Hi,
Looping fstests generic/412 can trigger this warning resulting a panic.
I'm using the samba server in Fedora Rawhide:
samba x86_64 2:4.19.0-0.4.rc3.fc40
samba-client x86_64 2:4.19.0-0.4.rc3.fc40
------ testparm info ------
samba shares:
Load smb config files from /etc/samba/smb.conf
Loaded services file OK.
Weak crypto is allowed by GnuTLS (e.g. NTLM as a compatibility fallback)
Server role: ROLE_STANDALONE
# Global parameters
[global]
idmap config * : backend = tdb
[test]
path = /export/test
read only = No
[scratch]
path = /export/scratch
read only = No
------ testparm info end------
Mount options is " -o vers=3.11,mfsymlinks"
Kernel version is the latest upstream 6.5.0.
Thanks,
Murphy
[ 841.449048] ./checking generic/412
[ 841.683690] CIFS: Attempting to mount //127.0.0.1/test
[ 841.686211] ------------[ cut here ]------------
[ 841.686863] WARNING: CPU: 5 PID: 60057 at
fs/smb/client/connect.c:2417 cifs_put_tcon.part.0+0x281/0x290 [cifs]
[ 841.688364] Modules linked in: nls_utf8 cifs cifs_arc4 cifs_md4
dns_resolver fscache netfs rfkill intel_rapl_msr intel_rapl_common
sunrpc sb_edac x86_pkg_temp_thermal intel_powerclamp ipmi_ssif
coretemp kvm_intel kvm irqbypass iTCO_wdt acpi_ipmi ipmi_si rapl
intel_pmc_bxt i2c_i801 iTCO_vendor_support intel_cstate ipmi_devintf
intel_uncore hpilo lpc_ich ioatdma i2c_smbus ipmi_msghandler igb
pcspkr acpi_power_meter acpi_tad dca fuse loop zram xfs
crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni
polyval_generic ghash_clmulni_intel sha512_ssse3 serio_raw mgag200
hpwdt i2c_algo_bit wmi
[ 841.690949] CPU: 5 PID: 60057 Comm: mount.cifs Not tainted 6.5.0 #1
[ 841.691682] Hardware name: HP ProLiant DL80 Gen9/ProLiant DL80
Gen9, BIOS U15 10/21/2019
[ 841.692086] RIP: 0010:cifs_put_tcon.part.0+0x281/0x290 [cifs]
[ 841.693113] Code: e8 48 c7 c1 b0 3d d9 c0 48 c7 c2 e0 a5 e2 c0 41
89 c1 48 c7 c6 08 5b df c0 48 c7 c7 70 7e cd c0 e8 14 d7 c6 d9 e9 45
fe ff ff <0f> 0b e9 c5 fd ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90
90 90
[ 841.694452] RSP: 0018:ffffb7bf40f73c68 EFLAGS: 00010286
[ 841.694731] RAX: 00000000ffffffff RBX: ffff9da3c5889800 RCX: 0000000000000000
[ 841.695470] RDX: 0000000000000001 RSI: ffff9da42f092c00 RDI: ffff9da3c5889828
[ 841.696221] RBP: ffff9da3c5889828 R08: 000000000000000a R09: 0000000000000000
[ 841.696988] R10: ffff9da42da78c40 R11: 0000000000000100 R12: ffff9da3d863a800
[ 841.697804] R13: ffff9da3c5889800 R14: ffff9da42486ee40 R15: ffff9da42f092c00
[ 841.698692] FS: 00007f91e9a06780(0000) GS:ffff9da537940000(0000)
knlGS:0000000000000000
[ 841.699098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 841.699807] CR2: 00007f9435193540 CR3: 0000000101024002 CR4: 00000000001706e0
[ 841.700589] Call Trace:
[ 841.700738] <TASK>
[ 841.701227] ? cifs_put_tcon.part.0+0x281/0x290 [cifs]
[ 841.701718] ? __warn+0x81/0x130
