SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1013 sclass=netlink_route_socket pid=20541 comm=syz-executor.0
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 20541 at lib/refcount.c:28 refcount_warn_saturate+0x103/0x1f0 lib/refcount.c:28
Modules linked in:
CPU: 1 PID: 20541 Comm: syz-executor.0 Not tainted 5.10.49 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:refcount_warn_saturate+0x103/0x1f0 lib/refcount.c:28
Code: 1d a4 a2 54 03 31 ff 89 de e8 69 69 51 ff 84 db 75 a3 e8 30 70 51 ff 48 c7 c7 e0 33 3b 84 c6 05 84 a2 54 03 01 e8 b9 a4 c8 01 <0f> 0b eb 87 e8 14 70 51 ff 0f b6 1d 6d a2 54 03 31 ff 89 de e8 34
RSP: 0018:ffff88804b3cf9f8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81293b93 RDI: ffffed1009679f31
RBP: ffff88804fc76cdc R08: 0000000000000001 R09: ffff88806cf1ff9b
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804fc76cdc
R13: 0000000000002844 R14: ffff88804fc76198 R15: 0000000000000000
FS:  00007f12296fb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c623000 CR3: 000000004690c000 CR4: 0000000000350ee0
Call Trace:
 __refcount_sub_and_test include/linux/refcount.h:283 [inline]
 __refcount_dec_and_test include/linux/refcount.h:315 [inline]
 refcount_dec_and_test include/linux/refcount.h:333 [inline]
 io_put_req+0xc6/0x100 fs/io_uring.c:2220
 __io_queue_sqe+0x1df/0xd00 fs/io_uring.c:6365
 io_queue_sqe+0x5bc/0x1020 fs/io_uring.c:6410
 io_queue_link_head fs/io_uring.c:6421 [inline]
 io_submit_sqe fs/io_uring.c:6462 [inline]
 io_submit_sqes+0x176b/0x2300 fs/io_uring.c:6707
 __do_sys_io_uring_enter+0x1092/0x1910 fs/io_uring.c:9100
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f12296fb188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 00000000000076d3 RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe5cb7873f R14: 00007f12296fb300 R15: 0000000000022000
irq event stamp: 1577
hardirqs last  enabled at (1587): [<ffffffff81290129>] console_unlock+0x929/0xb30 kernel/printk/printk.c:2552
hardirqs last disabled at (1596): [<ffffffff81290035>] console_unlock+0x835/0xb30 kernel/printk/printk.c:2467
softirqs last  enabled at (1492): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (1485): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
---[ end trace 0fa6c839e4366e45 ]---
EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1013 sclass=netlink_route_socket pid=20553 comm=syz-executor.0
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1548 sclass=netlink_route_socket pid=20564 comm=syz-executor.5
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1013 sclass=netlink_route_socket pid=20575 comm=syz-executor.0