Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts.
2026/08/18 17:14:57 parsed 1 programs
Setting up swapspace version 1, size = 127995904 bytes
[ 33.284978][ T30] kauditd_printk_skb: 31 callbacks suppressed
[ 33.284995][ T30] audit: type=1400 audit(1787073297.849:105): avc: denied { unlink } for pid=410 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
[ 33.359978][ T410] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 34.078578][ T30] audit: type=1401 audit(1787073298.639:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
[ 34.151764][ T444] bridge0: port 1(bridge_slave_0) entered blocking state
[ 34.159111][ T444] bridge0: port 1(bridge_slave_0) entered disabled state
[ 34.166827][ T444] device bridge_slave_0 entered promiscuous mode
[ 34.174599][ T444] bridge0: port 2(bridge_slave_1) entered blocking state
[ 34.181608][ T444] bridge0: port 2(bridge_slave_1) entered disabled state
[ 34.189042][ T444] device bridge_slave_1 entered promiscuous mode
[ 34.221217][ T444] bridge0: port 2(bridge_slave_1) entered blocking state
[ 34.228280][ T444] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 34.235561][ T444] bridge0: port 1(bridge_slave_0) entered blocking state
[ 34.242694][ T444] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 34.258724][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 34.266325][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 34.273462][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 34.283731][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 34.292061][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 34.299104][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 34.306693][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 34.315012][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 34.322026][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 34.338303][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 34.346244][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 34.358777][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 34.369693][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 34.377691][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 34.385359][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 34.393362][ T444] device veth0_vlan entered promiscuous mode
[ 34.402516][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 34.412206][ T444] device veth1_macvtap entered promiscuous mode
[ 34.421639][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 34.431293][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2026/08/18 17:14:59 executed programs: 0
[ 34.955570][ T474] bridge0: port 1(bridge_slave_0) entered blocking state
[ 34.962608][ T474] bridge0: port 1(bridge_slave_0) entered disabled state
[ 34.970084][ T474] device bridge_slave_0 entered promiscuous mode
[ 34.977088][ T474] bridge0: port 2(bridge_slave_1) entered blocking state
[ 34.984114][ T474] bridge0: port 2(bridge_slave_1) entered disabled state
[ 34.991559][ T474] device bridge_slave_1 entered promiscuous mode
[ 35.042843][ T474] bridge0: port 2(bridge_slave_1) entered blocking state
[ 35.049919][ T474] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 35.057195][ T474] bridge0: port 1(bridge_slave_0) entered blocking state
[ 35.064211][ T474] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 35.085136][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 35.092656][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 35.100384][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 35.123306][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 35.131577][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 35.138619][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 35.146035][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 35.154230][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 35.161269][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 35.168669][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 35.176646][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 35.192973][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 35.201343][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 35.218792][ T474] device veth0_vlan entered promiscuous mode
[ 35.225208][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 35.233018][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 35.241098][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 35.248562][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 35.258907][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 35.267152][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 35.279928][ T474] device veth1_macvtap entered promiscuous mode
