INFO: rcu detected stall in ext4_filemap

INFO: rcu detected stall in ext4_filemap_fault (2)
Status: auto-closed as invalid on 2020/01/13 18:23
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 945d, last: 945d
similar bugs (8):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
linux-4.19	INFO: rcu detected stall in ext4_filemap_fault (3)		2	5d16h	35d	0/1	upstream: reported on 2022/04/12 12:43
linux-4.19	INFO: rcu detected stall in ext4_filemap_fault (2)		1	661d	661d	0/1	auto-closed as invalid on 2020/11/23 02:32
android-49	INFO: rcu detected stall in ext4_filemap_fault	C	1	980d	980d	0/3	public: reported C repro on 2019/09/11 03:52
upstream	INFO: rcu detected stall in ext4_filemap_fault		109	1171d	1341d	0/22	closed as dup on 2019/01/02 16:36
android-414	INFO: rcu detected stall in ext4_filemap_fault		1	1240d	1133d	0/1	auto-closed as invalid on 2019/06/22 22:11
linux-4.19	INFO: rcu detected stall in ext4_filemap_fault		4	849d	999d	0/1	auto-closed as invalid on 2020/05/18 19:50
linux-4.14	INFO: rcu detected stall in ext4_filemap_fault		1	903d	903d	0/1	auto-closed as invalid on 2020/03/25 22:24
android-414	INFO: rcu detected stall in ext4_filemap_fault (2)		2	899d	943d	0/1	auto-closed as invalid on 2020/03/30 02:23
Sample crash report:
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (500 ticks this GP) idle=1a6/1/0x4000000000000002 softirq=266754/267081 fqs=9 
	(detected by 1, t=10592 jiffies, g=420925, q=4602)
Sending NMI from CPU 1 to CPUs 0:
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
NMI backtrace for cpu 0
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:68 [inline]
RIP: 0010:write_comp_data+0x9/0x70 kernel/kcov.c:123
Code: 13 00 00 8b 80 fc 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 5d c3 0f 1f 00 65 4c 8b 04 25 40 fe 01 00 <65> 8b 05 78 e9 8e 7e a9 00 01 1f 00 75 51 41 8b 80 f8 12 00 00 83
RSP: 0000:ffff8880ae808e40 EFLAGS: 00000006
RAX: ffff88809d8ba200 RBX: 0000000000000000 RCX: ffffffff87420b1c
RDX: 0000000000000000 RSI: 0000000000000048 RDI: 0000000000000001
RBP: ffff8880ae808e48 R08: ffff88809d8ba200 R09: ffffed1015d01230
R10: ffffed1015d0122f R11: ffff8880ae80917d R12: ffff8880ae808f88
R13: 0000000000000000 R14: ffff8880ae808ee0 R15: ffffffff87acc8e3
FS:  000000c42008ae68(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000042f236 CR3: 00000000899e2000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 format_decode+0x49c/0xbc0 lib/vsprintf.c:2380
 vsnprintf+0x17e/0x19a0 lib/vsprintf.c:2462
 snprintf+0xbb/0xf0 lib/vsprintf.c:2643
 print_caller kernel/printk/printk.c:1280 [inline]
 print_prefix kernel/printk/printk.c:1299 [inline]
 msg_print_text+0x1a2/0x5c0 kernel/printk/printk.c:1316
 console_unlock+0x38d/0xf10 kernel/printk/printk.c:2448
 vprintk_emit+0x2a0/0x700 kernel/printk/printk.c:1996
 vprintk_default+0x28/0x30 kernel/printk/printk.c:2023
 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:386
 printk+0xba/0xed kernel/printk/printk.c:2056
 printk_stack_address arch/x86/kernel/dumpstack.c:71 [inline]
 show_trace_log_lvl+0x23a/0x28c arch/x86/kernel/dumpstack.c:258
 show_stack+0x39/0x3b arch/x86/kernel/dumpstack.c:293
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
lowmem_reserve[]: 0 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
Free swap  = 0kB
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
 __do_cache_alloc mm/slab.c:3283 [inline]
 slab_alloc mm/slab.c:3311 [inline]
 kmem_cache_alloc+0x1ef/0x710 mm/slab.c:3483
341179 pages reserved
0 pages cma reserved
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.509 msecs
aoe: skb alloc failure
 __build_skb+0x26/0x70 net/core/skbuff.c:310
 __netdev_alloc_skb+0x255/0x440 net/core/skbuff.c:463
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 netdev_alloc_skb include/linux/skbuff.h:2763 [inline]
 dev_alloc_skb include/linux/skbuff.h:2776 [inline]
 send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:252
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:334
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
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+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
lowmem_reserve[]: 0 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
1965979 pages RAM
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
0 pages HighMem/MovableOnly
341179 pages reserved
0 pages cma reserved
 __do_cache_alloc mm/slab.c:3283 [inline]
 slab_alloc mm/slab.c:3311 [inline]
 kmem_cache_alloc+0x1ef/0x710 mm/slab.c:3483
aoe: skb alloc failure
 __build_skb+0x26/0x70 net/core/skbuff.c:310
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __netdev_alloc_skb+0x255/0x440 net/core/skbuff.c:463
 netdev_alloc_skb include/linux/skbuff.h:2763 [inline]
 dev_alloc_skb include/linux/skbuff.h:2776 [inline]
 send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:252
 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:334
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
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+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
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
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
0 pages in swap cache
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
341179 pages reserved
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
0 pages cma reserved
aoe: skb alloc failure
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 alloc_skb include/linux/skbuff.h:1049 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:417
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:683
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3879
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
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:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
Total swap = 0kB
1965979 pages RAM
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
0 pages HighMem/MovableOnly
341179 pages reserved
0 pages cma reserved
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
aoe: skb alloc failure
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 alloc_skb include/linux/skbuff.h:1049 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:417
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:683
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3879
