INFO: trying to register non-static key in __vmalloc_node_range
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syzbot
Jun 29, 2019, 12:31:07 PM6/29/19
to syzkaller...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: f4cc0ed9 Linux 4.14.131
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15d46cbda00000
kernel config: https://syzkaller.appspot.com/x/.config?x=ab1953b2cdac00f5
dashboard link: https://syzkaller.appspot.com/bug?extid=f85d11f41ecc2035007d
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+f85d11...@syzkaller.appspotmail.com
syz-executor.4: vmalloc: allocation failure: 12884901888 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.4 cpuset=syz4 mems_allowed=0-1
INFO: trying to register non-static key.
CPU: 0 PID: 22443 Comm: syz-executor.4 Not tainted 4.14.131 #25
the code is fine but needs lockdep annotation.
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
turning off the locking correctness validator.
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x138/0x19c lib/dump_stack.c:53
warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248
__vmalloc_node_range mm/vmalloc.c:1780 [inline]
__vmalloc_node_range+0x3be/0x6a0 mm/vmalloc.c:1746
__vmalloc_node mm/vmalloc.c:1809 [inline]
__vmalloc_node_flags_caller+0x4f/0x60 mm/vmalloc.c:1831
kvmalloc_node+0xb2/0xe0 mm/util.c:406
kvmalloc include/linux/mm.h:531 [inline]
kvzalloc include/linux/mm.h:539 [inline]
kvm_arch_create_memslot+0xa5/0x450 arch/x86/kvm/x86.c:8504
__kvm_set_memory_region+0xbf4/0x1a50
arch/x86/kvm/../../../virt/kvm/kvm_main.c:997
kvm_set_memory_region+0x2f/0x50
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1069
kvm_vm_ioctl_set_memory_region
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1081 [inline]
kvm_vm_ioctl+0x408/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2994
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459519
RSP: 002b:00007fa37dad0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519
RDX: 00000000200002c0 RSI: 000000004020ae46 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa37dad16d4
R13: 00000000004c2994 R14: 00000000004d5c60 R15: 00000000ffffffff
CPU: 1 PID: 22446 Comm: syz-executor.3 Not tainted 4.14.131 #25
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+0x138/0x19c lib/dump_stack.c:53
register_lock_class+0x2fd/0x1730 kernel/locking/lockdep.c:768
__lock_acquire+0x147/0x45e0 kernel/locking/lockdep.c:3374
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
flush_work+0xae/0x730 kernel/workqueue.c:2881
__cancel_work_timer+0x2f0/0x480 kernel/workqueue.c:2956
Mem-Info:
cancel_work_sync+0x18/0x20 kernel/workqueue.c:2992
smc_close_active+0x68e/0xba0 net/smc/smc_close.c:206
smc_release+0x45a/0x630 net/smc/af_smc.c:131
active_anon:223628 inactive_anon:7543 isolated_anon:0
active_file:26758 inactive_file:16954 isolated_file:0
unevictable:1024 dirty:331 writeback:0 unstable:0
slab_reclaimable:14005 slab_unreclaimable:113820
mapped:61844 shmem:3137 pagetables:5594 bounce:0
free:988138 free_pcp:207 free_cma:0
__sock_release+0xce/0x2b0 net/socket.c:602
Node 0 active_anon:894512kB inactive_anon:30172kB active_file:106892kB
inactive_file:67816kB unevictable:4096kB isolated(anon):0kB
isolated(file):0kB mapped:247376kB dirty:1324kB writeback:0kB shmem:12548kB
shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 813056kB writeback_tmp:0kB
unstable:0kB all_unreclaimable? no
sock_close+0x1b/0x30 net/socket.c:1139
__fput+0x275/0x7a0 fs/file_table.c:210
____fput+0x16/0x20 fs/file_table.c:244
task_work_run+0x114/0x190 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:164
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297
Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB
inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413201
RSP: 002b:00007ffdc0e436e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
Node 0
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000413201
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000001 R08: 000000006e783fbb R09: 000000006e783fbf
R10: 00007ffdc0e437c0 R11: 0000000000000293 R12: 0000000000760338
R13: 0000000000072391 R14: 00000000000723be R15: ffffffffffffffff
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
DMA free:15908kB min:216kB low:268kB high:320kB active_anon:0kB
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
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
lowmem_reserve[]:
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_uevent_env
0
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_uevent_env: filter
function caused the event to drop!
2580
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_cleanup, parent
(null)
2580
kobject: 'batman_adv' (ffff8880a92b6f00): calling ktype release
2580
Node 0 DMA32 free:157900kB min:36468kB low:45584kB high:54700kB
active_anon:892348kB inactive_anon:30172kB active_file:106896kB
inactive_file:67824kB unevictable:4096kB writepending:1364kB
present:3129332kB managed:2644912kB mlocked:4096kB kernel_stack:13408kB
pagetables:22140kB bounce:0kB free_pcp:964kB local_pcp:552kB free_cma:0kB
kobject: (ffff8880a92b6f00): dynamic_kobj_release
lowmem_reserve[]:
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff888090da4910): kobject_cleanup, parent ffff888085575048
0 0 0 0
Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB
pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
lowmem_reserve[]:
kobject: 'rx-0' (ffff888090da4910): auto cleanup 'remove' event
0 0 0 0
kobject: 'rx-0' (ffff888090da4910): kobject_uevent_env
Node 1 Normal free:3781376kB min:53420kB low:66772kB high:80124kB
active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870208kB
mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
local_pcp:0kB free_cma:0kB
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
lowmem_reserve[]: 0 0 0 0
kobject: 'rx-0' (ffff888090da4910): fill_kobj_path: path
= '/devices/virtual/net/��/queues/rx-0'
Node 0
kobject: 'rx-0' (ffff888090da4910): auto cleanup kobject_del
DMA:
kobject: 'rx-0' (ffff888090da4910): calling ktype release
1*4kB
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808f7fc318): kobject_cleanup, parent ffff888085575048
(U)
kobject: 'tx-0' (ffff88808f7fc318): auto cleanup 'remove' event
0*8kB
kobject: 'tx-0' (ffff88808f7fc318): kobject_uevent_env
kobject: 'tx-0' (ffff88808f7fc318): fill_kobj_path: path
= '/devices/virtual/net/��/queues/tx-0'
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff88808f7fc318): auto cleanup kobject_del
0*16kB
kobject: 'tx-0' (ffff88808f7fc318): calling ktype release
1*32kB
kobject: 'tx-0': free name
(U)
kobject: 'queues' (ffff888085575048): kobject_cleanup, parent
(null)
2*64kB
kobject: 'queues' (ffff888085575048): calling ktype release
(U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M)
kobject: 'queues' (ffff888085575048): kset_release
3*4096kB
kobject: 'queues': free name
(UM)
kobject: '��' (ffff88805a7e5b70): kobject_uevent_env
= 15908kB
Node 0 DMA32: 1092*4kB (UME) 284*8kB (UME) 568*16kB (UME) 597*32kB
kobject: '��' (ffff88805a7e5b70): fill_kobj_path: path
= '/devices/virtual/net/��'
(UME) 731*64kB (UME) 94*128kB (UME) 27*256kB (UME) 57*512kB (UME) 23*1024kB
(UME) 2*2048kB (M) 0*4096kB = 157392kB
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: '��' (ffff88805a7e5b70): kobject_cleanup, parent (null)
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: 82*4kB (UE) 357*8kB (UME) 287*16kB (UM) 63*32kB (UM) 27*64kB
(UME) 16*128kB (UE) 14*256kB (UME) 6*512kB (U) 9*1024kB (UME) 10*2048kB
(UME) 911*4096kB (UM) = 3781376kB
kobject: '��' (ffff88805a7e5b70): calling ktype release
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
kobject: '��': free name
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
kobject: '��' (ffff88808eb28a70): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
kobject: '��' (ffff88808eb28a70): kobject_uevent_env
46507 total pagecache pages
kobject: '��' (ffff88808eb28a70): fill_kobj_path: path
= '/devices/virtual/net/��'
0 pages in swap cache
kobject: 'queues' (ffff888094800f48): kobject_add_internal: parent: '��',
set: '<NULL>'
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
kobject: 'queues' (ffff888094800f48): kobject_uevent_env
Total swap = 0kB
kobject: 'queues' (ffff888094800f48): kobject_uevent_env: filter function
caused the event to drop!
