------------[ cut here ]------------
WARNING: CPU: 0 PID: 3024 at include/linux/gfp.h:221 __alloc_pages_node include/linux/gfp.h:221 [inline]
WARNING: CPU: 0 PID: 3024 at include/linux/gfp.h:221 hpage_collapse_alloc_page mm/khugepaged.c:807 [inline]
WARNING: CPU: 0 PID: 3024 at include/linux/gfp.h:221 alloc_charge_hpage+0x5a4/0x938 mm/khugepaged.c:963
Modules linked in:
CPU: 0 PID: 3024 Comm: syz-executor426 Not tainted 6.1.0-rc4-syzkaller-31872-g1621b6eaebf7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_pages_node include/linux/gfp.h:221 [inline]
pc : hpage_collapse_alloc_page mm/khugepaged.c:807 [inline]
pc : alloc_charge_hpage+0x5a4/0x938 mm/khugepaged.c:963
lr : __alloc_pages_node include/linux/gfp.h:221 [inline]
lr : hpage_collapse_alloc_page mm/khugepaged.c:807 [inline]
lr : alloc_charge_hpage+0x5a4/0x938 mm/khugepaged.c:963
sp : ffff80001240b930
x29: ffff80001240b930 x28: 0000000020200000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000001 x22: 0000000000000000 x21: 00000000003c24ca
x20: ffff0000c0250fc0 x19: ffff80001240ba30 x18: 00000000000000c0
x17: ffff80000dcdc198 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000003 x12: ffff80000d8708d0
x11: ff80800008564d88 x10: 0000000000000000 x9 : ffff800008564d88
x8 : ffff0000c6b80000 x7 : ffff800008564770 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff0000c9978d00 x3 : 0000000000000200
x2 : ffff0000c9978d00 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __alloc_pages_node include/linux/gfp.h:221 [inline]
 hpage_collapse_alloc_page mm/khugepaged.c:807 [inline]
 alloc_charge_hpage+0x5a4/0x938 mm/khugepaged.c:963
 collapse_file+0xd0/0x2ffc mm/khugepaged.c:1715
 hpage_collapse_scan_file+0x938/0xb64 mm/khugepaged.c:2156
 madvise_collapse+0x328/0x864 mm/khugepaged.c:2611
 madvise_vma_behavior+0x148/0x7f4 mm/madvise.c:1076
 madvise_walk_vmas mm/madvise.c:1250 [inline]
 do_madvise+0x438/0x5c0 mm/madvise.c:1429
 __do_sys_madvise mm/madvise.c:1442 [inline]
 __se_sys_madvise mm/madvise.c:1440 [inline]
 __arm64_sys_madvise+0x2c/0x40 mm/madvise.c:1440
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
irq event stamp: 12824
hardirqs last  enabled at (12823): [<ffff80000856cb18>] folio_memcg_lock+0xe4/0x188 mm/memcontrol.c:2110
hardirqs last disabled at (12824): [<ffff80000c009b8c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (12792): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (12765): [<ffff800008017c88>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address 0000000000002818
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010cc2c000
[0000000000002818] pgd=080000010bba4003, p4d=080000010bba4003, pud=080000010bae3003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3024 Comm: syz-executor426 Tainted: G        W          6.1.0-rc4-syzkaller-31872-g1621b6eaebf7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : zonelist_zone_idx include/linux/mmzone.h:1448 [inline]
pc : next_zones_zonelist include/linux/mmzone.h:1479 [inline]
pc : first_zones_zonelist include/linux/mmzone.h:1505 [inline]
pc : prepare_alloc_pages+0x168/0x244 mm/page_alloc.c:5340
lr : prepare_alloc_pages+0x128/0x244 mm/page_alloc.c:5327
sp : ffff80001240b860
x29: ffff80001240b860 x28: 0000000020200000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff80000d2c9000 x24: 0000000000000008
x23: ffff8000084bba78 x22: 0000000000000000 x21: ffff80001240b8e4
x20: 00000000003c24ca x19: ffff80001240b8b8 x18: 00000000000000c0
x17: ffff80000dcdc198 x16: ffff80000db1a158 x15: ffff0000c6b80000
x14: 0000000000000010 x13: 0000000000000000 x12: ffff0000c6b80000
x11: ff808000095f1764 x10: 0000000000000081 x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff8000084ba724 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000003 x0 : 0000000000002810
Call trace:
 next_zones_zonelist include/linux/mmzone.h:1479 [inline]
 first_zones_zonelist include/linux/mmzone.h:1505 [inline]
 prepare_alloc_pages+0x168/0x244 mm/page_alloc.c:5340
 __alloc_pages+0xa4/0x1fc mm/page_alloc.c:5544
 __alloc_pages_node include/linux/gfp.h:223 [inline]
 hpage_collapse_alloc_page mm/khugepaged.c:807 [inline]
 alloc_charge_hpage+0x318/0x938 mm/khugepaged.c:963
 collapse_file+0xd0/0x2ffc mm/khugepaged.c:1715
 hpage_collapse_scan_file+0x938/0xb64 mm/khugepaged.c:2156
 madvise_collapse+0x328/0x864 mm/khugepaged.c:2611
 madvise_vma_behavior+0x148/0x7f4 mm/madvise.c:1076
 madvise_walk_vmas mm/madvise.c:1250 [inline]
 do_madvise+0x438/0x5c0 mm/madvise.c:1429
 __do_sys_madvise mm/madvise.c:1442 [inline]
 __se_sys_madvise mm/madvise.c:1440 [inline]
 __arm64_sys_madvise+0x2c/0x40 mm/madvise.c:1440
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Code: b9401e61 530c3288 39008268 b50002a2 (b9400808) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	b9401e61 	ldr	w1, [x19, #28]
   4:	530c3288 	ubfx	w8, w20, #12, #1
   8:	39008268 	strb	w8, [x19, #32]
   c:	b50002a2 	cbnz	x2, 0x60
* 10:	b9400808 	ldr	w8, [x0, #8] <-- trapping instruction