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Date
July 9, 2025, 12:11 a.m.

Environment
qemu-arm64
qemu-x86_64 

------------[ cut here ]------------
[   26.406818] WARNING: CPU: 0 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   26.408987] Modules linked in:
[   26.409453] CPU: 0 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   26.410646] Tainted: [D]=DIE, [N]=TEST
[   26.411061] Hardware name: linux,dummy-virt (DT)
[   26.411715] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   26.412398] pc : intlog2+0xb8/0x118
[   26.412890] lr : intlog2_test+0x88/0x180
[   26.413505] sp : ffff800081ff7cd0
[   26.414153] x29: ffff800081ff7cf0 x28: dfff800000000000 x27: 1ffe000018fb3255
[   26.414836] x26: fff00000c7d68b20 x25: ffff8000800878a8 x24: 0000000000000000
[   26.415311] x23: dfff800000000000 x22: fff00000c7d99c98 x21: ffff93f2a775e7d0
[   26.415686] x20: ffff93f2a5bd6840 x19: ffff800080087b08 x18: ffff800080097920
[   26.416656] x17: ffff80008009791c x16: 0000000000001930 x15: 0000000000000001
[   26.417832] x14: 1ffff27e551a2280 x13: 0000000000000000 x12: 0000000000000000
[   26.418590] x11: ffff727e551a2281 x10: 0000000000000017 x9 : 0000000000000007
[   26.419367] x8 : 0000000000000000 x7 : ffff80008009792c x6 : 0000000000000014
[   26.420179] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff93f2a317d234
[   26.420728] x2 : 0000000000000000 x1 : 00000000004be6be x0 : 0000000000000000
[   26.421099] Call trace:
[   26.421241]  intlog2+0xb8/0x118 (P)
[   26.421436]  intlog2_test+0x88/0x180
[   26.421621]  kunit_try_run_case+0x118/0x31c
[   26.421862]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   26.422210]  kthread+0x3f4/0x51c
[   26.422445]  ret_from_fork+0x10/0x20
[   26.422747] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   97.423306] WARNING: CPU: 1 PID: 639 at lib/math/int_log.c:63 intlog2+0xd8/0xf8
[   97.425885] Modules linked in:
[   97.426170] CPU: 1 UID: 0 PID: 639 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc5 #1 PREEMPT 
[   97.426769] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   97.426982] Hardware name: linux,dummy-virt (DT)
[   97.427344] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   97.427716] pc : intlog2+0xd8/0xf8
[   97.427914] lr : intlog2_test+0xe4/0x200
[   97.428254] sp : ffff8000821e7c10
[   97.428574] x29: ffff8000821e7c90 x28: 0000000000000000 x27: 0000000000000000
[   97.429042] x26: 1ffe000018dd5a61 x25: 0000000000000000 x24: ffff8000821e7ce0
[   97.429465] x23: ffff8000821e7d00 x22: 0000000000000000 x21: 1ffff0001043cf82
[   97.429871] x20: ffffaa5613489d80 x19: ffff800080087990 x18: 000000003728d8a9
[   97.430337] x17: 0000000000c9cf95 x16: fff00000c0975c3c x15: fff00000ff616b08
[   97.430771] x14: 00000000f1f1f1f1 x13: 1ffe00001b48a5cd x12: ffff754ac2e63379
[   97.431274] x11: 1ffff54ac2e63378 x10: ffff754ac2e63378 x9 : ffffaa5610a3521c
[   97.431695] x8 : ffffaa5617319bc3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   97.432093] x5 : ffff70001043cf82 x4 : 1ffff00010010f3a x3 : 1ffff54ac26913b0
[   97.432527] x2 : 1ffff54ac26913b0 x1 : 0000000000000003 x0 : 0000000000000000
[   97.432942] Call trace:
[   97.433128]  intlog2+0xd8/0xf8 (P)
[   97.433348]  kunit_try_run_case+0x170/0x3f0
[   97.433629]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   97.433915]  kthread+0x328/0x630
[   97.434102]  ret_from_fork+0x10/0x20
[   97.434317] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   27.114631] WARNING: CPU: 0 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   27.119659] Modules linked in:
[   27.119958] CPU: 0 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   27.120485] Tainted: [D]=DIE, [N]=TEST
