Date
July 5, 2025, 11:09 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 18.484548] ================================================================== [ 18.484718] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 18.485186] Read of size 1 at addr fff00000c567281f by task kunit_try_catch/139 [ 18.485321] [ 18.485441] CPU: 0 UID: 0 PID: 139 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.485642] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.485806] Hardware name: linux,dummy-virt (DT) [ 18.485903] Call trace: [ 18.485946] show_stack+0x20/0x38 (C) [ 18.486113] dump_stack_lvl+0x8c/0xd0 [ 18.486493] print_report+0x118/0x608 [ 18.486702] kasan_report+0xdc/0x128 [ 18.486822] __asan_report_load1_noabort+0x20/0x30 [ 18.486947] kmalloc_oob_left+0x2ec/0x320 [ 18.487032] kunit_try_run_case+0x170/0x3f0 [ 18.487350] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.487574] kthread+0x328/0x630 [ 18.487760] ret_from_fork+0x10/0x20 [ 18.487878] [ 18.488052] Allocated by task 26: [ 18.488271] kasan_save_stack+0x3c/0x68 [ 18.488488] kasan_save_track+0x20/0x40 [ 18.488616] kasan_save_alloc_info+0x40/0x58 [ 18.488873] __kasan_kmalloc+0xd4/0xd8 [ 18.489101] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 18.489322] kstrdup+0x54/0xc8 [ 18.489506] devtmpfs_work_loop+0x6f8/0xa58 [ 18.489817] devtmpfsd+0x50/0x58 [ 18.489957] kthread+0x328/0x630 [ 18.490079] ret_from_fork+0x10/0x20 [ 18.490156] [ 18.490226] Freed by task 26: [ 18.490313] kasan_save_stack+0x3c/0x68 [ 18.490423] kasan_save_track+0x20/0x40 [ 18.490680] kasan_save_free_info+0x4c/0x78 [ 18.490904] __kasan_slab_free+0x6c/0x98 [ 18.491078] kfree+0x214/0x3c8 [ 18.491148] devtmpfs_work_loop+0x804/0xa58 [ 18.491622] devtmpfsd+0x50/0x58 [ 18.491764] kthread+0x328/0x630 [ 18.491846] ret_from_fork+0x10/0x20 [ 18.491949] [ 18.491996] The buggy address belongs to the object at fff00000c5672800 [ 18.491996] which belongs to the cache kmalloc-16 of size 16 [ 18.492126] The buggy address is located 15 bytes to the right of [ 18.492126] allocated 16-byte region [fff00000c5672800, fff00000c5672810) [ 18.492316] [ 18.492395] The buggy address belongs to the physical page: [ 18.492477] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105672 [ 18.492583] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.492721] page_type: f5(slab) [ 18.492832] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 18.492977] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 18.493066] page dumped because: kasan: bad access detected [ 18.493134] [ 18.493180] Memory state around the buggy address: [ 18.493270] fff00000c5672700: 00 05 fc fc fa fb fc fc 00 05 fc fc fa fb fc fc [ 18.493396] fff00000c5672780: 00 03 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 18.493472] >fff00000c5672800: fa fb fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 18.493549] ^ [ 18.493857] fff00000c5672880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.494256] fff00000c5672900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.494365] ==================================================================
[ 12.773350] ================================================================== [ 12.774630] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 12.775373] Read of size 1 at addr ffff8881018867ff by task kunit_try_catch/155 [ 12.776219] [ 12.776526] CPU: 1 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.776585] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.776600] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.776625] Call Trace: [ 12.776642] <TASK> [ 12.776678] dump_stack_lvl+0x73/0xb0 [ 12.776715] print_report+0xd1/0x650 [ 12.776741] ? __virt_addr_valid+0x1db/0x2d0 [ 12.776778] ? kmalloc_oob_left+0x361/0x3c0 [ 12.776803] ? kasan_complete_mode_report_info+0x64/0x200 [ 12.776830] ? kmalloc_oob_left+0x361/0x3c0 [ 12.776855] kasan_report+0x141/0x180 [ 12.776923] ? kmalloc_oob_left+0x361/0x3c0 [ 12.776956] __asan_report_load1_noabort+0x18/0x20 [ 12.776998] kmalloc_oob_left+0x361/0x3c0 [ 12.777023] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 12.777049] ? __schedule+0x10cc/0x2b60 [ 12.777075] ? __pfx_read_tsc+0x10/0x10 [ 12.777101] ? ktime_get_ts64+0x86/0x230 [ 12.777131] kunit_try_run_case+0x1a5/0x480 [ 