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.0.0,5368,0):__ocfs2_journal_access:727 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5368,0):ocfs2_write_end_nolock:1944 ERROR: status = -30 (syz.0.0,5368,0):ocfs2_commit_trans:404 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:2255! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5368 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_dio_wr_get_block+0x175a/0x1770 fs/ocfs2/aops.c:2255 Code: 89 d7 e8 a9 d9 89 fe 44 89 fa 4c 8b 7c 24 28 e9 d2 fa ff ff e8 17 ed 24 fe 90 0f 0b e8 0f ed 24 fe 90 0f 0b e8 07 ed 24 fe 90 <0f> 0b e8 ff ec 24 fe 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc9000d386e40 EFLAGS: 00010287 RAX: ffffffff839ace39 RBX: 00000000ffffffe2 RCX: 0000000000100000 RDX: ffffc9000dfb2000 RSI: 0000000000042e54 RDI: 0000000000042e55 RBP: ffffc9000d387010 R08: ffffffff8fa3ad37 R09: 1ffffffff1f475a6 R10: dffffc0000000000 R11: fffffbfff1f475a7 R12: ffff888044134fe8 R13: dffffc0000000000 R14: ffff888044134fb8 R15: 0000000000002000 FS: 00007f25980806c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005000 CR3: 0000000042f2a000 CR4: 0000000000352ef0 Call Trace: get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x16fc/0x3490 fs/direct-io.c:1243 ocfs2_direct_IO+0x25f/0x2d0 fs/ocfs2/aops.c:2441 generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4109 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4278 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738 do_splice_from fs/splice.c:938 [inline] direct_splice_actor+0xfe/0x160 fs/splice.c:1161 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1230 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417 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: 0033:0x7f259718ebe9 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:00007f2598080038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f25973b5fa0 RCX: 00007f259718ebe9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007f2597211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f25973b6038 R14: 00007f25973b5fa0 R15: 00007ffca87e49e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_dio_wr_get_block+0x175a/0x1770 fs/ocfs2/aops.c:2255 Code: 89 d7 e8 a9 d9 89 fe 44 89 fa 4c 8b 7c 24 28 e9 d2 fa ff ff e8 17 ed 24 fe 90 0f 0b e8 0f ed 24 fe 90 0f 0b e8 07 ed 24 fe 90 <0f> 0b e8 ff ec 24 fe 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc9000d386e40 EFLAGS: 00010287 RAX: ffffffff839ace39 RBX: 00000000ffffffe2 RCX: 0000000000100000 RDX: ffffc9000dfb2000 RSI: 0000000000042e54 RDI: 0000000000042e55 RBP: ffffc9000d387010 R08: ffffffff8fa3ad37 R09: 1ffffffff1f475a6 R10: dffffc0000000000 R11: fffffbfff1f475a7 R12: ffff888044134fe8 R13: dffffc0000000000 R14: ffff888044134fb8 R15: 0000000000002000 FS: 00007f25980806c0(0000) GS:ffff88808d20f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f259803dfc8 CR3: 0000000042f2a000 CR4: 0000000000352ef0