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INFO: trying to register non-static key in rhashtable_free_and_destroy (2)

Status: auto-closed as invalid on 2021/05/18 21:48
Reported-by: syzbot+31e5edb6718bb6e9952e@syzkaller.appspotmail.com
First crash: 1204d, last: 1204d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: trying to register non-static key in rhashtable_free_and_destroy C done 4 1251d 1265d 1/1 fixed on 2021/01/04 20:45

Sample crash report:
 free:13843 free_pcp:59 free_cma:0
 0 0 0 0 0
Node 0 DMA: 2*4kB (UM) 2*8kB (M) 0*16kB 2*32kB (UM) 2*64kB (UM) 2*128kB (UM) 1*256kB (M) 2*512kB (UM) 1*1024kB (M) 0*2048kB 2*4096kB (UM) = 10968kB
(UME) 
Node 0 DMA32: 1239*4kB (UME) 1146*8kB (UME) 168*16kB (UME) 26*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17644kB
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
Node 0 active_anon:79496kB inactive_anon:33016kB active_file:156kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196592kB dirty:0kB writeback:0kB shmem:33972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
turning off the locking correctness validator.
CPU: 0 PID: 11101 Comm: syz-executor.0 Not tainted 4.14.216-syzkaller #0
16*16kB 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
(UME) 108*32kB 
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768
 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378
(UME) 
4*64kB 
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
 flush_work+0xad/0x770 kernel/workqueue.c:2889
(UM) 
 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2964
1*128kB 
Node 1 active_anon:872kB inactive_anon:18260kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:18228kB dirty:0kB writeback:0kB shmem:18332kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
(U) 
 rhashtable_free_and_destroy+0x26/0x710 lib/rhashtable.c:1073
Node 0 
1*256kB 
DMA free:10968kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 ila_exit_net+0x11c/0x290 net/ipv6/ila/ila_xlat.c:594
 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:142
 setup_net+0x31d/0x530 net/core/net_namespace.c:309
 copy_net_ns+0x19b/0x440 net/core/net_namespace.c:419
 create_new_namespaces+0x375/0x720 kernel/nsproxy.c:107
 unshare_nsproxy_namespaces+0xa1/0x1d0 kernel/nsproxy.c:206
 SYSC_unshare kernel/fork.c:2412 [inline]
 SyS_unshare+0x308/0x7f0 kernel/fork.c:2362
(U) 
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460ce7
RSP: 002b:00007ffd64f1b0b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000460ce7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd64f1b100
R13: 00007ffd64f1b358 R14: 0000000000000000 R15: 0000000000000000
Node 0 
lowmem_reserve[]:
Normal: 
 0
0*4kB 
0*512kB 
0*8kB 
 2717 2718 2718 2718
Node 0 DMA32 free:45188kB min:36200kB low:45248kB high:54296kB active_anon:79508kB inactive_anon:33016kB active_file:176kB inactive_file:2824kB unevictable:0kB writepending:0kB present:3129332kB managed:2788160kB mlocked:0kB kernel_stack:7328kB pagetables:2960kB bounce:0kB free_pcp:300kB local_pcp:240kB free_cma:0kB
0*16kB 
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:1048576kB managed:520kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
0*32kB 
1*1024kB (M) 2*2048kB (U) 4*4096kB (U) = 26760kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:204488kB min:53696kB low:67120kB high:80544kB active_anon:964kB inactive_anon:18260kB active_file:504kB inactive_file:3816kB unevictable:0kB writepending:0kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:224kB pagetables:348kB bounce:0kB free_pcp:352kB local_pcp:212kB free_cma:0kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 Normal: 3*4kB (ME) 3*8kB (ME) 2*16kB (E) 3*32kB (ME) 1*64kB (U) 358*128kB (UM) 225*256kB (U) 73*512kB (UM) 10*1024kB (UM) 8*2048kB (UM) 2*4096kB (U) = 175844kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
15488 total pagecache pages
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 3*4kB (UM) 2*8kB (M) 0*16kB 2*32kB (UM) 3*64kB (UM) 2*128kB (UM) 1*256kB (M) 2*512kB (UM) 1*1024kB (M) 0*2048kB 2*4096kB (UM) = 11036kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
0 pages HighMem/MovableOnly
Node 0 DMA32: 377*4kB (ME) 1300*8kB (UME) 154*16kB (UME) 25*32kB (UME) 5*64kB (ME) 26*128kB (UE) 64*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 39812kB
363840 pages reserved
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
0 pages cma reserved
Out of memory (oom_kill_allocating_task): Kill process 8027 (syz-fuzzer) score 0 or sacrifice child
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 Normal: 64*4kB (UME) 40*8kB (UME) 29*16kB (UME) 17*32kB (UME) 7*64kB (UM) 3*128kB (UM) 2*256kB (UM) 35*512kB (UM) 9*1024kB (U) 8*2048kB (UM) 2*4096kB (U) = 54640kB
Killed process 11095 (syz-executor.0) total-vm:85024kB, anon-rss:68kB, file-rss:4kB, shmem-rss:0kB
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=1048576kB
kasan: CONFIG_KASAN_INLINE enabled
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
kasan: GPF could be caused by NULL-ptr deref or user memory access
oom_reaper: reaped process 11094 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
13609 total pagecache pages
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 11101 Comm: syz-executor.0 Not tainted 4.14.216-syzkaller #0
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
13159 total pagecache pages
task: ffff88809769a280 task.stack: ffff88808bbb8000
RIP: 0010:rhashtable_free_and_destroy+0xa4/0x710 lib/rhashtable.c:1078
RSP: 0000:ffff88808bbbfc18 EFLAGS: 00010246
0 pages in swap cache
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffff888193404040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88809769a280 R12: ffff888096988dc0
R13: ffff8880b3c26500 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000001d0b940(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Swap cache stats: add 0, delete 0, find 0/0
CR2: 0000000000465fcd CR3: 0000000031996000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Free swap  = 0kB
 ila_exit_net+0x11c/0x290 net/ipv6/ila/ila_xlat.c:594
 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:142
 setup_net+0x31d/0x530 net/core/net_namespace.c:309
Total swap = 0kB
2097051 pages RAM
 copy_net_ns+0x19b/0x440 net/core/net_namespace.c:419
 create_new_namespaces+0x375/0x720 kernel/nsproxy.c:107
0 pages HighMem/MovableOnly
 unshare_nsproxy_namespaces+0xa1/0x1d0 kernel/nsproxy.c:206
363840 pages reserved
 SYSC_unshare kernel/fork.c:2412 [inline]
 SyS_unshare+0x308/0x7f0 kernel/fork.c:2362
0 pages cma reserved
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460ce7
RSP: 002b:00007ffd64f1b0b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000460ce7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000005
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd64f1b100
R13: 00007ffd64f1b358 R14: 0000000000000000 R15: 0000000000000000
Code: 45 00 48 83 3c 24 00 48 89 c3 48 89 44 24 10 0f 84 6d 01 00 00 e8 7d 0e 3e fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 35 06 00 00 48 8b 44 24 10 
RIP: rhashtable_free_and_destroy+0xa4/0x710 lib/rhashtable.c:1078 RSP: ffff88808bbbfc18
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
syz-executor.4: page allocation failure: order:0, mode:0x142c0c2(GFP_HIGHUSER|__GFP_COMP|__GFP_ZERO), nodemask=(null)
syz-fuzzer invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null),  order=0, oom_score_adj=0
syz-executor.4 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 11108 Comm: syz-executor.4 Tainted: G      D         4.14.216-syzkaller #0
Total swap = 0kB
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
2097051 pages RAM
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline]
 __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205
syz-fuzzer cpuset=
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 ion_page_pool_alloc_pages drivers/staging/android/ion/ion_page_pool.c:30 [inline]
 ion_page_pool_alloc+0x118/0x1b0 drivers/staging/android/ion/ion_page_pool.c:89
/
 alloc_buffer_page drivers/staging/android/ion/ion_system_heap.c:75 [inline]
 alloc_largest_available drivers/staging/android/ion/ion_system_heap.c:115 [inline]
 ion_system_heap_allocate+0x133/0x8c0 drivers/staging/android/ion/ion_system_heap.c:146
 mems_allowed=0-1
 ion_buffer_create drivers/staging/android/ion/ion.c:101 [inline]
 ion_alloc+0x27a/0x810 drivers/staging/android/ion/ion.c:425
syz-executor.3: 
page allocation failure: order:0
 ion_ioctl+0xea/0x1f0 drivers/staging/android/ion/ion-ioctl.c:87
0 pages HighMem/MovableOnly
363840 pages reserved
, mode:0x142c0c2(GFP_HIGHUSER|__GFP_COMP|__GFP_ZERO), nodemask=
(null)
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
0 pages cma reserved
syz-executor.3 cpuset=
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e219
RSP: 002b:00007efd87258c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
/
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
 mems_allowed=0-1
RDX: 00000000200000c0 RSI: 00000000c0184900 RDI: 0000000000000003
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffd50f3683f R14: 00007efd872599c0 R15: 000000000119bf8c
CPU: 1 PID: 8027 Comm: syz-fuzzer Tainted: G      D         4.14.216-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+0x1b2/0x281 lib/dump_stack.c:58
warn_alloc_show_mem: 2 callbacks suppressed
Mem-Info:
 dump_header+0x178/0x82f mm/oom_kill.c:424
 oom_kill_process.cold+0x10/0xb18 mm/oom_kill.c:863
 out_of_memory mm/oom_kill.c:1075 [inline]
 out_of_memory+0xe3e/0x1190 mm/oom_kill.c:1025
active_anon:20182 inactive_anon:12818 isolated_anon:0
 active_file:16 inactive_file:291 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12699 slab_unreclaimable:118084
 mapped:45150 shmem:13076 pagetables:808 bounce:0
 free:25202 free_pcp:416 free_cma:0
 __alloc_pages_may_oom mm/page_alloc.c:3351 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4040 [inline]
 __alloc_pages_nodemask+0x23e1/0x2720 mm/page_alloc.c:4205
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
Node 0 active_anon:79392kB inactive_anon:33016kB active_file:16kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:161776kB dirty:0kB writeback:0kB shmem:33972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 alloc_pages include/linux/gfp.h:520 [inline]
 __page_cache_alloc mm/filemap.c:871 [inline]
 page_cache_read mm/filemap.c:2296 [inline]
 filemap_fault+0xea3/0x1980 mm/filemap.c:2480
Node 1 active_anon:1336kB inactive_anon:18256kB active_file:48kB inactive_file:1048kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:18824kB dirty:0kB writeback:0kB shmem:18332kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6248
Node 0 
 __do_fault+0xfa/0x380 mm/memory.c:3316
DMA free:11068kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
 do_read_fault mm/memory.c:3726 [inline]
 do_fault mm/memory.c:3852 [inline]
 handle_pte_fault mm/memory.c:4082 [inline]
 __handle_mm_fault+0x2497/0x4620 mm/memory.c:4206
 handle_mm_fault+0x391/0x860 mm/memory.c:4243
lowmem_reserve[]:
 __do_page_fault+0x549/0xad0 arch/x86/mm/fault.c:1442
 0
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1123
RIP: 0f00:0x1ba8a3eea40
RSP: 03e2:000000c000039e40 EFLAGS: 00000003
Bluetooth: hci5 command 0x0419 tx timeout
 2717
CPU: 1 PID: 11090 Comm: syz-executor.3 Tainted: G      D         4.14.216-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+0x1b2/0x281 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
 2718
 2718
 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline]
 __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205
 2718
Node 0 
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
DMA32 free:20640kB min:36200kB low:45248kB high:54296kB active_anon:79388kB inactive_anon:33016kB active_file:16kB inactive_file:116kB unevictable:0kB writepending:0kB present:3129332kB managed:2788160kB mlocked:0kB kernel_stack:7232kB pagetables:2716kB bounce:0kB free_pcp:756kB local_pcp:132kB free_cma:0kB
 alloc_pages include/linux/gfp.h:520 [inline]
 ion_page_pool_alloc_pages drivers/staging/android/ion/ion_page_pool.c:30 [inline]
 ion_page_pool_alloc+0x118/0x1b0 drivers/staging/android/ion/ion_page_pool.c:89
 alloc_buffer_page drivers/staging/android/ion/ion_system_heap.c:75 [inline]
 alloc_largest_available drivers/staging/android/ion/ion_system_heap.c:115 [inline]
 ion_system_heap_allocate+0x133/0x8c0 drivers/staging/android/ion/ion_system_heap.c:146
