RDX: 0000000000000002 RSI: 000000c4200581e0 RDI: 000000c4272e3b90
RBP: 000000c4272e3bf8 R08: 000000c4200581e0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 000000c4272e3b90
R13: 000000c4272e3b90 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
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: 	(detected by 0, t=10566 jiffies, g=48889, q=956)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: All QSes seen, last rcu_preempt kthread activity 10548 (4294985522-4294974974), jiffies_till_next_fqs=1, root ->qsmask 0x0
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer      R
  running task    
 8984  5325   5319 0x80000008
Call Trace:
 <IRQ>
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
 print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
 check_cpu_stall kernel/rcu/tree.c:1557 [inline]
 __rcu_pending kernel/rcu/tree.c:3276 [inline]
 rcu_pending kernel/rcu/tree.c:3319 [inline]
 rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
 __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
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
 bpf_prog_3aea14b1f6cd0d8b+0x2be/0x1000
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
 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_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node+0x247/0x730 mm/slab.c:3642
Code: 40 7e 0f 85 32 ff ff ff e8 05 d3 3e ff e9 28 ff ff ff e8 1c 30 c3 ff 48 83 3d bc 7e b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 f2 7a
RSP: 0018:ffff8801dac073d8 EFLAGS: 00000282
 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10037672583
RDX: 0000000000000000 RSI: ffff8801bb392c20 RDI: 0000000000000282
RBP: ffff8801dac07448 R08: ffff8801bb392c18 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8801bb392300 R12: ffff8801d9be7680
R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:44998 inactive_anon:607 isolated_anon:0
 active_file:18 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8868 slab_unreclaimable:1478262
 mapped:49348 shmem:614 pagetables:621 bounce:0
 free:13739 free_pcp:258 free_cma:0
Node 0 active_anon:179992kB inactive_anon:2428kB active_file:72kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197392kB dirty:0kB writeback:0kB shmem:2456kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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
lowmem_reserve[]: 0
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
 2815 6318
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
 6318
Node 0 
DMA32 free:25044kB min:30036kB low:37544kB high:45052kB active_anon:132kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0 3503
 3503
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
Node 0 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
Normal free:14004kB min:37376kB low:46720kB high:56064kB active_anon:179860kB inactive_anon:2428kB active_file:316kB inactive_file:420kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2484kB bounce:0kB free_pcp:1032kB local_pcp:316kB 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 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(U) 
1*256kB 
(U) 
0*512kB 
1*1024kB 
(U) 1*2048kB 
(M) 
3*4096kB (M) 
= 15908kB
Node 0 
DMA32: 
1*4kB 
(M) 2*8kB 
(M) 
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
2*16kB (UM) 
1*32kB 
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
(M) 
2*64kB 
(M) 
4*128kB (M) 
3*256kB 
(M) 
4*512kB (M) 
3*1024kB 
(UM) 
3*2048kB 
(M) 
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
3*4096kB 
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
(M) 
= 25044kB
Node 0 
Normal: 
1001*4kB 
(UME) 
403*8kB 
(UME) 
181*16kB (UME) 
82*32kB 
(UME) 
26*64kB (UM) 
0*128kB 
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
0*256kB 
 </IRQ>
0*512kB 
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
0*1024kB 
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 0d 08 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 5a 91 5d 00 e9 08 f4 ff ff e8 80
0*2048kB 
RSP: 0018:ffff8801bb3ed4d0 EFLAGS: 00000293
0*4096kB 
 ORIG_RAX: ffffffffffffff13
= 14412kB
RAX: ffff8801bb392300 RBX: 0000000000000200 RCX: 1ffff1003767257e
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
RBP: ffff8801bb3ed630 R08: ffff8801bb392bf0 R09: 0000000000000006
651 total pagecache pages
0 pages in swap cache
R10: 0000000000000000 R11: ffff8801bb392300 R12: dffffc0000000000
Swap cache stats: add 0, delete 0, find 0/0
R13: ffffffff848d7760 R14: ffffffff89d9bf90 R15: dffffc0000000000
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
343324 pages reserved
0 pages cma reserved
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4
 mems_allowed=0
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
 vprintk_emit+0x33d/0x930 kernel/printk/printk.c:1926
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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 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
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 show_node mm/page_alloc.c:4695 [inline]
 show_free_areas.cold.119+0x1296/0x215d mm/page_alloc.c:4953
 __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
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 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_3aea14b1f6cd0d8b+0x2be/0x1000
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4
 mems_allowed=0
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:952
 out_of_memory+0xa86/0x14c0 mm/oom_kill.c:1112
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
 __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
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_3aea14b1f6cd0d8b+0x2be/0x1000
 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
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4
 mems_allowed=0
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
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
 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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 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
 __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
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
RIP: 0033:0x791b90
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
Code: Bad RIP value.
