[ 39.258280] ------------[ cut here ]------------ [ 39.259206] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.261465] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.263041] Modules linked in: [ 39.263702] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.265690] Tainted: [W]=WARN [ 39.266239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.267687] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.268545] 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 [ 39.271701] RSP: 0018:ffff88801aa77bc0 EFLAGS: 00010286 [ 39.272662] RAX: 0000000000000000 RBX: ffffed100354ef78 RCX: ffffffff813a4050 [ 39.273926] RDX: ffff888019e1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.275194] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100354ef2f [ 39.276472] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.277744] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aa77df8 [ 39.279012] FS: 00007fbc72eca900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.280434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.281496] CR2: 00007fff02ab8ef8 CR3: 000000000d7eb000 CR4: 0000000000350ef0 [ 39.282814] Call Trace: [ 39.283277] [ 39.283734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.284622] ? __create_object+0x59/0x80 [ 39.285350] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.286327] __vmalloc_noprof+0x59/0x60 [ 39.287081] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.287945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.288859] bpf_prog_alloc+0x39/0x200 [ 39.289554] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.290479] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.291393] do_seccomp+0x349/0x25e0 [ 39.292106] ? find_held_lock+0x2b/0x80 [ 39.292864] ? do_prlimit+0x310/0x610 [ 39.293575] ? __pfx_do_seccomp+0x10/0x10 [ 39.294365] ? do_raw_spin_unlock+0x53/0x220 [ 39.295187] ? _raw_spin_unlock+0x1e/0x40 [ 39.295963] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.296932] ? static_key_count+0x60/0x80 [ 39.297738] prctl_set_seccomp+0x4e/0x70 [ 39.298464] __do_sys_prctl+0xe6c/0x1d70 [ 39.299243] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.300091] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.301087] ? irqentry_exit+0xf3/0x650 [ 39.302084] do_syscall_64+0xbf/0x430 [ 39.303044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.304244] RIP: 0033:0x7fbc733bc5cd [ 39.305150] 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 [ 39.308531] RSP: 002b:00007fff02ab7170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.309802] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc733bc5cd [ 39.310976] RDX: 000055e699101e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.312135] RBP: 00007fff02ab71d0 R08: 0000000000000000 R09: 00007fff02ab6870 [ 39.313291] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6cfc63ad0 [ 39.314471] R13: 00007fff02ab7600 R14: 000055e6cfc64bc0 R15: 000055e6cfc75780 [ 39.315659] [ 39.316044] irq event stamp: 1817 [ 39.316646] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 39.318046] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 39.319402] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 39.320814] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 39.322198] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.957213] ------------[ cut here ]------------ [ 42.958147] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.960200] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.961893] Modules linked in: [ 42.962477] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.964543] Tainted: [W]=WARN [ 42.965148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.966654] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.967528] 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 [ 42.970774] RSP: 0018:ffff88801688fbc0 EFLAGS: 00010286 [ 42.971746] RAX: 0000000000000000 RBX: ffffed1002d11f78 RCX: ffffffff813a4050 [ 42.973034] RDX: ffff888015868000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.974343] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d11f2f [ 42.975626] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.976922] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801688fdf8 [ 42.978247] FS: 00007f2564490900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.979693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.980756] CR2: 00007ffc21f7bef8 CR3: 000000001727c000 CR4: 0000000000350ef0 [ 42.982045] Call Trace: [ 42.982527] [ 42.983002] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.983917] ? __create_object+0x59/0x80 [ 42.984714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.985693] __vmalloc_noprof+0x59/0x60 [ 42.986408] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.987296] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.988241] bpf_prog_alloc+0x39/0x200 [ 42.988991] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.989925] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.990852] do_seccomp+0x349/0x25e0 [ 42.991532] ? find_held_lock+0x2b/0x80 [ 42.992305] ? do_prlimit+0x310/0x610 [ 42.993053] ? __pfx_do_seccomp+0x10/0x10 [ 42.993855] ? do_raw_spin_unlock+0x53/0x220 [ 42.994697] ? _raw_spin_unlock+0x1e/0x40 [ 42.995441] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.996415] ? static_key_count+0x60/0x80 [ 42.997221] prctl_set_seccomp+0x4e/0x70 [ 42.998032] __do_sys_prctl+0xe6c/0x1d70 [ 42.998810] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.999687] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.000669] ? irqentry_exit+0xf3/0x650 [ 43.001379] do_syscall_64+0xbf/0x430 [ 43.002144] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.003080] RIP: 0033:0x7f25649825cd [ 43.003786] 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 [ 43.006938] RSP: 002b:00007ffc21f7a2c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.008305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25649825cd [ 43.009627] RDX: 00005653d8e30e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.010928] RBP: 00007ffc21f7a320 R08: 0000000000000000 R09: 00007ffc21f799c0 [ 43.012223] R10: 0000000000000000 R11: 0000000000000246 R12: 00005653e80d0ad0 [ 43.013530] R13: 00007ffc21f7a750 R14: 00005653e80d1bc0 R15: 00005653e80e2780 [ 43.014826] [ 43.015258] irq event stamp: 1865 [ 43.015898] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 43.017440] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 43.018967] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 43.020520] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 43.022041] ---[ end trace 0000000000000000 ]--- [ 43.850931] ------------[ cut here ]------------ [ 43.851981] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.854322] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.856006] Modules linked in: [ 43.856734] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.859293] Tainted: [W]=WARN [ 43.860410] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.862161] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.863225] 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 [ 43.866911] RSP: 0018:ffff88801599fbc0 EFLAGS: 00010286 [ 43.868043] RAX: 0000000000000000 RBX: ffffed1002b33f78 RCX: ffffffff813a4050 [ 43.869543] RDX: ffff8880172a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.871030] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b33f2f [ 43.872539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.874057] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801599fdf8 [ 43.875538] FS: 00007f95c928c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.877203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.878456] CR2: 00007fffa807cef8 CR3: 000000001bb11000 CR4: 0000000000350ef0 [ 43.879954] Call Trace: [ 43.880489] [ 43.881029] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.881997] ? __create_object+0x59/0x80 [ 43.882780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.883732] __vmalloc_noprof+0x59/0x60 [ 43.884437] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.885298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.886234] bpf_prog_alloc+0x39/0x200 [ 43.886966] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.887883] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.888771] do_seccomp+0x349/0x25e0 [ 43.889446] ? find_held_lock+0x2b/0x80 [ 43.890195] ? do_prlimit+0x310/0x610 [ 43.890924] ? __pfx_do_seccomp+0x10/0x10 [ 43.891682] ? do_raw_spin_unlock+0x53/0x220 [ 43.892463] ? _raw_spin_unlock+0x1e/0x40 [ 43.893223] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.894183] ? static_key_count+0x60/0x80 [ 43.894972] prctl_set_seccomp+0x4e/0x70 [ 43.895736] __do_sys_prctl+0xe6c/0x1d70 [ 43.896463] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.897302] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.898262] ? irqentry_exit+0xf3/0x650 [ 43.899010] do_syscall_64+0xbf/0x430 [ 43.899741] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.900670] RIP: 0033:0x7f95c977e5cd [ 43.901318] 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 [ 43.904429] RSP: 002b:00007fffa807b5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.905767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95c977e5cd [ 43.907016] RDX: 0000563f60328e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.908274] RBP: 00007fffa807b620 R08: 0000000000000000 R09: 00007fffa807acc0 [ 43.909535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f68e4bad0 [ 43.910662] R13: 00007fffa807ba50 R14: 0000563f68e4cbc0 R15: 0000563f68e5d780 [ 43.911710] [ 43.912048] irq event stamp: 1889 [ 43.912525] hardirqs last enabled at (1897): [] __up_console_sem+0x78/0x80 [ 43.913752] hardirqs last disabled at (1906): [] __up_console_sem+0x5d/0x80 [ 43.914953] softirqs last enabled at (1418): [] handle_softirqs+0x50c/0x770 [ 43.916195] softirqs last disabled at (1327): [] __irq_exit_rcu+0xc4/0x100 [ 43.917416] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53744' (ECDSA) to the list of known hosts. 2025/11/17 14:31:15 fuzzer started 2025/11/17 14:31:15 dialing manager at localhost:37895 2025/11/17 14:31:15 checking machine... 2025/11/17 14:31:15 checking revisions... [ 44.828457] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:31:16 testing simple program... [ 44.913123] cgroup: Unknown subsys name 'net' [ 44.957216] cgroup: Unknown subsys name 'cpuset' [ 44.969019] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:31:15 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007fbcdb2dcfef RCX=ffff888019d0f504 RDX=0000000000000003 RSI=ffffffff85e1ffe0 RDI=ffff88801594de10 RBP=00007fbcdb2dcfef RSP=ffff888019d0f530 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888019d0f600 R13=0000000000000000 R14=ffff88801594d340 R15=0000000000092c40 RIP=ffffffff815d2996 RFL=00000292 [--S-A--] 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 00007fbcda499700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc21f74000 CR3=000000000e43c000 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=2034313a31333a343120373120766f4e XMM01=657463656e6e6f63736944203a5d3334 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3334325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034313a31333a3431203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026481 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=00000206 [-----P-] 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 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3af6dbb000 CR3=000000000d65d000 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=970725d83649f1ab564ec907e3b70792 XMM02=2c67c8bc2e329bc300000000002ff738 XMM03=fb795ef6d6577056000000000030d3c0 XMM04=cc9a860722d8cfb300000000000ae988 XMM05=0394861f14684e59000000000031e828 XMM06=3e829fc8c8edc990000000000031e6b0 XMM07=e042d86d42eb936e000000000030d698 XMM08=2a9d6400c46ba67400000000002ff798 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000