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MIME-Version: 1.0 References: In-Reply-To: From: Naresh Kamboju Date: Wed, 18 Dec 2024 21:22:26 +0530 Message-ID: Subject: Re: 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 , Linux btrfs Cc: =?UTF-8?B?QWxleCBCZW5uw6ll?= , Anders Roxell , Arnd Bergmann , Dan Carpenter , Qu Wenruo , David Sterba Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: mjhfqcxi1x7mca59fzytkfax9am7o5wg X-Rspamd-Queue-Id: 12EDE180015 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1734537154-569573 X-HE-Meta: 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 vbQA6YkY degiUAp8ZBCbSM5xylX7SLg0hlDzBKLBotw1M9VX02A7UV4WvvPvdaNel7zteTJokRb5mwsqUVitEFpTcQHIdtVrIBCfyF4BBCRIQIeA6rfUFL/CodTRAIOdwKCbl3w3pJEkV583e/hysnVggxkifIUxAuN74TDpUU41TOayjX8jhDvlh9tJqsJaRq/3k5TWAwfC4El7gWLXCOdf53l9dtxPuSeHEIDQlu2fAdUpluJYxMMzBjOdQtiLJ4iQzPqdL/jTkYcZQe7TRmuEk7pdnuL/bcCT9clIw049YH37bA0JjdiBXlKRfQmJwzB1Qtrhyr5CGiqn3VuLSDo562S6d5XP4fxuJ5AC6Ka8uqMixqC2338M2Qd+Q51ER9gUp/EXHQEx0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 18 Dec 2024 at 17:33, Naresh Kamboju wrote: > > 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 ? > Anders bisected this reported regression and found, # first bad commit: [9c1d66793b6faa00106ae4c866359578bfc012d2] btrfs: validate system chunk array at btrfs_validate_super() > 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