[   27.120701] Hardware name: linux,dummy-virt (DT)
[   27.120986] pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   27.121293] pc : intlog2+0xb8/0x118
[   27.121555] lr : intlog2_test+0x88/0x180
[   27.121803] sp : ffff800081fc7cd0
[   27.122031] x29: ffff800081fc7cf0 x28: dfff800000000000 x27: 1ffe000018f804a5
[   27.122512] x26: fff00000c7b52ba0 x25: ffff8000800878a8 x24: 0000000000000000
[   27.122985] x23: dfff800000000000 x22: fff00000c7c02f18 x21: ffff91c2ed75e7d0
[   27.123397] x20: ffff91c2ebbe58a0 x19: ffff800080087b08 x18: ffff800080097920
[   27.124158] x17: ffff80008009791c x16: 0000000000000000 x15: 0000000000000001
[   27.124608] x14: 1ffff2385dda2080 x13: 0000000000000000 x12: 0000000000000000
[   27.125075] x11: ffff72385dda2081 x10: 0000000000000017 x9 : 0000000000000007
[   27.125562] x8 : 0000000000000000 x7 : ffff80008009792c x6 : 0000000000000014
[   27.126033] x5 : 000000005c0ff8ef x4 : 0000000000000001 x3 : ffff91c2e9183964
[   27.126529] x2 : 0000000000000000 x1 : 000000000049ded7 x0 : 0000000000000000
[   27.127004] Call trace:
[   27.127226]  intlog2+0xb8/0x118 (P)
[   27.127516]  intlog2_test+0x88/0x180
[   27.127737]  kunit_try_run_case+0x118/0x31c
[   27.128002]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   27.128392]  kthread+0x3f4/0x51c
[   27.128645]  ret_from_fork+0x10/0x20
[   27.128935] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   28.300282] WARNING: CPU: 1 PID: 414 at lib/math/int_log.c:63 intlog2+0xd0/0xe8
[   28.300943] Modules linked in:
[   28.302579] CPU: 1 UID: 0 PID: 414 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   28.304447] Tainted: [D]=DIE, [N]=TEST
[   28.304681] Hardware name: linux,dummy-virt (DT)
[   28.304903] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   28.305287] pc : intlog2+0xd0/0xe8
[   28.305491] lr : intlog2_test+0xdc/0x1f0
[   28.305710] sp : ffff800080e87c10
[   28.305897] x29: ffff800080e87c90 x28: 0000000000000000 x27: 0000000000000000
[   28.307586] x26: 1ffe000018f144e1 x25: fff00000c79c8000 x24: 0000000000000004
[   28.307935] x23: fff00000c79c8000 x22: 0000000000000000 x21: 1ffff000101d0f82
[   28.308308] x20: ffffa1127b0cfe00 x19: ffff8000800879a0 x18: 00000000706577f3
[   28.308641] x17: 000000007142bfe1 x16: fff00000c089773c x15: 0000000000007eb0
[   28.308970] x14: 1ffe00001b51ecd5 x13: ffffc1ffc31e5d80 x12: ffff74224fcc3d39
[   28.309310] x11: 1ffff4224fcc3d38 x10: ffff74224fcc3d38 x9 : dfff800000000000
[   28.309824] x8 : ffffa1127e61e9c3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   28.310572] x5 : ffff7000101d0f82 x4 : 1ffff00010010f3c x3 : 1ffff4224f619fc0
[   28.312248] x2 : 1ffff4224f619fc0 x1 : 0000000000000003 x0 : 0000000000000000
[   28.313036] Call trace:
[   28.313356]  intlog2+0xd0/0xe8 (P)
[   28.313825]  kunit_try_run_case+0x144/0x3bc
[   28.314389]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   28.314958]  kthread+0x37c/0x67c
[   28.315375]  ret_from_fork+0x10/0x20
[   28.315907] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   31.875612] WARNING: CPU: 1 PID: 415 at lib/math/int_log.c:63 intlog2+0xd4/0xec
[   31.877854] Modules linked in:
[   31.878838] CPU: 1 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc5 #1 PREEMPT 
[   31.879993] Tainted: [D]=DIE, [N]=TEST
[   31.880609] Hardware name: linux,dummy-virt (DT)
[   31.881264] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   31.882123] pc : intlog2+0xd4/0xec
[   31.882523] lr : intlog2_test+0xdc/0x1e0
[   31.882731] sp : ffff800080f07bf0
[   31.882896] x29: ffff800080f07bf0 x28: 0000000000000000 x27: 0000000000000000
