debugfs: Directory 'B1DE653C5FFC4D88B33B244AAB9EB3E9' with parent 'ocfs2' already present! BUG: kernel NULL pointer dereference, address: 0000000000000008 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 1168d2067 P4D 1168d2067 PUD 105721067 PMD 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 PID: 4789 Comm: syz.0.28 Not tainted 5.18.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline] RIP: 0010:ocfs2_evict_inode+0x109c/0x1ac0 fs/ocfs2/inode.c:1220 Code: 85 bd 07 00 00 41 c7 47 98 00 00 00 00 41 c7 87 d0 04 00 00 00 00 00 00 49 c7 87 88 f7 ff ff 00 00 00 00 49 8b 85 90 02 00 00 <48> 8b 78 08 49 81 c7 90 04 00 00 4c 89 fe e8 11 20 dd ff 65 48 8b RSP: 0018:ffffc900044bbba0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888110ee2ff0 RCX: 0000000084fd9968 RDX: 000000000a4e9e9a RSI: ffffffff836d616a RDI: ffffffff8376cbbf RBP: ffff888110ee2df8 R08: 0000000000000000 R09: ffff8881037451c0 R10: 0000000000000000 R11: ffffffff81685690 R12: ffff888110ee2a08 R13: ffff888105b26000 R14: ffff888110ee2c00 R15: ffff888110ee3278 FS: 00007fa4bb8f86c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010e196000 CR4: 0000000000350ee0 Call Trace: <TASK> evict+0xcc/0x220 fs/inode.c:664 ocfs2_release_system_inodes+0x2b/0x140 fs/ocfs2/super.c:515 ocfs2_init_local_system_inodes fs/ocfs2/super.c:491 [inline] ocfs2_mount_volume+0x3cf/0x840 fs/ocfs2/super.c:1838 ocfs2_fill_super+0x1635/0x1d10 fs/ocfs2/super.c:1095 mount_bdev+0x160/0x1b0 fs/super.c:1367 legacy_get_tree+0x2f/0x50 fs/fs_context.c:610 vfs_get_tree+0x28/0xd0 fs/super.c:1497 do_new_mount+0x153/0x3a0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x14b/0x1b0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x48/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa4bab874ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa4bb8f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa4bb8f7ef0 RCX: 00007fa4bab874ca RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007fa4bb8f7eb0 RBP: 0000000020004440 R08: 00007fa4bb8f7ef0 R09: 00000000000008c0 R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000020000040 R13: 00007fa4bb8f7eb0 R14: 0000000000004436 R15: 0000000020000180 </TASK> Modules linked in: CR2: 0000000000000008 ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline] RIP: 0010:ocfs2_evict_inode+0x109c/0x1ac0 fs/ocfs2/inode.c:1220 Code: 85 bd 07 00 00 41 c7 47 98 00 00 00 00 41 c7 87 d0 04 00 00 00 00 00 00 49 c7 87 88 f7 ff ff 00 00 00 00 49 8b 85 90 02 00 00 <48> 8b 78 08 49 81 c7 90 04 00 00 4c 89 fe e8 11 20 dd ff 65 48 8b RSP: 0018:ffffc900044bbba0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888110ee2ff0 RCX: 0000000084fd9968 RDX: 000000000a4e9e9a RSI: ffffffff836d616a RDI: ffffffff8376cbbf RBP: ffff888110ee2df8 R08: 0000000000000000 R09: ffff8881037451c0 R10: 0000000000000000 R11: ffffffff81685690 R12: ffff888110ee2a08 R13: ffff888105b26000 R14: ffff888110ee2c00 R15: ffff888110ee3278 FS: 00007fa4bb8f86c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010e196000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: 85 bd 07 00 00 41 test %edi,0x41000007(%rbp) 6: c7 47 98 00 00 00 00 movl $0x0,-0x68(%rdi) d: 41 c7 87 d0 04 00 00 movl $0x0,0x4d0(%r15) 14: 00 00 00 00 18: 49 c7 87 88 f7 ff ff movq $0x0,-0x878(%r15) 1f: 00 00 00 00 23: 49 8b 85 90 02 00 00 mov 0x290(%r13),%rax * 2a: 48 8b 78 08 mov 0x8(%rax),%rdi <-- trapping instruction 2e: 49 81 c7 90 04 00 00 add $0x490,%r15 35: 4c 89 fe mov %r15,%rsi 38: e8 11 20 dd ff call 0xffdd204e 3d: 65 gs 3e: 48 rex.W 3f: 8b .byte 0x8b