Re: [PATCH 4.14 00/64] 4.14.73-stable review

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Hi Greg,

On Thu, Sep 27, 2018 at 10:03 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> This is the start of the stable review cycle for the 4.14.73 release.
> There are 64 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sat Sep 29 09:02:21 UTC 2018.
> Anything received after that time might be too late.

My kvm guest had this:

[    8.570020] kasan: CONFIG_KASAN_INLINE enabled
[    8.570272] kasan: GPF could be caused by NULL-ptr deref or user
memory access
[    8.570472] general protection fault: 0000 [#1] SMP KASAN PTI
[    8.570625] Modules linked in: bochs_drm(+) ppdev drm_kms_helper
ttm joydev evdev drm sg serio_raw pcspkr parport_pc parport button
ip_tables x_tables autofs4 ext4 crc32c_generic crc16 mbcache jbd2
fscrypto sr_mod cdrom sd_mod ata_generic ata_piix xhci_pci e1000
psmouse xhci_hcd libata floppy usbcore i2c_piix4 scsi_mod
[    8.571218] CPU: 0 PID: 225 Comm: systemd-udevd Not tainted 4.14.73-rc1+ #5
[    8.571394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org 04/01/2014
[    8.571706] task: ffff8800366db100 task.stack: ffff88002b1b8000
[    8.571875] RIP: 0010:drm_debugfs_init+0x183/0x370 [drm]
[    8.572023] RSP: 0018:ffff88002b1bf5e8 EFLAGS: 00010202
[    8.572207] RAX: dffffc0000000000 RBX: ffff880031d37000 RCX: 0000000000000000
[    8.572384] RDX: 0000000000000004 RSI: ffff880031d37020 RDI: 0000000000000020
[    8.572560] RBP: 1ffff10005637ebe R08: ffff880036380638 R09: 0000000000000000
[    8.572736] R10: ffff880036380640 R11: ffff880028586290 R12: 0000000000000000
[    8.572914] R13: ffff880028ec1540 R14: 0000000000000000 R15: 0000000000000000
[    8.573091] FS:  00007ff59b7088c0(0000) GS:ffff880034400000(0000)
knlGS:0000000000000000
[    8.573289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.573441] CR2: 00007ffdf9c90000 CR3: 000000002f478000 CR4: 00000000000006f0
[    8.573685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    8.573927] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    8.574227] Call Trace:
[    8.574389]  ? drm_dev_set_unique+0x44/0x90 [drm]
[    8.574591]  ? connector_write+0x2e0/0x2e0 [drm]
[    8.574795]  ? add_hole+0x33e/0x600 [drm]
[    8.574980]  ? memcpy+0x34/0x50
[    8.575152]  drm_minor_register+0xa7/0x1d0 [drm]
[    8.575356]  drm_dev_register+0x117/0x5d0 [drm]
[    8.575562]  drm_get_pci_dev+0x17b/0x4b0 [drm]
[    8.575752]  ? bochs_load+0x110/0x110 [bochs_drm]
[    8.575946]  local_pci_probe+0xde/0x1a0
[    8.576123]  pci_device_probe+0x3f0/0x550
[    8.576306]  ? pci_device_remove+0x1d0/0x1d0
[    8.576492]  ? driver_sysfs_add+0x158/0x280
[    8.576675]  driver_probe_device+0x5e2/0xc80
[    8.576862]  ? driver_probe_device+0xc80/0xc80
[    8.577053]  __driver_attach+0x194/0x1e0
[    8.577231]  bus_for_each_dev+0x111/0x1a0
[    8.577411]  ? subsys_dev_iter_exit+0x10/0x10
[    8.577600]  ? __switch_to_asm+0x24/0x60
[    8.577780]  ? __switch_to_asm+0x24/0x60
[    8.577957]  ? klist_add_tail+0x5c/0x120
[    8.578135]  bus_add_driver+0x3b8/0x6f0
[    8.578314]  driver_register+0x187/0x3a0
[    8.578495]  ? 0xffffffffc0620000
[    8.578664]  do_one_initcall+0x7f/0x1e1
[    8.578845]  ? initcall_blacklisted+0x150/0x150
[    8.579037]  ? kmem_cache_alloc_trace+0xea/0x5d0
[    8.579228]  ? kasan_unpoison_shadow+0x30/0x40
[    8.579414]  ? __asan_register_globals+0x77/0x90
[    8.579611]  do_init_module+0x1ba/0x552
[    8.579790]  ? load_module+0x6798/0x9b30
[    8.579967]  load_module+0x67a5/0x9b30
[    8.580143]  ? module_frob_arch_sections+0x20/0x20
[    8.580340]  ? vfs_read+0x24e/0x2e0
[    8.580514]  ? kernel_read+0x90/0x130
[    8.580687]  ? set_binfmt+0x120/0x120
[    8.580862]  ? SYSC_finit_module+0x14d/0x180
[    8.581049]  SYSC_finit_module+0x14d/0x180
[    8.581230]  ? SYSC_init_module+0x1c0/0x1c0
[    8.581412]  ? vfs_statx_fd+0x49/0x80
[    8.581588]  ? syscall_trace_enter+0x30f/0xb00
[    8.581848]  ? exit_to_usermode_loop+0x7a/0x100
[    8.582105]  ? SyS_init_module+0x10/0x10
[    8.582283]  do_syscall_64+0x191/0x450
[    8.582460]  ? async_page_fault+0x2f/0x50
[    8.582643]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[    8.582840] RIP: 0033:0x7ff59a586229
[    8.583011] RSP: 002b:00007ffcad244b18 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[    8.583318] RAX: ffffffffffffffda RBX: 0000561bda7e7e90 RCX: 00007ff59a586229
[    8.583558] RDX: 0000000000000000 RSI: 00007ff59ae9f265 RDI: 0000000000000011
[    8.583780] RBP: 00007ff59ae9f265 R08: 0000000000000000 R09: 00007ffcad245090
[    8.584001] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
[    8.584272] R13: 0000561bda7e7cb0 R14: 0000000000020000 R15: 0000561bd9fc4cbc
[    8.584496] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 9f 01 00 00 4d
8b b5 70 03 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 20 48 89 fa
48 c1 ea 03 <80> 3c 02 00 0f 85 6f 01 00 00 49 83 7e 20 00 74 10 48 89
df e8
[    8.585076] RIP: drm_debugfs_init+0x183/0x370 [drm] RSP: ffff88002b1bf5e8
[    8.585404] ---[ end trace 62728db3ac408aba ]---

And I had to revert 7e58fe2a97bc ("drm/atomic: Use
drm_drv_uses_atomic_modeset() for debugfs creation") to make it work.
I am looking more into why it failed.

-- 
Regards
Sudip



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