syzbot


INFO: task hung in dump_header

Status: auto-closed as invalid on 2019/06/13 23:57
Reported-by: syzbot+9d953bf16d3683a599d7@syzkaller.appspotmail.com
First crash: 2016d, last: 2016d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in dump_header (2) 4 888d 913d 0/1 auto-closed as invalid on 2022/05/17 01:18
linux-4.19 INFO: task hung in dump_header 1 1653d 1653d 0/1 auto-closed as invalid on 2020/04/12 06:53
upstream INFO: task hung in dump_header mm 1 1975d 1975d 0/27 auto-closed as invalid on 2019/07/25 03:27

Sample crash report:
[12956]     0 12956    17585     8200      25       3        0             0 syz-executor0
[12973]     0 12973    17585     8201      25       3        0             0 syz-executor0
[12987]     0 12987    17585     8201      25       3        0             0 syz-executor0
[12993]     0 12993    17618     8203      25       3        0             0 syz-executor0
[13012]     0 13012    17585     8201      25       3        0             0 syz-executor0
INFO: task syz-executor5:7752 blocked for more than 140 seconds.
      Not tainted 4.14.88+ #23
[13032]     0 13032    17585     8201      25       3        0             0 syz-executor0
[13037]     0 13037    17618     8203      25       3        0             0 syz-executor0
[13051]     0 13051    17585     8201      25       3        0             0 syz-executor0
[13055]     0 13055    17651     8205      25       3        0             0 syz-executor0
[13076]     0 13076    17585     8201      25       3        0             0 syz-executor0
[13081]     0 13081    17618     8203      25       3        0             0 syz-executor0
[13092]     0 13092    17585     8201      25       3        0             0 syz-executor0
[13094]     0 13094    17618     8203      25       3        0             0 syz-executor0
[13111]     0 13111    17585     8201      25       3        0             0 syz-executor0
[13114]     0 13114    17651     8205      25       3        0             0 syz-executor0
[13133]     0 13133    17585     8201      25       3        0             0 syz-executor0
[13136]     0 13136    17618     8203      25       3        0             0 syz-executor0
[13147]     0 13147    17585     8201      25       3        0             0 syz-executor0
[13150]     0 13150    17618     8203      25       3        0             0 syz-executor0
[16529]     0 16529    17618    12677      31       3        0             0 syz-executor4
[16571]     0 16571    17680    12769      31       3        0             0 syz-executor4
[18391]     0 18391    17585     8232      25       4        0          1000 syz-executor2
[18441]     0 18441    17717     8239      25       4        0          1000 syz-executor2
[19678]     0 19678    17582     8199      24       4        0          1000 syz-executor3
[19681]     0 19681    17615     8201      24       4        0          1000 syz-executor3
[25217]     0 25217    17585     8199      24       3        0             0 syz-executor0
[25220]     0 25220    17651     8203      24       3        0             0 syz-executor0
[26043]     0 26043    17651     8235      25       5        0          1000 syz-executor3
[26746]     0 26746    17684     8240      25       4        0             0 syz-executor4
[27422]     0 27422    17684     8236      25       4        0          1000 syz-executor1
[28037]     0 28037    17585     8202      26       3        0             0 syz-executor0
[28046]     0 28046    17618     8205      27       3        0             0 syz-executor0
[28099]     0 28099    17585     8202      26       3        0             0 syz-executor0
[28407]     0 28407    17618    12677      32       3        0             0 syz-executor0
[28460]     0 28460    17651    12739      32       3        0             0 syz-executor0
[29037]     0 29037    17684     8239      26       4        0             0 syz-executor0
[29265]     0 29265    17585     8200      25       3        0             0 syz-executor0
[29273]     0 29273    17618     8202      25       3        0             0 syz-executor0
[29313]     0 29313    17651     8236      26       4        0             0 syz-executor0
[30699]     0 30699    17651     8241      25       4        0             0 syz-executor4
[30875]     0 30875    17651     8233      25       4        0          1000 syz-executor1
[30950]     0 30950    17684     8241      25       4        0             0 syz-executor4
[31166]     0 31166    17750     8242      26       4        0          1000 syz-executor2
[31172]     0 31172    17651     8239      25       4        0             0 syz-executor4
[31265]     0 31265    17618     8203      24       3        0             0 syz-executor4
[32260]     0 32260    17585     8232      26       4        0             0 syz-executor0
[ 2541]     0  2541    17585     8201      25       3        0             0 syz-executor0
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       40       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       39       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 12189 (syz-executor2) score 1004 or sacrifice child
Killed process 12189 (syz-executor2) total-vm:70868kB, anon-rss:204kB, file-rss:32768kB, shmem-rss:0kB
syz-executor3 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 3590 Comm: syz-executor3 Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: abc36e38:0x4bc626
RSP: abc36cc0:00007ffcabc36cb0 EFLAGS: 004bc626
Mem-Info:
active_anon:115070 inactive_anon:46705 isolated_anon:0
 active_file:26 inactive_file:126 isolated_file:32
 unevictable:1 dirty:5 writeback:0 unstable:0
 slab_reclaimable:9799 slab_unreclaimable:80064
 mapped:49167 shmem:4123 pagetables:27932 bounce:0
 free:5873 free_pcp:61 free_cma:0
Node 0 active_anon:460280kB inactive_anon:186820kB active_file:104kB inactive_file:504kB unevictable:4kB isolated(anon):0kB isolated(file):128kB mapped:196668kB dirty:20kB writeback:0kB shmem:16492kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[12931]     0 12931    17651     8237      27       4        0          1000 syz-executor2