[ 35.288737][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 35.296361][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 35.305015][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 35.314057][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 35.322324][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 35.349293][ T30] audit: type=1400 audit(1787073299.909:107): avc: denied { mounton } for pid=478 comm="syz.2.17" path="/0/bus" dev="tmpfs" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1
[ 35.371425][ T479] loop2: detected capacity change from 0 to 512
[ 35.381984][ T30] audit: type=1400 audit(1787073299.939:108): avc: denied { map } for pid=478 comm="syz.2.17" path="/0/bus" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 35.426073][ T30] audit: type=1400 audit(1787073299.989:109): avc: denied { unmount } for pid=474 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1
[ 35.450728][ T482] loop2: detected capacity change from 0 to 512
[ 35.458682][ T482] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 35.495832][ T485] loop2: detected capacity change from 0 to 512
[ 35.535603][ T488] loop2: detected capacity change from 0 to 512
[ 35.535946][ T487] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0
[ 35.585891][ T494] loop2: detected capacity change from 0 to 512
[ 35.635752][ T45] device bridge_slave_1 left promiscuous mode
[ 35.641923][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 35.649483][ T497] loop2: detected capacity change from 0 to 512
[ 35.656023][ T45] device bridge_slave_0 left promiscuous mode
[ 35.662210][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 35.670106][ T45] device veth1_macvtap left promiscuous mode
[ 35.676150][ T45] device veth0_vlan left promiscuous mode
[ 35.714921][ T500] loop2: detected capacity change from 0 to 512
[ 35.755925][ T506] loop2: detected capacity change from 0 to 512
[ 35.837514][ T512] loop2: detected capacity change from 0 to 512
[ 35.912438][ T515] loop2: detected capacity change from 0 to 512
[ 36.045903][ T524] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.245146][ T542] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.297385][ T545] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.505449][ T572] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.644322][ T587] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.937230][ T632] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 36.966662][ T635] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 37.044976][ T644] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 37.257146][ T677] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[ 37.330397][ T683] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 37.426958][ T698] EXT4-fs (loop2): Ignoring removed nobh option
[ 37.433274][ T698] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 37.451279][ T698] EXT4-fs error (device loop2): ext4_orphan_get:1406: inode #15: comm syz.2.90: iget: bad i_size value: 38620345925642
[ 37.464283][ T698] EXT4-fs error (device loop2): ext4_orphan_get:1411: comm syz.2.90: couldn't read orphan inode 15 (err -117)
[ 37.476463][ T698] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: none.
[ 37.494440][ T30] audit: type=1400 audit(1787073302.049:110): avc: denied { mount } for pid=697 comm="syz.2.90" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 38.088237][ T775] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 38.138516][ T778] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 38.328557][ T799] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 38.496332][ T808] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 38.895092][ T838] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 39.106100][ T857] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 39.222121][ T860] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 39.266483][ T864] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 39.375143][ T870] EXT4-fs (loop2): Ignoring removed nobh option
[ 39.381533][ T870] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 39.394132][ T870] ================================================================================
[ 39.403770][ T870] UBSAN: shift-out-of-bounds in fs/ext4/super.c:4452:27
[ 39.411014][ T870] shift exponent 2786239568 is too large for 32-bit type 'int'
[ 39.418922][ T870] CPU: 0 PID: 870 Comm: syz.2.146 Not tainted syzkaller #0
[ 39.426132][ T870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 39.436297][ T870] Call Trace:
[ 39.439571][ T870]
[ 39.442659][ T870] __dump_stack+0x21/0x30
[ 39.447094][ T870] dump_stack_lvl+0x110/0x170
[ 39.451754][ T870] ? show_regs_print_info+0x20/0x20
[ 39.457211][ T870] dump_stack+0x15/0x20
[ 39.461355][ T870] ubsan_epilogue+0xe/0x40
[ 39.465751][ T870] __ubsan_handle_shift_out_of_bounds+0x364/0x3f0
[ 39.472167][ T870] ext4_fill_super+0x6a7b/0x8bf0
