Message ID | 20190117115905.20587-1-juergh@canonical.com |
---|---|
Headers | show |
Series | kernel BUG at /build/linux-vxxS7y/linux-4.15.0/mm/slub.c:296! (LP: #1812086) | expand |
On 17.01.19 12:59, Juerg Haefliger wrote: > BugLink: https://bugs.launchpad.net/bugs/1812086 > > Rebooting an iSCSI target while the initiator is writing to a LUN leads to the following trace: > > [ 59.879202] ------------[ cut here ]------------ > [ 59.879202] kernel BUG at /build/linux-vxxS7y/linux-4.15.0/mm/slub.c:296! > [ 59.880636] invalid opcode: 0000 [#1] SMP PTI > [ 59.881569] Modules linked in: iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_user uio target_core_mod nls_iso8859_1 kvm_intel isofs kvm irqbypass joydev input_leds serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy > [ 59.891096] CPU: 0 PID: 1027 Comm: iscsi_np Not tainted 4.15.0-43-generic #46-Ubuntu > [ 59.892726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 > [ 59.894606] RIP: 0010:kfree+0x16a/0x180 > [ 59.895429] RSP: 0018:ffffac0d8050fe58 EFLAGS: 00010246 > [ 59.896531] RAX: ffff9cf099475800 RBX: ffff9cf099475800 RCX: ffff9cf099475800 > [ 59.898083] RDX: 0000000000011bbb RSI: ffff9cf09fc27140 RDI: ffff9cf09f002000 > [ 59.899627] RBP: ffffac0d8050fe70 R08: 0000000000000000 R09: ffffffffc07a329b > [ 59.901186] R10: ffffe95780651d40 R11: ffffffffa511dc90 R12: ffff9cf099625600 > [ 59.902769] R13: ffffffffc07a329b R14: ffff9cf09ee07600 R15: ffff9cf099475800 > [ 59.904321] FS: 0000000000000000(0000) GS:ffff9cf09fc00000(0000) knlGS:0000000000000000 > [ 59.906120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 59.907806] CR2: 00007f7153b88470 CR3: 000000001babe000 CR4: 00000000000006f0 > [ 59.909376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 59.910950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [ 59.913098] Call Trace: > [ 59.913783] iscsi_target_login_sess_out+0x1fb/0x250 [iscsi_target_mod] > [ 59.915292] iscsi_target_login_thread+0x44d/0x1060 [iscsi_target_mod] > [ 59.916775] kthread+0x121/0x140 > [ 59.917622] ? iscsi_target_login_sess_out+0x250/0x250 [iscsi_target_mod] > [ 59.919244] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 59.920483] ? do_syscall_64+0x73/0x130 > [ 59.921460] ? SyS_exit_group+0x14/0x20 > [ 59.922583] ret_from_fork+0x35/0x40 > [ 59.923523] Code: c4 80 74 04 41 8b 72 6c 4c 89 d7 e8 61 1c f9 ff eb 86 41 b8 01 00 00 00 48 89 d9 48 89 da 4c 89 d6 e8 8b f6 ff ff e9 6d ff ff ff <0f> 0b 48 8b 3d 6d c4 1c 01 e9 c9 fe ff ff 0f 1f 84 00 00 00 00 > [ 59.927778] RIP: kfree+0x16a/0x180 RSP: ffffac0d8050fe58 > [ 59.929063] ---[ end trace 082da4d341633d3e ]--- > > Clean cherry-pick of 3 upstream patches. Sucessfully tested, no more BUG trace > in the log. > > Signed-off-by: Juerg Haefliger <juergh@canonical.com> > > > Mike Christie (2): > iscsi target: fix session creation failure handling > scsi: iscsi: target: Fix conn_ops double free > > Vincent Pelletier (1): > scsi: iscsi: target: Set conn->sess to NULL when > iscsi_login_set_conn_values fails > > drivers/target/iscsi/iscsi_target.c | 9 +- > drivers/target/iscsi/iscsi_target_login.c | 184 ++++++++++++---------- > drivers/target/iscsi/iscsi_target_login.h | 2 +- > 3 files changed, 101 insertions(+), 94 deletions(-) > Bug report needs SRU justification added. Otherwise testable. Acked-by: Stefan Bader <stefan.bader@canonical.com>
On 1/17/19 12:59 PM, Juerg Haefliger wrote: > BugLink: https://bugs.launchpad.net/bugs/1812086 > > Rebooting an iSCSI target while the initiator is writing to a LUN leads to the following trace: > > [ 59.879202] ------------[ cut here ]------------ > [ 59.879202] kernel BUG at /build/linux-vxxS7y/linux-4.15.0/mm/slub.c:296! > [ 59.880636] invalid opcode: 0000 [#1] SMP PTI > [ 59.881569] Modules linked in: iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_user uio target_core_mod nls_iso8859_1 kvm_intel isofs kvm irqbypass joydev input_leds serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy > [ 59.891096] CPU: 0 PID: 1027 Comm: iscsi_np Not tainted 4.15.0-43-generic #46-Ubuntu > [ 59.892726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 > [ 59.894606] RIP: 0010:kfree+0x16a/0x180 > [ 59.895429] RSP: 0018:ffffac0d8050fe58 EFLAGS: 00010246 > [ 59.896531] RAX: ffff9cf099475800 RBX: ffff9cf099475800 RCX: ffff9cf099475800 > [ 59.898083] RDX: 0000000000011bbb RSI: ffff9cf09fc27140 RDI: ffff9cf09f002000 > [ 59.899627] RBP: ffffac0d8050fe70 R08: 0000000000000000 R09: ffffffffc07a329b > [ 59.901186] R10: ffffe95780651d40 R11: ffffffffa511dc90 R12: ffff9cf099625600 > [ 59.902769] R13: ffffffffc07a329b R14: ffff9cf09ee07600 R15: ffff9cf099475800 > [ 59.904321] FS: 0000000000000000(0000) GS:ffff9cf09fc00000(0000) knlGS:0000000000000000 > [ 59.906120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 59.907806] CR2: 00007f7153b88470 CR3: 000000001babe000 CR4: 00000000000006f0 > [ 59.909376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 59.910950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [ 59.913098] Call Trace: > [ 59.913783] iscsi_target_login_sess_out+0x1fb/0x250 [iscsi_target_mod] > [ 59.915292] iscsi_target_login_thread+0x44d/0x1060 [iscsi_target_mod] > [ 59.916775] kthread+0x121/0x140 > [ 59.917622] ? iscsi_target_login_sess_out+0x250/0x250 [iscsi_target_mod] > [ 59.919244] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 59.920483] ? do_syscall_64+0x73/0x130 > [ 59.921460] ? SyS_exit_group+0x14/0x20 > [ 59.922583] ret_from_fork+0x35/0x40 > [ 59.923523] Code: c4 80 74 04 41 8b 72 6c 4c 89 d7 e8 61 1c f9 ff eb 86 41 b8 01 00 00 00 48 89 d9 48 89 da 4c 89 d6 e8 8b f6 ff ff e9 6d ff ff ff <0f> 0b 48 8b 3d 6d c4 1c 01 e9 c9 fe ff ff 0f 1f 84 00 00 00 00 > [ 59.927778] RIP: kfree+0x16a/0x180 RSP: ffffac0d8050fe58 > [ 59.929063] ---[ end trace 082da4d341633d3e ]--- > > Clean cherry-pick of 3 upstream patches. Sucessfully tested, no more BUG trace > in the log. > > Signed-off-by: Juerg Haefliger <juergh@canonical.com> > > > Mike Christie (2): > iscsi target: fix session creation failure handling > scsi: iscsi: target: Fix conn_ops double free > > Vincent Pelletier (1): > scsi: iscsi: target: Set conn->sess to NULL when > iscsi_login_set_conn_values fails > > drivers/target/iscsi/iscsi_target.c | 9 +- > drivers/target/iscsi/iscsi_target_login.c | 184 ++++++++++++---------- > drivers/target/iscsi/iscsi_target_login.h | 2 +- > 3 files changed, 101 insertions(+), 94 deletions(-) > Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
