truncate+0x5b/0x70
[ 48.927613][ T488] x64_sys_call+0x679/0x9a0
[ 48.932104][ T488] do_syscall_64+0x4c/0xa0
[ 48.936516][ T488] ? clear_bhb_loop+0x30/0x80
[ 48.941181][ T488] ? clear_bhb_loop+0x30/0x80
[ 48.945978][ T488] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 48.951884][ T488] RIP: 0033:0x7fe9f0599079
[ 48.956286][ T488] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 48.975965][ T488] RSP: 002b:00007fe9f148a028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 48.984456][ T488] RAX: ffffffffffffffda RBX: 00007fe9f07c5fa0 RCX: 00007fe9f0599079
[ 48.992415][ T488] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 49.000382][ T488] RBP: 00007fe9f062ba4c R08: 0000000000000000 R09: 0000000000000000
[ 49.008440][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 49.016394][ T488] R13: 0000000000000000 R14: 00007fe9f07c5fa0 R15: 00007ffdfae54bc8
[ 49.024354][ T488]
[ 49.027364][ T489] CPU: 0 PID: 489 Comm: syz.1.17 Not tainted syzkaller #0
[ 49.030383][ T494] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 49.034563][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 49.049142][ T488] F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 49.057685][ T489] Call Trace:
[ 49.057693][ T489]
[ 49.057698][ T489] __dump_stack+0x21/0x24
[ 49.057725][ T489] dump_stack_lvl+0x110/0x170
[ 49.057744][ T489] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.057762][ T489] ? dump_stack_lvl+0x144/0x170
[ 49.072004][ T479] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 49.073934][ T489] ? sanity_check_extent_cache+0x3cc/0x480
[ 49.077517][ T484] F2FS-fs (loop6): invalid crc value
[ 49.081191][ T489] print_address_description+0x71/0x200
[ 49.081223][ T489] print_report+0x4a/0x60
[ 49.123241][ T489] kasan_report+0x122/0x150
[ 49.127747][ T489] ? sanity_check_extent_cache+0x3cc/0x480
[ 49.133550][ T489] __asan_report_load4_noabort+0x14/0x20
[ 49.138826][ T503] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 49.139520][ T489] sanity_check_extent_cache+0x3cc/0x480
[ 49.151828][ T489] f2fs_iget+0x3419/0x4de0
[ 49.156271][ T489] f2fs_lookup+0x3a9/0xab0
[ 49.160699][ T489] ? __cfi_f2fs_lookup+0x10/0x10
[ 49.165629][ T489] ? __cfi_d_alloc_parallel+0x10/0x10
[ 49.171179][ T489] ? __cfi_f2fs_lookup+0x10/0x10
[ 49.176131][ T489] path_openat+0x1006/0x2f80
[ 49.180740][ T489] ? do_filp_open+0x430/0x430
[ 49.185423][ T489] do_filp_open+0x1f1/0x430
[ 49.189937][ T489] ? __cfi_do_filp_open+0x10/0x10
[ 49.195014][ T489] ? alloc_fd+0x4e6/0x590
[ 49.199352][ T489] do_sys_openat2+0x15e/0x810
[ 49.204121][ T489] ? __kasan_check_write+0x14/0x20
[ 49.209229][ T489] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 49.214902][ T489] ? do_sys_open+0xe0/0xe0
[ 49.219333][ T489] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 49.224886][ T489] ? do_user_addr_fault+0x9ac/0x1050
[ 49.230164][ T489] __x64_sys_openat+0x136/0x160
[ 49.235102][ T489] x64_sys_call+0x783/0x9a0
[ 49.239609][ T489] do_syscall_64+0x4c/0xa0
[ 49.244021][ T489] ? clear_bhb_loop+0x30/0x80
[ 49.248686][ T489] ? clear_bhb_loop+0x30/0x80
[ 49.253366][ T489] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.259265][ T489] RIP: 0033:0x7f308b999079
[ 49.263684][ T489] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 49.283288][ T489] RSP: 002b:00007f308c7b0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 49.291701][ T489] RAX: ffffffffffffffda RBX: 00007f308bbc6080 RCX: 00007f308b999079
[ 49.299663][ T489] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 49.307639][ T489] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 49.315610][ T489] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 49.323575][ T489] R13: 0000000000000001 R14: 00007f308bbc6080 R15: 00007ffe601a1cd8
[ 49.331544][ T489]
[ 49.334550][ T489]
[ 49.334552][ T503] CPU: 1 PID: 503 Comm: syz.0.16 Not tainted syzkaller #0
[ 49.336865][ T489] Allocated by task 475:
[ 49.344004][ T503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 49.348220][ T489] kasan_set_track+0x4b/0x70
[ 49.358251][ T503] Call Trace:
[ 49.358259][ T503]
[ 49.362810][ T489] kasan_save_alloc_info+0x25/0x30
[ 49.366075][ T503] __dump_stack+0x21/0x24
[ 49.369023][ T489] __kasan_slab_alloc+0x72/0x80
[ 49.374112][ T503] dump_stack_lvl+0x110/0x170
[ 49.378430][ T489] slab_post_alloc_hook+0x4f/0x2d0
[ 49.383253][ T503] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.387914][ T489] kmem_cache_alloc+0x16e/0x330
[ 49.393169][ T503] ? __kasan_check_write+0x14/0x20
[ 49.398254][ T489] __grab_extent_tree+0x19d/0x430
[ 49.403165][ T503] dump_stack+0x15/0x24
[ 49.408250][ T489] f2fs_init_read_extent_tree+0x3d1/0x7c0
[ 49.413247][ T503] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 49.417420][ T489] f2fs_iget+0x3409/0x4de0
[ 49.423109][ T503] f2fs_is_valid_blkaddr+0x23/0x30
[ 49.428630][ T489] f2fs_lookup+0x3a9/0xab0
[ 49.433039][ T503] sanity_check_extent_cache+0x1c5/0x480
[ 49.438128][ T489] __lookup_slow+0x2d5/0x410
[ 49.442536][ T503] f2fs_iget+0x3419/0x4de0
[ 49.448146][ T489] lookup_slow+0x57/0x70
[ 49.452712][ T503] f2fs_lookup+0x3a9/0xab0
[ 49.457189][ T489] walk_component+0x2f4/0x420
[ 49.461428][ T503] ? __cfi_f2fs_lookup+0x10/0x10
[ 49.465849][ T489] path_lookupat+0x180/0x490
[ 49.470564][ T503] ? __cfi_d_alloc_parallel+0x10/0x10
[ 49.475476][ T489] filename_lookup+0x224/0x560
[ 49.480040][ T503] ? __cfi_f2fs_lookup+0x10/0x10
[ 49.485383][ T489] user_path_at_empty+0x47/0x1c0
[ 49.490208][ T503] path_openat+0x1006/0x2f80
[ 49.495117][ T489] do_sys_truncate+0xb6/0x1c0
[ 49.500164][ T503] ? do_filp_open+0x430/0x430
[ 49.504717][ T489] __x64_sys_truncate+0x5b/0x70
[ 49.509367][ T503] do_filp_open+0x1f1/0x430
[ 49.514218][ T489] x64_sys_call+0x679/0x9a0
[ 49.519044][ T503] ? __cfi_do_filp_open+0x10/0x10
[ 49.523515][ T489] do_syscall_64+0x4c/0xa0
[ 49.527995][ T503] ? alloc_fd+0x4e6/0x590
[ 49.532988][ T489] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.537382][ T503] do_sys_openat2+0x15e/0x810
[ 49.541677][ T489]
[ 49.541682][ T489] Freed by task 475:
[ 49.547541][ T503] ? __kasan_check_write+0x14/0x20
[ 49.552188][ T489] kasan_set_track+0x4b/0x70
[ 49.554500][ T503] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 49.558400][ T489] kasan_save_free_info+0x31/0x50
[ 49.563506][ T503] ? do_sys_open+0xe0/0xe0
[ 49.568154][ T489] ____kasan_slab_free+0x132/0x180
[ 49.573759][ T503] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 49.578756][ T489] __kasan_slab_free+0x11/0x20
[ 49.583149][ T503] ? do_user_addr_fault+0x9ac/0x1050
[ 49.588236][ T489] slab_free_freelist_hook+0xc2/0x190
[ 49.593759][ T503] __x64_sys_openat+0x136/0x160
[ 49.598528][ T489] kmem_cache_free+0x12d/0x300
[ 49.603815][ T503] x64_sys_call+0x783/0x9a0
[ 49.609154][ T489] __destroy_extent_tree+0x305/0x500
[ 49.613986][ T503] do_syscall_64+0x4c/0xa0
[ 49.618728][ T489] f2fs_destroy_extent_tree+0x17/0x30
[ 49.623255][ T503] ? clear_bhb_loop+0x30/0x80
[ 49.628515][ T489] f2fs_evict_inode+0x68f/0x17c0
[ 49.632904][ T503] ? clear_bhb_loop+0x30/0x80
[ 49.638242][ T489] evict+0x4d7/0x8f0
[ 49.642889][ T503] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.647815][ T489] iput+0x620/0x670
[ 49.652467][ T503] RIP: 0033:0x7fe9f0599079
[ 49.656374][ T489] iget_failed+0x178/0x1c0
[ 49.662246][ T503] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 49.666763][ T489] f2fs_iget+0x17f6/0x4de0
[ 49.671179][ T503] RSP: 002b:00007fe9f1469028 EFLAGS: 00000246
[ 49.675577][ T489] f2fs_lookup+0x3a9/0xab0
[ 49.695332][ T503] ORIG_RAX: 0000000000000101
[ 49.699727][ T489] __lookup_slow+0x2d5/0x410
[ 49.705766][ T503] RAX: ffffffffffffffda RBX: 00007fe9f07c6080 RCX: 00007fe9f0599079
[ 49.710248][ T489] lookup_slow+0x57/0x70
[ 49.714999][ T503] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 49.719565][ T489] walk_component+0x2f4/0x420
[ 49.727515][ T503] RBP: 00007fe9f062ba4c R08: 0000000000000000 R09: 0000000000000000
[ 49.731744][ T489] path_lookupat+0x180/0x490
[ 49.739705][ T503] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 49.744356][ T489] filename_lookup+0x224/0x560
[ 49.752826][ T503] R13: 0000000000000001 R14: 00007fe9f07c6080 R15: 00007ffdfae54bc8
[ 49.757570][ T489] user_path_at_empty+0x47/0x1c0
[ 49.765611][ T503]
[ 49.770344][ T489] do_sys_truncate+0xb6/0x1c0
[ 49.783945][ T479] CPU: 1 PID: 479 Comm: syz.5.19 Not tainted syzkaller #0
[ 49.786418][ T489] __x64_sys_truncate+0x5b/0x70
[ 49.791081][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 49.798307][ T489] x64_sys_call+0x679/0x9a0
[ 49.803150][ T479] Call Trace:
[ 49.803157][ T479]
[ 49.813529][ T489] do_syscall_64+0x4c/0xa0
[ 49.818016][ T479] __dump_stack+0x21/0x24
[ 49.821373][ T489] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 49.824297][ T479] dump_stack_lvl+0x110/0x170
[ 49.828689][ T489]
[ 49.828694][ T489] The buggy address belongs to the object at ffff888132879438
[ 49.828694][ T489] which belongs to the cache f2fs_extent_tree of size 88
[ 49.832989][ T479] ? __cfi_dump_stack_lvl+0x8/0x8
[ 49.838860][ T489] The buggy address is located 72 bytes inside of
[ 49.838860][ T489] 88-byte region [ffff888132879438, ffff888132879490)
[ 49.843515][ T479] ? __kasan_check_write+0x14/0x20
[ 49.845818][ T489]
[ 49.845823][ T489] The buggy address belongs to the physical page:
[ 49.860278][ T479] dump_stack+0x15/0x24
[ 49.865365][ T489] page:ffffea0004ca1e40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x132879
[ 49.878431][ T479] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 49.883525][ T489] flags: 0x4000000000000200(slab|zone=1)
[ 49.885833][ T479] f2fs_is_valid_blkaddr+0x23/0x30
[ 49.892222][ T489] raw: 4000000000000200 0000000000000000 dead000000000122 ffff888108c87500
[ 49.896341][ T479] sanity_check_extent_cache+0x1c5/0x480
[ 49.906551][ T489] raw: 0000000000000000 0000000080220022 00000001ffffffff 0000000000000000
[ 49.912071][ T479] f2fs_iget+0x3419/0x4de0
[ 49.917785][ T489] page dumped because: kasan: bad access detected
[ 49.922878][ T479] f2fs_lookup+0x3a9/0xab0
[ 49.931473][ T489] page_owner tracks the page as allocated
[ 49.937072][ T479] ? __cfi_f2fs_lookup+0x10/0x10
[ 49.945628][ T489] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 475, tgid 474 (syz.1.17), ts 47267364196, free_ts 24158399236
[ 49.950032][ T479] ? __cfi_d_alloc_parallel+0x10/0x10
[ 49.956417][ T489] post_alloc_hook+0x1f5/0x210
[ 49.960829][ T479] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 49.966544][ T489] prep_new_page+0x1c/0x110
[ 49.971476][ T479] ? downgrade_write+0x370/0x370
[ 49.992625][ T489] get_page_from_freelist+0x2d12/0x2d80
[ 49.998039][ T479] __lookup_slow+0x2d5/0x410
[ 50.002805][ T489] __alloc_pages+0x1fa/0x610
[ 50.002823][ T489] alloc_slab_page+0x6e/0xf0
[ 50.002840][ T489] new_slab+0x98/0x3d0
[ 50.002856][ T489] ___slab_alloc+0x6bd/0xb20
[ 50.008555][ T479] ? lookup_one_len+0x2e0/0x2e0
[ 50.013043][ T489] __slab_alloc+0x5e/0xa0
[ 50.017952][ T479] ? down_read+0xa6/0xf0
[ 50.023481][ T489] kmem_cache_alloc+0x1b0/0x330
[ 50.028172][ T479] lookup_slow+0x57/0x70
[ 50.032732][ T489] __grab_extent_tree+0x19d/0x430
[ 50.037298][ T479] walk_component+0x2f4/0x420
[ 50.041427][ T489] f2fs_init_read_extent_tree+0x3d1/0x7c0
[ 50.046082][ T479] path_lookupat+0x180/0x490
[ 50.050998][ T489] f2fs_iget+0x3409/0x4de0
[ 50.055310][ T479] filename_lookup+0x224/0x560
[ 50.059621][ T489] f2fs_lookup+0x3a9/0xab0
[ 50.064455][ T479] ? __cfi_filename_lookup+0x10/0x10
[ 50.068681][ T489] __lookup_slow+0x2d5/0x410
[ 50.073679][ T479] ? strncpy_from_user+0x17a/0x2d0
[ 50.078343][ T489] lookup_slow+0x57/0x70
[ 50.084040][ T479] user_path_at_empty+0x47/0x1c0
[ 50.088687][ T489] walk_component+0x2f4/0x420
[ 50.093082][ T479] do_sys_truncate+0xb6/0x1c0
[ 50.097826][ T489] page last free stack trace:
[ 50.097836][ T489] free_unref_page_prepare+0x742/0x750
[ 50.102235][ T479] ? __cfi_do_sys_truncate+0x10/0x10
[ 50.107490][ T489] free_unref_page_list+0x117/0x8c0
[ 50.112055][ T479] ? fpregs_restore_userregs+0x128/0x260
[ 50.117139][ T489] release_pages+0xaf2/0xb50
[ 50.121483][ T479] __x64_sys_truncate+0x5b/0x70
[ 50.126398][ T489] free_pages_and_swap_cache+0x86/0xa0
[ 50.131055][ T479] x64_sys_call+0x679/0x9a0
[ 50.135708][ T489] tlb_finish_mmu+0x1aa/0x370
[ 50.140720][ T479] do_syscall_64+0x4c/0xa0
[ 50.146155][ T489] exit_mmap+0x412/0xc10
[ 50.151502][ T479] ? clear_bhb_loop+0x30/0x80
[ 50.156767][ T489] __mmput+0x93/0x360
[ 50.162370][ T479] ? clear_bhb_loop+0x30/0x80
[ 50.166938][ T489] mmput+0x4b/0x150
[ 50.171773][ T479] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 50.177202][ T489] do_exit+0x994/0x2660
[ 50.181679][ T479] RIP: 0033:0x7f18b9799079
[ 50.186326][ T489] do_group_exit+0x210/0x2d0
[ 50.190723][ T479] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 50.195021][ T489] get_signal+0x13b5/0x1520
[ 50.199672][ T479] RSP: 002b:00007f18ba528028 EFLAGS: 00000246
[ 50.203625][ T489] arch_do_signal_or_restart+0xd1/0x1140
[ 50.208278][ T479] ORIG_RAX: 000000000000004c
[ 50.212057][ T489] exit_to_user_mode_loop+0x7a/0xb0
[ 50.217949][ T479] RAX: ffffffffffffffda RBX: 00007f18b99c5fa0 RCX: 00007f18b9799079
[ 50.222078][ T489] exit_to_user_mode_prepare+0x87/0xd0
[ 50.226489][ T479] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 50.231062][ T489] syscall_exit_to_user_mode+0x1a/0x30
[ 50.250640][ T479] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 50.255115][ T489] do_syscall_64+0x58/0xa0
[ 50.261152][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 50.266783][ T489]
[ 50.271432][ T479] R13: 0000000000000000 R14: 00007f18b99c5fa0 R15: 00007ffc68682398
[ 50.276760][ T489] Memory state around the buggy address:
[ 50.276770][ T489] ffff888132879380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 50.284719][ T479]
[ 50.290251][ T489] ffff888132879400: fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb
[ 50.298830][ T484] F2FS-fs (loop6): Failed to start F2FS issue_checkpoint_thread (-4)
[ 50.303977][ T489] >ffff888132879480: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 50.303989][ T489] ^
[ 50.303996][ T489] ffff888132879500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 50.304003][ T489] ffff888132879580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 50.304010][ T489] ==================================================================
[ 50.328588][ T28] audit: type=1400 audit(1776367493.799:109): avc: denied { read } for pid=85 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
[ 50.345174][ T503] F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 50.371767][ T28] audit: type=1400 audit(1776367493.799:110): avc: denied { search } for pid=85 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
[ 50.387167][ T489] Disabling lock debugging due to kernel taint
[ 50.391140][ T28] audit: type=1400 audit(1776367493.799:111): avc: denied { write } for pid=85 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
2026/04/16 19:24:54 executed programs: 16
[ 50.404082][ T489] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 50.407482][ T28] audit: type=1400 audit(1776367493.799:112): avc: denied { add_name } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 50.436200][ T479] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 50.447279][ T28] audit: type=1400 audit(1776367493.799:113): avc: denied { create } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 50.470780][ T506] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 50.491487][ T28] audit: type=1400 audit(1776367493.799:114): avc: denied { append open } for pid=85 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
[ 50.547273][ T506] CPU: 1 PID: 506 Comm: syz.5.19 Tainted: G B syzkaller #0
[ 50.596869][ T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 50.606934][ T506] Call Trace:
[ 50.610215][ T506]
[ 50.613149][ T506] __dump_stack+0x21/0x24
[ 50.617508][ T506] dump_stack_lvl+0x110/0x170
[ 50.622285][ T506] ? __cfi_dump_stack_lvl+0x8/0x8
[ 50.627326][ T506] ? mutex_unlock+0x8f/0x230
[ 50.632004][ T506] ? __kasan_check_write+0x14/0x20
[ 50.637117][ T506] dump_stack+0x15/0x24
[ 50.641281][ T506] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 50.646831][ T506] f2fs_is_valid_blkaddr+0x23/0x30
[ 50.652135][ T506] sanity_check_extent_cache+0x1c5/0x480
[ 50.657784][ T506] f2fs_iget+0x3419/0x4de0
[ 50.662217][ T506] f2fs_lookup+0x3a9/0xab0
[ 50.666645][ T506] ? __cfi_f2fs_lookup+0x10/0x10
[ 50.671596][ T506] ? __cfi_d_alloc_parallel+0x10/0x10
[ 50.676979][ T506] ? __cfi_f2fs_lookup+0x10/0x10
[ 50.682035][ T506] path_openat+0x1006/0x2f80
[ 50.686629][ T506] ? do_filp_open+0x430/0x430
[ 50.686987][ T28] audit: type=1400 audit(1776367493.799:115): avc: denied { getattr } for pid=85 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
[ 50.691305][ T506] do_filp_open+0x1f1/0x430
[ 50.718626][ T506] ? __cfi_do_filp_open+0x10/0x10
[ 50.723673][ T506] ? alloc_fd+0x4e6/0x590
[ 50.728016][ T506] do_sys_openat2+0x15e/0x810
[ 50.732717][ T506] ? __kasan_check_write+0x14/0x20
[ 50.737881][ T506] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 50.743520][ T506] ? do_sys_open+0xe0/0xe0
[ 50.747984][ T506] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 50.753549][ T506] ? do_user_addr_fault+0x9ac/0x1050
[ 50.759031][ T506] __x64_sys_openat+0x136/0x160
[ 50.763987][ T506] x64_sys_call+0x783/0x9a0
[ 50.768521][ T506] do_syscall_64+0x4c/0xa0
[ 50.772980][ T506] ? clear_bhb_loop+0x30/0x80
[ 50.777962][ T506] ? clear_bhb_loop+0x30/0x80
[ 50.782680][ T506] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 50.788604][ T506] RIP: 0033:0x7f18b9799079
[ 50.793041][ T506] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 50.813613][ T506] RSP: 002b:00007f18b95ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 50.822218][ T506] RAX: ffffffffffffffda RBX: 00007f18b99c6080 RCX: 00007f18b9799079
[ 50.830214][ T506] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 50.838198][ T506] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 50.846438][ T506] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 50.854773][ T506] R13: 0000000000000001 R14: 00007f18b99c6080 R15: 00007ffc68682398
[ 50.862764][ T506]
[ 50.977373][ T506] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 51.495224][ T509] loop6: detected capacity change from 0 to 131072
[ 51.516082][ T509] F2FS-fs (loop6): invalid crc value
[ 51.546893][ T509] F2FS-fs (loop6): Found nat_bits in checkpoint
[ 51.583040][ T512] loop0: detected capacity change from 0 to 131072
[ 51.607381][ T512] F2FS-fs (loop0): invalid crc value
[ 51.634049][ T512] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 51.645894][ T509] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5
[ 51.675115][ T509] F2FS-fs (loop6): access invalid blkaddr:2147563524
[ 51.710989][ T509] CPU: 0 PID: 509 Comm: syz.6.22 Tainted: G B syzkaller #0
[ 51.719365][ T512] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[ 51.719612][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 51.719622][ T509] Call Trace:
[ 51.740722][ T509]
[ 51.743646][ T509] __dump_stack+0x21/0x24
[ 51.747988][ T509] dump_stack_lvl+0x110/0x170
[ 51.749800][ T512] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 51.752673][ T509] ? __cfi_dump_stack_lvl+0x8/0x8
[ 51.764382][ T509] ? __kasan_check_write+0x14/0x20
[ 51.769499][ T509] dump_stack+0x15/0x24
[ 51.773672][ T509] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 51.779214][ T509] f2fs_is_valid_blkaddr+0x23/0x30
[ 51.784414][ T509] sanity_check_extent_cache+0x1c5/0x480
[ 51.790044][ T509] f2fs_iget+0x3419/0x4de0
[ 51.794504][ T509] f2fs_lookup+0x3a9/0xab0
[ 51.798924][ T509] ? __cfi_f2fs_lookup+0x10/0x10
[ 51.803871][ T509] ? __cfi_d_alloc_parallel+0x10/0x10
[ 51.809248][ T509] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 51.814982][ T509] ? downgrade_write+0x370/0x370
[ 51.819931][ T509] __lookup_slow+0x2d5/0x410
[ 51.824526][ T509] ? lookup_one_len+0x2e0/0x2e0
[ 51.829378][ T509] ? down_read+0xa6/0xf0
[ 51.833671][ T509] lookup_slow+0x57/0x70
[ 51.838016][ T509] walk_component+0x2f4/0x420
[ 51.842708][ T509] path_lookupat+0x180/0x490
[ 51.847291][ T509] filename_lookup+0x224/0x560
[ 51.852049][ T509] ? __cfi_filename_lookup+0x10/0x10
[ 51.857339][ T509] ? strncpy_from_user+0x17a/0x2d0
[ 51.862460][ T509] user_path_at_empty+0x47/0x1c0
[ 51.867395][ T509] do_sys_truncate+0xb6/0x1c0
[ 51.872076][ T509] ? __cfi_do_sys_truncate+0x10/0x10
[ 51.877360][ T509] ? fpregs_restore_userregs+0x128/0x260
[ 51.883009][ T509] __x64_sys_truncate+0x5b/0x70
[ 51.887973][ T509] x64_sys_call+0x679/0x9a0
[ 51.892473][ T509] do_syscall_64+0x4c/0xa0
[ 51.896918][ T509] ? clear_bhb_loop+0x30/0x80
[ 51.901588][ T509] ? clear_bhb_loop+0x30/0x80
[ 51.906268][ T509] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 51.912257][ T509] RIP: 0033:0x7f9f9f599079
[ 51.916748][ T509] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 51.936438][ T509] RSP: 002b:00007f9fa032a028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 51.944947][ T509] RAX: ffffffffffffffda RBX: 00007f9f9f7c5fa0 RCX: 00007f9f9f599079
[ 51.953181][ T509] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 51.961178][ T509] RBP: 00007f9f9f62ba4c R08: 0000000000000000 R09: 0000000000000000
[ 51.969249][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 51.977225][ T509] R13: 0000000000000000 R14: 00007f9f9f7c5fa0 R15: 00007ffdceb57af8
[ 51.985418][ T509]
[ 52.008071][ T512] CPU: 1 PID: 512 Comm: syz.0.24 Tainted: G B syzkaller #0
[ 52.016698][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 52.026766][ T512] Call Trace:
[ 52.030048][ T512]
[ 52.032979][ T512] __dump_stack+0x21/0x24
[ 52.037316][ T512] dump_stack_lvl+0x110/0x170
[ 52.042002][ T512] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.047040][ T512] ? __kasan_check_write+0x14/0x20
[ 52.052164][ T512] dump_stack+0x15/0x24
[ 52.056415][ T512] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 52.061969][ T512] f2fs_is_valid_blkaddr+0x23/0x30
[ 52.067173][ T512] sanity_check_extent_cache+0x1c5/0x480
[ 52.072813][ T512] f2fs_iget+0x3419/0x4de0
[ 52.077239][ T512] f2fs_lookup+0x3a9/0xab0
[ 52.081660][ T512] ? __cfi_f2fs_lookup+0x10/0x10
[ 52.086651][ T512] ? __cfi_d_alloc_parallel+0x10/0x10
[ 52.092048][ T512] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 52.097866][ T512] ? downgrade_write+0x370/0x370
[ 52.102819][ T512] __lookup_slow+0x2d5/0x410
[ 52.107415][ T512] ? lookup_one_len+0x2e0/0x2e0
[ 52.112279][ T512] ? down_read+0xa6/0xf0
[ 52.116527][ T512] lookup_slow+0x57/0x70
[ 52.120772][ T512] walk_component+0x2f4/0x420
[ 52.125555][ T512] path_lookupat+0x180/0x490
[ 52.130149][ T512] filename_lookup+0x224/0x560
[ 52.134935][ T512] ? __cfi_filename_lookup+0x10/0x10
[ 52.140226][ T512] ? strncpy_from_user+0x17a/0x2d0
[ 52.145347][ T512] user_path_at_empty+0x47/0x1c0
[ 52.148422][ T514] loop2: detected capacity change from 0 to 131072
[ 52.150552][ T512] do_sys_truncate+0xb6/0x1c0
[ 52.158976][ T514] F2FS-fs (loop2): invalid crc value
[ 52.162753][ T512] ? __cfi_do_sys_truncate+0x10/0x10
[ 52.171332][ T509] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 52.173367][ T512] ? fpregs_restore_userregs+0x128/0x260
[ 52.186791][ T528] F2FS-fs (loop6): access invalid blkaddr:2147563524
[ 52.191878][ T512] __x64_sys_truncate+0x5b/0x70
[ 52.191900][ T512] x64_sys_call+0x679/0x9a0
[ 52.191917][ T512] do_syscall_64+0x4c/0xa0
[ 52.212299][ T512] ? clear_bhb_loop+0x30/0x80
[ 52.216981][ T512] ? clear_bhb_loop+0x30/0x80
[ 52.221655][ T512] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.227561][ T512] RIP: 0033:0x7fe9f0599079
[ 52.231979][ T512] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 52.251619][ T512] RSP: 002b:00007fe9f148a028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 52.260060][ T512] RAX: ffffffffffffffda RBX: 00007fe9f07c5fa0 RCX: 00007fe9f0599079
[ 52.268025][ T512] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 52.275986][ T512] RBP: 00007fe9f062ba4c R08: 0000000000000000 R09: 0000000000000000
[ 52.283945][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 52.291902][ T512] R13: 0000000000000000 R14: 00007fe9f07c5fa0 R15: 00007ffdfae54bc8
[ 52.299867][ T512]
[ 52.302914][ T528] CPU: 0 PID: 528 Comm: syz.6.22 Tainted: G B syzkaller #0
[ 52.311505][ T528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 52.321562][ T528] Call Trace:
[ 52.324850][ T528]
[ 52.327782][ T528] __dump_stack+0x21/0x24
[ 52.332125][ T528] dump_stack_lvl+0x110/0x170
[ 52.336812][ T528] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.342023][ T528] ? mutex_unlock+0x8f/0x230
[ 52.346622][ T528] ? __kasan_check_write+0x14/0x20
[ 52.351735][ T528] dump_stack+0x15/0x24
[ 52.355900][ T528] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 52.361453][ T528] f2fs_is_valid_blkaddr+0x23/0x30
[ 52.366572][ T528] sanity_check_extent_cache+0x1c5/0x480
[ 52.372251][ T528] f2fs_iget+0x3419/0x4de0
[ 52.376693][ T528] f2fs_lookup+0x3a9/0xab0
[ 52.381123][ T528] ? __cfi_f2fs_lookup+0x10/0x10
[ 52.386121][ T528] ? __cfi_d_alloc_parallel+0x10/0x10
[ 52.391529][ T528] ? __cfi_f2fs_lookup+0x10/0x10
[ 52.396472][ T528] path_openat+0x1006/0x2f80
[ 52.401121][ T528] ? do_filp_open+0x430/0x430
[ 52.405847][ T528] do_filp_open+0x1f1/0x430
[ 52.410366][ T528] ? __cfi_do_filp_open+0x10/0x10
[ 52.415573][ T528] ? alloc_fd+0x4e6/0x590
[ 52.419901][ T528] do_sys_openat2+0x15e/0x810
[ 52.424580][ T528] ? __kasan_check_write+0x14/0x20
[ 52.429781][ T528] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 52.435426][ T528] ? do_sys_open+0xe0/0xe0
[ 52.439849][ T528] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 52.445408][ T528] ? do_user_addr_fault+0x9ac/0x1050
[ 52.450704][ T528] __x64_sys_openat+0x136/0x160
[ 52.455569][ T528] x64_sys_call+0x783/0x9a0
[ 52.460079][ T528] do_syscall_64+0x4c/0xa0
[ 52.464505][ T528] ? clear_bhb_loop+0x30/0x80
[ 52.469193][ T528] ? clear_bhb_loop+0x30/0x80
[ 52.473875][ T528] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.479778][ T528] RIP: 0033:0x7f9f9f599079
[ 52.484199][ T528] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 52.503804][ T528] RSP: 002b:00007f9f9f3ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 52.512311][ T528] RAX: ffffffffffffffda RBX: 00007f9f9f7c6080 RCX: 00007f9f9f599079
[ 52.520272][ T528] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 52.528223][ T528] RBP: 00007f9f9f62ba4c R08: 0000000000000000 R09: 0000000000000000
[ 52.536193][ T528] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 52.544159][ T528] R13: 0000000000000001 R14: 00007f9f9f7c6080 R15: 00007ffdceb57af8
[ 52.552116][ T528]
[ 52.556822][ T514] F2FS-fs (loop2): Found nat_bits in checkpoint
[ 52.566284][ T512] F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 52.587080][ T528] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 52.604024][ T514] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[ 52.628842][ T514] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 52.651489][ T514] CPU: 1 PID: 514 Comm: syz.2.21 Tainted: G B syzkaller #0
[ 52.660123][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 52.670185][ T514] Call Trace:
[ 52.673461][ T514]
[ 52.676396][ T514] __dump_stack+0x21/0x24
[ 52.680729][ T514] dump_stack_lvl+0x110/0x170
[ 52.685434][ T514] ? __cfi_dump_stack_lvl+0x8/0x8
[ 52.690463][ T514] ? __kasan_check_write+0x14/0x20
[ 52.695584][ T514] dump_stack+0x15/0x24
[ 52.699760][ T514] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 52.705747][ T514] f2fs_is_valid_blkaddr+0x23/0x30
[ 52.710864][ T514] sanity_check_extent_cache+0x1c5/0x480
[ 52.716510][ T514] f2fs_iget+0x3419/0x4de0
[ 52.720940][ T514] f2fs_lookup+0x3a9/0xab0
[ 52.725356][ T514] ? __cfi_f2fs_lookup+0x10/0x10
[ 52.730296][ T514] ? __cfi_d_alloc_parallel+0x10/0x10
[ 52.735680][ T514] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 52.741405][ T514] ? downgrade_write+0x370/0x370
[ 52.746350][ T514] __lookup_slow+0x2d5/0x410
[ 52.750940][ T514] ? lookup_one_len+0x2e0/0x2e0
[ 52.755799][ T514] ? down_read+0xa6/0xf0
[ 52.760049][ T514] lookup_slow+0x57/0x70
[ 52.764381][ T514] walk_component+0x2f4/0x420
[ 52.769066][ T514] path_lookupat+0x180/0x490
[ 52.773663][ T514] filename_lookup+0x224/0x560
[ 52.778440][ T514] ? __cfi_filename_lookup+0x10/0x10
[ 52.783730][ T514] ? strncpy_from_user+0x17a/0x2d0
[ 52.788852][ T514] user_path_at_empty+0x47/0x1c0
[ 52.793880][ T514] do_sys_truncate+0xb6/0x1c0
[ 52.798563][ T514] ? __cfi_do_sys_truncate+0x10/0x10
[ 52.803974][ T514] ? fpregs_restore_userregs+0x128/0x260
[ 52.809612][ T514] __x64_sys_truncate+0x5b/0x70
[ 52.814470][ T514] x64_sys_call+0x679/0x9a0
[ 52.818987][ T514] do_syscall_64+0x4c/0xa0
[ 52.823413][ T514] ? clear_bhb_loop+0x30/0x80
[ 52.828103][ T514] ? clear_bhb_loop+0x30/0x80
[ 52.833007][ T514] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 52.838912][ T514] RIP: 0033:0x7fc836399079
[ 52.843329][ T514] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 52.848004][ T524] loop5: detected capacity change from 0 to 131072
[ 52.862933][ T514] RSP: 002b:00007fc8372ca028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 52.862953][ T514] RAX: ffffffffffffffda RBX: 00007fc8365c5fa0 RCX: 00007fc836399079
[ 52.862962][ T514] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 52.862971][ T514] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 52.862981][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 52.898168][ T524] F2FS-fs (loop5): invalid crc value
[ 52.901807][ T514] R13: 0000000000000000 R14: 00007fc8365c5fa0 R15: 00007ffc50121918
[ 52.923085][ T514]
[ 52.951943][ T524] F2FS-fs (loop5): Found nat_bits in checkpoint
[ 53.027045][ T514] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 53.038045][ T517] loop1: detected capacity change from 0 to 131072
[ 53.040173][ T524] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[ 53.048018][ T517] F2FS-fs (loop1): invalid crc value
[ 53.080476][ T517] F2FS-fs (loop1): Found nat_bits in checkpoint
[ 53.097573][ T537] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 53.107187][ T524] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 53.115736][ T537] CPU: 1 PID: 537 Comm: syz.2.21 Tainted: G B syzkaller #0
[ 53.124346][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 53.134401][ T537] Call Trace:
[ 53.137680][ T537]
[ 53.140600][ T537] __dump_stack+0x21/0x24
[ 53.144960][ T537] dump_stack_lvl+0x110/0x170
[ 53.149640][ T537] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.154686][ T537] ? __kasan_check_write+0x14/0x20
[ 53.159840][ T537] dump_stack+0x15/0x24
[ 53.164006][ T537] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 53.169591][ T537] f2fs_is_valid_blkaddr+0x23/0x30
[ 53.174740][ T537] sanity_check_extent_cache+0x1c5/0x480
[ 53.180388][ T537] f2fs_iget+0x3419/0x4de0
[ 53.184814][ T537] f2fs_lookup+0x3a9/0xab0
[ 53.189325][ T537] ? __cfi_f2fs_lookup+0x10/0x10
[ 53.194276][ T537] ? __cfi_d_alloc_parallel+0x10/0x10
[ 53.199665][ T537] ? __cfi_f2fs_lookup+0x10/0x10
[ 53.204611][ T537] path_openat+0x1006/0x2f80
[ 53.209214][ T537] ? do_filp_open+0x430/0x430
[ 53.213981][ T537] do_filp_open+0x1f1/0x430
[ 53.218491][ T537] ? __cfi_do_filp_open+0x10/0x10
[ 53.223520][ T537] ? alloc_fd+0x4e6/0x590
[ 53.227842][ T537] do_sys_openat2+0x15e/0x810
[ 53.232515][ T537] ? __kasan_check_write+0x14/0x20
[ 53.237618][ T537] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 53.243255][ T537] ? do_sys_open+0xe0/0xe0
[ 53.247667][ T537] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 53.253211][ T537] ? do_user_addr_fault+0x9ac/0x1050
[ 53.258487][ T537] __x64_sys_openat+0x136/0x160
[ 53.263331][ T537] x64_sys_call+0x783/0x9a0
[ 53.267823][ T537] do_syscall_64+0x4c/0xa0
[ 53.272327][ T537] ? clear_bhb_loop+0x30/0x80
[ 53.276999][ T537] ? clear_bhb_loop+0x30/0x80
[ 53.281674][ T537] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.287573][ T537] RIP: 0033:0x7fc836399079
[ 53.291979][ T537] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 53.311666][ T537] RSP: 002b:00007fc8372a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 53.320163][ T537] RAX: ffffffffffffffda RBX: 00007fc8365c6080 RCX: 00007fc836399079
[ 53.328128][ T537] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 53.336172][ T537] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 53.344150][ T537] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 53.352113][ T537] R13: 0000000000000001 R14: 00007fc8365c6080 R15: 00007ffc50121918
[ 53.360075][ T537]
[ 53.363553][ T524] CPU: 0 PID: 524 Comm: syz.5.25 Tainted: G B syzkaller #0
[ 53.372158][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 53.380243][ T537] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 53.382212][ T524] Call Trace:
[ 53.382219][ T524]
[ 53.401318][ T524] __dump_stack+0x21/0x24
[ 53.405662][ T524] dump_stack_lvl+0x110/0x170
[ 53.410524][ T524] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.415563][ T524] ? __kasan_check_write+0x14/0x20
[ 53.420686][ T524] dump_stack+0x15/0x24
[ 53.424928][ T524] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 53.430661][ T524] f2fs_is_valid_blkaddr+0x23/0x30
[ 53.435803][ T524] sanity_check_extent_cache+0x1c5/0x480
[ 53.441440][ T524] f2fs_iget+0x3419/0x4de0
[ 53.445959][ T524] f2fs_lookup+0x3a9/0xab0
[ 53.450462][ T524] ? __cfi_f2fs_lookup+0x10/0x10
[ 53.455391][ T524] ? __cfi_d_alloc_parallel+0x10/0x10
[ 53.460767][ T524] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 53.466495][ T524] ? downgrade_write+0x370/0x370
[ 53.471449][ T524] __lookup_slow+0x2d5/0x410
[ 53.476049][ T524] ? lookup_one_len+0x2e0/0x2e0
[ 53.481064][ T524] ? down_read+0xa6/0xf0
[ 53.485312][ T524] lookup_slow+0x57/0x70
[ 53.489552][ T524] walk_component+0x2f4/0x420
[ 53.494229][ T524] path_lookupat+0x180/0x490
[ 53.498811][ T524] filename_lookup+0x224/0x560
[ 53.503571][ T524] ? __cfi_filename_lookup+0x10/0x10
[ 53.509041][ T524] ? strncpy_from_user+0x17a/0x2d0
[ 53.514179][ T524] user_path_at_empty+0x47/0x1c0
[ 53.519114][ T524] do_sys_truncate+0xb6/0x1c0
[ 53.523802][ T524] ? __cfi_do_sys_truncate+0x10/0x10
[ 53.529190][ T524] ? fpregs_restore_userregs+0x128/0x260
[ 53.534821][ T524] __x64_sys_truncate+0x5b/0x70
[ 53.539765][ T524] x64_sys_call+0x679/0x9a0
[ 53.544384][ T524] do_syscall_64+0x4c/0xa0
[ 53.548803][ T524] ? clear_bhb_loop+0x30/0x80
[ 53.553487][ T524] ? clear_bhb_loop+0x30/0x80
[ 53.558163][ T524] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.564059][ T524] RIP: 0033:0x7f18b9799079
[ 53.568570][ T524] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 53.588355][ T524] RSP: 002b:00007f18ba528028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 53.596856][ T524] RAX: ffffffffffffffda RBX: 00007f18b99c5fa0 RCX: 00007f18b9799079
[ 53.604832][ T524] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 53.612828][ T524] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 53.620989][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 53.629130][ T524] R13: 0000000000000000 R14: 00007f18b99c5fa0 R15: 00007ffc68682398
[ 53.637091][ T524]
[ 53.650073][ T517] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 53.683616][ T517] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 53.696991][ T517] CPU: 1 PID: 517 Comm: syz.1.23 Tainted: G B syzkaller #0
[ 53.705719][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 53.715867][ T517] Call Trace:
[ 53.719163][ T517]
[ 53.722088][ T517] __dump_stack+0x21/0x24
[ 53.726471][ T517] dump_stack_lvl+0x110/0x170
[ 53.731165][ T517] ? __cfi_dump_stack_lvl+0x8/0x8
[ 53.736179][ T517] ? kmem_cache_alloc+0x256/0x330
[ 53.741198][ T517] ? __kasan_check_write+0x14/0x20
[ 53.746310][ T517] dump_stack+0x15/0x24
[ 53.750450][ T517] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 53.756111][ T517] f2fs_is_valid_blkaddr+0x23/0x30