[ 39.477121][ T870] ? ext4_mount+0x40/0x40
[ 39.481468][ T870] ? set_blocksize+0x1e9/0x360
[ 39.486215][ T870] ? sb_set_blocksize+0xaa/0xf0
[ 39.491046][ T870] ? ext4_mount+0x40/0x40
[ 39.495368][ T870] mount_bdev+0x28d/0x3c0
[ 39.499682][ T870] ? ext4_mount+0x40/0x40
[ 39.504014][ T870] ext4_mount+0x34/0x40
[ 39.508177][ T870] legacy_get_tree+0xed/0x190
[ 39.512840][ T870] ? ext4_errno_to_code+0x160/0x160
[ 39.518043][ T870] vfs_get_tree+0x89/0x260
[ 39.522450][ T870] do_new_mount+0x251/0xb40
[ 39.526938][ T870] ? security_capable+0x87/0xb0
[ 39.531773][ T870] path_mount+0x640/0xff0
[ 39.536087][ T870] __se_sys_mount+0x320/0x390
[ 39.540749][ T870] ? __x64_sys_mount+0xd0/0xd0
[ 39.545496][ T870] __x64_sys_mount+0xbf/0xd0
[ 39.550074][ T870] x64_sys_call+0x6bf/0x9a0
[ 39.554564][ T870] do_syscall_64+0x4c/0xa0
[ 39.558964][ T870] ? clear_bhb_loop+0x50/0xa0
[ 39.563711][ T870] ? clear_bhb_loop+0x50/0xa0
[ 39.568369][ T870] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 39.574426][ T870] RIP: 0033:0x7fe5a666a20a
[ 39.578937][ T870] 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
[ 39.598626][ T870] RSP: 002b:00007fe5a64cbe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 39.607064][ T870] RAX: ffffffffffffffda RBX: 00007fe5a64cbee0 RCX: 00007fe5a666a20a
[ 39.615210][ T870] RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007fe5a64cbea0
[ 39.623180][ T870] RBP: 0000200000000040 R08: 00007fe5a64cbee0 R09: 0000000000010000
[ 39.631159][ T870] R10: 0000000000010000 R11: 0000000000000246 R12: 0000200000000000
[ 39.639230][ T870] R13: 00007fe5a64cbea0 R14: 00000000000004cd R15: 0000200000000140
[ 39.647304][ T870]
[ 39.650766][ T870] ================================================================================
[ 39.660993][ T870] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024)
2026/08/18 17:15:04 executed programs: 140
[ 39.877986][ T894] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 40.048634][ T913] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 40.206973][ T934] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 40.236154][ T937] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 40.406554][ T961] set_capacity_and_notify: 47 callbacks suppressed
[ 40.406569][ T961] loop2: detected capacity change from 0 to 512
[ 40.465697][ T964] loop2: detected capacity change from 0 to 512
[ 40.466102][ T963] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 26 prio class 0
[ 40.516055][ T967] loop2: detected capacity change from 0 to 512
[ 40.516405][ T966] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 29 prio class 0
[ 40.565484][ T970] loop2: detected capacity change from 0 to 512
[ 40.913138][ T1024] loop2: detected capacity change from 0 to 512
[ 40.922098][ T1024] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[ 41.031501][ T1039] loop2: detected capacity change from 0 to 512
[ 41.125397][ T1054] loop2: detected capacity change from 0 to 512
[ 41.185260][ T1054] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 41.245944][ T1058] loop2: detected capacity change from 0 to 512
[ 41.285606][ T1061] loop2: detected capacity change from 0 to 512
[ 41.405282][ T1064] loop2: detected capacity change from 0 to 512
[ 41.413285][ T1064] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 41.661073][ T1089] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 41.706382][ T1092] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 41.833790][ T1110] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 41.911673][ T1116] EXT4-fs (loop2): Ignoring removed nobh option
[ 41.918263][ T1116] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 41.931851][ T1116] EXT4-fs error (device loop2): __ext4_get_inode_loc:4365: comm syz.2.227: Invalid inode table block 5 in block_group 0
[ 41.944876][ T1116] EXT4-fs (loop2): get root inode failed
[ 41.950791][ T1116] EXT4-fs (loop2): mount failed
[ 42.075459][ T1126] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 42.165968][ T1132] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 42.286046][ T1150] EXT4-fs (loop2): Ignoring removed nobh option
[ 42.292387][ T1150] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 42.305028][ T1150] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024)
[ 42.446648][ T1165] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 42.727769][ T1189] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 42.855538][ T1199] EXT4-fs (loop2): Ignoring removed nobh option
[ 42.861935][ T1199] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 42.876497][ T1199] EXT4-fs error (device loop2): ext4_read_inode_bitmap:140: comm syz.2.254: Invalid inode bitmap blk 4 in block_group 0
[ 42.889594][ T1199] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: none.
