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: 9330 Comm: syz-executor.0 Not tainted 4.19.183-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:nla_len include/net/netlink.h:706 [inline] RIP: 0010:nla_parse_nested include/net/netlink.h:765 [inline] RIP: 0010:nl802154_del_llsec_key+0x16d/0x340 net/ieee802154/nl802154.c:1615 Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 01 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 13 RSP: 0018:ffff8880b43e75e0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88823a409000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87c58c17 RDI: ffff88823a409128 RBP: 1ffff1101687cebe R08: 0000000000000000 R09: ffff8880b43e7920 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888238754300 R13: ffff8880ab63d090 R14: ffff88823a409000 R15: ffffffff89cf67c0 FS: 00007f687fafd700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052f4d0 CR3: 0000000046abe000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f687fafd188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffdf1346adf R14: 00007f687fafd300 R15: 0000000000022000 Modules linked in: FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9354 Comm: syz-executor.1 Tainted: G D 4.19.183-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ---[ end trace 56529b97803dcad5 ]--- Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 RIP: 0010:nla_len include/net/netlink.h:706 [inline] RIP: 0010:nla_parse_nested include/net/netlink.h:765 [inline] RIP: 0010:nl802154_del_llsec_key+0x16d/0x340 net/ieee802154/nl802154.c:1615 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1588 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557 Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 01 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 13 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 __netlink_deliver_tap_skb net/netlink/af_netlink.c:296 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline] netlink_deliver_tap+0x955/0xb00 net/netlink/af_netlink.c:334 __netlink_sendskb net/netlink/af_netlink.c:1262 [inline] netlink_dump+0x5a8/0xc10 net/netlink/af_netlink.c:2243 __netlink_dump_start+0x4e9/0x6f0 net/netlink/af_netlink.c:2330 RSP: 0018:ffff8880b43e75e0 EFLAGS: 00010246 netlink_dump_start include/linux/netlink.h:213 [inline] unix_diag_handler_dump+0x358/0x6e0 net/unix/diag.c:308 RAX: dffffc0000000000 RBX: ffff88823a409000 RCX: 0000000000000000 __sock_diag_cmd net/core/sock_diag.c:232 [inline] sock_diag_rcv_msg+0x2fe/0x3e0 net/core/sock_diag.c:263 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 RDX: 0000000000000000 RSI: ffffffff87c58c17 RDI: ffff88823a409128 sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:274 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 RBP: 1ffff1101687cebe R08: 0000000000000000 R09: ffff8880b43e7920 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888238754300 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 sock_write_iter+0x287/0x3c0 net/socket.c:901 R13: ffff8880ab63d090 R14: ffff88823a409000 R15: ffffffff89cf67c0 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 FS: 00007f687fafd700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f09d8644188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000029 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f09d86441d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 CR2: 00007fe588314718 CR3: 0000000046abe000 CR4: 00000000001406e0 R13: 00007fffe5580e4f R14: 00007f09d8644300 R15: 0000000000022000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400