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 CPU: 1 PID: 32619 Comm: syz-executor.0 Not tainted 5.2.0+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rose_transmit_link+0x32/0x487 net/rose/rose_link.c:263 Code: 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 a4 a2 0c fb 49 8d 7c 24 32 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 97 03 00 00 RSP: 0018:ffff8880465afa18 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005f65000 RDX: 0000000000000006 RSI: ffffffff8665e23c RDI: 0000000000000032 RBP: ffff8880465afa48 R08: ffff888065552240 R09: ffffed101188722d R10: ffffed101188722c R11: ffff88808c439163 R12: 0000000000000000 R13: ffff8880a4fb5dc0 R14: 0000000000000013 R15: ffff88808c4390da FS: 00007fd900ea4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd12f55050 CR3: 0000000055f8a000 CR4: 00000000001406e0 Call Trace: rose_write_internal+0x2a7/0x17f0 net/rose/rose_subr.c:198 rose_release+0x1ac/0x450 net/rose/af_rose.c:633 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 get_signal+0x2078/0x2500 kernel/signal.c:2522 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd900ea3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000040 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd900ea46d4 R13: 00000000004bfe1a R14: 00000000004d1bd8 R15: 00000000ffffffff Modules linked in: