(UME) 7*16kB R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 (UME) R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff 9*32kB (ME) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: 5*64kB rcu: 0-....: (269 ticks this GP) idle=a5e/1/0x4000000000000002 softirq=568391/568392 fqs=38 (UME) 1*128kB (U) 2*256kB (ME) 2*512kB (UM) 3*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 19828kB 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 402 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 0 pages HighMem/MovableOnly 338856 pages reserved rcu: 0 pages cma reserved (detected by 1, t=10502 jiffies, g=443705, q=9) aoe: skb alloc failure Sending NMI from CPU 1 to CPUs 0: syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) NMI backtrace for cpu 0 CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_switch+0x44/0x80 kernel/kcov.c:224 Code: 3a 48 83 f8 08 74 46 48 83 f8 10 75 27 bf 03 00 00 00 4d 8b 2c 24 31 db 4d 85 ed 74 17 49 8b 74 dc 10 48 83 c3 01 48 8b 4d 08 47 fe ff ff 49 39 dd 75 e9 5b 41 5c 41 5d 5d c3 48 83 f8 40 bf RSP: 0000:ffff8880ae806ff8 EFLAGS: 00000002 RAX: 0000000000000103 RBX: 0000000000000007 RCX: ffffffff86f01682 RDX: 0000000000000075 RSI: 0000000000000070 RDI: 0000000000000001 RBP: ffff8880ae807010 R08: ffff88809f68a000 R09: fffffbfff1467c4d R10: fffffbfff1467c4c R11: ffffffff8a33e266 R12: ffffffff87fd9f80 R13: 000000000000000a R14: ffff8880ae8070a8 R15: ffffffff874c2d2a FS: 000000c420466890(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045b129 CR3: 00000000a4ff5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: format_decode+0x3f2/0xbc0 lib/vsprintf.c:2104 vsnprintf+0x17e/0x19a0 lib/vsprintf.c:2245 sprintf+0xc0/0x100 lib/vsprintf.c:2495 print_time kernel/printk/printk.c:1229 [inline] print_prefix+0x386/0x3f0 kernel/printk/printk.c:1252 msg_print_text+0xc9/0x1c0 kernel/printk/printk.c:1279 console_unlock+0x392/0x10b0 kernel/printk/printk.c:2384 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 warn_alloc.cold+0x71/0x173 mm/page_alloc.c:3440 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 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+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: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:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 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_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 show_mem+0x36/0x17b lib/show_mem.c:18 dump_header+0x1ce/0xa55 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+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer cpuset= syz-executor.5 cpuset= / mems_allowed=0-1 syz5 mems_allowed=0-1 CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 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+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 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+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: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:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 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_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 show_mem+0x36/0x17b lib/show_mem.c:18 dump_header+0x1ce/0xa55 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+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 Mem-Info: active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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 DMA32 free:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 0 0 2 2 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 lowmem_reserve[]: 0 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 0 0 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+0x91/0x8c0 mm/slab.c:2682 Node 1 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Node 0 DMA: skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0*4kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 0*8kB 0*16kB bpf_prog_3aea14b1f6cd0d8b+0xaeb/0x1000 0*32kB 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10304kB Node 0 DMA32: 374*4kB (UMEH) 844*8kB (UMEH) 174*16kB bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 (MH) bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 27*32kB (UMH) 6*64kB (H) 5*128kB (H) 2*256kB (H) 0*512kB bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 0*1024kB __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*2048kB 0*4096kB = 13432kB Node 0 Normal: 1*4kB (U) do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 1*8kB (U) entry_SYSCALL_64_after_hwframe+0x49/0xbe 0*16kB RIP: 0033:0x459879 0*32kB Code: Bad RIP value. 0*64kB 0*128kB RSP: 002b:00007f366966bc78 EFLAGS: 00000246 0*256kB 0*512kB ORIG_RAX: 0000000000000141 0*1024kB RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 0*2048kB 0*4096kB RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a = 12kB Node 1 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 Normal: R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 3*4kB R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) (ME) 3*8kB syz-executor.5 cpuset= (UME) syz5 7*16kB (UME) mems_allowed=0-1 CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 9*32kB (ME) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 5*64kB Call Trace: (UME) 1*128kB __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 (U) 2*256kB warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 (ME) 2*512kB (UM) 3*1024kB (UM) 1*2048kB (E) 3*4096kB (M) __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 = 19828kB 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 402 total pagecache pages 0 pages in swap cache __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM __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+0x91/0x8c0 mm/slab.c:2682 0 pages HighMem/MovableOnly 338856 pages reserved 0 pages cma reserved INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.479 msecs fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 aoe: skb alloc failure ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 syz-fuzzer cpuset= / mems_allowed=0-1 __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: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 d8 d6 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 5d b5 d0 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 72 c7 RSP: 0000:ffff888092d17920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880618e2ec0 RDI: 0000000000000286 RBP: ffff888092d17988 R08: ffff8880618e2640 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 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+0xaeb/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: 0033:0x459879 Code: Bad RIP value. RSP: 002b:00007f366966bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 Mem-Info: active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:380kB free_cma:0kB lowmem_reserve[]: 0 0 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 2 2 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_nodemask+0x617/0x750 mm/page_alloc.c:4409 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+0x91/0x8c0 mm/slab.c:2682 0 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Node 1 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3647 lowmem_reserve[]: 0 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 0 0 0 Node 0 DMA: 0*4kB alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 0*8kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 0*16kB 0*32kB 1*64kB (U) discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 0*128kB 0*256kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 0*512kB 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10304kB Node 0 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 DMA32: 374*4kB (UMEH) __do_softirq+0x25c/0x921 kernel/softirq.c:292 844*8kB (UMEH) 174*16kB (MH) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 27*32kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 (UMH) apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 6*64kB (H) RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 5*128kB (H) Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 2*256kB RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 (H) ORIG_RAX: ffffffffffffff13 0*512kB RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e 0*1024kB 0*2048kB RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 0*4096kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 = 13432kB R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 Node 0 Normal: 1*4kB (U) vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 1*8kB (U) vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 0*16kB 0*32kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 0*64kB printk+0xba/0xed kernel/printk/printk.c:2001 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB show_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 Node 1 Normal: 3*4kB (ME) 3*8kB (UME) show_mem+0x36/0x17b lib/show_mem.c:18 7*16kB (UME) dump_header+0x1ce/0xa55 mm/oom_kill.c:445 9*32kB (ME) 5*64kB (UME) 1*128kB (U) oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 2*256kB (ME) 2*512kB (UM) 3*1024kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 (UM) 1*2048kB (E) 3*4096kB (M) = 19828kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 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 402 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 pages reserved 0 pages cma reserved syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 syz-executor.5 cpuset= alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 syz5 mems_allowed=0-1 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 Mem-Info: CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Call Trace: Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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 DMA32 free:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:224kB free_cma:0kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 lowmem_reserve[]: 0 0 2 2 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 lowmem_reserve[]: __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 0 0 0 0 Node 1 __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+0x91/0x8c0 mm/slab.c:2682 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 0 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 Node 0 DMA: 0*4kB 0*8kB 0*16kB __build_skb+0x3e/0x310 net/core/skbuff.c:281 0*32kB 1*64kB __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 (U) 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 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 (M) call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 2*4096kB (M) = 10304kB Node 0 DMA32: 374*4kB (UMEH) 844*8kB (UMEH) 174*16kB (MH) 27*32kB 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 (UMH) 6*64kB (H) 5*128kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (H) 2*256kB (H) 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 0*2048kB 0*4096kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 = 13432kB Node 0 Normal: 1*4kB 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 (U) Code: 7e 0f 85 db fe ff ff e8 d8 d6 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 5d b5 d0 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 72 c7 1*8kB RSP: 0000:ffff888092d17920 EFLAGS: 00000286 (U) 0*16kB ORIG_RAX: ffffffffffffff13 