------------[ cut here ]------------
[   52.507549] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x448/0x4e4, CPU#4: unshare_test/1706
[   52.511791] Modules linked in: smsc smsc95xx usbnet phy_exynos5_usbdrd typec ramoops reed_solomon fuse drm backlight ip_tables x_tables
[   52.523945] CPU: 4 UID: 0 PID: 1706 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[   52.533316] Hardware name: WinLink E850-96 board (DT)
[   52.538353] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   52.545292] pc : __kvmalloc_node_noprof+0x448/0x4e4
[   52.550156] lr : __kvmalloc_node_noprof+0x80/0x4e4
[   52.554928] sp : ffff8000850bbc90
[   52.558229] x29: ffff8000850bbcc0 x28: ffff00080461ca00 x27: 0000000000000000
[   52.565346] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[   52.572464] x23: 00000000004028c0 x22: 0000000000000002 x21: 0000000200001e00
[   52.579580] x20: ffff000801ebf9c0 x19: 00000000ffffffff x18: 0000000000000000
[   52.586698] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   52.593816] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   52.600934] x11: 0000000000000001 x10: 0a7c33b4b3f4a100 x9 : 0a7c33b4b3f4a100
[   52.608052] x8 : 0000000000000004 x7 : 00000000ffffffff x6 : 0000000000000000
[   52.615171] x5 : 0000000000000000 x4 : 0000000000400cc0 x3 : 0000000000000000
[   52.622287] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[   52.629409] Call trace:
[   52.631840]  __kvmalloc_node_noprof+0x448/0x4e4 (P)
[   52.636701]  alloc_fdtable+0x74/0x118
[   52.640346]  expand_files+0x104/0x2d0
[   52.643990]  ksys_dup3+0x64/0xe8
[   52.647202]  __arm64_sys_dup3+0x20/0x30
[   52.651021]  invoke_syscall+0x40/0xf8
[   52.654665]  el0_svc_common+0xa8/0xd8
[   52.658313]  do_el0_svc+0x1c/0x28
[   52.661610]  el0_svc+0x38/0x88
[   52.664650]  el0t_64_sync_handler+0x78/0x108
[   52.668901]  el0t_64_sync+0x198/0x19c
[   52.672552] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  134.669058] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x430/0x484, CPU#3: unshare_test/563
[  134.669290] Modules linked in: pl111_drm arm_spe_pmu drm_client_lib panel_simple drm_dma_helper drm_kms_helper fuse drm backlight ip_tables x_tables
[  134.669735] CPU: 3 UID: 0 PID: 563 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[  134.669889] Hardware name: FVP Base RevC (DT)
[  134.669967] pstate: 121402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[  134.670098] pc : __kvmalloc_node_noprof+0x430/0x484
[  134.670230] lr : __kvmalloc_node_noprof+0x388/0x484
[  134.670362] sp : ffff800080e03c80
[  134.670433] x29: ffff800080e03cb0 x28: ffff0008045e2500 x27: 0000000000000000
[  134.670620] x26: 0000000000000000 x25: 00000000004028c0 x24: 4ebaa9916655d3f8
[  134.670806] x23: 0000000000000000 x22: 00000000ffffffff x21: 0000000000400cc0
[  134.670990] x20: 0000000200001e00 x19: 0000000000000000 x18: 0000000000000000
[  134.671172] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  134.671353] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  134.671533] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[  134.671713] x8 : 0000000000000001 x7 : ffff0008045e2500 x6 : 0000000000000001
[  134.671896] x5 : 0000000000000000 x4 : ffff0008045e2500 x3 : 0000000000000000
[  134.672078] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 000000007fffffff
[  134.672258] Call trace:
[  134.672319]  __kvmalloc_node_noprof+0x430/0x484 (P)
[  134.672469]  alloc_fdtable+0x84/0x12c
[  134.672592]  expand_files+0x74/0x2ec
[  134.672724]  ksys_dup3+0x60/0x120
[  134.672851]  __arm64_sys_dup3+0x20/0x30
[  134.672987]  invoke_syscall+0x48/0x10c
[  134.673148]  el0_svc_common.constprop.0+0x40/0xe0
[  134.673318]  do_el0_svc+0x1c/0x28
[  134.673476]  el0_svc+0xbc/0x104
[  134.673627]  el0t_64_sync_handler+0x10c/0x138
[  134.673797]  el0t_64_sync+0x198/0x19c
[  134.673919] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  133.564954] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x448/0x4e4, CPU#7: unshare_test/564
