0.4.7.13 obfs4proxy invoked oom-killer: at 5.10.0-21-amd64 #1 Debian 5.10.162-1
observed this today at one of my public bridges:
Apr 1 10:38:12 casimir kernel: [5779252.575253] obfs4proxy invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
Apr 1 10:38:12 casimir kernel: [5779252.576277] CPU: 0 PID: 731 Comm: obfs4proxy Not tainted 5.10.0-21-amd64 #1 Debian 5.10.162-1
Apr 1 10:38:12 casimir kernel: [5779252.577153] Hardware name: Hetzner vServer, BIOS 20171111 11/11/2017
Apr 1 10:38:12 casimir kernel: [5779252.577971] Call Trace:
Apr 1 10:38:12 casimir kernel: [5779252.578410] dump_stack+0x6b/0x83
Apr 1 10:38:12 casimir kernel: [5779252.579205] dump_header+0x4a/0x1f4
Apr 1 10:38:12 casimir kernel: [5779252.579673] oom_kill_process.cold+0xb/0x10
Apr 1 10:38:12 casimir kernel: [5779252.580218] out_of_memory+0x1bd/0x4e0
Apr 1 10:38:12 casimir kernel: [5779252.580633] __alloc_pages_slowpath.constprop.0+0xbcc/0xc90
Apr 1 10:38:12 casimir kernel: [5779252.581238] __alloc_pages_nodemask+0x2de/0x310
Apr 1 10:38:12 casimir kernel: [5779252.581715] pagecache_get_page+0x175/0x390
Apr 1 10:38:12 casimir kernel: [5779252.582232] filemap_fault+0x6a2/0x900
Apr 1 10:38:12 casimir kernel: [5779252.582740] ext4_filemap_fault+0x2d/0x50 [ext4]
Apr 1 10:38:12 casimir kernel: [5779252.583234] __do_fault+0x37/0x170
Apr 1 10:38:12 casimir kernel: [5779252.583602] handle_mm_fault+0x124f/0x1c00
Apr 1 10:38:12 casimir kernel: [5779252.584041] do_user_addr_fault+0x1b8/0x400
Apr 1 10:38:12 casimir kernel: [5779252.584565] exc_page_fault+0x78/0x160
Apr 1 10:38:12 casimir kernel: [5779252.585043] ? asm_exc_page_fault+0x8/0x30
Apr 1 10:38:12 casimir kernel: [5779252.585523] asm_exc_page_fault+0x1e/0x30
Apr 1 10:38:12 casimir kernel: [5779252.585961] RIP: 0033:0x43f9a0
Apr 1 10:38:12 casimir kernel: [5779252.586330] Code: Unable to access opcode bytes at RIP 0x43f976.
Apr 1 10:38:12 casimir kernel: [5779252.587043] RSP: 002b:00007fd9b9961dd8 EFLAGS: 00010206
Apr 1 10:38:12 casimir kernel: [5779252.587720] RAX: 00007fd9b9961e20 RBX: 0000000000000077 RCX: 0000000000000001
Apr 1 10:38:12 casimir kernel: [5779252.588462] RDX: 0000000000942c58 RSI: 00007fd9b0de5318 RDI: 00007fd9b99617ec
Apr 1 10:38:12 casimir kernel: [5779252.589208] RBP: 00007fd9b9961e48 R08: 0000000000973628 R09: 00000000000000e9
Apr 1 10:38:12 casimir kernel: [5779252.589939] R10: 0000000000000072 R11: 00000000000000e9 R12: 000000c000000900
Apr 1 10:38:12 casimir kernel: [5779252.590689] R13: 00007ffd4c12b84f R14: 00007fd9b9961fc0 R15: 0000000000802000
Apr 1 10:38:12 casimir kernel: [5779252.591443] Mem-Info:
Apr 1 10:38:12 casimir kernel: [5779252.591702] active_anon:4057 inactive_anon:90306 isolated_anon:0
Apr 1 10:38:12 casimir kernel: [5779252.591702] active_file:20 inactive_file:1 isolated_file:0
Apr 1 10:38:12 casimir kernel: [5779252.591702] unevictable:0 dirty:0 writeback:0
Apr 1 10:38:12 casimir kernel: [5779252.591702] slab_reclaimable:3939 slab_unreclaimable:9965
Apr 1 10:38:12 casimir kernel: [5779252.591702] mapped:28 shmem:130 pagetables:562 bounce:0
Apr 1 10:38:12 casimir kernel: [5779252.591702] free:13591 free_pcp:246 free_cma:0
Apr 1 10:38:12 casimir kernel: [5779252.594927] Node 0 active_anon:16228kB inactive_anon:361224kB active_file:80kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:112kB dirty:0kB writeback:0kB shmem:520kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 327680kB writeback_tmp:0kB kernel_stack:1568kB all_unreclaimable? no
Apr 1 10:38:12 casimir kernel: [5779252.597731] Node 0 DMA free:7916kB min:368kB low:460kB high:552kB reserved_highatomic:0KB active_anon:8kB inactive_anon:0kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Apr 1 10:38:12 casimir kernel: [5779252.600554] lowmem_reserve[]: 0 1878 1878 1878 1878
