[ 39.000430] ------------[ cut here ]------------
[ 39.001382] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 39.003424] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233
[ 39.004872] Modules linked in:
[ 39.005517] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 39.007542] Tainted: [W]=WARN
[ 39.008139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 39.009598] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 39.010534] 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
[ 39.013706] RSP: 0018:ffff888017a2fbc0 EFLAGS: 00010286
[ 39.014700] RAX: 0000000000000000 RBX: ffffed1002f45f78 RCX: ffffffff813a4050
[ 39.015984] RDX: ffff888017f59bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 39.017262] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f45f2f
[ 39.018564] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 39.019843] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a2fdf8
[ 39.021128] FS: 00007f9aff9f1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 39.022571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.023622] CR2: 00007f9affee3580 CR3: 000000000e48d000 CR4: 0000000000350ef0
[ 39.024914] Call Trace:
[ 39.025379]
[ 39.025785] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 39.026697] ? __create_object+0x59/0x80
[ 39.027486] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 39.028455] __vmalloc_noprof+0x59/0x60
[ 39.029220] bpf_prog_alloc_no_stats+0x55/0x470
[ 39.030102] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.031048] bpf_prog_alloc+0x39/0x200
[ 39.031742] ? __pfx_seccomp_check_filter+0x10/0x10
[ 39.032680] bpf_prog_create_from_user+0xb2/0x2f0
[ 39.033587] do_seccomp+0x349/0x25e0
[ 39.034317] ? __pfx_css_rstat_updated+0x10/0x10
[ 39.035223] ? __pfx_do_seccomp+0x10/0x10
[ 39.036005] ? find_held_lock+0x2b/0x80
[ 39.036724] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 39.037704] ? static_key_count+0x60/0x80
[ 39.038525] prctl_set_seccomp+0x4e/0x70
[ 39.039330] __do_sys_prctl+0xe6c/0x1d70
[ 39.040133] ? __pfx___do_sys_prctl+0x10/0x10
[ 39.041017] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 39.042010] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 39.043002] ? irqentry_exit+0xf3/0x650
[ 39.043749] do_syscall_64+0xbf/0x430
[ 39.044512] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 39.045495] RIP: 0033:0x7f9affee35cd
[ 39.046222] 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
[ 39.049429] RSP: 002b:00007ffc3309f120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 39.050804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9affee35cd
[ 39.052116] RDX: 000055d97c930e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 39.053416] RBP: 00007ffc3309f180 R08: 0000000000000000 R09: 00007ffc3309e820
[ 39.054706] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9981d0ad0
[ 39.055991] R13: 00007ffc3309f5b0 R14: 000055d9981d1bc0 R15: 000055d9981e2780
[ 39.057313]
[ 39.057748] irq event stamp: 1755
[ 39.058430] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80
[ 39.059648] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80
[ 39.060683] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770
[ 39.061740] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100
[ 39.062779] ---[ end trace 0000000000000000 ]---
Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 41.694984] ------------[ cut here ]------------
[ 41.695938] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 41.698028] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241
[ 41.699501] Modules linked in:
[ 41.701501] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 41.703647] Tainted: [W]=WARN
[ 41.704254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 41.705747] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 41.706696] 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
[ 41.709954] RSP: 0018:ffff888017137bc0 EFLAGS: 00010286
[ 41.710961] RAX: 0000000000000000 RBX: ffffed1002e26f78 RCX: ffffffff813a4050
[ 41.712269] RDX: ffff888016adb780 RSI: ffffffff813a405e RDI: 0000000000000001
[ 41.713572] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e26f2f
[ 41.714861] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 41.716189] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017137df8
[ 41.717492] FS: 00007f8a50713900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 41.718953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.720041] CR2: 00007f8a50c05580 CR3: 0000000009ee2000 CR4: 0000000000350ef0
[ 41.721348] Call Trace:
[ 41.721813]
[ 41.722301] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 41.723220] ? __create_object+0x59/0x80
[ 41.724011] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.724986] __vmalloc_noprof+0x59/0x60
[ 41.725714] bpf_prog_alloc_no_stats+0x55/0x470
[ 41.726607] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.727537] bpf_prog_alloc+0x39/0x200
[ 41.728281] ? __pfx_seccomp_check_filter+0x10/0x10
[ 41.729221] bpf_prog_create_from_user+0xb2/0x2f0
[ 41.730146] do_seccomp+0x349/0x25e0
[ 41.730839] ? __pfx_css_rstat_updated+0x10/0x10
[ 41.731748] ? __pfx_do_seccomp+0x10/0x10
[ 41.732541] ? find_held_lock+0x2b/0x80
[ 41.733318] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 41.734316] ? static_key_count+0x60/0x80
[ 41.735130] prctl_set_seccomp+0x4e/0x70
[ 41.735916] __do_sys_prctl+0xe6c/0x1d70
[ 41.736670] ? __pfx___do_sys_prctl+0x10/0x10
[ 41.737534] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 41.738520] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 41.739502] ? irqentry_exit+0xf3/0x650
[ 41.740271] do_syscall_64+0xbf/0x430
[ 41.741016] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 41.741995] RIP: 0033:0x7f8a50c055cd
[ 41.742685] 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
[ 41.745902] RSP: 002b:00007fff76d4c320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 41.747300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a50c055cd
