loop0: detected capacity change from 0 to 128 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= hpfs: filesystem error: invalid number of hotfixes: 2066844986, used: 2066844985; already mounted read-only hpfs: filesystem error: improperly stopped hpfs: filesystem error: warning: spare dnodes used, try chkdsk hpfs: You really don't want any checks? You are crazy... hpfs: hpfs_map_sector(): read error hpfs: code page support is disabled ================================================================== BUG: KASAN: slab-out-of-bounds in strcmp+0x6f/0xc0 lib/string.c:283 Read of size 1 at addr ffff888000b2b8a6 by task syz.0.0/5347 CPU: 0 UID: 0 PID: 5347 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x240 mm/kasan/report.c:482 kasan_report+0x118/0x150 mm/kasan/report.c:595 strcmp+0x6f/0xc0 lib/string.c:283 hpfs_get_ea+0x114/0xdb0 fs/hpfs/ea.c:139 hpfs_read_inode+0x19d/0x1010 fs/hpfs/inode.c:63 hpfs_fill_super+0x129d/0x2040 fs/hpfs/super.c:651 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2a0 fs/super.c:1751 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3636 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3712 do_mount fs/namespace.c:4035 [inline] __do_sys_mount fs/namespace.c:4224 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4201 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f419bd90f6a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f419ccd6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f419ccd6ef0 RCX: 00007f419bd90f6a RDX: 000020000000a000 RSI: 0000200000009ec0 RDI: 00007f419ccd6eb0 RBP: 000020000000a000 R08: 00007f419ccd6ef0 R09: 0000000003200041 R10: 0000000003200041 R11: 0000000000000246 R12: 0000200000009ec0 R13: 00007f419ccd6eb0 R14: 0000000000009e27 R15: 00002000000000c0 Allocated by task 1: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 unpoison_slab_object mm/kasan/common.c:339 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:365 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5263 [inline] kmem_cache_alloc_noprof+0x37d/0x710 mm/slub.c:5270 acpi_ps_alloc_op+0xf5/0x2e0 drivers/acpi/acpica/psutils.c:-1 acpi_ps_create_op+0x446/0xc80 drivers/acpi/acpica/psobject.c:321 acpi_ps_parse_loop+0x6e5/0x2220 drivers/acpi/acpica/psloop.c:306 acpi_ps_parse_aml+0x3c3/0x10a0 drivers/acpi/acpica/psparse.c:475 acpi_ps_execute_method+0x88f/0xa60 drivers/acpi/acpica/psxface.c:190 acpi_ns_evaluate+0xc49/0x1230 drivers/acpi/acpica/nseval.c:205 acpi_evaluate_object+0x651/0xd40 drivers/acpi/acpica/nsxfeval.c:354 acpi_evaluate_dsm drivers/acpi/utils.c:797 [inline] acpi_check_dsm+0x174/0x680 drivers/acpi/utils.c:830 acpi_nfit_add_dimm drivers/acpi/nfit/core.c:1847 [inline] acpi_nfit_register_dimms drivers/acpi/nfit/core.c:2024 [inline] acpi_nfit_init+0x57c3/0x7180 drivers/acpi/nfit/core.c:3136 acpi_nfit_add+0x36c/0x570 drivers/acpi/nfit/core.c:3383 acpi_device_probe+0xa8/0x330 drivers/acpi/bus.c:1076 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __driver_attach+0x349/0x650 drivers/base/dd.c:1225 bus_for_each_dev+0x233/0x2b0 drivers/base/bus.c:383 bus_add_driver+0x345/0x670 drivers/base/bus.c:715 driver_register+0x23a/0x320 drivers/base/driver.c:249 nfit_init+0x161/0x190 drivers/acpi/nfit/core.c:3519 do_one_initcall+0x1f1/0x800 init/main.c:1378 do_initcall_level+0x104/0x190 init/main.c:1440 do_initcalls+0x59/0xa0 init/main.c:1456 kernel_init_freeable+0x2a7/0x3d0 init/main.c:1688 kernel_init+0x1d/0x1d0 init/main.c:1578 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Freed by task 1: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2540 [inline] slab_free mm/slub.c:6670 [inline] kmem_cache_free+0x197/0x620 mm/slub.c:6781 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1644 acpi_ps_delete_parse_tree+0x3f8/0x500 