Date
June 20, 2025, 12:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.633461] ================================================================== [ 31.633658] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x60c/0x678 [ 31.633832] Write of size 1 at addr fff00000c60720eb by task kunit_try_catch/171 [ 31.633997] [ 31.634094] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 31.634366] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.634438] Hardware name: linux,dummy-virt (DT) [ 31.634518] Call trace: [ 31.634815] show_stack+0x20/0x38 (C) [ 31.634955] dump_stack_lvl+0x8c/0xd0 [ 31.635069] print_report+0x118/0x608 [ 31.635130] kasan_report+0xdc/0x128 [ 31.635181] __asan_report_store1_noabort+0x20/0x30 [ 31.635274] krealloc_more_oob_helper+0x60c/0x678 [ 31.635336] krealloc_large_more_oob+0x20/0x38 [ 31.635389] kunit_try_run_case+0x170/0x3f0 [ 31.635467] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.635528] kthread+0x328/0x630 [ 31.635575] ret_from_fork+0x10/0x20 [ 31.635655] [ 31.635686] The buggy address belongs to the physical page: [ 31.635725] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106070 [ 31.635789] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 31.635843] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 31.635911] page_type: f8(unknown) [ 31.635964] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.636021] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.636077] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.636130] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.636184] head: 0bfffe0000000002 ffffc1ffc3181c01 00000000ffffffff 00000000ffffffff [ 31.636238] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 31.636283] page dumped because: kasan: bad access detected [ 31.636417] [ 31.636491] Memory state around the buggy address: [ 31.636677] fff00000c6071f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.636897] fff00000c6072000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.637124] >fff00000c6072080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 31.637861] ^ [ 31.637999] fff00000c6072100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.638116] fff00000c6072180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.638216] ================================================================== [ 31.488270] ================================================================== [ 31.488522] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x5c0/0x678 [ 31.488664] Write of size 1 at addr fff00000c4496cf0 by task kunit_try_catch/167 [ 31.488771] [ 31.488852] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 31.489327] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.489695] Hardware name: linux,dummy-virt (DT) [ 31.489802] Call trace: [ 31.489928] show_stack+0x20/0x38 (C) [ 31.490082] dump_stack_lvl+0x8c/0xd0 [ 31.490254] print_report+0x118/0x608 [ 31.490364] kasan_report+0xdc/0x128 [ 31.490898] __asan_report_store1_noabort+0x20/0x30 [ 31.491100] krealloc_more_oob_helper+0x5c0/0x678 [ 31.491311] krealloc_more_oob+0x20/0x38 [ 31.491488] kunit_try_run_case+0x170/0x3f0 [ 31.491696] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.491835] kthread+0x328/0x630 [ 31.491937] ret_from_fork+0x10/0x20 [ 31.492064] [ 31.492112] Allocated by task 167: [ 31.492183] kasan_save_stack+0x3c/0x68 [ 31.492564] kasan_save_track+0x20/0x40 [ 31.492796] kasan_save_alloc_info+0x40/0x58 [ 31.492974] __kasan_krealloc+0x118/0x178 [ 31.493138] krealloc_noprof+0x128/0x360 [ 31.493415] krealloc_more_oob_helper+0x168/0x678 [ 31.493505] krealloc_more_oob+0x20/0x38 [ 31.493585] kunit_try_run_case+0x170/0x3f0 [ 31.493852] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.494076] kthread+0x328/0x630 [ 31.494178] ret_from_fork+0x10/0x20 [ 31.494350] [ 31.494416] The buggy address belongs to the object at fff00000c4496c00 [ 31.494416] which belongs to the cache kmalloc-256 of size 256 [ 31.494639] The buggy address is located 5 bytes to the right of [ 31.494639] allocated 235-byte region [fff00000c4496c00, fff00000c4496ceb) [ 31.494895] [ 31.495302] The buggy address belongs to the physical page: [ 31.495525] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104496 [ 31.495707] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 31.495914] anon flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 31.496140] page_type: f5(slab) [ 31.496320] raw: 0bfffe0000000040 fff00000c0001b40 0000000000000000 dead000000000001 [ 31.496461] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.496567] head: 0bfffe0000000040 fff00000c0001b40 0000000000000000 dead000000000001 [ 31.496672] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.496768] head: 0bfffe0000000001 ffffc1ffc3112581 00000000ffffffff 00000000ffffffff [ 31.496876] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 31.496979] page dumped because: kasan: bad access detected [ 31.497341] [ 31.497404] Memory state around the buggy address: [ 31.497561] fff00000c4496b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.497754] fff00000c4496c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.498121] >fff00000c4496c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 31.498383] ^ [ 31.498499] fff00000c4496d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.498821] fff00000c4496d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.498912] ================================================================== [ 31.473754] ================================================================== [ 31.473960] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x60c/0x678 [ 31.474108] Write of size 1 at addr fff00000c4496ceb by task kunit_try_catch/167 [ 31.474218] [ 31.474303] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 31.474538] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.474630] Hardware name: linux,dummy-virt (DT) [ 31.474713] Call trace: [ 31.474966] show_stack+0x20/0x38 (C) [ 31.475127] dump_stack_lvl+0x8c/0xd0 [ 31.475245] print_report+0x118/0x608 [ 31.475351] kasan_report+0xdc/0x128 [ 31.475637] __asan_report_store1_noabort+0x20/0x30 [ 31.475772] krealloc_more_oob_helper+0x60c/0x678 [ 31.475896] krealloc_more_oob+0x20/0x38 [ 31.476009] kunit_try_run_case+0x170/0x3f0 [ 31.476128] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.476253] kthread+0x328/0x630 [ 31.476345] ret_from_fork+0x10/0x20 [ 31.476460] [ 31.476898] Allocated by task 167: [ 31.476996] kasan_save_stack+0x3c/0x68 [ 31.477107] kasan_save_track+0x20/0x40 [ 31.477277] kasan_save_alloc_info+0x40/0x58 [ 31.477400] __kasan_krealloc+0x118/0x178 [ 31.477501] krealloc_noprof+0x128/0x360 [ 31.477817] krealloc_more_oob_helper+0x168/0x678 [ 31.478146] krealloc_more_oob+0x20/0x38 [ 31.478286] kunit_try_run_case+0x170/0x3f0 [ 31.478431] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.478976] kthread+0x328/0x630 [ 31.479092] ret_from_fork+0x10/0x20 [ 31.479244] [ 31.479307] The buggy address belongs to the object at fff00000c4496c00 [ 31.479307] which belongs to the cache kmalloc-256 of size 256 [ 31.479537] The buggy address is located 0 bytes to the right of [ 31.479537] allocated 235-byte region [fff00000c4496c00, fff00000c4496ceb) [ 31.479966] [ 31.480405] The buggy address belongs to the physical page: [ 31.480509] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104496 [ 31.481036] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 31.481173] anon flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 31.481553] page_type: f5(slab) [ 31.481967] raw: 0bfffe0000000040 fff00000c0001b40 0000000000000000 dead000000000001 [ 31.482256] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.482450] head: 0bfffe0000000040 fff00000c0001b40 0000000000000000 dead000000000001 [ 31.482781] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.483141] head: 0bfffe0000000001 ffffc1ffc3112581 00000000ffffffff 00000000ffffffff [ 31.483334] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 31.483566] page dumped because: kasan: bad access detected [ 31.483678] [ 31.483727] Memory state around the buggy address: [ 31.483808] fff00000c4496b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.483923] fff00000c4496c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.484035] >fff00000c4496c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 31.484134] ^ [ 31.484768] fff00000c4496d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.484999] fff00000c4496d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.485119] ================================================================== [ 31.639198] ================================================================== [ 31.639983] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x5c0/0x678 [ 31.640453] Write of size 1 at addr fff00000c60720f0 by task kunit_try_catch/171 [ 31.640558] [ 31.640646] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 31.642059] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.642143] Hardware name: linux,dummy-virt (DT) [ 31.642224] Call trace: [ 31.642281] show_stack+0x20/0x38 (C) [ 31.642412] dump_stack_lvl+0x8c/0xd0 [ 31.644197] print_report+0x118/0x608 [ 31.645359] kasan_report+0xdc/0x128 [ 31.645601] __asan_report_store1_noabort+0x20/0x30 [ 31.646129] krealloc_more_oob_helper+0x5c0/0x678 [ 31.646468] krealloc_large_more_oob+0x20/0x38 [ 31.647208] kunit_try_run_case+0x170/0x3f0 [ 31.647621] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.648349] kthread+0x328/0x630 [ 31.649080] ret_from_fork+0x10/0x20 [ 31.649360] [ 31.649415] The buggy address belongs to the physical page: [ 31.649877] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106070 [ 31.650359] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 31.650765] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 31.650915] page_type: f8(unknown) [ 31.651023] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.652400] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.653025] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.653728] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.653893] head: 0bfffe0000000002 ffffc1ffc3181c01 00000000ffffffff 00000000ffffffff [ 31.654560] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 31.654844] page dumped because: kasan: bad access detected [ 31.654925] [ 31.655640] Memory state around the buggy address: [ 31.655961] fff00000c6071f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.656411] fff00000c6072000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.656886] >fff00000c6072080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 31.657178] ^ [ 31.657397] fff00000c6072100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.657638] fff00000c6072180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.658174] ==================================================================
[ 24.970393] ================================================================== [ 24.971493] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x821/0x930 [ 24.971899] Write of size 1 at addr ffff888100a1bceb by task kunit_try_catch/185 [ 24.972667] [ 24.973346] CPU: 1 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 24.973482] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.973511] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.973555] Call Trace: [ 24.973582] <TASK> [ 24.973617] dump_stack_lvl+0x73/0xb0 [ 24.973687] print_report+0xd1/0x650 [ 24.973730] ? __virt_addr_valid+0x1db/0x2d0 [ 24.973771] ? krealloc_more_oob_helper+0x821/0x930 [ 24.973809] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.973855] ? krealloc_more_oob_helper+0x821/0x930 [ 24.973895] kasan_report+0x141/0x180 [ 24.973931] ? krealloc_more_oob_helper+0x821/0x930 [ 24.973974] __asan_report_store1_noabort+0x1b/0x30 [ 24.974013] krealloc_more_oob_helper+0x821/0x930 [ 24.974065] ? __schedule+0x10cc/0x2b60 [ 24.974112] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 24.974156] ? finish_task_switch.isra.0+0x153/0x700 [ 24.974195] ? __switch_to+0x47/0xf50 [ 24.974225] ? __schedule+0x10cc/0x2b60 [ 24.974248] ? __pfx_read_tsc+0x10/0x10 [ 24.974275] krealloc_more_oob+0x1c/0x30 [ 24.974297] kunit_try_run_case+0x1a5/0x480 [ 24.974323] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.974346] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.974369] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.974392] ? __kthread_parkme+0x82/0x180 [ 24.974414] ? preempt_count_sub+0x50/0x80 [ 24.974438] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.974489] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.974514] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.974537] kthread+0x337/0x6f0 [ 24.974570] ? trace_preempt_on+0x20/0xc0 [ 24.974609] ? __pfx_kthread+0x10/0x10 [ 24.974644] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.974673] ? calculate_sigpending+0x7b/0xa0 [ 24.974698] ? __pfx_kthread+0x10/0x10 [ 24.974720] ret_from_fork+0x116/0x1d0 [ 24.974740] ? __pfx_kthread+0x10/0x10 [ 24.974762] ret_from_fork_asm+0x1a/0x30 [ 24.974794] </TASK> [ 24.974807] [ 24.987751] Allocated by task 185: [ 24.988187] kasan_save_stack+0x45/0x70 [ 24.988682] kasan_save_track+0x18/0x40 [ 24.988951] kasan_save_alloc_info+0x3b/0x50 [ 24.989276] __kasan_krealloc+0x190/0x1f0 [ 24.989606] krealloc_noprof+0xf3/0x340 [ 24.989965] krealloc_more_oob_helper+0x1a9/0x930 [ 24.990617] krealloc_more_oob+0x1c/0x30 [ 24.991361] kunit_try_run_case+0x1a5/0x480 [ 24.991604] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.992392] kthread+0x337/0x6f0 [ 24.992764] ret_from_fork+0x116/0x1d0 [ 24.992988] ret_from_fork_asm+0x1a/0x30 [ 24.993282] [ 24.993463] The buggy address belongs to the object at ffff888100a1bc00 [ 24.993463] which belongs to the cache kmalloc-256 of size 256 [ 24.994127] The buggy address is located 0 bytes to the right of [ 24.994127] allocated 235-byte region [ffff888100a1bc00, ffff888100a1bceb) [ 24.995487] [ 24.995660] The buggy address belongs to the physical page: [ 24.995910] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100a1a [ 24.996946] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.997329] flags: 0x200000000000040(head|node=0|zone=2) [ 24.997868] page_type: f5(slab) [ 24.998288] raw: 0200000000000040 ffff888100041b40 dead000000000100 dead000000000122 [ 24.998984] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.999718] head: 0200000000000040 ffff888100041b40 dead000000000100 dead000000000122 [ 25.000361] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.001065] head: 0200000000000001 ffffea0004028681 00000000ffffffff 00000000ffffffff [ 25.001778] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 25.002377] page dumped because: kasan: bad access detected [ 25.002882] [ 25.003000] Memory state around the buggy address: [ 25.003656] ffff888100a1bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.004335] ffff888100a1bc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.004585] >ffff888100a1bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 25.005062] ^ [ 25.005571] ffff888100a1bd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.006183] ffff888100a1bd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.006573] ================================================================== [ 25.284183] ================================================================== [ 25.284522] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x7eb/0x930 [ 25.284846] Write of size 1 at addr ffff888102af60f0 by task kunit_try_catch/189 [ 25.286174] [ 25.286426] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 25.286571] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.286603] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.286644] Call Trace: [ 25.286680] <TASK> [ 25.286720] dump_stack_lvl+0x73/0xb0 [ 25.286805] print_report+0xd1/0x650 [ 25.286873] ? __virt_addr_valid+0x1db/0x2d0 [ 25.286920] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.286966] ? kasan_addr_to_slab+0x11/0xa0 [ 25.287008] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.287066] kasan_report+0x141/0x180 [ 25.287114] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.287225] __asan_report_store1_noabort+0x1b/0x30 [ 25.287278] krealloc_more_oob_helper+0x7eb/0x930 [ 25.287330] ? __schedule+0x10cc/0x2b60 [ 25.287382] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 25.287460] ? finish_task_switch.isra.0+0x153/0x700 [ 25.287504] ? __switch_to+0x47/0xf50 [ 25.287549] ? __schedule+0x10cc/0x2b60 [ 25.287573] ? __pfx_read_tsc+0x10/0x10 [ 25.287600] krealloc_large_more_oob+0x1c/0x30 [ 25.287625] kunit_try_run_case+0x1a5/0x480 [ 25.287653] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.287676] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.287700] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.287724] ? __kthread_parkme+0x82/0x180 [ 25.287746] ? preempt_count_sub+0x50/0x80 [ 25.287770] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.287795] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.287820] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.287845] kthread+0x337/0x6f0 [ 25.287866] ? trace_preempt_on+0x20/0xc0 [ 25.287891] ? __pfx_kthread+0x10/0x10 [ 25.287913] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.287936] ? calculate_sigpending+0x7b/0xa0 [ 25.287961] ? __pfx_kthread+0x10/0x10 [ 25.287984] ret_from_fork+0x116/0x1d0 [ 25.288004] ? __pfx_kthread+0x10/0x10 [ 25.288026] ret_from_fork_asm+0x1a/0x30 [ 25.288059] </TASK> [ 25.288072] [ 25.300201] The buggy address belongs to the physical page: [ 25.300657] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102af4 [ 25.301123] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.301653] flags: 0x200000000000040(head|node=0|zone=2) [ 25.302092] page_type: f8(unknown) [ 