[  133.565177] Modules linked in: pl111_drm arm_spe_pmu panel_simple drm_dma_helper drm_client_lib drm_kms_helper drm fuse backlight ip_tables x_tables
[  133.565568] CPU: 7 UID: 0 PID: 564 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[  133.565702] Hardware name: FVP Base RevC (DT)
[  133.565769] pstate: 121402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[  133.565886] pc : __kvmalloc_node_noprof+0x448/0x4e4
[  133.566022] lr : __kvmalloc_node_noprof+0x80/0x4e4
[  133.566158] sp : ffff8000816d3c90
[  133.566219] x29: ffff8000816d3cc0 x28: ffff000805861280 x27: 0000000000000000
[  133.566383] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[  133.566540] x23: 00000000004028c0 x22: 0000000000000002 x21: 0000000200001e00
[  133.566701] x20: ffff000801093700 x19: 00000000ffffffff x18: 0000000000000000
[  133.566864] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  133.567022] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  133.567180] x11: 0000000000000001 x10: 602eca8520711800 x9 : 602eca8520711800
[  133.567342] x8 : 0000000000000004 x7 : 00000000ffffffff x6 : 0000000000000000
[  133.567500] x5 : 0000000000000000 x4 : 0000000000400cc0 x3 : 0000000000000000
[  133.567656] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[  133.567813] Call trace:
[  133.567866]  __kvmalloc_node_noprof+0x448/0x4e4 (P)
[  133.568020]  alloc_fdtable+0x74/0x118
[  133.568163]  expand_files+0x104/0x2d0
[  133.568270]  ksys_dup3+0x64/0xe8
[  133.568375]  __arm64_sys_dup3+0x20/0x30
[  133.568481]  invoke_syscall+0x40/0xf8
[  133.568621]  el0_svc_common+0xa8/0xd8
[  133.568763]  do_el0_svc+0x1c/0x28
[  133.568900]  el0_svc+0x38/0x88
[  133.569026]  el0t_64_sync_handler+0x78/0x108
[  133.569164]  el0t_64_sync+0x198/0x19c
[  133.569273] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   92.244440] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x448/0x4e4, CPU#3: unshare_test/1628
[   92.258156] Modules linked in: tda9950 panfrost tda998x hdlcd onboard_usb_dev cec gpu_sched drm_dma_helper drm_shmem_helper drm_client_lib drm_kms_helper fuse drm backlight ip_tables x_tables
[   92.275302] CPU: 3 UID: 0 PID: 1628 Comm: unshare_test Tainted: G        W           6.16.0-rc2-next-20250620 #1 PREEMPT 
[   92.286287] Tainted: [W]=WARN
[   92.289257] Hardware name: ARM Juno development board (r2) (DT)
[   92.295878] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   92.302856] pc : __kvmalloc_node_noprof+0x448/0x4e4
[   92.307751] lr : __kvmalloc_node_noprof+0x80/0x4e4
[   92.313236] sp : ffff800084883c90
[   92.316554] x29: ffff800084883cc0 x28: ffff000800f74a00 x27: 0000000000000000
[   92.326564] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[   92.336575] x23: 00000000004028c0 x22: 0000000000000002 x21: 0000000200001e00
[   92.346412] x20: ffff0008269ccb00 x19: 00000000ffffffff x18: 0000000000000000
[   92.353571] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   92.360728] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   92.367886] x11: 0000000000000001 x10: 39a09a436c8e5800 x9 : 39a09a436c8e5800
[   92.375044] x8 : 0000000000000004 x7 : 00000000ffffffff x6 : 0000000000000000
[   92.382202] x5 : 0000000000000000 x4 : 0000000000400cc0 x3 : 0000000000000000
[   92.389359] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[   92.396517] Call trace:
[   92.398965]  __kvmalloc_node_noprof+0x448/0x4e4 (P)
[   92.403865]  alloc_fdtable+0x74/0x118
[   92.407548]  expand_files+0x104/0x2d0
[   92.411219]  ksys_dup3+0x64/0xe8
[   92.414455]  __arm64_sys_dup3+0x20/0x30
[   92.418300]  invoke_syscall+0x40/0xf8
[   92.421978]  el0_svc_common+0xa8/0xd8
[   92.425653]  do_el0_svc+0x1c/0x28
[   92.428980]  el0_svc+0x38/0x88
[   92.432047]  el0t_64_sync_handler+0x78/0x108
[   92.436331]  el0t_64_sync+0x198/0x19c
[   92.440005] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   94.389451] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x430/0x484, CPU#4: unshare_test/1628
[   94.403165] Modules linked in: tda9950 panfrost tda998x hdlcd drm_shmem_helper drm_client_lib cec gpu_sched drm_dma_helper onboard_usb_dev drm_kms_helper fuse drm backlight ip_tables x_tables