[ 53.761209][ T517] sanity_check_extent_cache+0x1c5/0x480
[ 53.766830][ T517] f2fs_iget+0x3419/0x4de0
[ 53.771235][ T517] f2fs_lookup+0x3a9/0xab0
[ 53.775636][ T517] ? __cfi_f2fs_lookup+0x10/0x10
[ 53.780553][ T517] ? __cfi_d_alloc_parallel+0x10/0x10
[ 53.785915][ T517] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 53.791645][ T517] ? downgrade_write+0x370/0x370
[ 53.796590][ T517] __lookup_slow+0x2d5/0x410
[ 53.801184][ T517] ? lookup_one_len+0x2e0/0x2e0
[ 53.806041][ T517] ? down_read+0xa6/0xf0
[ 53.810281][ T517] lookup_slow+0x57/0x70
[ 53.814512][ T517] walk_component+0x2f4/0x420
[ 53.819264][ T517] path_lookupat+0x180/0x490
[ 53.824356][ T517] filename_lookup+0x224/0x560
[ 53.829113][ T517] ? __cfi_filename_lookup+0x10/0x10
[ 53.834378][ T517] ? strncpy_from_user+0x17a/0x2d0
[ 53.839473][ T517] user_path_at_empty+0x47/0x1c0
[ 53.844395][ T517] do_sys_truncate+0xb6/0x1c0
[ 53.849054][ T517] ? __cfi_do_sys_truncate+0x10/0x10
[ 53.854343][ T517] ? fpregs_restore_userregs+0x128/0x260
[ 53.860047][ T517] __x64_sys_truncate+0x5b/0x70
[ 53.864884][ T517] x64_sys_call+0x679/0x9a0
[ 53.869378][ T517] do_syscall_64+0x4c/0xa0
[ 53.873865][ T517] ? clear_bhb_loop+0x30/0x80
[ 53.878526][ T517] ? clear_bhb_loop+0x30/0x80
[ 53.883190][ T517] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 53.889063][ T517] RIP: 0033:0x7f308b999079
[ 53.893491][ T517] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 53.913087][ T517] RSP: 002b:00007f308c7d1028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 53.921618][ T517] RAX: ffffffffffffffda RBX: 00007f308bbc5fa0 RCX: 00007f308b999079
[ 53.929575][ T517] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 53.937707][ T517] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 53.945684][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 53.953827][ T517] R13: 0000000000000000 R14: 00007f308bbc5fa0 R15: 00007ffe601a1cd8
[ 53.962089][ T517]
[ 53.977009][ T524] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 54.047259][ T543] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 54.054046][ T543] CPU: 1 PID: 543 Comm: syz.5.25 Tainted: G B syzkaller #0
[ 54.062647][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 54.072711][ T543] Call Trace:
[ 54.075994][ T543]
[ 54.079017][ T543] __dump_stack+0x21/0x24
[ 54.083357][ T543] dump_stack_lvl+0x110/0x170
[ 54.088047][ T543] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.093166][ T543] ? kmem_cache_alloc+0x256/0x330
[ 54.098204][ T543] ? __kasan_check_write+0x14/0x20
[ 54.103325][ T543] dump_stack+0x15/0x24
[ 54.107488][ T543] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 54.113040][ T543] f2fs_is_valid_blkaddr+0x23/0x30
[ 54.118157][ T543] sanity_check_extent_cache+0x1c5/0x480
[ 54.124238][ T543] f2fs_iget+0x3419/0x4de0
[ 54.128841][ T543] f2fs_lookup+0x3a9/0xab0
[ 54.133270][ T543] ? __cfi_f2fs_lookup+0x10/0x10
[ 54.138222][ T543] ? __cfi_d_alloc_parallel+0x10/0x10
[ 54.143621][ T543] ? __cfi_f2fs_lookup+0x10/0x10
[ 54.147344][ T517] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 54.148567][ T543] path_openat+0x1006/0x2f80
[ 54.166234][ T543] ? do_filp_open+0x430/0x430
[ 54.170925][ T543] do_filp_open+0x1f1/0x430
[ 54.175438][ T543] ? __cfi_do_filp_open+0x10/0x10
[ 54.180485][ T543] ? alloc_fd+0x4e6/0x590
[ 54.182592][ T547] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 54.184812][ T543] do_sys_openat2+0x15e/0x810
[ 54.196184][ T543] ? __kasan_check_write+0x14/0x20
[ 54.201306][ T543] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 54.207038][ T543] ? do_sys_open+0xe0/0xe0
[ 54.211459][ T543] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 54.217018][ T543] ? do_user_addr_fault+0x9ac/0x1050
[ 54.222337][ T543] __x64_sys_openat+0x136/0x160
[ 54.227205][ T543] x64_sys_call+0x783/0x9a0
[ 54.231718][ T543] do_syscall_64+0x4c/0xa0
[ 54.236152][ T543] ? clear_bhb_loop+0x30/0x80
[ 54.240836][ T543] ? clear_bhb_loop+0x30/0x80
[ 54.245517][ T543] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.251404][ T543] RIP: 0033:0x7f18b9799079
[ 54.255817][ T543] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 54.275430][ T543] RSP: 002b:00007f18b95ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 54.283851][ T543] RAX: ffffffffffffffda RBX: 00007f18b99c6080 RCX: 00007f18b9799079
[ 54.291828][ T543] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 54.299822][ T543] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 54.307792][ T543] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 54.316293][ T543] R13: 0000000000000001 R14: 00007f18b99c6080 R15: 00007ffc68682398
[ 54.324271][ T543]
[ 54.327342][ T547] CPU: 0 PID: 547 Comm: syz.1.23 Tainted: G B syzkaller #0
[ 54.335941][ T547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 54.345998][ T547] Call Trace:
[ 54.349274][ T547]
[ 54.352287][ T547] __dump_stack+0x21/0x24
[ 54.356711][ T547] dump_stack_lvl+0x110/0x170
[ 54.361449][ T547] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.366570][ T547] ? mutex_unlock+0x8f/0x230
[ 54.371203][ T547] ? __kasan_check_write+0x14/0x20
[ 54.376330][ T547] dump_stack+0x15/0x24
[ 54.380505][ T547] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 54.386097][ T547] f2fs_is_valid_blkaddr+0x23/0x30
[ 54.391220][ T547] sanity_check_extent_cache+0x1c5/0x480
[ 54.396946][ T547] f2fs_iget+0x3419/0x4de0
[ 54.401381][ T547] f2fs_lookup+0x3a9/0xab0
[ 54.405880][ T547] ? __cfi_f2fs_lookup+0x10/0x10
[ 54.410814][ T547] ? __cfi_d_alloc_parallel+0x10/0x10
[ 54.416191][ T547] ? __cfi_f2fs_lookup+0x10/0x10
[ 54.421125][ T547] path_openat+0x1006/0x2f80
[ 54.425762][ T547] ? do_filp_open+0x430/0x430
[ 54.430444][ T547] do_filp_open+0x1f1/0x430
[ 54.434960][ T547] ? __cfi_do_filp_open+0x10/0x10
[ 54.439996][ T547] ? alloc_fd+0x4e6/0x590
[ 54.444415][ T547] do_sys_openat2+0x15e/0x810
[ 54.449188][ T547] ? __kasan_check_write+0x14/0x20
[ 54.454297][ T547] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 54.459934][ T547] ? do_sys_open+0xe0/0xe0
[ 54.464356][ T547] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 54.469912][ T547] ? do_user_addr_fault+0x9ac/0x1050
[ 54.475199][ T547] __x64_sys_openat+0x136/0x160
[ 54.480051][ T547] x64_sys_call+0x783/0x9a0
[ 54.484553][ T547] do_syscall_64+0x4c/0xa0
[ 54.488969][ T547] ? clear_bhb_loop+0x30/0x80
[ 54.493729][ T547] ? clear_bhb_loop+0x30/0x80
[ 54.498491][ T547] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 54.504378][ T547] RIP: 0033:0x7f308b999079
[ 54.508878][ T547] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 54.528565][ T547] RSP: 002b:00007f308c7b0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 54.536981][ T547] RAX: ffffffffffffffda RBX: 00007f308bbc6080 RCX: 00007f308b999079
[ 54.544951][ T547] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 54.552914][ T547] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 54.560876][ T547] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 54.569005][ T547] R13: 0000000000000001 R14: 00007f308bbc6080 R15: 00007ffe601a1cd8
[ 54.576961][ T547]
[ 54.581828][ T547] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 54.587052][ T543] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 54.632248][ T545] loop6: detected capacity change from 0 to 131072
[ 54.672079][ T545] F2FS-fs (loop6): invalid crc value
[ 54.727826][ T545] F2FS-fs (loop6): Found nat_bits in checkpoint
[ 54.773067][ T542] loop0: detected capacity change from 0 to 131072
[ 54.802909][ T542] F2FS-fs (loop0): invalid crc value
[ 54.833634][ T542] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 54.847002][ T545] F2FS-fs (loop6): Mounted with checkpoint version = 48b305e5
[ 54.863615][ T545] F2FS-fs (loop6): access invalid blkaddr:2147563524
[ 54.873301][ T545] CPU: 0 PID: 545 Comm: syz.6.27 Tainted: G B syzkaller #0
[ 54.881932][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 54.892018][ T545] Call Trace:
[ 54.895301][ T545]
[ 54.898238][ T545] __dump_stack+0x21/0x24
[ 54.902671][ T545] dump_stack_lvl+0x110/0x170
[ 54.907359][ T545] ? __cfi_dump_stack_lvl+0x8/0x8
[ 54.912400][ T545] ? __kasan_check_write+0x14/0x20
[ 54.913508][ T542] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[ 54.917521][ T545] dump_stack+0x15/0x24
[ 54.917547][ T545] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 54.917567][ T545] f2fs_is_valid_blkaddr+0x23/0x30
[ 54.940050][ T545] sanity_check_extent_cache+0x1c5/0x480
[ 54.945698][ T545] f2fs_iget+0x3419/0x4de0
[ 54.946129][ T542] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 54.950122][ T545] f2fs_lookup+0x3a9/0xab0
[ 54.950144][ T545] ? __cfi_f2fs_lookup+0x10/0x10
[ 54.966296][ T545] ? __cfi_d_alloc_parallel+0x10/0x10
[ 54.971700][ T545] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 54.977615][ T545] ? downgrade_write+0x370/0x370
[ 54.982651][ T545] __lookup_slow+0x2d5/0x410
[ 54.987249][ T545] ? lookup_one_len+0x2e0/0x2e0
[ 54.992193][ T545] ? down_read+0xa6/0xf0
[ 54.996441][ T545] lookup_slow+0x57/0x70