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
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:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
lowmem_reserve[]: 0 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
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
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
0 pages HighMem/MovableOnly
341179 pages reserved
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
0 pages cma reserved
aoe: skb alloc failure
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 alloc_skb include/linux/skbuff.h:1049 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:417
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:683
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3879
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
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:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:756 [inline]
RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4527
Code: ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 26 76 9a 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d
RSP: 0000:ffff8880a0f5f170 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e63ac RBX: ffff88809d8ba200 RCX: ffff88809d8baa98
RDX: dffffc0000000000 RSI: ffffffff88faae40 RDI: 0000000000000286
RBP: ffff8880a0f5f1b8 R08: ffff88809d8ba200 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff88809d8baae8 R14: ffffffff88faae40 R15: 0000000000000002
 lock_is_held include/linux/lockdep.h:362 [inline]
 rcu_read_lock_held kernel/rcu/update.c:283 [inline]
 rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:277
 css_next_descendant_pre+0x102/0x190 kernel/cgroup/cgroup.c:4251
 mem_cgroup_iter+0x39e/0xaf0 mm/memcontrol.c:1080
 shrink_node+0x333/0x14b0 mm/vmscan.c:2761
 shrink_zones mm/vmscan.c:2967 [inline]
 do_try_to_free_pages+0x3cb/0x11f0 mm/vmscan.c:3025
 try_to_free_pages+0x2e4/0x980 mm/vmscan.c:3238
 __perform_reclaim mm/page_alloc.c:4115 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4136 [inline]
 __alloc_pages_slowpath+0x983/0x2910 mm/page_alloc.c:4551
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2188
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x2a2/0x490 mm/filemap.c:980
 pagecache_get_page+0x286/0xa00 mm/filemap.c:1670
 filemap_fault+0x9b6/0x2be0 mm/filemap.c:2530
 ext4_filemap_fault+0x86/0xb2 fs/ext4/inode.c:6292
 __do_fault+0x111/0x540 mm/memory.c:3092
 do_read_fault mm/memory.c:3489 [inline]
 do_fault mm/memory.c:3618 [inline]
 handle_pte_fault mm/memory.c:3849 [inline]
 __handle_mm_fault+0x2dd0/0x4040 mm/memory.c:3973
 handle_mm_fault+0x3b7/0xaa0 mm/memory.c:4010
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xdd0 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0033:0x42f260
Code: Bad RIP value.
RSP: 002b:000000c42014be40 EFLAGS: 00010206
RAX: 000000c42006e780 RBX: 000000c420021f10 RCX: 0000000400000002
RDX: 000000c42001b300 RSI: 000000c42008ae40 RDI: 000000c42014bf38
RBP: 000000c42014bfa8 R08: 000000c42006e780 R09: 0000000000000000
R10: 000000c424bc5200 R11: 0000020e3af0ea04 R12: 0000000000000001
R13: 00000000000000f0 R14: 000000000045b6a0 R15: 0000000000000000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc1+ #0
Mem-Info:
active_anon:58333 inactive_anon:192 isolated_anon:0
 active_file:1 inactive_file:1 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:17021 slab_unreclaimable:1445407
 mapped:52226 shmem:245 pagetables:714 bounce:0
 free:10897 free_pcp:256 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Node 0 active_anon:233332kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
Node 0 DMA free:10252kB min:220kB low:272kB high:324kB 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
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
lowmem_reserve[]: 0 2547 2548 2548
Node 0 DMA32 free:13368kB min:36184kB low:45228kB high:54272kB active_anon:233312kB inactive_anon:768kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2611876kB mlocked:0kB kernel_stack:7296kB pagetables:2856kB bounce:0kB free_pcp:684kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1
Node 0 Normal free:4kB min:16kB low:20kB high:24kB active_anon:20kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1172kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:19964kB min:53684kB low:67104kB high:80524kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:340kB local_pcp:248kB free_cma:0kB
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10252kB
Node 0 DMA32: 1016*4kB (UME) 227*8kB (UME) 343*16kB (UME) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13448kB
Node 0 Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB
Node 1 Normal: 91*4kB (E) 32*8kB (E) 5*16kB (E) 4*32kB (UMEH) 1*64kB (E) 1*128kB (E) 2*256kB (UE) 2*512kB (UM) 1*1024kB (M) 4*2048kB (UME) 2*4096kB (M) = 19964kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
247 total pagecache pages
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
Total swap = 0kB
1965979 pages RAM
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
0 pages HighMem/MovableOnly
341179 pages reserved
0 pages cma reserved
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
aoe: skb alloc failure
syz-fuzzer: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:417
 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:683
 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3879
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
CPU: 0 PID: 8726 Comm: syz-fuzzer Not tainted 5.4.0-rc1+ #0
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:
ksoftirqd/1: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 warn_alloc.cold+0x87/0x17f mm/page_alloc.c:3757
 __alloc_pages_slowpath+0x2380/0x2910 mm/page_alloc.c:4657
 __alloc_pages_nodemask+0x638/0x900 mm/page_alloc.c:4765
 __alloc_pages include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1366 [inline]
 cache_grow_begin+0x90/0xd20 mm/slab.c:2599
 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3146
 ____cache_alloc_node+0x1bc/0x1d0 mm/slab.c:3214
 slab_alloc_node mm/slab.c:3254 [inline]
 kmem_cache_alloc_node+0xe3/0x740 mm/slab.c:3574
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
Crashes (1):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-net-kasan-gce	2019/10/15 18:23	net-next	85a83a8fca7f	b5268b89	.config	log	report