On 2019-01-17 12:59:02 , Juerg Haefliger wrote: > BugLink: https://bugs.launchpad.net/bugs/1812086 > > Rebooting an iSCSI target while the initiator is writing to a LUN leads to the following trace: > > [ 59.879202] ------------[ cut here ]------------ > [ 59.879202] kernel BUG at /build/linux-vxxS7y/linux-4.15.0/mm/slub.c:296! > [ 59.880636] invalid opcode: 0000 [#1] SMP PTI > [ 59.881569] Modules linked in: iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_user uio target_core_mod nls_iso8859_1 kvm_intel isofs kvm irqbypass joydev input_leds serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy > [ 59.891096] CPU: 0 PID: 1027 Comm: iscsi_np Not tainted 4.15.0-43-generic #46-Ubuntu > [ 59.892726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 > [ 59.894606] RIP: 0010:kfree+0x16a/0x180 > [ 59.895429] RSP: 0018:ffffac0d8050fe58 EFLAGS: 00010246 > [ 59.896531] RAX: ffff9cf099475800 RBX: ffff9cf099475800 RCX: ffff9cf099475800 > [ 59.898083] RDX: 0000000000011bbb RSI: ffff9cf09fc27140 RDI: ffff9cf09f002000 > [ 59.899627] RBP: ffffac0d8050fe70 R08: 0000000000000000 R09: ffffffffc07a329b > [ 59.901186] R10: ffffe95780651d40 R11: ffffffffa511dc90 R12: ffff9cf099625600 > [ 59.902769] R13: ffffffffc07a329b R14: ffff9cf09ee07600 R15: ffff9cf099475800 > [ 59.904321] FS: 0000000000000000(0000) GS:ffff9cf09fc00000(0000) knlGS:0000000000000000 > [ 59.906120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 59.907806] CR2: 00007f7153b88470 CR3: 000000001babe000 CR4: 00000000000006f0 > [ 59.909376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 59.910950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [ 59.913098] Call Trace: > [ 59.913783] iscsi_target_login_sess_out+0x1fb/0x250 [iscsi_target_mod] > [ 59.915292] iscsi_target_login_thread+0x44d/0x1060 [iscsi_target_mod] > [ 59.916775] kthread+0x121/0x140 > [ 59.917622] ? iscsi_target_login_sess_out+0x250/0x250 [iscsi_target_mod] > [ 59.919244] ? kthread_create_worker_on_cpu+0x70/0x70 > [ 59.920483] ? do_syscall_64+0x73/0x130 > [ 59.921460] ? SyS_exit_group+0x14/0x20 > [ 59.922583] ret_from_fork+0x35/0x40 > [ 59.923523] Code: c4 80 74 04 41 8b 72 6c 4c 89 d7 e8 61 1c f9 ff eb 86 41 b8 01 00 00 00 48 89 d9 48 89 da 4c 89 d6 e8 8b f6 ff ff e9 6d ff ff ff <0f> 0b 48 8b 3d 6d c4 1c 01 e9 c9 fe ff ff 0f 1f 84 00 00 00 00 > [ 59.927778] RIP: kfree+0x16a/0x180 RSP: ffffac0d8050fe58 > [ 59.929063] ---[ end trace 082da4d341633d3e ]--- > > Clean cherry-pick of 3 upstream patches. Sucessfully tested, no more BUG trace > in the log. > > Signed-off-by: Juerg Haefliger <juergh@canonical.com> > > > Mike Christie (2): > iscsi target: fix session creation failure handling > scsi: iscsi: target: Fix conn_ops double free > > Vincent Pelletier (1): > scsi: iscsi: target: Set conn->sess to NULL when > iscsi_login_set_conn_values fails > > drivers/target/iscsi/iscsi_target.c | 9 +- > drivers/target/iscsi/iscsi_target_login.c | 184 ++++++++++++---------- > drivers/target/iscsi/iscsi_target_login.h | 2 +- > 3 files changed, 101 insertions(+), 94 deletions(-) > > -- > 2.19.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team
