[ 46.885423] ------------[ cut here ]------------
[ 46.886356] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 46.888421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241
[ 46.889882] Modules linked in:
[ 46.890563] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 46.892608] Tainted: [W]=WARN
[ 46.893242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 46.894742] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 46.895674] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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
[ 46.898922] RSP: 0018:ffff88801587fbc0 EFLAGS: 00010286
[ 46.899926] RAX: 0000000000000000 RBX: ffffed1002b0ff78 RCX: ffffffff813a4050
[ 46.901245] RDX: ffff888017010000 RSI: ffffffff813a405e RDI: 0000000000000001
[ 46.902558] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b0ff2f
[ 46.903867] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 46.905198] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801587fdf8
[ 46.906523] FS: 00007f50ad847900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 46.907994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.909045] CR2: 00007ffc077e6ef8 CR3: 00000000169da000 CR4: 0000000000350ef0
[ 46.910298] Call Trace:
[ 46.910751]
[ 46.911148] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 46.912033] ? __create_object+0x59/0x80
[ 46.912811] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 46.913761] __vmalloc_noprof+0x59/0x60
[ 46.914516] bpf_prog_alloc_no_stats+0x55/0x470
[ 46.915375] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.916296] bpf_prog_alloc+0x39/0x200
[ 46.916975] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.917892] bpf_prog_create_from_user+0xb2/0x2f0
[ 46.918780] do_seccomp+0x349/0x25e0
[ 46.919486] ? find_held_lock+0x2b/0x80
[ 46.920238] ? do_prlimit+0x310/0x610
[ 46.920925] ? __pfx_do_seccomp+0x10/0x10
[ 46.921696] ? do_raw_spin_unlock+0x53/0x220
[ 46.922520] ? _raw_spin_unlock+0x1e/0x40
[ 46.923281] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 46.924238] ? static_key_count+0x60/0x80
[ 46.924986] prctl_set_seccomp+0x4e/0x70
[ 46.925757] __do_sys_prctl+0xe6c/0x1d70
[ 46.926538] ? __pfx___do_sys_prctl+0x10/0x10
[ 46.927388] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 46.928362] ? irqentry_exit+0xf3/0x650
[ 46.929065] do_syscall_64+0xbf/0x430
[ 46.929789] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 46.930720] RIP: 0033:0x7f50add395cd
[ 46.931416] 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
[ 46.934531] RSP: 002b:00007ffc077e4700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 46.935871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50add395cd
[ 46.937135] RDX: 000055d765a5ae00 RSI: 0000000000000002 RDI: 0000000000000016
[ 46.938389] RBP: 00007ffc077e4760 R08: 0000000000000000 R09: 00007ffc077e3e00
[ 46.939632] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d78eec1ad0
[ 46.940897] R13: 00007ffc077e4b90 R14: 000055d78eec2bc0 R15: 000055d78eed3780
[ 46.942166]
[ 46.942620] irq event stamp: 1819
[ 46.943260] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80
[ 46.944766] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80
[ 46.946253] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770
[ 46.947771] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100
[ 46.949275] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 50.357702] ------------[ cut here ]------------
[ 50.358611] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 50.360650] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250
[ 50.362106] Modules linked in:
[ 50.362723] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 50.364944] Tainted: [W]=WARN
[ 50.365628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.367090] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 50.368001] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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
[ 50.371165] RSP: 0018:ffff88801c5e7bc0 EFLAGS: 00010286
[ 50.372111] RAX: 0000000000000000 RBX: ffffed10038bcf78 RCX: ffffffff813a4050
[ 50.373393] RDX: ffff88801589b780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 50.374669] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038bcf2f
[ 50.375927] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 50.377219] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c5e7df8
[ 50.378507] FS: 00007fb42d213900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 50.379944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.381007] CR2: 00007fb42d705580 CR3: 000000000e474000 CR4: 0000000000350ef0
[ 50.382278] Call Trace:
[ 50.382749]
[ 50.383152] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 50.384039] ? __create_object+0x59/0x80
[ 50.384838] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.385807] __vmalloc_noprof+0x59/0x60
[ 50.386562] bpf_prog_alloc_no_stats+0x55/0x470
[ 50.387430] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.388365] bpf_prog_alloc+0x39/0x200
[ 50.389059] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.389985] bpf_prog_create_from_user+0xb2/0x2f0
[ 50.390887] do_seccomp+0x349/0x25e0
[ 50.391605] ? __pfx_css_rstat_updated+0x10/0x10
[ 50.392519] ? __pfx_do_seccomp+0x10/0x10
[ 50.393299] ? find_held_lock+0x2b/0x80
[ 50.394010] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.394968] ? static_key_count+0x60/0x80
[ 50.395755] prctl_set_seccomp+0x4e/0x70
[ 50.396533] __do_sys_prctl+0xe6c/0x1d70
[ 50.397320] ? __pfx___do_sys_prctl+0x10/0x10
[ 50.398125] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.399091] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 50.400057] ? irqentry_exit+0xf3/0x650
[ 50.400825] do_syscall_64+0xbf/0x430
[ 50.401568] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 50.402517] RIP: 0033:0x7fb42d7055cd
[ 50.403166] 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
[ 50.406374] RSP: 002b:00007ffe5e5223f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 50.407748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb42d7055cd
