search for: sock_sendmsg

...cleanly... anyways, I'm started a drbd verify (from the slave) about 10 hours ago, it has 15 hours more to run, and so far it's logged... Oct 11 13:58:26 sg2 kernel: block drbd0: Starting Online Verify from sector 3534084704 Oct 11 14:00:23 sg2 kernel: block drbd0: [drbd0_worker/2197] sock_sendmsg time expired, ko = 4294967295 Oct 11 14:00:29 sg2 kernel: block drbd0: [drbd0_worker/2197] sock_sendmsg time expired, ko = 4294967294 Oct 11 14:00:35 sg2 kernel: block drbd0: [drbd0_worker/2197] sock_sendmsg time expired, ko = 4294967293 Oct 11 14:00:41 sg2 kernel: block drbd0: [drbd0_worker/2197...

....083448] ip_queue_xmit+0x8a1/0x22a0 > > [ 310.084236] ? ip_build_and_send_pkt+0xe80/0xe80 > > [ 310.085079] ? tcp_v4_md5_lookup+0x13/0x20 > > [ 310.085884] tcp_transmit_skb+0x187a/0x3e00 > > [ 310.086696] ? __tcp_select_window+0xaf0/0xaf0 > > [ 310.087524] ? sock_sendmsg+0xba/0xf0 > > [ 310.088298] ? __vfs_write+0x4e0/0x960 > > [ 310.089074] ? vfs_write+0x155/0x4b0 > > [ 310.089838] ? SyS_write+0xf7/0x240 > > [ 310.090593] ? do_syscall_64+0x235/0x5b0 > > [ 310.091372] ? entry_SYSCALL64_slow_path+0x25/0x25 > > [ 310.094...

....083448] ip_queue_xmit+0x8a1/0x22a0 > > [ 310.084236] ? ip_build_and_send_pkt+0xe80/0xe80 > > [ 310.085079] ? tcp_v4_md5_lookup+0x13/0x20 > > [ 310.085884] tcp_transmit_skb+0x187a/0x3e00 > > [ 310.086696] ? __tcp_select_window+0xaf0/0xaf0 > > [ 310.087524] ? sock_sendmsg+0xba/0xf0 > > [ 310.088298] ? __vfs_write+0x4e0/0x960 > > [ 310.089074] ? vfs_write+0x155/0x4b0 > > [ 310.089838] ? SyS_write+0xf7/0x240 > > [ 310.090593] ? do_syscall_64+0x235/0x5b0 > > [ 310.091372] ? entry_SYSCALL64_slow_path+0x25/0x25 > > [ 310.094...

...24 19:26:59 Gerasimos5 kernel: [<c0315e7f>] netlink_data_ready+0x62/0x6a Oct 24 19:26:59 Gerasimos5 kernel: [<c0315444>] netlink_sendskb+0x9e/0xa0 Oct 24 19:26:59 Gerasimos5 kernel: [<c0315b24>] netlink_sendmsg+0x205/0x2f4 Oct 24 19:26:59 Gerasimos5 kernel: [<c02fc655>] sock_sendmsg+0xe5/0x100 Oct 24 19:26:59 Gerasimos5 kernel: [<c02fc655>] sock_sendmsg+0xe5/0x100 Oct 24 19:26:59 Gerasimos5 kernel: [<c0222c08>] copy_from_user+0x42/0x6e Oct 24 19:26:59 Gerasimos5 kernel: [<c011b5ba>] autoremove_wake_function+0x0/0x57 Oct 24 19:26:59 Gerasimos5 kernel: [&lt...

...0000000d47c000>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] [<000000000d47c000>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333 [<0000000098503d79>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922 [<000000009263e868>] sock_sendmsg_nosec net/socket.c:646 [inline] [<000000009263e868>] sock_sendmsg+0x54/0x70 net/socket.c:665 [<000000007791ad47>] __sys_sendto+0x148/0x1f0 net/socket.c:1958 [<00000000d6f3807d>] __do_sys_sendto net/socket.c:1970 [inline] [<00000000d6f3807d>] __se_sys_send...

