kmem_cache_node 51KB 51KB
kmem_cache 82KB 82KB
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/rsyslog.service,task=in:imklog,pid=188,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: 188, name: in:imklog
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by in:imklog/188:
#0: ffff88800f08c060 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
#0: ffff88800f08c060 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3137
#1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4279 [inline]
#1: ffffffff852791a8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5061
#2: ffff8880172408a0 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline]
#2: ffff8880172408a0 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:179 [inline]
#2: ffff8880172408a0 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 188 Comm: in:imklog Not tainted 5.16.0-rc6-next-20211224 #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+0x1198/0x1460 mm/oom_kill.c:1114
__alloc_pages_may_oom mm/page_alloc.c:4330 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5061
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
filemap_alloc_folio mm/filemap.c:1000 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:2003
filemap_fault+0x155a/0x2130 mm/filemap.c:3140
__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
syz-executor.5: page allocation failure: order:0, mode:0xcc0(GFP_KERNEL), nodemask=(null)
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: 0033:0x7fb22c83008c
,cpuset=
Code: Unable to access opcode bytes at RIP 0x7fb22c830062.
RSP: 002b:00007fb22bdcc4d0 EFLAGS: 00010246
syz5
RAX: 0000000000000076 RBX: 0000000000000000 RCX: 00007fb22c83008c
RDX: 0000000000001fa0 RSI: 00007fb22bdccd00 RDI: 0000000000000005
RBP: 00007fb22d7354c0 R08: 0000000000000000 R09: 00007fb22d731e88
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb22bdccd00
,mems_allowed=0
R13: 0000000000001fa0 R14: 00007fb22bdccd00 R15: 00007fb22bdccd8b
CPU: 0 PID: 5453 Comm: syz-executor.5 Tainted: G W 5.16.0-rc6-next-20211224 #1
=============================
[ BUG: Invalid wait context ]
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
5.16.0-rc6-next-20211224 #1 Tainted: G W
Call Trace:
-----------------------------
in:imklog/188 is trying to lock:
ffff8880172412b0
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
(&tsk->futex_exit_mutex
warn_alloc.cold+0x87/0x18d mm/page_alloc.c:4236
){+.+.}-{3:3}
, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline]
, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
other info that might help us debug this:
context-{4:4}
3 locks held by in:imklog/188:
#0: ffff88800f08c060
(mapping.invalidate_lock
){++++}-{3:3}
__alloc_pages_slowpath.constprop.0+0x1a21/0x1f10 mm/page_alloc.c:5123
, at: filemap_invalidate_lock_shared include/linux/fs.h:832 [inline]
, at: filemap_fault+0x151a/0x2130 mm/filemap.c:3137
#1: ffffffff852791a8
(oom_lock
){+.+.}-{3:3}
, at: __alloc_pages_may_oom mm/page_alloc.c:4279 [inline]
, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5061
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392
#2: ffff8880172408a0
(&p->alloc_lock
){+.+.}-{2:2}
, at: spin_lock include/linux/spinlock.h:354 [inline]
, at: task_lock include/linux/sched/task.h:179 [inline]
, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144
stack backtrace:
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
relay_alloc_buf kernel/relay.c:124 [inline]
relay_create_buf kernel/relay.c:165 [inline]
relay_open_buf.part.0+0x2a4/0xc00 kernel/relay.c:387
relay_open_buf kernel/relay.c:384 [inline]
relay_open kernel/relay.c:520 [inline]
relay_open+0x4ec/0x970 kernel/relay.c:477
do_blk_trace_setup+0x4c3/0xc80 kernel/trace/blktrace.c:549
__blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:589
blk_trace_setup+0x43/0x60 kernel/trace/blktrace.c:607
sg_ioctl_common drivers/scsi/sg.c:1123 [inline]
sg_ioctl+0x6b1/0x2830 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x196/0x210 fs/ioctl.c:860
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: 0033:0x7fe6059f6b19
Code: Unable to access opcode bytes at RIP 0x7fe6059f6aef.
