syzkaller syzkaller login: [ 13.102906][ T30] kauditd_printk_skb: 7 callbacks suppressed [ 13.102922][ T30] audit: type=1400 audit(1772618711.829:59): avc: denied { transition } for pid=222 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.115065][ T30] audit: type=1400 audit(1772618711.829:60): avc: denied { noatsecure } for pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.123279][ T30] audit: type=1400 audit(1772618711.829:61): avc: denied { write } for pid=222 comm="sh" path="pipe:[1752]" dev="pipefs" ino=1752 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.146564][ T30] audit: type=1400 audit(1772618711.829:62): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.166037][ T30] audit: type=1400 audit(1772618711.829:63): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.557503][ T225] sshd-session (225) used greatest stack depth: 22752 bytes left Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. 2026/03/04 10:05:21 parsed 1 programs [ 22.278551][ T30] audit: type=1400 audit(1772618720.999:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.300172][ T30] audit: type=1400 audit(1772618720.999:65): avc: denied { module_request } for pid=281 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 [ 22.986464][ T30] audit: type=1400 audit(1772618721.709:66): avc: denied { mounton } for pid=287 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 [ 22.987471][ T287] cgroup: Unknown subsys name 'net' [ 23.013850][ T30] audit: type=1400 audit(1772618721.709:67): avc: denied { mount } for pid=287 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 [ 23.045165][ T30] audit: type=1400 audit(1772618721.749:68): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.067288][ T287] cgroup: Unknown subsys name 'devices' [ 23.281978][ T287] cgroup: Unknown subsys name 'hugetlb' [ 23.288050][ T287] cgroup: Unknown subsys name 'rlimit' [ 23.431143][ T30] audit: type=1400 audit(1772618722.159:69): avc: denied { setattr } for pid=287 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.456362][ T30] audit: type=1400 audit(1772618722.159:70): avc: denied { create } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.462363][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.477619][ T30] audit: type=1400 audit(1772618722.159:71): avc: denied { write } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.507334][ T30] audit: type=1400 audit(1772618722.159:72): avc: denied { read } for pid=287 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 [ 23.529388][ T30] audit: type=1400 audit(1772618722.159:73): avc: denied { mounton } for pid=287 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 [ 23.563366][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.024337][ T294] request_module fs-gadgetfs succeeded, but still no fs? [ 24.670146][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.677668][ T345] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.685719][ T345] device bridge_slave_0 entered promiscuous mode [ 24.693334][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.700576][ T345] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.708661][ T345] device bridge_slave_1 entered promiscuous mode [ 24.746365][ T345] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.754550][ T345] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.762175][ T345] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.769400][ T345] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.787016][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.795243][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.803025][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.813230][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.821698][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.829153][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.838625][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.847416][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.854719][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.867410][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.877903][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.899636][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.919572][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.928223][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.936270][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.945153][ T345] device veth0_vlan entered promiscuous mode [ 24.955321][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.971939][ T345] device veth1_macvtap entered promiscuous mode [ 24.981808][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.992570][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.033043][ T345] syz-executor (345) used greatest stack depth: 21728 bytes left 2026/03/04 10:05:23 executed programs: 0 [ 25.225354][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.232767][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.240780][ T356] device bridge_slave_0 entered promiscuous mode [ 25.248031][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.255507][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.263293][ T356] device bridge_slave_1 entered promiscuous mode [ 25.306709][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.314064][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.322100][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.329403][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.355700][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.363785][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.372434][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.382696][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.391617][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.399673][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.413840][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.422500][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.429826][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.448674][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.458766][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.475746][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.489576][ T356] device veth0_vlan entered promiscuous mode [ 25.497719][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.507561][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.517140][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.534852][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.545278][ T356] device veth1_macvtap entered promiscuous mode [ 25.555381][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.570489][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.655066][ T372] loop2: detected capacity change from 0 to 512 [ 25.709662][ T375] loop2: detected capacity change from 0 to 512 [ 25.754989][ T381] loop2: detected capacity change from 0 to 512 [ 25.775315][ T384] loop2: detected capacity change from 0 to 512 [ 25.853095][ T387] loop2: detected capacity change from 0 to 512 [ 25.897272][ T393] loop2: detected capacity change from 0 to 512 [ 25.904420][ T393] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 25.917987][ T393] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 25.929235][ T393] ================================================================================ [ 25.939044][ T393] UBSAN: shift-out-of-bounds in fs/ext4/super.c:4447:27 [ 25.946812][ T393] shift exponent 8192 is too large for 32-bit type 'int' [ 25.954486][ T393] CPU: 0 PID: 393 Comm: syz.2.27 Not tainted syzkaller #0 [ 25.961671][ T393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 25.972517][ T393] Call Trace: [ 25.975842][ T393] [ 25.978784][ T393] __dump_stack+0x21/0x30 [ 25.983192][ T393] dump_stack_lvl+0x110/0x170 [ 25.987950][ T393] ? show_regs_print_info+0x20/0x20 [ 25.993589][ T393] dump_stack+0x15/0x20 [ 25.998021][ T393] ubsan_epilogue+0xe/0x40 [ 26.003133][ T393] __ubsan_handle_shift_out_of_bounds+0x37c/0x400 [ 26.011427][ T393] ext4_fill_super+0x6a42/0x8bd0 [ 26.018065][ T393] ? ext4_mount+0x40/0x40 [ 26.023503][ T393] ? set_blocksize+0x1eb/0x370 [ 26.028679][ T393] ? sb_set_blocksize+0xaa/0xf0 [ 26.034412][ T393] ? ext4_mount+0x40/0x40 [ 26.039129][ T393] mount_bdev+0x2ae/0x3e0 [ 26.045265][ T393] ? ext4_mount+0x40/0x40 [ 26.050668][ T393] ext4_mount+0x34/0x40 [ 26.055471][ T393] legacy_get_tree+0xed/0x190 [ 26.060948][ T393] ? ext4_errno_to_code+0x160/0x160 [ 26.066795][ T393] vfs_get_tree+0x89/0x260 [ 26.071490][ T393] do_new_mount+0x25a/0xa20 [ 26.076075][ T393] path_mount+0x659/0xff0 [ 26.080755][ T393] ? user_path_at_empty+0x161/0x1c0 [ 26.085967][ T393] __se_sys_mount+0x320/0x390 [ 26.090862][ T393] ? __x64_sys_mount+0xd0/0xd0 [ 26.095952][ T393] __x64_sys_mount+0xbf/0xd0 [ 26.100561][ T393] x64_sys_call+0x6bf/0x9a0 [ 26.105242][ T393] do_syscall_64+0x4c/0xa0 [ 26.109843][ T393] ? clear_bhb_loop+0x50/0xa0 [ 26.115349][ T393] ? clear_bhb_loop+0x50/0xa0 [ 26.120350][ T393] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.127111][ T393] RIP: 0033:0x7fd40d147a0a [ 26.131629][ T393] 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 [ 26.152055][ T393] RSP: 002b:00007fd40cfa8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 26.160579][ T393] RAX: ffffffffffffffda RBX: 00007fd40cfa8ee0 RCX: 00007fd40d147a0a [ 26.168738][ T393] RDX: 0000200000000540 RSI: 00002000000001c0 RDI: 00007fd40cfa8ea0 [ 26.177194][ T393] RBP: 0000200000000540 R08: 00007fd40cfa8ee0 R09: 0000000000000088 [ 26.185365][ T393] R10: 0000000000000088 R11: 0000000000000246 R12: 00002000000001c0 [ 26.193475][ T393] R13: 00007fd40cfa8ea0 R14: 000000000000042f R15: 00002000000005c0 [ 26.202064][ T393] [ 26.205969][ T393] ================================================================================ [ 26.215867][ T393] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 26.276497][ T396] loop2: detected capacity change from 0 to 512 [ 26.285532][ T396] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 26.308273][ T396] EXT4-fs error (device loop2): ext4_orphan_get:1426: comm syz.2.28: bad orphan inode 15 [ 26.319179][ T396] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 26.361470][ T45] device bridge_slave_1 left promiscuous mode [ 26.367749][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.376091][ T45] device bridge_slave_0 left promiscuous mode [ 26.382606][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.393465][ T45] device veth1_macvtap left promiscuous mode [ 26.403414][ T45] device veth0_vlan left promiscuous mode [ 26.418472][ T407] loop2: detected capacity change from 0 to 512 [ 26.434971][ T407] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 26.445187][ T407] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 27.158649][ T530] loop2: detected capacity change from 0 to 512 [ 27.207361][ T539] loop2: detected capacity change from 0 to 512 [ 27.215414][ T539] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 27.228261][ T539] EXT4-fs error (device loop2): ext4_orphan_get:1426: comm syz.2.75: bad orphan inode 15 [ 27.238849][ T539] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 27.306236][ T543] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 27.319156][ T543] EXT4-fs warning (device loop2): ext4_expand_extra_isize_ea:2807: Unable to expand inode 15. Delete some EAs or run e2fsck. [ 27.333099][ T543] EXT4-fs (loop2): 1 truncate cleaned up [ 27.339349][ T543] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 27.504211][ T562] EXT4-fs (loop2): Invalid log cluster size: 8192 [ 27.612205][ T571] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 27.625175][ T571] EXT4-fs (loop2): 1 truncate cleaned up [ 27.631390][ T571] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 28.208102][ T662] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 28.222192][ T662] EXT4-fs (loop2): 1 truncate cleaned up [ 28.228243][ T662] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 28.812702][ T724] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 28.824066][ T724] EXT4-fs (loop2): 1 truncate cleaned up [ 28.829929][ T724] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 29.278190][ T774] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.293323][ T774] EXT4-fs (loop2): 1 truncate cleaned up [ 29.299230][ T774] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 29.541081][ T811] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.552456][ T811] EXT4-fs warning (device loop2): ext4_xattr_set_entry:1749: inode #15: comm syz.2.163: unable to update i_inline_off [ 29.565210][ T811] EXT4-fs (loop2): 1 truncate cleaned up [ 29.571032][ T811] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 29.636976][ T815] EXT4-fs (loop2): Invalid log cluster size: 8192 [ 29.798357][ T839] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.810801][ T839] EXT4-fs (loop2): 1 truncate cleaned up [ 29.817297][ T839] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 29.881619][ T843] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.892856][ T843] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 29.932335][ T846] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.942706][ T846] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 29.972478][ T849] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.982678][ T849] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 30.032906][ T852] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 30.045704][ T852] EXT4-fs error (device loop2): ext4_orphan_get:1426: comm syz.2.176: bad orphan inode 15 [ 30.057061][ T852] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. 2026/03/04 10:05:28 executed programs: 166 [ 30.241935][ T877] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 30.253877][ T877] EXT4-fs error (device loop2): ext4_fill_super:4857: comm syz.2.184: inode #2: comm syz.2.184: iget: illegal inode # [ 30.267278][ T877] EXT4-fs (loop2): get root inode failed [ 30.273014][ T877] EXT4-fs (loop2): mount failed [ 30.485909][ T902] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 30.497434][ T902] EXT4-fs (loop2): 1 truncate cleaned up [ 30.503368][ T902] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 30.542235][ T907] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 30.556613][ T907] EXT4-fs (loop2): 1 truncate cleaned up [ 30.562941][ T907] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 30.681756][ T914] set_capacity_and_notify: 24 callbacks suppressed [ 30.681773][ T914] loop2: detected capacity change from 0 to 512 [ 30.688919][ T915] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 0 [ 30.878305][ T929] loop2: detected capacity change from 0 to 512 [ 30.888985][ T929] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 30.904381][ T929] EXT4-fs error (device loop2): ext4_orphan_get:1426: comm syz.2.200: bad orphan inode 15 [ 30.914831][ T929] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 31.203072][ T973] loop2: detected capacity change from 0 to 512 [ 31.380539][ T997] loop2: detected capacity change from 0 to 512 [ 31.449052][ T997] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 31.461202][ T997] EXT4-fs (loop2): 1 truncate cleaned up [ 31.467313][ T997] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 31.541674][ T1005] loop2: detected capacity change from 0 to 512 [ 31.542183][ T1006] blk_update_request: I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 0 [ 31.912731][ T1056] loop2: detected capacity change from 0 to 512 [ 31.962564][ T1056] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 31.974774][ T1056] EXT4-fs (loop2): 1 truncate cleaned up [ 31.980676][ T1056] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 32.313146][ T1108] loop2: detected capacity change from 0 to 512 [ 32.325902][ T1108] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 32.336924][ T1108] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 32.417703][ T1114] loop2: detected capacity change from 0 to 512 [ 32.465212][ T1120] loop2: detected capacity change from 0 to 512 [ 32.473846][ T1120] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 32.486143][ T1120] EXT4-fs error (device loop2): ext4_fill_super:4857: comm syz.2.262: inode #2: comm syz.2.262: iget: illegal inode # [ 32.499395][ T1120] EXT4-fs (loop2): get root inode failed [ 32.505704][ T1120] EXT4-fs (loop2): mount failed [ 32.672637][ T1148] loop2: detected capacity change from 0 to 512 [ 33.102058][ T1202] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 33.114127][ T1202] EXT4-fs (loop2): 1 truncate cleaned up [ 33.120138][ T1202] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 33.398697][ T1228] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 33.417092][ T1228] EXT4-fs error (device loop2): ext4_orphan_get:1426: comm syz.2.297: bad orphan inode 15 [ 33.427515][ T1228] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 33.869630][ T1292] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 33.883038][ T1292] EXT4-fs error (device loop2): __ext4_iget:4943: inode #2: block 13: comm syz.2.318: invalid block [ 33.894867][ T1292] EXT4-fs (loop2): get root inode failed [ 33.901894][ T1292] EXT4-fs (loop2): mount failed [ 34.472472][ T1377] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 34.485192][ T1377] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz.2.346: Invalid block bitmap block 3 in block_group 0 [ 34.499029][ T1377] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5885: Corrupt filesystem [ 34.508917][ T1377] EXT4-fs error (device loop2): ext4_dirty_inode:6089: inode #15: comm syz.2.346: mark_inode_dirty error [ 34.520974][ T1377] EXT4-fs (loop2): 1 truncate cleaned up [ 34.526660][ T1377] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. [ 34.865252][ T1414] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 34.875849][ T1414] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 34.986196][ T1423] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 34.996490][ T1423] EXT4-fs (loop2): bad geometry: first data block 0 is beyond end of filesystem (0) [ 35.042418][ T1426] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 35.055829][ T1426] EXT4-fs (loop2): 1 truncate cleaned up [ 35.063177][ T1426] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,min_batch_time=0x0000000000000001,debug_want_extra_isize=0x0000000000000068,nobarrier,nodiscard,quota,,errors=continue. Quota mode: writeback. 2026/03/04 10:05:33 executed programs: 352 [ 35.731441][ T1502] set_capacity_and_notify: 16 callbacks suppressed [ 35.731456][ T1502] loop2: detected capacity change from 0 to 512 [ 35.780969][ T1508] loop2: detected capacity change from 0 to 512