syzbot


WARNING: suspicious RCU usage in __alloc_pages_nodemask (2)

Status: auto-closed as invalid on 2021/04/24 02:13
Reported-by: syzbot+2d3e83264d4628a701a9@syzkaller.appspotmail.com
First crash: 559d, last: 559d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: suspicious RCU usage in __alloc_pages_nodemask 3 730d 768d 0/1 auto-closed as invalid on 2020/11/03 17:12

Sample crash report:
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fffbeae36bf R14: 00007f38fd5189c0 R15: 000000000119bf8c
IPv6 header not found
WARNING: suspicious RCU usage
/
IPv6 header not found
IPv6 header not found
(UEH) 
IPv6 header not found
4.14.212-syzkaller #0 Not tainted
IPv6 header not found
IPv6 header not found
IPv6 header not found
0*64kB 
 mems_allowed=0-1
-----------------------------
IPv6 header not found
0*128kB 
CPU: 0 PID: 8321 Comm: syz-executor.2 Not tainted 4.14.212-syzkaller #0
net/sched/act_sample.c:95 suspicious rcu_dereference_protected() usage!
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+0x1b2/0x283 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
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058

other info that might help us debug this:

 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
0*256kB 
RSP: 002b:00007f79add0ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fff28bf83bf R14: 00007f79add0b9c0 R15: 000000000119bf8c
IPv6 header not found
0*512kB 
IPv6 header not found

rcu_scheduler_active = 2, debug_locks = 1
IPv6 header not found
0*1024kB 
IPv6 header not found
0*2048kB 
warn_alloc_show_mem: 2 callbacks suppressed
Mem-Info:
1 lock held by syz-executor.1/8338:
IPv6 header not found
 #0: 
active_anon:949482 inactive_anon:31473 isolated_anon:0
 active_file:16588 inactive_file:9213 isolated_file:0
 unevictable:2560 dirty:16 writeback:0 unstable:0
 slab_reclaimable:14353 slab_unreclaimable:139244
 mapped:65586 shmem:13392 pagetables:14612 bounce:0
 free:362634 free_pcp:517 free_cma:0
 (
Node 0 active_anon:2098132kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB isolated(anon):0kB isolated(file):0kB mapped:164140kB dirty:4kB writeback:0kB shmem:53452kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 765952kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
0*4096kB 
IPv6 header not found
= 35576kB
Node 1 active_anon:1699696kB inactive_anon:18132kB active_file:66324kB inactive_file:36848kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98204kB dirty:60kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
rtnl_mutex
IPv6 header not found
Node 0 
Node 0 
Normal: 
IPv6 header not found
){+.+.}
DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4740kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
0*4kB 
lowmem_reserve[]:
, at: [<ffffffff85e3235d>] rtnl_lock net/core/rtnetlink.c:72 [inline]
, at: [<ffffffff85e3235d>] rtnetlink_rcv_msg+0x31d/0xb10 net/core/rtnetlink.c:4311
IPv6 header not found
0*8kB 
IPv6 header not found
0*16kB 
 0

stack backtrace:
IPv6 header not found
CPU: 1 PID: 8338 Comm: syz-executor.1 Not tainted 4.14.212-syzkaller #0
 2717
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+0x1b2/0x283 lib/dump_stack.c:58
 tcf_sample_init+0x71c/0x8c0 net/sched/act_sample.c:95
 2718
 tcf_action_init_1+0x51a/0x9e0 net/sched/act_api.c:682
syz-executor.4: 
 tcf_action_init+0x26d/0x400 net/sched/act_api.c:751
IPv6 header not found
 tcf_action_add net/sched/act_api.c:1079 [inline]
 tc_ctl_action+0x2e3/0x50f net/sched/act_api.c:1131
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316
IPv6 header not found
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
page allocation failure: order:0
, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 2718
(null)
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 2718
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f5aeeea0c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 00000000200022c0 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffe3189e6af R14: 00007f5aeeea19c0 R15: 000000000119bf8c
libceph: connect [d::]:6789 error -1
IPv6 header not found
0*32kB 
Node 0 
0*64kB 
DMA32 free:35512kB min:36200kB low:45248kB high:54296kB active_anon:2093392kB inactive_anon:107760kB active_file:32kB inactive_file:0kB unevictable:10240kB writepending:8kB present:3129332kB managed:2788168kB mlocked:10240kB kernel_stack:9728kB pagetables:35880kB bounce:0kB free_pcp:1204kB local_pcp:732kB free_cma:0kB
0*128kB 
syz-executor.4 cpuset=
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
0*256kB 
/
0*512kB 
lowmem_reserve[]:
0*1024kB 
 0
0*2048kB 
IPv6 header not found
0*4096kB 
 0
= 0kB
 mems_allowed=0-1
Node 1 
IPv6 header not found
Normal: 
CPU: 0 PID: 8347 Comm: syz-executor.4 Not tainted 4.14.212-syzkaller #0
114*4kB 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
(UM) 
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 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
44*8kB 
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
(M) 
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
73*16kB 
 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
(ME) 
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f38fd517c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fffbeae36bf R14: 00007f38fd5189c0 R15: 000000000119bf8c
 0
155*32kB 
IPv6 header not found
(UME) 
IPv6 header not found
90*64kB 
IPv6 header not found
(UM) 
 0
40*128kB 
 0
(ME) 
IPv6 header not found
25*256kB 
IPv6 header not found
(ME) 
8*512kB 
IPv6 header not found
(M) 
Node 0 
2*1024kB 
IPv6 header not found
(UM) 
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
2*2048kB 
lowmem_reserve[]:
(UE) 
 0
334*4096kB 
 0
(M) 
 0
= 1402520kB
 0
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
IPv6 header not found
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
IPv6 header not found
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
IPv6 header not found
Node 1 hugepages_total=3 hugepages_free=2 hugepages_surp=3 hugepages_size=2048kB
IPv6 header not found
35848 total pagecache pages
IPv6 header not found
0 pages in swap cache
IPv6 header not found
Swap cache stats: add 0, delete 0, find 0/0
 0
libceph: connect [d::]:6789 error -1
IPv6 header not found
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
Free swap  = 0kB
Total swap = 0kB
IPv6 header not found
2097051 pages RAM
IPv6 header not found
0 pages HighMem/MovableOnly
Node 1 
363838 pages reserved
IPv6 header not found
0 pages cma reserved
Normal free:1401592kB min:53696kB low:67120kB high:80544kB active_anon:1699444kB inactive_anon:18132kB active_file:66324kB inactive_file:36928kB unevictable:0kB writepending:180kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:12384kB pagetables:22256kB bounce:0kB free_pcp:1276kB local_pcp:660kB free_cma:0kB
IPv6 header not found
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 10*4kB (UM) 2*8kB (UM) 1*16kB (M) 0*32kB 2*64kB (UM) 0*128kB 2*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 2*4096kB (M) = 10952kB
Node 0 DMA32: 376*4kB (UMEH) 1344*8kB (UMEH) 1210*16kB (UEH) 124*32kB (UEH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35584kB
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 
IPv6 header not found
= 0kB
IPv6 header not found
Node 1 
IPv6 header not found
Normal: 
IPv6 header not found
194*4kB 
IPv6 header not found
(UME) 
IPv6 header not found
377*8kB (UME) 191*16kB (UME) 69*32kB (UME) 90*64kB (UM) 44*128kB (UME) 25*256kB (ME) 8*512kB (M) 2*1024kB (UM) 2*2048kB (UE) 334*4096kB (M) = 1405152kB
IPv6 header not found
IPv6 header not found
IPv6 header not found
syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
syz-executor.0: 
IPv6 header not found
IPv6 header not found
IPv6 header not found
page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
IPv6 header not found
IPv6 header not found
IPv6 header not found
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
syz-executor.4 cpuset=
syz-executor.0 cpuset=
IPv6 header not found
IPv6 header not found
/
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
IPv6 header not found
/ mems_allowed=0-1
IPv6 header not found
IPv6 header not found
IPv6 header not found
CPU: 0 PID: 8369 Comm: syz-executor.4 Not tainted 4.14.212-syzkaller #0
 mems_allowed=0-1
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+0x1b2/0x283 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
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
IPv6 header not found
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f38fd517c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fffbeae36bf R14: 00007f38fd5189c0 R15: 000000000119bf8c
IPv6 header not found
CPU: 1 PID: 8375 Comm: syz-executor.0 Not tainted 4.14.212-syzkaller #0
Node 1 hugepages_total=3 hugepages_free=2 hugepages_surp=3 hugepages_size=2048kB
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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
35853 total pagecache pages