0*32kB RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 0*64kB 0*128kB RDX: 0000000000000000 RSI: ffff8880618e2ec0 RDI: 0000000000000286 0*256kB 0*512kB RBP: ffff888092d17988 R08: ffff8880618e2640 R09: 0000000000000000 0*1024kB 0*2048kB R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 0*4096kB = 12kB Node 1 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 Normal: ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 3*4kB bpf_prog_3aea14b1f6cd0d8b+0xaeb/0x1000 (ME) 3*8kB (UME) 7*16kB (UME) 9*32kB (ME) 5*64kB (UME) 1*128kB (U) 2*256kB (ME) 2*512kB (UM) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 3*1024kB (UM) bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 1*2048kB (E) 3*4096kB (M) = 19828kB 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 402 total pagecache pages bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 0 pages in swap cache __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 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 pages reserved 0 pages cma reserved do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 aoe: skb alloc failure entry_SYSCALL_64_after_hwframe+0x49/0xbe syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) RIP: 0033:0x459879 syz-fuzzer cpuset= Code: Bad RIP value. / RSP: 002b:00007f366966bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 mems_allowed=0-1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 syz-executor.5: 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-executor.5 cpuset= syz5 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 mems_allowed=0-1 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 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+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: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:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 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_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 show_mem+0x36/0x17b lib/show_mem.c:18 dump_header+0x1ce/0xa55 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+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 Mem-Info: active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 0 0 2 2 Node 0 __alloc_pages_nodemask+0x617/0x750 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+0x91/0x8c0 mm/slab.c:2682 0 0 0 Node 1 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 lowmem_reserve[]: 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 0 DMA: 0*4kB 0*8kB 0*16kB alloc_skb include/linux/skbuff.h:995 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 0*32kB 1*64kB ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669 (U) addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820 0*128kB 0*256kB 0*512kB 0*1024kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 1*2048kB (M) 2*4096kB (M) = 10304kB Node 0 DMA32: 374*4kB (UMEH) 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 844*8kB (UMEH) 174*16kB (MH) 27*32kB (UMH) __do_softirq+0x25c/0x921 kernel/softirq.c:292 6*64kB (H) 5*128kB (H) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 2*256kB (H) exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 0*512kB 0*1024kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 0*2048kB 0*4096kB 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 = 13432kB Code: 7e 0f 85 db fe ff ff e8 d8 d6 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 5d b5 d0 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 72 c7 Node 0 RSP: 0000:ffff888092d17920 EFLAGS: 00000286 Normal: ORIG_RAX: ffffffffffffff13 1*4kB RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 (U) 1*8kB RDX: 0000000000000000 RSI: ffff8880618e2ec0 RDI: 0000000000000286 RBP: ffff888092d17988 R08: ffff8880618e2640 R09: 0000000000000000 (U) R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 0*16kB 0*32kB 0*64kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0*128kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 0*256kB bpf_prog_3aea14b1f6cd0d8b+0xaeb/0x1000 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB Node 1 Normal: 3*4kB (ME) 3*8kB (UME) 7*16kB (UME) 9*32kB (ME) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 5*64kB (UME) bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 1*128kB (U) 2*256kB (ME) 2*512kB bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 (UM) __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 3*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 19828kB do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB entry_SYSCALL_64_after_hwframe+0x49/0xbe Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB RIP: 0033:0x459879 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Code: Bad RIP value. Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB RSP: 002b:00007f366966bc78 EFLAGS: 00000246 402 total pagecache pages ORIG_RAX: 0000000000000141 0 pages in swap cache RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a Swap cache stats: add 0, delete 0, find 0/0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 Free swap = 0kB R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff Total swap = 0kB ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 pages reserved 0 pages cma reserved aoe: skb alloc failure syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) syz-executor.5 cpuset= syz-fuzzer cpuset= syz5 mems_allowed=0-1 / mems_allowed=0-1 CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 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+0x172/0x1f0 lib/dump_stack.c:113 warn_alloc.cold+0x7b/0x173 mm/page_alloc.c:3447 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 