Date
Nov. 20, 2024, 6:35 a.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 37.254926] ================================================================== [ 37.256002] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0 [ 37.256771] Free of addr fff00000c5a3bf20 by task kunit_try_catch/181 [ 37.257419] [ 37.257783] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 37.259279] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.260138] Hardware name: linux,dummy-virt (DT) [ 37.260735] Call trace: [ 37.261095] show_stack+0x20/0x38 (C) [ 37.261685] dump_stack_lvl+0x8c/0xd0 [ 37.262293] print_report+0x118/0x5e0 [ 37.262892] kasan_report_invalid_free+0xb0/0xd8 [ 37.263521] check_slab_allocation+0xd4/0x108 [ 37.264100] __kasan_slab_pre_free+0x2c/0x48 [ 37.264715] kfree+0xe8/0x3d0 [ 37.265181] kfree_sensitive+0x3c/0xb0 [ 37.265838] kmalloc_double_kzfree+0x168/0x308 [ 37.266549] kunit_try_run_case+0x14c/0x3d0 [ 37.267222] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.267901] kthread+0x24c/0x2d0 [ 37.268618] ret_from_fork+0x10/0x20 [ 37.269090] [ 37.269424] Allocated by task 181: [ 37.269951] kasan_save_stack+0x3c/0x68 [ 37.270460] kasan_save_track+0x20/0x40 [ 37.271037] kasan_save_alloc_info+0x40/0x58 [ 37.271586] __kasan_kmalloc+0xd4/0xd8 [ 37.272194] __kmalloc_cache_noprof+0x15c/0x3c8 [ 37.272909] kmalloc_double_kzfree+0xb8/0x308 [ 37.273540] kunit_try_run_case+0x14c/0x3d0 [ 37.274097] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.274812] kthread+0x24c/0x2d0 [ 37.275240] ret_from_fork+0x10/0x20 [ 37.275729] [ 37.276083] Freed by task 181: [ 37.276499] kasan_save_stack+0x3c/0x68 [ 37.277068] kasan_save_track+0x20/0x40 [ 37.277648] kasan_save_free_info+0x4c/0x78 [ 37.278160] __kasan_slab_free+0x6c/0x98 [ 37.278759] kfree+0x114/0x3d0 [ 37.279273] kfree_sensitive+0x80/0xb0 [ 37.279853] kmalloc_double_kzfree+0x11c/0x308 [ 37.280367] kunit_try_run_case+0x14c/0x3d0 [ 37.280997] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.281663] kthread+0x24c/0x2d0 [ 37.282122] ret_from_fork+0x10/0x20 [ 37.282694] [ 37.283065] The buggy address belongs to the object at fff00000c5a3bf20 [ 37.283065] which belongs to the cache kmalloc-16 of size 16 [ 37.284257] The buggy address is located 0 bytes inside of [ 37.284257] 16-byte region [fff00000c5a3bf20, fff00000c5a3bf30) [ 37.285302] [ 37.285665] The buggy address belongs to the physical page: [ 37.286358] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a3b [ 37.287212] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.287966] page_type: f5(slab) [ 37.288539] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 37.289324] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 37.290101] page dumped because: kasan: bad access detected [ 37.290814] [ 37.291150] Memory state around the buggy address: [ 37.291750] fff00000c5a3be00: fa fb fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 37.292537] fff00000c5a3be80: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc [ 37.293248] >fff00000c5a3bf00: fa fb fc fc fa fb fc fc fc fc fc fc fc fc fc fc [ 37.294089] ^ [ 37.294583] fff00000c5a3bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.295366] fff00000c5a3c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.296105] ==================================================================
