Date
July 18, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.640204] ================================================================== [ 16.640273] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2cc/0x2f8 [ 16.640363] Read of size 1 at addr fff00000c65b0000 by task kunit_try_catch/148 [ 16.640439] [ 16.640479] CPU: 1 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.640560] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.640585] Hardware name: linux,dummy-virt (DT) [ 16.640615] Call trace: [ 16.640639] show_stack+0x20/0x38 (C) [ 16.640689] dump_stack_lvl+0x8c/0xd0 [ 16.640974] print_report+0x118/0x5d0 [ 16.641123] kasan_report+0xdc/0x128 [ 16.641332] __asan_report_load1_noabort+0x20/0x30 [ 16.641440] kmalloc_large_uaf+0x2cc/0x2f8 [ 16.641534] kunit_try_run_case+0x170/0x3f0 [ 16.641630] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.641783] kthread+0x328/0x630 [ 16.642015] ret_from_fork+0x10/0x20 [ 16.642254] [ 16.642337] The buggy address belongs to the physical page: [ 16.642446] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b0 [ 16.642588] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.642727] raw: 0bfffe0000000000 fff00000da478c40 fff00000da478c40 0000000000000000 [ 16.642823] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 16.642940] page dumped because: kasan: bad access detected [ 16.642970] [ 16.642989] Memory state around the buggy address: [ 16.643363] fff00000c65aff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.643510] fff00000c65aff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.643554] >fff00000c65b0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.643590] ^ [ 16.643620] fff00000c65b0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.643661] fff00000c65b0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.643698] ==================================================================
[ 16.337293] ================================================================== [ 16.337827] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2cc/0x2f8 [ 16.338435] Read of size 1 at addr fff00000c669c000 by task kunit_try_catch/148 [ 16.338535] [ 16.338571] CPU: 1 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.338650] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.338675] Hardware name: linux,dummy-virt (DT) [ 16.338823] Call trace: [ 16.338850] show_stack+0x20/0x38 (C) [ 16.338992] dump_stack_lvl+0x8c/0xd0 [ 16.339069] print_report+0x118/0x5d0 [ 16.339229] kasan_report+0xdc/0x128 [ 16.339275] __asan_report_load1_noabort+0x20/0x30 [ 16.339342] kmalloc_large_uaf+0x2cc/0x2f8 [ 16.339412] kunit_try_run_case+0x170/0x3f0 [ 16.339458] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.339508] kthread+0x328/0x630 [ 16.339612] ret_from_fork+0x10/0x20 [ 16.339672] [ 16.339700] The buggy address belongs to the physical page: [ 16.340013] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10669c [ 16.340069] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.340131] raw: 0bfffe0000000000 fff00000da479c40 fff00000da479c40 0000000000000000 [ 16.340183] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 16.340222] page dumped because: kasan: bad access detected [ 16.340252] [ 16.340271] Memory state around the buggy address: [ 16.340538] fff00000c669bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.340854] fff00000c669bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.340897] >fff00000c669c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.340960] ^ [ 16.340988] fff00000c669c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.341029] fff00000c669c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.341065] ==================================================================
[ 16.375057] ================================================================== [ 16.375336] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2cc/0x2f8 [ 16.375645] Read of size 1 at addr fff00000c76d4000 by task kunit_try_catch/148 [ 16.375861] [ 16.375971] CPU: 0 UID: 0 PID: 148 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.376334] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.376600] Hardware name: linux,dummy-virt (DT) [ 16.376662] Call trace: [ 16.376881] show_stack+0x20/0x38 (C) [ 16.377095] dump_stack_lvl+0x8c/0xd0 [ 16.377154] print_report+0x118/0x5d0 [ 16.377253] kasan_report+0xdc/0x128 [ 16.377582] __asan_report_load1_noabort+0x20/0x30 [ 16.377974] kmalloc_large_uaf+0x2cc/0x2f8 [ 16.378344] kunit_try_run_case+0x170/0x3f0 [ 16.378581] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.378880] kthread+0x328/0x630 [ 16.379050] ret_from_fork+0x10/0x20 [ 16.379430] [ 16.379697] The buggy address belongs to the physical page: [ 16.379836] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076d4 [ 16.380480] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.380665] raw: 0bfffe0000000000 ffffc1ffc31db608 fff00000da457c40 0000000000000000 [ 16.380991] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 16.381148] page dumped because: kasan: bad access detected [ 16.381700] [ 16.381790] Memory state around the buggy address: [ 16.381827] fff00000c76d3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.382358] fff00000c76d3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.382430] >fff00000c76d4000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.382635] ^ [ 16.382970] fff00000c76d4080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.383018] fff00000c76d4100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.383056] ==================================================================