drivers/acpi/acpica/pswalk.c:88 acpi_ps_complete_this_op+0x799/0x8f0 drivers/acpi/acpica/psparse.c:277 acpi_ps_complete_op+0xb6/0xc20 drivers/acpi/acpica/psobject.c:451 acpi_ps_parse_loop+0x1040/0x2220 drivers/acpi/acpica/psloop.c:552 acpi_ps_parse_aml+0x3c3/0x10a0 drivers/acpi/acpica/psparse.c:475 acpi_ps_execute_method+0x88f/0xa60 drivers/acpi/acpica/psxface.c:190 acpi_ns_evaluate+0xc49/0x1230 drivers/acpi/acpica/nseval.c:205 acpi_evaluate_object+0x651/0xd40 drivers/acpi/acpica/nsxfeval.c:354 acpi_evaluate_dsm drivers/acpi/utils.c:797 [inline] acpi_check_dsm+0x174/0x680 drivers/acpi/utils.c:830 acpi_nfit_add_dimm drivers/acpi/nfit/core.c:1847 [inline] acpi_nfit_register_dimms drivers/acpi/nfit/core.c:2024 [inline] acpi_nfit_init+0x57c3/0x7180 drivers/acpi/nfit/core.c:3136 acpi_nfit_add+0x36c/0x570 drivers/acpi/nfit/core.c:3383 acpi_device_probe+0xa8/0x330 drivers/acpi/bus.c:1076 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0xad0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831 __driver_attach+0x349/0x650 drivers/base/dd.c:1225 bus_for_each_dev+0x233/0x2b0 drivers/base/bus.c:383 bus_add_driver+0x345/0x670 drivers/base/bus.c:715 driver_register+0x23a/0x320 drivers/base/driver.c:249 nfit_init+0x161/0x190 drivers/acpi/nfit/core.c:3519 do_one_initcall+0x1f1/0x800 init/main.c:1378 do_initcall_level+0x104/0x190 init/main.c:1440 do_initcalls+0x59/0xa0 init/main.c:1456 kernel_init_freeable+0x2a7/0x3d0 init/main.c:1688 kernel_init+0x1d/0x1d0 init/main.c:1578 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 The buggy address belongs to the object at ffff888000b2b850 which belongs to the cache Acpi-Parse of size 80 The buggy address is located 6 bytes to the right of allocated 80-byte region [ffff888000b2b850, ffff888000b2b8a0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000b2b7e0 pfn:0xb2b flags: 0x7ff00000000000(node=0|zone=0|lastcpupid=0x7ff) page_type: f5(slab) raw: 007ff00000000000 ffff88801a4c2b40 ffffea0000cac5c0 0000000000000002 raw: ffff888000b2b7e0 0000000000240000 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 14498819311, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846 prep_new_page mm/page_alloc.c:1854 [inline] get_page_from_freelist+0x24e0/0x2580 mm/page_alloc.c:3915 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486 alloc_slab_page mm/slub.c:3075 [inline] allocate_slab+0x86/0x3b0 mm/slub.c:3248 new_slab mm/slub.c:3302 [inline] ___slab_alloc+0xe53/0x1820 mm/slub.c:4656 __slab_alloc+0x65/0x100 mm/slub.c:4779 __slab_alloc_node mm/slub.c:4855 [inline] slab_alloc_node mm/slub.c:5251 [inline] kmem_cache_alloc_noprof+0x40f/0x710 mm/slub.c:5270 acpi_ps_alloc_op+0xf5/0x2e0 drivers/acpi/acpica/psutils.c:-1 acpi_ps_get_next_arg+0x1676/0x1f10 drivers/acpi/acpica/psargs.c:764 acpi_ps_get_arguments drivers/acpi/acpica/psloop.c:114 [inline] acpi_ps_parse_loop+0x94d/0x2220 drivers/acpi/acpica/psloop.c:401 acpi_ps_parse_aml+0x3c3/0x10a0 drivers/acpi/acpica/psparse.c:475 acpi_ps_execute_method+0x88f/0xa60 drivers/acpi/acpica/psxface.c:190 acpi_ns_evaluate+0xc49/0x1230 drivers/acpi/acpica/nseval.c:205 acpi_evaluate_object+0x651/0xd40 drivers/acpi/acpica/nsxfeval.c:354 acpi_evaluate_dsm drivers/acpi/utils.c:797 [inline] acpi_check_dsm+0x174/0x680 drivers/acpi/utils.c:830 page_owner free stack trace missing Memory state around the buggy address: ffff888000b2b780: fb fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb ffff888000b2b800: fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb >ffff888000b2b880: fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff888000b2b900: fb fb fc fc fc fc fa fb fb fb fb fb fb fb fb fb ffff888000b2b980: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fc fc ==================================================================