lowmem_reserve[]:
 0
 0
 ion_buffer_create drivers/staging/android/ion/ion.c:94 [inline]
 ion_alloc+0x204/0x810 drivers/staging/android/ion/ion.c:425
 0
 0
 ion_ioctl+0xea/0x1f0 drivers/staging/android/ion/ion-ioctl.c:87
 0
Node 0 
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
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:1048576kB managed:520kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Mem-Info:
active_anon:20182 inactive_anon:12818 isolated_anon:0
 active_file:16 inactive_file:291 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:12699 slab_unreclaimable:118084
 mapped:45150 shmem:13076 pagetables:808 bounce:0
 free:53453 free_pcp:654 free_cma:0
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
lowmem_reserve[]: 0
RIP: 0033:0x45e219
RSP: 002b:00007fba32310c68 EFLAGS: 00000246
 0
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 00000000200000c0 RSI: 00000000c0184900 RDI: 0000000000000003
 0
RBP: 000000000119c110 R08: 0000000000000000 R09: 0000000000000000
 0
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c0dc
Node 0 active_anon:79392kB inactive_anon:33016kB active_file:16kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:161776kB dirty:0kB writeback:0kB shmem:33972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
R13: 00007ffe91f42f4f R14: 00007fba323119c0 R15: 000000000119c0dc
 0
Node 1 active_anon:1336kB inactive_anon:18256kB active_file:48kB inactive_file:1048kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:18824kB dirty:0kB writeback:0kB shmem:18332kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 Normal free:263184kB min:53696kB low:67120kB high:80544kB active_anon:1336kB inactive_anon:18256kB active_file:48kB inactive_file:1048kB unevictable:0kB writepending:0kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:256kB pagetables:516kB bounce:0kB free_pcp:1460kB local_pcp:732kB free_cma:0kB
Node 0 DMA free:11004kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 65*4kB (UM) 1*8kB (M) 10*16kB (UM) 1*32kB (M) 1*64kB (M) 2*128kB (UM) 1*256kB (M) 2*512kB (UM) 1*1024kB (M) 0*2048kB 2*4096kB (UM) = 11276kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:322008kB min:36200kB low:45248kB high:54296kB active_anon:79388kB inactive_anon:33016kB active_file:16kB inactive_file:152kB unevictable:0kB writepending:0kB present:3129332kB managed:2788160kB mlocked:0kB kernel_stack:7232kB pagetables:2760kB bounce:0kB free_pcp:1356kB local_pcp:672kB free_cma:0kB
Node 0 DMA32: 506*4kB (ME) 4520*8kB (UME) 1732*16kB (UME) 887*32kB (UME) 1372*64kB (UME) 427*128kB (UE) 120*256kB (U) 16*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 275656kB
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
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:1048576kB managed:520kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Node 1 Normal: 2085*4kB (UME) 2288*8kB (UME) 2221*16kB (UME) 2269*32kB (UME) 4886*64kB (UM) 956*128kB (UM) 278*256kB (U) 111*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 697860kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:497696kB min:53696kB low:67120kB high:80544kB active_anon:1336kB inactive_anon:18256kB active_file:104kB inactive_file:428kB unevictable:0kB writepending:0kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:256kB pagetables:368kB bounce:0kB free_pcp:1008kB local_pcp:580kB free_cma:0kB
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
15403 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (M) 2*8kB (UM) 3*16kB (UM) 3*32kB (UM) 5*64kB (UM) 9*128kB (U) 1*256kB (M) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 11108kB
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
363840 pages reserved
---[ end trace 989dcf21ecb965a8 ]---
Node 0 DMA32: 1333*4kB (UME) 1097*8kB (UME) 188*16kB (UME) 88*32kB

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/18 21:48 linux-4.14.y 2762b48e9611 63631df1 .config console log report info ci2-linux-4-14 INFO: trying to register non-static key in rhashtable_free_and_destroy
* Struck through repros no longer work on HEAD.