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Date
July 8, 2025, 11:10 a.m.

Environment
qemu-arm64
qemu-x86_64 

------------[ cut here ]------------
[   42.763271] WARNING: lib/math/int_log.c:63 at intlog2+0xd0/0xe8, CPU#1: kunit_try_catch/449
[   42.765578] Modules linked in:
[   42.766722] CPU: 1 UID: 0 PID: 449 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5-next-20250708 #1 PREEMPT 
[   42.767933] Tainted: [D]=DIE, [N]=TEST
[   42.768415] Hardware name: linux,dummy-virt (DT)
[   42.768936] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   42.769593] pc : intlog2+0xd0/0xe8
[   42.769995] lr : intlog2_test+0xdc/0x1f0
[   42.770404] sp : ffff800080ea7c10
[   42.770752] x29: ffff800080ea7c90 x28: 0000000000000000 x27: 0000000000000000
[   42.771517] x26: 1ffe00001938d9e1 x25: fff00000c9e83780 x24: 0000000000000004
[   42.772402] x23: fff00000c9e83780 x22: 0000000000000000 x21: 1ffff000101d4f82
[   42.773364] x20: ffff9af152e641c0 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   42.774206] x17: fff00000c0369288 x16: fff00000c93d543c x15: 0000000000007eb0
[   42.775046] x14: 1ffe00001b51f0dd x13: 1ffe0000193d06f2 x12: ffff735e2ac81b49
[   42.775609] x11: 1ffff35e2ac81b48 x10: ffff735e2ac81b48 x9 : dfff800000000000
[   42.775948] x8 : ffff9af15640da43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   42.776284] x5 : ffff7000101d4f82 x4 : 1ffff00010010f3d x3 : 1ffff35e2a5cc838
[   42.776609] x2 : 1ffff35e2a5cc838 x1 : 0000000000000003 x0 : 0000000000000000
[   42.776946] Call trace:
[   42.777263]  intlog2+0xd0/0xe8 (P)
[   42.777678]  kunit_try_run_case+0x144/0x3bc
[   42.778315]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   42.778859]  kthread+0x37c/0x67c
[   42.779239]  ret_from_fork+0x10/0x20
[   42.779733] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  112.406307] WARNING: lib/math/int_log.c:63 at intlog2+0xd8/0xf8, CPU#1: kunit_try_catch/671
[  112.408186] Modules linked in:
[  112.408813] CPU: 1 UID: 0 PID: 671 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc5-next-20250708 #1 PREEMPT 
[  112.409819] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  112.410044] Hardware name: linux,dummy-virt (DT)
[  112.410266] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  112.410722] pc : intlog2+0xd8/0xf8
[  112.410942] lr : intlog2_test+0xe4/0x200
[  112.411191] sp : ffff800082197c10
[  112.411463] x29: ffff800082197c90 x28: 0000000000000000 x27: 0000000000000000
[  112.411942] x26: 1ffe0000194c8f41 x25: 0000000000000000 x24: ffff800082197ce0
[  112.412454] x23: ffff800082197d00 x22: 0000000000000000 x21: 1ffff00010432f82
[  112.413006] x20: ffff92c7b7a0e1c0 x19: ffff800080087990 x18: 00000000c1348750
[  112.413634] x17: 000000001a6a2a19 x16: fff00000c7b4c03c x15: fff00000ff616b48
[  112.414118] x14: 0000000000018fff x13: 1ffe00001b48b1c5 x12: ffff7258f771b989
[  112.414621] x11: 1ffff258f771b988 x10: ffff7258f771b988 x9 : ffff92c7b50451e4
[  112.415093] x8 : ffff92c7bb8dcc43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[  112.415863] x5 : ffff700010432f82 x4 : 1ffff00010010f3b x3 : 1ffff258f6f41c38
[  112.416302] x2 : 1ffff258f6f41c38 x1 : 0000000000000003 x0 : 0000000000000000
[  112.417095] Call trace:
[  112.417648]  intlog2+0xd8/0xf8 (P)
[  112.418267]  kunit_try_run_case+0x170/0x3f0
[  112.418882]  kunit_generic_run_threadfn_adapter+0x88/0x100
[  112.419616]  kthread+0x328/0x630
[  112.420111]  ret_from_fork+0x10/0x20
[  112.420796] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   43.880807] WARNING: lib/math/int_log.c:63 at intlog2+0xd4/0xec, CPU#0: kunit_try_catch/449
[   43.884387] Modules linked in:
[   43.884859] CPU: 0 UID: 0 PID: 449 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5-next-20250708 #1 PREEMPT 