[ 55.000729][ T545] walk_component+0x2f4/0x420
[ 55.005414][ T545] path_lookupat+0x180/0x490
[ 55.010005][ T545] filename_lookup+0x224/0x560
[ 55.014760][ T545] ? __cfi_filename_lookup+0x10/0x10
[ 55.020073][ T545] ? strncpy_from_user+0x17a/0x2d0
[ 55.025174][ T545] user_path_at_empty+0x47/0x1c0
[ 55.030105][ T545] do_sys_truncate+0xb6/0x1c0
[ 55.034791][ T545] ? __cfi_mem_cgroup_handle_over_high+0x10/0x10
[ 55.041118][ T545] ? __cfi_do_sys_truncate+0x10/0x10
[ 55.046397][ T545] ? fpregs_restore_userregs+0x128/0x260
[ 55.052038][ T545] __x64_sys_truncate+0x5b/0x70
[ 55.056890][ T545] x64_sys_call+0x679/0x9a0
[ 55.061499][ T545] do_syscall_64+0x4c/0xa0
[ 55.065920][ T545] ? clear_bhb_loop+0x30/0x80
[ 55.070678][ T545] ? clear_bhb_loop+0x30/0x80
[ 55.075434][ T545] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.081326][ T545] RIP: 0033:0x7f9f9f599079
[ 55.085742][ T545] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 55.105352][ T545] RSP: 002b:00007f9fa032a028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 55.113772][ T545] RAX: ffffffffffffffda RBX: 00007f9f9f7c5fa0 RCX: 00007f9f9f599079
[ 55.121745][ T545] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 55.129801][ T545] RBP: 00007f9f9f62ba4c R08: 0000000000000000 R09: 0000000000000000
[ 55.137792][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 55.145771][ T545] R13: 0000000000000000 R14: 00007f9f9f7c5fa0 R15: 00007ffdceb57af8
[ 55.153822][ T545]
[ 55.178368][ T542] CPU: 1 PID: 542 Comm: syz.0.26 Tainted: G B syzkaller #0
[ 55.187025][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 55.197077][ T542] Call Trace:
[ 55.200350][ T542]
[ 55.203262][ T542] __dump_stack+0x21/0x24
[ 55.207581][ T542] dump_stack_lvl+0x110/0x170
[ 55.212246][ T542] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.217257][ T542] ? __kasan_check_write+0x14/0x20
[ 55.222376][ T542] dump_stack+0x15/0x24
[ 55.226545][ T542] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 55.232074][ T542] f2fs_is_valid_blkaddr+0x23/0x30
[ 55.237180][ T542] sanity_check_extent_cache+0x1c5/0x480
[ 55.242800][ T542] f2fs_iget+0x3419/0x4de0
[ 55.247209][ T542] f2fs_lookup+0x3a9/0xab0
[ 55.251607][ T542] ? __cfi_f2fs_lookup+0x10/0x10
[ 55.256526][ T542] ? __cfi_d_alloc_parallel+0x10/0x10
[ 55.261889][ T542] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 55.267594][ T542] ? downgrade_write+0x370/0x370
[ 55.272516][ T542] __lookup_slow+0x2d5/0x410
[ 55.277106][ T542] ? lookup_one_len+0x2e0/0x2e0
[ 55.282026][ T542] ? down_read+0xa6/0xf0
[ 55.286249][ T542] lookup_slow+0x57/0x70
[ 55.290593][ T542] walk_component+0x2f4/0x420
[ 55.295288][ T542] path_lookupat+0x180/0x490
[ 55.299907][ T542] filename_lookup+0x224/0x560
[ 55.304662][ T542] ? __cfi_filename_lookup+0x10/0x10
[ 55.309933][ T542] ? strncpy_from_user+0x17a/0x2d0
[ 55.315048][ T542] user_path_at_empty+0x47/0x1c0
[ 55.319983][ T542] do_sys_truncate+0xb6/0x1c0
[ 55.324648][ T542] ? __cfi_do_sys_truncate+0x10/0x10
[ 55.330003][ T542] ? fpregs_restore_userregs+0x128/0x260
[ 55.335631][ T542] __x64_sys_truncate+0x5b/0x70
[ 55.340461][ T542] x64_sys_call+0x679/0x9a0
[ 55.344944][ T542] do_syscall_64+0x4c/0xa0
[ 55.349380][ T542] ? clear_bhb_loop+0x30/0x80
[ 55.354036][ T542] ? clear_bhb_loop+0x30/0x80
[ 55.358694][ T542] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.364659][ T542] RIP: 0033:0x7fe9f0599079
[ 55.369060][ T542] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 55.388825][ T542] RSP: 002b:00007fe9f148a028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 55.397258][ T542] RAX: ffffffffffffffda RBX: 00007fe9f07c5fa0 RCX: 00007fe9f0599079
[ 55.405215][ T542] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 55.413175][ T542] RBP: 00007fe9f062ba4c R08: 0000000000000000 R09: 0000000000000000
[ 55.421146][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 55.429162][ T542] R13: 0000000000000000 R14: 00007fe9f07c5fa0 R15: 00007ffdfae54bc8
[ 55.437220][ T542]
[ 55.440564][ T545] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 55.497198][ T558] F2FS-fs (loop6): access invalid blkaddr:2147563524
[ 55.499541][ T549] loop2: detected capacity change from 0 to 131072
[ 55.503907][ T558] CPU: 1 PID: 558 Comm: syz.6.27 Tainted: G B syzkaller #0
[ 55.519071][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 55.529203][ T558] Call Trace:
[ 55.532465][ T558]
[ 55.535390][ T558] __dump_stack+0x21/0x24
[ 55.539710][ T558] dump_stack_lvl+0x110/0x170
[ 55.544374][ T558] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.549482][ T558] ? mutex_unlock+0x8f/0x230
[ 55.554057][ T558] ? __kasan_check_write+0x14/0x20
[ 55.559151][ T558] dump_stack+0x15/0x24
[ 55.563294][ T558] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 55.568827][ T558] f2fs_is_valid_blkaddr+0x23/0x30
[ 55.573920][ T558] sanity_check_extent_cache+0x1c5/0x480
[ 55.579537][ T558] f2fs_iget+0x3419/0x4de0
[ 55.583940][ T558] f2fs_lookup+0x3a9/0xab0
[ 55.588344][ T558] ? __cfi_f2fs_lookup+0x10/0x10
[ 55.593274][ T558] ? __cfi_d_alloc_parallel+0x10/0x10
[ 55.598649][ T558] ? __cfi_f2fs_lookup+0x10/0x10
[ 55.603578][ T558] path_openat+0x1006/0x2f80
[ 55.608239][ T558] ? do_filp_open+0x430/0x430
[ 55.612951][ T558] do_filp_open+0x1f1/0x430
[ 55.617456][ T558] ? __cfi_do_filp_open+0x10/0x10
[ 55.622472][ T558] ? alloc_fd+0x4e6/0x590
[ 55.626786][ T558] do_sys_openat2+0x15e/0x810
[ 55.631467][ T558] ? __kasan_check_write+0x14/0x20
[ 55.636558][ T558] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 55.642180][ T558] ? do_sys_open+0xe0/0xe0
[ 55.646586][ T558] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 55.652220][ T558] ? xfd_validate_state+0x70/0x150
[ 55.657337][ T558] __x64_sys_openat+0x136/0x160
[ 55.662274][ T558] x64_sys_call+0x783/0x9a0
[ 55.666784][ T558] do_syscall_64+0x4c/0xa0
[ 55.671316][ T558] ? clear_bhb_loop+0x30/0x80
[ 55.675978][ T558] ? clear_bhb_loop+0x30/0x80
[ 55.680657][ T558] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 55.686541][ T558] RIP: 0033:0x7f9f9f599079
[ 55.691032][ T558] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 55.710720][ T558] RSP: 002b:00007f9f9f3ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 55.719478][ T558] RAX: ffffffffffffffda RBX: 00007f9f9f7c6080 RCX: 00007f9f9f599079
[ 55.727436][ T558] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 55.735391][ T558] RBP: 00007f9f9f62ba4c R08: 0000000000000000 R09: 0000000000000000
[ 55.743381][ T558] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 55.751334][ T558] R13: 0000000000000001 R14: 00007f9f9f7c6080 R15: 00007ffdceb57af8
[ 55.759291][ T558]
[ 55.768247][ T549] F2FS-fs (loop2): invalid crc value
[ 55.803647][ T549] F2FS-fs (loop2): Found nat_bits in checkpoint
[ 55.847007][ T542] F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 55.863426][ T549] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[ 55.883970][ T560] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 55.897189][ T549] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 55.907053][ T560] CPU: 0 PID: 560 Comm: syz.0.26 Tainted: G B syzkaller #0
[ 55.915669][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 55.925727][ T560] Call Trace:
[ 55.929009][ T560]
[ 55.931936][ T560] __dump_stack+0x21/0x24
[ 55.936273][ T560] dump_stack_lvl+0x110/0x170
[ 55.940951][ T560] ? __cfi_dump_stack_lvl+0x8/0x8
[ 55.945979][ T560] ? __kasan_check_write+0x14/0x20
[ 55.951091][ T560] dump_stack+0x15/0x24
[ 55.955254][ T560] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 55.960804][ T560] f2fs_is_valid_blkaddr+0x23/0x30
[ 55.965920][ T560] sanity_check_extent_cache+0x1c5/0x480
[ 55.971649][ T560] f2fs_iget+0x3419/0x4de0
[ 55.976074][ T560] f2fs_lookup+0x3a9/0xab0
[ 55.980499][ T560] ? __cfi_f2fs_lookup+0x10/0x10
[ 55.985445][ T560] ? __cfi_d_alloc_parallel+0x10/0x10
[ 55.990852][ T560] ? __cfi_f2fs_lookup+0x10/0x10
[ 55.995807][ T560] path_openat+0x1006/0x2f80
[ 56.000858][ T560] ? do_filp_open+0x430/0x430
[ 56.005624][ T560] do_filp_open+0x1f1/0x430
[ 56.010263][ T560] ? __cfi_do_filp_open+0x10/0x10
[ 56.015300][ T560] ? alloc_fd+0x4e6/0x590
[ 56.019638][ T560] do_sys_openat2+0x15e/0x810
[ 56.024324][ T560] ? __kasan_check_write+0x14/0x20
[ 56.029548][ T560] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 56.035204][ T560] ? do_sys_open+0xe0/0xe0
[ 56.039723][ T560] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 56.045285][ T560] ? do_user_addr_fault+0x9ac/0x1050
[ 56.050671][ T560] __x64_sys_openat+0x136/0x160
[ 56.055626][ T560] x64_sys_call+0x783/0x9a0
[ 56.060309][ T560] do_syscall_64+0x4c/0xa0
[ 56.064816][ T560] ? clear_bhb_loop+0x30/0x80
[ 56.069501][ T560] ? clear_bhb_loop+0x30/0x80
[ 56.074209][ T560] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.080127][ T560] RIP: 0033:0x7fe9f0599079
[ 56.084576][ T560] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 56.104449][ T560] RSP: 002b:00007fe9f1469028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 56.112864][ T560] RAX: ffffffffffffffda RBX: 00007fe9f07c6080 RCX: 00007fe9f0599079
