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Date
June 17, 2025, 6:35 a.m.

Environment
qemu-arm64
qemu-x86_64 

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[   96.033785] WARNING: lib/math/int_log.c:63 at intlog2+0xd8/0xf8, CPU#0: kunit_try_catch/647
[   96.037503] Modules linked in:
[   96.038096] CPU: 0 UID: 0 PID: 647 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250617 #1 PREEMPT 
[   96.039350] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   96.039834] Hardware name: linux,dummy-virt (DT)
[   96.040502] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   96.041316] pc : intlog2+0xd8/0xf8
[   96.041798] lr : intlog2_test+0xe4/0x200
[   96.042319] sp : ffff8000821d7c10
[   96.042877] x29: ffff8000821d7c90 x28: 0000000000000000 x27: 0000000000000000
[   96.043885] x26: 1ffe0000197a6281 x25: 0000000000000000 x24: ffff8000821d7ce0
[   96.044728] x23: ffff8000821d7d00 x22: 0000000000000000 x21: 1ffff0001043af82
[   96.045475] x20: ffffa3186cddb940 x19: ffff800080087990 x18: 000000000efa4df6
[   96.046276] x17: 0000000000000001 x16: fff00000c473603c x15: fff00000ff616b08
[   96.047191] x14: 0000000000018fff x13: 1ffe00001b4923cd x12: ffff74630e187381
[   96.047742] x11: 1ffff4630e187380 x10: ffff74630e187380 x9 : ffffa3186a43e854
[   96.048102] x8 : ffffa31870c39c03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   96.048448] x5 : ffff70001043af82 x4 : 1ffff00010010f3a x3 : 1ffff4630d9bb728
[   96.048785] x2 : 1ffff4630d9bb728 x1 : 0000000000000003 x0 : 0000000000000000
[   96.049559] Call trace:
[   96.049877]  intlog2+0xd8/0xf8 (P)
[   96.050302]  kunit_try_run_case+0x170/0x3f0
[   96.050793]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   96.051469]  kthread+0x328/0x630
[   96.051857]  ret_from_fork+0x10/0x20
[   96.052335] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   32.684648] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#1: kunit_try_catch/424
[   32.689935] Modules linked in:
[   32.692006] CPU: 1 UID: 0 PID: 424 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250617 #1 PREEMPT 
[   32.692893] Tainted: [D]=DIE, [N]=TEST
[   32.693191] Hardware name: linux,dummy-virt (DT)
[   32.693738] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   32.694706] pc : intlog2+0xb8/0x118
[   32.695187] lr : intlog2_test+0x88/0x180
[   32.695669] sp : ffff800081fa7cd0
[   32.696122] x29: ffff800081fa7cf0 x28: dfff800000000000 x27: 1ffe000018f816f5
[   32.697073] x26: fff00000c7be8620 x25: ffff8000800878a8 x24: 0000000000000000
[   32.697965] x23: dfff800000000000 x22: fff00000c7c0c198 x21: ffff9dca6c551430
[   32.698956] x20: ffff9dca6a9c7040 x19: ffff800080087b08 x18: ffff800080097930
[   32.699883] x17: ffff80008009792c x16: 0000000000000000 x15: 0000000000000001
[   32.700805] x14: 1ffff3b94db61880 x13: 0000000000000000 x12: 0000000000000000
[   32.701740] x11: ffff73b94db61881 x10: 0000000000000017 x9 : 0000000000000007
[   32.703358] x8 : 0000000000000000 x7 : ffff80008009793c x6 : 0000000000000014
[   32.704048] x5 : 0000000023ab9ddb x4 : 0000000000000000 x3 : ffff9dca67f896d4
[   32.705155] x2 : 0000000000000000 x1 : 00000000001af984 x0 : 0000000000000000
[   32.706085] Call trace:
[   32.706464]  intlog2+0xb8/0x118 (P)
[   32.707251]  intlog2_test+0x88/0x180
[   32.707773]  kunit_try_run_case+0x118/0x31c
[   32.708351]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   32.709089]  kthread+0x3f4/0x51c
[   32.709499]  ret_from_fork+0x10/0x20
[   32.709993] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   26.531501] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/423
[   26.532736] Modules linked in:
[   26.533706] CPU: 0 UID: 0 PID: 423 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250617 #1 PREEMPT 
[   26.534941] Tainted: [D]=DIE, [N]=TEST
[   26.535542] Hardware name: linux,dummy-virt (DT)
[   26.536211] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   26.537103] pc : intlog2+0xb8/0x118
[   26.537707] lr : intlog2_test+0x88/0x180
[   26.538158] sp : ffff800082017cd0
[   26.538330] x29: ffff800082017cf0 x28: dfff800000000000 x27: 1ffe000018f636f5
[   26.538712] x26: fff00000c7b3c3a0 x25: ffff8000800878a8 x24: 0000000000000000
[   26.539078] x23: dfff800000000000 x22: fff00000c7b1c198 x21: ffff935803741570
[   26.539444] x20: ffff935801bb7140 x19: ffff800080087b08 x18: ffff800080097940
[   26.540255] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   26.541067] x14: 1ffff26b0099f880 x13: 0000000000000000 x12: 0000000000000000
[   26.541870] x11: ffff726b0099f881 x10: 0000000000000017 x9 : 0000000000000007
[   26.542639] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   26.543400] x5 : 00000000612e7eba x4 : 0000000000000000 x3 : ffff9357ff1841cc
