kmem_cache_node 51KB 51KB
kmem_cache 82KB 82KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz4,mems_allowed=0,global_oom,task_memcg=/syz4,task=syz-executor.4,pid=4606,uid=0
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4606, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.4/4606:
#0: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline]
#0: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 4606 Comm: syz-executor.4 Not tainted 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
__might_resched.cold+0x222/0x26b kernel/sched/core.c:9583
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0x9e/0x1480 kernel/locking/mutex.c:733
futex_cleanup_begin kernel/futex/core.c:1058 [inline]
futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
__oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003
out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
alloc_slab_page mm/slub.c:1799 [inline]
allocate_slab mm/slub.c:1952 [inline]
new_slab+0x272/0x360 mm/slub.c:2004
___slab_alloc+0x849/0xc60 mm/slub.c:3018
__slab_alloc.constprop.0+0x45/0x80 mm/slub.c:3105
slab_alloc_node mm/slub.c:3196 [inline]
kmem_cache_alloc_node+0x370/0x490 mm/slub.c:3266
alloc_task_struct_node kernel/fork.c:171 [inline]
dup_task_struct kernel/fork.c:883 [inline]
copy_process+0x2f73/0x6cb0 kernel/fork.c:1998
kernel_clone+0xe7/0xa60 kernel/fork.c:2555
__do_sys_clone+0xc8/0x110 kernel/fork.c:2672
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7258475f41
Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007ffeb3e51508 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f7255987700 RCX: 00007f7258475f41
RDX: 00007f72559879d0 RSI: 00007f72559872f0 RDI: 00000000003d0f00
RBP: 00007ffeb3e51740 R08: 00007f7255987700 R09: 00007f7255987700
R10: 00007f72559879d0 R11: 0000000000000206 R12: 00007ffeb3e515be
R13: 00007ffeb3e515bf R14: 00007f7255987300 R15: 0000000000022000
=============================
[ BUG: Invalid wait context ]
5.16.0-next-20220118 #1 Tainted: G W
-----------------------------
syz-executor.4/4606 is trying to lock:
ffff88805bdb2d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
ffff88805bdb2d70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
other info that might help us debug this:
context-{4:4}
2 locks held by syz-executor.4/4606:
#0: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline]
#0: ffffffff85278aa8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline]
#1: ffff88805bdb2360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 0 PID: 4606 Comm: syz-executor.4 Tainted: G W 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline]
check_wait_context kernel/locking/lockdep.c:4739 [inline]
__lock_acquire.cold+0xc8/0x3b4 kernel/locking/lockdep.c:4977
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
__mutex_lock_common kernel/locking/mutex.c:600 [inline]
__mutex_lock+0x136/0x1480 kernel/locking/mutex.c:733
futex_cleanup_begin kernel/futex/core.c:1058 [inline]
futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
__oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003
out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
alloc_slab_page mm/slub.c:1799 [inline]
allocate_slab mm/slub.c:1952 [inline]
new_slab+0x272/0x360 mm/slub.c:2004
___slab_alloc+0x849/0xc60 mm/slub.c:3018
__slab_alloc.constprop.0+0x45/0x80 mm/slub.c:3105
slab_alloc_node mm/slub.c:3196 [inline]
kmem_cache_alloc_node+0x370/0x490 mm/slub.c:3266
alloc_task_struct_node kernel/fork.c:171 [inline]
dup_task_struct kernel/fork.c:883 [inline]
copy_process+0x2f73/0x6cb0 kernel/fork.c:1998
kernel_clone+0xe7/0xa60 kernel/fork.c:2555
__do_sys_clone+0xc8/0x110 kernel/fork.c:2672
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7258475f41
Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00
RSP: 002b:00007ffeb3e51508 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f7255987700 RCX: 00007f7258475f41
RDX: 00007f72559879d0 RSI: 00007f72559872f0 RDI: 00000000003d0f00
RBP: 00007ffeb3e51740 R08: 00007f7255987700 R09: 00007f7255987700
R10: 00007f72559879d0 R11: 0000000000000206 R12: 00007ffeb3e515be
R13: 00007ffeb3e515bf R14: 00007f7255987300 R15: 0000000000022000
Out of memory (oom_kill_allocating_task): Killed process 4606 (syz-executor.4) total-vm:93808kB, anon-rss:432kB, file-rss:35080kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000
oom_reaper: reaped process 4606 (syz-executor.4), now anon-rss:0kB, file-rss:34408kB, shmem-rss:0kB
EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups)
EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups)
EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups)
EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups)
EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups)
syz-executor.5 invoked oom-killer: gfp_mask=0x1141cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_WRITE), order=0, oom_score_adj=1000
CPU: 0 PID: 4626 Comm: syz-executor.5 Tainted: G W 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
dump_header+0x106/0x60f mm/oom_kill.c:464
oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994
out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
filemap_alloc_folio mm/filemap.c:987 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990
pagecache_get_page+0x2e/0x220 mm/folio-compat.c:125
ext4_da_write_begin+0x383/0xa30 fs/ext4/inode.c:2941
generic_perform_write+0x208/0x510 mm/filemap.c:3765
ext4_buffered_write_iter+0x1a2/0x390 fs/ext4/file.c:268
ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
call_write_iter include/linux/fs.h:2074 [inline]
new_sync_write+0x437/0x660 fs/read_write.c:503
vfs_write+0x7d1/0xae0 fs/read_write.c:590
ksys_write+0x12d/0x250 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff598b7bb19
Code: Unable to access opcode bytes at RIP 0x7ff598b7baef.
RSP: 002b:00007ff5960f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff598c8ef60 RCX: 00007ff598b7bb19
RDX: 0000000020000081 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007ff598bd5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd997842f R14: 00007ff5960f1300 R15: 0000000000022000
Mem-Info:
active_anon:2666 inactive_anon:43258 isolated_anon:0
active_file:23 inactive_file:22 isolated_file:0
unevictable:0 dirty:1 writeback:0
slab_reclaimable:6970 slab_unreclaimable:59909
mapped:69634 shmem:113 pagetables:995 bounce:0
kernel_misc_reclaimable:0
free:3308 free_pcp:100 free_cma:0
Node 0 active_anon:10664kB inactive_anon:173032kB active_file:92kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:4kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4352kB pagetables:3980kB all_unreclaimable? yes
Node 0 DMA free:6492kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:44kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1617 1617 1617
Node 0 DMA32 free:6740kB boost:8192kB min:13312kB low:14968kB high:16624kB reserved_highatomic:4096KB active_anon:10664kB inactive_anon:172988kB active_file:88kB inactive_file:100kB unevictable:0kB writepending:0kB present:2080640kB managed:1660804kB mlocked:0kB bounce:0kB free_pcp:400kB local_pcp:240kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 3*8kB (ME) 2*16kB (UE) 1*32kB (E) 2*64kB (ME) 3*128kB (UME) 3*256kB (UME) 2*512kB (ME) 2*1024kB (ME) 1*2048kB (E) 0*4096kB = 6492kB
Node 0 DMA32: 575*4kB (UMH) 175*8kB (UMEH) 66*16kB (UMEH) 6*32kB (MH) 2*64kB (H) 3*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 6740kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
