2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved __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 0 pages cma reserved INFO: task syz-executor.0:8108 blocked for more than 140 seconds. fallback_alloc+0x213/0x2e0 mm/slab.c:3224 khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 khungtaskd cpuset=/ mems_allowed=0-1 can_send+0x660/0xa00 net/can/af_can.c:281 bcm_can_tx+0x565/0x800 net/can/bcm.c:300 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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_bss_update+0x904/0x2590 net/wireless/scan.c:1051 cfg80211_inform_bss_frame_data+0x69c/0xeb0 net/wireless/scan.c:1283 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/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: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 kworker/u4:9: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: kworker/u4:9 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 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 dev_queue_xmit_nit+0x326/0xa20 net/core/dev.c:2018 xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 can_send+0x4be/0xa00 net/can/af_can.c:297 bcm_can_tx+0x565/0x800 net/can/bcm.c:300 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf6e/0x1110 kernel/printk/printk.c:2464 Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 44 01 00 00 48 83 3d dc c2 a3 08 00 0f 84 2f 01 00 00 e8 b9 c5 14 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 e4 fc ff ff 48 8b 7c 24 20 e8 6e a1 4a 00 e9 cf RSP: 0018:ffff8880b2ecfcc0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b281c100 RBX: 0000000000000200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dbfb7 RDI: 0000000000000293 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8446efa0 R13: 0000000000000021 R14: 0000000000000000 R15: ffffffff8a6dd090 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 check_hung_task kernel/hung_task.c:128 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog.cold+0x62/0xc4 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 0 PID: 15897 Comm: kworker/u4:9 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 10/26/2022 active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6183 inactive_file:7841 isolated_file:0 unevictable:0 dirty:1 writeback:3 unstable:0 slab_reclaimable:16654 slab_unreclaimable:1303207 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:10778 free_pcp:126 free_cma:0 Workqueue: phy3 ieee80211_iface_work Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:24728kB inactive_file:31360kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32968kB dirty:4kB writeback:12kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:12436kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:24628kB inactive_file:31600kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:256kB local_pcp:244kB 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:19832kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:248kB 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) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1154*4kB (ME) 225*8kB (UME) 80*16kB (UME) 63*32kB (UME) 29*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11952kB 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: 3*4kB (UM) 6*8kB (UME) 3*16kB (UME) 4*32kB (UME) 5*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 20012kB __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 25325 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 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D24128 8108 1 0x80000006 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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_bss_update+0x904/0x2590 net/wireless/scan.c:1051 cfg80211_inform_bss_frame_data+0x69c/0xeb0 net/wireless/scan.c:1283 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/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 khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) khungtaskd cpuset=/ mems_allowed=0-1 CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __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 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d 9c a2 a3 08 00 74 37 e8 7d a5 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 69 a5 14 00 0f 0b e8 62 a5 14 00 RSP: 0018:ffff8880b2ecfcc8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b281c100 RBX: 0000000000000293 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814ddff3 RDI: 0000000000000293 RBP: ffff8880b2ecfd08 R08: ffffffff8cd505f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000001d R13: 1ffffffff13e3051 R14: 0000000000000200 R15: 0000000000000001 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 sched_show_task.cold+0x319/0x396 kernel/sched/core.c:5332 check_hung_task kernel/hung_task.c:136 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) khungtaskd cpuset=/ mems_allowed=0-1 CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d 9c a2 a3 08 00 74 37 e8 7d a5 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 69 a5 14 00 0f 0b e8 62 a5 14 00 RSP: 0018:ffff8880b2ecfcc8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b281c100 RBX: 0000000000000293 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814ddff3 RDI: 0000000000000293 RBP: ffff8880b2ecfd08 R08: ffffffff8cd505f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000001d R13: 1ffffffff13e3051 R14: 0000000000000200 R15: 0000000000000001 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 sched_show_task.cold+0x319/0x396 kernel/sched/core.c:5332 kworker/u4:9: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) check_hung_task kernel/hung_task.c:136 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287 kworker/u4:9 cpuset=/ mems_allowed=0-1 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 0 PID: 15897 Comm: kworker/u4:9 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy3 ieee80211_iface_work Call Trace: Call Trace: __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 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 can_send+0x660/0xa00 net/can/af_can.c:281 bcm_can_tx+0x565/0x800 net/can/bcm.c:300 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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 kworker/u4:9: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/u4:9 cpuset= khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) / mems_allowed=0-1 khungtaskd cpuset= CPU: 0 PID: 15897 Comm: kworker/u4:9 Not tainted 4.19.211-syzkaller #0 / Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 mems_allowed=0-1 Workqueue: phy3 ieee80211_iface_work Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __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 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d 9c a2 a3 08 00 74 37 e8 7d a5 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 69 a5 14 00 0f 0b e8 62 a5 14 00 RSP: 0018:ffff8880b2ecfbe8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b281c100 RBX: 0000000000000293 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814ddff3 RDI: 0000000000000293 RBP: ffff8880b2ecfc28 R08: ffffffff8cd505f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000b R13: 1ffffffff13e3051 R14: 0000000000000200 R15: 0000000000000001 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 show_trace_log_lvl+0x57/0x2b4 arch/x86/kernel/dumpstack.c:171 sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337 check_hung_task kernel/hung_task.c:136 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) khungtaskd cpuset=/ mems_allowed=0-1 CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d 9c a2 a3 08 00 74 37 e8 7d a5 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 69 a5 14 00 0f 0b e8 62 a5 14 00 RSP: 0018:ffff8880b2ecfbe8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b281c100 RBX: 0000000000000293 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814ddff3 RDI: 0000000000000293 RBP: ffff8880b2ecfc28 R08: ffffffff8cd505f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000b R13: 1ffffffff13e3051 R14: 0000000000000200 R15: 0000000000000001 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 show_trace_log_lvl+0x57/0x2b4 arch/x86/kernel/dumpstack.c:171 sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337 check_hung_task kernel/hung_task.c:136 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog.cold+0xb1/0xc4 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 net_ratelimit: 6 callbacks suppressed ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 warn_alloc: 61969 callbacks suppressed kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/u4:6 cpuset=/ mems_allowed=0-1 rcu_preempt cpuset=/ mems_allowed=0-1 CPU: 1 PID: 8840 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy8 ieee80211_iface_work Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:ieee80211_rx_bss_info net/mac80211/ibss.c:1142 [inline] RIP: 0010:ieee80211_rx_mgmt_probe_beacon+0xbb5/0x15c0 net/mac80211/ibss.c:1607 Code: 08 00 00 41 0f b7 5d ee 31 ff 83 e3 02 89 de e8 31 75 c7 f9 66 85 db 0f 84 9f 00 00 00 e8 d3 73 c7 f9 49 8d bc 24 e5 0a 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 48 RSP: 0018:ffff88809319f710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888093196340 RBX: 0000000000000002 RCX: ffffffff879b118f RDX: 0000000000000000 RSI: ffffffff879b119d RDI: ffff8880444a5ce5 RBP: ffff88809319fa68 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000000 R12: ffff8880444a5200 R13: ffff8880aa32b130 R14: 0000000000000fff R15: 000000000000004c 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: 7 callbacks suppressed CPU: 0 PID: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 Mem-Info: active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6378 inactive_file:7186 isolated_file:32 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:16619 slab_unreclaimable:1302950 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:11009 free_pcp:462 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28740kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:32968kB dirty:0kB writeback:16kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:13292kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28868kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:1460kB local_pcp:56kB 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:19900kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:388kB 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) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1074*4kB (UME) 205*8kB (UME) 79*16kB (ME) 60*32kB (ME) 26*64kB (UM) 2*128kB (U) 10*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13600kB 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 (M) 3*8kB (ME) 2*16kB (ME) 4*32kB (UME) 4*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19900kB 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 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB fallback_alloc+0x213/0x2e0 mm/slab.c:3224 24867 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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 369649 pages reserved 0 pages cma reserved kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/u4:6 cpuset=/ mems_allowed=0-1 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 01 31 d8 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 26 1b 28 f9 65 8b 05 9f 8d e8 77 85 c0 74 02 5d RSP: 0018:ffff8880b5a67af0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: ffff8880b5a4e280 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b5a4eb04 RBP: ffff8880ba02b0c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba02b0c0 R13: ffff8880b59fa040 R14: 0000000000000000 R15: 0000000000000000 finish_lock_switch kernel/sched/core.c:2578 [inline] finish_task_switch+0x146/0x760 kernel/sched/core.c:2678 context_switch kernel/sched/core.c:2831 [inline] __schedule+0x88f/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 1 PID: 8840 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy8 ieee80211_iface_work Call Trace: __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 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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 Mem-Info: active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6378 inactive_file:7186 isolated_file:32 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:16619 slab_unreclaimable:1302975 