Public bug reported: Windows clients lock up while connecting to the server, and the server logs the following:
``` =============================================================== [2023/05/21 10:08:50.500473, 0] ../../lib/util/fault.c:174(smb_panic_log) INTERNAL ERROR: Signal 11: Segmentation fault in pid 4223 (4.17.7-Ubuntu) [2023/05/21 10:08:50.500476, 0] ../../lib/util/fault.c:178(smb_panic_log) If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting [2023/05/21 10:08:50.500479, 0] ../../lib/util/fault.c:183(smb_panic_log) =============================================================== [2023/05/21 10:08:50.500482, 0] ../../lib/util/fault.c:184(smb_panic_log) PANIC (pid 4223): Signal 11: Segmentation fault in 4.17.7-Ubuntu [2023/05/21 10:08:50.500661, 0] ../../lib/util/fault.c:292(log_stack_trace) BACKTRACE: 32 stack frames: #0 /usr/lib/x86_64-linux-gnu/samba/libgenrand-samba4.so.0(log_stack_trace+0x32) [0x7f33665d04d2] #1 /usr/lib/x86_64-linux-gnu/samba/libgenrand-samba4.so.0(smb_panic+0xd) [0x7f33665d0a8d] #2 /usr/lib/x86_64-linux-gnu/samba/libgenrand-samba4.so.0(+0x1b25) [0x7f33665d0b25] #3 /lib/x86_64-linux-gnu/libc.so.6(+0x3c4b0) [0x7f336623c4b0] #4 /lib/x86_64-linux-gnu/libc.so.6(+0x173b1d) [0x7f3366373b1d] #5 /lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x22) [0x7f336682b7a2] #6 /usr/lib/x86_64-linux-gnu/samba/libcliauth-samba4.so.0(E_md4hash+0x36) [0x7f3366891d56] #7 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(create_volume_objectid+0x53) [0x7f33669bc2a3] #8 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(+0x3c2f8) [0x7f33669972f8] #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(smb2_ioctl_filesys+0x503) [0x7f3366a13393] #10 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(smbd_smb2_request_process_ioctl+0x3f3) [0x7f3366a156d3] #11 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(smbd_smb2_request_dispatch+0x10f2) [0x7f3366a03fa2] #12 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(smbd_smb2_request_dispatch_immediate+0x50) [0x7f3366a055a0] #13 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_immediate_handler+0x182) [0x7f336657b082] #14 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0x1a) [0x7f336657b0aa] #15 /lib/x86_64-linux-gnu/libtevent.so.0(+0xd91f) [0x7f336657e91f] #16 /lib/x86_64-linux-gnu/libtevent.so.0(+0x5eeb) [0x7f3366576eeb] #17 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x95) [0x7f33665792b5] #18 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f33665793cb] #19 /lib/x86_64-linux-gnu/libtevent.so.0(+0x5f5b) [0x7f3366576f5b] #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-samba4.so.0(smbd_process+0x7ec) [0x7f33669f1b4c] #21 /usr/sbin/smbd(+0xa390) [0x556163d14390] #22 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_fd_handler+0x95) [0x7f336657ae45] #23 /lib/x86_64-linux-gnu/libtevent.so.0(+0xdb37) [0x7f336657eb37] #24 /lib/x86_64-linux-gnu/libtevent.so.0(+0x5eeb) [0x7f3366576eeb] #25 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x95) [0x7f33665792b5] #26 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f33665793cb] #27 /lib/x86_64-linux-gnu/libtevent.so.0(+0x5f5b) [0x7f3366576f5b] #28 /usr/sbin/smbd(main+0x148d) [0x556163d1200d] #29 /lib/x86_64-linux-gnu/libc.so.6(+0x23a90) [0x7f3366223a90] #30 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7f3366223b49] #31 /usr/sbin/smbd(_start+0x25) [0x556163d128f5] [2023/05/21 10:08:50.500708, 0] ../../source3/lib/util.c:702(smb_panic_s3) smb_panic(): calling panic action [/usr/share/samba/panic-action 4223] [2023/05/21 10:08:50.501441, 0] ../../source3/lib/util.c:709(smb_panic_s3) smb_panic(): action returned status 0 [2023/05/21 10:08:50.501455, 0] ../../source3/lib/dumpcore.c:317(dump_core) coredump is handled by helper binary specified at /proc/sys/kernel/core_pattern ``` ProblemType: Bug DistroRelease: Ubuntu 23.04 Package: samba 2:4.17.7+dfsg-1ubuntu1 ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6 Uname: Linux 6.2.0-20-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.26.1-0ubuntu2 Architecture: amd64 CasperMD5CheckResult: pass CloudArchitecture: x86_64 CloudID: none CloudName: none CloudPlatform: none CloudSubPlatform: config Date: Sun May 21 10:17:20 2023 InstallationDate: Installed on 2023-05-21 (0 days ago) InstallationMedia: Ubuntu-Server 23.04 "Lunar Lobster" - Release amd64 (20230415) NmbdLog: ProcEnviron: LANG=C.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=tmux-256color SambaServerRegression: Yes SmbConfIncluded: Yes SmbLog: SourcePackage: samba TestparmExitCode: 0 UbuntuFailedConnect: Yes UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: samba (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug lunar -- You received this bug notification because you are a member of Ubuntu Server/Client Support Team, which is subscribed to samba in Ubuntu. Matching subscriptions: Ubuntu Server/Client Support Team https://bugs.launchpad.net/bugs/2020260 Title: Samba seems to panic after enabling and connecting to ZFS backed share To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/2020260/+subscriptions -- Mailing list: https://launchpad.net/~enterprise-support Post to : [email protected] Unsubscribe : https://launchpad.net/~enterprise-support More help : https://help.launchpad.net/ListHelp
