KASAN: use-after-free Read in sk_filter_trim_cap
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syzbot
Mar 9, 2022, 3:56:24 PM3/9/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15516ca1700000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=a2c9122e19b55550f151
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a2c912...@syzkaller.appspotmail.com
netlink: 58 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
FAT-fs (loop1): Invalid FSINFO signature: 0x41615252, 0x00000000 (sector = 1)
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:263 [inline]
BUG: KASAN: use-after-free in sk_filter_trim_cap+0x74e/0x7d0 net/core/filter.c:108
Read of size 8 at addr ffff8880afa56280 by task syz-executor.0/6040
CPU: 1 PID: 6040 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
kasan_report mm/kasan/report.c:412 [inline]
__asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433
__read_once_size include/linux/compiler.h:263 [inline]
sk_filter_trim_cap+0x74e/0x7d0 net/core/filter.c:108
sk_filter include/linux/filter.h:746 [inline]
sock_queue_rcv_skb+0x20/0x60 net/core/sock.c:441
packet_rcv_spkt+0x466/0x5d0 net/packet/af_packet.c:1853
deliver_skb net/core/dev.c:1956 [inline]
dev_queue_xmit_nit+0x24d/0xa20 net/core/dev.c:2012
xmit_one net/core/dev.c:3252 [inline]
dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272
__dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838
hsr_xmit net/hsr/hsr_forward.c:237 [inline]
hsr_forward_do net/hsr/hsr_forward.c:295 [inline]
hsr_forward_skb+0xd2d/0x1c30 net/hsr/hsr_forward.c:373
send_hsr_supervision_frame+0x917/0xf70 net/hsr/hsr_device.c:321
hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:rcu_read_unlock_special+0x456/0xfc0 kernel/rcu/tree_plugin.h:601
Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 bd 09 00 00 48 83 3d ee 24 a0 08 00 0f 84 37 06 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 c3 48
RSP: 0018:ffff88809cd4f6a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000000 RCX: 1ffff1101530c185
RDX: dffffc0000000000 RSI: ffff8880a9860c30 RDI: 0000000000000286
RBP: ffff8880a98606f4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a9860380
R13: ffff8880a98606f6 R14: ffff8880a98606f5 R15: ffffffff89f88280
__rcu_read_unlock+0x158/0x160 kernel/rcu/tree_plugin.h:428
rcu_read_unlock include/linux/rcupdate.h:680 [inline]
__unlock_page_memcg+0x54/0x100 mm/memcontrol.c:1955
page_remove_rmap+0xe5/0x120 mm/rmap.c:1297
zap_pte_range mm/memory.c:1350 [inline]
zap_pmd_range mm/memory.c:1463 [inline]
zap_pud_range mm/memory.c:1492 [inline]
zap_p4d_range mm/memory.c:1513 [inline]
unmap_page_range+0x147d/0x2c50 mm/memory.c:1534
unmap_single_vma+0x198/0x300 mm/memory.c:1579
unmap_vmas+0xa9/0x180 mm/memory.c:1609
exit_mmap+0x2b9/0x530 mm/mmap.c:3093
__mmput kernel/fork.c:1016 [inline]
mmput+0x14e/0x4a0 kernel/fork.c:1037
exit_mm kernel/exit.c:549 [inline]
do_exit+0xaec/0x2be0 kernel/exit.c:857
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f910aad4049
Code: Bad RIP value.
RSP: 002b:00007f9109449168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffe0 RBX: 00007f910abe6f60 RCX: 00007f910aad4049
RDX: 00000000000000b5 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 00007f910ab2e08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe33c37c4f R14: 00007f9109449300 R15: 0000000000022000
Allocated by task 6018:
__do_kmalloc mm/slab.c:3727 [inline]
__kmalloc+0x15a/0x3c0 mm/slab.c:3736
kmalloc include/linux/slab.h:520 [inline]
sk_prot_alloc+0x1e2/0x2d0 net/core/sock.c:1483
sk_alloc+0x36/0xec0 net/core/sock.c:1537
packet_create+0x117/0x850 net/packet/af_packet.c:3259
__sock_create+0x3d8/0x740 net/socket.c:1365
sock_create net/socket.c:1416 [inline]
__sys_socket+0xef/0x200 net/socket.c:1458
__do_sys_socket net/socket.c:1467 [inline]
__se_sys_socket net/socket.c:1465 [inline]
__x64_sys_socket+0x6f/0xb0 net/socket.c:1465
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 6018:
__cache_free mm/slab.c:3503 [inline]
kfree+0xcc/0x210 mm/slab.c:3822
sk_prot_free net/core/sock.c:1520 [inline]
__sk_destruct+0x684/0x8a0 net/core/sock.c:1602
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
sock_put include/net/sock.h:1713 [inline]
packet_release+0x890/0xb70 net/packet/af_packet.c:3088
__sock_release+0xcd/0x2a0 net/socket.c:599
sock_close+0x15/0x20 net/socket.c:1214
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xbf3/0x2be0 kernel/exit.c:870
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The buggy address belongs to the object at ffff8880afa56080
which belongs to the cache kmalloc-4096 of size 4096
The buggy address is located 512 bytes inside of
4096-byte region [ffff8880afa56080, ffff8880afa57080)
The buggy address belongs to the page:
page:ffffea0002be9580 count:1 mapcount:0 mapping:ffff88813bff0dc0 index:0x0 compound_mapcount: 0
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffffea0002c31988 ffffea0002adc388 ffff88813bff0dc0
raw: 0000000000000000 ffff8880afa56080 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880afa56180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880afa56200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880afa56280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880afa56300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880afa56380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 7 bytes skipped:
0: df 48 c1 fisttps -0x3f(%rax)
3: e8 03 80 3c 10 callq 0x103c800b
8: 00 0f add %cl,(%rdi)
a: 85 bd 09 00 00 48 test %edi,0x48000009(%rbp)
10: 83 3d ee 24 a0 08 00 cmpl $0x0,0x8a024ee(%rip) # 0x8a02505
17: 0f 84 37 06 00 00 je 0x654
1d: 48 8b 3c 24 mov (%rsp),%rdi
21: 57 push %rdi
22: 9d popfq
* 23: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction
28: 48 83 c4 40 add $0x40,%rsp
2c: 5b pop %rbx
2d: 5d pop %rbp
2e: 41 5c pop %r12
30: 41 5d pop %r13
32: 41 5e pop %r14
34: 41 5f pop %r15
36: c3 retq
37: c3 retq
38: 48 rex.W
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15516ca1700000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=a2c9122e19b55550f151
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a2c912...@syzkaller.appspotmail.com
netlink: 58 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
FAT-fs (loop1): Invalid FSINFO signature: 0x41615252, 0x00000000 (sector = 1)
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:263 [inline]
BUG: KASAN: use-after-free in sk_filter_trim_cap+0x74e/0x7d0 net/core/filter.c:108
Read of size 8 at addr ffff8880afa56280 by task syz-executor.0/6040
CPU: 1 PID: 6040 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
kasan_report mm/kasan/report.c:412 [inline]
__asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433
__read_once_size include/linux/compiler.h:263 [inline]
sk_filter_trim_cap+0x74e/0x7d0 net/core/filter.c:108
sk_filter include/linux/filter.h:746 [inline]
sock_queue_rcv_skb+0x20/0x60 net/core/sock.c:441
packet_rcv_spkt+0x466/0x5d0 net/packet/af_packet.c:1853
deliver_skb net/core/dev.c:1956 [inline]
dev_queue_xmit_nit+0x24d/0xa20 net/core/dev.c:2012
xmit_one net/core/dev.c:3252 [inline]
dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272
__dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838
hsr_xmit net/hsr/hsr_forward.c:237 [inline]
hsr_forward_do net/hsr/hsr_forward.c:295 [inline]
hsr_forward_skb+0xd2d/0x1c30 net/hsr/hsr_forward.c:373
send_hsr_supervision_frame+0x917/0xf70 net/hsr/hsr_device.c:321
hsr_announce+0x125/0x3a0 net/hsr/hsr_device.c:350
call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1696 [inline]
run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:rcu_read_unlock_special+0x456/0xfc0 kernel/rcu/tree_plugin.h:601
Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 bd 09 00 00 48 83 3d ee 24 a0 08 00 0f 84 37 06 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 c3 48
RSP: 0018:ffff88809cd4f6a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: 0000000000000000 RCX: 1ffff1101530c185
RDX: dffffc0000000000 RSI: ffff8880a9860c30 RDI: 0000000000000286
RBP: ffff8880a98606f4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a9860380
R13: ffff8880a98606f6 R14: ffff8880a98606f5 R15: ffffffff89f88280
__rcu_read_unlock+0x158/0x160 kernel/rcu/tree_plugin.h:428
rcu_read_unlock include/linux/rcupdate.h:680 [inline]
__unlock_page_memcg+0x54/0x100 mm/memcontrol.c:1955
page_remove_rmap+0xe5/0x120 mm/rmap.c:1297
zap_pte_range mm/memory.c:1350 [inline]
zap_pmd_range mm/memory.c:1463 [inline]
zap_pud_range mm/memory.c:1492 [inline]
zap_p4d_range mm/memory.c:1513 [inline]
unmap_page_range+0x147d/0x2c50 mm/memory.c:1534
unmap_single_vma+0x198/0x300 mm/memory.c:1579
unmap_vmas+0xa9/0x180 mm/memory.c:1609
exit_mmap+0x2b9/0x530 mm/mmap.c:3093
__mmput kernel/fork.c:1016 [inline]
mmput+0x14e/0x4a0 kernel/fork.c:1037
exit_mm kernel/exit.c:549 [inline]
do_exit+0xaec/0x2be0 kernel/exit.c:857
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f910aad4049
Code: Bad RIP value.
