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Wed, 18 Dec 2024 04:04:05 -0800 (PST) MIME-Version: 1.0 From: Naresh Kamboju Date: Wed, 18 Dec 2024 17:33:54 +0530 Message-ID: Subject: qemu-arm64: CONFIG_ARM64_64K_PAGES=y kernel crash on qemu-arm64 with Linux next-20241210 and above To: qemu-devel@nongnu.org, open list , Linux Regressions , linux-ext4 , lkft-triage@lists.linaro.org, linux-mm Cc: =?UTF-8?B?QWxleCBCZW5uw6ll?= , Anders Roxell , Arnd Bergmann , Dan Carpenter Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 2F52C1A0016 X-Rspam-User: X-Stat-Signature: oq9ewbjon3fqjxdz8siwjkugafewfk7h X-HE-Tag: 1734523413-741766 X-HE-Meta: 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 iP1Ow0nE uuqd2bV/LCe2gBcOXE0BeaqIJ3QM7iXT0NrsRJytn5zQvLMWIIla3e03g2WWaCyENg4tmh59DR5kFNmiM+QA1dKRmxTh2wHGktndhmjODUYO5WojTjmxcyXeyZ2wrrTKFLiPJbVjFz1ILpFlcI0SdgCS3qPCvV0lXdf/2g7zZ56OVqIAnwOyCszL1Uj/SOX4ryj0w98D0FJOD3ZlBprEatEBvLXcuqIHvTNkobJDK+u5pyaOICtgkwoGUe9vhK/7ke+5VnFaMogF/dC3F0034jPhBYfJt9kaeZ/fn+HEAnP9OLsN/j0QJgYDS+6GgtVqD90MnRLRxKbTEFa+KMYG+5dMPeIcqEpf6R13ttYAijlplZ8mM8FqHL9MgEmh0L1QEwhzU X-Bogosity: Ham, tests=bogofilter, spamicity=0.000008, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The following kernel crash noticed on qemu-arm64 while running the Linux next-20241210 tag (to next-20241218) kernel built with - CONFIG_ARM64_64K_PAGES=y - CONFIG_ARM64_16K_PAGES=y and running LTP smoke tests. First seen on Linux next-20241210. Good: next-20241209 Bad: next-20241210 and next-20241218 qemu-arm64: 9.1.2 Anyone noticed this ? Test log: --------- tst_test.c:1799: TINFO: === Testing on btrfs === tst_test.c:1158: TINFO: Formatting /dev/loop0 with btrfs opts='' extra opts='' <6>[ 71.880167] BTRFS: device fsid d492b571-012c-40a9-b8e1-efc97408d3bc devid 1 transid 6 /dev/loop0 (7:0) scanned by chdir01 (476) tst_test.c:1170: TINFO: Mounting /dev/loop0 to /tmp/LTP_chdJeywxF/mntpoint fstyp=btrfs flags=0 <6>[ 71.960245] BTRFS info (device loop0): first mount of filesystem d492b571-012c-40a9-b8e1-efc97408d3bc <6>[ 71.970667] BTRFS info (device loop0): using crc32c (crc32c-arm64) checksum algorithm <2>[ 71.993486] BTRFS critical (device loop0): corrupt superblock syschunk array: chunk_start=22020096, invalid chunk sectorsize, have 65536 expect 4096 <3>[ 71.995802] BTRFS error (device loop0): superblock contains fatal errors <3>[ 72.014538] BTRFS error (device loop0): open_ctree failed: -22 tst_test.c:1170: TBROK: mount(/dev/loop0, mntpoint, btrfs, 0, (nil)) failed: EINVAL (22) Summary: passed 48 failed 0 broken 1 skipped 0 warnings 0 Duration: 7.002s ===== symlink01 ===== command: symlink01 <12>[ 72.494428] /usr/local/bin/kirk[253]: starting test symlink01 (symlink01) symlink01 0 TINFO : Using /tmp/LTP_symmsYXet as tmpdir (tmpfs filesystem) symlink01 1 TPASS : Creation of symbolic link file to no object file is ok symlink01 2 TPASS : Creation of symbolic link file to no object file is ok symlink01 3 TPASS : Creation of symbolic link file and object file via symbolic link is ok symlink01 4 TPASS : Creating an existing symbolic link file error is caught symlink01 5 TPASS : Creating a symbolic link which exceeds maximum pathname error is caught Summary: passed 5 failed 0 broken 0 skipped 0 warnings 0 Duration: 0.052s ===== stat04 ===== command: stat04 <12>[ 72.966706] /usr/local/bin/kirk[253]: starting test stat04 (stat04) tst_buffers.c:57: TINFO: Test is using guarded buffers tst_tmpdir.c:316: TINFO: Using /tmp/LTP_staEABwgV as tmpdir (tmpfs filesystem) <6>[ 73.447708] loop0: detected capacity change from 0 to 614400 tst_device.c:96: TINFO: Found free device 0 '/dev/loop0' tst_test.c:1860: TINFO: LTP version: 