watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:5310]
Modules linked in:
irq event stamp: 455296
hardirqs last  enabled at (455295): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (455296): [<ffffffff84507fff>] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last  enabled at (455186): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (455181): [<ffffffff8118dda3>] irq_exit_rcu+0x93/0xc0
CPU: 1 PID: 5310 Comm: syz-executor.2 Tainted: G             L     6.4.0-rc6-next-20230616 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70
Code: c0 e9 89 f4 06 03 66 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 65 8b 05 2d 85 b7 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 8b 03 00 a9
RSP: 0018:ffff888019d47320 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 000000000000ffd8 RCX: ffffffff83c35f8d
RDX: ffff88801c649b40 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 0000000000000028 R08: 0000000000000006 R09: 000000000000ffd8
R10: 0000000000000001 R11: 0000000000000001 R12: 000000000000ffd8
R13: dffffc0000000000 R14: ffff888046741500 R15: 0000000000000001
FS:  00007f9c29557700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5deb68000 CR3: 00000000454e4000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 __ip6_append_data.isra.0+0xc27/0x4560
 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+0xb6b/0x1370
 __x64_sys_sendfile64+0x1d5/0x210
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f9c2bfe1b19
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:00007f9c29557188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9c2c0f4f60 RCX: 00007f9c2bfe1b19
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007f9c2c03bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 000000000001a000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda4d1614f R14: 00007f9c29557300 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:	e9 89 f4 06 03       	jmpq   0x306f48e
   5:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
   c:	00 00
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  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:	f3 0f 1e fa          	endbr64
  22:	65 8b 05 2d 85 b7 7e 	mov    %gs:0x7eb7852d(%rip),%eax        # 0x7eb78556
* 29:	89 c1                	mov    %eax,%ecx <-- trapping instruction
  2b:	48 8b 34 24          	mov    (%rsp),%rsi
  2f:	81 e1 00 01 00 00    	and    $0x100,%ecx
  35:	65 48 8b 14 25 00 8b 	mov    %gs:0x38b00,%rdx
  3c:	03 00
  3e:	a9                   	.byte 0xa9