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Date
May 15, 2025, 10:38 a.m.

Environment
qemu-arm64
qemu-x86_64 

------------[ cut here ]------------
[   24.735587] WARNING: CPU: 1 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   24.736281] Modules linked in:
[   24.736615] CPU: 1 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   24.737362] Tainted: [D]=DIE, [N]=TEST
[   24.737502] Hardware name: linux,dummy-virt (DT)
[   24.738024] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   24.738570] pc : intlog2+0xb8/0x118
[   24.738725] lr : intlog2_test+0x88/0x180
[   24.738914] sp : ffff8000820e7cd0
[   24.739098] x29: ffff8000820e7cf0 x28: dfff800000000000 x27: 1ffe000018fbb005
[   24.739403] x26: fff00000c7db30a0 x25: ffff8000800878a8 x24: 0000000000000000
[   24.739789] x23: dfff800000000000 x22: fff00000c7dd8a18 x21: ffff96b48a34d3f0
[   24.740188] x20: ffff96b4887d4620 x19: ffff800080087b08 x18: 0000000000000002
[   24.740567] x17: 0000000000000075 x16: 0000000000000000 x15: 0000000000000001
[   24.741037] x14: 1ffff2d691720478 x13: 0000000000000000 x12: 0000000000000000
[   24.741712] x11: ffff72d691720479 x10: 0000000000000017 x9 : 0000000000000007
[   24.742086] x8 : 0000000000000000 x7 : 000000007a3bbc47 x6 : 000000009d4b5116
[   24.742370] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff96b485d7de8c
[   24.742914] x2 : 0000000000000000 x1 : 00000000002e2f6c x0 : 0000000000000000
[   24.743379] Call trace:
[   24.743533]  intlog2+0xb8/0x118 (P)
[   24.743729]  intlog2_test+0x88/0x180
[   24.743894]  kunit_try_run_case+0x118/0x31c
[   24.744147]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   24.744457]  kthread+0x3f4/0x518
[   24.744691]  ret_from_fork+0x10/0x20
[   24.744952] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   95.756894] WARNING: CPU: 1 PID: 638 at lib/math/int_log.c:63 intlog2+0xd8/0xf8
[   95.759030] Modules linked in:
[   95.759716] CPU: 1 UID: 0 PID: 638 Comm: kunit_try_catch Tainted: G    B D          N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   95.760853] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   95.761072] Hardware name: linux,dummy-virt (DT)
[   95.761739] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   95.762829] pc : intlog2+0xd8/0xf8
[   95.763295] lr : intlog2_test+0xe4/0x200
[   95.763928] sp : ffff8000820a7c10
[   95.764417] x29: ffff8000820a7c90 x28: 0000000000000000 x27: 0000000000000000
[   95.765213] x26: 1ffe0000182e4661 x25: 0000000000000000 x24: ffff8000820a7ce0
[   95.766168] x23: ffff8000820a7d00 x22: 0000000000000000 x21: 1ffff00010414f82
[   95.766988] x20: ffff950704478300 x19: ffff800080087990 x18: 00000000f82703a8
[   95.767349] x17: 00000000b72a11d1 x16: 0000000000000100 x15: 00000000005fc93d
[   95.767683] x14: 00000000f1f1f1f1 x13: 1ffe00001b48e981 x12: ffff72a0e1061579
[   95.768015] x11: 1ffff2a0e1061578 x10: ffff72a0e1061578 x9 : ffff950701a21084
[   95.769121] x8 : ffff95070830abc3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   95.770279] x5 : ffff700010414f82 x4 : 1ffff00010010f3a x3 : 1ffff2a0e088f060
[   95.771479] x2 : 1ffff2a0e088f060 x1 : 0000000000000003 x0 : 0000000000000000
[   95.772393] Call trace:
[   95.772897]  intlog2+0xd8/0xf8 (P)
[   95.773499]  kunit_try_run_case+0x170/0x3f0
[   95.774059]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   95.774843]  kthread+0x328/0x630
[   95.775363]  ret_from_fork+0x10/0x20
[   95.775845] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   38.570762] WARNING: CPU: 0 PID: 415 at lib/math/int_log.c:63 intlog2+0xd0/0xe8
[   38.577187] Modules linked in:
[   38.577951] CPU: 0 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   38.579985] Tainted: [D]=DIE, [N]=TEST
[   38.580708] Hardware name: linux,dummy-virt (DT)
[   38.581118] pstate: 11400009 (nzcV daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   38.582236] pc : intlog2+0xd0/0xe8
[   38.582950] lr : intlog2_test+0xdc/0x1f0
[   38.583498] sp : ffff800080fb7c10
[   38.583907] x29: ffff800080fb7c90 x28: 0000000000000000 x27: 0000000000000000
[   38.584571] x26: 1ffe000018e90a01 x25: fff00000c7a72500 x24: 0000000000000004
[   38.585234] x23: fff00000c7a72500 x22: 0000000000000000 x21: 1ffff000101f6f82
[   38.586484] x20: ffff9bab7debea80 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   38.587752] x17: fff00000c0369288 x16: fff00000c089763c x15: 0000000000007eb0
[   38.588565] x14: 1ffe00001b5220d5 x13: 1ffe000018f4e4a2 x12: ffff737570282139
[   38.589363] x11: 1ffff37570282138 x10: ffff737570282138 x9 : dfff800000000000
[   38.590466] x8 : ffff9bab814109c3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   38.591562] x5 : ffff7000101f6f82 x4 : 1ffff00010010f3c x3 : 1ffff3756fbd7d50
