https://bugzilla.kernel.org/show_bug.cgi?id=206687 Bug ID: 206687 Summary: If IB link comes up, oops in port_pkey_list_insert triggered with "NULL pointer derefence" Product: Drivers Version: 2.5 Kernel Version: v5.4.21 ongoing Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Infiniband/RDMA Assignee: drivers_infiniband-rdma@xxxxxxxxxxxxxxxxxxxx Reporter: hjl@xxxxxxxxxxxxxxxxxxxxx Regression: No I am running a Fedora home server for testing purpose and using QLA7322 Infinband adapters to connect my workstation. Since the upgrade to Fedora 31, that comes with a v5.5.5 kernel, the system crashes as the network manager tries to configure the IPoIB interface. I checked the last installed fedora 30 kernel and all went fine. Next I used the vanilla-kernels v5.4.19, v5.4.20 and v5.4.21 and tracked the problem down to the v5.4.21 The problem still exists with the v5.5.6-rc3 kernel. ------------------- Feb 27 09:58:27 odin.langes-netz.home kernel: IPv6: ADDRCONF(NETDEV_CHANGE): ibp9s0: link becomes ready Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0677] device (ibp9s0): carrier: link connected Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0679] device (ibp9s0): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed') Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0693] policy: auto-activating connection 'fastlane' (e55b03b4-79d4-4cf7-89af-ea866965c8ba) Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0700] device (ibp9s0): Activation: starting connection 'fastlane' (e55b03b4-79d4-4cf7-89af-ea866965c8ba) Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0702] device (ibp9s0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') Feb 27 09:58:27 odin.langes-netz.home NetworkManager[1046]: <info> [1582797507.0708] manager: NetworkManager state is now CONNECTING Feb 27 09:58:27 odin.langes-netz.home kernel: BUG: kernel NULL pointer dereference, address: 0000000000000010 Feb 27 09:58:27 odin.langes-netz.home kernel: #PF: supervisor read access in kernel mode Feb 27 09:58:27 odin.langes-netz.home kernel: #PF: error_code(0x0000) - not-present page Feb 27 09:58:27 odin.langes-netz.home kernel: PGD 0 P4D 0 Feb 27 09:58:27 odin.langes-netz.home kernel: Oops: 0000 [#1] SMP NOPTI Feb 27 09:58:27 odin.langes-netz.home kernel: CPU: 0 PID: 1046 Comm: NetworkManager Not tainted 5.4.21 #8 Feb 27 09:58:27 odin.langes-netz.home kernel: Hardware name: System manufacturer System Product Name/PRIME X470-PRO, BIOS 5220 09/11/2019 Feb 27 09:58:27 odin.langes-netz.home kernel: RIP: 0010:get_pkey_idx_qp_list+0x5a/0x80 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: Code: 06 48 69 ff b8 00 00 00 48 03 bd 88 04 00 00 4c 8b 47 20 48 8d 47 20 49 39 c0 74 26 0f b7 53 04 eb 08 4d 8b 00 49 39 c0 74 18 <66> 41 39 50 10 75 f1 48 83 c7 18 c6 07 00 0f 1f 40 00 4c > Feb 27 09:58:27 odin.langes-netz.home kernel: RSP: 0018:ffffb430c0b9f318 EFLAGS: 00010203 Feb 27 09:58:27 odin.langes-netz.home kernel: RAX: ffff895f3b41e030 RBX: ffff895f3667bd80 RCX: 0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff895f3b41e010 Feb 27 09:58:27 odin.langes-netz.home kernel: RBP: ffff895f498d8000 R08: 0000000000000000 R09: ffff895f3667bd80 Feb 27 09:58:27 odin.langes-netz.home kernel: R10: ffffb430c0b9f548 R11: 0000000000000000 R12: 0000000000000071 Feb 27 09:58:27 odin.langes-netz.home kernel: R13: 0000000000000000 R14: ffff895f498d8000 R15: ffffb430c0b9f430 Feb 27 09:58:27 odin.langes-netz.home kernel: FS: 00007f6a13521bc0(0000) GS:ffff895f4e800000(0000) knlGS:0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 27 09:58:27 odin.langes-netz.home