20240930 tst_test.c:1864: TINFO: Tested kernel: 6.13.0-rc3-next-20241218 #1 SMP PREEMPT @1734498806 aarch64 tst_test.c:1703: TINFO: Timeout per run is 0h 05m 24s stat04.c:60: TINFO: Formatting /dev/loop0 with ext2 opts='-b 4096' extra opts='' mke2fs 1.47.1 (20-May-2024) <3>[ 73.859753] operation not supported error, dev loop0, sector 614272 op 0x9:(WRITE_ZEROES) flags 0x10000800 phys_seg 0 prio class 0 stat04.c:61: TINFO: Mounting /dev/loop0 to /tmp/LTP_staEABwgV/mntpoint fstyp=ext2 flags=0 <6>[ 73.939263] EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem <1>[ 73.946378] Unable to handle kernel paging request at virtual address a8fff00000c0c224 <1>[ 73.947878] Mem abort info: <1>[ 73.949153] ESR = 0x0000000096000005 <1>[ 73.959105] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 73.960031] SET = 0, FnV = 0 <1>[ 73.960349] EA = 0, S1PTW = 0 <1>[ 73.960638] FSC = 0x05: level 1 translation fault <1>[ 73.961005] Data abort info: <1>[ 73.961293] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 <1>[ 73.963739] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 <1>[ 73.964980] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 <1>[ 73.967132] [a8fff00000c0c224] address between user and kernel address ranges <0>[ 73.968923] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP <4>[ 73.970516] Modules linked in: btrfs blake2b_generic xor xor_neon raid6_pq zstd_compress sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables <4>[ 73.974237] CPU: 1 UID: 0 PID: 529 Comm: stat04 Not tainted 6.13.0-rc3-next-20241218 #1 <4>[ 73.975359] Hardware name: linux,dummy-virt (DT) <4>[ 73.977170] pstate: 62402009 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) <4>[ 73.978295] pc : __kmalloc_node_noprof (mm/slub.c:492 mm/slub.c:505 mm/slub.c:532 mm/slub.c:3993 mm/slub.c:4152 mm/slub.c:4293 mm/slub.c:4300) <4>[ 73.980200] lr : alloc_cpumask_var_node (lib/cpumask.c:62 (discriminator 2)) <4>[ 73.981466] sp : ffff80008258f950 <4>[ 73.982228] x29: ffff80008258f970 x28: ffffa93389398000 x27: 0000000000000001 <4>[ 73.983875] x26: fffffc1fc0303080 x25: 00000000ffffffff x24: a8fff00000c0c224 <4>[ 73.985649] x23: 0000000000000cc0 x22: ffffa93387f51d0c x21: 00000000ffffffff <4>[ 73.986188] x20: fff00000c0010400 x19: 0000000000000008 x18: 0000000000000000 <4>[ 73.988686] x17: fff056cd748b0000 x16: ffff800080020000 x15: 0000000000000000 <4>[ 73.990276] x14: 0000000000002a66 x13: 0000000000004000 x12: 0000000000000001 <4>[ 73.992401] x11: 0000000000000002 x10: 0000000000004001 x9 : ffffa93387f51d0c <4>[ 73.993108] x8 : fff00000c2c99240 x7 : 0000000000000001 x6 : 0000000000000001 <4>[ 73.993886] x5 : fff00000c4879800 x4 : 0000000000000000 x3 : 000000000033a401 <4>[ 73.995550] x2 : 0000000000000000 x1 : a8fff00000c0c224 x0 : fff00000c0010400 <4>[ 73.997017] Call trace: <4>[ 73.998266] __kmalloc_node_noprof+0x100/0x4a0 P <4>[ 73.999716] alloc_cpumask_var_node (lib/cpumask.c:62 (discriminator 2)) <4>[ 74.000942] alloc_workqueue_attrs (kernel/workqueue.c:4624 (discriminator 1)) <4>[ 74.001327] apply_wqattrs_prepare (kernel/workqueue.c:5263) <4>[ 74.003095] apply_workqueue_attrs_locked (kernel/workqueue.c:5351) <4>[ 74.003855] alloc_workqueue (kernel/workqueue.c:5722 (discriminator 1) kernel/workqueue.c:5772 (discriminator 1)) <4>[ 74.005398] ext4_fill_super (fs/ext4/super.c:5484 fs/ext4/super.c:5722) <4>[ 74.006132] get_tree_bdev_flags (fs/super.c:1636) <4>[ 74.007624] get_tree_bdev (fs/super.c:1660) <4>[ 74.008664] ext4_get_tree (fs/ext4/super.c:5755) <4>[ 74.009423] vfs_get_tree (fs/super.c:1814) <4>[ 74.009703] path_mount (fs/namespace.c:3556 fs/namespace.c:3883) <4>[ 74.010608] __arm64_sys_mount (fs/namespace.c:3896 fs/namespace.c:4107 fs/namespace.c:4084 fs/namespace.c:4084) <4>[ 74.011527] invoke_syscall.constprop.0 (arch/arm64/include/asm/syscall.h:61 arch/arm64/kernel/syscall.c:54) <4>[ 74.012798] do_el0_svc (include/linux/thread_info.h:135 (discriminator 2) arch/arm64/kernel/syscall.c:140 (discriminator 2) arch/arm64/kernel/syscall.c:151 (discriminator 2)) <4>[ 74.014042] el0_svc (arch/arm64/include/asm/irqflags.h:82 (discriminator 1) arch/arm64/include/asm/irqflags.h:123 (discriminator 1) arch/arm64/include/asm/irqflags.h:136 (discriminator 1) arch/arm64/kernel/entry-common.c:165 (discriminator 1) arch/arm64/kernel/entry-common.c:178 (discriminator 1) arch/arm64/kernel/entry-common.c:745 (discriminator 1)) <4>[ 74.014942] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:763) <4>[ 74.015917] el0t_64_sync (arch/arm64/kernel/entry.S:600) <0>[ 74.017042] Code: 12800019 b9402a82 aa1803e1 aa1403e0 (f8626b1a) All code ======== 0: 12800019 mov w25, #0xffffffff // #-1 4: b9402a82 ldr w2, [x20, #40] 8: aa1803e1 mov x1, x24 c: aa1403e0 mov x0, x20 10:* f8626b1a ldr x26, [x24, x2] <-- trapping instruction Code starting with the faulting instruction =========================================== 0: f8626b1a ldr x26, [x24, x2] <4>[ 74.019014] ---[ end trace 0000000000000000 ]--- tst_test.c:1763: TBROK: Test killed by SIGSEGV! Summary: passed 0 failed 0 broken 1 skipped 0 warnings 0 tst_device.c:269: TWARN: ioctl(/dev/loop0, LOOP_CLR_FD, 0) no ENXIO for too long Tainted kernel: kernel died recently, i.e. there was an OOPS or BUG[0m Tainted kernel: ['kernel died recently, i.e. there was an OOPS or BUG'][0m Restarting SUT: host ===== df01_sh ===== command: df01.sh <12>[ 76.370093] /usr/local/bin/kirk[253]: starting test df01_sh (df01.sh) Tainted kernel: kernel died recently, i.e. there was an OOPS or BUG[0m <1>[ 76.603065] Unable to handle kernel paging request at virtual address a8fff00000c0c224 <1>[ 76.603922] Mem abort info: <1>[ 76.604197] ESR = 0x0000000096000005 <1>[ 76.604638] EC = 0x25: DABT (current EL), IL = 32 bits <1>[ 76.605128] SET = 0, FnV = 0 <1>[ 76.606996] EA = 0, S1PTW = 0 <1>[ 76.607274] FSC = 0x05: level 1 translation fault <1>[ 76.607611] Data abort info: <1>[ 76.607897] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 <1>[ 76.609765] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 <1>[ 76.610958] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 <1>[ 76.611652] [a8fff00000c0c224] address between user and kernel address ranges <0>[ 76.612130] Internal error: Oops: 0000000096000005 [#2] PREEMPT SMP <4>[ 76.613305] Modules linked in: btrfs blake2b_generic xor xor_neon raid6_pq zstd_compress sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables <4>[ 76.617688] CPU: 1 UID: 0 PID: 553 Comm: df01.sh Tainted: G D 6.13.0-rc3-next-20241218 #1 <4>[ 76.620869] Tainted: [D]=DIE <4>[ 76.621184] Hardware name: linux,dummy-virt (DT) <4>[ 76.622671] pstate: 63402009 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) <4>[ 76.623693] pc : __kmalloc_node_noprof (mm/slub.c:492 mm/slub.c:505 mm/slub.c:532 mm/slub.c:3993 mm/slub.c:4152 mm/slub.c:4293 mm/slub.c:4300) <4>[ 76.624180] lr : __vmalloc_node_range_noprof (include/linux/slab.h:922 mm/vmalloc.c:3647 mm/vmalloc.c:3846) <4>[ 76.625290] sp : ffff80008258fa90 <4>[ 76.626275] x29: ffff80008258fab0 x28: fff00000c2c98e80 x27: fff00000c48fd100 <4>[ 76.626966] x26: fffffc1fc0303080 x25: 00000000ffffffff x24: a8fff00000c0c224 <4>[ 76.627599] x23: 0000000000000dc0 x22: ffffa93386d87390 x21: 00000000ffffffff <4>[ 76.628603] x20: fff00000c0010400 x19: 0000000000000008 x18: 0000000000000000 <4>[ 76.629618] x17: 0000000000000000 x16: ffff800082180000 x15: ffff800080000000 <4>[ 76.630999] x14: fff00000c00203f0 x13: 00000ffff8000821 x12: 0000000000000000 <4>[ 76.632089] x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa93386d87390 <4>[ 76.634293] x8 : ffff80008258f908 x7 : fff00000c2c98e80 x6 : 0000000000010000 <4>[ 76.634816] x5 : ffffa93389379000 x4 : 0000000000000000 x3 : 000000000033b801 <4>[ 76.636355] x2 : 0000000000000000 x1 : a8fff00000c0c224 x0 : fff00000c0010400 <4>[ 76.638309] Call trace: <4>[ 76.639031] __kmalloc_node_noprof+0x100/0x4a0 P <4>[ 76.640890] __vmalloc_node_range_noprof (include/linux/slab.h:922 mm/vmalloc.c:3647 mm/vmalloc.c:3846) <4>[ 76.641267] copy_process (kernel/fork.c:314 (discriminator 1) kernel/fork.c:1061 (discriminator 1) kernel/fork.c:2176 (discriminator 1)) <4>[ 76.641795] kernel_clone (kernel/fork.c:2758) <4>[ 76.643003] __do_sys_clone (kernel/fork.c:2902) <4>[ 76.644078] __arm64_sys_clone (kernel/fork.c:2869) <4>[ 76.645306] invoke_syscall.constprop.0 (arch/arm64/include/asm/syscall.h:61 arch/arm64/kernel/syscall.c:54) <4>[ 76.646337] do_el0_svc (include/linux/thread_info.h:135 (discriminator 2) arch/arm64/kernel/syscall.c:140 (discriminator 2) arch/arm64/kernel/syscall.c:151 (discriminator 2)) <4>[ 76.646974] el0_svc (arch/arm64/include/asm/irqflags.h:82 (discriminator 1) arch/arm64/include/asm/irqflags.h:123 (discriminator 1) arch/arm64/include/asm/irqflags.h:136 (discriminator 1) arch/arm64/kernel/entry-common.c:165 (discriminator 1) arch/arm64/kernel/entry-common.c:178 (discriminator 1) arch/arm64/kernel/entry-common.c:745 (discriminator 1)) <4>[ 76.647709] el0t_64_sync_handler (arch/arm64/kernel/entry-common.c:763) <4>[ 76.649032] el0t_64_sync (arch/arm64/kernel/entry.S:600) <0>[ 76.649724] Code: 12800019 b9402a82 aa1803e1 aa1403e0 (f8626b1a) All code ======== 0: 12800019 mov w25, #0xffffffff // #-1 4: b9402a82 ldr w2, [x20, #40] 8: aa1803e1 mov x1, x24 c: aa1403e0 mov x0, x20 10:* f8626b1a ldr x26, [x24, x2] <-- trapping instruction Code starting with the faulting instruction =========================================== 0: f8626b1a ldr x26, [x24, x2] <4>[ 79.647693] ---[ end trace 0000000000000000 ]--- <0>[ 79.649260] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b <2>[ 79.650229] SMP: stopping secondary CPUs <0>[ 79.651558] Kernel Offset: 0x293306a00000 from 0xffff800080000000 <0>[ 79.652015] PHYS_OFFSET: 0x40000000 <0>[ 79.652461] CPU features: 0x000,000000d0,60bef2d8,cb7e7f3f <0>[ 79.653039] Memory Limit: none <0>[ 79.653854] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- Links: ------- - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241218/testrun/26396709/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-attempted-to-kill-init-exitcode/history/ - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241212/testrun/26277241/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-attempted-to-kill-init-exitcode/log - https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/tests/2qNMDhPFtR8j185QSvZMn989u84 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2qNMCQazNJteQLGCw7MnMtUwzkD/ - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20241211/testrun/26266202/suite/log-parser-test/test/panic-multiline-kernel-panic-not-syncing-attempted-to-kill-init-exitcode/details/ metadata: ---- git describe: next-20241210..next-20241218 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2qNMCQazNJteQLGCw7MnMtUwzkD/config build url: https://storage.tuxsuite.com/public/linaro/lkft/builds/2qNMCQazNJteQLGCw7MnMtUwzkD/ toolchain: gcc-13 config: CONFIG_ARM64_64K_PAGES=y, CONFIG_ARM64_16K_PAGES=y arch: arm64 qemu: qemu-arm64 version 9.1.2 -- Linaro LKFT https://lkft.linaro.org