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:11009 free_pcp:457 free_cma:0 Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28740kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:32968kB dirty:0kB writeback:16kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:13292kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28868kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:1440kB local_pcp:44kB 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:19900kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:388kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1074*4kB (UME) 205*8kB (UME) 79*16kB (ME) 60*32kB (ME) 26*64kB (UM) 2*128kB (U) 10*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13600kB 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 (M) 3*8kB (ME) 2*16kB (ME) 4*32kB (UME) 4*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19900kB 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 24867 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 kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/u4:6 cpuset=/ mems_allowed=0-1 rcu_preempt cpuset=/ mems_allowed=0-1 CPU: 1 PID: 8840 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy8 ieee80211_iface_work Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 kworker/u4:6 cpuset=/ mems_allowed=0-1 Call Trace: __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 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 frame_get_tagged_skb net/hsr/hsr_forward.c:195 [inline] hsr_forward_do net/hsr/hsr_forward.c:283 [inline] hsr_forward_skb+0x1105/0x1c30 net/hsr/hsr_forward.c:373 send_hsr_supervision_frame+0x917/0xf70 net/hsr/hsr_device.c:321 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:del_timer_sync+0x1fb/0x270 kernel/time/timer.c:1297 Code: f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 77 48 83 3d a9 ff 9d 08 00 74 29 e8 8a 02 0f 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 22 ff ff ff e8 76 02 0f 00 0f 0b e8 6f 02 0f 00 RSP: 0018:ffff8880b5a67c28 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b5a4e280 RBX: ffff8880b5a67cc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815382e6 RDI: 0000000000000293 RBP: 0000000000000200 R08: ffffffff8cd45dc8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: 1ffff11016b4cf8e R14: ffff8880ba022b40 R15: 00000000ffffffff schedule_timeout+0x4d7/0xfe0 kernel/time/timer.c:1819 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 1 PID: 8840 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 rcu_preempt cpuset=/ mems_allowed=0-1 Workqueue: phy8 ieee80211_iface_work Call Trace: __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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_bss_update+0x904/0x2590 net/wireless/scan.c:1051 cfg80211_inform_bss_frame_data+0x69c/0xeb0 net/wireless/scan.c:1283 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/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: 2 callbacks suppressed CPU: 0 PID: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 Mem-Info: active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6378 inactive_file:7186 isolated_file:32 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:16619 slab_unreclaimable:1302975 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:11009 free_pcp:454 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28740kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:32968kB dirty:0kB writeback:16kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:13292kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28868kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:1428kB local_pcp:36kB 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:19900kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:388kB 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) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1074*4kB (UME) 205*8kB (UME) 79*16kB (ME) 60*32kB (ME) 26*64kB (UM) 2*128kB (U) 10*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13600kB 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 (M) 3*8kB (ME) 2*16kB (ME) 4*32kB (UME) 4*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19900kB 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 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 24867 total pagecache pages skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 0 pages in swap cache frame_get_tagged_skb net/hsr/hsr_forward.c:195 [inline] hsr_forward_do net/hsr/hsr_forward.c:283 [inline] hsr_forward_skb+0x1105/0x1c30 net/hsr/hsr_forward.c:373 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB send_hsr_supervision_frame+0x917/0xf70 net/hsr/hsr_device.c:321 2097051 pages RAM hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350 0 pages HighMem/MovableOnly call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 369649 pages reserved 0 pages cma reserved kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/u4:6 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:del_timer_sync+0x1fb/0x270 kernel/time/timer.c:1297 Code: f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 77 48 83 3d a9 ff 9d 08 00 74 29 e8 8a 02 0f 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 22 ff ff ff e8 76 02 0f 00 0f 0b e8 6f 02 0f 00 RSP: 0018:ffff8880b5a67c28 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b5a4e280 RBX: ffff8880b5a67cc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815382e6 RDI: 0000000000000293 RBP: 0000000000000200 R08: ffffffff8cd45dc8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: 1ffff11016b4cf8e R14: ffff8880ba022b40 R15: 00000000ffffffff schedule_timeout+0x4d7/0xfe0 kernel/time/timer.c:1819 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 1 PID: 8840 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy8 ieee80211_iface_work rcu_preempt cpuset=/ mems_allowed=0-1 Call Trace: __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 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 Mem-Info: active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6378 inactive_file:7186 isolated_file:32 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:16619 slab_unreclaimable:1302975 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:11009 