syzbot


INFO: task hung in process_measurement

Status: auto-closed as invalid on 2020/07/13 00:59
Reported-by: syzbot+f229a5a31129665e9808@syzkaller.appspotmail.com
First crash: 892d, last: 836d
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in process_measurement 2 942d 1017d 0/1 auto-closed as invalid on 2020/03/29 20:33
upstream INFO: task hung in process_measurement C done inconclusive 52 336d 1367d 0/22 closed as invalid on 2022/02/08 10:56
linux-4.19 INFO: task hung in process_measurement (2) 1 611d 611d 0/1 auto-closed as invalid on 2021/02/23 17:00

Sample crash report:
Node 1 Normal free:53604kB min:53612kB low:67012kB high:80412kB active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14880kB pagetables:29688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 7*4kB (UM) 5*8kB (U) 3*16kB (UE) 4*32kB (UME) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (U) = 10420kB
Node 0 DMA32: 83*4kB (UME) 2529*8kB (UM) 611*16kB (UE) 182*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36164kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
INFO: task udevd:8299 blocked for more than 140 seconds.
Node 1 Normal: 922*4kB (UME) 597*8kB (UME) 324*16kB (UME) 235*32kB (UME) 129*64kB (UME) 70*128kB (UM) 22*256kB (UM) 5*512kB (U) 7*1024kB (UE) 0*2048kB 0*4096kB = 53744kB
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
udevd           D27008  8299   3716 0x00000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
469 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
339049 pages reserved
0 pages cma reserved
Out of memory: Kill process 11383 (syz-executor.5) score 1004 or sacrifice child
Killed process 11383 (syz-executor.5) total-vm:74700kB, anon-rss:148kB, file-rss:34816kB, shmem-rss:0kB
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
oom_reaper: reaped process 11383 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000963940 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:8478 blocked for more than 140 seconds.
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D27616  8478   3716 0x00000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000963040 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17201 blocked for more than 140 seconds.
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D27408 17201   3716 0x00000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
blkid invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null),  order=0, oom_score_adj=-1000
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
blkid cpuset=/ mems_allowed=0-1
RAX: ffffffffffffffda RBX: 000000000095f130 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
CPU: 0 PID: 19047 Comm: blkid Not tainted 4.14.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 dump_header+0x178/0x6d4 mm/oom_kill.c:422
 oom_kill_process.cold+0x10/0xae3 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d5/0x1110 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3344 [inline]
 __alloc_pages_slowpath+0x1fbf/0x26c0 mm/page_alloc.c:4033
 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198
 alloc_pages_vma+0xc2/0x4a0 mm/mempolicy.c:2077
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline]
 do_anonymous_page mm/memory.c:3133 [inline]
 handle_pte_fault mm/memory.c:3987 [inline]
 __handle_mm_fault+0x17b6/0x3280 mm/memory.c:4113
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17235 blocked for more than 140 seconds.
