lowmem_reserve[]: 0 0 0 0 0 pages cma reserved Node 0 DMA: 4*4kB (ME) 3*8kB (UME) 3*16kB (UME) 3*32kB (UME) 2*64kB (UE) 3*128kB (UME) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UME) 2*2048kB (UE) 1*4096kB (M) = 14008kB ------------[ cut here ]------------ Node 0 DMA32: 771*4kB (MEH) 379*8kB (UMEH) 232*16kB (UMEH) 135*32kB (UMEH) 59*64kB (UMH) 3*128kB (UH) 0*256kB 0*512kB 0*1024kB 2*2048kB (U) 2*4096kB (UM) = 30596kB kernel BUG at mm/kmsan/kmsan_hooks.c:372! invalid opcode: 0000 [#1] SMP Node 0 Normal: 138*4kB (UME) 53*8kB (M) 25*16kB (UM) 21*32kB (UM) 9*64kB (UM) 3*128kB (U) 0*256kB 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 3520kB CPU: 1 PID: 18715 Comm: syz-executor.5 Not tainted 5.1.0-rc4+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kmsan_vmap_page_range_noflush+0x3dd/0x3e0 mm/kmsan/kmsan.h:205 Code: 85 e4 74 08 4c 89 e7 e8 a1 34 fd ff 48 85 db 0f 84 5f fc ff ff 48 89 df e8 90 34 fd ff e9 52 fc ff ff 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 90 55 48 89 e5 be c0 0d 00 00 e8 82 19 fd ff 5d c3 55 48 89 RSP: 0018:ffff88809e68f948 EFLAGS: 00010282 Node 1 Normal: 581*4kB (UME) 423*8kB (UME) 218*16kB (UME) 96*32kB (UME) 36*64kB (UME) 20*128kB (UME) 3*256kB (UM) 0*512kB 1*1024kB (U) 1*2048kB (U) 0*4096kB = 20972kB RAX: 00000000fffffff4 RBX: ffff8881cd680000 RCX: 0000000000040000 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB RDX: ffffc90010815000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff88809e68f988 R08: 000000000c2b9558 R09: 0000778000000001 R10: ffffd0ffffffffff R11: 0000100000000000 R12: ffff8881cd780000 R13: 0000100000000000 R14: ffffc90044a69000 R15: ffffc9003ca69000 FS: 00007f328df8c700(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000458d7f CR3: 00000000a5b37000 CR4: 00000000001426e0 Call Trace: vmap_page_range_noflush mm/vmalloc.c:253 [inline] vmap_page_range mm/vmalloc.c:262 [inline] map_vm_area mm/vmalloc.c:1367 [inline] __vmalloc_area_node mm/vmalloc.c:1741 [inline] __vmalloc_node_range+0xe08/0x1450 mm/vmalloc.c:1790 __vmalloc_node mm/vmalloc.c:1845 [inline] __vmalloc_node_flags mm/vmalloc.c:1859 [inline] vzalloc+0xd8/0xf0 mm/vmalloc.c:1904 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB alloc_one_pg_vec_page net/packet/af_packet.c:4193 [inline] alloc_pg_vec net/packet/af_packet.c:4218 [inline] packet_set_ring+0xe08/0x3c80 net/packet/af_packet.c:4302 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB packet_setsockopt+0xe01/0x5f20 net/packet/af_packet.c:3653 __sys_setsockopt+0x493/0x540 net/socket.c:2046 322 total pagecache pages __do_sys_setsockopt net/socket.c:2057 [inline] __se_sys_setsockopt+0xdd/0x100 net/socket.c:2054 0 pages in swap cache __x64_sys_setsockopt+0x62/0x80 net/socket.c:2054 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x458da9 Swap cache stats: add 0, delete 0, find 0/0 Code: Bad RIP value. RSP: 002b:00007f328df8bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000458da9 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000404 R09: 0000000000000000 Free swap = 0kB R10: 0000000020000040 R11: 0000000000000246 R12: 00007f328df8c6d4 R13: 00000000004c7169 R14: 00000000004dcc08 R15: 00000000ffffffff Modules linked in: ---[ end trace 1c7e1aa34ff4d9e6 ]--- Total swap = 0kB RIP: 0010:kmsan_vmap_page_range_noflush+0x3dd/0x3e0 mm/kmsan/kmsan.h:205 1965979 pages RAM Code: 85 e4 74 08 4c 89 e7 e8 a1 34 fd ff 48 85 db 0f 84 5f fc ff ff 48 89 df e8 90 34 fd ff e9 52 fc ff ff 0f 0b 0f 0b 0f 0b 0f 0b <0f> 0b 90 55 48 89 e5 be c0 0d 00 00 e8 82 19 fd ff 5d c3 55 48 89 0 pages HighMem/MovableOnly RSP: 0018:ffff88809e68f948 EFLAGS: 00010282 285200 pages reserved RAX: 00000000fffffff4 RBX: ffff8881cd680000 RCX: 0000000000040000 0 pages cma reserved oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=16903,uid=0 RDX: ffffc90010815000 RSI: 000000000003ffff RDI: 0000000000040000 Out of memory: Killed process 16903 (syz-executor.5) total-vm:72580kB, anon-rss:2204kB, file-rss:34816kB, shmem-rss:0kB RBP: ffff88809e68f988 R08: 000000000c2b9558 R09: 0000778000000001 init invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 R10: ffffd0ffffffffff R11: 0000100000000000 R12: ffff8881cd780000 R13: 0000100000000000 R14: ffffc90044a69000 R15: ffffc9003ca69000 CPU: 0 PID: 1 Comm: init Tainted: G D 5.1.0-rc4+ #2 FS: 00007f328df8c700(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000 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+0x173/0x1d0 lib/dump_stack.c:113 dump_header+0x1e7/0x1960 mm/oom_kill.c:451 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 oom_kill_process+0x22e/0x5c0 mm/oom_kill.c:963 CR2: 0000000000458d7f CR3: 00000000a5b37000 CR4: 00000000001426e0 out_of_memory+0x1250/0x1d00 mm/oom_kill.c:1100 __alloc_pages_may_oom mm/page_alloc.c:3742 [inline] __alloc_pages_slowpath mm/page_alloc.c:4463 [inline] __alloc_pages_nodemask+0x50de/0x5e90 mm/page_alloc.c:4633 alloc_pages_current+0x6a4/0x9c0 mm/mempolicy.c:2132