[   43.886100] Tainted: [D]=DIE, [N]=TEST
[   43.886654] Hardware name: linux,dummy-virt (DT)
[   43.887260] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   43.888092] pc : intlog2+0xd4/0xec
[   43.888657] lr : intlog2_test+0xdc/0x1e0
[   43.889232] sp : ffff800080d97bf0
[   43.889556] x29: ffff800080d97bf0 x28: 0000000000000000 x27: 0000000000000000
[   43.889939] x26: 0000000000000000 x25: fff00000c9cedc80 x24: fff00000c9cedc80
[   43.890313] x23: 0000000000000000 x22: ffff9d9f8a391c58 x21: ffff9d9f88cd40e0
[   43.890674] x20: 1ffff000101b2f86 x19: ffff800080087a00 x18: 00000000000010d8
[   43.891033] x17: 00000000000010e0 x16: 00000000000010e8 x15: 00000000000010f0
[   43.891880] x14: 00000000000010f8 x13: ffff73b3f1c40f39 x12: 1ffff3b3f1c40f38
[   43.892674] x11: 1ffff3b3f1c40f38 x10: ffff73b3f1c40f38 x9 : dfff800000000000
[   43.893434] x8 : 0000000000000001 x7 : ffff73b3f1c40f39 x6 : ffff9d9f8e2079c3
[   43.894186] x5 : 0000000041b58ab3 x4 : ffff7000101b2f86 x3 : 1ffff3b3f119a81c
[   43.894924] x2 : 1ffff3b3f119a81c x1 : 0000000000000003 x0 : 0000000000000000
[   43.895679] Call trace:
[   43.896219]  intlog2+0xd4/0xec (P)
[   43.896615]  kunit_try_run_case+0x144/0x3bc
[   43.897051]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   43.897594]  kthread+0x3f0/0x744
[   43.897955]  ret_from_fork+0x10/0x20
[   43.898452] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   38.948888] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/448
[   38.949893] Modules linked in:
[   38.950136] CPU: 0 UID: 0 PID: 448 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5-next-20250708 #1 PREEMPT 
[   38.950542] Tainted: [D]=DIE, [N]=TEST
[   38.950726] Hardware name: linux,dummy-virt (DT)
[   38.950927] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   38.951195] pc : intlog2+0xb8/0x118
[   38.951376] lr : intlog2_test+0x88/0x180
[   38.951565] sp : ffff800082157cd0
[   38.952732] x29: ffff800082157cf0 x28: dfff800000000000 x27: 1ffe0000193af945
[   38.953289] x26: fff00000c9dab1a0 x25: ffff800080087808 x24: 0000000000000000
[   38.953952] x23: dfff800000000000 x22: fff00000c9d7d418 x21: ffff9a192510cb90
[   38.954597] x20: ffff9a1923569da0 x19: ffff800080087b00 x18: ffff800080097920
[   38.955252] x17: ffff80008009791c x16: 0000000000000000 x15: 0000000000000001
[   38.955898] x14: 1ffff34324cdd580 x13: 0000000000000000 x12: 0000000000000000
[   38.956555] x11: ffff734324cdd581 x10: 0000000000000017 x9 : 0000000000000007
[   38.957212] x8 : 0000000000000000 x7 : ffff80008009792c x6 : 0000000000000014
[   38.957950] x5 : 00000000dac44e77 x4 : 0000000000000004 x3 : ffff9a1920b812f8
[   38.958410] x2 : 0000000000000000 x1 : 00000000004fe1d7 x0 : 0000000000000000
[   38.958826] Call trace:
[   38.959004]  intlog2+0xb8/0x118 (P)
[   38.959252]  intlog2_test+0x88/0x180
[   38.959457]  kunit_try_run_case+0x118/0x31c
[   38.959708]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   38.959982]  kthread+0x3f4/0x51c
[   38.960349]  ret_from_fork+0x10/0x20
[   38.960628] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   38.241616] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/449
[   38.245185] Modules linked in:
[   38.245633] CPU: 0 UID: 0 PID: 449 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5-next-20250708 #1 PREEMPT 
[   38.246734] Tainted: [D]=DIE, [N]=TEST
[   38.247075] Hardware name: linux,dummy-virt (DT)
[   38.247409] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   38.248133] pc : intlog2+0xb8/0x118
[   38.248315] lr : intlog2_test+0x88/0x180
[   38.248717] sp : ffff800082197cd0
[   38.249123] x29: ffff800082197cf0 x28: dfff800000000000 x27: 1ffe0000193fc6f5
[   38.249980] x26: fff00000c9fc1ba0 x25: ffff800080087808 x24: 0000000000000000
