sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Process accounting resumed
watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.1:4855]
Modules linked in:
irq event stamp: 5934735
hardirqs last  enabled at (5934734): [<ffffffff8460158a>] asm_sysvec_irq_work+0x1a/0x20
hardirqs last disabled at (5934735): [<ffffffff8458d15f>] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last  enabled at (1716550): [<ffffffff81190303>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1716553): [<ffffffff81190303>] irq_exit_rcu+0x93/0xc0
CPU: 1 PID: 4855 Comm: syz-executor.1 Not tainted 6.5.0-rc3-next-20230725 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:memcg_slab_post_alloc_hook+0x213/0x350
Code: 48 4c 8d 52 ff 83 e2 01 49 0f 45 c2 49 89 c7 e9 8f fe ff ff 8b 75 18 4c 89 e7 48 83 c6 08 e8 64 67 03 00 eb 9a 48 83 c4 10 5b <5d> 41 5c 41 5d 41 5e 41 5f e9 1f 33 da 02 e8 4a fb b4 ff 84 c0 0f
RSP: 0018:ffff88806cf09890 EFLAGS: 00000286
RAX: ffff88800e96b260 RBX: 00000000000000f0 RCX: 0000000000000001
RDX: 0000000000092820 RSI: 0000000000000000 RDI: ffff88800844f780
RBP: ffff88806cf09908 R08: ffff88806cf098d0 R09: ffff888016af09e8
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000092820 R15: 0000000000092820
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555567453bc CR3: 0000000005482000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 kmem_cache_alloc+0x1c1/0x390
 __create_object+0x3c/0xc90
 __kmem_cache_alloc_node+0x20b/0x310
 kmalloc_trace+0x26/0xc0
 dst_cow_metrics_generic+0x4c/0x1f0
 icmp6_dst_alloc+0x456/0x610
 ndisc_send_skb+0x11ea/0x1c20
 ndisc_send_rs+0x135/0x550
 addrconf_rs_timer+0x2f0/0x7d0
 call_timer_fn+0x17d/0x4e0
 expire_timers+0x272/0x460
 run_timer_softirq+0x2f5/0x880
 __do_softirq+0x1b7/0x7d4
 irq_exit_rcu+0x93/0xc0
 sysvec_irq_work+0x6e/0x90
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50
Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 16 a7 d2 fc 48 89 ef e8 ce 2a d3 fc 80 e7 02 74 06 e8 94 b5 f8 fc fb 65 ff 0d 24 44 a8 7b <74> 07 5b 5d e9 13 2a 00 00 0f 1f 44 00 00 5b 5d e9 07 2a 00 00 0f
RSP: 0018:ffff8880447d7770 EFLAGS: 00000282
RAX: 000000000000ef85 RBX: 0000000000000246 RCX: ffffffff812d4b5f
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff845b46dc
RBP: ffff88800e0fb8c0 R08: 0000000000000001 R09: fffffbfff0efe565
R10: ffffffff877f2b2f R11: 0000000000000001 R12: ffff88806cf39558
R13: ffff88801617d1c0 R14: ffff888008d904a8 R15: ffff88806cf39540
 finish_task_switch.isra.0+0x555/0x830
 __schedule+0x9b1/0x2b00
 __cond_resched+0x46/0x70
 down_write+0x73/0x1f0
 free_pgtables+0x2b4/0x830
 exit_mmap+0x333/0x9b0
 mmput+0xd5/0x390
 do_exit+0x99f/0x2740
 do_group_exit+0xd4/0x2a0
 get_signal+0x2693/0x2720
 arch_do_signal_or_restart+0x79/0x590
 exit_to_user_mode_prepare+0xeb/0x180
 syscall_exit_to_user_mode+0x1d/0x50
 do_syscall_64+0x4c/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f1dee258b19
Code: Unable to access opcode bytes at 0x7f1dee258aef.
RSP: 002b:00007f1deb7ce218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f1dee36bf68 RCX: 00007f1dee258b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1dee36bf68
RBP: 00007f1dee36bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dee36bf6c
R13: 00007ffc84a241cf R14: 00007f1deb7ce300 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):
   0:	48                   	rex.W
   1:	4c 8d 52 ff          	lea    -0x1(%rdx),%r10
   5:	83 e2 01             	and    $0x1,%edx
   8:	49 0f 45 c2          	cmovne %r10,%rax
   c:	49 89 c7             	mov    %rax,%r15
   f:	e9 8f fe ff ff       	jmpq   0xfffffea3
  14:	8b 75 18             	mov    0x18(%rbp),%esi
  17:	4c 89 e7             	mov    %r12,%rdi
  1a:	48 83 c6 08          	add    $0x8,%rsi
  1e:	e8 64 67 03 00       	callq  0x36787
  23:	eb 9a                	jmp    0xffffffbf
  25:	48 83 c4 10          	add    $0x10,%rsp
  29:	5b                   	pop    %rbx
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	41 5d                	pop    %r13
  2f:	41 5e                	pop    %r14
  31:	41 5f                	pop    %r15
  33:	e9 1f 33 da 02       	jmpq   0x2da3357
  38:	e8 4a fb b4 ff       	callq  0xffb4fb87
  3d:	84 c0                	test   %al,%al
  3f:	0f                   	.byte 0xf