 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline]
 __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205
0 pages in swap cache
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
Swap cache stats: add 0, delete 0, find 0/0
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
IPv6 header not found
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
Free swap  = 0kB
Total swap = 0kB
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
warn_alloc_show_mem: 2 callbacks suppressed
Mem-Info:
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
IPv6 header not found
IPv6 header not found
 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
RIP: 0033:0x45e149
RSP: 002b:00007f5b88758c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
active_anon:949419 inactive_anon:31473 isolated_anon:0
 active_file:16588 inactive_file:9233 isolated_file:0
 unevictable:2560 dirty:18 writeback:3 unstable:0
 slab_reclaimable:14294 slab_unreclaimable:139344
 mapped:65597 shmem:13392 pagetables:14573 bounce:0
 free:362617 free_pcp:626 free_cma:0
R13: 00007ffe696ba04f R14: 00007f5b887599c0 R15: 000000000119bf8c
IPv6 header not found
IPv6 header not found
IPv6 header not found
2097051 pages RAM
Node 0 active_anon:2098132kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB isolated(anon):0kB isolated(file):0kB mapped:164384kB dirty:4kB writeback:0kB shmem:53452kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 765952kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
IPv6 header not found
Node 1 active_anon:1699544kB inactive_anon:18132kB active_file:66324kB inactive_file:36928kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98104kB dirty:68kB writeback:12kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
IPv6 header not found
Node 0 
IPv6 header not found
DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4740kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
IPv6 header not found
lowmem_reserve[]:
libceph: resolve 'Md\d' (ret=-3): failed
 0
libceph: parse_ips bad ip 'Md\d'
libceph: resolve 'Md\d' (ret=-3): failed
0 pages HighMem/MovableOnly
 2717
IPv6 header not found
libceph: parse_ips bad ip 'Md\d'
363838 pages reserved
libceph: connect [d::]:6789 error -1
IPv6 header not found
IPv6 header not found
IPv6 header not found
 2718
IPv6 header not found
libceph: mon0 [d::]:6789 connect error
0 pages cma reserved
IPv6 header not found
IPv6 header not found
 2718
IPv6 header not found
 2718
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
Node 0 
IPv6 header not found
IPv6 header not found
DMA32 free:35584kB min:36200kB low:45248kB high:54296kB active_anon:2093392kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB writepending:4kB present:3129332kB managed:2788168kB mlocked:10240kB kernel_stack:9728kB pagetables:35880kB bounce:0kB free_pcp:1324kB local_pcp:592kB free_cma:0kB
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
IPv6 header not found
IPv6 header not found
syz-executor.0: 
IPv6 header not found
page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
IPv6 header not found
IPv6 header not found
IPv6 header not found
lowmem_reserve[]:
IPv6 header not found
IPv6 header not found
IPv6 header not found
syz-executor.2 cpuset=
syz-executor.0 cpuset=
 0
IPv6 header not found
/ mems_allowed=0-1
 0 0 0 0
/ mems_allowed=0-1
IPv6 header not found
IPv6 header not found
Node 0 
CPU: 0 PID: 8401 Comm: syz-executor.0 Not tainted 4.14.212-syzkaller #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
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+0x1b2/0x283 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
IPv6 header not found
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
lowmem_reserve[]:
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f5b88758c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
 0
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffe696ba04f R14: 00007f5b887599c0 R15: 000000000119bf8c
IPv6 header not found
CPU: 1 PID: 8406 Comm: syz-executor.2 Not tainted 4.14.212-syzkaller #0
IPv6 header not found
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+0x1b2/0x283 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
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
IPv6 header not found
IPv6 header not found
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
IPv6 header not found
IPv6 header not found
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
IPv6 header not found
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
IPv6 header not found
RSP: 002b:00007f79add0ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fff28bf83bf R14: 00007f79add0b9c0 R15: 000000000119bf8c
 0
IPv6 header not found
IPv6 header not found
IPv6 header not found
 0
IPv6 header not found
 0
IPv6 header not found
IPv6 header not found
audit: type=1804 audit(1608862360.904:32945): pid=8416 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="bus" dev="sda1" ino=16181 res=1
IPv6 header not found
IPv6 header not found
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
audit: type=1804 audit(1608862360.934:32946): pid=8417 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="bus" dev="sda1" ino=16181 res=1
 0
IPv6 header not found
active_anon:949455 inactive_anon:31473 isolated_anon:0
 active_file:16588 inactive_file:9248 isolated_file:0
 unevictable:2560 dirty:26 writeback:0 unstable:0
 slab_reclaimable:14284 slab_unreclaimable:140175
 mapped:65654 shmem:13392 pagetables:14611 bounce:0
 free:361688 free_pcp:596 free_cma:0
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
libceph: connect [d::]:6789 error -1
IPv6 header not found
Node 0 active_anon:2098132kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB isolated(anon):0kB isolated(file):0kB mapped:164412kB dirty:4kB writeback:0kB shmem:53452kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 765952kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
IPv6 header not found
IPv6 header not found
IPv6 header not found
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
Node 1 
Node 1 active_anon:1699560kB inactive_anon:18132kB active_file:66324kB inactive_file:36992kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98192kB dirty:160kB writeback:72kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
IPv6 header not found
Node 0 
Normal free:1402620kB min:53696kB low:67120kB high:80544kB active_anon:1699520kB inactive_anon:18132kB active_file:66324kB inactive_file:37028kB unevictable:0kB writepending:168kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:12416kB pagetables:22260kB bounce:0kB free_pcp:1384kB local_pcp:696kB free_cma:0kB
DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4740kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
IPv6 header not found
lowmem_reserve[]:
lowmem_reserve[]:
 0
 0
 2717
 0
syz-executor.0: 
IPv6 header not found
 2718 2718 2718
Node 0 DMA32 free:35584kB min:36200kB low:45248kB high:54296kB active_anon:2093392kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB writepending:4kB present:3129332kB managed:2788168kB mlocked:10240kB kernel_stack:9728kB pagetables:35880kB bounce:0kB free_pcp:1344kB local_pcp:740kB free_cma:0kB
IPv6 header not found
audit: type=1804 audit(1608862361.454:32947): pid=8425 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
IPv6 header not found
audit: type=1804 audit(1608862361.504:32948): pid=8425 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
IPv6 header not found
IPv6 header not found
audit: type=1804 audit(1608862361.504:32949): pid=8425 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
IPv6 header not found
IPv6 header not found
lowmem_reserve[]: 0 0 0 0 0
page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
IPv6 header not found
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
IPv6 header not found
IPv6 header not found
syz-executor.0 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 8426 Comm: syz-executor.0 Not tainted 4.14.212-syzkaller #0
IPv6 header not found
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+0x1b2/0x283 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
 0
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
IPv6 header not found
 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
IPv6 header not found
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f5b88758c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffe696ba04f R14: 00007f5b887599c0 R15: 000000000119bf8c
lowmem_reserve[]:
 0
 0
 0
 0
IPv6 header not found
 0
IPv6 header not found
 0
 0
Node 0 
IPv6 header not found
Node 1 
DMA: 
Normal free:1402148kB min:53696kB low:67120kB high:80544kB active_anon:1699720kB inactive_anon:18132kB active_file:66324kB inactive_file:37028kB unevictable:0kB writepending:168kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:12448kB pagetables:22408kB bounce:0kB free_pcp:1340kB local_pcp:716kB free_cma:0kB
10*4kB 