[   26.544157] x2 : 0000000000000000 x1 : 000000000039ea50 x0 : 0000000000000000
[   26.544947] Call trace:
[   26.545308]  intlog2+0xb8/0x118 (P)
[   26.545741]  intlog2_test+0x88/0x180
[   26.546162]  kunit_try_run_case+0x118/0x31c
[   26.546622]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   26.547194]  kthread+0x3f4/0x51c
[   26.547581]  ret_from_fork+0x10/0x20
[   26.548028] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   38.692085] WARNING: lib/math/int_log.c:63 at intlog2+0xd0/0xe8, CPU#1: kunit_try_catch/425
[   38.696403] Modules linked in:
[   38.697247] CPU: 1 UID: 0 PID: 425 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250617 #1 PREEMPT 
[   38.698802] Tainted: [D]=DIE, [N]=TEST
[   38.699415] Hardware name: linux,dummy-virt (DT)
[   38.699980] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   38.700584] pc : intlog2+0xd0/0xe8
[   38.701101] lr : intlog2_test+0xdc/0x1f0
[   38.701764] sp : ffff800080fd7c10
[   38.702221] x29: ffff800080fd7c90 x28: 0000000000000000 x27: 0000000000000000
[   38.703170] x26: 1ffe000018f25321 x25: fff00000c7989280 x24: 0000000000000004
[   38.704090] x23: fff00000c7989280 x22: 0000000000000000 x21: 1ffff000101faf82
[   38.705074] x20: ffff9884cc2a2000 x19: ffff8000800879a0 x18: 000000009253c900
[   38.706405] x17: 0000000000000001 x16: fff00000da914568 x15: 0000000000007eb0
[   38.707328] x14: 1ffff00010010d80 x13: 1ffe000018a80564 x12: ffff731099efef41
[   38.708298] x11: 1ffff31099efef40 x10: ffff731099efef40 x9 : dfff800000000000
[   38.709407] x8 : ffff9884cf7f7a03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   38.710354] x5 : ffff7000101faf82 x4 : 1ffff00010010f3c x3 : 1ffff31099854400
[   38.711282] x2 : 1ffff31099854400 x1 : 0000000000000003 x0 : 0000000000000000
[   38.712183] Call trace:
[   38.713043]  intlog2+0xd0/0xe8 (P)
[   38.713514]  kunit_try_run_case+0x144/0x3bc
[   38.714016]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   38.714669]  kthread+0x37c/0x67c
[   38.715140]  ret_from_fork+0x10/0x20
[   38.715748] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  152.071342] WARNING: lib/math/int_log.c:63 at intlog2+0xdf/0x110, CPU#1: kunit_try_catch/665
[  152.072271] Modules linked in:
[  152.072972] CPU: 1 UID: 0 PID: 665 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) 
[  152.074340] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  152.074728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  152.075441] RIP: 0010:intlog2+0xdf/0x110
[  152.076645] Code: 69 bd 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 92 ab 88 02 90 <0f> 0b 90 31 c0 e9 87 ab 88 02 89 45 e4 e8 bf 09 56 ff 8b 45 e4 eb
[  152.078644] RSP: 0000:ffff88810928fcb0 EFLAGS: 00010246
[  152.079490] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff11021251fb4
[  152.080069] RDX: 1ffffffff7ad2f44 RSI: 1ffff11021251fb3 RDI: 0000000000000000
[  152.081044] RBP: ffff88810928fd60 R08: 0000000000000000 R09: ffffed1020efa0a0
[  152.081759] R10: ffff8881077d0507 R11: 0000000000000000 R12: 1ffff11021251f97
[  152.082304] R13: ffffffffbd697a20 R14: 0000000000000000 R15: ffff88810928fd38
[  152.083178] FS:  0000000000000000(0000) GS:ffff88819b969000(0000) knlGS:0000000000000000
[  152.083942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.084852] CR2: dffffc0000000000 CR3: 00000000210bc000 CR4: 00000000000006f0
[  152.085466] DR0: ffffffffbf85b444 DR1: ffffffffbf85b449 DR2: ffffffffbf85b44a
[  152.086070] DR3: ffffffffbf85b44b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  152.086717] Call Trace:
[  152.086972]  <TASK>
[  152.087797]  ? intlog2_test+0xf2/0x220
[  152.088492]  ? __pfx_intlog2_test+0x10/0x10
[  152.088908]  ? __schedule+0x10cc/0x2b60
[  152.089423]  ? __pfx_read_tsc+0x10/0x10
[  152.089822]  ? ktime_get_ts64+0x86/0x230
[  152.090247]  kunit_try_run_case+0x1a5/0x480
[  152.090857]  ? __pfx_kunit_try_run_case+0x10/0x10
[  152.091738]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  152.092154]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  152.092581]  ? __kthread_parkme+0x82/0x180
[  152.093111]  ? preempt_count_sub+0x50/0x80
[  152.093693]  ? __pfx_kunit_try_run_case+0x10/0x10
[  152.094119]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  152.094603]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  152.095833]  kthread+0x337/0x6f0
[  152.096175]  ? trace_preempt_on+0x20/0xc0
[  152.096709]  ? __pfx_kthread+0x10/0x10
[  152.097076]  ? _raw_spin_unlock_irq+0x47/0x80
[  152.097582]  ? calculate_sigpending+0x7b/0xa0
[  152.097969]  ? __pfx_kthread+0x10/0x10
[  152.098470]  ret_from_fork+0x116/0x1d0
[  152.098871]  ? __pfx_kthread+0x10/0x10
[  152.099717]  ret_from_fork_asm+0x1a/0x30
[  152.100184]  </TASK>
[  152.100637] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details