[12947]     0 12947    17684     8223      27       4        0          1000 syz-executor2
[12991]     0 12991    17684     8223      27       4        0          1000 syz-executor2
[13004]     0 13004    17684     8239      27       4        0          1000 syz-executor2
[13010]     0 13010    17684     8239      27       4        0          1000 syz-executor2
[13091]     0 13091    17651     8237      27       4        0          1000 syz-executor2
[13099]     0 13099    17651     8237      27       4        0          1000 syz-executor2
[13143]     0 13143    17651     8237      27       4        0          1000 syz-executor2
[13160]     0 13160    17651     8237      27       4        0          1000 syz-executor2
[13176]     0 13176    17651     8237      27       4        0          1000 syz-executor2
[13185]     0 13185    17651     8237      27       4        0          1000 syz-executor2
[13191]     0 13191    17651     8237      27       4        0          1000 syz-executor2
[13215]     0 13215    17651     8237      27       4        0          1000 syz-executor2
[13224]     0 13224    17651     8237      27       4        0          1000 syz-executor2
[10804]     0 10804    17585     8200      25       3        0             0 syz-executor0
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 31166 (syz-executor2) score 1004 or sacrifice child
Killed process 31166 (syz-executor2) total-vm:71000kB, anon-rss:200kB, file-rss:32768kB, shmem-rss:0kB
modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 7815 Comm: modprobe Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
[21973]     0 21973    17585     8234      25       4        0             0 syz-executor4
[ 9684]     0  9684    17585     8229      24       5        0          1000 syz-executor3
[ 9744]     0  9744    17618     8203      25       3        0             0 syz-executor0
[ 9820]     0  9820    17618     8203      25       3        0             0 syz-executor0
[ 9826]     0  9826    17585     8229      24       5        0          1000 syz-executor3
[ 9867]     0  9867    17618     8203      25       3        0             0 syz-executor0
[ 9918]     0  9918    17618     8203      25       3        0             0 syz-executor0
[ 9926]     0  9926    17585     8229      24       5        0          1000 syz-executor3
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 11716 (syz-executor2) score 1004 or sacrifice child
Killed process 11716 (syz-executor2) total-vm:70604kB, anon-rss:192kB, file-rss:32768kB, shmem-rss:0kB
rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 1632 Comm: rsyslogd Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: cfc0b5a3:0x1
RSP: cfa0850c:0000000000000006 EFLAGS: 00000000
Mem-Info:
active_anon:114990 inactive_anon:46705 isolated_anon:0
 active_file:16 inactive_file:154 isolated_file:0
 unevictable:1 dirty:6 writeback:0 unstable:0
 slab_reclaimable:9799 slab_unreclaimable:80064
 mapped:49155 shmem:4123 pagetables:27879 bounce:0
 free:5851 free_pcp:65 free_cma:0
Node 0 active_anon:459960kB inactive_anon:186820kB active_file:64kB inactive_file:616kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196620kB dirty:24kB writeback:0kB shmem:16492kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:18096kB min:4792kB low:7868kB high:10944kB active_anon:6892kB inactive_anon:71744kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:544kB pagetables:904kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 3437 3437
Normal free:5308kB min:5480kB low:9000kB high:12520kB active_anon:453168kB inactive_anon:115076kB active_file:200kB inactive_file:688kB unevictable:4kB writepending:24kB present:4718592kB managed:3521688kB mlocked:0kB kernel_stack:38752kB pagetables:110612kB bounce:0kB free_pcp:260kB local_pcp:260kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 150*4kB (M) 49*8kB (UM) 11*16kB (M) 1*32kB (M) 0*64kB 0*128kB 4*256kB (M) 5*512kB (UM) 5*1024kB (M) 4*2048kB (UM) 0*4096kB = 18096kB
Normal: 1228*4kB (ME) 54*8kB (UME) 0*16kB 3*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5440kB
4356 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
315639 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  190]     0   190     5366      168      16       3        0         -1000 udevd
[ 1498]     0  1498     2493      572       9       3        0             0 dhclient
[ 1629]     0  1629    14272      207      23       3        0             0 rsyslogd
[ 1684]     0  1684     4725       50      15       3        0             0 cron
[ 1695]     0  1695     3736       55      11       3        0             0 mcstransd
[ 1705]     0  1705    12927     1232      26       3        0             0 restorecond
[ 1727]     0  1727    12490      153      28       3        0         -1000 sshd
[ 1760]     0  1760     3649       39      13       3        0             0 getty
[ 1776]     0  1776    17856      217      39       3        0             0 sshd
[ 1778]     0  1778   129058    73437     214       5        0             0 syz-fuzzer
[ 1840]     0  1840    17553       17      22       3        0             0 syz-executor0
[ 1842]     0  1842    17553       17      22       3        0             0 syz-executor2
[ 1844]     0  1844    17553       16      22       3        0             0 syz-executor4
[ 1846]     0  1846    17552     8220      23       4        0             0 syz-executor0
[ 1848]     0  1848    17552     8077      23       4        0             0 syz-executor2
[ 1849]     0  1849    17552     8222      23       4        0             0 syz-executor4
[ 4670]     0  4670    17618     8232      26       4        0          1000 syz-executor0
[ 4852]     0  4852    17651     8233      26       4        0          1000 syz-executor2
[ 5143]     0  5143    17618     8238      26       4        0          1000 syz-executor4
