[ 38.896626] ------------[ cut here ]------------
[ 38.897536] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 38.899584] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235
[ 38.901025] Modules linked in:
[ 38.901605] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 38.903605] Tainted: [W]=WARN
[ 38.904215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 38.905976] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 38.906981] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 38.910173] RSP: 0018:ffff888017437bc0 EFLAGS: 00010286
[ 38.911145] RAX: 0000000000000000 RBX: ffffed1002e86f78 RCX: ffffffff813a4050
[ 38.912435] RDX: ffff888016a39bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 38.913708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e86f2f
[ 38.915000] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 38.916265] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017437df8
[ 38.917523] FS: 00007f93b72a6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 38.918979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.920043] CR2: 00007f93b7798580 CR3: 000000000dc91000 CR4: 0000000000350ef0
[ 38.921315] Call Trace:
[ 38.921819]
[ 38.922235] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 38.923118] ? __create_object+0x59/0x80
[ 38.923905] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 38.924880] __vmalloc_noprof+0x59/0x60
[ 38.925590] bpf_prog_alloc_no_stats+0x55/0x470
[ 38.926464] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.927395] bpf_prog_alloc+0x39/0x200
[ 38.928124] ? __pfx_seccomp_check_filter+0x10/0x10
[ 38.929055] bpf_prog_create_from_user+0xb2/0x2f0
[ 38.929958] do_seccomp+0x349/0x25e0
[ 38.930625] ? __pfx_css_rstat_updated+0x10/0x10
[ 38.931532] ? __pfx_do_seccomp+0x10/0x10
[ 38.932315] ? find_held_lock+0x2b/0x80
[ 38.933082] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 38.934052] ? static_key_count+0x60/0x80
[ 38.934866] prctl_set_seccomp+0x4e/0x70
[ 38.935597] __do_sys_prctl+0xe6c/0x1d70
[ 38.936390] ? __pfx___do_sys_prctl+0x10/0x10
[ 38.937243] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 38.938216] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 38.939187] ? irqentry_exit+0xf3/0x650
[ 38.939951] do_syscall_64+0xbf/0x430
[ 38.940656] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 38.941602] RIP: 0033:0x7f93b77985cd
[ 38.942307] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 38.945454] RSP: 002b:00007ffe346e36d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 38.946832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93b77985cd
[ 38.948097] RDX: 0000564905ce7e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 38.949391] RBP: 00007ffe346e3730 R08: 0000000000000000 R09: 00007ffe346e2dd0
[ 38.950673] R10: 0000000000000000 R11: 0000000000000246 R12: 000056491174aad0
[ 38.952005] R13: 00007ffe346e3b60 R14: 000056491174bbc0 R15: 000056491175c780
[ 38.953279]
[ 38.953703] irq event stamp: 1851
[ 38.954374] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80
[ 38.955899] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80
[ 38.957435] softirqs last enabled at (1464): [] handle_softirqs+0x50c/0x770
[ 38.958960] softirqs last disabled at (1459): [] __irq_exit_rcu+0xc4/0x100
[ 38.960464] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 41.295716] ------------[ cut here ]------------
[ 41.296656] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 41.298728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243
[ 41.300226] Modules linked in:
[ 41.300862] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 41.302855] Tainted: [W]=WARN
[ 41.303408] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 41.305117] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 41.306124] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 41.309332] RSP: 0018:ffff888016edfbc0 EFLAGS: 00010286
[ 41.310314] RAX: 0000000000000000 RBX: ffffed1002ddbf78 RCX: ffffffff813a4050
[ 41.311604] RDX: ffff888015891bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 41.312878] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddbf2f
[ 41.314166] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 41.315438] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016edfdf8
[ 41.316733] FS: 00007ff8f0be2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 41.318206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.319276] CR2: 00007ff8f10d4580 CR3: 000000001fc2b000 CR4: 0000000000350ef0
[ 41.320563] Call Trace:
[ 41.321085]
[ 41.321505] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 41.322419] ? __create_object+0x59/0x80
[ 41.323215] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.324187] __vmalloc_noprof+0x59/0x60
[ 41.324955] bpf_prog_alloc_no_stats+0x55/0x470
[ 41.325832] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.326729] bpf_prog_alloc+0x39/0x200
[ 41.327488] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.328412] bpf_prog_create_from_user+0xb2/0x2f0
[ 41.329309] do_seccomp+0x349/0x25e0
[ 41.330056] ? __pfx_css_rstat_updated+0x10/0x10
[ 41.330960] ? __pfx_do_seccomp+0x10/0x10
[ 41.331713] ? find_held_lock+0x2b/0x80
[ 41.332491] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 41.333459] ? static_key_count+0x60/0x80
[ 41.334273] prctl_set_seccomp+0x4e/0x70
[ 41.335052] __do_sys_prctl+0xe6c/0x1d70
[ 41.335839] ? __pfx___do_sys_prctl+0x10/0x10
[ 41.336646] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.337595] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 41.338565] ? irqentry_exit+0xf3/0x650
[ 41.339335] do_syscall_64+0xbf/0x430
[ 41.340079] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 41.341042] RIP: 0033:0x7ff8f10d45cd
[ 41.341710] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 41.344923] RSP: 002b:00007ffe63c43d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 41.346292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8f10d45cd
