,task_memcg=
/system.slice/systemd-udevd.service
,task=systemd-udevd,pid=6272,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: 6272, name: systemd-udevd
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by systemd-udevd/6272:
#0:
__sys_setsockopt+0x180/0x2a0 net/socket.c:2177
ffff888015b08f50
(
mapping.invalidate_lock
__do_sys_setsockopt net/socket.c:2188 [inline]
__se_sys_setsockopt net/socket.c:2185 [inline]
__x64_sys_setsockopt+0xba/0x150 net/socket.c:2185
){++++}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3126
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
#1:
entry_SYSCALL_64_after_hwframe+0x44/0xae
ffffffff852791e8
RIP: 0033:0x7f5d431a9b19
(
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:00007f5d4071f188 EFLAGS: 00000246
oom_lock
ORIG_RAX: 0000000000000036
){+.+.}-{3:3}
RAX: ffffffffffffffda RBX: 00007f5d432bcf60 RCX: 00007f5d431a9b19
, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline]
, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063
RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003
RBP: 00007f5d43203f6d R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000
#2:
R13: 00007ffd6cba6ebf R14: 00007f5d4071f300 R15: 0000000000022000
ffff88804175be20
(
Mem-Info:
&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:179 [inline]
&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: 6272 Comm: systemd-udevd Not tainted 5.16.0-rc8-next-20220105 #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
active_anon:8972 inactive_anon:34137 isolated_anon:0
active_file:112 inactive_file:123 isolated_file:20
unevictable:0 dirty:0 writeback:0
slab_reclaimable:6943 slab_unreclaimable:60715
mapped:69840 shmem:113 pagetables:1697 bounce:0
kernel_misc_reclaimable:0
free:3734 free_pcp:62 free_cma:0
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0x9e/0x1480 kernel/locking/mutex.c:733
Node 0 active_anon:35888kB inactive_anon:136548kB active_file:448kB inactive_file:492kB unevictable:0kB isolated(anon):0kB isolated(file):80kB mapped:279360kB dirty:0kB writeback:0kB shmem:452kB writeback_tmp:0kB kernel_stack:4736kB pagetables:6788kB all_unreclaimable? no
Node 0
DMA free:6512kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB 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
1617
1617
1617
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
Node 0
DMA32 free:8424kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:2048KB active_anon:35888kB inactive_anon:136380kB active_file:540kB inactive_file:544kB unevictable:0kB writepending:0kB present:2080640kB managed:1660840kB mlocked:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003
lowmem_reserve[]:
out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114
0
0
__alloc_pages_may_oom mm/page_alloc.c:4332 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063
0
0
Node 0
DMA:
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394
0*4kB
0*8kB
1*16kB
(U)
1*32kB
(U)
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
1*64kB
filemap_alloc_folio mm/filemap.c:989 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1992
(U)
0*128kB
filemap_fault+0x155a/0x2130 mm/filemap.c:3129
1*256kB
(U)
__do_fault+0x113/0x5a0 mm/memory.c:3846
0*512kB
do_read_fault mm/memory.c:4161 [inline]
do_fault mm/memory.c:4290 [inline]
handle_pte_fault mm/memory.c:4548 [inline]
__handle_mm_fault+0x1325/0x3570 mm/memory.c:4683
0*1024kB
1*2048kB
(M)
handle_mm_fault+0x2e6/0xa20 mm/memory.c:4781
1*4096kB
do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397
(M)
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540
= 6512kB
Node 0
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
DMA32:
RIP: 0033:0x7f3f3fc8c561
Code: Unable to access opcode bytes at RIP 0x7f3f3fc8c537.
694*4kB
RSP: 002b:00007ffcd64b1890 EFLAGS: 00010202
(UME)
RAX: 00000000ffffffea RBX: 0000000100000000 RCX: 0000000000000000
RDX: 0000000000000400 RSI: 00007ffcd64b18d0 RDI: 00007ffcd64b18d0
216*8kB
RBP: 00007f3f412b1d60 R08: 0000000000000000 R09: 0000000000000000
(UME) 77*16kB
R10: 00007f3f412de580 R11: 0000000000000000 R12: 00007f3f41311b80
R13: 00007f3f412d78c0 R14: 00007ffcd64b18d0 R15: 00007f3f412de580
(UME)
55*32kB
(UMEH)
=============================
21*64kB
[ BUG: Invalid wait context ]
5.16.0-rc8-next-20220105 #1 Tainted: G W
(UM)
-----------------------------
0*128kB
systemd-udevd/6272 is trying to lock:
ffff88804175c830
0*256kB
(
0*512kB
&tsk->futex_exit_mutex
0*1024kB
){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
){+.+.}-{3:3}, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
0*2048kB
other info that might help us debug this:
context-{4:4}
0*4096kB
3 locks held by systemd-udevd/6272:
= 8840kB
#0:
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
ffff888015b08f50
350 total pagecache pages
(mapping.invalidate_lock){++++}-{3:3}
0 pages in swap cache
, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3126
Swap cache stats: add 0, delete 0, find 0/0
#1:
Free swap = 0kB
ffffffff852791e8
Total swap = 0kB
(
524158 pages RAM
oom_lock
0 pages HighMem/MovableOnly
){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline]
){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063
105108 pages reserved
#2: ffff88804175be20 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
#2: ffff88804175be20 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:179 [inline]
#2: ffff88804175be20 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
CPU: 0 PID: 6272 Comm: systemd-udevd Tainted: G W 5.16.0-rc8-next-20220105 #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+0x1198/0x1460 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:989 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1992
filemap_fault+0x155a/0x2130 mm/filemap.c:3129
__do_fault+0x113/0x5a0 mm/memory.c:3846
do_read_fault mm/memory.c:4161 [inline]
do_fault mm/memory.c:4290 [inline]
handle_pte_fault mm/memory.c:4548 [inline]
__handle_mm_fault+0x1325/0x3570 mm/memory.c:4683
handle_mm_fault+0x2e6/0xa20 mm/memory.c:4781
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: 0033:0x7f3f3fc8c561
Code: Unable to access opcode bytes at RIP 0x7f3f3fc8c537.
RSP: 002b:00007ffcd64b1890 EFLAGS: 00010202
RAX: 00000000ffffffea RBX: 0000000100000000 RCX: 0000000000000000
RDX: 0000000000000400 RSI: 00007ffcd64b18d0 RDI: 00007ffcd64b18d0
RBP: 00007f3f412b1d60 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f3f412de580 R11: 0000000000000000 R12: 00007f3f41311b80
R13: 00007f3f412d78c0 R14: 00007ffcd64b18d0 R15: 00007f3f412de580
Out of memory (oom_kill_allocating_task): Killed process 6272 (systemd-udevd) total-vm:35752kB, anon-rss:10248kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:72kB oom_score_adj:0
oom_reaper: reaped process 6272 (systemd-udevd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
----------------
Code disassembly (best guess), 1 bytes skipped:
0: ff c3 inc %ebx
2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
9: 00 00 00
c: 0f 1f 40 00 nopl 0x0(%rax)
10: 48 89 f8 mov %rdi,%rax
13: 48 89 f7 mov %rsi,%rdi
16: 48 89 d6 mov %rdx,%rsi
19: 48 89 ca mov %rcx,%rdx
1c: 4d 89 c2 mov %r8,%r10
1f: 4d 89 c8 mov %r9,%r8
22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9
27: 0f 05 syscall
* 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
2f: 73 01 jae 0x32
31: c3 retq
32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx
39: f7 d8 neg %eax
3b: 64 89 01 mov %eax,%fs:(%rcx)
3e: 48 rex.W