[   94.420321] CPU: 4 UID: 0 PID: 1628 Comm: unshare_test Tainted: G        W           6.16.0-rc2-next-20250620 #1 PREEMPT 
[   94.431315] Tainted: [W]=WARN
[   94.434288] Hardware name: ARM Juno development board (r2) (DT)
[   94.440219] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   94.447197] pc : __kvmalloc_node_noprof+0x430/0x484
[   94.452610] lr : __kvmalloc_node_noprof+0x388/0x484
[   94.457504] sp : ffff800084c83c80
[   94.460823] x29: ffff800084c83cb0 x28: ffff000827b11280 x27: 0000000000000000
[   94.470834] x26: 0000000000000000 x25: 00000000004028c0 x24: ffff80008035d3f8
[   94.480849] x23: 0000000000000000 x22: 00000000ffffffff x21: 0000000000400cc0
[   94.490859] x20: 0000000200001e00 x19: 0000000000000000 x18: 0000000000000000
[   94.498693] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   94.505853] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   94.513013] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   94.520173] x8 : 0000000000000001 x7 : ffff000827b11280 x6 : 0000000000000001
[   94.527332] x5 : 0000000000000000 x4 : ffff000827b11280 x3 : 0000000000000000
[   94.534491] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 000000007fffffff
[   94.541652] Call trace:
[   94.544100]  __kvmalloc_node_noprof+0x430/0x484 (P)
[   94.548997]  alloc_fdtable+0x84/0x12c
[   94.552672]  expand_files+0x74/0x2ec
[   94.556258]  ksys_dup3+0x60/0x120
[   94.559585]  __arm64_sys_dup3+0x20/0x30
[   94.563434]  invoke_syscall+0x48/0x10c
[   94.567201]  el0_svc_common.constprop.0+0x40/0xe0
[   94.571924]  do_el0_svc+0x1c/0x28
[   94.575253]  el0_svc+0x34/0x104
[   94.578410]  el0t_64_sync_handler+0x10c/0x138
[   94.582786]  el0t_64_sync+0x198/0x19c
[   94.586460] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   28.266736] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x430/0x484, CPU#1: unshare_test/498
[   28.269196] Modules linked in: sm3_ce sha3_ce sha512_ce fuse drm backlight ip_tables x_tables
[   28.270878] CPU: 1 UID: 0 PID: 498 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[   28.271465] Hardware name: linux,dummy-virt (DT)
[   28.272030] pstate: 23402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[   28.272580] pc : __kvmalloc_node_noprof+0x430/0x484
[   28.273045] lr : __kvmalloc_node_noprof+0x388/0x484
[   28.273420] sp : ffff800080bdbc80
[   28.273716] x29: ffff800080bdbcb0 x28: fff00000c182a500 x27: 0000000000000000
[   28.274265] x26: 0000000000000000 x25: 00000000004028c0 x24: 4edfa1605155d3f8
[   28.274751] x23: 0000000000000000 x22: 00000000ffffffff x21: 0000000000400cc0
[   28.275273] x20: 0000000200001e00 x19: 0000000000000000 x18: 0000000000000000
[   28.275837] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   28.276407] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   28.276946] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   28.277613] x8 : 0000000000000001 x7 : fff00000c182a500 x6 : 0000000000000001
[   28.278356] x5 : 0000000000000000 x4 : fff00000c182a500 x3 : 0000000000000000
[   28.279176] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 000000007fffffff
[   28.280560] Call trace:
[   28.280943]  __kvmalloc_node_noprof+0x430/0x484 (P)
[   28.281276]  alloc_fdtable+0x84/0x12c
[   28.281468]  expand_files+0x74/0x2ec
[   28.282940]  ksys_dup3+0x60/0x120
[   28.283590]  __arm64_sys_dup3+0x20/0x30
[   28.284277]  invoke_syscall+0x48/0x10c
[   28.284468]  el0_svc_common.constprop.0+0x40/0xe0
[   28.284649]  do_el0_svc+0x1c/0x28
[   28.285638]  el0_svc+0xbc/0x104
[   28.286498]  el0t_64_sync_handler+0x10c/0x138
[   28.287223]  el0t_64_sync+0x198/0x19c
[   28.288267] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   34.055713] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x448/0x4e4, CPU#0: unshare_test/499
[   34.059178] Modules linked in: sm3_ce sha3_ce sha512_ce drm backlight fuse ip_tables x_tables
[   34.062324] CPU: 0 UID: 0 PID: 499 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[   34.063783] Hardware name: linux,dummy-virt (DT)
