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: 49 Comm: kworker/u4:2 Not tainted 5.6.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-7:4) RIP: 0010:hfs_write_inode+0x46d/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 4a 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:ffff8881d9a2f788 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff1103b345ef4 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8881d9a2fa08 RDI: ffff8881c4ebecc0 RBP: ffff8881d9a2f8e8 R08: 0000000000000000 R09: ffffed103b606fe4 R10: ffffed103b606fe3 R11: ffff8881db037f1b R12: ffff8881c4ebec80 R13: dffffc0000000000 R14: ffff8881d9a2f8c0 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557fdcf470f0 CR3: 00000001c65e5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 wb_writeback+0x2a0/0x960 fs/fs-writeback.c:1892 wb_do_writeback fs/fs-writeback.c:2037 [inline] wb_workfn+0x331/0xf00 fs/fs-writeback.c:2078 process_one_work+0x852/0x1620 kernel/workqueue.c:2266 worker_thread+0x81/0xb80 kernel/workqueue.c:2412 kthread+0x334/0x3f0 kernel/kthread.c:255 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 021414cc2b4ac522 ]--- RIP: 0010:hfs_write_inode+0x46d/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 4a 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:ffff8881d9a2f788 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff1103b345ef4 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8881d9a2fa08 RDI: ffff8881c4ebecc0 RBP: ffff8881d9a2f8e8 R08: 0000000000000000 R09: ffffed103b606fe4 R10: ffffed103b606fe3 R11: ffff8881db037f1b R12: ffff8881c4ebec80 R13: dffffc0000000000 R14: ffff8881d9a2f8c0 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557fdcf470f0 CR3: 00000001c65e5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400