[ 24.003298][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.013583][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.070201][ T295] syz-executor.2 (295) used greatest stack depth: 21920 bytes left [ 24.617478][ T43] device bridge_slave_1 left promiscuous mode [ 24.623648][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.631217][ T43] device bridge_slave_0 left promiscuous mode [ 24.637521][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.645426][ T43] device veth1_macvtap left promiscuous mode [ 24.651644][ T43] device veth0_vlan left promiscuous mode [ 35.310275][ T313] sftp-server (313) used greatest stack depth: 21248 bytes left Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. 2026/02/01 16:39:45 ignoring optional flag "type"="gce" 2026/02/01 16:39:45 parsed 1 programs 2026/02/01 16:39:45 executed programs: 0 [ 41.834314][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.841431][ T339] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.848957][ T339] device bridge_slave_0 entered promiscuous mode [ 41.856005][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.863205][ T339] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.870789][ T339] device bridge_slave_1 entered promiscuous mode [ 41.975643][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.982734][ T347] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.990263][ T347] device bridge_slave_0 entered promiscuous mode [ 41.997219][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.004267][ T345] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.011953][ T345] device bridge_slave_0 entered promiscuous mode [ 42.032504][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.039592][ T347] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.047150][ T347] device bridge_slave_1 entered promiscuous mode [ 42.053742][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.060922][ T345] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.068387][ T345] device bridge_slave_1 entered promiscuous mode [ 42.106147][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.113317][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.120804][ T348] device bridge_slave_0 entered promiscuous mode [ 42.141277][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.148372][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.155861][ T346] device bridge_slave_0 entered promiscuous mode [ 42.162984][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.170066][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.177617][ T348] device bridge_slave_1 entered promiscuous mode [ 42.198499][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.205575][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.213088][ T346] device bridge_slave_1 entered promiscuous mode [ 42.250944][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.258062][ T349] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.265441][ T349] device bridge_slave_0 entered promiscuous mode [ 42.288137][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.295210][ T349] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.302757][ T349] device bridge_slave_1 entered promiscuous mode [ 42.471908][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.479022][ T339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.486318][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.493505][ T339] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.528450][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.535519][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.543175][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.550226][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.582667][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.589787][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.597096][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.604128][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.646849][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.655501][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.665175][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.673096][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.681716][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.689132][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.696325][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.704391][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.711875][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.725085][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.744883][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.753296][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.760402][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.769688][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.778120][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.785256][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.839601][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.847911][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.855874][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.864483][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.872687][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.881065][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.888142][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.895518][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.920753][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.928353][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.935778][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.944366][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.952785][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.959912][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.967571][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.975914][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.984402][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.991492][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.999490][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.007107][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.014531][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.022980][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.031228][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.038418][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.046114][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.054882][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.063259][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.070374][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.078290][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.086018][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.116989][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.124988][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.132538][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.140338][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.150041][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.158299][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.165327][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.172848][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.181310][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.189760][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.196818][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.204329][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.212401][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.220379][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.228501][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.252973][ T349] device veth0_vlan entered promiscuous mode [ 43.261033][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.269676][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.278314][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.285697][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.293600][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.302336][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.310948][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.318683][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.326147][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.346131][ T346] device veth0_vlan entered promiscuous mode [ 43.356964][ T348] device veth0_vlan entered promiscuous mode [ 43.367185][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.375917][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.384801][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.393818][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.401608][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.409638][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.417703][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.432356][ T339] device veth0_vlan entered promiscuous mode [ 43.441915][ T347] device veth0_vlan entered promiscuous mode [ 43.449460][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.457991][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.466444][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.475143][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.483577][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.492056][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.500342][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.508018][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.515479][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.523485][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.532086][ T346] device veth1_macvtap entered promiscuous mode [ 43.545832][ T349] device veth1_macvtap entered promiscuous mode [ 43.563128][ T347] device veth1_macvtap entered promiscuous mode [ 43.573639][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.582427][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.591129][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.612531][ T348] device veth1_macvtap entered promiscuous mode [ 43.621629][ T345] device veth0_vlan entered promiscuous mode [ 43.635750][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.644177][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.652081][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.660715][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.668399][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.677136][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.685470][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.693912][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.702586][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.711138][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.719725][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.728223][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.736557][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.745235][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.753688][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.762458][ T309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.779055][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.787472][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.810960][ T339] device veth1_macvtap entered promiscuous mode [ 43.818839][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.827825][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.836041][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.844642][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.853022][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.881847][ T345] device veth1_macvtap entered promiscuous mode [ 43.903337][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.936942][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.969034][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.987760][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.010419][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.034186][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.068176][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.086184][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.372129][ T414] loop2: detected capacity change from 0 to 40427 [ 44.380497][ T413] loop5: detected capacity change from 0 to 40427 [ 44.389133][ T409] loop4: detected capacity change from 0 to 40427 [ 44.397279][ T28] kauditd_printk_skb: 14 callbacks suppressed [ 44.397294][ T28] audit: type=1400 audit(1769963988.719:88): avc: denied { mounton } for pid=412 comm="syz-executor.2" path="/root/syzkaller-testdir1394987987/syzkaller.Nv8gCZ/0/file0" dev="sda1" ino=2069 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 44.445329][ T413] F2FS-fs (loop5): Found nat_bits in checkpoint [ 44.470723][ T409] F2FS-fs (loop4): Found nat_bits in checkpoint [ 44.483825][ T414] F2FS-fs (loop2): Found nat_bits in checkpoint [ 44.515233][ T416] loop0: detected capacity change from 0 to 40427 [ 44.591816][ T416] F2FS-fs (loop0): Found nat_bits in checkpoint [ 44.608787][ T413] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 [ 44.623204][ T28] audit: type=1400 audit(1769963988.949:89): avc: denied { mount } for pid=411 comm="syz-executor.5" name="/" dev="loop5" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 44.624236][ T414] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5 [ 44.656800][ T409] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5 [ 44.680319][ T413] F2FS-fs (loop5): Unrecognized mount option "'-%xý ёC!dy:b㥒Bݲh+L/_:ϰpI[QPҿ;(X2\+V2 NIFAM.IJZu |ok [ 44.921941][ T414] __dump_stack+0x21/0x24 [ 44.970480][ T414] dump_stack_lvl+0x110/0x170 [ 44.975216][ T414] ? __cfi_dump_stack_lvl+0x8/0x8 [ 44.979269][ T28] audit: type=1400 audit(1769963989.009:94): avc: denied { remount } for pid=411 comm="syz-executor.5" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 44.980364][ T414] ? _raw_write_lock+0x87/0xf0 [ 45.004688][ T414] ? _raw_write_lock+0x87/0xf0 [ 45.009491][ T414] print_report+0x3d/0x60 [ 45.013865][ T414] kasan_report+0x122/0x150 [ 45.018412][ T414] ? _raw_write_lock+0x87/0xf0 [ 45.023223][ T414] ? __f2fs_ioc_move_range+0xd00/0xd00 [ 45.028724][ T414] kasan_check_range+0x249/0x2a0 [ 45.033714][ T414] __kasan_check_write+0x14/0x20 [ 45.038685][ T414] _raw_write_lock+0x87/0xf0 [ 45.043309][ T414] ? __cfi__raw_write_lock+0x10/0x10 [ 45.048635][ T414] ? down_read_trylock+0x27f/0x660 [ 45.049613][ T28] audit: type=1400 audit(1769963989.089:95): avc: denied { unmount } for pid=346 comm="syz-executor.5" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 45.053783][ T414] __drop_extent_tree+0x44b/0x6e0 [ 45.053817][ T414] f2fs_drop_extent_tree+0x17/0x30 [ 45.083673][ T414] f2fs_insert_range+0x49f/0x5a0 [ 45.088659][ T414] ? f2fs_zero_range+0x15f0/0x15f0 [ 45.093888][ T414] ? file_modified+0x20/0x20 [ 45.098565][ T414] f2fs_fallocate+0x498/0x720 [ 45.103278][ T414] vfs_fallocate+0x4c5/0x5a0 [ 45.107901][ T414] __x64_sys_fallocate+0xc0/0x110 [ 45.112952][ T414] x64_sys_call+0x7fa/0x9a0 [ 45.117480][ T414] do_syscall_64+0x4c/0xa0 [ 45.121935][ T414] ? clear_bhb_loop+0x30/0x80 [ 45.126640][ T414] ? clear_bhb_loop+0x30/0x80 [ 45.131343][ T414] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 45.137283][ T414] RIP: 0033:0x7f3167e6cfb9 [ 45.141734][ T414] Code: 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 d0 ff ff ff f7 d8 64 89 01 48 [ 45.161459][ T414] RSP: 002b:00007f3168ccd0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 45.170100][ T414] RAX: ffffffffffffffda RBX: 00007f3167fabf80 RCX: 00007f3167e6cfb9 [ 45.178118][ T414] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005 [ 45.186293][ T414] RBP: 00007f3167ee2b38 R08: 0000000000000000 R09: 0000000000000000 [ 45.194386][ T414] R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000 [ 45.202425][ T414] R13: 000000000000000b R14: 00007f3167fabf80 R15: 00007ffff6431bb8 [ 45.210425][ T414] [ 45.213465][ T414] ================================================================== [ 45.222498][ T414] Disabling lock debugging due to kernel taint [ 45.228945][ T414] BUG: kernel NULL pointer dereference, address: 0000000000000030 [ 45.233197][ T28] audit: type=1400 audit(1769963989.569:96): 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 [ 45.236814][ T414] #PF: supervisor write access in kernel mode [ 45.236825][ T414] #PF: error_code(0x0002) - not-present page [ 45.236846][ T414] PGD 1274c3067 P4D 1274c3067 PUD 1274c7067 PMD 0 [ 45.236880][ T414] Oops: 0002 [#1] PREEMPT SMP KASAN [ 45.236897][ T414] CPU: 1 PID: 414 Comm: syz-executor.2 Tainted: G B syzkaller #0 [ 45.291867][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 45.302042][ T414] RIP: 0010:_raw_write_lock+0x9d/0xf0 [ 45.307462][ T414] Code: 44 24 20 00 00 00 00 48 89 df be 04 00 00 00 e8 a9 3e b6 fc 4c 89 f7 be 04 00 00 00 e8 9c 3e b6 fc 8b 44 24 20 b9 ff 00 00 00 0f b1 0b 75 33 43 c6 44 27 04 f8 48 c7 04 24 0e 36 e0 45 4b c7 [ 45.327102][ T414] RSP: 0018:ffffc900018e7be0 EFLAGS: 00010297 [ 45.333191][ T414] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 00000000000000ff [ 45.341173][ T414] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900018e7c00 [ 45.349158][ T414] RBP: ffffc900018e7c60 R08: 0000000000000003 R09: 0000000000000004 [ 45.357147][ T414] R10: dffffc0000000000 R11: fffff5200031cf80 R12: dffffc0000000000 [ 45.365159][ T414] R13: 1ffff110248d3dd3 R14: ffffc900018e7c00 R15: 1ffff9200031cf7c [ 45.373141][ T414] FS: 00007f3168ccd6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.382086][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.388679][ T414] CR2: 0000000000000030 CR3: 00000001274b5000 CR4: 00000000003506a0 [ 45.396687][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.404675][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.412667][ T414] Call Trace: [ 45.415971][ T414] [ 45.418918][ T414] ? __cfi__raw_write_lock+0x10/0x10 [ 45.424243][ T414] ? down_read_trylock+0x27f/0x660 [ 45.429391][ T414] __drop_extent_tree+0x44b/0x6e0 [ 45.434449][ T414] f2fs_drop_extent_tree+0x17/0x30 [ 45.439697][ T414] f2fs_insert_range+0x49f/0x5a0 [ 45.444678][ T414] ? f2fs_zero_range+0x15f0/0x15f0 [ 45.449813][ T414] ? file_modified+0x20/0x20 [ 45.454561][ T414] f2fs_fallocate+0x498/0x720 [ 45.459297][ T414] vfs_fallocate+0x4c5/0x5a0 [ 45.463908][ T414] __x64_sys_fallocate+0xc0/0x110 [ 45.468954][ T414] x64_sys_call+0x7fa/0x9a0 [ 45.473475][ T414] do_syscall_64+0x4c/0xa0 [ 45.477918][ T414] ? clear_bhb_loop+0x30/0x80 [ 45.482606][ T414] ? clear_bhb_loop+0x30/0x80 [ 45.487386][ T414] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 45.493302][ T414] RIP: 0033:0x7f3167e6cfb9 [ 45.497756][ T414] Code: 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 d0 ff ff ff f7 d8 64 89 01 48 [ 45.517377][ T414] RSP: 002b:00007f3168ccd0b8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 45.525801][ T414] RAX: ffffffffffffffda RBX: 00007f3167fabf80 RCX: 00007f3167e6cfb9 [ 45.533875][ T414] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005 [ 45.541883][ T414] RBP: 00007f3167ee2b38 R08: 0000000000000000 R09: 0000000000000000 [ 45.549882][ T414] R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000 [ 45.557996][ T414] R13: 000000000000000b R14: 00007f3167fabf80 R15: 00007ffff6431bb8 [ 45.565996][ T414] [ 45.569028][ T414] Modules linked in: [ 45.572973][ T414] CR2: 0000000000000030 [ 45.577252][ T414] ---[ end trace 0000000000000000 ]--- [ 45.582719][ T414] RIP: 0010:_raw_write_lock+0x9d/0xf0 [ 45.588120][ T414] Code: 44 24 20 00 00 00 00 48 89 df be 04 00 00 00 e8 a9 3e b6 fc 4c 89 f7 be 04 00 00 00 e8 9c 3e b6 fc 8b 44 24 20 b9 ff 00 00 00 0f b1 0b 75 33 43 c6 44 27 04 f8 48 c7 04 24 0e 36 e0 45 4b c7 [ 45.607911][ T414] RSP: 0018:ffffc900018e7be0 EFLAGS: 00010297 [ 45.614034][ T414] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 00000000000000ff [ 45.622024][ T414] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900018e7c00 [ 45.630418][ T414] RBP: ffffc900018e7c60 R08: 0000000000000003 R09: 0000000000000004 [ 45.638411][ T414] R10: dffffc0000000000 R11: fffff5200031cf80 R12: dffffc0000000000 [ 45.646478][ T414] R13: 1ffff110248d3dd3 R14: ffffc900018e7c00 R15: 1ffff9200031cf7c [ 45.654487][ T414] FS: 00007f3168ccd6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.663428][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.670049][ T414] CR2: 0000000000000030 CR3: 00000001274b5000 CR4: 00000000003506a0 [ 45.678035][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.686363][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.694385][ T414] Kernel panic - not syncing: Fatal exception [ 45.701004][ T414] Kernel Offset: disabled [ 45.705333][ T414] Rebooting in 86400 seconds..