12.777160] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.777189] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.777219] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.777247] ? __kthread_parkme+0x82/0x180 [ 12.777272] ? preempt_count_sub+0x50/0x80 [ 12.777300] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.777328] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.777355] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.777382] kthread+0x337/0x6f0 [ 12.777405] ? trace_preempt_on+0x20/0xc0 [ 12.777434] ? __pfx_kthread+0x10/0x10 [ 12.777458] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.777483] ? calculate_sigpending+0x7b/0xa0 [ 12.777511] ? __pfx_kthread+0x10/0x10 [ 12.777536] ret_from_fork+0x116/0x1d0 [ 12.777558] ? __pfx_kthread+0x10/0x10 [ 12.777581] ret_from_fork_asm+0x1a/0x30 [ 12.777619] </TASK> [ 12.777633] [ 12.788830] Allocated by task 35: [ 12.789058] kasan_save_stack+0x45/0x70 [ 12.789302] kasan_save_track+0x18/0x40 [ 12.789500] kasan_save_alloc_info+0x3b/0x50 [ 12.790183] __kasan_kmalloc+0xb7/0xc0 [ 12.790599] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 12.791088] kvasprintf+0xc5/0x150 [ 12.791315] kasprintf+0xb6/0xf0 [ 12.791592] bsg_devnode+0x46/0x80 [ 12.791888] device_get_devnode+0x145/0x2a0 [ 12.792243] dev_uevent+0x41c/0x730 [ 12.792404] kobject_uevent_env+0x50d/0xff0 [ 12.792634] kobject_uevent+0xf/0x20 [ 12.793102] device_add+0xe4c/0x1820 [ 12.793748] cdev_device_add+0xab/0x1c0 [ 12.794278] bsg_register_queue+0x25e/0x3d0 [ 12.794543] scsi_bsg_register_queue+0x71/0xd0 [ 12.794891] scsi_sysfs_add_sdev+0x228/0x460 [ 12.795095] scsi_add_lun+0x125a/0x2080 [ 12.795328] scsi_probe_and_add_lun+0x2c8/0x700 [ 12.795597] __scsi_add_device+0x1d9/0x210 [ 12.795976] ata_scsi_scan_host+0x13d/0x3d0 [ 12.796164] async_port_probe+0xb0/0xe0 [ 12.796360] async_run_entry_fn+0x9c/0x430 [ 12.796603] process_one_work+0x5ee/0xf60 [ 12.797215] worker_thread+0x758/0x1220 [ 12.797453] kthread+0x337/0x6f0 [ 12.797603] ret_from_fork+0x116/0x1d0 [ 12.798000] ret_from_fork_asm+0x1a/0x30 [ 12.798375] [ 12.798530] Freed by task 35: [ 12.798736] kasan_save_stack+0x45/0x70 [ 12.799045] kasan_save_track+0x18/0x40 [ 12.799682] kasan_save_free_info+0x3f/0x60 [ 12.800153] __kasan_slab_free+0x56/0x70 [ 12.800476] kfree+0x222/0x3f0 [ 12.800696] dev_uevent+0x466/0x730 [ 12.801126] kobject_uevent_env+0x50d/0xff0 [ 12.801400] kobject_uevent+0xf/0x20 [ 12.801567] device_add+0xe4c/0x1820 [ 12.801798] cdev_device_add+0xab/0x1c0 [ 12.802263] bsg_register_queue+0x25e/0x3d0 [ 12.802501] scsi_bsg_register_queue+0x71/0xd0 [ 12.802785] scsi_sysfs_add_sdev+0x228/0x460 [ 12.803475] scsi_add_lun+0x125a/0x2080 [ 12.803682] scsi_probe_and_add_lun+0x2c8/0x700 [ 12.804297] __scsi_add_device+0x1d9/0x210 [ 12.804527] ata_scsi_scan_host+0x13d/0x3d0 [ 12.804863] async_port_probe+0xb0/0xe0 [ 12.805155] async_run_entry_fn+0x9c/0x430 [ 12.805497] process_one_work+0x5ee/0xf60 [ 12.805737] worker_thread+0x758/0x1220 [ 12.806063] kthread+0x337/0x6f0 [ 12.806394] ret_from_fork+0x116/0x1d0 [ 12.806761] ret_from_fork_asm+0x1a/0x30 [ 12.807105] [ 12.807277] The buggy address belongs to the object at ffff8881018867e0 [ 12.807277] which belongs to the cache kmalloc-16 of size 16 [ 12.808346] The buggy address is located 15 bytes to the right of [ 12.808346] allocated 16-byte region [ffff8881018867e0, ffff8881018867f0) [ 12.809322] [ 12.809516] The buggy address belongs to the physical page: [ 12.809908] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101886 [ 12.810877] flags: 0x200000000000000(node=0|zone=2) [ 12.811168] page_type: f5(slab) [ 12.811357] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.811996] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 12.812380] page dumped because: kasan: bad access detected [ 12.812681] [ 12.813143] Memory state around the buggy address: [ 12.813428] ffff888101886680: 00 00 fc fc 00 04 fc fc 00 04 fc fc 00 00 fc fc [ 12.813906] ffff888101886700: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 12.814269] >ffff888101886780: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 12.814615] ^ [ 12.815316] ffff888101886800: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.815978] ffff888101886880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.816565] ==================================================================