EXT4-fs error (device sda) in ext4_setattr:5533: Out of memory
EXT4-fs error (device sda) in ext4_setattr:5533: Out of memory
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kernfs_put: sda/errors_count: released with incorrect active_ref 0
WARNING: CPU: 1 PID: 24264 at fs/kernfs/dir.c:531 kernfs_put.part.0+0x433/0x540
Modules linked in:
CPU: 1 PID: 24264 Comm: kworker/1:1 Not tainted 5.19.0-rc5-next-20220705 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: events kernfs_notify_workfn
RIP: 0010:kernfs_put.part.0+0x433/0x540
Code: 03 80 3c 18 00 0f 85 ea 00 00 00 4d 8b 7d 38 e8 73 0b a7 ff 48 8b 14 24 44 89 f1 4c 89 fe 48 c7 c7 e0 58 72 84 e8 93 ac 6c 02 <0f> 0b e9 b9 fc ff ff 48 89 ef e8 0e b3 d9 ff e9 c1 fd ff ff e8 04
RSP: 0018:ffff888047097bd8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff888040e5b580 RSI: ffffffff812bd348 RDI: ffffed1008e12f6d
RBP: ffff88800fade208 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: ffff88800fade1d0
R13: ffff88800fadc9f8 R14: 0000000000000000 R15: ffff888008d4c960
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffefd1fd918 CR3: 0000000047d22000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
kernfs_put+0x42/0x50
kernfs_notify_workfn+0x417/0x560
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
irq event stamp: 275253
hardirqs last enabled at (275263): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (275274): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (274838): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (274817): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: use-after-free in llist_del_first+0x89/0xa0
Read of size 8 at addr ffff88800fade250 by task kworker/1:1/24264
CPU: 1 PID: 24264 Comm: kworker/1:1 Tainted: G W 5.19.0-rc5-next-20220705 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: events kernfs_notify_workfn
Call Trace:
dump_stack_lvl+0x8b/0xb3
print_report.cold+0x5e/0x5e1
kasan_report+0xb1/0x1b0
llist_del_first+0x89/0xa0
kernfs_notify_workfn+0x78/0x560
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
Allocated by task 1:
kasan_save_stack+0x1e/0x40
__kasan_slab_alloc+0x66/0x80
kmem_cache_alloc+0x1b1/0x490
__kernfs_new_node+0xd4/0x8b0
kernfs_new_node+0x93/0x120
__kernfs_create_file+0x51/0x350
sysfs_add_file_mode_ns+0x218/0x430
internal_create_group+0x322/0xb20
internal_create_groups.part.0+0x90/0x140
sysfs_create_groups+0x25/0x50
kobject_add_internal+0x29b/0x8d0
kobject_init_and_add+0x101/0x160
ext4_register_sysfs+0xb5/0x360
ext4_fill_super+0xcea8/0xde10
get_tree_bdev+0x486/0x7c0
vfs_get_tree+0x8e/0x2f0
path_mount+0x130c/0x1e20
init_mount+0xaa/0xf4
do_mount_root+0xe5/0x29a
mount_block_root+0x1c1/0x355
mount_root+0x36d/0x3bd
prepare_namespace+0x1ff/0x234
kernel_init_freeable+0x676/0x68e
kernel_init+0x1a/0x1e0
ret_from_fork+0x22/0x30
Freed by task 24264:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_set_free_info+0x20/0x30
__kasan_slab_free+0x108/0x190
kmem_cache_free+0xfb/0x600
kernfs_put.part.0+0x2c7/0x540
kernfs_put+0x42/0x50
kernfs_notify_workfn+0x417/0x560
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
The buggy address belongs to the object at ffff88800fade1d0
which belongs to the cache kernfs_node_cache of size 168
The buggy address is located 128 bytes inside of
168-byte region [ffff88800fade1d0, ffff88800fade278)
The buggy address belongs to the physical page:
page:000000008ead3e2e refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfade
flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 0000000000000000 dead000000000122 ffff8880080358c0
raw: 0000000000000000 0000000000110011 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88800fade100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88800fade180: 00 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb
>ffff88800fade200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
^
ffff88800fade280: fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00
ffff88800fade300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
==================================================================
EXT4-fs error (device sda) in ext4_setattr:5533: Out of memory
ata2.00: qc timeout (cmd 0xa0)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata2.00: BMDMA stat 0x5
ata2.00: cmd a0/01:00:00:00:40/00:00:00:00:00/a0 tag 0 dma 16384 in
Read(10) 28 00 00 00 00 00 00 00 08 00res 41/20:03:00:00:40/00:00:00:00:00/a0 Emask 0x5 (timeout)
ata2.00: status: { DRDY ERR }
ata2: soft resetting link
ata2: found unknown device (class 0)