syzbot


WARNING in drm_mode_create_lease_ioctl

Status: upstream: reported C repro on 2024/06/29 12:06
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+486347b4e9104ee3af51@syzkaller.appspotmail.com
First crash: 2d22h, last: 1d05h
Bug presence (1)
Date Name Commit Repro Result
2024/07/01 upstream (ToT) 22a40d14b572 C [report] WARNING in drm_mode_create_lease_ioctl
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in drm_mode_create_lease_ioctl origin:upstream C 6 1d06h 2d22h 0/3 upstream: reported C repro on 2024/06/29 12:04
upstream WARNING in drm_mode_create_lease_ioctl dri C 14 5h52m 5d13h 0/27 upstream: reported C repro on 2024/06/26 21:05

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3542 at mm/page_alloc.c:5523 __alloc_pages+0x3b7/0x770 mm/page_alloc.c:5523
Modules linked in:
CPU: 1 PID: 3542 Comm: syz-executor325 Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__alloc_pages+0x3b7/0x770 mm/page_alloc.c:5523
Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 a8 52 89 0c 01 <0f> 0b 41 83 fc 0a 0f 86 1e fd ff ff 45 31 e4 48 c7 44 24 20 0e 36
RSP: 0018:ffffc900039ef8a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900039ef928
RBP: ffffc900039ef9b8 R08: dffffc0000000000 R09: ffffc900039ef900
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000b
R13: 0000000000040dc0 R14: 1ffff9200073df1c R15: 1ffff9200073df18
FS:  0000555557106380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000203d0000 CR3: 000000004bfc0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1096
 __do_kmalloc_node mm/slab_common.c:943 [inline]
 __kmalloc+0x118/0x230 mm/slab_common.c:968
 kmalloc_array include/linux/slab.h:608 [inline]
 kcalloc include/linux/slab.h:639 [inline]
 fill_object_idr drivers/gpu/drm/drm_lease.c:386 [inline]
 drm_mode_create_lease_ioctl+0x988/0x1960 drivers/gpu/drm/drm_lease.c:519
 drm_ioctl_kernel+0x345/0x4f0 drivers/gpu/drm/drm_ioctl.c:788
 drm_ioctl+0x618/0x9f0 drivers/gpu/drm/drm_ioctl.c:891
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5724e81129
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd24c482c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd24c48498 RCX: 00007f5724e81129
RDX: 00000000200003c0 RSI: 00000000c01864c6 RDI: 0000000000000003
RBP: 00007f5724ef4610 R08: 0023647261632f69 R09: 00007ffd24c48498
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd24c48488 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/01 05:16 linux-6.1.y 99e6a620de00 757f06b1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in drm_mode_create_lease_ioctl
2024/07/01 04:36 linux-6.1.y 99e6a620de00 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:05 linux-6.1.y 99e6a620de00 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in drm_mode_create_lease_ioctl
2024/07/01 05:31 linux-6.1.y 99e6a620de00 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/29 13:15 linux-6.1.y 99e6a620de00 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in drm_mode_create_lease_ioctl
* Struck through repros no longer work on HEAD.