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* kernel BUG at kernel/cred.c:825!
@ 2019-01-07 19:18 Dave Jones
  2019-01-16 19:09 ` Laura Abbott
  0 siblings, 1 reply; 3+ messages in thread
From: Dave Jones @ 2019-01-07 19:18 UTC (permalink / raw)
  To: Linux Kernel; +Cc: Trond Myklebust, Anna Schumaker, linux-nfs

[   53.980701] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
[   53.981216] NFSD: starting 45-second grace period (net f0000098)
[   54.006802] CRED: Invalid credentials
[   54.006880] CRED: At ./include/linux/cred.h:253
[   54.006899] CRED: Specified credentials: 000000005daa4529 
[   54.006916] CRED: ->magic=0, put_addr=          (null)
[   54.006927] CRED: ->usage=1, subscr=0
[   54.006935] CRED: ->*uid = { 0,0,0,0 }
[   54.006944] CRED: ->*gid = { 0,0,0,0 }
[   54.006954] ------------[ cut here ]------------
[   54.006964] kernel BUG at kernel/cred.c:825!
[   54.006977] invalid opcode: 0000 [#1] SMP RIP: __invalid_creds+0x48/0x50
[   54.006987] CPU: 2 PID: 814 Comm: mount.nfs Tainted: G        W         5.0.0-rc1-backup+ #1
[   54.006997] Hardware name: ASUS All Series/Z97-DELUXE, BIOS 2602 08/18/2015
[   54.007171] RIP: 0010:__invalid_creds+0x48/0x50
[   54.007184] Code: 44 89 e2 48 89 ee 48 c7 c7 37 3e 53 ba e8 f7 8f 03 00 48 c7 c6 49 3e 53 ba 48 89 df 65 48 8b 14 25 80 4e 01 00 e8 48 fd ff ff <0f> 0b 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 49 89 fe
[   54.007207] RSP: 0018:ffffc90000e33a30 EFLAGS: 00010286
[   54.007219] RAX: 000000000000001a RBX: ffffffffba960300 RCX: 0000000000000006
[   54.007234] RDX: 0000000000000000 RSI: ffff8884276f8818 RDI: ffff88842f895710
[   54.007246] RBP: ffffffffba5274c3 R08: 0000000000000001 R09: 0000000000000000
[   54.007254] R10: ffffc90000e33a50 R11: 0000000000000000 R12: 00000000000000fd
[   54.007261] R13: ffff88842c1a6a08 R14: ffffffffba960300 R15: ffffc90000e33d60
[   54.007269] FS:  00007f73770cb140(0000) GS:ffff88842f880000(0000) knlGS:0000000000000000
[   54.007277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.007283] CR2: 00005557d17d1000 CR3: 00000004122ba006 CR4: 00000000001606e0
[   54.007359] Call Trace:
[   54.007366]  nfs4_discover_server_trunking+0x286/0x310
[   54.007376]  nfs4_init_client+0xe8/0x260
[   54.007389]  ? nfs_get_client+0x519/0x610
[   54.007401]  ? _raw_spin_unlock+0x24/0x30
[   54.007412]  ? nfs_get_client+0x519/0x610
[   54.007424]  nfs4_set_client+0xb8/0x100
[   54.007439]  nfs4_create_server+0xfe/0x270
[   54.007451]  ? pcpu_alloc+0x611/0x8a0
[   54.007462]  nfs4_remote_mount+0x28/0x50
[   54.007474]  mount_fs+0xf/0x80
[   54.007487]  vfs_kern_mount+0x62/0x160
[   54.007498]  nfs_do_root_mount+0x7f/0xc0
[   54.007510]  nfs4_try_mount+0x3f/0xc0
[   54.007521]  ? get_nfs_version+0x11/0x50
[   54.007536]  nfs_fs_mount+0x61b/0xbd0
[   54.007548]  ? rcu_read_lock_sched_held+0x66/0x70
[   54.007560]  ? nfs_clone_super+0x70/0x70
[   54.007571]  ? nfs_destroy_inode+0x20/0x20
[   54.007585]  ? mount_fs+0xf/0x80
[   54.007595]  mount_fs+0xf/0x80
[   54.007606]  vfs_kern_mount+0x62/0x160
[   54.007618]  do_mount+0x1d1/0xd40
[   54.007631]  ? copy_mount_options+0xd2/0x170
[   54.007643]  ksys_mount+0x7e/0xd0
[   54.007654]  __x64_sys_mount+0x21/0x30
[   54.007665]  do_syscall_64+0x6d/0x660
[   54.007677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   54.007690]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   54.007702] RIP: 0033:0x7f7377e97a1a
[   54.007713] Code: 48 8b 0d 71 e4 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3e e4 0b 00 f7 d8 64 89 01 48
[   54.007736] RSP: 002b:00007ffc73d9b4a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
[   54.007751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7377e97a1a
[   54.007764] RDX: 00005632beb51b50 RSI: 00005632beb51b70 RDI: 00005632beb53880
[   54.007780] RBP: 00007ffc73d9b600 R08: 00005632beb556b0 R09: 33643a303036343a
[   54.007794] R10: 0000000000000c00 R11: 0000000000000202 R12: 00007ffc73d9b600
[   54.007807] R13: 00005632beb548a0 R14: 000000000000001c R15: 00007ffc73d9b510


