[ 46.061670] ------------[ cut here ]------------
[ 46.062603] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 46.064618] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234
[ 46.066041] Modules linked in:
[ 46.066674] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 46.068636] Tainted: [W]=WARN
[ 46.069193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 46.070643] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 46.071560] 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
[ 46.074692] RSP: 0018:ffff88801471fbc0 EFLAGS: 00010286
[ 46.075682] RAX: 0000000000000000 RBX: ffffed10028e3f78 RCX: ffffffff813a4050
[ 46.076945] RDX: ffff888015a01bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 46.078204] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028e3f2f
[ 46.079473] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 46.080727] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801471fdf8
[ 46.081990] FS: 00007f0ca116d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 46.083432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.084497] CR2: 00007ffdc17acef7 CR3: 000000000dfd5000 CR4: 0000000000350ef0
[ 46.085759] Call Trace:
[ 46.086216]
[ 46.086656] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 46.087554] ? __create_object+0x59/0x80
[ 46.088279] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 46.089229] __vmalloc_noprof+0x59/0x60
[ 46.089977] bpf_prog_alloc_no_stats+0x55/0x470
[ 46.090852] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.091800] bpf_prog_alloc+0x39/0x200
[ 46.092543] ? __pfx_seccomp_check_filter+0x10/0x10
[ 46.093483] bpf_prog_create_from_user+0xb2/0x2f0
[ 46.094334] do_seccomp+0x349/0x25e0
[ 46.095057] ? find_held_lock+0x2b/0x80
[ 46.095824] ? do_prlimit+0x310/0x610
[ 46.096569] ? __pfx_do_seccomp+0x10/0x10
[ 46.097312] ? do_raw_spin_unlock+0x53/0x220
[ 46.098142] ? _raw_spin_unlock+0x1e/0x40
[ 46.098915] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 46.099893] ? static_key_count+0x60/0x80
[ 46.100730] prctl_set_seccomp+0x4e/0x70
[ 46.101528] __do_sys_prctl+0xe6c/0x1d70
[ 46.102291] ? __pfx___do_sys_prctl+0x10/0x10
[ 46.103153] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 46.104157] ? irqentry_exit+0xf3/0x650
[ 46.104931] do_syscall_64+0xbf/0x430
[ 46.105687] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 46.106664] RIP: 0033:0x7f0ca165f5cd
[ 46.107346] 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
[ 46.110547] RSP: 002b:00007ffdc17aaae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 46.111942] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ca165f5cd
[ 46.113246] RDX: 000055728537be00 RSI: 0000000000000002 RDI: 0000000000000016
[ 46.114545] RBP: 00007ffdc17aab40 R08: 0000000000000000 R09: 00007ffdc17aa1e0
[ 46.115864] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572a643c240
[ 46.117138] R13: 00007ffdc17aaf70 R14: 00005572a643bbf0 R15: 00005572a64504d0
[ 46.118451]
[ 46.118883] irq event stamp: 1743
[ 46.119542] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80
[ 46.120923] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80
[ 46.122200] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770
[ 46.123489] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100
[ 46.124753] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 49.653042] ------------[ cut here ]------------
[ 49.654008] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 49.656102] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242
[ 49.657553] Modules linked in:
[ 49.658150] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 49.660125] Tainted: [W]=WARN
[ 49.660726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.662199] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 49.663109] 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
[ 49.666278] RSP: 0018:ffff88801865fbc0 EFLAGS: 00010286
[ 49.667250] RAX: 0000000000000000 RBX: ffffed10030cbf78 RCX: ffffffff813a4050
[ 49.668546] RDX: ffff888015abb780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 49.669827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030cbf2f
[ 49.671119] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 49.672435] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801865fdf8
[ 49.673727] FS: 00007f120102f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 49.675170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.676254] CR2: 00007ffd4ad4fef7 CR3: 000000000d23b000 CR4: 0000000000350ef0
[ 49.677531] Call Trace:
[ 49.678000]
[ 49.678411] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 49.679322] ? __create_object+0x59/0x80
[ 49.680121] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 49.681088] __vmalloc_noprof+0x59/0x60
[ 49.681847] bpf_prog_alloc_no_stats+0x55/0x470
[ 49.682736] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.683690] bpf_prog_alloc+0x39/0x200
[ 49.684393] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.685326] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.686229] do_seccomp+0x349/0x25e0
[ 49.686960] ? find_held_lock+0x2b/0x80
[ 49.687732] ? do_prlimit+0x310/0x610
[ 49.688493] ? __pfx_do_seccomp+0x10/0x10
[ 49.689233] ? do_raw_spin_unlock+0x53/0x220
[ 49.690071] ? _raw_spin_unlock+0x1e/0x40
[ 49.690844] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.691817] ? static_key_count+0x60/0x80
[ 49.692625] prctl_set_seccomp+0x4e/0x70
[ 49.693358] __do_sys_prctl+0xe6c/0x1d70
[ 49.694141] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.695004] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.695998] ? irqentry_exit+0xf3/0x650
[ 49.696772] do_syscall_64+0xbf/0x430
[ 49.697517] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.698482] RIP: 0033:0x7f12015215cd
[ 49.699150] 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
[ 49.702332] RSP: 002b:00007ffd4ad4e350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.703709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12015215cd
[ 49.704988] RDX: 0000565004a44e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.706268] RBP: 00007ffd4ad4e3b0 R08: 0000000000000000 R09: 00007ffd4ad4da50
[ 49.707580] R10: 0000000000000000 R11: 0000000000000246 R12: 00005650120c2b10
[ 49.708863] R13: 00007ffd4ad4e7e0 R14: 00005650120c32b0 R15: 00005650120d76f0
[ 49.710161]
[ 49.710619] irq event stamp: 1773
[ 49.711227] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80
[ 49.712768] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80
[ 49.714304] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770
[ 49.715868] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100
[ 49.717389] ---[ end trace 0000000000000000 ]---
[ 50.519285] ------------[ cut here ]------------
[ 50.520234] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 50.522302] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249
[ 50.523989] Modules linked in:
[ 50.524689] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 50.526673] Tainted: [W]=WARN
[ 50.527224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.528684] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 50.529588] 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
[ 50.532714] RSP: 0018:ffff88800e2dfbc0 EFLAGS: 00010286
[ 50.533687] RAX: 0000000000000000 RBX: ffffed1001c5bf78 RCX: ffffffff813a4050
[ 50.534949] RDX: ffff8880158d5340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 50.536229] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c5bf2f
[ 50.537497] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 50.538759] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e2dfdf8
[ 50.540031] FS: 00007f7065f7c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 50.541456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.542510] CR2: 00007ffee207fef7 CR3: 000000001adf1000 CR4: 0000000000350ef0
[ 50.543790] Call Trace:
[ 50.544251]
[ 50.544701] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 50.545619] ? __create_object+0x59/0x80
[ 50.546351] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 50.547331] __vmalloc_noprof+0x59/0x60
[ 50.548073] bpf_prog_alloc_no_stats+0x55/0x470
[ 50.548929] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.549850] bpf_prog_alloc+0x39/0x200
[ 50.550588] ? __pfx_seccomp_check_filter+0x10/0x10
[ 50.551511] bpf_prog_create_from_user+0xb2/0x2f0
[ 50.552355] do_seccomp+0x349/0x25e0
[ 50.553061] ? find_held_lock+0x2b/0x80
[ 50.553829] ? do_prlimit+0x310/0x610
[ 50.554575] ? __pfx_do_seccomp+0x10/0x10
[ 50.555302] ? do_raw_spin_unlock+0x53/0x220
[ 50.556170] ? _raw_spin_unlock+0x1e/0x40
[ 50.556942] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 50.557905] ? static_key_count+0x60/0x80
[ 50.558708] prctl_set_seccomp+0x4e/0x70
[ 50.559494] __do_sys_prctl+0xe6c/0x1d70
[ 50.560215] ? __pfx___do_sys_prctl+0x10/0x10
[ 50.561062] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 50.562015] ? irqentry_exit+0xf3/0x650
[ 50.562769] do_syscall_64+0xbf/0x430
[ 50.563533] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 50.564472] RIP: 0033:0x7f706646e5cd
[ 50.565135] 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
[ 50.568263] RSP: 002b:00007ffee207e4c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 50.569626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f706646e5cd
[ 50.570900] RDX: 000055b1eca12e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 50.572192] RBP: 00007ffee207e520 R08: 0000000000000000 R09: 00007ffee207dbc0
[ 50.573467] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b205889ad0
[ 50.574810] R13: 00007ffee207e950 R14: 000055b20588abc0 R15: 000055b20589b780
[ 50.576124]
[ 50.576577] irq event stamp: 1783
[ 50.577181] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80
[ 50.578685] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80
[ 50.580209] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770
[ 50.581750] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100
[ 50.583243] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:45668' (ECDSA) to the list of known hosts.
2025/11/18 00:29:44 fuzzer started
2025/11/18 00:29:44 dialing manager at localhost:37895
2025/11/18 00:29:44 checking machine...
2025/11/18 00:29:44 checking revisions...
[ 51.485128] kmemleak: Automatic memory scanning thread ended
2025/11/18 00:29:45 testing simple program...
[ 51.575208] cgroup: Unknown subsys name 'net'
[ 51.636214] cgroup: Unknown subsys name 'cpuset'
[ 51.649950] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
00:29:44 Registers:
info registers vcpu 0
RAX=0000000000000000 RBX=ffffffff85c2ca00 RCX=ffffffff817d97d6 RDX=0000000000000003
RSI=ffffffff85c2d458 RDI=ffffffff81b2e5f4 RBP=ffffffff81b2e5f4 RSP=ffff88806ce08db8
R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000
R12=0000000000000200 R13=0000000000000001 R14=ffff88800e7755c8 R15=ffff888008c4b780
RIP=ffffffff84c71c72 RFL=00000046 [---Z-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 0000000000000000 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe2300000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f12015e4650 CR3=000000000dbef000 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=2033343a39323a303020383120766f4e XMM01=657463656e6e6f63736944203a5d3134
XMM02=302e303120746f6f722072657375206d XMM03=203a5d3134325b646873732072656c6c
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a39323a3030203831
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000000 RBX=ffffffff85404080 RCX=ffffffff81b8b5ee RDX=ffff88800a7f0000
RSI=ffffffff81b8b650 RDI=ffff888015e99180 RBP=ffff888015e99180 RSP=ffff888017117e00
R8 =0000000000000001 R9 =ffffed1002867763 R10=000000000000c000 R11=0000000000000000
R12=ffff888015e991c0 R13=ffff888015e991c8 R14=000000000000c000 R15=ffff88801433ba40
RIP=ffffffff81bdb074 RFL=00000293 [--S-A-C] 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 00007f120102f900 00000000 00000000
GS =0000 ffff8880e548f000 00000000 00000000
LDT=0000 fffffe4900000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f12015e6618 CR3=0000000013f6e000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65
XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f
XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f
XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a
XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000