memory leak in hwsim_add

Title	Replies (including bot)	Last reply
[PATCH 5.13 000/800] 5.13.2-rc1 review	840 (840)	2021/07/28 17:46
[PATCH 4.19 000/421] 4.19.198-rc1 review	423 (423)	2021/07/19 16:00
[PATCH 5.10 000/593] 5.10.50-rc1 review	615 (615)	2021/07/16 05:18
[PATCH 5.12 000/700] 5.12.17-rc1 review	708 (708)	2021/07/13 21:37
[PATCH 5.4 000/348] 5.4.132-rc1 review	354 (354)	2021/07/12 18:54
[PATCH v2] ieee802154: hwsim: Fix memory leak in hwsim_add_one	3 (3)	2021/06/22 19:21
Suggestions on how to debug kernel crashes where printk and gdb both does not work	12 (12)	2021/06/16 02:11
[PATCH] ieee802154: hwsim: Fix memory leak in hwsim_add_one	1 (1)	2021/06/15 11:24
[syzbot] memory leak in hwsim_add_one	0 (1)	2021/06/07 15:45

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in hwsim_add_one (2) wpan input usb	syz			1	441d	437d	0/28	auto-obsoleted due to no activity on 2024/07/11 06:56

upstream

memory leak in hwsim_add_one (2) wpan input usb

syz

441d

437d

0/28

auto-obsoleted due to no activity on 2024/07/11 06:56

Created	Duration	User	Patch	Repo	Result
2021/06/15 09:28	21m	mudongliangabcd@gmail.com	patch	upstream	OK
2021/06/14 18:57	8m	chouhan.shreyansh630@gmail.com		upstream	report log

Created

Duration

User

Patch

Repo

Result

2021/06/15 09:28

21m

mudongliangabcd@gmail.com

patch

upstream

2021/06/14 18:57

chouhan.shreyansh630@gmail.com

upstream

report log

Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program BUG: memory leak unreferenced object 0xffff8881020ec480 (size 64): comm "swapper/0", pid 1, jiffies 4294937719 (age 53.000s) hex dump (first 32 bytes): 60 5d 7c 06 81 88 ff ff c0 17 65 04 81 88 ff ff `]|.......e..... 80 35 12 42 81 88 ff ff 80 35 12 42 81 88 ff ff .5.B.....5.B.... backtrace: [<ffffffff82b09f12>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff82b09f12>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff82b09f12>] hwsim_alloc_edge.constprop.0+0x22/0x80 drivers/net/ieee802154/mac802154_hwsim.c:385 [<ffffffff82b0b0f3>] hwsim_subscribe_all_others drivers/net/ieee802154/mac802154_hwsim.c:709 [inline] [<ffffffff82b0b0f3>] hwsim_add_one+0x3b3/0x640 drivers/net/ieee802154/mac802154_hwsim.c:802 [<ffffffff82b0b3c4>] hwsim_probe+0x44/0xd0 drivers/net/ieee802154/mac802154_hwsim.c:848 [<ffffffff82628bf1>] platform_probe+0x81/0x120 drivers/base/platform.c:1447 [<ffffffff82625679>] really_probe+0x159/0x500 drivers/base/dd.c:576 [<ffffffff82625aab>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [<ffffffff82626325>] device_driver_attach+0x105/0x110 drivers/base/dd.c:1039 [<ffffffff826263d1>] __driver_attach drivers/base/dd.c:1117 [inline] [<ffffffff826263d1>] __driver_attach+0xa1/0x140 drivers/base/dd.c:1070 [<ffffffff82622459>] bus_for_each_dev+0xa9/0x100 drivers/base/bus.c:305 [<ffffffff826244e0>] bus_add_driver+0x160/0x280 drivers/base/bus.c:622 [<ffffffff82627233>] driver_register+0xc3/0x150 drivers/base/driver.c:171 [<ffffffff874fa3dc>] hwsim_init_module+0xae/0x107 drivers/net/ieee802154/mac802154_hwsim.c:899 [<ffffffff81001083>] do_one_initcall+0x63/0x2e0 init/main.c:1249 [<ffffffff87489873>] do_initcall_level init/main.c:1322 [inline] [<ffffffff87489873>] do_initcalls init/main.c:1338 [inline] [<ffffffff87489873>] do_basic_setup init/main.c:1358 [inline] [<ffffffff87489873>] kernel_init_freeable+0x1f4/0x26e init/main.c:1560 [<ffffffff84359255>] kernel_init+0xc/0x1a7 init/main.c:1447 [<ffffffff810022ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 BUG: memory leak unreferenced object 0xffff8881046517c0 (size 32): comm "swapper/0", pid 1, jiffies 4294937719 (age 53.000s) hex dump (first 32 bytes): ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff82b09f35>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff82b09f35>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff82b09f35>] hwsim_alloc_edge.constprop.0+0x45/0x80 drivers/net/ieee802154/mac802154_hwsim.c:389 [<ffffffff82b0b0f3>] hwsim_subscribe_all_others drivers/net/ieee802154/mac802154_hwsim.c:709 [inline] [<ffffffff82b0b0f3>] hwsim_add_one+0x3b3/0x640 drivers/net/ieee802154/mac802154_hwsim.c:802 [<ffffffff82b0b3c4>] hwsim_probe+0x44/0xd0 drivers/net/ieee802154/mac802154_hwsim.c:848 [<ffffffff82628bf1>] platform_probe+0x81/0x120 drivers/base/platform.c:1447 [<ffffffff82625679>] really_probe+0x159/0x500 drivers/base/dd.c:576 [<ffffffff82625aab>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [<ffffffff82626325>] device_driver_attach+0x105/0x110 drivers/base/dd.c:1039 [<ffffffff826263d1>] __driver_attach drivers/base/dd.c:1117 [inline] [<ffffffff826263d1>] __driver_attach+0xa1/0x140 drivers/base/dd.c:1070 [<ffffffff82622459>] bus_for_each_dev+0xa9/0x100 drivers/base/bus.c:305 [<ffffffff826244e0>] bus_add_driver+0x160/0x280 drivers/base/bus.c:622 [<ffffffff82627233>] driver_register+0xc3/0x150 drivers/base/driver.c:171 [<ffffffff874fa3dc>] hwsim_init_module+0xae/0x107 drivers/net/ieee802154/mac802154_hwsim.c:899 [<ffffffff81001083>] do_one_initcall+0x63/0x2e0 init/main.c:1249 [<ffffffff87489873>] do_initcall_level init/main.c:1322 [inline] [<ffffffff87489873>] do_initcalls init/main.c:1338 [inline] [<ffffffff87489873>] do_basic_setup init/main.c:1358 [inline] [<ffffffff87489873>] kernel_init_freeable+0x1f4/0x26e init/main.c:1560 [<ffffffff84359255>] kernel_init+0xc/0x1a7 init/main.c:1447 [<ffffffff810022ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294