Hello, syzbot found the following issue on: HEAD commit: 22f902dfc51e Merge tag 'i2c-for-6.10-rc7' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=166ba6e1980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d29e97614bab40fc dashboard link: https://syzkaller.appspot.com/bug?extid=1df6ffa7a6274ae264db compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-22f902df.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4c0526babe49/vmlinux-22f902df.xz kernel image: https://storage.googleapis.com/syzbot-assets/a5ff57328e52/bzImage-22f902df.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1df6ffa7a6274ae264db@xxxxxxxxxxxxxxxxxxxxxxxxx R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ------------[ cut here ]------------ WARNING: CPU: 3 PID: 14392 at net/core/dev.c:11431 __dev_change_net_namespace+0x1048/0x1290 net/core/dev.c:11431 Modules linked in: CPU: 3 PID: 14392 Comm: syz.3.2718 Not tainted 6.10.0-rc6-syzkaller-00215-g22f902dfc51e #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+0x1048/0x1290 net/core/dev.c:11431 Code: 50 d2 f8 31 f6 4c 89 e7 e8 85 2b fe ff 89 44 24 28 e9 69 f3 ff ff e8 37 50 d2 f8 90 0f 0b 90 e9 5b fe ff ff e8 29 50 d2 f8 90 <0f> 0b 90 e9 bc fa ff ff bd ea ff ff ff e9 71 f2 ff ff e8 31 78 2f RSP: 0018:ffffc90022ef7380 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888019c58000 RCX: ffffffff88bc3923 RDX: ffff88801f6c2440 RSI: ffffffff88bc3e67 RDI: 0000000000000005 RBP: ffff888019c58734 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000003 R12: ffff888047041cc0 R13: 00000000fffffff4 R14: ffff888019c58bf0 R15: 1ffff920045dee7e FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5d5ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5d03da4 CR3: 000000002984a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> dev_change_net_namespace include/linux/netdevice.h:3923 [inline] cfg802154_switch_netns+0xbf/0x450 net/ieee802154/core.c:230 nl802154_wpan_phy_netns+0x134/0x2d0 net/ieee802154/nl802154.c:1292 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x9b4/0xb50 net/socket.c:2585 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2639 __sys_sendmsg+0x117/0x1f0 net/socket.c:2668 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7442579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5d5a57c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020000780 RDX: 0000000020000080 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- 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
