Hay
Date
May 26, 2025, 9:10 a.m.

Environment
qemu-arm64
qemu-x86_64

------------[ cut here ]------------
[   26.638969] WARNING: CPU: 1 PID: 464 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   26.641135] Modules linked in:
[   26.642393] CPU: 1 UID: 0 PID: 464 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   26.643530] Tainted: [D]=DIE, [N]=TEST
[   26.643926] Hardware name: linux,dummy-virt (DT)
[   26.644298] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   26.644640] pc : intlog2+0xb8/0x118
[   26.644867] lr : intlog2_test+0x88/0x180
[   26.645100] sp : ffff800082287cd0
[   26.645295] x29: ffff800082287cf0 x28: dfff800000000000 x27: 1ffe000018f64255
[   26.645754] x26: fff00000c73630a0 x25: ffff8000800878a8 x24: 0000000000000000
[   26.646173] x23: dfff800000000000 x22: fff00000c7b21c98 x21: ffff93ab0d1bb530
[   26.646624] x20: ffff93ab0b61c2e0 x19: ffff800080087b08 x18: ffff800080097930
[   26.647092] x17: ffff80008009792c x16: 0000000000000000 x15: 0000000000000001
[   26.647519] x14: 1ffff27561cede78 x13: 0000000000000000 x12: 0000000000000000
[   26.647994] x11: ffff727561cede79 x10: 0000000000000017 x9 : 0000000000000007
[   26.648501] x8 : 0000000000000000 x7 : ffff80008009793c x6 : 0000000000000014
[   26.648951] x5 : 00000000b2ba9dd1 x4 : 0000000000000001 x3 : ffff93ab08b86810
[   26.649566] x2 : 0000000000000000 x1 : 0000000000462766 x0 : 0000000000000000
[   26.650005] Call trace:
[   26.650178]  intlog2+0xb8/0x118 (P)
[   26.650418]  intlog2_test+0x88/0x180
[   26.650651]  kunit_try_run_case+0x118/0x31c
[   26.650872]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   26.651183]  kthread+0x3f4/0x518
[   26.651390]  ret_from_fork+0x10/0x20
[   26.652744] ---[ end trace 0000000000000000 ]---


------------[ cut here ]------------
[   25.533864] WARNING: CPU: 1 PID: 463 at lib/math/int_log.c:63 intlog2+0xb8/0x118
[   25.536752] Modules linked in:
[   25.538353] CPU: 1 UID: 0 PID: 463 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   25.539308] Tainted: [D]=DIE, [N]=TEST
[   25.539704] Hardware name: linux,dummy-virt (DT)
[   25.540070] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   25.540501] pc : intlog2+0xb8/0x118
[   25.540946] lr : intlog2_test+0x88/0x180
[   25.541364] sp : ffff800082327cd0
[   25.541655] x29: ffff800082327cf0 x28: dfff800000000000 x27: 1ffe000018f684a5
[   25.542440] x26: fff00000c7766520 x25: ffff8000800878a8 x24: 0000000000000000
[   25.543100] x23: dfff800000000000 x22: fff00000c7b42f18 x21: ffffab3b907bb530
[   25.543817] x20: ffffab3b8ec1c2e0 x19: ffff800080087b08 x18: ffff800080097940
[   25.544464] x17: ffff80008009793c x16: 0000000000000000 x15: 0000000000000001
[   25.545105] x14: 1ffff567723ae078 x13: 0000000000000000 x12: 0000000000000000
[   25.545780] x11: ffff7567723ae079 x10: 0000000000000017 x9 : 0000000000000007
[   25.546697] x8 : 0000000000000000 x7 : ffff80008009794c x6 : 0000000000000014
[   25.547232] x5 : 00000000a065cfec x4 : 0000000000000000 x3 : ffffab3b8c185424
[   25.547908] x2 : 0000000000000000 x1 : 000000000040e0ed x0 : 0000000000000000
[   25.548640] Call trace:
[   25.548965]  intlog2+0xb8/0x118 (P)
[   25.549415]  intlog2_test+0x88/0x180
[   25.549815]  kunit_try_run_case+0x118/0x31c
[   25.550132]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   25.550609]  kthread+0x3f4/0x518
[   25.551031]  ret_from_fork+0x10/0x20
[   25.551440] ---[ end trace 0000000000000000 ]---


------------[ cut here ]------------
[   94.615916] WARNING: CPU: 0 PID: 686 at lib/math/int_log.c:63 intlog2+0xd8/0xf8
[   94.617110] Modules linked in:
[   94.617605] CPU: 0 UID: 0 PID: 686 Comm: kunit_try_catch Tainted: G    B D          N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   94.618334] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   94.618793] Hardware name: linux,dummy-virt (DT)
[   94.619263] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   94.620130] pc : intlog2+0xd8/0xf8
[   94.620823] lr : intlog2_test+0xe4/0x200
[   94.621258] sp : ffff8000823c7c10
[   94.621744] x29: ffff8000823c7c90 x28: 0000000000000000 x27: 0000000000000000
[   94.622376] x26: 1ffe000018f02a21 x25: 0000000000000000 x24: ffff8000823c7ce0
[   94.623237] x23: ffff8000823c7d00 x22: 0000000000000000 x21: 1ffff00010478f82
[   94.623947] x20: ffffa1327f2d2c00 x19: ffff800080087990 x18: fff00000c17653a8
[   94.624428] x17: 00000000e4e09d41 x16: fff00000c097583c x15: fff00000ff616b08
[   94.625227] x14: 00000000f1f1f1f1 x13: 1ffe00001b48cdcd x12: ffff74265062f779
[   94.626013] x11: 1ffff4265062f778 x10: ffff74265062f778 x9 : ffffa1327c8682ac
[   94.626671] x8 : ffffa1328317bbc3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   94.627288] x5 : ffff700010478f82 x4 : 1ffff00010010f3a x3 : 1ffff4264fe5a580
[   94.628014] x2 : 1ffff4264fe5a580 x1 : 0000000000000003 x0 : 0000000000000000
[   94.628807] Call trace:
[   94.629035]  intlog2+0xd8/0xf8 (P)
[   94.629453]  kunit_try_run_case+0x170/0x3f0
[   94.629860]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   94.630441]  kthread+0x328/0x630
[   94.630740]  ret_from_fork+0x10/0x20
[   94.631432] ---[ end trace 0000000000000000 ]---


------------[ cut here ]------------
[   27.779338] WARNING: CPU: 0 PID: 463 at lib/math/int_log.c:63 intlog2+0xd0/0xe8
[   27.780284] Modules linked in:
[   27.780756] CPU: 0 UID: 0 PID: 463 Comm: kunit_try_catch Tainted: G      D          N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   27.781313] Tainted: [D]=DIE, [N]=TEST
[   27.781647] Hardware name: linux,dummy-virt (DT)
[   27.782084] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   27.782969] pc : intlog2+0xd0/0xe8
[   27.783375] lr : intlog2_test+0xdc/0x1f0
[   27.783751] sp : ffff8000821c7c10
[   27.784094] x29: ffff8000821c7c90 x28: 0000000000000000 x27: 0000000000000000
[   27.784691] x26: 1ffe000018f7c021 x25: fff00000c7baa500 x24: 0000000000000004
[   27.785279] x23: fff00000c7baa500 x22: 0000000000000000 x21: 1ffff00010438f82
[   27.786228] x20: ffffad74bc708b80 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   27.786970] x17: fff00000c0369288 x16: fff00000c089763c x15: 0000000000007eb0
[   27.787537] x14: 1ffe00001b520ad5 x13: 1ffe000018f754a2 x12: ffff75ae97f8df39
[   27.788082] x11: 1ffff5ae97f8df38 x10: ffff75ae97f8df38 x9 : dfff800000000000
[   27.788858] x8 : ffffad74bfc6f9c3 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   27.789724] x5 : ffff700010438f82 x4 : 1ffff00010010f3c x3 : 1ffff5ae978e1170
[   27.790316] x2 : 1ffff5ae978e1170 x1 : 0000000000000003 x0 : 0000000000000000
[   27.791002] Call trace:
[   27.791290]  intlog2+0xd0/0xe8 (P)
[   27.791728]  kunit_try_run_case+0x144/0x3bc
[   27.792087]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   27.792608]  kthread+0x37c/0x67c
[   27.792970]  ret_from_fork+0x10/0x20
[   27.793653] ---[ end trace 0000000000000000 ]---


------------[ cut here ]------------
[  108.207601] WARNING: CPU: 1 PID: 704 at lib/math/int_log.c:63 intlog2+0xdf/0x110
[  108.207980] Modules linked in:
[  108.208370] CPU: 1 UID: 0 PID: 704 Comm: kunit_try_catch Tainted: G    B D          N  6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) 
[  108.208903] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  108.209219] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.209602] RIP: 0010:intlog2+0xdf/0x110
[  108.209835] Code: 69 a7 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 6f 34 52 ff 8b 45 e4 eb
[  108.211523] RSP: 0000:ffff8881061ffcb0 EFLAGS: 00010246
[  108.212318] RAX: 0000000000000000 RBX: ffff8881003c7ae8 RCX: 1ffff11020c3ffb4
[  108.212558] RDX: 1ffffffff4ed3df8 RSI: 1ffff11020c3ffb3 RDI: 0000000000000000
[  108.212812] RBP: ffff8881061ffd60 R08: 0000000000000000 R09: ffffed10202de900
[  108.213026] R10: ffff8881016f4807 R11: 0000000000000000 R12: 1ffff11020c3ff97
[  108.213240] R13: ffffffffa769efc0 R14: 0000000000000000 R15: ffff8881061ffd38
[  108.213467] FS:  0000000000000000(0000) GS:ffff8881ab15b000(0000) knlGS:0000000000000000
[  108.213705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.213883] CR2: ffff88815410a000 CR3: 000000016b8bc000 CR4: 00000000000006f0
[  108.214101] DR0: ffffffffa9869404 DR1: ffffffffa9869409 DR2: ffffffffa986940a
[  108.214315] DR3: ffffffffa986940b DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  108.215599] Call Trace:
[  108.216255]  <TASK>
[  108.216702]  ? intlog2_test+0xf2/0x220
[  108.217378]  ? __pfx_intlog2_test+0x10/0x10
[  108.218020]  ? __schedule+0x10cc/0x2b60
[  108.218610]  ? __pfx_read_tsc+0x10/0x10
[  108.219208]  ? ktime_get_ts64+0x86/0x230
[  108.219890]  kunit_try_run_case+0x1a5/0x480
[  108.220614]  ? __pfx_kunit_try_run_case+0x10/0x10
[  108.221341]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  108.222182]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  108.222775]  ? __kthread_parkme+0x82/0x180
[  108.223410]  ? preempt_count_sub+0x50/0x80
[  108.224204]  ? __pfx_kunit_try_run_case+0x10/0x10
[  108.224887]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  108.225647]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  108.226556]  kthread+0x337/0x6f0
[  108.227112]  ? trace_preempt_on+0x20/0xc0
[  108.227680]  ? __pfx_kthread+0x10/0x10
[  108.228261]  ? _raw_spin_unlock_irq+0x47/0x80
[  108.228923]  ? calculate_sigpending+0x7b/0xa0
[  108.229590]  ? __pfx_kthread+0x10/0x10
[  108.229910]  ret_from_fork+0x116/0x1d0
[  108.230316]  ? __pfx_kthread+0x10/0x10
[  108.230926]  ret_from_fork_asm+0x1a/0x30
[  108.231502]  </TASK>
[  108.231635] ---[ end trace 0000000000000000 ]---