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+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] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x32b/0x6d0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3820 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: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 d8 d6 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 5d b5 d0 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 72 c7 RSP: 0000:ffff888092d17920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880618e2ec0 RDI: 0000000000000286 RBP: ffff888092d17988 R08: ffff8880618e2640 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 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+0xaeb/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: 0033:0x459879 Code: Bad RIP value. RSP: 002b:00007f366966bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Call Trace: Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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 DMA32 free:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:380kB free_cma:0kB __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 lowmem_reserve[]: 0 0 2 2 Node 0 __alloc_pages_nodemask+0x617/0x750 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+0x91/0x8c0 mm/slab.c:2682 0 0 0 Node 1 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3224 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3292 lowmem_reserve[]: 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 0 0 Node 0 DMA: 0*4kB alloc_skb include/linux/skbuff.h:995 [inline] new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67 0*8kB aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline] aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1374 0*16kB 0*32kB 1*64kB (U) 0*128kB 0*256kB discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24 0*512kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10304kB Node 0 DMA32: 374*4kB 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 (UMEH) 844*8kB (UMEH) 174*16kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (MH) 27*32kB (UMH) invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 6*64kB (H) exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 5*128kB (H) apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 2*256kB (H) RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_unlock+0xf1b/0x10b0 kernel/printk/printk.c:2414 0*512kB 0*1024kB Code: fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 ce 00 00 00 48 83 3d 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 0*2048kB RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 0*4096kB = 13432kB ORIG_RAX: ffffffffffffff13 Node 0 RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e Normal: 1*4kB RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 (U) RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 1*8kB (U) R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 0*16kB 0*32kB vprintk_emit+0x238/0x690 kernel/printk/printk.c:1927 0*64kB vprintk_default+0x28/0x30 kernel/printk/printk.c:1968 0*128kB 0*256kB vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 0*512kB printk+0xba/0xed kernel/printk/printk.c:2001 0*1024kB 0*2048kB 0*4096kB = 12kB Node 1 Normal: 3*4kB (ME) show_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 3*8kB (UME) 7*16kB (UME) 9*32kB (ME) 5*64kB (UME) show_mem+0x36/0x17b lib/show_mem.c:18 1*128kB (U) dump_header+0x1ce/0xa55 mm/oom_kill.c:445 2*256kB (ME) 2*512kB (UM) 3*1024kB (UM) 1*2048kB oom_kill_process.cold+0x10/0x6ef mm/oom_kill.c:954 (E) 3*4096kB (M) = 19828kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 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 402 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 __alloc_pages_may_oom mm/page_alloc.c:3543 [inline] __alloc_pages_slowpath+0x20af/0x2870 mm/page_alloc.c:4245 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 338856 pages reserved 0 pages cma reserved ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 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_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 Mem-Info: active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 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 lowmem_reserve[]: 0 0 0 0 Node 1 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB 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+0x91/0x8c0 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 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 1*64kB __build_skb+0x3e/0x310 net/core/skbuff.c:281 (U) __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 0*128kB 0*256kB 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 0*512kB 0*1024kB 1*2048kB hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 (M) call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 2*4096kB (M) = 10304kB Node 0 DMA32: 374*4kB (UMEH) 844*8kB 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 (UMEH) 174*16kB (MH) 27*32kB __do_softirq+0x25c/0x921 kernel/softirq.c:292 (UMH) 6*64kB (H) 5*128kB invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 (H) 2*256kB exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 (H) 0*512kB apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 0*1024kB 0*2048kB 0*4096kB = 13432kB 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 Node 0 Code: 7e 0f 85 db fe ff ff e8 d8 d6 5e ff e9 d1 fe ff ff e8 7d ff ce ff 48 83 3d 5d b5 d0 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 72 c7 Normal: RSP: 0000:ffff888092d17920 EFLAGS: 00000286 1*4kB ORIG_RAX: ffffffffffffff13 (U) RAX: 0000000000000007 RBX: 0000000000480020 RCX: 0000000000000000 1*8kB RDX: 