[ 43.446910][ T1283] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 43.607682][ T1298] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 43.636239][ T1301] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 43.782227][ T1313] EXT4-fs (loop2): Ignoring removed nobh option
[ 43.788686][ T1313] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 43.802529][ T1313] EXT4-fs error (device loop2): ext4_orphan_get:1406: inode #15: comm syz.2.291: iget: bad i_size value: 38620345925642
[ 43.815457][ T1313] EXT4-fs error (device loop2): ext4_orphan_get:1411: comm syz.2.291: couldn't read orphan inode 15 (err -117)
[ 43.829243][ T1313] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: writeback.
[ 44.049810][ T1332] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 44.417912][ T1377] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
2026/08/18 17:15:09 executed programs: 325
[ 45.187085][ T1503] EXT4-fs (loop2): Ignoring removed nobh option
[ 45.193402][ T1503] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 45.205431][ T1503] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024)
[ 45.526739][ T1551] set_capacity_and_notify: 33 callbacks suppressed
[ 45.526751][ T1551] loop2: detected capacity change from 0 to 512
[ 45.543687][ T1551] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 45.583030][ T1554] loop2: detected capacity change from 0 to 512
[ 45.645075][ T1554] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 45.695350][ T1558] loop2: detected capacity change from 0 to 512
[ 45.695745][ T1557] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 0
[ 45.755893][ T1561] loop2: detected capacity change from 0 to 512
[ 45.930906][ T1585] loop2: detected capacity change from 0 to 512
[ 46.139542][ T1618] loop2: detected capacity change from 0 to 512
[ 46.185547][ T1621] loop2: detected capacity change from 0 to 512
[ 46.185933][ T1620] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0
[ 46.255632][ T1624] loop2: detected capacity change from 0 to 512
[ 46.317014][ T1627] loop2: detected capacity change from 0 to 512
[ 46.385646][ T1636] loop2: detected capacity change from 0 to 512
[ 46.535559][ T1648] EXT4-fs (loop2): Ignoring removed nobh option
[ 46.541870][ T1648] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 46.555848][ T1648] EXT4-fs error (device loop2): ext4_orphan_get:1406: inode #15: comm syz.2.402: iget: bad i_size value: 38620345925642
[ 46.568897][ T1648] EXT4-fs error (device loop2): ext4_orphan_get:1411: comm syz.2.402: couldn't read orphan inode 15 (err -117)
[ 46.581080][ T1648] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: none.
[ 46.770869][ T1668] EXT4-fs (loop2): Ignoring removed nobh option
[ 46.777771][ T1668] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 46.791846][ T1668] EXT4-fs error (device loop2): ext4_orphan_get:1406: inode #15: comm syz.2.408: iget: bad i_size value: 38620345925642
[ 46.807252][ T1668] EXT4-fs error (device loop2): ext4_orphan_get:1411: comm syz.2.408: couldn't read orphan inode 15 (err -117)
[ 46.819830][ T1668] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: none.
[ 46.858519][ T1672] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[ 46.888394][ T1675] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 47.215476][ T1708] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 47.656974][ T1777] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 47.857869][ T1798] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 48.027886][ T1816] EXT4-fs (loop2): Ignoring removed nobh option
[ 48.034215][ T1816] ================================================================================
[ 48.043708][ T1816] UBSAN: shift-out-of-bounds in fs/ext4/super.c:2491:15
[ 48.050697][ T1816] shift exponent 224813234 is too large for 32-bit type 'int'
