Hi!I have some Debian 8 system with CIFS shares mounted with the option vers=3.0.
Since the last kernel upgrade (linux-image-3.16.0-6-amd64 to the version 3.16.57-2) and the new kernel installation (linux-image-3.16.0-7-amd64 (version 3.16.59-1) both kernels are crashing while mounting the CIFS share:
Mar 13 09:03:41 testsystem kernel: [ 4.947038] Key type dns_resolver
registered
Mar 13 09:03:41 testsystem kernel: [ 4.958137] FS-Cache: Netfs 'cifs'
registered for caching
Mar 13 09:03:41 testsystem kernel: [ 4.958185] Key type cifs.spnego
registered
Mar 13 09:03:41 testsystem kernel: [ 4.958187] Key type cifs.idmap registered
Mar 13 09:03:41 testsystem kernel: [ 4.988113] PGD 0
Mar 13 09:03:41 testsytem kernel: [ 4.988449] Oops: 0000 [#1] SMP
Mar 13 09:03:41 testsytem kernel: [ 4.988788] Modules linked in: arc4 ecb
md4 hmac nls_utf8 cifs dns_resolver nfsv3 nfsd auth_rpcgss oid_registry nfs_acl
nfs lockd fscache sunrpc loop crc32_pclmul ppdev aesni_intel vmw_balloon
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd evdev serio_raw pcspkr
battery vmwgfx ttm drm_kms_helper drm parport_pc processor shpchp parport
thermal_sys vmw_vmci ac button ext4 crc16 mbcache jbd2 dm_mod vmw_pvscsi sg
sd_mod crc_t10dif sr_mod crct10dif_generic cdrom ata_generic crct10dif_pclmul
crct10dif_common crc32c_intel psmouse ata_piix mptspi scsi_transport_spi
mptscsih libata mptbase vmxnet3 i2c_piix4 scsi_mod i2c_core floppy
Mar 13 09:03:41 testsytem kernel: [ 4.991420] CPU: 2 PID: 1436 Comm:
mount.cifs Not tainted 3.16.0-7-amd64 #1 Debian 3.16.59-1
Mar 13 09:03:41 testsytem kernel: [ 4.991798] Hardware name: VMware, Inc.
VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/19/2018
Mar 13 09:03:41 testsytem kernel: [ 4.992557] task: ffff88042d886cf0 ti:
ffff88042d888000 task.ti: ffff88042d888000
Mar 13 09:03:41 testsytem kernel: [ 4.992956] RIP: 0010:[<ffffffff81285f5c>]
[<ffffffff81285f5c>] crypto_shash_setkey+0x1c/0xc0
Mar 13 09:03:41 testsytem kernel: [ 4.993372] RSP: 0018:ffff88042d88ba68
EFLAGS: 00010292
Mar 13 09:03:41 testsytem kernel: [ 4.993777] RAX: ffff88042b49b000 RBX:
0000000000000002 RCX: ffff88042cc3a740
Mar 13 09:03:41 testsytem kernel: [ 4.994186] RDX: 0000000000000010 RSI:
ffff88042b49b118 RDI: 0000000000000000
Mar 13 09:03:41 testsytem kernel: [ 4.994597] RBP: 0000000000000000 R08:
ffff88042cc3ef48 R09: 0000000000000000
Mar 13 09:03:41 testsytem kernel: [ 4.995003] R10: 6f69746b75646f72 R11:
ffff88042d801000 R12: ffff88042b49b118
Mar 13 09:03:41 testsytem kernel: [ 4.995409] R13: ffff88042d88bb50 R14:
0000000000000010 R15: ffff88042d88bbd4
Mar 13 09:03:41 testsytem kernel: [ 4.995815] FS: 00007f07a4ef4740(0000)
GS:ffff88043fd00000(0000) knlGS:0000000000000000
Mar 13 09:03:41 testsytem kernel: [ 4.996233] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Mar 13 09:03:41 testsytem kernel: [ 4.996643] CR2: 0000000000000058 CR3:
000000042dde6000 CR4: 0000000000060770
Mar 13 09:03:41 testsytem kernel: [ 4.997109] Stack:
Mar 13 09:03:41 testsytem kernel: [ 4.997521] ffff8800bb3b3df0
0000000000000002 ffff88042d88bb08 ffff88042d8f4000
Mar 13 09:03:41 testsytem kernel: [ 4.997945] ffff88042d88bb50
0000000000000002 ffff88042d88bbd4 ffffffffa04aaac3
Mar 13 09:03:41 testsytem kernel: [ 4.998367] ffff88042d88bbe0
ffff88042cc3a740 0000000000000246 ffffffff8153690f
Mar 13 09:03:41 testsytem kernel: [ 4.998791] Call Trace:
Mar 13 09:03:41 testsytem kernel: [ 4.999213] [<ffffffffa04aaac3>] ?
smb3_calc_signature+0x93/0x2b0 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 4.999647] [<ffffffff8153690f>] ?
