https://bugzilla.kernel.org/show_bug.cgi?id=216349 --- Comment #1 from John Park (jdpark.au@xxxxxxxxx) --- I just experienced another kernel panic on the same VM above. Log below: --- [ 7720.804438] BUG: #DF stack guard page was hit at 00000000d9071369 (stack is 000000002e08a9df..0000000059db9875) [ 7720.804460] stack guard page: 0000 [#1] SMP PTI [ 7720.804464] CPU: 0 PID: 809 Comm: dockerd Not tainted 5.15.0-46-generic #49-Ubuntu [ 7720.804473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014 [ 7720.804475] RIP: 0010:error_entry+0xc/0x130 [ 7720.804498] Code: ff 85 db 0f 85 19 fd ff ff 0f 01 f8 e9 11 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 fc 56 48 8b 74 24 08 48 89 7c 24 08 <52> 51 50 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 [ 7720.804500] RSP: 0000:fffffe0000009000 EFLAGS: 00010087 [ 7720.804503] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804504] RDX: 0000000000000000 RSI: ffffffff87000b48 RDI: fffffe0000009078 [ 7720.804505] RBP: fffffe0000009068 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804506] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009078 [ 7720.804507] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804508] FS: 00007fd11cff9640(0000) GS:ffff8988bbc00000(0000) knlGS:0000000000000000 [ 7720.804509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7720.804511] CR2: fffffe0000008ff8 CR3: 00000001292be000 CR4: 00000000000006f0 [ 7720.804514] Call Trace: [ 7720.804519] <#DF> [ 7720.804534] ? exc_page_fault+0x1c/0x170 [ 7720.804538] asm_exc_page_fault+0x26/0x30 [ 7720.804541] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804543] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804545] RSP: 0000:fffffe0000009128 EFLAGS: 00010087 [ 7720.804546] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe0000009158 [ 7720.804548] RBP: fffffe0000009148 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804548] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009158 [ 7720.804549] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804550] ? native_iret+0x7/0x7 [ 7720.804562] asm_exc_page_fault+0x26/0x30 [ 7720.804564] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804566] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804567] RSP: 0000:fffffe0000009208 EFLAGS: 00010087 [ 7720.804568] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe0000009238 [ 7720.804570] RBP: fffffe0000009228 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804570] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009238 [ 7720.804571] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804592] ? native_iret+0x7/0x7 [ 7720.804594] asm_exc_page_fault+0x26/0x30 [ 7720.804597] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804598] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804608] RSP: 0000:fffffe00000092e8 EFLAGS: 00010087 [ 7720.804610] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe0000009318 [ 7720.804611] RBP: fffffe0000009308 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804612] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009318 [ 7720.804612] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804614] ? native_iret+0x7/0x7 [ 7720.804616] asm_exc_page_fault+0x26/0x30 [ 7720.804618] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804620] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804629] RSP: 0000:fffffe00000093c8 EFLAGS: 00010087 [ 7720.804630] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe00000093f8 [ 7720.804632] RBP: fffffe00000093e8 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804632] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe00000093f8 [ 7720.804633] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804634] ? native_iret+0x7/0x7 [ 7720.804637] asm_exc_page_fault+0x26/0x30 [ 7720.804639] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804640] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804641] RSP: 0000:fffffe00000094a8 EFLAGS: 00010087 [ 7720.804642] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe00000094d8 [ 7720.804643] RBP: fffffe00000094c8 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804644] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe00000094d8 [ 7720.804645] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804645] ? native_iret+0x7/0x7 [ 7720.804647] asm_exc_page_fault+0x26/0x30 [ 7720.804649] RIP: 0010:exc_page_fault+0x1c/0x170 [ 7720.804650] Code: 07 01 eb c4 e8 b5 01 00 00 cc cc cc cc cc 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 0f 20 d0 0f 1f 40 00 49 89 c5 <65> 48 8b 04 25 c0 fb 01 00 48 8b 80 98 08 00 00 0f 18 48 78 66 90 [ 7720.804651] RSP: 0000:fffffe0000009588 EFLAGS: 00010087 [ 7720.804652] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe00000095b8 [ 7720.804653] RBP: fffffe00000095a8 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804654] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe00000095b8 [ 7720.804655] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804656] ? native_iret+0x7/0x7 [ 7720.804657] asm_exc_page_fault+0x26/0x30 [ 7720.804659] RIP: 0010:irqentry_enter+0xf/0x50 [ 7720.804661] Code: 66 66 2e 0f 1f 84 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 f6 87 88 00 00 00 03 75 17 31 c0 <65> 48 8b 14 25 c0 fb 01 00 f6 42 2c 02 75 13 5d c3 cc cc cc cc e8 [ 7720.804661] RSP: 0000:fffffe0000009668 EFLAGS: 00010046 [ 7720.804662] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.804663] RDX: 0000000000000000 RSI: ffffffff87000aea RDI: fffffe0000009698 [ 7720.804677] RBP: fffffe0000009668 R08: 0000000000000000 R09: 0000000000000000 [ 7720.804678] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009698 [ 7720.804679] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 7720.804680] ? native_iret+0x7/0x7 [ 7720.804681] ? asm_exc_invalid_op+0xa/0x20 [ 7720.804684] exc_invalid_op+0x25/0x70 [ 7720.804686] asm_exc_invalid_op+0x1a/0x20 [ 7720.804688] RIP: 0010:asm_exc_invalid_op+0x0/0x20 [ 7720.804690] Code: 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 48 8b 74 24 78 48 c7 44 24 78 ff ff ff ff e8 ea 7f f9 ff e9 a5 0a 00 00 0f 1f 44 00 00 <0f> 1f 00 6a ff e8 66 09 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 [ 7720.804691] RSP: 0000:fffffe0000009748 EFLAGS: 00010002 [ 7720.804692] RAX: 000000c0009b6600 RBX: 000000c0008ba750 RCX: 0000000000000028 [ 7720.804693] RDX: 0000000000000090 RSI: 0000000000203000 RDI: 00007fd1244e3138 [ 7720.804694] RBP: 00007fd11cff8af8 R08: 0000000000000003 R09: 00007fd1260cdd3b [ 7720.804695] R10: 00000000000fbeb0 R11: 00007fd126287fff R12: 000000c0008ba750 [ 7720.804695] R13: 000000c0009b6600 R14: 000000c0009cf860 R15: 0000000000000000 [ 7720.804700] WARNING: stack recursion on stack type 5 [ 7720.804703] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804705] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804707] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804709] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804711] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804722] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804724] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804726] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804728] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804730] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804732] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804734] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804736] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804737] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804739] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804742] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804744] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804746] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804747] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804749] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804751] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804753] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804755] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804757] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804759] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804761] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804763] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804765] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804767] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804769] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804779] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804782] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804783] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804785] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804787] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804789] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804791] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804793] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804796] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804797] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804799] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804801] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804803] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804805] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804807] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804809] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804811] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804813] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804815] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804817] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804818] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804820] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804822] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804824] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804826] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804828] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804830] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804832] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