Hay
Date
June 16, 2025, 7:07 a.m.

Environment
qemu-arm64
qemu-x86_64

------------[ cut here ]------------
[   31.959243] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#1: kunit_try_catch/423
[   31.962421] Modules linked in:
[   31.963600] CPU: 1 UID: 0 PID: 423 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250616 #1 PREEMPT 
[   31.964600] Tainted: [D]=DIE, [N]=TEST
[   31.965039] Hardware name: linux,dummy-virt (DT)
[   31.965526] pstate: 82402009 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   31.966196] pc : intlog2+0xb8/0x118
[   31.966749] lr : intlog2_test+0x88/0x180
[   31.967148] sp : ffff800082177cd0
[   31.967499] x29: ffff800082177cf0 x28: dfff800000000000 x27: 1ffe000018f58005
[   31.968485] x26: fff00000c7a116a0 x25: ffff8000800878a8 x24: 0000000000000000
[   31.969492] x23: dfff800000000000 x22: fff00000c7ac0a18 x21: ffff9848bda411f0
[   31.970520] x20: ffff9848bbe76f40 x19: ffff800080087b08 x18: ffff800080097930
[   31.971101] x17: ffff80008009792c x16: 0000000000000000 x15: 0000000000000001
[   31.972048] x14: 1ffff30917e02880 x13: 0000000000000000 x12: 0000000000000000
[   31.972971] x11: ffff730917e02881 x10: 0000000000000017 x9 : 0000000000000007
[   31.973806] x8 : 0000000000000000 x7 : ffff80008009793c x6 : 0000000000000014
[   31.974662] x5 : 00000000e7c22ee7 x4 : 0000000000000000 x3 : ffff9848b938a680
[   31.975212] x2 : 0000000000000000 x1 : 000000000023531e x0 : 0000000000000000
[   31.976064] Call trace:
[   31.976329]  intlog2+0xb8/0x118 (P)
[   31.976773]  intlog2_test+0x88/0x180
[   31.977398]  kunit_try_run_case+0x118/0x31c
[   31.978048]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   31.978384]  kthread+0x3f4/0x51c
[   31.978800]  ret_from_fork+0x10/0x20
[   31.979363] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   98.758445] WARNING: lib/math/int_log.c:63 at intlog2+0xd8/0xf8, CPU#1: kunit_try_catch/647
[   98.760382] Modules linked in:
[   98.762050] CPU: 1 UID: 0 PID: 647 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250616 #1 PREEMPT 
[   98.763235] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[   98.763682] Hardware name: linux,dummy-virt (DT)
[   98.764184] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   98.764833] pc : intlog2+0xd8/0xf8
[   98.765146] lr : intlog2_test+0xe4/0x200
[   98.765451] sp : ffff8000820b7c10
[   98.765827] x29: ffff8000820b7c90 x28: 0000000000000000 x27: 0000000000000000
[   98.766715] x26: 1ffe00001906dca1 x25: 0000000000000000 x24: ffff8000820b7ce0
[   98.767378] x23: ffff8000820b7d00 x22: 0000000000000000 x21: 1ffff00010416f82
[   98.768071] x20: ffffb101094bb780 x19: ffff800080087990 x18: 00000000bf4ccba6
[   98.768754] x17: 0000000037f69978 x16: 000000003b555c9f x15: 00000000b302b6ee
[   98.769481] x14: 00000000f1f1f1f1 x13: 1ffe00001b48cd89 x12: ffff762021a70181
[   98.769894] x11: 1ffff62021a70180 x10: ffff762021a70180 x9 : ffffb10106a3e4d4
[   98.770411] x8 : ffffb1010d380c03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   98.771264] x5 : ffff700010416f82 x4 : 1ffff00010010f3a x3 : 1ffff620212976f0
[   98.771956] x2 : 1ffff620212976f0 x1 : 0000000000000003 x0 : 0000000000000000
