Package: samba Version: 2:4.22.0+dfsg-1+b1 Severity: important Dear Maintainer,
Since a recent update of the samba package, samba panics when one client (a HP Color LaserJet Pro MFP M477fdw printer) tries to access a share. Before, this worked without any issue. The panis log: [2025/03/15 23:41:09.323009, 0] source3/smbd/smb2_oplock.c:156(release_file_oplock) PANIC: assert failed at source3/smbd/smb2_oplock.c(156): sconn->oplocks.exclusive_open>=0 [2025/03/15 23:41:09.323109, 0] lib/util/fault.c:178(smb_panic_log) =============================================================== [2025/03/15 23:41:09.323132, 0] lib/util/fault.c:179(smb_panic_log) INTERNAL ERROR: assert failed: sconn->oplocks.exclusive_open>=0 in smbd (smbd[192.168.10) (client [192.168.10.20]) pid 1500210 (4.22.0-Debian-4.22.0+dfsg-1) [2025/03/15 23:41:09.323153, 0] lib/util/fault.c:186(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 [2025/03/15 23:41:09.323190, 0] lib/util/fault.c:191(smb_panic_log) =============================================================== [2025/03/15 23:41:09.323210, 0] lib/util/fault.c:192(smb_panic_log) PANIC (pid 1500210): assert failed: sconn->oplocks.exclusive_open>=0 in 4.22.0-Debian-4.22.0+dfsg-1 [2025/03/15 23:41:09.324071, 0] lib/util/fault.c:303(log_stack_trace) BACKTRACE: 26 stack frames: #0 /usr/lib/x86_64-linux-gnu/samba/libgenrand-private-samba.so.0(log_stack_trace+0x2d) [0x7f9cc1a2e5bd] #1 /usr/lib/x86_64-linux-gnu/samba/libgenrand-private-samba.so.0(smb_panic+0xd) [0x7f9cc1a2e85d] #2 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(release_file_oplock+0xf5) [0x7f9cc1ec3f45] #3 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(close_file_smb+0x6f8) [0x7f9cc1e62ff8] #4 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(+0xc333e) [0x7f9cc1e9c33e] #5 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(smbd_smb2_request_process_close+0x1ee) [0x7f9cc1e9cd7e] #6 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(smbd_smb2_request_dispatch+0x1b04) [0x7f9cc1e8f184] #7 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(+0xb77f2) [0x7f9cc1e907f2] #8 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_fd_handler+0x95) [0x7f9cc1b9c815] #9 /lib/x86_64-linux-gnu/libtevent.so.0(+0xfa76) [0x7f9cc1ba3a76] #10 /lib/x86_64-linux-gnu/libtevent.so.0(+0xd48b) [0x7f9cc1ba148b] #11 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x93) [0x7f9cc1b9b953] #12 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f9cc1b9bc4b] #13 /lib/x86_64-linux-gnu/libtevent.so.0(+0xd41b) [0x7f9cc1ba141b] #14 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base-private-samba.so.0(smbd_process+0x895) [0x7f9cc1e7d0e5] #15 smbd: client [192.168.10.20](+0xa1e7) [0x563947b541e7] #16 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_fd_handler+0x95) [0x7f9cc1b9c815] #17 /lib/x86_64-linux-gnu/libtevent.so.0(+0xfa76) [0x7f9cc1ba3a76] #18 /lib/x86_64-linux-gnu/libtevent.so.0(+0xd48b) [0x7f9cc1ba148b] #19 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x93) [0x7f9cc1b9b953] #20 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f9cc1b9bc4b] #21 /lib/x86_64-linux-gnu/libtevent.so.0(+0xd41b) [0x7f9cc1ba141b] #22 smbd: client [192.168.10.20](main+0x14a0) [0x563947b51330] #23 /lib/x86_64-linux-gnu/libc.so.6(+0x29ca8) [0x7f9cc180cca8] #24 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7f9cc180cd65] #25 smbd: client [192.168.10.20](_start+0x21) [0x563947b51e31] [2025/03/15 23:41:09.324416, 0] source3/lib/util.c:700(call_panic_action) call_panic_action: Calling panic action [/usr/share/samba/panic-action 1500210] [2025/03/15 23:41:09.367958, 0] source3/lib/util.c:723(call_panic_action) call_panic_action: action returned status 0 [2025/03/15 23:41:09.368245, 0] source3/lib/dumpcore.c:316(dump_core) dumping core in /var/log/samba/cores/smbd -- Package-specific info: * /etc/samba/smb.conf present, but not attached -- System Information: Debian Release: trixie/sid APT prefers testing APT policy: (990, 'testing'), (500, 'stable-security'), (500, 'stable'), (400, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 6.12.17-amd64 (SMP w/8 CPU threads; PREEMPT) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages samba depends on: ii init-system-helpers 1.68 ii libbsd0 0.12.2-2 ii libc6 2.41-4 ii libcups2t64 2.4.10-2+b1 ii libdbus-1-3 1.16.2-2 ii libgnutls30t64 3.8.9-2 ii libldap2 2.6.9+dfsg-1 ii libldb2 2:2.11.0+samba4.22.0+dfsg-1+b1 ii libpopt0 1.19+dfsg-2 ii libtalloc2 2:2.4.3+samba4.22.0+dfsg-1+b1 ii libtasn1-6 4.20.0-2 ii libtdb1 2:1.4.13+samba4.22.0+dfsg-1+b1 ii libtevent0t64 2:0.16.2+samba4.22.0+dfsg-1+b1 ii libtirpc3t64 1.3.4+ds-1.3+b1 ii liburing2 2.9-1 ii passwd 1:4.17.3-1 ii procps 2:4.0.4-7 ii samba-common 2:4.22.0+dfsg-1 ii samba-common-bin 2:4.22.0+dfsg-1+b1 ii samba-libs [libndr6] 2:4.22.0+dfsg-1+b1 Versions of packages samba recommends: ii attr 1:2.5.2-3 ii python3-samba 2:4.22.0+dfsg-1+b1 ii samba-ad-dc 2:4.22.0+dfsg-1+b1 Versions of packages samba suggests: pn ctdb <none> pn samba-vfs-ceph <none> pn samba-vfs-glusterfs <none> pn ufw <none> ii winbind 2:4.22.0+dfsg-1+b1
