XFS (loop4): log I/O error -5
==================================================================
BUG: KASAN: use-after-free in xlog_cil_committed+0xc4/0xc20 fs/xfs/xfs_log_cil.c:614
Read of size 8 at addr ffff0000d4edd000 by task kworker/0:1H/149
CPU: 0 PID: 149 Comm: kworker/0:1H Not tainted 5.15.117-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: xfs-log/loop4 xlog_ioend_work
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
__asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
xlog_cil_committed+0xc4/0xc20 fs/xfs/xfs_log_cil.c:614
xlog_cil_process_committed+0x11c/0x174 fs/xfs/xfs_log_cil.c:659
xlog_state_shutdown_callbacks+0x23c/0x324 fs/xfs/xfs_log.c:516
xlog_force_shutdown+0x1a8/0x208 fs/xfs/xfs_log.c:3896
xfs_do_force_shutdown+0x118/0x5e8 fs/xfs/xfs_fsops.c:529
xlog_ioend_work+0xc0/0x114 fs/xfs/xfs_log.c:1364
process_one_work+0x790/0x11b8 kernel/workqueue.c:2307
worker_thread+0x910/0x1034 kernel/workqueue.c:2454
kthread+0x37c/0x45c kernel/kthread.c:319
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Allocated by task 5081:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
__kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
kasan_kmalloc include/linux/kasan.h:264 [inline]
__kmalloc+0x29c/0x4c8 mm/slub.c:4407
kmalloc include/linux/slab.h:596 [inline]
kmem_alloc+0x214/0x53c fs/xfs/kmem.c:21
kmem_zalloc fs/xfs/kmem.h:69 [inline]
xlog_cil_init+0x2c/0x3b0 fs/xfs/xfs_log_cil.c:1454
xlog_alloc_log+0xd8c/0xf64 fs/xfs/xfs_log.c:1625
xfs_log_mount+0xc8/0x6c8 fs/xfs/xfs_log.c:633
xfs_mountfs+0x93c/0x1778 fs/xfs/xfs_mount.c:764
xfs_fs_fill_super+0xd64/0xf60 fs/xfs/xfs_super.c:1658
get_tree_bdev+0x360/0x54c fs/super.c:1303
xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1705
vfs_get_tree+0x90/0x274 fs/super.c:1508
do_new_mount+0x25c/0x8c4 fs/namespace.c:2994
path_mount+0x590/0x104c fs/namespace.c:3324
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount fs/namespace.c:3522 [inline]
__arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Freed by task 4009:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
__kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0x178/0x410 mm/slub.c:4559
kvfree+0x40/0x50 mm/util.c:654
kmem_free fs/xfs/kmem.h:62 [inline]
xlog_cil_destroy+0x10c/0x140 fs/xfs/xfs_log_cil.c:1500
xlog_dealloc_log+0x34/0x224 fs/xfs/xfs_log.c:2064
xfs_log_unmount+0xa4/0xbc fs/xfs/xfs_log.c:1082
xfs_unmountfs+0x128/0x1c8 fs/xfs/xfs_mount.c:1040
xfs_fs_put_super+0x70/0x250 fs/xfs/xfs_super.c:1090
generic_shutdown_super+0x130/0x29c fs/super.c:475
kill_block_super+0x70/0xdc fs/super.c:1405
deactivate_locked_super+0xb8/0x13c fs/super.c:335
deactivate_super+0x108/0x128 fs/super.c:366
cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
__cleanup_mnt+0x20/0x30 fs/namespace.c:1150
task_work_run+0x130/0x1e4 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
The buggy address belongs to the object at ffff0000d4edd000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 0 bytes inside of
1024-byte region [ffff0000d4edd000, ffff0000d4edd400)
The buggy address belongs to the page:
page:0000000000e0481c refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000d4ed8800 pfn:0x114ed8
head:0000000000e0481c order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc0003263e08 fffffc0003322c08 ffff0000c0002780
raw: ffff0000d4ed8800 000000000010000e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000d4edcf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff0000d4edcf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000d4edd000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff0000d4edd080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000d4edd100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel paging request at virtual address fac3804560000289
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
[fac3804560000289] address between user and kernel address ranges
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 149 Comm: kworker/0:1H Tainted: G B 5.15.117-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: xfs-log/loop4 xlog_ioend_work
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline]
pc : do_raw_spin_lock+0x80/0x35c kernel/locking/spinlock_debug.c:114
lr : __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
lr : _raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154
sp : ffff80001a3d73a0
x29: ffff80001a3d7430 x28: ffff80001a3d73c0 x27: ffff0000d53e5000
x26: dead000000000100 x25: ffff0000d7521000 x24: d620022b00001406
x23: dfff800000000000 x22: 0000000100000080 x21: d620022b00001446
x20: d620022b00001446 x19: d620022b0000144a x18: 1fffe000368ff38e
x17: 1fffe000368ff38e x16: ffff80000830309c x15: ffff80001498f100
x14: ffff0001b47f9c80 x13: ffffffffffffffff x12: 0000000000000000
x11: ffff80000830309c x10: 1ffff0000347ae78 x9 : 1ac4004560000289
x8 : f3f3f304f1f1f1f1 x7 : 0000000000000000 x6 : ffff800009b4790c
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff800011f508c0 x0 : d620022b00001446
Call trace:
do_raw_spin_lock+0x80/0x35c kernel/locking/spinlock_debug.c:114
__raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_lock+0xb8/0x10c kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:363 [inline]
xfs_trans_committed_bulk+0xe4/0x70c fs/xfs/xfs_trans.c:747
xlog_cil_committed+0x22c/0xc20 fs/xfs/xfs_log_cil.c:631
xlog_cil_process_committed+0x11c/0x174 fs/xfs/xfs_log_cil.c:659
xlog_state_shutdown_callbacks+0x23c/0x324 fs/xfs/xfs_log.c:516
xlog_force_shutdown+0x1a8/0x208 fs/xfs/xfs_log.c:3896
xfs_do_force_shutdown+0x118/0x5e8 fs/xfs/xfs_fsops.c:529
xlog_ioend_work+0xc0/0x114 fs/xfs/xfs_log.c:1364
process_one_work+0x790/0x11b8 kernel/workqueue.c:2307
worker_thread+0x910/0x1034 kernel/workqueue.c:2454
kthread+0x37c/0x45c kernel/kthread.c:319
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: d343fe69 f9001beb f8376948 aa0003f4 (38f76928)
---[ end trace c878e6090aebe1f8 ]---
----------------
Code disassembly (best guess):
0: d343fe69 lsr x9, x19, #3
4: f9001beb str x11, [sp, #48]
8: f8376948 str x8, [x10, x23]
c: aa0003f4 mov x20, x0
* 10: 38f76928 ldrsb w8, [x9, x23] <-- trapping instruction