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.0.0,5353,0):ocfs2_read_virt_blocks:1007 ERROR: Inode #65 contains a hole at offset 0 (syz.0.0,5353,0):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: 5353 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 a3 07 75 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 a8 1f 10 fe 90 <0f> 0b e8 a0 1f 10 fe 90 0f 0b e8 98 1f 10 fe 90 0f 0b e8 90 1f 10 RSP: 0018:ffffc9000fe7e9c8 EFLAGS: 00010287 RAX: ffffffff83af9b38 RBX: ffff888043af0830 RCX: 0000000000100000 RDX: ffffc9000dda2000 RSI: 00000000000007e0 RDI: 00000000000007e1 RBP: 0000000000000001 R08: ffffffff8fa3a437 R09: 1ffffffff1f47486 R10: dffffc0000000000 R11: fffffbfff1f47487 R12: 1ffff92001fcfd6c R13: dffffc0000000000 R14: ffff888043b4f828 R15: ffff888043b4f828 FS: 00007fd10a68e6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd1099b0bb8 CR3: 0000000042fce000 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_mkdir+0x191/0x440 fs/ocfs2/namei.c:659 vfs_mkdir+0x303/0x510 fs/namei.c:4366 do_mkdirat+0x247/0x590 fs/namei.c:4399 __do_sys_mkdir fs/namei.c:4421 [inline] __se_sys_mkdir fs/namei.c:4419 [inline] __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4419 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd10978ebe9 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:00007fd10a68e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007fd1099b5fa0 RCX: 00007fd10978ebe9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140 RBP: 00007fd109811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd1099b6038 R14: 00007fd1099b5fa0 R15: 00007ffd2585f9a8 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 a3 07 75 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 a8 1f 10 fe 90 <0f> 0b e8 a0 1f 10 fe 90 0f 0b e8 98 1f 10 fe 90 0f 0b e8 90 1f 10 RSP: 0018:ffffc9000fe7e9c8 EFLAGS: 00010287 RAX: ffffffff83af9b38 RBX: ffff888043af0830 RCX: 0000000000100000 RDX: ffffc9000dda2000 RSI: 00000000000007e0 RDI: 00000000000007e1 RBP: 0000000000000001 R08: ffffffff8fa3a437 R09: 1ffffffff1f47486 R10: dffffc0000000000 R11: fffffbfff1f47487 R12: 1ffff92001fcfd6c R13: dffffc0000000000 R14: ffff888043b4f828 R15: ffff888043b4f828 FS: 00007fd10a68e6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0fdf17000 CR3: 0000000042fce000 CR4: 0000000000352ef0