RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000 R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003 CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: 0-...!: (1 GPs behind) idle=9ea/1/0x4000000000000002 softirq=13077/13078 fqs=211 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 rcu: (detected by 1, t=10540 jiffies, g=15149, q=9) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:write_comp_data+0x1/0x70 kernel/kcov.c:116 Code: b5 4c 43 00 e9 a6 fc ff ff 4c 89 f7 e8 08 4c 43 00 e9 6f fc ff ff e8 5e ef c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <65> 4c 8b 04 25 40 ee 01 00 65 8b 05 ff 1e 83 7e a9 00 01 1f 00 48 RSP: 0000:ffff8801dac06258 EFLAGS: 00000046 RAX: 0000000000000007 RBX: ffffffff882c2fcc RCX: ffffffff87bc30f9 RDX: 000000000000005d RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff8801dac06268 R08: ffff8801ce2862c0 R09: fffffbfff12f29d4 R10: fffffbfff12f29d4 R11: ffffffff89794ea3 R12: 000000000000005d R13: ffff8801dac06398 R14: ffff8801dac062f8 R15: ffffffff882c2fcc FS: 00007fa79edc7700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045db60 CR3: 00000001a237b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: format_decode+0x199/0xaf0 lib/vsprintf.c:2028 vsnprintf+0x185/0x1b60 lib/vsprintf.c:2245 snprintf+0xae/0xe0 lib/vsprintf.c:2426 print_time kernel/printk/printk.c:1223 [inline] print_prefix+0x38e/0x3f0 kernel/printk/printk.c:1248 msg_print_text+0x83/0x1d0 kernel/printk/printk.c:1271 console_unlock+0x673/0x11a0 kernel/printk/printk.c:2381 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926 vprintk_default+0x28/0x30 kernel/printk/printk.c:1967 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398 printk+0xa7/0xcf kernel/printk/printk.c:2000 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline] show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258 show_stack+0x38/0x3a arch/x86/kernel/dumpstack.c:293 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282 RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_a2323609a0d1adb1+0xac1/0x1000 ? bpf_test_init.isra. Lost 19 message(s)! rcu: rcu_preempt kthread starved for 9527 jiffies! g15149 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 22872 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 kthread+0x35a/0x420 kernel/kthread.c:246 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / mems_allowed=0 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282 RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_a2323609a0d1adb1+0xac1/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93 Mem-Info: active_anon:39892 inactive_anon:371 isolated_anon:0 active_file:19 inactive_file:15 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8825 slab_unreclaimable:1466765 mapped:49347 shmem:379 pagetables:672 bounce:0 free:13588 free_pcp:232 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 0 2815 6318 6318 Node 0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (M) = 15908kB Node 0 DMA32: 4*4kB (ME) 3*8kB (ME) 3*16kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 (UME) 3*32kB (UME) 4*64kB fallback_alloc+0x203/0x2e0 mm/slab.c:3219 (UME) ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 5*128kB (UME) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 4*256kB (UME) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 4*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 3*4096kB (M) = 24632kB Node 0 Normal: 959*4kB alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 (ME) ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 437*8kB (UME) addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 173*16kB (UME) call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 89*32kB (UME) 14*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 413 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 343323 pages reserved 0 pages cma reserved INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.852 msecs ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset= syz5 mems_allowed=0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01 RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282 RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080 R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237 pr_cont_cgroup_name include/linux/cgroup.h:652 [inline] cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670 dump_header+0x276/0xf72 mm/oom_kill.c:440 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f1f893111fd Code: Bad RIP value. RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293 RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000 R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003 CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 rsyslogd cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282 RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_a2323609a0d1adb1+0xac1/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93 Mem-Info: active_anon:39892 inactive_anon:371 isolated_anon:0 active_file:19 inactive_file:15 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8825 slab_unreclaimable:1466765 mapped:49347 shmem:379 pagetables:672 bounce:0 free:13588 free_pcp:232 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lowmem_reserve[]: 0 2815 6318 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 6318 Node 0 DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 3503 3503 Node 0 Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (ME) 3*8kB (ME) 3*16kB (UME) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 3*32kB (UME) 4*64kB (UME) 5*128kB (UME) 4*256kB (UME) 4*512kB (ME) 4*1024kB (ME) 2*2048kB (ME) 3*4096kB (M) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 = 24632kB Node 0 Normal: fallback_alloc+0x203/0x2e0 mm/slab.c:3219 959*4kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (ME) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 437*8kB (UME) 173*16kB __alloc_skb+0x119/0x770 net/core/skbuff.c:193 (UME) 89*32kB (UME) 14*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 0*4096kB ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 = 13844kB addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 413 total pagecache pages call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 343323 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset= syz5 mems_allowed=0 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01 RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282 RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080 R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237 pr_cont_cgroup_name include/linux/cgroup.h:652 [inline] cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670 dump_header+0x276/0xf72 mm/oom_kill.c:440 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f1f893111fd Code: Bad RIP value. RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293 RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000 R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003 CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 / mems_allowed=0 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282 RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_a2323609a0d1adb1+0xac1/0x1000 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 5272 Comm: rsyslogd Not tainted 4.19.0-rc2+ #93 Mem-Info: active_anon:39892 inactive_anon:371 isolated_anon:0 active_file:19 inactive_file:15 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:8825 slab_unreclaimable:1466765 mapped:49347 shmem:379 pagetables:672 bounce:0 free:13588 free_pcp:232 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:159568kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197388kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 lowmem_reserve[]: 0 2815 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 6318 6318 Node 0 DMA32 free:24632kB min:30036kB low:37544kB high:45052kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 0 3503 3503 Node 0 Normal free:13812kB min:37376kB low:46720kB high:56064kB active_anon:151476kB inactive_anon:1484kB active_file:76kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2688kB bounce:0kB free_pcp:680kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 (ME) 3*8kB (ME) 3*16kB (UME) 3*32kB (UME) 4*64kB (UME) 5*128kB (UME) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 4*256kB (UME) fallback_alloc+0x203/0x2e0 mm/slab.c:3219 4*512kB ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 (ME) slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 4*1024kB (ME) __alloc_skb+0x119/0x770 net/core/skbuff.c:193 2*2048kB (ME) 3*4096kB (M) = 24632kB Node 0 Normal: 959*4kB (ME) alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 437*8kB (UME) ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 173*16kB (UME) addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 89*32kB (UME) 14*64kB call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 413 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 0 pages HighMem/MovableOnly 343323 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor5 cpuset= syz5 mems_allowed=0 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xaf/0xd0 kernel/locking/spinlock.c:184 Code: a8 29 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d 50 09 b2 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 5c 5d 40 f9 eb bb 0f 0b 0f 0b e8 3a fa 01 RSP: 0018:ffff8801bf95e228 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 1ffff10037abe9fe RDX: 1ffffffff12e4535 RSI: ffff8801bd5f4ff8 RDI: 0000000000000282 RBP: ffff8801bf95e238 R08: ffff8801bd5f4ff0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801bd5f4700 R12: ffffffff89889080 R13: ffff8801bd5f5790 R14: ffffffff897c26e0 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] pr_cont_kernfs_name+0x54/0x60 fs/kernfs/dir.c:237 pr_cont_cgroup_name include/linux/cgroup.h:652 [inline] cpuset_print_current_mems_allowed.cold.39+0x9c/0x1a7 kernel/cgroup/cpuset.c:2670 dump_header+0x276/0xf72 mm/oom_kill.c:440 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 page_cache_read mm/filemap.c:2385 [inline] filemap_fault+0x1594/0x25f0 mm/filemap.c:2569 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x7f1f893111fd Code: Bad RIP value. RSP: 002b:00007f1f868b0e30 EFLAGS: 00010293 RAX: 0000000000000ff2 RBX: 00000000021fd670 RCX: 00007f1f893111fd RDX: 0000000000000fff RSI: 00007f1f880e55a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000021e8260 R09: 0000000000000000 R10: 6b205d3035363837 R11: 0000000000000293 R12: 000000000065e420 R13: 00007f1f868b19c0 R14: 00007f1f89956040 R15: 0000000000000003 CPU: 0 PID: 9442 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #93 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426 rsyslogd cpuset= / mems_allowed=0 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x3c0/0x6f0 net/ipv6/addrconf.c:3819 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695 __do_softirq+0x30b/0xad8 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3385 [inline] RIP: 0010:kmem_cache_alloc+0x297/0x730 mm/slab.c:3552 Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 RSP: 0000:ffff8801cf34f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801ce286b40 RDI: 0000000000000282 RBP: ffff8801cf34f7b0 R08: ffff8801ce2862c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_a2323609a0d1adb1+0xac1/0x1000