[ 841.702376] ? cifs_put_tcon.part.0+0x281/0x290 [cifs]
[ 841.702864] ? report_bug+0x171/0x1a0
[ 841.703069] ? handle_bug+0x3c/0x80
[ 841.703706] ? exc_invalid_op+0x17/0x70
[ 841.703923] ? asm_exc_invalid_op+0x1a/0x20
[ 841.704122] ? cifs_put_tcon.part.0+0x281/0x290 [cifs]
[ 841.704626] ? cifs_put_tcon.part.0+0x36/0x290 [cifs]
[ 841.705112] cifs_put_tlink+0x49/0x70 [cifs]
[ 841.706092] cifs_match_super+0x10f/0x3d0 [cifs]
[ 841.707020] ? __pfx_cifs_match_super+0x10/0x10 [cifs]
[ 841.707504] sget+0x1c1/0x2b0
[ 841.708065] ? __pfx_cifs_set_super+0x10/0x10 [cifs]
[ 841.708554] cifs_smb3_do_mount+0x217/0x760 [cifs]
[ 841.709679] smb3_get_tree+0xce/0x280 [cifs]
[ 841.710598] vfs_get_tree+0x29/0xf0
[ 841.711201] path_mount+0x4a3/0xae0
[ 841.711968] __x64_sys_mount+0x11a/0x150
[ 841.712217] do_syscall_64+0x60/0x90
[ 841.712412] ? count_memcg_events.constprop.0+0x1a/0x30
[ 841.712673] ? handle_mm_fault+0x9e/0x350
[ 841.712878] ? do_user_addr_fault+0x179/0x640
[ 841.713501] ? exc_page_fault+e fa 49 89 ca b8 a5 00 00 00 0f 05
<48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b2 12 12 00 f7 d8 64 89 01 48
[ 842.214890] RSP: 002b:00007ffe6c404078 EFLAGS: 00000246 ORIG_RAX:
00000000000000a5
[ 842.215693] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f91e9716b4e
[ 842.216624] RDX: 0000559bb88a1476 RSI: 0000559bb88a14dc RDI: 00007ffe6c405152
[ 842.217396] RBP: 00007ffe6c404130 R08: 0000559bb9a20eb0 R09: 0000000000000000
[ 842.218180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bb88a103f
[ 842.218944] R13: 0000559bb9a21f10 R14: 00007ffe6c405152 R15: 00007f91e9a17000
[ 842.220193] </TASK>
[ 842.220429] ---[ end trace 0000000000000000 ]---
[ 842.221077] BUG: scheduling while atomic: mount.cifs/60057/0x00000002
[ 842.221455] Modules linked in: nls_utf8 cifs cifs_arc4 cifs_md4
dns_resolver fscache netfs rfkill intel_rapl_msr intel_rapl_common
sunrpc sb_edac x86_pkg_temp_thermal intel_powerclamp ipmi_ssif
coretemp kvm_intel kvm irqbypass iTCO_wdt acpi_ipmi ipmi_si rapl
intel_pmc_bxt i2c_i801 iTCO_vendor_support intel_cstate ipmi_devintf
intel_uncore hpilo lpc_ich ioatdma i2c_smbus ipmi_msghandler s
Tainted: G W 6.5.0 #1
[ 842.723585] Hardware name: HP ProLiant DL80 Gen9/ProLiant DL80
Gen9, BIOS U15 10/21/2019
[ 842.723995] Call Trace:
[ 842.724128] <TASK>
[ 842.724679] dump_stack_lvl+0x47/0x60
[ 842.724901] __schedule_bug+0x56/0x70
[ 842.725092] __schedule+0x106a/0x14c0
[ 842.725313] schedule+0x5e/0xd0
[ 842.725970] wait_for_response+0x96/0xe0 [cifs]
[ 842.726771] ? __pfx_autoremove_wake_function+0x10/0x10
[ 842.727054] compound_send_recv+0x461/0xa90 [cifs]
[ 842.727941] ? mempool_alloc+0x89/0x1b0
[ 842.728181] cifs_send_recv+0x23/0x30 [cifs]
[ 842.729037] SMB2_tdis+0x2b9/0x3c0 [cifs]
[ 842.729460] ? cifs_put_tcon.part.0+0xe7/0x290 [cifs]
[ 842.729966] cifs_put_tcon.part.0+0xe7/0x290 [cifs]