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
RSP: 002b:000000c4272e3a98 EFLAGS: 00010206
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
RAX: 0000000000000000 RBX: 000000c4272e3bf0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 000000c4200581e0 RDI: 000000c4272e3b90
RBP: 000000c4272e3bf8 R08: 000000c4200581e0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 000000c4272e3b90
R13: 000000c4272e3b90 R14: 0000000000000000 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 10548 jiffies! g48889 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R
  running task    
22360    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_3aea14b1f6cd0d8b+0x2be/0x1000
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4
 mems_allowed=0
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
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
 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
 kthread+0x35a/0x420 kernel/kthread.c:246
 __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
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
aoe: skb alloc failure
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
syz-fuzzer cpuset=
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
/
 skb_clone+0x1bb/0x500 net/core/skbuff.c:1283
 mems_allowed=0
 ____bpf_clone_redirect net/core/filter.c:2075 [inline]
 bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062
 bpf_prog_3aea14b1f6cd0d8b+0x2be/0x1000
warn_alloc_show_mem: 3 callbacks suppressed
CPU: 0 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #100
Mem-Info:
active_anon:44998 inactive_anon:607 isolated_anon:0
 active_file:18 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8868 slab_unreclaimable:1478262
 mapped:49348 shmem:614 pagetables:621 bounce:0
 free:13739 free_pcp:258 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:179992kB inactive_anon:2428kB active_file:72kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197392kB dirty:0kB writeback:0kB shmem:2456kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
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
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 2815
 6318 6318
Node 0 
DMA32 free:25044kB min:30036kB low:37544kB high:45052kB active_anon:132kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 0 0
 3503 3503
Node 0 
Normal free:14004kB min:37376kB low:46720kB high:56064kB active_anon:179860kB inactive_anon:2428kB active_file:316kB inactive_file:420kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2484kB bounce:0kB free_pcp:1032kB local_pcp:316kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
1*4kB 
(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
2*8kB 
(M) 2*16kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*32kB (M) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
2*64kB 
(M) 
4*128kB (M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
3*256kB (M) 
4*512kB 
(M) 
3*1024kB 
(UM) 
3*2048kB 
(M) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
3*4096kB (M) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
= 25044kB
Node 0 
Normal: 
1001*4kB 
(UME) 
403*8kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
(UME) 181*16kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UME) 
82*32kB 
(UME) 
26*64kB 
(UM) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 
0*2048kB 
0*4096kB 
= 14412kB
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
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
651 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
0 pages HighMem/MovableOnly
343324 pages reserved
0 pages cma reserved
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4 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
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 0d 08 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 5a 91 5d 00 e9 08 f4 ff ff e8 80
RSP: 0018:ffff8801bb3ed4d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bb392300 RBX: 0000000000000200 RCX: 1ffff1003767257e
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bb3ed630 R08: ffff8801bb392bf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bb392300 R12: dffffc0000000000
R13: ffffffff848d7760 R14: ffffffff89d9bf90 R15: dffffc0000000000
 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
 show_node mm/page_alloc.c:4695 [inline]
 show_free_areas.cold.119+0x1296/0x215d mm/page_alloc.c:4953
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 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: 0033:0x791b90
Code: Bad RIP value.
RSP: 002b:000000c4272e3a98 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000c4272e3bf0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 000000c4200581e0 RDI: 000000c4272e3b90
RBP: 000000c4272e3bf8 R08: 000000c4200581e0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 000000c4272e3b90
R13: 000000c4272e3b90 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-fuzzer cpuset=
/
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
 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
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 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_3aea14b1f6cd0d8b+0x2be/0x1000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #100
Mem-Info:
active_anon:44998 inactive_anon:607 isolated_anon:0
 active_file:18 inactive_file:11 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:8868 slab_unreclaimable:1478262
 mapped:49348 shmem:614 pagetables:621 bounce:0
 free:13739 free_pcp:258 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:179992kB inactive_anon:2428kB active_file:72kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197392kB dirty:0kB writeback:0kB shmem:2456kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 165888kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 0 
 <IRQ>
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:25044kB min:30036kB low:37544kB high:45052kB active_anon:132kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887240kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:14004kB min:37376kB low:46720kB high:56064kB active_anon:179860kB inactive_anon:2428kB active_file:316kB inactive_file:420kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5248kB pagetables:2484kB bounce:0kB free_pcp:1032kB local_pcp:316kB 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 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
DMA32: 
1*4kB 
(M) 
2*8kB 
 __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
(M) 
2*16kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*32kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
2*64kB 
(M) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*128kB 
(M) 
3*256kB 
(M) 
4*512kB (M) 
3*1024kB 
(UM) 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
3*2048kB 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
(M) 
3*4096kB 
(M) 
= 25044kB
Node 0 
Normal: 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
1001*4kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UME) 
403*8kB 
(UME) 
181*16kB (UME) 
82*32kB 
(UME) 
26*64kB 
(UM) 
0*128kB 
0*256kB 
0*512kB 
0*1024kB 0*2048kB 
0*4096kB 
= 14412kB
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
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
651 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
0 pages HighMem/MovableOnly
343324 pages reserved
0 pages cma reserved
syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor4 cpuset=
syz4 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
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline]
RIP: 0010:console_unlock+0x1017/0x11a0 kernel/printk/printk.c:2411
Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 0d 08 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 5a 91 5d 00 e9 08 f4 ff ff e8 80
RSP: 0018:ffff8801bb3ed4d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801bb392300 RBX: 0000000000000200 RCX: 1ffff1003767257e
RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293
RBP: ffff8801bb3ed630 R08: ffff8801bb392bf0 R09: 0000000000000006
R10: 0000000000000000 R11: ffff8801bb392300 R12: dffffc0000000000
R13: ffffffff848d7760 R14: ffffffff89d9bf90 R15: dffffc0000000000
 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
 show_node mm/page_alloc.c:4695 [inline]
 show_free_areas.cold.119+0x1296/0x215d mm/page_alloc.c:4953
 show_mem+0x34/0x17b lib/show_mem.c:18
 dump_header+0x2f1/0xf72 mm/oom_kill.c:445
 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: 0033:0x791b90
Code: Bad RIP value.
RSP: 002b:000000c4272e3a98 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 000000c4272e3bf0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 000000c4200581e0 RDI: 000000c4272e3b90
RBP: 000000c4272e3bf8 R08: 000000c4200581e0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 000000c4272e3b90
R13: 000000c4272e3b90 R14: 0000000000000000 R15: 0000000000000000
CPU: 1 PID: 12802 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #100
aoe: skb alloc failure
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
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.118+0xb7/0x1bd mm/page_alloc.c:3426
syz-fuzzer 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
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552