audit: type=1400 audit(1664607222.797:9): avc: denied { create } for pid=3975 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1
------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
6.0.0-rc7-next-20220930 #1 Not tainted
------------------------------------------------------
syz-executor.1/3983 is trying to acquire lock:
ffffffff853faab8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70
but task is already holding lock:
ffff88800f859020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ctx->lock){....}-{2:2}:
_raw_spin_lock+0x2a/0x40
__perf_event_task_sched_out+0x53b/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #2 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x30/0x40
raw_spin_rq_lock_nested+0x1e/0x30
task_fork_fair+0x63/0x4d0
sched_cgroup_fork+0x3d0/0x540
copy_process+0x4183/0x6e20
kernel_clone+0xe7/0x890
user_mode_thread+0xad/0xf0
rest_init+0x24/0x250
arch_call_rest_init+0xf/0x14
start_kernel+0x4c6/0x4eb
secondary_startup_64_no_verify+0xe0/0xeb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
_raw_spin_lock_irqsave+0x39/0x60
try_to_wake_up+0xab/0x1930
up+0x75/0xb0
__up_console_sem+0x6e/0x80
console_unlock+0x46a/0x590
vprintk_emit+0x1bd/0x560
vprintk+0x84/0xa0
_printk+0xba/0xf1
kauditd_hold_skb.cold+0x3f/0x4e
kauditd_send_queue+0x233/0x290
kauditd_thread+0x5f9/0x9c0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
-> #0 ((console_sem).lock){....}-{2:2}:
__lock_acquire+0x2a02/0x5e70
lock_acquire+0x1a2/0x530
_raw_spin_lock_irqsave+0x39/0x60
down_trylock+0xe/0x70
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x16b/0x560
vprintk+0x84/0xa0
_printk+0xba/0xf1
report_bug.cold+0x72/0xab
handle_bug+0x3c/0x70
exc_invalid_op+0x14/0x50
asm_exc_invalid_op+0x16/0x20
group_sched_out.part.0+0x2c7/0x460
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rq->__lock --> &ctx->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->lock);
lock(&rq->__lock);
lock(&ctx->lock);
lock((console_sem).lock);
*** DEADLOCK ***
2 locks held by syz-executor.1/3983:
#0: ffff88806ce37e98 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88800f859020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0
stack backtrace:
CPU: 0 PID: 3983 Comm: syz-executor.1 Not tainted 6.0.0-rc7-next-20220930 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
check_noncircular+0x263/0x2e0
__lock_acquire+0x2a02/0x5e70
lock_acquire+0x1a2/0x530
_raw_spin_lock_irqsave+0x39/0x60
down_trylock+0xe/0x70
__down_trylock_console_sem+0x3b/0xd0
vprintk_emit+0x16b/0x560
vprintk+0x84/0xa0
_printk+0xba/0xf1
report_bug.cold+0x72/0xab
handle_bug+0x3c/0x70
exc_invalid_op+0x14/0x50
asm_exc_invalid_op+0x16/0x20
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88801e3f7c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888018a7b580 RSI: ffffffff81565dc7 RDI: 0000000000000005
RBP: ffff888008660b90 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88800f859000
R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f211f94eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f211cec4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f211fa61f68 RCX: 00007f211f94eb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f211fa61f6c
RBP: 00007f211fa61f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f211fa61f6c
R13: 00007ffc52aea57f R14: 00007f211cec4300 R15: 0000000000022000
WARNING: CPU: 0 PID: 3983 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460
Modules linked in:
CPU: 0 PID: 3983 Comm: syz-executor.1 Not tainted 6.0.0-rc7-next-20220930 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:group_sched_out.part.0+0x2c7/0x460
Code: 5e 41 5f e9 8b ae ef ff e8 86 ae ef ff 65 8b 1d 0b 18 ac 7e 31 ff 89 de e8 26 ab ef ff 85 db 0f 84 8a 00 00 00 e8 69 ae ef ff <0f> 0b e9 a5 fe ff ff e8 5d ae ef ff 48 8d 7d 10 48 b8 00 00 00 00
RSP: 0018:ffff88801e3f7c48 EFLAGS: 00010006
RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888018a7b580 RSI: ffffffff81565dc7 RDI: 0000000000000005
RBP: ffff888008660b90 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88800f859000
R13: ffff88806ce3d2c0 R14: ffffffff8547d000 R15: 0000000000000002
FS: 00007f211cec4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f936e7fd540 CR3: 000000001b66a000 CR4: 0000000000350ef0
Call Trace:
ctx_sched_out+0x8f1/0xc10
__perf_event_task_sched_out+0x6d0/0x18d0
__schedule+0xedd/0x2470
schedule+0xda/0x1b0
exit_to_user_mode_prepare+0x114/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f211f94eb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f211cec4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f211fa61f68 RCX: 00007f211f94eb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f211fa61f6c
RBP: 00007f211fa61f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f211fa61f6c
R13: 00007ffc52aea57f R14: 00007f211cec4300 R15: 0000000000022000
irq event stamp: 272
hardirqs last enabled at (271): [] exit_to_user_mode_prepare+0x109/0x1a0
hardirqs last disabled at (272): [] __schedule+0x1225/0x2470
softirqs last enabled at (0): [] copy_process+0x1e15/0x6e20
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---
loop6: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 2560
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir838936589/syzkaller.nFLE2K/1/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop6): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir115000910/syzkaller.ZOs6ES/1/file0 supports timestamps until 2038 (0x7fffffff)
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
loop3: detected capacity change from 0 to 2048
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
EXT4-fs (loop6): unmounting filesystem.