162 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
105117 pages reserved
Unreclaimable slab info:
Name Used Total
pid_4 7KB 7KB
pid_3 7KB 7KB
pid_2 37KB 37KB
IEEE-802.15.4-MAC 63KB 63KB
IEEE-802.15.4-RAW 63KB 63KB
fib6_nodes 28KB 28KB
ip6_dst_cache 45KB 45KB
PINGv6 31KB 31KB
RAWv6 157KB 157KB
UDPLITEv6 31KB 31KB
UDPv6 62KB 62KB
TCPv6 62KB 62KB
scsi_sense_cache 8KB 8KB
sd_ext_cdb 3KB 3KB
virtio_scsi_cmd 16KB 16KB
bio-96 7KB 7KB
sgpool-128 178KB 178KB
sgpool-64 63KB 63KB
sgpool-32 128KB 189KB
sgpool-16 75KB 75KB
sgpool-8 71KB 71KB
bio-224 3KB 3KB
mqueue_inode_cache 60KB 60KB
nfs_commit_data 15KB 15KB
nfs_write_data 47KB 47KB
jbd2_inode 7KB 7KB
ext4_system_zone 3KB 3KB
ext4_io_end_vec 7KB 7KB
ext4_bio_post_read_ctx 15KB 15KB
io_kiocb 7KB 7KB
kioctx 15KB 15KB
dio 15KB 15KB
pid_namespace 7KB 7KB
rpc_buffers 31KB 31KB
rpc_tasks 3KB 3KB
UNIX-STREAM 199KB 372KB
UNIX 201KB 279KB
tcp_bind_bucket 8KB 8KB
ip_fib_trie 8KB 8KB
ip_fib_alias 11KB 11KB
ip_dst_cache 8KB 8KB
PING 62KB 62KB
RAW 93KB 93KB
UDP 141KB 220KB
request_sock_TCP 7KB 7KB
TCP 58KB 58KB
hugetlbfs_inode_cache 31KB 31KB
bio-216 11KB 11KB
ep_head 8KB 8KB
eventpoll_pwq 23KB 23KB
eventpoll_epi 35KB 35KB
inotify_inode_mark 35KB 35KB
request_queue 62KB 62KB
blkdev_ioc 8KB 8KB
bio-160 32KB 32KB
biovec-max 488KB 488KB
biovec-64 236KB 299KB
biovec-16 48KB 48KB
user_namespace 15KB 15KB
uid_cache 7KB 7KB
dmaengine-unmap-2 4KB 4KB
audit_buffer 7KB 7KB
skbuff_fclone_cache 127KB 127KB
skbuff_head_cache 937KB 937KB
file_lock_cache 43KB 43KB
file_lock_ctx 7KB 7KB
fsnotify_mark_connector 24KB 24KB
net_namespace 93KB 93KB
taskstats 22KB 22KB
proc_dir_entry 356KB 371KB
pde_opener 11KB 27KB
seq_file 75KB 78KB
sigqueue 15KB 35KB
shmem_inode_cache 1341KB 1400KB
kernfs_iattrs_cache 223KB 223KB
kernfs_node_cache 5207KB 5222KB
mnt_cache 181KB 181KB
filp 2242KB 2283KB
names_cache 17416KB 17884KB
hashtab_node 274KB 274KB
ebitmap_node 1149KB 1149KB
avtab_node 4976KB 4976KB
avc_node 35KB 35KB
lsm_inode_cache 2659KB 2937KB
lsm_file_cache 117KB 148KB
key_jar 31KB 31KB
uts_namespace 15KB 15KB
nsproxy 7KB 7KB
vm_area_struct 965KB 1036KB
mm_struct 260KB 409KB
fs_cache 45KB 60KB
files_cache 196KB 270KB
signal_cache 325KB 516KB
sighand_cache 330KB 330KB
task_struct 1270KB 1317KB
cred_jar 149KB 220KB
anon_vma_chain 207KB 228KB
anon_vma 189KB 200KB
pid 63KB 93KB
Acpi-Operand 87KB 142KB
Acpi-ParseExt 31KB 31KB
Acpi-Parse 43KB 59KB
Acpi-State 35KB 51KB
Acpi-Namespace 28KB 28KB
numa_policy 3KB 3KB
perf_event 31KB 31KB
trace_event_file 175KB 175KB
ftrace_event_field 296KB 296KB
pool_workqueue 40KB 40KB
task_group 16KB 16KB
vmap_area 47KB 51KB
page->ptl 161KB 161KB
kmemleak_scan_area 19KB 19KB
kmemleak_object 134513KB 142117KB
kmalloc-cg-8k 64KB 64KB
kmalloc-cg-4k 704KB 928KB
kmalloc-cg-2k 688KB 704KB
kmalloc-cg-1k 228KB 256KB
kmalloc-cg-512 209KB 240KB
kmalloc-cg-256 16KB 16KB
kmalloc-cg-192 28KB 28KB
kmalloc-cg-128 12KB 12KB
kmalloc-cg-96 20KB 20KB
kmalloc-cg-64 16KB 16KB
kmalloc-cg-32 49KB 76KB
kmalloc-cg-16 12KB 12KB
kmalloc-cg-8 15KB 15KB
kmalloc-8k 4864KB 4896KB
kmalloc-4k 6032KB 7264KB
kmalloc-2k 3832KB 4256KB
kmalloc-1k 6916KB 6916KB
kmalloc-512 4384KB 4384KB
kmalloc-256 1025KB 1136KB
kmalloc-192 338KB 436KB
kmalloc-128 388KB 572KB
kmalloc-96 439KB 472KB
kmalloc-64 1232KB 1232KB
kmalloc-32 684KB 736KB
kmalloc-16 315KB 324KB
kmalloc-8 259KB 262KB
kmem_cache_node 51KB 51KB
kmem_cache 82KB 82KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz5,mems_allowed=0,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=4626,uid=0
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4626, name: syz-executor.5
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
INFO: lockdep is turned off.
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 4626 Comm: syz-executor.5 Tainted: G W 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
__might_resched.cold+0x222/0x26b kernel/sched/core.c:9583
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0x9e/0x1480 kernel/locking/mutex.c:733
futex_cleanup_begin kernel/futex/core.c:1058 [inline]
futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
__oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003
out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
filemap_alloc_folio mm/filemap.c:987 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990
pagecache_get_page+0x2e/0x220 mm/folio-compat.c:125
ext4_da_write_begin+0x383/0xa30 fs/ext4/inode.c:2941
generic_perform_write+0x208/0x510 mm/filemap.c:3765
ext4_buffered_write_iter+0x1a2/0x390 fs/ext4/file.c:268
ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
call_write_iter include/linux/fs.h:2074 [inline]
new_sync_write+0x437/0x660 fs/read_write.c:503
vfs_write+0x7d1/0xae0 fs/read_write.c:590
ksys_write+0x12d/0x250 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff598b7bb19
Code: Unable to access opcode bytes at RIP 0x7ff598b7baef.
RSP: 002b:00007ff5960f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff598c8ef60 RCX: 00007ff598b7bb19
RDX: 0000000020000081 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007ff598bd5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd997842f R14: 00007ff5960f1300 R15: 0000000000022000
Out of memory (oom_kill_allocating_task): Killed process 4625 (syz-executor.5) total-vm:93676kB, anon-rss:400kB, file-rss:33960kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000
oom_reaper: reaped process 4625 (syz-executor.5), now anon-rss:0kB, file-rss:33956kB, shmem-rss:0kB
syz-executor.5 invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=1000
CPU: 0 PID: 4625 Comm: syz-executor.5 Tainted: G W 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
dump_header+0x106/0x60f mm/oom_kill.c:464
oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994
out_of_memory+0x11e7/0x14b0 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
filemap_alloc_folio mm/filemap.c:987 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1990
filemap_fault+0x155a/0x2130 mm/filemap.c:3127
__do_fault+0x113/0x5a0 mm/memory.c:3868
do_read_fault mm/memory.c:4183 [inline]
do_fault mm/memory.c:4312 [inline]
handle_pte_fault mm/memory.c:4570 [inline]
__handle_mm_fault+0x1325/0x3570 mm/memory.c:4705
handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803
do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7ff598b28069
Code: Unable to access opcode bytes at RIP 0x7ff598b2803f.
RSP: 002b:00007ffdd99784b0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000044b73 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffdd998d080
R10: 0000000000000000 R11: 0000000000000000 R12: 00007ff598c8ef60
R13: 00007ff598c8fb60 R14: 00007ff598c8ef60 R15: 0000000000043f10
Mem-Info:
active_anon:2666 inactive_anon:43237 isolated_anon:0
active_file:23 inactive_file:37 isolated_file:0
unevictable:0 dirty:1 writeback:0
slab_reclaimable:6970 slab_unreclaimable:59856
mapped:69634 shmem:113 pagetables:995 bounce:0
kernel_misc_reclaimable:0
free:3350 free_pcp:132 free_cma:0
Node 0 active_anon:10664kB inactive_anon:172948kB active_file:92kB inactive_file:148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:4kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4352kB pagetables:3980kB all_unreclaimable? no
Node 0 DMA free:6492kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:44kB active_file:4kB inactive_file:8kB unevictable:0kB writepending:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1617 1617 1617
Node 0 DMA32 free:7396kB boost:8192kB min:13312kB low:14968kB high:16624kB reserved_highatomic:2048KB active_anon:10664kB inactive_anon:172904kB active_file:88kB inactive_file:0kB unevictable:0kB writepending:0kB present:2080640kB managed:1660804kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 2*4kB (UM) 3*8kB (ME) 2*16kB (UE) 1*32kB (E) 2*64kB (ME) 3*128kB (UME) 3*256kB (UME) 2*512kB (ME) 2*1024kB (ME) 1*2048kB (E) 0*4096kB = 6496kB
Node 0 DMA32: 536*4kB (MH) 181*8kB (UME) 70*16kB (UME) 21*32kB (UM) 3*64kB (UM) 3*128kB (M) 1*256kB (M) 0*512kB 1*1024kB (M) 0*2048kB 0*4096kB = 7240kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
162 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
105117 pages reserved
Unreclaimable slab info:
Name Used Total
pid_4 7KB 7KB
pid_3 7KB 7KB
pid_2 37KB 37KB
IEEE-802.15.4-MAC 63KB 63KB
IEEE-802.15.4-RAW 63KB 63KB
fib6_nodes 28KB 28KB
ip6_dst_cache 45KB 45KB
PINGv6 31KB 31KB
RAWv6 157KB 157KB
UDPLITEv6 31KB 31KB
UDPv6 62KB 62KB
TCPv6 62KB 62KB
scsi_sense_cache 8KB 8KB
sd_ext_cdb 3KB 3KB
virtio_scsi_cmd 16KB 16KB
bio-96 7KB 7KB
sgpool-128 178KB 178KB
sgpool-64 63KB 63KB
sgpool-32 128KB 189KB
sgpool-16 75KB 75KB
sgpool-8 46KB 56KB
bio-224 3KB 3KB
mqueue_inode_cache 60KB 60KB
nfs_commit_data 15KB 15KB
nfs_write_data 47KB 47KB
jbd2_inode 7KB 7KB
ext4_system_zone 3KB 3KB
ext4_io_end_vec 7KB 7KB
ext4_bio_post_read_ctx 15KB 15KB
io_kiocb 7KB 7KB
kioctx 15KB 15KB
dio 15KB 15KB
pid_namespace 7KB 7KB
rpc_buffers 31KB 31KB
rpc_tasks 3KB 3KB
UNIX-STREAM 199KB 372KB
UNIX 201KB 279KB
tcp_bind_bucket 8KB 8KB
ip_fib_trie 8KB 8KB
ip_fib_alias 11KB 11KB
ip_dst_cache 8KB 8KB
PING 62KB 62KB
RAW 93KB 93KB
UDP 141KB 220KB
request_sock_TCP 7KB 7KB
TCP 58KB 58KB
hugetlbfs_inode_cache 31KB 31KB
bio-216 11KB 11KB
ep_head 8KB 8KB
eventpoll_pwq 23KB 23KB
eventpoll_epi 35KB 35KB
inotify_inode_mark 35KB 35KB
request_queue 62KB 62KB
blkdev_ioc 8KB 8KB
bio-160 32KB 32KB
biovec-max 488KB 488KB
biovec-64 186KB 267KB
biovec-16 48KB 48KB
user_namespace 15KB 15KB
