loop0: detected capacity change from 0 to 32768 JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1161! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5328 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 04/01/2014 RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1161 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1221 Code: 00 48 c7 c6 d2 c2 ff 8d ba 6c 04 00 00 48 c7 c1 60 99 12 8c e8 4d d0 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 4d f4 06 fe 90 <0f> 0b e8 45 f4 06 fe 90 0f 0b e8 3d f4 06 fe 90 0f 0b e8 35 f4 06 RSP: 0018:ffffc9000dfce820 EFLAGS: 00010287 RAX: ffffffff83bedcf3 RBX: ffff8880348da014 RCX: 0000000000100000 RDX: ffffc9000efea000 RSI: 00000000000ca85e RDI: 00000000000ca85f RBP: ffffc9000dfceb50 R08: ffff888055502313 R09: 1ffff1100aaa0462 R10: dffffc0000000000 R11: ffffed100aaa0463 R12: ffff888012a10000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880348da014 FS: 00007f4823a436c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4823a21ff8 CR3: 000000001f0e8000 CR4: 0000000000352ef0 Call Trace: ocfs2_write_begin_nolock+0x3305/0x41a0 fs/ocfs2/aops.c:1797 ocfs2_dio_wr_get_block+0xbbf/0x1800 fs/ocfs2/aops.c:2215 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x161d/0x34e0 fs/direct-io.c:1243 ocfs2_direct_IO+0x251/0x2c0 fs/ocfs2/aops.c:2455 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4259 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4428 ocfs2_file_write_iter+0x1663/0x1e70 fs/ocfs2/file.c:2476 do_iter_readv_writev+0x619/0x8c0 fs/read_write.c:-1 vfs_writev+0x33c/0x990 fs/read_write.c:1059 do_pwritev fs/read_write.c:1155 [inline] __do_sys_pwritev2 fs/read_write.c:1213 [inline] __se_sys_pwritev2+0x184/0x2a0 fs/read_write.c:1204 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4822b9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4823a42fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f4822e15fa0 RCX: 00007f4822b9ce59 RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000006 RBP: 00007f4822c32d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000007800 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4822e16038 R14: 00007f4822e15fa0 R15: 00007fffb5787748 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1161 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1221 Code: 00 48 c7 c6 d2 c2 ff 8d ba 6c 04 00 00 48 c7 c1 60 99 12 8c e8 4d d0 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 4d f4 06 fe 90 <0f> 0b e8 45 f4 06 fe 90 0f 0b e8 3d f4 06 fe 90 0f 0b e8 35 f4 06 RSP: 0018:ffffc9000dfce820 EFLAGS: 00010287 RAX: ffffffff83bedcf3 RBX: ffff8880348da014 RCX: 0000000000100000 RDX: ffffc9000efea000 RSI: 00000000000ca85e RDI: 00000000000ca85f RBP: ffffc9000dfceb50 R08: ffff888055502313 R09: 1ffff1100aaa0462 R10: dffffc0000000000 R11: ffffed100aaa0463 R12: ffff888012a10000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880348da014 FS: 00007f4823a436c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4823a00fe8 CR3: 000000001f0e8000 CR4: 0000000000352ef0