Warning: Permanently added '10.128.1.216' (ED25519) to the list of known hosts. 2025/10/26 02:45:55 parsed 1 programs [ 44.240052][ T24] kauditd_printk_skb: 33 callbacks suppressed [ 44.240062][ T24] audit: type=1400 audit(1761446756.570:107): avc: denied { unlink } for pid=424 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 44.284379][ T424] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.824921][ T24] audit: type=1401 audit(1761446757.150:108): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 44.985827][ T24] audit: type=1400 audit(1761446757.320:109): avc: denied { create } for pid=469 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 45.075141][ T467] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.085688][ T467] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.093371][ T467] device bridge_slave_0 entered promiscuous mode [ 45.115990][ T467] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.123152][ T467] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.148672][ T467] device bridge_slave_1 entered promiscuous mode [ 45.224332][ T467] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.231524][ T467] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.239464][ T467] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.246946][ T467] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.268725][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.278715][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.287295][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.306224][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.315400][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.322872][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.331741][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.340709][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.348151][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.357219][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.365698][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.382510][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.392767][ T467] device veth0_vlan entered promiscuous mode [ 45.404215][ T467] device veth1_macvtap entered promiscuous mode [ 45.412198][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.420959][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.430223][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.438104][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.447328][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.457259][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/10/26 02:45:57 executed programs: 0 [ 45.489501][ T24] audit: type=1400 audit(1761446757.820:110): avc: denied { write } for pid=415 comm="syz-execprog" path="pipe:[15678]" dev="pipefs" ino=15678 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 45.539732][ T488] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.547229][ T488] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.554904][ T488] device bridge_slave_0 entered promiscuous mode [ 45.585018][ T488] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.592451][ T488] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.610020][ T488] device bridge_slave_1 entered promiscuous mode [ 45.690869][ T492] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.698617][ T492] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.706427][ T492] device bridge_slave_0 entered promiscuous mode [ 45.713469][ T492] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.720746][ T492] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.728476][ T492] device bridge_slave_1 entered promiscuous mode [ 45.803709][ T496] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.811643][ T496] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.819981][ T496] device bridge_slave_0 entered promiscuous mode [ 45.835787][ T496] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.842823][ T496] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.850408][ T496] device bridge_slave_1 entered promiscuous mode [ 45.862189][ T499] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.869676][ T499] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.877211][ T499] device bridge_slave_0 entered promiscuous mode [ 45.885666][ T499] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.892944][ T499] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.900577][ T499] device bridge_slave_1 entered promiscuous mode [ 45.977144][ T498] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.984184][ T498] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.991736][ T498] device bridge_slave_0 entered promiscuous mode [ 45.999829][ T498] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.007283][ T498] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.014635][ T498] device bridge_slave_1 entered promiscuous mode [ 46.086486][ T496] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.093630][ T496] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.101175][ T496] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.109161][ T496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.119394][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.126750][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.134563][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.142411][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.185571][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.194696][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.203104][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.210491][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.218022][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.226542][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.234407][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.243363][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.252154][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.259642][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.268258][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.276505][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.285245][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.294065][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.302424][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.309553][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.317205][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.325816][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.334071][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.341174][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.348583][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.357068][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.365422][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.373936][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.382238][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.409033][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.416993][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.424631][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.433678][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.443192][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.450992][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.459344][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.468189][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.475702][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.483715][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.491876][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.500164][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.508475][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.515777][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.523427][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.532467][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.539890][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.550674][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.566651][ T492] device veth0_vlan entered promiscuous mode [ 46.575485][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.583853][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.592620][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.600793][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.611919][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.643058][ T499] device veth0_vlan entered promiscuous mode [ 46.650510][ T488] device veth0_vlan entered promiscuous mode [ 46.657680][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.665645][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.674842][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.683900][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.692323][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.700305][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.709142][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.717689][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.725784][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.733886][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.746578][ T496] device veth0_vlan entered promiscuous mode [ 46.765519][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.774305][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.781491][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.789500][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.798131][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.805355][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.813308][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.822059][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.830385][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.839095][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.847145][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.855373][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.867864][ T499] device veth1_macvtap entered promiscuous mode [ 46.877249][ T488] device veth1_macvtap entered promiscuous mode [ 46.886014][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.894767][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.903367][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.911914][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.920684][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.929257][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.937134][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.945790][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.961218][ T498] device veth0_vlan entered promiscuous mode [ 46.968858][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.977791][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.986889][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.995639][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.004090][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.012515][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.020888][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.028947][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.037140][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.044692][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.055626][ T492] device veth1_macvtap entered promiscuous mode [ 47.062849][ T496] device veth1_macvtap entered promiscuous mode [ 