Date
Nov. 26, 2024, 6:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.341719] ================================================================== [ 34.342631] BUG: KASAN: slab-use-after-free in strchr+0xcc/0xd8 [ 34.343467] Read of size 1 at addr fff00000c58bc8d0 by task kunit_try_catch/248 [ 34.344492] [ 34.345523] CPU: 1 UID: 0 PID: 248 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 34.346740] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.347473] Hardware name: linux,dummy-virt (DT) [ 34.348048] Call trace: [ 34.348462] show_stack+0x20/0x38 (C) [ 34.349307] dump_stack_lvl+0x8c/0xd0 [ 34.350024] print_report+0x118/0x5e0 [ 34.350665] kasan_report+0xc8/0x118 [ 34.351480] __asan_report_load1_noabort+0x20/0x30 [ 34.352518] strchr+0xcc/0xd8 [ 34.352836] kasan_strings+0x180/0x8f8 [ 34.353359] kunit_try_run_case+0x14c/0x3d0 [ 34.354436] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.355429] kthread+0x24c/0x2d0 [ 34.355983] ret_from_fork+0x10/0x20 [ 34.356610] [ 34.357025] Allocated by task 248: [ 34.357746] kasan_save_stack+0x3c/0x68 [ 34.358304] kasan_save_track+0x20/0x40 [ 34.358829] kasan_save_alloc_info+0x40/0x58 [ 34.359402] __kasan_kmalloc+0xd4/0xd8 [ 34.359957] __kmalloc_cache_noprof+0x15c/0x3c8 [ 34.361197] kasan_strings+0xb4/0x8f8 [ 34.361800] kunit_try_run_case+0x14c/0x3d0 [ 34.362380] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.363310] kthread+0x24c/0x2d0 [ 34.363852] ret_from_fork+0x10/0x20 [ 34.364469] [ 34.365156] Freed by task 248: [ 34.365588] kasan_save_stack+0x3c/0x68 [ 34.366300] kasan_save_track+0x20/0x40 [ 34.366936] kasan_save_free_info+0x4c/0x78 [ 34.367588] __kasan_slab_free+0x6c/0x98 [ 34.368229] kfree+0x114/0x3d0 [ 34.368841] kasan_strings+0x128/0x8f8 [ 34.369873] kunit_try_run_case+0x14c/0x3d0 [ 34.370471] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.371240] kthread+0x24c/0x2d0 [ 34.371824] ret_from_fork+0x10/0x20 [ 34.372420] [ 34.373188] The buggy address belongs to the object at fff00000c58bc8c0 [ 34.373188] which belongs to the cache kmalloc-32 of size 32 [ 34.374500] The buggy address is located 16 bytes inside of [ 34.374500] freed 32-byte region [fff00000c58bc8c0, fff00000c58bc8e0) [ 34.375742] [ 34.376135] The buggy address belongs to the physical page: [ 34.377294] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058bc [ 34.378110] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.378961] page_type: f5(slab) [ 34.379482] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 34.380304] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 34.381430] page dumped because: kasan: bad access detected [ 34.382048] [ 34.382408] Memory state around the buggy address: [ 34.383068] fff00000c58bc780: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc [ 34.383989] fff00000c58bc800: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 34.385250] >fff00000c58bc880: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc [ 34.386035] ^ [ 34.386757] fff00000c58bc900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.387547] fff00000c58bc980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.388420] ==================================================================