[ 50.409040] RDX: 0000563b5d780e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 50.410322] RBP: 00007ffe5e522450 R08: 0000000000000000 R09: 00007ffe5e521af0
[ 50.411601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b9b031240
[ 50.412891] R13: 00007ffe5e522880 R14: 0000563b9b030bf0 R15: 0000563b9b0454d0
[ 50.414216]
[ 50.414646] irq event stamp: 1805
[ 50.415292] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80
[ 50.416807] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80
[ 50.418326] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770
[ 50.419855] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100
[ 50.421367] ---[ end trace 0000000000000000 ]---
[ 51.238484] ------------[ cut here ]------------
[ 51.239412] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 51.241512] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257
[ 51.242978] Modules linked in:
[ 51.243622] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 51.247031] Tainted: [W]=WARN
[ 51.248114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 51.249630] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 51.250551] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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
[ 51.253772] RSP: 0018:ffff88801a557bc0 EFLAGS: 00010286
[ 51.254767] RAX: 0000000000000000 RBX: ffffed10034aaf78 RCX: ffffffff813a4050
[ 51.256052] RDX: ffff888016323780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 51.257338] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034aaf2f
[ 51.258615] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 51.259918] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a557df8
[ 51.261247] FS: 00007f458e52f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 51.262713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.263768] CR2: 00007fffdfa3aef8 CR3: 000000000d719000 CR4: 0000000000350ef0
[ 51.265066] Call Trace:
[ 51.265570]
[ 51.265995] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 51.266898] ? __create_object+0x59/0x80
[ 51.267694] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 51.268697] __vmalloc_noprof+0x59/0x60
[ 51.269465] bpf_prog_alloc_no_stats+0x55/0x470
[ 51.270333] ? __pfx_seccomp_check_filter+0x10/0x10
[ 51.271280] bpf_prog_alloc+0x39/0x200
[ 51.271981] ? __pfx_seccomp_check_filter+0x10/0x10
[ 51.272920] bpf_prog_create_from_user+0xb2/0x2f0
[ 51.273811] do_seccomp+0x349/0x25e0
[ 51.274537] ? find_held_lock+0x2b/0x80
[ 51.275312] ? do_prlimit+0x310/0x610
[ 51.276013] ? __pfx_do_seccomp+0x10/0x10
[ 51.276803] ? do_raw_spin_unlock+0x53/0x220
[ 51.277660] ? _raw_spin_unlock+0x1e/0x40
[ 51.278441] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 51.279420] ? static_key_count+0x60/0x80
[ 51.280225] prctl_set_seccomp+0x4e/0x70
[ 51.280984] __do_sys_prctl+0xe6c/0x1d70
[ 51.281776] ? __pfx___do_sys_prctl+0x10/0x10
[ 51.282632] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 51.283608] ? irqentry_exit+0xf3/0x650
[ 51.284395] do_syscall_64+0xbf/0x430
[ 51.285096] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 51.286040] RIP: 0033:0x7f458ea215cd
[ 51.286769] 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
[ 51.289958] RSP: 002b:00007fffdfa39630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 51.291312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f458ea215cd
[ 51.292615] RDX: 00005636f2759e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 51.293897] RBP: 00007fffdfa39690 R08: 0000000000000000 R09: 00007fffdfa38d30
[ 51.295203] R10: 0000000000000000 R11: 0000000000000246 R12: 000056371f497b10
[ 51.296494] R13: 00007fffdfa39ac0 R14: 000056371f4982b0 R15: 000056371f4ac6f0
[ 51.297798]
[ 51.298254] irq event stamp: 2197
[ 51.298854] hardirqs last enabled at (2205): [] __up_console_sem+0x78/0x80
[ 51.300382] hardirqs last disabled at (2214): [] __up_console_sem+0x5d/0x80
[ 51.301908] softirqs last enabled at (2096): [] handle_softirqs+0x50c/0x770
[ 51.303445] softirqs last disabled at (2091): [] __irq_exit_rcu+0xc4/0x100
[ 51.304971] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:26271' (ECDSA) to the list of known hosts.
2025/11/17 18:04:47 fuzzer started
2025/11/17 18:04:47 dialing manager at localhost:37895
2025/11/17 18:04:47 checking machine...
2025/11/17 18:04:47 checking revisions...
[ 52.219831] kmemleak: Automatic memory scanning thread ended
2025/11/17 18:04:47 testing simple program...
[ 52.302329] cgroup: Unknown subsys name 'net'
[ 52.362967] cgroup: Unknown subsys name 'cpuset'
[ 52.376470] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
18:04:46 Registers:
info registers vcpu 0
RAX=000000000004529d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00
R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001
R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe5800000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f3ceab9c000 CR3=000000000e475000 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=34303a383120373120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369
XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3934325b646873732036343a3430
XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323034
XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000
XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff86ab82be RDX=1ffff1100d9e114e
RSI=ffff88806cf08db8 RDI=ffff88806cf08a70 RBP=ffff88806cf08db8 RSP=ffff88806cf089d8
R8 =ffffffff86ab82c2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb
R12=0000000000000008 R13=ffff88806cf08ab8 R14=ffff88806cf08dc0 R15=ffff88806cf08a70
RIP=ffffffff8135e22e RFL=00000216 [----AP-] 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 00007f42759c1700 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe6000000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fb42d7cb0b0 CR3=000000000e475000 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=2036343a34303a383120373120766f4e XMM01=73732878696e755f6d6170203a5d3934
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3934325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036343a34303a3831203731
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000