syzbot


WARNING in __vmalloc_node_range

Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+7336195c02c1bd2f64e1@syzkaller.appspotmail.com
Fix commit: c680ed46e418 media: dvb-usb: fix wrong definition
First crash: 507d, last: 505d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING: zero-size vmalloc in corrupted C done 1 459d 458d 0/24 closed as dup on 2021/06/24 06:17
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 WARNING in __vmalloc_node_range 2 1044d 1163d 0/3 auto-closed as invalid on 2020/03/14 05:15
android-44 WARNING in __vmalloc_node_range 9 1043d 1203d 0/2 auto-closed as invalid on 2020/03/15 17:57
linux-4.19 WARNING in __vmalloc_node_range 1 1058d 1058d 0/1 auto-closed as invalid on 2020/02/29 17:15
linux-4.14 WARNING in __vmalloc_node_range 1 971d 971d 0/1 auto-closed as invalid on 2020/05/26 06:50
Patch testing requests:
Created Duration User Patch Repo Result
2021/05/06 11:51 17m paskripkin@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/10776/2 OK
2021/05/06 11:24 11m paskripkin@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/10776/1 error

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: -22 (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 93 b7 d9 ff 44 89 fa 44 89 f6 4c 89 ef e8 75 20 07 00 48 89 04 24 e9 be fb ff ff e8 77 b7 d9 ff <0f> 0b 48 c7 04 24 00 00 00 00 e9 63 ff ff ff e8 63 b7 d9 ff 8b 7c
RSP: 0018:ffffc9000007ee30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff8403d464 RCX: 0000000000000000
RDX: ffff888100283680 RSI: ffffffff81673599 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 8000000000000163
R10: ffffffff81672ed2 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: 00007fffeb9f7c40 CR3: 00000001033f2000 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 (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-usb 2021/05/05 17:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d665ea6ea86c 06c27ff5 .config log report syz C WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/07 19:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 83a9d2a05296 f6da8120 .config log report info WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/07 09:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 83a9d2a05296 f6da8120 .config log report info WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/06 20:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8404c9fbc84b 06585184 .config log report info WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/06 11:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8404c9fbc84b 06c27ff5 .config log report info WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/06 04:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d665ea6ea86c 06c27ff5 .config log report info WARNING in __vmalloc_node_range
ci2-upstream-usb 2021/05/05 16:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d665ea6ea86c 06c27ff5 .config log report info WARNING in __vmalloc_node_range
* Struck through repros no longer work on HEAD.