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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 680fb5b009e8 Merge tag 'arm64-upstream' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=13afe5e3080000 kernel config: https://syzkaller.appspot.com/x/.config?x=4557ad2600fc45f4 dashboard link: https://syzkaller.appspot.com/bug?extid=0f2f7e65a3007d39539f compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ea730d080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1546af0d080000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0f2f7e65a3007d39539f@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 15 Dev loop0: unable to read RDB block 15 loop0: unable to read partition table loop0: partition table beyond EOD, truncated ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3025 at mm/page_alloc.c:5403 __alloc_pages+0x150/0x1fc mm/page_alloc.c:5403 Modules linked in: CPU: 0 PID: 3025 Comm: syz-executor332 Not tainted 5.19.0-rc8-syzkaller-01618-g680fb5b009e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/20/2022 pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages+0x150/0x1fc mm/page_alloc.c:5403 lr : alloc_pages+0x2fc/0x404 sp : ffff80000fee3960 x29: ffff80000fee39a0 x28: 00000000000007c0 x27: ffff0000ca8a0800 x26: ffff80000ef11938 x25: ffff0000c5470000 x24: ffff80000ee71730 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 000000000000000c x18: 00000000000000c0 x17: 0000000000000009 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000005 x12: ffff80000d468290 x11: ff808000084ff6a0 x10: 0000000000000000 x9 : 0000000000000001 x8 : ffff80000d8c1000 x7 : ffff80000856455c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000002 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 000000000000000c x0 : 0000000000040dc0 Call trace: __alloc_pages+0x150/0x1fc mm/page_alloc.c:5403 alloc_pages+0x2fc/0x404 kmalloc_order+0x34/0x104 mm/slab_common.c:945 kmalloc_order_trace+0x2c/0x7c mm/slab_common.c:961 kmalloc_large include/linux/slab.h:529 [inline] __kmalloc+0x2cc/0x374 mm/slub.c:4435 kmalloc_array include/linux/slab.h:640 [inline] kcalloc include/linux/slab.h:671 [inline] ext2_fill_super+0xad0/0xfe0 fs/ext2/super.c:1085 mount_bdev+0x1b8/0x210 fs/super.c:1367 ext2_mount+0x44/0x58 fs/ext2/super.c:1465 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1497 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x8b0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 irq event stamp: 12290 hardirqs last enabled at (12289): [] mod_lruvec_page_state include/linux/vmstat.h:569 [inline] hardirqs last enabled at (12289): [] kmalloc_order+0xac/0x104 mm/slab_common.c:948 hardirqs last disabled at (12290): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395 softirqs last enabled at (12146): [] _stext+0x2e4/0x37c softirqs last disabled at (12129): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (12129): [] invoke_softirq+0x70/0xbc kernel/softirq.c:452 ---[ end trace 0000000000000000 ]--- EXT2-fs (loop0): error: not enough memory --- This report is generated by a bot. 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