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: 5461 Comm: kworker/1:2 Not tainted 4.19.0-rc8+ #270 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff88019ee17478 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff868d85b3 RDI: 0000000000000028 RBP: ffff88019ee175a0 R08: ffff88019edfe080 R09: ffffed0033dc2e6a R10: ffffed0033dc2e6a R11: 0000000000000003 R12: ffff8801ca4a1980 R13: ffff88019ee174b8 R14: ffff88019ee17578 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f9e938 CR3: 000000019d781000 CR4: 00000000001406e0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. kernel_accept+0x136/0x310 net/socket.c:3252 kobject: 'loop4' (00000000f1cbd931): kobject_uevent_env smc_clcsock_accept net/smc/af_smc.c:834 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1302 kobject: 'loop4' (00000000f1cbd931): fill_kobj_path: path = '/devices/virtual/block/loop4' process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153 kobject: 'loop2' (000000007c852629): kobject_uevent_env kobject: 'loop2' (000000007c852629): fill_kobj_path: path = '/devices/virtual/block/loop2' worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kobject: 'loop3' (000000009fdc95ad): kobject_uevent_env kobject: 'loop3' (000000009fdc95ad): fill_kobj_path: path = '/devices/virtual/block/loop3' kthread+0x35a/0x420 kernel/kthread.c:246 kobject: 'loop1' (00000000f24a5a34): kobject_uevent_env ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Modules linked in: kobject: 'loop1' (00000000f24a5a34): fill_kobj_path: path = '/devices/virtual/block/loop1' ---[ end trace 20212c76a218c70e ]--- RIP: 0010:inet_accept+0x106/0x9e0 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e 54 07 00 00 41 c7 86 40 ff ff ff ea ff ff ff 48 8d 78 28 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 56 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. kobject: 'loop5' (00000000131de412): kobject_uevent_env RSP: 0018:ffff88019ee17478 EFLAGS: 00010206 kobject: 'loop5' (00000000131de412): fill_kobj_path: path = '/devices/virtual/block/loop5' RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff868d85b3 RDI: 0000000000000028 kobject: 'loop4' (00000000f1cbd931): kobject_uevent_env RBP: ffff88019ee175a0 R08: ffff88019edfe080 R09: ffffed0033dc2e6a kobject: 'loop4' (00000000f1cbd931): fill_kobj_path: path = '/devices/virtual/block/loop4' R10: ffffed0033dc2e6a R11: 0000000000000003 R12: ffff8801ca4a1980 kobject: 'loop3' (000000009fdc95ad): kobject_uevent_env R13: ffff88019ee174b8 R14: ffff88019ee17578 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'loop3' (000000009fdc95ad): fill_kobj_path: path = '/devices/virtual/block/loop3' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000706158 CR3: 00000001bb748000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop2' (000000007c852629): kobject_uevent_env kobject: 'loop2' (000000007c852629): fill_kobj_path: path = '/devices/virtual/block/loop2'