Hello,
kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
commit: dc7d50c79a0bb5d28cd63b024c2e840199f96287 ("x86: lift the extern for csum_partial() into checksum.h")
https://git.kernel.org/cgit/linux/kernel/git/viro/vfs.git work.csum-x86
in testcase: boot
compiler: gcc-11
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+-------------------------------------------------------------------------+------------+------------+
| | bc6c76fc10 | dc7d50c79a |
+-------------------------------------------------------------------------+------------+------------+
| BUG:unable_to_handle_page_fault_for_address | 0 | 9 |
| Oops:#[##] | 0 | 9 |
| EIP:csum_partial | 0 | 9 |
| Kernel_panic-not_syncing:Fatal_exception_in_interrupt | 0 | 9 |
+-------------------------------------------------------------------------+------------+------------+
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]
[ 293.263231][ C1] BUG: unable to handle page fault for address: ee3fe000
[ 293.264348][ C1] #PF: supervisor read access in kernel mode
[ 293.264930][ C1] #PF: error_code(0x0000) - not-present page
[ 293.265511][ C1] *pde = 05df2067 *pte = 00000000
[ 293.266034][ C1] Oops: 0000 [#1] SMP
[ 293.266491][ C1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G N 6.6.0-rc5-00018-gdc7d50c79a0b #1
[ 293.267493][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 293.268498][ C1] EIP: csum_partial (arch/x86/lib/checksum_32.S:200)
[ 293.269040][ C1] Code: d0 00 e9 92 00 00 00 66 03 06 83 d0 00 e9 87 00 00 00 03 46 80 13 46 84 13 46 88 13 46 8c 13 46 90 13 46 94 13 46 98 13 46 9c <13> 46 a0 13 46 a4 13 46 a8 13 46 ac 13 46 b0 13 46 b4 13 46 b8 13
All code
========
0: d0 00 rolb (%rax)
2: e9 92 00 00 00 jmp 0x99
7: 66 03 06 add (%rsi),%ax
a: 83 d0 00 adc $0x0,%eax
d: e9 87 00 00 00 jmp 0x99
12: 03 46 80 add -0x80(%rsi),%eax
15: 13 46 84 adc -0x7c(%rsi),%eax
18: 13 46 88 adc -0x78(%rsi),%eax
1b: 13 46 8c adc -0x74(%rsi),%eax
1e: 13 46 90 adc -0x70(%rsi),%eax
21: 13 46 94 adc -0x6c(%rsi),%eax
24: 13 46 98 adc -0x68(%rsi),%eax
27: 13 46 9c adc -0x64(%rsi),%eax
2a:* 13 46 a0 adc -0x60(%rsi),%eax <-- trapping instruction
2d: 13 46 a4 adc -0x5c(%rsi),%eax
30: 13 46 a8 adc -0x58(%rsi),%eax
33: 13 46 ac adc -0x54(%rsi),%eax
36: 13 46 b0 adc -0x50(%rsi),%eax
39: 13 46 b4 adc -0x4c(%rsi),%eax
3c: 13 46 b8 adc -0x48(%rsi),%eax
3f: 13 .byte 0x13
Code starting with the faulting instruction
===========================================
0: 13 46 a0 adc -0x60(%rsi),%eax
3: 13 46 a4 adc -0x5c(%rsi),%eax
6: 13 46 a8 adc -0x58(%rsi),%eax
9: 13 46 ac adc -0x54(%rsi),%eax
c: 13 46 b0 adc -0x50(%rsi),%eax
f: 13 46 b4 adc -0x4c(%rsi),%eax
12: 13 46 b8 adc -0x48(%rsi),%eax
15: 13 .byte 0x13
[ 293.270832][ C1] EAX: 719f338b EBX: c30cc3da ECX: 0135749f EDX: c2c051b5
[ 293.272687][ C1] ESI: ee3fe060 EDI: c639de3c EBP: c639ddf0 ESP: c639dde4
[ 293.273417][ C1] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010a17
[ 293.274185][ C1] CR0: 80050033 CR2: ee3fe000 CR3: 0540b000 CR4: 000406d0
