kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8352 Comm: syz-executor.4 Not tainted 5.3.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:madvise_cold_pte_range+0x53/0x1e60 mm/madvise.c:299
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 25 19 00 00 48 8b 41 18 48 89 c2 48 89 45 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 14 19 00 00 48 8b 45 c0 48 8d 79 10 48 89 fa 48
RSP: 0018:ffff8880861279e8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000020200000 RCX: ffff888086127b78
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffff888086127b90
RBP: ffff888086127a50 R08: ffffffff88d2b218 R09: 0000000020200000
R10: ffffffff879307c0 R11: 0000000020000000 R12: ffff8880984b7800
R13: ffff8880984b7800 R14: 0000000020000000 R15: dffffc0000000000
FS:  00007fca13330700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001590004 CR3: 000000008617a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 walk_pmd_range mm/pagewalk.c:53 [inline]
 walk_pud_range mm/pagewalk.c:112 [inline]
 walk_p4d_range mm/pagewalk.c:139 [inline]
 walk_pgd_range mm/pagewalk.c:166 [inline]
 __walk_page_range+0xb19/0x17e0 mm/pagewalk.c:261
 walk_page_range+0x16a/0x2d0 mm/pagewalk.c:349
 madvise_pageout_page_range mm/madvise.c:608 [inline]
 madvise_pageout+0x1d6/0x360 mm/madvise.c:644
 madvise_vma mm/madvise.c:1033 [inline]
 __do_sys_madvise+0x2f4/0x1840 mm/madvise.c:1215
 __se_sys_madvise mm/madvise.c:1141 [inline]
 __x64_sys_madvise+0x6e/0xb0 mm/madvise.c:1141
 do_syscall_64+0xca/0x5d0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5f9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fca1332fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000020980 RCX: 000000000045d5f9
RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fff14cc847f R14: 00007fca133309c0 R15: 000000000118cf4c
Modules linked in:
---[ end trace f64dd1e309b68180 ]---
RIP: 0010:madvise_cold_pte_range+0x53/0x1e60 mm/madvise.c:299
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 25 19 00 00 48 8b 41 18 48 89 c2 48 89 45 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 14 19 00 00 48 8b 45 c0 48 8d 79 10 48 89 fa 48
RSP: 0018:ffff8880861279e8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000020200000 RCX: ffff888086127b78
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffff888086127b90
RBP: ffff888086127a50 R08: ffffffff88d2b218 R09: 0000000020200000
R10: ffffffff879307c0 R11: 0000000020000000 R12: ffff8880984b7800
R13: ffff8880984b7800 R14: 0000000020000000 R15: dffffc0000000000
FS:  00007fca13330700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1aa1c62000 CR3: 000000008617a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400