CPU: 1 PID: 5815 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
 <IRQ>
rcu: 	1-...!: (1 GPs behind) idle=532/1/0x4000000000000002 softirq=17335/17338 fqs=2 
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
rcu: 	(detected by 0, t=10502 jiffies, g=21357, q=46)
Sending NMI from CPU 0 to CPUs 1:
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
NMI backtrace for cpu 1
CPU: 1 PID: 5815 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_cmp8+0x0/0x20 kernel/kcov.c:163
Code: ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 04 00 00 00 48 89 e5 48 8b 4d 08 e8 ea fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 <55> 48 89 f2 48 89 fe bf 06 00 00 00 48 89 e5 48 8b 4d 08 e8 c8 fe
RSP: 0000:ffff8801daf06158 EFLAGS: 00000006
RAX: ffff8801d7b660c0 RBX: ffffffff81a1bd77 RCX: ffffffff81748e13
RDX: 0000000000000100 RSI: ffffffff8bc26000 RDI: ffffffff81a1bd77
RBP: ffff8801daf06198 R08: ffff8801d7b660c0 R09: fffffbfff15d4568
R10: fffffbfff15d4568 R11: ffffffff8aea2b42 R12: ffff8801daf06258
R13: ffff8801daf06218 R14: ffff8801daf06320 R15: ffffffff8bc26000
FS:  00000000014cea28(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045db36 CR3: 00000001bc16e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sprint_symbol+0xc6/0x290 kernel/kallsyms.c:361
 sprint_backtrace+0x27/0x40 kernel/kallsyms.c:429
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 symbol_string+0x1e7/0x210 lib/vsprintf.c:694
 __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
 pointer+0x6f4/0x990 lib/vsprintf.c:1879
 ____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
 vsnprintf+0x639/0x1b60 lib/vsprintf.c:2297
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
 vscnprintf+0x2d/0x80 lib/vsprintf.c:2396
 vprintk_store+0x43/0x510 kernel/printk/printk.c:1847
 vprintk_emit+0x1c1/0x930 kernel/printk/printk.c:1905
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963
 vprintk_func+0x7e/0x181 kernel/printk/printk_safe.c:398
 alloc_skb include/linux/skbuff.h:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 printk+0xa7/0xcf kernel/printk/printk.c:1996
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 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
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 __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:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
RSP: 0000:ffff8801bbee6238 EFLAGS: 00000293
 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7b660c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293
RBP: ffff8801bbee6240 R08: ffff8801d7b660c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 __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+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bbee6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7b660c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293
RBP: ffff8801bbee6240 R08: ffff8801d7b660c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
R13: 0000000000000200 R14: 0000000000000001 R15: fffffff
Lost 166 message(s)!
rcu: rcu_preempt kthread starved for 10498 jiffies! g21357 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    
22784    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 __alloc_pages_may_oom mm/page_alloc.c:3522 [inline]
 __alloc_pages_slowpath+0x2318/0x2d80 mm/page_alloc.c:4235
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 __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:6259
 __do_fault+0x100/0x6b0 mm/memory.c:3240
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
 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
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor1 cpuset=
syz1
 mems_allowed=0
 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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420009ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
RBP: 00007ffc7db54800 R08: 0000000000000002 R09: 000000c4269f7ae8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420126180 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11754 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #119
Mem-Info:
active_anon:57405 inactive_anon:539 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9231 slab_unreclaimable:1477469
 mapped:8194 shmem:546 pagetables:466 bounce:0
 free:13678 free_pcp:497 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:229620kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:2184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB 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.119+0xb7/0x1bd mm/page_alloc.c:3426
 2819
 6323
 6323
Node 0 
 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297
DMA32 free:24804kB min:30060kB low:37572kB high:45084kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0
 0
 3503
 3503
Node 0 
Normal free:14000kB min:37352kB low:46688kB high:56024kB active_anon:215284kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:1864kB bounce:0kB free_pcp:1740kB local_pcp:1432kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
1*2048kB 
(M) 
3*4096kB 
(M) 
= 15908kB
Node 0 
 __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
DMA32: 
3*4kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
1*8kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(M) 
3*16kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
3*32kB 
(UM) 
5*64kB 
(UM) 
4*128kB 
(UM) 
3*256kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(M) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
3*512kB 
(M) 
3*1024kB 
(UM) 
3*2048kB 
(UM) 
3*4096kB 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
(M) 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
= 24804kB
Node 0 
Normal: 
948*4kB 
(UMEH) 
402*8kB 
(ME) 
197*16kB 
(UME) 
63*32kB 
(UME) 
3*64kB 
(UM) 1*128kB 
(U) 
0*256kB 
1*512kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
(U) 
1*1024kB 
(U) 
0*2048kB 
0*4096kB 
= 14032kB
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
573 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
342307 pages reserved
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.806 msecs
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
/
 mems_allowed=0
 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:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 23
RSP: 0000:ffff880198edf4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000427e000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff880198edf520 R08: ffff8801be2c4080 R09: fffffbfff12720c0
R10: ffff880198ede0f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x101/0x1000
CPU: 1 PID: 5815 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor1 cpuset=
syz1
 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:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 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
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bbee6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7b660c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293
RBP: ffff8801bbee6240 R08: ffff8801d7b660c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __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:6259
 __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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420009ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
RBP: 00007ffc7db54800 R08: 0000000000000002 R09: 000000c4269f7ae8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420126180 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11754 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #119
Mem-Info:
active_anon:57405 inactive_anon:539 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9231 slab_unreclaimable:1477469
 mapped:8194 shmem:546 pagetables:466 bounce:0
 free:13678 free_pcp:497 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:229620kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:2184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB 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
 2819
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 6323
 6323
Node 0 
DMA32 free:24804kB min:30060kB low:37572kB high:45084kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB 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:14000kB min:37352kB low:46688kB high:56024kB active_anon:215284kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:1864kB bounce:0kB free_pcp:1740kB local_pcp:1432kB 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: 
3*4kB 
(UM) 
1*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) 
3*16kB 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
(UM) 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
3*32kB 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
(UM) 
5*64kB 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
(UM) 
4*128kB 
(UM) 
3*256kB 
(M) 
3*512kB 
(M) 
3*1024kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(UM) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
3*2048kB 
(UM) 
3*4096kB 
(M) 
= 24804kB
Node 0 
Normal: 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
948*4kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(UMEH) 
402*8kB 
(ME) 
197*16kB 
(UME) 
63*32kB 
(UME) 
3*64kB 
(UM) 
1*128kB 
(U) 
0*256kB 
1*512kB 
(U) 
1*1024kB 
(U) 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
0*2048kB 
0*4096kB 
= 14032kB
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
573 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-fuzzer cpuset=
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
/
 mems_allowed=0
 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:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 23
RSP: 0000:ffff880198edf4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000427e000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff880198edf520 R08: ffff8801be2c4080 R09: fffffbfff12720c0
R10: ffff880198ede0f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x101/0x1000
CPU: 1 PID: 5815 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor1 cpuset=
syz1
 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:997 [inline]
 ndisc_alloc_skb+0x144/0x340 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x331/0x6e0 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3836
 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
 </IRQ>
RIP: 0010:arch_local_irq_restore+0x4a/0x52 arch/x86/include/asm/paravirt.h:788
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9
RSP: 0000:ffff8801bbee6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8801d7b660c0 RBX: 0000000000000293 RCX: ffffffff8184e1ca
RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293
RBP: ffff8801bbee6240 R08: ffff8801d7b660c0 R09: fffffbfff13d9700
R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293
R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280
 dump_stack+0x26a/0x2b4 lib/dump_stack.c:118
 dump_header+0x27b/0xf72 mm/oom_kill.c:441
 oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953
 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120
 __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:6259
 __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: 0033:0x45db60
Code: Bad RIP value.
