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Date
July 9, 2025, 2:07 p.m.

Environment
qemu-arm64
qemu-x86_64 

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[   95.467161] WARNING: CPU: 0 PID: 638 at lib/math/int_log.c:63 intlog2+0xd8/0xf8
[   95.468966] Modules linked in:
[   95.469682] CPU: 0 UID: 0 PID: 638 Comm: kunit_try_catch Tainted: G    B D W        N  6.16.0-rc5 #1 PREEMPT 
[   95.470929] Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN, [N]=TEST
[   95.471484] Hardware name: linux,dummy-virt (DT)
[   95.472210] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   95.472996] pc : intlog2+0xd8/0xf8
[   95.473432] lr : intlog2_test+0xe4/0x200
[   95.473978] sp : ffff8000821d7c10
[   95.474222] x29: ffff8000821d7c90 x28: 0000000000000000 x27: 0000000000000000
[   95.474802] x26: 1ffe000018f7d741 x25: 0000000000000000 x24: ffff8000821d7ce0
[   95.475778] x23: ffff8000821d7d00 x22: 0000000000000000 x21: 1ffff0001043af82
[   95.476554] x20: ffffa8ee96a89d80 x19: ffff800080087990 x18: 0000000055453ec3
[   95.476899] x17: 0000000063a28f22 x16: fff00000c097583c x15: 000000005930dd65
[   95.477578] x14: 00000000f1f1f1f1 x13: 1ffe00001b48e9cd x12: ffff751dd3523379
[   95.478431] x11: 1ffff51dd3523378 x10: ffff751dd3523378 x9 : ffffa8ee9403521c
[   95.479322] x8 : ffffa8ee9a919bc3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   95.480112] x5 : ffff70001043af82 x4 : 1ffff00010010f3a x3 : 1ffff51dd2d513b0
[   95.480831] x2 : 1ffff51dd2d513b0 x1 : 0000000000000003 x0 : 0000000000000000
[   95.481183] Call trace:
[   95.481323]  intlog2+0xd8/0xf8 (P)
[   95.481515]  kunit_try_run_case+0x170/0x3f0
[   95.481847]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   95.482319]  kthread+0x328/0x630
[   95.482537]  ret_from_fork+0x10/0x20
[   95.482731] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   28.316252] WARNING: CPU: 0 PID: 416 at lib/math/int_log.c:63 intlog2+0xd0/0xe8
[   28.319858] Modules linked in:
[   28.320611] CPU: 0 UID: 0 PID: 416 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   28.321565] Tainted: [D]=DIE, [N]=TEST
[   28.322167] Hardware name: linux,dummy-virt (DT)
[   28.322923] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   28.324008] pc : intlog2+0xd0/0xe8
[   28.324535] lr : intlog2_test+0xdc/0x1f0
[   28.325097] sp : ffff800081fd7c10
[   28.325582] x29: ffff800081fd7c90 x28: 0000000000000000 x27: 0000000000000000
[   28.326558] x26: 1ffe000018f0f101 x25: fff00000c797b780 x24: 0000000000000004
[   28.327540] x23: fff00000c797b780 x22: 0000000000000000 x21: 1ffff000103faf82
[   28.328218] x20: ffff9d39afacfe00 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   28.328549] x17: fff00000c0369288 x16: fff00000c089763c x15: 0000000000007eb0
[   28.328873] x14: 1ffe00001b521cd5 x13: 1ffe000018f2f6f2 x12: ffff73a736603d39
[   28.329900] x11: 1ffff3a736603d38 x10: ffff73a736603d38 x9 : dfff800000000000
[   28.330968] x8 : ffff9d39b301e9c3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   28.332008] x5 : ffff7000103faf82 x4 : 1ffff00010010f3c x3 : 1ffff3a735f59fc0
[   28.333057] x2 : 1ffff3a735f59fc0 x1 : 0000000000000003 x0 : 0000000000000000
[   28.334040] Call trace:
[   28.334554]  intlog2+0xd0/0xe8 (P)
[   28.335076]  kunit_try_run_case+0x144/0x3bc
[   28.335288]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   28.335535]  kthread+0x37c/0x67c
[   28.335708]  ret_from_fork+0x10/0x20
[   28.335970] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   31.388243] WARNING: CPU: 1 PID: 416 at lib/math/int_log.c:63 intlog2+0xd4/0xec
[   31.392362] Modules linked in:
[   31.392613] CPU: 1 UID: 0 PID: 416 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   31.393870] Tainted: [D]=DIE, [N]=TEST
[   31.394382] Hardware name: linux,dummy-virt (DT)
[   31.394956] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   31.395673] pc : intlog2+0xd4/0xec
[   31.396098] lr : intlog2_test+0xdc/0x1e0
[   31.396744] sp : ffff800080e87bf0
[   31.397113] x29: ffff800080e87bf0 x28: 0000000000000000 x27: 0000000000000000
[   31.397510] x26: 0000000000000000 x25: fff00000c795dc80 x24: fff00000c795dc80
[   31.397874] x23: 0000000000000000 x22: ffffac859b7e7bb8 x21: ffffac859a13fc60
[   31.398242] x20: 1ffff000101d0f86 x19: ffff800080087a00 x18: 00000000000010d8
[   31.399007] x17: 00000000000010e0 x16: 00000000000010e8 x15: 00000000000010f0
[   31.399865] x14: 00000000000010f8 x13: ffff7590b3ebd129 x12: 1ffff590b3ebd128
[   31.400733] x11: 1ffff590b3ebd128 x10: ffff7590b3ebd128 x9 : dfff800000000000
[   31.401507] x8 : 0000000000000001 x7 : ffff7590b3ebd129 x6 : ffffac859f5e8943
[   31.402249] x5 : 0000000041b58ab3 x4 : ffff7000101d0f86 x3 : 1ffff590b3427f8c
