syzbot


WARNING: zero-size vmalloc in dvb_dmx_init

Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: c680ed46e418 media: dvb-usb: fix wrong definition
First crash: 638d, last: 574d

Sample crash report:
usb 1-1: media controller created
dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
cxusb: set interface failed
dvb-usb: bulk message failed: -71 (1/0)
DVB: Unable to find symbol mt352_attach()
dvb-usb: no frontend was attached by 'DViCO FusionHDTV DVB-T USB (LGZ201)'
dvbdev: DVB: registering new adapter (DViCO FusionHDTV DVB-T USB (LGZ201))
usb 1-1: media controller created
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7 at mm/vmalloc.c:2873 __vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873
Code: c7 04 24 00 00 00 00 eb 93 e8 a3 9e d9 ff 44 89 fa 44 89 f6 4c 89 ef e8 55 2f 07 00 48 89 04 24 e9 be fb ff ff e8 87 9e d9 ff <0f> 0b 48 c7 04 24 00 00 00 00 e9 63 ff ff ff e8 73 9e d9 ff 8b 7c
RSP: 0018:ffffc9000007ee30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff8403efa4 RCX: 0000000000000000
RDX: ffff888100283680 RSI: ffffffff81674f99 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 8000000000000163
R10: ffffffff816748d2 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90000000000 R14: dffffc0000000000 R15: 00000000ffffffff
FS:  0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d47d764160 CR3: 0000000106fdd000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __vmalloc_node mm/vmalloc.c:2963 [inline]
 vmalloc+0x67/0x80 mm/vmalloc.c:2996
 dvb_dmx_init+0xe4/0xb90 drivers/media/dvb-core/dvb_demux.c:1251
 dvb_usb_adapter_dvb_init+0x564/0x860 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:184
 dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86 [inline]
 dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline]
 dvb_usb_device_init.cold+0xc94/0x146e drivers/media/usb/dvb-usb/dvb-usb-init.c:308
 cxusb_probe+0x159/0x5e0 drivers/media/usb/dvb-usb/cxusb.c:1634
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xf60 drivers/base/dd.c:576
 driver_probe_device+0x298/0x410 drivers/base/dd.c:763
 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4b0 drivers/base/dd.c:938
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbe0/0x2100 drivers/base/core.c:3319
 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xf60 drivers/base/dd.c:576
 driver_probe_device+0x298/0x410 drivers/base/dd.c:763
 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4b0 drivers/base/dd.c:938
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbe0/0x2100 drivers/base/core.c:3319
 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2556
 hub_port_connect drivers/usb/core/hub.c:5276 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5416 [inline]
 port_event drivers/usb/core/hub.c:5562 [inline]
 hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5644
 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x38c/0x460 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Crashes (62):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci2-upstream-usb 2021/05/08 02:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ac077570a42 bc5434be .config console log report syz C WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/07/10 21:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e 8f5a7b8c .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/07/07 05:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e cca78469 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/07/06 11:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e 6c4484eb .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/07/06 05:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e 55aa55c2 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/07/04 12:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e 55aa55c2 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/29 20:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e a4fccb01 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/29 10:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7756f1d6369e 9d2ab5df .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/23 08:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 00a738b86ec0 aba2b2fb .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/23 03:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 00a738b86ec0 aba2b2fb .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/18 15:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b31d9d6d7abb aba2b2fb .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/13 20:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 12f739798470 1ba81399 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/13 12:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 12f739798470 1ba81399 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/11 14:44 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 12f739798470 1ba81399 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/08 03:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 87191ca9f902 b718257f .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/04 18:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 87191ca9f902 966a236b .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/04 01:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ca5ce8252910 0740de69 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/03 13:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ca5ce8252910 0740de69 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/03 00:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5ff90af9da8f 0740de69 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/02 09:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 0740de69 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/02 05:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/02 01:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 23:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 21:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 20:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 13:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 06:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/06/01 04:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/31 11:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/31 09:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aa10fab0f859 032639db .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/30 08:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7652dd2c5cb7 325a8dab .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/29 07:07 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7652dd2c5cb7 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/28 17:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7652dd2c5cb7 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/28 15:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7652dd2c5cb7 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/27 11:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing baabd69492bb 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/27 09:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/27 08:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 858ea628 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/26 07:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 93d3a9f6 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/25 19:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 93d3a9f6 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/25 16:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 93d3a9f6 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/25 10:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/24 21:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/24 16:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a0765597c986 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/24 13:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5cc59c418fde 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/22 20:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5cc59c418fde 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/22 01:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 62d472d8ad88 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/21 12:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/21 00:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 3c7fef33 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/20 06:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a343ba6b .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/18 23:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a343ba6b .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/17 22:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a343ba6b .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/17 13:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a2eb125d .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/17 09:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9fbf82c76414 a2eb125d .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/16 20:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 216e0e563d81 f54a5c09 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/16 09:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 216e0e563d81 f54a5c09 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/16 06:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 216e0e563d81 f54a5c09 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/14 18:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 216e0e563d81 8bdd5343 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/13 13:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4676be28a46e ecb594cb .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/13 04:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4676be28a46e ed7d41c5 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/11 04:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4676be28a46e ca873091 .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/08 03:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ac077570a42 bc5434be .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
ci2-upstream-usb 2021/05/08 02:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ac077570a42 bc5434be .config console log report info WARNING: zero-size vmalloc in dvb_dmx_init
* Struck through repros no longer work on HEAD.