Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. 2025/10/15 01:21:54 parsed 1 programs [ 58.570317][ T2847] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/10/15 01:21:57 executed programs: 0 [ 63.368620][ T3725] loop3: detected capacity change from 0 to 32768 [ 63.375229][ T3725] ======================================================= [ 63.375229][ T3725] WARNING: The mand mount option has been deprecated and [ 63.375229][ T3725] and is ignored by this kernel. Remove the mand [ 63.375229][ T3725] option from the mount to silence this warning. [ 63.375229][ T3725] ======================================================= [ 63.412331][ T3725] JBD2: Ignoring recovery information on journal [ 63.425227][ T3725] ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode. [ 63.435200][ T3725] ------------[ cut here ]------------ [ 63.440652][ T3725] UBSAN: array-index-out-of-bounds in fs/ocfs2/suballoc.c:380:22 [ 63.448597][ T3725] index 0 is out of range for type 'struct ocfs2_chain_rec[] __counted_by(cl_count)' (aka 'struct ocfs2_chain_rec[]') [ 63.461168][ T3725] CPU: 1 UID: 0 PID: 3725 Comm: syz.3.17 Not tainted syzkaller #0 PREEMPT(full) [ 63.461173][ T3725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 63.461179][ T3725] Call Trace: [ 63.461183][ T3725] [ 63.461185][ T3725] dump_stack_lvl+0xa2/0xf0 [ 63.461196][ T3725] ubsan_epilogue+0x5/0x30 [ 63.461202][ T3725] __ubsan_handle_out_of_bounds+0xa2/0xc0 [ 63.461208][ T3725] ocfs2_block_group_fill+0x316/0x320 [ 63.461214][ T3725] ocfs2_reserve_suballoc_bits+0x63a/0x17b0 [ 63.461221][ T3725] ? rcu_is_watching+0x11/0x60 [ 63.461224][ T3725] ? __kmalloc_cache_noprof+0x36f/0x680 [ 63.461227][ T3725] ? ocfs2_reserve_new_metadata_blocks+0x5c/0x320 [ 63.461231][ T3725] ocfs2_reserve_new_metadata_blocks+0x106/0x320 [ 63.461241][ T3725] ocfs2_extend_dir+0x7eb/0x1da0 [ 63.461249][ T3725] ? rcu_is_watching+0x11/0x60 [ 63.461253][ T3725] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 63.461258][ T3725] ocfs2_prepare_dir_for_insert+0x142d/0x22e0 [ 63.461261][ T3725] ? ocfs2_read_blocks+0x506/0x600 [ 63.461266][ T3725] ? ocfs2_check_dir_for_entry+0x97/0x190 [ 63.461270][ T3725] ocfs2_mknod+0x295/0xf50 [ 63.461278][ T3725] ocfs2_mkdir+0x66/0x160 [ 63.461281][ T3725] ? inode_permission+0xae/0x160 [ 63.461285][ T3725] vfs_mkdir+0xc8/0x170 [ 63.461288][ T3725] do_mkdirat+0xaf/0x250 [ 63.461291][ T3725] __x64_sys_mkdirat+0x27/0x40 [ 63.461294][ T3725] do_syscall_64+0x8f/0x250 [ 63.461299][ T3725] ? fpregs_assert_state_consistent+0x1b/0x30 [ 63.461303][ T3725] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.461306][ T3725] RIP: 0033:0x7f245af8d617 [ 63.461310][ T3725] Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 63.461312][ T3725] RSP: 002b:00007f245be6ae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 63.461317][ T3725] RAX: ffffffffffffffda RBX: 00007f245be6aef0 RCX: 00007f245af8d617 [ 63.461318][ T3725] RDX: 00000000000001ff RSI: 0000200000000680 RDI: 00000000ffffff9c [ 63.461320][ T3725] RBP: 0000200000000080 R08: 0000200000000140 R09: 0000000000000000 [ 63.461321][ T3725] R10: 0000200000000080 R11: 0000000000000246 R12: 0000200000000680 [ 63.461322][ T3725] R13: 00007f245be6aeb0 R14: 0000000000000000 R15: 0000000000000000 [ 63.461326][ T3725] [ 63.461327][ T3725] ---[ end trace ]--- [ 63.691473][ T3725] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 63.699019][ T3725] Kernel Offset: disabled [ 63.703348][ T3725] Rebooting in 86400 seconds..