[   34.064250] pstate: 23402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[   34.065325] pc : __kvmalloc_node_noprof+0x448/0x4e4
[   34.065727] lr : __kvmalloc_node_noprof+0x80/0x4e4
[   34.066074] sp : ffff80008065bc90
[   34.066347] x29: ffff80008065bcc0 x28: fff00000c8338000 x27: 0000000000000000
[   34.066992] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[   34.067474] x23: 00000000004028c0 x22: 0000000000000002 x21: 0000000200001e00
[   34.068396] x20: fff00000c701db80 x19: 00000000ffffffff x18: 0000000000000000
[   34.068926] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   34.069438] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   34.069987] x11: 0000000000000001 x10: 1057d5b02bdabb00 x9 : 1057d5b02bdabb00
[   34.070429] x8 : 0000000000000004 x7 : 00000000ffffffff x6 : 0000000000000000
[   34.071947] x5 : 0000000000000000 x4 : 0000000000400cc0 x3 : 0000000000000000
[   34.073119] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[   34.074703] Call trace:
[   34.075540]  __kvmalloc_node_noprof+0x448/0x4e4 (P)
[   34.076337]  alloc_fdtable+0x74/0x118
[   34.076718]  expand_files+0x104/0x2d0
[   34.077091]  ksys_dup3+0x64/0xe8
[   34.077348]  __arm64_sys_dup3+0x20/0x30
[   34.077765]  invoke_syscall+0x40/0xf8
[   34.077998]  el0_svc_common+0xa8/0xd8
[   34.078320]  do_el0_svc+0x1c/0x28
[   34.078754]  el0_svc+0x38/0x88
[   34.079027]  el0t_64_sync_handler+0x78/0x108
[   34.079421]  el0t_64_sync+0x198/0x19c
[   34.080099] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   64.824508] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x38c/0x3c0, CPU#1: unshare_test/512
[   64.830691] Modules linked in:
[   64.834031] CPU: 1 UID: 0 PID: 512 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 NONE 
[   64.835590] Hardware name: Generic DT based system
[   64.836683] Call trace: 
[   64.837498]  unwind_backtrace from show_stack+0x10/0x14
[   64.838209]  show_stack from dump_stack_lvl+0x50/0x5c
[   64.838491]  dump_stack_lvl from __warn+0xf0/0x1f8
[   64.838785]  __warn from warn_slowpath_fmt+0xa4/0x168
[   64.839565]  warn_slowpath_fmt from __kvmalloc_node_noprof+0x38c/0x3c0
[   64.840507]  __kvmalloc_node_noprof from alloc_fdtable+0x78/0x108
[   64.841441]  alloc_fdtable from expand_files+0x120/0x2e4
[   64.842395]  expand_files from ksys_dup3+0x58/0xc8
[   64.843134]  ksys_dup3 from ret_fast_syscall+0x0/0x5c
[   64.844068] Exception stack(0xfa221fa8 to 0xfa221ff0)
[   64.845057] 1fa0:                   0044fece 00000001 00000002 2000003c 00000000 00000000
[   64.845802] 1fc0: 0044fece 00000001 00451ef8 0000003f 0044cd5c b6fd6ce0 00000000 bef1a480
[   64.846901] 1fe0: 0000003f bef1a254 b6ee5fa3 b6e5f736
[   64.848175] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   58.773943] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x3c8/0x4b0, CPU#1: unshare_test/502
[   58.779737] Modules linked in:
[   58.782257] CPU: 1 UID: 0 PID: 502 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 NONE 
[   58.783235] Hardware name: Generic DT based system
[   58.784313] Call trace: 
[   58.785685]  unwind_backtrace from show_stack+0x10/0x14
[   58.787175]  show_stack from dump_stack_lvl+0x54/0x68
[   58.787911]  dump_stack_lvl from __warn+0x90/0x144
[   58.788677]  __warn from warn_slowpath_fmt+0x184/0x18c
[   58.789047]  warn_slowpath_fmt from __kvmalloc_node_noprof+0x3c8/0x4b0
[   58.789443]  __kvmalloc_node_noprof from alloc_fdtable+0x68/0x110
[   58.790631]  alloc_fdtable from expand_files+0x78/0x2d8
[   58.791513]  expand_files from ksys_dup3+0x58/0xd8
[   58.792455]  ksys_dup3 from ret_fast_syscall+0x0/0x5c
[   58.793559] Exception stack(0xfa269fa8 to 0xfa269ff0)
[   58.794958] 9fa0:                   00460000 00442d74 00000002 2000003c 00000000 2000003c
[   58.796690] 9fc0: 00460000 00442d74 00460000 0000003f 00442bc1 b6f3ece0 00000000 0045ff0c
[   58.797774] 9fe0: 0000003f bedeb17c b6e45fa3 b6dbf736