kernel: CR2: 0000000000000010 CR3: 00000003fc056000 CR4: 00000000003406f0 Feb 27 09:58:27 odin.langes-netz.home kernel: Call Trace: Feb 27 09:58:27 odin.langes-netz.home kernel: port_pkey_list_insert+0x30/0x1a0 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: ? kmem_cache_alloc_trace+0x162/0x220 Feb 27 09:58:27 odin.langes-netz.home kernel: ? ib_security_modify_qp+0xae/0x3a0 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: ib_security_modify_qp+0x23f/0x3a0 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: _ib_modify_qp+0x272/0x3e0 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: ? __dev_mc_del+0x53/0x70 Feb 27 09:58:27 odin.langes-netz.home kernel: ? rt6_age_exceptions+0x61/0x70 Feb 27 09:58:27 odin.langes-netz.home kernel: ipoib_init_qp+0x78/0x1a0 [ib_ipoib] Feb 27 09:58:27 odin.langes-netz.home kernel: ? fib6_clean_tree+0x58/0x80 Feb 27 09:58:27 odin.langes-netz.home kernel: ? fib6_del+0x250/0x250 Feb 27 09:58:27 odin.langes-netz.home kernel: ? nf_conntrack_lock+0x17/0x50 [nf_conntrack] Feb 27 09:58:27 odin.langes-netz.home kernel: ? node_free_rcu+0x20/0x20 Feb 27 09:58:27 odin.langes-netz.home kernel: ? ib_find_pkey+0x98/0xe0 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: ipoib_ib_dev_open_default+0x1a/0x180 [ib_ipoib] Feb 27 09:58:27 odin.langes-netz.home kernel: ipoib_ib_dev_open+0x66/0xa0 [ib_ipoib] Feb 27 09:58:27 odin.langes-netz.home kernel: ipoib_open+0x44/0x110 [ib_ipoib] Feb 27 09:58:27 odin.langes-netz.home kernel: __dev_open+0xcf/0x160 Feb 27 09:58:27 odin.langes-netz.home kernel: __dev_change_flags+0x1a7/0x200 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __dev_notify_flags+0x96/0xf0 Feb 27 09:58:27 odin.langes-netz.home kernel: dev_change_flags+0x21/0x60 Feb 27 09:58:27 odin.langes-netz.home kernel: do_setlink+0x667/0xd70 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __nla_validate_parse+0x51/0x830 Feb 27 09:58:27 odin.langes-netz.home kernel: ? cpumask_next+0x17/0x20 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __nla_validate_parse+0x51/0x830 Feb 27 09:58:27 odin.langes-netz.home kernel: __rtnl_newlink+0x553/0x8c0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __nla_reserve+0x38/0x50 Feb 27 09:58:27 odin.langes-netz.home kernel: ? prep_new_page+0xc4/0xf0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __nla_reserve+0x38/0x50 Feb 27 09:58:27 odin.langes-netz.home kernel: ? __nla_put+0xc/0x20 Feb 27 09:58:27 odin.langes-netz.home kernel: ? prep_new_page+0xc4/0xf0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? get_page_from_freelist+0x772/0x17a0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? nla_put+0x28/0x40 Feb 27 09:58:27 odin.langes-netz.home kernel: ? get_page_from_freelist+0x772/0x17a0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? new_slab+0x25e/0x4e0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? _cond_resched+0x15/0x30 Feb 27 09:58:27 odin.langes-netz.home kernel: ? kmem_cache_alloc_trace+0x162/0x220 Feb 27 09:58:27 odin.langes-netz.home kernel: rtnl_newlink+0x44/0x70 Feb 27 09:58:27 odin.langes-netz.home kernel: rtnetlink_rcv_msg+0x2b0/0x360 Feb 27 09:58:27 odin.langes-netz.home kernel: ? _cond_resched+0x15/0x30 Feb 27 09:58:27 odin.langes-netz.home kernel: ? kmem_cache_alloc+0x165/0x220 Feb 27 09:58:27 odin.langes-netz.home kernel: ? ktime_get_real_ts64+0x46/0xe0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? _cond_resched+0x15/0x30 Feb 27 09:58:27 odin.langes-netz.home kernel: ? rtnl_calcit.isra.0+0x110/0x110 Feb 27 09:58:27 odin.langes-netz.home kernel: netlink_rcv_skb+0x49/0x110 Feb 27 09:58:27 