47.080957][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.088810][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.097509][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.106370][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.139940][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.148398][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.157074][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.166478][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.190525][ T498] device veth1_macvtap entered promiscuous mode [ 47.200188][ T513] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 47.205629][ T517] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 47.213318][ T24] audit: type=1400 audit(1761446759.540:111): avc: denied { mount } for pid=512 comm="syz.4.21" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.242621][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.251558][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.260147][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.269047][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.275537][ T24] audit: type=1400 audit(1761446759.610:112): avc: denied { write } for pid=512 comm="syz.4.21" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.278051][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.307655][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.316591][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.316829][ T517] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.17: bg 0: block 32: padding at end of block bitmap is not set [ 47.325535][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.340153][ T513] EXT4-fs error (device loop4): ext4_validate_block_bitmap:438: comm syz.4.21: bg 0: block 32: padding at end of block bitmap is not set [ 47.348735][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.363120][ T24] audit: type=1400 audit(1761446759.630:113): avc: denied { add_name } for pid=512 comm="syz.4.21" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.371412][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.400217][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.435267][ T24] audit: type=1400 audit(1761446759.630:114): avc: denied { create } for pid=512 comm="syz.4.21" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.438035][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.481641][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.490844][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.497134][ T24] audit: type=1400 audit(1761446759.640:115): avc: denied { read write } for pid=512 comm="syz.4.21" name="file1" dev="loop4" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 47.499416][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.521939][ T7] ------------[ cut here ]------------ [ 47.530242][ T24] audit: type=1400 audit(1761446759.640:116): avc: denied { open } for pid=512 comm="syz.4.21" path="/0/file1/file1" dev="loop4" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 47.536445][ T7] kernel BUG at fs/ext4/inode.c:2778! [ 47.566349][ T7] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.568784][ T348] ------------[ cut here ]------------ [ 47.572439][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 47.578278][ T348] kernel BUG at fs/ext4/inode.c:2778! [ 47.585341][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 47.585367][ T7] Workqueue: writeback wb_workfn (flush-7:4) [ 47.585386][ T7] RIP: 0010:ext4_writepages+0x2ddb/0x2e00 [ 47.585393][ T7] Code: 28 94 ff 84 db 75 31 e8 53 26 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 35 26 94 ff <0f> 0b e8 2e 26 94 ff e8 75 eb 30 ff eb 98 e8 22 26 94 ff e8 69 eb [ 47.585408][ T7] RSP: 0018:ffffc90000077180 EFLAGS: 00010293 [ 47.640193][ T7] RAX: ffffffff81cf7f6b RBX: 0000008410000000 RCX: ffff8881002493c0 [ 47.648556][ T7] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 47.657213][ T7] RBP: ffffc900000774f0 R08: dffffc0000000000 R09: ffffed1024bd60c8 [ 47.665293][ T7] R10: ffffed1024bd60c8 R11: 1ffff11024bd60c7 R12: dffffc0000000000 [ 47.673741][ T7] R13: ffff88811934c000 R14: 0000008000000000 R15: ffff888125eb0638 [ 47.681907][ T7] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.690886][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.697444][ T7] CR2: 00007fcc2e5c3000 CR3: 0000000111b61000 CR4: 00000000003506b0 [ 47.705656][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.713914][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.722206][ T7] Call Trace: [ 47.725610][ T7] ? netif_rx_internal+0xdb/0x370 [ 47.730917][ T7] ? eth_get_headlen+0x1f0/0x1f0 [ 47.736023][ T7] ? debug_smp_processor_id+0x17/0x20 [ 47.741557][ T7] ? loopback_xmit+0x2f4/0x400 [ 47.746464][ T7] ? dev_hard_start_xmit+0x5fe/0x670 [ 47.751729][ T7] ? ext4_readpage+0x220/0x220 [ 47.756597][ T7] ? __local_bh_enable_ip+0x53/0x80 [ 47.761874][ T7] ? local_bh_enable+0x1f/0x30 [ 47.766695][ T7] ? __dev_queue_xmit+0x15a0/0x2540 [ 47.771962][ T7] ? arch_stack_walk+0x108/0x140 [ 47.776883][ T7] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 47.782582][ T7] ? ext4_readpage+0x220/0x220 [ 47.787418][ T7] do_writepages+0x12a/0x270 [ 47.792005][ T7] ? __writepage+0x130/0x130 [ 47.796948][ T7] ? __kasan_check_write+0x14/0x20 [ 47.802218][ T7] ? _raw_spin_lock+0x8e/0xe0 [ 47.806878][ T7] ? __kasan_check_write+0x14/0x20 [ 47.812054][ T7] ? _raw_spin_lock+0x8e/0xe0 [ 47.817336][ T7] __writeback_single_inode+0xd5/0xa20 [ 47.822992][ T7] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 47.829046][ T7] writeback_sb_inodes+0x860/0x1400 [ 47.834332][ T7] ? queue_io+0x4c0/0x4c0 [ 47.838738][ T7] ? __kasan_check_read+0x11/0x20 [ 47.844016][ T7] ? queue_io+0x385/0x4c0 [ 