Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338858 pages reserved 0 pages cma reserved rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10546 jiffies, g=301501, q=390) rcu: All QSes seen, last rcu_preempt kthread activity 10546 (4295239645-4295229099), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.1 R running task 26208 22874 19650 0x8000000e ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Call Trace: slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 sched_show_task kernel/sched/core.c:5297 [inline] sched_show_task.cold+0x292/0x30b kernel/sched/core.c:5272 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 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+0xaa1/0xd93 kernel/rcu/tree.c:2682 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 update_process_times+0x32/0x80 kernel/time/timer.c:1636 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:164 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1274 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x33b/0xdd0 kernel/time/hrtimer.c:1460 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1054 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 RSP: 0018:ffff8880ae907b70 EFLAGS: 00000282 __do_softirq+0x25c/0x921 kernel/softirq.c:292 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff11014219d19 RDX: 0000000000000000 RSI: ffff8880a10ce8d0 RDI: 0000000000000282 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 RBP: ffff8880ae907bd8 R08: ffff8880a10ce000 R09: ffff8880a10ce8c8 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3 RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 __build_skb+0x3e/0x310 net/core/skbuff.c:281 ORIG_RAX: ffffffffffffff13 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1 netdev_alloc_skb include/linux/skbuff.h:2645 [inline] dev_alloc_skb include/linux/skbuff.h:2658 [inline] send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265 RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293 RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2001 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 show_mem+0x16c/0x17b lib/show_mem.c:43 dump_header+0x1ce/0x929 mm/oom_kill.c:445 __do_softirq+0x25c/0x921 kernel/softirq.c:292 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1470 [inline] do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231 __vfs_read+0x114/0x800 fs/read_write.c:416 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe vfs_read+0x194/0x3d0 fs/read_write.c:452 RIP: 0033:0x459829 ksys_read+0x14f/0x2d0 fs/read_write.c:579 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 RIP: 0033:0x7fe668eec1fd R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff Code: Bad RIP value. rcu: rcu_preempt kthread starved for 10546 jiffies! g301501 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 RSP: 002b:00007fe66648be30 EFLAGS: 00000293 rcu: RCU grace-period kthread stack dump: ORIG_RAX: 0000000000000000 rcu_preempt R RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004 running task RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000 29104 10 2 0x80000000 R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003 Call Trace: aoe: skb alloc failure context_switch kernel/sched/core.c:2826 [inline] __schedule+0x80d/0x1c70 kernel/sched/core.c:3474 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / mems_allowed=0-1 CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33 schedule+0x92/0x1c0 kernel/sched/core.c:3518 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 kthread+0x354/0x420 kernel/kthread.c:246 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 syz-executor.1 cpuset= syz1 mems_allowed=0-1 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3 RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1 RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293 RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2001 show_mem+0x16c/0x17b lib/show_mem.c:43 dump_header+0x1ce/0x929 mm/oom_kill.c:445 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1470 [inline] do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231 __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe668eec1fd Code: Bad RIP value. RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000 R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 Mem-Info: active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 lowmem_reserve[]: warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 0 2555 2557 2557 Node 0 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 0 0 2 2 Node 0 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Node 1 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 0 0 0 Node 0 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 DMA: ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669 1*4kB addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820 (U) 1*8kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 0*512kB 0*1024kB 1*2048kB (M) __do_softirq+0x25c/0x921 kernel/softirq.c:292 2*4096kB (M) = 10300kB Node 0 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 DMA32: 355*4kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 (UMEH) apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 1035*8kB (MEH) RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 201*16kB Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 (MH) RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 1*32kB (H) ORIG_RAX: ffffffffffffff13 9*64kB (UH) RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 1*128kB RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 (U) 0*256kB RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 0*512kB R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 0*1024kB 0*2048kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0*4096kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 = 13652kB bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 Node 0 Normal: 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 0*4096kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 = 12kB Node 1 Normal: 3*4kB (M) 7*8kB (ME) bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 51*16kB __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 (M) 43*32kB (UME) 29*64kB (ME) 13*128kB do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 (UM) entry_SYSCALL_64_after_hwframe+0x49/0xbe 8*256kB (UM) RIP: 0033:0x459829 4*512kB Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 (ME) RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 4*1024kB ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 (UM) RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a 3*2048kB RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 (M) 0*4096kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 = 20116kB R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 