[ 842.730750] cifs_put_tlink+0x49/0x70 [cifs]
[ 842.731547] cifs_match_super+0x10f/0x3d0 [cifs]
[ 842.732541] ? __pfx_cifs_match_super+0x10/0x10 [cifs]
[ 842.733097] sget+0x1c1/0x2b0
[ 842.733678] ? __pfx_cifs_set_super+0x10/0x10 [cifs]
[ 842.734213] cifs_smb3_do_mount+0x217/0x760 [cifs]
[ 842.735003] smb3_get_tree+0xce/0x280 [cifs]
[ 842.735778] vfs_get_tree+0x29/0xf0
[ 842.736355] path_mount+0x4a3/0xae0
[ 842.736993] __ault+0x179/0x640
[ 843.237833] ? exc_page_fault+0x7f/0x180
[ 843.238050] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 843.238334] RIP: 0033:0x7f91e9716b4e
[ 843.238527] Code: 48 8b 0d e5 12 12 00 f7 d8 64 89 01 48 83 c8 ff
c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b2 12 12 00 f7 d8 64 89
01 48
[ 843.239814] RSP: 002b:00007ffe6c404078 EFLAGS: 00000246 ORIG_RAX:
00000000000000a5
[ 843.240749] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f91e9716b4e
[ 843.241566] RDX: 0000559bb88a1476 RSI: 0000559bb88a14dc RDI: 00007ffe6c405152
[ 843.242321] RBP: 00007ffe6c404130 R08: 0000559bb9a20eb0 R09: 0000000000000000
[ 843.243103] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bb88a103f
[ 843.244140] R13: 0000559bb9a21f10 R14: 00007ffe6c405152 R15: 00007f91e9a17000
[ 843.245109] </TASK>
[ 843.245363] ------------[ cut here ]------------
[ 843.246039] kernel BUG at mm/slub.c:440!
[ 843.246277] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 843.246533] CPU: 11 PID: 60057 Comm: mount.cifs Tainted: G W
6.5.0 #1
[ 843.246914] Hardware name: HP ProLiant DL80 Gen9/ProLiant DL80
Gen9, BIOS U15 10/21/2019
[ 843.247319] RIP: 0010:__slab_free+0x152/0x330
[ 843.248097] Code: 8b 06 48 89 0c 24 48 c1 e8 36 48 8b 84 c3 d8 00
00 00 48 89 c7 48 89 44 24 20 e8 29 97 bc 00 48 8b 0c 24 48 89 44 24
08 eb 87 <0f> 0b f7 43 08 00 0d 21 00 75 ca eb c3 f7 43 08 00 0d 21 00
0f 84
[ 843.249649] RSP: 0018:ffffb7bf40f73b30 EFLAGS: 00010246
[ 843.249935] RAX: ffff9da3c5903390 RBX: ffff9da3c0042400 R[
843.730400] R10: ffffb7bf40f73c68 R11: 0000000000000100 R12:
ffff9da3c5903380
[ 843.751313] R13: ffff9da3c5903380 R14: fffff4aa441640c0 R15: dead000000000100
[ 843.752078] FS: 00007f91e9a06780(0000) GS:ffff9da537ac0000(0000)
knlGS:0000000000000000
[ 843.752526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 843.753228] CR2: 000055bad95f8290 CR3: 0000000101024003 CR4: 00000000001706e0
[ 843.754224] Call Trace:
[ 843.754417] <TASK>
[ 843.754909] ? die+0x36/0x90
[ 843.755472] ? do_trap+0xda/0x100
[ 843.756140] ? __slab_free+0x152/0x330
[ 843.756354] ? do_error_trap+0x6a/0x90
[ 843.756548] ? __slab_free+0x152/0x330
[ 843.756738] ? exc_invalid_op+0x50/0x70
[ 843.756929] ? __slab_free+0x152/0x330
[ 843.757117] ? asm_exc_invalid_op+0x1a/0x20
[ 843.757332] ? free_cached_dirs+0x14d/0x180 [cifs]
[ 843.758125] ? __slab_free+0x152/0x330