 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150
      Not tainted 4.14.173-syzkaller #0
 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122
RIP: ac45ff:0x16ce700
RSP: 42a47f10:00000000016ce290 EFLAGS: 0000000a
Mem-Info:
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
active_anon:1362551 inactive_anon:265 isolated_anon:0
 active_file:16 inactive_file:2 isolated_file:31
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:14990 slab_unreclaimable:110705
 mapped:52239 shmem:418 pagetables:10195 bounce:0
 free:25031 free_pcp:223 free_cma:0
udevd           D27008 17235   3716 0x00000000
Call Trace:
Node 0 active_anon:1821212kB inactive_anon:776kB active_file:80kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):124kB mapped:208956kB dirty:0kB writeback:0kB shmem:1208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 442368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10420kB min:220kB low:272kB high:324kB active_anon:5148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 0 2557
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 2557 2557 2557
Node 0 DMA32 free:36100kB min:36272kB low:45340kB high:54408kB active_anon:1815716kB inactive_anon:776kB active_file:80kB inactive_file:184kB unevictable:0kB writepending:0kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:9056kB pagetables:11076kB bounce:0kB free_pcp:884kB local_pcp:216kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53604kB min:53612kB low:67012kB high:80412kB active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14880kB pagetables:29688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 7*4kB (UM) 5*8kB (U) 3*16kB 
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
(UE) 4*32kB (UME) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (U) = 10420kB
Node 0 DMA32: 83*4kB (UME) 2526*8kB (UM) 611*16kB (UE) 181*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36108kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 922*4kB (UME) 597*8kB (UME) 324*16kB (UME) 235*32kB (UME) 129*64kB (UME) 70*128kB (UM) 22*256kB (UM) 5*512kB (U) 7*1024kB (UE) 0*2048kB 0*4096kB = 53744kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
469 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
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
0 pages HighMem/MovableOnly
 do_filp_open+0x18e/0x250 fs/namei.c:3603
339049 pages reserved
0 pages cma reserved
Out of memory: Kill process 11407 (syz-executor.5) score 1004 or sacrifice child
Killed process 11407 (syz-executor.5) total-vm:74700kB, anon-rss:148kB, file-rss:34816kB, shmem-rss:0kB
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
oom_reaper: reaped process 11407 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000095db50 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17254 blocked for more than 140 seconds.
      Not tainted 4.14.173-syzkaller #0
udevd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null),  order=1, oom_score_adj=-1000
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D25520 17254   3716 0x00000000
udevd cpuset=/ mems_allowed=0-1
CPU: 1 PID: 17198 Comm: udevd Not tainted 4.14.173-syzkaller #0
Call Trace:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 dump_header+0x178/0x6d4 mm/oom_kill.c:422
 oom_kill_process.cold+0x10/0xae3 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d5/0x1110 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3344 [inline]
 __alloc_pages_slowpath+0x1fbf/0x26c0 mm/page_alloc.c:4033
 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x7b/0x410 mm/slab.c:2676
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 fallback_alloc+0x205/0x2b0 mm/slab.c:3217
 __do_cache_alloc mm/slab.c:3354 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x1ea/0x770 mm/slab.c:3550
 getname_flags fs/namei.c:138 [inline]
 getname_flags+0xc8/0x560 fs/namei.c:128
 do_sys_open+0x1c4/0x3f0 fs/open.c:1078
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000095f3d0 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
Mem-Info:
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
active_anon:1362526 inactive_anon:265 isolated_anon:0
 active_file:16 inactive_file:2 isolated_file:31
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:14990 slab_unreclaimable:110705
 mapped:52239 shmem:418 pagetables:10195 bounce:0
 free:25031 free_pcp:274 free_cma:0
Node 0 active_anon:1821112kB inactive_anon:776kB active_file:80kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):124kB mapped:208956kB dirty:0kB writeback:0kB shmem:1208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 442368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
Node 0 DMA free:10420kB min:220kB low:272kB high:324kB active_anon:5148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 do_filp_open+0x18e/0x250 fs/namei.c:3603
lowmem_reserve[]: 0 2557 2557 2557 2557
Node 0 DMA32 free:36100kB min:36272kB low:45340kB high:54408kB active_anon:1815616kB inactive_anon:776kB active_file:80kB inactive_file:184kB unevictable:0kB writepending:0kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:9024kB pagetables:11076kB bounce:0kB free_pcp:1092kB local_pcp:660kB free_cma:0kB
lowmem_reserve[]: 0
 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
Node 1 
Normal free:53604kB min:53612kB low:67012kB high:80412kB active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14880kB pagetables:29688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
lowmem_reserve[]: 0 0
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
 0 0
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
 0
Node 0 DMA: 7*4kB (UM) 5*8kB (U) 3*16kB (UE) 4*32kB (UME) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (U) = 10420kB
RAX: ffffffffffffffda RBX: 000000000095d500 RCX: 00007f7592e81120
Node 0 DMA32: 83*4kB (UME) 2524*8kB (UM) 611*16kB (UE) 182*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36124kB
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 922*4kB (UME) 597*8kB (UME) 324*16kB (UME) 235*32kB (UME) 129*64kB (UME) 70*128kB (UM) 22*256kB (UM) 5*512kB (U) 7*1024kB (UE) 0*2048kB 0*4096kB = 53744kB
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
INFO: task udevd:17256 blocked for more than 140 seconds.