0000000000000000 RSI: ffff8880618e2ec0 RDI: 0000000000000286 (U) 0*16kB RBP: ffff888092d17988 R08: ffff8880618e2640 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 0*32kB 0*64kB R13: ffff8880aa34dac0 R14: 0000000000480020 R15: ffff8880aa34dac0 0*128kB 0*256kB 0*512kB skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 0*1024kB 0*2048kB ____bpf_clone_redirect net/core/filter.c:2076 [inline] bpf_clone_redirect+0xb2/0x480 net/core/filter.c:2063 0*4096kB = 12kB bpf_prog_3aea14b1f6cd0d8b+0xaeb/0x1000 Node 1 Normal: 3*4kB (ME) 3*8kB (UME) 7*16kB (UME) 9*32kB (ME) 5*64kB (UME) bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x10d/0x430 net/bpf/test_run.c:43 1*128kB (U) bpf_prog_test_run_skb+0x64b/0xb20 net/bpf/test_run.c:147 2*256kB (ME) 2*512kB (UM) 3*1024kB (UM) 1*2048kB (E) bpf_prog_test_run+0x129/0x1a0 kernel/bpf/syscall.c:1785 3*4096kB (M) __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 = 19828kB 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 402 total pagecache pages do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 0 pages in swap cache entry_SYSCALL_64_after_hwframe+0x49/0xbe Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB RIP: 0033:0x459879 Total swap = 0kB 1965979 pages RAM Code: Bad RIP value. 0 pages HighMem/MovableOnly RSP: 002b:00007f366966bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 338856 pages reserved RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 0 pages cma reserved aoe: skb alloc failure RDX: 0000000000000028 RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366966c6d4 R13: 00000000004bfbf2 R14: 00000000004d18b8 R15: 00000000ffffffff syz-fuzzer cpuset= syz-executor.5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) / syz-executor.5 cpuset= mems_allowed=0-1 CPU: 0 PID: 7541 Comm: syz-fuzzer Not tainted 4.19.68 #42 syz5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 mems_allowed=0-1 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 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 __alloc_pages_nodemask+0x617/0x750 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+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: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:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [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 0e d4 1c 07 00 0f 84 b9 00 00 00 e8 7b e4 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 35 f9 ff ff 48 8b 7d b0 e8 82 77 4c 00 e9 bc f3 RSP: 0000:ffff888093f770b8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809f68a000 RBX: 0000000000000200 RCX: 1ffff11013ed151e RDX: 0000000000000000 RSI: ffffffff815570c5 RDI: 0000000000000293 RBP: ffff888093f77140 R08: ffff88809f68a000 R09: ffff88809f68a8f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff8410b6c0 R14: 0000000000000017 R15: ffffffff88d78cb0 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_free_areas.cold+0x1be/0x900 mm/page_alloc.c:5047 show_mem+0x36/0x17b lib/show_mem.c:18 dump_header+0x1ce/0xa55 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+0x20af/0x2870 mm/page_alloc.c:4245 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2193 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:968 [inline] __page_cache_alloc+0x2bd/0x450 mm/filemap.c:953 page_cache_read mm/filemap.c:2407 [inline] filemap_fault+0x10bb/0x2250 mm/filemap.c:2591 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6300 __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:000000c420039ea0 EFLAGS: 00010206 RAX: ffffffffffffff92 RBX: 000000003b9804d2 RCX: 000000000045b153 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000017dc3e0 RBP: 000000c420039ee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c420039ed8 R11: 0000000000000206 R12: 0000029dd32e9132 R13: 0000000000000001 R14: 000000c429ac3500 R15: 0000000000000001 warn_alloc_show_mem: 1 callbacks suppressed CPU: 1 PID: 32663 Comm: syz-executor.5 Not tainted 4.19.68 #42 Mem-Info: active_anon:111504 inactive_anon:320 isolated_anon:0 active_file:13 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:9548 slab_unreclaimable:1394774 mapped:52226 shmem:377 pagetables:3527 bounce:0 free:10894 free_pcp:151 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 241664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:424kB inactive_anon:0kB active_file:8kB 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:10304kB 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:13432kB min:36248kB low:45308kB high:54368kB active_anon:445592kB inactive_anon:1280kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:3129332kB managed:2619972kB mlocked:0kB kernel_stack:10240kB pagetables:14108kB bounce:0kB free_pcp:604kB local_pcp:224kB free_cma:0kB lowmem_reserve[]: 0 __alloc_pages_slowpath+0x220e/0x2870 mm/page_alloc.c:4307 0 2 2 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 lowmem_reserve[]: 0 0 __alloc_pages_nodemask+0x617/0x750 mm/page_alloc.c:4409 0 0 Node 1 Normal free:19828kB min:53608kB low:67008kB high:80408kB active_anon:424kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:32kB 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+0x91/0x8c0 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 0 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3557 DMA: 0*4kB 0*8kB __build_skb+0x3e/0x310 net/core/skbuff.c:281 0*16kB __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:426 0*32kB 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 1*64kB (U) 0*128kB hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:348 0*256kB 0*512kB call_timer_fn+0x18d/0x720 kernel/time/timer.c:1326 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10304kB