F2FS-fs (loop0): inject write IO error in f2fs_write_end_io of blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
CPU: 0 UID: 0 PID: 71 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: loop0 loop_workfn
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
f2fs_handle_critical_error+0x37c/0x540 fs/f2fs/super.c:4641
f2fs_write_end_io+0x886/0xb60 fs/f2fs/data.c:351
blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
lo_rw_aio_complete drivers/block/loop.c:337 [inline]
lo_rw_aio+0xcde/0xf00 drivers/block/loop.c:410
do_req_filebacked drivers/block/loop.c:434 [inline]
loop_handle_cmd drivers/block/loop.c:1947 [inline]
loop_process_work+0x61d/0x11a0 drivers/block/loop.c:1982
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
F2FS-fs (loop0): Stopped filesystem due to reason: 3
CPU: 0 UID: 0 PID: 71 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: loop0 loop_workfn
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
f2fs_handle_critical_error+0x37c/0x540 fs/f2fs/super.c:4641
f2fs_write_end_io+0x886/0xb60 fs/f2fs/data.c:351
blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
lo_rw_aio_complete drivers/block/loop.c:337 [inline]
lo_rw_aio+0xcde/0xf00 drivers/block/loop.c:410
do_req_filebacked drivers/block/loop.c:434 [inline]
loop_handle_cmd drivers/block/loop.c:1947 [inline]
loop_process_work+0x61d/0x11a0 drivers/block/loop.c:1982
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
F2FS-fs (loop0): Stopped filesystem due to reason: 3
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: slab-use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
BUG: KASAN: slab-use-after-free in get_pages fs/f2fs/f2fs.h:2718 [inline]
BUG: KASAN: slab-use-after-free in f2fs_write_end_io+0x9b9/0xb60 fs/f2fs/data.c:364
Read of size 4 at addr ffff888043559170 by task kworker/u4:4/71
CPU: 0 UID: 0 PID: 71 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: loop0 loop_workfn
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xba/0x230 mm/kasan/report.c:482
kasan_report+0x117/0x150 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200
instrument_atomic_read include/linux/instrumented.h:68 [inline]
atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
get_pages fs/f2fs/f2fs.h:2718 [inline]
f2fs_write_end_io+0x9b9/0xb60 fs/f2fs/data.c:364
blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
lo_rw_aio_complete drivers/block/loop.c:337 [inline]
lo_rw_aio+0xcde/0xf00 drivers/block/loop.c:410
do_req_filebacked drivers/block/loop.c:434 [inline]
loop_handle_cmd drivers/block/loop.c:1947 [inline]
loop_process_work+0x61d/0x11a0 drivers/block/loop.c:1982
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Allocated by task 5328:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_noprof+0x3d1/0x6e0 mm/slub.c:5780
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
f2fs_fill_super+0x8c/0x6ed0 fs/f2fs/super.c:4895
get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1691
vfs_get_tree+0x92/0x2a0 fs/super.c:1751
fc_mount fs/namespace.c:1199 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x329/0xa50 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 5328:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2540 [inline]
slab_free mm/slub.c:6674 [inline]
kfree+0x1be/0x650 mm/slub.c:6882
f2fs_fill_super+0x58a0/0x6ed0 fs/f2fs/super.c:5377
get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1691
vfs_get_tree+0x92/0x2a0 fs/super.c:1751
fc_mount fs/namespace.c:1199 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x329/0xa50 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Last potentially related work creation:
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
insert_work+0x3d/0x330 kernel/workqueue.c:2180
__queue_work+0xccf/0xf90 kernel/workqueue.c:2335
queue_work_on+0x106/0x1c0 kernel/workqueue.c:2386
queue_work include/linux/workqueue.h:669 [inline]
schedule_work include/linux/workqueue.h:730 [inline]
f2fs_handle_critical_error+0x255/0x540 fs/f2fs/super.c:4624
f2fs_write_end_io+0x886/0xb60 fs/f2fs/data.c:351
blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
