DMA32 free:18012kB min:4792kB low:7868kB high:10944kB active_anon:3176kB inactive_anon:2990736kB active_file:4kB inactive_file:0kB unevictable:4896kB writepending:0kB present:3145324kB managed:3079672kB mlocked:4896kB kernel_stack:8480kB pagetables:30460kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ------------[ cut here ]------------ lowmem_reserve[]: WARNING: CPU: 0 PID: 13981 at net/ipv4/tcp_timer.c:429 tcp_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429 Kernel panic - not syncing: panic_on_warn set ... 0 CPU: 0 PID: 13981 Comm: syz-executor.3 Not tainted 4.14.145+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 panic+0x1ea/0x3d3 kernel/panic.c:182 __warn.cold+0x2f/0x3a kernel/panic.c:546 3437 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295 3437 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963 Normal free:5436kB min:5480kB low:9000kB high:12520kB active_anon:341384kB inactive_anon:2490696kB active_file:80kB inactive_file:20kB unevictable:85532kB writepending:4kB present:4718592kB managed:3521568kB mlocked:85532kB kernel_stack:13024kB pagetables:41168kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB RIP: 0010:tcp_retransmit_timer+0x1a66/0x2590 net/ipv4/tcp_timer.c:429 RSP: 0018:ffff8881db807c78 EFLAGS: 00010206 RAX: ffff8881a3d3c680 RBX: ffff8881c7f9bb00 RCX: 0000000000000001 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8881d2469ec8 RBP: ffff8881d2469500 R08: ffff88821ffff01c R09: ffff88821ffff008 R10: ffff88821ffff017 R11: ffff88821ffff010 R12: ffff8881d2469b9a R13: ffff8881d2469530 R14: 0000000000000000 R15: ffff8881d2469d0c lowmem_reserve[]: tcp_write_timer_handler+0x43d/0x780 net/ipv4/tcp_timer.c:579 tcp_write_timer+0xc9/0x170 net/ipv4/tcp_timer.c:597 call_timer_fn+0x15b/0x6a0 kernel/time/timer.c:1279 0 expire_timers+0x227/0x4c0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1634 [inline] run_timer_softirq+0x1eb/0x5d0 kernel/time/timer.c:1647 0 __do_softirq+0x234/0x9ec kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x114/0x150 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x1a7/0x650 arch/x86/kernel/apic/apic.c:1102 0 apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x170/0x360 kernel/locking/lockdep.c:3994 RSP: 0018:ffff8881a619f420 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: ffff8881a3d3c680 RCX: 1ffff110347a79e4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246 RBP: ffff8881d55b8558 R08: 00000000000012b5 R09: 0000000000000002 DMA32: R10: ffff8881a3d3cf00 R11: ad8bcb88e694a1ab R12: 0000000000000000 521*4kB R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 (UME) spin_lock include/linux/spinlock.h:317 [inline] __list_lru_count_one mm/list_lru.c:167 [inline] list_lru_count_one+0x7f/0x1d0 mm/list_lru.c:178 list_lru_shrink_count include/linux/list_lru.h:118 [inline] super_cache_count+0x133/0x2b0 fs/super.c:143 do_shrink_slab mm/vmscan.c:329 [inline] shrink_slab.part.0+0x255/0xae0 mm/vmscan.c:505 59*8kB (UME) shrink_slab mm/vmscan.c:469 [inline] shrink_node+0x895/0xc30 mm/vmscan.c:2671 74*16kB shrink_zones mm/vmscan.c:2818 [inline] do_try_to_free_pages+0x350/0xd80 mm/vmscan.c:2876 (UME) 166*32kB (UME) try_to_free_pages+0x27c/0x710 mm/vmscan.c:3082 76*64kB (UE) __perform_reclaim mm/page_alloc.c:3659 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3681 [inline] __alloc_pages_slowpath mm/page_alloc.c:4068 [inline] __alloc_pages_nodemask+0xaee/0x2370 mm/page_alloc.c:4277 22*128kB __alloc_pages include/linux/gfp.h:461 [inline] __alloc_pages_node include/linux/gfp.h:474 [inline] alloc_pages_node include/linux/gfp.h:488 [inline] __page_cache_alloc include/linux/pagemap.h:226 [inline] pagecache_get_page+0x246/0x7e0 mm/filemap.c:1516 (UE) filemap_fault+0x8da/0x18a0 mm/filemap.c:2517 3*256kB ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6196 (U) __do_fault+0x100/0x380 mm/memory.c:3223 1*512kB (M) do_shared_fault mm/memory.c:3688 [inline] do_fault mm/memory.c:3763 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0xfdf/0x2700 mm/memory.c:4113 0*1024kB 0*2048kB 0*4096kB handle_mm_fault+0x2f1/0x6da mm/memory.c:4150 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420 = 18012kB page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122 Normal: RIP: 80000000:0x7f2a2756a008 RSP: 7adfc5aa:0000000000000084 EFLAGS: 0075bfa8 Kernel Offset: 0x2c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..