From: syzbot <syzbot+b42749a851a47a0f581b-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org>
To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Subject: [syzbot] memory leak in blk_iolatency_init (2)
Date: Sat, 12 Mar 2022 13:45:25 -0800 [thread overview]
Message-ID: <0000000000007414e805da0c5de4@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 79b00034e9dc Merge tag 'drm-fixes-2022-03-11' of git://ano..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15cf8329700000
kernel config: https://syzkaller.appspot.com/x/.config?x=c9e1a3a8e38b9582
dashboard link: https://syzkaller.appspot.com/bug?extid=b42749a851a47a0f581b
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101cc4ee700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1270b5e9700000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b42749a851a47a0f581b-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.480s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.480s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.560s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.560s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.630s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.630s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.700s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.700s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.770s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.770s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.850s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.850s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.920s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 503.920s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fa00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 504.000s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff 38 c8 26 04 81 88 ff ff @]......8.&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
BUG: memory leak
unreferenced object 0xffff888103f8fb00 (size 96):
comm "kworker/u4:0", pid 8, jiffies 4294937736 (age 504.000s)
hex dump (first 32 bytes):
40 5d ca 85 ff ff ff ff c0 c2 26 04 81 88 ff ff @]........&.....
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8228f408>] kmalloc include/linux/slab.h:581 [inline]
[<ffffffff8228f408>] kzalloc include/linux/slab.h:714 [inline]
[<ffffffff8228f408>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
[<ffffffff82285ede>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
[<ffffffff8224b1aa>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
[<ffffffff822647a5>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
[<ffffffff822647a5>] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897
[<ffffffff8277f2b1>] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330
[<ffffffff82780425>] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167
[<ffffffff827812df>] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649
[<ffffffff82781da7>] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
[<ffffffff82781da7>] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713
[<ffffffff82781faf>] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766
[<ffffffff827820d0>] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905
[<ffffffff82782359>] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915
[<ffffffff8127cff4>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
[<ffffffff8126b43f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
[<ffffffff8126bd69>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
[<ffffffff81275725>] kthread+0x125/0x160 kernel/kthread.c:377
[<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches
next reply other threads:[~2022-03-12 21:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-12 21:45 syzbot [this message]
[not found] ` <0000000000007414e805da0c5de4-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-03-13 10:10 ` [syzbot] memory leak in blk_iolatency_init (2) Ming Lei
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0000000000007414e805da0c5de4@google.com \
--to=syzbot+b42749a851a47a0f581b-pl5pbv+gp7p466ipttivnc23woclnbcfal8byrjmmd8@public.gmane.org \
--cc=axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org \
--cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org \
--cc=tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox