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. loop0: detected capacity change from 32768 to 0 Aborting journal on device loop0-75. syz.0.0: attempt to access beyond end of device loop0: rw=38913, sector=640, nr_sectors = 1 limit=0 Buffer I/O error on dev loop0, logical block 640, lost sync page write JBD2: I/O error when updating journal superblock for loop0-75. (syz.0.0,5323,0):__ocfs2_journal_access:705 ERROR: Error -5 getting 1 access to buffer! (syz.0.0,5323,0):ocfs2_write_end_nolock:1966 ERROR: status = -5 (syz.0.0,5323,0):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: 5323 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #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 53 0d 6f 01 e9 3a f6 ff ff e8 29 54 40 08 e8 94 37 0e fe 90 0f 0b e8 8c 37 0e fe 90 0f 0b e8 84 37 0e fe 90 <0f> 0b e8 7c 37 0e fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 RSP: 0018:ffffc9000cf6efa0 EFLAGS: 00010283 RAX: ffffffff8386a29c RBX: 0000000000002000 RCX: 0000000000040000 RDX: ffffc9000d4f1000 RSI: 00000000000147df RDI: 00000000000147e0 RBP: ffffc9000cf6f190 R08: ffffffff83869d3b R09: 1ffffffff285991f R10: dffffc0000000000 R11: fffffbfff2859920 R12: 1ffff11009ea8d0d R13: dffffc0000000000 R14: 00000000fffffffb R15: ffff88804338a150 FS: 00007f5654d896c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5654d3f000 CR3: 0000000040d9a000 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:2467 aio_write+0x56b/0x7c0 fs/aio.c:1633 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052 __do_sys_io_submit fs/aio.c:2111 [inline] __se_sys_io_submit+0x179/0x2f0 fs/aio.c:2081 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: 0033:0x7f5653f7e719 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:00007f5654d89038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f5654135f80 RCX: 00007f5653f7e719 RDX: 0000000020000540 RSI: 000000000000003b RDI: 00007f5654d3f000 RBP: 00007f5653ff132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5654135f80 R15: 00007ffd95331b78 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 53 0d 6f 01 e9 3a f6 ff ff e8 29 54 40 08 e8 94 37 0e fe 90 0f 0b e8 8c 37 0e fe 90 0f 0b e8 84 37 0e fe 90 <0f> 0b e8 7c 37 0e fe 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 RSP: 0018:ffffc9000cf6efa0 EFLAGS: 00010283 RAX: ffffffff8386a29c RBX: 0000000000002000 RCX: 0000000000040000 RDX: ffffc9000d4f1000 RSI: 00000000000147df RDI: 00000000000147e0 RBP: ffffc9000cf6f190 R08: ffffffff83869d3b R09: 1ffffffff285991f R10: dffffc0000000000 R11: fffffbfff2859920 R12: 1ffff11009ea8d0d R13: dffffc0000000000 R14: 00000000fffffffb R15: ffff88804338a150 FS: 00007f5654d896c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5654d3f000 CR3: 0000000040d9a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400