[ 34.362515] ================================================================== [ 34.363588] BUG: KASAN: slab-use-after-free in strchr+0xcc/0xd8 [ 34.364359] Read of size 1 at addr fff00000c5ec1d10 by task kunit_try_catch/248 [ 34.365098] [ 34.365497] CPU: 0 UID: 0 PID: 248 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 34.366912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.367833] Hardware name: linux,dummy-virt (DT) [ 34.368453] Call trace: [ 34.368938] show_stack+0x20/0x38 (C) [ 34.369614] dump_stack_lvl+0x8c/0xd0 [ 34.370567] print_report+0x118/0x5e0 [ 34.371118] kasan_report+0xc8/0x118 [ 34.371755] __asan_report_load1_noabort+0x20/0x30 [ 34.372403] strchr+0xcc/0xd8 [ 34.373011] kasan_strings+0x180/0x8f8 [ 34.373653] kunit_try_run_case+0x14c/0x3d0 [ 34.374322] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.375271] kthread+0x24c/0x2d0 [ 34.375777] ret_from_fork+0x10/0x20 [ 34.376440] [ 34.376826] Allocated by task 248: [ 34.377398] kasan_save_stack+0x3c/0x68 [ 34.378261] kasan_save_track+0x20/0x40 [ 34.378853] kasan_save_alloc_info+0x40/0x58 [ 34.379589] __kasan_kmalloc+0xd4/0xd8 [ 34.380164] __kmalloc_cache_noprof+0x15c/0x3c8 [ 34.380833] kasan_strings+0xb4/0x8f8 [ 34.381322] kunit_try_run_case+0x14c/0x3d0 [ 34.382552] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.383230] kthread+0x24c/0x2d0 [ 34.383826] ret_from_fork+0x10/0x20 [ 34.384400] [ 34.384737] Freed by task 248: [ 34.385275] kasan_save_stack+0x3c/0x68 [ 34.386003] kasan_save_track+0x20/0x40 [ 34.386645] kasan_save_free_info+0x4c/0x78 [ 34.387052] __kasan_slab_free+0x6c/0x98 [ 34.387831] kfree+0x114/0x3d0 [ 34.388414] kasan_strings+0x128/0x8f8 [ 34.389080] kunit_try_run_case+0x14c/0x3d0 [ 34.390451] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.391282] kthread+0x24c/0x2d0 [ 34.391918] ret_from_fork+0x10/0x20 [ 34.392416] [ 34.392817] The buggy address belongs to the object at fff00000c5ec1d00 [ 34.392817] which belongs to the cache kmalloc-32 of size 32 [ 34.394589] The buggy address is located 16 bytes inside of [ 34.394589] freed 32-byte region [fff00000c5ec1d00, fff00000c5ec1d20) [ 34.395830] [ 34.396208] The buggy address belongs to the physical page: [ 34.396882] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ec1 [ 34.398005] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.398866] page_type: f5(slab) [ 34.399387] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 34.400398] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 34.401249] page dumped because: kasan: bad access detected [ 34.402224] [ 34.402611] Memory state around the buggy address: [ 34.403448] fff00000c5ec1c00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 34.404514] fff00000c5ec1c80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 34.405331] >fff00000c5ec1d00: fa fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [ 34.406362] ^ [ 34.406817] fff00000c5ec1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.407820] fff00000c5ec1e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.408765] ==================================================================
[ 28.519509] ================================================================== [ 28.520046] BUG: KASAN: slab-use-after-free in strchr+0x9c/0xc0 [ 28.520046] Read of size 1 at addr ffff88810294c410 by task kunit_try_catch/268 [ 28.520046] [ 28.520046] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 28.520046] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.520046] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.520046] Call Trace: [ 28.520046] <TASK> [ 28.520046] dump_stack_lvl+0x73/0xb0 [ 28.520046] print_report+0xd1/0x640 [ 28.520046] ? __virt_addr_valid+0x1db/0x2d0 [ 28.520046] ? kasan_complete_mode_report_info+0x64/0x200 [ 28.520046] kasan_report+0x102/0x140 [ 28.520046] ? strchr+0x9c/0xc0 [ 28.520046] ? strchr+0x9c/0xc0 [ 28.520046] __asan_report_load1_noabort+0x18/0x20 [ 28.520046] strchr+0x9c/0xc0 [ 28.520046] kasan_strings+0x1b1/0xb60 [ 28.520046] ? __pfx_kasan_strings+0x10/0x10 [ 28.520046] ? __schedule+0xc3e/0x2790 [ 28.520046] ? ktime_get_ts64+0x84/0x230 [ 28.520046] kunit_try_run_case+0x1b3/0x490 [ 28.520046] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.520046] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 28.520046] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.520046] ? __kthread_parkme+0x82/0x160 [ 28.520046] ? preempt_count_sub+0x50/0x80 [ 28.520046] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.520046] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.520046] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.520046] kthread+0x257/0x310 [ 28.520046] ? __pfx_kthread+0x10/0x10 [ 28.520046] ret_from_fork+0x41/0x80 [ 28.520046] ? __pfx_kthread+0x10/0x10 [ 28.520046] ret_from_fork_asm+0x1a/0x30 [ 28.520046] </TASK> [ 28.520046] [ 28.520046] Allocated by task 268: [ 28.520046] kasan_save_stack+0x3d/0x60 [ 28.520046] kasan_save_track+0x18/0x40 [ 28.520046] kasan_save_alloc_info+0x3b/0x50 [ 28.520046] __kasan_kmalloc+0xb7/0xc0 [ 28.520046] __kmalloc_cache_noprof+0x184/0x410 [ 28.520046] kasan_strings+0xb3/0xb60 [ 28.520046] kunit_try_run_case+0x1b3/0x490 [ 28.520046] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.520046] kthread+0x257/0x310 [ 28.520046] ret_from_fork+0x41/0x80 [ 28.520046] ret_from_fork_asm+0x1a/0x30 [ 28.520046] [ 28.520046] Freed by task 268: [ 28.520046] kasan_save_stack+0x3d/0x60 [ 28.520046] kasan_save_track+0x18/0x40 [ 28.520046] kasan_save_free_info+0x3f/0x60 [ 28.520046] __kasan_slab_free+0x56/0x70 [ 28.520046] kfree+0x123/0x3f0 [ 28.520046] kasan_strings+0x13a/0xb60 [ 28.520046] kunit_try_run_case+0x1b3/0x490 [ 28.520046] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.520046] kthread+0x257/0x310 [ 28.520046] ret_from_fork+0x41/0x80 [ 28.520046] ret_from_fork_asm+0x1a/0x30 [ 28.520046] [ 28.520046] The buggy address belongs to the object at ffff88810294c400 [ 28.520046] which belongs to the cache kmalloc-32 of size 32 [ 28.520046] The buggy address is located 16 bytes inside of [ 28.520046] freed 32-byte region [ffff88810294c400, ffff88810294c420) [ 28.520046] [ 28.520046] The buggy address belongs to the physical page: [ 28.520046] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10294c [ 28.520046] flags: 0x200000000000000(node=0|zone=2) [ 28.520046] page_type: f5(slab) [ 28.520046] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 28.520046] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 28.520046] page dumped because: kasan: bad access detected [ 28.520046] [ 28.520046] Memory state around the buggy address: [ 28.520046] ffff88810294c300: 00 00 07 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 28.520046] ffff88810294c380: 00 00 00 fc fc fc fc fc 00 00 07 fc fc fc fc fc [ 28.520046] >ffff88810294c400: fa fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [ 28.520046] ^ [ 28.520046] ffff88810294c480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.520046] ffff88810294c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.520046] ==================================================================