EXT4-fs (loop4): unmounting filesystem.
syz-executor.7 invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
CPU: 0 PID: 310 Comm: syz-executor.7 Tainted: G W 6.0.0-rc7-next-20220930 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
dump_header+0x10b/0x84a
oom_kill_process.cold+0x10/0x15
out_of_memory+0x11ee/0x14b0
__alloc_pages_slowpath.constprop.0+0x1982/0x1fd0
__alloc_pages+0x428/0x500
alloc_pages+0x19c/0x250
filemap_alloc_folio+0x2d2/0x370
__filemap_get_folio+0x328/0xc90
filemap_fault+0x1492/0x20d0
__do_fault+0x10d/0x590
__handle_mm_fault+0x138a/0x35e0
handle_mm_fault+0x2e6/0xa20
do_user_addr_fault+0x536/0x1300
exc_page_fault+0x98/0x1a0
asm_exc_page_fault+0x22/0x30
RIP: 0033:0x7f4e310600d0
Code: Unable to access opcode bytes at 0x7f4e310600a6.
RSP: 002b:00007ffd7368bbd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f4e310618e1
RDX: 00007ffd7368bc20 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd7368bcac R08: 0000000000000000 R09: 00007ffd73735080
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000023d0c R14: 000000000000000d R15: 00007ffd7368bd10
Mem-Info:
active_anon:285 inactive_anon:37880 isolated_anon:0
active_file:6 inactive_file:16 isolated_file:0
unevictable:0 dirty:0 writeback:0
slab_reclaimable:8595 slab_unreclaimable:57589
mapped:69644 shmem:96 pagetables:1008
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:2993 free_pcp:62 free_cma:0
Node 0 active_anon:1140kB inactive_anon:151520kB active_file:24kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278576kB dirty:0kB writeback:0kB shmem:384kB writeback_tmp:0kB kernel_stack:4480kB pagetables:4032kB sec_pagetables:0kB all_unreclaimable? yes
Node 0 DMA free:6488kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:8kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1613 1613 1613
Node 0 DMA32 free:5484kB boost:2048kB min:7164kB low:8812kB high:10460kB reserved_highatomic:0KB active_anon:1140kB inactive_anon:151512kB active_file:100kB inactive_file:80kB unevictable:0kB writepending:0kB present:2080640kB managed:1656480kB mlocked:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 1*8kB (M) 1*16kB (M) 2*32kB (UM) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 6488kB
Node 0 DMA32: 381*4kB (UME) 189*8kB (UM) 77*16kB (UM) 30*32kB (UM) 2*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5484kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
118 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
106198 pages reserved
Unreclaimable slab info:
Name Used Total
pid_2 22KB 22KB
IEEE-802.15.4-MAC 31KB 31KB
fib6_nodes 24KB 24KB
ip6_dst_cache 15KB 15KB
RAWv6 92KB 92KB
UDPv6 64KB 64KB
TCPv6 62KB 62KB
scsi_sense_cache 8KB 8KB
virtio_scsi_cmd 16KB 16KB
bio-120 7KB 7KB
mqueue_inode_cache 60KB 60KB
nfs_commit_data 15KB 15KB
nfs_write_data 47KB 47KB
jbd2_inode 7KB 7KB
ext4_system_zone 7KB 7KB
ext4_io_end_vec 7KB 7KB
ext4_bio_post_read_ctx 15KB 15KB
pid_namespace 7KB 7KB
posix_timers_cache 7KB 7KB