[ 28.757043] ================================================================== [ 28.757833] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90 [ 28.758438] Free of addr ffff8881025fee80 by task kunit_try_catch/199 [ 28.759272] [ 28.759440] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 28.760444] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.760889] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.761604] Call Trace: [ 28.764357] <TASK> [ 28.765002] dump_stack_lvl+0x73/0xb0 [ 28.766365] print_report+0xd1/0x640 [ 28.767386] ? __virt_addr_valid+0x1db/0x2d0 [ 28.768888] ? kfree_sensitive+0x2e/0x90 [ 28.770191] ? kasan_complete_mode_report_info+0x64/0x200 [ 28.771534] ? kfree_sensitive+0x2e/0x90 [ 28.773654] kasan_report_invalid_free+0xc0/0xf0 [ 28.775135] ? kfree_sensitive+0x2e/0x90 [ 28.776308] ? kfree_sensitive+0x2e/0x90 [ 28.776960] check_slab_allocation+0x101/0x130 [ 28.777399] __kasan_slab_pre_free+0x28/0x40 [ 28.777921] kfree+0xf1/0x3f0 [ 28.778334] ? kfree_sensitive+0x2e/0x90 [ 28.778763] kfree_sensitive+0x2e/0x90 [ 28.779244] kmalloc_double_kzfree+0x19d/0x360 [ 28.779640] ? __pfx_kmalloc_double_kzfree+0x10/0x10 [ 28.780355] ? __schedule+0xc3e/0x2790 [ 28.780790] ? __pfx_read_tsc+0x10/0x10 [ 28.781318] ? ktime_get_ts64+0x84/0x230 [ 28.781880] kunit_try_run_case+0x1b3/0x490 [ 28.782708] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.783303] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.783857] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.784443] ? __kthread_parkme+0x82/0x160 [ 28.784937] ? preempt_count_sub+0x50/0x80 [ 28.785291] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.785869] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.786630] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.787398] kthread+0x257/0x310 [ 28.787777] ? __pfx_kthread+0x10/0x10 [ 28.788458] ret_from_fork+0x41/0x80 [ 28.788917] ? __pfx_kthread+0x10/0x10 [ 28.789448] ret_from_fork_asm+0x1a/0x30 [ 28.789899] </TASK> [ 28.790306] [ 28.790513] Allocated by task 199: [ 28.790968] kasan_save_stack+0x3d/0x60 [ 28.791276] kasan_save_track+0x18/0x40 [ 28.791898] kasan_save_alloc_info+0x3b/0x50 [ 28.792501] __kasan_kmalloc+0xb7/0xc0 [ 28.792820] __kmalloc_cache_noprof+0x184/0x410 [ 28.793344] kmalloc_double_kzfree+0xaa/0x360 [ 28.794263] kunit_try_run_case+0x1b3/0x490 [ 28.794714] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.795255] kthread+0x257/0x310 [ 28.795705] ret_from_fork+0x41/0x80 [ 28.796075] ret_from_fork_asm+0x1a/0x30 [ 28.796728] [ 28.796958] Freed by task 199: [ 28.797380] kasan_save_stack+0x3d/0x60 [ 28.797782] kasan_save_track+0x18/0x40 [ 28.798201] kasan_save_free_info+0x3f/0x60 [ 28.798523] __kasan_slab_free+0x56/0x70 [ 28.799021] kfree+0x123/0x3f0 [ 28.799806] kfree_sensitive+0x67/0x90 [ 28.800377] kmalloc_double_kzfree+0x12c/0x360 [ 28.800967] kunit_try_run_case+0x1b3/0x490 [ 28.802068] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.802603] kthread+0x257/0x310 [ 28.802977] ret_from_fork+0x41/0x80 [ 28.803468] ret_from_fork_asm+0x1a/0x30 [ 28.803907] [ 28.804406] The buggy address belongs to the object at ffff8881025fee80 [ 28.804406] which belongs to the cache kmalloc-16 of size 16 [ 28.805446] The buggy address is located 0 bytes inside of [ 28.805446] 16-byte region [ffff8881025fee80, ffff8881025fee90) [ 28.806512] [ 28.806803] The buggy address belongs to the physical page: [ 28.807270] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025fe [ 28.808220] flags: 0x200000000000000(node=0|zone=2) [ 28.808656] page_type: f5(slab) [ 28.809023] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 28.810016] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 28.810726] page dumped because: kasan: bad access detected [ 28.811410] [ 28.811640] Memory state around the buggy address: [ 28.812147] ffff8881025fed80: fa fb fc fc 00 05 fc fc fa fb fc fc fa fb fc fc [ 28.812806] ffff8881025fee00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 28.813372] >ffff8881025fee80: fa fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.814182] ^ [ 28.814494] ffff8881025fef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.815573] ffff8881025fef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.816480] ==================================================================