Kernel panic in _nv001848kms() function due to unsigned Kernel module nvidia_modeset
Issue
- System crashes with following messages in the kernel ring buffer :
BUG: unable to handle kernel NULL pointer dereference at 00000000000000b0
IP: [<ffffffffc1351dbe>] _nv001848kms+0xe/0x110 [nvidia_modeset] <<
PGD 0
Oops: 0000 [#1] SMP
Modules linked in: fuse btrfs raid6_pq xor vfat msdos fat xfs libcrc32c dm_mod binfmt_misc bonding nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE)
Stack:
ffffffff811de581 0000000100017b00 ffff88020fe20000 ffff880223b5c808
0000000000000000 ffffffffc1365dbd 000000018020001a 0000000000000d89
0000000000000bb9 ffff880223b5c808 ffff880221245028 ffff880218fe7bac
Call Trace:
[<ffffffff811de581>] ? __slab_free+0x81/0x2f0
[<ffffffffc1365dbd>] ? _nv002045kms+0x1d/0xe0 [nvidia_modeset]
[<ffffffffc136b1ad>] ? _nv001892kms+0x7d/0x140 [nvidia_modeset]
[<ffffffffc132784a>] ? _nv000240kms+0x5a/0xd0 [nvidia_modeset]
[<ffffffff811de9d2>] ? kmem_cache_free+0x1e2/0x200
[<ffffffffc132793c>] ? nvKmsClose+0x7c/0x120 [nvidia_modeset]
[<ffffffffc1325d31>] ? nvkms_close_common+0x21/0x60 [nvidia_modeset]
[<ffffffffc1325d8a>] ? nvkms_close+0x1a/0x30 [nvidia_modeset]
[<ffffffffc056440c>] ? nvidia_frontend_close+0x2c/0x50 [nvidia]
[<ffffffff81202fb9>] ? __fput+0xe9/0x260
[<ffffffff8120321e>] ? ____fput+0xe/0x10
[<ffffffff810ad265>] ? task_work_run+0xc5/0xf0
[<ffffffff8108da01>] ? do_exit+0x2d1/0xa40
[<ffffffff811de581>] ? __slab_free+0x81/0x2f0
[<ffffffffc136ab87>] ? _nv002056kms+0x47/0x60 [nvidia_modeset]
[<ffffffff8108e1ef>] ? do_group_exit+0x3f/0xa0
[<ffffffff8109e31e>] ? get_signal_to_deliver+0x1ce/0x5e0
[<ffffffff8102a467>] ? do_signal+0x57/0x6c0
[<ffffffff81034e9b>] ? __switch_to_xtra+0x16b/0x1a0
[<ffffffff810298bd>] ? __switch_to+0x43d/0x510
[<ffffffff8102ab2f>] ? do_notify_resume+0x5f/0xb0
[<ffffffff816b527d>] ? int_signal+0x12/0x17
Code: 00 00 48 8b 6c 24 10 48 8b 5c 24 08 48 83 c4 18 c3 be 01 00 00 00 e8 22 fb ff ff eb c2 55 53 48 89 fb 48 83 ec 18 48 85 ff 74 45 <48> 8b 87 98 00 00 00 48 8b 8f 90 00 00 00 8b 97 ac 00 00 00 89
RIP [<ffffffffc1351dbe>] _nv001848kms+0xe/0x110 [nvidia_modeset]
RSP <ffff880218fe7ae8>
CR2: 00000000000000b0
Environment
- Red Hat Enterprise Linux 7
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