Hello With this commit, the servers boots with NULL pointer[1], pls help check it. > Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git > Commit: 1983520d28d8 - Merge branch 'for-5.16/io_uring' into for-next [1] [ 8.614036] Kernel attempted to read user page (f) - exploit attempt? (uid: 0) [ 8.614071] BUG: Kernel NULL pointer dereference on read at 0x0000000f [ 8.614099] Faulting instruction address: 0xc00000000093b5b4 [ 8.614118] Oops: Kernel access of bad area, sig: 11 [#1] [ 8.614143] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA PowerNV [ 8.614192] Modules linked in: zram ip_tables ast i2c_algo_bit drm_vram_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm_ttm_helper ttm drm vmx_crypto crc32c_vpmsum i2c_core drm_panel_orientation_quirks [ 8.614285] CPU: 52 PID: 0 Comm: swapper/52 Not tainted 5.15.0-rc6+ #1 [ 8.614323] NIP: c00000000093b5b4 LR: c00000000093b5a4 CTR: c000000000972c50 [ 8.614371] REGS: c000000018d3b430 TRAP: 0300 Not tainted (5.15.0-rc6+) [ 8.614409] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 44004284 XER: 00000000 [ 8.614464] CFAR: c000000000972cd0 DAR: 000000000000000f DSISR: 40000000 IRQMASK: 1 [ 8.614464] GPR00: c00000000093b5a4 c000000018d3b6d0 c0000000028aa100 c000000044582a00 [ 8.614464] GPR04: 00000000ffff8e2c 0000000000000001 0000000000000004 c000000001212930 [ 8.614464] GPR08: 00000000000001d7 0000000000000007 c000000044361f80 0000000000000000 [ 8.614464] GPR12: c000000000972c50 c000001ffffa7200 0000000000000000 0000000000000100 [ 8.614464] GPR16: 0000000000000004 0000000004200042 0000000000000000 0000000000000001 [ 8.614464] GPR20: c0000000028d3a00 c000000002167888 00000000ffff8e2d c000000002167888 [ 8.614464] GPR24: c0000000021f0580 0000000000000001 c000000044582ae0 0000000000000801 [ 8.614464] GPR28: c000000044361f80 c000000044361f80 c00000003b81f800 c000000044582a00 [ 8.614852] NIP [c00000000093b5b4] blk_mq_free_request+0x74/0x210 [ 8.614898] LR [c00000000093b5a4] blk_mq_free_request+0x64/0x210 [ 8.614942] Call Trace: [ 8.614961] [c000000018d3b6d0] [c00000000093b8ec] __blk_mq_end_request+0x19c/0x1d0 (unreliable) [ 8.615020] [c000000018d3b710] [c00000000092fdfc] blk_flush_complete_seq+0x1ac/0x3d0 [ 8.615077] [c000000018d3b770] [c0000000009302dc] flush_end_io+0x2bc/0x390 [ 8.615122] [c000000018d3b7d0] [c00000000093b7cc] __blk_mq_end_request+0x7c/0x1d0 [ 8.615174] [c000000018d3b810] [c000000000c20684] scsi_end_request+0x124/0x270 [ 8.615228] [c000000018d3b860] [c000000000c21458] scsi_io_completion+0x1f8/0x740 [ 8.615250] [c000000018d3b900] [c000000000c13e14] scsi_finish_command+0x134/0x190 [ 8.615292] [c000000018d3b990] [c000000000c21068] scsi_complete+0xa8/0x200 [ 8.615345] [c000000018d3ba10] [c000000000939870] blk_complete_reqs+0x80/0xa0 [ 8.615409] [c000000018d3ba40] [c00000000115dfe0] __do_softirq+0x170/0x3fc [ 8.615475] [c000000018d3bb30] [c00000000015df38] __irq_exit_rcu+0x168/0x1a0 [ 8.615535] [c000000018d3bb60] [c00000000015e140] irq_exit+0x20/0x40 [ 8.615583] [c000000018d3bb80] [c000000000054670] doorbell_exception+0x120/0x300 [ 8.615616] [c000000018d3bbc0] [c000000000016cc4] replay_soft_interrupts+0x1e4/0x2c0 [ 8.615639] [c000000018d3bda0] [c000000000016ed8] arch_local_irq_restore+0x138/0x1a0 [ 8.615694] [c000000018d3bdd0] [c000000000de1714] cpuidle_enter_state+0x104/0x540 [ 8.615741] [c000000018d3be30] [c000000000de1bec] cpuidle_enter+0x4c/0x70 [ 8.615795] [c000000018d3be70] [c0000000001aef18] do_idle+0x2f8/0x3f0 [ 8.615839] [c000000018d3bf00] [c0000000001af238] cpu_startup_entry+0x38/0x40 [ 8.615901] [c000000018d3bf30] [c00000000005be6c] start_secondary+0x29c/0x2b0 [ 8.615969] [c000000018d3bf90] [c00000000000d254] start_secondary_prolog+0x10/0x14 [ 8.616025] Instruction dump: [ 8.616074] 