RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
rcu: 	(detected by 0, t=10538 jiffies, g=255505, q=2597)
Workqueue: phy15 ieee80211_iface_work
rcu: All QSes seen, last rcu_preempt kthread activity 10526 (4295107845-4295097319), jiffies_till_next_fqs=1, root ->qsmask 0x0
Call Trace:
syz-executor.1  R  running task    27632 13104   8145 0x8000000a
 <IRQ>
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 <IRQ>
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
 sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337
 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline]
 check_cpu_stall kernel/rcu/tree.c:1557 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682
 update_process_times+0x2a/0x70 kernel/time/timer.c:1650
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 __run_hrtimer kernel/time/hrtimer.c:1465 [inline]
 __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527
 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585
 __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
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3334 [inline]
RIP: 0010:kmem_cache_alloc_node+0x2ee/0x3b0 mm/slab.c:3647
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Code: fe ff ff 48 f7 04 24 00 02 00 00 0f 84 1f fe ff ff e8 86 9e cf ff 48 83 3d c6 77 59 08 00 0f 84 aa 00 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 e9 1a fe ff ff 65 ff 05 71 d4 69 7e 48 8b 05 e2 f0
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
RSP: 0018:ffff8880ba007b68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110142eb53d
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
RDX: 0000000000000000 RSI: ffff8880a175a9c8 RDI: 0000000000000286
RBP: ffff8880b5b8fd80 R08: 0000000000000000 R09: 0000000000000000
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 0000000000480020 R15: ffff8880b5b8fd80
 __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
 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
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 __do_softirq+0x265/0x980 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092
 </IRQ>
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 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
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 unmap_single_vma+0x198/0x300 mm/memory.c:1579
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
 unmap_vmas+0xa9/0x180 mm/memory.c:1609
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
 exit_mmap+0x2b9/0x530 mm/mmap.c:3093
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10860kB 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
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
 __mmput kernel/fork.c:1016 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1037
lowmem_reserve[]: 0 0 1 1 1
 exit_mm kernel/exit.c:549 [inline]
 do_exit+0xaec/0x2be0 kernel/exit.c:857
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
 do_group_exit+0x125/0x310 kernel/exit.c:967
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
31639 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
2097051 pages RAM
 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
0 pages HighMem/MovableOnly
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
369649 pages reserved
RIP: 0033:0x7f1b61c69e21
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
kworker/u4:5 cpuset=/ mems_allowed=0-1
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
CPU: 1 PID: 6958 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Workqueue: phy15 ieee80211_iface_work
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
Call Trace:
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
 <IRQ>
rcu: rcu_preempt kthread starved for 10526 jiffies! g255505 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
rcu: RCU grace-period kthread stack dump:
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
rcu_preempt     R  running task    29208    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818
 __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
 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
 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
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB 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 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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: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 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
31639 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
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Free swap  = 0kB
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:5 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
 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
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
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 cpuset=/ mems_allowed=0-1
 __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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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: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 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
31639 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap  = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:5 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
 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 warn_alloc.cold+0x7b/0x18f mm/page_alloc.c:3457
syz-executor.1 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]
 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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: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 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
31639 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap  = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 __run_timers kernel/time/timer.c:1696 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
kworker/u4:5 cpuset=/ mems_allowed=0-1
 __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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
Call Trace:
 <IRQ>
syz-executor.1: 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.1 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB 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 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __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
31639 total pagecache pages
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap  = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Total swap = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
kworker/u4:5 cpuset=/ mems_allowed=0-1
 __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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
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
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
syz-executor.1 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]
 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
 __alloc_pages_slowpath mm/page_alloc.c:4317 [inline]
 __alloc_pages_nodemask+0x232f/0x2890 mm/page_alloc.c:4419
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __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
31639 total pagecache pages
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap  = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Total swap = 0kB
2097051 pages RAM
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
0 pages HighMem/MovableOnly
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
369649 pages reserved
0 pages cma reserved
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:5 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
 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
Call Trace:
 <IRQ>
syz-executor.1: 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.1 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Call Trace:
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 <IRQ>
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB 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+0x1fc/0x2ef lib/dump_stack.c:118
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB 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) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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: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 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
31639 total pagecache pages
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
0 pages in swap cache
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Swap cache stats: add 0, delete 0, find 0/0
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Free swap  = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
Total swap = 0kB
 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835
2097051 pages RAM
0 pages HighMem/MovableOnly
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
369649 pages reserved
0 pages cma reserved
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:5 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
 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85
RDX: 0000000000000000 RSI: ffffffff8191ee3e RDI: ffff8880b05879f0
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: dffffc0000000000 R12: ffff8880b05879e0
R13: ffff8880b05879f0 R14: dffffc0000000000 R15: 0000000000000008
 free_pages_and_swap_cache+0x23/0x3a0 mm/swap_state.c:317
 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: 0033:0x7f1b61c69e21
Code: Bad RIP value.
RSP: 002b:00007f1b601b70b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f1b61d64f80 RCX: 00007f1b61c69e21
RDX: 00007f1b601b70f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f1b61ca0ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe79d4674f R14: 00007f1b601b7300 R15: 0000000000022000
CPU: 1 PID: 6958 Comm: kworker/u4:5 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 02/16/2023
Workqueue: phy15 ieee80211_iface_work
Call Trace:
syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
 <IRQ>
syz-executor.1 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]
 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]
 cfg80211_put_bss net/wireless/scan.c:1331 [inline]
 cfg80211_put_bss+0x140/0x1e0 net/wireless/scan.c:1319
 ieee80211_rx_bss_put net/mac80211/scan.c:39 [inline]
 ieee80211_rx_bss_put+0x3f/0x50 net/mac80211/scan.c:34
 ieee80211_rx_bss_info net/mac80211/ibss.c:1198 [inline]
 ieee80211_rx_mgmt_probe_beacon+0xc5b/0x15c0 net/mac80211/ibss.c:1607
 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634
 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
warn_alloc_show_mem: 1 callbacks suppressed
CPU: 0 PID: 13104 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Mem-Info:
active_anon:272560 inactive_anon:6873 isolated_anon:0
 active_file:5895 inactive_file:11167 isolated_file:0
 unevictable:0 dirty:15 writeback:2 unstable:0
 slab_reclaimable:19955 slab_unreclaimable:1335944
 mapped:13882 shmem:14654 pagetables:1011 bounce:0
 free:11051 free_pcp:493 free_cma:0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Node 0 active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55528kB dirty:52kB writeback:8kB shmem:58616kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Call Trace:
Node 1 active_anon:0kB inactive_anon:0kB active_file:12kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 <IRQ>
Node 0 DMA free:10860kB 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:13324kB min:35996kB low:44992kB high:53988kB active_anon:1090240kB inactive_anon:27492kB active_file:23568kB inactive_file:44752kB unevictable:0kB writepending:60kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:8032kB pagetables:4044kB bounce:0kB free_pcp:1260kB local_pcp:908kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB 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:20020kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:116kB inactive_file:4kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:712kB local_pcp:248kB 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 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10860kB
Node 0 DMA32: 2134*4kB (MEH) 342*8kB (ME) 54*16kB (MEH) 1*32kB (U) 4*64kB (U) 5*128kB (UH) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 13576kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 1*4kB (E) 2*8kB (UH) 6*16kB (UMEH) 2*32kB (UE) 4*64kB (UEH) 1*128kB (M) 4*256kB (UME) 4*512kB (MH) 2*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20020kB
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
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __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
31639 total pagecache pages
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
0 pages in swap cache
 slab_alloc_node mm/slab.c:3332 [inline]
 kmem_cache_alloc_node+0xe3/0x3b0 mm/slab.c:3647
Swap cache stats: add 0, delete 0, find 0/0
 __alloc_skb+0x71/0x560 net/core/skbuff.c:193
Free swap  = 0kB
 alloc_skb include/linux/skbuff.h:995 [inline]
 ndisc_alloc_skb+0x134/0x320 net/ipv6/ndisc.c:403
Total swap = 0kB
 ndisc_send_rs+0x33a/0x690 net/ipv6/ndisc.c:669
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
ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
kworker/u4:5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
kworker/u4:5 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
 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744
Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80
RSP: 0018:ffff8880b0587640 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a175a9c4
RBP: ffffed10142eb428 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a175a140
R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:lru_add_drain+0x0/0x50 mm/swap.c:647
Code: 00 e9 95 fb ff ff 48 89 df e8 5c 72 16 00 e9 27 fa ff ff 4c 89 e7 e8 4f 72 16 00 e9 0d fc ff ff e8 45 72 16 00 e9 e0 fb ff ff <53> e8 4a 95 e0 ff bf 01 00 00 00 e8 f0 7d bf ff e8 3b 30 f5 01 89
RSP: 0018:ffff8880b0587710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a175a140 RBX: ffff8880b05879e0 RCX: ffffffff818bae85