Warning: Permanently added '10.128.1.227' (ED25519) to the list of known hosts. 2026/02/19 00:21:20 parsed 1 programs [ 25.044505][ T28] audit: type=1400 audit(1771460480.758:64): avc: denied { node_bind } for pid=284 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.065277][ T28] audit: type=1400 audit(1771460480.758:65): avc: denied { module_request } for pid=284 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 25.767375][ T28] audit: type=1400 audit(1771460481.478:66): avc: denied { mounton } for pid=290 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.768313][ T290] cgroup: Unknown subsys name 'net' [ 25.790107][ T28] audit: type=1400 audit(1771460481.478:67): avc: denied { mount } for pid=290 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.817352][ T28] audit: type=1400 audit(1771460481.508:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.817517][ T290] cgroup: Unknown subsys name 'devices' [ 25.962078][ T290] cgroup: Unknown subsys name 'hugetlb' [ 25.967677][ T290] cgroup: Unknown subsys name 'rlimit' [ 26.075667][ T28] audit: type=1400 audit(1771460481.788:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.098881][ T28] audit: type=1400 audit(1771460481.788:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.107129][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.119266][ T28] audit: type=1400 audit(1771460481.788:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.148054][ T28] audit: type=1400 audit(1771460481.788:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 26.168373][ T28] audit: type=1400 audit(1771460481.788:73): avc: denied { mounton } for pid=290 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 26.212866][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.863185][ T296] request_module fs-gadgetfs succeeded, but still no fs? [ 27.194698][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.202095][ T319] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.209466][ T319] device bridge_slave_0 entered promiscuous mode [ 27.216427][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.223473][ T319] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.230907][ T319] device bridge_slave_1 entered promiscuous mode [ 27.268265][ T319] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.275309][ T319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.282588][ T319] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.289600][ T319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.306445][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.313794][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.321312][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.328706][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.338102][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.346351][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.353392][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.361851][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.369990][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.377033][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.388172][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.398197][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.410494][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.421918][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.429941][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.437634][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.446932][ T319] device veth0_vlan entered promiscuous mode [ 27.456860][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.466062][ T319] device veth1_macvtap entered promiscuous mode [ 27.475161][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.484780][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/19 00:21:23 executed programs: 0 [ 27.887963][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.895032][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.902701][ T364] device bridge_slave_0 entered promiscuous mode [ 27.912200][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.919210][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.926613][ T364] device bridge_slave_1 entered promiscuous mode [ 27.962527][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.969556][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.976827][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.983882][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.003798][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.011357][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.018612][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.027718][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.036120][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.043159][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.054238][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.062455][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.069472][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.081036][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.090438][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.105491][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.116455][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.124611][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.132146][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.139995][ T364] device veth0_vlan entered promiscuous mode [ 28.149356][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.158497][ T364] device veth1_macvtap entered promiscuous mode [ 28.169748][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.179484][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.203440][ T375] loop2: detected capacity change from 0 to 512 [ 28.212254][ T375] EXT4-fs: Ignoring removed nobh option [ 28.223426][ T375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 28.234934][ T375] ================================================================================ [ 28.244674][ T375] UBSAN: shift-out-of-bounds in fs/ext4/super.c:4345:27 [ 28.251821][ T375] shift exponent 2786239568 is too large for 32-bit type 'int' [ 28.259418][ T375] CPU: 1 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 [ 28.266512][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 