free_pcp:450 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28740kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:32968kB dirty:0kB writeback:16kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:13292kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:25508kB inactive_file:28868kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:1412kB local_pcp:28kB 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:19900kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:388kB 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) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1074*4kB (UME) 205*8kB (UME) 79*16kB (ME) 60*32kB (ME) 26*64kB (UM) 2*128kB (U) 10*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13600kB 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 (M) 3*8kB (ME) 2*16kB (ME) 4*32kB (UME) 4*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19900kB 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 24867 total pagecache pages fallback_alloc+0x213/0x2e0 mm/slab.c:3224 0 pages in swap cache __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 Swap cache stats: add 0, delete 0, find 0/0 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 Free swap = 0kB Total swap = 0kB dev_queue_xmit_nit+0x326/0xa20 net/core/dev.c:2018 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved kworker/u4:6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272 kworker/u4:6 cpuset=/ mems_allowed=0-1 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 hsr_xmit net/hsr/hsr_forward.c:237 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0xd2d/0x1c30 net/hsr/hsr_forward.c:373 send_hsr_supervision_frame+0x917/0xf70 net/hsr/hsr_device.c:321 hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350 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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:del_timer_sync+0x1fb/0x270 kernel/time/timer.c:1297 Code: f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 77 48 83 3d a9 ff 9d 08 00 74 29 e8 8a 02 0f 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 22 ff ff ff e8 76 02 0f 00 0f 0b e8 6f 02 0f 00 RSP: 0018:ffff8880b5a67c28 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b5a4e280 RBX: ffff8880b5a67cc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815382e6 RDI: 0000000000000293 RBP: 0000000000000200 R08: ffffffff8cd45dc8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: 1ffff11016b4cf8e R14: ffff8880ba022b40 R15: 00000000ffffffff schedule_timeout+0x4d7/0xfe0 kernel/time/timer.c:1819 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 1 PID: 8840 Comm: kworker/u4:6 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 10/26/2022 Workqueue: phy8 ieee80211_iface_work Call Trace: ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb __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 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb __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] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 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 warn_alloc: 7 callbacks suppressed rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 rcu_preempt cpuset=/ mems_allowed=0-1 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: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 Mem-Info: active_anon:309998 inactive_anon:7720 isolated_anon:0 active_file:6777 inactive_file:6700 isolated_file:32 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:16619 slab_unreclaimable:1303175 mapped:8242 shmem:11325 pagetables:982 bounce:0 free:10960 free_pcp:421 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Node 0 active_anon:1239580kB inactive_anon:30880kB active_file:27104kB inactive_file:26796kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:32968kB dirty:0kB writeback:16kB shmem:45300kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1044480kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB 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 Node 0 DMA free:10844kB 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:13096kB min:35996kB low:44992kB high:53988kB active_anon:1239580kB inactive_anon:30880kB active_file:27020kB inactive_file:26796kB unevictable:0kB writepending:16kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7840kB pagetables:3924kB bounce:0kB free_pcp:1296kB local_pcp:28kB 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:19900kB min:53876kB low:67344kB high:80812kB active_anon:412kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:32kB pagetables:4kB bounce:0kB free_pcp:388kB 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) 1*16kB (U) 0*32kB 1*64kB (U) 0*128kB 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10844kB Node 0 DMA32: 1080*4kB (ME) 203*8kB (UME) 87*16kB (UME) 64*32kB (ME) 28*64kB (UM) 1*128kB (U) 7*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13096kB 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 (M) 3*8kB (ME) 2*16kB (ME) 4*32kB (UME) 4*64kB (UME) 2*128kB (UM) 3*256kB (UME) 2*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19900kB 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 24792 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 Total swap = 0kB alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved khungtaskd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 khungtaskd cpuset=/ mems_allowed=0-1 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880b5a67bc8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffffffff8a462a60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff89f90a40 R14: ffff8880b5a67cc0 R15: ffffffff8d3b9088 __free_object+0xdd/0x1e0 lib/debugobjects.c:262 free_object lib/debugobjects.c:272 [inline] debug_object_free lib/debugobjects.c:652 [inline] debug_object_free+0x1cc/0x380 lib/debugobjects.c:624 destroy_timer_on_stack kernel/time/timer.c:753 [inline] schedule_timeout+0x4e6/0xfe0 kernel/time/timer.c:1822 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 rcu_preempt: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 rcu_preempt cpuset=/ mems_allowed=0-1 Call Trace: __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