FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x40c/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4523 [inline] slab_alloc_node mm/slub.c:4876 [inline] __do_kmalloc_node mm/slub.c:5295 [inline] __kmalloc_noprof+0xe8/0x750 mm/slub.c:5308 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] kobject_get_path+0xc5/0x2f0 lib/kobject.c:161 kobject_rename+0x194/0x500 lib/kobject.c:490 device_rename+0x15d/0x210 drivers/base/core.c:4566 __dev_change_net_namespace+0x1519/0x1fb0 net/core/dev.c:12653 do_setlink+0x2d1/0x4670 net/core/rtnetlink.c:3083 rtnl_changelink net/core/rtnetlink.c:3800 [inline] __rtnl_newlink net/core/rtnetlink.c:3973 [inline] rtnl_newlink+0x15c2/0x1bd0 net/core/rtnetlink.c:4110 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:6997 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2555 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x9b9/0xa20 net/socket.c:2687 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2741 __sys_sendmsg net/socket.c:2773 [inline] __do_sys_sendmsg net/socket.c:2778 [inline] __se_sys_sendmsg net/socket.c:2776 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2776 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f033c19ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f033cffffe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f033c416090 RCX: 00007f033c19ce59 RDX: 0000000004000010 RSI: 0000200000000280 RDI: 0000000000000005 RBP: 00007f033d000050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f033c416128 R14: 00007f033c416090 R15: 00007ffc14d143d8 ------------[ cut here ]------------ err WARNING: net/core/dev.c:12655 at __dev_change_net_namespace+0x1db1/0x1fb0 net/core/dev.c:12655, CPU#0: syz.0.0/5332 Modules linked in: CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__dev_change_net_namespace+0x1db1/0x1fb0 net/core/dev.c:12655 Code: f8 48 c7 c7 60 b1 dd 8c 48 c7 c6 c0 af dd 8c 8b 54 24 24 48 c7 c1 00 b0 dd 8c e8 9a df aa f7 e9 cd fe ff ff e8 b0 9a 48 f8 90 <0f> 0b 90 e9 8c f7 ff ff e8 a2 9a 48 f8 90 0f 0b 90 e9 a3 fb ff ff RSP: 0018:ffffc900037ee800 EFLAGS: 00010293 RAX: ffffffff897ccc20 RBX: 1ffff110025174ea RCX: ffff88801f44ca80 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffffc900037eec30 R08: ffffffff902ff1f7 R09: 1ffffffff205fe3e R10: dffffc0000000000 R11: fffffbfff205fe3f R12: ffff8880415f8000 R13: dffffc0000000000 R14: ffff8880128ba754 R15: 00000000fffffff4 FS: 00007f033d0006c0(0000) GS:ffff88808c8a6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f033c3ee6b8 CR3: 000000001fc4b000 CR4: 0000000000352ef0 Call Trace: do_setlink+0x2d1/0x4670 net/core/rtnetlink.c:3083 rtnl_changelink net/core/rtnetlink.c:3800 [inline] __rtnl_newlink net/core/rtnetlink.c:3973 [inline] rtnl_newlink+0x15c2/0x1bd0 net/core/rtnetlink.c:4110 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:6997 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2555 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x9b9/0xa20 net/socket.c:2687 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2741 __sys_sendmsg net/socket.c:2773 [inline] __do_sys_sendmsg net/socket.c:2778 [inline] __se_sys_sendmsg net/socket.c:2776 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2776 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f033c19ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f033cffffe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f033c416090 RCX: 00007f033c19ce59 RDX: 0000000004000010 RSI: 0000200000000280 RDI: 0000000000000005 RBP: 00007f033d000050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f033c416128 R14: 00007f033c416090 R15: 00007ffc14d143d8