[ 23.425314] ================================================================== [ 23.426113] BUG: KASAN: slab-use-after-free in strchr+0x9c/0xc0 [ 23.426993] Read of size 1 at addr ffff8881028c9250 by task kunit_try_catch/266 [ 23.428160] [ 23.428368] CPU: 0 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241126 #1 [ 23.429342] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.430169] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.430947] Call Trace: [ 23.431321] <TASK> [ 23.431668] dump_stack_lvl+0x73/0xb0 [ 23.432538] print_report+0xd1/0x640 [ 23.433103] ? __virt_addr_valid+0x1db/0x2d0 [ 23.433720] ? kasan_complete_mode_report_info+0x64/0x200 [ 23.434177] kasan_report+0x102/0x140 [ 23.434809] ? strchr+0x9c/0xc0 [ 23.435232] ? strchr+0x9c/0xc0 [ 23.435538] __asan_report_load1_noabort+0x18/0x20 [ 23.436259] strchr+0x9c/0xc0 [ 23.436748] kasan_strings+0x1b1/0xb60 [ 23.437244] ? __pfx_kasan_strings+0x10/0x10 [ 23.437824] ? __schedule+0xc3e/0x2790 [ 23.438267] ? __pfx_read_tsc+0x10/0x10 [ 23.438831] ? ktime_get_ts64+0x84/0x230 [ 23.439126] kunit_try_run_case+0x1b3/0x490 [ 23.439794] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.440409] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.441069] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.441473] ? __kthread_parkme+0x82/0x160 [ 23.442108] ? preempt_count_sub+0x50/0x80 [ 23.442817] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.443229] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.443981] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.444345] kthread+0x257/0x310 [ 23.444756] ? __pfx_kthread+0x10/0x10 [ 23.445039] ret_from_fork+0x41/0x80 [ 23.445406] ? __pfx_kthread+0x10/0x10 [ 23.446032] ret_from_fork_asm+0x1a/0x30 [ 23.446650] </TASK> [ 23.446943] [ 23.447233] Allocated by task 266: [ 23.447617] kasan_save_stack+0x3d/0x60 [ 23.448095] kasan_save_track+0x18/0x40 [ 23.448647] kasan_save_alloc_info+0x3b/0x50 [ 23.449017] __kasan_kmalloc+0xb7/0xc0 [ 23.449538] __kmalloc_cache_noprof+0x184/0x410 [ 23.450002] kasan_strings+0xb3/0xb60 [ 23.450396] kunit_try_run_case+0x1b3/0x490 [ 23.450948] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.451481] kthread+0x257/0x310 [ 23.451991] ret_from_fork+0x41/0x80 [ 23.452379] ret_from_fork_asm+0x1a/0x30 [ 23.452916] [ 23.453224] Freed by task 266: [ 23.453552] kasan_save_stack+0x3d/0x60 [ 23.454224] kasan_save_track+0x18/0x40 [ 23.454629] kasan_save_free_info+0x3f/0x60 [ 23.455022] __kasan_slab_free+0x56/0x70 [ 23.455341] kfree+0x123/0x3f0 [ 23.456442] kasan_strings+0x13a/0xb60 [ 23.456741] kunit_try_run_case+0x1b3/0x490 [ 23.457017] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.457324] kthread+0x257/0x310 [ 23.457865] ret_from_fork+0x41/0x80 [ 23.458320] ret_from_fork_asm+0x1a/0x30 [ 23.458906] [ 23.459148] The buggy address belongs to the object at ffff8881028c9240 [ 23.459148] which belongs to the cache kmalloc-32 of size 32 [ 23.460393] The buggy address is located 16 bytes inside of [ 23.460393] freed 32-byte region [ffff8881028c9240, ffff8881028c9260) [ 23.461635] [ 23.461966] The buggy address belongs to the physical page: [ 23.462616] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028c9 [ 23.463367] flags: 0x200000000000000(node=0|zone=2) [ 23.464025] page_type: f5(slab) [ 23.464470] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 23.465162] raw: 0000000000000000 0000000080400040 00000001f5000000 0000000000000000 [ 23.465802] page dumped because: kasan: bad access detected [ 23.466358] [ 23.466658] Memory state around the buggy address: [ 23.467159] ffff8881028c9100: 00 00 00 fc fc fc fc fc 00 00 07 fc fc fc fc fc [ 23.467554] ffff8881028c9180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 23.468277] >ffff8881028c9200: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc [ 23.469022] ^ [ 23.469663] ffff8881028c9280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.470400] ffff8881028c9300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.470850] ==================================================================