syzbot


WARNING in drm_mode_create_lease_ioctl

Status: upstream: reported C repro on 2024/06/26 21:05
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+6754751ad05524dae739@syzkaller.appspotmail.com
First crash: 7d15h, last: 1d00h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [dri?] WARNING in drm_mode_create_lease_ioctl 0 (2) 2024/06/28 19:23
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in drm_mode_create_lease_ioctl 2 23h27m 1d00h 0/3 upstream: reported on 2024/06/29 12:06
linux-5.15 WARNING in drm_mode_create_lease_ioctl origin:upstream C 4 23h00m 1d00h 0/3 upstream: reported C repro on 2024/06/29 12:04
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/06/28 19:23 4h31m peili.dev@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci error

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6281 at mm/page_alloc.c:4654 __alloc_pages_noprof+0x324/0x6c0 mm/page_alloc.c:4654
Modules linked in:
CPU: 0 PID: 6281 Comm: syz-executor181 Tainted: G        W          6.10.0-rc3-syzkaller-gac2193b4b460 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_pages_noprof+0x324/0x6c0 mm/page_alloc.c:4654
lr : __alloc_pages_noprof+0xc8/0x6c0 mm/page_alloc.c:4648
sp : ffff800099017600
x29: ffff8000990176f0 x28: ffff800099017620 x27: dfff800000000000
x26: ffff700013202ec4 x25: 0000000000000000 x24: ffff800099017640
x23: 0000000000000000 x22: 0000000000040dc0 x21: 1ffff00013202ec8
x20: ffff800099017660 x19: 000000000000000b x18: ffff8000990176e0
x17: 000000000000c88a x16: ffff80008afa5980 x15: 0000000000000005
x14: 1ffff00013202ecc x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013202ed1 x10: 1ffff00013202ed0 x9 : 0000000000000001
x8 : ffff80009232a000 x7 : 0000000000000000 x6 : ffff0000e07d0900
x5 : ffff0000e07d0900 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff800099017660
Call trace:
 __alloc_pages_noprof+0x324/0x6c0 mm/page_alloc.c:4654
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 __kmalloc_large_node+0xbc/0x200 mm/slub.c:4067
 __do_kmalloc_node mm/slub.c:4110 [inline]
 __kmalloc_noprof+0x360/0x494 mm/slub.c:4135
 kmalloc_noprof include/linux/slab.h:664 [inline]
 kmalloc_array_noprof include/linux/slab.h:699 [inline]
 fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline]
 drm_mode_create_lease_ioctl+0x4b0/0x17e4 drivers/gpu/drm/drm_lease.c:522
 drm_ioctl_kernel+0x26c/0x368 drivers/gpu/drm/drm_ioctl.c:744
 drm_ioctl+0x5e4/0xae4 drivers/gpu/drm/drm_ioctl.c:841
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 14766
hardirqs last  enabled at (14765): [<ffff80008b0693e8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (14765): [<ffff80008b0693e8>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (14766): [<ffff80008b066ee4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (8860): [<ffff8000801ea3cc>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (8860): [<ffff8000801ea3cc>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582
softirqs last disabled at (8855): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/22 21:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:04 upstream 6c0483dbfe72 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:01 upstream de0a9f448633 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:04 upstream de0a9f448633 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5e456a31d1ac 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/22 21:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
* Struck through repros no longer work on HEAD.