odin.langes-netz.home kernel: netlink_unicast+0x171/0x200 Feb 27 09:58:27 odin.langes-netz.home kernel: netlink_sendmsg+0x21e/0x3e0 Feb 27 09:58:27 odin.langes-netz.home kernel: sock_sendmsg+0x5e/0x60 Feb 27 09:58:27 odin.langes-netz.home kernel: ____sys_sendmsg+0x1ef/0x260 Feb 27 09:58:27 odin.langes-netz.home kernel: ? copy_msghdr_from_user+0xd6/0x150 Feb 27 09:58:27 odin.langes-netz.home kernel: ___sys_sendmsg+0x88/0xd0 Feb 27 09:58:27 odin.langes-netz.home kernel: ? do_filp_open+0xa5/0x100 Feb 27 09:58:27 odin.langes-netz.home kernel: ? list_lru_add+0xb5/0x1d0 Feb 27 09:58:27 odin.langes-netz.home kernel: __sys_sendmsg+0x59/0xa0 Feb 27 09:58:27 odin.langes-netz.home kernel: do_syscall_64+0x5b/0x1a0 Feb 27 09:58:27 odin.langes-netz.home kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Feb 27 09:58:27 odin.langes-netz.home kernel: RIP: 0033:0x7f6a144ff80d Feb 27 09:58:27 odin.langes-netz.home kernel: Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 ea ec ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2f 44 89 c7 48 89 44 24 08 e8 1e ed > Feb 27 09:58:27 odin.langes-netz.home kernel: RSP: 002b:00007fff7308a310 EFLAGS: 00000293 ORIG_RAX: 000000000000002e Feb 27 09:58:27 odin.langes-netz.home kernel: RAX: ffffffffffffffda RBX: 000055fa8bfdb540 RCX: 00007f6a144ff80d Feb 27 09:58:27 odin.langes-netz.home kernel: RDX: 0000000000000000 RSI: 00007fff7308a360 RDI: 000000000000000c Feb 27 09:58:27 odin.langes-netz.home kernel: RBP: 00007fff7308a360 R08: 0000000000000000 R09: 0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: R10: 0000000000000000 R11: 0000000000000293 R12: 000055fa8bfdb540 Feb 27 09:58:27 odin.langes-netz.home kernel: R13: 00007fff7308a518 R14: 00007fff7308a50c R15: 0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: Modules linked in: xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt> Feb 27 09:58:27 odin.langes-netz.home kernel: crct10dif_pclmul eeepc_wmi ib_core crc32_pclmul snd_timer asus_wmi sp5100_tco ghash_clmulni_intel k10temp i2c_piix4 wmi_bmof snd sparse_keymap rfkill soundcore pcspkr ccp gpio_amdpt gpio_gen> Feb 27 09:58:27 odin.langes-netz.home kernel: CR2: 0000000000000010 Feb 27 09:58:27 odin.langes-netz.home kernel: ---[ end trace 8fdfe3a62f9689a5 ]--- Feb 27 09:58:27 odin.langes-netz.home kernel: RIP: 0010:get_pkey_idx_qp_list+0x5a/0x80 [ib_core] Feb 27 09:58:27 odin.langes-netz.home kernel: Code: 06 48 69 ff b8 00 00 00 48 03 bd 88 04 00 00 4c 8b 47 20 48 8d 47 20 49 39 c0 74 26 0f b7 53 04 eb 08 4d 8b 00 49 39 c0 74 18 <66> 41 39 50 10 75 f1 48 83 c7 18 c6 07 00 0f 1f 40 00 4c > Feb 27 09:58:27 odin.langes-netz.home kernel: RSP: 0018:ffffb430c0b9f318 EFLAGS: 00010203 Feb 27 09:58:27 odin.langes-netz.home kernel: RAX: ffff895f3b41e030 RBX: ffff895f3667bd80 RCX: 0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff895f3b41e010 Feb 27 09:58:27 odin.langes-netz.home kernel: RBP: ffff895f498d8000 R08: 0000000000000000 R09: ffff895f3667bd80 Feb 27 09:58:27 odin.langes-netz.home kernel: R10: ffffb430c0b9f548 R11: 0000000000000000 R12: 0000000000000071 Feb 27 09:58:27 odin.langes-netz.home kernel: R13: 0000000000000000 R14: ffff895f498d8000 R15: ffffb430c0b9f430 Feb 27 09:58:27 odin.langes-netz.home kernel: FS: 00007f6a13521bc0(0000) GS:ffff895f4e800000(0000) knlGS:0000000000000000 Feb 27 09:58:27 odin.langes-netz.home kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Feb 27 09:58:27 odin.langes-netz.home kernel: CR2: 0000000000000010 CR3: 00000003fc056000 CR4: 00000000003406f0 -- You are receiving this mail because: You are watching the assignee of the bug.