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 10*4kB (UM) 2*8kB (UM) 1*16kB (M) 0*32kB 2*64kB (UM) 0*128kB 2*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 2*4096kB (M) = 10952kB
IPv6 header not found
Node 0 DMA32: 376*4kB (UMEH) 1344*8kB (UMEH) 1210*16kB (UEH) 126*32kB (UEH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35648kB
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
IPv6 header not found
Node 1 Normal: 69*4kB (UME) 127*8kB (UME) 82*16kB (UME) 61*32kB (ME) 81*64kB (UM) 49*128kB (UME) 25*256kB (ME) 8*512kB (M) 2*1024kB (UM) 2*2048kB (UE) 334*4096kB (M) = 1400716kB
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
IPv6 header not found
Node 1 hugepages_total=3 hugepages_free=2 hugepages_surp=3 hugepages_size=2048kB
(UM) 
libceph: connect [d::]:6789 error -1
audit: type=1804 audit(1608862362.094:32950): pid=8430 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
libceph: mon0 [d::]:6789 connect error
35890 total pagecache pages
IPv6 header not found
0 pages in swap cache
IPv6 header not found
Swap cache stats: add 0, delete 0, find 0/0
2*8kB (UM) 1*16kB (M) 0*32kB 2*64kB (UM) 0*128kB 2*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 2*4096kB (M) = 10952kB
audit: type=1804 audit(1608862362.124:32951): pid=8440 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
IPv6 header not found
Free swap  = 0kB
Total swap = 0kB
Node 0 
2097051 pages RAM
IPv6 header not found
0 pages HighMem/MovableOnly
DMA32: 
audit: type=1804 audit(1608862362.124:32952): pid=8430 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="file0" dev="sda1" ino=16233 res=1
405*4kB 
IPv6 header not found
363838 pages reserved
IPv6 header not found
0 pages cma reserved
IPv6 header not found
IPv6 header not found
(UMEH) 1345*8kB (UMEH) 1210*16kB (UEH) 126*32kB (UEH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35772kB
IPv6 header not found
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
IPv6 header not found
Node 1 
IPv6 header not found
Normal: 
IPv6 header not found
196*4kB (UME) 209*8kB (UME) 92*16kB (UME) 67*32kB (UME) 80*64kB (UM) 49*128kB (UME) 25*256kB (ME) 8*512kB (M) 2*1024kB (UM) 2*2048kB (UE) 334*4096kB (M) = 1402168kB
IPv6 header not found
IPv6 header not found
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
IPv6 header not found
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
IPv6 header not found
IPv6 header not found
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=3 hugepages_free=2 hugepages_surp=3 hugepages_size=2048kB
35890 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
363838 pages reserved
0 pages cma reserved
syz-executor.0: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
IPv6 header not found
IPv6 header not found
IPv6 header not found
syz-executor.0 cpuset=/ mems_allowed=0-1
IPv6 header not found
syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
CPU: 0 PID: 8459 Comm: syz-executor.0 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
device lo left promiscuous mode
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
syz-executor.4 cpuset=
 __alloc_pages_slowpath mm/page_alloc.c:4102 [inline]
 __alloc_pages_nodemask+0x2127/0x2720 mm/page_alloc.c:4205
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
/
 mems_allowed=0-1
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f5b88758c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffe696ba04f R14: 00007f5b887599c0 R15: 000000000119bf8c
CPU: 1 PID: 8470 Comm: syz-executor.4 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
IPv6 header not found
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 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
IPv6 header not found
 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:520 [inline]
 alloc_mmu_pages arch/x86/kvm/mmu.c:5173 [inline]
 kvm_mmu_create+0xda/0x1d0 arch/x86/kvm/mmu.c:5191
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8286
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:321
 vmx_create_vcpu+0xef/0x29d0 arch/x86/kvm/vmx.c:10042
IPv6 header not found
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
IPv6 header not found
IPv6 header not found
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
IPv6 header not found
 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
IPv6 header not found
RIP: 0033:0x45e149
RSP: 002b:00007f38fd517c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
IPv6 header not found
