loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. (syz.0.0,5331,0):ocfs2_read_virt_blocks:1015 ERROR: Inode #65 contains a hole at offset 0 (syz.0.0,5331,0):ocfs2_read_dir_block:511 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509 Code: 80 3c 20 00 74 08 4c 89 f7 e8 d3 0d 72 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc cc cc e8 d8 ce 0a fe 90 <0f> 0b e8 d0 ce 0a fe 90 0f 0b e8 c8 ce 0a fe 90 0f 0b e8 c0 ce 0a RSP: 0018:ffffc9000d3365a8 EFLAGS: 00010283 RAX: ffffffff83b544b8 RBX: ffff888043958830 RCX: 0000000000100000 RDX: ffffc9000e222000 RSI: 000000000000072b RDI: 000000000000072c RBP: 0000000000000001 R08: ffffffff8f7cf377 R09: 1ffffffff1ef9e6e R10: dffffc0000000000 R11: fffffbfff1ef9e6f R12: 1ffff92001a66ce8 R13: dffffc0000000000 R14: ffff8880438280e8 R15: ffff8880438280e8 FS: 00007f9309bb46c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16aa7909c0 CR3: 000000001ff4e000 CR4: 0000000000352ef0 Call Trace: ocfs2_extend_dir+0x1172/0x4870 fs/ocfs2/dir.c:3309 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4232 [inline] ocfs2_prepare_dir_for_insert+0x3d7b/0x5450 fs/ocfs2/dir.c:4288 ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:297 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:676 lookup_open fs/namei.c:3796 [inline] open_last_lookups fs/namei.c:3895 [inline] path_openat+0x14f4/0x3830 fs/namei.c:4131 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9308d8efc9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9309bb4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f9308fe5fa0 RCX: 00007f9308d8efc9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140 RBP: 00007f9308e11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9308fe6038 R14: 00007f9308fe5fa0 R15: 00007ffd09a64b98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509 Code: 80 3c 20 00 74 08 4c 89 f7 e8 d3 0d 72 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc cc cc e8 d8 ce 0a fe 90 <0f> 0b e8 d0 ce 0a fe 90 0f 0b e8 c8 ce 0a fe 90 0f 0b e8 c0 ce 0a RSP: 0018:ffffc9000d3365a8 EFLAGS: 00010283 RAX: ffffffff83b544b8 RBX: ffff888043958830 RCX: 0000000000100000 RDX: ffffc9000e222000 RSI: 000000000000072b RDI: 000000000000072c RBP: 0000000000000001 R08: ffffffff8f7cf377 R09: 1ffffffff1ef9e6e R10: dffffc0000000000 R11: fffffbfff1ef9e6f R12: 1ffff92001a66ce8 R13: dffffc0000000000 R14: ffff8880438280e8 R15: ffff8880438280e8 FS: 00007f9309bb46c0(0000) GS:ffff88808d733000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9309b92fc8 CR3: 000000001ff4e000 CR4: 0000000000352ef0