syzbot


INFO: rcu detected stall in retint_kernel (2)

Status: upstream: reported on 2023/02/01 07:36
Reported-by: syzbot+de527ff9856e00f30faa@syzkaller.appspotmail.com
First crash: 500d, last: 500d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: rcu detected stall in retint_kernel 1 1044d 1044d 0/1 auto-closed as invalid on 2021/12/03 22:18
upstream INFO: rcu detected stall in retint_kernel kernel 21 1570d 1937d 0/27 auto-closed as invalid on 2020/05/26 14:03

Sample crash report:
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P8693 P10515
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
rcu: 	(detected by 0, t=10525 jiffies, g=22149, q=507)
kworker/u4:6    R  running task    26072  8693      2 0x80000000
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Workqueue: phy9 ieee80211_iface_work
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Call Trace:
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:ieee80211_sta_get_rates+0x52a/0x860 net/mac80211/util.c:1706
Code: c9 0f 85 c0 02 00 00 8b 74 24 20 41 0f b7 44 24 04 44 8b 7c 24 14 8d 44 06 ff 99 f7 fe 44 89 fe 41 89 c4 89 c7 e8 d6 ab bd f9 <45> 39 fc 0f 85 23 ff ff ff e8 d8 aa bd f9 4c 8b 7c 24 28 b8 01 00
RSP: 0018:ffff88809a8a7690 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff87a4da8a
RDX: 000000000000006e RSI: ffff88808b532580 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000021c
R10: 0000000000000004 R11: 0000000000000000 R12: 000000000000021c
R13: 000000000000000c R14: ffff888041883488 R15: 000000000000006e
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 ieee80211_update_sta_info net/mac80211/ibss.c:1014 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x552/0x15c0 net/mac80211/ibss.c:1607
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341
 retint_kernel+0x1b/0x2d
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
 kthread+0x33f/0x460 kernel/kthread.c:259
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
kworker/u4:9    R  running task    27096 10515      2 0x80000000
Workqueue: phy2 ieee80211_iface_work
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
RIP: 0010:write_comp_data+0x23/0x70 kernel/kcov.c:122
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
Code: 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 65 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 <83> f8 03 75 44 48 8b 86 68 13 00 00 8b b6 64 13 00 00 48 8b 38 48
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
RSP: 0018:ffff8880424c76d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff888042b3bd90 RCX: ffffffff877f3be7
RDX: 000000000000000c RSI: ffff888095f26600 RDI: 0000000000000004
RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000004
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 ieee80211_mandatory_rates+0x137/0x1b0 net/wireless/util.c:64
 ieee80211_update_sta_info net/mac80211/ibss.c:1028 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x648/0x15c0 net/mac80211/ibss.c:1607
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
 kthread+0x33f/0x460 kernel/kthread.c:259
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
kworker/u4:6    R  running task    26072  8693      2 0x80000000
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Workqueue: phy9 ieee80211_iface_work
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
Call Trace:
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
lowmem_reserve[]: 0 0 0 0 0
 retint_kernel+0x1b/0x2d
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
RIP: 0010:ieee80211_sta_get_rates+0x52a/0x860 net/mac80211/util.c:1706
lowmem_reserve[]: 0 0 0 0 0
Code: c9 0f 85 c0 02 00 00 8b 74 24 20 41 0f b7 44 24 04 44 8b 7c 24 14 8d 44 06 ff 99 f7 fe 44 89 fe 41 89 c4 89 c7 e8 d6 ab bd f9 <45> 39 fc 0f 85 23 ff ff ff e8 d8 aa bd f9 4c 8b 7c 24 28 b8 01 00
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
RSP: 0018:ffff88809a8a7690 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff87a4da8a
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
RDX: 000000000000006e RSI: ffff88808b532580 RDI: 0000000000000004
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000021c
R10: 0000000000000004 R11: 0000000000000000 R12: 000000000000021c
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
R13: 000000000000000c R14: ffff888041883488 R15: 000000000000006e
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
 ieee80211_update_sta_info net/mac80211/ibss.c:1014 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x552/0x15c0 net/mac80211/ibss.c:1607
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
15022 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
kworker/u4:9    R  running task    27096 10515      2 0x80000000
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Workqueue: phy2 ieee80211_iface_work
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
Call Trace:
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
RIP: 0010:write_comp_data+0x23/0x70 kernel/kcov.c:122
Code: 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 65 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 <83> f8 03 75 44 48 8b 86 68 13 00 00 8b b6 64 13 00 00 48 8b 38 48
RSP: 0018:ffff8880424c76d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff888042b3bd90 RCX: ffffffff877f3be7
RDX: 000000000000000c RSI: ffff888095f26600 RDI: 0000000000000004
RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000002
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000002
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000004
 ieee80211_mandatory_rates+0x137/0x1b0 net/wireless/util.c:64
 ieee80211_update_sta_info net/mac80211/ibss.c:1028 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
 ieee80211_rx_mgmt_probe_beacon+0x648/0x15c0 net/mac80211/ibss.c:1607
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
rcu: rcu_preempt kthread starved for 7324 jiffies! g22149 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29208    10      2 0x80000000
Call Trace:
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 kthread+0x33f/0x460 kernel/kthread.c:259
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
Mem-Info:
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Call Trace:
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 <IRQ>
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
15022 total pagecache pages
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
0 pages in swap cache
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
aoe: skb alloc failure
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
aoe: skb alloc failure
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
syz-executor.2 cpuset=/ mems_allowed=0-1
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 3 callbacks suppressed
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 <IRQ>
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
15022 total pagecache pages
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
0 pages in swap cache
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 <IRQ>
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
15022 total pagecache pages
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
0 pages in swap cache
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 <IRQ>
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
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
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
15022 total pagecache pages
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
0 pages in swap cache
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
2097051 pages RAM
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
0 pages HighMem/MovableOnly
369649 pages reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
0 pages cma reserved
aoe: skb alloc failure
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 <IRQ>
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x1fc/0x2ef lib/dump_stack.c:118
lowmem_reserve[]: 0 2693 2695 2695 2695
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:19668kB min:53876kB low:67344kB high:80812kB active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:500kB local_pcp:216kB free_cma:0kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10836kB
Node 0 DMA32: 939*4kB (UME) 166*8kB (UME) 157*16kB (ME) 52*32kB (UME) 26*64kB (M) 5*128kB (UM) 0*256kB 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 13100kB
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
Node 1 Normal: 3*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (UM) 1*64kB (E) 4*128kB (UME) 2*256kB (UE) 2*512kB (M) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19668kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
15022 total pagecache pages
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
0 pages in swap cache
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Swap cache stats: add 0, delete 0, find 0/0
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
Free swap  = 0kB
Total swap = 0kB
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
aoe: skb alloc failure
syz-executor.2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 do_softirq kernel/softirq.c:328 [inline]
 __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 get_curr_sync_buff net/netfilter/ipvs/ip_vs_sync.c:405 [inline]
 next_sync_buff net/netfilter/ipvs/ip_vs_sync.c:1661 [inline]
 sync_thread_master+0x587/0xdfc net/netfilter/ipvs/ip_vs_sync.c:1677
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 13680 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
ipvs-m:6:0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
ipvs-m:6:0 cpuset=/ mems_allowed=0-1
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:995 [inline]
 new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x191/0x5e0 drivers/block/aoe/aoecmd.c:1374
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948
Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41
RSP: 0018:ffff8880308c74b0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286
RBP: ffff888030bee680 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000002b0c0 R14: ffff8880308c0000 R15: ffff8880ba12b0c0
 lock_is_held include/linux/lockdep.h:344 [inline]
 schedule_debug kernel/sched/core.c:3337 [inline]
 __schedule+0xf7f/0x2040 kernel/sched/core.c:3439
 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3744
 retint_kernel+0x1b/0x2d
RIP: 0010:page_zonenum include/linux/mm.h:850 [inline]
RIP: 0010:is_zone_device_page include/linux/mm.h:856 [inline]
RIP: 0010:release_pages+0x118/0x15a0 mm/swap.c:743
Code: 8b 05 14 5b a5 09 49 39 c5 0f 84 10 09 00 00 e8 9e f5 e0 ff 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 f0 11 00 00 4d 8b 65 00 <4d> 8d 75 08 bf 04 00 00 00 49 c1 ec 37 41 83 e4 07 44 89 e6 e8 df
RSP: 0018:ffff8880308c7688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40004f6848 RBX: 0000000000000107 RCX: ffffffff818198f4
RDX: 0000000000000000 RSI: ffffffff81818fd2 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000001fe
R10: 0000000000000004 R11: 0000000000000000 R12: 00fff00000000004
R13: ffffea00027b4240 R14: 00000000000001fe R15: dffffc0000000000
 tlb_flush_mmu_free mm/memory.c:261 [inline]
 zap_pte_range mm/memory.c:1417 [inline]
 zap_pmd_range mm/memory.c:1463 [inline]
 zap_pud_range mm/memory.c:1492 [inline]
 zap_p4d_range mm/memory.c:1513 [inline]
 unmap_page_range+0x221f/0x2c50 mm/memory.c:1534
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcc7eecb0c9
Code: Bad RIP value.
RSP: 002b:00007fcc7d43d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffeb RBX: 00007fcc7efeaf80 RCX: 00007fcc7eecb0c9
RDX: 0000000000000000 RSI: 0000000000143042 RDI: 0000000020000200
RBP: 00007fcc7ef26ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdab0bea3f R14: 00007fcc7d43d300 R15: 0000000000022000
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 10063 Comm: ipvs-m:6:0 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:288494 inactive_anon:6022 isolated_anon:0
 active_file:4448 inactive_file:4181 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:16598 slab_unreclaimable:1343003
 mapped:14370 shmem:6403 pagetables:970 bounce:0
 free:10950 free_pcp:239 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
Node 0 active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:57480kB dirty:0kB writeback:0kB shmem:25612kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1054720kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 <IRQ>
Node 1 active_anon:24kB inactive_anon:0kB active_file:8kB inactive_file:12kB 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? no
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10836kB min:204kB low:252kB high:300kB 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+0x7b/0x18f mm/page_alloc.c:3457
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13288kB min:35996kB low:44992kB high:53988kB active_anon:1153952kB inactive_anon:24088kB active_file:17784kB inactive_file:16712kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7808kB pagetables:3880kB bounce:0kB free_pcp:456kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/01 07:35 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: rcu detected stall in retint_kernel
* Struck through repros no longer work on HEAD.