random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3851 at lib/debugobjects.c:263 debug_print_object+0x181/0x210 lib/debugobjects.c:260 ODEBUG: free active (active state 0) object type: work_struct hint: p9_read_work+0x0/0xac0 include/linux/workqueue.h:535 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3851 Comm: syz-executor720 Not tainted 4.9.111-g03c70fe #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8e674f0 ffffffff81eb2729 ffffffff83c48980 00000000ffffffff 0000000000000000 0000000000000000 0000000000000107 ffff8801d8e675b0 ffffffff814219f5 0000000041b58ab3 ffffffff843ba8c0 ffffffff81421836 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x3bc kernel/panic.c:179 [] __warn.cold.9+0xc1/0x17f kernel/panic.c:542 [] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565 [] debug_print_object+0x181/0x210 lib/debugobjects.c:260 [] __debug_check_no_obj_freed lib/debugobjects.c:720 [inline] [] debug_check_no_obj_freed+0x4fb/0x930 lib/debugobjects.c:749 [] slab_free_hook mm/slub.c:1348 [inline] [] slab_free_freelist_hook mm/slub.c:1377 [inline] [] slab_free mm/slub.c:2958 [inline] [] kfree+0x18d/0x310 mm/slub.c:3878 [] p9_fd_close+0x298/0x330 net/9p/trans_fd.c:890 [] p9_client_create+0x825/0x10a0 net/9p/client.c:1050 [] v9fs_session_init+0x333/0x13a0 fs/9p/v9fs.c:343 [] v9fs_mount+0x7d/0x810 fs/9p/vfs_super.c:130 [] mount_fs+0x28c/0x370 fs/super.c:1206 [] vfs_kern_mount.part.29+0xd1/0x3d0 fs/namespace.c:991 [] vfs_kern_mount fs/namespace.c:973 [inline] [] do_new_mount fs/namespace.c:2513 [inline] [] do_mount+0x3c9/0x2740 fs/namespace.c:2835 [] C_SYSC_mount fs/compat.c:810 [inline] [] compat_SyS_mount+0x4fc/0xff0 fs/compat.c:775 [] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline] [] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..