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Bug #7730
closedlibzfs`add_config() leaks config nvl when reading spare/l2cache devices
Start date:
2017-01-05
Due date:
% Done:
100%
Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:
Description
antares:root:~# mdb /usr/sbin/zpool > ::sysbp _exit > ::run import pool: data id: 2093977168778024605 state: ONLINE action: The pool can be imported using its name or numeric identifier. config: data ONLINE c6t0d0 ONLINE c6t1d0 ONLINE cache c6t2d0 mdb: stop on entry to _exit mdb: target stopped at: 0xfee556ba: nop mdb: You've got symbols! Loading modules: [ ld.so.1 libumem.so.1 libc.so.1 libtopo.so.1 libavl.so.1 libnvpair.so.1 ] > ::findleaks -d BYTES LEAKED VMEM_SEG CALLER 4096 10 fda7b000 MMAP 8192 1 fea8d000 MMAP 8192 1 fe76d000 MMAP 8192 1 fe66e000 MMAP 4096 1 fe570000 MMAP 8192 1 fe470000 MMAP 4096 1 fe372000 MMAP 4096 1 fe273000 MMAP 8192 1 fe173000 MMAP 4096 1 fde77000 MMAP ------------------------------------------------------------------------ Total 10 oversized leaks, 61440 bytes CACHE LEAKED BUFCTL CALLER 080cb590 1 080f6010 libnvpair.so.1`nv_alloc_sys+0x1b 080cb590 1 080f6088 libnvpair.so.1`nv_alloc_sys+0x1b 080cd590 3 082a33f8 libnvpair.so.1`nv_alloc_sys+0x1b ------------------------------------------------------------------------ Total 5 buffers, 208 bytes mmap(2) leak: [fda7b000, fda7c000), 4096 bytes mmap(2) leak: [fea8d000, fea8f000), 8192 bytes mmap(2) leak: [fe76d000, fe76f000), 8192 bytes mmap(2) leak: [fe66e000, fe670000), 8192 bytes mmap(2) leak: [fe570000, fe571000), 4096 bytes mmap(2) leak: [fe470000, fe472000), 8192 bytes mmap(2) leak: [fe372000, fe373000), 4096 bytes mmap(2) leak: [fe273000, fe274000), 4096 bytes mmap(2) leak: [fe173000, fe175000), 8192 bytes mmap(2) leak: [fde77000, fde78000), 4096 bytes umem_alloc_32 leak: 1 buffer, 32 bytes ADDR BUFADDR TIMESTAMP THREAD CACHE LASTLOG CONTENTS 80f6010 80f2c38 5cc3c226dbb 9 80cb590 809b190 0 libumem.so.1`umem_cache_alloc_debug+0x1fe libumem.so.1`umem_cache_alloc+0x18f libumem.so.1`umem_alloc+0x50 libumem.so.1`umem_malloc+0x36 libnvpair.so.1`nv_alloc_sys+0x1b libnvpair.so.1`nv_priv_alloc+0x13 libnvpair.so.1`nvlist_xalloc+0x1c libnvpair.so.1`nvlist_xunpack+0x34 libnvpair.so.1`nvlist_unpack+0x29 libzfs.so.1`zpool_read_label+0x126 libzfs.so.1`zpool_open_func+0xe3 libc_hwcap2.so.1`tpool_worker+0x1b2 libc_hwcap2.so.1`_thrp_setup+0x88 libc_hwcap2.so.1`_lwp_start umem_alloc_32 leak: 1 buffer, 32 bytes ADDR BUFADDR TIMESTAMP THREAD CACHE LASTLOG CONTENTS 80f6088 80f2c08 5cc3c2285df 9 80cb590 809b1f4 0 libumem.so.1`umem_cache_alloc_debug+0x1fe libumem.so.1`umem_cache_alloc+0x18f libumem.so.1`umem_alloc+0x50 libumem.so.1`umem_malloc+0x36 libnvpair.so.1`nv_alloc_sys+0x1b libnvpair.so.1`nv_mem_zalloc+0x25 libnvpair.so.1`nvlist_xalloc+0x37 libnvpair.so.1`nvlist_xunpack+0x34 libnvpair.so.1`nvlist_unpack+0x29 libzfs.so.1`zpool_read_label+0x126 libzfs.so.1`zpool_open_func+0xe3 libc_hwcap2.so.1`tpool_worker+0x1b2 libc_hwcap2.so.1`_thrp_setup+0x88 libc_hwcap2.so.1`_lwp_start umem_alloc_48 leak: 3 buffers, 48 bytes each, 144 bytes total ADDR BUFADDR TIMESTAMP THREAD CACHE LASTLOG CONTENTS 82a33f8 82a0f80 5cc3c22a29a 9 80cd590 809b258 0 libumem.so.1`umem_cache_alloc_debug+0x1fe libumem.so.1`umem_cache_alloc+0x18f libumem.so.1`umem_alloc+0x50 libumem.so.1`umem_malloc+0x36 libnvpair.so.1`nv_alloc_sys+0x1b libnvpair.so.1`nv_mem_zalloc+0x25 libnvpair.so.1`nvp_buf_alloc+0x19 libnvpair.so.1`nvs_decode_pairs+0x3c libnvpair.so.1`nvs_operation+0x5e libnvpair.so.1`nvs_xdr+0x53 libnvpair.so.1`nvlist_common+0xc5 libnvpair.so.1`nvlist_xunpack+0x53 libnvpair.so.1`nvlist_unpack+0x29 libzfs.so.1`zpool_read_label+0x126 libzfs.so.1`zpool_open_func+0xe3
Related issues
Updated by Electric Monk over 5 years ago
- Status changed from In Progress to Closed
- % Done changed from 50 to 100
git commit 105686550ee9cbf5d033166a8a2a5a763667d436
commit 105686550ee9cbf5d033166a8a2a5a763667d436 Author: Yuri Pankov <yuri.pankov@nexenta.com> Date: 2017-01-13T18:18:20.000Z 7730 libzfs`add_config() leaks config nvl when reading spare/l2cache devices Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Serapheim Dimitropoulos <serapheim@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>
Updated by Yuri Pankov over 5 years ago
- Has duplicate Bug #6120: libzfs leaks a config nvlist for spares and l2arc added
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