==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: slab-use-after-free in atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:1375 [inline]
BUG: KASAN: slab-use-after-free in gfs2_qd_dealloc+0x83/0xf0 fs/gfs2/quota.c:115
Write of size 4 at addr ffff8880173e0a78 by task syz-executor.1/16428
CPU: 0 PID: 16428 Comm: syz-executor.1 Not tainted 6.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0x163/0x540 mm/kasan/report.c:475
kasan_report+0x175/0x1b0 mm/kasan/report.c:588
kasan_check_range+0x27e/0x290 mm/kasan/generic.c:187
instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:1375 [inline]
gfs2_qd_dealloc+0x83/0xf0 fs/gfs2/quota.c:115
rcu_do_batch kernel/rcu/tree.c:2139 [inline]
rcu_core+0xacf/0x1790 kernel/rcu/tree.c:2403
__do_softirq+0x2ab/0x908 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1074
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203
Code: 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 70 0c 0d 48 89 de 5b e9 13 96 59 00 0f 1f 00 0f 1e fa 48 8b 04 24 65 48 8b 0d 40 ae 75 7e 65 8b 15 41 ae 75
RSP: 0018:ffffc900036eec00 EFLAGS: 00000287
RAX: ffffc900036ef390 RBX: 0000000000000001 RCX: ffffc900036e8000
RDX: ffff88801fa20000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff920006ddd9e R08: ffffffff813daebe R09: ffffffff813dae17
R10: 0000000000000003 R11: ffff88801fa20000 R12: ffffc900036ef388
R13: ffffc900036f0000 R14: 1ffff920006ddd9d R15: dffffc0000000000
stack_access_ok arch/x86/kernel/unwind_orc.c:393 [inline]
deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
unwind_next_frame+0x10d9/0x29e0 arch/x86/kernel/unwind_orc.c:585
arch_stack_walk+0x146/0x1a0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
__kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x67/0x3d0 mm/slab.h:762
slab_alloc_node mm/slub.c:3478 [inline]
slab_alloc mm/slub.c:3486 [inline]
__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
kmem_cache_alloc+0x123/0x300 mm/slub.c:3502
kmem_cache_zalloc include/linux/slab.h:710 [inline]
__kernfs_new_node+0xd8/0x870 fs/kernfs/dir.c:615
kernfs_new_node+0x99/0x170 fs/kernfs/dir.c:679
__kernfs_create_file+0x49/0x2e0 fs/kernfs/file.c:1047
sysfs_add_file_mode_ns+0x24a/0x300 fs/sysfs/file.c:294
create_files fs/sysfs/group.c:64 [inline]
internal_create_group+0x4ec/0xf00 fs/sysfs/group.c:152
internal_create_groups fs/sysfs/group.c:192 [inline]
sysfs_create_groups+0x56/0x110 fs/sysfs/group.c:218
create_dir lib/kobject.c:77 [inline]
kobject_add_internal+0x65e/0xc30 lib/kobject.c:238
kobject_add_varg lib/kobject.c:372 [inline]
kobject_init_and_add+0x124/0x190 lib/kobject.c:455
btrfs_sysfs_add_space_info_type+0xf4/0x120 fs/btrfs/sysfs.c:1670
create_space_info+0x5ff/0x7e0 fs/btrfs/space-info.c:251
open_ctree+0x1ecc/0x3070 fs/btrfs/disk-io.c:3450
btrfs_fill_super+0x1c7/0x2f0 fs/btrfs/super.c:1160
btrfs_mount_root+0x7e0/0x910 fs/btrfs/super.c:1525
legacy_get_tree+0xef/0x190 fs/fs_context.c:638
vfs_get_tree+0x8c/0x280 fs/super.c:1750
fc_mount fs/namespace.c:1112 [inline]
vfs_kern_mount+0xbc/0x150 fs/namespace.c:1142
btrfs_mount+0x39f/0xb50 fs/btrfs/super.c:1585
legacy_get_tree+0xef/0x190 fs/fs_context.c:638
vfs_get_tree+0x8c/0x280 fs/super.c:1750
do_new_mount+0x28f/0xae0 fs/namespace.c:3335
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fee6727e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fee67faeee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fee67faef80 RCX: 00007fee6727e1ea
RDX: 00000000200051c0 RSI: 0000000020005200 RDI: 00007fee67faef40
RBP: 00000000200051c0 R08: 00007fee67faef80 R09: 0000000001000008
R10: 0000000001000008 R11: 0000000000000202 R12: 0000000020005200
R13: 00007fee67faef40 R14: 00000000000051ab R15: 0000000020000280
Allocated by task 16403:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383
kmalloc include/linux/slab.h:599 [inline]
kzalloc include/linux/slab.h:720 [inline]
init_sbd fs/gfs2/ops_fstype.c:77 [inline]
gfs2_fill_super+0x136/0x26c0 fs/gfs2/ops_fstype.c:1164
get_tree_bdev+0x416/0x5b0 fs/super.c:1577
gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1348
vfs_get_tree+0x8c/0x280 fs/super.c:1750
do_new_mount+0x28f/0xae0 fs/namespace.c:3335
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 5059:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522
____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook mm/slub.c:1826 [inline]
slab_free mm/slub.c:3809 [inline]
__kmem_cache_free+0x25f/0x3b0 mm/slub.c:3822
generic_shutdown_super+0x13a/0x2c0 fs/super.c:693
kill_block_super+0x41/0x70 fs/super.c:1646
deactivate_locked_super+0xa4/0x110 fs/super.c:481
cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
task_work_run+0x24a/0x300 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The buggy address belongs to the object at ffff8880173e0000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2680 bytes inside of
freed 8192-byte region [ffff8880173e0000, ffff8880173e2000)
The buggy address belongs to the physical page:
page:ffffea00005cf800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x173e0
head:ffffea00005cf800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888012842280 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 5608856681, free_ts 0
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
prep_new_page mm/page_alloc.c:1543 [inline]
get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170
__alloc_pages+0x255/0x670 mm/page_alloc.c:4426
alloc_page_interleave+0x22/0x1d0 mm/mempolicy.c:2131
alloc_slab_page+0x6a/0x160 mm/slub.c:1870
allocate_slab mm/slub.c:2017 [inline]
new_slab+0x84/0x2f0 mm/slub.c:2070
___slab_alloc+0xc85/0x1310 mm/slub.c:3223
__slab_alloc mm/slub.c:3322 [inline]
__slab_alloc_node mm/slub.c:3375 [inline]
slab_alloc_node mm/slub.c:3468 [inline]
__kmem_cache_alloc_node+0x1af/0x270 mm/slub.c:3517
__do_kmalloc_node mm/slab_common.c:1022 [inline]
__kmalloc+0xa8/0x230 mm/slab_common.c:1036
acpi_ut_initialize_buffer+0x1d1/0x2b0
acpi_rs_create_pci_routing_table+0x116/0xa50 drivers/acpi/acpica/rscreate.c:212
acpi_rs_get_prt_method_data+0xe8/0x140 drivers/acpi/acpica/rsutils.c:456
acpi_pci_irq_find_prt_entry+0x16e/0xde0 drivers/acpi/pci_irq.c:214
acpi_pci_irq_lookup+0xb0/0x7a0 drivers/acpi/pci_irq.c:298
acpi_pci_irq_enable+0x23a/0x9a0 drivers/acpi/pci_irq.c:413
do_pci_enable_device+0x212/0x490 drivers/pci/pci.c:1953
page_owner free stack trace missing
Memory state around the buggy address:
ffff8880173e0900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880173e0980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880173e0a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880173e0a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880173e0b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
9: f3 0f 1e fa endbr64
d: 53 push %rbx
e: 48 89 fb mov %rdi,%rbx
11: e8 13 00 00 00 call 0x29
16: 48 8b 3d f4 70 0c 0d mov 0xd0c70f4(%rip),%rdi # 0xd0c7111
1d: 48 89 de mov %rbx,%rsi
20: 5b pop %rbx
21: e9 13 96 59 00 jmp 0x599639
26: 0f 1f 00 nopl (%rax)
* 29: f3 0f 1e fa endbr64 <-- trapping instruction
2d: 48 8b 04 24 mov (%rsp),%rax
31: 65 48 8b 0d 40 ae 75 mov %gs:0x7e75ae40(%rip),%rcx # 0x7e75ae79
38: 7e
39: 65 gs
3a: 8b .byte 0x8b
3b: 15 .byte 0x15
3c: 41 ae rex.B scas %es:(%rdi),%al
3e: 75 .byte 0x75