[   98.772615] Call trace:
[   98.773084]  intlog2+0xd8/0xf8 (P)
[   98.773425]  kunit_try_run_case+0x170/0x3f0
[   98.774608]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   98.775248]  kthread+0x328/0x630
[   98.775636]  ret_from_fork+0x10/0x20
[   98.776198] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   39.388403] WARNING: lib/math/int_log.c:63 at intlog2+0xd0/0xe8, CPU#0: kunit_try_catch/424
[   39.396044] Modules linked in:
[   39.397078] CPU: 0 UID: 0 PID: 424 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250616 #1 PREEMPT 
[   39.399344] Tainted: [D]=DIE, [N]=TEST
[   39.400170] Hardware name: linux,dummy-virt (DT)
[   39.401269] pstate: 12402009 (nzcV daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   39.401796] pc : intlog2+0xd0/0xe8
[   39.402150] lr : intlog2_test+0xdc/0x1f0
[   39.402680] sp : ffff800082027c10
[   39.403313] x29: ffff800082027c90 x28: 0000000000000000 x27: 0000000000000000
[   39.405802] x26: 1ffe000018f69ac1 x25: fff00000c7b69280 x24: 0000000000000004
[   39.407585] x23: fff00000c7b69280 x22: 0000000000000000 x21: 1ffff00010404f82
[   39.409382] x20: ffff9ff494d71d40 x19: ffff8000800879a0 x18: 1ffff00010012ece
[   39.411210] x17: fff00000c0369288 x16: fff00000c564683c x15: 0000000000007eb0
[   39.412619] x14: 1ffe00001b51dcd5 x13: 1ffe000018f6d252 x12: ffff73fe93064941
[   39.413494] x11: 1ffff3fe93064940 x10: ffff73fe93064940 x9 : dfff800000000000
[   39.414304] x8 : ffff9ff498324a03 x7 : 0000000000000001 x6 : 00000000f1f1f1f1
[   39.415435] x5 : ffff700010404f82 x4 : 1ffff00010010f3c x3 : 1ffff3fe929ae3a8
[   39.416841] x2 : 1ffff3fe929ae3a8 x1 : 0000000000000003 x0 : 0000000000000000
[   39.417442] Call trace:
[   39.417606]  intlog2+0xd0/0xe8 (P)
[   39.417898]  kunit_try_run_case+0x144/0x3bc
[   39.418404]  kunit_generic_run_threadfn_adapter+0x80/0xec
[   39.419023]  kthread+0x37c/0x67c
[   39.419418]  ret_from_fork+0x10/0x20
[   39.420718] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   31.031425] WARNING: lib/math/int_log.c:63 at intlog2+0xb8/0x118, CPU#0: kunit_try_catch/423
[   31.032832] Modules linked in:
[   31.033266] CPU: 0 UID: 0 PID: 423 Comm: kunit_try_catch Tainted: G      D          N  6.16.0-rc2-next-20250616 #1 PREEMPT 
[   31.034553] Tainted: [D]=DIE, [N]=TEST
[   31.034859] Hardware name: linux,dummy-virt (DT)
[   31.035320] pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[   31.035730] pc : intlog2+0xb8/0x118
[   31.036205] lr : intlog2_test+0x88/0x180
[   31.036550] sp : ffff800080fc7cd0
[   31.037135] x29: ffff800080fc7cf0 x28: dfff800000000000 x27: 1ffe000018f62255
[   31.037919] x26: fff00000c7a20aa0 x25: ffff8000800878a8 x24: 0000000000000000
[   31.038769] x23: dfff800000000000 x22: fff00000c7b11c98 x21: ffffa7acb5a31330
[   31.039507] x20: ffffa7acb3e67040 x19: ffff800080087b08 x18: 0000000000000002
[   31.040543] x17: 0000000000000075 x16: 0000000000000000 x15: 0000000000000001
[   31.041381] x14: 1ffff4f596e00a80 x13: 0000000000000000 x12: 0000000000000000
[   31.042130] x11: ffff74f596e00a81 x10: 0000000000000017 x9 : 0000000000000007
[   31.042851] x8 : 0000000000000000 x7 : 000000003568896a x6 : 00000000c3f72402