[   31.883274] x26: 0000000000000000 x25: fff00000c7959280 x24: fff00000c7959280
[   31.883673] x23: 0000000000000000 x22: ffffa79931be7bb8 x21: ffffa7993053fc60
[   31.884458] x20: 1ffff000101e0f86 x19: ffff800080087a00 x18: 00000000000010d8
[   31.885331] x17: 00000000000010e0 x16: 00000000000010e8 x15: 00000000000010f0
[   31.886097] x14: 00000000000010f8 x13: ffff74f326b3d129 x12: 1ffff4f326b3d128
[   31.886470] x11: 1ffff4f326b3d128 x10: ffff74f326b3d128 x9 : dfff800000000000
[   31.886848] x8 : 0000000000000001 x7 : ffff74f326b3d129 x6 : ffffa799359e8943
[   31.887208] x5 : 0000000041b58ab3 x4 : ffff7000101e0f86 x3 : 1ffff4f3260a7f8c
[   31.887587] x2 : 1ffff4f3260a7f8c x1 : 0000000000000003 x0 : 0000000000000000
[   31.888017] Call trace:
[   31.888216]  intlog2+0xd4/0xec (P)
[   31.888839]  kunit_try_run_case+0x144/0x3bc
[   31.889082]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   31.889367]  kthread+0x3f0/0x744
[   31.889626]  ret_from_fork+0x10/0x20
[   31.889982] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  107.273653] WARNING: CPU: 1 PID: 655 at lib/math/int_log.c:63 intlog2+0xdf/0x110
[  107.274814] Modules linked in:
[  107.275298] CPU: 1 UID: 0 PID: 655 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[  107.276323] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  107.276822] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.277555] RIP: 0010:intlog2+0xdf/0x110
[  107.278043] Code: 69 92 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
[  107.278832] RSP: 0000:ffff888102667cb0 EFLAGS: 00010246
[  107.279434] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110204ccfb4
[  107.280173] RDX: 1ffffffff24d2e08 RSI: 1ffff110204ccfb3 RDI: 0000000000000000
[  107.280848] RBP: ffff888102667d60 R08: 0000000000000000 R09: ffffed102196a060
[  107.281674] R10: ffff88810cb50307 R11: 0000000000000000 R12: 1ffff110204ccf97
[  107.282294] R13: ffffffff92697040 R14: 0000000000000000 R15: ffff888102667d38
[  107.282555] FS:  0000000000000000(0000) GS:ffff8881c6972000(0000) knlGS:0000000000000000
[  107.283207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.283770] CR2: dffffc0000000000 CR3: 00000001088bc000 CR4: 00000000000006f0
[  107.284544] DR0: ffffffff94852444 DR1: ffffffff94852449 DR2: ffffffff9485244a
[  107.284751] DR3: ffffffff9485244b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  107.284958] Call Trace:
[  107.285065]  <TASK>
[  107.285154]  ? intlog2_test+0xf2/0x220
[  107.285305]  ? __pfx_intlog2_test+0x10/0x10
[  107.285448]  ? __schedule+0x10cc/0x2b60
[  107.285587]  ? __pfx_read_tsc+0x10/0x10
[  107.285723]  ? ktime_get_ts64+0x86/0x230
[  107.285862]  kunit_try_run_case+0x1a5/0x480
[  107.286006]  ? __pfx_kunit_try_run_case+0x10/0x10
[  107.286693]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  107.287255]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  107.287814]  ? __kthread_parkme+0x82/0x180
[  107.288434]  ? preempt_count_sub+0x50/0x80
[  107.288855]  ? __pfx_kunit_try_run_case+0x10/0x10
[  107.289450]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  107.290036]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  107.290615]  kthread+0x337/0x6f0
[  107.291050]  ? trace_preempt_on+0x20/0xc0
[  107.291498]  ? __pfx_kthread+0x10/0x10
[  107.291876]  ? _raw_spin_unlock_irq+0x47/0x80
[  107.292506]  ? calculate_sigpending+0x7b/0xa0
[  107.292998]  ? __pfx_kthread+0x10/0x10
[  107.293505]  ret_from_fork+0x116/0x1d0
[  107.293908]  ? __pfx_kthread+0x10/0x10
[  107.294419]  ret_from_fork_asm+0x1a/0x30
[  107.294831]  </TASK>
[  107.295205] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details