[ 5179]     0  5179    17618     8201      25       3        0          1000 syz-executor0
[ 5195]     0  5195    17651     8205      25       3        0          1000 syz-executor0
[ 5735]     0  5735    17585     8189      23       3        0             0 syz-executor4
[ 5742]     0  5742    17651     8203      25       3        0             0 syz-executor4
[ 5812]     0  5812    17649     8234      25       4        0             0 syz-executor4
[ 6132]     0  6132    17585     8189      23       3        0          1000 syz-executor2
[ 6162]     0  6162    17717     8207      26       3        0          1000 syz-executor2
[ 7651]     0  7651    17618     8236      25       4        0             0 syz-executor4
[ 7738]     0  7738    17651     8235      26       4        0          1000 syz-executor0
[ 7741]     0  7741    17651     8235      26       4        0          1000 syz-executor0
[10151]     0 10151    17618     8232      26       4        0          1000 syz-executor2
[15302]     0 15302    17618     8234      26       4        0          1000 syz-executor2
[15335]     0 15335    17585     8232      25       4        0          1000 syz-executor2
[15356]     0 15356    17585     8232      25       4        0          1000 syz-executor2
[15385]     0 15385    17585     8231      24       4        0          1000 syz-executor2
[15392]     0 15392    17585     8191      23       3        0          1000 syz-executor2
[15668]     0 15668    17585     8196      23       3        0          1000 syz-executor2
[15672]     0 15672    17618     8203      25       3        0          1000 syz-executor2
[15745]     0 15745    17585     8191      23       3        0          1000 syz-executor2
[15749]     0 15749    17585     8200      24       3        0          1000 syz-executor2
[15795]     0 15795    17618     8233      26       4        0          1000 syz-executor2
[15828]     0 15828    17618     8235      26       4        0          1000 syz-executor2
[15946]     0 15946    17618     8234      26       4        0          1000 syz-executor2
[16000]     0 16000    17618     8234      26       4        0          1000 syz-executor2
[16013]     0 16013    17618     8235      26       4        0          1000 syz-executor2
[16024]     0 16024    17618     8234      26       4        0          1000 syz-executor2
[16066]     0 16066    17585     8191      23       3        0          1000 syz-executor2
[16073]     0 16073    17585     8200      24       3        0          1000 syz-executor2
[16098]     0 16098    17585     8200      24       3        0          1000 syz-executor2
[16106]     0 16106    17618     8202      25       3        0          1000 syz-executor2
[16250]     0 16250    17618     8234      26       4        0          1000 syz-executor2
[16339]     0 16339    17585     8200      24       3        0          1000 syz-executor2
[16343]     0 16343    17618     8202      25       3        0          1000 syz-executor2
[16372]     0 16372    17585     8191      23       3        0          1000 syz-executor2
[16377]     0 16377    17585     8200      24       3        0          1000 syz-executor2
[16445]     0 16445    17585     8200      24       3        0          1000 syz-executor2
[16544]     0 16544    17618     8234      26       4        0          1000 syz-executor2
[16553]     0 16553    17618     8234      26       4        0          1000 syz-executor2
[16563]     0 16563    17618     8234      26       4        0          1000 syz-executor2
[16580]     0 16580    17618     8234      26       4        0          1000 syz-executor2
[16593]     0 16593    17585     8191      23       3        0          1000 syz-executor2
[16595]     0 16595    17585     8199      23       3        0          1000 syz-executor2
[16627]     0 16627    17585     8191      23       3        0          1000 syz-executor2
[16631]     0 16631    17585     8200      24       3        0          1000 syz-executor2
[16681]     0 16681    17585     8191      23       3        0          1000 syz-executor2
[16707]     0 16707    17618     8202      25       3        0          1000 syz-executor2
[16721]     0 16721    17585     8200      24       3        0          1000 syz-executor2
[16733]     0 16733    17618     8203      25       3        0          1000 syz-executor2
[16783]     0 16783    17618     8234      26       4        0          1000 syz-executor2
[16860]     0 16860    17585     8191      23       3        0          1000 syz-executor2
[16865]     0 16865    17585     8199      23       3        0          1000 syz-executor2
[16929]     0 16929    17618     8234      26       4        0          1000 syz-executor2
[16939]     0 16939    17618     8232      26       4        0          1000 syz-executor0
[16952]     0 16952    17585     8200      24       3        0          1000 syz-executor2
[16955]     0 16955    17618     8202      25       3        0          1000 syz-executor2
[16983]     0 16983    17585     8199      23       3        0          1000 syz-executor2
[16997]     0 16997    17618     8234      26       4        0          1000 syz-executor2
[17066]     0 17066    17618     8234      26       4        0          1000 syz-executor2
[17096]     0 17096    17618     8234      26       4        0          1000 syz-executor2
[17106]     0 17106    17618     8234      26       4        0          1000 syz-executor2
[17174]     0 17174    17618     8234      26       4        0          1000 syz-executor2
[17194]     0 17194    17585     8191      23       3        0          1000 syz-executor2
[17201]     0 17201    17618     8203      25       3        0          1000 syz-executor2
[17222]     0 17222    17585     8191      23       3        0          1000 syz-executor2
[27631]     0 27631    17585     8202      24       3        0          1000 syz-executor2
[11614]     0 11614    17618     8203      25       3        0             0 syz-executor0
