loop0: detected capacity change from 0 to 512
EXT4-fs: Ignoring removed bh option
EXT4-fs error (device loop0): __ext4_iget:4984: inode #15: block 1803188595: comm syz.0.0: invalid block
EXT4-fs error (device loop0): ext4_orphan_get:1394: comm syz.0.0: couldn't read orphan inode 15 (err -117)
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
netlink: 8 bytes leftover after parsing attributes in process `syz.0.0'.
netlink: 40 bytes leftover after parsing attributes in process `syz.0.0'.
batman_adv: Cannot find parent device. Skipping batadv-on-batadv check for ip6gretap1
Zero length message leads to an empty skb
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5317 at mm/page_alloc.c:4727 __alloc_pages_noprof+0x3c5/0x710 mm/page_alloc.c:4727
Modules linked in:
CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00026-g59dbb9d81adf #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__alloc_pages_noprof+0x3c5/0x710 mm/page_alloc.c:4727
Code: ff df 0f 85 09 01 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 f9 00 00 00 c6 05 97 b1 0b 0e 01 90 <0f> 0b 90 41 83 fc 0a 0f 86 13 fd ff ff 45 31 e4 48 c7 44 24 20 0e
RSP: 0018:ffffc9000d3578c0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d357948
RBP: ffffc9000d3579d8 R08: ffffc9000d357947 R09: 0000000000000000
R10: ffffc9000d357920 R11: fffff52001a6af29 R12: 0000000000000014
R13: 0000000000040cc0 R14: 1ffff92001a6af20 R15: 1ffff92001a6af1c
FS:  00007efef9c176c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efef9bf5740 CR3: 00000000432e2000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 ___kmalloc_large_node+0x8b/0x1d0 mm/slub.c:4243
 __kmalloc_large_node_noprof+0x1a/0x80 mm/slub.c:4270
 __do_kmalloc_node mm/slub.c:4286 [inline]
 __kmalloc_noprof+0x339/0x4c0 mm/slub.c:4310
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kmalloc_array_noprof include/linux/slab.h:946 [inline]
 drm_syncobj_array_find+0x3a/0x460 drivers/gpu/drm/drm_syncobj.c:1269
 drm_syncobj_wait_ioctl+0x274/0x630 drivers/gpu/drm/drm_syncobj.c:1340
 drm_ioctl_kernel+0x337/0x440 drivers/gpu/drm/drm_ioctl.c:796
 drm_ioctl+0x60e/0xad0 drivers/gpu/drm/drm_ioctl.c:893
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efef8d85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efef9c17038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efef8f75fa0 RCX: 00007efef8d85d29
RDX: 0000000020000400 RSI: 00000000c02864c3 RDI: 000000000000000c
RBP: 00007efef8e01a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efef8f75fa0 R15: 00007ffd8e120e18
 </TASK>