syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 10, lost async page write
FAT-fs (loop5): Unrecognized mount option "shortQame=lower" or missing value
watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.0:4192]
Modules linked in:
irq event stamp: 202328
hardirqs last  enabled at (202327): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (202328): [<ffffffff84504fff>] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last  enabled at (202236): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (202231): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
CPU: 1 PID: 4192 Comm: syz-executor.0 Not tainted 6.4.0-rc6-next-20230613 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x20
Code: 00 00 00 e9 2a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 07 00 00 00 e9 f8 fd ff ff 0f 1f 84 00 00 00
RSP: 0018:ffff888044737180 EFLAGS: 00000246
RAX: ffff888044737738 RBX: 0000000000000000 RCX: ffffffff8366e620
RDX: 0000000000040000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000008000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000008000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88801c942280 R14: ffff88801c942280 R15: ffff888044737738
FS:  00007fc323929700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bd2d000 CR3: 00000000334ce000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 skb_splice_from_iter+0xe0/0xb50
 __ip6_append_data.isra.0+0x1715/0x4560
 ip6_append_data+0x1d4/0x530
 rawv6_sendmsg+0x156e/0x3dc0
 inet_sendmsg+0x121/0x150
 sock_sendmsg+0x19b/0x200
 splice_to_socket+0x949/0xe10
 direct_splice_actor+0x119/0x180
 splice_direct_to_actor+0x349/0x9d0
 do_splice_direct+0x1bb/0x290
 do_sendfile+0xb4b/0x12f0
 __x64_sys_sendfile64+0x1d5/0x210
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fc3263f5b19
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:00007fc323929188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc3265090e0 RCX: 00007fc3263f5b19
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007fc32644ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 000000000001a000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcca84085f R14: 00007fc323929300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	e9 2a fe ff ff       	jmpq   0xfffffe31
   7:	66 2e 0f 1f 84 00 00 	nopw   %cs:0x0(%rax,%rax,1)
   e:	00 00 00
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	f3 0f 1e fa          	endbr64
  25:	48 8b 0c 24          	mov    (%rsp),%rcx
* 29:	48 89 f2             	mov    %rsi,%rdx <-- trapping instruction
  2c:	48 89 fe             	mov    %rdi,%rsi
  2f:	bf 07 00 00 00       	mov    $0x7,%edi
  34:	e9 f8 fd ff ff       	jmpq   0xfffffe31
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)