[11617]     0 11617    17618     8203      25       3        0             0 syz-executor0
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 2492 (syz-executor2) score 1004 or sacrifice child
Killed process 2492 (syz-executor2) total-vm:70748kB, anon-rss:196kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 2492 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 7821 Comm: modprobe Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
[ 5195]     0  5195    17651     8205      25       3        0          1000 syz-executor0
[11821]     0 11821    17651     8237      27       4        0          1000 syz-executor2
[11855]     0 11855    17651     8237      27       4        0          1000 syz-executor2
[11866]     0 11866    17618     8235      27       4        0          1000 syz-executor2
[26860]     0 26860    17585     8202      24       3        0          1000 syz-executor2
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7178]     0  7178    17654     8238      27       4        0          1000 syz-executor2
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 13004 (syz-executor2) score 1004 or sacrifice child
Killed process 13004 (syz-executor2) total-vm:70736kB, anon-rss:188kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 13004 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=-1000
CPU: 0 PID: 5933 Comm: udevd Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
[16783]     0 16783    17618     8234      26       4        0          1000 syz-executor2
[17350]     0 17350    17585     8191      23       3        0          1000 syz-executor2
[17357]     0 17357    17585     8200      24       3        0          1000 syz-executor2
[17542]     0 17542    17585     8202      24       3        0             0 syz-executor4
[17546]     0 17546    17618     8206      24       3        0             0 syz-executor4
[17558]     0 17558    17585     8234      25       4        0             0 syz-executor4
[12541]     0 12541    17618     8235      27       4        0          1000 syz-executor2
[12151]     0 12151    17618     8203      25       3        0             0 syz-executor0
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7178]     0  7178    17654     8238      27       4        0          1000 syz-executor2
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[20339]     0 20339    17585     8234      25       4        0             0 syz-executor4
[20363]     0 20363    17585     8234      25       4        0             0 syz-executor4
[20576]     0 20576    17651     8236      26       4        0          1000 syz-executor2
[12311]     0 12311    17618     8235      27       4        0          1000 syz-executor2
[12444]     0 12444    17651     8237      27       4        0          1000 syz-executor2
[11495]     0 11495    17585     8201      25       3        0             0 syz-executor0
[27422]     0 27422    17684     8236      25       4        0          1000 syz-executor1
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7178]     0  7178    17654     8238      27       4        0          1000 syz-executor2
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[31384]     0 31384    17651     8211      26       3        0             0 syz-executor4
[31403]     0 31403    17585     8204      24       3        0             0 syz-executor4
[31413]     0 31413    17618     8209      26       3        0             0 syz-executor4
[31472]     0 31472    17618     8208      25       3        0             0 syz-executor4
[11229]     0 11229    17618     8202      25       3        0             0 syz-executor0
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7178]     0  7178    17654     8238      27       4        0          1000 syz-executor2
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 13334 (syz-executor2) score 1004 or sacrifice child
Killed process 13334 (syz-executor2) total-vm:70604kB, anon-rss:184kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 13334 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=-1000
CPU: 0 PID: 6188 Comm: udevd Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: aa1170:0xa6d030
RSP: aa1170:0000000000aa1218 EFLAGS: 00000001
Mem-Info:
active_anon:114807 inactive_anon:46705 isolated_anon:0
 active_file:61 inactive_file:153 isolated_file:0
 unevictable:1 dirty:6 writeback:7 unstable:0
 slab_reclaimable:9799 slab_unreclaimable:80065
 mapped:49154 shmem:4123 pagetables:27744 bounce:0
 free:5745 free_pcp:30 free_cma:0
Node 0 active_anon:459228kB inactive_anon:186820kB active_file:244kB inactive_file:612kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:24kB writeback:28kB shmem:16492kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:18096kB min:4792kB low:7868kB high:10944kB active_anon:6892kB inactive_anon:71744kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:544kB pagetables:904kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 3437 3437
Normal free:4884kB min:5480kB low:9000kB high:12520kB active_anon:452336kB inactive_anon:115076kB active_file:244kB inactive_file:596kB unevictable:4kB writepending:52kB present:4718592kB managed:3521688kB mlocked:0kB kernel_stack:38560kB pagetables:110072kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 150*4kB (M) 49*8kB (UM) 11*16kB (M) 1*32kB (M) 0*64kB 0*128kB 4*256kB (M) 5*512kB (UM) 5*1024kB (M) 4*2048kB (UM) 0*4096kB = 18096kB
Normal: 1089*4kB (UME) 58*8kB (M) 4*16kB (UM) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4884kB
4369 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
315639 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  190]     0   190     5366      168      16       3        0         -1000 udevd
[ 1498]     0  1498     2493      572       9       3        0             0 dhclient
[ 1629]     0  1629    14272      207      23       3        0             0 rsyslogd
[ 1684]     0  1684     4725       50      15       3        0             0 cron
[ 1695]     0  1695     3736       55      11       3        0             0 mcstransd
[ 1705]     0  1705    12927     1232      26       3        0             0 restorecond
[ 1727]     0  1727    12490      153      28       3        0         -1000 sshd
[ 1760]     0  1760     3649       39      13       3        0             0 getty
[ 1776]     0  1776    17856      217      39       3        0             0 sshd
[ 1778]     0  1778   129058    73437     214       5        0             0 syz-fuzzer
[ 1840]     0  1840    17553       17      22       3        0             0 syz-executor0
[ 1842]     0  1842    17553       17      22       3        0             0 syz-executor2
[ 1844]     0  1844    17553       16      22       3        0             0 syz-executor4
[ 1846]     0  1846    17552     8220      23       4        0             0 syz-executor0
[ 1848]     0  1848    17552     8077      23       4        0             0 syz-executor2
[17357]     0 17357    17585     8200      24       3        0          1000 syz-executor2
[17542]     0 17542    17585     8202      24       3        0             0 syz-executor4
[17546]     0 17546    17618     8206      24       3        0             0 syz-executor4
[28573]     0 28573    17585     8201      24       3        0          1000 syz-executor2
[11225]     0 11225    17585     8200      25       3        0             0 syz-executor0
[11229]     0 11229    17618     8202      25       3        0             0 syz-executor0
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7178]     0  7178    17654     8238      27       4        0          1000 syz-executor2
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 7178 (syz-executor2) score 1004 or sacrifice child
Killed process 7178 (syz-executor2) total-vm:70616kB, anon-rss:184kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 7178 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
[14065]     0 14065    17651     8237      27       4        0          1000 syz-executor2
[14069]     0 14069    17651     8237      27       4        0          1000 syz-executor2
[14084]     0 14084    17651     8237      27       4        0          1000 syz-executor2
[14091]     0 14091    17651     8237      27       4        0          1000 syz-executor2
[14095]     0 14095    17651     8237      27       4        0          1000 syz-executor2
[14123]     0 14123    17651     8237      27       4        0          1000 syz-executor2
[24720]     0 24720    17618     8204      25       3        0          1000 syz-executor2
[12249]     0 12249    17618     8203      25       3        0             0 syz-executor0
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 5143 (syz-executor4) score 1004 or sacrifice child
Killed process 5143 (syz-executor4) total-vm:70472kB, anon-rss:184kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 5143 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 7822 Comm: modprobe Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
[23252]     0 23252    17585     8189      24       3        0          1000 syz-executor0
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 10776 (syz-executor2) score 1004 or sacrifice child
Killed process 10776 (syz-executor2) total-vm:70604kB, anon-rss:180kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 10776 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
init invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 1 Comm: init Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: 9b166fa7:0x1
RSP: 9b164c20:0000000000000000 EFLAGS: ffffffff
Mem-Info:
active_anon:114706 inactive_anon:46705 isolated_anon:0
 active_file:81 inactive_file:151 isolated_file:0
 unevictable:1 dirty:7 writeback:7 unstable:0
 slab_reclaimable:9799 slab_unreclaimable:80065
 mapped:49154 shmem:4123 pagetables:27744 bounce:0
 free:5738 free_pcp:32 free_cma:0
Node 0 active_anon:458824kB inactive_anon:186820kB active_file:324kB inactive_file:604kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:28kB writeback:28kB shmem:16492kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:18204kB min:4792kB low:7868kB high:10944kB active_anon:6784kB inactive_anon:71744kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:544kB pagetables:904kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[16929]     0 16929    17618     8234      26       4        0          1000 syz-executor2
[16939]     0 16939    17618     8232      26       4        0          1000 syz-executor0
[16952]     0 16952    17585     8200      24       3        0          1000 syz-executor2
[16955]     0 16955    17618     8202      25       3        0          1000 syz-executor2
[16983]     0 16983    17585     8199      23       3        0          1000 syz-executor2
[16997]     0 16997    17618     8234      26       4        0          1000 syz-executor2
[17066]     0 17066    17618     8234      26       4        0          1000 syz-executor2
[17096]     0 17096    17618     8234      26       4        0          1000 syz-executor2
[17106]     0 17106    17618     8234      26       4        0          1000 syz-executor2
[17174]     0 17174    17618     8234      26       4        0          1000 syz-executor2
[17194]     0 17194    17585     8191      23       3        0          1000 syz-executor2
[17201]     0 17201    17618     8203      25       3        0          1000 syz-executor2
[17222]     0 17222    17585     8191      23       3        0          1000 syz-executor2
[17226]     0 17226    17585     8199      23       3        0          1000 syz-executor2
[17238]     0 17238    17618     8234      26       4        0          1000 syz-executor2
[17253]     0 17253    17618     8234      26       4        0          1000 syz-executor2
[17276]     0 17276    17618     8234      26       4        0          1000 syz-executor2
[17290]     0 17290    17585     8191      23       3        0          1000 syz-executor2