BugLink: https://bugs.launchpad.net/bugs/1812086 Rebooting an iSCSI target while the initiator is writing to a LUN leads to the following trace: [ 59.879202] ------------[ cut here ]------------ [ 59.879202] kernel BUG at /build/linux-vxxS7y/linux-4.15.0/mm/slub.c:296! [ 59.880636] invalid opcode: 0000 [#1] SMP PTI [ 59.881569] Modules linked in: iscsi_target_mod target_core_pscsi target_core_file target_core_iblock target_core_user uio target_core_mod nls_iso8859_1 kvm_intel isofs kvm irqbypass joydev input_leds serio_raw sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net floppy [ 59.891096] CPU: 0 PID: 1027 Comm: iscsi_np Not tainted 4.15.0-43-generic #46-Ubuntu [ 59.892726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1ubuntu1 04/01/2014 [ 59.894606] RIP: 0010:kfree+0x16a/0x180 [ 59.895429] RSP: 0018:ffffac0d8050fe58 EFLAGS: 00010246 [ 59.896531] RAX: ffff9cf099475800 RBX: ffff9cf099475800 RCX: ffff9cf099475800 [ 59.898083] RDX: 0000000000011bbb RSI: ffff9cf09fc27140 RDI: ffff9cf09f002000 [ 59.899627] RBP: ffffac0d8050fe70 R08: 0000000000000000 R09: ffffffffc07a329b [ 59.901186] R10: ffffe95780651d40 R11: ffffffffa511dc90 R12: ffff9cf099625600 [ 59.902769] R13: ffffffffc07a329b R14: ffff9cf09ee07600 R15: ffff9cf099475800 [ 59.904321] FS: 0000000000000000(0000) GS:ffff9cf09fc00000(0000) knlGS:0000000000000000 [ 59.906120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.907806] CR2: 00007f7153b88470 CR3: 000000001babe000 CR4: 00000000000006f0 [ 59.909376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.910950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.913098] Call Trace: [ 59.913783] iscsi_target_login_sess_out+0x1fb/0x250 [iscsi_target_mod] [ 59.915292] iscsi_target_login_thread+0x44d/0x1060 [iscsi_target_mod] [ 59.916775] kthread+0x121/0x140 [ 59.917622] ? iscsi_target_login_sess_out+0x250/0x250 [iscsi_target_mod] [ 59.919244] ? kthread_create_worker_on_cpu+0x70/0x70 [ 59.920483] ? do_syscall_64+0x73/0x130 [ 59.921460] ? SyS_exit_group+0x14/0x20 [ 59.922583] ret_from_fork+0x35/0x40 [ 59.923523] Code: c4 80 74 04 41 8b 72 6c 4c 89 d7 e8 61 1c f9 ff eb 86 41 b8 01 00 00 00 48 89 d9 48 89 da 4c 89 d6 e8 8b f6 ff ff e9 6d ff ff ff <0f> 0b 48 8b 3d 6d c4 1c 01 e9 c9 fe ff ff 0f 1f 84 00 00 00 00 [ 59.927778] RIP: kfree+0x16a/0x180 RSP: ffffac0d8050fe58 [ 59.929063] ---[ end trace 082da4d341633d3e ]--- Clean cherry-pick of 3 upstream patches. Sucessfully tested, no more BUG trace in the log. Signed-off-by: Juerg Haefliger <juergh@canonical.com> Mike Christie (2): iscsi target: fix session creation failure handling scsi: iscsi: target: Fix conn_ops double free Vincent Pelletier (1): scsi: iscsi: target: Set conn->sess to NULL when iscsi_login_set_conn_values fails drivers/target/iscsi/iscsi_target.c | 9 +- drivers/target/iscsi/iscsi_target_login.c | 184 ++++++++++++---------- drivers/target/iscsi/iscsi_target_login.h | 2 +- 3 files changed, 101 insertions(+), 94 deletions(-)