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fffbeae36bf R14: 00007f38fd5189c0 R15: 000000000119bf8c
warn_alloc_show_mem: 2 callbacks suppressed
Mem-Info:
IPv6 header not found
active_anon:949516 inactive_anon:31473 isolated_anon:0
 active_file:16588 inactive_file:9270 isolated_file:0
 unevictable:2560 dirty:13 writeback:0 unstable:0
 slab_reclaimable:14266 slab_unreclaimable:141176
 mapped:65660 shmem:13392 pagetables:14648 bounce:0
 free:360616 free_pcp:576 free_cma:0
IPv6 header not found
Node 0 active_anon:2098132kB inactive_anon:107760kB active_file:28kB inactive_file:4kB unevictable:10240kB isolated(anon):0kB isolated(file):0kB mapped:164536kB dirty:4kB writeback:0kB shmem:53452kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 765952kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
IPv6 header not found
Node 1 active_anon:1699832kB inactive_anon:18132kB active_file:66324kB inactive_file:37076kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98104kB dirty:48kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
IPv6 header not found
Node 0 
IPv6 header not found
DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4740kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:8kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
IPv6 header not found
libceph: connect [d::]:6789 error -1
IPv6 header not found
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
lowmem_reserve[]:
IPv6 header not found
 0
IPv6 header not found
 2717
IPv6 header not found
 2718
IPv6 header not found
 2718 2718
Node 0 DMA32 free:36388kB min:36200kB low:45248kB high:54296kB active_anon:2093392kB inactive_anon:107760kB active_file:32kB inactive_file:0kB unevictable:10240kB writepending:4kB present:3129332kB managed:2788168kB mlocked:10240kB kernel_stack:9696kB pagetables:35880kB bounce:0kB free_pcp:1420kB local_pcp:696kB free_cma:0kB
IPv6 header not found
IPv6 header not found
IPv6 header not found
lowmem_reserve[]: 0 0 0 0 0
IPv6 header not found
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
IPv6 header not found
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:1396972kB min:53696kB low:67120kB high:80544kB active_anon:1699888kB inactive_anon:18132kB active_file:66324kB inactive_file:37124kB unevictable:0kB writepending:100kB present:4194304kB managed:4128256kB mlocked:0kB kernel_stack:12608kB pagetables:22592kB bounce:0kB free_pcp:948kB local_pcp:564kB free_cma:0kB
IPv6 header not found
device bridge0 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
lowmem_reserve[]: 0 0 0 0 0
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
Node 0 DMA: 10*4kB (UM) 2*8kB (UM) 1*16kB (M) 0*32kB 2*64kB (UM) 0*128kB 2*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 2*4096kB (M) = 10952kB
8021q: adding VLAN 0 to HW filter on device bond0
Node 0 DMA32: 453*4kB (UMEH) 1348*8kB (UMEH) 1233*16kB (UEH) 127*32kB (UEH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36388kB
IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
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
8021q: adding VLAN 0 to HW filter on device team0
Node 1 Normal: 166*4kB (UME) 139*8kB (UME) 147*16kB (UME) 72*32kB (UME) 36*64kB (UM) 45*128kB (UME) 26*256kB (UME) 9*512kB (UM) 1*1024kB (M) 1*2048kB (E) 334*4096kB (M) = 1396896kB
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
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=3 hugepages_free=2 hugepages_surp=3 hugepages_size=2048kB
35902 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
363838 pages reserved
0 pages cma reserved
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
8021q: adding VLAN 0 to HW filter on device bond0
IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
8021q: adding VLAN 0 to HW filter on device team0
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6 header not found
IPv6 header not found
audit: type=1804 audit(1608862364.004:32953): pid=8542 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="bus" dev="sda1" ino=16212 res=1
IPv6 header not found
IPv6 header not found
libceph: connect [d::]:6789 error -1
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
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IPv6 header not found
IPv6 header not found
libceph: connect [d::]:6789 error -1
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
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IPv6 header not found
netlink: 92 bytes leftover after parsing attributes in process `syz-executor.1'.
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
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IPv6 header not found
IPv6 header not found
IPv6 header not found
libceph: connect [d::]:6789 error -1
IPv6 header not found
libceph: mon0 [d::]:6789 connect error
IPv6 header not found
IPv6 header not found
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
CPU: 0 PID: 8661 Comm: syz-executor.2 Not tainted 4.14.212-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+0x1b2/0x283 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x154 lib/fault-inject.c:149
 should_failslab+0xd6/0x130 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550
 kmem_cache_zalloc include/linux/slab.h:651 [inline]
 vmx_create_vcpu+0x87/0x29d0 arch/x86/kvm/vmx.c:10033
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
 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
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
RSP: 002b:00007f79add0ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 00007f79add0aca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff28bf83bf R14: 00007f79add0b9c0 R15: 000000000119bf8c
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
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IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
netlink: 52 bytes leftover after parsing attributes in process `syz-executor.1'.
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
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IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
IPv6 header not found
CPU: 0 PID: 8697 Comm: syz-executor.2 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
IPv6 header not found
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x154 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179
IPv6 header not found
 __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+0x8f/0x420 mm/slab.c:2676
IPv6 header not found
 cache_alloc_refill+0x273/0x350 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x333/0x3c0 mm/slab.c:3550
 kmem_cache_zalloc include/linux/slab.h:651 [inline]
 vmx_create_vcpu+0x87/0x29d0 arch/x86/kvm/vmx.c:10033
IPv6 header not found
IPv6 header not found
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
IPv6 header not found
IPv6 header not found
IPv6 header not found
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
libceph: connect [d::]:6789 error -1
IPv6 header not found
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
IPv6 header not found
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e149
libceph: mon0 [d::]:6789 connect error
RSP: 002b:00007f79add0ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 00007f79add0aca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff28bf83bf R14: 00007f79add0b9c0 R15: 000000000119bf8c
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
IPv6 header not found
CPU: 0 PID: 8727 Comm: syz-executor.2 Not tainted 4.14.212-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+0x1b2/0x283 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x154 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2898 [inline]
 prepare_alloc_pages mm/page_alloc.c:4131 [inline]
 __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179
IPv6 header not found
 __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+0x8f/0x420 mm/slab.c:2676
IPv6 header not found
 ____cache_alloc_node+0x170/0x1d0 mm/slab.c:3278
 __do_cache_alloc mm/slab.c:3354 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x1e5/0x3c0 mm/slab.c:3550
 kmem_cache_zalloc include/linux/slab.h:651 [inline]
 vmx_create_vcpu+0x87/0x29d0 arch/x86/kvm/vmx.c:10033
IPv6 header not found
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2550 [inline]
 kvm_vm_ioctl+0x4ca/0x13e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3058
IPv6 header not found
 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
IPv6 header not found
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
IPv6 header not found
RIP: 0033:0x45e149
RSP: 002b:00007f79add0ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e149
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 00007f79add0aca0 R08: 0000000000000000 R09: 0000000000000000
IPv6 header not found
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff28bf83bf R14: 00007f79add0b9c0 R15: 000000000119bf8c
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found
IPv6 header not found

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/12/25 02:12 linux-4.14.y 3f2ecb86cb90 c2c1d1dd .config log report info