469 total pagecache pages
0 pages in swap cache
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Swap cache stats: add 0, delete 0, find 0/0
udevd           D27008 17256   3716 0x00000000
Call Trace:
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
339049 pages reserved
0 pages cma reserved
Out of memory: Kill process 11415 (syz-executor.5) score 1004 or sacrifice child
Killed process 11415 (syz-executor.5) total-vm:74700kB, anon-rss:148kB, file-rss:34816kB, shmem-rss:0kB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
oom_reaper: reaped process 11415 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000095cea0 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17328 blocked for more than 140 seconds.
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D27408 17328   3716 0x00000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000095aea0 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
blkid invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null),  order=0, oom_score_adj=-1000
blkid cpuset=/ mems_allowed=0-1
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
CPU: 1 PID: 19040 Comm: blkid Not tainted 4.14.173-syzkaller #0
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
INFO: task udevd:17330 blocked for more than 140 seconds.
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 dump_header+0x178/0x6d4 mm/oom_kill.c:422
      Not tainted 4.14.173-syzkaller #0
 oom_kill_process.cold+0x10/0xae3 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d5/0x1110 mm/oom_kill.c:1023
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D
 __alloc_pages_may_oom mm/page_alloc.c:3344 [inline]
 __alloc_pages_slowpath+0x1fbf/0x26c0 mm/page_alloc.c:4033
27408 17330   3716 0x00000000
Call Trace:
 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198
 alloc_pages_vma+0xc2/0x4a0 mm/mempolicy.c:2077
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline]
 do_anonymous_page mm/memory.c:3133 [inline]
 handle_pte_fault mm/memory.c:3987 [inline]
 __handle_mm_fault+0x17b6/0x3280 mm/memory.c:4113
 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150
 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
RIP: ac45ff:0x1151700
RSP: 70c4cf10:0000000001151290 EFLAGS: 0000000a
Mem-Info:
active_anon:1362676 inactive_anon:265 isolated_anon:0
 active_file:37 inactive_file:25 isolated_file:38
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:14990 slab_unreclaimable:110705
 mapped:52239 shmem:418 pagetables:10195 bounce:0
 free:25069 free_pcp:82 free_cma:0
Node 0 active_anon:1821712kB inactive_anon:776kB active_file:64kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):152kB mapped:208956kB dirty:0kB writeback:0kB shmem:1208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 442368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:3628992kB inactive_anon:284kB active_file:84kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10420kB min:220kB low:272kB high:324kB active_anon:5148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2557 2557 2557 2557
Node 0 DMA32 free:36148kB min:36272kB low:45340kB high:54408kB active_anon:1816432kB inactive_anon:776kB active_file:0kB inactive_file:596kB unevictable:0kB writepending:0kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:8960kB pagetables:11076kB bounce:0kB free_pcp:328kB local_pcp:252kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53604kB min:53612kB low:67012kB high:80412kB active_anon:3628992kB inactive_anon:284kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14880kB pagetables:29688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
 0 0 0 0 0
Node 0 DMA: 7*4kB (UM) 5*8kB (U) 3*16kB (UE) 4*32kB (UME) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (U) = 10420kB
Node 0 DMA32: 68*4kB (UME) 2524*8kB (UME) 614*16kB (UE) 180*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36048kB
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 929*4kB (UME) 598*8kB (UME) 324*16kB (UME) 235*32kB (UME) 129*64kB (UME) 70*128kB (UM) 22*256kB 
(UM) 
5*512kB (U) 7*1024kB (UE) 0*2048kB 0*4096kB = 53780kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
528 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
339049 pages reserved
0 pages cma reserved
Out of memory: Kill process 11425 (syz-executor.5) score 1004 or sacrifice child
Killed process 11425 (syz-executor.5) total-vm:74700kB, anon-rss:148kB, file-rss:34816kB, shmem-rss:0kB
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
oom_reaper: reaped process 11425 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000095b0a0 RCX: 00007f7592e81120
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17331 blocked for more than 140 seconds.
      Not tainted 4.14.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D27008 17331   3716 0x00000000
Call Trace:
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=-1000
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
udevd cpuset=/ mems_allowed=0-1
CPU: 1 PID: 17473 Comm: udevd Not tainted 4.14.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 dump_header+0x178/0x6d4 mm/oom_kill.c:422
 oom_kill_process.cold+0x10/0xae3 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d5/0x1110 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3344 [inline]
 __alloc_pages_slowpath+0x1fbf/0x26c0 mm/page_alloc.c:4033
 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 alloc_pages_current+0xe7/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 __page_cache_alloc mm/filemap.c:871 [inline]
 __page_cache_alloc+0x245/0x3d0 mm/filemap.c:856
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 page_cache_read mm/filemap.c:2296 [inline]
 filemap_fault+0xc21/0x1c30 mm/filemap.c:2480
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6210
 __do_fault+0xfa/0x380 mm/memory.c:3223
 do_read_fault mm/memory.c:3633 [inline]
 do_fault mm/memory.c:3759 [inline]
 handle_pte_fault mm/memory.c:3989 [inline]
 __handle_mm_fault+0x22e9/0x3280 mm/memory.c:4113
 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150
 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122
RIP: 0000:0x5
RSP: 0001:0000000000000000 EFLAGS: 006251b8
Mem-Info:
active_anon:1362751 inactive_anon:265 isolated_anon:0
 active_file:10 inactive_file:104 isolated_file:38
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:14990 slab_unreclaimable:110705
 mapped:52289 shmem:418 pagetables:10158 bounce:0
 free:24989 free_pcp:119 free_cma:0
Node 0 active_anon:1822012kB inactive_anon:776kB active_file:56kB inactive_file:396kB unevictable:0kB isolated(anon):0kB isolated(file):152kB mapped:209156kB dirty:0kB writeback:0kB shmem:1208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 442368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f7592e81120
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
Node 1 active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
RAX: ffffffffffffffda RBX: 000000000095aba0 RCX: 00007f7592e81120
Node 0 DMA free:10420kB min:220kB low:272kB high:324kB active_anon:5148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
lowmem_reserve[]: 0 2557 2557 2557 2557
Node 0 DMA32 free:35808kB min:36272kB low:45340kB high:54408kB active_anon:1816432kB inactive_anon:776kB active_file:140kB inactive_file:108kB unevictable:0kB writepending:0kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:8928kB pagetables:10928kB bounce:0kB free_pcp:320kB local_pcp:320kB free_cma:0kB
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
lowmem_reserve[]: 0 0 0 0 0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Node 0 
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
INFO: task udevd:17372 blocked for more than 140 seconds.
Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53604kB min:53612kB low:67012kB high:80412kB active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14880kB pagetables:29688kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 7*4kB (UM) 
      Not tainted 4.14.173-syzkaller #0
5*8kB 
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
(U) 
udevd           D
3*16kB (UE) 
27008 17372   3716 0x00000000
4*32kB 
Call Trace:
(UME) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 1*4096kB (U) = 10420kB
Node 0 DMA32: 70*4kB (UME) 2513*8kB (U) 609*16kB (UE) 181*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35920kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 929*4kB 
(UME) 
598*8kB (UME) 324*16kB (UME) 235*32kB (UME) 129*64kB (UME) 70*128kB (UM) 22*256kB (UM) 5*512kB (U) 7*1024kB (UE) 0*2048kB 0*4096kB = 53780kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
527 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
339049 pages reserved
0 pages cma reserved
Out of memory: Kill process 11434 (syz-executor.5) score 1004 or sacrifice child
Killed process 11434 (syz-executor.5) total-vm:74700kB, anon-rss:148kB, file-rss:34816kB, shmem-rss:0kB
oom_reaper: reaped process 11434 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x73c/0x1470 kernel/locking/mutex.c:893
blkid invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=-1000
blkid cpuset=
/
 mems_allowed=0-1
 process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
CPU: 0 PID: 18982 Comm: blkid Not tainted 4.14.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 dump_header+0x178/0x6d4 mm/oom_kill.c:422
 oom_kill_process.cold+0x10/0xae3 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d5/0x1110 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3344 [inline]
 __alloc_pages_slowpath+0x1fbf/0x26c0 mm/page_alloc.c:4033
 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198
 alloc_pages_current+0xe7/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 __page_cache_alloc mm/filemap.c:871 [inline]
 __page_cache_alloc+0x245/0x3d0 mm/filemap.c:856
 page_cache_read mm/filemap.c:2296 [inline]
 filemap_fault+0xc21/0x1c30 mm/filemap.c:2480
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6210
 __do_fault+0xfa/0x380 mm/memory.c:3223
 do_read_fault mm/memory.c:3633 [inline]
 do_fault mm/memory.c:3759 [inline]
 handle_pte_fault mm/memory.c:3989 [inline]
 __handle_mm_fault+0x22e9/0x3280 mm/memory.c:4113
 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150
 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122
RIP: 17b44c6:          (null)
RSP: 40000000:00000000017b44f6 EFLAGS: 00000001
Mem-Info:
 do_last fs/namei.c:3435 [inline]
 path_openat+0x15ad/0x3c50 fs/namei.c:3569
 do_filp_open+0x18e/0x250 fs/namei.c:3603
 do_sys_open+0x29d/0x3f0 fs/open.c:1084
active_anon:1362726 inactive_anon:265 isolated_anon:0
 active_file:55 inactive_file:9 isolated_file:22
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:14990 slab_unreclaimable:110730
 mapped:52264 shmem:418 pagetables:10121 bounce:0
 free:25055 free_pcp:59 free_cma:0
Node 0 active_anon:1821912kB inactive_anon:776kB active_file:236kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):88kB mapped:209056kB dirty:0kB writeback:0kB shmem:1208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 442368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:3628992kB inactive_anon:284kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
Node 0 
RIP: 0033:0x7f7592e81120
DMA free:10420kB min:220kB low:272kB high:324kB active_anon:5148kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]:
RSP: 002b:00007ffcd7a34268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
 0
RAX: ffffffffffffffda RBX: 0000000000959e50 RCX: 00007f7592e81120
 2557
RDX: 00000000000001b6 RSI: 0000000000000000 RDI: 00007f7592efeaa4
RBP: 00007ffcd7a342e0 R08: 0000000000000008 R09: 0000000000000001
 2557
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
 2557 2557
R13: 00007f7592efcfc0 R14: 000000000000002f R15: 00007ffcd7a345d8
Node 0 

Showing all locks held in the system:
DMA32 free:36196kB min:36272kB low:45340kB high:54408kB active_anon:1816232kB inactive_anon:776kB active_file:144kB inactive_file:124kB unevictable:0kB writepending:0kB present:3129332kB managed:2621272kB mlocked:0kB kernel_stack:8928kB pagetables:10780kB bounce:0kB free_pcp:232kB local_pcp:232kB free_cma:0kB
2 locks held by init/1:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by khungtaskd/1056:
lowmem_reserve[]:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff81465b23>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544
3 locks held by ipv6_addrconf/3405:
 0
 #0:  (
 0 0
"%s"("ipv6_addrconf")
 0
){+.+.}, at: [<ffffffff813b5827>] work_static include/linux/workqueue.h:199 [inline]
){+.+.}, at: [<ffffffff813b5827>] set_work_data kernel/workqueue.c:619 [inline]
){+.+.}, at: [<ffffffff813b5827>] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline]
){+.+.}, at: [<ffffffff813b5827>] process_one_work+0x727/0x1540 kernel/workqueue.c:2085
 0
 #1: 
Node 0 
 ((addr_chk_work).work
Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:348kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
){+.+.}, at: [<ffffffff813b5861>] process_one_work+0x761/0x1540 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.}, at: [<ffffffff857197fa>] addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4404
2 locks held by udevd/3716:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by cron/7392:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by getty/7474:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
2 locks held by getty/7476:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
2 locks held by getty/7477:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
2 locks held by getty/7478:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
2 locks held by getty/7479:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
2 locks held by getty/7480:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
1 lock held by udevd/7483:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by syz-fuzzer/7509:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by syz-fuzzer/7513:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by syz-executor.3/7523:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
3 locks held by kworker/0:3/7569:
 #0:  ("events"){+.+.}, at: [<ffffffff813b5827>] work_static include/linux/workqueue.h:199 [inline]
 #0:  ("events"){+.+.}, at: [<ffffffff813b5827>] set_work_data kernel/workqueue.c:619 [inline]
 #0:  ("events"){+.+.}, at: [<ffffffff813b5827>] set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline]
 #0:  ("events"){+.+.}, at: [<ffffffff813b5827>] process_one_work+0x727/0x1540 kernel/workqueue.c:2085
 #1:  ((linkwatch_work).work){+.+.}, at: [<ffffffff813b5861>] process_one_work+0x761/0x1540 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.}, at: [<ffffffff85038e0a>] linkwatch_event+0xa/0x50 net/core/link_watch.c:236
1 lock held by udevd/7884:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/7885:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/7888:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/8299:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/8478:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by getty/15563:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff833ad812>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff833a1454>] n_tty_read+0x1e4/0x16f0 drivers/tty/n_tty.c:2156
1 lock held by udevd/17188:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17189:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17194:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem
lowmem_reserve[]:
){++++}
 0
, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17201:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17202:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17205:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17210:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17216:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17217:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17218:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17222:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17227:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17229:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17231:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17235:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17236:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17240:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17247:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17250:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17253:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17254:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17256:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17259:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17260:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17262:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17268:
 #0: 
 0
 (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17270:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17276:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17280:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17290:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17293:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17295:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17300:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
2 locks held by udevd/17301:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17304:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
1 lock held by udevd/17307:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17310:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17313:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17320:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17322:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17324:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17328:
 0
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17330:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17331:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17334:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17336:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17340:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17343:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17345:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17352:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17354:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17365:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17368:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17372:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17373:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17381:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17382:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17383:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17385:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17390:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 0
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17394:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17396:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17397:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17404:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17407:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17410:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17412:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17414:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17415:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17416:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17417:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17418:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17419:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17424:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17425:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17431:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17434:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17435:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17436:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17440:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17441:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17445:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17448:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17450:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17451:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17452:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17456:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17458:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}
 0
, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17463:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17469:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17470:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17472:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17473:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17475:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17476:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17477:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17478:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17479:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17486:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17487:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17488:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17489:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17490:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
2 locks held by udevd/17496:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
2 locks held by udevd/17497:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17500:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17501:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17506:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17510:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17515:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17519:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17520:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17522:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17525:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17530:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17531:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
1 lock held by udevd/17536:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17538:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17541:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17542:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17543:
 #0: 
Node 1 
 (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17544:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
1 lock held by udevd/17547:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17548:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
2 locks held by udevd/17551:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8128b84d>] __do_page_fault+0x2cd/0xb40 arch/x86/mm/fault.c:1349
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff81c07ecc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6209
1 lock held by udevd/17555:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17562:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17563:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
1 lock held by udevd/17565:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82d3c900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/03/15 00:59 linux-4.14.y 12cd844a39ed 749688d2 .config log report
ci2-linux-4-14 2020/01/19 03:13 linux-4.14.y c1141b3aab36 bc8bc756 .config log report
ci2-linux-4-14 2020/01/19 02:28 linux-4.14.y c1141b3aab36 bc8bc756 .config log report