...0d47c000>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] > [<000000000d47c000>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333 > [<0000000098503d79>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922 > [<000000009263e868>] sock_sendmsg_nosec net/socket.c:646 [inline] > [<000000009263e868>] sock_sendmsg+0x54/0x70 net/socket.c:665 > [<000000007791ad47>] __sys_sendto+0x148/0x1f0 net/socket.c:1958 > [<00000000d6f3807d>] __do_sys_sendto net/socket.c:1970 [inline] > [<00000000d6f3807d&gt...

...0d47c000>] netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] > [<000000000d47c000>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1333 > [<0000000098503d79>] netlink_sendmsg+0x26a/0x480 net/netlink/af_netlink.c:1922 > [<000000009263e868>] sock_sendmsg_nosec net/socket.c:646 [inline] > [<000000009263e868>] sock_sendmsg+0x54/0x70 net/socket.c:665 > [<000000007791ad47>] __sys_sendto+0x148/0x1f0 net/socket.c:1958 > [<00000000d6f3807d>] __do_sys_sendto net/socket.c:1970 [inline] > [<00000000d6f3807d&gt...

...t;c028a20e>] rtnetlink_rcv_msg+0x0/0x215 [<c0294598>] netlink_run_queue+0x88/0x11d [<c028a1c0>] rtnetlink_rcv+0x26/0x42 [<c0294b0c>] netlink_data_ready+0x12/0x54 [<c0293843>] netlink_sendskb+0x1c/0x33 [<c0294a11>] netlink_sendmsg+0x1ee/0x2d7 [<c0278ff7>] sock_sendmsg+0xe5/0x100 [<c01306b9>] autoremove_wake_function+0x0/0x37 [<c01306b9>] autoremove_wake_function+0x0/0x37 [<c0278ff7>] sock_sendmsg+0xe5/0x100 [<c01cd8be>] copy_from_user+0x33/0x69 [<c027913f>] sys_sendmsg+0x12d/0x243 [<c02e2564>] _read_unlock_irq+0x5/0x7 [...

Hello Syzbot On Fri, 14 Jun 2019 02:26:02 +0800 syzbot wrote: > > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered crash: > memory leak in vhost_net_ioctl > Oh sorry for my poor patch. > ANGE): hsr_slave_1: link becomes ready > 2019/06/13 18:24:57 executed programs: 18 > BUG: memory leak > unreferenced object 0xffff88811cbc6ac0

Hello Syzbot On Fri, 14 Jun 2019 02:26:02 +0800 syzbot wrote: > > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered crash: > memory leak in vhost_net_ioctl > Oh sorry for my poor patch. > ANGE): hsr_slave_1: link becomes ready > 2019/06/13 18:24:57 executed programs: 18 > BUG: memory leak > unreferenced object 0xffff88811cbc6ac0

...vdpa_nl_cmd_dev_del_set_doit+0x66/0xe0 [vdpa] [<0>] genl_family_rcv_msg_doit.isra.0+0xb8/0x100 [<0>] genl_rcv_msg+0x151/0x290 [<0>] netlink_rcv_skb+0x54/0x100 [<0>] genl_rcv+0x24/0x40 [<0>] netlink_unicast+0x217/0x340 [<0>] netlink_sendmsg+0x23e/0x4a0 [<0>] sock_sendmsg+0x8f/0xa0 [<0>] __sys_sendto+0xfc/0x170 [<0>] __x64_sys_sendto+0x20/0x30 [<0>] do_syscall_64+0x59/0x90 [<0>] entry_SYSCALL_64_after_hwframe+0x72/0xdc Once fixed on DPDK side (you can use my vduse_v1 branch [0] for testing), it works fine: Tested-by: Maxime Coquelin <max...