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 527 total pagecache pages 0 pages in swap cache syz-executor.1 cpuset= Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly syz1 338858 pages reserved 0 pages cma reserved aoe: skb alloc failure rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) mems_allowed=0-1 rsyslogd cpuset= CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 / Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: mems_allowed=0-1 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] __br_mdb_notify+0x2af/0xe50 net/bridge/br_mdb.c:377 br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410 br_multicast_del_pg+0x2c1/0x5a0 net/bridge/br_multicast.c:292 br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Call Trace: Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 Node 0 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 lowmem_reserve[]: 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 lowmem_reserve[]: 0 0 0 0 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 Node 0 DMA: 1*4kB discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 (U) call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 0*256kB 0*512kB 0*1024kB 1*2048kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (M) 2*4096kB (M) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 = 10300kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 Node 0 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 DMA32: 355*4kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 (UMEH) Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3 1035*8kB RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 (MEH) 201*16kB ORIG_RAX: ffffffffffffff13 (MH) 1*32kB RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1 (H) RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293 9*64kB RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08 (UH) R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 1*128kB R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0 (U) 0*256kB 0*512kB 0*1024kB vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*2048kB 0*4096kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 = 13652kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 Node 0 printk+0xba/0xed kernel/printk/printk.c:2001 Normal: 1*4kB (U) show_mem+0x16c/0x17b lib/show_mem.c:43 1*8kB dump_header+0x1ce/0x929 mm/oom_kill.c:445 (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 0*512kB 0*1024kB 0*2048kB 0*4096kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 = 12kB Node 1 Normal: 3*4kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245 (M) 7*8kB (ME) 51*16kB (M) 43*32kB (UME) 29*64kB __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 (ME) 13*128kB (UM) 8*256kB (UM) 4*512kB (ME) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 4*1024kB (UM) 3*2048kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 (M) 0*4096kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 = 20116kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623 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 kmalloc include/linux/slab.h:515 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1470 [inline] do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444 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 527 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 Total swap = 0kB proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231 1965979 pages RAM 0 pages HighMem/MovableOnly __vfs_read+0x114/0x800 fs/read_write.c:416 338858 pages reserved 0 pages cma reserved syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.1 cpuset= syz1 mems_allowed=0-1 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe668eec1fd Code: Bad RIP value. RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000 R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003 Mem-Info: CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Call Trace: Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 Node 0 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 0 2 2 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 lowmem_reserve[]: 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 0 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] __br_mdb_notify+0x2af/0xe50 net/bridge/br_mdb.c:377 0 0 0 0 Node 0 DMA: br_mdb_notify+0x20d/0x2d0 net/bridge/br_mdb.c:410 1*4kB (U) 1*8kB (U) br_multicast_del_pg+0x2c1/0x5a0 net/bridge/br_multicast.c:292 1*16kB (U) br_multicast_port_group_expired+0x189/0x1e0 net/bridge/br_multicast.c:316 1*32kB (U) call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 (M) = 10300kB Node 0 DMA32: 355*4kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (UMEH) 1035*8kB (MEH) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 201*16kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 (MH) 1*32kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 (H) 9*64kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 (UH) Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 1*128kB RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 (U) RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 0*256kB RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 0*512kB RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 0*1024kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 0*2048kB 0*4096kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 = 13652kB Node 0 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 Normal: bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 1*4kB (U) 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 = 12kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 Node 1 Normal: 3*4kB (M) 7*8kB (ME) bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 51*16kB __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 (M) 43*32kB (UME) 29*64kB (ME) do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 13*128kB entry_SYSCALL_64_after_hwframe+0x49/0xbe (UM) RIP: 0033:0x459829 8*256kB Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 (UM) RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 4*512kB ORIG_RAX: 0000000000000141 (ME) RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 4*1024kB RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 (UM) R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff 3*2048kB syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) (M) syz-executor.1 cpuset= 0*4096kB = 20116kB syz1 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB mems_allowed=0-1 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 Call Trace: 527 total pagecache pages 0 pages in swap cache __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Swap cache stats: add 0, delete 0, find 0/0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338858 pages reserved 0 pages cma reserved aoe: skb alloc failure __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / mems_allowed=0-1 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 __build_skb+0x3e/0x310 net/core/skbuff.c:281 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 netdev_alloc_skb include/linux/skbuff.h:2645 [inline] dev_alloc_skb include/linux/skbuff.h:2658 [inline] send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33 Mem-Info: active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 lowmem_reserve[]: 0 2555 2557 2557 Node 0 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 lowmem_reserve[]: 0 0 2 2 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 lowmem_reserve[]: 0 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 lowmem_reserve[]: 0 0 0 0 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 Node 0 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 DMA: 1*4kB (U) discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 1*8kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 (U) 1*16kB (U) 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 0*1024kB 1*2048kB (M) 2*4096kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (M) = 10300kB Node 0 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 DMA32: exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 355*4kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 (UMEH) 1035*8kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3 (MEH) RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 201*16kB ORIG_RAX: ffffffffffffff13 (MH) RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1 1*32kB RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293 (H) RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08 9*64kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 (UH) R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0 1*128kB (U) 0*256kB vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*512kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 0*1024kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 0*2048kB printk+0xba/0xed kernel/printk/printk.c:2001 0*4096kB = 13652kB Node 0 show_mem+0x16c/0x17b lib/show_mem.c:43 Normal: dump_header+0x1ce/0x929 mm/oom_kill.c:445 1*4kB (U) 1*8kB (U) oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 0*16kB 0*32kB 0*64kB 0*128kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245 = 12kB Node 1 Normal: 3*4kB (M) 7*8kB (ME) 51*16kB (M) __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 43*32kB (UME) 29*64kB (ME) 13*128kB (UM) 8*256kB __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 (UM) 4*512kB (ME) fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 4*1024kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 (UM) __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623 3*2048kB (M) kmalloc include/linux/slab.h:515 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1470 [inline] do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444 0*4096kB = 20116kB 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 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231 527 total pagecache pages 0 pages in swap cache __vfs_read+0x114/0x800 fs/read_write.c:416 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338858 pages reserved 0 pages cma reserved syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.1 cpuset= vfs_read+0x194/0x3d0 fs/read_write.c:452 syz1 ksys_read+0x14f/0x2d0 fs/read_write.c:579 mems_allowed=0-1 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe668eec1fd Code: Bad RIP value. RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000 R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003 CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 Mem-Info: active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 lowmem_reserve[]: 0 2555 2557 2557 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 Node 0 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 2 2 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 lowmem_reserve[]: ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 0 0 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 0 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669 0 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820 0 0 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 1*32kB (U) 0*64kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 0*128kB 0*256kB 0*512kB invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 0*1024kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 1*2048kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 (M) 2*4096kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 (M) Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 = 10300kB RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 Node 0 ORIG_RAX: ffffffffffffff13 DMA32: 355*4kB RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 (UMEH) RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 1035*8kB RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 (MEH) 201*16kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 (MH) 1*32kB (H) skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 9*64kB (UH) ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 1*128kB bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13652kB Node 0 Normal: 1*4kB (U) 1*8kB (U) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 0*16kB bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 0*2048kB __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 0*4096kB = 12kB Node 1 Normal: 3*4kB do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 (M) entry_SYSCALL_64_after_hwframe+0x49/0xbe 7*8kB RIP: 0033:0x459829 (ME) Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 51*16kB RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 (M) ORIG_RAX: 0000000000000141 43*32kB (UME) RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 29*64kB RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a (ME) RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 13*128kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 (UM) R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff 8*256kB ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb (UM) 4*512kB syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) (ME) syz-executor.1 cpuset= 4*1024kB (UM) syz1 3*2048kB mems_allowed=0-1 (M) CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 0*4096kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 = 20116kB Call Trace: 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 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 527 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 0 pages HighMem/MovableOnly 338858 pages reserved 0 pages cma reserved aoe: skb alloc failure __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset= / __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 mems_allowed=0-1 