Warning: Permanently added '10.128.1.197' (ED25519) to the list of known hosts. 2026/03/02 04:41:18 parsed 1 programs [ 44.021901][ T24] kauditd_printk_skb: 31 callbacks suppressed [ 44.021912][ T24] audit: type=1400 audit(1772426479.430:105): avc: denied { unlink } for pid=416 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" [ 44.095844][ T416] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.696876][ T24] audit: type=1400 audit(1772426480.100:106): avc: denied { create } for pid=434 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 44.741251][ T426] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.748402][ T426] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.757888][ T426] device bridge_slave_0 entered promiscuous mode [ 44.766345][ T426] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.780011][ T426] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.787537][ T426] device bridge_slave_1 entered promiscuous mode [ 44.999526][ T426] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.006781][ T426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.014180][ T426] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.021251][ T426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.158486][ T24] audit: type=1401 audit(1772426480.560:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 45.183963][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.195578][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.221040][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.232919][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.267361][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.275921][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.284230][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.292054][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.299544][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.307900][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.314975][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.322687][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.331082][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.338380][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.345761][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.353780][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.361926][ T426] device veth0_vlan entered promiscuous mode [ 45.418100][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.438865][ T426] device veth1_macvtap entered promiscuous mode [ 45.461927][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.478549][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/02 04:41:21 executed programs: 0 [ 45.625351][ T24] audit: type=1400 audit(1772426481.030:108): avc: denied { write } for pid=408 comm="syz-execprog" path="pipe:[15287]" dev="pipefs" ino=15287 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 45.708967][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.716204][ T482] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.723931][ T482] device bridge_slave_0 entered promiscuous mode [ 45.730779][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.737991][ T482] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.745367][ T482] device bridge_slave_1 entered promiscuous mode [ 45.815592][ T487] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.822705][ T487] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.830301][ T487] device bridge_slave_0 entered promiscuous mode [ 45.838370][ T487] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.845539][ T487] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.853231][ T487] device bridge_slave_1 entered promiscuous mode [ 45.890652][ T491] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.897879][ T491] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.905860][ T491] device bridge_slave_0 entered promiscuous mode [ 45.938631][ T491] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.945842][ T491] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.953437][ T491] device bridge_slave_1 entered promiscuous mode [ 45.983032][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.990286][ T486] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.997956][ T486] device bridge_slave_0 entered promiscuous mode [ 46.012745][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.019819][ T486] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.027227][ T486] device bridge_slave_1 entered promiscuous mode [ 46.068892][ T492] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.076187][ T492] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.083679][ T492] device bridge_slave_0 entered promiscuous mode [ 46.112856][ T492] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.119910][ T492] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.127374][ T492] device bridge_slave_1 entered promiscuous mode [ 46.139268][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.147063][ T482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.154349][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.161382][ T482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.218008][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.225622][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.233148][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.282888][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.291518][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.298665][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.307096][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.315341][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.322380][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.330123][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.340797][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.364979][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.384944][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.392478][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.400654][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.407798][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.415560][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.424357][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.431425][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.439076][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.447316][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.454408][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.482439][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.490235][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.498855][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.507643][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.515095][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.523035][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.530626][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.539058][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.547389][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.554634][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.562191][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.570612][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.577752][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.585224][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.593238][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.601621][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.608638][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.616377][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.629093][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.651392][ T482] device veth0_vlan entered promiscuous mode [ 46.672522][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.680233][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.689349][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.698938][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.719791][ T491] device veth0_vlan entered promiscuous mode [ 46.730338][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.738461][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.746631][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.755494][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.763832][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.770857][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.778397][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.786552][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.793581][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.801061][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.809004][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.817041][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.825421][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.833799][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.841783][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.849992][ T482] device veth1_macvtap entered promiscuous mode [ 46.862182][ T491] device veth1_macvtap entered promiscuous mode [ 46.871736][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.879682][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.887555][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.895303][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.903216][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.911093][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.919386][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.927686][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.935304][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.943858][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.952166][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.959771][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.967956][ T486] device veth0_vlan entered promiscuous mode [ 46.984501][ T487] device veth0_vlan entered promiscuous mode [ 46.997584][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.006789][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.015551][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.024454][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.033068][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.041626][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.049889][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.057927][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.066535][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.074084][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.083874][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.092240][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.103325][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.111653][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.126721][ T492] device veth0_vlan entered promiscuous mode [ 47.136471][ T487] device veth1_macvtap entered promiscuous mode [ 47.143616][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.151301][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.159605][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.168379][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.176669][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.185001][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.193419][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.201790][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.209471][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.221035][ T486] device veth1_macvtap entered promiscuous mode [ 47.249339][ T492] device veth1_macvtap entered promiscuous mode [ 47.263813][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.273518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.282322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.290522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.299163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.300057][ T507] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 47.308293][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.317918][ T24] audit: type=1400 audit(1772426482.730:109): avc: denied { mount } for pid=506 comm="syz.5.20" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.351230][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.359459][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.367923][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.376849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.407844][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.419494][ T512] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 47.427980][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.440062][ T507] EXT4-fs error (device loop5): ext4_validate_block_bitmap:438: comm syz.5.20: bg 0: block 32: padding at end of block bitmap is not set [ 47.441316][ T24] audit: type=1400 audit(1772426482.850:110): avc: denied { write } for pid=506 comm="syz.5.20" name="/" dev="loop5" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.458264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.477769][ T24] audit: type=1400 audit(1772426482.850:111): avc: denied { add_name } for pid=506 comm="syz.5.20" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.521285][ T24] audit: type=1400 audit(1772426482.850:112): avc: denied { create } for pid=506 comm="syz.5.20" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.544788][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.545642][ T519] EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue [ 47.563179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.572396][ T517] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 47.580496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.591201][ T24] audit: type=1400 audit(1772426482.850:113): avc: denied { read write } for pid=506 comm="syz.5.20" name="file1" dev="loop5" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 47.611947][ T512] EXT4-fs error (device loop0): ext4_validate_block_bitmap:438: comm syz.0.17: bg 0: block 32: padding at end of block bitmap is not set [ 47.614207][ T24] audit: type=1400 audit(1772426482.850:114): avc: denied { open } for pid=506 comm="syz.5.20" path="/0/file1/file1" dev="loop5" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 47.667178][ T519] EXT4-fs error (device loop6): ext4_validate_block_bitmap:438: comm syz.6.18: bg 0: block 32: padding at end of block bitmap is not set [ 47.694736][ T517] EXT4-fs error (device loop2): ext4_validate_block_bitmap:438: comm syz.2.19: bg 0: block 32: padding at end of block bitmap is not set [ 47.719873][ T7] ------------[ cut here ]------------ [ 47.751016][ T7] kernel BUG at fs/ext4/inode.c:2778! [ 47.764718][ T7] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.770823][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 47.778113][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 47.788191][ T7] Workqueue: writeback wb_workfn (flush-7:0) [ 47.794296][ T7] RIP: 0010:ext4_writepages+0x2e8c/0x2eb0 [ 47.800116][ T7] Code: 00 00 00 e8 b6 d8 92 ff 84 db 75 2c e8 1d d6 92 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 7c 24 18 e9 cb d4 ff ff e8 04 d6 92 ff <0f> 0b e8 fd d5 92 ff e8 54 8d 2e ff eb 9d e8 f1 d5 92 ff e8 48 8d [ 47.819908][ T7] RSP: 0018:ffffc90000077180 EFLAGS: 00010293 [ 47.826052][ T7] RAX: ffffffff81d1e04c RBX: 0000008410000000 RCX: ffff88810024cf00 [ 47.834160][ T7] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 47.842382][ T7] RBP: ffffc900000774f0 R08: ffff88813083708f R09: 1ffff11026106e11 [ 47.850350][ T7] R10: dffffc0000000000 R11: ffffed1026106e12 R12: dffffc0000000000 [ 47.858497][ T7] R13: 0000000000000001 R14: 0000008000000000 R15: 1ffff9200000ee5c [ 47.866472][ T7] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 47.875675][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.882253][ T7] CR2: 00007f638e44f000 CR3: 0000000119e3b000 CR4: 00000000003506a0 [ 47.890284][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.898582][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.906801][ T7] Call Trace: [ 47.910089][ T7] ? dev_hard_start_xmit+0x5fe/0x670 [ 47.915366][ T7] ? local_bh_enable+0x1f/0x30 [ 47.920338][ T7] ? __dev_queue_xmit+0x159e/0x2590 [ 47.925988][ T7] ? ext4_readpage+0x220/0x220 [ 47.930751][ T7] ? dev_queue_xmit+0x20/0x20 [ 47.935752][ T7] ? __rt6_find_exception_rcu+0x27c/0x370 [ 47.941464][ T7] ? __kasan_check_read+0x11/0x20 [ 47.946488][ T7] ? selinux_ip_postroute+0x2b9/0xe90 [ 47.951950][ T7] ? ip6_finish_output2+0xccc/0x1560 [ 47.957327][ T7] ? __local_bh_enable_ip+0x53/0x80 [ 47.962610][ T7] ? ext4_readpage+0x220/0x220 [ 47.967467][ T7] do_writepages+0x128/0x280 [ 47.972066][ T7] ? __writepage+0x130/0x130 [ 47.976636][ T7] ? __kasan_check_write+0x14/0x20 [ 47.981730][ T7] ? __kasan_check_write+0x14/0x20 [ 47.986824][ T7] ? _raw_spin_lock+0x94/0xf0 [ 47.991507][ T7] __writeback_single_inode+0xd5/0xa20 [ 47.997323][ T7] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 48.003297][ T7] writeback_sb_inodes+0x8ca/0x1480 [ 48.008478][ T7] ? queue_io+0x4c0/0x4c0 [ 48.012823][ T7] ? __kasan_check_read+0x11/0x20 [ 48.017872][ T7] ? queue_io+0x385/0x4c0 [ 48.022502][ T7] wb_writeback+0x403/0xbe0 [ 48.027007][ T7] ? wb_io_lists_depopulated+0x180/0x180 [ 48.032734][ T7] ? set_worker_desc+0x1ba/0x1f0 [ 48.037672][ T7] ? __kasan_check_write+0x14/0x20 [ 48.042853][ T7] wb_workfn+0x3ac/0xf30 [ 48.047081][ T7] ? inode_wait_for_writeback+0x220/0x220 [ 48.052814][ T7] ? __kasan_check_read+0x11/0x20 [ 48.057823][ T7] ? ttwu_do_wakeup+0xf6/0x3c0 [ 48.062583][ T7] ? ttwu_do_activate+0x1e2/0x2b0 [ 48.067674][ T7] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 48.073541][ T7] ? try_to_wake_up+0x616/0xd70 [ 48.078374][ T7] ? __kasan_check_read+0x11/0x20 [ 48.083392][ T7] process_one_work+0x6e1/0xba0 [ 48.088246][ T7] worker_thread+0xa6a/0x13c0 [ 48.092921][ T7] kthread+0x346/0x3d0 [ 48.097174][ T7] ? worker_clr_flags+0x190/0x190 [ 48.102398][ T7] ? kthread_blkcg+0xd0/0xd0 [ 48.106992][ T7] ret_from_fork+0x1f/0x30 [ 48.111413][ T7] Modules linked in: [ 48.121607][ T7] ---[ end trace 0c6f42bc28252e28 ]--- [ 48.127113][ T7] RIP: 0010:ext4_writepages+0x2e8c/0x2eb0 [ 48.132894][ T7] Code: 00 00 00 e8 b6 d8 92 ff 84 db 75 2c e8 1d d6 92 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 7c 24 18 e9 cb d4 ff ff e8 04 d6 92 ff <0f> 0b e8 fd d5 92 ff e8 54 8d 2e ff eb 9d e8 f1 d5 92 ff e8 48 8d [ 48.153954][ T9] ------------[ cut here ]------------ [ 48.159447][ T9] kernel BUG at fs/ext4/inode.c:2778! [ 48.160636][ T7] RSP: 0018:ffffc90000077180 EFLAGS: 00010293 [ 48.165334][ T9] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 48.165347][ T9] CPU: 0 PID: 9 Comm: kworker/u4:1 Tainted: G D syzkaller #0 [ 48.165352][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 48.165368][ T9] Workqueue: writeback wb_workfn (flush-7:6) [ 48.171853][ T7] [ 48.177550][ T9] RIP: 0010:ext4_writepages+0x2e8c/0x2eb0 [ 48.186333][ T7] RAX: ffffffff81d1e04c RBX: 0000008410000000 RCX: ffff88810024cf00 [ 48.196416][ T9] Code: 00 00 00 e8 b6 d8 92 ff 84 db 75 2c e8 1d d6 92 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 7c 24 18 e9 cb d4 ff ff e8 04 d6 92 ff <0f> 0b e8 fd d5 92 ff e8 54 8d 2e ff eb 9d e8 f1 d5 92 ff e8 48 8d [ 48.196424][ T9] RSP: 0018:ffffc90000097180 EFLAGS: 00010293 [ 48.196441][ T9] RAX: ffffffff81d1e04c RBX: 0000008410000000 RCX: ffff8881002493c0 [ 48.202517][ T7] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 48.204817][ T9] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 48.210526][ T7] RBP: ffffc900000774f0 R08: ffff88813083708f R09: 1ffff11026106e11 [ 48.218478][ T9] RBP: ffffc900000974f0 R08: ffff888126bb3b67 R09: 1ffff11024d7676c [ 48.218485][ T9] R10: dffffc0000000000 R11: ffffed1024d7676d R12: dffffc0000000000 [ 48.218491][ T9] R13: 0000000000000001 R14: 0000008000000000 R15: 1ffff92000012e5c [ 48.218499][ T9] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.218519][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.238555][ T7] R10: dffffc0000000000 R11: ffffed1026106e12 R12: dffffc0000000000 [ 48.244459][ T9] CR2: 00007f6396974580 CR3: 00000001272cf000 CR4: 00000000003506b0 [ 48.244470][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.244476][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.244479][ T9] Call Trace: [ 48.244502][ T9] ? __kasan_check_write+0x14/0x20 [ 48.252715][ T7] R13: 0000000000000001 R14: 0000008000000000 R15: 1ffff9200000ee5c [ 48.260931][ T9] ? __find_get_block+0xe96/0xfb0 [ 48.269220][ T7] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 48.277218][ T9] ? write_boundary_block+0x150/0x150 [ 48.277229][ T9] ? ext4_readpage+0x220/0x220 [ 48.277238][ T9] ? __getblk_gfp+0x3b/0x780 [ 48.277249][ T9] ? __local_bh_enable_ip+0x53/0x80 [ 48.277259][ T9] ? local_bh_enable+0x1f/0x30 [ 48.277268][ T9] ? __dev_queue_xmit+0x159e/0x2590 [ 48.277281][ T9] ? ext4_readpage+0x220/0x220 [ 48.277298][ T9] do_writepages+0x128/0x280 [ 48.419860][ T9] ? __writepage+0x130/0x130 [ 48.424442][ T9] ? __kasan_check_write+0x14/0x20 [ 48.429542][ T9] ? __kasan_check_write+0x14/0x20 [ 48.434667][ T9] ? _raw_spin_lock+0x94/0xf0 [ 48.439332][ T9] __writeback_single_inode+0xd5/0xa20 [ 48.444872][ T9] ? wbc_attach_and_unlock_inode+0x171/0x590 [ 48.450838][ T9] writeback_sb_inodes+0x8ca/0x1480 [ 48.456024][ T9] ? queue_io+0x4c0/0x4c0 [ 48.460346][ T9] ? __kasan_check_read+0x11/0x20 [ 48.465372][ T9] ? queue_io+0x385/0x4c0 [ 48.469690][ T9] wb_writeback+0x403/0xbe0 [ 48.474294][ T9] ? wb_io_lists_depopulated+0x180/0x180 [ 48.479917][ T9] ? set_worker_desc+0x1ba/0x1f0 [ 48.484841][ T9] ? update_load_avg+0x4dc/0x14f0 [ 48.489883][ T9] ? __kasan_check_write+0x14/0x20 [ 48.495205][ T9] wb_workfn+0x3ac/0xf30 [ 48.499539][ T9] ? inode_wait_for_writeback+0x220/0x220 [ 48.505250][ T9] ? _raw_spin_unlock_irq+0x4e/0x70 [ 48.510437][ T9] ? finish_task_switch+0x12e/0x5a0 [ 48.515623][ T9] ? switch_mm_irqs_off+0x34d/0x990 [ 48.520813][ T9] ? __switch_to_asm+0x34/0x60 [ 48.525568][ T9] ? __kasan_check_read+0x11/0x20 [ 48.530761][ T9] ? read_word_at_a_time+0x12/0x20 [ 48.535870][ T9] ? strscpy+0x9b/0x290 [ 48.540025][ T9] process_one_work+0x6e1/0xba0 [ 48.544865][ T9] worker_thread+0xa6a/0x13c0 [ 48.549532][ T9] kthread+0x346/0x3d0 [ 48.553587][ T9] ? worker_clr_flags+0x190/0x190 [ 48.558769][ T9] ? kthread_blkcg+0xd0/0xd0 [ 48.563346][ T9] ret_from_fork+0x1f/0x30 [ 48.567751][ T9] Modules linked in: [ 48.582289][ T9] ---[ end trace 0c6f42bc28252e29 ]--- [ 48.586745][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.588019][ T9] RIP: 0010:ext4_writepages+0x2e8c/0x2eb0 [ 48.595238][ T7] CR2: 00007f638e44f000 CR3: 000000000640f000 CR4: 00000000003506a0 [ 48.608783][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.631397][ T9] Code: 00 00 00 e8 b6 d8 92 ff 84 db 75 2c e8 1d d6 92 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 7c 24 18 e9 cb d4 ff ff e8 04 d6 92 ff <0f> 0b e8 fd d5 92 ff e8 54 8d 2e ff eb 9d e8 f1 d5 92 ff e8 48 8d [ 48.653553][ T9] RSP: 0018:ffffc90000077180 EFLAGS: 00010293 [ 48.659662][ T9] RAX: ffffffff81d1e04c RBX: 0000008410000000 RCX: ffff88810024cf00 [ 48.667551][ T534] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 48.667785][ T9] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 48.677131][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.693643][ T9] RBP: ffffc900000774f0 R08: ffff88813083708f R09: 1ffff11026106e11 [ 48.711645][ T9] R10: dffffc0000000000 R11: ffffed1026106e12 R12: dffffc0000000000 [ 48.719992][ T9] R13: 0000000000000001 R14: 0000008000000000 R15: 1ffff9200000ee5c [ 48.729206][ T9] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.731942][ T543] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 48.739547][ T542] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 48.751522][ T7] Kernel panic - not syncing: Fatal exception [ 48.762511][ T7] Kernel Offset: disabled [ 48.766843][ T7] Rebooting in 86400 seconds..