[ 843.758347] free_cached_dirs+0x14d/0x180 [cifs]
[ 843.759105] tconInfoFree+0x29/0x130 [cifs]
[ 843.759468] cifs_put_tcon.part.0+0xfe/0x290 [cifs]
[ 843.760219] cifs_put_tlink+0x49/0x70 [cifs]
[ 843.760956] cifs_match_super+0x10f/0x3d0 [cifs]
[ 843.761722] ? __pfx_cifs_match_super+0x10/0x10 [cifs]
[ 843.762133] sget+0x1c1/0x2b0
[ 843.762674] ? __pfx_cifs_set_super+0x10/0x10 [cifs]
[ 843.763081] cifs_smb3_do_m__x64_sys_mount+0x11a/0x150
[ 844.263687] do_syscall_64+0x60/0x90
[ 844.263878] ? count_memcg_events.constprop.0+0x1a/0x30
[ 844.264122] ? handle_mm_fault+0x9e/0x350
[ 844.264375] ? do_user_addr_fault+0x179/0x640
[ 844.264965] ? exc_page_fault+0x7f/0x180
[ 844.265185] entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[ 844.265441] RIP: 0033:0x7f91e9716b4e
[ 844.265644] Code: 48 8b 0d e5 12 12 00 f7 d8 64 89 01 48 83 c8 ff
c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b2 12 12 00 f7 d8 64 89
01 48
[ 844.266922] RSP: 002b:00007ffe6c404078 EFLAGS: 00000246 ORIG_RAX:
00000000000000a5
[ 844.267666] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f91e9716b4e
[ 844.268380] RDX: 0000559bb88a1476 RSI: 0000559bb88a14dc RDI: 00007ffe6c405152
[ 844.269096] RBP: 00007ffe6c404130 R08: 0000559bb9a20eb0 R09: 0000000000000000
[ 844.269844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bb88a103f
[ 844.270587] R13: 0000559bb9a21f10 R14: 00007ffe6c405152 R15: 00007f91e9a17000
[ 844.271299] </TASK>
[ 844.271434] Modules linked in: nls_utf8 cifs cifs_arc4 cifs_md4
dns_resolver fscache nec_smbus ipmi_msghandler igb pcspkr
acpi_power_meter acpi_tad dca fuse loop zram xfs crct10dif_pclmul
crc32_pclmul crc32c_intel polyval_clmulni polyval_generic
ghash_clmulni_intel sha512_ssse3 serio_raw mgag200 hpwdt i2c_algo_bit
wmi
[ 844.773065] ---[ end trace 0000000000000000 ]---
[ 844.775279] pstore: backend (erst) writing error (-28)
[ 844.775585] RIP: 0010:__slab_free+0x152/0x330
[ 844.776201] Code: 8b 06 48 89 0c 24 48 c1 e8 36 48 8b 84 c3 d8 00
00 00 48 89 c7 48 89 44 24 20 e8 29 97 bc 00 48 8b 0c 24 48 89 44 24
08 eb 87 <0f> 0b f7 43 08 00 0d 21 00 75 ca eb c3 f7 43 08 00 0d 21 00
0f 84
[ 844.777437] RSP: 0018:ffffb7bf40f73b30 EFLAGS: 00010246
[ 844.777726] RAX: ffff9da3c5903390 RBX: ffff9da3c0042400 RCX: 0000000080800072
[ 844.778433] RDX: fffffffe8ef03380 RSI: ffff9da3c5903380 RDI: ffffb7bf40f73ba0
[ 844.779152] RBP: ffffb7bf40f73bd0 R08: 0000000000000001 R09: ffffffffc0c5d96d
[ 844.779900] R10: ffffb7bf40f73c68 R11: 0000000000000100 R12: ffff9da3c5903380
[ 844.780671] R13: ffff9da3c5903380 R14: fffff4aa441640c0 R15: dead000000000100
[ 844.0101024003 CR4: 00000000001706e0
[ 845.282046] Kernel panic - not syncing: Fatal exception
[ 845.282427] Kernel Offset: 0x19000000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 845.284558] ---[ end Kernel panic - not syncing: Fatal exception ]---