rpc_buffers 31KB 31KB
rpc_tasks 3KB 3KB
UNIX-STREAM 168KB 288KB
UNIX 172KB 256KB
tcp_bind2_bucket 8KB 8KB
tcp_bind_bucket 8KB 8KB
ip_fib_trie 8KB 8KB
ip_fib_alias 11KB 11KB
ip_dst_cache 28KB 28KB
RAW 30KB 30KB
UDP 184KB 184KB
request_sock_TCP 15KB 15KB
TCP 60KB 60KB
hugetlbfs_inode_cache 31KB 31KB
bio-248 11KB 11KB
ep_head 8KB 8KB
eventpoll_pwq 19KB 19KB
eventpoll_epi 35KB 35KB
inotify_inode_mark 23KB 23KB
sgpool-128 59KB 59KB
sgpool-64 63KB 63KB
sgpool-32 47KB 47KB
sgpool-16 22KB 22KB
sgpool-8 18KB 37KB
request_queue 60KB 60KB
blkdev_ioc 8KB 8KB
bio-184 36KB 36KB
biovec-max 535KB 535KB
biovec-64 141KB 157KB
biovec-16 18KB 18KB
uid_cache 7KB 7KB
dmaengine-unmap-2 4KB 4KB
audit_buffer 7KB 7KB
skbuff_fclone_cache 30KB 60KB
skbuff_head_cache 124KB 161KB
file_lock_cache 43KB 63KB
file_lock_ctx 7KB 7KB
fsnotify_mark_connector 16KB 16KB
taskstats 15KB 15KB
proc_dir_entry 303KB 303KB
pde_opener 7KB 7KB
seq_file 56KB 56KB
sigqueue 27KB 43KB
shmem_inode_cache 1399KB 1399KB
kernfs_iattrs_cache 250KB 250KB
kernfs_node_cache 4664KB 4664KB
mnt_cache 133KB 133KB
filp 2055KB 2407KB
names_cache 16077KB 18096KB
net_namespace 55KB 55KB
hashtab_node 274KB 274KB
ebitmap_node 1149KB 1149KB
avtab_node 4976KB 4976KB
avc_node 31KB 31KB
lsm_inode_cache 3286KB 3296KB
lsm_file_cache 103KB 128KB
key_jar 31KB 31KB
uts_namespace 15KB 15KB
nsproxy 7KB 7KB
vm_area_struct 711KB 1177KB
mm_struct 196KB 283KB
fs_cache 44KB 44KB
files_cache 175KB 175KB
signal_cache 334KB 394KB
sighand_cache 330KB 330KB
task_struct 1230KB 1310KB
cred_jar 132KB 156KB
anon_vma_chain 172KB 224KB
anon_vma 223KB 223KB
pid 73KB 75KB
Acpi-Operand 76KB 142KB
Acpi-ParseExt 31KB 31KB
Acpi-Parse 31KB 47KB
Acpi-State 27KB 43KB
Acpi-Namespace 24KB 24KB
numa_policy 3KB 3KB
perf_event 31KB 31KB
trace_event_file 179KB 179KB
ftrace_event_field 312KB 312KB
pool_workqueue 32KB 32KB
maple_node 1213KB 3208KB
task_group 16KB 16KB
vmap_area 35KB 35KB
page->ptl 134KB 161KB
kmemleak_scan_area 19KB 19KB
kmemleak_object 133678KB 146225KB
kmalloc-cg-8k 64KB 64KB
kmalloc-cg-4k 1952KB 2144KB
kmalloc-cg-2k 1344KB 1344KB
kmalloc-cg-1k 352KB 352KB
kmalloc-cg-512 242KB 272KB
kmalloc-cg-256 40KB 40KB
kmalloc-cg-192 32KB 32KB
kmalloc-cg-128 36KB 36KB
kmalloc-cg-96 16KB 16KB
kmalloc-cg-64 16KB 16KB
kmalloc-cg-32 40KB 56KB
kmalloc-cg-16 8KB 8KB
kmalloc-cg-8 11KB 11KB
kmalloc-8k 1440KB 1440KB
kmalloc-4k 4568KB 4776KB
kmalloc-2k 2880KB 3168KB
kmalloc-1k 1514KB 1728KB
kmalloc-512 1460KB 1728KB
kmalloc-256 916KB 928KB
kmalloc-192 460KB 472KB
kmalloc-128 245KB 316KB
kmalloc-96 239KB 244KB
kmalloc-64 965KB 1004KB
kmalloc-32 461KB 500KB
kmalloc-16 323KB 324KB
kmalloc-8 245KB 247KB
kmem_cache_node 47KB 47KB
kmem_cache 78KB 78KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz7,mems_allowed=0,global_oom,task_memcg=/syz7,task=syz-executor.7,pid=310,uid=0
Out of memory (oom_kill_allocating_task): Killed process 310 (syz-executor.7) total-vm:93280kB, anon-rss:360kB, file-rss:33720kB, shmem-rss:0kB, UID:0 pgtables:124kB oom_score_adj:0
