[ 39.574119] ------------[ cut here ]------------
[ 39.574906] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 39.576572] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232
[ 39.577792] Modules linked in:
[ 39.578327] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 39.580002] Tainted: [W]=WARN
[ 39.580515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 39.581758] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 39.582613] 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
[ 39.585275] RSP: 0018:ffff888017637bc0 EFLAGS: 00010286
[ 39.586041] RAX: 0000000000000000 RBX: ffffed1002ec6f78 RCX: ffffffff813a4050
[ 39.587127] RDX: ffff88800db93780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 39.588188] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec6f2f
[ 39.589266] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 39.590352] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017637df8
[ 39.591420] FS: 00007f50e2543900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 39.592613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.593503] CR2: 00007f50e2a35580 CR3: 0000000015efd000 CR4: 0000000000350ef0
[ 39.594588] Call Trace:
[ 39.594975]
[ 39.595345] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 39.596047] ? __create_object+0x59/0x80
[ 39.596702] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 39.597539] __vmalloc_noprof+0x59/0x60
[ 39.598145] bpf_prog_alloc_no_stats+0x55/0x470
[ 39.598854] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.599640] bpf_prog_alloc+0x39/0x200
[ 39.600257] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.600994] bpf_prog_create_from_user+0xb2/0x2f0
[ 39.601772] do_seccomp+0x349/0x25e0
[ 39.602380] ? __pfx_css_rstat_updated+0x10/0x10
[ 39.603096] ? __pfx_do_seccomp+0x10/0x10
[ 39.603757] ? find_held_lock+0x2b/0x80
[ 39.604397] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 39.605200] ? static_key_count+0x60/0x80
[ 39.605849] prctl_set_seccomp+0x4e/0x70
[ 39.606513] __do_sys_prctl+0xe6c/0x1d70
[ 39.607145] ? __pfx___do_sys_prctl+0x10/0x10
[ 39.607866] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 39.608680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 39.609490] ? irqentry_exit+0xf3/0x650
[ 39.610092] do_syscall_64+0xbf/0x430
[ 39.610729] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 39.611544] RIP: 0033:0x7f50e2a355cd
[ 39.612111] 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
[ 39.614796] RSP: 002b:00007ffdb3e68b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 39.615955] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50e2a355cd
[ 39.617044] RDX: 000056061cfbce00 RSI: 0000000000000002 RDI: 0000000000000016
[ 39.618144] RBP: 00007ffdb3e68bb0 R08: 0000000000000000 R09: 00007ffdb3e68250
[ 39.619246] R10: 0000000000000000 R11: 0000000000000246 R12: 000056063552d240
[ 39.620338] R13: 00007ffdb3e68fe0 R14: 000056063552cbf0 R15: 00005606355414d0
[ 39.621453]
[ 39.621813] irq event stamp: 1715
[ 39.622375] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80
[ 39.623668] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80
[ 39.624952] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770
[ 39.626285] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100
[ 39.627553] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 42.205663] ------------[ cut here ]------------
[ 42.206500] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 42.208311] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240
[ 42.209614] Modules linked in:
[ 42.210132] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 42.212121] Tainted: [W]=WARN
[ 42.212714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.214297] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 42.215061] 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
[ 42.217913] RSP: 0018:ffff8880166bfbc0 EFLAGS: 00010286
[ 42.219056] RAX: 0000000000000000 RBX: ffffed1002cd7f78 RCX: ffffffff813a4050
[ 42.220195] RDX: ffff8880139d3780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.221330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd7f2f
[ 42.222468] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.223598] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166bfdf8
[ 42.224738] FS: 00007f7eb9a76900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 42.226003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.226949] CR2: 00007f7eb9f68580 CR3: 000000001ff0e000 CR4: 0000000000350ef0
[ 42.228081] Call Trace:
[ 42.228531]
[ 42.228900] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.229693] ? __create_object+0x59/0x80
[ 42.230390] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.231247] __vmalloc_noprof+0x59/0x60
[ 42.231879] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.232656] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.233480] bpf_prog_alloc+0x39/0x200
[ 42.234088] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.234925] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.235718] do_seccomp+0x349/0x25e0
[ 42.236349] ? __pfx_css_rstat_updated+0x10/0x10
[ 42.237106] ? __pfx_do_seccomp+0x10/0x10
[ 42.237797] ? find_held_lock+0x2b/0x80
[ 42.238479] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.239325] ? static_key_count+0x60/0x80
[ 42.239992] prctl_set_seccomp+0x4e/0x70
[ 42.240671] __do_sys_prctl+0xe6c/0x1d70
[ 42.241374] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.242089] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.242955] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.243801] ? irqentry_exit+0xf3/0x650
[ 42.244479] do_syscall_64+0xbf/0x430
[ 42.245091] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.245928] RIP: 0033:0x7f7eb9f685cd
[ 42.246558] 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
[ 42.249372] RSP: 002b:00007ffd73c4e590 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.250586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7eb9f685cd
[ 42.251719] RDX: 0000564635275e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.252850] RBP: 00007ffd73c4e5f0 R08: 0000000000000000 R09: 00007ffd73c4dc90