uid_cache 7KB 7KB
dmaengine-unmap-2 4KB 4KB
audit_buffer 7KB 7KB
skbuff_fclone_cache 127KB 127KB
skbuff_head_cache 948KB 948KB
file_lock_cache 43KB 43KB
file_lock_ctx 7KB 7KB
fsnotify_mark_connector 24KB 24KB
net_namespace 93KB 93KB
taskstats 22KB 22KB
proc_dir_entry 356KB 371KB
pde_opener 11KB 27KB
seq_file 75KB 78KB
sigqueue 15KB 35KB
shmem_inode_cache 1341KB 1400KB
kernfs_iattrs_cache 223KB 223KB
kernfs_node_cache 5207KB 5222KB
mnt_cache 181KB 181KB
filp 2216KB 2283KB
names_cache 17182KB 17675KB
hashtab_node 274KB 274KB
ebitmap_node 1149KB 1149KB
avtab_node 4976KB 4976KB
avc_node 35KB 35KB
lsm_inode_cache 2659KB 2937KB
lsm_file_cache 117KB 148KB
key_jar 31KB 31KB
uts_namespace 15KB 15KB
nsproxy 7KB 7KB
vm_area_struct 953KB 1036KB
mm_struct 260KB 409KB
fs_cache 45KB 60KB
files_cache 196KB 270KB
signal_cache 325KB 516KB
sighand_cache 330KB 330KB
task_struct 1270KB 1317KB
cred_jar 149KB 220KB
anon_vma_chain 205KB 228KB
anon_vma 189KB 200KB
pid 63KB 93KB
Acpi-Operand 87KB 142KB
Acpi-ParseExt 31KB 31KB
Acpi-Parse 43KB 59KB
Acpi-State 35KB 51KB
Acpi-Namespace 28KB 28KB
numa_policy 3KB 3KB
perf_event 31KB 31KB
trace_event_file 175KB 175KB
ftrace_event_field 296KB 296KB
pool_workqueue 40KB 40KB
task_group 16KB 16KB
vmap_area 47KB 51KB
page->ptl 161KB 161KB
kmemleak_scan_area 19KB 19KB
kmemleak_object 134182KB 142117KB
kmalloc-cg-8k 64KB 64KB
kmalloc-cg-4k 704KB 928KB
kmalloc-cg-2k 684KB 704KB
kmalloc-cg-1k 228KB 256KB
kmalloc-cg-512 209KB 240KB
kmalloc-cg-256 16KB 16KB
kmalloc-cg-192 28KB 28KB
kmalloc-cg-128 12KB 12KB
kmalloc-cg-96 20KB 20KB
kmalloc-cg-64 16KB 16KB
kmalloc-cg-32 48KB 76KB
kmalloc-cg-16 12KB 12KB
kmalloc-cg-8 15KB 15KB
kmalloc-8k 4864KB 4896KB
kmalloc-4k 5984KB 7264KB
kmalloc-2k 3828KB 4256KB
kmalloc-1k 6916KB 6916KB
kmalloc-512 4384KB 4384KB
kmalloc-256 1025KB 1136KB
kmalloc-192 338KB 436KB
kmalloc-128 387KB 572KB
kmalloc-96 437KB 468KB
kmalloc-64 1232KB 1232KB
kmalloc-32 683KB 736KB
kmalloc-16 315KB 324KB
kmalloc-8 259KB 262KB
kmem_cache_node 51KB 51KB
kmem_cache 82KB 82KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz5,mems_allowed=0,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=4625,uid=0
Out of memory (oom_kill_allocating_task): Killed process 4625 (syz-executor.5) total-vm:93676kB, anon-rss:0kB, file-rss:33956kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000
systemd-udevd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-1000
CPU: 1 PID: 125 Comm: systemd-udevd Tainted: G W 5.16.0-next-20220118 #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 lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
dump_header+0x106/0x60f mm/oom_kill.c:464
oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994
out_of_memory+0x358/0x14b0 mm/oom_kill.c:1132
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
alloc_pages_vma+0xde/0x500 mm/mempolicy.c:2232
wp_page_copy+0x1b7/0x2720 mm/memory.c:3012
do_wp_page+0x285/0x1d50 mm/memory.c:3322
handle_pte_fault mm/memory.c:4588 [inline]
__handle_mm_fault+0x1183/0x3570 mm/memory.c:4705
handle_mm_fault+0x2e6/0xa20 mm/memory.c:4803