memory leak in __send

Title	Replies (including bot)	Last reply
[PATCH] signal: Prevent sigqueue caching after task got released	5 (5)	2021/06/22 13:59
[syzbot] memory leak in __send_signal	0 (1)	2021/06/06 14:32

Title

Replies (including bot)

Last reply

[PATCH] signal: Prevent sigqueue caching after task got released

5 (5)

2021/06/22 13:59

[syzbot] memory leak in __send_signal

0 (1)

2021/06/06 14:32

2021/06/20 13:51:32 executed programs: 494
2021/06/20 13:51:38 executed programs: 505
2021/06/20 13:51:45 executed programs: 512
2021/06/20 13:51:51 executed programs: 521
BUG: memory leak
unreferenced object 0xffff888103bc6730 (size 80):
  comm "syz-executor.0", pid 14226, jiffies 4295025531 (age 27.810s)
  hex dump (first 32 bytes):
    30 67 bc 03 81 88 ff ff 30 67 bc 03 81 88 ff ff  0g......0g......
    00 00 00 00 00 00 00 00 05 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff812450d6>] __sigqueue_alloc+0xd6/0x240 kernel/signal.c:441
    [<ffffffff81247d31>] __send_signal+0x231/0x600 kernel/signal.c:1155
    [<ffffffff8124b123>] do_send_sig_info+0x63/0xc0 kernel/signal.c:1333
    [<ffffffff8124b4f9>] do_send_specific+0xc9/0xf0 kernel/signal.c:3881
    [<ffffffff8124b5ab>] do_tkill+0x8b/0xb0 kernel/signal.c:3907
    [<ffffffff8124e811>] __do_sys_tkill kernel/signal.c:3942 [inline]
    [<ffffffff8124e811>] __se_sys_tkill kernel/signal.c:3936 [inline]
    [<ffffffff8124e811>] __x64_sys_tkill+0x31/0x50 kernel/signal.c:3936
    [<ffffffff8435622a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	Manager	Title
2021/06/20 16:28	upstream	913ec3c22ef4	aba2b2fb	.config	console log	report	syz	ci-upstream-gce-leak	memory leak in __send_signal
2021/06/06 00:19	upstream	9d32fa5d74b1	500c2339	.config	console log	report	syz	ci-upstream-gce-leak	memory leak in __send_signal
2021/06/02 14:21	upstream	231bc5390667	0740de69	.config	console log	report	syz	ci-upstream-gce-leak	memory leak in __send_signal

Crashes (3):

Assets (help?)