genirq: Flags mismatch irq 31. 00200000 (eth9-tx-0) vs. 00200000 (pcmmio)
------------[ cut here ]------------
remove_proc_entry: removing non-empty directory 'irq/30', leaking at least 'eth9-rx-0'
WARNING: fs/proc/generic.c:747 at remove_proc_entry+0x4e7/0x610 fs/proc/generic.c:747, CPU#0: dhcpcd/5447
Modules linked in:
CPU: 0 UID: 0 PID: 5447 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:remove_proc_entry+0x4f5/0x610 fs/proc/generic.c:747
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 00 00 00 48 8d 3d 29 34 6d 0e 49 8b 95 d0 00 00 00 48 c7 c6 80 fa e9 8b <67> 48 0f b9 3a e9 2a fe ff ff e8 4c c3 4e ff 48 8d 7d 18 48 b8 00
RSP: 0000:ffffc9000330f240 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffff888066dc59dc
RDX: ffff88801cf0c5dc RSI: ffffffff8be9fa80 RDI: ffffffff91284060
RBP: ffff888066dc59b8 R08: ffff888066dc4fdc R09: ffffed100cdb8b23
R10: ffff888066dc591b R11: 0000000000000000 R12: ffff888066dc5900
R13: ffff88801cf0c500 R14: ffff888066dc4fb8 R15: dffffc0000000000
FS:  00007ff5a378f780(0000) GS:ffff888096bf3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f5274d9e CR3: 000000004e5d6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 unregister_irq_proc+0x206/0x2a0 kernel/irq/proc.c:406
 free_desc+0x89/0x330 kernel/irq/irqdesc.c:482
 irq_free_descs kernel/irq/irqdesc.c:874 [inline]
 irq_free_descs+0x84/0xc0 kernel/irq/irqdesc.c:865
 irq_domain_free_irqs+0x46a/0x5c0 kernel/irq/irqdomain.c:1917
 __msi_domain_free_irqs kernel/irq/msi.c:1619 [inline]
 msi_domain_free_locked.part.0+0x524/0x6b0 kernel/irq/msi.c:1645
 msi_domain_free_locked kernel/irq/msi.c:1632 [inline]
 msi_domain_free_irqs_range_locked kernel/irq/msi.c:1668 [inline]
 msi_domain_free_irqs_all_locked+0x11d/0x170 kernel/irq/msi.c:1701
 pci_msi_teardown_msi_irqs+0xb3/0xd0 drivers/pci/msi/irqdomain.c:28
 pci_free_msi_irqs+0x1f/0xa0 drivers/pci/msi/msi.c:921
 pci_disable_msix drivers/pci/msi/api.c:200 [inline]
 pci_disable_msix+0xcf/0x100 drivers/pci/msi/api.c:193
 e1000e_reset_interrupt_capability drivers/net/ethernet/intel/e1000e/netdev.c:2041 [inline]
 e1000_request_irq+0x473/0xdc0 drivers/net/ethernet/intel/e1000e/netdev.c:2175
 e1000e_open+0x471/0x1800 drivers/net/ethernet/intel/e1000e/netdev.c:4687
 __dev_open+0x3ad/0x8f0 net/core/dev.c:1702
 __dev_change_flags+0x596/0x850 net/core/dev.c:9760
 netif_change_flags+0x8d/0x160 net/core/dev.c:9823
 dev_change_flags+0xba/0x260 net/core/dev_api.c:68
 devinet_ioctl+0x110b/0x1f10 net/ipv4/devinet.c:1199
 inet_ioctl+0x3aa/0x3f0 net/ipv4/af_inet.c:1009
 sock_do_ioctl+0x118/0x280 net/socket.c:1300
 sock_ioctl+0x599/0x6b0 net/socket.c:1421
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff5a388f378
Code: 00 00 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 07 89 d0 c3 0f 1f 40 00 48 8b 15 49 3a 0d
RSP: 002b:00007ffe1770b8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000028 RCX: 00007ff5a388f378
RDX: 00007ffe1771baf0 RSI: 0000000000008914 RDI: 0000000000000028
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1772bc90
R13: 00007ff5a378f708 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 fc                	add    %bh,%ah
   2:	ff                   	lcall  (bad)
   3:	df 48 89             	fisttps -0x77(%rax)
   6:	fa                   	cli
   7:	48 c1 ea 03          	shr    $0x3,%rdx
   b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   f:	0f 85 c7 00 00 00    	jne    0xdc
  15:	48 8d 3d 29 34 6d 0e 	lea    0xe6d3429(%rip),%rdi        # 0xe6d3445
  1c:	49 8b 95 d0 00 00 00 	mov    0xd0(%r13),%rdx
  23:	48 c7 c6 80 fa e9 8b 	mov    $0xffffffff8be9fa80,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 2a fe ff ff       	jmp    0xfffffe5e
  34:	e8 4c c3 4e ff       	call   0xff4ec385
  39:	48 8d 7d 18          	lea    0x18(%rbp),%rdi
  3d:	48                   	rex.W
  3e:	b8                   	.byte 0xb8