...lt;ffffffff817e319c>] netlink_ack+0x6c/0x170 [59826.070019] [<ffffffff8115526b>] audit_receive+0x8b/0xa0 [59826.070019] [<ffffffff817e30aa>] netlink_unicast+0x19a/0x220 [59826.070019] [<ffffffff817e3ed2>] netlink_sendmsg+0x302/0x380 [59826.070019] [<ffffffff81787ba9>] sock_sendmsg+0x49/0x60 [59826.070019] [<ffffffff8178a006>] SYSC_sendto+0x116/0x170 [59826.070019] [<ffffffff81287efc>] ? __alloc_fd+0x4c/0x1b0 [59826.070019] [<ffffffff810033c1>] ? syscall_trace_enter+0x201/0x2c0 [59826.070019] [<ffffffff8115b199>] ? __audit_syscall_exit+0x229/0x2b0...

...e>] ? __wake_up_sync_key+0x5e/0x80 [79030.229766] [<ffffffff815865e0>] ? vidioc_dqbuf+0x80/0x80 [79030.229777] [<ffffffff81663f6e>] ? sock_def_readable+0x3e/0x70 [79030.229787] [<ffffffff8173f9ce>] ? unix_dgram_sendmsg+0x62e/0x6d0 [79030.229797] [<ffffffff816603bd>] ? sock_sendmsg+0xfd/0x120 [79030.229806] [<ffffffff815a4d63>] ? __videobuf_mmap_mapper+0x123/0x200 [79030.229816] [<ffffffff8156182d>] video_usercopy+0x17d/0x4c0 [79030.229825] [<ffffffff81561bf0>] ? v4l2_video_std_construct+0x60/0x60 [79030.229835] [<ffffffff81561b85>] video_ioctl2+0x...

...sock_has_perm+0x59/0x60 [ 74.341586] ? napi_consume_skb+0xe2/0x100 [ 74.342010] ? rtnl_newlink+0x890/0x890 [ 74.342435] netlink_rcv_skb+0x92/0xb0 [ 74.342846] rtnetlink_rcv+0x23/0x30 [ 74.343277] netlink_unicast+0x162/0x210 [ 74.343677] netlink_sendmsg+0x2db/0x390 [ 74.343968] sock_sendmsg+0x33/0x40 [ 74.344233] SYSC_sendto+0xee/0x160 [ 74.344482] ? SYSC_bind+0xb0/0xe0 [ 74.344806] ? sock_alloc_file+0x92/0x110 [ 74.345106] ? fd_install+0x20/0x30 [ 74.345360] ? sock_map_fd+0x3f/0x60 [ 74.345586] SyS_sendto+0x9/0x10 [ 74.345790] entry_SYSCALL_64_fastpath+0x1a/0xa9...

...sock_has_perm+0x59/0x60 [ 74.341586] ? napi_consume_skb+0xe2/0x100 [ 74.342010] ? rtnl_newlink+0x890/0x890 [ 74.342435] netlink_rcv_skb+0x92/0xb0 [ 74.342846] rtnetlink_rcv+0x23/0x30 [ 74.343277] netlink_unicast+0x162/0x210 [ 74.343677] netlink_sendmsg+0x2db/0x390 [ 74.343968] sock_sendmsg+0x33/0x40 [ 74.344233] SYSC_sendto+0xee/0x160 [ 74.344482] ? SYSC_bind+0xb0/0xe0 [ 74.344806] ? sock_alloc_file+0x92/0x110 [ 74.345106] ? fd_install+0x20/0x30 [ 74.345360] ? sock_map_fd+0x3f/0x60 [ 74.345586] SyS_sendto+0x9/0x10 [ 74.345790] entry_SYSCALL_64_fastpath+0x1a/0xa9...

...__udp_queue_rcv_skb+0x4a/0x51 Mar 29 09:38:24 pstn1 kernel: [<c05ad993>] release_sock+0x44/0x91 Mar 29 09:38:24 pstn1 kernel: [<c05ea939>] udp_sendmsg+0x44e/0x514 Mar 29 09:38:24 pstn1 kernel: [<c05efdec>] inet_sendmsg+0x35/0x3f Mar 29 09:38:24 pstn1 kernel: [<c05ab30c>] sock_sendmsg+0xce/0xe8 Mar 29 09:38:24 pstn1 kernel: [<c043464f>] autoremove_wake_function+0x0/0x2d Mar 29 09:38:24 pstn1 kernel: [<c04ea17b>] copy_from_user+0x17/0x5d Mar 29 09:38:24 pstn1 kernel: [<c04ea3a1>] copy_to_user+0x31/0x48 Mar 29 09:38:24 pstn1 kernel: [<f89ab141>] zt_chan...

