[LU-17212] sanity-sec test_36: crash

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.16.0
• Labels: gss patch sec
• Severity: 3
• Assignee: Sebastien Buisson
• Reporter: Sebastien Buisson

Description

Client crashes with the following:

Lustre: DEBUG MARKER: mount -t lustre -o user_xattr,flock,test_dummy_encryption,skpath=/tmp/test-framework-keys trevis-66vm6@tcp:/lustre /mnt/lustre
Lustre: Test dummy encryption mode enabled
Lustre: DEBUG MARKER: grep -c /mnt/lustre' ' /proc/mounts
Lustre: DEBUG MARKER: lsof -t /mnt/lustre
Lustre: DEBUG MARKER: umount  /mnt/lustre 2>&1
LustreError: 588361:0:(gss_cli_upcall.c:296:gss_do_ctx_init_rpc()) import has been deactivated
Lustre: 588408:0:(gss_keyring.c:1039:flush_spec_ctx_cache_kr()) flush busy ctx 00000000ceae75f0(0->lustre-OST0002_UUID, extra ref 1)
LustreError: 588365:0:(gss_cli_upcall.c:259:gss_do_ctx_init_rpc()) no such obd lustre-OST0005-osc-ffff95a585165000
LustreError: 588365:0:(gss_cli_upcall.c:259:gss_do_ctx_init_rpc()) Skipped 6 previous similar messages
BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
CPU: 1 PID: 588359 Comm: lgss_keyring  4.18.0-477.27.1.el8_8.x86_64 #1
RIP: 0010:gss_do_ctx_init_rpc+0x84e/0x1100 [ptlrpc_gss]
Call Trace:
 gss_proc_write_secinit+0x14/0x60 [ptlrpc_gss]
 full_proxy_write+0x53/0x80
 vfs_write+0xa5/0x1b0
 ksys_write+0x4f/0xb0
 do_syscall_64+0x5b/0x1b0