systemd-timesyn invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0
CPU: 1 PID: 128 Comm: systemd-timesyn Tainted: G W 6.0.0-rc7-next-20220930 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
dump_header+0x10b/0x84a
oom_kill_process.cold+0x10/0x15
out_of_memory+0x11ee/0x14b0
__alloc_pages_slowpath.constprop.0+0x1982/0x1fd0
__alloc_pages+0x428/0x500
alloc_pages+0x19c/0x250
filemap_alloc_folio+0x2d2/0x370
__filemap_get_folio+0x328/0xc90
filemap_fault+0x1492/0x20d0
__do_fault+0x10d/0x590
__handle_mm_fault+0x138a/0x35e0
handle_mm_fault+0x2e6/0xa20
do_user_addr_fault+0x536/0x1300
exc_page_fault+0x98/0x1a0
asm_exc_page_fault+0x22/0x30
RIP: 0033:0x7f619dce4116
Code: Unable to access opcode bytes at 0x7f619dce40ec.
RSP: 002b:00007ffc0617ccc0 EFLAGS: 00010293
RAX: 0000000000000001 RBX: 000055ad184d1310 RCX: 00007f619dce4116
RDX: 0000000000000008 RSI: 000055ad184d6e90 RDI: 0000000000000004
RBP: ffffffffffffffff R08: 0000000000000000 R09: 000055ad184d0b60
R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000008 R14: 0000000000000065 R15: 0000000000000000
Mem-Info:
active_anon:285 inactive_anon:37880 isolated_anon:0
active_file:27 inactive_file:0 isolated_file:0
unevictable:0 dirty:0 writeback:0
slab_reclaimable:8595 slab_unreclaimable:57589
mapped:69634 shmem:96 pagetables:987
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:2608 free_pcp:148 free_cma:0
Node 0 active_anon:1140kB inactive_anon:151520kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:0kB writeback:0kB shmem:384kB writeback_tmp:0kB kernel_stack:4480kB pagetables:3948kB sec_pagetables:0kB all_unreclaimable? yes
Node 0 DMA free:6472kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:8kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1613 1613 1613
Node 0 DMA32 free:3456kB boost:6144kB min:11260kB low:12908kB high:14556kB reserved_highatomic:0KB active_anon:1140kB inactive_anon:151512kB active_file:24kB inactive_file:52kB unevictable:0kB writepending:0kB present:2080640kB managed:1656480kB mlocked:0kB bounce:0kB free_pcp:592kB local_pcp:344kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 0*4kB 1*8kB (M) 2*16kB (UM) 1*32kB (M) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 6472kB
Node 0 DMA32: 285*4kB (UME) 116*8kB (UM) 49*16kB (UM) 11*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3204kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
116 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
106198 pages reserved
Unreclaimable slab info:
Name Used Total
syz-executor.7: page allocation failure: order:0, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=syz7
pid_2 22KB 22KB
,mems_allowed=0
IEEE-802.15.4-MAC 31KB 31KB
fib6_nodes 24KB 24KB
CPU: 0 PID: 3984 Comm: syz-executor.7 Tainted: G W 6.0.0-rc7-next-20220930 #1
ip6_dst_cache 15KB 15KB
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
RAWv6 92KB 92KB
dump_stack_lvl+0x8b/0xb3
