__do_sys_bind net/socket.c:1708 [inline] __se_sys_bind net/socket.c:1706 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1706 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae freed in: netdev_tracker_free include/linux/netdevice.h:3867 [inline] dev_put_track include/linux/netdevice.h:3884 [inline] dev_put_track include/linux/netdevice.h:3880 [inline] packet_do_bind+0x52b/0xc70 net/packet/af_packet.c:3239 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3298 __sys_bind+0x1e9/0x250 net/socket.c:1697 __do_sys_bind net/socket.c:1708 [inline] __se_sys_bind net/socket.c:1706 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1706 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22382 at lib/ref_tracker.c:120 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] WARNING: CPU: 1 PID: 22382 at lib/ref_tracker.c:120 ref_tracker_free.cold+0x110/0x14e lib/ref_tracker.c:119 Modules linked in: CPU: 1 PID: 22382 Comm: syz-executor.0 Not tainted 5.16.0-rc8-next-20220107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ref_tracker_free.cold+0x110/0x14e lib/ref_tracker.c:120 Code: ea 03 48 c1 e0 2a 0f b6 04 02 84 c0 74 04 3c 03 7e 4c 8b 7b 18 e8 fd 30 e7 fa e8 d8 83 54 f8 4c 89 ee 48 89 ef e8 0d 20 37 00 <0f> 0b 41 bd ea ff ff ff e9 4f 3d e7 fa 4c 89 f7 e8 a8 73 9f f8 e9 RSP: 0018:ffffc900028cfc40 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88807a5e2540 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff88801e3a25b8 R08: 0000000000000001 R09: ffffffff8ffcb9ff R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000519f8a R13: 0000000000000282 R14: ffff88807a5e2558 R15: 00000000c26002c9 FS: 00007fed14c38700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf54c1b038 CR3: 00000000345ca000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netdev_tracker_free include/linux/netdevice.h:3867 [inline] dev_put_track include/linux/netdevice.h:3884 [inline] dev_put_track include/linux/netdevice.h:3880 [inline] packet_do_bind+0x52b/0xc70 net/packet/af_packet.c:3239 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3298 __sys_bind+0x1e9/0x250 net/socket.c:1697 __do_sys_bind net/socket.c:1708 [inline] __se_sys_bind net/socket.c:1706 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1706 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fed16304e99 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:00007fed14c38168 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007fed16418100 RCX: 00007fed16304e99 RDX: 0000000000000058 RSI: 0000000020000280 RDI: 0000000000000005 RBP: 00007fed1635eff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff35fa45bf R14: 00007fed14c38300 R15: 0000000000022000