kmemleak: 31 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor:10989]
Modules linked in:
irq event stamp: 20688340
hardirqs last  enabled at (20688339): [<ffffffff83e00c42>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
hardirqs last disabled at (20688340): [<ffffffff83dd22eb>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095
softirqs last  enabled at (15929486): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (15928949): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
CPU: 0 PID: 10989 Comm: syz-executor Not tainted 5.10.109 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191
Code: 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 7a eb 47 fd 48 89 ef e8 62 a2 48 fd f6 c7 02 75 0c 53 9d <65> ff 0d c4 b2 23 7c 5b 5d c3 e8 9c 32 67 fd eb ed 66 2e 0f 1f 84
RSP: 0018:ffff88804caffd00 EFLAGS: 00000287
RAX: 00000000013babd3 RBX: 0000000000000287 RCX: 1ffffffff0cae9fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83debc84
RBP: ffff8880176c4000 R08: 0000000000000001 R09: ffffffff865556b7
R10: fffffbfff0caaad6 R11: 0000000000000001 R12: 1ffff1100995ffa5
R13: ffff88804caffed0 R14: dffffc0000000000 R15: 0000000000000001
FS:  00005555555d7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b93617000 CR3: 000000004c0b2000 CR4: 0000000000350ef0
Call Trace:
 kmemleak_clear mm/kmemleak.c:1745 [inline]
 kmemleak_write+0x2d1/0x660 mm/kmemleak.c:1788
 full_proxy_write+0x11d/0x190 fs/debugfs/file.c:236
 vfs_write+0x29a/0xa20 fs/read_write.c:603
 ksys_write+0x12d/0x250 fs/read_write.c:658
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5b930b15c3
Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
RSP: 002b:00007ffd4684f838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffd4684fe78 RCX: 00007f5b930b15c3
RDX: 0000000000000005 RSI: 00007f5b93161c87 RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007ffd468b2090
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5b93616e0d R14: 00007f5b93616e0d R15: 00007f5b93616e0d
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x10 arch/x86/kernel/process.c:689
----------------
Code disassembly (best guess):
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 00                	add    %al,(%rax)
   5:	55                   	push   %rbp
   6:	48 89 fd             	mov    %rdi,%rbp
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	53                   	push   %rbx
   e:	48 89 f3             	mov    %rsi,%rbx
  11:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  16:	e8 7a eb 47 fd       	callq  0xfd47eb95
  1b:	48 89 ef             	mov    %rbp,%rdi
  1e:	e8 62 a2 48 fd       	callq  0xfd48a285
  23:	f6 c7 02             	test   $0x2,%bh
  26:	75 0c                	jne    0x34
  28:	53                   	push   %rbx
  29:	9d                   	popfq
* 2a:	65 ff 0d c4 b2 23 7c 	decl   %gs:0x7c23b2c4(%rip)        # 0x7c23b2f5 <-- trapping instruction
  31:	5b                   	pop    %rbx
  32:	5d                   	pop    %rbp
  33:	c3                   	retq
  34:	e8 9c 32 67 fd       	callq  0xfd6732d5
  39:	eb ed                	jmp    0x28
  3b:	66                   	data16
  3c:	2e                   	cs
  3d:	0f                   	.byte 0xf
  3e:	1f                   	(bad)
  3f:	84                   	.byte 0x84