RSP: 002b:00007fe602f6c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe605b09f60 RCX: 00007fe6059f6b19
RDX: 0000000020000000 RSI: 00000000c0481273 RDI: 0000000000000003
RBP: 00007fe605a50f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2903bc9f R14: 00007fe602f6c300 R15: 0000000000022000
CPU: 1 PID: 188 Comm: in:imklog Tainted: G W 5.16.0-rc6-next-20211224 #1
Mem-Info:
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
active_anon:1634 inactive_anon:43723 isolated_anon:0
active_file:10 inactive_file:3 isolated_file:0
unevictable:0 dirty:0 writeback:0
slab_reclaimable:8603 slab_unreclaimable:59394
mapped:69651 shmem:125 pagetables:1203 bounce:0
kernel_misc_reclaimable:0
free:2763 free_pcp:124 free_cma:0
Node 0 active_anon:6536kB inactive_anon:174892kB active_file:40kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278604kB dirty:0kB writeback:0kB shmem:500kB writeback_tmp:0kB kernel_stack:4288kB pagetables:4812kB all_unreclaimable? yes
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
Node 0
DMA free:6488kB 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
__mutex_lock_common kernel/locking/mutex.c:600 [inline]
__mutex_lock+0x136/0x1480 kernel/locking/mutex.c:733
1617
1617
1617
Node 0
DMA32 free:4564kB boost:6144kB min:11264kB low:12920kB high:14576kB reserved_highatomic:2048KB active_anon:6536kB inactive_anon:174976kB active_file:276kB inactive_file:0kB unevictable:0kB writepending:0kB present:2080640kB managed:1660836kB mlocked:0kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB
lowmem_reserve[]:
futex_cleanup_begin kernel/futex/core.c:1058 [inline]
futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110
0
__oom_kill_process+0x373/0xf90 mm/oom_kill.c:893
0
0
oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003
0
out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114
Node 0
__alloc_pages_may_oom mm/page_alloc.c:4330 [inline]
__alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5061
DMA:
0*4kB
1*8kB
__alloc_pages+0x403/0x4e0 mm/page_alloc.c:5392
(U)
1*16kB
(U)
0*32kB
1*64kB
(U)
alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271
0*128kB
filemap_alloc_folio mm/filemap.c:1000 [inline]
__filemap_get_folio+0x65c/0xfd0 mm/filemap.c:2003
1*256kB
(U)
filemap_fault+0x155a/0x2130 mm/filemap.c:3140
0*512kB
0*1024kB
1*2048kB
__do_fault+0x113/0x5a0 mm/memory.c:3846
(M)
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
1*4096kB
(M)
handle_mm_fault+0x2e6/0xa20 mm/memory.c:4781
= 6488kB
do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397
Node 0
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540
DMA32:
499*4kB
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
(UME)
RIP: 0033:0x7fb22c83008c
183*8kB
Code: Unable to access opcode bytes at RIP 0x7fb22c830062.
RSP: 002b:00007fb22bdcc4d0 EFLAGS: 00010246
(UM)
RAX: 0000000000000076 RBX: 0000000000000000 RCX: 00007fb22c83008c
RDX: 0000000000001fa0 RSI: 00007fb22bdccd00 RDI: 0000000000000005
63*16kB
RBP: 00007fb22d7354c0 R08: 0000000000000000 R09: 00007fb22d731e88
(UM)
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb22bdccd00
3*32kB
R13: 0000000000001fa0 R14: 00007fb22bdccd00 R15: 00007fb22bdccd8b
(UM)
Out of memory (oom_kill_allocating_task): Killed process 185 (rsyslogd) total-vm:220876kB, anon-rss:476kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:60kB oom_score_adj:0
0*64kB
oom_reaper: reaped process 185 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4564kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
160 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
105109 pages reserved
FAT-fs (loop7): bogus number of reserved sectors
FAT-fs (loop7): Can't find a valid FAT filesystem
netlink: 'syz-executor.4': attribute type 2 has an invalid length.
netlink: 'syz-executor.4': attribute type 2 has an invalid length.
loop1: detected capacity change from 0 to 592
FAT-fs (loop1): invalid media value (0x00)
FAT-fs (loop1): Can't find a valid FAT filesystem