804834] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804836] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804838] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804840] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804841] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804843] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804845] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804847] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804849] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804851] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804853] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804855] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804857] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804859] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804861] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804877] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804878] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804880] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804882] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804895] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804898] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804900] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804902] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804904] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804906] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804908] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804910] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804912] ? asm_exc_alignment_check+0x30/0x30 [ 7720.804915] ? asm_exc_stack_segment+0x10/0x30 [ 7720.804917] ? vsnprintf+0x359/0x550 [ 7720.804935] ? vsnprintf+0x359/0x550 [ 7720.804936] ? sprintf+0x56/0x80 [ 7720.804938] ? __sprint_symbol.constprop.0+0xee/0x110 [ 7720.804964] ? symbol_string+0xa2/0x140 [ 7720.804966] ? symbol_string+0xa2/0x140 [ 7720.804968] ? vsnprintf+0x397/0x550 [ 7720.804969] ? vscnprintf+0xd/0x40 [ 7720.804970] ? printk_sprint+0x79/0xa0 [ 7720.804978] ? pointer+0x230/0x4f0 [ 7720.804980] ? vsnprintf+0x397/0x550 [ 7720.804982] ? vscnprintf+0xd/0x40 [ 7720.804983] ? printk_sprint+0x5e/0xa0 [ 7720.804985] ? vprintk_store+0x2fe/0x5b0 [ 7720.804987] ? defer_console_output+0x3b/0x50 [ 7720.804989] ? vprintk+0x4a/0x90 [ 7720.804991] ? is_bpf_text_address+0x17/0x30 [ 7720.805002] ? kernel_text_address+0xf7/0x100 [ 7720.805011] ? unwind_next_frame.part.0+0x86/0x200 [ 7720.805020] ? __kernel_text_address+0x12/0x50 [ 7720.805022] ? show_trace_log_lvl+0x1cb/0x2df [ 7720.805033] ? show_trace_log_lvl+0x1cb/0x2df [ 7720.805035] ? asm_exc_alignment_check+0x30/0x30 [ 7720.805038] ? show_regs.part.0+0x23/0x29 [ 7720.805039] ? __die_body.cold+0x8/0xd [ 7720.805056] ? __die+0x2b/0x37 [ 7720.805057] ? die+0x30/0x60 [ 7720.805067] ? handle_stack_overflow+0x4e/0x60 [ 7720.805069] ? exc_double_fault+0x155/0x190 [ 7720.805071] ? asm_exc_double_fault+0x1e/0x30 [ 7720.805073] ? native_iret+0x7/0x7 [ 7720.805074] ? asm_exc_page_fault+0x8/0x30 [ 7720.805077] ? error_entry+0xc/0x130 [ 7720.805078] </#DF> [ 7720.805083] Modules linked in: tcp_diag udp_diag inet_diag veth xt_nat xt_tcpudp xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink br_netfilter bridge stp llc overlay sch_fq_codel cp210x input_leds usbserial cdc_acm joydev serio_raw mac_hid qemu_fw_cfg dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua mtd pstore_blk ramoops netconsole pstore_zone reed_solomon ipmi_devintf ipmi_msghandler msr efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper hid_generic syscopyarea sysfillrect sysimgblt fb_sys_fops cec usbhid rc_core virtio_net net_failover hid drm psmouse virtio_scsi failover i2c_piix4 pata_acpi floppy [ 7720.901966] ---[ end trace b7f1a532a0e81c78 ]--- [ 7720.901991] RIP: 0010:error_entry+0xc/0x130 [ 7720.901998] Code: ff 85 db 0f 85 19 fd ff ff 0f 01 f8 e9 11 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 fc 56 48 8b 74 24 08 48 89 7c 24 08 <52> 51 50 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 [ 7720.901999] RSP: 0000:fffffe0000009000 EFLAGS: 00010087 [ 7720.902001] RAX: 000000000001fbc0 RBX: 0000000000000000 RCX: ffffffff87001187 [ 7720.902002] RDX: 0000000000000000 RSI: ffffffff87000b48 RDI: fffffe0000009078 [ 7720.902003] RBP: fffffe0000009068 R08: 0000000000000000 R09: 0000000000000000 [ 7720.902004] R10: 0000000000000000 R11: 0000000000000000 R12: fffffe0000009078 [ 7720.902004] R13: 000000000001fbc0 R14: 0000000000000000 R15: 0000000000000000 [ 7720.902005] FS: 00007fd11cff9640(0000) GS:ffff8988bbc00000(0000) knlGS:0000000000000000 [ 7720.902007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7720.902008] CR2: fffffe0000008ff8 CR3: 00000001292be000 CR4: 00000000000006f0 [ 7720.902013] Kernel panic - not syncing: Fatal exception in interrupt [ 7720.902108] Kernel Offset: 0x5200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) -- You may reply to this email to add a comment. 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