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 __build_skb+0x3e/0x310 net/core/skbuff.c:281 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 netdev_alloc_skb include/linux/skbuff.h:2645 [inline] dev_alloc_skb include/linux/skbuff.h:2658 [inline] send_hsr_supervision_frame+0x110/0xf30 net/hsr/hsr_device.c:265 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:slab_alloc mm/slab.c:3390 [inline] RIP: 0010:kmem_cache_alloc+0x287/0x700 mm/slab.c:3557 Code: 7e 0f 85 db fe ff ff e8 08 35 5f ff e9 d1 fe ff ff e8 3d 1c cf ff 48 83 3d 2d 07 d1 06 00 0f 84 27 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 64 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 02 d6 RSP: 0018:ffff888081bbf920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a10ce880 RDI: 0000000000000282 RBP: ffff888081bbf988 R08: ffff8880a10ce000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2840 R14: 0000000000480020 R15: ffff88821bab2840 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 bpf_prog_3aea14b1f6cd0d8b+0xbdd/0x1000 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf kernel/bpf/syscall.c:2367 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2367 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc6b80edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 000000000000005e RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6b80ee6d4 R13: 00000000004bfb92 R14: 00000000004d15b8 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7437 Comm: rsyslogd Not tainted 4.19.60 #33 Mem-Info: active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 Node 0 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 DMA free:10300kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2555 2557 2557 __alloc_pages_slowpath+0x2215/0x2870 mm/page_alloc.c:4307 Node 0 DMA32 free:13580kB min:36248kB low:45308kB high:54368kB active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB writepending:0kB present:3129332kB managed:2619964kB mlocked:0kB kernel_stack:10464kB pagetables:14100kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 2 2 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 Node 0 Normal free:12kB min:32kB low:40kB high:48kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2428kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 lowmem_reserve[]: 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 0 Node 1 Normal free:20064kB min:53608kB low:67008kB high:80408kB active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:32kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 lowmem_reserve[]: aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 0 0 0 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 0 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1682 [inline] __run_timers kernel/time/timer.c:1650 [inline] run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695 1*32kB (U) 0*64kB 0*128kB 0*256kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 0*512kB 0*1024kB 1*2048kB invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 (M) exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 2*4096kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 (M) = 10300kB RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 Node 0 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 5e e5 1c 07 00 0f 84 b9 00 00 00 e8 ab c5 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 72 36 4c 00 e9 bc f3 DMA32: 355*4kB RSP: 0000:ffff888086a5f188 EFLAGS: 00000293 (UMEH) 1035*8kB ORIG_RAX: ffffffffffffff13 (MEH) RAX: ffff888090982540 RBX: 0000000000000200 RCX: 1ffff110121305c1 201*16kB RDX: 0000000000000000 RSI: ffffffff815553b5 RDI: 0000000000000293 (MH) 1*32kB RBP: ffff888086a5f210 R08: ffff888090982540 R09: ffff888090982e08 (H) 9*64kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 (UH) R13: ffffffff840f8080 R14: 0000000000000015 R15: ffffffff88d6fab0 1*128kB (U) 0*256kB vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*512kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 0*1024kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 0*2048kB printk+0xba/0xed kernel/printk/printk.c:2001 0*4096kB = 13652kB Node 0 Normal: show_mem+0x16c/0x17b lib/show_mem.c:43 1*4kB dump_header+0x1ce/0x929 mm/oom_kill.c:445 (U) 1*8kB (U) 0*16kB oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 0*32kB 0*64kB 0*128kB 0*256kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 0*512kB 0*1024kB 0*2048kB 0*4096kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20b6/0x2870 mm/page_alloc.c:4245 = 12kB Node 1 Normal: 3*4kB (M) 7*8kB (ME) __alloc_pages_nodemask+0x621/0x760 mm/page_alloc.c:4409 51*16kB (M) 43*32kB (UME) 29*64kB (ME) 13*128kB (UM) __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x9c/0x8b0 mm/slab.c:2682 8*256kB (UM) 4*512kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 (ME) 4*1024kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 (UM) __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x215/0x760 mm/slab.c:3623 3*2048kB (M) 0*4096kB kmalloc include/linux/slab.h:515 [inline] syslog_print kernel/printk/printk.c:1302 [inline] do_syslog kernel/printk/printk.c:1470 [inline] do_syslog+0x9e7/0x1690 kernel/printk/printk.c:1444 = 20116kB 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 kmsg_read+0x8f/0xc0 fs/proc/kmsg.c:40 527 total pagecache pages proc_reg_read+0x1f8/0x2b0 fs/proc/inode.c:231 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB __vfs_read+0x114/0x800 fs/read_write.c:416 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338858 pages reserved 0 pages cma reserved syz-executor.1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.1 cpuset= syz1 mems_allowed=0-1 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe668eec1fd Code: Bad RIP value. RSP: 002b:00007fe66648be30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00000000023c0650 RCX: 00007fe668eec1fd RDX: 0000000000000fff RSI: 00007fe667cc05a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000023ab260 R09: 0000000000000000 R10: 6b205d3437373530 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe66648c9c0 R14: 00007fe669531040 R15: 0000000000000003 CPU: 1 PID: 22874 Comm: syz-executor.1 Not tainted 4.19.60 #33 Mem-Info: active_anon:138600 inactive_anon:183 isolated_anon:0 active_file:197 inactive_file:61 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9807 slab_unreclaimable:1361998 mapped:52445 shmem:247 pagetables:3533 bounce:0 free:10989 free_pcp:124 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:552448kB inactive_anon:732kB active_file:784kB inactive_file:244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209780kB dirty:0kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 348160kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Call Trace: Node 1 active_anon:1952kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113