mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 1 PID: 9706 Comm: syz-executor.6 Not tainted 5.10.60 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:cgroup_file_write+0xc7/0x780 kernel/cgroup/cgroup.c:3680
Code: c1 e8 03 42 80 3c 28 00 0f 85 43 06 00 00 4d 8b af f8 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 40 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 13 06 00 00 49 8b 45 40 48 89 ea 48 c1 ea 03 48
RSP: 0018:ffff888040a9f5f8 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 1ffff11008153ec2 RCX: ffffffff813815c2
RDX: 0000000000000008 RSI: ffffffff813815d2 RDI: 0000000000000040
RBP: ffff888040d5b400 R08: 0000000000000001 R09: ffffffff8653e68f
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000040
R13: 0000000000000000 R14: ffff88800ee55180 R15: ffff888046856500
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc031b5080 CR3: 000000003f7e0000 CR4: 0000000000350ee0
Call Trace:
 kernfs_fop_write_iter+0x340/0x500 fs/kernfs/file.c:296
 __kernel_write+0x58a/0xa90 fs/read_write.c:550
 do_acct_process+0xc8e/0x1330 kernel/acct.c:522
 acct_pin_kill+0x29/0xf0 kernel/acct.c:174
 pin_kill+0x17c/0x750 fs/fs_pin.c:44
 mnt_pin_kill+0x62/0x1c0 fs/fs_pin.c:81
 cleanup_mnt+0x410/0x500 fs/namespace.c:1111
 task_work_run+0xe2/0x1a0 kernel/task_work.c:151
 exit_task_work include/linux/task_work.h:30 [inline]
 do_exit+0xc0f/0x2770 kernel/exit.c:811
 do_group_exit+0x125/0x310 kernel/exit.c:908
 get_signal+0x469/0x2210 kernel/signal.c:2758
 arch_do_signal+0x88/0x1b00 arch/x86/kernel/signal.c:805
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
Code: Unable to access opcode bytes at RIP 0x4665df.
RSP: 002b:00007f7238aac218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88
RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c
R13: 00007ffe28d793cf R14: 00007f7238aac300 R15: 0000000000022000
Modules linked in:
---[ end trace 477debd9a06fa886 ]---
RIP: 0010:cgroup_file_write+0xc7/0x780 kernel/cgroup/cgroup.c:3680
Code: c1 e8 03 42 80 3c 28 00 0f 85 43 06 00 00 4d 8b af f8 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 40 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 13 06 00 00 49 8b 45 40 48 89 ea 48 c1 ea 03 48
RSP: 0018:ffff888040a9f5f8 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 1ffff11008153ec2 RCX: ffffffff813815c2
RDX: 0000000000000008 RSI: ffffffff813815d2 RDI: 0000000000000040
RBP: ffff888040d5b400 R08: 0000000000000001 R09: ffffffff8653e68f
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000040
R13: 0000000000000000 R14: ffff88800ee55180 R15: ffff888046856500
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc031b5080 CR3: 000000003f7e0000 CR4: 0000000000350ee0
Fixing recursive fault but reboot is needed!