Hay
Date
June 25, 2025, 8:08 a.m.

Environment
qemu-arm64
qemu-x86_64

------------[ cut here ]------------
[   37.594895] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#1: kunit_try_catch/429
[   37.597757] Modules linked in:
[   37.598343] CPU: 1 UID: 0 PID: 429 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc3-next-20250625 #1 PREEMPT 
[   37.599813] Tainted: [D]=DIE, [N]=TEST
[   37.600263] Hardware name: linux,dummy-virt (DT)
[   37.600698] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   37.601314] pc : intlog2+0xb8/0x118
[   37.601749] lr : intlog2_test+0x88/0x180
[   37.602343] sp : ffff800082027cd0
[   37.602877] x29: ffff800082027cf0 x28: dfff800000000000 x27: 1ffe000018f25255
[   37.603550] x26: fff00000c79644a0 x25: ffff800080087808 x24: 0000000000000000
[   37.604211] x23: dfff800000000000 x22: fff00000c7929c98 x21: ffff9e2801efc1b0
[   37.604884] x20: ffff9e2800367e20 x19: ffff800080087b00 x18: ffff800080097930
[   37.605535] x17: ffff80008009792c x16: 0000000000000000 x15: 0000000000000001
[   37.606459] x14: 1ffff3c500698180 x13: 0000000000000000 x12: 0000000000000000
[   37.607105] x11: ffff73c500698181 x10: 0000000000000017 x9 : 0000000000000007
[   37.607750] x8 : 0000000000000000 x7 : ffff80008009793c x6 : 0000000000000014
[   37.608403] x5 : 00000000738ed747 x4 : 0000000000000000 x3 : ffff9e27fd987150
[   37.609072] x2 : 0000000000000000 x1 : 0000000000408bc4 x0 : 0000000000000000
[   37.609697] Call trace:
[   37.610012]  intlog2+0xb8/0x118 (P)
[   37.610598]  intlog2_test+0x88/0x180
[   37.610851]  kunit_try_run_case+0x118/0x31c
[   37.611121]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   37.611778]  kthread+0x3f4/0x51c
[   37.612108]  ret_from_fork+0x10/0x20
[   37.612399] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  105.257924] WARNING: lib/math/int_log.c:63 at intlog2+0xd8/0xf8, CPU#1: kunit_try_catch/652
[  105.263113] Modules linked in:
[  105.263903] CPU: 1 UID: 0 PID: 652 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc3-next-20250625 #1 PREEMPT 
[  105.264850] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  105.265179] Hardware name: linux,dummy-virt (DT)
[  105.265612] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  105.266204] pc : intlog2+0xd8/0xf8
[  105.266622] lr : intlog2_test+0xe4/0x200
[  105.267006] sp : ffff8000824b7c10
[  105.267332] x29: ffff8000824b7c90 x28: 0000000000000000 x27: 0000000000000000
[  105.268137] x26: 1ffe0000187e6d41 x25: 0000000000000000 x24: ffff8000824b7ce0
[  105.268850] x23: ffff8000824b7d00 x22: 0000000000000000 x21: 1ffff00010496f82
[  105.269445] x20: ffff9ec8af9fc9e0 x19: ffff800080087990 x18: 000000002ed1ac3e
[  105.269837] x17: 000000009bf7ebab x16: fff00000c613143c x15: fff00000ff616b08
[  105.270320] x14: 0000000000018fff x13: 1ffe00001b48c5cd x12: ffff73d916712189
[  105.270772] x11: 1ffff3d916712188 x10: ffff73d916712188 x9 : ffff9ec8ad03e294
[  105.271227] x8 : ffff9ec8b3890c43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[  105.271679] x5 : ffff700010496f82 x4 : 1ffff00010010f3b x3 : 1ffff3d915f3f93c
[  105.272228] x2 : 1ffff3d915f3f93c x1 : 0000000000000003 x0 : 0000000000000000
[  105.272788] Call trace:
[  105.272968]  intlog2+0xd8/0xf8 (P)
[  105.273224]  kunit_try_run_case+0x170/0x3f0
[  105.273501]  kunit_generic_run_threadfn_adapter+0x88/0x100
[  105.273818]  kthread+0x328/0x630
[  105.274053]  ret_from_fork+0x10/0x20
[  105.274336] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   41.610502] WARNING: lib/math/int_log.c:63 at intlog2+0xd0/0xe8, CPU#0: kunit_try_catch/429
[   41.617910] Modules linked in:
[   41.618409] CPU: 0 UID: 0 PID: 429 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc3-next-20250625 #1 PREEMPT 
[   41.619247] Tainted: [D]=DIE, [N]=TEST
[   41.619541] Hardware name: linux,dummy-virt (DT)
[   41.620021] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   41.620774] pc : intlog2+0xd0/0xe8
[   41.621081] lr : intlog2_test+0xdc/0x1f0
[   41.621387] sp : ffff8000820e7c10
[   41.621796] x29: ffff8000820e7c90 x28: 0000000000000000 x27: 0000000000000000
[   41.622454] x26: 1ffe000018ec7601 x25: fff00000c7a09280 x24: 0000000000000004
[   41.623283] x23: fff00000c7a09280 x22: 0000000000000000 x21: 1ffff0001041cf82
[   41.624007] x20: ffffaa635ae531e0 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   41.624753] x17: fff00000c0369288 x16: fff00000c574453c x15: 0000000000007eb0
[   41.625515] x14: 1ffe00001b5232dd x13: 1ffe000018f41252 x12: ffff754c6bc78549
[   41.626008] x11: 1ffff54c6bc78548 x10: ffff754c6bc78548 x9 : dfff800000000000
[   41.626314] x8 : ffffaa635e3c2a43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   41.626600] x5 : ffff70001041cf82 x4 : 1ffff00010010f3d x3 : 1ffff54c6b5ca63c
[   41.626860] x2 : 1ffff54c6b5ca63c x1 : 0000000000000003 x0 : 0000000000000000
[   41.627427] Call trace:
[   41.627727]  intlog2+0xd0/0xe8 (P)
[   41.628175]  kunit_try_run_case+0x144/0x3bc
[   41.628681]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   41.629247]  kthread+0x37c/0x67c
[   41.629586]  ret_from_fork+0x10/0x20
[   41.630409] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   34.951868] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/429
[   34.955965] Modules linked in:
[   34.956434] CPU: 0 UID: 0 PID: 429 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc3-next-20250625 #1 PREEMPT 
[   34.956915] Tainted: [D]=DIE, [N]=TEST
[   34.957187] Hardware name: linux,dummy-virt (DT)
[   34.957625] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   34.958209] pc : intlog2+0xb8/0x118
[   34.958602] lr : intlog2_test+0x88/0x180
[   34.959109] sp : ffff800082107cd0
[   34.959506] x29: ffff800082107cf0 x28: dfff800000000000 x27: 1ffe000018f4cb95
[   34.960417] x26: fff00000c7a7d9a0 x25: ffff800080087808 x24: 0000000000000000
[   34.961310] x23: dfff800000000000 x22: fff00000c7a66698 x21: ffffa555a10ec2f0
[   34.961975] x20: ffffa5559f558e40 x19: ffff800080087b00 x18: ffff800080097940
[   34.962614] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   34.963170] x14: 1ffff4aab44d6180 x13: 0000000000000000 x12: 0000000000000000
[   34.963609] x11: ffff74aab44d6181 x10: 0000000000000017 x9 : 0000000000000007
[   34.964343] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   34.964738] x5 : 00000000a52ae3f7 x4 : 0000000000000000 x3 : ffffa5559cb81b7c
[   34.965107] x2 : 0000000000000000 x1 : 000000000042c1da x0 : 0000000000000000
[   34.965462] Call trace:
[   34.965608]  intlog2+0xb8/0x118 (P)
[   34.965807]  intlog2_test+0x88/0x180
[   34.966739]  kunit_try_run_case+0x118/0x31c
[   34.967448]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   34.968114]  kthread+0x3f4/0x51c
[   34.968477]  ret_from_fork+0x10/0x20
[   34.968957] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   46.128459] WARNING: lib/math/int_log.c:63 at intlog2+0xd4/0xec, CPU#1: kunit_try_catch/429
[   46.131491] Modules linked in:
[   46.132366] CPU: 1 UID: 0 PID: 429 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc3-next-20250625 #1 PREEMPT 
[   46.133265] Tainted: [D]=DIE, [N]=TEST
[   46.133561] Hardware name: linux,dummy-virt (DT)
[   46.133927] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   46.134579] pc : intlog2+0xd4/0xec
[   46.134948] lr : intlog2_test+0xdc/0x1e0
[   46.135321] sp : ffff800080e87bf0
[   46.135636] x29: ffff800080e87bf0 x28: 0000000000000000 x27: 0000000000000000
[   46.136413] x26: 0000000000000000 x25: fff00000c79ab780 x24: fff00000c79ab780
[   46.137431] x23: 0000000000000000 x22: ffff956fdf76f458 x21: ffff956fde0c3e40
[   46.138151] x20: 1ffff000101d0f86 x19: ffff800080087a00 x18: 00000000000010d8
[   46.138459] x17: 00000000000010e0 x16: 00000000000010e8 x15: 00000000000010f0
[   46.138743] x14: 00000000000010f8 x13: ffff72adfc6b5939 x12: 1ffff2adfc6b5938
[   46.139023] x11: 1ffff2adfc6b5938 x10: ffff72adfc6b5938 x9 : dfff800000000000
[   46.139567] x8 : 0000000000000001 x7 : ffff72adfc6b5939 x6 : ffff956fe35ac9c3
[   46.140672] x5 : 0000000041b58ab3 x4 : ffff7000101d0f86 x3 : 1ffff2adfbc187c8
[   46.141489] x2 : 1ffff2adfbc187c8 x1 : 0000000000000003 x0 : 0000000000000000
[   46.142276] Call trace:
[   46.142563]  intlog2+0xd4/0xec (P)
[   46.142986]  kunit_try_run_case+0x144/0x3bc
[   46.143417]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   46.144101]  kthread+0x3f0/0x744
[   46.144516]  ret_from_fork+0x10/0x20
[   46.145025] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  118.666034] WARNING: lib/math/int_log.c:63 at intlog2+0xdf/0x110, CPU#0: kunit_try_catch/669
[  118.666390] Modules linked in:
[  118.666551] CPU: 0 UID: 0 PID: 669 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) 
[  118.667581] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  118.668144] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  118.668565] RIP: 0010:intlog2+0xdf/0x110
[  118.668984] Code: 09 b1 c1 e0 18 48 83 c4 08 89 d1 c1 e2 08 29 cb 01 d0 0f b7 db 41 0f af dc c1 eb 0f 01 d8 5b 41 5c 41 5d 5d e9 82 63 8e 02 90 <0f> 0b 90 31 c0 c3 cc cc cc cc 89 45 e4 e8 cf dd 55 ff 8b 45 e4 eb
[  118.670100] RSP: 0000:ffff88810b53fcb0 EFLAGS: 00010246
[  118.670365] RAX: 0000000000000000 RBX: ffff8881003c7ae8 RCX: 1ffff110216a7fb4
[  118.671044] RDX: 1ffffffff6213068 RSI: 1ffff110216a7fb3 RDI: 0000000000000000
[  118.671440] RBP: ffff88810b53fd60 R08: 0000000000000000 R09: ffffed10208ffd60
[  118.671835] R10: ffff8881047feb07 R11: 0000000000000000 R12: 1ffff110216a7f97
[  118.672356] R13: ffffffffb1098340 R14: 0000000000000000 R15: ffff88810b53fd38
[  118.672763] FS:  0000000000000000(0000) GS:ffff8881a7e2e000(0000) knlGS:0000000000000000
[  118.673414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.673669] CR2: dffffc0000000000 CR3: 00000000250bc000 CR4: 00000000000006f0
[  118.674313] DR0: ffffffffb3298480 DR1: ffffffffb3298481 DR2: ffffffffb3298482
[  118.674620] DR3: ffffffffb3298483 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  118.675179] Call Trace:
[  118.675296]  <TASK>
[  118.675542]  ? intlog2_test+0xf2/0x220
[  118.675733]  ? __pfx_intlog2_test+0x10/0x10
[  118.676247]  ? __schedule+0x10cc/0x2b60
[  118.676573]  ? __pfx_read_tsc+0x10/0x10
[  118.676940]  ? ktime_get_ts64+0x86/0x230
[  118.677266]  kunit_try_run_case+0x1a5/0x480
[  118.677461]  ? __pfx_kunit_try_run_case+0x10/0x10
[  118.677679]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  118.677887]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  118.678243]  ? __kthread_parkme+0x82/0x180
[  118.678662]  ? preempt_count_sub+0x50/0x80
[  118.678969]  ? __pfx_kunit_try_run_case+0x10/0x10
[  118.679218]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  118.679465]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  118.679708]  kthread+0x337/0x6f0
[  118.679901]  ? trace_preempt_on+0x20/0xc0
[  118.680243]  ? __pfx_kthread+0x10/0x10
[  118.680403]  ? _raw_spin_unlock_irq+0x47/0x80
[  118.680638]  ? calculate_sigpending+0x7b/0xa0
[  118.680877]  ? __pfx_kthread+0x10/0x10
[  118.681172]  ret_from_fork+0x116/0x1d0
[  118.681405]  ? __pfx_kthread+0x10/0x10
[  118.681579]  ret_from_fork_asm+0x1a/0x30
[  118.681972]  </TASK>
[  118.682102] ---[ end trace 0000000000000000 ]---