[ 48.058163][ T1816] CPU: 0 PID: 1816 Comm: syz.2.457 Not tainted syzkaller #0
[ 48.065527][ T1816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 48.075590][ T1816] Call Trace:
[ 48.078863][ T1816]
[ 48.081810][ T1816] __dump_stack+0x21/0x30
[ 48.086137][ T1816] dump_stack_lvl+0x110/0x170
[ 48.090814][ T1816] ? show_regs_print_info+0x20/0x20
[ 48.096016][ T1816] dump_stack+0x15/0x20
[ 48.100171][ T1816] ubsan_epilogue+0xe/0x40
[ 48.104574][ T1816] __ubsan_handle_shift_out_of_bounds+0x364/0x3f0
[ 48.111004][ T1816] parse_options+0x23f3/0x2470
[ 48.115758][ T1816] ? ext4_superblock_csum_verify+0x3d0/0x3d0
[ 48.121842][ T1816] ? ext4_chksum+0x11e/0x1a0
[ 48.126420][ T1816] ? make_kgid+0x1c4/0x650
[ 48.130825][ T1816] ? ext4_has_metadata_csum+0x138/0x1d0
[ 48.136352][ T1816] ext4_fill_super+0x1d32/0x8bf0
[ 48.141294][ T1816] ? ext4_mount+0x40/0x40
[ 48.145612][ T1816] ? set_blocksize+0x1e9/0x360
[ 48.150364][ T1816] ? sb_set_blocksize+0xaa/0xf0
[ 48.155197][ T1816] ? ext4_mount+0x40/0x40
[ 48.159511][ T1816] mount_bdev+0x28d/0x3c0
[ 48.163824][ T1816] ? ext4_mount+0x40/0x40
[ 48.168146][ T1816] ext4_mount+0x34/0x40
[ 48.172285][ T1816] legacy_get_tree+0xed/0x190
[ 48.176945][ T1816] ? ext4_errno_to_code+0x160/0x160
[ 48.182225][ T1816] vfs_get_tree+0x89/0x260
[ 48.186733][ T1816] do_new_mount+0x251/0xb40
[ 48.191220][ T1816] ? security_capable+0x87/0xb0
[ 48.196067][ T1816] path_mount+0x640/0xff0
[ 48.200393][ T1816] __se_sys_mount+0x320/0x390
[ 48.205146][ T1816] ? __x64_sys_mount+0xd0/0xd0
[ 48.209892][ T1816] __x64_sys_mount+0xbf/0xd0
[ 48.214458][ T1816] x64_sys_call+0x6bf/0x9a0
[ 48.218951][ T1816] do_syscall_64+0x4c/0xa0
[ 48.223351][ T1816] ? clear_bhb_loop+0x50/0xa0
[ 48.228014][ T1816] ? clear_bhb_loop+0x50/0xa0
[ 48.232672][ T1816] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 48.238543][ T1816] RIP: 0033:0x7fe5a666a20a
[ 48.242942][ T1816] 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
[ 48.262551][ T1816] RSP: 002b:00007fe5a64cbe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 48.270953][ T1816] RAX: ffffffffffffffda RBX: 00007fe5a64cbee0 RCX: 00007fe5a666a20a
[ 48.279042][ T1816] RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007fe5a64cbea0
[ 48.287000][ T1816] RBP: 0000200000000040 R08: 00007fe5a64cbee0 R09: 0000000000010000
[ 48.294965][ T1816] R10: 0000000000010000 R11: 0000000000000246 R12: 0000200000000000
[ 48.302924][ T1816] R13: 00007fe5a64cbea0 R14: 00000000000004cd R15: 0000200000000140
[ 48.310883][ T1816]
[ 48.313978][ T1816] ================================================================================
[ 48.323309][ T1816] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024)
[ 48.502062][ T1846] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 48.586370][ T1855] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 48.795656][ T1885] EXT4-fs (loop2): Unrecognized mount option "./bus" or missing value
[ 48.962554][ T1903] EXT4-fs (loop2): Ignoring removed nobh option
[ 48.968895][ T1903] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 48.980947][ T1903] EXT4-fs (loop2): fragment/cluster size (67108864) != block size (1024)
[ 49.173587][ T1936] EXT4-fs (loop2): Ignoring removed nobh option
[ 49.180191][ T1936] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 49.193617][ T1936] EXT4-fs error (device loop2): ext4_orphan_get:1406: inode #15: comm syz.2.497: iget: bad i_size value: 38620345925642
[ 49.206607][ T1936] EXT4-fs error (device loop2): ext4_orphan_get:1411: comm syz.2.497: couldn't read orphan inode 15 (err -117)
[ 49.218655][ T1936] EXT4-fs (loop2): mounted filesystem without journal. Opts: nobh,auto_da_alloc,data_err=ignore,nojournal_checksum,dioread_nolock,bsdgroups,,errors=continue. Quota mode: none.