[28251]     0 28251    17585     8202      24       3        0          1000 syz-executor2
[28444]     0 28444    17585     8202      24       3        0          1000 syz-executor2
[28824]     0 28824    17585     8202      24       3        0          1000 syz-executor2
[13076]     0 13076    17585     8201      25       3        0             0 syz-executor0
[13081]     0 13081    17618     8203      25       3        0             0 syz-executor0
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[13677]     0 13677    17618     8235      27       4        0          1000 syz-executor2
[13687]     0 13687    17651     8237      27       4        0          1000 syz-executor2
[29156]     0 29156    17585     8202      24       3        0          1000 syz-executor2
[11282]     0 11282    17619     8203      25       3        0             0 syz-executor0
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
315639 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  190]     0   190     5366      168      16       3        0         -1000 udevd
[ 1498]     0  1498     2493      572       9       3        0             0 dhclient
[ 1629]     0  1629    14272      207      23       3        0             0 rsyslogd
[ 1684]     0  1684     4725       50      15       3        0             0 cron
[ 1695]     0  1695     3736       55      11       3        0             0 mcstransd
[ 1705]     0  1705    12927     1232      26       3        0             0 restorecond
[ 1727]     0  1727    12490      153      28       3        0         -1000 sshd
[ 1760]     0  1760     3649       39      13       3        0             0 getty
[ 1776]     0  1776    17856      217      39       3        0             0 sshd
[ 1778]     0  1778   129058    73437     214       5        0             0 syz-fuzzer
[ 1840]     0  1840    17553       17      22       3        0             0 syz-executor0
[ 1842]     0  1842    17553       17      22       3        0             0 syz-executor2
[ 1844]     0  1844    17553       16      22       3        0             0 syz-executor4
[27601]     0 27601    17585     8202      24       3        0          1000 syz-executor2
[10702]     0 10702    17585     8200      25       3        0             0 syz-executor0
[10713]     0 10713    17585     8200      25       3        0             0 syz-executor0
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[22997]     0 22997    17684     8237      26       4        0          1000 syz-executor0
[23022]     0 23022    17618     8236      25       4        0             0 syz-executor4
[23048]     0 23048    17651     8238      25       4        0             0 syz-executor4
[23140]     0 23140    17651     8238      25       4        0             0 syz-executor4
[23162]     0 23162    17684     8240      25       4        0             0 syz-executor4
[23177]     0 23177    17585     8234      25       4        0             0 syz-executor4
[23189]     0 23189    17585     8234      25       4        0             0 syz-executor4
[23209]     0 23209    17651     8238      25       4        0             0 syz-executor4
[23252]     0 23252    17585     8189      24       3        0          1000 syz-executor0
[23253]     0 23253    17651     8238      25       4        0             0 syz-executor4
[23308]     0 23308    17585     8189      24       3        0          1000 syz-executor0
[23497]     0 23497    17651     8238      25       4        0             0 syz-executor4
[23510]     0 23510    17585     8230      26       4        0          1000 syz-executor0
[23722]     0 23722    17651     8238      25       4        0             0 syz-executor4
[23729]     0 23729    17651     8238      25       4        0             0 syz-executor4
[23736]     0 23736    17585     8229      25       4        0          1000 syz-executor0
[23772]     0 23772    17585     8234      25       4        0             0 syz-executor4
[23990]     0 23990    17585     8234      25       4        0             0 syz-executor4
[24068]     0 24068    17618     8236      25       4        0             0 syz-executor4
[24148]     0 24148    17618     8236      25       4        0             0 syz-executor4
[24162]     0 24162    17585     8234      25       4        0             0 syz-executor4
[24227]     0 24227    17585     8229      25       4        0          1000 syz-executor0
[24252]     0 24252    17585     8234      25       4        0             0 syz-executor4
[24284]     0 24284    17585     8189      24       3        0          1000 syz-executor0
[24308]     0 24308    17585     8229      25       4        0          1000 syz-executor0
[31065]     0 31065    17618     8209      26       3        0             0 syz-executor4
[12763]     0 12763    17585     8200      25       3        0             0 syz-executor0
[12768]     0 12768    17618     8203      25       3        0             0 syz-executor0
[12777]     0 12777    17585     8201      25       3        0             0 syz-executor0
[12783]     0 12783    17618     8203      25       3        0             0 syz-executor0
[12796]     0 12796    17585     8201      25       3        0             0 syz-executor0
[12800]     0 12800    17618     8203      25       3        0             0 syz-executor0
[12817]     0 12817    17585     8201      25       3        0             0 syz-executor0
[12819]     0 12819    17618     8203      25       3        0             0 syz-executor0
[12860]     0 12860    17585     8200      25       3        0             0 syz-executor0
[12865]     0 12865    17618     8203      25       3        0             0 syz-executor0
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
RIP: aa1170:0xa6d030
[28573]     0 28573    17585     8201      24       3        0          1000 syz-executor2
[ 5933]     0  5933     5362      166      15       3        0         -1000 udevd
