general protection fault in klist_iter

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	general protection fault in klist_iter_exit				1	866d	866d	0/1	auto-closed as invalid on 2022/04/04 03:07
linux-4.19	general protection fault in klist_iter_exit	C		error	89	598d	1102d	0/1	upstream: reported C repro on 2021/04/12 19:06
upstream	general protection fault in klist_iter_exit net nfc	C	unreliable	inconclusive	54	832d	1139d	0/26	auto-obsoleted due to no activity on 2022/09/16 23:48
android-5-10	general protection fault in klist_iter_exit	C	error		5	859d	895d	1/2	fixed on 2021/12/20 18:14

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: 31432 Comm: kworker/1:6 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x27/0xf0 lib/klist.c:313 Code: 44 00 00 55 41 57 41 56 41 55 41 54 53 49 89 ff 48 bd 00 00 00 00 00 fc ff df e8 94 74 42 fd 49 83 c7 08 4d 89 fd 49 c1 ed 03 <41> 80 7c 2d 00 00 74 08 4c 89 ff e8 e9 90 6f fd 4d 8b 37 4d 85 f6 RSP: 0018:ffff8881e55ffc58 EFLAGS: 00010202 RAX: ffffffff841e5c2c RBX: 0000000000000000 RCX: ffff8881c74d6e40 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed103cabff8d R10: ffffed103cabff8d R11: 0000000000000000 R12: 1ffffffff0a5148b R13: 0000000000000001 R14: ffff8881e381f398 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf083df028 CR3: 00000001e0898000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nfc_device_iter_exit net/nfc/nfc.h:121 [inline] nfc_genl_dump_devices_done+0x37/0x50 net/nfc/netlink.c:647 genl_lock_done+0x7b/0xa0 net/netlink/genetlink.c:495 netlink_sock_destruct+0x79/0x250 net/netlink/af_netlink.c:389 __sk_destruct+0x50/0x400 net/core/sock.c:1698 process_one_work+0x679/0x1030 kernel/workqueue.c:2278 worker_thread+0xa6f/0x1400 kernel/workqueue.c:2424 kthread+0x30f/0x330 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace e80cfd74d98ccf1a ]--- RIP: 0010:klist_iter_exit+0x27/0xf0 lib/klist.c:313 Code: 44 00 00 55 41 57 41 56 41 55 41 54 53 49 89 ff 48 bd 00 00 00 00 00 fc ff df e8 94 74 42 fd 49 83 c7 08 4d 89 fd 49 c1 ed 03 <41> 80 7c 2d 00 00 74 08 4c 89 ff e8 e9 90 6f fd 4d 8b 37 4d 85 f6 RSP: 0018:ffff8881e55ffc58 EFLAGS: 00010202 RAX: ffffffff841e5c2c RBX: 0000000000000000 RCX: ffff8881c74d6e40 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed103cabff8d R10: ffffed103cabff8d R11: 0000000000000000 R12: 1ffffffff0a5148b R13: 0000000000000001 R14: ffff8881e381f398 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001d54bb000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 44 00 00 add %r8b,(%rax) 3: 55 push %rbp 4: 41 57 push %r15 6: 41 56 push %r14 8: 41 55 push %r13 a: 41 54 push %r12 c: 53 push %rbx d: 49 89 ff mov %rdi,%r15 10: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 17: fc ff df 1a: e8 94 74 42 fd callq 0xfd4274b3 1f: 49 83 c7 08 add $0x8,%r15 23: 4d 89 fd mov %r15,%r13 26: 49 c1 ed 03 shr $0x3,%r13 * 2a: 41 80 7c 2d 00 00 cmpb $0x0,0x0(%r13,%rbp,1) <-- trapping instruction 30: 74 08 je 0x3a 32: 4c 89 ff mov %r15,%rdi 35: e8 e9 90 6f fd callq 0xfd6f9123 3a: 4d 8b 37 mov (%r15),%r14 3d: 4d 85 f6 test %r14,%r14