https://bugzilla.kernel.org/show_bug.cgi?id=198999 Bug ID: 198999 Summary: kernel panic when booting when "CONFIG_DEBUG_SG=y" is set in config Product: IO/Storage Version: 2.5 Kernel Version: 4.15.7 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Serial ATA Assignee: tj@xxxxxxxxxx Reporter: orflingkelvin@xxxxxxxxxxxxxx CC: linux-ide@xxxxxxxxxxxxxxx Regression: No Kernel panic immediately when booting into initramfs. I'm using full disk encryption with a custom encrypt hook. Only happens when "CONFIG_DEBUG_SG=y" is set in config. kernel BUG at ./include/linux/scatterlist.h:147! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI Modules linked in: uas usb_storage rtsx_pci_sdmc mmc_core serio_raw atkbd libps2 crct10dif_pclmul crc32_pclmul crc32_intel ghash_clmulni_intel pcbc ahci aesni_intel aes_x864_64 crypto_simd libahci glue_helper cryptd xhci_pci libata ehci_pci xhci_hcd ehci_hcd scsi_mod usbcore ccp usb_common rtsx_pci rng_core i8042 serio loop CPU: 0 PID: 200 Comm: scsi_eh_1 Not tainted 4.15.4-1-hardened #1 Hardware Name: *omitted* RIP: 0010:sg_init_one+0x85/0xa0 RSP: 0018:ffffa4bcc09fbad8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffa4bcc09fbb78 RCX: 0000000000000028 RDX: 00000a11409fbb78 RSI: 000000000000000a RDI: ffffa4bd409fbb78 RBP: 0000000000000010 R08: ffffa4bcc09fbb00 R09: ffffa4bcc09fbb00 R10: ffffa4bcc09fba70 R11: ffffffffc012bbb7 R12: ffffa4bcc09fbb00 R13: ffffffffc012a878 R14: ffffffffc012a878 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8aacbec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00006c4ecc73fe97 CR3: 0000000136644000 CR4: 00000000000406f0 Call Trace: ata_exec_internal+0x44/0x90 [libata] zpodd_init+0xeb/0x1c0 [libata] ata_dev_configure+0x10f9/0x1630 [libata] ata_eh_recover+0x997/0x1370 [libata] ? ata_phys_link_offline+0x60/0x60 [libata] ? ahci_do_softreset+0x270/0x270 [libahci] ? ahci_do_hardreset+0x140/0x140 [libahci] ? ahci_pmp_attach+0x60+0x60 [libahci] ? ahci_do_softreset+0x270/0x270 [libahci] sata_pmp_error_handler+0x541/0xa40 [libata] ?__clear_rsb+0x15/0x3d ? ahci_do_hardreset+0x140/0x140 [libahci] ? ahci_do_softreset+0x270/0x270 [libahci] ? ahci_pmp_attach+0x60+0x60 [libahci] ? ata_phys_link_offline+0x60/0x60 [libata] ? _raw_spin_lock_irqsave+0x25/0x50 ? lock_timer_base+0x67/0x80 ahci_error_handler+0x18/0x60 [libahci] ata_scsi_port_error_handler+0x292/0x760 [libata] ? scsi_eh_get_sense+0x1e0/0x1e0 [scsi_mod] ata_scsi_error+0x91/0xc0 [libata] ? scsi_try_target_reset+0x90/0x90 [scsi_mod] scsi_error_handler+0xd1/0x5b0 [scsi_mod] ? scsi_eh_get_sense+0x1e0/0x1e0 [scsi_mod] kthread+0x113/0x130 ? kthread_create_on_node+0x70/0x70 ret_from_fork+0x22/0x40 Code: 2e 49 8b 54 24 08 f6 c2 01 75 26 83 e2 03 81 e3 ff 0f 00 00 41 89 6c 24 14 48 09 d0 41 89 5c 24 10 49 89 44 24 08 5b 5d 41 5c c3 <0f> 0b 0f 0b 0f 0b 0f 0b 48 8b 15 3c 61 c8 00 eb a4 66 2e 0f 1f RIP: sg_init_one+0x85/0xa0 RSP: ffffa4bcc09fbad8 ---[end trace 44ceaec880f04c7c ]--- Kernel panic - not syncing: Fatal exception Kernel offset: 0x1e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff ---[end Kernel panic - not syncing: Fatal exception -- You are receiving this mail because: You are on the CC list for the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