UDPv6 64KB 64KB
warn_alloc.cold+0x95/0x1a7
TCPv6 62KB 62KB
scsi_sense_cache 8KB 8KB
virtio_scsi_cmd 16KB 16KB
bio-120 7KB 7KB
mqueue_inode_cache 60KB 60KB
nfs_commit_data 15KB 15KB
__alloc_pages_slowpath.constprop.0+0x1b73/0x1fd0
nfs_write_data 47KB 47KB
jbd2_inode 7KB 7KB
ext4_system_zone 7KB 7KB
ext4_io_end_vec 7KB 7KB
__alloc_pages+0x428/0x500
ext4_bio_post_read_ctx 15KB 15KB
pid_namespace 7KB 7KB
posix_timers_cache 7KB 7KB
rpc_buffers 31KB 31KB
alloc_pages+0x19c/0x250
rpc_tasks 3KB 3KB
relay_open_buf.part.0+0x285/0xbc0
UNIX-STREAM 168KB 288KB
UNIX 172KB 256KB
relay_open+0x504/0x9e0
tcp_bind2_bucket 8KB 8KB
do_blk_trace_setup+0x4bc/0xb60
tcp_bind_bucket 8KB 8KB
__blk_trace_setup+0xca/0x180
ip_fib_trie 8KB 8KB
ip_fib_alias 11KB 11KB
ip_dst_cache 28KB 28KB
blk_trace_setup+0x43/0x60
RAW 30KB 30KB
sg_ioctl+0x6a1/0x2690
UDP 184KB 184KB
request_sock_TCP 15KB 15KB
TCP 60KB 60KB
hugetlbfs_inode_cache 31KB 31KB
bio-248 11KB 11KB
ep_head 8KB 8KB
__x64_sys_ioctl+0x19a/0x210
eventpoll_pwq 19KB 19KB
do_syscall_64+0x3b/0x90
eventpoll_epi 35KB 35KB
entry_SYSCALL_64_after_hwframe+0x63/0xcd
inotify_inode_mark 23KB 23KB
RIP: 0033:0x7f4e3103cb19
sgpool-128 59KB 59KB
Code: Unable to access opcode bytes at 0x7f4e3103caef.
sgpool-64 63KB 63KB
RSP: 002b:00007f4e2e5b2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
sgpool-32 47KB 47KB
RAX: ffffffffffffffda RBX: 00007f4e3114ff60 RCX: 00007f4e3103cb19
sgpool-16 22KB 22KB
RDX: 0000000020000080 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007f4e31096f6d R08: 0000000000000000 R09: 0000000000000000
sgpool-8 18KB 37KB
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
request_queue 60KB 60KB
R13: 00007ffd7368b9ff R14: 00007f4e2e5b2300 R15: 0000000000022000
blkdev_ioc 8KB 8KB
Mem-Info:
bio-184 36KB 36KB
active_anon:285 inactive_anon:37880 isolated_anon:0
active_file:27 inactive_file:0 isolated_file:0
unevictable:0 dirty:0 writeback:0
slab_reclaimable:8595 slab_unreclaimable:57589
mapped:69634 shmem:96 pagetables:987
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:2482 free_pcp:148 free_cma:0
biovec-max 535KB 535KB
Node 0 active_anon:1140kB inactive_anon:151520kB active_file:108kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:0kB writeback:0kB shmem:384kB writeback_tmp:0kB kernel_stack:4480kB pagetables:3948kB sec_pagetables:0kB all_unreclaimable? yes
biovec-64 141KB 157KB
Node 0
biovec-16 18KB 18KB
DMA free:6472kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:8kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
uid_cache 7KB 7KB
lowmem_reserve[]: 0
dmaengine-unmap-2 4KB 4KB
1613
audit_buffer 7KB 7KB
1613
skbuff_fclone_cache 30KB 60KB
1613
skbuff_head_cache 124KB 161KB
file_lock_cache 43KB 63KB
Node 0
file_lock_ctx 7KB 7KB
DMA32 free:3456kB boost:6144kB min:11260kB low:12908kB high:14556kB reserved_highatomic:0KB active_anon:1140kB inactive_anon:151512kB active_file:24kB inactive_file:52kB unevictable:0kB writepending:0kB present:2080640kB managed:1656480kB mlocked:0kB bounce:0kB free_pcp:592kB local_pcp:248kB free_cma:0kB