[ 11.507375] ================================================================== [ 11.508211] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2f1/0x340 [ 11.508534] Read of size 1 at addr ffff888102824000 by task kunit_try_catch/166 [ 11.508879] [ 11.508994] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 11.509037] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.509047] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.509067] Call Trace: [ 11.509079] <TASK> [ 11.509093] dump_stack_lvl+0x73/0xb0 [ 11.509121] print_report+0xd1/0x610 [ 11.509148] ? __virt_addr_valid+0x1db/0x2d0 [ 11.509169] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.509189] ? kasan_addr_to_slab+0x11/0xa0 [ 11.509208] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.509229] kasan_report+0x141/0x180 [ 11.509251] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.509277] __asan_report_load1_noabort+0x18/0x20 [ 11.509300] kmalloc_large_uaf+0x2f1/0x340 [ 11.509321] ? __pfx_kmalloc_large_uaf+0x10/0x10 [ 11.509343] ? __schedule+0x10cc/0x2b60 [ 11.509364] ? __pfx_read_tsc+0x10/0x10 [ 11.509384] ? ktime_get_ts64+0x86/0x230 [ 11.509407] kunit_try_run_case+0x1a5/0x480 [ 11.509431] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.509464] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.509538] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.509561] ? __kthread_parkme+0x82/0x180 [ 11.509581] ? preempt_count_sub+0x50/0x80 [ 11.509604] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.509628] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.509651] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.509674] kthread+0x337/0x6f0 [ 11.509692] ? trace_preempt_on+0x20/0xc0 [ 11.509714] ? __pfx_kthread+0x10/0x10 [ 11.509734] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.509755] ? calculate_sigpending+0x7b/0xa0 [ 11.509778] ? __pfx_kthread+0x10/0x10 [ 11.509799] ret_from_fork+0x116/0x1d0 [ 11.509816] ? __pfx_kthread+0x10/0x10 [ 11.509836] ret_from_fork_asm+0x1a/0x30 [ 11.509868] </TASK> [ 11.509877] [ 11.517239] The buggy address belongs to the physical page: [ 11.517547] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102824 [ 11.517908] flags: 0x200000000000000(node=0|zone=2) [ 11.518133] raw: 0200000000000000 ffffea00040a0a08 ffff888154839f80 0000000000000000 [ 11.518597] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 11.518840] page dumped because: kasan: bad access detected [ 11.519085] [ 11.519178] Memory state around the buggy address: [ 11.519399] ffff888102823f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.519733] ffff888102823f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.520040] >ffff888102824000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.520254] ^ [ 11.520416] ffff888102824080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.520847] ffff888102824100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.521166] ==================================================================
[ 11.627977] ================================================================== [ 11.628851] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2f1/0x340 [ 11.629517] Read of size 1 at addr ffff888102a00000 by task kunit_try_catch/165 [ 11.630259] [ 11.630445] CPU: 0 UID: 0 PID: 165 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 11.630495] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.630505] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.630528] Call Trace: [ 11.630542] <TASK> [ 11.630561] dump_stack_lvl+0x73/0xb0 [ 11.630594] print_report+0xd1/0x610 [ 11.630616] ? __virt_addr_valid+0x1db/0x2d0 [ 11.630641] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.630661] ? kasan_addr_to_slab+0x11/0xa0 [ 11.630681] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.630701] kasan_report+0x141/0x180 [ 11.630722] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.630748] __asan_report_load1_noabort+0x18/0x20 [ 11.630772] kmalloc_large_uaf+0x2f1/0x340 [ 11.630792] ? __pfx_kmalloc_large_uaf+0x10/0x10 [ 11.630813] ? __schedule+0x10cc/0x2b60 [ 11.630835] ? __pfx_read_tsc+0x10/0x10 [ 11.630856] ? ktime_get_ts64+0x86/0x230 [ 11.630880] kunit_try_run_case+0x1a5/0x480 [ 11.630905] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.630926] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.630950] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.630972] ? __kthread_parkme+0x82/0x180 [ 11.630993] ? preempt_count_sub+0x50/0x80 [ 11.631028] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.631051] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.631074] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.631097] kthread+0x337/0x6f0 [ 11.631116] ? trace_preempt_on+0x20/0xc0 [ 11.631180] ? __pfx_kthread+0x10/0x10 [ 11.631200] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.631221] ? calculate_sigpending+0x7b/0xa0 [ 11.631259] ? __pfx_kthread+0x10/0x10 [ 11.631282] ret_from_fork+0x116/0x1d0 [ 11.631300] ? __pfx_kthread+0x10/0x10 [ 11.631319] ret_from_fork_asm+0x1a/0x30 [ 11.631350] </TASK> [ 11.631360] [ 11.645942] The buggy address belongs to the physical page: [ 11.646213] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a00 [ 11.647084] flags: 0x200000000000000(node=0|zone=2) [ 11.647612] raw: 0200000000000000 ffffea00040a8108 ffff88815b039f80 0000000000000000 [ 11.648265] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 11.648710] page dumped because: kasan: bad access detected [ 11.648892] [ 11.648971] Memory state around the buggy address: [ 11.649442] ffff8881029fff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.650171] ffff8881029fff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.650875] >ffff888102a00000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.651525] ^ [ 11.651745] ffff888102a00080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.652591] ffff888102a00100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.653140] ==================================================================
[ 11.717262] ================================================================== [ 11.718012] BUG: KASAN: use-after-free in kmalloc_large_uaf+0x2f1/0x340 [ 11.718321] Read of size 1 at addr ffff8881039d8000 by task kunit_try_catch/165 [ 11.718734] [ 11.718850] CPU: 1 UID: 0 PID: 165 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 11.718907] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.718918] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.718939] Call Trace: [ 11.718951] <TASK> [ 11.718967] dump_stack_lvl+0x73/0xb0 [ 11.718998] print_report+0xd1/0x610 [ 11.719020] ? __virt_addr_valid+0x1db/0x2d0 [ 11.719043] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.719063] ? kasan_addr_to_slab+0x11/0xa0 [ 11.719083] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.719116] kasan_report+0x141/0x180 [ 11.719138] ? kmalloc_large_uaf+0x2f1/0x340 [ 11.719164] __asan_report_load1_noabort+0x18/0x20 [ 11.719188] kmalloc_large_uaf+0x2f1/0x340 [ 11.719209] ? __pfx_kmalloc_large_uaf+0x10/0x10 [ 11.719230] ? __schedule+0x10cc/0x2b60 [ 11.719252] ? __pfx_read_tsc+0x10/0x10 [ 11.719273] ? ktime_get_ts64+0x86/0x230 [ 11.719298] kunit_try_run_case+0x1a5/0x480 [ 11.719323] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.719344] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.719368] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.719391] ? __kthread_parkme+0x82/0x180 [ 11.719411] ? preempt_count_sub+0x50/0x80 [ 11.719435] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.719459] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.719482] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.719506] kthread+0x337/0x6f0 [ 11.719524] ? trace_preempt_on+0x20/0xc0 [ 11.719558] ? __pfx_kthread+0x10/0x10 [ 11.719578] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.719599] ? calculate_sigpending+0x7b/0xa0 [ 11.719623] ? __pfx_kthread+0x10/0x10 [ 11.719643] ret_from_fork+0x116/0x1d0 [ 11.719661] ? __pfx_kthread+0x10/0x10 [ 11.719681] ret_from_fork_asm+0x1a/0x30 [ 11.719713] </TASK> [ 11.719724] [ 11.727624] The buggy address belongs to the physical page: [ 11.727902] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039d8 [ 11.728168] flags: 0x200000000000000(node=0|zone=2) [ 11.728344] raw: 0200000000000000 ffffea00040e7708 ffff88815b139f80 0000000000000000 [ 11.729059] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 11.729401] page dumped because: kasan: bad access detected [ 11.729577] [ 11.729674] Memory state around the buggy address: [ 11.730129] ffff8881039d7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.730384] ffff8881039d7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.730886] >ffff8881039d8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.731190] ^ [ 11.731346] ffff8881039d8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.731684] ffff8881039d8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.731986] ==================================================================