47.848438][ T7] wb_writeback+0x3e3/0xb90 [ 47.853191][ T7] ? wb_io_lists_depopulated+0x180/0x180 [ 47.859078][ T7] ? set_worker_desc+0x155/0x1c0 [ 47.864072][ T7] ? __kasan_check_write+0x14/0x20 [ 47.869150][ T7] wb_workfn+0x38f/0xe20 [ 47.873363][ T7] ? inode_wait_for_writeback+0x200/0x200 [ 47.879052][ T7] ? _raw_spin_unlock_irq+0x4e/0x70 [ 47.884216][ T7] ? finish_task_switch+0x12e/0x5a0 [ 47.889470][ T7] ? switch_mm_irqs_off+0x763/0x9a0 [ 47.894636][ T7] ? __switch_to_asm+0x34/0x60 [ 47.899730][ T7] ? __schedule+0xb4f/0x1310 [ 47.904302][ T7] ? __kasan_check_read+0x11/0x20 [ 47.909527][ T7] ? read_word_at_a_time+0x12/0x20 [ 47.914811][ T7] ? strscpy+0x9b/0x290 [ 47.919212][ T7] process_one_work+0x6e1/0xba0 [ 47.924551][ T7] worker_thread+0xa6a/0x13b0 [ 47.929400][ T7] kthread+0x346/0x3d0 [ 47.933553][ T7] ? worker_clr_flags+0x190/0x190 [ 47.938865][ T7] ? kthread_blkcg+0xd0/0xd0 [ 47.943829][ T7] ret_from_fork+0x1f/0x30 [ 47.948302][ T7] Modules linked in: [ 47.952567][ T348] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 47.955133][ T7] ---[ end trace 4737c1bf82a7e7c4 ]--- [ 47.958640][ T348] CPU: 1 PID: 348 Comm: kworker/u4:4 Tainted: G D syzkaller #0 [ 47.965202][ T7] RIP: 0010:ext4_writepages+0x2ddb/0x2e00 [ 47.974030][ T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 47.980067][ T7] Code: 28 94 ff 84 db 75 31 e8 53 26 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 35 26 94 ff <0f> 0b e8 2e 26 94 ff e8 75 eb 30 ff eb 98 e8 22 26 94 ff e8 69 eb [ 47.989857][ T348] Workqueue: writeback wb_workfn (flush-7:6) [ 47.989874][ T348] RIP: 0010:ext4_writepages+0x2ddb/0x2e00 [ 47.989888][ T348] Code: 28 94 ff 84 db 75 31 e8 53 26 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 35 26 94 ff <0f> 0b e8 2e 26 94 ff e8 75 eb 30 ff eb 98 e8 22 26 94 ff e8 69 eb [ 48.012493][ T7] RSP: 0018:ffffc90000077180 EFLAGS: 00010293 [ 48.016230][ T348] RSP: 0018:ffffc90008df7180 EFLAGS: 00010293 [ 48.016240][ T348] RAX: ffffffff81cf7f6b RBX: 0000008410000000 RCX: ffff88810cb30000 [ 48.016245][ T348] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 48.016251][ T348] RBP: ffffc90008df74f0 R08: dffffc0000000000 R09: ffffed1024bd6a61 [ 48.016257][ T348] R10: ffffed1024bd6a61 R11: 1ffff11024bd6a60 R12: dffffc0000000000 [ 48.016270][ T348] R13: ffff88811966f000 R14: 0000008000000000 R15: ffff888125eb5300 [ 48.022887][ T7] [ 48.042454][ T348] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.042461][ T348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.042466][ T348] CR2: 000000c006b25000 CR3: 0000000128b7f000 CR4: 00000000003506a0 [ 48.042474][ T348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.042479][ T348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.042482][ T348] Call Trace: [ 48.042500][ T348] ? update_load_avg+0xdf5/0x14f0 [ 48.042516][ T348] ? ext4_readpage+0x220/0x220 [ 48.048973][ T7] RAX: ffffffff81cf7f6b RBX: 0000008410000000 RCX: ffff8881002493c0 [ 48.054745][ T348] ? enqueue_task_fair+0xac3/0x2250 [ 48.062966][ T7] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 48.070927][ T348] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 48.070936][ T348] ? ext4_readpage+0x220/0x220 [ 48.070945][ T348] do_writepages+0x12a/0x270 [ 48.070953][ T348] ? __writepage+0x130/0x130 [ 48.070964][ T348] ? __kasan_check_write+0x14/0x20 [ 48.070973][ T348] ? _raw_spin_lock+0x8e/0xe0 [ 48.070980][ T348] ? __kasan_check_write+0x14/0x20 [ 48.070995][ T348] ? _raw_spin_lock+0x8e/0xe0 [ 48.079362][ T7] RBP: ffffc900000774f0 R08: dffffc0000000000 R09: ffffed1024bd60c8 [ 48.087101][ T348] __writeback_single_inode+0xd5/0xa20 [ 48.087111][ T348] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 48.087119][ T348] writeback_sb_inodes+0x860/0x1400 [ 48.087135][ T348] ? __kasan_check_write+0x14/0x20 [ 48.095634][ T7] R10: ffffed1024bd60c8 R11: 1ffff11024bd60c7 R12: dffffc0000000000 [ 48.097657][ T348] ? queue_io+0x4c0/0x4c0 [ 48.107160][ T7] R13: ffff88811934c000 R14: 0000008000000000 R15: ffff888125eb0638 [ 48.113886][ T348] ? __kasan_check_read+0x11/0x20 [ 48.122689][ T7] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.130058][ T348] ? queue_io+0x385/0x4c0 [ 48.130066][ T348] wb_writeback+0x3e3/0xb90 [ 48.130076][ T348] ? wb_io_lists_depopulated+0x180/0x180 [ 48.130095][ T348] ? set_worker_desc+0x155/0x1c0 [ 48.138410][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.141399][ T348] ? __kasan_check_write+0x14/0x20 [ 48.146662][ T7] CR2: 00007fcc2e5c3000 CR3: 000000010d109000 CR4: 00000000003506b0 [ 48.151221][ T348] wb_workfn+0x38f/0xe20 [ 48.151232][ T348] ? inode_wait_for_writeback+0x200/0x200 [ 48.151247][ T348] ? _raw_spin_unlock_irq+0x4e/0x70 [ 48.159427][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.164449][ T348] ? finish_task_switch+0x12e/0x5a0 [ 48.173871][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.178139][ T348] ? switch_mm_irqs_off+0x763/0x9a0 [ 48.178148][ T348] ? __switch_to_asm+0x34/0x60 [ 48.178157][ T348] ? __schedule+0xb4f/0x1310 [ 48.178175][ T348] ? __kasan_check_read+0x11/0x20 [ 48.183319][ T7] Kernel panic - not syncing: Fatal exception [ 48.187501][ T348] ? read_word_at_a_time+0x12/0x20 [ 48.385721][ T348] ? strscpy+0x9b/0x290 [ 48.390067][ T348] process_one_work+0x6e1/0xba0 [ 48.395004][ T348] worker_thread+0xa6a/0x13b0 [ 48.399677][ T348] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 48.405153][ T348] ? __kasan_check_read+0x11/0x20 [ 48.410244][ T348] kthread+0x346/0x3d0 [ 48.414378][ T348] ? worker_clr_flags+0x190/0x190 [ 48.419842][ T348] ? kthread_blkcg+0xd0/0xd0 [ 48.424682][ T348] ret_from_fork+0x1f/0x30 [ 48.429246][ T348] Modules linked in: [ 48.433203][ T7] Kernel Offset: disabled [ 48.437654][ T7] Rebooting in 86400 seconds..