------------[ cut here ]------------ WARNING: CPU: 0 PID: 4317 at mm/vmalloc.c:2994 __vmalloc_node_range+0x800/0x8b0 mm/vmalloc.c:2994 Modules linked in: CPU: 0 PID: 4317 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__vmalloc_node_range+0x800/0x8b0 mm/vmalloc.c:2994 Code: 00 e8 c4 e2 ff ff 45 31 f6 e9 cd fa ff ff e8 17 12 c6 ff 45 31 f6 e9 c0 fa ff ff e8 0a 12 c6 ff e9 9a fd ff ff e8 00 12 c6 ff <0f> 0b 45 31 f6 e9 a7 fa ff ff e8 f1 11 c6 ff 48 89 df e8 d9 e0 ff RSP: 0018:ffffc90003cefb48 EFLAGS: 00010293 RAX: ffffffff81b302a0 RBX: 0000000000000000 RCX: ffff888026511dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000dc0 R09: 8000000000000163 R10: dffffc0000000000 R11: ffffed100402fb06 R12: ffffc90000000000 R13: 0000000000000dc0 R14: 8000000000000163 R15: ffffe8ffffffffff FS: 000055555a8ba500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558831c3fc80 CR3: 000000001e706000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vmalloc_node mm/vmalloc.c:3087 [inline] vzalloc+0x75/0x80 mm/vmalloc.c:3157 zram_meta_alloc drivers/block/zram/zram_drv.c:1166 [inline] disksize_store+0xf5/0x320 drivers/block/zram/zram_drv.c:1745 kernfs_fop_write_iter+0x3a8/0x500 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2179 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x748/0xd70 fs/read_write.c:594 ksys_write+0x153/0x260 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc0cc92c159 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:00007fff2e7fdb78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc0ccbb3fa0 RCX: 00007fc0cc92c159 RDX: 0000000000000012 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007fc0cc9c306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0ccbb3fac R14: 00007fc0ccbb3fa0 R15: 00007fc0ccbb3fa0