FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5108 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-08068-g1ec6d097897a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
fail_dump lib/fault-inject.c:53 [inline]
should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154
should_failslab+0xac/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4039 [inline]
slab_alloc_node mm/slub.c:4115 [inline]
kmem_cache_alloc_noprof+0x6c/0x2a0 mm/slub.c:4142
mt_alloc_one lib/maple_tree.c:162 [inline]
mas_alloc_nodes+0x26c/0x840 lib/maple_tree.c:1241
mas_node_count_gfp lib/maple_tree.c:1321 [inline]
mas_preallocate+0x554/0x8c0 lib/maple_tree.c:5546
vma_iter_prealloc mm/vma.h:432 [inline]
mmap_region+0x1ea1/0x2990 mm/mmap.c:1508
do_mmap+0x8f0/0x1000 mm/mmap.c:496
vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50bb17def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f50bbf84038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f50bb335f80 RCX: 00007f50bb17def9
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f50bbf84090 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f50bb335f80 R15: 00007ffd44bad9d8
------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:90!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5108 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-08068-g1ec6d097897a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:page_table_check_clear+0x395/0x550 mm/page_table_check.c:90
Code: c1 0f 8c 57 fd ff ff 48 89 df e8 26 25 f3 ff e9 4a fd ff ff e8 cc 66 8a ff 90 0f 0b e8 c4 66 8a ff 90 0f 0b e8 bc 66 8a ff 90 <0f> 0b e8 b4 66 8a ff 90 0f 0b e8 ac 66 8a ff 90 0f 0b f3 0f 1e fa
RSP: 0018:ffffc9000b03f1a0 EFLAGS: 00010293
RAX: ffffffff820a4e24 RBX: ffff88801b8c8098 RCX: ffff88801aa7a440
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff820a4c86 R09: 1ffff11003719013
R10: dffffc0000000000 R11: ffffed1003719014 R12: 0000000000000000
R13: ffff88801b8c8050 R14: 00000000000001fe R15: 1ffffffff3483da4
FS: 00007f50bbf846c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98ec951580 CR3: 0000000000dea000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
page_table_check_pmd_clear include/linux/page_table_check.h:57 [inline]
pmdp_huge_get_and_clear arch/x86/include/asm/pgtable.h:1390 [inline]
pmdp_huge_get_and_clear_full include/linux/pgtable.h:636 [inline]
zap_huge_pmd+0x940/0xc40 mm/huge_memory.c:2071
zap_pmd_range mm/memory.c:1719 [inline]
zap_pud_range mm/memory.c:1768 [inline]
zap_p4d_range mm/memory.c:1789 [inline]
unmap_page_range+0x762/0x40e0 mm/memory.c:1810
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1900
unmap_region+0x214/0x380 mm/vma.c:354
mmap_region+0x22f9/0x2990 mm/mmap.c:1573
do_mmap+0x8f0/0x1000 mm/mmap.c:496
vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50bb17def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f50bbf84038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f50bb335f80 RCX: 00007f50bb17def9
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f50bbf84090 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f50bb335f80 R15: 00007ffd44bad9d8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:page_table_check_clear+0x395/0x550 mm/page_table_check.c:90
Code: c1 0f 8c 57 fd ff ff 48 89 df e8 26 25 f3 ff e9 4a fd ff ff e8 cc 66 8a ff 90 0f 0b e8 c4 66 8a ff 90 0f 0b e8 bc 66 8a ff 90 <0f> 0b e8 b4 66 8a ff 90 0f 0b e8 ac 66 8a ff 90 0f 0b f3 0f 1e fa
RSP: 0018:ffffc9000b03f1a0 EFLAGS: 00010293
RAX: ffffffff820a4e24 RBX: ffff88801b8c8098 RCX: ffff88801aa7a440
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff820a4c86 R09: 1ffff11003719013
R10: dffffc0000000000 R11: ffffed1003719014 R12: 0000000000000000
R13: ffff88801b8c8050 R14: 00000000000001fe R15: 1ffffffff3483da4
FS: 00007f50bbf846c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98ec951580 CR3: 0000000000dea000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400