RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 rcu: INFO: rcu_preempt self-detected stall on CPU Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: rcu: 1-...!: (308 ticks this GP) idle=3ae/1/0x4000000000000004 softirq=62672/62674 fqs=22 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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 rcu: (t=10630 jiffies g=79497 q=1) rcu: rcu_preempt kthread starved for 7014 jiffies! g79497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29104 10 2 0x80000000 alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 Call Trace: aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1806 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 kthread+0x354/0x420 kernel/kthread.c:246 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 NMI backtrace for cpu 1 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 Node 0 DMA free:10264kB 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 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 lowmem_reserve[]: 0 2545 2546 2546 2546 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 lib/nmi_backtrace.c:62 lowmem_reserve[]: 0 0 1 1 1 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x189/0x1d5 kernel/rcu/tree.c:1340 lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB print_cpu_stall kernel/rcu/tree.c:1478 [inline] check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0x5e3/0xd90 kernel/rcu/tree.c:2682 lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB update_process_times+0x32/0x80 kernel/time/timer.c:1638 Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:168 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 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1278 Node 1 Normal: 3*4kB (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1463 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 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1521 280 total pagecache pages local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092 0 pages in swap cache apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 Swap cache stats: add 0, delete 0, find 0/0 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3334 [inline] RIP: 0010:kmem_cache_alloc_node+0x245/0x710 mm/slab.c:3647 Free swap = 0kB Total swap = 0kB Code: 5f 7e 0f 85 34 ff ff ff e8 c9 32 5e ff e9 2a ff ff ff e8 ce 12 ce ff 48 83 3d 1e 23 50 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a6 01 00 00 48 c7 c7 9a 37 1965979 pages RAM RSP: 0000:ffff8880ae907a90 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 0 pages HighMem/MovableOnly 341741 pages reserved RAX: 0000000000000007 RBX: 0000000000480020 RCX: 1ffff110135d01b8 0 pages cma reserved RDX: 0000000000000000 RSI: ffff88809ae80da0 RDI: 0000000000000286 RBP: ffff8880ae907b00 R08: ffff88809ae80480 R09: ffff88809ae80dc0 aoe: skb alloc failure R10: 0000000000000000 R11: 0000000000000000 R12: ffff88821bab2b40 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) R13: ffff88821bab2b40 R14: 0000000000000000 R15: 0000000000000286 syz-executor.5 cpuset=syz5 mems_allowed=0-1 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset=/ mems_allowed=0-1 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 Mem-Info: CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Call Trace: Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 Node 0 DMA free:10264kB 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:3455 lowmem_reserve[]: 0 2545 2546 2546 2546 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 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+0x91/0x8c0 mm/slab.c:2682 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 280 total pagecache pages 0 pages in swap cache fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Total swap = 0kB __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 1965979 pages RAM 0 pages HighMem/MovableOnly 341741 pages reserved 0 pages cma reserved aoe: skb alloc failure __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:2663 [inline] dev_alloc_skb include/linux/skbuff.h:2676 [inline] send_hsr_supervision_frame+0x110/0xfc0 net/hsr/hsr_device.c:265 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.5 cpuset=syz5 mems_allowed=0-1 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:350 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-fuzzer cpuset=/ mems_allowed=0-1 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10264kB 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+0x197/0x210 lib/dump_stack.c:118 lowmem_reserve[]: 0 2545 2546 2546 2546 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 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 280 total pagecache pages __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+0x91/0x8c0 mm/slab.c:2682 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Total swap = 0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 1965979 pages RAM __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 0 pages HighMem/MovableOnly 341741 pages reserved 0 pages cma reserved aoe: skb alloc failure __build_skb+0x3e/0x310 net/core/skbuff.c:281 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) netdev_alloc_skb include/linux/skbuff.h:2663 [inline] dev_alloc_skb include/linux/skbuff.h:2676 [inline] send_hsr_supervision_frame+0x110/0xfc0 net/hsr/hsr_device.c:265 syz-executor.5 cpuset=syz5 mems_allowed=0-1 hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:350 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: syz-fuzzer cpuset=/ mems_allowed=0-1 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 Node 0 DMA free:10264kB 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:3455 lowmem_reserve[]: 0 2545 2546 2546 2546 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 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+0x91/0x8c0 mm/slab.c:2682 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 280 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Free swap = 0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Total swap = 0kB slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 1965979 pages RAM 0 pages HighMem/MovableOnly __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 341741 pages reserved 0 pages cma reserved aoe: skb alloc failure alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825 syz-executor.5 cpuset=syz5 mems_allowed=0-1 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset=/ mems_allowed=0-1 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 Node 0 DMA free:10264kB 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:3455 lowmem_reserve[]: 0 2545 2546 2546 2546 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 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+0x91/0x8c0 mm/slab.c:2682 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 280 total pagecache pages 0 pages in swap cache fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Total swap = 0kB 1965979 pages RAM slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 pages HighMem/MovableOnly 341741 pages reserved 0 pages cma reserved __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 aoe: skb alloc failure alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669 syz-executor.5 cpuset=syz5 mems_allowed=0-1 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset=/ mems_allowed=0-1 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10264kB 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+0x197/0x210 lib/dump_stack.c:118 lowmem_reserve[]: 0 2545 2546 2546 2546 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB 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:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 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+0x91/0x8c0 mm/slab.c:2682 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 280 total pagecache pages 0 pages in swap cache fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 pages HighMem/MovableOnly 341741 pages reserved slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 pages cma reserved aoe: skb alloc failure __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.5 cpuset=syz5 mems_allowed=0-1 alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x7c/0x6e0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0 ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3455 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset=/ mems_allowed=0-1 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 __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+0x91/0x8c0 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] 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:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 68 13 5e ff e9 d1 fe ff ff e8 6d f3 cd ff 48 83 3d bd 03 50 07 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 9a 37 RSP: 0000:ffff88804d0df920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88804e3e0dc0 RDI: 0000000000000286 RBP: ffff88804d0df988 R08: ffff88804e3e0540 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88821bab2b40 R14: 0000000000480020 R15: ffff88821bab2b40 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 ____bpf_clone_redirect net/core/filter.c:2077 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2064 bpf_prog_e2f29814702bf05a+0x49c/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:1791 __do_sys_bpf kernel/bpf/syscall.c:2429 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x397/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: Bad RIP value. RSP: 002b:00007fec21a55c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fec21a566d4 RCX: 000000000045b399 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000058 R14: 00000000004c1ad0 R15: 000000000075bfd4 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 8221 Comm: syz-fuzzer Not tainted 4.19.102-syzkaller #0 Mem-Info: active_anon:254002 inactive_anon:214 isolated_anon:0 active_file:17 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:12719 slab_unreclaimable:1249137 mapped:52226 shmem:252 pagetables:1330 bounce:0 free:10955 free_pcp:216 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Node 0 active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1008kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 133120kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 Node 0 DMA free:10264kB 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:3455 lowmem_reserve[]: 0 2545 2546 2546 2546 Node 0 DMA32 free:13568kB min:36168kB low:45208kB high:54248kB active_anon:1016008kB inactive_anon:856kB active_file:64kB inactive_file:44kB unevictable:0kB writepending:0kB present:3129332kB managed:2609736kB mlocked:0kB kernel_stack:7520kB pagetables:5320kB bounce:0kB free_pcp:516kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB min:12kB low:12kB high:12kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:1140kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 __alloc_pages_slowpath+0x2214/0x2870 mm/page_alloc.c:4315 Node 1 Normal free:19988kB min:53704kB low:67128kB high:80552kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870168kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:348kB local_pcp:248kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (U) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10264kB Node 0 DMA32: 992*4kB (ME) 640*8kB (UME) 198*16kB (UME) 41*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13568kB 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 (UME) 3*8kB (UE) 1*16kB (M) 3*32kB (UE) 2*64kB (ME) 2*128kB (ME) 2*256kB (UM) 3*512kB (ME) 3*1024kB (UM) 1*2048kB (U) 3*4096kB (M) = 19988kB __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 280 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Free swap = 0kB Total swap = 0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 1965979 pages RAM slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 0 pages HighMem/MovableOnly 341741 pages reserved __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 0 pages cma reserved aoe: skb alloc failure alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) ndisc_send_rs+0x35f/0x6e0 net/ipv6/ndisc.c:669 syz-executor.5 cpuset=syz5 mems_allowed=0-1 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3825 call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x64f/0x16a0 kernel/time/timer.c:1697 __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:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf3c/0x10d0 kernel/printk/printk.c:2433 Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 cb 00 00 00 48 83 3d 6d 33 9d 07 00 0f 84 b6 00 00 00 e8 9a e7 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 15 f9 ff ff 48 8b 7d b0 e8 b1 88 4d 00 e9 9b f3 RSP: 0000:ffff8880a1757278 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809ae80480 RBX: 0000000000000200 RCX: 1ffff110135d01b3 RDX: 0000000000000000 RSI: ffffffff815523e6 RDI: 0000000000000293 RBP: ffff8880a1757300 R08: ffff88809ae80480 R09: ffff88809ae80d98 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff84696aa0 R14: 0000000000000032 R15: ffffffff8965e5d0 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1937 vprintk_default+0x28/0x30 kernel/printk/printk.c:1979 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2012 dump_unreclaimable_slab.cold+0xde/0xef mm/slab_common.c:1372 dump_header+0x44b/0xa55 mm/oom_kill.c:447 oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1130 [inline] out_of_memory+0x362/0x1330 mm/oom_kill.c:1062 __alloc_pages_may_oom mm/page_alloc.c:3551 [inline] __alloc_pages_slowpath+0x20b5/0x2870 mm/page_alloc.c:4253 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4417 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:954 page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0xfeb/0x1f00 mm/filemap.c:2592 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6353 __do_fault+0x111/0x480 mm/memory.c:3269 do_read_fault mm/memory.c:3681 [inline] do_fault mm/memory.c:3810 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0x2d78/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1390 do_page_fault+0x71/0x57d arch/x86/mm/fault.c:1465 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x45b153 Code: Bad RIP value. RSP: 002b:000000c4202bc6a0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b97a0e3 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001e4eb40 RBP: 000000c4202bc6e8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c4202bc6d8 R11: 0000000000000202 R12: 00000089891ce028 R13: 0000000000000001 R14: 0000000000c91c60 R15: ffffffffffff8bb0 CPU: 0 PID: 24268 Comm: syz-executor.5 Not tainted 4.19.102-syzkaller #0