[ 42.253981] R10: 0000000000000000 R11: 0000000000000246 R12: 000056463c075ad0
[ 42.255129] R13: 00007ffd73c4ea20 R14: 000056463c076bc0 R15: 000056463c087780
[ 42.256283]
[ 42.256657] irq event stamp: 1829
[ 42.257235] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80
[ 42.258599] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80
[ 42.259946] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770
[ 42.261326] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100
[ 42.262660] ---[ end trace 0000000000000000 ]---
[ 43.030358] ------------[ cut here ]------------
[ 43.031095] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 43.032738] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249
[ 43.033947] Modules linked in:
[ 43.034494] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 43.036147] Tainted: [W]=WARN
[ 43.036636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 43.037857] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 43.038633] 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
[ 43.041277] RSP: 0018:ffff88800f20fbc0 EFLAGS: 00010286
[ 43.042060] RAX: 0000000000000000 RBX: ffffed1001e41f78 RCX: ffffffff813a4050
[ 43.043137] RDX: ffff888017290000 RSI: ffffffff813a405e RDI: 0000000000000001
[ 43.044214] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e41f2f
[ 43.045289] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0
[ 43.046375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f20fdf8
[ 43.047459] FS: 00007f396ab6b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 43.048657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.049550] CR2: 00007ffedb996ef8 CR3: 000000002053e000 CR4: 0000000000350ef0
[ 43.050634] Call Trace:
[ 43.051033]
[ 43.051429] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 43.052209] ? __create_object+0x59/0x80
[ 43.052823] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 43.053644] __vmalloc_noprof+0x59/0x60
[ 43.054290] bpf_prog_alloc_no_stats+0x55/0x470
[ 43.054976] ? __pfx_seccomp_check_filter+0x10/0x10
[ 43.055756] bpf_prog_alloc+0x39/0x200
[ 43.056372] ? __pfx_seccomp_check_filter+0x10/0x10
[ 43.057110] bpf_prog_create_from_user+0xb2/0x2f0
[ 43.057864] do_seccomp+0x349/0x25e0
[ 43.058468] ? find_held_lock+0x2b/0x80
[ 43.059066] ? do_prlimit+0x310/0x610
[ 43.059679] ? __pfx_do_seccomp+0x10/0x10
[ 43.060340] ? do_raw_spin_unlock+0x53/0x220
[ 43.060991] ? _raw_spin_unlock+0x1e/0x40
[ 43.061638] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 43.062481] ? static_key_count+0x60/0x80
[ 43.063112] prctl_set_seccomp+0x4e/0x70
[ 43.063758] __do_sys_prctl+0xe6c/0x1d70
[ 43.064417] ? __pfx___do_sys_prctl+0x10/0x10
[ 43.065093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 43.065901] ? irqentry_exit+0xf3/0x650
[ 43.066612] do_syscall_64+0xbf/0x430
[ 43.067268] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 43.068030] RIP: 0033:0x7f396b05d5cd
[ 43.068620] 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
[ 43.071260] RSP: 002b:00007ffedb995e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 43.072400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f396b05d5cd
[ 43.073467] RDX: 000055fdc6736e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 43.074554] RBP: 00007ffedb995eb0 R08: 0000000000000000 R09: 00007ffedb995550
[ 43.075621] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fde1c9f2b0
[ 43.076690] R13: 00007ffedb9962e0 R14: 000055fde1ca1d20 R15: 000055fde1cb38d0
[ 43.077770]
[ 43.078127] irq event stamp: 2093
[ 43.078677] hardirqs last enabled at (2103): [] __up_console_sem+0x78/0x80
[ 43.079948] hardirqs last disabled at (2112): [] __up_console_sem+0x5d/0x80
[ 43.081225] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770
[ 43.082530] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100
[ 43.083800] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:38766' (ECDSA) to the list of known hosts.
2025/11/19 03:15:06 fuzzer started
2025/11/19 03:15:06 dialing manager at localhost:34383
2025/11/19 03:15:06 checking machine...
2025/11/19 03:15:06 checking revisions...
[ 43.924695] kmemleak: Automatic memory scanning thread ended
2025/11/19 03:15:06 testing simple program...
[ 44.005320] cgroup: Unknown subsys name 'net'
[ 44.064859] cgroup: Unknown subsys name 'cpuset'
[ 44.079877] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
VM DIAGNOSIS:
03:15:05 Registers:
info registers vcpu 0
RAX=ffff888009cfb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000
RSI=ffffffff81b4ae11 RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88800a07ef28
R8 =0000000000000000 R9 =0000000000000000 R10=ffffffff8664f857 R11=0000000000000001
R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888017aac000
RIP=ffffffff81529327 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 fffffe6d00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f7e579fa6c0 CR3=00000000204bc000 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=ff00ffffffffffff0000000000000000 XMM01=0100010001000000ffffffffffffffff
XMM02=0500050005000000455441564952505f XMM03=0000000000000000000000564952505f
XMM04=00030005000500050005000000455441 XMM05=00007f7e579fdf6000007f7e57bb7950
XMM06=00007f7e57bb744000007f7e57bb6f20 XMM07=00007f7e5750112000007f7e57500b10
XMM08=00007f7e575005f000007f7e57500060 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000001 RBX=ffff88801a367db8 RCX=0000000000000001 RDX=0000000000000000
RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801a367a58
R8 =0000000000000001 R9 =ffff88801a367b50 R10=000000000003c9ed R11=0000000000023cde
R12=ffffffff8135e7a2 R13=ffff88801a367b58 R14=ffff88801a367da0 R15=ffff88801a367b10
RIP=ffffffff81529082 RFL=00000247 [---Z-PC] 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 00007f7eb9a76900 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=00007f7eba02e0b0 CR3=000000001fee4000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff
XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000
XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000