lo_rw_aio_complete drivers/block/loop.c:337 [inline]
lo_rw_aio+0xcde/0xf00 drivers/block/loop.c:410
do_req_filebacked drivers/block/loop.c:434 [inline]
loop_handle_cmd drivers/block/loop.c:1947 [inline]
loop_process_work+0x61d/0x11a0 drivers/block/loop.c:1982
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Second to last potentially related work creation:
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
insert_work+0x3d/0x330 kernel/workqueue.c:2180
__queue_work+0xccf/0xf90 kernel/workqueue.c:2335
queue_work_on+0x106/0x1c0 kernel/workqueue.c:2386
queue_work include/linux/workqueue.h:669 [inline]
schedule_work include/linux/workqueue.h:730 [inline]
f2fs_handle_critical_error+0x255/0x540 fs/f2fs/super.c:4624
f2fs_write_end_io+0x886/0xb60 fs/f2fs/data.c:351
blk_update_request+0x57e/0xe60 block/blk-mq.c:1007
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1169
lo_rw_aio_complete drivers/block/loop.c:337 [inline]
lo_rw_aio+0xcde/0xf00 drivers/block/loop.c:410
do_req_filebacked drivers/block/loop.c:434 [inline]
loop_handle_cmd drivers/block/loop.c:1947 [inline]
loop_process_work+0x61d/0x11a0 drivers/block/loop.c:1982
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
The buggy address belongs to the object at ffff888043558000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 4464 bytes inside of
freed 8192-byte region [ffff888043558000, ffff88804355a000)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x43558
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000040 ffff88801a842280 0000000000000000 0000000000000001
raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
head: 04fff00000000040 ffff88801a842280 0000000000000000 0000000000000001
head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
head: 04fff00000000003 ffffea00010d5601 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5298, tgid 5298 (sh), ts 79655020631, free_ts 27390563801
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x228/0x280 mm/page_alloc.c:1884
prep_new_page mm/page_alloc.c:1892 [inline]
get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3945
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5240
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
alloc_slab_page mm/slub.c:3075 [inline]
allocate_slab+0x86/0x3a0 mm/slub.c:3248
new_slab mm/slub.c:3302 [inline]
___slab_alloc+0xd82/0x1760 mm/slub.c:4656
__slab_alloc+0x65/0x100 mm/slub.c:4779
__slab_alloc_node mm/slub.c:4855 [inline]
slab_alloc_node mm/slub.c:5251 [inline]
__kmalloc_cache_noprof+0x40d/0x6e0 mm/slub.c:5775
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
tomoyo_print_bprm security/tomoyo/audit.c:26 [inline]
tomoyo_init_log+0x112e/0x1fb0 security/tomoyo/audit.c:264
tomoyo_supervisor+0x353/0x1570 security/tomoyo/common.c:2198
tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline]
tomoyo_env_perm+0x151/0x1f0 security/tomoyo/environ.c:63
tomoyo_environ security/tomoyo/domain.c:672 [inline]
tomoyo_find_next_domain+0x15cb/0x1aa0 security/tomoyo/domain.c:888
tomoyo_bprm_check_security+0x11b/0x180 security/tomoyo/tomoyo.c:102
security_bprm_check+0x85/0x240 security/security.c:794
search_binary_handler fs/exec.c:1659 [inline]
exec_binprm fs/exec.c:1701 [inline]
bprm_execve+0x896/0x1410 fs/exec.c:1753
do_execveat_common+0x50f/0x690 fs/exec.c:1859
page last free pid 1350 tgid 1350 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1433 [inline]
__free_frozen_pages+0xbb0/0xd10 mm/page_alloc.c:2973
vfree+0x25a/0x400 mm/vmalloc.c:3466
delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3385
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
kthread+0x726/0x8b0 kernel/kthread.c:463
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Memory state around the buggy address:
ffff888043559000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888043559080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888043559100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888043559180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888043559200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================