[   38.251112] x23: dfff800000000000 x22: fff00000c9fe4198 x21: ffffa8e8a4f1ca50
[   38.251578] x20: ffffa8e8a3378c80 x19: ffff800080087b00 x18: ffff800080097920
[   38.252062] x17: ffff80008009791c x16: 0000000000000000 x15: 0000000000000001
[   38.252525] x14: 1ffff51d14c9f380 x13: 0000000000000000 x12: 0000000000000000
[   38.253244] x11: ffff751d14c9f381 x10: 0000000000000017 x9 : 0000000000000007
[   38.254054] x8 : 0000000000000000 x7 : ffff80008009792c x6 : 0000000000000014
[   38.254975] x5 : 000000007ca7da7c x4 : 0000000000000000 x3 : ffffa8e8a09879f4
[   38.255896] x2 : 0000000000000000 x1 : 0000000000304f43 x0 : 0000000000000000
[   38.256794] Call trace:
[   38.257115]  intlog2+0xb8/0x118 (P)
[   38.257546]  intlog2_test+0x88/0x180
[   38.257979]  kunit_try_run_case+0x118/0x31c
[   38.258618]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   38.259328]  kthread+0x3f4/0x51c
[   38.259776]  ret_from_fork+0x10/0x20
[   38.260257] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  123.667112] WARNING: lib/math/int_log.c:63 at intlog2+0xdf/0x110, CPU#0: kunit_try_catch/688
[  123.668359] Modules linked in:
[  123.669864] CPU: 0 UID: 0 PID: 688 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) 
[  123.671045] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  123.671366] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  123.672183] RIP: 0010:intlog2+0xdf/0x110
[  123.672379] Code: 49 9f 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 c3 cc cc cc cc 90 <0f> 0b 90 31 c0 c3 cc cc cc cc 89 45 e4 e8 5f c9 55 ff 8b 45 e4 eb
[  123.672876] RSP: 0000:ffff888104097cb0 EFLAGS: 00010246
[  123.673250] RAX: 0000000000000000 RBX: ffff8881003c7ae8 RCX: 1ffff11020812fb4
[  123.673540] RDX: 1ffffffff3e931c0 RSI: 1ffff11020812fb3 RDI: 0000000000000000
[  123.673966] RBP: ffff888104097d60 R08: 0000000000000000 R09: ffffed10204ff720
[  123.674220] R10: ffff8881027fb907 R11: 0000000000000000 R12: 1ffff11020812f97
[  123.674551] R13: ffffffff9f498e00 R14: 0000000000000000 R15: ffff888104097d38
[  123.674841] FS:  0000000000000000(0000) GS:ffff8881b3222000(0000) knlGS:0000000000000000
[  123.675285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  123.675664] CR2: ffff88815408a000 CR3: 0000000175ebc000 CR4: 00000000000006f0
[  123.676053] DR0: ffffffffa16a44c0 DR1: ffffffffa16a44c1 DR2: ffffffffa16a44c2
[  123.676386] DR3: ffffffffa16a44c3 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  123.677075] Call Trace:
[  123.677261]  <TASK>
[  123.677378]  ? intlog2_test+0xf2/0x220
[  123.677597]  ? __pfx_intlog2_test+0x10/0x10
[  123.677968]  ? __schedule+0x10cc/0x2b60
[  123.678194]  ? __pfx_read_tsc+0x10/0x10
[  123.678395]  ? ktime_get_ts64+0x86/0x230
[  123.678592]  kunit_try_run_case+0x1a5/0x480
[  123.679361]  ? __pfx_kunit_try_run_case+0x10/0x10
[  123.679584]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  123.679852]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  123.680084]  ? __kthread_parkme+0x82/0x180
[  123.680282]  ? preempt_count_sub+0x50/0x80
[  123.680487]  ? __pfx_kunit_try_run_case+0x10/0x10
[  123.680707]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  123.681200]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  123.681465]  kthread+0x337/0x6f0
[  123.681610]  ? trace_preempt_on+0x20/0xc0
[  123.681994]  ? __pfx_kthread+0x10/0x10
[  123.682201]  ? _raw_spin_unlock_irq+0x47/0x80
[  123.682444]  ? calculate_sigpending+0x7b/0xa0
[  123.682625]  ? __pfx_kthread+0x10/0x10
[  123.682939]  ret_from_fork+0x116/0x1d0
[  123.683219]  ? __pfx_kthread+0x10/0x10
[  123.683419]  ret_from_fork_asm+0x1a/0x30
[  123.683636]  </TASK>
[  123.683754] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details