[   58.799492] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   28.079489] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x33e/0x450, CPU#0: unshare_test/502
[   28.082075] Modules linked in:
[   28.082950] CPU: 0 UID: 0 PID: 502 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   28.086510] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.087217] RIP: 0010:__kvmalloc_node_noprof+0x33e/0x450
[   28.088724] Code: 58 86 cc 01 0f 85 da fe ff ff 0f 1f 44 00 00 e9 d0 fe ff ff 45 31 f6 e9 02 ff ff ff 41 f7 c0 00 20 00 00 0f 85 1d ff ff ff 90 <0f> 0b 90 45 31 f6 eb 85 f3 0f 1e fa 65 8b 05 23 86 cc 01 89 c0 48
[   28.091141] RSP: 0018:ffff9488c06fbd78 EFLAGS: 00010246
[   28.092288] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   28.095505] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffffa1d487bb
[   28.096694] RBP: ffff9488c06fbdc0 R08: 0000000000400cc0 R09: 00000000ffffffff
[   28.096901] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000200001e00
[   28.098114] R13: 00000000400003c0 R14: 0000000000000000 R15: 00000000004028c0
[   28.099322] FS:  00007fdce49f1740(0000) GS:ffff8b6b98269000(0000) knlGS:0000000000000000
[   28.100286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.100439] CR2: 00007fdce4ba06a0 CR3: 000000010626c000 CR4: 00000000000006f0
[   28.100748] Call Trace:
[   28.102370]  <TASK>
[   28.103905]  ? alloc_fdtable+0x7b/0x120
[   28.104436]  alloc_fdtable+0x7b/0x120
[   28.105900]  expand_files+0x103/0x2f0
[   28.106810]  ? do_prlimit+0x11d/0x160
[   28.107258]  ? __se_sys_prlimit64+0x1e9/0x2a0
[   28.107949]  ksys_dup3+0x71/0xd0
[   28.109179]  __x64_sys_dup2+0x1e/0x80
[   28.109342]  x64_sys_call+0x896/0x2f70
[   28.109556]  do_syscall_64+0xd2/0x200
[   28.109801]  ? irqentry_exit+0x16/0x60
[   28.110304]  ? exc_page_fault+0x76/0xb0
[   28.110549]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   28.110918] RIP: 0033:0x7fdce4af3867
[   28.113504] Code: 73 01 c3 48 8b 0d 91 75 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 75 0e 00 f7 d8 64 89 02 b8
[   28.115561] RSP: 002b:00007ffce85c9668 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   28.115761] RAX: ffffffffffffffda RBX: 00007ffce85c9ec8 RCX: 00007fdce4af3867
[   28.115873] RDX: 00007ffce85c97e8 RSI: 0000000040000038 RDI: 0000000000000002
[   28.115982] RBP: 00007ffce85c9880 R08: 0000000000000000 R09: 0000000000000000
[   28.116093] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   28.116206] R13: 00007ffce85c9ed8 R14: 00007fdce4c34000 R15: 000055c67bed9d90
[   28.118319]  </TASK>
[   28.118897] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   44.447697] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x520/0x630, CPU#0: unshare_test/524
[   44.448593] Modules linked in:
[   44.449905] CPU: 0 UID: 0 PID: 524 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   44.450709] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   44.451340] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   44.451877] Code: 45 c0 31 c0 4d 85 c0 0f 84 2c fc ff ff e9 a4 fc ff ff 45 89 ea e9 7d fb ff ff 31 d2 41 81 e5 00 20 00 00 0f 85 4d fd ff ff 90 <0f> 0b 90 e9 44 fd ff ff 65 8b 05 d5 e6 10 02 48 0f a3 05 29 c1 cf
[   44.453918] RSP: 0018:ffffb1c08089fd80 EFLAGS: 00010246
[   44.454150] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   44.454563] RDX: 0000000000000000 RSI: ffffffff83641853 RDI: 00000000004428c0
[   44.454767] RBP: ffffb1c08089fde0 R08: 0000000000000000 R09: 0000000000000000
[   44.455326] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   44.455537] R13: 0000000000000000 R14: ffff8ef001115100 R15: 00000000ffffffff
[   44.455809] FS:  00007fce77fda740(0000) GS:ffff8ef0f64c4000(0000) knlGS:0000000000000000
[   44.456050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.457813] CR2: 00007fce7808ff00 CR3: 0000000106390000 CR4: 00000000000006f0
[   44.458988] Call Trace:
[   44.460344]  <TASK>
[   44.461092]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   44.462065]  ? alloc_fdtable+0x78/0x120
[   44.462581]  alloc_fdtable+0x78/0x120
[   44.463871]  ? preempt_count_sub+0x50/0x80