[   31.403005] x2 : 1ffff590b3427f8c x1 : 0000000000000003 x0 : 0000000000000000
[   31.403858] Call trace:
[   31.404218]  intlog2+0xd4/0xec (P)
[   31.404658]  kunit_try_run_case+0x144/0x3bc
[   31.405102]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   31.405689]  kthread+0x3f0/0x744
[   31.406071]  ret_from_fork+0x10/0x20
[   31.406558] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   27.199737] WARNING: CPU: 1 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   27.204098] Modules linked in:
[   27.205235] CPU: 1 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   27.206229] Tainted: [D]=DIE, [N]=TEST
[   27.206712] Hardware name: linux,dummy-virt (DT)
[   27.207191] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   27.207530] pc : intlog2+0xb8/0x118
[   27.207960] lr : intlog2_test+0x88/0x180
[   27.208394] sp : ffff800081fc7cd0
[   27.208745] x29: ffff800081fc7cf0 x28: dfff800000000000 x27: 1ffe000018f804a5
[   27.209518] x26: fff00000c7b0f2a0 x25: ffff8000800878a8 x24: 0000000000000000
[   27.209935] x23: dfff800000000000 x22: fff00000c7c02f18 x21: ffffa2516e75e7d0
[   27.210392] x20: ffffa2516cbe58a0 x19: ffff800080087b08 x18: ffff800080097920
[   27.211393] x17: ffff80008009791c x16: 0000000000000000 x15: 0000000000000001
[   27.211948] x14: 1ffff44a2dfa2080 x13: 0000000000000000 x12: 0000000000000000
[   27.212325] x11: ffff744a2dfa2081 x10: 0000000000000017 x9 : 0000000000000007
[   27.212689] x8 : 0000000000000000 x7 : ffff80008009792c x6 : 0000000000000014
[   27.213053] x5 : 00000000b6391d10 x4 : 0000000000000000 x3 : ffffa2516a183964
[   27.213639] x2 : 0000000000000000 x1 : 0000000000388150 x0 : 0000000000000000
[   27.214424] Call trace:
[   27.214774]  intlog2+0xb8/0x118 (P)
[   27.215187]  intlog2_test+0x88/0x180
[   27.215630]  kunit_try_run_case+0x118/0x31c
[   27.216078]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   27.216619]  kthread+0x3f4/0x51c
[   27.216980]  ret_from_fork+0x10/0x20
[   27.217437] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  107.032987] WARNING: CPU: 1 PID: 655 at lib/math/int_log.c:63 intlog2+0xdf/0x110
[  107.033677] Modules linked in:
[  107.034016] CPU: 1 UID: 0 PID: 655 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[  107.035222] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  107.035390] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.035676] RIP: 0010:intlog2+0xdf/0x110
[  107.035946] Code: 89 a2 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 bf e8 55 ff 8b 45 e4 eb
[  107.038005] RSP: 0000:ffff888103f6fcb0 EFLAGS: 00010246
[  107.038513] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110207edfb4
[  107.039512] RDX: 1ffffffff4512e08 RSI: 1ffff110207edfb3 RDI: 0000000000000000
[  107.040330] RBP: ffff888103f6fd60 R08: 0000000000000000 R09: ffffed1020238c00
[  107.040554] R10: ffff8881011c6007 R11: 0000000000000000 R12: 1ffff110207edf97
[  107.040799] R13: ffffffffa2897040 R14: 0000000000000000 R15: ffff888103f6fd38
[  107.041639] FS:  0000000000000000(0000) GS:ffff8881b6772000(0000) knlGS:0000000000000000
[  107.042330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.042522] CR2: ffff88815a8fa000 CR3: 00000000354bc000 CR4: 00000000000006f0
[  107.042750] DR0: ffffffffa4a52444 DR1: ffffffffa4a52449 DR2: ffffffffa4a5244a
[  107.042978] DR3: ffffffffa4a5244b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  107.043382] Call Trace:
[  107.043522]  <TASK>
[  107.043625]  ? intlog2_test+0xf2/0x220
[  107.044081]  ? __pfx_intlog2_test+0x10/0x10
[  107.044322]  ? __schedule+0x10cc/0x2b60
[  107.044481]  ? __pfx_read_tsc+0x10/0x10
[  107.044678]  ? ktime_get_ts64+0x86/0x230
[  107.045128]  kunit_try_run_case+0x1a5/0x480
[  107.045386]  ? __pfx_kunit_try_run_case+0x10/0x10
[  107.045574]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  107.045934]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  107.046133]  ? __kthread_parkme+0x82/0x180
[  107.046366]  ? preempt_count_sub+0x50/0x80
[  107.046518]  ? __pfx_kunit_try_run_case+0x10/0x10
[  107.046781]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  107.047095]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  107.047502]  kthread+0x337/0x6f0
[  107.047716]  ? trace_preempt_on+0x20/0xc0
[  107.047950]  ? __pfx_kthread+0x10/0x10
[  107.048113]  ? _raw_spin_unlock_irq+0x47/0x80
[  107.048429]  ? calculate_sigpending+0x7b/0xa0
[  107.048663]  ? __pfx_kthread+0x10/0x10
[  107.049030]  ret_from_fork+0x116/0x1d0
[  107.049197]  ? __pfx_kthread+0x10/0x10
[  107.049357]  ret_from_fork_asm+0x1a/0x30
[  107.049573]  </TASK>
[  107.049742] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details