...function+0x0/0x20 Sep 27 19:02:58 rebecca kernel: [alloc_skb+71/240] alloc_skb+0x47/0xf0 Sep 27 19:02:58 rebecca kernel: [netlink_sendmsg+530/784] netlink_sendmsg+0x212/0x310 Sep 27 19:02:58 rebecca kernel: [netlink_recvmsg+434/544] netlink_recvmsg+0x1b2/0x220 Sep 27 19:02:58 rebecca kernel: [sock_sendmsg+152/208] sock_sendmsg+0x98/0xd0 Sep 27 19:02:58 rebecca kernel: [sock_recvmsg+150/192] sock_recvmsg+0x96/0xc0 Sep 27 19:02:58 rebecca kernel: [move_addr_to_kernel+86/160] move_addr_to_kernel+0x56/0xa0 Sep 27 19:02:58 rebecca kernel: [verify_iovec+97/224] verify_iovec+0x61/0xe0 Sep 27 19:02:58 r...

...] ? poll_select_copy_remaining+0x130/0x130 [<c09ae2f8>] ? __alloc_skb+0x78/0x1e0 [<c05cf282>] ? __fdget+0x12/0x20 [<c09a6684>] ? __sys_recvmsg+0x44/0x80 [<c09a70ae>] ? SYSC_socketcall+0x7ae/0x9c0 [<c0a68718>] ? unix_stream_sendmsg+0x358/0x380 [<c09a514d>] ? sock_sendmsg+0x2d/0x40 [<c05b4a60>] ? do_readv_writev+0x140/0x350 [<c04cb81a>] ? ktime_get+0x4a/0x120 [<c09a5160>] ? sock_sendmsg+0x40/0x40 [<c04f857f>] ? __audit_syscall_entry+0xaf/0x110 [<c04012a4>] ? do_audit_syscall_entry.isra.9+0x44/0x50 [<c0401607>] ? syscall_trac...

...<ffffffff814910a9>] netlink_rcv_skb+0xa9/0xd0 > <4> [<ffffffff81475875>] rtnetlink_rcv+0x25/0x40 > <4> [<ffffffff81490cdb>] netlink_unicast+0x2db/0x320 > <4> [<ffffffff81491750>] netlink_sendmsg+0x2c0/0x3d0 > <4> [<ffffffff814520c3>] sock_sendmsg+0x123/0x150 > <4> [<ffffffff81453d73>] ? sock_recvmsg+0x133/0x160 > <4> [<ffffffff8109afa0>] ? autoremove_wake_function+0x0/0x40 > <4> [<ffffffff81136941>] ? lru_cache_add_lru+0x21/0x40 > <4> [<ffffffff8115522d>] ? page_add_new_anon_rmap+0...

...<ffffffff814910a9>] netlink_rcv_skb+0xa9/0xd0 > <4> [<ffffffff81475875>] rtnetlink_rcv+0x25/0x40 > <4> [<ffffffff81490cdb>] netlink_unicast+0x2db/0x320 > <4> [<ffffffff81491750>] netlink_sendmsg+0x2c0/0x3d0 > <4> [<ffffffff814520c3>] sock_sendmsg+0x123/0x150 > <4> [<ffffffff81453d73>] ? sock_recvmsg+0x133/0x160 > <4> [<ffffffff8109afa0>] ? autoremove_wake_function+0x0/0x40 > <4> [<ffffffff81136941>] ? lru_cache_add_lru+0x21/0x40 > <4> [<ffffffff8115522d>] ? page_add_new_anon_rmap+0...