Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/30 | upstream (ToT) | 98369dccd2f8 | C | [report] possible deadlock in team_port_change_check |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/04/30 | upstream (ToT) | 98369dccd2f8 | C | [report] possible deadlock in team_port_change_check |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in team_port_change_check net | 2 | 1592d | 1656d | 0/28 | auto-closed as invalid on 2020/09/02 22:06 | |||
linux-5.15 | possible deadlock in team_port_change_check origin:upstream | C | 11 | 21d | 165d | 0/3 | upstream: reported C repro on 2024/04/01 19:31 | ||
upstream | possible deadlock in team_port_change_check (2) net | C | done | 1026 | 46m | 197d | 0/28 | upstream: reported C repro on 2024/02/29 16:02 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/08/31 20:01 | 2h19m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/07/28 01:22 | 1h28m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/05/20 15:21 | 1h41m | bisect fix | linux-6.1.y | OK (0) job log log |
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 netlink: 'syz-executor358': attribute type 10 has an invalid length. team0: Port device vlan0 added netlink: 'syz-executor358': attribute type 10 has an invalid length. device veth0_vlan left promiscuous mode device veth0_vlan entered promiscuous mode ============================================ WARNING: possible recursive locking detected 6.1.83-syzkaller #0 Not tainted -------------------------------------------- syz-executor358/3542 is trying to acquire lock: ffff888077ddcd00 (team->team_lock_key){+.+.}-{3:3}, at: team_port_change_check+0x51/0x1e0 drivers/net/team/team.c:3010 but task is already holding lock: ffff888077ddcd00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xab/0x2760 drivers/net/team/team.c:1986 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(team->team_lock_key); lock(team->team_lock_key); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by syz-executor358/3542: #0: ffffffff8e2991e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffffffff8e2991e8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6118 #1: ffff888077ddcd00 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave+0xab/0x2760 drivers/net/team/team.c:1986 stack backtrace: CPU: 0 PID: 3542 Comm: syz-executor358 Not tainted 6.1.83-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2983 [inline] check_deadlock kernel/locking/lockdep.c:3026 [inline] validate_chain+0x4711/0x5950 kernel/locking/lockdep.c:3812 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747 team_port_change_check+0x51/0x1e0 drivers/net/team/team.c:3010 team_device_event+0x4ac/0x570 drivers/net/team/team.c:3033 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455 __dev_notify_flags+0x304/0x610 dev_change_flags+0xe7/0x190 net/core/dev.c:8661 vlan_device_event+0x429/0x1d10 net/8021q/vlan.c:468 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:1970 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] dev_open+0x1c1/0x260 net/core/dev.c:1498 team_port_add drivers/net/team/team.c:1217 [inline] team_add_slave+0x96e/0x2760 drivers/net/team/team.c:1987 do_set_master net/core/rtnetlink.c:2598 [inline] do_setlink+0xe99/0x3e30 net/core/rtnetlink.c:2808 __rtnl_newlink net/core/rtnetlink.c:3576 [inline] rtnl_newlink+0x172c/0x2050 net/core/rtnetlink.c:3623 rtnetlink_rcv_msg+0x818/0xff0 net/core/rtnetlink.c:6121 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2597 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f16cab86b09 Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd3aef4d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f16cabd43d3 RCX: 00007f16cab86b09 RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd3aef4da0 R13: 00007f16cabd4004 R14: 00007ffd3aef4d8c R15: 0000000000000003 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/01 18:16 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in team_port_change_check | |
2024/06/12 06:12 | linux-6.1.y | 88690811da69 | 4d75f4f7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in team_port_change_check | ||
2024/06/06 06:13 | linux-6.1.y | 88690811da69 | 121701b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in team_port_change_check | ||
2024/04/16 14:31 | linux-6.1.y | cd5d98c0556c | 0d592ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in team_port_change_check | ||
2024/04/16 08:12 | linux-6.1.y | cd5d98c0556c | 0d592ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in team_port_change_check | ||
2024/04/01 17:20 | linux-6.1.y | e5cd595e23c1 | 6baf5069 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | possible deadlock in team_port_change_check | ||
2024/06/03 06:30 | linux-6.1.y | 88690811da69 | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in team_port_change_check |