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: kernel BUG at kernel/cred.c:825!
  2019-01-07 19:18 kernel BUG at kernel/cred.c:825! Dave Jones
@ 2019-01-16 19:09 ` Laura Abbott
  2019-01-22  5:21   ` Santosh Kumar Pradhan
  0 siblings, 1 reply; 3+ messages in thread
From: Laura Abbott @ 2019-01-16 19:09 UTC (permalink / raw)
  To: Dave Jones, Linux Kernel, Trond Myklebust, Anna Schumaker, linux-nfs

On 1/7/19 11:18 AM, Dave Jones wrote:
> [   53.980701] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
> [   53.981216] NFSD: starting 45-second grace period (net f0000098)
> [   54.006802] CRED: Invalid credentials
> [   54.006880] CRED: At ./include/linux/cred.h:253
> [   54.006899] CRED: Specified credentials: 000000005daa4529
> [   54.006916] CRED: ->magic=0, put_addr=          (null)
> [   54.006927] CRED: ->usage=1, subscr=0
> [   54.006935] CRED: ->*uid = { 0,0,0,0 }
> [   54.006944] CRED: ->*gid = { 0,0,0,0 }
> [   54.006954] ------------[ cut here ]------------
> [   54.006964] kernel BUG at kernel/cred.c:825!
> [   54.006977] invalid opcode: 0000 [#1] SMP RIP: __invalid_creds+0x48/0x50
> [   54.006987] CPU: 2 PID: 814 Comm: mount.nfs Tainted: G        W         5.0.0-rc1-backup+ #1
> [   54.006997] Hardware name: ASUS All Series/Z97-DELUXE, BIOS 2602 08/18/2015
> [   54.007171] RIP: 0010:__invalid_creds+0x48/0x50
> [   54.007184] Code: 44 89 e2 48 89 ee 48 c7 c7 37 3e 53 ba e8 f7 8f 03 00 48 c7 c6 49 3e 53 ba 48 89 df 65 48 8b 14 25 80 4e 01 00 e8 48 fd ff ff <0f> 0b 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 49 89 fe
> [   54.007207] RSP: 0018:ffffc90000e33a30 EFLAGS: 00010286
> [   54.007219] RAX: 000000000000001a RBX: ffffffffba960300 RCX: 0000000000000006
> [   54.007234] RDX: 0000000000000000 RSI: ffff8884276f8818 RDI: ffff88842f895710
> [   54.007246] RBP: ffffffffba5274c3 R08: 0000000000000001 R09: 0000000000000000
> [   54.007254] R10: ffffc90000e33a50 R11: 0000000000000000 R12: 00000000000000fd
> [   54.007261] R13: ffff88842c1a6a08 R14: ffffffffba960300 R15: ffffc90000e33d60
> [   54.007269] FS:  00007f73770cb140(0000) GS:ffff88842f880000(0000) knlGS:0000000000000000
> [   54.007277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   54.007283] CR2: 00005557d17d1000 CR3: 00000004122ba006 CR4: 00000000001606e0
> [   54.007359] Call Trace:
> [   54.007366]  nfs4_discover_server_trunking+0x286/0x310
> [   54.007376]  nfs4_init_client+0xe8/0x260
> [   54.007389]  ? nfs_get_client+0x519/0x610
> [   54.007401]  ? _raw_spin_unlock+0x24/0x30
> [   54.007412]  ? nfs_get_client+0x519/0x610
> [   54.007424]  nfs4_set_client+0xb8/0x100
> [   54.007439]  nfs4_create_server+0xfe/0x270
> [   54.007451]  ? pcpu_alloc+0x611/0x8a0
> [   54.007462]  nfs4_remote_mount+0x28/0x50
> [   54.007474]  mount_fs+0xf/0x80
> [   54.007487]  vfs_kern_mount+0x62/0x160
> [   54.007498]  nfs_do_root_mount+0x7f/0xc0
> [   54.007510]  nfs4_try_mount+0x3f/0xc0
> [   54.007521]  ? get_nfs_version+0x11/0x50
> [   54.007536]  nfs_fs_mount+0x61b/0xbd0
> [   54.007548]  ? rcu_read_lock_sched_held+0x66/0x70
> [   54.007560]  ? nfs_clone_super+0x70/0x70
> [   54.007571]  ? nfs_destroy_inode+0x20/0x20
> [   54.007585]  ? mount_fs+0xf/0x80
> [   54.007595]  mount_fs+0xf/0x80
> [   54.007606]  vfs_kern_mount+0x62/0x160
> [   54.007618]  do_mount+0x1d1/0xd40
> [   54.007631]  ? copy_mount_options+0xd2/0x170
> [   54.007643]  ksys_mount+0x7e/0xd0
> [   54.007654]  __x64_sys_mount+0x21/0x30
> [   54.007665]  do_syscall_64+0x6d/0x660
> [   54.007677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
> [   54.007690]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
> [   54.007702] RIP: 0033:0x7f7377e97a1a
> [   54.007713] Code: 48 8b 0d 71 e4 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3e e4 0b 00 f7 d8 64 89 01 48
> [   54.007736] RSP: 002b:00007ffc73d9b4a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
> [   54.007751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7377e97a1a
> [   54.007764] RDX: 00005632beb51b50 RSI: 00005632beb51b70 RDI: 00005632beb53880
> [   54.007780] RBP: 00007ffc73d9b600 R08: 00005632beb556b0 R09: 33643a303036343a
> [   54.007794] R10: 0000000000000c00 R11: 0000000000000202 R12: 00007ffc73d9b600
> [   54.007807] R13: 00005632beb548a0 R14: 000000000000001c R15: 00007ffc73d9b510
> 

