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authorMalaya Kumar Rout <malayarout91@gmail.com>2026-07-11 20:22:45 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2026-07-23 15:21:13 +0200
commit21d5c4cee31c5ce78f6decc7fafc7e7759af391f (patch)
treec43fd410568ec2a01f88d4cb13021e58d3b83e65 /tools/perf/scripts/python/stackcollapse.py
parent45a7c1077ba759ee59d0549a66ed86e35815e18e (diff)
PM: hibernate: Fix memory leak in snapshot_write_next() error path
When memory_bm_create() succeeds for copy_bm but fails for zero_bm, the function returns without freeing the resources allocated for copy_bm. This results in a memory leak that includes radix tree nodes, zone structures, and page lists. Fix this by calling memory_bm_free() to release copy_bm's resources before returning the error code when zero_bm allocation fails. Fixes: 005e8dddd497 ("PM: hibernate: don't store zero pages in the image file") Signed-off-by: Malaya Kumar Rout <malayarout91@gmail.com> Acked-by: Brian Geffon <bgeffon@google.com> Link: https://patch.msgid.link/20260711145246.8625-1-malayarout91@gmail.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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