IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 8812 Comm: syz-executor.0 Not tainted 4.14.196-syzkaller #0 kasan: GPF could be caused by NULL-ptr deref or user memory access Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888090dca480 task.stack: ffff888082b28000 RIP: 0010:locks_inode include/linux/fs.h:1060 [inline] RIP: 0010:locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: 0018:ffff888082b2fd70 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000000b RSI: 0000000000000001 RDI: 0000000000000058 RBP: ffff888095c12d00 R08: ffff8880aeb2beb0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888095c12e98 R13: ffff888095c12d7c R14: ffff88807ed5c4f0 R15: ffff888095c12d10 FS: 00007f525cec0700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a3b73 CR3: 0000000091e52000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __fput+0x1ca/0x7a0 fs/file_table.c:202 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f525cebfc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000006 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000340 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe3b80570f R14: 00007f525cec09c0 R15: 000000000118cf4c Code: 18 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 83 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 18 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 56 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 RIP: locks_inode include/linux/fs.h:1060 [inline] RSP: ffff888082b2fd70 RIP: locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: ffff888082b2fd70 general protection fault: 0000 [#2] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8800 Comm: syz-executor.4 Tainted: G D 4.14.196-syzkaller #0 ---[ end trace 17d949afc5eac364 ]--- Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888090ab63c0 task.stack: ffff888093498000 RIP: 0010:__sock_release+0xbb/0x2b0 net/socket.c:602 RSP: 0018:ffff88809349fdc0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88807ed5b000 RCX: 000000000000754e RDX: 0000000000000002 RSI: 0000000000000001 RDI: 0000000000000010 RBP: ffff88807ed5b110 R08: ffffffff8a0b43f0 R09: 000000000004044f R10: ffff888090ab6c48 R11: ffff888090ab63c0 R12: 0000000000000000 R13: ffff88807ed5b028 R14: 0000000000000000 R15: ffff88809469e5d0 FS: 0000000002a4d940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f53a56be028 CR3: 0000000094216000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb