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Date
June 20, 2025, 12:38 p.m.

Environment
qemu-arm64
qemu-x86_64 

------------[ cut here ]------------
[   43.332024] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#1: kunit_try_catch/428
[   43.334624] Modules linked in:
[   43.335254] CPU: 1 UID: 0 PID: 428 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250620 #1 PREEMPT 
[   43.336390] Tainted: [D]=DIE, [N]=TEST
[   43.336904] Hardware name: linux,dummy-virt (DT)
[   43.337333] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   43.338061] pc : intlog2+0xb8/0x118
[   43.338488] lr : intlog2_test+0x88/0x180
[   43.339007] sp : ffff800080eb7cd0
[   43.339380] x29: ffff800080eb7cf0 x28: dfff800000000000 x27: 1ffe000018f3e945
[   43.340281] x26: fff00000c57afea0 x25: ffff8000800878a8 x24: 0000000000000000
[   43.341307] x23: dfff800000000000 x22: fff00000c79f5418 x21: ffffa07bdfeabc90
[   43.342729] x20: ffffa07bde338220 x19: ffff800080087b08 x18: ffff800080097930
[   43.343878] x17: ffff80008009792c x16: 0000000000000000 x15: 0000000000000001
[   43.344939] x14: 1ffff40f7c28a380 x13: 0000000000000000 x12: 0000000000000000
[   43.345934] x11: ffff740f7c28a381 x10: 0000000000000017 x9 : 0000000000000007
[   43.346916] x8 : 0000000000000000 x7 : ffff80008009793c x6 : 0000000000000014
[   43.347935] x5 : fff00000daa0a1e0 x4 : 0000000000000000 x3 : ffffa07bdb985778
[   43.348970] x2 : 0000000000000000 x1 : 00000000005b8185 x0 : 0000000000000000
[   43.350364] Call trace:
[   43.350668]  intlog2+0xb8/0x118 (P)
[   43.351713]  intlog2_test+0x88/0x180
[   43.352258]  kunit_try_run_case+0x118/0x31c
[   43.353743]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   43.354484]  kthread+0x3f4/0x51c
[   43.354943]  ret_from_fork+0x10/0x20
[   43.355831] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  120.497478] WARNING: lib/math/int_log.c:63 at intlog2+0xd8/0xf8, CPU#0: kunit_try_catch/651
[  120.501595] Modules linked in:
[  120.503216] CPU: 0 UID: 0 PID: 651 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250620 #1 PREEMPT 
[  120.504038] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  120.504232] Hardware name: linux,dummy-virt (DT)
[  120.504562] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  120.505404] pc : intlog2+0xd8/0xf8
[  120.505981] lr : intlog2_test+0xe4/0x200
[  120.506312] sp : ffff800082367c10
[  120.506532] x29: ffff800082367c90 x28: 0000000000000000 x27: 0000000000000000
[  120.507049] x26: 1ffe000018bba901 x25: 0000000000000000 x24: ffff800082367ce0
[  120.507925] x23: ffff800082367d00 x22: 0000000000000000 x21: 1ffff0001046cf82
[  120.509191] x20: ffff94c6425cce20 x19: ffff800080087990 x18: 000000003328d4c9
[  120.510142] x17: 00000000eb621b4e x16: 0000000000000100 x15: 00000000183fa90a
[  120.511085] x14: 00000000f1f1f1f1 x13: 1ffe00001b48e589 x12: ffff7298c8c83389
[  120.512048] x11: 1ffff298c8c83388 x10: ffff7298c8c83388 x9 : ffff94c63fc3e984
[  120.513096] x8 : ffff94c646419c43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[  120.514011] x5 : ffff70001046cf82 x4 : 1ffff00010010f3a x3 : 1ffff298c84b99c4
[  120.514723] x2 : 1ffff298c84b99c4 x1 : 0000000000000003 x0 : 0000000000000000
[  120.515139] Call trace:
[  120.515275]  intlog2+0xd8/0xf8 (P)
[  120.515479]  kunit_try_run_case+0x170/0x3f0
[  120.515685]  kunit_generic_run_threadfn_adapter+0x88/0x100
[  120.515886]  kthread+0x328/0x630
[  120.516047]  ret_from_fork+0x10/0x20
[  120.516262] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   43.409142] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/428
[   43.418759] Modules linked in:
[   43.419753] CPU: 0 UID: 0 PID: 428 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250620 #1 PREEMPT 
[   43.421308] Tainted: [D]=DIE, [N]=TEST
[   43.421879] Hardware name: linux,dummy-virt (DT)
[   43.422405] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   43.423022] pc : intlog2+0xb8/0x118
[   43.423462] lr : intlog2_test+0x88/0x180
[   43.423911] sp : ffff8000821f7cd0
[   43.424321] x29: ffff8000821f7cf0 x28: dfff800000000000 x27: 1ffe000018f74945
[   43.425715] x26: fff00000c761dd20 x25: ffff8000800878a8 x24: 0000000000000000
[   43.426687] x23: dfff800000000000 x22: fff00000c7ba5418 x21: ffffa9b93569bdd0
[   43.427657] x20: ffffa9b933b29200 x19: ffff800080087b08 x18: ffff800080097940
[   43.428551] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   43.429760] x14: 1ffff53726d88580 x13: 0000000000000000 x12: 0000000000000000
[   43.430650] x11: ffff753726d88581 x10: 0000000000000017 x9 : 0000000000000007
[   43.431467] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   43.432423] x5 : 00000000d901b790 x4 : 0000000000000000 x3 : ffffa9b9311811a8
[   43.433441] x2 : 0000000000000000 x1 : 000000000038cf4f x0 : 0000000000000000
[   43.434428] Call trace:
[   43.434765]  intlog2+0xb8/0x118 (P)
[   43.435177]  intlog2_test+0x88/0x180
[   43.435579]  kunit_try_run_case+0x118/0x31c
[   43.436171]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   43.436823]  kthread+0x3f4/0x51c
[   43.437566]  ret_from_fork+0x10/0x20
[   43.438127] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[   45.830527] WARNING: lib/math/int_log.c:63 at intlog2+0xd0/0xe8, CPU#0: kunit_try_catch/428
[   45.833581] Modules linked in:
[   45.835554] CPU: 0 UID: 0 PID: 428 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250620 #1 PREEMPT 
[   45.836801] Tainted: [D]=DIE, [N]=TEST
[   45.837372] Hardware name: linux,dummy-virt (DT)
[   45.837598] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   45.838186] pc : intlog2+0xd0/0xe8
[   45.838649] lr : intlog2_test+0xdc/0x1f0
[   45.839098] sp : ffff800080fe7c10
[   45.839936] x29: ffff800080fe7c90 x28: 0000000000000000 x27: 0000000000000000
[   45.840974] x26: 1ffe000018af28e1 x25: fff00000c7935c80 x24: 0000000000000004
[   45.842099] x23: fff00000c7935c80 x22: 0000000000000000 x21: 1ffff000101fcf82
[   45.842774] x20: ffff99faa6e234e0 x19: ffff8000800879a0 x18: 000000000a257b27
[   45.843938] x17: 000000000e6fc4f7 x16: fff00000c3c6693c x15: 0000000000007eb0
[   45.844920] x14: 1ffe00001b5256dd x13: 1ffe000018f26b92 x12: ffff733f55467549
[   45.846264] x11: 1ffff33f55467548 x10: ffff733f55467548 x9 : dfff800000000000
[   45.847250] x8 : ffff99faaa33aa43 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   45.848049] x5 : ffff7000101fcf82 x4 : 1ffff00010010f3c x3 : 1ffff33f54dc469c
[   45.848969] x2 : 1ffff33f54dc469c x1 : 0000000000000003 x0 : 0000000000000000
[   45.849881] Call trace:
[   45.850235]  intlog2+0xd0/0xe8 (P)
[   45.850724]  kunit_try_run_case+0x144/0x3bc
[   45.851250]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   45.852112]  kthread+0x37c/0x67c
[   45.852581]  ret_from_fork+0x10/0x20
[   45.853370] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

------------[ cut here ]------------
[  139.127357] WARNING: lib/math/int_log.c:63 at intlog2+0xdf/0x110, CPU#1: kunit_try_catch/669
[  139.128784] Modules linked in:
[  139.129086] CPU: 1 UID: 0 PID: 669 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[  139.129896] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  139.130923] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  139.131404] RIP: 0010:intlog2+0xdf/0x110
[  139.131891] Code: a9 b3 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 42 e3 88 02 90 <0f> 0b 90 31 c0 c3 cc cc cc cc 89 45 e4 e8 5f e5 55 ff 8b 45 e4 eb
[  139.133026] RSP: 0000:ffff888108d5fcb0 EFLAGS: 00010246
[  139.133525] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110211abfb4
[  139.134068] RDX: 1ffffffff6753208 RSI: 1ffff110211abfb3 RDI: 0000000000000000
[  139.134360] RBP: ffff888108d5fd60 R08: 0000000000000000 R09: ffffed1020fc7820
[  139.134943] R10: ffff888107e3c107 R11: 0000000000000000 R12: 1ffff110211abf97
[  139.135356] R13: ffffffffb3a99040 R14: 0000000000000000 R15: ffff888108d5fd38
[  139.135917] FS:  0000000000000000(0000) GS:ffff8881a555e000(0000) knlGS:0000000000000000
[  139.136461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  139.137027] CR2: ffff88815a94afe0 CR3: 00000001216bc000 CR4: 00000000000006f0
[  139.137617] DR0: ffffffffb5c68484 DR1: ffffffffb5c68489 DR2: ffffffffb5c6848a
[  139.138075] DR3: ffffffffb5c6848b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  139.138564] Call Trace:
[  139.138772]  <TASK>
[  139.139252]  ? intlog2_test+0xf2/0x220
[  139.139804]  ? __pfx_intlog2_test+0x10/0x10
[  139.140272]  ? __schedule+0x10cc/0x2b60
[  139.140505]  ? __pfx_read_tsc+0x10/0x10
[  139.141103]  ? ktime_get_ts64+0x86/0x230
[  139.141515]  kunit_try_run_case+0x1a5/0x480
[  139.141901]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.142338]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  139.142544]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  139.143189]  ? __kthread_parkme+0x82/0x180
[  139.143894]  ? preempt_count_sub+0x50/0x80
[  139.144169]  ? __pfx_kunit_try_run_case+0x10/0x10
[  139.144476]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  139.144830]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  139.145342]  kthread+0x337/0x6f0
[  139.145982]  ? trace_preempt_on+0x20/0xc0
[  139.146211]  ? __pfx_kthread+0x10/0x10
[  139.146518]  ? _raw_spin_unlock_irq+0x47/0x80
[  139.146971]  ? calculate_sigpending+0x7b/0xa0
[  139.147369]  ? __pfx_kthread+0x10/0x10
[  139.147717]  ret_from_fork+0x116/0x1d0
[  139.147910]  ? __pfx_kthread+0x10/0x10
[  139.148862]  ret_from_fork_asm+0x1a/0x30
[  139.149427]  </TASK>
[  139.149851] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details