------------[ cut here ]------------ WARNING: mm/vmalloc.c:4038 at __vmalloc_node_range_noprof+0x798/0x8ec mm/vmalloc.c:4038, CPU#0: syz.2.17/3661 Modules linked in: CPU: 0 UID: 0 PID: 3661 Comm: syz.2.17 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) pstate: 01402009 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __vmalloc_node_range_noprof+0x798/0x8ec mm/vmalloc.c:4038 lr : __vmalloc_node_noprof mm/vmalloc.c:4166 [inline] lr : vzalloc_noprof+0x94/0xa4 mm/vmalloc.c:4244 sp : ffff800089a53b20 x29: ffff800089a53b30 x28: fcf00000046e0000 x27: 00000000ffffffff x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: f3f00000057d3140 x21: 0000000000000012 x20: 0000000000000000 x19: f3f00000057d3100 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000020000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000080000000 x11: 0000000000000000 x10: 0fffffffffffffff x9 : 0000000000000010 x8 : 00000000ffffffbf x7 : 00000000ffffffff x6 : 0000000000000000 x5 : 00e8000000000403 x4 : 0000000000000dc0 x3 : ffffc1ffbf800000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __vmalloc_node_range_noprof+0x798/0x8ec mm/vmalloc.c:4038 (P) __vmalloc_node_noprof mm/vmalloc.c:4166 [inline] vzalloc_noprof+0x94/0xa4 mm/vmalloc.c:4244 zram_meta_alloc drivers/block/zram/zram_drv.c:1982 [inline] disksize_store+0x64/0x1b0 drivers/block/zram/zram_drv.c:2872 dev_attr_store+0x18/0x2c drivers/base/core.c:2509 sysfs_kf_write+0x7c/0x98 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x138/0x200 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x244/0x36c fs/read_write.c:687 ksys_write+0x70/0x108 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x18/0x24 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x54/0x10c arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:121 do_el0_svc+0x1c/0x34 arch/arm64/kernel/syscall.c:140 el0_svc+0x38/0x1fc arch/arm64/kernel/entry-common.c:758 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:777 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:590 ---[ end trace 0000000000000000 ]---