Date
Dec. 3, 2024, 11:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.674275] ================================================================== [ 31.674984] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 31.676560] Free of addr fff00000c5905000 by task kunit_try_catch/198 [ 31.677430] [ 31.677799] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 31.679592] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.680190] Hardware name: linux,dummy-virt (DT) [ 31.681321] Call trace: [ 31.681954] show_stack+0x20/0x38 (C) [ 31.682642] dump_stack_lvl+0x8c/0xd0 [ 31.683432] print_report+0x118/0x5e0 [ 31.684159] kasan_report_invalid_free+0xb0/0xd8 [ 31.685011] check_slab_allocation+0xd4/0x108 [ 31.685371] __kasan_slab_pre_free+0x2c/0x48 [ 31.686049] kmem_cache_free+0xf0/0x470 [ 31.686862] kmem_cache_double_free+0x190/0x3c8 [ 31.687617] kunit_try_run_case+0x14c/0x3d0 [ 31.688180] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.689108] kthread+0x24c/0x2d0 [ 31.689661] ret_from_fork+0x10/0x20 [ 31.690225] [ 31.690584] Allocated by task 198: [ 31.691005] kasan_save_stack+0x3c/0x68 [ 31.691590] kasan_save_track+0x20/0x40 [ 31.692162] kasan_save_alloc_info+0x40/0x58 [ 31.693201] __kasan_slab_alloc+0xa8/0xb0 [ 31.693769] kmem_cache_alloc_noprof+0x108/0x398 [ 31.694497] kmem_cache_double_free+0x12c/0x3c8 [ 31.695031] kunit_try_run_case+0x14c/0x3d0 [ 31.696146] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.697309] kthread+0x24c/0x2d0 [ 31.698219] ret_from_fork+0x10/0x20 [ 31.698887] [ 31.699713] Freed by task 198: [ 31.700442] kasan_save_stack+0x3c/0x68 [ 31.701172] kasan_save_track+0x20/0x40 [ 31.701803] kasan_save_free_info+0x4c/0x78 [ 31.702496] __kasan_slab_free+0x6c/0x98 [ 31.703487] kmem_cache_free+0x118/0x470 [ 31.704425] kmem_cache_double_free+0x140/0x3c8 [ 31.705162] kunit_try_run_case+0x14c/0x3d0 [ 31.705913] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.706707] kthread+0x24c/0x2d0 [ 31.707289] ret_from_fork+0x10/0x20 [ 31.707905] [ 31.708202] The buggy address belongs to the object at fff00000c5905000 [ 31.708202] which belongs to the cache test_cache of size 200 [ 31.709980] The buggy address is located 0 bytes inside of [ 31.709980] 200-byte region [fff00000c5905000, fff00000c59050c8) [ 31.711838] [ 31.712183] The buggy address belongs to the physical page: [ 31.713058] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105905 [ 31.714114] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.715407] page_type: f5(slab) [ 31.716027] raw: 0bfffe0000000000 fff00000c5907000 dead000000000122 0000000000000000 [ 31.717293] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.718645] page dumped because: kasan: bad access detected [ 31.719884] [ 31.720286] Memory state around the buggy address: [ 31.721467] fff00000c5904f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.722649] fff00000c5904f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.723088] >fff00000c5905000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.724124] ^ [ 31.724583] fff00000c5905080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 31.725596] fff00000c5905100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.726596] ==================================================================
[ 27.109326] ================================================================== [ 27.110447] BUG: KASAN: double-free in kmem_cache_double_free+0x1e6/0x490 [ 27.112243] Free of addr ffff88810298d000 by task kunit_try_catch/218 [ 27.112735] [ 27.112919] CPU: 0 UID: 0 PID: 218 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241203 #1 [ 27.114289] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.114605] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.115782] Call Trace: [ 27.116248] <TASK> [ 27.116441] dump_stack_lvl+0x73/0xb0 [ 27.117473] print_report+0xd1/0x640 [ 