[   31.043496] x5 : 00000000790bbbe7 x4 : 0000000000000000 x3 : ffffa7acb1385178
[   31.044187] x2 : 0000000000000000 x1 : 000000000034dab5 x0 : 0000000000000000
[   31.044882] Call trace:
[   31.045207]  intlog2+0xb8/0x118 (P)
[   31.046335]  intlog2_test+0x88/0x180
[   31.046850]  kunit_try_run_case+0x118/0x31c
[   31.047232]  kunit_generic_run_threadfn_adapter+0x84/0x104
[   31.047748]  kthread+0x3f4/0x51c
[   31.048419]  ret_from_fork+0x10/0x20
[   31.048824] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  108.795599] WARNING: lib/math/int_log.c:63 at intlog2+0xdf/0x110, CPU#1: kunit_try_catch/664
[  108.796133] Modules linked in:
[  108.796334] CPU: 1 UID: 0 PID: 664 Comm: kunit_try_catch Tainted: G    B D          N  6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) 
[  108.796704] Tainted: [B]=BAD_PAGE, [D]=DIE, [N]=TEST
[  108.797069] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.797690] RIP: 0010:intlog2+0xdf/0x110
[  108.797880] Code: c9 b5 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 ef 07 56 ff 8b 45 e4 eb
[  108.798634] RSP: 0000:ffff88810852fcb0 EFLAGS: 00010246
[  108.799155] RAX: 0000000000000000 RBX: ffff88810039fae8 RCX: 1ffff110210a5fb4
[  108.800175] RDX: 1ffffffff6b92f0c RSI: 1ffff110210a5fb3 RDI: 0000000000000000
[  108.800647] RBP: ffff88810852fd60 R08: 0000000000000000 R09: ffffed102055b1a0
[  108.800931] R10: ffff888102ad8d07 R11: 0000000000000000 R12: 1ffff110210a5f97
[  108.801202] R13: ffffffffb5c97860 R14: 0000000000000000 R15: ffff88810852fd38
[  108.801491] FS:  0000000000000000(0000) GS:ffff88819cb67000(0000) knlGS:0000000000000000
[  108.801918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.802145] CR2: ffff888154050fe0 CR3: 0000000171ebc000 CR4: 00000000000006f0
[  108.802442] DR0: ffffffffb7e5d440 DR1: ffffffffb7e5d441 DR2: ffffffffb7e5d443
[  108.802738] DR3: ffffffffb7e5d445 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  108.802974] Call Trace:
[  108.803105]  <TASK>
[  108.803222]  ? intlog2_test+0xf2/0x220
[  108.803410]  ? __pfx_intlog2_test+0x10/0x10
[  108.803730]  ? __schedule+0x10cc/0x2b60
[  108.804176]  ? __pfx_read_tsc+0x10/0x10
[  108.804496]  ? ktime_get_ts64+0x86/0x230
[  108.804715]  kunit_try_run_case+0x1a5/0x480
[  108.804931]  ? __pfx_kunit_try_run_case+0x10/0x10
[  108.805106]  ? _raw_spin_lock_irqsave+0xa1/0x100
[  108.805299]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[  108.805522]  ? __kthread_parkme+0x82/0x180
[  108.805716]  ? preempt_count_sub+0x50/0x80
[  108.805940]  ? __pfx_kunit_try_run_case+0x10/0x10
[  108.806105]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[  108.806379]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[  108.806734]  kthread+0x337/0x6f0
[  108.806917]  ? trace_preempt_on+0x20/0xc0
[  108.807060]  ? __pfx_kthread+0x10/0x10
[  108.807219]  ? _raw_spin_unlock_irq+0x47/0x80
[  108.807421]  ? calculate_sigpending+0x7b/0xa0
[  108.807854]  ? __pfx_kthread+0x10/0x10
[  108.808075]  ret_from_fork+0x116/0x1d0
[  108.808229]  ? __pfx_kthread+0x10/0x10
[  108.808513]  ret_from_fork_asm+0x1a/0x30
[  108.808745]  </TASK>
[  108.808909] ---[ end trace 0000000000000000 ]---