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 ordered data mode. (syz.0.0,5322,0):ocfs2_dio_end_io:2424 ERROR: Direct IO failed, bytes = -28 loop0: detected capacity change from 32768 to 0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10064, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10112, nr_sectors = 32 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10176, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10240, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10272, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10304, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10352, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10384, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10416, nr_sectors = 16 limit=0 syz.0.0: attempt to access beyond end of device loop0: rw=34817, sector=10528, nr_sectors = 16 limit=0 (syz.0.0,5322,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5322,0):ocfs2_write_end_nolock:1966 ERROR: status = -30 (syz.0.0,5322,0):ocfs2_commit_trans:382 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:2278! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 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_dio_wr_get_block+0x18bd/0x18d0 fs/ocfs2/aops.c:2278 Code: e2 8e 4c 89 f2 e8 63 0a 6f 01 e9 3a f6 ff ff e8 b9 4a 40 08 e8 74 3e 0e fe 90 0f 0b e8 6c 3e 0e fe 90 0f 0b e8 64 3e 0e fe 90 <0f> 0b e8 5c 3e 0e fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 RSP: 0018:ffffc9000d047220 EFLAGS: 00010287 RAX: ffffffff8386ac0c RBX: 0000000000002000 RCX: 0000000000040000 RDX: ffffc9000d671000 RSI: 00000000000193b1 RDI: 00000000000193b2 RBP: ffffc9000d047410 R08: ffffffff8386a6ab R09: 1ffffffff2859920 R10: dffffc0000000000 R11: fffffbfff2859921 R12: 1ffff1100657e10d R13: dffffc0000000000 R14: 00000000ffffffe2 R15: ffff88805030b890 FS: 00007fbf164c46c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558e8a22c000 CR3: 0000000042eb6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x1c8e/0x4890 fs/direct-io.c:1243 ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2464 generic_file_direct_write+0x17a/0x390 mm/filemap.c:3977 __generic_file_write_iter+0x126/0x230 mm/filemap.c:4141 ocfs2_file_write_iter+0x17b1/0x1f50 fs/ocfs2/file.c:2459 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbf1577e719 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:00007fbf164c4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbf15935f80 RCX: 00007fbf1577e719 RDX: 00000000ffffffd7 RSI: 0000000020000000 RDI: 0000000000000009 RBP: 00007fbf157f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbf15935f80 R15: 00007ffd4ab6bf78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_dio_wr_get_block+0x18bd/0x18d0 fs/ocfs2/aops.c:2278 Code: e2 8e 4c 89 f2 e8 63 0a 6f 01 e9 3a f6 ff ff e8 b9 4a 40 08 e8 74 3e 0e fe 90 0f 0b e8 6c 3e 0e fe 90 0f 0b e8 64 3e 0e fe 90 <0f> 0b e8 5c 3e 0e fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 RSP: 0018:ffffc9000d047220 EFLAGS: 00010287 RAX: ffffffff8386ac0c RBX: 0000000000002000 RCX: 0000000000040000 RDX: ffffc9000d671000 RSI: 00000000000193b1 RDI: 00000000000193b2 RBP: ffffc9000d047410 R08: ffffffff8386a6ab R09: 1ffffffff2859920 R10: dffffc0000000000 R11: fffffbfff2859921 R12: 1ffff1100657e10d R13: dffffc0000000000 R14: 00000000ffffffe2 R15: ffff88805030b890 FS: 00007fbf164c46c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558e8a22c000 CR3: 0000000042eb6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400