Apr 1 10:38:12 casimir kernel: [5779252.601068] Node 0 DMA32 free:46496kB min:44684kB low:55852kB high:67020kB reserved_highatomic:2048KB active_anon:16220kB inactive_anon:361224kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:0kB present:2031472kB managed:1965376kB mlocked:0kB pagetables:2244kB bounce:0kB free_pcp:984kB local_pcp:228kB free_cma:0kB
Apr 1 10:38:12 casimir kernel: [5779252.604051] lowmem_reserve[]: 0 0 0 0 0
Apr 1 10:38:12 casimir kernel: [5779252.605074] Node 0 DMA: 22*4kB (UM) 21*8kB (UM) 24*16kB (UM) 2*32kB (U) 2*64kB (M) 3*128kB (UM) 2*256kB (M) 2*512kB (M) 3*1024kB (UM) 1*2048kB (M) 0*4096kB = 7872kB
Apr 1 10:38:12 casimir kernel: [5779252.608014] Node 0 DMA32: 1956*4kB (UME) 1098*8kB (UME) 489*16kB (UME) 134*32kB (ME) 88*64kB (ME) 57*128kB (ME) 20*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46768kB
Apr 1 10:38:12 casimir kernel: [5779252.610624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Apr 1 10:38:12 casimir kernel: [5779252.612218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Apr 1 10:38:12 casimir kernel: [5779252.613600] 202 total pagecache pages
Apr 1 10:38:12 casimir kernel: [5779252.614469] 0 pages in swap cache
Apr 1 10:38:12 casimir kernel: [5779252.615276] Swap cache stats: add 0, delete 0, find 0/0
Apr 1 10:38:12 casimir kernel: [5779252.616263] Free swap = 0kB
Apr 1 10:38:12 casimir kernel: [5779252.617039] Total swap = 0kB
Apr 1 10:38:12 casimir kernel: [5779252.617799] 511866 pages RAM
Apr 1 10:38:12 casimir kernel: [5779252.618586] 0 pages HighMem/MovableOnly
Apr 1 10:38:12 casimir kernel: [5779252.619477] 16545 pages reserved
Apr 1 10:38:12 casimir kernel: [5779252.620297] 0 pages hwpoisoned
Apr 1 10:38:12 casimir kernel: [5779252.621107] Tasks state (memory values in pages):
Apr 1 10:38:12 casimir kernel: [5779252.622061] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
Apr 1 10:38:12 casimir kernel: [5779252.623440] [ 314] 0 314 42776 725 376832 0 -250 systemd-journal
Apr 1 10:38:12 casimir kernel: [5779252.624953] [ 331] 0 331 5431 318 61440 0 -1000 systemd-udevd
Apr 1 10:38:12 casimir kernel: [5779252.626368] [ 449] 0 449 24972 345 77824 0 0 dhclient
Apr 1 10:38:12 casimir kernel: [5779252.627757] [ 688] 0 688 1671 70 49152 0 0 cron
Apr 1 10:38:12 casimir kernel: [5779252.629097] [ 689] 103 689 2065 158 49152 0 -900 dbus-daemon
Apr 1 10:38:12 casimir kernel: [5779252.630493] [ 693] 0 693 20014 67 53248 0 0 qemu-ga
Apr 1 10:38:12 casimir kernel: [5779252.632058] [ 694] 0 694 55200 392 69632 0 0 rsyslogd
Apr 1 10:38:12 casimir kernel: [5779252.633535] [ 697] 0 697 3498 269 65536 0 0 systemd-logind
Apr 1 10:38:12 casimir kernel: [5779252.635032] [ 712] 0 712 931 44 45056 0 0 atd
Apr 1 10:38:12 casimir kernel: [5779252.636367] [ 714] 0 714 3339 242 65536 0 -1000 sshd
Apr 1 10:38:12 casimir kernel: [5779252.637784] [ 716] 0 716 719 28 49152 0 0 agetty
Apr 1 10:38:12 casimir kernel: [5779252.639140] [ 717] 0 717 1361 34 49152 0 0 agetty
Apr 1 10:38:12 casimir kernel: [5779252.640483] [ 718] 106 718 130372 79486 921600 0 0 tor
Apr 1 10:38:12 casimir kernel: [5779252.641801] [ 724] 0 724 6653 1788 94208 0 0 unattended-upgr
Apr 1 10:38:12 casimir kernel: [5779252.643216] [ 729] 106 729 362571 9310 286720 0 0 obfs4proxy
Apr 1 10:38:12 casimir kernel: [5779252.644571] [ 766732] 107 766732 18685 182 57344 0 0 ntpd
Apr 1 10:38:12 casimir kernel: [5779252.645892] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/system-tor.slice/tor@default.service,task=tor,pid=718,uid=106
Apr 1 10:38:13 casimir kernel: [5779253.204108] audit: type=1400 audit(1680345493.298:3): apparmor="DENIED" operation="change_onexec" info="label not found" error=-2 profile="unconfined" name="system_tor" pid=829158 comm="(tor)"
known ?