Fedora still seems to be hitting this as of -rc2

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: kernel BUG at kernel/cred.c:825!
  2019-01-16 19:09 ` Laura Abbott
@ 2019-01-22  5:21   ` Santosh Kumar Pradhan
  0 siblings, 0 replies; 3+ messages in thread
From: Santosh Kumar Pradhan @ 2019-01-22  5:21 UTC (permalink / raw)
  To: Laura Abbott, Dave Jones, Linux Kernel, Trond Myklebust,
	Anna Schumaker, linux-nfs

Hi Laura,

On 17/01/19, 12:39 AM, "linux-nfs-owner@vger.kernel.org on behalf of Laura Abbott" <linux-nfs-owner@vger.kernel.org on behalf of labbott@redhat.com> wrote:

    On 1/7/19 11:18 AM, Dave Jones wrote:
    > [   53.980701] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
    > [   53.981216] NFSD: starting 45-second grace period (net f0000098)
    > [   54.006802] CRED: Invalid credentials
    > [   54.006880] CRED: At ./include/linux/cred.h:253
    > [   54.006899] CRED: Specified credentials: 000000005daa4529
    > [   54.006916] CRED: ->magic=0, put_addr=          (null)
    > [   54.006927] CRED: ->usage=1, subscr=0
    > [   54.006935] CRED: ->*uid = { 0,0,0,0 }
    > [   54.006944] CRED: ->*gid = { 0,0,0,0 }
    > [   54.006954] ------------[ cut here ]------------
    > [   54.006964] kernel BUG at kernel/cred.c:825!
    
 > 
    
    Fedora still seems to be hitting this as of -rc2

The FIX is made into –rc3.

Best R,
Santosh
    


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2019-01-07 19:18 kernel BUG at kernel/cred.c:825! Dave Jones
2019-01-16 19:09 ` Laura Abbott
2019-01-22  5:21   ` Santosh Kumar Pradhan

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