==================================================================
BUG: KASAN: slab-use-after-free in __hlist_del include/linux/list.h:901 [inline]
BUG: KASAN: slab-use-after-free in detach_timer kernel/time/timer.c:880 [inline]
BUG: KASAN: slab-use-after-free in expire_timers+0x476/0x4b0 kernel/time/timer.c:1734
Write of size 8 at addr ffff888028251500 by task swapper/1/0
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-syzkaller-12423-g865fdb08197e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351
print_report mm/kasan/report.c:462 [inline]
kasan_report+0x11c/0x130 mm/kasan/report.c:572
__hlist_del include/linux/list.h:901 [inline]
detach_timer kernel/time/timer.c:880 [inline]
expire_timers+0x476/0x4b0 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:acpi_safe_halt+0x40/0x50 drivers/acpi/processor_idle.c:113
Code: eb 03 83 e3 01 89 de 0f 1f 44 00 00 84 db 75 1b 0f 1f 44 00 00 66 90 0f 1f 44 00 00 0f 00 2d c7 a2 a2 00 0f 1f 44 00 00 fb f4 5b c3 cc 0f 1f 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 0f
RSP: 0018:ffffc90000177d18 EFLAGS: 00000246
RAX: ffff888016659dc0 RBX: 0000000000000000 RCX: ffffffff8a0f6565
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888146e50064 R08: 0000000000000001 R09: ffff8880b9936ceb
R10: ffffed1017326d9d R11: 0000000000000000 R12: 0000000000000001
R13: ffff888146e50000 R14: ffff888146e50064 R15: 0000000000000000
acpi_idle_do_entry+0x53/0x70 drivers/acpi/processor_idle.c:573
acpi_idle_enter+0x173/0x290 drivers/acpi/processor_idle.c:711
cpuidle_enter_state+0xd3/0x6f0 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388
cpuidle_idle_call kernel/sched/idle.c:215 [inline]
do_idle+0x2fe/0x3c0 kernel/sched/idle.c:282
cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
secondary_startup_64_no_verify+0xf4/0xfb
Allocated by task 5048:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
____kasan_kmalloc mm/kasan/common.c:333 [inline]
__kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:196 [inline]
__do_kmalloc_node mm/slab_common.c:966 [inline]
__kmalloc_node+0x61/0x1a0 mm/slab_common.c:973
kmalloc_node include/linux/slab.h:579 [inline]
kvmalloc_node+0x76/0x1a0 mm/util.c:604
kvmalloc include/linux/slab.h:697 [inline]
kvzalloc include/linux/slab.h:705 [inline]
alloc_netdev_mqs+0x9c/0x1250 net/core/dev.c:10626
rtnl_create_link+0xbeb/0xee0 net/core/rtnetlink.c:3315
rtnl_newlink_create net/core/rtnetlink.c:3433 [inline]
__rtnl_newlink+0xfd4/0x1840 net/core/rtnetlink.c:3660
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3673
rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6395
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2546
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:747
__sys_sendto+0x23a/0x340 net/socket.c:2144
__do_compat_sys_socketcall+0x62e/0x720 net/compat.c:475
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
Freed by task 13031:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3786 [inline]
__kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799
kvfree+0x46/0x50 mm/util.c:650
device_release+0xa3/0x240 drivers/base/core.c:2484
kobject_cleanup lib/kobject.c:683 [inline]
kobject_release lib/kobject.c:714 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1c2/0x4d0 lib/kobject.c:731
netdev_run_todo+0x762/0x1100 net/core/dev.c:10400
rtnl_unlock net/core/rtnetlink.c:151 [inline]
rtnetlink_rcv_msg+0x44a/0xd50 net/core/rtnetlink.c:6396
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2546
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1913
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:747
____sys_sendmsg+0x71c/0x900 net/socket.c:2503
___sys_sendmsg+0x110/0x1b0 net/socket.c:2557
__sys_sendmsg+0xf7/0x1c0 net/socket.c:2586
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
Last potentially related work creation:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491
insert_work+0x48/0x360 kernel/workqueue.c:1365
__queue_work+0x625/0x1120 kernel/workqueue.c:1526
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0xbc/0x4b0 kernel/time/timer.c:1746
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
Second to last potentially related work creation:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
__kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491
insert_work+0x48/0x360 kernel/workqueue.c:1365
