device bridge0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready device bridge0 left promiscuous mode ------------[ cut here ]------------ kernel BUG at drivers/vhost/vhost.c:1652! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3549 Comm: syz-executor1 Not tainted 4.16.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:set_bit_to_user drivers/vhost/vhost.c:1652 [inline] RIP: 0010:log_write+0x42a/0x4d0 drivers/vhost/vhost.c:1676 RSP: 0018:ffff8801b1657920 EFLAGS: 00010212 RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc900024b3000 RDX: 000000000000005f RSI: ffffffff85924cea RDI: 0000000000000005 RBP: ffff8801b1657a58 R08: ffff8801ce89a340 R09: ffffed0030eb005d R10: ffff8801b1657ad8 R11: ffff8801875802ef R12: 0001ffffffffffff R13: ffffed00362caf36 R14: 0000000000000000 R15: ffff8801b1657a30 FS: 00007fab5b876700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 00000001d40e7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: could not allocate digest TFM handle rmd256-generic vhost_update_used_flags+0x3af/0x4a0 drivers/vhost/vhost.c:1723 vhost_vq_init_access+0x117/0x590 drivers/vhost/vhost.c:1763 vhost_vsock_start drivers/vhost/vsock.c:446 [inline] vhost_vsock_dev_ioctl+0x751/0x920 drivers/vhost/vsock.c:678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1cf/0x1650 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 SYSC_ioctl fs/ioctl.c:708 [inline] SyS_ioctl+0x24/0x30 fs/ioctl.c:706 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4552d9 RSP: 002b:00007fab5b875c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fab5b8766d4 RCX: 00000000004552d9 RDX: 0000000020f82ffc RSI: 000000004004af61 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 could not allocate digest TFM handle rmd256-generic®Žj R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000351 R14: 00000000006f8038 R15: 0000000000000000 Code: e8 7c 5e e4 fb 4c 89 ef e8 e4 16 06 fc 48 8d 85 58 ff ff ff 48 c1 e8 03 c6 04 18 f8 e9 46 ff ff ff 45 31 f6 eb 91 e8 56 5e e4 fb <0f> 0b e8 4f 5e e4 fb 48 c7 c6 a0 a3 24 88 4c 89 ef e8 60 b6 10 RIP: set_bit_to_user drivers/vhost/vhost.c:1652 [inline] RSP: ffff8801b1657920 RIP: log_write+0x42a/0x4d0 drivers/vhost/vhost.c:1676 RSP: ffff8801b1657920 ---[ end trace f0af35346b92a9b0 ]---