option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1387! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4163 Comm: syz-executor376 Not tainted 5.15.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x2355/0x24b0 fs/ocfs2/suballoc.c:1927 Code: 86 fa ff ff e8 5c 4a 3e fe 0f 0b e8 55 4a 3e fe 0f 0b e8 4e 4a 3e fe 0f 0b e8 47 4a 3e fe 0f 0b e8 30 d5 f1 06 e8 3b 4a 3e fe <0f> 0b e8 34 4a 3e fe 0f 0b 65 8b 1d a3 eb bf 7c bf 07 00 00 00 89 RSP: 0018:ffffc900012df260 EFLAGS: 00010293 RAX: ffffffff834229a5 RBX: 0000000000000000 RCX: ffff88807b62d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900012df510 R08: ffffffff83421423 R09: ffffc900012df5a0 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88801c015608 R14: dffffc0000000000 R15: 0000000000000002 FS: 000055558b906380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd952ed4ed8 CR3: 000000002c198000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_claim_new_inode+0x32b/0x850 fs/ocfs2/suballoc.c:2210 ocfs2_mknod_locked+0x176/0x3a0 fs/ocfs2/namei.c:633 ocfs2_mknod+0x187f/0x2cd0 fs/ocfs2/namei.c:379 ocfs2_mkdir+0x194/0x430 fs/ocfs2/namei.c:655 vfs_mkdir+0x3b6/0x590 fs/namei.c:4065 do_mkdirat+0x260/0x520 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe739acea99 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff1f41f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe739acea99 RDX: 0000000000000000 RSI: 0000000020002040 RDI: 00000000ffffff9c RBP: 00007fe739b465f0 R08: 000000000000442c R09: 000055558b9074c0 R10: 00007fff1f41f100 R11: 0000000000000246 R12: 00007fff1f41f260 R13: 00007fff1f41f488 R14: 431bde82d7b634db R15: 00007fe739b1703b Modules linked in: ---[ end trace 9d04ba04b64f8399 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x2355/0x24b0 fs/ocfs2/suballoc.c:1927 Code: 86 fa ff ff e8 5c 4a 3e fe 0f 0b e8 55 4a 3e fe 0f 0b e8 4e 4a 3e fe 0f 0b e8 47 4a 3e fe 0f 0b e8 30 d5 f1 06 e8 3b 4a 3e fe <0f> 0b e8 34 4a 3e fe 0f 0b 65 8b 1d a3 eb bf 7c bf 07 00 00 00 89 RSP: 0018:ffffc900012df260 EFLAGS: 00010293 RAX: ffffffff834229a5 RBX: 0000000000000000 RCX: ffff88807b62d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900012df510 R08: ffffffff83421423 R09: ffffc900012df5a0 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88801c015608 R14: dffffc0000000000 R15: 0000000000000002 FS: 000055558b906380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd952ed4ed8 CR3: 000000002c198000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400