kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 2255 Comm: kworker/1:3 Not tainted 4.19.0-rc2+ #224 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events smc_tcp_listen_work RIP: 0010:inet_accept+0x106/0xa40 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e c2 07 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 28 41 c7 86 40 ff ff ff ea ff ff ff 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 c0 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801cd277470 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff85b72c24 RDI: 0000000000000028 RBP: ffff8801cd277598 R08: ffff8801cd26a600 R09: ffffed0039a4ee69 R10: ffffed0039a4ee69 R11: 0000000000000003 R12: ffff880130a12980 R13: ffff8801cd2774b0 R14: ffff8801cd277570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 overlayfs: NFS export requires "redirect_dir=nofollow" on non-upper mount, falling back to nfs_export=off. CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e925000 CR3: 000000018b2cf000 CR4: 00000000001426e0 Call Trace: overlayfs: failed to resolve 'A': -2 kernel_accept+0x136/0x310 net/socket.c:3241 smc_clcsock_accept net/smc/af_smc.c:831 [inline] smc_tcp_listen_work+0x218/0x11c0 net/smc/af_smc.c:1296 process_one_work+0xc73/0x1aa0 kernel/workqueue.c:2153 worker_thread+0x189/0x13c0 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Modules linked in: Dumping ftrace buffer: --------------------------------- CPU:1 [LOST 1631 EVENTS] syz-exec-26537 1...2 726685071us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685077us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685082us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685087us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685092us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685098us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685103us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685108us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685113us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685126us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685132us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685137us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685142us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685147us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685152us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685157us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685162us : 0: u0000000055dcd038 syz-exec-26537 1.N.2 726685216us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685395us : 0: u0000000055dcd038 syz-exec-26537 1.N.2 726685433us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685492us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685498us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685503us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685508us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685514us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685519us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685524us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685529us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685534us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685540us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685545us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685550us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685555us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685560us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685565us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685571us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685576us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685581us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685586us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685591us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685596us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685601us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685606us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685611us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685616us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685621us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685627us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685632us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685638us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685643us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685648us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685653us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685658us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685664us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685669us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685674us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685679us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685684us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685690us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685695us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685700us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685706us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685711us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685716us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685721us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685727us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685732us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685737us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685742us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685747us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685752us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685757us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685763us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685768us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685773us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685778us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685783us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685788us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685793us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685799us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685804us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685809us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685814us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685819us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685825us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685830us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685835us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685840us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685845us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685850us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685855us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685861us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685866us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685870us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685876us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685881us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685886us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685891us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685896us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685901us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685906us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685911us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685918us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685924us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685928us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685934us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685938us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685944us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685949us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685954us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685959us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685965us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685969us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685974us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685979us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685985us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685990us : 0: u0000000055dcd038 syz-exec-26537 1...2 726685995us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686000us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686005us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686010us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686016us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686021us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686026us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686031us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686036us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686041us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686046us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686051us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686056us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686062us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686067us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686073us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686078us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686083us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686088us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686094us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686099us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686104us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686109us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686114us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686128us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686133us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686138us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686143us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686148us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686154us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686159us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686163us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686168us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686174us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686179us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686184us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686189us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686194us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686199us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686204us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686209us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686214us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686220us : 0: u0000000055dcd038 syz-exec-26537 1...2 726686225us : 0: u0000000055dcd038 --------------------------------- ---[ end trace 6b07de9bc08dbc4c ]--- RIP: 0010:inet_accept+0x106/0xa40 net/ipv4/af_inet.c:734 Code: 09 80 fa 03 0f 8e c2 07 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 28 41 c7 86 40 ff ff ff ea ff ff ff 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 c0 07 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8801cd277470 EFLAGS: 00010206 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000005 RDX: dffffc0000000000 RSI: ffffffff85b72c24 RDI: 0000000000000028 RBP: ffff8801cd277598 R08: ffff8801cd26a600 R09: ffffed0039a4ee69 R10: ffffed0039a4ee69 R11: 0000000000000003 R12: ffff880130a12980 R13: ffff8801cd2774b0 R14: ffff8801cd277570 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e925000 CR3: 000000000806a000 CR4: 00000000001426e0