Activity log for bug #1650635

Date Who What changed Old value New value Message
2016-12-16 17:27:58 Eric Desrochers bug added bug
2016-12-16 17:28:22 Eric Desrochers description It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b
2016-12-16 17:28:28 Eric Desrochers linux (Ubuntu): importance Undecided Medium
2016-12-16 17:28:30 Eric Desrochers linux (Ubuntu): status New Confirmed
2016-12-16 17:33:04 Eric Desrochers linux (Ubuntu): assignee Eric Desrochers (slashd)
2016-12-16 17:34:44 Eric Desrochers bug added subscriber Ivy Alexander
2016-12-16 17:34:56 Eric Desrochers bug added subscriber Dominique Poulain
2016-12-16 17:37:07 Eric Desrochers linux (Ubuntu): status Confirmed In Progress
2016-12-16 19:36:00 Eric Desrochers summary vmxnet3 driver causes kernel panic w/ kernel v4.4 vmxnet3 driver could causes kernel panic with v4.4 if LRO enabled.
2016-12-16 21:10:34 Joseph Salisbury nominated for series Ubuntu Xenial
2016-12-16 21:10:34 Joseph Salisbury bug task added linux (Ubuntu Xenial)
2016-12-16 21:10:41 Joseph Salisbury linux (Ubuntu Xenial): status New In Progress
2016-12-16 21:10:43 Joseph Salisbury linux (Ubuntu Xenial): importance Undecided Medium
2016-12-16 21:13:55 Eric Desrochers linux (Ubuntu Xenial): assignee Eric Desrochers (slashd)
2016-12-16 21:13:59 Eric Desrochers linux (Ubuntu): assignee Eric Desrochers (slashd)
2016-12-16 21:14:03 Eric Desrochers linux (Ubuntu): status In Progress Fix Released
2016-12-17 17:10:30 Eric Desrochers description It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b [Impact] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b [Test Case] * There is no real reproducer, the problem occured on a Ubuntu VMware Virtual Machine with LRO enabled in the VMware environment. [Regression Potential] * none expected * Commit can be found in upstream linux stable * Yakkety and Zesty kernel has the patch already [Other Info] * Upstream commit : 5021953 vmxnet3: segCnt can be 1 for LRO packets [Original Description] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b
2016-12-17 17:13:10 Eric Desrochers description [Impact] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b [Test Case] * There is no real reproducer, the problem occured on a Ubuntu VMware Virtual Machine with LRO enabled in the VMware environment. [Regression Potential] * none expected * Commit can be found in upstream linux stable * Yakkety and Zesty kernel has the patch already [Other Info] * Upstream commit : 5021953 vmxnet3: segCnt can be 1 for LRO packets [Original Description] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b [Impact] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b [Test Case]  * There is no real reproducer, the problem occurred randomly if SegCnt == 1 on a Trusty VMware Virtual Machine using Xenial kernel with LRO enabled in the VMware environment. [Regression Potential]  * none expected  * Commit can be found in upstream linux stable  * Yakkety and Zesty kernel has the patch already [Other Info]  * Upstream commit :    5021953 vmxnet3: segCnt can be 1 for LRO packets [Original Description] It has been brought to my attention that a Trusty Vmware Virtual Machine running kernel v4.4.0-36 crashed with the following stacktrace : PANIC: "kernel BUG at /build/linux-lts-xenial-QiVniY/linux-lts-xenial-4.4.0/drivers/net/vmxnet3/vmxnet3_drv.c:1353!" ... #0 [ffff88042d683aa0] machine_kexec at ffffffff8105987c #1 [ffff88042d683af8] crash_kexec at ffffffff81105d23 #2 [ffff88042d683bc0] oops_end at ffffffff81030a79 #3 [ffff88042d683be8] die at ffffffff81030f7b #4 [ffff88042d683c18] do_trap at ffffffff8102e04d #5 [ffff88042d683c68] do_error_trap at ffffffff8102e5a7 #6 [ffff88042d683d20] do_invalid_op at ffffffff8102e840 #7 [ffff88042d683d30] invalid_op at ffffffff817f900e [exception RIP: vmxnet3_rq_rx_complete+3016] RIP: ffffffffc004e448 RSP: ffff88042d683de8 RFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff880424099668 RCX: 0000000000000000 RDX: 00000000000005f2 RSI: 00000000000005f2 RDI: ffff88042a61f400 RBP: ffff88042d683e50 R8: 0000000000000000 R9: 0000000000000000 R10: ffff88042902b470 R11: ffff8804293406a8 R12: ffff880424098840 R13: ffff880424099580 R14: ffff88042a61ec00 R15: ffff88042933ae00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 #8 [ffff88042d683de0] vmxnet3_rq_rx_complete at ffffffffc004dcfa [vmxnet3] #9 [ffff88042d683e58] vmxnet3_poll_rx_only at ffffffffc004e60a [vmxnet3] #10 [ffff88042d683e90] net_rx_action at ffffffff816f3544 #11 [ffff88042d683f00] __do_softirq at ffffffff81081e7d #12 [ffff88042d683f68] irq_exit at ffffffff81082255 #13 [ffff88042d683f78] do_IRQ at ffffffff817f9ee6 --- <IRQ stack> --- #14 [ffff880426c73f30] ret_from_intr at ffffffff817f7fc2 [exception RIP: unknown or invalid address] RIP: fffffffffffffffb RSP: 00007fe17e59bf48 RFLAGS: 00000001 RAX: 00007fe18564ed58 RBX: 00007fe2064ce848 RCX: 00007fe185612d60 RDX: 00007fe20b47eb30 RSI: 00007fe185640d38 RDI: 00007fe18564ed50 RBP: ffffffff817f7fe5 R8: 00007fe185100068 R9: 0000000000037ce0 R10: 0000000000134ad8 R11: 00007fe17e4b7028 R12: 00007fe185100068 R13: 00007fe185632380 R14: 0000000000000000 R15: ffffffff81003a64 ORIG_RAX: 0000000000000001 CS: 7fe185640d38 SS: ffffffffffffff91 bt: WARNING: possibly bogus exception frame RIP: 00000000004e92bb RSP: 00007fe20b47ea40 RFLAGS: 00000283 RAX: 0000000000000001 RBX: 00007fe18564ed58 RCX: fffffffffffffffb RDX: 00007fe185640d38 RSI: 0000000000000001 RDI: 00007fe17e59bf48 RBP: 00007fe185100068 R8: 00007fe18564ed50 R9: 00007fe185640d38 R10: 00007fe20b47eb30 R11: 00007fe185612d60 R12: 0000000000037ce0 R13: 0000000000134ad8 R14: 00007fe17e4b7028 R15: 00007fe2064ce848 ORIG_RAX: ffffffffffffff91 CS: 0033 SS: 002b
2016-12-19 17:34:55 Luis Henriques linux (Ubuntu Xenial): status In Progress Fix Committed
2016-12-22 10:05:08 Luis Henriques tags verification-needed-xenial
2016-12-27 17:38:58 Eric Desrochers tags verification-needed-xenial verification-done-xenial
2017-01-10 14:11:15 Launchpad Janitor linux (Ubuntu Xenial): status Fix Committed Fix Released
2017-01-10 14:11:15 Launchpad Janitor cve linked 2016-9756
2017-01-10 14:11:15 Launchpad Janitor cve linked 2016-9793
2017-01-10 14:11:15 Launchpad Janitor cve linked 2016-9794