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. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00051-g7a13c14ee59d #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 83 65 79 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 68 70 17 fe 90 <0f> 0b e8 60 70 17 fe 90 0f 0b e8 58 70 17 fe 90 0f 0b e8 50 70 17 RSP: 0018:ffffc9000d6de5c8 EFLAGS: 00010287 RAX: ffffffff83a84fe8 RBX: ffff888043cf8830 RCX: 0000000000100000 RDX: ffffc9000e1c2000 RSI: 0000000000001359 RDI: 000000000000135a RBP: 0000000000000001 R08: ffffffff8f7ed377 R09: 1ffffffff1efda6e R10: dffffc0000000000 R11: fffffbfff1efda6f R12: 1ffff92001adbcec R13: dffffc0000000000 R14: ffff888043d47828 R15: ffff888043d47828 FS: 00007f2006ada6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ff9affe00 CR3: 000000004253d000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_extend_dir+0x1172/0x4870 fs/ocfs2/dir.c:3301 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4224 [inline] ocfs2_prepare_dir_for_insert+0x3d7b/0x5450 fs/ocfs2/dir.c:4280 ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:294 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:673 lookup_open fs/namei.c:3701 [inline] open_last_lookups fs/namei.c:3800 [inline] path_openat+0x14f1/0x3830 fs/namei.c:4036 do_filp_open+0x1fa/0x410 fs/namei.c:4066 do_sys_openat2+0x121/0x1c0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_creat fs/open.c:1522 [inline] __se_sys_creat fs/open.c:1516 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1516 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2005b8e969 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:00007f2006ada038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f2005db5fa0 RCX: 00007f2005b8e969 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000e00 RBP: 00007f2005c10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2005db5fa0 R15: 00007ffd0556f4f8 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 83 65 79 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 68 70 17 fe 90 <0f> 0b e8 60 70 17 fe 90 0f 0b e8 58 70 17 fe 90 0f 0b e8 50 70 17 RSP: 0018:ffffc9000d6de5c8 EFLAGS: 00010287 RAX: ffffffff83a84fe8 RBX: ffff888043cf8830 RCX: 0000000000100000 RDX: ffffc9000e1c2000 RSI: 0000000000001359 RDI: 000000000000135a RBP: 0000000000000001 R08: ffffffff8f7ed377 R09: 1ffffffff1efda6e R10: dffffc0000000000 R11: fffffbfff1efda6f R12: 1ffff92001adbcec R13: dffffc0000000000 R14: ffff888043d47828 R15: ffff888043d47828 FS: 00007f2006ada6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb8f699580 CR3: 000000004253d000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400