1965979 pages RAM
kobject: 'rx-0' (ffff8880a9aa0d90): kobject_add_internal: parent: 'queues',
set: 'queues'
0 pages HighMem/MovableOnly
kobject: 'rx-0' (ffff8880a9aa0d90): kobject_uevent_env
333222 pages reserved
kobject: 'rx-0' (ffff8880a9aa0d90): fill_kobj_path: path
= '/devices/virtual/net/��/queues/rx-0'
0 pages cma reserved
kobject: 'tx-0' (ffff88808af23558): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'tx-0' (ffff88808af23558): kobject_uevent_env
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'tx-0' (ffff88808af23558): fill_kobj_path: path
= '/devices/virtual/net/��/queues/tx-0'
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'brif' (ffff88809035fa80): kobject_add_internal: parent: '��',
set: '<NULL>'
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'batman_adv' (ffff88809035f980): kobject_add_internal:
parent: '��', set: '<NULL>'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: f4cc0ed9 Linux 4.14.131
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15d46cbda00000
kernel config: https://syzkaller.appspot.com/x/.config?x=ab1953b2cdac00f5
dashboard link: https://syzkaller.appspot.com/bug?extid=f85d11f41ecc2035007d
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+f85d11...@syzkaller.appspotmail.com
syz-executor.4: vmalloc: allocation failure: 12884901888 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.4 cpuset=syz4 mems_allowed=0-1
INFO: trying to register non-static key.
CPU: 0 PID: 22443 Comm: syz-executor.4 Not tainted 4.14.131 #25
the code is fine but needs lockdep annotation.
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
turning off the locking correctness validator.
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x138/0x19c lib/dump_stack.c:53
warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248
__vmalloc_node_range mm/vmalloc.c:1780 [inline]
__vmalloc_node_range+0x3be/0x6a0 mm/vmalloc.c:1746
__vmalloc_node mm/vmalloc.c:1809 [inline]
__vmalloc_node_flags_caller+0x4f/0x60 mm/vmalloc.c:1831
kvmalloc_node+0xb2/0xe0 mm/util.c:406
kvmalloc include/linux/mm.h:531 [inline]
kvzalloc include/linux/mm.h:539 [inline]
kvm_arch_create_memslot+0xa5/0x450 arch/x86/kvm/x86.c:8504
__kvm_set_memory_region+0xbf4/0x1a50
arch/x86/kvm/../../../virt/kvm/kvm_main.c:997
kvm_set_memory_region+0x2f/0x50
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1069
kvm_vm_ioctl_set_memory_region
arch/x86/kvm/../../../virt/kvm/kvm_main.c:1081 [inline]
kvm_vm_ioctl+0x408/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2994
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459519
RSP: 002b:00007fa37dad0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519
RDX: 00000000200002c0 RSI: 000000004020ae46 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa37dad16d4
R13: 00000000004c2994 R14: 00000000004d5c60 R15: 00000000ffffffff
CPU: 1 PID: 22446 Comm: syz-executor.3 Not tainted 4.14.131 #25
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+0x138/0x19c lib/dump_stack.c:53
register_lock_class+0x2fd/0x1730 kernel/locking/lockdep.c:768
__lock_acquire+0x147/0x45e0 kernel/locking/lockdep.c:3374
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
flush_work+0xae/0x730 kernel/workqueue.c:2881
__cancel_work_timer+0x2f0/0x480 kernel/workqueue.c:2956
Mem-Info:
cancel_work_sync+0x18/0x20 kernel/workqueue.c:2992
smc_close_active+0x68e/0xba0 net/smc/smc_close.c:206
smc_release+0x45a/0x630 net/smc/af_smc.c:131
active_anon:223628 inactive_anon:7543 isolated_anon:0
active_file:26758 inactive_file:16954 isolated_file:0
unevictable:1024 dirty:331 writeback:0 unstable:0
slab_reclaimable:14005 slab_unreclaimable:113820
mapped:61844 shmem:3137 pagetables:5594 bounce:0
free:988138 free_pcp:207 free_cma:0
__sock_release+0xce/0x2b0 net/socket.c:602
Node 0 active_anon:894512kB inactive_anon:30172kB active_file:106892kB
inactive_file:67816kB unevictable:4096kB isolated(anon):0kB
isolated(file):0kB mapped:247376kB dirty:1324kB writeback:0kB shmem:12548kB
shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 813056kB writeback_tmp:0kB
unstable:0kB all_unreclaimable? no
sock_close+0x1b/0x30 net/socket.c:1139
__fput+0x275/0x7a0 fs/file_table.c:210
____fput+0x16/0x20 fs/file_table.c:244
task_work_run+0x114/0x190 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:164
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297
Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB
inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413201
RSP: 002b:00007ffdc0e436e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
Node 0
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000413201
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000001 R08: 000000006e783fbb R09: 000000006e783fbf
R10: 00007ffdc0e437c0 R11: 0000000000000293 R12: 0000000000760338
R13: 0000000000072391 R14: 00000000000723be R15: ffffffffffffffff
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
DMA free:15908kB min:216kB low:268kB high:320kB active_anon:0kB
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
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
lowmem_reserve[]:
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_uevent_env
0
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_uevent_env: filter
function caused the event to drop!
2580
kobject: 'batman_adv' (ffff8880a92b6f00): kobject_cleanup, parent
(null)
2580
kobject: 'batman_adv' (ffff8880a92b6f00): calling ktype release
2580
Node 0 DMA32 free:157900kB min:36468kB low:45584kB high:54700kB
active_anon:892348kB inactive_anon:30172kB active_file:106896kB
inactive_file:67824kB unevictable:4096kB writepending:1364kB
present:3129332kB managed:2644912kB mlocked:4096kB kernel_stack:13408kB
pagetables:22140kB bounce:0kB free_pcp:964kB local_pcp:552kB free_cma:0kB
kobject: (ffff8880a92b6f00): dynamic_kobj_release
lowmem_reserve[]:
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff888090da4910): kobject_cleanup, parent ffff888085575048
0 0 0 0
Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB
pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
lowmem_reserve[]:
kobject: 'rx-0' (ffff888090da4910): auto cleanup 'remove' event
0 0 0 0
kobject: 'rx-0' (ffff888090da4910): kobject_uevent_env
Node 1 Normal free:3781376kB min:53420kB low:66772kB high:80124kB
active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:0kB
unevictable:0kB writepending:0kB present:3932160kB managed:3870208kB
mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB
local_pcp:0kB free_cma:0kB
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
lowmem_reserve[]: 0 0 0 0
kobject: 'rx-0' (ffff888090da4910): fill_kobj_path: path
= '/devices/virtual/net/��/queues/rx-0'
Node 0
kobject: 'rx-0' (ffff888090da4910): auto cleanup kobject_del
DMA:
kobject: 'rx-0' (ffff888090da4910): calling ktype release
1*4kB
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808f7fc318): kobject_cleanup, parent ffff888085575048
(U)
kobject: 'tx-0' (ffff88808f7fc318): auto cleanup 'remove' event
0*8kB
kobject: 'tx-0' (ffff88808f7fc318): kobject_uevent_env
kobject: 'tx-0' (ffff88808f7fc318): fill_kobj_path: path
= '/devices/virtual/net/��/queues/tx-0'
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff88808f7fc318): auto cleanup kobject_del
0*16kB
kobject: 'tx-0' (ffff88808f7fc318): calling ktype release
1*32kB
kobject: 'tx-0': free name
(U)
kobject: 'queues' (ffff888085575048): kobject_cleanup, parent
(null)
2*64kB
kobject: 'queues' (ffff888085575048): calling ktype release
(U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M)
kobject: 'queues' (ffff888085575048): kset_release
3*4096kB
kobject: 'queues': free name
(UM)
kobject: '��' (ffff88805a7e5b70): kobject_uevent_env
= 15908kB
Node 0 DMA32: 1092*4kB (UME) 284*8kB (UME) 568*16kB (UME) 597*32kB
kobject: '��' (ffff88805a7e5b70): fill_kobj_path: path
= '/devices/virtual/net/��'
(UME) 731*64kB (UME) 94*128kB (UME) 27*256kB (UME) 57*512kB (UME) 23*1024kB
(UME) 2*2048kB (M) 0*4096kB = 157392kB
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: '��' (ffff88805a7e5b70): kobject_cleanup, parent (null)
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: 82*4kB (UE) 357*8kB (UME) 287*16kB (UM) 63*32kB (UM) 27*64kB
(UME) 16*128kB (UE) 14*256kB (UME) 6*512kB (U) 9*1024kB (UME) 10*2048kB
(UME) 911*4096kB (UM) = 3781376kB
kobject: '��' (ffff88805a7e5b70): calling ktype release
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
kobject: '��': free name
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=1048576kB
kobject: '��' (ffff88808eb28a70): kobject_add_internal: parent: 'net',
set: 'devices'
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0
hugepages_size=2048kB
kobject: '��' (ffff88808eb28a70): kobject_uevent_env
46507 total pagecache pages
kobject: '��' (ffff88808eb28a70): fill_kobj_path: path
= '/devices/virtual/net/��'
0 pages in swap cache
kobject: 'queues' (ffff888094800f48): kobject_add_internal: parent: '��',
set: '<NULL>'
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
kobject: 'queues' (ffff888094800f48): kobject_uevent_env
Total swap = 0kB
kobject: 'queues' (ffff888094800f48): kobject_uevent_env: filter function
caused the event to drop!
1965979 pages RAM
kobject: 'rx-0' (ffff8880a9aa0d90): kobject_add_internal: parent: 'queues',
set: 'queues'
0 pages HighMem/MovableOnly
kobject: 'rx-0' (ffff8880a9aa0d90): kobject_uevent_env
333222 pages reserved
kobject: 'rx-0' (ffff8880a9aa0d90): fill_kobj_path: path
= '/devices/virtual/net/��/queues/rx-0'
0 pages cma reserved
kobject: 'tx-0' (ffff88808af23558): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'tx-0' (ffff88808af23558): kobject_uevent_env
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'tx-0' (ffff88808af23558): fill_kobj_path: path
= '/devices/virtual/net/��/queues/tx-0'
kobject: 'kvm' (ffff888219fd3550): kobject_uevent_env
kobject: 'brif' (ffff88809035fa80): kobject_add_internal: parent: '��',
set: '<NULL>'
kobject: 'kvm' (ffff888219fd3550): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'batman_adv' (ffff88809035f980): kobject_add_internal:
parent: '��', set: '<NULL>'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff888089df2de0): kobject_uevent_env
kobject: 'loop0' (ffff888089df2de0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
kobject: 'loop4' (ffff8880a4a34120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4a34120): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop2' (ffff8880a49a4d20): kobject_uevent_env
kobject: 'loop2' (ffff8880a49a4d20): fill_kobj_path: path
= '/devices/virtual/block/loop2'
---
This bug is generated by a bot. It may contain errors.
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syzbot
Feb 23, 2020, 6:16:09 PM2/23/20
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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