41820048 e93d0008 e9290000 e9890068 2c2c0000 41820010 7d8903a6 4e800421 [ 8.616136] e8410018 e93f00d8 2c290000 41820140 <e8690008> 4bff6b91 60000000 39400000 [ 8.616184] ---[ end trace cc3215be892e1be7 ]--- [ 8.644628] systemd-journald[1408]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. Starting Wait for udev To …plete Device Initialization... [ 8.690954] fuse: init (API version 7.34) [ OK ] Finished Load Kernel Module fuse. [ 8.694411] Mounting FUSE Control File System... [ OK ] Mounted FUSE Control File System. [ OK ] Started Rule-based Manager for Device Events and Files. Starting Load Kernel Module configfs... [ OK ] Finished Load Kernel Module configfs. [ 8.950307] IPMI message handler: version 39.2 [ OK ] Found device /dev/zram0. Starting Create swap on /dev/zram0... [ 9.008355] zram0: detected capacity change from 0 to 16777216 [ 9.694430] Kernel panic - not syncing: Aiee, killing interrupt handler! [ 11.080031] ---[ end Kernel panic - not syncing: Aiee, killing interrupt handler! ]--- On Tue, Oct 19, 2021 at 8:22 AM CKI Project <cki-project@xxxxxxxxxx> wrote: > > > ┌───────────────────────────────────────────────────────────────┐ > │ REVIEW REQUIRED FOR FAILED TEST │ > ├───────────────────────────────────────────────────────────────┤ > │ This failed kernel test has been held for review by kernel │ > │ test maintainers and the CKI team. Please investigate using │ > │ the pipeline link below this box. │ > │ │ > │ If the test failure is related to a non-kernel bug, no action │ > │ is needed. If a kernel bug is found, please reply all with │ > │ your assessment and we will release the report. │ > │ For more details: https://docs.engineering.redhat.com/x/eG5qB │ > └───────────────────────────────────────────────────────────────┘ > > Pipeline: https://gitlab.com/redhat/red-hat-ci-tools/kernel/cki-internal-pipelines/cki-trusted-contributors/-/pipelines/390489191 > > Check out if the issue is autotriaged in the dashboard: > https://datawarehouse.cki-project.org/search?q=390489191 > > Hello, > > We ran automated tests on a recent commit from this kernel tree: > > Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git > Commit: 1983520d28d8 - Merge branch 'for-5.16/io_uring' into for-next > > The results of these automated tests are provided below. > > Overall result: FAILED (see details below) > Merge: OK > Compile: OK > Tests: PANICKED > Targeted tests: NO > > All kernel binaries, config files, and logs are available for download here: > > https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2021/10/18/390489191 > > One or more kernel tests failed: > > s390x: > 💥 Boot test > 💥 Boot test > 💥 Boot test > > ppc64le: > 💥 Storage blktests - srp > 💥 Storage block - filesystem fio test > > aarch64: > 💥 Boot test > 💥 Boot test > 💥 Boot test > 💥 Boot test > > x86_64: > 💥 Boot test > 💥 Boot test > > We hope that these logs can help you find the problem quickly. For the full > detail on our testing procedures, please scroll to the bottom of this message. > > Please reply to this email if you have any questions about the tests that we > ran or if you have any suggestions on how to make future tests more effective. > > ,-. ,-. > ( C ) ( K ) Continuous > `-',-.`-' Kernel > ( I ) Integration > `-' > ______________________________________________________________________________ > > Compile testing > --------------- > > We compiled the kernel for 4 architectures: > > aarch64: > make options: make -j24 INSTALL_MOD_STRIP=1 targz-pkg > > ppc64le: > make options: make -j24 INSTALL_MOD_STRIP=1 targz-pkg > > s390x: > make options: make -j24 INSTALL_MOD_STRIP=1 targz-pkg > > x86_64: > make options: make -j24 INSTALL_MOD_STRIP=1 targz-pkg > > > -- Best Regards, Yi Zhang