IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 hfs: unable to locate alternate MDB hfs: continuing without an alternate MDB ------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:441! invalid opcode: 0000 [#1] SMP KASAN CPU: 0 PID: 69 Comm: kworker/u4:2 Not tainted 5.7.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:hfs_write_inode+0x470/0xa50 fs/hfs/inode.c:441 Code: c4 38 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 83 f8 03 0f 84 9f 00 00 00 48 83 f8 04 74 0c 48 83 f8 02 0f 84 47 fc ff ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 28 48 89 fa 48 c1 RSP: 0018:ffff8881d9b67788 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff1103b36cef4 RCX: 0000000000000000 hfs: unable to locate alternate MDB RDX: 0000000000000000 RSI: ffff8881d9b67a08 RDI: ffff8881c91687d8 RBP: ffff8881d9b678e8 R08: 0000000000000000 R09: ffffed103b60706c R10: ffff8881db03835b R11: ffffed103b60706b R12: ffff8881c9168798 R13: dffffc0000000000 R14: ffff8881d9b678c0 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea444ac68 CR3: 00000001cb0fc000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hfs: continuing without an alternate MDB DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs: unable to locate alternate MDB write_inode fs/fs-writeback.c:1312 [inline] __writeback_single_inode+0x8da/0xda0 fs/fs-writeback.c:1511 writeback_sb_inodes+0x47d/0xf10 fs/fs-writeback.c:1716 hfs: continuing without an alternate MDB wb_writeback+0x2a0/0x960 fs/fs-writeback.c:1892 hfs: unable to locate alternate MDB wb_do_writeback fs/fs-writeback.c:2037 [inline] wb_workfn+0x2d2/0xe20 fs/fs-writeback.c:2078 hfs: continuing without an alternate MDB process_one_work+0x85a/0x1630 kernel/workqueue.c:2268 hfs: unable to locate alternate MDB worker_thread+0x81/0xb80 kernel/workqueue.c:2414 kthread+0x342/0x400 kernel/kthread.c:268 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:351 hfs: continuing without an alternate MDB Modules linked in: ---[ end trace 8fd9c4e1c0969ee2 ]--- hfs: unable to locate alternate MDB RIP: 0010:hfs_write_inode+0x470/0xa50 fs/hfs/inode.c:441 Code: c4 38 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 83 f8 03 0f 84 9f 00 00 00 48 83 f8 04 74 0c 48 83 f8 02 0f 84 47 fc ff ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 28 48 89 fa 48 c1 hfs: continuing without an alternate MDB RSP: 0018:ffff8881d9b67788 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff1103b36cef4 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8881d9b67a08 RDI: ffff8881c91687d8 RBP: ffff8881d9b678e8 R08: 0000000000000000 R09: ffffed103b60706c R10: ffff8881db03835b R11: ffffed103b60706b R12: ffff8881c9168798 R13: dffffc0000000000 R14: ffff8881d9b678c0 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea444ac68 CR3: 00000001cb0fc000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400