27.117952] ? __virt_addr_valid+0x1db/0x2d0 [ 27.118732] ? kmem_cache_double_free+0x1e6/0x490 [ 27.119233] ? kasan_complete_mode_report_info+0x64/0x200 [ 27.120000] ? kmem_cache_double_free+0x1e6/0x490 [ 27.120843] kasan_report_invalid_free+0xc0/0xf0 [ 27.121303] ? kmem_cache_double_free+0x1e6/0x490 [ 27.122102] ? kmem_cache_double_free+0x1e6/0x490 [ 27.122683] check_slab_allocation+0x101/0x130 [ 27.123353] __kasan_slab_pre_free+0x28/0x40 [ 27.123879] kmem_cache_free+0xee/0x420 [ 27.124220] ? kmem_cache_alloc_noprof+0x11e/0x3e0 [ 27.124747] ? kmem_cache_double_free+0x1e6/0x490 [ 27.125046] kmem_cache_double_free+0x1e6/0x490 [ 27.126164] ? __pfx_kmem_cache_double_free+0x10/0x10 [ 27.126939] ? finish_task_switch.isra.0+0x153/0x700 [ 27.127364] ? __switch_to+0x5d9/0xf60 [ 27.128532] ? __pfx_read_tsc+0x10/0x10 [ 27.129121] ? ktime_get_ts64+0x86/0x230 [ 27.129409] kunit_try_run_case+0x1b3/0x490 [ 27.130050] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.130829] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 27.131583] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.132177] ? __kthread_parkme+0x82/0x160 [ 27.133127] ? preempt_count_sub+0x50/0x80 [ 27.133500] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.134344] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.135562] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.136025] kthread+0x257/0x310 [ 27.136431] ? __pfx_kthread+0x10/0x10 [ 27.136810] ret_from_fork+0x41/0x80 [ 27.137330] ? __pfx_kthread+0x10/0x10 [ 27.137732] ret_from_fork_asm+0x1a/0x30 [ 27.138220] </TASK> [ 27.139126] [ 27.139420] Allocated by task 218: [ 27.140039] kasan_save_stack+0x3d/0x60 [ 27.140976] kasan_save_track+0x18/0x40 [ 27.141378] kasan_save_alloc_info+0x3b/0x50 [ 27.141779] __kasan_slab_alloc+0x91/0xa0 [ 27.142345] kmem_cache_alloc_noprof+0x11e/0x3e0 [ 27.142630] kmem_cache_double_free+0x150/0x490 [ 27.143359] kunit_try_run_case+0x1b3/0x490 [ 27.143856] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.144798] kthread+0x257/0x310 [ 27.145215] ret_from_fork+0x41/0x80 [ 27.145740] ret_from_fork_asm+0x1a/0x30 [ 27.146104] [ 27.146296] Freed by task 218: [ 27.146583] kasan_save_stack+0x3d/0x60 [ 27.146843] kasan_save_track+0x18/0x40 [ 27.147247] kasan_save_free_info+0x3f/0x60 [ 27.148122] __kasan_slab_free+0x56/0x70 [ 27.148682] kmem_cache_free+0x120/0x420 [ 27.148932] kmem_cache_double_free+0x16b/0x490 [ 27.150394] kunit_try_run_case+0x1b3/0x490 [ 27.151021] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.152380] kthread+0x257/0x310 [ 27.152697] ret_from_fork+0x41/0x80 [ 27.152941] ret_from_fork_asm+0x1a/0x30 [ 27.154092] [ 27.154246] The buggy address belongs to the object at ffff88810298d000 [ 27.154246] which belongs to the cache test_cache of size 200 [ 27.154982] The buggy address is located 0 bytes inside of [ 27.154982] 200-byte region [ffff88810298d000, ffff88810298d0c8) [ 27.156181] [ 27.157385] The buggy address belongs to the physical page: [ 27.157862] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10298d [ 27.158891] flags: 0x200000000000000(node=0|zone=2) [ 27.159187] page_type: f5(slab) [ 27.160333] raw: 0200000000000000 ffff88810155cc80 dead000000000122 0000000000000000 [ 27.161028] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 27.161656] page dumped because: kasan: bad access detected [ 27.162098] [ 27.162293] Memory state around the buggy address: [ 27.162784] ffff88810298cf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.163423] ffff88810298cf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.164019] >ffff88810298d000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.164534] ^ [ 27.164749] ffff88810298d080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 27.165632] ffff88810298d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.166869] ==================================================================