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Date
July 1, 2025, 12:10 a.m.

Environment
qemu-arm64
qemu-x86_64 

------------[ cut here ]------------
[   99.725688] WARNING: CPU: 0 PID: 638 at lib/math/int_log.c:63 intlog2+0xd8/0xf8
[   99.729838] Modules linked in:
[   99.730266] CPU: 0 UID: 0 PID: 638 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc4 #1 PREEMPT 
[   99.731319] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   99.731951] Hardware name: linux,dummy-virt (DT)
[   99.732708] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   99.733164] pc : intlog2+0xd8/0xf8
[   99.733534] lr : intlog2_test+0xe4/0x200
[   99.733935] sp : ffff8000821f7c10
[   99.734156] x29: ffff8000821f7c90 x28: 0000000000000000 x27: 0000000000000000
[   99.734526] x26: 1ffe000018bbc6c1 x25: 0000000000000000 x24: ffff8000821f7ce0
[   99.734920] x23: ffff8000821f7d00 x22: 0000000000000000 x21: 1ffff0001043ef82
[   99.735406] x20: ffffa141d7a89740 x19: ffff800080087990 x18: 00000000577bd245
[   99.735976] x17: 000000009705f798 x16: fff00000c097583c x15: fff00000ff616b08
[   99.736420] x14: 00000000f1f1f1f1 x13: 1ffe00001b48e9cd x12: ffff74283b723381
[   99.736862] x11: 1ffff4283b723380 x10: ffff74283b723380 x9 : ffffa141d503721c
[   99.737207] x8 : ffffa141db919c03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   99.737612] x5 : ffff70001043ef82 x4 : 1ffff00010010f3a x3 : 1ffff4283af512e8
[   99.738057] x2 : 1ffff4283af512e8 x1 : 0000000000000003 x0 : 0000000000000000
[   99.738517] Call trace:
[   99.738687]  intlog2+0xd8/0xf8 (P)
[   99.738905]  kunit_try_run_case+0x170/0x3f0
[   99.739119]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   99.739535]  kthread+0x328/0x630
[   99.739749]  ret_from_fork+0x10/0x20
[   99.740024] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   28.421999] WARNING: CPU: 1 PID: 415 at lib/math/int_log.c:63 intlog2+0xd0/0xe8
[   28.424156] Modules link
[   28.424156] Modules linked in:
[   28.425872] CPU: 1 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc4 #1 PREEMPT 
[   28.427286] Tainted: [D]=DIE, [N]=TEST
[   28.427855] Hardware name: linux,dummy-virt (DT)
[   28.428586] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   28.429483] pc : intlog2+0xd0/0xe8
[   28.430018] lr : intlog2_test+0xdc/0x1f0
[   28.430429] sp : ffff800080e97c10
[   28.430614] x29: ffff800080e97c90 x28: 0000000000000000 x27: 0000000000000000
[   28.431358] x26: 1ffe000018f16d61 x25: fff00000c7900000 x24: 0000000000000004
[   28.432056] x23: fff00000c7900000 x22: 0000000000000000 x21: 1ffff000101d2f82
[   28.432580] x20: ffffaefebd4cfe80 x19: ffff8000800879a0 x18: 000000006b7a4efe
[   28.432929] x17: 00000000cfa0af24 x16: fff00000c089773c x15: 0000000000007eb0
[   28.433356] x14: 1ffe00001b51ecd5 x13: 0000000000000005 x12: ffff75dfd8143d41
[   28.433762] x11: 1ffff5dfd8143d40 x10: ffff75dfd8143d40 x9 : dfff800000000000
[   28.434168] x8 : ffffaefec0a1ea03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   28.434825] x5 : ffff7000101d2f82 x4 : 1ffff00010010f3c x3 : 1ffff5dfd7a99fd0
[   28.435495] x2 : 1ffff5dfd7a99fd0 x1 : 0000000000000003 x0 : 0000000000000000
[   28.435840] Call trace:
[   28.435991]  intlog2+0xd0/0xe8 (P)
[   28.436169]  kunit_try_run_case+0x144/0x3bc
[   28.436358]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   28.436578]  kthread+0x37c/0x67c
[   28.436744]  ret_from_fork+0x10/0x20
[   28.437033] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   28.451220] WARNING: CPU: 0 PID: 416 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   28.452353] Modules linked in:
[   28.452971] CPU: 0 UID: 0 PID: 416 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc4 #1 PREEMPT 