[   44.464451]  ? alloc_fdtable+0x78/0x120
[   44.464759]  expand_files+0x67/0x2e0
[   44.465046]  ? do_prlimit+0x134/0x210
[   44.465672]  ? trace_preempt_off+0x1e/0x70
[   44.466232]  ? ksys_dup3+0x61/0x100
[   44.466980]  ksys_dup3+0x6c/0x100
[   44.467483]  __x64_sys_dup2+0x32/0xc0
[   44.467916]  x64_sys_call+0x18a8/0x20c0
[   44.468164]  do_syscall_64+0xb2/0x2b0
[   44.468398]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   44.468811] RIP: 0033:0x7fce780dc867
[   44.469793] Code: 73 01 c3 48 8b 0d 91 75 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 75 0e 00 f7 d8 64 89 02 b8
[   44.471474] RSP: 002b:00007ffde12b3188 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   44.471905] RAX: ffffffffffffffda RBX: 00007ffde12b39e8 RCX: 00007fce780dc867
[   44.472266] RDX: 00007ffde12b31b0 RSI: 0000000040000038 RDI: 0000000000000002
[   44.472463] RBP: 00007ffde12b33b0 R08: 0000000000000000 R09: 0000000000000000
[   44.472650] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   44.472833] R13: 00007ffde12b39f8 R14: 00007fce7821d000 R15: 0000556b52277dd8
[   44.473226]  </TASK>
[   44.473677] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   92.006971] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x430/0x484, CPU#0: unshare_test/1744
[   92.007778] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec hantro_vpu rockchipdrm hci_uart v4l2_vp9 dw_hdmi_qp v4l2_h264 btqca analogix_dp panfrost snd_soc_simple_card v4l2_jpeg snd_soc_audio_graph_card snd_soc_rockchip_i2s btbcm snd_soc_es8316 snd_soc_spdif_tx dw_mipi_dsi snd_soc_simple_card_utils reset_gpio bluetooth drm_shmem_helper drm_dp_aux_bus v4l2_mem2mem snd_soc_core dw_hdmi videobuf2_dma_contig gpu_sched snd_compress ecdh_generic videobuf2_memops drm_display_helper videobuf2_v4l2 ecc snd_pcm_dmaengine phy_rockchip_pcie videodev rtc_rk808 snd_pcm cec rfkill snd_timer videobuf2_common pwrseq_core drm_client_lib snd rockchip_saradc drm_dma_helper coresight_cpu_debug industrialio_triggered_buffer mc soundcore drm_kms_helper kfifo_buf coresight rockchip_thermal pcie_rockchip_host fuse drm backlight ip_tables x_tables
[   92.014647] CPU: 0 UID: 0 PID: 1744 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[   92.015470] Hardware name: Radxa ROCK Pi 4B (DT)
[   92.015878] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   92.016489] pc : __kvmalloc_node_noprof+0x430/0x484
[   92.016924] lr : __kvmalloc_node_noprof+0x388/0x484
[   92.017356] sp : ffff800085953c80
[   92.017648] x29: ffff800085953cb0 x28: ffff00000b682500 x27: 0000000000000000
[   92.018280] x26: 0000000000000000 x25: 00000000004028c0 x24: ffff80008035d3f8
[   92.018911] x23: 0000000000000000 x22: 00000000ffffffff x21: 0000000000400cc0
[   92.019542] x20: 0000000200001e00 x19: 0000000000000000 x18: 0000000000000000
[   92.020173] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   92.020803] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   92.021434] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   92.022066] x8 : 0000000000000001 x7 : ffff00000b682500 x6 : 0000000000000001
[   92.022698] x5 : 0000000000000000 x4 : ffff00000b682500 x3 : 0000000000000000
[   92.023330] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 000000007fffffff
[   92.023963] Call trace:
[   92.024183]  __kvmalloc_node_noprof+0x430/0x484 (P)
[   92.024619]  alloc_fdtable+0x84/0x12c
[   92.024947]  expand_files+0x74/0x2ec
[   92.025266]  ksys_dup3+0x60/0x120
[   92.025564]  __arm64_sys_dup3+0x20/0x30
[   92.025907]  invoke_syscall+0x48/0x10c
[   92.026246]  el0_svc_common.constprop.0+0x40/0xe0
[   92.026666]  do_el0_svc+0x1c/0x28
[   92.026965]  el0_svc+0x34/0x104
[   92.027252]  el0t_64_sync_handler+0x10c/0x138
[   92.027642]  el0t_64_sync+0x198/0x19c
[   92.027970] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[  130.535924] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x448/0x4e4, CPU#3: unshare_test/1747