[ 41.748594] RDX: 0000556046079e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 41.749895] RBP: 00007fff76d4c380 R08: 0000000000000000 R09: 00007fff76d4ba20
[ 41.751212] R10: 0000000000000000 R11: 0000000000000246 R12: 000055604c7f2bf0
[ 41.752494] R13: 00007fff76d4c7b0 R14: 000055604c7fc380 R15: 000055604c807460
[ 41.753790]
[ 41.754256] irq event stamp: 2133
[ 41.754873] hardirqs last enabled at (2141): [] __up_console_sem+0x78/0x80
[ 41.756433] hardirqs last disabled at (2152): [] __up_console_sem+0x5d/0x80
[ 41.757956] softirqs last enabled at (1938): [] handle_softirqs+0x50c/0x770
[ 41.759458] softirqs last disabled at (1929): [] __irq_exit_rcu+0xc4/0x100
[ 41.760811] ---[ end trace 0000000000000000 ]---
[ 42.404367] ------------[ cut here ]------------
[ 42.405304] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 42.407350] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248
[ 42.408831] Modules linked in:
[ 42.409460] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary)
[ 42.411446] Tainted: [W]=WARN
[ 42.412025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 42.413479] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 42.414402] 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
[ 42.417947] RSP: 0018:ffff8880179b7bc0 EFLAGS: 00010286
[ 42.418947] RAX: 0000000000000000 RBX: ffffed1002f36f78 RCX: ffffffff813a4050
[ 42.420205] RDX: ffff888016d65340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 42.421456] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f36f2f
[ 42.422914] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 42.424372] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179b7df8
[ 42.425791] FS: 00007fc52b4a9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 42.427234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.428287] CR2: 00007ffcc2194ef8 CR3: 000000000d63e000 CR4: 0000000000350ef0
[ 42.429556] Call Trace:
[ 42.430065]
[ 42.430471] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 42.431354] ? __create_object+0x59/0x80
[ 42.432127] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 42.433092] __vmalloc_noprof+0x59/0x60
[ 42.433795] bpf_prog_alloc_no_stats+0x55/0x470
[ 42.434667] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.435587] bpf_prog_alloc+0x39/0x200
[ 42.436312] ? __pfx_seccomp_check_filter+0x10/0x10
[ 42.437231] bpf_prog_create_from_user+0xb2/0x2f0
[ 42.438128] do_seccomp+0x349/0x25e0
[ 42.438804] ? find_held_lock+0x2b/0x80
[ 42.439560] ? do_prlimit+0x310/0x610
[ 42.440290] ? __pfx_do_seccomp+0x10/0x10
[ 42.441060] ? do_raw_spin_unlock+0x53/0x220
[ 42.441834] ? _raw_spin_unlock+0x1e/0x40
[ 42.442624] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 42.443579] ? static_key_count+0x60/0x80
[ 42.444368] prctl_set_seccomp+0x4e/0x70
[ 42.445146] __do_sys_prctl+0xe6c/0x1d70
[ 42.445927] ? __pfx___do_sys_prctl+0x10/0x10
[ 42.446743] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 42.447717] ? irqentry_exit+0xf3/0x650
[ 42.448466] do_syscall_64+0xbf/0x430
[ 42.449199] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 42.450151] RIP: 0033:0x7fc52b99b5cd
[ 42.450803] 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
[ 42.453923] RSP: 002b:00007ffcc2192ec0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 42.455272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc52b99b5cd
[ 42.456539] RDX: 0000564c0db9de00 RSI: 0000000000000002 RDI: 0000000000000016
[ 42.457810] RBP: 00007ffcc2192f20 R08: 0000000000000000 R09: 00007ffcc21925c0
[ 42.459088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c1666fad0
[ 42.460373] R13: 00007ffcc2193350 R14: 0000564c16670bc0 R15: 0000564c16681780
[ 42.461663]
[ 42.462128] irq event stamp: 1755
[ 42.462727] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80
[ 42.464237] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80
[ 42.465743] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770
[ 42.467279] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100
[ 42.468769] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:59489' (ECDSA) to the list of known hosts.
2025/11/17 19:03:28 fuzzer started
2025/11/17 19:03:28 dialing manager at localhost:37895
2025/11/17 19:03:28 checking machine...
2025/11/17 19:03:28 checking revisions...
[ 43.413664] kmemleak: Automatic memory scanning thread ended
2025/11/17 19:03:28 testing simple program...
[ 43.497931] cgroup: Unknown subsys name 'net'
[ 43.552015] cgroup: Unknown subsys name 'cpuset'
[ 43.567835] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
VM DIAGNOSIS:
19:03:27 Registers:
info registers vcpu 0
RAX=ffffffff87ce3608 RBX=ffff888016985340 RCX=0000000000000200 RDX=0000000000000008
RSI=ffff888016985d98 RDI=ffff888016985d98 RBP=ffff888016985d98 RSP=ffff888016c0f508
R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001
R12=ffff888016985d98 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000
RIP=ffffffff8152757d RFL=00000082 [--S----] 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 00007f8a50713900 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=00007fff76d46000 CR3=0000000016b7f000 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=6720646572637465733a4d41503d706f 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=0000000000023def RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58
R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001
R12=ffffffff8664f650 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 fffffe4400000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffc62a0c778 CR3=0000000005c8a000 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=00007fd445a9751000005589f8f91790
XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074
XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a
XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff
XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff
XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000