memory leak in process

Title	Replies (including bot)	Last reply
[PATCH 5.1 00/85] 5.1.8-stable review	103 (103)	2019/06/11 08:50
[PATCH 4.19 00/73] 4.19.49-stable review	77 (77)	2019/06/08 18:49
[GIT PULL] tracing: Avoid memory leak in predicate_parse()	2 (2)	2019/05/29 21:45
[PATCH] trace: Avoid memory leak in predicate_parse()	10 (10)	2019/05/28 20:48
memory leak in process_preds	0 (1)	2019/05/28 00:08

e list of known hosts. executing program BUG: memory leak unreferenced object 0xffff88811fb1ee00 (size 512): comm "syz-executor320", pid 7159, jiffies 4294942553 (age 7.920s) hex dump (first 32 bytes): 90 09 31 81 ff ff ff ff 00 00 00 00 00 00 00 00 ..1............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000038eacd1e>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<0000000038eacd1e>] slab_post_alloc_hook mm/slab.h:439 [inline] [<0000000038eacd1e>] slab_alloc mm/slab.c:3326 [inline] [<0000000038eacd1e>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<0000000074de3f6b>] kmalloc include/linux/slab.h:547 [inline] [<0000000074de3f6b>] kzalloc include/linux/slab.h:742 [inline] [<0000000074de3f6b>] parse_pred kernel/trace/trace_events_filter.c:1208 [inline] [<0000000074de3f6b>] predicate_parse kernel/trace/trace_events_filter.c:474 [inline] [<0000000074de3f6b>] process_preds+0x653/0x1780 kernel/trace/trace_events_filter.c:1525 [<0000000007c6ed68>] create_filter+0xa7/0x110 kernel/trace/trace_events_filter.c:1739 [<00000000a0b5fc40>] ftrace_profile_set_filter+0x76/0x120 kernel/trace/trace_events_filter.c:2066 [<000000001229a861>] perf_event_set_filter kernel/events/core.c:9403 [inline] [<000000001229a861>] _perf_ioctl+0x5b6/0x830 kernel/events/core.c:5086 [<00000000fd2b26bf>] perf_ioctl+0x3b/0x60 kernel/events/core.c:5137 [<000000005c40f91e>] vfs_ioctl fs/ioctl.c:46 [inline] [<000000005c40f91e>] file_ioctl fs/ioctl.c:509 [inline] [<000000005c40f91e>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696 [<00000000f34a3a21>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713 [<00000000c96e9e33>] __do_sys_ioctl fs/ioctl.c:720 [inline] [<00000000c96e9e33>] __se_sys_ioctl fs/ioctl.c:718 [inline] [<00000000c96e9e33>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718 [<0000000039965898>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<00000000a08c0d8e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9