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       11       5       3        0             0 modprobe
[ 7833]     0  7833      635       11       5       3        0             0 modprobe
Out of memory: Kill process 11926 (syz-executor2) score 1004 or sacrifice child
Killed process 11926 (syz-executor2) total-vm:70604kB, anon-rss:180kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 11926 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 7829 Comm: modprobe Not tainted 4.14.88+ #23
[26542]     0 26542    17651     8240      25       4        0             0 syz-executor4
[ 5725]     0  5725    17618    12677      32       3        0             0 syz-executor0
[ 5801]     0  5801    17618    12677      32       3        0             0 syz-executor0
[ 5933]     0  5933     5362      166      15       3        0         -1000 udevd
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[31277]     0 31277    17585     8204      24       3        0             0 syz-executor4
[31709]     0 31709    17585     8204      24       3        0             0 syz-executor4
[31723]     0 31723    17618     8209      26       3        0             0 syz-executor4
[31748]     0 31748    17585     8204      24       3        0             0 syz-executor4
[31755]     0 31755    17651     8211      26       3        0             0 syz-executor4
[ 5662]     0  5662    17684    12773      32       3        0             0 syz-executor0
[ 5725]     0  5725    17618    12677      32       3        0             0 syz-executor0
[ 5801]     0  5801    17618    12677      32       3        0             0 syz-executor0
[ 5933]     0  5933     5362      166      15       3        0         -1000 udevd
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       5       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       10       5       3        0             0 modprobe
[ 7833]     0  7833      635       10       5       3        0             0 modprobe
Out of memory: Kill process 12444 (syz-executor2) score 1004 or sacrifice child
Killed process 12444 (syz-executor2) total-vm:70604kB, anon-rss:180kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 12444 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 7825 Comm: modprobe Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
[ 7568]     0  7568    17651     8208      24       3        0             0 syz-executor4
[32225]     0 32225    17651     8211      26       3        0             0 syz-executor4
[ 5605]     0  5605    17618    12677      32       3        0             0 syz-executor0
[ 5662]     0  5662    17684    12773      32       3        0             0 syz-executor0
[ 5725]     0  5725    17618    12677      32       3        0             0 syz-executor0
[ 5801]     0  5801    17618    12677      32       3        0             0 syz-executor0
[ 5933]     0  5933     5362      166      15       3        0         -1000 udevd
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[13510]     0 13510    17651     8237      27       4        0          1000 syz-executor2
[13522]     0 13522    17651     8237      27       4        0          1000 syz-executor2
[13550]     0 13550    17651     8237      27       4        0          1000 syz-executor2
[13562]     0 13562    17618     8235      27       4        0          1000 syz-executor2
[13566]     0 13566    17618     8235      27       4        0          1000 syz-executor2
[  712]     0   712    17585     8204      24       3        0             0 syz-executor4
[ 3208]     0  3208    17651     8237      26       4        0             0 syz-executor0
[ 3507]     0  3507    17618     8236      26       4        0             0 syz-executor0
[ 5605]     0  5605    17618    12677      32       3        0             0 syz-executor0
[ 5662]     0  5662    17684    12773      32       3        0             0 syz-executor0
[ 5725]     0  5725    17618    12677      32       3        0             0 syz-executor0
[ 5801]     0  5801    17618    12677      32       3        0             0 syz-executor0
[ 5933]     0  5933     5362      166      15       3        0         -1000 udevd
[ 6188]     0  6188     5353      157      15       3        0         -1000 udevd
[ 6194]     0  6194    17553       16      22       3        0             0 syz-executor5
[ 6195]     0  6195    17552     8125      23       4        0             0 syz-executor5
[ 6682]     0  6682     5365      170      15       3        0         -1000 udevd
[ 6695]     0  6695    17618     8230      25       4        0          1000 syz-executor5
[ 6700]     0  6700     5365      170      15       3        0         -1000 udevd
[ 6775]     0  6775    17618     8230      25       4        0          1000 syz-executor5
[ 6815]     0  6815    17618     8230      25       4        0          1000 syz-executor5
[ 6850]     0  6850    17618     8198      24       3        0          1000 syz-executor5
[ 6871]     0  6871    17651     8200      24       3        0          1000 syz-executor5
[ 6923]     0  6923    17618     8230      25       4        0          1000 syz-executor5
[ 7141]     0  7141    17651     8232      25       4        0          1000 syz-executor5
[ 7194]     0  7194    17651     8232      25       4        0          1000 syz-executor5
[ 7317]     0  7317    17651     8232      25       4        0          1000 syz-executor5
[ 7417]     0  7417    17585     8231      25       4        0             0 syz-executor0
[ 7493]     0  7493    17684     8234      25       4        0          1000 syz-executor5
[ 7540]     0  7540    17684     8241      25       4        0             0 syz-executor4
[ 7555]     0  7555    17684     8241      25       4        0             0 syz-executor4
[ 7594]     0  7594    17651     8232      25       4        0          1000 syz-executor5
[ 7689]     0  7689    17618     8230      25       4        0          1000 syz-executor5
[ 7725]     0  7725    17651     8232      25       4        0          1000 syz-executor5