[ 293.274876][ C1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 293.275549][ C1] DR6: fffe0ff0 DR7: 00000400
[ 293.276033][ C1] Call Trace:
[ 293.276402][ C1] <SOFTIRQ>
[ 293.276744][ C1] ? show_regs (arch/x86/kernel/dumpstack.c:478)
[ 293.277226][ C1] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)
[ 293.277670][ C1] ? page_fault_oops (arch/x86/mm/fault.c:707)
[ 293.278135][ C1] ? kernelmode_fixup_or_oops+0x7c/0xcc
[ 293.278755][ C1] ? __bad_area_nosemaphore+0x114/0x1ec
[ 293.279378][ C1] ? bad_area_nosemaphore (arch/x86/mm/fault.c:867)
[ 293.279904][ C1] ? do_kern_addr_fault (arch/x86/mm/fault.c:1227)
[ 293.280390][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1503 arch/x86/mm/fault.c:1561)
[ 293.280899][ C1] ? csum_partial (arch/x86/lib/checksum_32.S:211)
[ 293.281373][ C1] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1518)
[ 293.281978][ C1] ? handle_exception (arch/x86/entry/entry_32.S:1056)
[ 293.282534][ C1] ? csum_partial (arch/x86/lib/checksum_32.S:211)
[ 293.282997][ C1] ? __skb_checksum (net/core/skbuff.c:3283)
[ 293.283528][ C1] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1518)
[ 293.284136][ C1] ? csum_partial (arch/x86/lib/checksum_32.S:200)
[ 293.284593][ C1] ? pvclock_clocksource_read_nowd (arch/x86/mm/fault.c:1518)
[ 293.285170][ C1] ? csum_partial (arch/x86/lib/checksum_32.S:200)
[ 293.285821][ C1] ? csum_partial_ext (include/net/checksum.h:187)
[ 293.286518][ C1] __skb_checksum (net/core/skbuff.c:3283)
[ 293.287229][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5136)
[ 293.288065][ C1] skb_checksum (net/core/skbuff.c:3362)
[ 293.288738][ C1] ? csum_block_add_ext (include/net/checksum.h:185)
[ 293.289326][ C1] ? reqsk_fastopen_remove (net/core/skbuff.c:168)
[ 293.289857][ C1] __skb_gro_checksum_complete (net/core/gro.c:751)
[ 293.290503][ C1] udp4_gro_receive (net/ipv4/udp_offload.c:635)
[ 293.291078][ C1] inet_gro_receive (net/ipv4/af_inet.c:1571 (discriminator 2))
[ 293.291607][ C1] dev_gro_receive (net/core/gro.c:490)
[ 293.292107][ C1] napi_gro_receive (net/core/gro.c:609)
[ 293.292803][ C1] e1000_clean_rx_irq (drivers/net/ethernet/intel/e1000/e1000_main.c:4464)
[ 293.293668][ C1] e1000_clean (drivers/net/ethernet/intel/e1000/e1000_main.c:3805)
[ 293.294320][ C1] __napi_poll+0x20/0x1ec
[ 293.295127][ C1] net_rx_action (net/core/dev.c:6596 net/core/dev.c:6727)
[ 293.295860][ C1] __do_softirq (include/linux/jump_label.h:207 include/linux/jump_label.h:207 include/trace/events/irq.h:142 kernel/softirq.c:554)
[ 293.296541][ C1] ? __dev_queue_xmit (include/linux/rcupdate.h:308 include/linux/rcupdate.h:817 net/core/dev.c:4367)
[ 293.297376][ C1] ? __lock_text_end (kernel/softirq.c:511)
[ 293.298120][ C1] do_softirq_own_stack (arch/x86/kernel/irq_32.c:57 arch/x86/kernel/irq_32.c:147)
[ 293.298950][ C1] </SOFTIRQ>
[ 293.299512][ C1] do_softirq (kernel/softirq.c:456)
[ 293.300247][ C1] __local_bh_enable_ip (kernel/softirq.c:381)
[ 293.301016][ C1] __dev_queue_xmit (net/core/dev.c:4368)
[ 293.301784][ C1] ? __alloc_skb (net/core/skbuff.c:651)