[ 56.120824][ T560] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 56.128787][ T560] RBP: 00007fe9f062ba4c R08: 0000000000000000 R09: 0000000000000000
[ 56.136738][ T560] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 56.144692][ T560] R13: 0000000000000001 R14: 00007fe9f07c6080 R15: 00007ffdfae54bc8
[ 56.152647][ T560]
[ 56.160068][ T549] CPU: 0 PID: 549 Comm: syz.2.28 Tainted: G B syzkaller #0
[ 56.168693][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 56.178838][ T549] Call Trace:
[ 56.182127][ T549]
[ 56.185077][ T549] __dump_stack+0x21/0x24
[ 56.189440][ T549] dump_stack_lvl+0x110/0x170
[ 56.194140][ T549] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.199169][ T549] ? __kasan_check_write+0x14/0x20
[ 56.204377][ T549] dump_stack+0x15/0x24
[ 56.208541][ T549] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 56.214111][ T549] f2fs_is_valid_blkaddr+0x23/0x30
[ 56.219235][ T549] sanity_check_extent_cache+0x1c5/0x480
[ 56.224887][ T549] f2fs_iget+0x3419/0x4de0
[ 56.229605][ T549] f2fs_lookup+0x3a9/0xab0
[ 56.234116][ T549] ? __cfi_f2fs_lookup+0x10/0x10
[ 56.239060][ T549] ? __cfi_d_alloc_parallel+0x10/0x10
[ 56.244445][ T549] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 56.250174][ T549] ? downgrade_write+0x370/0x370
[ 56.255127][ T549] __lookup_slow+0x2d5/0x410
[ 56.259725][ T549] ? lookup_one_len+0x2e0/0x2e0
[ 56.264566][ T549] ? down_read+0xa6/0xf0
[ 56.268796][ T549] lookup_slow+0x57/0x70
[ 56.273041][ T549] walk_component+0x2f4/0x420
[ 56.277708][ T549] path_lookupat+0x180/0x490
[ 56.282372][ T549] filename_lookup+0x224/0x560
[ 56.287120][ T549] ? __cfi_filename_lookup+0x10/0x10
[ 56.292395][ T549] ? strncpy_from_user+0x17a/0x2d0
[ 56.297572][ T549] user_path_at_empty+0x47/0x1c0
[ 56.302493][ T549] do_sys_truncate+0xb6/0x1c0
[ 56.307149][ T549] ? __cfi_do_sys_truncate+0x10/0x10
[ 56.312415][ T549] ? fpregs_restore_userregs+0x128/0x260
[ 56.318032][ T549] __x64_sys_truncate+0x5b/0x70
[ 56.322865][ T549] x64_sys_call+0x679/0x9a0
[ 56.327357][ T549] do_syscall_64+0x4c/0xa0
[ 56.331786][ T549] ? clear_bhb_loop+0x30/0x80
[ 56.336456][ T549] ? clear_bhb_loop+0x30/0x80
[ 56.341115][ T549] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.347004][ T549] RIP: 0033:0x7fc836399079
[ 56.351409][ T549] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 56.371169][ T549] RSP: 002b:00007fc8372ca028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 56.379566][ T549] RAX: ffffffffffffffda RBX: 00007fc8365c5fa0 RCX: 00007fc836399079
[ 56.387525][ T549] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 56.395490][ T549] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 56.403539][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 56.411492][ T549] R13: 0000000000000000 R14: 00007fc8365c5fa0 R15: 00007ffc50121918
[ 56.419450][ T549]
[ 56.423447][ T558] F2FS-fs (loop6): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
2026/04/16 19:25:00 executed programs: 25
[ 56.438518][ T560] F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 56.453550][ T549] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 56.529941][ T561] loop1: detected capacity change from 0 to 131072
[ 56.551874][ T568] F2FS-fs (loop2): access invalid blkaddr:2147563524
[ 56.558983][ T561] F2FS-fs (loop1): invalid crc value
[ 56.584146][ T568] CPU: 0 PID: 568 Comm: syz.2.28 Tainted: G B syzkaller #0
[ 56.592778][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 56.602841][ T568] Call Trace:
[ 56.606125][ T568]
[ 56.609057][ T568] __dump_stack+0x21/0x24
[ 56.613424][ T568] dump_stack_lvl+0x110/0x170
[ 56.618130][ T568] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.623238][ T568] ? mutex_unlock+0x8f/0x230
[ 56.627855][ T568] ? __kasan_check_write+0x14/0x20
[ 56.632977][ T568] dump_stack+0x15/0x24
[ 56.637148][ T568] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 56.642722][ T568] f2fs_is_valid_blkaddr+0x23/0x30
[ 56.647844][ T568] sanity_check_extent_cache+0x1c5/0x480
[ 56.653494][ T568] f2fs_iget+0x3419/0x4de0
[ 56.657918][ T568] f2fs_lookup+0x3a9/0xab0
[ 56.662340][ T568] ? __cfi_f2fs_lookup+0x10/0x10
[ 56.667375][ T568] ? __cfi_d_alloc_parallel+0x10/0x10
[ 56.672823][ T568] ? __cfi_f2fs_lookup+0x10/0x10
[ 56.677740][ T568] path_openat+0x1006/0x2f80
[ 56.682316][ T568] ? do_filp_open+0x430/0x430
[ 56.686976][ T568] do_filp_open+0x1f1/0x430
[ 56.691508][ T568] ? __cfi_do_filp_open+0x10/0x10
[ 56.696556][ T568] ? alloc_fd+0x4e6/0x590
[ 56.700891][ T568] do_sys_openat2+0x15e/0x810
[ 56.705551][ T568] ? __kasan_check_write+0x14/0x20
[ 56.710651][ T568] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 56.716268][ T568] ? do_sys_open+0xe0/0xe0
[ 56.720667][ T568] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 56.726198][ T568] ? do_user_addr_fault+0x9ac/0x1050
[ 56.731497][ T568] __x64_sys_openat+0x136/0x160
[ 56.736334][ T568] x64_sys_call+0x783/0x9a0
[ 56.740822][ T568] do_syscall_64+0x4c/0xa0
[ 56.745225][ T568] ? clear_bhb_loop+0x30/0x80
[ 56.749906][ T568] ? clear_bhb_loop+0x30/0x80
[ 56.754565][ T568] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 56.760446][ T568] RIP: 0033:0x7fc836399079
[ 56.764851][ T568] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 56.784444][ T568] RSP: 002b:00007fc8372a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 56.792842][ T568] RAX: ffffffffffffffda RBX: 00007fc8365c6080 RCX: 00007fc836399079
[ 56.800809][ T568] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 56.808783][ T568] RBP: 00007fc83642ba4c R08: 0000000000000000 R09: 0000000000000000
[ 56.816761][ T568] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 56.824716][ T568] R13: 0000000000000001 R14: 00007fc8365c6080 R15: 00007ffc50121918
[ 56.832688][ T568]
[ 56.836388][ T563] loop5: detected capacity change from 0 to 131072
[ 56.836687][ T561] F2FS-fs (loop1): Found nat_bits in checkpoint
[ 56.861343][ T563] F2FS-fs (loop5): invalid crc value
[ 56.902548][ T563] F2FS-fs (loop5): Found nat_bits in checkpoint
[ 56.917010][ T561] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[ 56.928422][ T561] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 56.935400][ T561] CPU: 1 PID: 561 Comm: syz.1.29 Tainted: G B syzkaller #0
[ 56.943995][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 56.954063][ T561] Call Trace:
[ 56.957348][ T561]
[ 56.960270][ T561] __dump_stack+0x21/0x24
[ 56.964628][ T561] dump_stack_lvl+0x110/0x170
[ 56.969588][ T561] ? __cfi_dump_stack_lvl+0x8/0x8
[ 56.974638][ T561] ? __kasan_check_write+0x14/0x20
[ 56.979811][ T561] dump_stack+0x15/0x24
[ 56.980407][ T563] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[ 56.984072][ T561] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 56.997125][ T561] f2fs_is_valid_blkaddr+0x23/0x30
[ 57.002347][ T561] sanity_check_extent_cache+0x1c5/0x480
[ 57.007984][ T561] f2fs_iget+0x3419/0x4de0
[ 57.012417][ T561] f2fs_lookup+0x3a9/0xab0
[ 57.016850][ T561] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.021812][ T561] ? __cfi_d_alloc_parallel+0x10/0x10
[ 57.027254][ T561] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 57.032999][ T561] ? downgrade_write+0x370/0x370
[ 57.037275][ T563] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 57.037950][ T561] __lookup_slow+0x2d5/0x410
[ 57.049374][ T561] ? lookup_one_len+0x2e0/0x2e0
[ 57.054273][ T561] ? down_read+0xa6/0xf0
[ 57.058617][ T561] lookup_slow+0x57/0x70
[ 57.062868][ T561] walk_component+0x2f4/0x420
[ 57.067557][ T561] path_lookupat+0x180/0x490
[ 57.072155][ T561] filename_lookup+0x224/0x560
[ 57.076948][ T561] ? __cfi_filename_lookup+0x10/0x10
[ 57.082247][ T561] ? strncpy_from_user+0x17a/0x2d0
[ 57.087417][ T561] user_path_at_empty+0x47/0x1c0
[ 57.092360][ T561] do_sys_truncate+0xb6/0x1c0
[ 57.097097][ T561] ? __cfi_do_sys_truncate+0x10/0x10
[ 57.102388][ T561] ? fpregs_restore_userregs+0x128/0x260
[ 57.108029][ T561] __x64_sys_truncate+0x5b/0x70
[ 57.112876][ T561] x64_sys_call+0x679/0x9a0
[ 57.117370][ T561] do_syscall_64+0x4c/0xa0
[ 57.121791][ T561] ? clear_bhb_loop+0x30/0x80
[ 57.126478][ T561] ? clear_bhb_loop+0x30/0x80
[ 57.131148][ T561] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.137039][ T561] RIP: 0033:0x7f308b999079
[ 57.141490][ T561] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 57.161274][ T561] RSP: 002b:00007f308c7d1028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 57.169701][ T561] RAX: ffffffffffffffda RBX: 00007f308bbc5fa0 RCX: 00007f308b999079
[ 57.177767][ T561] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 57.185743][ T561] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 57.193719][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 57.201697][ T561] R13: 0000000000000000 R14: 00007f308bbc5fa0 R15: 00007ffe601a1cd8
[ 57.209669][ T561]
[ 57.213402][ T561] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 57.213920][ T563] CPU: 0 PID: 563 Comm: syz.5.30 Tainted: G B syzkaller #0