RSP: 002b:00007f9109449168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffe0 RBX: 00007f910abe6f60 RCX: 00007f910aad4049
RDX: 00000000000000b5 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 00007f910ab2e08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe33c37c4f R14: 00007f9109449300 R15: 0000000000022000
Allocated by task 6018:
__do_kmalloc mm/slab.c:3727 [inline]
__kmalloc+0x15a/0x3c0 mm/slab.c:3736
kmalloc include/linux/slab.h:520 [inline]
sk_prot_alloc+0x1e2/0x2d0 net/core/sock.c:1483
sk_alloc+0x36/0xec0 net/core/sock.c:1537
packet_create+0x117/0x850 net/packet/af_packet.c:3259
__sock_create+0x3d8/0x740 net/socket.c:1365
sock_create net/socket.c:1416 [inline]
__sys_socket+0xef/0x200 net/socket.c:1458
__do_sys_socket net/socket.c:1467 [inline]
__se_sys_socket net/socket.c:1465 [inline]
__x64_sys_socket+0x6f/0xb0 net/socket.c:1465
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 6018:
__cache_free mm/slab.c:3503 [inline]
kfree+0xcc/0x210 mm/slab.c:3822
sk_prot_free net/core/sock.c:1520 [inline]
__sk_destruct+0x684/0x8a0 net/core/sock.c:1602
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
sock_put include/net/sock.h:1713 [inline]
packet_release+0x890/0xb70 net/packet/af_packet.c:3088
__sock_release+0xcd/0x2a0 net/socket.c:599
sock_close+0x15/0x20 net/socket.c:1214
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xbf3/0x2be0 kernel/exit.c:870
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The buggy address belongs to the object at ffff8880afa56080
which belongs to the cache kmalloc-4096 of size 4096
The buggy address is located 512 bytes inside of
4096-byte region [ffff8880afa56080, ffff8880afa57080)
The buggy address belongs to the page:
page:ffffea0002be9580 count:1 mapcount:0 mapping:ffff88813bff0dc0 index:0x0 compound_mapcount: 0
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffffea0002c31988 ffffea0002adc388 ffff88813bff0dc0
raw: 0000000000000000 ffff8880afa56080 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880afa56180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880afa56200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880afa56280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880afa56300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880afa56380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 7 bytes skipped:
0: df 48 c1 fisttps -0x3f(%rax)
3: e8 03 80 3c 10 callq 0x103c800b
8: 00 0f add %cl,(%rdi)
a: 85 bd 09 00 00 48 test %edi,0x48000009(%rbp)
10: 83 3d ee 24 a0 08 00 cmpl $0x0,0x8a024ee(%rip) # 0x8a02505
17: 0f 84 37 06 00 00 je 0x654
1d: 48 8b 3c 24 mov (%rsp),%rdi
21: 57 push %rdi
22: 9d popfq
* 23: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction
28: 48 83 c4 40 add $0x40,%rsp
2c: 5b pop %rbx
2d: 5d pop %rbp
2e: 41 5c pop %r12
30: 41 5d pop %r13
32: 41 5e pop %r14
34: 41 5f pop %r15
36: c3 retq
37: c3 retq
38: 48 rex.W
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Jul 7, 2022, 4:56:24 PM7/7/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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