fsnotify_mark_connector 16KB 16KB
lowmem_reserve[]: 0
taskstats 15KB 15KB
0
proc_dir_entry 303KB 303KB
0
pde_opener 7KB 7KB
0
seq_file 56KB 56KB
Node 0
sigqueue 27KB 43KB
DMA:
shmem_inode_cache 1399KB 1399KB
0*4kB
kernfs_iattrs_cache 250KB 250KB
1*8kB
kernfs_node_cache 4664KB 4664KB
(M)
mnt_cache 133KB 133KB
2*16kB
filp 2055KB 2407KB
(UM)
names_cache 16077KB 18096KB
1*32kB
net_namespace 55KB 55KB
(M)
hashtab_node 274KB 274KB
2*64kB
ebitmap_node 1149KB 1149KB
(UM)
avtab_node 4976KB 4976KB
1*128kB
avc_node 31KB 31KB
(M)
lsm_inode_cache 3286KB 3296KB
2*256kB
lsm_file_cache 103KB 128KB
(UM)
key_jar 31KB 31KB
1*512kB
uts_namespace 15KB 15KB
(M)
nsproxy 7KB 7KB
1*1024kB
vm_area_struct 711KB 1177KB
(M)
mm_struct 196KB 283KB
0*2048kB
fs_cache 44KB 44KB
1*4096kB
files_cache 175KB 175KB
(M)
signal_cache 334KB 394KB
= 6472kB
sighand_cache 330KB 330KB
Node 0
task_struct 1230KB 1310KB
DMA32:
cred_jar 132KB 156KB
285*4kB
anon_vma_chain 172KB 224KB
(UME)
anon_vma 223KB 223KB
116*8kB
pid 73KB 75KB
(UM)
Acpi-Operand 76KB 142KB
49*16kB
Acpi-ParseExt 31KB 31KB
(UM)
Acpi-Parse 31KB 47KB
11*32kB
Acpi-State 27KB 43KB
(UM)
Acpi-Namespace 24KB 24KB
0*64kB
numa_policy 3KB 3KB
0*128kB
perf_event 31KB 31KB
0*256kB
trace_event_file 179KB 179KB
0*512kB
ftrace_event_field 312KB 312KB
0*1024kB
pool_workqueue 32KB 32KB
0*2048kB
maple_node 1213KB 3208KB
0*4096kB
task_group 16KB 16KB
= 3204kB
vmap_area 35KB 35KB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
page->ptl 134KB 161KB
116 total pagecache pages
kmemleak_scan_area 19KB 19KB
0 pages in swap cache
kmemleak_object 133678KB 146225KB
Free swap = 0kB
kmalloc-cg-8k 64KB 64KB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
kmalloc-cg-4k 1952KB 2144KB
106198 pages reserved
kmalloc-cg-2k 1344KB 1344KB
kmalloc-cg-1k 352KB 352KB
kmalloc-cg-512 242KB 272KB
kmalloc-cg-256 40KB 40KB
kmalloc-cg-192 32KB 32KB
kmalloc-cg-128 36KB 36KB
kmalloc-cg-96 16KB 16KB
kmalloc-cg-64 16KB 16KB
kmalloc-cg-32 40KB 56KB
kmalloc-cg-16 8KB 8KB
kmalloc-cg-8 11KB 11KB
kmalloc-8k 1440KB 1440KB
kmalloc-4k 4568KB 4776KB
kmalloc-2k 2880KB 3168KB
kmalloc-1k 1514KB 1728KB
kmalloc-512 1460KB 1728KB
kmalloc-256 916KB 928KB
kmalloc-192 460KB 472KB
kmalloc-128 245KB 316KB
kmalloc-96 239KB 244KB
kmalloc-64 965KB 1004KB
kmalloc-32 461KB 500KB
kmalloc-16 323KB 324KB
kmalloc-8 245KB 247KB
kmem_cache_node 47KB 47KB
kmem_cache 78KB 78KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/systemd-timesyncd.service,task=systemd-timesyn,pid=128,uid=101
Out of memory (oom_kill_allocating_task): Killed process 128 (systemd-timesyn) total-vm:88376kB, anon-rss:692kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:76kB oom_score_adj:0
(imesyncd) invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=0
CPU: 0 PID: 4026 Comm: (imesyncd) Tainted: G W 6.0.0-rc7-next-20220930 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