[  130.536731] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_cec dw_hdmi_i2s_audio hci_uart hantro_vpu btqca v4l2_h264 v4l2_vp9 btbcm snd_soc_simple_card v4l2_jpeg snd_soc_spdif_tx snd_soc_audio_graph_card snd_soc_es8316 snd_soc_rockchip_i2s bluetooth snd_soc_simple_card_utils v4l2_mem2mem rockchipdrm videobuf2_v4l2 snd_soc_core dw_mipi_dsi ecdh_generic videodev dw_hdmi_qp ecc snd_pcm_dmaengine panfrost snd_compress rfkill analogix_dp snd_pcm videobuf2_dma_contig gpu_sched reset_gpio videobuf2_memops snd_timer drm_shmem_helper drm_dp_aux_bus pwrseq_core phy_rockchip_pcie snd dw_hdmi drm_display_helper videobuf2_common cec soundcore rtc_rk808 drm_dma_helper rockchip_saradc drm_client_lib mc drm_kms_helper rockchip_thermal industrialio_triggered_buffer kfifo_buf coresight_cpu_debug pcie_rockchip_host coresight fuse drm backlight ip_tables x_tables
[  130.543595] CPU: 3 UID: 0 PID: 1747 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT 
[  130.544423] Hardware name: Radxa ROCK Pi 4B (DT)
[  130.544833] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  130.545446] pc : __kvmalloc_node_noprof+0x448/0x4e4
[  130.545890] lr : __kvmalloc_node_noprof+0x80/0x4e4
[  130.546317] sp : ffff8000857e3c90
[  130.546610] x29: ffff8000857e3cc0 x28: ffff00000b2c3780 x27: 0000000000000000
[  130.547243] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[  130.547875] x23: 00000000004028c0 x22: 0000000000000002 x21: 0000000200001e00
[  130.548505] x20: ffff000006d96100 x19: 00000000ffffffff x18: 0000000000000000
[  130.549137] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  130.549769] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  130.550400] x11: 0000000000000001 x10: 80a3aec98730b400 x9 : 80a3aec98730b400
[  130.551032] x8 : 0000000000000004 x7 : 00000000ffffffff x6 : 0000000000000000
[  130.551663] x5 : 0000000000000000 x4 : 0000000000400cc0 x3 : 0000000000000000
[  130.552294] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[  130.552927] Call trace:
[  130.553147]  __kvmalloc_node_noprof+0x448/0x4e4 (P)
[  130.553590]  alloc_fdtable+0x74/0x118
[  130.553923]  expand_files+0x104/0x2d0
[  130.554250]  ksys_dup3+0x64/0xe8
[  130.554539]  __arm64_sys_dup3+0x20/0x30
[  130.554882]  invoke_syscall+0x40/0xf8
[  130.555213]  el0_svc_common+0xa8/0xd8
[  130.555542]  do_el0_svc+0x1c/0x28
[  130.555840]  el0_svc+0x38/0x88
[  130.556119]  el0t_64_sync_handler+0x78/0x108
[  130.556500]  el0t_64_sync+0x198/0x19c
[  130.556829] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   86.852020] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x520/0x630, CPU#2: unshare_test/1717
[   86.861098] Modules linked in: x86_pkg_temp_thermal
[   86.865993] CPU: 2 UID: 0 PID: 1717 Comm: unshare_test Tainted: G S                  6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   86.877945] Tainted: [S]=CPU_OUT_OF_SPEC
[   86.883123] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   86.890597] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   86.897322] Code: 45 c0 31 c0 4d 85 c0 0f 84 2c fc ff ff e9 a4 fc ff ff 45 89 ea e9 7d fb ff ff 31 d2 41 81 e5 00 20 00 00 0f 85 4d fd ff ff 90 <0f> 0b 90 e9 44 fd ff ff 65 8b 05 d5 e6 10 02 48 0f a3 05 29 c1 cf
[   86.917371] RSP: 0018:ffffb0ccc19b3d80 EFLAGS: 00010246
[   86.922711] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   86.931133] RDX: 0000000000000000 RSI: ffffffff82e41853 RDI: 00000000004428c0
[   86.938380] RBP: ffffb0ccc19b3de0 R08: 0000000000000000 R09: 0000000000000000
[   86.946804] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   86.953994] R13: 0000000000000000 R14: ffff9734817f4e40 R15: 00000000ffffffff
[   86.962447] FS:  00007f1ee3c3a740(0000) GS:ffff973862bc4000(0000) knlGS:0000000000000000
[   86.970648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.977691] CR2: 00007f1ee3cbe150 CR3: 000000010bbdc003 CR4: 00000000003726f0
[   86.984882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   86.992154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   86.999315] Call Trace:
[   87.001767]  <TASK>
[   87.003900]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   87.008631]  ? alloc_fdtable+0x78/0x120
[   87.012496]  alloc_fdtable+0x78/0x120
[   87.016208]  ? preempt_count_sub+0x50/0x80
[   87.020314]  ? alloc_fdtable+0x78/0x120
[   87.024178]  expand_files+0x67/0x2e0
[   87.027792]  ? do_prlimit+0x134/0x210
[   87.031485]  ? trace_preempt_off+0x1e/0x70
[   87.035610]  ? ksys_dup3+0x61/0x100
[   87.039131]  ksys_dup3+0x6c/0x100
[   87.042475]  __x64_sys_dup2+0x32/0xc0
[   87.046166]  x64_sys_call+0x18a8/0x20c0
[   87.050056]  do_syscall_64+0xb2/0x2b0
[   87.053749]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   87.058829] RIP: 0033:0x7f1ee3d3c867
[   87.062432] Code: 73 01 c3 48 8b 0d 91 75 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 75 0e 00 f7 d8 64 89 02 b8
[   87.081235] RSP: 002b:00007ffdecad5fb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   87.088814] RAX: ffffffffffffffda RBX: 00007ffdecad6818 RCX: 00007f1ee3d3c867
[   87.095974] RDX: 00007ffdecad5fe0 RSI: 0000000040000038 RDI: 0000000000000002
[   87.103132] RBP: 00007ffdecad61e0 R08: 0000000000000000 R09: 0000000000000000
[   87.110283] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   87.117438] R13: 00007ffdecad6828 R14: 00007f1ee3e7d000 R15: 00005560d9b7ddd8
[   87.124604]  </TASK>
[   87.126796] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   83.584932] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x33e/0x450, CPU#2: unshare_test/1697
[   83.595311] Modules linked in: x86_pkg_temp_thermal
[   83.601583] CPU: 2 UID: 0 PID: 1697 Comm: unshare_test Tainted: G S                  6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   83.613531] Tainted: [S]=CPU_OUT_OF_SPEC
[   83.618799] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   83.626244] RIP: 0010:__kvmalloc_node_noprof+0x33e/0x450
[   83.632886] Code: 58 86 cc 01 0f 85 da fe ff ff 0f 1f 44 00 00 e9 d0 fe ff ff 45 31 f6 e9 02 ff ff ff 41 f7 c0 00 20 00 00 0f 85 1d ff ff ff 90 <0f> 0b 90 45 31 f6 eb 85 f3 0f 1e fa 65 8b 05 23 86 cc 01 89 c0 48
[   83.651702] RSP: 0018:ffffba4c41547d78 EFLAGS: 00010246
[   83.658234] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   83.665453] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffffae7487bb
[   83.673875] RBP: ffffba4c41547dc0 R08: 0000000000400cc0 R09: 00000000ffffffff
[   83.681065] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000200001e00
[   83.689511] R13: 00000000400003c0 R14: 0000000000000000 R15: 00000000004028c0
[   83.696726] FS:  00007fed8fb3f740(0000) GS:ffff99bbb7769000(0000) knlGS:0000000000000000
[   83.706116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.711937] CR2: 00007fed8fcd1943 CR3: 000000011213e003 CR4: 00000000003706f0
[   83.720461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   83.728909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   83.736099] Call Trace:
[   83.739872]  <TASK>
[   83.742042]  ? alloc_fdtable+0x7b/0x120
[   83.747197]  alloc_fdtable+0x7b/0x120
[   83.750950]  expand_files+0x103/0x2f0
[   83.755906]  ? do_prlimit+0x11d/0x160
[   83.759692]  ? __se_sys_prlimit64+0x1e9/0x2a0
[   83.765344]  ksys_dup3+0x71/0xd0
[   83.768711]  __x64_sys_dup2+0x1e/0x80
[   83.773672]  x64_sys_call+0x896/0x2f70
[   83.777560]  do_syscall_64+0xd2/0x200
[   83.782522]  ? irqentry_exit+0x16/0x60
[   83.786367]  ? exc_page_fault+0x76/0xb0
[   83.791518]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   83.796684] RIP: 0033:0x7fed8fc41867
[   83.801554] Code: 73 01 c3 48 8b 0d 91 75 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 75 0e 00 f7 d8 64 89 02 b8
[   83.820464] RSP: 002b:00007ffeea0aa3b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   83.829270] RAX: ffffffffffffffda RBX: 00007ffeea0aac18 RCX: 00007fed8fc41867
[   83.836520] RDX: 00007ffeea0aa538 RSI: 0000000040000038 RDI: 0000000000000002
[   83.844991] RBP: 00007ffeea0aa5d0 R08: 0000000000000000 R09: 0000000000000000
[   83.852188] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   83.860634] R13: 00007ffeea0aac28 R14: 00007fed8fd82000 R15: 00005583d70e0d90
[   83.867813]  </TASK>
[   83.871342] ---[ end trace 0000000000000000 ]---