Reproduced this with mainline arm64 kernel https://kernel.ubuntu.com/~kernel-ppa/mainline/v6.5/arm64/linux-image- unsigned-6.5.0-060500-generic_6.5.0-060500.202308271831_arm64.deb
[ 184.853731] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 184.862627] pc : d_instantiate_new+0xa8/0xc8 [ 184.867973] lr : ext4_add_nondir+0xf0/0x148 [ 184.872959] sp : ffff8000828ab950 [ 184.877059] x29: ffff8000828ab950 x28: 0000000000000000 x27: ffffd975b8b9a6c0 [ 184.885032] x26: ffff7b0094e32c20 x25: 0000000000008180 x24: ffff7b01432e9848 [ 184.893573] x23: ffff8000828aba30 x22: ffff7b0094e32c00 x21: ffff7b0172d574d0 [ 184.902071] x20: ffff7b0089fbc688 x19: 0000000000000000 x18: ffff800082295068 [ 184.910550] x17: 0000000000000000 x16: 0000000000000000 x15: 5e9ca062546ae354 [ 184.919056] x14: 998c9ec3ecc3a882 x13: 24d23ffaf8b470b6 x12: 022485883b51bee2 [ 184.927692] x11: 5c7ac5c18df459ab x10: 6e24d23ffaf8b470 x9 : ffffd975b7c3d730 [ 184.936212] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 [ 184.944811] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 184.953651] x2 : ffffd975bab42cf0 x1 : ffff7b0089fbc688 x0 : ffff7b0094e32c00 [ 184.962508] Call trace: [ 184.965316] d_instantiate_new+0xa8/0xc8 [ 184.969803] ext4_create+0x120/0x238 [ 184.973910] lookup_open.isra.0+0x478/0x4c8 [ 184.978689] open_last_lookups+0x160/0x3b0 [ 184.983374] path_openat+0x9c/0x290 [ 184.987372] do_filp_open+0xac/0x188 [ 184.991444] do_sys_openat2+0xe4/0x120 [ 184.995701] __arm64_sys_openat+0x6c/0xd8 [ 185.000271] invoke_syscall+0x7c/0x128 [ 185.004520] el0_svc_common.constprop.0+0x5c/0x168 [ 185.009977] do_el0_svc+0x38/0x68 [ 185.013775] el0_svc+0x30/0xe0 [ 185.017265] el0t_64_sync_handler+0x148/0x158 [ 185.022183] el0t_64_sync+0x1b0/0x1b8 [ 185.026332] Code: d2800002 d2800010 d2800011 d65f03c0 (d4210000) [ 185.033606] ---[ end trace 0000000000000000 ]--- Took a while to trigger. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2038768 Title: arm64: linux: stress-ng filename stressor crashes kernel Status in linux package in Ubuntu: Incomplete Status in linux source package in Mantic: Incomplete Bug description: Running latest Ubuntu mantic (ext4 file system) with kernel: Linux mantic-arm64 6.5.0-7-generic #7-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 28 19:12:05 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux How to reproduce: Fire up a 24 instance ARM64 QEMU instance with Ubuntu Mantic Server. Install latest stress-ng from git repo: sudo apt-get update sudo apt-get build-dep stress-ng git clone git://github.com/ColinIanKing/stress-ng cd stress-ng make clean make -j 24 make verify-test-all When we reach the filename stressor the kernel crashes as follows: [ 902.594715] kernel BUG at fs/dcache.c:2050! [ 902.598205] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP [ 902.603127] Modules linked in: dccp_ipv4 dccp atm vfio_iommu_type1 vfio iommu fd cmac algif_rng twofish_generic twofish_common serpent_generic fcrypt cast6_ge neric cast5_generic cast_common camellia_generic blowfish_generic blowfish_commo n aes_arm64 algif_skcipher algif_hash aria_generic sm4_generic sm4_neon ccm aes_ ce_ccm des_generic libdes authenc aegis128 algif_aead af_alg cfg80211 binfmt_mis c nls_iso8859_1 dm_multipath drm efi_pstore dmi_sysfs qemu_fw_cfg ip_tables x_ta bles autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipa th linear crct10dif_ce polyval_ce polyval_generic ghash_ce sm4 sha2_ce sha256_ar m64 sha1_ce arm_smccc_trng xhci_pci virtio_rng xhci_pci_renesas aes_neon_bs aes_ neon_blk aes_ce_blk aes_ce_cipher [ 902.689941] CPU: 1 PID: 91317 Comm: stress-ng-filen Not tainted 6.5.0-7-gener ic #7-Ubuntu [ 902.699281] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 902.706902] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 902.715488] pc : d_instantiate_new+0xa8/0xc8 [ 902.720889] lr : ext4_add_nondir+0x10c/0x160 [ 902.725702] sp : ffff80008b6d3930 [ 902.729390] x29: ffff80008b6d3930 x28: 0000000000000000 x27: ffffbd164e51a980 [ 902.738705] x26: ffff6789f3b68f20 x25: 0000000000008180 x24: ffff678a541f7968 [ 902.747003] x23: ffff6789f3b68f00 x22: ffff80008b6d39b0 x21: ffff678a6a25bcb0 [ 902.755776] x20: ffff678a36f8f028 x19: 0000000000000000 x18: ffff80008af45068 [ 902.764647] x17: 0000000000000000 x16: 0000000000000000 x15: ecececececececec [ 902.773135] x14: ecececececececec x13: ecececececececec x12: ecececececececec [ 902.781386] x11: ecececececececec x10: ecececececececec x9 : ffffbd164d5990bc [ 902.789346] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 [ 902.798564] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 902.806851] x2 : ffffbd16504e4ce0 x1 : ffff678a36f8f028 x0 : ffff6789f3b68f00 [ 902.815544] Call trace: [ 902.818870] d_instantiate_new+0xa8/0xc8 [ 902.823523] ext4_create+0x120/0x238 [ 902.827716] lookup_open.isra.0+0x480/0x4d0 [ 902.832480] open_last_lookups+0x160/0x3b0 [ 902.837060] path_openat+0xa0/0x2a0 [ 902.840975] do_filp_open+0xa8/0x180 [ 902.845582] do_sys_openat2+0xe8/0x128 [ 902.850426] __arm64_sys_openat+0x70/0xe0 [ 902.854952] invoke_syscall+0x7c/0x128 [ 902.859155] el0_svc_common.constprop.0+0x5c/0x168 [ 902.864979] do_el0_svc+0x38/0x68 [ 902.869364] el0_svc+0x30/0xe0 [ 902.873401] el0t_64_sync_handler+0x148/0x158 [ 902.878336] el0t_64_sync+0x1b0/0x1b8 [ 902.882513] Code: d2800002 d2800010 d2800011 d65f03c0 (d4210000) [ 902.890632] ---[ end trace 0000000000000000 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2038768/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