28.276654][ T375] Call Trace: [ 28.279915][ T375] [ 28.282823][ T375] __dump_stack+0x21/0x24 [ 28.287133][ T375] dump_stack_lvl+0x110/0x170 [ 28.291789][ T375] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.296798][ T375] dump_stack+0x15/0x24 [ 28.300931][ T375] ubsan_epilogue+0xe/0x40 [ 28.305329][ T375] __ubsan_handle_shift_out_of_bounds+0x37c/0x400 [ 28.311720][ T375] ? make_kgid+0x1c4/0x660 [ 28.316115][ T375] ext4_handle_clustersize+0x4b3/0x5c0 [ 28.321552][ T375] ? ext4_max_bitmap_size+0x194/0x210 [ 28.326916][ T375] ext4_fill_super+0x3fa3/0x7a40 [ 28.331830][ T375] ? __cfi_ext4_fill_super+0x10/0x10 [ 28.337119][ T375] ? set_blocksize+0x1d0/0x470 [ 28.341948][ T375] ? sb_set_blocksize+0xaa/0xf0 [ 28.346784][ T375] get_tree_bdev+0x447/0x690 [ 28.351375][ T375] ? __cfi_ext4_fill_super+0x10/0x10 [ 28.356637][ T375] ext4_get_tree+0x1c/0x20 [ 28.361030][ T375] vfs_get_tree+0x9a/0x270 [ 28.365438][ T375] do_new_mount+0x25a/0xa20 [ 28.369925][ T375] path_mount+0x659/0xfc0 [ 28.374239][ T375] ? user_path_at_empty+0x161/0x1c0 [ 28.379416][ T375] __se_sys_mount+0x320/0x390 [ 28.384074][ T375] ? __x64_sys_mount+0xd0/0xd0 [ 28.388822][ T375] ? do_user_addr_fault+0x9ac/0x1050 [ 28.394092][ T375] __x64_sys_mount+0xbf/0xd0 [ 28.398674][ T375] x64_sys_call+0x65d/0x9a0 [ 28.403154][ T375] do_syscall_64+0x4c/0xa0 [ 28.407569][ T375] ? clear_bhb_loop+0x30/0x80 [ 28.412223][ T375] ? clear_bhb_loop+0x30/0x80 [ 28.416875][ T375] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.422751][ T375] RIP: 0033:0x7ff61fd9d8ca [ 28.427147][ T375] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 28.446901][ T375] RSP: 002b:00007ff620cbbe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 28.455305][ T375] RAX: ffffffffffffffda RBX: 00007ff620cbbee0 RCX: 00007ff61fd9d8ca [ 28.463260][ T375] RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007ff620cbbea0 [ 28.471208][ T375] RBP: 0000200000000040 R08: 00007ff620cbbee0 R09: 0000000000010000 [ 28.479157][ T375] R10: 0000000000010000 R11: 0000000000000246 R12: 0000200000000000 [ 28.487111][ T375] R13: 00007ff620cbbea0 R14: 00000000000004cd R15: 0000200000000140 [ 28.495082][ T375] [ 28.499254][ T375] ================================================================================ [ 28.509301][ T375] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024) [ 28.830862][ T432] loop2: detected capacity change from 0 to 512 [ 28.845792][ T435] loop2: detected capacity change from 0 to 512 [ 28.853560][ T436] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 28.879829][ T438] loop2: detected capacity change from 0 to 512 [ 28.927330][ T444] loop2: detected capacity change from 0 to 512 [ 28.952989][ T450] loop2: detected capacity change from 0 to 512 [ 29.051155][ T468] loop2: detected capacity change from 0 to 512 [ 29.193191][ T492] loop2: detected capacity change from 0 to 512 [ 29.240475][ T501] loop2: detected capacity change from 0 to 512 [ 29.247359][ T501] ext4: Unknown parameter './bus' [ 29.254034][ T8] device bridge_slave_1 left promiscuous mode [ 29.261993][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.270553][ T8] device bridge_slave_0 left promiscuous mode [ 29.276852][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.290731][ T8] device veth1_macvtap left promiscuous mode [ 29.295119][ T507] loop2: detected capacity change from 0 to 512 [ 29.297062][ T8] device veth0_vlan left promiscuous mode [ 29.304569][ T507] ext4: Unknown parameter './bus' [ 29.333366][ T510] ext4: Unknown parameter './bus' [ 29.367528][ T516] EXT4-fs: Ignoring removed nobh option [ 29.386322][ T516] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 29.433516][ T525] ext4: Unknown parameter './bus' [ 29.471646][ T531] ext4: Unknown parameter './bus' [ 29.522245][ T540] ext4: Unknown parameter './bus' [ 29.577213][ T552] ext4: Unknown parameter './bus' [ 29.677734][ T570] ext4: Unknown parameter './bus' [ 29.783067][ T588] ext4: Unknown parameter './bus' [ 30.983159][ T804] ext4: Unknown parameter './bus' [ 31.440791][ T882] EXT4-fs: Ignoring removed nobh option [ 31.447602][ T882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 31.461033][ T882] EXT4-fs error (device loop2): ext4_read_inode_bitmap:140: comm syz.2.186: Invalid inode bitmap blk 4 in block_group 0 [ 31.473833][ T882] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 31.482438][ T28] kauditd_printk_skb: 34 callbacks suppressed [ 31.482451][ T28] audit: type=1400 audit(1771460487.198:108): avc: denied { mount } for pid=881 comm="syz.2.186" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 31.510570][ T364] EXT4-fs (loop2): unmounting filesystem. [ 31.598792][ T905] EXT4-fs: Ignoring removed nobh option [ 31.604996][ T905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 31.618394][ T905] EXT4-fs error (device loop2): ext4_orphan_get:1399: inode #15: comm syz.2.193: iget: bad i_size value: 38620345925642 [ 31.631271][ T905] EXT4-fs error (device loop2): ext4_orphan_get:1404: comm syz.2.193: couldn't read orphan inode 15 (err -117) [ 31.643396][ T905] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 31.655842][ T364] EXT4-fs (loop2): unmounting filesystem. 2026/02/19 00:21:28 executed programs: 248 [ 33.472682][ T1233] set_capacity_and_notify: 22 callbacks suppressed [ 33.472697][ T1233] loop2: detected capacity change from 0 to 512 [ 33.521282][ T1242] loop2: detected capacity change from 0 to 512 [ 33.527856][ T1242] ext4: Unknown parameter './bus' [ 34.888158][ T1488] loop2: detected capacity change from 0 to 512 [ 34.888466][ T1487] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2 [ 35.283230][ T1557] loop2: detected capacity change from 0 to 512 [ 36.232209][ T1728] loop2: detected capacity change from 0 to 512 [ 36.583343][ T1791] loop2: detected capacity change from 0 to 512 [ 36.630623][ T1800] loop2: detected capacity change from 0 to 512 [ 36.646460][ T1803] loop2: detected capacity change from 0 to 512 [ 36.653313][ T1803] ext4: Unknown parameter './bus' [ 37.231454][ T1908] loop2: detected capacity change from 0 to 512 [ 37.246929][ T1911] loop2: detected capacity change from 0 to 512 2026/02/19 00:21:33 executed programs: 548 [ 37.938036][ T2037] EXT4-fs: Ignoring removed nobh option [ 37.946273][ T2037] EXT4-fs (loop2): VFS: Can't find ext4 filesystem