Hello, syzbot found the following issue on: HEAD commit: 9f16d5e6f220 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14e6775f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fb680913ee293bcc dashboard link: https://syzkaller.appspot.com/bug?extid=3344d668bbbc12996d46 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-9f16d5e6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/15be8a79f63a/vmlinux-9f16d5e6.xz kernel image: https://storage.googleapis.com/syzbot-assets/82d8dde32162/bzImage-9f16d5e6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3344d668bbbc12996d46@xxxxxxxxxxxxxxxxxxxxxxxxx FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:53 [inline] should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154 should_failslab+0xac/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4038 [inline] slab_alloc_node mm/slub.c:4114 [inline] __do_kmalloc_node mm/slub.c:4263 [inline] __kmalloc_noprof+0xd8/0x400 mm/slub.c:4276 kmalloc_noprof include/linux/slab.h:883 [inline] kobject_rename+0xf2/0x410 lib/kobject.c:495 device_rename+0x16a/0x200 drivers/base/core.c:4577 __dev_change_net_namespace+0x11fb/0x1820 net/core/dev.c:11736 dev_change_net_namespace include/linux/netdevice.h:4018 [inline] cfg802154_switch_netns+0xc5/0x3d0 net/ieee802154/core.c:230 nl802154_wpan_phy_netns+0x13d/0x210 net/ieee802154/nl802154.c:1292 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd56a57e819 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd56b299038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd56a735fa0 RCX: 00007fd56a57e819 RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004 RBP: 00007fd56b299090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007fd56a735fa0 R15: 00007ffe74561238 </TASK> ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5337 at net/core/dev.c:11738 __dev_change_net_namespace+0x16ed/0x1820 net/core/dev.c:11738 Modules linked in: CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__dev_change_net_namespace+0x16ed/0x1820 net/core/dev.c:11738 Code: 01 90 48 c7 c7 a0 b6 0e 8d 48 c7 c6 80 b6 0e 8d ba 6f 2d 00 00 e8 33 28 b8 f7 90 0f 0b 90 90 e9 89 ea ff ff e8 14 82 f7 f7 90 <0f> 0b 90 e9 3a fb ff ff e8 06 82 f7 f7 90 0f 0b 90 e9 bc fe ff ff RSP: 0018:ffffc9000d2fef80 EFLAGS: 00010293 RAX: ffffffff899e5dfc RBX: dffffc0000000000 RCX: ffff88801f1c2440 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffffc9000d2ff3b8 R08: ffffffff899e592c R09: 1ffffffff2863f12 R10: dffffc0000000000 R11: fffffbfff2863f13 R12: ffff888035e841a8 R13: 1ffff92001a5fe61 R14: ffff888035e84724 R15: 00000000fffffff4 FS: 00007fd56b2996c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056434e74f468 CR3: 0000000040842000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> dev_change_net_namespace include/linux/netdevice.h:4018 [inline] cfg802154_switch_netns+0xc5/0x3d0 net/ieee802154/core.c:230 nl802154_wpan_phy_netns+0x13d/0x210 net/ieee802154/nl802154.c:1292 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd56a57e819 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd56b299038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd56a735fa0 RCX: 00007fd56a57e819 RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000004 RBP: 00007fd56b299090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007fd56a735fa0 R15: 00007ffe74561238 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
