Date
Dec. 6, 2024, 3:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.035153] ================================================================== [ 30.036657] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 30.037439] Write of size 1 at addr fff00000c13bdf00 by task kunit_try_catch/133 [ 30.038098] [ 30.038500] CPU: 1 UID: 0 PID: 133 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 30.039891] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.040336] Hardware name: linux,dummy-virt (DT) [ 30.041452] Call trace: [ 30.041953] show_stack+0x20/0x38 (C) [ 30.042719] dump_stack_lvl+0x8c/0xd0 [ 30.043680] print_report+0x118/0x5e0 [ 30.044242] kasan_report+0xc8/0x118 [ 30.044795] __asan_report_store1_noabort+0x20/0x30 [ 30.045461] kmalloc_big_oob_right+0x2a4/0x2f0 [ 30.046458] kunit_try_run_case+0x14c/0x3d0 [ 30.047135] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.048332] kthread+0x24c/0x2d0 [ 30.049013] ret_from_fork+0x10/0x20 [ 30.049599] [ 30.049971] Allocated by task 133: [ 30.050959] kasan_save_stack+0x3c/0x68 [ 30.051594] kasan_save_track+0x20/0x40 [ 30.052120] kasan_save_alloc_info+0x40/0x58 [ 30.052695] __kasan_kmalloc+0xd4/0xd8 [ 30.053384] __kmalloc_cache_noprof+0x15c/0x3c0 [ 30.054178] kmalloc_big_oob_right+0xb8/0x2f0 [ 30.054971] kunit_try_run_case+0x14c/0x3d0 [ 30.056829] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.057857] kthread+0x24c/0x2d0 [ 30.058897] ret_from_fork+0x10/0x20 [ 30.059378] [ 30.059879] The buggy address belongs to the object at fff00000c13bc000 [ 30.059879] which belongs to the cache kmalloc-8k of size 8192 [ 30.060793] The buggy address is located 0 bytes to the right of [ 30.060793] allocated 7936-byte region [fff00000c13bc000, fff00000c13bdf00) [ 30.061839] [ 30.062481] The buggy address belongs to the physical page: [ 30.063349] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1013b8 [ 30.064363] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.066953] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.068009] page_type: f5(slab) [ 30.068600] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 30.069682] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 30.070902] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 30.071907] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 30.073527] head: 0bfffe0000000003 ffffc1ffc304ee01 ffffffffffffffff 0000000000000000 [ 30.074558] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 30.075638] page dumped because: kasan: bad access detected [ 30.076563] [ 30.076899] Memory state around the buggy address: [ 30.077995] fff00000c13bde00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.078759] fff00000c13bde80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.080255] >fff00000c13bdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.081274] ^ [ 30.081964] fff00000c13bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.083182] fff00000c13be000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.084038] ==================================================================
[ 22.178991] ================================================================== [ 22.180239] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x318/0x370 [ 22.182186] Write of size 1 at addr ffff888102a91f00 by task kunit_try_catch/152 [ 22.182917] [ 22.183121] CPU: 1 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241206 #1 [ 22.185961] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.186771] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.187918] Call Trace: [ 22.188737] <TASK> [ 22.189003] dump_stack_lvl+0x73/0xb0 [ 22.189494] print_report+0xd1/0x640 [ 22.189746] ? __virt_addr_valid+0x1db/0x2d0 [ 22.190692] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.191891] kasan_report+0x102/0x140 [ 22.192674] ? kmalloc_big_oob_right+0x318/0x370 [ 22.193548] ? kmalloc_big_oob_right+0x318/0x370 [ 22.194100] __asan_report_store1_noabort+0x1b/0x30 [ 22.194628] kmalloc_big_oob_right+0x318/0x370 [ 22.195534] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 22.196313] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 22.196686] kunit_try_run_case+0x1b3/0x490 [ 22.197452] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.197969] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 22.198448] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.198790] ? __kthread_parkme+0x82/0x160 [ 22.199494] ? preempt_count_sub+0x50/0x80 [ 22.200115] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.201015] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.202364] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.203078] kthread+0x257/0x310 [ 22.204335] ? __pfx_kthread+0x10/0x10 [ 22.205332] ret_from_fork+0x41/0x80 [ 22.206230] ? __pfx_kthread+0x10/0x10 [ 22.206654] ret_from_fork_asm+0x1a/0x30 [ 22.207115] </TASK> [ 22.207375] [ 22.207580] Allocated by task 152: [ 22.209395] kasan_save_stack+0x3d/0x60 [ 22.210234] kasan_save_track+0x18/0x40 [ 22.210425] kasan_save_alloc_info+0x3b/0x50 [ 22.210617] __kasan_kmalloc+0xb7/0xc0 [ 22.210791] __kmalloc_cache_noprof+0x184/0x410 [ 22.211026] kmalloc_big_oob_right+0xaa/0x370 [ 22.211224] kunit_try_run_case+0x1b3/0x490 [ 22.211410] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.211632] kthread+0x257/0x310 [ 22.211792] ret_from_fork+0x41/0x80 [ 22.212152] ret_from_fork_asm+0x1a/0x30 [ 22.212718] [ 22.212881] The buggy address belongs to the object at ffff888102a90000 [ 22.212881] which belongs to the cache kmalloc-8k of size 8192 [ 22.215525] The buggy address is located 0 bytes to the right of [ 22.215525] allocated 7936-byte region [ffff888102a90000, ffff888102a91f00) [ 22.217598] [ 22.217987] The buggy address belongs to the physical page: [ 22.219365] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a90 [ 22.221131] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.222271] flags: 0x200000000000040(head|node=0|zone=2) [ 22.222642] page_type: f5(slab) [ 22.223117] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 22.224073] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.224682] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 22.226561] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.228063] head: 0200000000000003 ffffea00040aa401 ffffffffffffffff 0000000000000000 [ 22.229067] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 22.230000] page dumped because: kasan: bad access detected [ 22.230646] [ 22.230976] Memory state around the buggy address: [ 22.232270] ffff888102a91e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.233452] ffff888102a91e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.234826] >ffff888102a91f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.235432] ^ [ 22.235714] ffff888102a91f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.236460] ffff888102a92000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.237218] ==================================================================