__schedule+0x23f/0x740
Mar 13 09:03:41 testsytem kernel: [ 5.000086] [<ffffffffa04aafd8>] ?
smb2_setup_request+0xb8/0x190 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.000525] [<ffffffffa049a212>] ?
SendReceive2+0xd2/0x450 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.000967] [<ffffffffa04aeaaf>] ?
SMB2_ioctl+0x13f/0x320 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.001408] [<ffffffffa04aed9c>] ?
smb3_validate_negotiate+0x10c/0x320 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.001859] [<ffffffffa04ac83d>] ?
SMB2_tcon+0x29d/0x4f0 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.002302] [<ffffffffa0482500>] ?
cifs_get_tcon+0x1c0/0x430 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.002741] [<ffffffffa0484ea8>] ?
cifs_mount+0x6b8/0xe00 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.003179] [<ffffffffa047080b>] ?
cifs_do_mount+0xfb/0x5c0 [cifs]
Mar 13 09:03:41 testsytem kernel: [ 5.003616] [<ffffffff81193bd6>] ?
alloc_pages_current+0xa6/0x160
Mar 13 09:03:41 testsytem kernel: [ 5.004046] [<ffffffff811bb79b>] ?
mount_fs+0x3b/0x1c0
Mar 13 09:03:41 testsytem kernel: [ 5.004463] [<ffffffff811d6f32>] ?
vfs_kern_mount+0x62/0x110
Mar 13 09:03:41 testsytem kernel: [ 5.004869] [<ffffffff811d99ea>] ?
do_mount+0x22a/0xc90
Mar 13 09:03:41 testsytem kernel: [ 5.005265] [<ffffffff811da773>] ?
SyS_mount+0xa3/0xf0
Mar 13 09:03:41 testsytem kernel: [ 5.005648] [<ffffffff8153ae1c>] ?
system_call_fast_compare_end+0x1c/0x21
Mar 13 09:03:41 testsytem kernel: [ 5.006024] Code: cf 8b 10 e8 97 91 04 00 31 c0
c3 0f 1f 40 00 66 66 66 66 90 41 57 41 56 41 89 d6 41 55 41 54 49 89 f4 55 53 48 89
fd 48 83 ec 08 <4c> 8b 6f 58 41 8b 5d 2c 48 85 de 74 5f 48 89 df 89 d2 be d0 00
Mar 13 09:03:41 testsytem kernel: [ 5.007604] RSP <ffff88042d88ba68>
Mar 13 09:03:41 testsytem kernel: [ 5.007963] CR2: 0000000000000058
Mar 13 09:03:41 testsytem kernel: [ 5.008328] ---[ end trace
9af512a4499c4e7e ]---
Mar 13 09:03:41 testsytem kernel: [ 5.025675] NFS: Registering the
id_resolver key type
Mar 13 09:03:41 testsytem kernel: [ 5.026029] Key type id_resolver registered
Mar 13 09:03:41 testsytem kernel: [ 5.026369] Key type id_legacy registered
Mar 13 09:03:44 testsytem kernel: [ 8.200135] PGD 0
Mar 13 09:03:44 testsytem kernel: [ 8.200428] Oops: 0000 [#2] SMP
Mar 13 09:03:44 testsytem kernel: [ 8.200718] Modules linked in:
rpcsec_gss_krb5 nfsv4 arc4 ecb md4 hmac nls_utf8 cifs dns_resolver nfsv3 nfsd
auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc loop crc32_pclmul
ppdev aesni_intel vmw_balloon aes_x86_64 lrw gf128mul glue_helper ablk_helper
cryptd evdev serio_raw pcspkr battery vmwgfx ttm drm_kms_helper drm parport_pc
processor shpchp parport thermal_sys vmw_vmci ac button ext4 crc16 mbcache jbd2
dm_mod vmw_pvscsi sg sd_mod crc_t10dif sr_mod crct10dif_generic cdrom
ata_generic crct10dif_pclmul crct10dif_common crc32c_intel psmouse ata_piix
mptspi scsi_transport_spi mptscsih libata mptbase vmxnet3 i2c_piix4 scsi_mod
i2c_core floppy
Mar 13 09:03:44 testsytem kernel: [ 8.203073] CPU: 0 PID: 2531 Comm:
mount.cifs Tainted: G D 3.16.0-7-amd64 #1 Debian 3.16.59-1
Mar 13 09:03:44 testsytem kernel: [ 8.203774] Hardware name: VMware, Inc.
VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/19/2018
Mar 13 09:03:44 testsytem kernel: [ 8.204515] task: ffff8800bb869450 ti:
ffff88042d3b4000 task.ti: ffff88042d3b4000
Mar 13 09:03:44 testsytem kernel: [ 8.204905] RIP: 0010:[<ffffffff81285f5c>]
[<ffffffff81285f5c>] crypto_shash_setkey+0x1c/0xc0
Mar 13 09:03:44 testsytem kernel: [ 8.205297] RSP: 0018:ffff88042d3b7a68
EFLAGS: 00010292
Mar 13 09:03:44 testsytem kernel: [ 8.205684] RAX: ffff88042bbe7800 RBX:
0000000000000002 RCX: ffff88042d4d5ac0
Mar 13 09:03:44 testsytem kernel: [ 8.206074] RDX: 0000000000000010 RSI:
ffff88042bbe7918 RDI: 0000000000000000
Mar 13 09:03:44 testsytem kernel: [ 8.206469] RBP: 0000000000000000 R08:
ffff88042cc3e648 R09: 0000000000000000
Mar 13 09:03:44 testsytem kernel: [ 8.206861] R10: 6f69746b75646f72 R11:
ffff88042b825000 R12: ffff88042bbe7918
Mar 13 09:03:44 testsytem kernel: [ 8.207257] R13: ffff88042d3b7b50 R14:
0000000000000010 R15: ffff88042d3b7bd4
Mar 13 09:03:44 testsytem kernel: [ 8.207657] FS: 00007f7b06fed740(0000)
GS:ffff88043fc00000(0000) knlGS:0000000000000000
Mar 13 09:03:44 testsytem kernel: [ 8.208072] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Mar 13 09:03:44 testsytem kernel: [ 8.208483] CR2: 0000000000000058 CR3:
000000042d31c000 CR4: 0000000000060770
Mar 13 09:03:44 testsytem kernel: [ 8.208954] Stack:
Mar 13 09:03:44 testsytem kernel: [ 8.209371] ffff8800bb3b3df0
0000000000000002 ffff88042d3b7b08 ffff88042e0bc800
Mar 13 09:03:44 testsytem kernel: [ 8.209805] ffff88042d3b7b50
0000000000000002 ffff88042d3b7bd4 ffffffffa04aaac3
Mar 13 09:03:44 testsytem kernel: [ 8.210239] ffff88042d3b7be0
ffff88042d4d5ac0 0000000000000246 ffffffff8153690f
Mar 13 09:03:44 testsytem kernel: [ 8.210676] Call Trace:
Mar 13 09:03:44 testsytem kernel: [ 8.211114] [<ffffffffa04aaac3>] ?
smb3_calc_signature+0x93/0x2b0 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.211560] [<ffffffff8153690f>] ?
__schedule+0x23f/0x740
Mar 13 09:03:44 testsytem kernel: [ 8.212013] [<ffffffffa04aafd8>] ?
smb2_setup_request+0xb8/0x190 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.212467] [<ffffffffa049a212>] ?
SendReceive2+0xd2/0x450 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.212923] [<ffffffffa04aeaaf>] ?
SMB2_ioctl+0x13f/0x320 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.213379] [<ffffffffa04aed9c>] ?
smb3_validate_negotiate+0x10c/0x320 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.213832] [<ffffffffa04ac83d>] ?
SMB2_tcon+0x29d/0x4f0 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.214278] [<ffffffffa0482500>] ?
cifs_get_tcon+0x1c0/0x430 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.214721] [<ffffffffa0484ea8>] ?
cifs_mount+0x6b8/0xe00 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.215171] [<ffffffffa047080b>] ?
cifs_do_mount+0xfb/0x5c0 [cifs]
Mar 13 09:03:44 testsytem kernel: [ 8.215608] [<ffffffff81193bd6>] ?
alloc_pages_current+0xa6/0x160
Mar 13 09:03:44 testsytem kernel: [ 8.216035] [<ffffffff811bb79b>] ?
mount_fs+0x3b/0x1c0
Mar 13 09:03:44 testsytem kernel: [ 8.216451] [<ffffffff811d6f32>] ?
vfs_kern_mount+0x62/0x110
Mar 13 09:03:44 testsytem kernel: [ 8.216856] [<ffffffff811d99ea>] ?
do_mount+0x22a/0xc90
Mar 13 09:03:44 testsytem kernel: [ 8.217249] [<ffffffff811da773>] ?
SyS_mount+0xa3/0xf0
Mar 13 09:03:44 testsytem kernel: [ 8.217631] [<ffffffff8153ae1c>] ?
system_call_fast_compare_end+0x1c/0x21
Mar 13 09:03:44 testsytem kernel: [ 8.218018] Code: cf 8b 10 e8 97 91 04 00 31 c0
c3 0f 1f 40 00 66 66 66 66 90 41 57 41 56 41 89 d6 41 55 41 54 49 89 f4 55 53 48 89
fd 48 83 ec 08 <4c> 8b 6f 58 41 8b 5d 2c 48 85 de 74 5f 48 89 df 89 d2 be d0 00
Mar 13 09:03:44 testsytem kernel: [ 8.219585] RSP <ffff88042d3b7a68>
Mar 13 09:03:44 testsytem kernel: [ 8.219943] CR2: 0000000000000058
Mar 13 09:03:44 testsytem kernel: [ 8.220331] ---[ end trace
9af512a4499c4e7f ]---
The cifs-utils are 2:6.4-1.
If I switch from vers=3.0 to vers=2.1, everything works again.
Shade and sweet water!
Stephan
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