[ 7744]     0  7736    17684     8208      25       4        0          1000 syz-executor5
[ 7756]     0  7756    17684     8208      25       4        0          1000 syz-executor5
[ 7815]     0  7815     1576       26       9       3        0             0 modprobe
[ 7821]     0  7821     1543       20       8       3        0             0 modprobe
[ 7822]     0  7822      635       11       5       3        0             0 modprobe
[ 7823]     0  7823      101        1       5       3        0             0 modprobe
[ 7825]     0  7825      635       10       6       3        0             0 modprobe
[ 7827]     0  7827      635        9       6       3        0             0 modprobe
[ 7829]     0  7829      635       10       6       3        0             0 modprobe
[ 7831]     0  7831      635       10       5       3        0             0 modprobe
[ 7833]     0  7833      635       10       5       3        0             0 modprobe
Out of memory: Kill process 12583 (syz-executor2) score 1004 or sacrifice child
Killed process 12583 (syz-executor2) total-vm:70604kB, anon-rss:180kB, file-rss:32768kB, shmem-rss:0kB
oom_reaper: reaped process 12583 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor3 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
CPU: 0 PID: 3590 Comm: syz-executor3 Not tainted 4.14.88+ #23
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 dump_header+0x17d/0x7a8 mm/oom_kill.c:422
 oom_kill_process.cold.8+0x10/0xc88 mm/oom_kill.c:861
 out_of_memory+0x669/0xa60 mm/oom_kill.c:1075
 __alloc_pages_may_oom mm/page_alloc.c:3356 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4045 [inline]
 __alloc_pages_nodemask+0x182f/0x2180 mm/page_alloc.c:4210
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 alloc_pages_node include/linux/gfp.h:488 [inline]
 __page_cache_alloc include/linux/pagemap.h:226 [inline]
 page_cache_read mm/filemap.c:2286 [inline]
 filemap_fault+0xcdd/0x14a0 mm/filemap.c:2470
 ext4_filemap_fault+0x7d/0xb0 fs/ext4/inode.c:6179
 __do_fault+0x80/0x210 mm/memory.c:3194
 do_read_fault mm/memory.c:3604 [inline]
 do_fault mm/memory.c:3730 [inline]
 handle_pte_fault mm/memory.c:3960 [inline]
 __handle_mm_fault+0x991/0x25f0 mm/memory.c:4084
 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4121
 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104
RIP: abc36e38:0x4bc626
RSP: abc36cc0:00007ffcabc36cb0 EFLAGS: 004bc626
Mem-Info:
active_anon:114419 inactive_anon:46705 isolated_anon:0
 active_file:60 inactive_file:133 isolated_file:23
 unevictable:1 dirty:12 writeback:7 unstable:0
 slab_reclaimable:9799 slab_unreclaimable:80072
 mapped:49178 shmem:4123 pagetables:27476 bounce:0
 free:5921 free_pcp:0 free_cma:0
Node 0 active_anon:457676kB inactive_anon:186820kB active_file:240kB inactive_file:532kB unevictable:4kB isolated(anon):0kB isolated(file):92kB mapped:196712kB dirty:48kB writeback:28kB shmem:16492kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:18204kB min:4792kB low:7868kB high:10944kB active_anon:6784kB inactive_anon:71744kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:544kB pagetables:904kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 3437 3437
Normal free:5480kB min:5480kB low:9000kB high:12520kB active_anon:450992kB inactive_anon:115076kB active_file:240kB inactive_file:720kB unevictable:4kB writepending:76kB present:4718592kB managed:3521688kB mlocked:0kB kernel_stack:38144kB pagetables:109000kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 163*4kB (M) 54*8kB (UM) 12*16kB (M) 1*32kB (M) 0*64kB 0*128kB 4*256kB (M) 5*512kB (UM) 5*1024kB (M) 4*2048kB (UM) 0*4096kB = 18204kB
Normal: 1107*4kB (UME) 77*8kB (UM) 8*16kB (UM) 14*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5620kB
4367 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
315639 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  190]     0   190     5366      168      16       3        0         -1000 udevd
[ 1498]     0  1498     2493      572       9       3        0             0 dhclient
[ 1629]     0  1629    14272      207      23       3        0             0 rsyslogd
[ 1684]     0  1684     4725       50      15       3        0             0 cron
[ 1695]     0  1695     3736       55      11       3        0             0 mcstransd
[ 1705]     0  1705    12927     1232      26       3        0             0 restorecond
[ 1727]     0  1727    12490      153      28       3        0         -1000 sshd
[ 1760]     0  1760     3649       39      13       3        0             0 getty
[ 1776]     0  1776    17856      217      39       3        0             0 sshd
[ 1778]     0  1778   129058    73437     214       5        0             0 syz-fuzzer
[ 1840]     0  1840    17553       17      22       3        0             0 syz-executor0
[ 1842]     0  1842    17553       17      22       3        0             0 syz-executor2
[ 1844]     0  1844    17553       16      22       3        0             0 syz-executor4
[ 1846]     0  1846    17552     8220      23       4        0             0 syz-executor0
[ 1848]     0  1848    17552     8077      23       4        0             0 syz-executor2
[ 1849]     0  1849    17552     8222      23       4        0             0 syz-executor4
[ 4670]     0  4670    17618     8232      26       4        0          1000 syz-executor0
[ 4852]     0  4852    17651     8233      26       4        0          1000 syz-executor2
[ 5179]     0  5179    17618     8201      25       3        0          1000 syz-executor0
[ 5195]     0  5195    17651     8205      25       3        0          1000 syz-executor0
[ 5735]     0  5735    17585     8189      23       3        0             0 syz-executor4
[ 5742]     0  5742    17651     8203      25       3        0             0 syz-executor4

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/15 23:56 android-4.14 4ee7197c44f6 def91db3 .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.