[ 41.347570] RDX: 000055f45f1c4e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 41.348845] RBP: 00007ffe63c43d70 R08: 0000000000000000 R09: 00007ffe63c43410
[ 41.350129] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f49855db10
[ 41.351425] R13: 00007ffe63c441a0 R14: 000055f49855e2b0 R15: 000055f4985726f0
[ 41.352715]
[ 41.353192] irq event stamp: 1799
[ 41.353847] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80
[ 41.355227] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80
[ 41.356476] softirqs last enabled at (1350): [] handle_softirqs+0x50c/0x770
[ 41.357760] softirqs last disabled at (1329): [] __irq_exit_rcu+0xc4/0x100
[ 41.359024] ---[ end trace 0000000000000000 ]---
[ 41.984223] ------------[ cut here ]------------
[ 41.985184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 41.987189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251
[ 41.988651] Modules linked in:
[ 41.989287] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 41.991273] Tainted: [W]=WARN
[ 41.991911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 41.993474] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 41.994384] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00
[ 41.997880] RSP: 0018:ffff888015effbc0 EFLAGS: 00010286
[ 41.998945] RAX: 0000000000000000 RBX: ffffed1002bdff78 RCX: ffffffff813a4050
[ 42.000217] RDX: ffff888018745340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.001490] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bdff2f
[ 42.002776] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.004059] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015effdf8
[ 42.005348] FS: 00007f877cb40900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 42.006795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.007848] CR2: 00007f877d0a64a6 CR3: 000000000e57c000 CR4: 0000000000350ef0
[ 42.009127] Call Trace:
[ 42.009583]
[ 42.010048] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.010944] ? __create_object+0x59/0x80
[ 42.011700] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.012657] __vmalloc_noprof+0x59/0x60
[ 42.013401] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.014292] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.015232] bpf_prog_alloc+0x39/0x200
[ 42.015962] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.016893] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.017796] do_seccomp+0x349/0x25e0
[ 42.018475] ? find_held_lock+0x2b/0x80
[ 42.019247] ? do_prlimit+0x310/0x610
[ 42.019975] ? __pfx_do_seccomp+0x10/0x10
[ 42.020735] ? do_raw_spin_unlock+0x53/0x220
[ 42.021573] ? _raw_spin_unlock+0x1e/0x40
[ 42.022381] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.023355] ? static_key_count+0x60/0x80
[ 42.024158] prctl_set_seccomp+0x4e/0x70
[ 42.024926] __do_sys_prctl+0xe6c/0x1d70
[ 42.025661] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.026525] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.027489] ? irqentry_exit+0xf3/0x650
[ 42.028255] do_syscall_64+0xbf/0x430
[ 42.028988] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.029943] RIP: 0033:0x7f877d0325cd
[ 42.030605] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00
[ 42.033712] RSP: 002b:00007ffccd7f80b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.035095] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f877d0325cd
[ 42.036373] RDX: 000055abd325be00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.037644] RBP: 00007ffccd7f8110 R08: 0000000000000000 R09: 00007ffccd7f77b0
[ 42.038951] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abe3403b10
[ 42.040233] R13: 00007ffccd7f8540 R14: 000055abe34042b0 R15: 000055abe34186f0
[ 42.041510]
[ 42.041990] irq event stamp: 1741
[ 42.042596] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80
[ 42.044099] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80
[ 42.045619] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770
[ 42.047154] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100
[ 42.048656] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:54478' (ECDSA) to the list of known hosts.
2025/11/18 08:54:01 fuzzer started
2025/11/18 08:54:02 dialing manager at localhost:34383
2025/11/18 08:54:02 checking machine...
2025/11/18 08:54:02 checking revisions...
[ 43.045350] kmemleak: Automatic memory scanning thread ended
2025/11/18 08:54:02 testing simple program...
[ 43.133003] cgroup: Unknown subsys name 'net'
[ 43.188007] cgroup: Unknown subsys name 'cpuset'
[ 43.200730] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
08:54:01 Registers:
info registers vcpu 0
RAX=000000000000000f RBX=000000000000000f RCX=ffffffff84bfce61 RDX=ffff888015d9d340
RSI=00007ff8f0c16fff RDI=0000000000000006 RBP=ffff88801790da00 RSP=ffff888013bc7a08
R8 =0000000000000001 R9 =ffffed1003f91060 R10=00007ff8f0c0efff R11=0000000000000003
R12=00007ff8f0c0efff R13=ffff88801790cc00 R14=dffffc0000000000 R15=ffff888013bc7e40
RIP=ffffffff81751e00 RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 00007ff8f0be2900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe4300000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ff8f0ba7008 CR3=000000001f774000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469
XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000022f2f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58
R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001
R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe3b00000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffccfcc23f8 CR3=0000000009a3e000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=2031303a34353a383020383120766f4e XMM01=73732878696e755f6d6170203a5d3234
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030303a34353a3830203831
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000