Hi. This kernel BUG was triggered while running trinity fuzzer on 3.10. [413679.376565] ------------[ cut here ]------------ [413679.395034] kernel BUG at mm/mlock.c:79! [413679.395611] invalid opcode: 0000 [#1] SMP [413679.396206] Modules linked in: l2tp_ppp l2tp_netlink l2tp_core af_key ipt_ULOG nfnetlink can_bcm can_raw scsi_transport_iscsi can pppoe pppox ppp_generic slhc rds ipv6 bonding dm_multipath video sbs sbshc hed acpi_pad acpi_ipmi acpi_i2c parport_pc lp parport tcp_diag inet_diag ipmi_si ipmi_devintf ipmi_msghandler dell_rbu iTCO_wdt iTCO_vendor_support dcdbas igb i2c_algo_bit ptp pps_core i2c_i801 i2c_core microcode lpc_ich mfd_core i7core_edac ioatdma edac_core shpchp dca freq_table mperf [413679.436926] CPU: 0 PID: 34852 Comm: trinity-c0 Not tainted 3.10.28 #1 [413679.455720] task: ffff88032d7cc5c0 ti: ffff88032bd70000 task.ti: ffff88032bd70000 [413679.456775] RIP: 0010:[<ffffffff8110cd2d>] [<ffffffff8110cd2d>] mlock_vma_page+0x14/0x70 [413679.474912] RSP: 0000:ffff88032bd71d08 EFLAGS: 00010246 [413679.475625] RAX: 080000000038002c RBX: ffffea000703e340 RCX: 000000000703e340 [413679.476506] RDX: 80000001c0f8d027 RSI: 00000000f76e8000 RDI: ffffea000703e340 [413679.494662] RBP: ffff88032bd71d10 R08: 0000000000000000 R09: ffffffff811130a7 [413679.495571] R10: ffff88032a6a5f88 R11: 0000000000000911 R12: ffff88032a6a5f00 [413679.496452] R13: ffffea000703e340 R14: ffffea000c5d3bc0 R15: 0000000000020000 [413679.497323] FS: 00000000016c8840(0063) GS:ffff880332600000(0000) knlGS:0000000000000000 [413679.515582] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [413679.516332] CR2: 00000000ff80d330 CR3: 0000000300a8b000 CR4: 00000000000007f0 [413679.517212] DR0: 0000000000000000 DR1: 00000000016cd000 DR2: 0000000000000000 [413679.535236] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [413679.536262] Stack: [413679.536485] ffff8803094bfc08 ffff88032bd71dc0 ffffffff81113136 ffff88032a6a6270 [413679.555195] ffff88032d7cc5c0 ffffea000c12d4c0 ffff88032a6a5f70 ffff880328849d70 [413679.556294] 0000000000020000 0000000300000001 00000000f76e9000 ffff880328849d60 [413679.557254] Call Trace: [413679.557538] [<ffffffff81113136>] try_to_unmap_file+0x319/0x4be [413679.575403] [<ffffffff81113bd2>] try_to_unmap+0x3d/0x52 [413679.575970] [<ffffffff8112bf08>] migrate_pages+0x1e2/0x3ce [413679.576682] [<ffffffff8112b0be>] ? pte_to_swp_entry+0x22/0x22 [413679.594735] [<ffffffff8112c5c2>] SyS_move_pages+0x36c/0x4d6 [413679.595456] [<ffffffff8112c2b2>] ? SyS_move_pages+0x5c/0x4d6 [413679.596219] [<ffffffff81099cd7>] compat_sys_move_pages+0x9c/0xab [413679.597032] [<ffffffff814cbaa9>] ia32_do_call+0x13/0x13 [413679.614814] Code: 13 48 8b 03 a9 00 00 10 00 74 09 65 48 ff 04 25 a8 f5 1c 00 5b 5d c3 66 66 66 66 90 55 48 89 e5 53 48 89 fb 48 8b 07 a8 01 75 02 <0f> 0b f0 0f ba 2f 15 19 c0 85 c0 75 4c 48 8b 3f ba 01 00 00 00 [413679.617503] RIP [<ffffffff8110cd2d>] mlock_vma_page+0x14/0x70 [413679.635066] RSP <ffff88032bd71d08> [413679.636094] ---[ end trace dd8b701ea9903fd6 ]--- Cheers, Vinson -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>