25.302415] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.302921] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.303432] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.303729] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.304362] head: 0200000000000002 ffffea00040abd01 00000000ffffffff 00000000ffffffff [ 25.304953] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.305433] page dumped because: kasan: bad access detected [ 25.305808] [ 25.305909] Memory state around the buggy address: [ 25.306248] ffff888102af5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.306665] ffff888102af6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.306923] >ffff888102af6080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 25.307415] ^ [ 25.307925] ffff888102af6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.308387] ffff888102af6180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.308869] ================================================================== [ 25.257110] ================================================================== [ 25.257620] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x821/0x930 [ 25.258382] Write of size 1 at addr ffff888102af60eb by task kunit_try_catch/189 [ 25.259392] [ 25.259613] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 25.259704] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.259721] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.259747] Call Trace: [ 25.259766] <TASK> [ 25.259790] dump_stack_lvl+0x73/0xb0 [ 25.259846] print_report+0xd1/0x650 [ 25.259907] ? __virt_addr_valid+0x1db/0x2d0 [ 25.259962] ? krealloc_more_oob_helper+0x821/0x930 [ 25.260008] ? kasan_addr_to_slab+0x11/0xa0 [ 25.260050] ? krealloc_more_oob_helper+0x821/0x930 [ 25.260088] kasan_report+0x141/0x180 [ 25.260130] ? krealloc_more_oob_helper+0x821/0x930 [ 25.260205] __asan_report_store1_noabort+0x1b/0x30 [ 25.260259] krealloc_more_oob_helper+0x821/0x930 [ 25.260299] ? __schedule+0x10cc/0x2b60 [ 25.260325] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 25.260351] ? finish_task_switch.isra.0+0x153/0x700 [ 25.260377] ? __switch_to+0x47/0xf50 [ 25.260406] ? __schedule+0x10cc/0x2b60 [ 25.260429] ? __pfx_read_tsc+0x10/0x10 [ 25.260482] krealloc_large_more_oob+0x1c/0x30 [ 25.260508] kunit_try_run_case+0x1a5/0x480 [ 25.260536] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.260559] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.260584] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.260608] ? __kthread_parkme+0x82/0x180 [ 25.260630] ? preempt_count_sub+0x50/0x80 [ 25.260654] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.260679] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.260704] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.260728] kthread+0x337/0x6f0 [ 25.260749] ? trace_preempt_on+0x20/0xc0 [ 25.260776] ? __pfx_kthread+0x10/0x10 [ 25.260797] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.260820] ? calculate_sigpending+0x7b/0xa0 [ 25.260846] ? __pfx_kthread+0x10/0x10 [ 25.260868] ret_from_fork+0x116/0x1d0 [ 25.260890] ? __pfx_kthread+0x10/0x10 [ 25.260912] ret_from_fork_asm+0x1a/0x30 [ 25.260945] </TASK> [ 25.260959] [ 25.273448] The buggy address belongs to the physical page: [ 25.273881] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102af4 [ 25.274398] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.275056] flags: 0x200000000000040(head|node=0|zone=2) [ 25.275392] page_type: f8(unknown) [ 25.275758] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.276296] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.276778] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.277278] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.277867] head: 0200000000000002 ffffea00040abd01 00000000ffffffff 00000000ffffffff [ 25.278389] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.278873] page dumped because: kasan: bad access detected [ 25.279317] [ 25.279436] Memory state around the buggy address: [ 25.279775] ffff888102af5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.280178] ffff888102af6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.280624] >ffff888102af6080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 25.281181] ^ [ 25.281544] ffff888102af6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.281809] ffff888102af6180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.282389] ================================================================== [ 25.008091] ================================================================== [ 25.009369] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x7eb/0x930 [ 25.010428] Write of size 1 at addr ffff888100a1bcf0 by task kunit_try_catch/185 [ 25.010999] [ 25.011258] CPU: 1 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 25.011366] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.011394] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.011450] Call Trace: [ 25.011491] <TASK> [ 25.011529] dump_stack_lvl+0x73/0xb0 [ 25.011751] print_report+0xd1/0x650 [ 25.011801] ? __virt_addr_valid+0x1db/0x2d0 [ 25.011848] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.011895] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.011939] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.011982] kasan_report+0x141/0x180 [ 25.012028] ? krealloc_more_oob_helper+0x7eb/0x930 [ 25.012090] __asan_report_store1_noabort+0x1b/0x30 [ 25.012172] krealloc_more_oob_helper+0x7eb/0x930 [ 25.012216] ? __schedule+0x10cc/0x2b60 [ 25.012253] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 25.012278] ? finish_task_switch.isra.0+0x153/0x700 [ 25.012303] ? __switch_to+0x47/0xf50 [ 25.012332] ? __schedule+0x10cc/0x2b60 [ 25.012354] ? __pfx_read_tsc+0x10/0x10 [ 25.012380] krealloc_more_oob+0x1c/0x30 [ 25.012402] kunit_try_run_case+0x1a5/0x480 [ 25.012429] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.012474] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.012500] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.012524] ? __kthread_parkme+0x82/0x180 [ 25.012561] ? preempt_count_sub+0x50/0x80 [ 25.012639] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.012682] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.012714] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.012738] kthread+0x337/0x6f0 [ 25.012760] ? trace_preempt_on+0x20/0xc0 [ 25.012785] ? __pfx_kthread+0x10/0x10 [ 25.012807] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.012829] ? calculate_sigpending+0x7b/0xa0 [ 25.012854] ? __pfx_kthread+0x10/0x10 [ 25.012877] ret_from_fork+0x116/0x1d0 [ 25.012898] ? __pfx_kthread+0x10/0x10 [ 25.012920] ret_from_fork_asm+0x1a/0x30 [ 25.012952] </TASK> [ 25.012966] [ 25.027059] Allocated by task 185: [ 25.028033] kasan_save_stack+0x45/0x70 [ 25.028458] kasan_save_track+0x18/0x40 [ 25.028971] kasan_save_alloc_info+0x3b/0x50 [ 25.029262] __kasan_krealloc+0x190/0x1f0 [ 25.029625] krealloc_noprof+0xf3/0x340 [ 25.029938] krealloc_more_oob_helper+0x1a9/0x930 [ 25.030272] krealloc_more_oob+0x1c/0x30 [ 25.030542] kunit_try_run_case+0x1a5/0x480 [ 25.031074] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.031386] kthread+0x337/0x6f0 [ 25.032018] ret_from_fork+0x116/0x1d0 [ 25.032680] ret_from_fork_asm+0x1a/0x30 [ 25.033049] [ 25.033248] The buggy address belongs to the object at ffff888100a1bc00 [ 25.033248] which belongs to the cache kmalloc-256 of size 256 [ 25.034129] The buggy address is located 5 bytes to the right of [ 25.034129] allocated 235-byte region [ffff888100a1bc00, ffff888100a1bceb) [ 25.034850] [ 25.035019] The buggy address belongs to the physical page: [ 25.035456] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100a1a [ 25.035924] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.036341] flags: 0x200000000000040(head|node=0|zone=2) [ 25.036877] page_type: f5(slab) [ 25.037206] raw: 0200000000000040 ffff888100041b40 dead000000000100 dead000000000122 [ 25.038515] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.039096] head: 0200000000000040 ffff888100041b40 dead000000000100 dead000000000122 [ 25.039490] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.040111] head: 0200000000000001 ffffea0004028681 00000000ffffffff 00000000ffffffff [ 25.040685] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 25.041064] page dumped because: kasan: bad access detected [ 25.041363] [ 25.041534] Memory state around the buggy address: [ 25.041991] ffff888100a1bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.042398] ffff888100a1bc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.043430] >ffff888100a1bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 25.043703] ^ [ 25.044296] ffff888100a1bd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.044877] ffff888100a1bd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.045292] ==================================================================