dump_header+0x10b/0x84a
oom_kill_process.cold+0x10/0x15
out_of_memory+0x11ee/0x14b0
__alloc_pages_slowpath.constprop.0+0x1982/0x1fd0
__alloc_pages+0x428/0x500
alloc_pages+0x19c/0x250
allocate_slab+0x20d/0x290
___slab_alloc+0x8f5/0x1080
__slab_alloc.constprop.0+0x4d/0x90
kmem_cache_alloc+0x2ed/0x3e0
getname_flags.part.0+0x50/0x4f0
getname_flags+0x9a/0xe0
vfs_fstatat+0x73/0xb0
__do_sys_newlstat+0x8e/0x110
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1e5bd04446
Code: fa 0c 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 8b 15 19 fa 0c 00 f7 d8 64 89 02
RSP: 002b:00007ffc3d8db4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 000055ece89a1980 RCX: 00007f1e5bd04446
RDX: 00007ffc3d8db510 RSI: 00007ffc3d8db510 RDI: 000055ece89a0980
RBP: 00007ffc3d8db5e0 R08: 0000000000000001 R09: 00007f1e5c104870
R10: 0000000000000002 R11: 0000000000000246 R12: 000055ece89a0980
R13: 00007f1e5c104873 R14: 000055ece89a098a R15: 00007f1e5c104874
Mem-Info:
active_anon:284 inactive_anon:38071 isolated_anon:16
active_file:805 inactive_file:674 isolated_file:37
unevictable:0 dirty:7 writeback:0
slab_reclaimable:8667 slab_unreclaimable:56569
mapped:71005 shmem:95 pagetables:987
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:3904 free_pcp:0 free_cma:0
Node 0 active_anon:1136kB inactive_anon:152284kB active_file:3220kB inactive_file:2696kB unevictable:0kB isolated(anon):64kB isolated(file):148kB mapped:284020kB dirty:28kB writeback:0kB shmem:380kB writeback_tmp:0kB kernel_stack:4352kB pagetables:3948kB sec_pagetables:0kB all_unreclaimable? no
Node 0 DMA free:6476kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:8kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1613 1613 1613
Node 0 DMA32 free:9140kB boost:12616kB min:17732kB low:19380kB high:21028kB reserved_highatomic:0KB active_anon:1136kB inactive_anon:152108kB active_file:2896kB inactive_file:3164kB unevictable:0kB writepending:320kB present:2080640kB managed:1656480kB mlocked:0kB bounce:0kB free_pcp:412kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (M) 2*16kB (UM) 1*32kB (M) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 6476kB
Node 0 DMA32: 643*4kB (UME) 189*8kB (UM) 82*16kB (ME) 19*32kB (UME) 9*64kB (M) 3*128kB (M) 2*256kB (M) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 9012kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
1388 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
106198 pages reserved
Unreclaimable slab info:
Name Used Total
pid_2 22KB 22KB
IEEE-802.15.4-MAC 31KB 31KB
fib6_nodes 24KB 24KB
ip6_dst_cache 15KB 15KB
RAWv6 92KB 92KB
UDPv6 64KB 64KB
TCPv6 62KB 62KB
scsi_sense_cache 8KB 8KB
virtio_scsi_cmd 16KB 16KB
bio-120 7KB 7KB
mqueue_inode_cache 60KB 60KB
nfs_commit_data 15KB 15KB
nfs_write_data 47KB 47KB
jbd2_inode 7KB 7KB
ext4_system_zone 7KB 7KB
ext4_io_end_vec 7KB 7KB
ext4_bio_post_read_ctx 15KB 15KB
pid_namespace 7KB 7KB
posix_timers_cache 7KB 7KB
rpc_buffers 31KB 31KB
rpc_tasks 3KB 3KB
UNIX-STREAM 168KB 288KB
UNIX 172KB 256KB
tcp_bind2_bucket 8KB 8KB
tcp_bind_bucket 8KB 8KB
ip_fib_trie 8KB 8KB
ip_fib_alias 11KB 11KB
ip_dst_cache 28KB 28KB
RAW 30KB 30KB
UDP 184KB 184KB
request_sock_TCP 15KB 15KB
TCP 60KB 60KB
hugetlbfs_inode_cache 31KB 31KB
bio-248 11KB 11KB
ep_head 8KB 8KB
eventpoll_pwq 19KB 19KB
eventpoll_epi 35KB 35KB
inotify_inode_mark 23KB 23KB
sgpool-128 59KB 59KB
sgpool-64 63KB 63KB
sgpool-32 63KB 63KB
sgpool-16 30KB 30KB
sgpool-8 41KB 41KB
request_queue 60KB 60KB
blkdev_ioc 8KB 8KB
bio-184 36KB 36KB
biovec-max 535KB 535KB
biovec-64 189KB 189KB
biovec-16 18KB 18KB
uid_cache 7KB 7KB
dmaengine-unmap-2 4KB 4KB
audit_buffer 7KB 7KB
skbuff_fclone_cache 30KB 60KB
skbuff_head_cache 94KB 161KB
file_lock_cache 43KB 63KB
file_lock_ctx 7KB 7KB
fsnotify_mark_connector 16KB 16KB
taskstats 15KB 15KB
proc_dir_entry 303KB 303KB
pde_opener 7KB 7KB
seq_file 56KB 56KB
sigqueue 27KB 43KB
shmem_inode_cache 1399KB 1399KB
kernfs_iattrs_cache 258KB 258KB
kernfs_node_cache 4668KB 4668KB
mnt_cache 157KB 157KB
filp 1796KB 2010KB
names_cache 15091KB 15091KB
net_namespace 55KB 55KB
hashtab_node 274KB 274KB
ebitmap_node 1149KB 1149KB
avtab_node 4976KB 4976KB
avc_node 31KB 31KB
lsm_inode_cache 3287KB 3296KB
lsm_file_cache 97KB 128KB
key_jar 31KB 31KB
uts_namespace 15KB 15KB
nsproxy 7KB 7KB
vm_area_struct 633KB 1069KB
mm_struct 194KB 283KB
fs_cache 44KB 44KB
files_cache 175KB 175KB
signal_cache 261KB 394KB
sighand_cache 330KB 330KB
task_struct 1049KB 1257KB
cred_jar 113KB 156KB
anon_vma_chain 154KB 224KB
anon_vma 227KB 227KB
pid 73KB 75KB
Acpi-Operand 76KB 142KB
Acpi-ParseExt 31KB 31KB
Acpi-Parse 31KB 47KB
Acpi-State 27KB 43KB
Acpi-Namespace 24KB 24KB
numa_policy 3KB 3KB
perf_event 31KB 31KB
trace_event_file 179KB 179KB
ftrace_event_field 312KB 312KB
pool_workqueue 32KB 32KB
maple_node 581KB 1392KB
task_group 16KB 16KB
vmap_area 35KB 35KB
page->ptl 124KB 161KB
kmemleak_scan_area 19KB 19KB
kmemleak_object 133509KB 145746KB
kmalloc-cg-8k 64KB 64KB
kmalloc-cg-4k 2056KB 2112KB
kmalloc-cg-2k 1344KB 1344KB
kmalloc-cg-1k 352KB 352KB
kmalloc-cg-512 272KB 272KB
kmalloc-cg-256 40KB 40KB
kmalloc-cg-192 32KB 32KB
kmalloc-cg-128 36KB 36KB
kmalloc-cg-96 16KB 16KB
kmalloc-cg-64 16KB 16KB
kmalloc-cg-32 37KB 56KB
kmalloc-cg-16 8KB 8KB
kmalloc-cg-8 11KB 11KB
kmalloc-8k 1440KB 1440KB
kmalloc-4k 6864KB 6920KB
kmalloc-2k 2700KB 3072KB
kmalloc-1k 1508KB 1728KB
kmalloc-512 1434KB 1728KB
kmalloc-256 944KB 944KB
kmalloc-192 475KB 476KB
kmalloc-128 245KB 316KB
kmalloc-96 244KB 244KB
kmalloc-64 964KB 1004KB
kmalloc-32 483KB 500KB
kmalloc-16 320KB 324KB
kmalloc-8 244KB 247KB
kmem_cache_node 47KB 47KB
kmem_cache 78KB 78KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/systemd-timesyncd.service,task=(imesyncd),pid=4026,uid=0
Out of memory (oom_kill_allocating_task): Killed process 4026 ((imesyncd)) total-vm:180072kB, anon-rss:11144kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:104kB oom_score_adj:0