[   28.453605] Tainted: [D]=DIE, [N]=TEST
[   28.454266] Hardware name: linux,dummy-virt (DT)
[   28.454653] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   28.455484] pc : intlog2+0xb8/0x118
[   28.455662] lr : intlog2_test+0x88/0x180
[   28.456237] sp : ffff8000821f7cd0
[   28.456566] x29: ffff8000821f7cf0 x28: dfff800000000000 x27: 1ffe000018f5c6f5
[   28.457255] x26: fff00000c7aa8da0 x25: ffff8000800878a8 x24: 0000000000000000
[   28.458017] x23: dfff800000000000 x22: fff00000c7ae4198 x21: ffffa03e2275e890
[   28.458497] x20: ffffa03e20bd6840 x19: ffff800080087b08 x18: ffff800080097940
[   28.459339] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   28.460016] x14: 1ffff407c47a2280 x13: 0000000000000000 x12: 0000000000000000
[   28.460714] x11: ffff7407c47a2281 x10: 0000000000000017 x9 : 0000000000000007
[   28.461391] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   28.462182] x5 : 000000007b635aee x4 : 0000000000000000 x3 : ffffa03e1e17db68
[   28.463007] x2 : 0000000000000000 x1 : 000000000034218b x0 : 0000000000000000
[   28.463747] Call trace:
[   28.463991]  intlog2+0xb8/0x118 (P)
[   28.464424]  intlog2_test+0x88/0x180
[   28.464769]  kunit_try_run_case+0x118/0x31c
[   28.465231]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   28.465701]  kthread+0x3f4/0x51c
[   28.466305]  ret_from_fork+0x10/0x20
[   28.466815] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   28.970154] WARNING: CPU: 0 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   28.973672] Modules linked in:
[   28.974377] CPU: 0 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc4 #1 PREEMPT 
[   28.975141] Tainted: [D]=DIE, [N]=TEST
[   28.975530] Hardware name: linux,dummy-virt (DT)
[   28.975954] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   28.976891] pc : intlog2+0xb8/0x118
[   28.977809] lr : intlog2_test+0x88/0x180
[   28.978242] sp : ffff8000821d7cd0
[   28.978540] x29: ffff8000821d7cf0 x28: dfff800000000000 x27: 1ffe000018f4b4a5
[   28.979261] x26: fff00000c7978fa0 x25: ffff8000800878a8 x24: 0000000000000000
[   28.980000] x23: dfff800000000000 x22: fff00000c7a5af18 x21: ffff9273d9d6e890
[   28.980945] x20: ffff9273d81e58e0 x19: ffff800080087b08 x18: 00000000ddd3e691
[   28.981625] x17: 0000000048bae504 x16: 0000000000000500 x15: 0000000000000001
[   28.982188] x14: 1ffff24e7b664080 x13: 0000000000000000 x12: 0000000000000000
[   28.983450] x11: ffff724e7b664081 x10: 0000000000000017 x9 : 0000000000000007
[   28.984338] x8 : 0000000000000000 x7 : 0000000057a5ad17 x6 : 00000000e3ad510a
[   28.985318] x5 : 00000000fce71396 x4 : 0000000000000001 x3 : ffff9273d578394c
[   28.986016] x2 : 0000000000000000 x1 : 00000000002952fe x0 : 0000000000000000
[   28.986705] Call trace:
[   28.987045]  intlog2+0xb8/0x118 (P)
[   28.987526]  intlog2_test+0x88/0x180
[   28.987975]  kunit_try_run_case+0x118/0x31c
[   28.988438]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   28.989016]  kthread+0x3f4/0x51c
[   28.989388]  ret_from_fork+0x10/0x20
[   28.990381] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   35.242222] WARNING: CPU: 0 PID: 416 at lib/math/int_log.c:63 intlog2+0xd4/0xec
[   35.243762] Modules linked in:
[   35.244566] CPU: 0 UID: 0 PID: 416 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc4 #1 PREEMPT 
[   35.245657] Tainted: [D]=DIE, [N]=TEST
[   35.246090] Hardware name: linux,dummy-virt (DT)
[   35.247229] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   35.247624] pc : intlog2+0xd4/0xec
[   35.248082] lr : intlog2_test+0xdc/0x1e0
[   35.248607] sp : ffff800080fd7bf0
[   35.248988] x29: ffff800080fd7bf0 x28: 0000000000000000 x27: 0000000000000000
[   35.249948] x26: 0000000000000000 x25: fff00000c7a48000 x24: fff00000c7a48000
[   35.250814] x23: 0000000000000000 x22: ffff9210161e9238 x21: ffff921014b3fca0
[   35.251585] x20: 1ffff000101faf86 x19: ffff800080087a00 x18: 00000000000010d8
[   35.252341] x17: 00000000000010e0 x16: 00000000000010e8 x15: 00000000000010f0
[   35.253133] x14: 00000000000010f8 x13: ffff7242033fd131 x12: 1ffff242033fd130
[   35.253848] x11: 1ffff242033fd130 x10: ffff7242033fd130 x9 : dfff800000000000
[   35.254586] x8 : 0000000000000001 x7 : ffff7242033fd131 x6 : ffff921019fe8983
[   35.255319] x5 : 0000000041b58ab3 x4 : ffff7000101faf86 x3 : 1ffff24202967f94
[   35.256035] x2 : 1ffff24202967f94 x1 : 0000000000000003 x0 : 0000000000000000
[   35.256969] Call trace:
[   35.257271]  intlog2+0xd4/0xec (P)
[   35.257777]  kunit_try_run_case+0x144/0x3bc
[   35.258262]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   35.259062]  kthread+0x3f0/0x744
[   35.259469]  ret_from_fork+0x10/0x20
[   35.259999] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  109.131672] WARNING: CPU: 0 PID: 655 at lib/math/int_log.c:63 intlog2+0xdf/0x110
[  109.132079] Modules linked in:
[  109.132590] CPU: 0 UID: 0 PID: 655 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[  109.133256] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  109.133443] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  109.133883] RIP: 0010:intlog2+0xdf/0x110
[  109.134288] Code: e9 8c 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 12 9c 86 02 90 <0f> 0b 90 31 c0 e9 07 9c 86 02 89 45 e4 e8 0f 00 56 ff 8b 45 e4 eb
[  109.134997] RSP: 0000:ffff88810375fcb0 EFLAGS: 00010246
[  109.135583] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110206ebfb4
[  109.136029] RDX: 1ffffffff19d2c18 RSI: 1ffff110206ebfb3 RDI: 0000000000000000
[  109.136482] RBP: ffff88810375fd60 R08: 0000000000000000 R09: ffffed1020781e40
[  109.136774] R10: ffff888103c0f207 R11: 0000000000000000 R12: 1ffff110206ebf97
[  109.137306] R13: ffffffff8ce960c0 R14: 0000000000000000 R15: ffff88810375fd38
[  109.137717] FS:  0000000000000000(0000) GS:ffff8881cc074000(0000) knlGS:0000000000000000
[  109.138301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.138683] CR2: dffffc0000000000 CR3: 00000001208bc000 CR4: 00000000000006f0
[  109.139155] DR0: ffffffff8f050440 DR1: ffffffff8f050441 DR2: ffffffff8f050442
[  109.139580] DR3: ffffffff8f050443 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  109.140014] Call Trace:
[  109.140352]  <TASK>
[  109.140639]  ? intlog2_test+0xf2/0x220
[  109.140858]  ? __pfx_intlog2_test+0x10/0x10
[  109.141256]  ? __schedule+0x10cc/0x2b60
[  109.141571]  ? __pfx_read_tsc+0x10/0x10
[  109.141881]  ? ktime_get_ts64+0x86/0x230
[  109.142293]  kunit_try_run_case+0x1a5/0x480
[  109.142630]  ? __pfx_kunit_try_run_case+0x10/0x10
[  109.142864]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  109.143287]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  109.143646]  ? __kthread_parkme+0x82/0x180
[  109.144023]  ? preempt_count_sub+0x50/0x80
[  109.144383]  ? __pfx_kunit_try_run_case+0x10/0x10
[  109.144752]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  109.145267]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  109.145669]  kthread+0x337/0x6f0
[  109.145852]  ? trace_preempt_on+0x20/0xc0
[  109.146240]  ? __pfx_kthread+0x10/0x10
[  109.146544]  ? _raw_spin_unlock_irq+0x47/0x80
[  109.146865]  ? calculate_sigpending+0x7b/0xa0
[  109.147306]  ? __pfx_kthread+0x10/0x10
[  109.147511]  ret_from_fork+0x116/0x1d0
[  109.147888]  ? __pfx_kthread+0x10/0x10
[  109.148243]  ret_from_fork_asm+0x1a/0x30
[  109.148563]  </TASK>
[  109.148827] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details