[   38.592486] x2 : 1ffff3756fbd7d50 x1 : 0000000000000003 x0 : 0000000000000000
[   38.593361] Call trace:
[   38.593732]  intlog2+0xd0/0xe8 (P)
[   38.594157]  kunit_try_run_case+0x144/0x3bc
[   38.594777]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   38.595401]  kthread+0x37c/0x67c
[   38.596139]  ret_from_fork+0x10/0x20
[   38.596807] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   26.233969] WARNING: CPU: 0 PID: 415 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   26.236905] Modules linked in:
[   26.237567] CPU: 0 UID: 0 PID: 415 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   26.238736] Tainted: [D]=DIE, [N]=TEST
[   26.239333] Hardware name: linux,dummy-virt (DT)
[   26.239817] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   26.240098] pc : intlog2+0xb8/0x118
[   26.240296] lr : intlog2_test+0x88/0x180
[   26.240484] sp : ffff8000820e7cd0
[   26.240643] x29: ffff8000820e7cf0 x28: dfff800000000000 x27: 1ffe000018f49945
[   26.241012] x26: fff00000c7ac2720 x25: ffff8000800878a8 x24: 0000000000000000
[   26.241788] x23: dfff800000000000 x22: fff00000c7a4d418 x21: ffffaffd6994d3f0
[   26.242589] x20: ffffaffd67dd4620 x19: ffff800080087b08 x18: ffff800080097940
[   26.243457] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   26.244266] x14: 1ffff5ffad5e0478 x13: 0000000000000000 x12: 0000000000000000
[   26.245028] x11: ffff75ffad5e0479 x10: 0000000000000017 x9 : 0000000000000007
[   26.245784] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   26.246560] x5 : 0000000003f6f5e4 x4 : 0000000000000000 x3 : ffffaffd6537d298
[   26.247409] x2 : 0000000000000000 x1 : 0000000000476d8a x0 : 0000000000000000
[   26.248339] Call trace:
[   26.248636]  intlog2+0xb8/0x118 (P)
[   26.249045]  intlog2_test+0x88/0x180
[   26.249458]  kunit_try_run_case+0x118/0x31c
[   26.249914]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   26.250484]  kthread+0x3f4/0x518
[   26.250863]  ret_from_fork+0x10/0x20
[   26.251407] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  118.982650] WARNING: CPU: 1 PID: 656 at lib/math/int_log.c:63 intlog2+0xdf/0x110
[  118.983433] Modules linked in:
[  118.984168] CPU: 1 UID: 0 PID: 656 Comm: kunit_try_catch Tainted: G    B D          N  6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) 
[  118.985249] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  118.985628] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  118.986453] RIP: 0010:intlog2+0xdf/0x110
[  118.986993] Code: 69 a8 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 c2 cb 85 02 90 <0f> 0b 90 31 c0 c3 cc cc cc cc 89 45 e4 e8 ef a0 56 ff 8b 45 e4 eb
[  118.987677] RSP: 0000:ffff88810aef7cb0 EFLAGS: 00010246
[  118.988130] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110215defb4
[  118.988672] RDX: 1ffffffff50d2aa0 RSI: 1ffff110215defb3 RDI: 0000000000000000
[  118.989027] RBP: ffff88810aef7d60 R08: 0000000000000000 R09: ffffed1020452360
[  118.989653] R10: ffff888102291b07 R11: 0000000000000000 R12: 1ffff110215def97
[  118.990088] R13: ffffffffa8695500 R14: 0000000000000000 R15: ffff88810aef7d38
[  118.990726] FS:  0000000000000000(0000) GS:ffff8881b0976000(0000) knlGS:0000000000000000
[  118.991213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  118.991624] CR2: ffff88815a952000 CR3: 000000002bebc000 CR4: 00000000000006f0
[  118.991878] DR0: ffffffffaa84e480 DR1: ffffffffaa84e481 DR2: ffffffffaa84e483
[  118.992207] DR3: ffffffffaa84e485 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  118.992574] Call Trace:
[  118.992804]  <TASK>
[  118.993007]  ? intlog2_test+0xf2/0x220
[  118.993570]  ? __pfx_intlog2_test+0x10/0x10
[  118.993913]  ? __schedule+0x10cc/0x2b60
[  118.994262]  ? __pfx_read_tsc+0x10/0x10
[  118.994751]  ? ktime_get_ts64+0x86/0x230
[  118.995150]  kunit_try_run_case+0x1a5/0x480
[  118.995621]  ? __pfx_kunit_try_run_case+0x10/0x10
[  118.996020]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  118.996323]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  118.996873]  ? __kthread_parkme+0x82/0x180
[  118.997169]  ? preempt_count_sub+0x50/0x80
[  118.997673]  ? __pfx_kunit_try_run_case+0x10/0x10
[  118.998055]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  118.998618]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  118.998958]  kthread+0x337/0x6f0
[  118.999247]  ? trace_preempt_on+0x20/0xc0
[  118.999768]  ? __pfx_kthread+0x10/0x10
[  119.000077]  ? _raw_spin_unlock_irq+0x47/0x80
[  119.000437]  ? calculate_sigpending+0x7b/0xa0
[  119.000890]  ? __pfx_kthread+0x10/0x10
[  119.001236]  ret_from_fork+0x116/0x1d0
[  119.001657]  ? __pfx_kthread+0x10/0x10
[  119.001997]  ret_from_fork_asm+0x1a/0x30
[  119.002431]  </TASK>
[  119.003060] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details