------------[ cut here ]------------
!(flags & __GFP_NOWARN)
WARNING: mm/slub.c:7144 at __kvmalloc_node_noprof+0x793/0x820 mm/slub.c:7144, CPU#0: syz.1.880/8851
Modules linked in:
CPU: 0 UID: 0 PID: 8851 Comm: syz.1.880 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__kvmalloc_node_noprof+0x793/0x820 mm/slub.c:7144
Code: ff 48 c7 c7 b0 b9 29 90 48 89 de e8 c7 b1 f8 02 e9 1b fc ff ff 48 c7 c7 f0 b9 29 90 48 89 de e8 b3 b1 f8 02 e9 4c fc ff ff 90 <0f> 0b 90 31 db e9 06 fe ff ff 90 0f 0b 90 e9 55 ff ff ff 49 83 7f
RSP: 0018:ffffc900069a7ae0 EFLAGS: 00010246
RAX: 0000000000000100 RBX: 0000000000000000 RCX: 8000000000000001
RDX: 0000008000000000 RSI: ffffffff8c8e9b60 RDI: ffffffff8c8e9b20
RBP: 00000000ffffffff R08: 00000000000028c0 R09: 00000000ffffffff
R10: 0000000000000008 R11: ffffffff81b3b350 R12: 0000008000000000
R13: 00000000000028c0 R14: 0000001000000000 R15: ffffffff866c1f79
FS:  00007fe1556536c0(0000) GS:ffff888123409000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe155610ff8 CR3: 000000007ec70000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline]
 udmabuf_create+0x2d9/0xf10 drivers/dma-buf/udmabuf.c:386
 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:465 [inline]
 udmabuf_ioctl+0x1f3/0x300 drivers/dma-buf/udmabuf.c:496
 vfs_ioctl fs/ioctl.c:52 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe1547a8fd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe155653028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe154a25fa0 RCX: 00007fe1547a8fd9
RDX: 0000200000000140 RSI: 0000000040187542 RDI: 0000000000000003
RBP: 00007fe154837fed R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe154a26038 R14: 00007fe154a25fa0 R15: 00007fe154b4fa48
 </TASK>