__queue_work+0x625/0x1120 kernel/workqueue.c:1526
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0xbc/0x4b0 kernel/time/timer.c:1746
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
The buggy address belongs to the object at ffff888028250000
which belongs to the cache kmalloc-cg-8k of size 8192
The buggy address is located 5376 bytes inside of
freed 8192-byte region [ffff888028250000, ffff888028252000)
The buggy address belongs to the physical page:
page:ffffea0000a09400 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028250000 pfn:0x28250
head:ffffea0000a09400 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000010200 ffff88801244f640 0000000000000000 0000000000000001
raw: ffff888028250000 0000000080020001 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 0xd60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5048, tgid 5048 (syz-executor.4), ts 118021227327, free_ts 41265061120
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1722
prep_new_page mm/page_alloc.c:1729 [inline]
get_page_from_freelist+0xf41/0x2c00 mm/page_alloc.c:3493
__alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4759
alloc_pages+0x1aa/0x270 mm/mempolicy.c:2277
alloc_slab_page mm/slub.c:1851 [inline]
allocate_slab+0x25f/0x390 mm/slub.c:1998
new_slab mm/slub.c:2051 [inline]
___slab_alloc+0xa91/0x1400 mm/slub.c:3192
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3291
__slab_alloc_node mm/slub.c:3344 [inline]
slab_alloc_node mm/slub.c:3441 [inline]
__kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3490
__do_kmalloc_node mm/slab_common.c:965 [inline]
__kmalloc_node+0x51/0x1a0 mm/slab_common.c:973
kmalloc_node include/linux/slab.h:579 [inline]
kvmalloc_node+0x76/0x1a0 mm/util.c:604
kvmalloc include/linux/slab.h:697 [inline]
kvzalloc include/linux/slab.h:705 [inline]
alloc_netdev_mqs+0x9c/0x1250 net/core/dev.c:10626
rtnl_create_link+0xbeb/0xee0 net/core/rtnetlink.c:3315
rtnl_newlink_create net/core/rtnetlink.c:3433 [inline]
__rtnl_newlink+0xfd4/0x1840 net/core/rtnetlink.c:3660
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3673
rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6395
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2546
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1302 [inline]
free_unref_page_prepare+0x62e/0xcb0 mm/page_alloc.c:2555
free_unref_page+0x33/0x370 mm/page_alloc.c:2650
__unfreeze_partials+0x17c/0x1a0 mm/slub.c:2636
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x195/0x220 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x63/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:711 [inline]
slab_alloc_node mm/slub.c:3451 [inline]
slab_alloc mm/slub.c:3459 [inline]
__kmem_cache_alloc_lru mm/slub.c:3466 [inline]
kmem_cache_alloc+0x17c/0x3b0 mm/slub.c:3475
mt_alloc_one lib/maple_tree.c:159 [inline]
mas_alloc_nodes+0x4dd/0x880 lib/maple_tree.c:1287
mas_node_count_gfp lib/maple_tree.c:1367 [inline]
mas_preallocate+0x1bb/0x360 lib/maple_tree.c:5781
vma_iter_prealloc mm/internal.h:1029 [inline]
vma_expand+0x241/0xc50 mm/mmap.c:697
mmap_region+0x1a2b/0x28d0 mm/mmap.c:2620
do_mmap+0x831/0xf60 mm/mmap.c:1394
vm_mmap_pgoff+0x1a2/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1440
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Memory state around the buggy address:
ffff888028251400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888028251480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888028251500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888028251580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888028251600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: eb 03 jmp 0x5
2: 83 e3 01 and $0x1,%ebx
5: 89 de mov %ebx,%esi
7: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
c: 84 db test %bl,%bl
e: 75 1b jne 0x2b
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 66 90 xchg %ax,%ax
17: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
1c: 0f 00 2d c7 a2 a2 00 verw 0xa2a2c7(%rip) # 0xa2a2ea
23: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
28: fb sti
29: f4 hlt
* 2a: fa cli <-- trapping instruction
2b: 5b pop %rbx
2c: c3 retq
2d: cc int3
2e: 0f 1f 00 nopl (%rax)
31: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
38: 00 00
3a: 55 push %rbp
3b: 48 89 fd mov %rdi,%rbp
3e: 53 push %rbx
3f: 0f .byte 0xf