loop7: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 128
isofs_fill_super: bread failed, dev=loop7, iso_blknum=32, block=64
isofs_fill_super: bread failed, dev=loop6, iso_blknum=32, block=64
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 26322 jiffies s: 14493 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9309 Comm: syz-executor Tainted: G    B              6.0.0-rc4-next-20220908 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:kasan_report+0x25/0x1c0
Code: 02 0f 1f 40 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 68 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 c0 6e 02 00 41 8b 87 f8 13 00 00 <85> c0 0f 85 34 01 00 00 e8 1e fe ff ff 41 89 c5 84 c0 0f 84 24 01
RSP: 0018:ffff88804593f958 EFLAGS: 00000092
RAX: 0000000000000000 RBX: 000000000e7f6360 RCX: ffffffff8425cbbd
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888017709cb0
RBP: ffff888017709cb0 R08: 0000000000000000 R09: ffff888017709cb3
R10: ffffed1002ee1396 R11: 0000000000000001 R12: 0000000000000003
R13: ffffed1002ee1396 R14: 0000000000000001 R15: ffff88804449b580
FS:  00005555560e3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a8037f344 CR3: 0000000045902000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queued_spin_lock_slowpath+0xadd/0xc80
 do_raw_spin_lock+0x1dc/0x260
 kmemleak_scan+0x21d/0x16f0
 kmemleak_write+0x570/0x680
 full_proxy_write+0x11d/0x190
 vfs_write+0x2cb/0xd90
 ksys_write+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f461f3e45c3
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:00007ffc6b40f848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffc6b40fe88 RCX: 00007f461f3e45c3
RDX: 0000000000000004 RSI: 00007f461f49aed9 RDI: 0000000000000003
RBP: 0000000000000002 R08: 00000000000005c0 R09: 00007ffc6b48f080
R10: 00007ffc6b48f090 R11: 0000000000000246 R12: 00000000fffffff6
R13: 00007ffc6b410ef1 R14: 0000000000000000 R15: 0000000000167915
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	0f 1f 40 00          	nopl   0x0(%rax)
   4:	41 57                	push   %r15
   6:	41 56                	push   %r14
   8:	41 55                	push   %r13
   a:	41 54                	push   %r12
   c:	55                   	push   %rbp
   d:	53                   	push   %rbx
   e:	48 83 ec 68          	sub    $0x68,%rsp
  12:	9c                   	pushfq
  13:	8f 04 24             	popq   (%rsp)
  16:	0f 01 ca             	clac
  19:	65 4c 8b 3c 25 c0 6e 	mov    %gs:0x26ec0,%r15
  20:	02 00
  22:	41 8b 87 f8 13 00 00 	mov    0x13f8(%r15),%eax
* 29:	85 c0                	test   %eax,%eax <-- trapping instruction
  2b:	0f 85 34 01 00 00    	jne    0x165
  31:	e8 1e fe ff ff       	callq  0xfffffe54
  36:	41 89 c5             	mov    %eax,%r13d
  39:	84 c0                	test   %al,%al
  3b:	0f                   	.byte 0xf
  3c:	84 24 01             	test   %ah,(%rcx,%rax,1)