RSP: 002b:000000c420009ab8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
RDX: 000000c420009ac0 RSI: 000000c420009bf0 RDI: 0000000000000011
RBP: 00007ffc7db54800 R08: 0000000000000002 R09: 000000c4269f7ae8
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 000000c420126180 R14: 0000000000000001 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 11754 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #119
Mem-Info:
active_anon:57405 inactive_anon:539 isolated_anon:0
 active_file:13 inactive_file:14 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:9231 slab_unreclaimable:1477469
 mapped:8194 shmem:546 pagetables:466 bounce:0
 free:13678 free_pcp:497 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:229620kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:2184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB 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 2819
 6323
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
 6323
Node 0 
DMA32 free:24804kB min:30060kB low:37572kB high:45084kB active_anon:14336kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB 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:14000kB min:37352kB low:46688kB high:56024kB active_anon:215284kB inactive_anon:2156kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5152kB pagetables:1864kB bounce:0kB free_pcp:1740kB local_pcp:1432kB 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) 
 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390
= 15908kB
Node 0 
DMA32: 
3*4kB 
(UM) 
1*8kB 
(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
3*16kB 
(UM) 
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
3*32kB 
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
(UM) 
 slab_alloc_node mm/slab.c:3327 [inline]
 kmem_cache_alloc_node+0xe3/0x730 mm/slab.c:3642
5*64kB 
(UM) 
 __alloc_skb+0x119/0x770 net/core/skbuff.c:193
4*128kB (UM) 
3*256kB 
(M) 
3*512kB 
(M) 
3*1024kB 
(UM) 
3*2048kB 
 alloc_skb include/linux/skbuff.h:997 [inline]
 new_skb+0x26/0x1c0 drivers/block/aoe/aoecmd.c:67
(UM) 
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x279/0x7f0 drivers/block/aoe/aoecmd.c:1374
3*4096kB 
(M) 
= 24804kB
Node 0 
Normal: 
948*4kB 
(UMEH) 
 discover_timer+0x50/0x60 drivers/block/aoe/aoemain.c:24
402*8kB 
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
(ME) 
197*16kB 
(UME) 
63*32kB 
(UME) 
3*64kB 
(UM) 
1*128kB 
(U) 
0*256kB 
1*512kB 
(U) 
1*1024kB 
(U) 
0*2048kB 
0*4096kB 
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0x7e5/0xc70 kernel/time/timer.c:1682
= 14032kB
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
573 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
342307 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1695
syz-fuzzer cpuset=
/
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 mems_allowed=0
 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:slab_alloc_node mm/slab.c:3329 [inline]
RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661
Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 62 23
RSP: 0000:ffff880198edf4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000427e000
RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286
RBP: ffff880198edf520 R08: ffff8801be2c4080 R09: fffffbfff12720c0
R10: ffff880198ede0f0 R11: ffffffff89390603 R12: ffff8801da800ac0
R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286
 __do_kmalloc_node mm/slab.c:3681 [inline]
 __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
 __kmalloc_reserve.isra.39+0xcc/0xe0 net/core/skbuff.c:145
 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460
 skb_ensure_writable+0x3dd/0x640 net/core/skbuff.c:5068
 __bpf_try_make_writable net/core/filter.c:1637 [inline]
 bpf_try_make_writable net/core/filter.c:1643 [inline]
 bpf_try_make_head_writable net/core/filter.c:1651 [inline]
 ____bpf_clone_redirect net/core/filter.c:2088 [inline]
 bpf_clone_redirect+0x14a/0x490 net/core/filter.c:2066
 bpf_prog_bebbfe2050753572+0x101/0x1000
CPU: 1 PID: 5815 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426
syz-executor1 cpuset=
syz1
 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