random: sshd: uninitialized urandom read (32 bytes read, 112 bits of entropy available) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3309 at mm/page_alloc.c:3069 __alloc_pages_slowpath mm/page_alloc.c:3069 [inline]() WARNING: CPU: 1 PID: 3309 at mm/page_alloc.c:3069 __alloc_pages_nodemask+0x62a/0x16e0 mm/page_alloc.c:3315() Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3309 Comm: syzkaller397373 Not tainted 4.4.106-g1700518 #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 0bcf11e59ac9650b ffff8801d088f458 ffffffff81d02f7d ffffffff838429a0 ffff8801d088f530 ffffffff83899f80 0000000000000009 0000000000000bfd ffff8801d088f520 ffffffff8141654a 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x1aa/0x388 kernel/panic.c:112 [] warn_slowpath_common+0x125/0x140 kernel/panic.c:455 [] warn_slowpath_null+0x29/0x30 kernel/panic.c:492 [] __alloc_pages_slowpath mm/page_alloc.c:3069 [inline] [] __alloc_pages_nodemask+0x62a/0x16e0 mm/page_alloc.c:3315 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_pages_node include/linux/gfp.h:442 [inline] [] alloc_kmem_pages+0x12/0x20 mm/page_alloc.c:3494 [] kmalloc_order+0x1f/0x70 mm/slab_common.c:1014 [] kmalloc_order_trace+0x1f/0x1a0 mm/slab_common.c:1025 [] kmalloc_large include/linux/slab.h:408 [inline] [] __kmalloc+0x1a6/0x320 mm/slub.c:3602 [] kmalloc include/linux/slab.h:481 [inline] [] relay_create_buf kernel/relay.c:172 [inline] [] relay_open_buf.part.12+0xc8/0x930 kernel/relay.c:445 [] relay_open_buf kernel/relay.c:442 [inline] [] relay_open+0x472/0x760 kernel/relay.c:600 [] do_blk_trace_setup+0x3e9/0x950 kernel/trace/blktrace.c:501 [] blk_trace_setup+0xcf/0x170 kernel/trace/blktrace.c:545 [] blk_trace_ioctl+0x1de/0x300 kernel/trace/blktrace.c:654 [] blkdev_ioctl+0xa97/0x1990 block/ioctl.c:570 [] block_ioctl+0xde/0x120 fs/block_dev.c:1625 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x7aa/0xee0 fs/ioctl.c:607 [] SYSC_ioctl fs/ioctl.c:622 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613 [] entry_SYSCALL_64_fastpath+0x16/0x76 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..