[ 57.227096][ T580] F2FS-fs (loop1): access invalid blkaddr:2147563524
[ 57.234932][ T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 57.234949][ T563] Call Trace:
[ 57.234956][ T563]
[ 57.234962][ T563] __dump_stack+0x21/0x24
[ 57.257304][ T568] F2FS-fs (loop2): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 57.258363][ T563] dump_stack_lvl+0x110/0x170
[ 57.280338][ T563] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.285375][ T563] ? __kasan_check_write+0x14/0x20
[ 57.290494][ T563] dump_stack+0x15/0x24
[ 57.294663][ T563] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 57.300296][ T563] f2fs_is_valid_blkaddr+0x23/0x30
[ 57.305402][ T563] sanity_check_extent_cache+0x1c5/0x480
[ 57.311073][ T563] f2fs_iget+0x3419/0x4de0
[ 57.315586][ T563] f2fs_lookup+0x3a9/0xab0
[ 57.319999][ T563] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.324955][ T563] ? __cfi_d_alloc_parallel+0x10/0x10
[ 57.330322][ T563] ? __cfi_lockref_get_not_dead+0x10/0x10
[ 57.336035][ T563] ? downgrade_write+0x370/0x370
[ 57.340966][ T563] __lookup_slow+0x2d5/0x410
[ 57.345546][ T563] ? lookup_one_len+0x2e0/0x2e0
[ 57.350384][ T563] ? down_read+0xa6/0xf0
[ 57.354621][ T563] lookup_slow+0x57/0x70
[ 57.358945][ T563] walk_component+0x2f4/0x420
[ 57.363640][ T563] path_lookupat+0x180/0x490
[ 57.368226][ T563] filename_lookup+0x224/0x560
[ 57.372988][ T563] ? __cfi_filename_lookup+0x10/0x10
[ 57.378272][ T563] ? strncpy_from_user+0x17a/0x2d0
[ 57.383384][ T563] user_path_at_empty+0x47/0x1c0
[ 57.388317][ T563] do_sys_truncate+0xb6/0x1c0
[ 57.393000][ T563] ? __cfi_do_sys_truncate+0x10/0x10
[ 57.398291][ T563] ? fpregs_restore_userregs+0x128/0x260
[ 57.403935][ T563] __x64_sys_truncate+0x5b/0x70
[ 57.408791][ T563] x64_sys_call+0x679/0x9a0
[ 57.413304][ T563] do_syscall_64+0x4c/0xa0
[ 57.417718][ T563] ? clear_bhb_loop+0x30/0x80
[ 57.422397][ T563] ? clear_bhb_loop+0x30/0x80
[ 57.427081][ T563] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.433050][ T563] RIP: 0033:0x7f18b9799079
[ 57.437454][ T563] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 57.457325][ T563] RSP: 002b:00007f18ba528028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 57.465746][ T563] RAX: ffffffffffffffda RBX: 00007f18b99c5fa0 RCX: 00007f18b9799079
[ 57.473907][ T563] RDX: 0000000000000000 RSI: 0000000000001c9e RDI: 0000200000000280
[ 57.481974][ T563] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 57.490042][ T563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 57.498200][ T563] R13: 0000000000000000 R14: 00007f18b99c5fa0 R15: 00007ffc68682398
[ 57.506364][ T563]
[ 57.509693][ T563] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 57.516970][ T580] CPU: 1 PID: 580 Comm: syz.1.29 Tainted: G B syzkaller #0
[ 57.531239][ T580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 57.537865][ T577] F2FS-fs (loop5): access invalid blkaddr:2147563524
[ 57.541386][ T580] Call Trace:
[ 57.551311][ T580]
[ 57.554243][ T580] __dump_stack+0x21/0x24
[ 57.558565][ T580] dump_stack_lvl+0x110/0x170
[ 57.563227][ T580] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.568324][ T580] ? mutex_unlock+0x8f/0x230
[ 57.572898][ T580] ? __kasan_check_write+0x14/0x20
[ 57.577994][ T580] dump_stack+0x15/0x24
[ 57.582142][ T580] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 57.587678][ T580] f2fs_is_valid_blkaddr+0x23/0x30
[ 57.592783][ T580] sanity_check_extent_cache+0x1c5/0x480
[ 57.598404][ T580] f2fs_iget+0x3419/0x4de0
[ 57.602819][ T580] f2fs_lookup+0x3a9/0xab0
[ 57.607215][ T580] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.612133][ T580] ? __cfi_d_alloc_parallel+0x10/0x10
[ 57.617495][ T580] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.622501][ T580] path_openat+0x1006/0x2f80
[ 57.627123][ T580] ? do_filp_open+0x430/0x430
[ 57.631785][ T580] do_filp_open+0x1f1/0x430
[ 57.636270][ T580] ? __cfi_do_filp_open+0x10/0x10
[ 57.641278][ T580] ? alloc_fd+0x4e6/0x590
[ 57.645587][ T580] do_sys_openat2+0x15e/0x810
[ 57.650327][ T580] ? __kasan_check_write+0x14/0x20
[ 57.655503][ T580] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 57.661121][ T580] ? do_sys_open+0xe0/0xe0
[ 57.665519][ T580] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 57.671047][ T580] ? do_user_addr_fault+0x9ac/0x1050
[ 57.676315][ T580] __x64_sys_openat+0x136/0x160
[ 57.681149][ T580] x64_sys_call+0x783/0x9a0
[ 57.685654][ T580] do_syscall_64+0x4c/0xa0
[ 57.690077][ T580] ? clear_bhb_loop+0x30/0x80
[ 57.694773][ T580] ? clear_bhb_loop+0x30/0x80
[ 57.699529][ T580] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.705405][ T580] RIP: 0033:0x7f308b999079
[ 57.709805][ T580] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 57.729393][ T580] RSP: 002b:00007f308c7b0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 57.737799][ T580] RAX: ffffffffffffffda RBX: 00007f308bbc6080 RCX: 00007f308b999079
[ 57.745751][ T580] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 57.753704][ T580] RBP: 00007f308ba2ba4c R08: 0000000000000000 R09: 0000000000000000
[ 57.761656][ T580] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 57.769605][ T580] R13: 0000000000000001 R14: 00007f308bbc6080 R15: 00007ffe601a1cd8
[ 57.777559][ T580]
[ 57.795742][ T577] CPU: 0 PID: 577 Comm: syz.5.30 Tainted: G B syzkaller #0
[ 57.804463][ T577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 57.814552][ T577] Call Trace:
[ 57.818011][ T577]
[ 57.820940][ T577] __dump_stack+0x21/0x24
[ 57.825359][ T577] dump_stack_lvl+0x110/0x170
[ 57.830144][ T577] ? __cfi_dump_stack_lvl+0x8/0x8
[ 57.835229][ T577] ? mutex_unlock+0x8f/0x230
[ 57.839936][ T577] ? __kasan_check_write+0x14/0x20
[ 57.845142][ T577] dump_stack+0x15/0x24
[ 57.849334][ T577] __f2fs_is_valid_blkaddr+0xda6/0x1460
[ 57.854904][ T577] f2fs_is_valid_blkaddr+0x23/0x30
[ 57.860022][ T577] sanity_check_extent_cache+0x1c5/0x480
[ 57.865659][ T577] f2fs_iget+0x3419/0x4de0
[ 57.870085][ T577] f2fs_lookup+0x3a9/0xab0
[ 57.874602][ T577] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.879539][ T577] ? __cfi_d_alloc_parallel+0x10/0x10
[ 57.885004][ T577] ? __cfi_f2fs_lookup+0x10/0x10
[ 57.889943][ T577] path_openat+0x1006/0x2f80
[ 57.894547][ T577] ? do_filp_open+0x430/0x430
[ 57.899313][ T577] do_filp_open+0x1f1/0x430
[ 57.903820][ T577] ? __cfi_do_filp_open+0x10/0x10
[ 57.908936][ T577] ? alloc_fd+0x4e6/0x590
[ 57.913366][ T577] do_sys_openat2+0x15e/0x810
[ 57.918141][ T577] ? __kasan_check_write+0x14/0x20
[ 57.923334][ T577] ? __se_sys_rt_sigprocmask+0x22c/0x290
[ 57.928967][ T577] ? do_sys_open+0xe0/0xe0
[ 57.933474][ T577] ? __x64_sys_rt_sigprocmask+0xb0/0xb0
[ 57.939023][ T577] ? do_user_addr_fault+0x9ac/0x1050
[ 57.944305][ T577] __x64_sys_openat+0x136/0x160
[ 57.949332][ T577] x64_sys_call+0x783/0x9a0
[ 57.953923][ T577] do_syscall_64+0x4c/0xa0
[ 57.958344][ T577] ? clear_bhb_loop+0x30/0x80
[ 57.963022][ T577] ? clear_bhb_loop+0x30/0x80
[ 57.967698][ T577] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 57.973713][ T577] RIP: 0033:0x7f18b9799079
[ 57.978233][ T577] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 57.997930][ T577] RSP: 002b:00007f18b95ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 58.006355][ T577] RAX: ffffffffffffffda RBX: 00007f18b99c6080 RCX: 00007f18b9799079
[ 58.014346][ T577] RDX: 0000000000101000 RSI: 0000200000000080 RDI: ffffffffffffff9c
[ 58.022321][ T577] RBP: 00007f18b982ba4c R08: 0000000000000000 R09: 0000000000000000
[ 58.030295][ T577] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
[ 58.038363][ T577] R13: 0000000000000001 R14: 00007f18b99c6080 R15: 00007ffc68682398
[ 58.046367][ T577]
[ 58.057675][ T577] F2FS-fs (loop5): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 58.071934][ T580] F2FS-fs (loop1): sanity_check_extent_cache: inode (ino=8) extent info [14338, 0, 2147549187] is incorrect, run fsck to fix
[ 58.614523][ T579] loop0: detected capacity change from 0 to 131072
[ 58.631456][ T579] F2FS-fs (loop0): invalid crc value
[ 58.654655][ T582] loop6: detected capacity change from 0 to 131072
[ 58.662180][ T579] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 58.701737][ T582] F2FS-fs (loop6): invalid crc value
[ 58.729725][ T582] F2FS-fs (loop6): Found nat_bits in checkpoint
[ 58.757050][ T579] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[ 58.767863][ T579] F2FS-fs (loop0): access invalid blkaddr:2147563524
[ 58.774566][ T579] CPU: 1 PID: 579 Comm: syz.0.31 Tainted: G B syzkaller #0
[ 58.783162][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 58.793312][ T579] Call Trace:
[ 58.796600][ T579]
[ 58.799583][ T579] __dump_stack+0x21/0x24
[ 58.803934][ T579] dump_stack_lvl+0x110/0x170
[ 58.808629][ T579] ? __cfi_dump_stack_lvl+0x8/0x8
[ 58.813647][ T579] ? __kasan_check_write+0x14/0x20
[ 58.818747][ T579] dump_stack+0x15/0x24
[ 58.822896][ T579] __f2fs_is_valid_blkaddr+0xda6/0x1460