[ 293.302546][ C1] ? eth_header (net/ethernet/eth.c:85)
[ 293.303308][ C1] ? eth_header_cache_update (net/ethernet/eth.c:82)
[ 293.304226][ C1] ? eth_header_cache_update (net/ethernet/eth.c:82)
[ 293.305042][ C1] ic_bootp_send_if (net/ipv4/ipconfig.c:894)
[ 293.305941][ C1] ic_dynamic (net/ipv4/ipconfig.c:1264)
[ 293.306633][ C1] ip_auto_config (net/ipv4/ipconfig.c:1535)
[ 293.307440][ C1] ? __lock_release (kernel/locking/lockdep.c:5429)
[ 293.308260][ C1] ? add_device_randomness (drivers/char/random.c:926)
[ 293.309104][ C1] ? add_device_randomness (drivers/char/random.c:926)
[ 293.309918][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:63)
[ 293.310745][ C1] ? add_device_randomness (drivers/char/random.c:926)
[ 293.311576][ C1] ? root_nfs_parse_addr (net/ipv4/ipconfig.c:1477)
[ 293.312380][ C1] do_one_initcall (init/main.c:1232)
[ 293.313158][ C1] ? rdinit_setup (init/main.c:1280)
[ 293.313908][ C1] ? rdinit_setup (init/main.c:1280)
[ 293.314628][ C1] do_initcalls (init/main.c:1293 init/main.c:1310)
[ 293.315344][ C1] ? rest_init (init/main.c:1429)
[ 293.316127][ C1] kernel_init_freeable (init/main.c:1549)
[ 293.316899][ C1] kernel_init (init/main.c:1439)
[ 293.317571][ C1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 293.318275][ C1] ? rest_init (init/main.c:1429)
[ 293.318975][ C1] ret_from_fork_asm (arch/x86/entry/entry_32.S:741)
[ 293.319729][ C1] entry_INT80_32 (arch/x86/entry/entry_32.S:947)
[ 293.320957][ C1] Modules linked in:
[ 293.321646][ C1] CR2: 00000000ee3fe000
[ 293.322326][ C1] ---[ end trace 0000000000000000 ]---
[ 293.323304][ C1] EIP: csum_partial (arch/x86/lib/checksum_32.S:200)
[ 293.324048][ C1] Code: d0 00 e9 92 00 00 00 66 03 06 83 d0 00 e9 87 00 00 00 03 46 80 13 46 84 13 46 88 13 46 8c 13 46 90 13 46 94 13 46 98 13 46 9c <13> 46 a0 13 46 a4 13 46 a8 13 46 ac 13 46 b0 13 46 b4 13 46 b8 13
All code
========
0: d0 00 rolb (%rax)
2: e9 92 00 00 00 jmp 0x99
7: 66 03 06 add (%rsi),%ax
a: 83 d0 00 adc $0x0,%eax
d: e9 87 00 00 00 jmp 0x99
12: 03 46 80 add -0x80(%rsi),%eax
15: 13 46 84 adc -0x7c(%rsi),%eax
18: 13 46 88 adc -0x78(%rsi),%eax
1b: 13 46 8c adc -0x74(%rsi),%eax
1e: 13 46 90 adc -0x70(%rsi),%eax
21: 13 46 94 adc -0x6c(%rsi),%eax
24: 13 46 98 adc -0x68(%rsi),%eax
27: 13 46 9c adc -0x64(%rsi),%eax
2a:* 13 46 a0 adc -0x60(%rsi),%eax <-- trapping instruction
2d: 13 46 a4 adc -0x5c(%rsi),%eax
30: 13 46 a8 adc -0x58(%rsi),%eax
33: 13 46 ac adc -0x54(%rsi),%eax
36: 13 46 b0 adc -0x50(%rsi),%eax
39: 13 46 b4 adc -0x4c(%rsi),%eax
3c: 13 46 b8 adc -0x48(%rsi),%eax
3f: 13 .byte 0x13
Code starting with the faulting instruction
===========================================
0: 13 46 a0 adc -0x60(%rsi),%eax
3: 13 46 a4 adc -0x5c(%rsi),%eax
6: 13 46 a8 adc -0x58(%rsi),%eax
9: 13 46 ac adc -0x54(%rsi),%eax
c: 13 46 b0 adc -0x50(%rsi),%eax
f: 13 46 b4 adc -0x4c(%rsi),%eax
12: 13 46 b8 adc -0x48(%rsi),%eax
15: 13 .byte 0x13
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231030/[email protected]
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki